/* Industrial Luxury Hotel Theme - CSS */

/* Root Variables */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --accent-color: #F39C12;
  --light-gray: #BDC3C7;
  --dark-gray: #34495E;
  --white: #FFFFFF;
  --off-white: #F8F9FA;
  --black: #1A1A1A;
  --shadow: rgba(44, 62, 80, 0.15);
  --shadow-dark: rgba(44, 62, 80, 0.25);
  --transition: all 0.3s ease;
  --border-radius: 8px;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--primary-color);
  background-color: var(--white);
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.3;
  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, 2.25rem);
}

p {
  margin-bottom: 1rem;
  font-weight: 400;
  color: var(--dark-gray);
}

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

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

/* Bootstrap 5 Overrides */
.btn {
  font-family: var(--font-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius);
  padding: 0.75rem 2rem;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(44, 62, 80, 0.3);
  color: var(--white);
}

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

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

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

.btn-secondary:hover {
  background-color: var(--dark-gray);
  border-color: var(--dark-gray);
  color: var(--white);
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: 0 8px 30px var(--shadow);
  transition: var(--transition);
  overflow: hidden;
  background: var(--white);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px var(--shadow-dark);
}

.card-header {
  background: linear-gradient(135deg, var(--primary-color), var(--dark-gray));
  color: var(--white);
  border-bottom: none;
  padding: 1.5rem;
}

.card-body {
  padding: 2rem;
}

/* Forms */
.form-control {
  border: 2px solid var(--light-gray);
  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(231, 76, 60, 0.25);
  background-color: var(--white);
}

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

.form-select {
  border: 2px solid var(--light-gray);
  border-radius: var(--border-radius);
}

.form-select:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25);
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(44, 62, 80, 0.1);
  padding: 1rem 0;
  transition: var(--transition);
}

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

.navbar-brand {
  font-family: var(--font-secondary);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

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

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

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 100%;
  left: 0;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(rgba(44, 62, 80, 0.7), rgba(52, 73, 94, 0.7));
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="industrial" patternUnits="userSpaceOnUse" width="20" height="20"><rect width="20" height="20" fill="none"/><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23industrial)"/></svg>') repeat;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 1.25rem;
  color: var(--light-gray);
  margin-bottom: 2rem;
}

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

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
  color: var(--white);
}

.section-dark p {
  color: var(--light-gray);
}

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

/* Room Cards */
.room-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 8px 30px var(--shadow);
  transition: var(--transition);
  margin-bottom: 2rem;
}

.room-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px var(--shadow-dark);
}

.room-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.room-card:hover img {
  transform: scale(1.1);
}

.room-card-body {
  padding: 2rem;
}

.room-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary-color);
  font-family: var(--font-secondary);
}

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

.amenity-item:hover .amenity-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 25px rgba(231, 76, 60, 0.4);
}

/* Gallery */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover::after {
  opacity: 0.7;
}

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

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

.footer a {
  color: var(--light-gray);
  transition: var(--transition);
}

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

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

/* 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;
  animation-duration: 0.8s;
  animation-fill-mode: forwards;
}

.animate-on-scroll.animate {
  animation-name: fadeInUp;
}

.animate-left.animate {
  animation-name: fadeInLeft;
}

.animate-right.animate {
  animation-name: fadeInRight;
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--light-gray);
  border-radius: 50%;
  border-top-color: var(--secondary-color);
  animation: spin 1s linear infinite;
}

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(231, 76, 60, 0.3);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(44, 62, 80, 0.4);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hero {
    background-attachment: scroll;
    padding: 2rem 0;
  }
  
  .hero-content {
    padding: 1rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .navbar-collapse {
    background: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    box-shadow: 0 8px 30px var(--shadow);
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 576px) {
  :root {
    --border-radius: 6px;
  }
  
  .container-fluid {
    padding: 0 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .room-card-body {
    padding: 1rem;
  }
  
  .amenity-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
  
  .gallery-item img {
    height: 200px;
  }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero {
    background-image: url('hero-bg@2x.jpg');
  }
}

/* Print Styles */
@media print {
  .navbar,
  .back-to-top,
  .btn {
    display: none;
  }
  
  .hero {
    background: var(--primary-color);
    color: var(--white);
    min-height: auto;
    padding: 2rem 0;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
}