/* ===================================
   CHAPTERS & SOCIETIES PAGE STYLES
   File: assets/css/chapters.css
=================================== */

/* ===== CHAPTER HERO ===== */
.chapter-hero {
  position: relative;
  height: 55vh;
  min-height: 400px;
  background: linear-gradient(135deg, #00629b, #0b3a5a);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.chapter-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    135deg,
    rgba(255,255,255,0.04),
    rgba(255,255,255,0.04) 2px,
    transparent 2px,
    transparent 40px
  );
}

@keyframes float {
  from { transform: translateY(0); }
  to { transform: translateY(-100px); }
}
















.chapter-hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.chapter-hero__content {
  position: relative;
  z-index: 1;
  color: #ffffff;
  padding: 0 20px;
  max-width: 800px;
}

.chapter-hero__logo {
  width: 120px;
  height: 120px;
  margin: 0 auto 24px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: scaleIn 0.6s ease-out;
}

@keyframes scaleIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.chapter-hero__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.chapter-hero__content h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.chapter-hero__content p {
  font-size: clamp(1rem, 2vw, 1.3rem);
  opacity: 0.95;
  font-weight: 500;
}

/* ===== PAGE CONTAINER ===== */
.chapters-page {
  background: #f8f9fa;
  padding: 60px 20px;
}

html[data-theme="dark"] .chapters-page {
  background: #0b1622;
}

/* ===== INTRO SECTION ===== */
.intro-section {
  max-width: 900px;
  margin: 0 auto 60px;
  text-align: center;
}

.intro-content h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #0b3a5a;
  margin-bottom: 16px;
}

html[data-theme="dark"] .intro-content h2 {
  color: #ffffff;
}

.intro-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #555;
  max-width: 750px;
  margin: 0 auto;
}

html[data-theme="dark"] .intro-content p {
  color: rgba(255, 255, 255, 0.75);
}

/* ===== CHAPTERS GRID ===== */
.chapters-grid {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
  padding: 0 10px;
}

/* ===== CHAPTER CARD ===== */
.chapter-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  border: 2px solid transparent;
}

html[data-theme="dark"] .chapter-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.30);
}

.chapter-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0, 98, 155, 0.15);
  border-color: rgba(0, 98, 155, 0.3);
}

html[data-theme="dark"] .chapter-card:hover {
  box-shadow: 0 16px 40px rgba(0, 153, 204, 0.25);
  border-color: rgba(0, 153, 204, 0.5);
}

/* Featured Card (Student Branch) */
.chapter-card.featured {
  grid-column: span 1;
  background: linear-gradient(135deg, rgba(0, 98, 155, 0.08), rgba(11, 58, 90, 0.05));
  border: 2px solid rgba(0, 98, 155, 0.2);
}

html[data-theme="dark"] .chapter-card.featured {
  background: linear-gradient(135deg, rgba(0, 153, 204, 0.12), rgba(0, 98, 155, 0.08));
  border-color: rgba(0, 153, 204, 0.3);
}

/* ===== CARD HEADER ===== */
.chapter-card__header {
  text-align: center;
  margin-bottom: 20px;
}

.chapter-logo {
  width: 100px;
  height: 100px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f9fa;
  border-radius: 50%;
  padding: 18px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  overflow: hidden; 
}

.chapter-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.chapter-card:hover .chapter-logo img {
  transform: scale(1.15);
}


.chapter-card__header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0b3a5a;
  line-height: 1.4;
}

html[data-theme="dark"] .chapter-card__header h3 {
  color: #ffffff;
}

/* ===== CARD BODY ===== */
.chapter-card__body {
  flex: 1;
  margin-bottom: 24px;
}

.chapter-card__body p {
  color: #555;
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

html[data-theme="dark"] .chapter-card__body p {
  color: rgba(255, 255, 255, 0.75);
}

/* ===== CHAPTER STATS ===== */
.chapter-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.stat {
  text-align: center;
  padding: 14px;
  background: rgba(0, 98, 155, 0.06);
  border-radius: 10px;
  border: 1px solid rgba(0, 98, 155, 0.15);
}

html[data-theme="dark"] .stat {
  background: rgba(0, 153, 204, 0.12);
  border-color: rgba(0, 153, 204, 0.25);
}

.stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: #00629b;
  line-height: 1;
  margin-bottom: 4px;
}

html[data-theme="dark"] .stat-number {
  color: #0099cc;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: #666;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

html[data-theme="dark"] .stat-label {
  color: rgba(255, 255, 255, 0.65);
}

/* ===== CHAPTER TAGS ===== */
.chapter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 20px;
  background: rgba(0, 98, 155, 0.1);
  color: #00629b;
  font-weight: 600;
  font-size: 0.82rem;
  border: 1px solid rgba(0, 98, 155, 0.2);
}

html[data-theme="dark"] .tag {
  background: rgba(0, 153, 204, 0.15);
  color: #0099cc;
  border-color: rgba(0, 153, 204, 0.35);
}

/* ===== CARD FOOTER ===== */
.chapter-card__footer {
  margin-top: auto;
}

.btn-explore {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  justify-content: center;
  padding: 12px 24px;
  background: #00629b;
  color: #ffffff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 98, 155, 0.2);
}

.btn-explore:hover {
  background: #004a75;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 98, 155, 0.3);
}

.btn-explore svg {
  transition: transform 0.3s ease;
}

.btn-explore:hover svg {
  transform: translateX(4px);
}

html[data-theme="dark"] .btn-explore {
  background: rgba(0, 98, 155, 0.25);
  border: 1px solid rgba(0, 153, 204, 0.5);
  color: #0099cc;
}

html[data-theme="dark"] .btn-explore:hover {
  background: rgba(0, 98, 155, 0.35);
  box-shadow: 0 6px 20px rgba(0, 153, 204, 0.25);
}

/* ===== CTA SECTION ===== */
.cta-section {
  max-width: 800px;
  margin: 80px auto 0;
  text-align: center;
  background: linear-gradient(135deg, #00629b, #0b3a5a);
  padding: 50px 30px;
  border-radius: 20px;
  box-shadow: 0 12px 32px rgba(0, 98, 155, 0.25);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    135deg,
    rgba(255,255,255,0.04),
    rgba(255,255,255,0.04) 2px,
    transparent 2px,
    transparent 40px
  );
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
}

.cta-btn {
  display: inline-block;
  padding: 14px 36px;
  background: #ffffff;
  color: #00629b;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

html[data-theme="dark"] .cta-section {
  background: linear-gradient(135deg, rgba(0, 153, 204, 0.25), rgba(0, 98, 155, 0.15));
  border: 1px solid rgba(0, 153, 204, 0.3);
}

html[data-theme="dark"] .cta-btn {
  background: rgba(0, 153, 204, 0.3);
  border: 1px solid rgba(0, 153, 204, 0.6);
  color: #ffffff;
}

html[data-theme="dark"] .cta-btn:hover {
  background: rgba(0, 153, 204, 0.4);
}




/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .chapters-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .chapter-card.featured {
    grid-column: span 1;
  }

  .intro-content h2 {
    font-size: 1.8rem;
  }

  .cta-content h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .chapters-hero__content h1 {
    font-size: 2rem;
  }

  .chapter-card {
    padding: 24px 20px;
  }

  .chapter-stats {
    grid-template-columns: 1fr;
  }
}








/* ===== CS LOGO STYLES ===== */

.chapter-logo-cs {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, #2a3440, #0f1a24);  
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}