/* ===================================
   CSS CUSTOM PROPERTIES & DESIGN TOKENS
   =================================== */

:root {
  /* Color Palette - Dark Elegant Theme */
  --color-primary: #1a1a2e;
  --color-secondary: #16213e;
  --color-accent: #d4af37;
  --color-accent-light: #f4e4b8;
  --color-accent-dark: #b8941f;
  --color-text-primary: #ffffff;
  --color-text-secondary: #e0e0e0;
  --color-text-muted: #a0a0a0;
  --color-background: #0f0f1e;
  --color-card-bg: rgba(26, 26, 46, 0.8);
  --color-overlay: rgba(0, 0, 0, 0.7);

  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

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

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

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

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 30, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.header.hidden {
  transform: translateY(-100%);
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-normal);
}

.nav-links a:hover {
  color: var(--color-accent);
}

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom,
      rgba(0, 0, 0, 0.4),
      rgba(15, 15, 30, 0.8));
  z-index: -1;
}

.hero-content {
  max-width: 900px;
  padding: var(--spacing-md);
  animation: fadeInUp 1s ease;
}

.hero-title {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.5);
}

/* ===================================
   SECTION STYLES
   =================================== */

.section {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.section-description {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

/* ===================================
   ABOUT SECTION
   =================================== */

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-text h3 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.feature-item:hover {
  transform: translateX(5px);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
}

/* ===================================
   ROOMS SECTION
   =================================== */

.room-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  background: var(--color-card-bg);
  color: var(--color-text-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.room-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.room-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.room-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.room-info {
  padding: var(--spacing-md);
}

.room-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--spacing-sm);
}

.room-name {
  font-size: 1.5rem;
  color: var(--color-text-primary);
}

.room-price {
  font-size: 1.8rem;
  color: var(--color-accent);
  font-weight: 700;
  font-family: var(--font-heading);
}

.price-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.room-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.room-amenities {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.amenity-tag {
  padding: 0.4rem 0.8rem;
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-accent-light);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.view-details-btn {
  width: 100%;
  padding: 0.75rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-primary);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.view-details-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
}

/* ===================================
   AMENITIES SECTION
   =================================== */

.amenities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.amenity-card {
  background: var(--color-card-bg);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(212, 175, 55, 0.1);
  transition: all var(--transition-normal);
}

.amenity-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.amenity-icon {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.amenity-card h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.amenity-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-top: 0.2rem;
}

.contact-details h3 {
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

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

.contact-form {
  background: var(--color-card-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-accent-light);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
  background: var(--color-primary);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  display: block;
}

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

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.social-link i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.social-link:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  color: var(--color-text-muted);
}

/* ===================================
   MODAL
   =================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  animation: fadeIn 0.3s ease;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s ease;
}

.modal-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 40px;
  height: 40px;
  background: rgba(212, 175, 55, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.5rem;
  transition: all var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  transform: rotate(90deg);
}

.modal-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--spacing-md);
}

.modal-title {
  font-size: 2rem;
  color: var(--color-text-primary);
}

.modal-price {
  font-size: 2.5rem;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
}

.modal-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.modal-amenities {
  margin-bottom: var(--spacing-md);
}

.modal-amenities h3 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.amenities-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
}

.amenities-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
}

.amenities-list li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: bold;
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in.visible {
  opacity: 1;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(15, 15, 30, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: left var(--transition-normal);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .about-content,
  .contact-container {
    grid-template-columns: 1fr;
  }

  .rooms-grid {
    grid-template-columns: 1fr;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .modal-content {
    margin: var(--spacing-sm);
  }

  .modal-image {
    height: 250px;
  }
}

@media (max-width: 480px) {
  .room-header {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .amenities-list {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* ===================================
   UTILITY CLASSES
   =================================== */

.text-center {
  text-align: center;
}

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

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}