/* Futuristic Luxury Hotel CSS */

/* Bootstrap 5 Overrides & Custom Variables */
:root {
  --bs-primary: #1a1a2e;
  --bs-secondary: #16213e;
  --accent-gold: #ffd700;
  --accent-silver: #c0c0c0;
  --text-light: #ffffff;
  --text-muted: #b8b9c4;
  --gradient-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --gradient-secondary: linear-gradient(135deg, #16213e 0%, #0f3460 100%);
  --shadow-neon: 0 0 20px rgba(255, 215, 0, 0.3);
  --shadow-soft: 0 10px 30px rgba(26, 26, 46, 0.3);
  --border-radius: 15px;
  --transition: all 0.3s ease;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-silver));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--accent-gold);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-light);
}

p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  border: none;
  padding: 15px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--border-radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-light);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(26, 26, 46, 0.4), var(--shadow-neon);
  background: var(--gradient-secondary);
  color: var(--text-light);
}

.btn-outline-primary {
  border: 2px solid var(--accent-gold);
  color: var(--accent-gold);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--accent-gold);
  color: var(--bs-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-neon);
  border-color: var(--accent-gold);
}

/* Navigation */
.navbar {
  background: rgba(26, 26, 46, 0.95) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 215, 0, 0.1);
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(26, 26, 46, 0.98) !important;
  box-shadow: 0 5px 20px rgba(26, 26, 46, 0.3);
}

.navbar-brand {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-gold) !important;
  text-decoration: none;
  transition: var(--transition);
}

.navbar-brand:hover {
  color: var(--accent-silver) !important;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.navbar-nav .nav-link {
  color: var(--text-light) !important;
  font-weight: 500;
  margin: 0 10px;
  position: relative;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover {
  color: var(--accent-gold) !important;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: var(--accent-gold);
  transition: var(--transition);
  transform: translateX(-50%);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(rgba(26, 26, 46, 0.7), rgba(22, 33, 62, 0.7)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="%23ffd700" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="1000" height="1000" fill="url(%23grid)"/></svg>');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(26, 26, 46, 0.3) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  margin-bottom: 2rem;
  text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 3rem;
  color: var(--text-muted);
}

/* Cards */
.card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 215, 0, 0.1);
  border-radius: var(--border-radius);
  backdrop-filter: blur(20px);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-soft), var(--shadow-neon);
  border-color: rgba(255, 215, 0, 0.3);
}

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-muted);
}

/* Forms */
.form-control {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 10px;
  color: var(--text-light);
  padding: 15px;
  transition: var(--transition);
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 0.2rem rgba(255, 215, 0, 0.25);
  color: var(--text-light);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-label {
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Sections */
.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: rgba(22, 33, 62, 0.3);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animate {
  opacity: 1;
  animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-gold {
  color: var(--accent-gold);
}

.text-silver {
  color: var(--accent-silver);
}

.bg-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 215, 0, 0.1);
}

.glow {
  box-shadow: var(--shadow-neon);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hero {
    min-height: 90vh;
    padding: 2rem 0;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
  
  .navbar-nav {
    text-align: center;
    padding-top: 1rem;
  }
  
  .navbar-nav .nav-link {
    margin: 5px 0;
  }
}

@media (max-width: 576px) {
  .hero {
    min-height: 80vh;
  }
  
  .section {
    padding: 40px 0;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 10px;
  }
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 215, 0, 0.3);
  border-radius: 50%;
  border-top-color: var(--accent-gold);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bs-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-gold);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-silver);
}