/* OPS & AI-Buckingham Machine Website - Main Stylesheet */

:root {
  --primary-color: #1a237e;
  --secondary-color: #0d47a1;
  --accent-color: #2196f3;
  --text-dark: #212121;
  --text-light: #757575;
  --bg-light: #f5f5f5;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: #fafafa;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Header & Navigation */
header {
  background-color: var(--bg-white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  max-width: 1200px;
  margin: 0 auto;
}

.logo h1 {
  font-size: 1.35rem;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 0.25rem;
  line-height: 1;
}

.logo h1 img {
  height: 50px;
  width: auto;
  display: block;
  transition: opacity 0.3s;
}

.logo h1 img:hover {
  opacity: 0.8;
}

.logo p {
  font-size: 0.9rem;
  color: var(--text-dark);
  margin-top: 0.35rem;
  font-family: 'Arial', 'Helvetica Neue', sans-serif;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: none;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  transition: background-color 0.3s, color 0.3s;
}

nav a:hover,
nav a.active {
  background-color: var(--primary-color);
  color: var(--bg-white);
}

.lang-toggle {
  display: flex;
  gap: var(--spacing-xs);
}

.lang-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-white);
  cursor: pointer;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.3s;
}

.lang-btn.active {
  background-color: var(--primary-color);
  color: var(--bg-white);
  border-color: var(--primary-color);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #030620 0%, #051d42 100%);
  color: #ffffff;
  padding: 3rem var(--spacing-sm) 3.5rem;
  text-align: center;
  border-radius: 0;
  margin-bottom: 4.5rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.3;
  color: #1a237e;
  text-shadow: 1px 1px 2px rgba(255,255,255,0.5);
}

.hero p {
  color: #1565c0;
}

.hero .hero-subtitle {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  opacity: 1;
  line-height: 1.5;
  color: #0d47a1;
  font-weight: 600;
}

.hero .hero-description {
  font-size: 1rem;
  margin-bottom: 2rem;
  opacity: 1;
  line-height: 1.6;
  color: #1565c0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero .hero-description strong {
  color: #0d47a1;
  font-weight: 700;
  font-size: 1.05rem;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Achievements Stats Section */
#achievements {
  background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
  padding: 3rem var(--spacing-sm);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin-top: 2rem;
}

.stat-card {
  background: linear-gradient(135deg, #ffffff 0%, #f5f7fa 100%);
  padding: 2rem var(--spacing-md);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(33, 150, 243, 0.1);
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(33, 150, 243, 0.2);
}

.stat-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  line-height: 1;
  background: linear-gradient(135deg, #1a237e 0%, #2196f3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.stat-description {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.4;
}

/* Declaration Section */
#declaration {
  background: linear-gradient(135deg, #1a237e 0%, #0d47a1 100%);
  padding: 3.5rem var(--spacing-sm);
  color: white;
}

#declaration h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #64b5f6;
  font-weight: 700;
}

.declaration-box {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  padding: 2.5rem 2rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: 2.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.declaration-text {
  font-size: 1.3rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: #ffffff;
  text-align: center;
}

.declaration-text strong {
  color: #64b5f6;
  font-weight: 700;
}

.declaration-subtext {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  margin-top: 1.5rem;
}

.declaration-subtext strong {
  color: #ffffff;
  font-weight: 600;
}

.value-propositions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: 2rem;
}

.value-item {
  background: rgba(255, 255, 255, 0.06);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s, background 0.3s;
}

.value-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.1);
}

.value-item h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: #64b5f6;
}

.value-item p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

/* Media & Validation Section */
#media-validation {
  background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
  padding: 3.5rem var(--spacing-sm);
}

.media-logos-section,
.academic-validation,
.press-downloads {
  margin-bottom: 3rem;
}

.media-logos-section h3,
.academic-validation h3,
.press-downloads h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-align: center;
  font-weight: 700;
}

/* Media Grid */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: 2rem;
}

.media-item {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
  text-decoration: none;
  border: 2px solid #e0e0e0;
  transition: all 0.3s;
}

.media-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  border-color: var(--accent-color);
}

.media-item.highlight {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  border-color: var(--accent-color);
}

.media-logo-placeholder {
  min-height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-bottom: 0.75rem;
}

.media-logo-placeholder h4 {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
  font-weight: 700;
}

.media-logo-placeholder p {
  font-size: 0.8rem;
  color: var(--text-light);
}

.media-description {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.4;
}

/* Academic Validation */
.validation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: 2rem;
}

.validation-item {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 12px;
  border: 1px solid #e0e0e0;
  transition: all 0.3s;
}

.validation-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(33, 150, 243, 0.15);
  border-color: var(--accent-color);
}

.validation-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
}

.validation-item h4 {
  font-size: 1.15rem;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
  font-weight: 700;
  text-align: center;
}

.validation-item p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
  text-align: center;
}

.validation-link {
  display: inline-block;
  color: var(--accent-color);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.3s;
  width: 100%;
  text-align: center;
}

.validation-link:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Press Downloads */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.download-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 12px;
  border: 2px solid #e0e0e0;
  text-decoration: none;
  transition: all 0.3s;
  display: block;
}

.download-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  border-color: var(--accent-color);
}

.download-card.highlight {
  background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
  border-color: #ff9800;
}

.download-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
}

.download-card h4 {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  text-align: center;
  font-weight: 700;
}

.download-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
  text-align: center;
}

.btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-outline {
  background-color: transparent;
  color: var(--bg-white);
  border: 2px solid var(--bg-white);
}

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

/* Sections */
section {
  padding: var(--spacing-md) var(--spacing-sm);
  background-color: var(--bg-white);
  margin-bottom: 4.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* 섹션 배경색 패턴 - 명확한 구분을 위한 다양한 색상 */
section:nth-child(4n+1) {
  background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
}

section:nth-child(4n+2) {
  background: linear-gradient(to bottom, #dbeafe 0%, #bfdbfe 100%);
}

section:nth-child(4n+3) {
  background: linear-gradient(to bottom, #f3e8ff 0%, #e9d5ff 100%);
}

section:nth-child(4n+4) {
  background: linear-gradient(to bottom, #d1fae5 0%, #a7f3d0 100%);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.section-title h2 {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

.section-title p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.4;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.card {
  background-color: var(--bg-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card h3 {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

.card p {
  color: var(--text-light);
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
  font-size: 0.8rem;
}

.card ul {
  margin-left: var(--spacing-md);
  color: var(--text-light);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-sm);
}

.feature-icon {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-xs);
}

.feature-item h3 {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-xs);
  color: var(--primary-color);
  line-height: 1.3;
}

.feature-item p {
  font-size: 0.8rem;
  line-height: 1.4;
}

/* Footer */
footer {
  background-color: var(--text-dark);
  color: var(--bg-white);
  padding: var(--spacing-md) var(--spacing-sm);
  text-align: center;
  margin-bottom: 0;
  border-radius: 0;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.8rem;
}

.footer-links a {
  color: var(--bg-white);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--accent-color);
}

/* PDF Viewer */
.pdf-viewer {
  width: 100%;
  height: 600px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin: var(--spacing-md) 0;
}

/* Video Container */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin: var(--spacing-md) 0;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }

  .hero {
    padding: 2rem var(--spacing-sm);
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero .hero-description {
    font-size: 0.9rem;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

  .cards-grid,
  .features-grid,
  .stats-grid,
  .cta-grid,
  .value-propositions {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 3rem;
  }

  .declaration-text {
    font-size: 1.1rem;
  }

  .declaration-subtext {
    font-size: 0.9rem;
  }

  #declaration,
  #achievements,
  #cta {
    padding: 2rem var(--spacing-sm);
  }

  .declaration-box {
    padding: 1.5rem 1rem;
  }

  .media-grid,
  .validation-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }

  .media-logos-section h3,
  .academic-validation h3,
  .press-downloads h3 {
    font-size: 1.3rem;
  }

  #media-validation {
    padding: 2rem var(--spacing-sm);
  }

  .founder-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 1.5rem;
  }

  .photo-placeholder {
    width: 150px;
    height: 150px;
  }

  .founder-name {
    font-size: 1.5rem;
  }

  .founder-role {
    font-size: 1rem;
  }

  .founder-description ul {
    margin-left: 1rem;
    text-align: left;
  }

  .vm-grid {
    grid-template-columns: 1fr;
  }

  .vm-card {
    padding: 1.5rem;
  }

  #founders,
  #vision-mission,
  #contact-info {
    padding: 2rem var(--spacing-sm);
  }

  .solution-matrix {
    padding: 1rem;
  }

  .matrix-table {
    font-size: 0.75rem;
  }

  .matrix-table th,
  .matrix-table td {
    padding: 0.5rem;
    font-size: 0.75rem;
  }
}

/* Language Toggle */
[lang="ko"] .en-only {
  display: none;
}

[lang="en"] .ko-only {
  display: none;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }

/* CTA Section */
#cta {
  border-radius: 0;
  margin-bottom: 4.5rem;
  padding: 3.5rem var(--spacing-sm);
}

.cta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin: 2rem auto;
  max-width: 1000px;
}

.cta-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  padding: 2rem 1.5rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-decoration: none;
  color: white;
  transition: all 0.3s;
  display: block;
}

.cta-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(33, 150, 243, 0.3);
  border-color: rgba(100, 181, 246, 0.5);
}

.cta-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: #64b5f6;
}

.cta-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

/* About Page Styles */
#founders {
  background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
  padding: 3.5rem var(--spacing-sm);
}

.founders-grid {
  display: grid;
  gap: 3rem;
  margin-top: 2rem;
}

.founder-card {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid #e0e0e0;
}

.founder-photo {
  text-align: center;
}

.founder-photo img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto;
  display: block;
  border: 4px solid var(--accent-color);
}

.shim-photo img {
  object-fit: contain;
  background: #ffffff;
  padding: 10px;
}

.photo-placeholder {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border: 4px solid var(--accent-color);
}

.founder-info {
  display: flex;
  flex-direction: column;
}

.founder-name {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.founder-role {
  font-size: 1.1rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.founder-description h4 {
  font-size: 1.15rem;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
  margin-top: 1rem;
  font-weight: 700;
}

.founder-description ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.founder-description li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
  color: var(--text-light);
}

.founder-description li strong {
  color: var(--text-dark);
  font-weight: 600;
}

.founder-description p {
  color: var(--text-light);
  line-height: 1.6;
}

/* Vision & Mission */
#vision-mission {
  background: linear-gradient(135deg, #1a237e 0%, #0d47a1 100%);
  padding: 3.5rem var(--spacing-sm);
  color: white;
}

#vision-mission .section-title h2 {
  color: #64b5f6;
}

#vision-mission .section-title p {
  color: rgba(255, 255, 255, 0.9);
}

.vm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.vm-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  padding: 2.5rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.vm-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #64b5f6;
}

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

.vm-card strong {
  color: #ffffff;
  font-weight: 600;
}

.mission-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mission-item {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  border-left: 4px solid #64b5f6;
}

.mission-item strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: #64b5f6;
}

.mission-item p {
  font-size: 0.9rem;
  margin: 0;
}

/* Contact Info */
#contact-info {
  background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
  padding: 3.5rem var(--spacing-sm);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: 2rem;
}

.contact-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border: 2px solid #e0e0e0;
  text-align: center;
  transition: all 0.3s;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(33, 150, 243, 0.2);
  border-color: var(--accent-color);
}

.contact-card h3 {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-weight: 700;
}

.contact-card p {
  margin-bottom: 0.5rem;
  color: var(--text-light);
  line-height: 1.6;
}

.contact-card a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
}

.contact-card a:hover {
  text-decoration: underline;
}

/* Applications Page - Solution Matrix */
.solution-matrix {
  margin: 2.5rem 0;
  padding: 2rem;
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
  border-radius: 12px;
}

.matrix-table-container {
  overflow-x: auto;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  font-size: 0.9rem;
}

.matrix-table thead {
  background: linear-gradient(135deg, #1a237e 0%, #0d47a1 100%);
  color: white;
}

.matrix-table th {
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.95rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.matrix-table th:last-child {
  border-right: none;
}

.matrix-table tbody tr {
  border-bottom: 1px solid #e0e0e0;
  transition: background 0.3s;
}

.matrix-table tbody tr:hover {
  background: #f8f9fa;
}

.matrix-table tbody tr:last-child {
  border-bottom: none;
}

.matrix-table td {
  padding: 1rem;
  color: var(--text-light);
  line-height: 1.6;
  border-right: 1px solid #e0e0e0;
  vertical-align: top;
}

.matrix-table td:last-child {
  border-right: none;
}

.matrix-table td strong {
  color: var(--text-dark);
  font-weight: 700;
}

/* Press Coverage Section */
.press-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.press-item {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-left: 4px solid var(--accent-color);
  transition: all 0.3s;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.press-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(33, 150, 243, 0.2);
}

.press-thumbnail {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 6px;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
}

.press-content {
  display: flex;
  flex-direction: column;
}

.press-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.press-logo {
  font-size: 1rem;
  color: var(--primary-color);
  font-weight: 700;
}

.press-date {
  font-size: 0.85rem;
  color: var(--text-light);
}

.press-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.press-title a {
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.3s;
}

.press-title a:hover {
  color: var(--accent-color);
}

.press-summary {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

.more-press {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  margin-top: 1rem;
}

.more-press p {
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.more-press a {
  color: var(--accent-color);
  font-weight: 600;
  text-decoration: none;
}

.more-press a:hover {
  text-decoration: underline;
}

/* Responsive press items */
@media (max-width: 768px) {
  .press-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .press-thumbnail {
    height: 80px;
    font-size: 1rem;
  }
}