/* Modern Luxury Hotel Website CSS */

/* CSS Custom Properties */
:root {
  --primary-color: #1a237e;
  --secondary-color: #ffd700;
  --primary-dark: #0d1456;
  --primary-light: #3949ab;
  --secondary-dark: #b8860b;
  --secondary-light: #fff350;
  --white: #ffffff;
  --black: #000000;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --font-primary: 'Playfair Display', serif;
  --font-secondary: 'Inter', sans-serif;
  --shadow-light: 0 2px 10px rgba(26, 35, 126, 0.1);
  --shadow-medium: 0 4px 20px rgba(26, 35, 126, 0.15);
  --shadow-heavy: 0 8px 30px rgba(26, 35, 126, 0.2);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

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

body {
  font-family: var(--font-secondary);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  line-height: 1.2;
  color: var(--primary-color);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

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;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

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

/* Bootstrap 5 Overrides */
.btn {
  font-family: var(--font-secondary);
  font-weight: 500;
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

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

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

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

.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);
}

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

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

.navbar-brand {
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--gray-700);
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  position: relative;
}

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

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

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

.navbar-toggler {
  border: none;
  padding: 0;
  width: 30px;
  height: 30px;
  position: relative;
}

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

.navbar-toggler-icon {
  background: none;
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar-toggler-icon::before {
  top: -8px;
}

.navbar-toggler-icon::after {
  top: 8px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(rgba(26, 35, 126, 0.4), rgba(26, 35, 126, 0.6)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800" fill="%23f8f9fa"><rect width="1200" height="800" fill="%23e9ecef"/><text x="50%" y="50%" font-size="48" fill="%236c757d" text-anchor="middle" dy=".3em">Hotel Hero Image</text></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  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(circle at 30% 20%, rgba(255, 215, 0, 0.1), transparent 50%), radial-gradient(circle at 70% 80%, rgba(255, 215, 0, 0.05), transparent 50%);
}

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

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

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero .btn {
  margin: 0 0.5rem;
  min-width: 160px;
}

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

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

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

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

.card-body {
  padding: 2rem;
}

.card-title {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.card-text {
  color: var(--gray-700);
  margin-bottom: 1.5rem;
}

/* Forms */
.form-control {
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--white);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 215, 0, 0.25);
  background-color: var(--white);
}

.form-label {
  font-weight: 500;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

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

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--secondary-color);
  margin: 1rem auto 0;
  border-radius: 2px;
}

.section-alt {
  background: linear-gradient(135deg, var(--gray-100), var(--white));
  position: relative;
}

.section-alt::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

/* Rooms Grid */
.room-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  margin-bottom: 2rem;
}

.room-card .price-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--secondary-color);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  z-index: 3;
  box-shadow: var(--shadow-light);
}

/* Amenities */
.amenity-item {
  text-align: center;
  padding: 2rem 1rem;
  border-radius: var(--border-radius-lg);
  transition: var(--transition);
  background: var(--white);
  border: 2px solid transparent;
}

.amenity-item:hover {
  border-color: var(--secondary-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-light);
}

.amenity-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--white);
  font-size: 1.5rem;
  transition: var(--transition);
}

.amenity-item:hover .amenity-icon {
  transform: scale(1.1);
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  color: var(--primary-color);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  padding: 3rem 0 1rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--secondary-color);
}

.footer h5 {
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
  font-family: var(--font-primary);
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer a:hover {
  color: var(--secondary-color);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  margin-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

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

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Utility Classes */
.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);
}

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.bg-gradient-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

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

/* Media Queries */
@media (max-width: 768px) {
  .hero {
    background-attachment: scroll;
    min-height: 70vh;
  }
  
  .hero-content {
    padding: 2rem 1rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
    margin: 0.25rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .navbar-collapse {
    background: var(--white);
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
  }
  
  .amenity-item {
    margin-bottom: 2rem;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .card-img-top {
    height: 200px;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero {
    background-image: linear-gradient(rgba(26, 35, 126, 0.4), rgba(26, 35, 126, 0.6)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2400 1600" fill="%23f8f9fa"><rect width="2400" height="1600" fill="%23e9ecef"/><text x="50%" y="50%" font-size="96" fill="%236c757d" text-anchor="middle" dy=".3em">Hotel Hero Image HD</text></svg>');
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .footer {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
    color: black;
  }
  
  h1, h2, h3 {
    color: black;
    page-break-after: avoid;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
    scroll-behavior: auto;
  }
}

/* Focus Styles */
.btn:focus,
.form-control:focus,
a:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}

::-moz-selection {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}