/* Modern Luxury Hotel Website - CSS */

/* CSS Custom Properties */
:root {
  --primary-color: #2E86AB;
  --secondary-color: #F24236;
  --primary-dark: #1E5A7A;
  --primary-light: #4DA1C7;
  --secondary-dark: #D63529;
  --secondary-light: #F55B51;
  --neutral-100: #FFFFFF;
  --neutral-200: #F8F9FA;
  --neutral-300: #E9ECEF;
  --neutral-400: #DEE2E6;
  --neutral-500: #ADB5BD;
  --neutral-600: #6C757D;
  --neutral-700: #495057;
  --neutral-800: #343A40;
  --neutral-900: #212529;
  --gold: #D4AF37;
  --gold-light: #F4E4A6;
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  --border-radius: 0.375rem;
  --border-radius-lg: 0.5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family-primary: 'Playfair Display', serif;
  --font-family-secondary: 'Inter', sans-serif;
}

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

body {
  font-family: var(--font-family-secondary);
  line-height: 1.6;
  color: var(--neutral-700);
  background-color: var(--neutral-100);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-primary);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--neutral-800);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.25rem); }

p {
  margin-bottom: 1rem;
  font-size: clamp(1rem, 2vw, 1.125rem);
}

/* Bootstrap 5 Overrides */
.btn {
  border: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.75rem 2rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--neutral-100);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--neutral-100);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
  color: var(--neutral-100);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--neutral-100);
}

.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(--neutral-100);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

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

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

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

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

.navbar-brand {
  font-family: var(--font-family-primary);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

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

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

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

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

/* Mobile Menu Toggle */
.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
}

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

.navbar-toggler-icon {
  background-image: none;
  width: 24px;
  height: 2px;
  background: var(--primary-color);
  border-radius: 1px;
  transition: var(--transition);
  position: relative;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--primary-color);
  border-radius: 1px;
  transition: var(--transition);
}

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

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

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
  background: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(rgba(46, 134, 171, 0.7), rgba(46, 134, 171, 0.5));
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  text-align: center;
  color: var(--neutral-100);
  z-index: 2;
}

.hero-title {
  color: var(--neutral-100);
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: 2rem;
  color: var(--neutral-200);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

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

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

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

/* Features/Amenities */
.feature-card {
  text-align: center;
  padding: 2rem;
  background: var(--neutral-100);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--neutral-100);
  font-size: 2rem;
}

/* Room Cards */
.room-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.room-price {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--gold);
  color: var(--neutral-800);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  z-index: 2;
}

/* Testimonials */
.testimonial {
  background: var(--neutral-200);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  position: relative;
  margin-bottom: 2rem;
}

.testimonial::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-color);
  position: absolute;
  top: -10px;
  left: 1rem;
  font-family: var(--font-family-primary);
}

.testimonial-author {
  margin-top: 1rem;
  font-weight: 600;
  color: var(--primary-color);
}

.star-rating {
  color: var(--gold);
  margin: 0.5rem 0;
}

/* Forms */
.form-control {
  border: 2px solid var(--neutral-300);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: var(--transition);
  background: var(--neutral-100);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(46, 134, 171, 0.25);
  outline: none;
}

.form-label {
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: 0.5rem;
}

.form-error {
  color: var(--secondary-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-control.error {
  border-color: var(--secondary-color);
}

.form-control.error + .form-error {
  display: block;
}

/* Footer */
.footer {
  background: var(--neutral-800);
  color: var(--neutral-300);
  padding: 3rem 0 1rem;
}

.footer h5 {
  color: var(--neutral-100);
  margin-bottom: 1.5rem;
}

.footer a {
  color: var(--neutral-300);
  text-decoration: none;
  transition: var(--transition);
}

.footer a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--neutral-600);
  margin-top: 2rem;
  padding-top: 1rem;
  text-align: center;
}

/* 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: var(--transition);
}

.animate-on-scroll.animated {
  animation: fadeInUp 0.8s ease forwards;
}

/* Utility Classes */
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.bg-primary { background: var(--primary-color); }
.bg-secondary { background: var(--secondary-color); }
.bg-light-gray { background: var(--neutral-200); }

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    background-attachment: scroll;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .btn {
    padding: 0.625rem 1.5rem;
  }
  
  .btn-lg {
    padding: 0.75rem 2rem;
  }
  
  .feature-card {
    padding: 1.5rem;
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .hero-content {
    padding: 0 1rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .testimonial {
    padding: 1.5rem;
  }
  
  .footer {
    text-align: center;
  }
}

/* Loading Animation */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--neutral-100);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--neutral-300);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Smooth scrolling for browsers that don't support scroll-behavior */
html {
  scroll-behavior: smooth;
}