/* ========================================
   첨단재생의료 인허가 컨설팅 - Style Sheet
   Professional Consulting Website Design
======================================== */

/* CSS Variables */
:root {
    /* Primary Colors - Trust & Professional */
    --primary: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #3399FF;
    --primary-bg: rgba(0, 102, 204, 0.1);

    /* Secondary Colors */
    --secondary: #00B894;
    --secondary-dark: #009874;
    --secondary-light: #55EFC4;

    /* Accent Colors */
    --accent: #6C5CE7;
    --accent-light: #A29BFE;

    /* Neutral Colors - High Contrast */
    --dark: #000000;
    --dark-light: #111122;
    --gray-900: #0A1020;
    --gray-800: #111827;
    --gray-700: #1F2937;
    --gray-600: #2D3748;
    --gray-500: #374151;
    --gray-400: #4A5568;
    --gray-300: #CBD5E0;
    --gray-200: #E2E8F0;
    --gray-100: #F7FAFC;
    --white: #FFFFFF;

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #004DA6 0%, #008F72 100%);
    --gradient-dark: linear-gradient(180deg, #0D0D1A 0%, #0F1A2E 100%);
    --gradient-hero: linear-gradient(135deg, #080810 0%, #0D0D1A 50%, #081520 100%);

    /* Typography */
    --font-primary: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    --container-padding: 0 24px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(0, 102, 204, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--white);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

button {
    cursor: pointer;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ========================================
   Header
======================================== */
.header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-normal);
    background: linear-gradient(135deg, #003D7A 0%, #002B5C 100%);
    border-bottom: 3px solid var(--secondary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header.scrolled {
    background: linear-gradient(135deg, #003366 0%, #002244 100%);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    padding: 12px 0;
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.375rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.675rem;
}

.logo-text {
    color: var(--white);
    transition: var(--transition-normal);
}

.header.scrolled .logo-text {
    color: var(--white);
}

.logo-highlight {
    color: var(--secondary-light);
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 0.825rem;
    font-weight: 600;
    color: #FFFFFF;
    position: relative;
    padding: 8px 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.header.scrolled .nav-link {
    color: #FFFFFF;
}

.nav-link:hover {
    color: var(--secondary-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-light);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--secondary);
    color: var(--white) !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-xl);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 184, 148, 0.4);
    text-shadow: none !important;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.5);
    color: var(--white) !important;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition-fast);
}

.header.scrolled .mobile-menu-btn span {
    background: var(--white);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    flex-direction: column;
    gap: 0;
}

.mobile-menu.active {
    display: flex;
}

.mobile-nav-link {
    padding: 16px;
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* ========================================
   Hero Section
======================================== */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 60px 24px 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

/* 배경 이미지 - 줄기세포/바이오 테마 */
.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1579154204601-01588f351e67?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(0.3);
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 20, 50, 0.92) 0%,
        rgba(0, 40, 70, 0.88) 30%,
        rgba(0, 50, 80, 0.85) 60%,
        rgba(0, 60, 90, 0.9) 100%
    );
    z-index: 1;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 184, 148, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 200, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(100, 200, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 70% 70%, rgba(0, 255, 200, 0.1) 0%, transparent 30%);
    animation: patternFloat 20s ease-in-out infinite;
}

@keyframes patternFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, 20px); }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 215, 0, 0.3);
    border: 1px solid rgba(255, 215, 0, 0.7);
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 700;
    color: #FFE44D;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.badge-icon {
    color: #FFE44D;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s backwards;
}

.title-line {
    display: block;
    color: var(--white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.title-line.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 8px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.4);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-full {
    width: 100%;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.8rem;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(10px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   Trust Section
======================================== */
.trust-section {
    background: var(--gray-100);
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-200);
}

.trust-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-600);
}

.trust-icon {
    font-size: 1.5rem;
}

/* ========================================
   Section Common Styles
======================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header.light .section-title,
.section-header.light .section-desc {
    color: var(--white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.section-header.light .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.45);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.section-badge {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* Section Divider */
.section-divider {
    height: 4px;
    background: var(--gradient-primary);
    margin: 0;
}

.section-divider-light {
    height: 1px;
    background: var(--gray-200);
    margin: 0;
}

.section-divider-wave {
    position: relative;
    height: 60px;
    overflow: hidden;
}

.section-divider-wave svg {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
}

/* ========================================
   Problem Section
======================================== */
.problem-section {
    padding: var(--section-padding);
    background: var(--white);
    border-top: 4px solid var(--primary);
    position: relative;
    overflow: hidden;
}

.problem-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1532187863486-abf9dbad1b69?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
}

.problem-section > .container {
    position: relative;
    z-index: 1;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.problem-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.problem-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.problem-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
    border-color: rgba(0, 102, 204, 0.3);
}

.problem-card:hover::before {
    transform: scaleX(1);
}

.problem-card:hover::after {
    opacity: 1;
}

.problem-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.problem-card:nth-child(2) .problem-icon { animation-delay: 0.2s; }
.problem-card:nth-child(3) .problem-icon { animation-delay: 0.4s; }
.problem-card:nth-child(4) .problem-icon { animation-delay: 0.6s; }

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.problem-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ========================================
   Services Section
======================================== */
.services-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-top: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    z-index: 2;
}

.services-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1581093458791-9d42e3c7e117?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.04;
    z-index: 0;
}

.services-section > .container {
    position: relative;
    z-index: 1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    position: relative;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.08);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 102, 204, 0.2);
    border-color: var(--primary);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card.featured {
    background: linear-gradient(135deg, #004DA6 0%, #003877 50%, #007A5E 100%);
    border: none;
    box-shadow: 0 10px 40px rgba(0, 102, 204, 0.3);
}

.service-card.featured:hover {
    box-shadow: 0 25px 60px rgba(0, 102, 204, 0.4);
    transform: translateY(-12px) scale(1.03);
}

.service-card.featured .service-title,
.service-card.featured .service-desc,
.service-card.featured .service-features li {
    color: var(--white);
}

.service-card.featured .service-features li::before {
    color: #FFFFFF;
}

.service-icon-wrap {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, rgba(0, 184, 148, 0.1) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    position: relative;
    transition: all 0.4s ease;
}

.service-card:hover .service-icon-wrap {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.2);
}

.service-card.featured .service-icon-wrap {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
}

.service-icon {
    font-size: 2rem;
    transition: transform 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.3);
    color: var(--white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 700;
}

.service-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    font-size: 0.9rem;
    color: var(--gray-600);
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* ========================================
   Process Section
======================================== */
.process-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f8f9fa 0%, #e3e8f0 50%, #d5e1ed 100%);
    border-top: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.process-section > .section-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1576086213369-97a306d36557?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    z-index: 0;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    z-index: 2;
}

.process-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1507413245164-6160d8298b31?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    z-index: 0;
}

.process-section > .container {
    position: relative;
    z-index: 1;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.process-step {
    position: relative;
    padding: 36px;
    background: linear-gradient(145deg, #ffffff 0%, #f0f4f8 100%);
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.1);
    overflow: hidden;
}

.process-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s ease;
}

.process-step::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    transition: transform 0.4s ease;
}

.process-step:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
    border-color: rgba(0, 102, 204, 0.3);
}

.process-step:hover::before {
    transform: scaleY(1);
}

.process-step:hover::after {
    transform: scale(1.5);
}

.step-number {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
}

.step-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ========================================
   Expertise Section
======================================== */
.expertise-section {
    padding: var(--section-padding);
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.expertise-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.expertise-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1530026405186-ed1f139313f8?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    z-index: 0;
}

.expertise-section > .container {
    position: relative;
    z-index: 1;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.expertise-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.1) 0%, rgba(0, 102, 204, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.expertise-card::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.expertise-card:hover {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    transform: translateY(-12px) scale(1.02);
    border-color: var(--secondary);
    box-shadow: 0 20px 40px rgba(0, 184, 148, 0.3);
}

.expertise-card:hover::before {
    opacity: 1;
}

.expertise-card:hover::after {
    top: -50%;
    left: -50%;
}

.expertise-icon {
    font-size: 4rem;
    margin-bottom: 24px;
    display: inline-block;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    transition: transform 0.4s ease;
}

.expertise-card:hover .expertise-icon {
    transform: scale(1.15) rotate(10deg);
}

.expertise-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.expertise-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Requirements Section
======================================== */
.requirements-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #e8f4f8 0%, #d4e8f0 50%, #c5dce8 100%);
    border-top: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.requirements-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    z-index: 2;
}

.requirements-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1582719471384-894fbb16e074?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
}

.requirements-section > .container {
    position: relative;
    z-index: 1;
}

.requirements-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.requirement-category {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.requirement-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.4s ease;
}

.requirement-category::after {
    content: '';
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 184, 148, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transition: transform 0.4s ease;
}

.requirement-category:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
    border-color: rgba(0, 102, 204, 0.3);
}

.requirement-category:hover::before {
    transform: scaleY(1);
}

.requirement-category:hover::after {
    transform: scale(1.5);
}

.requirement-category h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.cat-icon {
    font-size: 1.5rem;
    transition: transform 0.4s ease;
}

.requirement-category:hover .cat-icon {
    transform: scale(1.2) rotate(10deg);
}

.requirement-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.requirement-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--gray-700);
    transition: transform 0.3s ease;
}

.requirement-category:hover .requirement-item {
    transform: translateX(5px);
}

.check-icon {
    color: var(--secondary);
    font-weight: 700;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.requirement-category:hover .check-icon {
    transform: scale(1.2);
}

/* ========================================
   Video Section
======================================== */
.video-section {
    padding: 80px 0;
    background: #F6F7FB;
}
.video-links {
    max-width: 720px;
    margin: 0 auto;
}
.video-link-card {
    position: relative;
    display: block;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.1);
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}
.video-link-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.18);
}
.video-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}
.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.15);
    transition: background 0.3s;
}
.video-link-card:hover .video-play-overlay {
    background: rgba(0,0,0,0.3);
}
.video-link-card:hover .video-play-overlay svg circle {
    fill: rgba(220,38,38,0.9);
}
.video-link-label {
    position: absolute;
    bottom: 16px; left: 16px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 8px;
}

/* ========================================
   Hero Solution Flow
======================================== */
.hero-solution-preview {
    margin: 32px 0;
    animation: fadeInUp 0.8s ease 0.35s backwards;
}

.solution-tagline {
    font-size: 1.15rem;
    color: #FFE44D;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.solution-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.flow-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 215, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.flow-item:hover .flow-icon {
    background: rgba(255, 215, 0, 0.25);
    transform: scale(1.1);
    border-color: rgba(255, 215, 0, 0.9);
}

.flow-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.flow-connector {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.6), rgba(255, 215, 0, 0.3));
    position: relative;
    margin-bottom: 20px;
}

.flow-connector::after {
    content: '\2192';
    position: absolute;
    right: -8px;
    top: -10px;
    color: rgba(255, 215, 0, 0.8);
    font-size: 20px;
}

.solution-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-align: center;
    font-style: italic;
}

@media (max-width: 768px) {
    .solution-flow {
        flex-wrap: wrap;
        gap: 12px;
    }
    .flow-connector {
        display: none;
    }
    .flow-icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }
}

/* ========================================
   Philosophy Section (차별화 메시지)
======================================== */
.philosophy-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f8ff 0%, #e6f2ff 100%);
    position: relative;
    overflow: hidden;
}

.philosophy-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.philosophy-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    padding: 40px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 184, 148, 0.1);
    position: relative;
    overflow: hidden;
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.philosophy-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 184, 148, 0.2);
    border-color: var(--secondary);
}

.philosophy-card:hover::before {
    transform: scaleX(1);
}

.philosophy-card.featured-philosophy {
    background: linear-gradient(135deg, #00B894 0%, #008F72 100%);
    border: none;
}

.philosophy-card.featured-philosophy h3,
.philosophy-card.featured-philosophy p {
    color: #fff;
}

.philosophy-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: inline-block;
}

.philosophy-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.philosophy-card p {
    font-size: 0.95rem;
    color: #4A5568;
    line-height: 1.7;
}

@media (max-width: 992px) {
    .philosophy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .philosophy-section { padding: 60px 0; }
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Package Section (4단계 통합 패키지)
======================================== */
.package-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #fefefe 0%, #f4f6f8 100%);
    position: relative;
}

.package-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.package-timeline {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.package-step {
    display: flex;
    gap: 32px;
}

.step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.pkg-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.3);
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.pkg-line {
    width: 3px;
    flex: 1;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
    min-height: 32px;
}

.pkg-line-last {
    background: linear-gradient(180deg, var(--secondary) 0%, transparent 100%);
}

.pkg-card {
    flex: 1;
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    margin-bottom: 16px;
}

.pkg-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.pkg-card:hover {
    transform: translateX(8px);
    box-shadow: 0 12px 40px rgba(0, 102, 204, 0.15);
    border-color: var(--primary);
}

.pkg-card:hover::before {
    transform: scaleX(1);
}

.pkg-card-highlighted {
    background: linear-gradient(135deg, #00B894 0%, #008F72 100%);
    border: none;
    box-shadow: 0 8px 30px rgba(0, 184, 148, 0.3);
}

.pkg-card-highlighted h3 {
    color: #fff;
}

.pkg-card-highlighted .pkg-list li {
    color: rgba(255, 255, 255, 0.95);
}

.pkg-card-highlighted .pkg-list li::before {
    color: #FFE44D;
}

.pkg-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.pkg-card-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
}

.pkg-icon {
    font-size: 2.2rem;
}

.pkg-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pkg-list li {
    font-size: 0.95rem;
    color: #4A5568;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
}

.pkg-list li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .package-section { padding: 60px 0; }
    .step-marker {
        display: none;
    }
    .package-step {
        gap: 0;
    }
    .pkg-card {
        margin-bottom: 16px;
    }
}

/* ========================================
   PRP vs PRF Section
======================================== */
.prp-prf-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #080810 0%, #0D1B2E 50%, #080810 100%);
    position: relative;
    overflow: hidden;
}

.prp-prf-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.prp-prf-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: stretch;
    margin-bottom: 48px;
}

.prp-prf-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.03) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.prp-prf-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.prp-card::before { background: linear-gradient(90deg, #0066CC, #3399FF); }
.prf-card::before { background: linear-gradient(90deg, #00B894, #55EFC4); }

.prp-prf-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 102, 204, 0.2);
}

.prp-prf-card:hover::before {
    transform: scaleX(1);
}

.prp-prf-badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 6px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.prf-badge {
    background: var(--secondary);
}

.prp-prf-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.prp-prf-subtitle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
    font-style: italic;
}

.prp-prf-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-md);
}

.prp-prf-feature {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.prp-prf-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.prp-prf-value {
    font-size: 0.85rem;
    color: #fff;
    font-weight: 600;
}

.prp-prf-desc {
    font-size: 0.93rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
}

.prp-prf-vs {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.vs-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1a1a2e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 900;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
}

.vs-text {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    font-weight: 600;
    line-height: 1.4;
}

.prp-prf-advantage {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.advantage-header {
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.3), rgba(0, 184, 148, 0.3));
    padding: 20px 28px;
}

.advantage-header h3 {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    text-align: center;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
}

.advantage-item {
    display: flex;
    gap: 16px;
    padding: 24px 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.3s ease;
}

.advantage-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.advantage-item:nth-child(2n) {
    border-right: none;
}

.advantage-item:nth-child(n+3) {
    border-bottom: none;
}

.advantage-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.advantage-item strong {
    display: block;
    color: #fff;
    font-size: 1rem;
    margin-bottom: 6px;
}

.advantage-item p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

@media (max-width: 992px) {
    .prp-prf-grid {
        grid-template-columns: 1fr;
    }
    .prp-prf-vs {
        flex-direction: row;
        padding: 16px 0;
    }
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    .advantage-item {
        border-right: none;
    }
    .advantage-item:nth-child(3) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
}

@media (max-width: 768px) {
    .prp-prf-section { padding: 60px 0; }
}

/* ========================================
   Product Package Section
======================================== */
.product-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #fefefe 0%, #f4f6f8 100%);
    position: relative;
    overflow: hidden;
}

.product-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 40px;
}

.product-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
    border-color: var(--primary);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card-featured {
    border: 2px solid var(--secondary);
    background: linear-gradient(145deg, #f0fff9 0%, #e6fff3 100%);
    box-shadow: 0 8px 30px rgba(0, 184, 148, 0.15);
}

.product-card-featured::before {
    background: linear-gradient(90deg, #00B894, #55EFC4);
    transform: scaleX(1);
}

.product-popular {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, #00B894, #008F72);
    color: #fff;
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.product-tier {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 6px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.product-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.product-target {
    font-size: 0.85rem;
    color: #6B7280;
    font-weight: 500;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-features li {
    font-size: 0.93rem;
    color: #4A5568;
    padding-left: 24px;
    position: relative;
    line-height: 1.5;
}

.product-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

.product-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(135deg, #f0f4ff, #e8f0fe);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.price-label {
    font-size: 0.85rem;
    color: #6B7280;
    font-weight: 500;
}

.price-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary);
}

.product-highlight {
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--primary-bg), rgba(0, 184, 148, 0.08));
    border-radius: var(--radius-md);
}

.product-highlight span {
    font-size: 0.83rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.product-message {
    text-align: center;
    padding: 28px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
}

.product-message p {
    font-size: 1.2rem;
    color: #fff;
    font-weight: 600;
    line-height: 1.6;
}

.product-message strong {
    color: #FFE44D;
    font-size: 1.3rem;
}

@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .product-section { padding: 60px 0; }
}

/* ========================================
   Growth Model Section (3단계 성장 모델)
======================================== */
.growth-model-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #080810 0%, #0D1B2E 50%, #080810 100%);
    position: relative;
    overflow: hidden;
}

.growth-model-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.growth-stages {
    max-width: 800px;
    margin: 0 auto 48px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.growth-stage {
    display: flex;
    gap: 32px;
}

.stage-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.stage-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 3px solid;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.stage-1 .stage-dot { border-color: #55EFC4; background: rgba(85, 239, 196, 0.3); }
.stage-2 .stage-dot { border-color: #FFB142; background: rgba(255, 177, 66, 0.3); }
.stage-3 .stage-dot { border-color: #FF7675; background: rgba(255, 118, 117, 0.3); }

.stage-line {
    width: 2px;
    flex: 1;
    min-height: 20px;
}

.stage-1 .stage-line { background: linear-gradient(180deg, #55EFC4, #FFB142); }
.stage-2 .stage-line { background: linear-gradient(180deg, #FFB142, #FF7675); }
.stage-line-last { background: linear-gradient(180deg, #FF7675, transparent) !important; }

.stage-content {
    flex: 1;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 20px;
    transition: all 0.4s ease;
}

.stage-content:hover {
    transform: translateX(8px);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.stage-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.stage-green { background: rgba(85, 239, 196, 0.2); color: #55EFC4; }
.stage-yellow { background: rgba(255, 177, 66, 0.2); color: #FFB142; }
.stage-red { background: rgba(255, 118, 117, 0.2); color: #FF7675; }

.stage-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.stage-period {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 16px;
}

.stage-details {
    margin-bottom: 16px;
}

.stage-focus {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    color: #FFE44D;
    padding: 4px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.stage-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stage-details li {
    font-size: 0.93rem;
    color: rgba(255, 255, 255, 0.8);
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.stage-details li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: rgba(255, 255, 255, 0.5);
}

.stage-goal {
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    border-left: 3px solid;
}

.stage-1 .stage-goal { border-left-color: #55EFC4; }
.stage-2 .stage-goal { border-left-color: #FFB142; }
.stage-3 .stage-goal { border-left-color: #FF7675; }

.stage-goal span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.growth-message {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
}

.growth-message h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #FFE44D;
    margin-bottom: 12px;
}

.growth-message p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
}

.growth-message strong {
    color: #fff;
}

@media (max-width: 768px) {
    .growth-model-section { padding: 60px 0; }
    .stage-indicator { display: none; }
    .growth-stage { gap: 0; }
}

/* ========================================
   SOP Package Section
======================================== */
.sop-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafb 0%, #eef2f7 100%);
    position: relative;
    overflow: hidden;
}

.sop-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.sop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 40px;
}

.sop-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.sop-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.sop-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
    border-color: var(--primary);
}

.sop-card:hover::before {
    transform: scaleX(1);
}

.sop-card-featured {
    border-color: var(--secondary);
    background: linear-gradient(145deg, #f0fff9 0%, #e6fff3 100%);
    box-shadow: 0 4px 20px rgba(0, 184, 148, 0.15);
}

.sop-card-featured::before {
    background: linear-gradient(90deg, #00B894, #55EFC4);
}

.sop-tier {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 4px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.sop-card-featured .sop-tier {
    background: rgba(0, 184, 148, 0.15);
    color: var(--secondary-dark);
}

.sop-card-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.sop-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.sop-target {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 20px;
}

.sop-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sop-features li {
    font-size: 0.93rem;
    color: #4A5568;
    padding-left: 24px;
    position: relative;
    line-height: 1.5;
}

.sop-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

.sop-highlight {
    background: linear-gradient(135deg, var(--primary-bg), rgba(0, 184, 148, 0.1));
    padding: 10px 16px;
    border-radius: var(--radius-md);
}

.sop-highlight span {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
}

.sop-note {
    background: #fff;
    border: 1px solid rgba(0, 102, 204, 0.15);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    text-align: center;
}

.sop-note p {
    color: #2D3748;
    font-size: 0.95rem;
    line-height: 1.7;
}

.sop-note strong {
    color: var(--primary);
}

@media (max-width: 992px) {
    .sop-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .sop-section { padding: 60px 0; }
}

/* ========================================
   Roadmap Section (병원 성장 로드맵)
======================================== */
.roadmap-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #080810 0%, #0D1B2E 50%, #080810 100%);
    position: relative;
    overflow: hidden;
}

.roadmap-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.roadmap-levels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 40px;
}

.roadmap-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.roadmap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.roadmap-card:hover {
    transform: translateY(-12px);
    border-color: var(--secondary);
    box-shadow: 0 20px 50px rgba(0, 184, 148, 0.25);
}

.roadmap-card:hover::before {
    transform: scaleX(1);
}

.roadmap-card-premium {
    border-color: rgba(255, 215, 0, 0.4);
}

.roadmap-card-premium:hover {
    border-color: rgba(255, 215, 0, 0.7);
    box-shadow: 0 20px 50px rgba(255, 215, 0, 0.2);
}

.level-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 4px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.roadmap-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.roadmap-header h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    flex: 1;
}

.level-icon {
    font-size: 2.2rem;
}

.roadmap-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-md);
}

.feature-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.feature-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.feature-value {
    font-size: 0.8rem;
    color: #fff;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
}

.feature-value.low {
    background: rgba(0, 184, 148, 0.3);
    color: #55EFC4;
}

.feature-value.medium {
    background: rgba(255, 177, 66, 0.3);
    color: #FFB142;
}

.feature-value.high {
    background: rgba(255, 71, 87, 0.3);
    color: #FF7675;
}

.roadmap-desc {
    font-size: 0.93rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 20px;
}

.roadmap-highlight {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(0, 184, 148, 0.2);
    border-left: 3px solid var(--secondary);
    border-radius: var(--radius-sm);
}

.roadmap-highlight-gold {
    background: rgba(255, 215, 0, 0.15);
    border-left-color: #FFD700;
}

.highlight-icon {
    font-size: 1.2rem;
}

.highlight-text {
    font-size: 0.9rem;
    color: #fff;
    font-weight: 700;
}

.roadmap-note {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    text-align: center;
}

.roadmap-note p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.7;
}

.roadmap-note strong {
    color: #FFE44D;
}

@media (max-width: 992px) {
    .roadmap-levels {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .roadmap-section { padding: 60px 0; }
}

/* ========================================
   Expansion Section (재생의료 확장 피라미드)
======================================== */
.expansion-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #e8f0f8 0%, #dae6f2 100%);
    position: relative;
    overflow: hidden;
}

.expansion-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.pyramid-container {
    max-width: 900px;
    margin: 0 auto 48px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pyramid-level {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 24px;
    align-items: center;
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.pyramid-level::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.4s ease;
}

.pyramid-level:hover {
    transform: translateX(12px);
    box-shadow: 0 12px 40px rgba(0, 102, 204, 0.15);
    border-color: var(--primary);
}

.pyramid-level:hover::before {
    transform: scaleY(1);
}

.pyramid-top {
    width: 70%;
    margin: 0 auto;
    border-color: rgba(108, 92, 231, 0.3);
    background: linear-gradient(145deg, #f5f0ff 0%, #ede5ff 100%);
}

.pyramid-mid {
    width: 85%;
    margin: 0 auto;
    border-color: rgba(0, 184, 148, 0.3);
    background: linear-gradient(145deg, #edfff9 0%, #e0fff3 100%);
}

.pyramid-bottom {
    width: 100%;
    border-color: rgba(0, 102, 204, 0.3);
    background: linear-gradient(145deg, #eef5ff 0%, #e0ecff 100%);
}

.pyramid-number {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.3);
    flex-shrink: 0;
}

.pyramid-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.pyramid-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.pyramid-tag {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
}

.pyramid-content p {
    font-size: 0.93rem;
    color: #4A5568;
    line-height: 1.7;
}

.expansion-summary {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: 24px;
    background: rgba(0, 102, 204, 0.06);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--primary);
}

.expansion-summary p {
    font-size: 0.95rem;
    color: #2D3748;
    line-height: 1.7;
}

.expansion-summary strong {
    color: var(--primary);
}

@media (max-width: 768px) {
    .expansion-section { padding: 60px 0; }
    .pyramid-level {
        grid-template-columns: 1fr;
        text-align: center;
        width: 100% !important;
    }
    .pyramid-number {
        margin: 0 auto 12px;
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* ========================================
   Solution PDF Viewer Section
======================================== */
.solution-pdf-section {
    padding: 80px 0;
    background: var(--gray-50, #f8f9fa);
}

.solution-pdf-wrap {
    max-width: 960px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.solution-pdf-iframe {
    width: 100%;
    height: 700px;
    border: none;
    display: block;
}

@media (max-width: 768px) {
    .solution-pdf-section {
        padding: 48px 0;
    }
    .solution-pdf-iframe {
        height: 500px;
    }
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1559757175-5700dde675bc?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
}

.cta-section > .container {
    position: relative;
    z-index: 1;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.cta-content p {
    font-size: 1.1rem;
    color: #FFFFFF;
    margin-bottom: 32px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Contact Section
======================================== */
.contact-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f0f5fa 0%, #e5eef5 50%, #dae5f0 100%);
    border-top: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    z-index: 2;
}

.contact-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1576086213369-97a306d36557?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    z-index: 0;
}

.contact-section > .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: linear-gradient(145deg, #ffffff 0%, #f3f4f6 100%);
    padding: 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.contact-card::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 184, 148, 0.08) 0%, transparent 60%);
    opacity: 0;
    transition: all 0.4s ease;
}

.contact-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
    border-color: var(--primary);
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-card:hover::after {
    opacity: 1;
    top: -50%;
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: inline-block;
    position: relative;
    z-index: 1;
    transition: transform 0.4s ease;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.contact-card:hover .contact-icon {
    transform: scale(1.2) rotate(5deg);
}

.contact-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.contact-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.contact-card:hover .contact-value {
    color: var(--primary);
}

.contact-note {
    font-size: 0.85rem;
    color: var(--gray-500);
    position: relative;
    z-index: 1;
}

/* Contact Form */
.contact-form {
    background: linear-gradient(145deg, #f8f9fa 0%, #ffffff 100%);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.contact-form::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.contact-form:hover {
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.form-group:last-of-type {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.form-group:focus-within label {
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--gray-300);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
    background: rgba(0, 102, 204, 0.02);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0, 102, 204, 0.03);
    border-radius: var(--radius-sm);
    transition: background 0.3s ease;
}

.form-group.checkbox:hover {
    background: rgba(0, 102, 204, 0.06);
}

.form-group.checkbox input {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--gray-600);
    cursor: pointer;
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--dark);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-contact p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Back to Top Button
======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* 관리자 버튼 (푸터 내 고정) */
.admin-footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    border-radius: 8px;
    text-decoration: none;
    font-size: 12px;
    transition: background 0.3s, color 0.3s;
}
.admin-footer-btn:hover {
    background: rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.9);
}

/* ========================================
   Animations
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.8s ease forwards;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1200px) {
    .services-grid,
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .requirements-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .requirements-content > :last-child {
        grid-column: span 2;
    }
}

@media (max-width: 992px) {
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .contact-card {
        flex: 1;
        min-width: 200px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-scroll {
        display: none;
    }

    .trust-badges {
        gap: 24px;
    }

    .trust-item {
        flex: 1 1 45%;
        justify-content: center;
    }

    .services-grid,
    .problem-grid,
    .process-timeline,
    .expertise-grid,
    .requirements-content {
        grid-template-columns: 1fr;
    }

    .requirements-content > :last-child {
        grid-column: span 1;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links a:hover {
        padding-left: 0;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 14px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .service-card,
    .problem-card,
    .process-step,
    .expertise-card,
    .requirement-category {
        padding: 24px;
    }

    .contact-info {
        flex-direction: column;
    }

    .contact-card {
        min-width: auto;
    }
}

/* ========================================
   Page Specific Styles
======================================== */

/* Page Hero */
.page-hero {
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 60px 24px;
}

.page-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
}

.page-hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--white);
    margin: 16px 0;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.page-hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.page-hero-content .section-badge {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.4);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Page-specific Hero Backgrounds */
.page-hero.why-us-hero .hero-bg::before {
    background-image: url('https://images.unsplash.com/photo-1576086213369-97a306d36557?q=80&w=1920&auto=format&fit=crop');
}

.page-hero.services-hero .hero-bg::before {
    background-image: url('https://images.unsplash.com/photo-1581093458791-9d42e3c7e117?q=80&w=1920&auto=format&fit=crop');
}

.page-hero.process-hero .hero-bg::before {
    background-image: url('https://images.unsplash.com/photo-1507413245164-6160d8298b31?q=80&w=1920&auto=format&fit=crop');
}

.page-hero.expertise-hero .hero-bg::before {
    background-image: url('https://images.unsplash.com/photo-1530026405186-ed1f139313f8?q=80&w=1920&auto=format&fit=crop');
}

.page-hero.requirements-hero .hero-bg::before {
    background-image: url('https://images.unsplash.com/photo-1582719471384-894fbb16e074?q=80&w=1920&auto=format&fit=crop');
}

.page-hero.contact-hero .hero-bg::before {
    background-image: url('https://images.unsplash.com/photo-1559757175-5700dde675bc?q=80&w=1920&auto=format&fit=crop');
}

.page-hero.diagnosis-hero .hero-bg::before {
    background-image: url('https://images.unsplash.com/photo-1576091160550-2173dba999ef?q=80&w=1920&auto=format&fit=crop');
}

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > .nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-arrow {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.nav-dropdown:hover .nav-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
    z-index: 1001;
    margin-top: 0;
    padding-top: 16px;
}

.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -12px;
    left: -20px;
    right: -20px;
    height: 20px;
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

.dropdown-link {
    display: block;
    padding: 10px 20px;
    font-size: 0.775rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: all 0.2s ease;
}

.dropdown-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.dropdown-link.active {
    color: var(--primary);
    font-weight: 700;
}

/* Mobile Sub Link */
.mobile-sub-link {
    padding-left: 40px;
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* Active Nav Link */
.nav-link.active {
    color: var(--secondary-light) !important;
}

.nav-link.active::after {
    width: 100%;
}

/* Solution Section */
.solution-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #0D0D1A 0%, #0F1A2E 50%, #0A2540 100%);
    position: relative;
    overflow: hidden;
}

.solution-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1532187863486-abf9dbad1b69?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    z-index: 0;
}

.solution-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 2;
}

.solution-section > .container {
    position: relative;
    z-index: 1;
}

.solution-section .section-header .section-title,
.solution-section .section-header .section-desc {
    color: var(--white);
}

.solution-section .section-header .section-title {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.solution-section .section-header .section-desc {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.solution-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.solution-card::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.solution-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 184, 148, 0.2);
    border-color: var(--secondary);
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.solution-card:hover::after {
    opacity: 1;
}

.solution-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    transition: transform 0.4s ease;
}

.solution-card:hover .solution-number {
    transform: scale(1.1);
}

.solution-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.solution-card:hover h3 {
    color: var(--primary);
}

.solution-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Service Detail Section */
.service-detail-section {
    padding: var(--section-padding);
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 50%, #f0f4f8 100%);
    position: relative;
    overflow: hidden;
}

.service-detail-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1581093458791-9d42e3c7e117?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.06;
    z-index: 0;
}

.service-detail-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    z-index: 2;
}

.service-detail-section > .container {
    position: relative;
    z-index: 1;
}

.detail-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.detail-item {
    background: linear-gradient(145deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
}

.detail-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.detail-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 102, 204, 0.15);
    border-color: rgba(0, 102, 204, 0.3);
}

.detail-item:hover::before {
    opacity: 1;
}

.detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 32px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.detail-header::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 40%;
    height: 200%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
    transform: rotate(-30deg);
    transition: transform 0.4s ease;
}

.detail-item:hover .detail-header::after {
    transform: rotate(-30deg) translateX(30px);
}

.detail-icon {
    font-size: 2rem;
    position: relative;
    z-index: 1;
    transition: transform 0.4s ease;
}

.detail-item:hover .detail-icon {
    transform: scale(1.2) rotate(10deg);
}

.detail-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.detail-body {
    padding: 32px;
    position: relative;
    z-index: 1;
}

.detail-body > p {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 24px;
}

.detail-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px;
    background: rgba(0, 102, 204, 0.05);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.detail-item:hover .feature-item {
    background: rgba(0, 102, 204, 0.08);
    transform: translateY(-3px);
}

.feature-item strong {
    font-size: 0.95rem;
    color: var(--dark);
    transition: color 0.3s ease;
}

.detail-item:hover .feature-item strong {
    color: var(--primary);
}

.feature-item span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Process Timeline Vertical */
.process-timeline-vertical {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.process-timeline-vertical::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 40px;
    bottom: 40px;
    width: 2px;
    background: var(--gray-300);
}

.process-step-large {
    display: flex;
    gap: 40px;
    padding: 32px 0;
    position: relative;
}

.step-marker {
    position: relative;
    z-index: 1;
}

.step-number-large {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.3);
    position: relative;
    overflow: hidden;
}

.step-number-large::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.process-step-large:hover .step-number-large {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.4);
}

.process-step-large:hover .step-number-large::after {
    opacity: 1;
}

.step-content-large {
    flex: 1;
    background: linear-gradient(145deg, #f8f9fa 0%, #ffffff 100%);
    padding: 32px;
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.step-content-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.4s ease;
}

.step-content-large::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(0, 184, 148, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transition: transform 0.4s ease;
}

.process-step-large:hover .step-content-large {
    transform: translateX(10px);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.15);
    border-color: rgba(0, 102, 204, 0.3);
}

.process-step-large:hover .step-content-large::before {
    transform: scaleY(1);
}

.process-step-large:hover .step-content-large::after {
    transform: scale(1.5);
}

.step-content-large h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.process-step-large:hover .step-content-large h3 {
    color: var(--primary);
}

.step-desc {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.step-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.step-details li {
    font-size: 0.95rem;
    color: var(--gray-700);
    padding-left: 24px;
    position: relative;
    transition: transform 0.3s ease;
}

.process-step-large:hover .step-details li {
    transform: translateX(5px);
}

.step-details li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

.process-step-large:hover .step-details li::before {
    transform: scale(1.3);
}

/* Expertise Grid Large */
.expertise-grid-large {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.expertise-card-large {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 40px;
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.expertise-card-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.15) 0%, rgba(0, 102, 204, 0.15) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.expertise-card-large::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.expertise-card-large:hover {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.08) 100%);
    transform: translateY(-12px) scale(1.02);
    border-color: var(--secondary);
    box-shadow: 0 25px 50px rgba(0, 184, 148, 0.25);
}

.expertise-card-large:hover::before {
    opacity: 1;
}

.expertise-card-large:hover::after {
    top: -50%;
    left: -50%;
}

.expertise-icon-large {
    font-size: 3.5rem;
    margin-bottom: 20px;
    display: inline-block;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    transition: transform 0.4s ease;
}

.expertise-card-large:hover .expertise-icon-large {
    transform: scale(1.15) rotate(10deg);
}

.expertise-card-large h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.expertise-card-large:hover h3 {
    color: var(--secondary-light);
}

.expertise-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 20px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.expertise-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.expertise-details li {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.95);
    padding-left: 20px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    position: relative;
    transition: transform 0.3s ease;
}

.expertise-card-large:hover .expertise-details li {
    transform: translateX(5px);
}

.expertise-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-size: 0.8rem;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.expertise-card-large:hover .expertise-details li::before {
    transform: scale(1.2);
}

/* Requirements Content Large */
.requirements-content-large {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.requirement-category-large {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
}

.requirement-category-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.02) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.requirement-category-large:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 102, 204, 0.15);
    border-color: rgba(0, 102, 204, 0.3);
}

.requirement-category-large:hover::before {
    opacity: 1;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 32px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.category-header::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    transform: rotate(-30deg);
    transition: transform 0.4s ease;
}

.requirement-category-large:hover .category-header::after {
    transform: rotate(-30deg) translateX(20px);
}

.cat-icon-large {
    font-size: 2rem;
    position: relative;
    z-index: 1;
    transition: transform 0.4s ease;
}

.requirement-category-large:hover .cat-icon-large {
    transform: scale(1.2) rotate(10deg);
}

.category-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.requirement-list-large {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
    z-index: 1;
}

.requirement-item-large {
    display: flex;
    gap: 16px;
    transition: transform 0.3s ease;
}

.requirement-category-large:hover .requirement-item-large {
    transform: translateX(8px);
}

.requirement-item-large .check-icon {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    margin-top: 2px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
}

.requirement-category-large:hover .requirement-item-large .check-icon {
    transform: scale(1.15);
    box-shadow: 0 6px 16px rgba(0, 184, 148, 0.4);
}

.requirement-content strong {
    display: block;
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 4px;
    transition: color 0.3s ease;
}

.requirement-category-large:hover .requirement-content strong {
    color: var(--primary);
}

.requirement-content p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Page Responsive */
@media (max-width: 992px) {
    .solution-grid {
        grid-template-columns: 1fr;
    }

    .detail-features {
        grid-template-columns: 1fr;
    }

    .expertise-grid-large {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline-vertical::before {
        left: 30px;
    }

    .step-number-large {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .process-step-large {
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .page-hero {
        min-height: 30vh;
        padding: 40px 20px;
    }

    .page-hero-title {
        font-size: 1.8rem;
    }

    .expertise-grid-large {
        grid-template-columns: 1fr;
    }

    .process-timeline-vertical::before {
        display: none;
    }

    .process-step-large {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .step-content-large {
        width: 100%;
    }

    .step-details {
        text-align: left;
    }
}

/* ========================================
   Diagnosis Page
======================================== */
.diagnosis-intro-section {
    padding: 80px 0 40px;
    background: linear-gradient(180deg, #F6F7FB 0%, #fff 100%);
}

.diagnosis-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.diagnosis-intro-icon {
    font-size: 3.2rem;
    margin-bottom: 20px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.diagnosis-intro h2 {
    font-size: 1.9rem;
    color: var(--dark);
    margin-bottom: 14px;
    font-weight: 900;
}

.diagnosis-intro p {
    font-size: 1.05rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.diagnosis-score-guide {
    display: flex;
    gap: 16px;
    margin-top: 36px;
    justify-content: center;
    flex-wrap: wrap;
}

.score-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 20px 28px;
    border-radius: 16px;
    border-left: 4px solid;
    text-align: left;
    background: var(--white);
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    min-width: 200px;
}

.score-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.score-item strong {
    font-size: 1.05rem;
    font-weight: 800;
}

.score-item span {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.score-high { border-color: #059669; background: linear-gradient(135deg, #ECFDF5, #fff); }
.score-high strong { color: #059669; }
.score-mid { border-color: #D97706; background: linear-gradient(135deg, #FFFBEB, #fff); }
.score-mid strong { color: #D97706; }
.score-low { border-color: #DC2626; background: linear-gradient(135deg, #FEF2F2, #fff); }
.score-low strong { color: #DC2626; }

/* Diagnosis Form */
.diagnosis-form-section {
    padding: 40px 0 80px;
    background: #FAFBFD;
}

.diagnosis-part {
    margin-bottom: 64px;
}

.part-header {
    margin-bottom: 32px;
    padding: 32px 36px;
    background: var(--white);
    border-radius: 20px;
    border: 1px solid #E5E7EB;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    border-left: 5px solid transparent;
}
.diagnosis-part:nth-child(1) .part-header { border-left-color: #004DA6; }
.diagnosis-part:nth-child(2) .part-header { border-left-color: #D97706; }
.diagnosis-part:nth-child(3) .part-header { border-left-color: #059669; }

.part-number {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.part-title {
    font-size: 1.6rem;
    color: var(--dark);
    margin-bottom: 8px;
    font-weight: 900;
}

.part-subtitle {
    font-size: 0.92rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.diagnosis-questions {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.question-card {
    display: flex;
    gap: 20px;
    padding: 28px 32px;
    background: var(--white);
    border-radius: 18px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    border: 1px solid #F0F2F5;
    transition: all 0.3s ease;
}

/* 홀짝 교차 배경색 - 홀수: 하늘색, 짝수: 초록색 */
.question-card:nth-child(odd) { background: linear-gradient(135deg, #E8F4FD, #EBF5FF); }
.question-card:nth-child(even) { background: linear-gradient(135deg, #ECFDF5, #F0FDF4); }

.question-card:hover {
    box-shadow: 0 6px 24px rgba(0,0,0,0.06);
    border-color: #D1DAE8;
    transform: translateY(-1px);
}

/* 응답완료 - 파트별 색상 */
.question-card.answered {
    box-shadow: 0 2px 12px rgba(5,150,105,0.08);
}
.diagnosis-part:nth-child(1) .question-card.answered {
    border-color: #004DA6;
    background: linear-gradient(135deg, rgba(0,77,166,0.03), #fff);
}
.diagnosis-part:nth-child(2) .question-card.answered {
    border-color: #D97706;
    background: linear-gradient(135deg, rgba(217,119,6,0.03), #fff);
}
.diagnosis-part:nth-child(3) .question-card.answered {
    border-color: #059669;
    background: linear-gradient(135deg, rgba(5,150,105,0.03), #fff);
}

.question-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    font-weight: 900;
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

/* 번호 배경 - 파트별 */
.diagnosis-part:nth-child(1) .question-number { background: linear-gradient(135deg, #EEF2FF, #E0E7FF); color: #004DA6; }
.diagnosis-part:nth-child(2) .question-number { background: linear-gradient(135deg, #FEF3C7, #FDE68A); color: #92400E; }
.diagnosis-part:nth-child(3) .question-number { background: linear-gradient(135deg, #D1FAE5, #A7F3D0); color: #065F46; }

/* 응답완료 번호 */
.diagnosis-part:nth-child(1) .question-card.answered .question-number { background: #004DA6; color: #fff; }
.diagnosis-part:nth-child(2) .question-card.answered .question-number { background: #D97706; color: #fff; }
.diagnosis-part:nth-child(3) .question-card.answered .question-number { background: #059669; color: #fff; }

.question-content {
    flex: 1;
}

.question-content h4 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 6px;
    font-weight: 800;
}

.question-content > p {
    font-size: 0.93rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 18px;
}

.answer-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.answer-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: 2px solid #E5E7EB;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.25s ease;
    font-size: 0.88rem;
    color: var(--gray-600);
    user-select: none;
    background: #FAFBFD;
}

.answer-option:hover {
    border-color: var(--primary-light);
    color: var(--primary);
    background: #EEF2FF;
    transform: translateY(-1px);
}

.answer-option input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 16px;
    height: 16px;
    border: 2px solid #D1D5DB;
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
    transition: all 0.25s ease;
}

.answer-option input[type="radio"]:checked ~ .radio-custom {
    border-color: var(--primary);
    background: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,77,166,0.15);
}

.answer-option input[type="radio"]:checked ~ .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
}

.answer-option input[type="radio"]:checked ~ .answer-text {
    color: var(--primary);
    font-weight: 700;
}

/* Progress Bar */
.diagnosis-progress-bar {
    position: sticky;
    bottom: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 18px 28px;
    border-radius: 18px;
    box-shadow: 0 -4px 30px rgba(0,0,0,0.08);
    margin-bottom: 28px;
    z-index: 50;
    border: 1px solid rgba(255,255,255,0.6);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gray-600);
    margin-bottom: 10px;
}

.progress-track {
    width: 100%;
    height: 10px;
    background: #F3F4F6;
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #004DA6, #059669);
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Submit */
.diagnosis-submit-area {
    text-align: center;
    padding: 28px 0;
}

.submit-hint {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 12px;
}

.btn-diagnosis-submit {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 52px;
    background: linear-gradient(135deg, #004DA6 0%, #0073E6 100%);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 800;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0,77,166,0.3);
    transition: all 0.3s ease;
}

.btn-diagnosis-submit:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,77,166,0.4);
}

.btn-diagnosis-submit:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* User Info Section */
.user-info-section {
    max-width: 720px;
    margin: 0 auto;
    padding: 60px 0;
}

.user-info-card {
    background: var(--white);
    border-radius: 24px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
    overflow: hidden;
    border: 1px solid #E5E7EB;
}

.user-info-header {
    background: linear-gradient(135deg, #004DA6 0%, #0073E6 50%, #059669 100%);
    padding: 44px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.user-info-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.user-info-icon {
    font-size: 2.8rem;
    display: block;
    margin-bottom: 16px;
}

.user-info-header h2 {
    font-size: 1.7rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 12px;
}

.user-info-header p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
}

#userInfoForm {
    padding: 40px;
}

.info-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.info-form-group {
    margin-bottom: 20px;
}

.info-form-row .info-form-group {
    margin-bottom: 0;
}

.info-form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.info-form-group .required {
    color: #E17055;
}

.info-form-group input,
.info-form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #E5E7EB;
    border-radius: 14px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #FAFBFD;
    color: var(--dark);
}

.info-form-group input:focus,
.info-form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0,77,166,0.1);
    background: var(--white);
}

.info-form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.info-checkbox {
    margin-bottom: 0;
}

.info-checkbox label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 400;
    color: var(--gray-600);
    padding: 14px 16px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
}

.info-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

.info-submit-area {
    text-align: center;
    margin-top: 32px;
}

.btn-info-submit {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 52px;
    background: linear-gradient(135deg, #004DA6 0%, #0073E6 100%);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 800;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0,77,166,0.3);
    transition: all 0.3s ease;
}

.btn-info-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,51,128,0.5);
}

@media (max-width: 768px) {
    .info-form-row {
        grid-template-columns: 1fr;
    }

    .user-info-header {
        padding: 30px 24px;
    }

    #userInfoForm {
        padding: 24px;
    }
}

.submit-hint {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* Result */
.diagnosis-result {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

.result-header {
    text-align: center;
    margin-bottom: 40px;
}

.result-header h2 {
    font-size: 2rem;
    color: var(--dark);
}

.result-date {
    color: var(--gray-500);
    margin-top: 8px;
}

.result-total {
    text-align: center;
    margin-bottom: 48px;
}

.result-score-circle {
    width: 160px;
    height: 160px;
    margin: 0 auto 24px;
    position: relative;
}

.result-score-circle svg {
    width: 100%;
    height: 100%;
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--dark);
}

.score-value::after {
    content: '점';
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-500);
    margin-left: 2px;
}

.result-grade {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.grade-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    margin-right: 8px;
}

.grade-a { background: rgba(0,184,148,0.15); color: #00B894; }
.grade-b { background: rgba(253,203,110,0.3); color: #E17055; }
.grade-c { background: rgba(225,112,85,0.15); color: #D63031; }

.result-summary {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Radar Chart */
.radar-chart-section {
    text-align: center;
    margin-bottom: 48px;
    padding: 40px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.radar-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
}

.radar-chart-wrap {
    max-width: 480px;
    margin: 0 auto;
}

.radar-chart-wrap svg {
    width: 100%;
    height: auto;
}

.radar-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 20px;
}

.radar-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-600);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.result-parts {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 48px;
}

.result-part-card {
    padding: 28px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.result-part-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.result-part-icon {
    font-size: 1.5rem;
}

.result-part-header h3 {
    font-size: 1.1rem;
    color: var(--dark);
}

.result-part-score {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.result-bar-track {
    flex: 1;
    height: 10px;
    background: var(--gray-200);
    border-radius: 5px;
    overflow: hidden;
}

.result-bar-fill {
    height: 100%;
    width: 0%;
    border-radius: 5px;
    transition: width 1s ease 0.5s;
}

.result-part-value {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--dark);
    min-width: 50px;
    text-align: right;
}

.result-part-comment {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-result-retry {
    padding: 14px 32px;
    border: 2px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-700);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-result-retry:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-result-consult {
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: all 0.2s ease;
}

.btn-result-consult:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,102,204,0.3);
}

/* Diagnosis Responsive */
@media (max-width: 768px) {
    .question-card {
        flex-direction: column;
        gap: 12px;
        padding: 20px;
    }

    .question-number {
        width: 40px;
        height: 40px;
        font-size: 0.75rem;
    }

    .answer-group {
        flex-direction: column;
    }

    .answer-option {
        justify-content: flex-start;
    }

    .diagnosis-score-guide {
        flex-direction: column;
        align-items: center;
    }

    .score-item {
        width: 100%;
        max-width: 300px;
    }

    .result-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 992px) {
    .nav-dropdown-menu {
        display: none !important;
    }
}

/* ========================================
   NKCL 기술 파트너십 섹션
======================================== */
.nkcl-partnership-section {
    padding: var(--section-padding);
    background: linear-gradient(180deg, #080810 0%, #0D1B2E 50%, #080810 100%);
}

.nkcl-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.nkcl-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 36px 28px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nkcl-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 102, 204, 0.3);
    box-shadow: 0 12px 40px rgba(0, 102, 204, 0.15);
}

.nkcl-card-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.nkcl-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.nkcl-card p {
    font-size: 14px;
    line-height: 1.7;
    color: #A8C4E0;
}

@media (max-width: 992px) {
    .nkcl-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nkcl-cards {
        grid-template-columns: 1fr;
    }
}