/* ==========================================================================
   AIRVIX GROUP LTD - MODERN LUXURY TRAVEL DESIGN SYSTEM
   Fonts: Outfit (Headings) & Plus Jakarta Sans (Body)
   Frameworks: AOS, GSAP ScrollTrigger, Lucide Icons, Glassmorphism, CSS Grid
   ========================================================================== */

@import url('../fonts/fonts.css');
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&display=swap');

:root {
  /* Ultra-Premium Color Palette */
  --color-navy-950: #030812;
  --color-navy-900: #071426;
  --color-navy-800: #0d213a;
  --color-navy-700: #132f52;
  --color-navy-600: #1c4273;
  
  --color-gold-500: #d4a338;
  --color-gold-400: #e5b84c;
  --color-gold-300: #f3cf73;
  --color-gold-600: #b88622;
  --color-gold-glow: rgba(212, 163, 56, 0.25);

  --color-teal-500: #0ea5e9;
  --color-teal-glow: rgba(14, 165, 233, 0.2);

  /* Theme Neutrals (Light default) */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-dark-section: #071426;
  
  --border-subtle: #e2e8f0;
  --border-glass: rgba(255, 255, 255, 0.2);
  --border-gold: rgba(212, 163, 56, 0.35);

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-inverse: #ffffff;
  --text-gold: #d4a338;

  --nav-glass: rgba(255, 255, 255, 0.92);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(3, 8, 18, 0.04);
  --shadow-md: 0 8px 24px rgba(3, 8, 18, 0.08);
  --shadow-lg: 0 16px 40px rgba(3, 8, 18, 0.12);
  --shadow-xl: 0 24px 60px rgba(3, 8, 18, 0.16);
  --shadow-gold: 0 10px 30px rgba(212, 163, 56, 0.28);
  --shadow-glow: 0 0 35px rgba(212, 163, 56, 0.2);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --container-max: 1320px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Theme Variables */
[data-theme="dark"] {
  --bg-body: #030812;
  --bg-surface: #071426;
  --bg-surface-elevated: #0b1c33;
  --bg-surface-alt: #09192e;
  --bg-glass: rgba(7, 20, 38, 0.88);
  --bg-dark-section: #02060d;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  
  --nav-glass: rgba(3, 8, 18, 0.92);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* Base Reset */
*, *::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-body);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-navy-950);
}
::-webkit-scrollbar-thumb {
  background: var(--color-navy-700);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-navy-950);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold-500);
}

/* Typography Elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

p {
  color: var(--text-muted);
  font-size: 1.02rem;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section General */
.section {
  padding: 7rem 0;
  position: relative;
  overflow: hidden;
}

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

.section-dark {
  background: radial-gradient(circle at 80% 20%, #0d213a 0%, #071426 60%, #030812 100%);
  color: #ffffff;
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #ffffff;
}

.section-dark p {
  color: #94a3b8;
}

/* Section Headers */
.section-header {
  margin-bottom: 3.5rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold-500);
  background: var(--color-gold-glow);
  border: 1px solid var(--border-gold);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.9rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.18;
}

.section-title span.highlight {
  color: var(--color-gold-500);
  background: linear-gradient(135deg, var(--color-gold-400) 0%, var(--color-gold-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  margin-top: 1rem;
  line-height: 1.65;
}

/* Progress Bar at Top */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, #d4a338 0%, #f3cf73 50%, #0ea5e9 100%);
  z-index: 10001;
  width: 0%;
  box-shadow: 0 0 12px rgba(212, 163, 56, 0.8);
  transition: width 0.1s linear;
}

/* Glassmorphism Classes */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-lg);
}

.gold-gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, var(--color-gold-300) 70%, var(--color-gold-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}