/* Industrial Luxury Storm Hotel Theme CSS */

:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --dark-primary: #1a252f;
  --light-primary: #34495e;
  --dark-secondary: #c0392b;
  --light-secondary: #ec7063;
  --storm-gray: #95a5a6;
  --storm-light: #bdc3c7;
  --storm-dark: #7f8c8d;
  --accent-gold: #f39c12;
  --text-light: #ecf0f1;
  --text-dark: #2c3e50;
  --bg-light: #f8f9fa;
  --bg-overlay: rgba(44, 62, 80, 0.9);
  --shadow-primary: 0 8px 32px rgba(44, 62, 80, 0.3);
  --shadow-secondary: 0 4px 16px rgba(231, 76, 60, 0.2);
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: all 0.2s ease;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
  overflow-x: hidden;
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-light);
  letter-spacing: -0.02em;
}

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

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

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--storm-dark);
}

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

/* Bootstrap 5 Overrides */
.container {
  max-width: 1400px;
}

.btn {
  padding: 12px 32px;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.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;
  z-index: -1;
}

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

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

.btn-primary:hover {
  background: linear-gradient(135deg, var(--dark-primary), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(44, 62, 80, 0.4);
}

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

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--dark-secondary), var(--secondary-color));
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(231, 76, 60, 0.4);
}

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

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

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

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(44, 62, 80, 0.2);
}

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

.card-body {
  padding: 2rem;
}

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

.navbar.scrolled {
  background: var(--primary-color) !important;
  box-shadow: var(--shadow-primary);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: white !important;
  text-decoration: none;
  transition: var(--transition-fast);
}

.navbar-brand:hover {
  color: var(--accent-gold) !important;
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  color: var(--text-light) !important;
  font-weight: var(--font-weight-medium);
  margin: 0 0.5rem;
  padding: 0.75rem 1rem !important;
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
  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-fast);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover {
  color: white !important;
  background: rgba(255, 255, 255, 0.1);
}

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

.navbar-nav .nav-link.active {
  color: var(--accent-gold) !important;
}

.navbar-nav .nav-link.active::after {
  width: 80%;
  background: var(--accent-gold);
}

/* 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: white;
  border-radius: 2px;
  position: relative;
  transition: var(--transition-fast);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition-fast);
}

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

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

.navbar-toggler.collapsed .navbar-toggler-icon {
  background: transparent;
}

.navbar-toggler.collapsed .navbar-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler.collapsed .navbar-toggler-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--bg-overlay), rgba(231, 76, 60, 0.7));
  z-index: 1;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://images.unsplash.com/photo-1566073771259-6a8506099945') center/cover no-repeat;
  animation: slowZoom 20s ease-in-out infinite alternate;
}

@keyframes slowZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
  animation: fadeInUp 1s ease-out;
}

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

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

.hero .lead {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1.4rem;
}

/* Storm Animation */
.storm-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.lightning {
  position: absolute;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--accent-gold), transparent);
  opacity: 0;
  animation: lightning 3s infinite;
}

@keyframes lightning {
  0%, 90%, 100% { opacity: 0; }
  5%, 10% { opacity: 1; }
}

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

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-gold));
  border-radius: 2px;
}

.bg-industrial {
  background: linear-gradient(135deg, var(--storm-light), var(--bg-light));
  position: relative;
}

.bg-industrial::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 1px 1px, rgba(44, 62, 80, 0.1) 1px, transparent 0);
  background-size: 20px 20px;
  opacity: 0.3;
}

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

.room-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(44, 62, 80, 0.3);
}

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

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

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

/* Forms */
.form-floating {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-control {
  border: 2px solid var(--storm-light);
  border-radius: var(--border-radius);
  padding: 1rem;
  font-size: 1rem;
  transition: var(--transition-fast);
  background: white;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.25);
  outline: none;
}

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

.form-select {
  border: 2px solid var(--storm-light);
  border-radius: var(--border-radius);
  padding: 1rem;
  transition: var(--transition-fast);
}

.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.25);
}

.invalid-feedback {
  color: var(--secondary-color);
  font-weight: var(--font-weight-medium);
}

.is-invalid {
  border-color: var(--secondary-color) !important;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--dark-primary), var(--primary-color));
  color: var(--text-light);
  padding: 3rem 0 1rem;
  margin-top: 5rem;
}

.footer h5 {
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
  font-weight: var(--font-weight-bold);
}

.footer a {
  color: var(--storm-light);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer a:hover {
  color: var(--accent-gold);
  text-decoration: underline;
}

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

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-storm { color: var(--storm-gray) !important; }
.text-gold { color: var(--accent-gold) !important; }

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

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

.shadow-primary { box-shadow: var(--shadow-primary); }
.shadow-secondary { box-shadow: var(--shadow-secondary); }

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition-smooth);
}

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

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition-smooth);
}

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

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

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

/* Responsive Design */
@media (max-width: 1200px) {
  .container {
    max-width: 100%;
    padding: 0 2rem;
  }
}

@media (max-width: 992px) {
  .section {
    padding: 3rem 0;
  }
  
  .hero-content {
    padding: 1rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.5rem 0;
  }
  
  .navbar-collapse {
    background: var(--primary-color);
    margin-top: 1rem;
    border-radius: var(--border-radius);
    padding: 1rem;
  }
  
  .hero {
    height: 70vh;
    min-height: 600px;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .room-card .card-img-top {
    height: 200px;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero {
    height: 60vh;
    min-height: 500px;
  }
  
  .hero-content {
    padding: 0.5rem;
  }
  
  .section {
    padding: 1.5rem 0;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .hero,
  .storm-effect,
  .btn {
    display: none !important;
  }
  
  body {
    font-size: 12px;
    line-height: 1.4;
    color: black;
  }
  
  .section {
    padding: 1rem 0;
  }
}