/* Modern Arctic Luxury Hotel - CSS */

/* Root Variables */
:root {
  --primary-color: #1E3A8A;
  --secondary-color: #F0F9FF;
  --accent-color: #3B82F6;
  --text-dark: #1F2937;
  --text-light: #6B7280;
  --text-white: #FFFFFF;
  --gradient-primary: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
  --gradient-secondary: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
  --shadow-light: 0 4px 6px -1px rgba(30, 58, 138, 0.1);
  --shadow-medium: 0 10px 15px -3px rgba(30, 58, 138, 0.1);
  --shadow-heavy: 0 25px 50px -12px rgba(30, 58, 138, 0.25);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--secondary-color);
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

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

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-light);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  color: var(--text-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-white);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--secondary-color);
  color: var(--primary-color);
  border: 1px solid rgba(30, 58, 138, 0.2);
}

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

.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

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

.form-control, .form-select {
  border: 2px solid rgba(30, 58, 138, 0.1);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-medium);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
}

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

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary-color);
  background: var(--secondary-color);
}

/* Mobile Menu */
.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
}

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

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(30, 58, 138, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu-overlay.show {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  padding: 2rem;
}

.mobile-menu .nav-link {
  color: var(--text-white);
  font-size: 1.5rem;
  margin: 1rem 0;
  text-decoration: none;
  transition: var(--transition);
}

.mobile-menu .nav-link:hover {
  color: var(--secondary-color);
  transform: translateX(10px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(rgba(30, 58, 138, 0.7), rgba(30, 58, 138, 0.7)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 600"><defs><linearGradient id="bg" x1="0" y1="0" x2="1" y2="1"><stop offset="0%" stop-color="%23E0F2FE"/><stop offset="100%" stop-color="%23F0F9FF"/></linearGradient></defs><rect width="1000" height="600" fill="url(%23bg)"/><polygon points="0,400 300,350 600,380 1000,320 1000,600 0,600" fill="white" opacity="0.3"/><circle cx="800" cy="150" r="80" fill="white" opacity="0.1"/><circle cx="200" cy="250" r="60" fill="white" opacity="0.1"/></svg>') center/cover;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
  animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.7; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--text-white);
}

.hero h1 {
  color: var(--text-white);
  background: none;
  -webkit-text-fill-color: var(--text-white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: var(--secondary-color);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .btn {
  animation: fadeInUp 1s ease-out 0.4s both;
  margin: 0.5rem;
}

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

/* Floating Elements */
.floating-element {
  position: absolute;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-element:nth-child(2) {
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.floating-element:nth-child(3) {
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}

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

.section-alt {
  background: linear-gradient(135deg, rgba(240, 249, 255, 0.5) 0%, rgba(224, 242, 254, 0.3) 100%);
}

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

.section-subtitle {
  color: var(--text-light);
  font-size: 1.2rem;
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* Room Cards */
.room-card {
  position: relative;
  overflow: hidden;
  height: 400px;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
}

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

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

.room-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(30, 58, 138, 0.9));
  color: var(--text-white);
  padding: 2rem;
  transform: translateY(50%);
  transition: var(--transition);
}

.room-card:hover .room-overlay {
  transform: translateY(0);
}

.room-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
}

/* Amenities */
.amenity-item {
  text-align: center;
  padding: 2rem 1rem;
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  height: 100%;
}

.amenity-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-medium);
  background: rgba(255, 255, 255, 0.95);
}

.amenity-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--text-white);
}

/* Contact Form */
.contact-form {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

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

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

.form-error {
  color: #EF4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-control.error {
  border-color: #EF4444;
}

.form-control.success {
  border-color: #10B981;
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--text-white);
  animation: spin 1s ease-in-out infinite;
}

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

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

.footer h5 {
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  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: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Scroll to Top */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--text-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

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

.scroll-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

/* Responsive Design */
@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    min-height: 80vh;
    padding: 2rem 0;
  }
  
  .contact-form {
    padding: 2rem 1rem;
  }
  
  .btn {
    padding: 0.625rem 1.5rem;
    font-size: 0.95rem;
  }
  
  .room-overlay {
    padding: 1.5rem;
  }
  
  .amenity-item {
    padding: 1.5rem 1rem;
  }
  
  .amenity-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .hero-content {
    padding: 1rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .room-card {
    height: 300px;
  }
  
  .scroll-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .scroll-to-top,
  .floating-element {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .hero {
    background: none;
    color: black;
    min-height: auto;
  }
}