/* Industrial Luxury Hotel Theme - CSS */

/* CSS Custom Properties */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E67E22;
  --primary-light: #34495E;
  --primary-dark: #1A252F;
  --secondary-light: #F39C12;
  --secondary-dark: #D35400;
  --accent-gold: #F1C40F;
  --text-light: #ECF0F1;
  --text-dark: #2C3E50;
  --text-muted: #7F8C8D;
  --bg-light: #F8F9FA;
  --bg-dark: #212529;
  --border-light: #E9ECEF;
  --shadow-soft: 0 2px 15px rgba(44, 62, 80, 0.1);
  --shadow-medium: 0 5px 25px rgba(44, 62, 80, 0.15);
  --shadow-hard: 0 10px 40px rgba(44, 62, 80, 0.2);
  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', serif;
  --container-padding: 2rem;
  --border-radius: 8px;
  --border-radius-lg: 12px;
}

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

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
}

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);
}

p {
  margin-bottom: 1.25rem;
  font-size: 1.1rem;
  line-height: 1.7;
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--text-muted);
}

/* Bootstrap 5 Overrides */
.container-fluid {
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Buttons */
.btn {
  font-family: var(--font-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 30px;
  border-radius: var(--border-radius);
  border: none;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.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 var(--transition-medium);
}

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

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

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

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

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

.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(--text-light);
  transform: translateY(-2px);
}

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

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

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

.card-body {
  padding: 2rem;
}

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

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

.navbar.scrolled {
  background: rgba(44, 62, 80, 0.98);
  padding: 0.5rem 0;
  box-shadow: var(--shadow-medium);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-light);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.navbar-brand:hover {
  color: var(--secondary-color);
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  color: var(--text-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.75rem 1.25rem;
  margin: 0 0.25rem;
  border-radius: var(--border-radius);
  transition: all 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: all var(--transition-medium);
  transform: translateX(-50%);
}

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

.navbar-nav .nav-link:hover {
  color: var(--secondary-color);
  background: rgba(255, 255, 255, 0.1);
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
}

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

.navbar-toggler-icon {
  background-image: none;
  width: 24px;
  height: 3px;
  background: var(--text-light);
  border-radius: 2px;
  position: relative;
  transition: all var(--transition-medium);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 3px;
  background: var(--text-light);
  border-radius: 2px;
  transition: all var(--transition-medium);
}

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

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

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.8), rgba(230, 126, 34, 0.3)),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080" fill="%23f8f9fa"><rect width="1920" height="1080" fill="%232C3E50"/><path d="M0,540L48,520C96,500,192,460,288,450C384,440,480,460,576,470C672,480,768,480,864,470C960,460,1056,440,1152,430C1248,420,1344,420,1392,420L1440,420L1440,1080L1392,1080C1344,1080,1248,1080,1152,1080C1056,1080,960,1080,864,1080C768,1080,672,1080,576,1080C480,1080,384,1080,288,1080C192,1080,96,1080,48,1080L0,1080Z" fill="%23E67E22" fill-opacity="0.3"/></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-light);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 
    var(--primary-color) 0%, 
    transparent 50%, 
    var(--secondary-color) 100%);
  opacity: 0.1;
  animation: heroShine 10s ease-in-out infinite;
}

@keyframes heroShine {
  0%, 100% { opacity: 0.1; }
  50% { opacity: 0.2; }
}

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

@keyframes heroFadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  color: var(--text-light);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 1.5rem;
  animation: heroSlideIn 1s ease-out 0.3s both;
}

@keyframes heroSlideIn {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero .lead {
  color: var(--text-light);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  margin-bottom: 2rem;
  animation: heroSlideIn 1s ease-out 0.6s both;
}

.hero .btn {
  animation: heroSlideIn 1s ease-out 0.9s both;
  margin: 0.5rem;
}

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

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

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

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

.section-accent h1,
.section-accent h2,
.section-accent h3,
.section-accent h4,
.section-accent h5,
.section-accent h6 {
  color: white;
}

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

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

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

.form-select {
  border: 2px solid var(--border-light);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: all var(--transition-medium);
}

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

.invalid-feedback {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.was-validated .form-control:invalid {
  border-color: #dc3545;
}

.was-validated .form-control:valid {
  border-color: #28a745;
}

/* Industrial Elements */
.industrial-accent {
  position: relative;
}

.industrial-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--secondary-color), var(--secondary-dark));
  border-radius: 2px;
}

.metal-texture {
  background: linear-gradient(45deg, 
    rgba(44, 62, 80, 0.05) 25%, 
    transparent 25%, 
    transparent 75%, 
    rgba(44, 62, 80, 0.05) 75%),
  linear-gradient(45deg, 
    rgba(44, 62, 80, 0.05) 25%, 
    transparent 25%, 
    transparent 75%, 
    rgba(44, 62, 80, 0.05) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
}

/* 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: all var(--transition-slow);
}

.animate-on-scroll.animate {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-on-scroll.animate-left {
  animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-on-scroll.animate-right {
  animation: fadeInRight 0.6s ease-out forwards;
}

/* Utility Classes */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.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));
}

.shadow-custom {
  box-shadow: var(--shadow-medium);
}

.border-custom {
  border: 1px solid var(--border-light);
}

.rounded-custom {
  border-radius: var(--border-radius-lg);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(44, 62, 80, 0.1);
  border-left: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }
  
  .hero {
    background-attachment: scroll;
    min-height: 90vh;
  }
  
  .hero-content {
    padding: 1rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .navbar-collapse {
    background: rgba(44, 62, 80, 0.98);
    margin-top: 1rem;
    border-radius: var(--border-radius);
    padding: 1rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 0.5rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  .hero {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
    color: black;
    background: white;
  }
  
  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }
}