/* Modern Luxury Hotel Website - CSS */

/* CSS Custom Properties */
:root {
  --primary-color: #FF6B35;
  --secondary-color: #1B263B;
  --primary-light: #FF8A5C;
  --primary-dark: #E55A2E;
  --secondary-light: #2A3A5B;
  --secondary-dark: #0F1A2B;
  --accent-gold: #D4AF37;
  --white: #FFFFFF;
  --light-gray: #F8F9FA;
  --medium-gray: #6C757D;
  --dark-gray: #343A40;
  --shadow-light: 0 2px 10px rgba(27, 38, 59, 0.1);
  --shadow-medium: 0 4px 20px rgba(27, 38, 59, 0.15);
  --shadow-heavy: 0 8px 30px rgba(27, 38, 59, 0.2);
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --transition-fast: 0.3s ease;
  --transition-smooth: 0.5s 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;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--white);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
}

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

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--medium-gray);
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--secondary-light);
}

/* Bootstrap 5 Overrides */
.btn {
  font-weight: 600;
  padding: 12px 32px;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  box-shadow: var(--shadow-light);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  color: var(--white);
}

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

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--secondary-color);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--secondary-light);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 48px;
  font-size: 1.1rem;
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-light);
  padding: 1rem 0;
  transition: all var(--transition-fast);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-medium);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--secondary-color);
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--primary-color);
}

.navbar-nav .nav-link {
  color: var(--secondary-color);
  font-weight: 500;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary-color);
  background: rgba(255, 107, 53, 0.1);
}

.navbar-toggler {
  border: none;
  padding: 0;
  background: transparent;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(135deg, rgba(27, 38, 59, 0.7), rgba(255, 107, 53, 0.3)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080"><rect fill="%23f8f9fa" width="1920" height="1080"/></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: linear-gradient(45deg, transparent, rgba(212, 175, 55, 0.1));
  animation: shimmer 3s ease-in-out infinite alternate;
}

@keyframes shimmer {
  0% { opacity: 0.3; }
  100% { opacity: 0.7; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .btn {
  animation: fadeInUp 1s ease-out 0.4s both;
  margin: 0 0.5rem;
}

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

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

.section-dark {
  background: var(--secondary-color);
  color: var(--white);
}

.section-dark h2,
.section-dark h3 {
  color: var(--white);
}

.section-light {
  background: var(--light-gray);
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-smooth);
  overflow: hidden;
  background: var(--white);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

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

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

.card-body {
  padding: 2rem;
}

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

.card-text {
  color: var(--medium-gray);
  margin-bottom: 1.5rem;
}

/* Forms */
.form-control {
  border: 2px solid #E9ECEF;
  border-radius: var(--border-radius);
  padding: 12px 16px;
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--white);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
  outline: none;
}

.form-control.is-invalid {
  border-color: #dc3545;
}

.form-control.is-valid {
  border-color: #28a745;
}

.invalid-feedback {
  display: block;
  color: #dc3545;
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.valid-feedback {
  display: block;
  color: #28a745;
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Utilities */
.text-primary {
  color: var(--primary-color);
}

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

.bg-primary {
  background-color: var(--primary-color);
}

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

.border-primary {
  border-color: var(--primary-color);
}

.accent-border {
  position: relative;
}

.accent-border::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-gold));
  border-radius: 2px;
}

/* Loading Spinner */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s linear infinite;
  margin-right: 0.5rem;
}

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

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--white);
  box-shadow: var(--shadow-heavy);
  transition: right var(--transition-smooth);
  z-index: 1050;
  padding: 2rem;
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 1040;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    height: 70vh;
    min-height: 500px;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .btn {
    padding: 10px 24px;
    font-size: 0.9rem;
  }
  
  .btn-lg {
    padding: 12px 32px;
    font-size: 1rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .navbar-nav {
    text-align: center;
    padding: 1rem 0;
  }
}

@media (max-width: 576px) {
  .hero {
    height: 60vh;
    min-height: 400px;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .hero .btn {
    display: block;
    margin: 0.5rem auto;
    max-width: 250px;
  }
  
  .card-img-top {
    height: 200px;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero {
    background-image: linear-gradient(135deg, rgba(27, 38, 59, 0.7), rgba(255, 107, 53, 0.3));
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .navbar {
    background: rgba(27, 38, 59, 0.95);
  }
  
  .navbar-brand,
  .navbar-nav .nav-link {
    color: var(--white);
  }
  
  .card {
    background: var(--secondary-light);
    color: var(--white);
  }
  
  .card-title {
    color: var(--white);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .mobile-menu,
  .mobile-menu-overlay {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .hero {
    height: auto;
    background: none;
    color: var(--secondary-color);
  }
}