/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(17, 29, 66, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201, 160, 0, 0.2);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(17, 29, 66, 0.99);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.navbar-name {
  display: flex;
  flex-direction: column;
}

.navbar-name-zh {
  font-family: var(--font-serif-zh);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.navbar-name-en {
  font-size: var(--text-xs);
  color: var(--color-gold-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.2;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.navbar-links a:hover {
  color: var(--color-white);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
  width: 70%;
}

.navbar-links a.active {
  color: var(--color-gold-light);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Language Switch Button */
.btn-lang {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  padding: var(--space-1) var(--space-3);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  letter-spacing: 0.05em;
}

.btn-lang:hover {
  color: var(--color-white);
  border-color: var(--color-gold);
  background: rgba(201, 160, 0, 0.1);
}

/* Hamburger */
.navbar-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 4px;
  cursor: pointer;
}

.navbar-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.navbar-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.navbar-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-navy-dark);
  border-top: 1px solid rgba(201, 160, 0, 0.2);
  padding: var(--space-4) 0;
  z-index: 999;
  animation: slideDown var(--transition-base) ease;
}

.navbar-mobile.open {
  display: block;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.navbar-mobile a {
  display: block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.navbar-mobile a:hover,
.navbar-mobile a.active {
  background: rgba(201, 160, 0, 0.1);
  color: var(--color-gold-light);
}

.navbar-mobile-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6) var(--space-2);
}

@media (max-width: 1024px) {
  .navbar-links { display: none; }
  .navbar-hamburger { display: flex; }
  .navbar-actions .btn-apply { display: none; }
}

@media (max-width: 480px) {
  .navbar-name-en { display: none; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-navy-dark);
  border-color: var(--color-gold);
}
.btn-primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201, 160, 0, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}
.btn-outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-apply {
  background: var(--color-gold);
  color: var(--color-navy-dark);
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  font-weight: 700;
  transition: all var(--transition-fast);
}
.btn-apply:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(201, 160, 0, 0.4);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.card-body {
  padding: var(--space-6);
}

.card-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-gold);
  background: rgba(201, 160, 0, 0.1);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-title {
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
  line-height: 1.35;
}

.card-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.card-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* School / College Cards */
.school-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.school-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-navy), var(--color-gold));
}

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

.school-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: var(--text-2xl);
  color: var(--color-gold-light);
}

.school-card-title {
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
  font-family: var(--font-serif-zh);
}

.school-card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.school-card-stats {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.school-card-stat {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.school-card-stat strong {
  font-size: var(--text-base);
  color: var(--color-gold);
  font-weight: 700;
}

/* ============================================================
   STATS COUNTER
   ============================================================ */
.stats-section {
  background: linear-gradient(135deg, var(--color-navy-dark), var(--color-navy));
  padding: var(--space-16) 0;
  position: relative;
  overflow: hidden;
}

.stats-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(201,160,0,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(201,160,0,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
  border-right: 1px solid rgba(255,255,255,0.1);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-serif-en);
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--color-gold-light);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-right: 1px solid rgba(255,255,255,0.1); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .stat-item:last-child { border-bottom: none; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,0.75);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--space-8);
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.footer-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-brand-text h3 {
  font-family: var(--font-serif-zh);
  font-size: var(--text-xl);
  color: var(--color-white);
  margin-bottom: 2px;
}

.footer-brand-text span {
  font-size: var(--text-xs);
  color: var(--color-gold-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-desc {
  font-size: var(--text-sm);
  line-height: 1.75;
  margin-bottom: var(--space-5);
  color: rgba(255,255,255,0.6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-navy-dark);
}

.footer-col h4 {
  font-family: var(--font-serif-zh);
  font-size: var(--text-base);
  color: var(--color-white);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-gold);
  display: inline-block;
}

.footer-col ul li {
  margin-bottom: var(--space-3);
}

.footer-col ul li a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-col ul li a:hover {
  color: var(--color-gold-light);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
}

.footer-contact li i {
  color: var(--color-gold);
  margin-top: 3px;
  width: 14px;
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--color-gold-light);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ============================================================
   BADGES & TAGS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge-gold {
  background: rgba(201, 160, 0, 0.15);
  color: var(--color-gold);
  border: 1px solid rgba(201, 160, 0, 0.3);
}

.badge-navy {
  background: rgba(26, 43, 94, 0.1);
  color: var(--color-navy);
  border: 1px solid rgba(26, 43, 94, 0.2);
}

/* ============================================================
   ACCORDION
   ============================================================ */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  background: var(--color-white);
  font-weight: 600;
  color: var(--color-navy);
  transition: background var(--transition-fast);
  gap: var(--space-4);
}

.accordion-header:hover {
  background: var(--color-bg);
}

.accordion-icon {
  font-size: var(--text-sm);
  color: var(--color-gold);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  padding: 0 var(--space-6) var(--space-5);
  background: var(--color-white);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.75;
  border-top: 1px solid var(--color-border);
}

.accordion-item.open .accordion-body {
  display: block;
}

/* ============================================================
   TABS
   ============================================================ */
.tabs {
  border-bottom: 2px solid var(--color-border);
  display: flex;
  gap: 0;
  margin-bottom: var(--space-8);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-btn:hover { color: var(--color-navy); }

.tab-btn.active {
  color: var(--color-navy);
  border-bottom-color: var(--color-gold);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }