/* Modern Luxury Hotel Website CSS */

/* Custom Properties */
:root {
  --primary-color: #D32F2F;
  --secondary-color: #FFC107;
  --primary-dark: #B71C1C;
  --secondary-dark: #FFA000;
  --light-gray: #F5F5F5;
  --medium-gray: #757575;
  --dark-gray: #424242;
  --white: #FFFFFF;
  --black: #000000;
  --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
  --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
  --shadow-heavy: 0 8px 30px rgba(0,0,0,0.25);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

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

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--black);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

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

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

p {
  margin-bottom: 1rem;
  font-size: clamp(0.9rem, 2vw, 1.1rem);
}

/* Bootstrap 5 Overrides */
.btn {
  border-radius: 0;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 30px;
  transition: var(--transition-smooth);
  border: none;
  font-size: 0.9rem;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

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

/* Navigation */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(211, 47, 47, 0.1);
  padding: 1rem 0;
  transition: var(--transition-smooth);
}

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

.navbar-brand {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.navbar-brand:hover {
  color: var(--primary-dark);
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--dark-gray);
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: var(--transition-smooth);
  position: relative;
}

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

.navbar-nav .nav-link.active {
  color: var(--primary-color);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

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

.navbar-toggler {
  border: none;
  padding: 0;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  width: 25px;
  height: 20px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--dark-gray);
  margin: 2px 0;
  transition: var(--transition-smooth);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero-section {
  height: 100vh;
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%23f5f5f5" width="1200" height="800"/><text x="50%25" y="50%25" font-size="48" fill="%23757575" text-anchor="middle" dy=".3em">Hero Background</text></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
}

.hero-content {
  z-index: 2;
  max-width: 800px;
  padding: 0 1rem;
}

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

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-cta {
  animation: fadeInUp 1s ease-out 0.6s both;
}

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

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

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

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

.section-primary h1,
.section-primary h2,
.section-primary h3,
.section-primary h4,
.section-primary h5,
.section-primary h6 {
  color: var(--white);
}

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

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--secondary-color);
  margin: 1rem auto;
}

/* Cards */
.card {
  border: none;
  border-radius: 8px;
  box-shadow: var(--shadow-light);
  transition: var(--transition-smooth);
  overflow: hidden;
}

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

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

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

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--black);
  margin-bottom: 1rem;
}

.card-text {
  color: var(--medium-gray);
}

/* Forms */
.form-control {
  border: 2px solid #e0e0e0;
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(211, 47, 47, 0.25);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--dark-gray);
}

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

.form-error {
  color: var(--primary-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

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

.form-success {
  border: 2px solid #4CAF50;
  background-color: rgba(76, 175, 80, 0.1);
  color: #2E7D32;
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  display: none;
}

/* Gallery */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: 2rem;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(211, 47, 47, 0.8);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

/* Testimonials */
.testimonial {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow-light);
  margin-bottom: 2rem;
}

.testimonial-text {
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--medium-gray);
}

.testimonial-author {
  font-weight: 600;
  color: var(--black);
}

.testimonial-title {
  color: var(--medium-gray);
  font-size: 0.9rem;
}

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

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

.footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 1rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* 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 {
  animation: fadeIn 0.8s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* 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);
}

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

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    background-attachment: scroll;
    height: 80vh;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .navbar-nav {
    text-align: center;
    padding-top: 1rem;
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
  }
  
  .gallery-item img {
    height: 250px;
  }
}

@media (max-width: 576px) {
  .section {
    padding: 2rem 0;
  }
  
  .hero-content {
    padding: 0 1rem;
  }
  
  .card {
    margin-bottom: 2rem;
  }
  
  .testimonial {
    padding: 1.5rem;
  }
}