/* Modern Industrial Luxury Hotel CSS */

:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --dark-primary: #1A252F;
  --light-primary: #34495E;
  --accent-gold: #F39C12;
  --text-dark: #2C3E50;
  --text-light: #7F8C8D;
  --text-white: #FFFFFF;
  --bg-light: #F8F9FA;
  --bg-dark: #212529;
  --border-color: #BDC3C7;
  --shadow: rgba(44, 62, 80, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Bootstrap 5 Overrides */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 12px 30px;
  border-radius: 2px;
  transition: var(--transition);
}

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

.btn-secondary {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 12px 30px;
  border-radius: 2px;
  transition: var(--transition);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: #C0392B;
  border-color: #C0392B;
  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-color: transparent;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 12px 30px;
  border-radius: 2px;
  transition: var(--transition);
}

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

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--text-white);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

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

h1 {
  font-size: 2.5rem;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.3px;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-dark);
}

/* Navigation */
.navbar {
  background-color: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  transition: var(--transition);
  box-shadow: 0 2px 20px var(--shadow);
}

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

.navbar-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-white);
  text-decoration: none;
  letter-spacing: 1px;
}

.navbar-nav .nav-link {
  color: var(--text-white);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  border-radius: 2px;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--accent-gold);
  background-color: rgba(243, 156, 18, 0.1);
}

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

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

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero {
  background: linear-gradient(
    rgba(44, 62, 80, 0.7),
    rgba(44, 62, 80, 0.7)
  ), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23BDC3C7" width="1200" height="600"/><text x="50%" y="50%" text-anchor="middle" dy=".3em" font-family="Arial" font-size="24" fill="%232C3E50">Hero Background Image</text></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(231, 76, 60, 0.1) 100%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--text-white);
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.5rem;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.3s both;
}

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

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

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

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

.section-dark p {
  color: rgba(255, 255, 255, 0.8);
}

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

/* Cards */
.card {
  border: none;
  border-radius: 8px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: var(--transition);
  overflow: hidden;
  background-color: var(--text-white);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(44, 62, 80, 0.2);
}

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

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

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-text {
  color: var(--text-light);
  line-height: 1.6;
}

/* Forms */
.form-control {
  border: 2px solid var(--border-color);
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--text-white);
}

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

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

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

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

.invalid-feedback {
  color: var(--secondary-color);
  font-size: 0.875rem;
  font-weight: 500;
}

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

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

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

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

.border-primary {
  border-color: var(--primary-color);
}

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

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

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

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

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

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

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

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero {
    background-attachment: scroll;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero .lead {
    font-size: 1.25rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .section {
    padding: 3rem 0;
  }

  .navbar-nav {
    padding: 1rem 0;
  }

  .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
    margin: 0.25rem 0;
  }

  .card-body {
    padding: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero .lead {
    font-size: 1.125rem;
  }

  .btn {
    display: block;
    width: 100%;
    margin: 0.5rem 0;
  }

  h1 {
    font-size: 1.75rem;
  }

  .section {
    padding: 2rem 0;
  }
}

/* High Performance Optimizations */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
}

.container,
.container-fluid {
  transition: var(--transition);
}