@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ==========================================
   CSS CUSTOM VARIABLES & DESIGN SYSTEM
   ========================================== */
:root {
  /* Fonts */
  --font-headings: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Theme: Light Mode (Default) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-glow: rgba(79, 70, 229, 0.15);
  --secondary: #10b981;
  --secondary-hover: #059669;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --border-color: #e2e8f0;
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --navbar-bg: rgba(248, 250, 252, 0.85);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(226, 232, 240, 0.8);
  --toast-success-bg: #d1fae5;
  --toast-success-text: #065f46;
}

[data-theme="dark"] {
  /* Theme: Dark Mode */
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #6b7280;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.3);
  --secondary: #34d399;
  --secondary-hover: #10b981;
  --accent: #fbbf24;
  --accent-hover: #f59e0b;
  --border-color: #1f2937;
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7), 0 1px 3px rgba(255, 255, 255, 0.05);
  --navbar-bg: rgba(9, 13, 22, 0.85);
  --glass-bg: rgba(17, 24, 39, 0.75);
  --glass-border: rgba(37, 99, 235, 0.15);
  --toast-success-bg: #064e3b;
  --toast-success-text: #34d399;
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================
   LAYOUT UTILITIES
   ========================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 12px;
  padding: 4px 12px;
  background: var(--primary-glow);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px var(--primary-glow);
}

.btn-secondary {
  background-color: var(--secondary);
  color: #ffffff;
}
.btn-secondary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
}

.btn-outline {
  border: 2px solid var(--border-color);
  color: var(--text-primary);
}
.btn-outline:hover {
  background-color: var(--accent);
  border-color: var(--text-secondary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* ==========================================
   HEADER / NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--navbar-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.5rem;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
}

.logo-text {
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 1.25rem;
  display: flex;
  flex-direction: column;
}

.logo-subtext {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: -3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-fast);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}
.theme-toggle:hover {
  background-color: var(--border-color);
  transform: scale(1.05);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: var(--text-primary);
}

.theme-toggle .sun-icon {
  display: none;
}
[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}
[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  padding: 160px 0 100px 0;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, var(--primary-glow) 0%, transparent 60%);
}

.hero-content {
  max-width: 620px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: var(--card-shadow);
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--secondary);
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 24px;
  font-weight: 800;
}
.hero-title span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text {
  font-size: 1.25rem;
  text-align: justify;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
}

.hero-stat-item h4 {
  font-size: 1.75rem;
  color: var(--primary);
  margin-bottom: 4px;
}
.hero-stat-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-graphic {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  z-index: 2;
  position: relative;
}

.hero-glow-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
}

.hero-glow-1 {
  bottom: 30px;
  left: -20px;
  animation: float 4s ease-in-out infinite;
}

.hero-glow-2 {
  top: 40px;
  right: -20px;
  animation: float 4s ease-in-out infinite 2s;
}

.hero-glow-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.hero-glow-text h5 {
  font-size: 0.95rem;
  font-weight: 600;
}
.hero-glow-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ==========================================
   CARDS & GRID COMPONENT STYLES
   ========================================== */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.1);
  border-color: var(--primary);
}

.card-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 24px;
  font-size: 1.5rem;
  transition: transform var(--transition-fast);
}
.card:hover .card-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.card-bullets {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}
.card-bullets li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-bullets li::before {
  content: '✓';
  color: var(--secondary);
  font-weight: bold;
}

/* Glass Card Variation */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

/* Feature Item with Checkmark */
.feature-check-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-check-circle {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: bold;
}

.feature-check-text h4 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.feature-check-text p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* ==========================================
   FOUNDER MESSAGE & TESTIMONIALS
   ========================================== */
.founder-block {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--card-shadow);
}

.founder-quote {
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 28px;
  position: relative;
}
.founder-quote::before {
  content: '“';
  font-family: var(--font-headings);
  font-size: 6rem;
  color: var(--primary-glow);
  position: absolute;
  top: -40px;
  left: -20px;
  z-index: 1;
}
.founder-quote span {
  position: relative;
  z-index: 2;
}

.founder-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.founder-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  border: 2px solid var(--primary);
  object-fit: cover;
}

.founder-name h4 {
  font-size: 1.2rem;
  font-weight: 700;
}
.founder-name p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ==========================================
   TABS SYSTEM
   ========================================== */
.tabs-container {
  width: 100%;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.tab-btn:hover {
  background-color: var(--bg-tertiary);
}
.tab-btn.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

/* ==========================================
   FEE CALCULATOR COMPONENT
   ========================================== */
.calculator-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

@media (max-width: 900px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.form-select, .form-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-weight: 500;
  transition: border-color var(--transition-fast);
}
.form-select:focus, .form-input:focus {
  border-color: var(--primary);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 0.95rem;
  user-select: none;
}
.checkbox-label input {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

.calc-summary {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-title {
  font-size: 1.25rem;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.summary-total {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  border-top: 2px dashed var(--border-color);
  padding-top: 16px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

/* ==========================================
   LIBRARY SEAT MAP COMPONENT
   ========================================== */
.seat-map-container {
  text-align: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
}

.seat-legend {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
}

.seat-demo {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}
.seat-demo.available { background-color: var(--bg-tertiary); }
.seat-demo.booked { background-color: var(--text-muted); opacity: 0.4; }
.seat-demo.selected { background-color: var(--secondary); border-color: var(--secondary); }

.seat-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  max-width: 400px;
  margin: 0 auto 32px auto;
}

.seat {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.seat:hover:not(.booked) {
  transform: scale(1.1);
  border-color: var(--primary);
}
.seat.booked {
  background-color: var(--text-muted);
  color: white;
  cursor: not-allowed;
  opacity: 0.3;
}
.seat.selected {
  background-color: var(--secondary);
  color: white;
  border-color: var(--secondary);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

/* ==========================================
   GALLERY PAGE STYLES
   ========================================== */
.gallery-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: transform var(--transition-normal);
}
.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.gallery-item:hover .gallery-img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-title {
  color: white;
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.gallery-category {
  color: var(--secondary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(9, 13, 22, 0.95);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease-out;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 85%;
  max-height: 80vh;
}
.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.lightbox-caption {
  color: white;
  text-align: center;
  margin-top: 16px;
  font-family: var(--font-headings);
  font-size: 1.2rem;
  font-weight: 600;
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
}

/* ==========================================
   ENROLLMENT MULTI-STEP FORM
   ========================================== */
.enroll-container {
  max-width: 800px;
  margin: 0 auto;
}

.progress-bar {
  display: flex;
  justify-content: space-between;
  margin-bottom: 48px;
  position: relative;
}
.progress-bar::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--border-color);
  z-index: 1;
}

.progress-step {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}
.progress-step.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 0 10px var(--primary-glow);
}
.progress-step.completed {
  background-color: var(--secondary);
  border-color: var(--secondary);
  color: white;
}

.form-step {
  display: none;
}
.form-step.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

/* Enrollment Receipt Card */
.receipt-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
  max-width: 500px;
  margin: 0 auto 32px auto;
  position: relative;
  overflow: hidden;
}
.receipt-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
}

.receipt-header {
  text-align: center;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}

.receipt-title {
  font-size: 1.5rem;
  margin-bottom: 4px;
}
.receipt-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 8px;
}
.receipt-label {
  color: var(--text-secondary);
  font-weight: 500;
}
.receipt-value {
  font-weight: 600;
}

.receipt-footer {
  text-align: center;
  margin-top: 32px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ==========================================
   FOOTER SECTION
   ========================================== */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 32px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 64px;
}

.footer-info-col {
  max-width: 320px;
}

.footer-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 16px;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.social-icon:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-2px);
}

.footer-col-title {
  font-size: 1.1rem;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 8px;
}
.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--primary);
}

.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.footer-contact-item svg {
  width: 20px;
  height: 20px;
  fill: var(--primary);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 20px;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  background-color: #25d366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
  z-index: 999;
  font-size: 1.75rem;
  transition: all var(--transition-fast);
}
.whatsapp-float:hover {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 15px 25px rgba(37, 211, 102, 0.4);
}

/* ==========================================
   SCROLL EFFECTS AND REVEALS
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   KEYFRAME ANIMATIONS
   ========================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.5; }
}

/* ==========================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================== */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-secondary);
    flex-direction: column;
    padding: 40px 24px;
    gap: 24px;
    align-items: flex-start;
    transition: left var(--transition-normal);
    box-shadow: var(--card-shadow);
    z-index: 998;
  }
  .nav-links.active {
    left: 0;
  }
  .menu-toggle { display: flex; }
  .nav-actions { gap: 12px; }
  .nav-cta { display: none; } /* Hide navigation CTA button on small screen */
  .grid-2 { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding-top: 120px; }
  .hero-graphic { margin-top: 40px; }
  .section-title { font-size: 2rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  .grid-3, .grid-4, .gallery-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.25rem; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .tab-buttons { flex-direction: column; width: 100%; }
  .tab-btn { width: 100%; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .seat-grid { grid-template-columns: repeat(6, 1fr); }
}