/* ============================================
   AURA TRAVEL — Design System
   Elite Tech-Luxury · iO Digital Inspired
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* --- Design Tokens --- */
:root {
  --aura-black: #0C1120;
  --aura-midnight: #121212;
  --aura-dark: #1a1a2e;
  --aura-electric: #2563EB;
  --aura-electric-light: #3B82F6;
  --aura-electric-glow: rgba(37,99,235,0.25);
  --aura-bone: #FAF8F5;
  --aura-gold: #D4AF37;
  --aura-gold-light: #E8C94A;
  --aura-navy: #0F3460;
  --aura-silver: #BDC3C7;
  --aura-gray: #6B7280;
  --aura-white: #FFFFFF;
  --aura-success: #10B981;
  --aura-warning: #F59E0B;
  --aura-error: #EF4444;

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
  --shadow-glow: 0 0 30px var(--aura-electric-glow);

  --transition-fast: 200ms ease;
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--aura-black);
  color: var(--aura-bone);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--aura-electric-light); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--aura-gold); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

/* --- Utility --- */
.container { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 var(--space-xl); }
.section { padding: var(--space-5xl) 0; }
.text-electric { color: var(--aura-electric); }
.text-gold { color: var(--aura-gold); }
.text-silver { color: var(--aura-silver); }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* --- Brutalista Typography --- */
.display-xl {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 9rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.display-lg {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 5rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.display-md {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.1;
}

.body-lg { font-size: 1.125rem; line-height: 1.7; color: var(--aura-silver); }
.body-sm { font-size: 0.875rem; color: var(--aura-gray); }
.label { font-family: var(--font-display); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--aura-electric); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.btn-primary {
  background: var(--aura-electric);
  color: var(--aura-white);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  background: var(--aura-electric-light);
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--aura-electric-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--aura-bone);
  border: 1.5px solid rgba(250,248,245,0.25);
}
.btn-secondary:hover {
  border-color: var(--aura-electric);
  color: var(--aura-electric-light);
}

.btn-gold {
  background: linear-gradient(135deg, var(--aura-gold), var(--aura-gold-light));
  color: var(--aura-black);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(212,175,55,0.3); }

.btn-whatsapp {
  background: #25D366;
  color: var(--aura-white);
}
.btn-whatsapp:hover { background: #20bd5a; transform: translateY(-2px); }

/* --- Floating Bottom Nav (iO Digital style) --- */
.floating-nav {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 0.75rem;
  background: rgba(12,17,32,0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xl);
}

.floating-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--aura-silver);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-smooth);
  white-space: nowrap;
}

.floating-nav a:hover,
.floating-nav a.active {
  color: var(--aura-white);
  background: var(--aura-electric);
}

.floating-nav .nav-logo {
  font-weight: 900;
  font-size: 1rem;
  color: var(--aura-white);
  padding: 0.6rem 1rem;
  margin-right: var(--space-xs);
  display: flex;
  align-items: center;
}

.floating-nav .nav-logo img {
  height: 20px;
  width: auto;
  object-fit: contain;
}

.floating-nav .nav-logo span { color: var(--aura-electric); }

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-5xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(12,17,32,0.3) 0%,
    rgba(12,17,32,0.6) 50%,
    rgba(12,17,32,0.95) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding: 0.4rem 1rem;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  color: var(--aura-electric-light);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-label .dot {
  width: 6px;
  height: 6px;
  background: var(--aura-success);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 { margin-bottom: var(--space-lg); }
.hero p { max-width: 550px; margin-bottom: var(--space-2xl); }
.hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* --- Stats Bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  padding: var(--space-3xl) 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--aura-white);
  line-height: 1;
}
.stat-number span { color: var(--aura-electric); }
.stat-label { margin-top: var(--space-xs); font-size: 0.85rem; color: var(--aura-gray); }

/* --- Service Rows (iO Digital style) --- */
.services-section { padding: var(--space-5xl) 0; }

.service-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
  text-decoration: none;
  color: var(--aura-bone);
}

.service-row::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: rgba(37,99,235,0.06);
  transition: height var(--transition-slow);
  z-index: 0;
}

.service-row:hover::before { height: 100%; }
.service-row:hover { color: var(--aura-white); }

.service-row-content {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}

.service-row .service-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--aura-gray);
  min-width: 2rem;
}

.service-row .service-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 2.5rem);
}

.service-row .service-desc {
  font-size: 0.85rem;
  color: var(--aura-gray);
  max-width: 300px;
  display: none;
}

.service-row .service-arrow {
  font-size: 2rem;
  transition: transform var(--transition-smooth);
  position: relative;
  z-index: 1;
  color: var(--aura-gray);
}

.service-row:hover .service-arrow {
  transform: rotate(45deg);
  color: var(--aura-electric);
}

.service-row:hover .service-number { color: var(--aura-electric); }

/* --- Trust Section --- */
.trust-section { background: var(--aura-dark); }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.trust-card {
  padding: var(--space-2xl);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
}

.trust-card:hover {
  border-color: var(--aura-electric);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.trust-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37,99,235,0.1);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.trust-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  color: var(--aura-white);
}

.trust-card p { font-size: 0.9rem; color: var(--aura-silver); }

/* --- Verticals Section --- */
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.vertical-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}

.vertical-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.vertical-card:hover img { transform: scale(1.05); }

.vertical-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12,17,32,0.95) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-2xl);
}

.vertical-card-overlay .label { margin-bottom: var(--space-sm); }
.vertical-card-overlay h3 { font-size: 1.5rem; color: var(--aura-white); margin-bottom: var(--space-sm); }
.vertical-card-overlay p { font-size: 0.85rem; color: var(--aura-silver); }

/* --- Big Banner CTA --- */
.big-banner {
  background: var(--aura-electric);
  padding: var(--space-5xl) 0;
  text-align: center;
}

.big-banner h2 {
  color: var(--aura-white);
  margin-bottom: var(--space-lg);
}

.big-banner p {
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.1rem;
}

.big-banner .btn {
  background: var(--aura-white);
  color: var(--aura-electric);
  font-size: 1rem;
  padding: 1rem 2.5rem;
}

.big-banner .btn:hover {
  background: var(--aura-bone);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* --- Booking Form --- */
.booking-section { background: var(--aura-midnight); }

.booking-form {
  max-width: 700px;
  margin: var(--space-3xl) auto 0;
  padding: var(--space-2xl);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
}

.form-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-pill);
  padding: 4px;
}

.form-tab {
  flex: 1;
  padding: 0.7rem;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--aura-gray);
  border: none;
  background: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-tab.active {
  background: var(--aura-electric);
  color: var(--aura-white);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group { display: flex; flex-direction: column; gap: var(--space-xs); }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--aura-silver);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.8rem 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  color: var(--aura-bone);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--aura-electric);
  box-shadow: 0 0 0 3px var(--aura-electric-glow);
}

.form-group select { appearance: none; cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 80px; }

.form-submit { margin-top: var(--space-xl); text-align: center; }

/* --- Footer --- */
.footer {
  padding: var(--space-4xl) 0 var(--space-3xl);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand h3 {
  font-size: 1.5rem;
  color: var(--aura-white);
  margin-bottom: var(--space-md);
}

.footer-brand h3 span { color: var(--aura-electric); }

.footer-brand p {
  font-size: 0.9rem;
  color: var(--aura-gray);
  max-width: 300px;
  margin-bottom: var(--space-lg);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--aura-white);
  margin-bottom: var(--space-lg);
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: var(--space-sm); }
.footer-col a { color: var(--aura-gray); font-size: 0.9rem; }
.footer-col a:hover { color: var(--aura-electric-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.8rem;
  color: var(--aura-gray);
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .verticals-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-row .service-desc { display: none; }
}

@media (max-width: 768px) {
  .hero { padding-bottom: var(--space-4xl); align-items: center; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
  .trust-grid { grid-template-columns: 1fr; }
  .verticals-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }

  .floating-nav {
    bottom: 0.75rem;
    padding: 0.4rem 0.5rem;
    gap: 2px;
  }
  .floating-nav a { font-size: 0.7rem; padding: 0.5rem 0.7rem; }
  .floating-nav .nav-logo { display: none; }

  .service-row { padding: var(--space-lg) var(--space-md); }
}

/* Bottom padding for floating nav */
body { padding-bottom: 5rem; }