/* ===== Section Tag ===== */

.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-tag-light {
  color: var(--color-accent-light);
}

/* ===== Hero Banner Carousel ===== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--color-primary);
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero-slide.active {
  opacity: 0.65;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27, 67, 50, 0.6) 0%, rgba(18, 44, 33, 0.45) 100%);
}

.hero-indicators {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 2;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}

.hero-dot.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: scale(1.15);
}

.hero-dot:hover {
  border-color: var(--color-accent);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 var(--container-padding);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--text-5xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
  font-style: italic;
  letter-spacing: 0.03em;
}

.hero-desc {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ===== Stats Section ===== */

.stats {
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-number .suffix {
  font-size: var(--text-3xl);
}

.stat-label {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.stat-divider {
  width: 30px;
  height: 2px;
  background: var(--color-accent);
  margin: var(--space-sm) auto;
  opacity: 0.5;
}

/* ===== About Section ===== */

.about {
  padding: var(--space-4xl) 0;
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-text .section-tag {
  margin-bottom: var(--space-sm);
}

.about-text h2 {
  margin-bottom: var(--space-lg);
}

.about-text h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin-top: var(--space-md);
}

.about-text p {
  margin-bottom: var(--space-lg);
  font-size: var(--text-base);
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  margin-top: var(--space-xl);
}

.about-value-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.about-value-item svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.about-value-item strong {
  display: block;
  font-size: var(--text-base);
  color: var(--color-primary);
  font-weight: 600;
}

.about-value-item span {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.about-text .btn {
  margin-top: var(--space-md);
}

.about-image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-alt);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  background: linear-gradient(transparent, rgba(27, 67, 50, 0.9));
  color: #fff;
}

.about-image-overlay .highlight-number {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
}

.about-image-overlay span {
  display: block;
  font-size: var(--text-sm);
  margin-top: var(--space-xs);
  opacity: 0.8;
}

/* ===== Research Section ===== */

.research {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-alt);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.research-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  display: block;
}

.research-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.research-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.research-card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.research-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

.research-card p {
  font-size: var(--text-sm);
  line-height: 1.7;
}

.research-output {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-3xl);
}

.research-output-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xl);
}

.research-output-text h3 {
  font-size: var(--text-2xl);
  color: #fff;
  margin-bottom: var(--space-sm);
}

.research-output-text p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-base);
}

/* ===== Expert Network Section ===== */

.experts {
  padding: var(--space-4xl) 0;
  background: var(--color-bg);
}

.experts-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-3xl);
  align-items: center;
}

.experts-info .section-tag {
  margin-bottom: var(--space-sm);
}

.experts-info h2 {
  margin-bottom: var(--space-lg);
}

.experts-info h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin-top: var(--space-md);
}

.experts-info > p {
  font-size: var(--text-base);
  margin-bottom: var(--space-2xl);
}

.experts-tiers {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.tier-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.tier-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  flex-shrink: 0;
}

.tier-1 {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #fff;
}

.tier-2 {
  background: var(--color-primary);
  color: var(--color-accent);
}

.tier-3 {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}

.tier-text strong {
  display: block;
  font-size: var(--text-base);
  color: var(--color-primary);
}

.tier-text span {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.experts-actions {
  display: flex;
  gap: var(--space-md);
}

.experts-stats-card {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

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

.experts-stat-number {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.experts-stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

.experts-stat-desc {
  grid-column: 1 / -1;
  text-align: center;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

/* ===== Award Section ===== */

.award {
  position: relative;
  padding: var(--space-4xl) 0;
  background: var(--color-primary-dark);
  overflow: hidden;
}

.award-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
  opacity: 0.9;
}

.award .container {
  position: relative;
  z-index: 1;
}

.award .section-title h2 {
  color: #fff;
}

.award .section-title h2::after {
  background: var(--color-accent);
}

.award .section-title p {
  color: rgba(255, 255, 255, 0.7);
}

.award-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.award-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  backdrop-filter: blur(4px);
}

.award-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-6px);
  border-color: var(--color-accent);
}

.award-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(201, 169, 110, 0.15);
  border: 1px solid rgba(201, 169, 110, 0.3);
}

.award-card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.award-card h3 {
  font-size: var(--text-lg);
  color: #fff;
  margin-bottom: var(--space-md);
}

.award-card p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

.award-cta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

/* ===== Membership Section ===== */

.membership {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-alt);
}

.membership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.membership-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
}

.membership-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.membership-card-featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.membership-badge {
  position: absolute;
  top: -1px;
  right: var(--space-xl);
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.membership-level {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.membership-price {
  font-size: var(--text-base);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.membership-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.membership-benefits li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.membership-benefits li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

.membership-cta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

/* ===== Timeline Section ===== */

.timeline {
  padding: var(--space-4xl) 0;
  background: var(--color-bg);
}

.timeline-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-lg);
  padding-top: var(--space-2xl);
}

.timeline-line {
  position: absolute;
  top: calc(var(--space-2xl) + 20px);
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  text-align: center;
}

.timeline-year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.timeline-content h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-xs);
}

.timeline-content p {
  font-size: var(--text-xs);
  line-height: 1.6;
}

/* ===== News Section ===== */

.news {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-alt);
}

.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
}

.news-header h2 {
  position: relative;
}

.news-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin-top: var(--space-sm);
}

.news-header > a {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
  margin-bottom: var(--space-sm);
}

.news-header > a:hover {
  gap: 8px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.news-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.news-card-body {
  padding: var(--space-xl);
}

.news-date {
  display: inline-block;
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.news-card h3 {
  font-size: var(--text-lg);
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.5;
  transition: color var(--transition-fast);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card:hover h3 {
  color: var(--color-accent);
}

.news-card p {
  font-size: var(--text-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== CTA Banner ===== */

.cta-banner {
  padding: var(--space-4xl) 0;
  background: var(--color-bg);
}

.cta-inner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl) var(--space-4xl);
  text-align: center;
}

.cta-inner h2 {
  font-size: var(--text-3xl);
  color: #fff;
  margin-bottom: var(--space-md);
}

.cta-inner p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-2xl);
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}