/* Hotel Industrial Chic - Complete CSS */

/* CSS Custom Properties */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --accent-color: #34495E;
  --light-gray: #ECF0F1;
  --dark-gray: #7F8C8D;
  --white: #FFFFFF;
  --black: #2C3E50;
  --success-color: #27AE60;
  --warning-color: #F39C12;
  --danger-color: #E74C3C;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
  
  /* Spacing */
  --section-padding: 5rem 0;
  --container-padding: 1rem;
  
  /* Shadows */
  --shadow-light: 0 2px 10px rgba(44, 62, 80, 0.1);
  --shadow-medium: 0 8px 30px rgba(44, 62, 80, 0.15);
  --shadow-heavy: 0 15px 50px rgba(44, 62, 80, 0.2);
  
  /* Border Radius */
  --border-radius: 8px;
  --border-radius-lg: 12px;
}

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

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

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

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  border-color: var(--primary-color);
  color: var(--white);
  box-shadow: var(--shadow-light);
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
  border-color: var(--accent-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

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

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--white);
}

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

/* Card Overrides */
.card {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

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

.card-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--white);
  border-bottom: none;
  padding: 1.5rem;
}

/* Form Overrides */
.form-control {
  border: 2px solid rgba(44, 62, 80, 0.1);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
  background-color: rgba(236, 240, 241, 0.3);
}

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

.form-control.is-valid {
  border-color: var(--success-color);
}

.form-control.is-invalid {
  border-color: var(--danger-color);
}

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

h1 {
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: -1px;
}

h2 {
  font-size: 2.75rem;
  font-weight: 400;
}

h3 {
  font-size: 2rem;
}

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

.lead {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--dark-gray);
}

/* Header Styles */
.navbar {
  background: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  padding: 1rem 0;
  box-shadow: var(--shadow-light);
}

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

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

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--white);
  background-color: rgba(231, 76, 60, 0.2);
}

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

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

/* Hero Section */
.hero-section {
  height: 100vh;
  background: linear-gradient(rgba(44, 62, 80, 0.7), rgba(44, 62, 80, 0.5)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 40%, rgba(231, 76, 60, 0.1) 50%, transparent 60%);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 4rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.5s forwards;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.8s forwards;
}

.hero-cta {
  opacity: 0;
  animation: fadeInUp 1s ease-out 1.1s forwards;
}

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

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
  font-size: 2rem;
  opacity: 0.7;
  animation: bounce 2s infinite;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
  opacity: 1;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* Section Styles */
.section {
  padding: var(--section-padding);
  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: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
  border-radius: 2px;
}

/* About Section */
.about-section {
  background-color: var(--light-gray);
}

.about-image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  position: relative;
}

.about-image img {
  transition: transform 0.5s ease;
}

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

/* Features Grid */
.feature-card {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.feature-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
  color: var(--primary-color);
}

/* Rooms Section */
.rooms-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--white);
}

.rooms-section .section-title,
.rooms-section .section-title::after {
  color: var(--white);
}

.rooms-section .section-title::after {
  background: linear-gradient(90deg, var(--secondary-color), var(--white));
}

.room-card {
  background: var(--white);
  color: var(--primary-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.room-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-heavy);
}

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

.room-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.room-price {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(231, 76, 60, 0.9);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  backdrop-filter: blur(5px);
}

.room-content {
  padding: 2rem;
}

.room-amenities {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.room-amenities li {
  background: rgba(44, 62, 80, 0.1);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Contact Section */
.contact-section {
  background-color: var(--light-gray);
}

.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
}

.contact-info {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--white);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
}

.contact-info::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(231, 76, 60, 0.3) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.1); opacity: 0.6; }
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  position: relative;
  z-index: 2;
}

.contact-item i {
  font-size: 1.5rem;
  margin-right: 1rem;
  color: var(--secondary-color);
  width: 2rem;
  text-align: center;
}

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

.footer-content {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.footer-section h5 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-family: var(--font-primary);
  font-weight: 600;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-radius: 50%;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Loading Animation */
.loading-spinner {
  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); }
}

/* Validation Styles */
.invalid-feedback {
  display: block;
  color: var(--danger-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.valid-feedback {
  display: block;
  color: var(--success-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease;
}

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

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease;
}

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

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(44, 62, 80, 0.98);
  backdrop-filter: blur(10px);
  z-index: 9999;
  transition: left 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

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

.mobile-menu .nav-link {
  font-size: 1.5rem;
  margin: 1rem 0;
  color: var(--white);
  text-decoration: none;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.mobile-menu.active .nav-link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu .nav-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu .nav-link:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu .nav-link:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu .nav-link:nth-child(4) { transition-delay: 0.4s; }
.mobile-menu .nav-link:nth-child(5) { transition-delay: 0.5s; }

/* Responsive Design */
@media (max-width: 1199.98px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .contact-form,
  .contact-info {
    padding: 2rem;
  }
}

@media (max-width: 991.98px) {
  :root {
    --section-padding: 4rem 0;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .feature-card {
    margin-bottom: 2rem;
  }
  
  .room-card {
    margin-bottom: 2rem;
  }
}

@media (max-width: 767.98px) {
  :root {
    --section-padding: 3rem 0;
  }
  
  .hero-section {
    height: 80vh;
    background-attachment: scroll;
  }
  
  .hero-title {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.8rem;
  }
  
  .contact-form,
  .contact-info {
    padding: 1.5rem;
    margin-bottom: 2rem;
  }
  
  .navbar-brand {
    font-size: 1.5rem;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
}

@media (max-width: 575.98px) {
  :root {
    --container-padding: 0.5rem;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .feature-card {
    padding: 1.5rem;
  }
  
  .room-content {
    padding: 1.5rem;
  }
  
  .room-amenities {
    gap: 0.25rem;
  }
  
  .room-amenities li {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .footer-section {
    text-align: center;
    margin-bottom: 2rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .scroll-indicator,
  .btn,
  .mobile-menu {
    display: none;
  }
  
  .hero-section {
    height: auto;
    padding: 2rem 0;
    background: none;
    color: var(--primary-color);
  }
  
  .section {
    padding: 1rem 0;
  }
  
  * {
    box-shadow: none;
    animation: none;
    transition: none;
  }
}