/* Modern Luxury Hotel Website CSS */

:root {
  --primary-color: #2c3e50;
  --secondary-color: #e74c3c;
  --accent-gold: #f39c12;
  --light-gray: #ecf0f1;
  --dark-gray: #7f8c8d;
  --white: #ffffff;
  --black: #2c2c2c;
  --shadow-light: rgba(44, 62, 80, 0.1);
  --shadow-medium: rgba(44, 62, 80, 0.2);
  --shadow-dark: rgba(44, 62, 80, 0.3);
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, #c0392b 100%);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease;
  --border-radius: 8px;
  --border-radius-lg: 16px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--black);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

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

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: 1.5rem;
  color: var(--dark-gray);
  font-size: 1.1rem;
}

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

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

/* Bootstrap 5 Overrides */
.btn {
  font-weight: 500;
  border-radius: var(--border-radius);
  padding: 0.75rem 2rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition-smooth);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gradient-primary);
  border-color: var(--primary-color);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-medium);
}

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

.btn-secondary:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(231, 76, 60, 0.3);
}

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

.btn-outline-primary:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
}

.card {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 5px 15px var(--shadow-light);
  transition: var(--transition-smooth);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px var(--shadow-medium);
}

.card-body {
  padding: 2rem;
}

/* Navigation */
.navbar {
  padding: 1rem 0;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px var(--shadow-light);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 2px 20px var(--shadow-medium);
}

.navbar-brand {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

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

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--secondary-color);
  background: rgba(231, 76, 60, 0.1);
}

.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
}

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

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(rgba(44, 62, 80, 0.4), rgba(44, 62, 80, 0.6));
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero .btn {
  animation: fadeInUp 1s ease-out 0.6s both;
  margin: 0 0.5rem;
}

/* Booking Form */
.booking-form {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px var(--shadow-medium);
  margin-top: -80px;
  position: relative;
  z-index: 3;
}

.form-control {
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.15);
}

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

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

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

.section-title h2 {
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--secondary-color);
  border-radius: 2px;
}

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

.room-card-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.room-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.room-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(44, 62, 80, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}

.room-card:hover .room-card-overlay {
  opacity: 1;
}

.room-price {
  background: var(--secondary-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.1rem;
}

/* Amenities */
.amenity-item {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  transition: var(--transition-smooth);
  background: var(--white);
  box-shadow: 0 5px 15px var(--shadow-light);
  height: 100%;
}

.amenity-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px var(--shadow-medium);
}

.amenity-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
}

/* Testimonials */
.testimonial {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 5px 15px var(--shadow-light);
  position: relative;
}

.testimonial::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary-color);
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-secondary);
}

.testimonial-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  border: 3px solid var(--accent-gold);
}

/* Contact Form */
.contact-form {
  background: var(--light-gray);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
}

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

.invalid-feedback {
  display: block;
  color: var(--secondary-color);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

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

.footer h5 {
  color: var(--white);
  margin-bottom: 1rem;
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin-top: 2rem;
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background: var(--white);
  z-index: 9999;
  transition: var(--transition-smooth);
  padding: 2rem;
}

.mobile-menu.active {
  left: 0;
}

.mobile-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--primary-color);
  cursor: pointer;
}

.mobile-menu-nav {
  margin-top: 4rem;
}

.mobile-menu-nav a {
  display: block;
  padding: 1rem 0;
  font-size: 1.2rem;
  color: var(--primary-color);
  border-bottom: 1px solid #eee;
}

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

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.fade-in-down {
  animation: fadeInDown 0.8s ease-out;
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

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

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

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-nav {
    text-align: center;
    padding-top: 1rem;
  }
  
  .navbar-nav .nav-link {
    margin: 0.25rem 0;
  }
  
  .hero {
    padding: 2rem 0;
    min-height: 70vh;
  }
  
  .booking-form {
    margin-top: 2rem;
    padding: 1.5rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .room-card-image {
    height: 200px;
  }
}

@media (max-width: 767.98px) {
  .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    margin: 0.25rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .booking-form {
    padding: 1rem;
  }
  
  .contact-form {
    padding: 2rem 1rem;
  }
  
  .amenity-item {
    padding: 1.5rem;
  }
  
  .amenity-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .hero {
    padding: 1rem 0;
    min-height: 60vh;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .testimonial {
    padding: 1.5rem;
  }
}

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

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

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

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

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

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

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

.shadow-sm {
  box-shadow: 0 2px 10px var(--shadow-light);
}

.shadow {
  box-shadow: 0 5px 15px var(--shadow-light);
}

.shadow-lg {
  box-shadow: 0 15px 35px var(--shadow-medium);
}