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

:root {
  /* Color Palette */
  --bg-primary: #0b0b0c;
  --bg-secondary: #111111;
  --surface-dark: #1a1a1a;
  --metallic: #c0c0c0;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --accent-blue: #60a5fa;
  --neon-glow: rgba(96, 165, 250, 0.4);
  --border-light: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(17, 17, 17, 0.6);
  
  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Utilities */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Spacing */
  --spacing-section: 120px;
  --spacing-container: 5%;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

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

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

ul {
  list-style: none;
}

/* Typography Utilities */
.text-accent { color: var(--accent-blue); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }

/* Layout System */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-container);
}

.section {
  padding: var(--spacing-section) 0;
  position: relative;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-light);
}

.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo span {
  color: var(--accent-blue);
  text-shadow: 0 0 10px var(--neon-glow);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  color: var(--metallic);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-blue);
  transition: width var(--transition-smooth);
  box-shadow: 0 0 8px var(--neon-glow);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1001;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 100px;
  font-weight: 600;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--accent-blue);
  color: var(--bg-primary);
  box-shadow: 0 0 15px var(--neon-glow);
}

.btn-primary:hover {
  background: #7db4fa;
  box-shadow: 0 0 25px rgba(96, 165, 250, 0.6);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 15px var(--neon-glow) inset;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 40%, var(--bg-primary) 100%),
              linear-gradient(to right, var(--bg-primary) 0%, transparent 60%);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  color: var(--accent-blue);
  font-family: var(--font-heading);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}

.hero-title {
  font-size: clamp(3rem, 5vw, 5.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-desc {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* Section Headers */
.section-header {
  margin-bottom: 4rem;
  max-width: 600px;
}

.section-label {
  color: var(--accent-blue);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 2px;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 1rem;
}

/* Glass Cards */
.glass-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s ease;
}

.glass-card:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5), 0 0 20px rgba(96,165,250,0.1);
  transform: translateY(-5px);
}

.glass-card:hover::before {
  left: 150%;
}

.card-image-wrap {
  margin: -2.5rem -2.5rem 2rem -2.5rem;
  height: 250px;
  overflow: hidden;
  position: relative;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.glass-card:hover .card-image-wrap img {
  transform: scale(1.08);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* Pricing / Memberships */
.pricing-card {
  text-align: center;
  padding: 3rem 2rem;
}

.pricing-card.featured {
  background: linear-gradient(180deg, var(--surface-dark) 0%, var(--bg-secondary) 100%);
  border-color: rgba(96, 165, 250, 0.3);
  box-shadow: 0 0 30px rgba(96, 165, 250, 0.05);
}

.price {
  font-size: 3.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  margin: 1.5rem 0;
  color: var(--text-primary);
}

.price span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.pricing-features {
  margin-bottom: 2rem;
  text-align: left;
}

.pricing-features li {
  margin-bottom: 0.8rem;
  color: var(--metallic);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent-blue);
  font-weight: bold;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--metallic);
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  background: var(--surface-dark);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Standard Page Header */
.page-header {
  padding: 180px 0 80px 0;
  background: linear-gradient(to bottom, var(--surface-dark), var(--bg-primary));
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

/* Booking Layout */
.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.booking-info {
  position: sticky;
  top: 120px;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: 5rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-blue);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav .nav-links {
  flex-direction: column;
  text-align: center;
  gap: 2rem;
}

.mobile-nav .nav-link {
  font-size: 2rem;
  font-family: var(--font-heading);
}

/* Animation Classes */
.reveal-up { opacity: 0; transform: translateY(40px); }
.reveal-fade { opacity: 0; }
.reveal-scale { opacity: 0; transform: scale(0.95); }

/* Responsive */
@media (max-width: 1024px) {
  .grid-2, .booking-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .booking-info { position: static; }
}

@media (max-width: 768px) {
  .header .nav-links, .header .btn-primary { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-title { font-size: 2.5rem; }
  .section { padding: 80px 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}