/* Cosmic Luxury Hotel - CSS Styles */

/* CSS Custom Properties */
:root {
  --primary-color: #1a1a2e;
  --secondary-color: #16213e;
  --accent-gold: #d4af37;
  --accent-silver: #c0c0c0;
  --text-light: #ffffff;
  --text-dark: #333333;
  --text-muted: #6c757d;
  --cosmic-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --cosmic-radial: radial-gradient(circle at center, #16213e 0%, #1a1a2e 100%);
  --shadow-cosmic: 0 10px 30px rgba(26, 26, 46, 0.3);
  --border-radius: 12px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--cosmic-gradient);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

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

h3 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

p {
  margin-bottom: 1rem;
  font-size: clamp(1rem, 2vw, 1.1rem);
}

/* Bootstrap 5 Overrides */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #b8941f 100%);
  border: none;
  border-radius: var(--border-radius);
  padding: 12px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #b8941f 0%, var(--accent-gold) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-outline-light {
  border: 2px solid var(--accent-silver);
  color: var(--text-light);
  border-radius: var(--border-radius);
  padding: 12px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition-smooth);
}

.btn-outline-light:hover {
  background: var(--accent-silver);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(192, 192, 192, 0.3);
}

.card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-cosmic);
  transition: var(--transition-smooth);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(26, 26, 46, 0.4);
}

/* Navigation */
.navbar {
  background: rgba(26, 26, 46, 0.95) !important;
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0;
  transition: var(--transition-smooth);
}

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

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-gold) !important;
  text-decoration: none;
}

.navbar-nav .nav-link {
  color: var(--text-light) !important;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.5rem 1rem !important;
  margin: 0 0.5rem;
  transition: var(--transition-smooth);
  position: relative;
}

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

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 80%;
}

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

/* Mobile Menu Toggle */
.navbar-toggler {
  border: none;
  padding: 0;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28212, 175, 55, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  background: var(--cosmic-radial);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(192, 192, 192, 0.1) 0%, transparent 50%);
  animation: cosmic-float 20s ease-in-out infinite;
}

@keyframes cosmic-float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(1deg); }
  66% { transform: translateY(20px) rotate(-1deg); }
}

.hero-content {
  text-align: center;
  color: var(--text-light);
  z-index: 2;
  position: relative;
}

.hero-title {
  margin-bottom: 2rem;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
  animation: fade-up 1s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  margin-bottom: 3rem;
  opacity: 0.9;
  animation: fade-up 1s ease-out 0.3s both;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections */
.section-padding {
  padding: 5rem 0;
}

.section-dark {
  background: var(--primary-color);
  color: var(--text-light);
}

.section-light {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: var(--text-dark);
}

/* Cards and Components */
.room-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition-smooth);
  height: 100%;
}

.room-card .card-img-top {
  height: 250px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.amenity-icon {
  width: 60px;
  height: 60px;
  background: var(--cosmic-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--accent-gold);
  font-size: 1.5rem;
  transition: var(--transition-smooth);
}

.amenity-icon:hover {
  transform: rotateY(360deg);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

/* Forms */
.form-control {
  border-radius: var(--border-radius);
  border: 2px solid rgba(0, 0, 0, 0.1);
  padding: 12px 16px;
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

.form-control.is-invalid {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Footer */
.footer {
  background: var(--primary-color);
  color: var(--text-light);
  padding: 3rem 0 1rem;
}

.footer h5 {
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

.footer a {
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.social-icons a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  margin: 0 0.5rem;
  transition: var(--transition-smooth);
}

.social-icons a:hover {
  background: var(--accent-gold);
  color: var(--primary-color);
  transform: translateY(-3px);
}

/* Utility Classes */
.text-cosmic {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-silver));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-cosmic {
  background: var(--cosmic-gradient);
}

.shadow-cosmic {
  box-shadow: var(--shadow-cosmic);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}

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

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(212, 175, 55, 0.3);
  border-top: 4px solid var(--accent-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 1rem;
  }
  
  .section-padding {
    padding: 3rem 0;
  }
  
  .navbar-nav {
    background: rgba(26, 26, 46, 0.98);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 1rem;
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .navbar-nav .nav-link:last-child {
    border-bottom: none;
  }
  
  .card {
    margin-bottom: 2rem;
  }
}

@media (max-width: 576px) {
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .hero-content .btn {
    width: auto;
    margin: 0 0.5rem 1rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .social-icons {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
}