:root {
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  
  --accent-cyan: #22d3ee;
  
  --bg-color: #f8fafc;
  --bg-glass: rgba(255, 255, 255, 0.75);
  
  --text-dark: #0f172a;
  --text-muted: #64748b;
  
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
  --shadow-soft: 0 20px 40px -10px rgba(37, 99, 235, 0.1);
  --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography & Utilities */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-600), var(--accent-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-dark);
}
.section-subtitle {
  text-align: center;
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 50px;
}

/* Glass Card */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 1);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius-lg);
  transition: all 0.4s ease;
}

/* Topbar */
.topbar {
  background: #0f172a;
  color: white;
  padding: 10px 5%;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 500;
}
.topbar-left, .topbar-right {
  display: flex;
  gap: 24px;
}
.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.topbar-item i {
  color: var(--primary-400);
  font-size: 15px;
}
.topbar-right a {
  color: white;
  text-decoration: none;
  transition: 0.3s;
}
.topbar-right a:hover {
  color: var(--primary-400);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  padding: 16px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}
.navbar.scrolled {
  padding: 12px 5%;
  background: rgba(255, 255, 255, 0.95);
}
.nav-logo {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-600);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-logo span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-left: 2px solid var(--primary-200);
  padding-left: 10px;
  line-height: 1.2;
}
.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  font-size: 15px;
  position: relative;
  padding: 5px 0;
  transition: 0.3s;
}
.nav-menu a:hover, .nav-menu a.active {
  color: var(--primary-600);
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary-600);
  transition: 0.3s ease;
  border-radius: 2px;
}
.nav-menu a:hover::after, .nav-menu a.active::after {
  width: 100%;
}

/* Dropdown Styles */
.nav-item.dropdown {
  position: relative;
}
.dropdown-toggle {
  display: flex !important;
  align-items: center;
  gap: 4px;
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  padding: 10px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all 0.3s ease;
  z-index: 1000;
  border: 1px solid rgba(0,0,0,0.05);
}
.nav-item.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li {
  margin-bottom: 4px;
}
.dropdown-menu li:last-child {
  margin-bottom: 0;
}
.dropdown-menu a {
  display: flex !important;
  flex-direction: column;
  padding: 12px 16px !important;
  border-radius: 8px;
  font-weight: 600 !important;
}
.dropdown-menu a::after {
  display: none !important;
}
.dropdown-menu a:hover {
  background: var(--primary-50);
  color: var(--primary-600) !important;
}
.dropdown-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.dropdown-badge.cirebon {
  color: #f59e0b;
}
.dropdown-badge.online {
  color: #10b981;
}

@media (max-width: 991px) {
  .nav-item.dropdown:hover .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: transparent;
    border: none;
    padding-left: 15px;
    margin-top: 10px;
  }
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
  color: white;
  padding: 12px 28px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(37, 99, 235, 0.35);
}
.btn-outline {
  background: rgba(255,255,255,0.5);
  color: var(--primary-600);
  border: 2px solid var(--primary-100);
  padding: 10px 26px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover {
  border-color: var(--primary-600);
  background: white;
}
.mobile-toggle {
  display: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-dark);
}

/* Hero Section */
.hero {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: calc(100vh - 120px);
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  padding: 60px 5% 100px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s;
  z-index: 1;
}
.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 5;
}
.hero-nav {
  position: absolute;
  bottom: 40px;
  left: 5%;
  display: flex;
  gap: 12px;
  z-index: 10;
}
.hero-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.3);
  cursor: pointer;
  transition: 0.3s;
}
.hero-dot.active {
  background: var(--primary-600);
  width: 32px;
  border-radius: 8px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: var(--primary-400);
  filter: blur(150px);
  opacity: 0.15;
  border-radius: 50%;
  z-index: -1;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -10%;
  width: 500px;
  height: 500px;
  background: var(--accent-cyan);
  filter: blur(150px);
  opacity: 0.1;
  border-radius: 50%;
  z-index: -1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  color: var(--primary-700);
  border-radius: 30px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 1);
  box-shadow: var(--shadow-sm);
}
.hero-badge i { color: #f59e0b; }
.hero-content h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  color: var(--text-dark);
  letter-spacing: -1px;
}
.hero-content p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.6;
  max-width: 90%;
}
.hero-buttons {
  display: flex;
  gap: 16px;
}
.hero-image-wrapper {
  position: relative;
  z-index: 1;
}
.hero-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
  height: 600px;
  border: 8px solid rgba(255, 255, 255, 0.5);
  background: white;
}
.floating-icon {
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: var(--shadow-glass);
  z-index: 2;
  border: 1px solid rgba(255,255,255,1);
  animation: float 5s ease-in-out infinite;
}
.fi-1 { top: 60px; left: -32px; color: #3b82f6; animation-delay: 0s; }
.fi-2 { top: 200px; right: -24px; color: #8b5cf6; animation-delay: 1.5s; }
.fi-3 { bottom: 180px; left: -20px; color: #10b981; animation-delay: 3s; }
.fi-4 { bottom: 60px; right: 30px; color: #f43f5e; animation-delay: 0.5s; }

.hero-info-card {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  padding: 24px 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  display: flex;
  gap: 32px;
  z-index: 3;
  white-space: nowrap;
  border: 1px solid rgba(255,255,255,1);
  width: max-content;
}
.hic-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hic-item-top {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--text-dark);
  font-size: 16px;
}
.hic-item-top i {
  color: var(--primary-600);
  font-size: 20px;
  background: var(--primary-50);
  padding: 6px;
  border-radius: 50%;
}
.hic-item span {
  font-size: 13px;
  color: var(--text-muted);
  padding-left: 36px;
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0); }
}

/* Features Section */
.features {
  padding: 100px 5%;
  background: linear-gradient(180deg, var(--bg-color) 0%, white 100%);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-600), var(--accent-cyan));
  opacity: 0;
  transition: 0.3s;
}
.feature-card:hover {
  transform: translateY(-10px);
}
.feature-card:hover::before {
  opacity: 1;
}
.fc-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary-50), white);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--primary-600);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--primary-100);
  transition: 0.3s;
}
.feature-card:hover .fc-icon {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
  color: white;
  transform: scale(1.1) rotate(5deg);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Category Menu Cards */
.category-menu-container {
  margin: 0 auto 40px;
  overflow-x: auto;
  padding: 10px 5%;
  display: flex;
  gap: 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.category-menu-container::-webkit-scrollbar { display: none; }
.cat-menu-card {
  min-width: 140px;
  background: var(--bg-glass);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-dark);
  scroll-snap-align: start;
  transition: 0.3s;
  cursor: pointer;
}
.cat-menu-card:hover, .cat-menu-card.active {
  transform: translateY(-4px);
  background: var(--primary-600);
  color: white;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.3);
  border-color: var(--primary-600);
}
.cat-icon {
  font-size: 28px;
  color: var(--primary-600);
  transition: 0.3s;
}
.cat-menu-card:hover .cat-icon, .cat-menu-card.active .cat-icon {
  color: white;
}
.cat-name {
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}

/* Kelas Populer */
.classes {
  padding: 80px 5%;
  background: white;
}
.classes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.class-card {
  padding: 16px;
  display: flex;
  flex-direction: column;
}
.class-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-soft);
}
.cc-image {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-md);
  object-fit: cover;
  margin-bottom: 16px;
}
.cc-badge {
  position: absolute;
  top: 28px;
  right: 28px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-700);
  box-shadow: var(--shadow-sm);
}
.cc-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.cc-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}
.cc-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
  flex-grow: 1;
}
.cc-info {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--primary-50);
  padding-top: 16px;
  margin-bottom: 16px;
}
.cc-info-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.cc-info-item i {
  color: var(--primary-500);
}
.cc-btn {
  width: 100%;
  text-align: center;
  justify-content: center;
  padding: 10px;
}

/* Statistics */
.stats {
  padding: 60px 5%;
  background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 50%;
  height: 200%;
  background: rgba(255,255,255,0.05);
  transform: rotate(30deg);
}
.stats-container {
  display: flex;
  justify-content: space-around;
  position: relative;
  z-index: 1;
}
.stat-item {
  text-align: center;
  color: white;
}
.stat-num {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 8px;
  text-shadow: 0 4px 10px rgba(0,0,0,0.2);
}
.stat-label {
  font-size: 16px;
  font-weight: 500;
  opacity: 0.9;
}

/* Testimoni */
.testimonials {
  padding: 100px 5%;
  background: var(--bg-color);
  overflow: hidden;
}
.testi-slider {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.testi-slider::-webkit-scrollbar {
  display: none;
}
.testi-card {
  min-width: 350px;
  padding: 32px;
  scroll-snap-align: start;
}
.testi-rating {
  color: #f59e0b;
  font-size: 18px;
  margin-bottom: 16px;
  display: flex;
  gap: 4px;
}
.testi-text {
  font-size: 15px;
  color: var(--text-dark);
  line-height: 1.6;
  margin-bottom: 24px;
  font-style: italic;
}
.testi-user {
  display: flex;
  align-items: center;
  gap: 16px;
}
.testi-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}
.testi-name {
  font-weight: 700;
  font-size: 16px;
}
.testi-role {
  font-size: 13px;
  color: var(--text-muted);
}

/* CTA Section */
.cta-section {
  padding: 80px 5%;
  background: white;
}
.cta-box {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
  border-radius: var(--radius-xl);
  padding: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.cta-box::after {
  content: '';
  position: absolute;
  right: -5%;
  top: -20%;
  width: 40%;
  height: 140%;
  background: rgba(255,255,255,0.1);
  transform: rotate(-15deg);
}
.cta-content {
  color: white;
  position: relative;
  z-index: 2;
  max-width: 500px;
}
.cta-content h2 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}
.cta-content p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 32px;
}
.cta-btn {
  background: white;
  color: var(--primary-600);
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  display: inline-block;
  transition: 0.3s;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(0,0,0,0.15);
}
.cta-image {
  position: relative;
  z-index: 2;
  width: 350px;
}

/* Footer */
.footer {
  background: #0f172a;
  color: white;
  padding: 80px 5% 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}
.footer-logo {
  font-size: 28px;
  font-weight: 800;
  color: white;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.footer-logo span {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-300);
  border-left: 2px solid var(--primary-400);
  padding-left: 10px;
}
.footer-desc {
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 24px;
  font-size: 15px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: 0.3s;
}
.footer-social a:hover {
  background: var(--primary-500);
  transform: translateY(-3px);
}
.footer-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  color: white;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: 0.3s;
  font-size: 15px;
}
.footer-links a:hover {
  color: var(--primary-300);
  padding-left: 5px;
}
.footer-contact li {
  display: flex;
  gap: 12px;
  color: #94a3b8;
  margin-bottom: 16px;
  font-size: 15px;
}
.footer-contact i {
  color: var(--primary-400);
  font-size: 18px;
}
.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #94a3b8;
  font-size: 14px;
}

/* Mobile Bottom Nav */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,1);
  box-shadow: 0 -5px 20px rgba(0,0,0,0.05);
  z-index: 1000;
  padding: 10px 20px;
  padding-bottom: env(safe-area-inset-bottom, 10px);
}
.mobile-nav-list {
  display: flex;
  justify-content: space-between;
  list-style: none;
}
.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  transition: 0.3s;
}
.mobile-nav-item i {
  font-size: 22px;
}
.mobile-nav-item.active, .mobile-nav-item:hover {
  color: var(--primary-600);
}
.mobile-nav-item.active i {
  background: var(--primary-50);
  padding: 4px 12px;
  border-radius: 16px;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .hero-info-card { width: 90%; flex-wrap: wrap; justify-content: center; bottom: -60px; }
}
@media (max-width: 991px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 40px; min-height: auto; }
  .hero-content p { margin: 0 auto 32px; }
  .hero-buttons { justify-content: center; }
  .floating-icon { width: 50px; height: 50px; font-size: 24px; }
  
  .features-grid, .classes-grid { grid-template-columns: repeat(2, 1fr); }
  
  .cta-box { flex-direction: column; text-align: center; padding: 40px 20px; }
  .cta-content { margin-bottom: 30px; }
  
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .topbar { display: none; }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    padding: 40px 5%;
    transition: 0.3s;
  }
  .nav-menu.active { left: 0; }
  .mobile-toggle { display: block; }
  .nav-cta { display: none; }
  
  .hero-image { height: 400px; }
  .hero-info-card { display: none; } /* Hide on small mobile to save space */
  
  .stats-container { flex-direction: column; gap: 30px; }
  
  .mobile-nav { display: block; }
  body { padding-bottom: 70px; }
}
@media (max-width: 576px) {
  .features-grid, .classes-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
}

/* Registration Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: 0.3s ease;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal-content {
  background: rgba(255, 255, 255, 0.9);
  width: 90%;
  max-width: 400px;
  border-radius: 24px;
  padding: 30px;
  position: relative;
  transform: translateY(20px) scale(0.95);
  transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 15px; right: 15px;
  background: rgba(0,0,0,0.05);
  border: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-muted);
  transition: 0.3s;
}
.modal-close:hover {
  background: rgba(0,0,0,0.1);
  color: var(--text-dark);
}
.modal-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
  text-align: center;
}
.modal-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 24px;
}
.modal-form .form-group {
  margin-bottom: 16px;
}
.modal-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-dark);
}
.modal-form input, .modal-form select {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.8);
  font-size: 14px;
  outline: none;
  transition: 0.3s;
  font-family: inherit;
}
.modal-form input:focus, .modal-form select:focus {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
}
.w-100 { width: 100%; }
.mt-3 { margin-top: 16px; }
.success-icon {
  font-size: 60px;
  color: #10B981;
  margin-bottom: 10px;
}
.qris-image {
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin: 0 auto 16px;
  display: block;
  border-radius: 16px;
  border: 2px dashed rgba(0,0,0,0.1);
  padding: 10px;
  background: white;
}
.countdown-box {
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  padding: 10px 16px;
  border-radius: 30px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 16px;
}

/* FAQ Interactions */
.faq-item.active .faq-body {
    max-height: 200px !important;
}
.faq-item.active .faq-header i {
    transform: rotate(180deg);
}