:root {
  /* Colors */
  --bg-primary: #0E0E0E;
  --bg-secondary: #1A1A1A;
  --bg-light: #F9FAFB;
  --accent-gold-start: #D4AF37;
  --accent-gold-end: #F6E27A;
  --accent-gradient: linear-gradient(135deg, var(--accent-gold-start), var(--accent-gold-end));
  
  --text-primary: #FFFFFF;
  --text-secondary: #D1D5DB;
  --text-muted: #9CA3AF;
  --text-dark: #1A1A1A;

  /* Glass UI */
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(212, 175, 55, 0.2);
  --glass-border-hover: rgba(212, 175, 55, 0.5);

  /* Spacing */
  --section-spacing-desktop: 120px;
  --section-spacing-tablet: 80px;
  --section-spacing-mobile: 60px;
  
  --container-padding-desktop: 40px;
  --container-padding-tablet: 30px;
  --container-padding-mobile: 20px;

  /* Grid Gaps */
  --gap-desktop: 30px;
  --gap-tablet: 20px;
  --gap-mobile: 16px;

  /* Fonts */
  --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-heading: 'Didot', 'Playfair Display', serif;
}

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; line-height: 1.1; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
p { color: var(--text-secondary); margin-bottom: 1rem; }

.text-gold {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Layout System */
.container {
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--container-padding-desktop);
}

.grid {
  display: grid;
  gap: var(--gap-desktop);
}

.grid-12 { grid-template-columns: repeat(12, 1fr); }
.col-span-12 { grid-column: span 12; }
.col-span-6 { grid-column: span 6; }
.col-span-4 { grid-column: span 4; }
.col-span-8 { grid-column: span 8; }
.col-span-3 { grid-column: span 3; }

/* Section Spacing & Flow */
section {
  padding: var(--section-spacing-desktop) 0;
}

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

.section-light p {
  color: #4B5563;
}

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

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

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.4s ease;
  background: transparent;
  padding: 20px 0;
}

header.scrolled {
  background: rgba(14, 14, 14, 0.95);
  backdrop-filter: blur(14px);
  padding: 15px 0;
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 1px;
  color: #FFF !important;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.hamburger {
  display: none;
  background: none;
  border: none;
  color: #FFF;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1001;
}

/* Mobile Menu Panel */
.mobile-menu-panel {
  position: fixed;
  top: 0;
  left: 100%;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-primary);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: left 0.5s ease-in-out;
}

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

.mobile-menu-panel a {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin: 15px 0;
  color: #FFF;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-primary);
  font-weight: bold;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent-gold-start);
  color: var(--accent-gold-start);
}

.btn-outline:hover {
  background: var(--accent-gradient);
  color: var(--bg-primary);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px; /* Offset for header */
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: 40px;
}

.hero-image-wrapper {
  height: 80vh;
  border-radius: 18px;
  overflow: hidden;
  position: relative;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}

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

.hero-cta {
  display: flex;
  gap: 20px;
  margin-top: 30px;
}

/* Hotel Cards Grid */
.hotel-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 0.3s ease;
  cursor: pointer;
}

.hotel-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--glass-border-hover);
  box-shadow: 0 15px 30px rgba(0,0,0,0.5), 0 0 20px rgba(212,175,55,0.1);
}

.hotel-image {
  height: 250px;
  overflow: hidden;
}

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

.hotel-card:hover .hotel-image img {
  transform: scale(1.08);
}

.hotel-info {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.hotel-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.85rem;
  color: var(--accent-gold-start);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hotel-tags {
  display: flex;
  gap: 10px;
  margin-top: auto;
  padding-top: 20px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(255,255,255,0.1);
  color: var(--text-secondary);
}

/* Features Sections */
.feature-box {
  padding: 40px;
  background: var(--bg-secondary);
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.05);
  height: 100%;
}

.section-light .feature-box {
  background: #FFFFFF;
  border-color: #E5E7EB;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

/* Pricing Insights Table/Cards */
.pricing-card {
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  padding: 40px;
  border-radius: 18px;
  text-align: center;
}

.price-amount {
  font-size: 3rem;
  font-family: var(--font-heading);
  color: var(--accent-gold-start);
  margin: 20px 0;
}

/* Hotel Detail Page Specifics */
.detail-hero {
  height: 60vh;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding-bottom: 60px;
}

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

.detail-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(14,14,14,1) 0%, rgba(14,14,14,0) 100%);
  z-index: -1;
}

.detail-nav {
  position: sticky;
  top: 70px;
  background: var(--bg-secondary);
  padding: 15px 0;
  z-index: 100;
  border-bottom: 1px solid var(--glass-border);
}

.detail-nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
  overflow-x: auto;
}

.detail-nav a {
  font-size: 0.9rem;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Contact Form */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 15px;
  background: var(--glass-bg);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-gold-start);
}

/* Footer */
footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--glass-border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--accent-gold-start);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

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

.footer-links a:hover {
  color: #FFF;
}

.copyright {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Background image overrides for css descriptive names */
.bg-wellness-spa {
  background-image: url('images/premium-hotel-wellness-spa-background.jpg');
}
.bg-casino-lounge {
  background-image: url('images/elegant-hotel-casino-lounge-background.jpg');
}

/* RESPONSIVE DESIGN */

/* Tablet (769px - 1024px) */
@media (max-width: 1024px) {
  .container { padding: 0 var(--container-padding-tablet); }
  section { padding: var(--section-spacing-tablet) 0; }
  .grid { gap: var(--gap-tablet); }
  
  .col-span-12, .col-span-6, .col-span-4, .col-span-8, .col-span-3 {
    grid-column: span 12;
  }
  
  /* Reset to 6 column layout mathematically via overrides */
  .grid-12 { grid-template-columns: repeat(6, 1fr); }
  .hero .col-span-6 { grid-column: span 6; } /* Stack or 50/50 depending on preference, we will stack at mobile */
  
  /* 2-column grid for tablet */
  .grid-tablet-2 > div, .hotel-list-grid > div {
    grid-column: span 3;
  }
  
  .hero-content { padding-right: 0; margin-bottom: 40px; }
  .hero { flex-direction: column; padding-top: 120px; text-align: center; }
  .hero .col-span-6 { grid-column: span 6; width: 100%; }
  .hero-cta { justify-content: center; }
  
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile (<= 768px) */
@media (max-width: 768px) {
  .container { padding: 0 var(--container-padding-mobile); }
  section { padding: var(--section-spacing-mobile) 0; }
  .grid { gap: var(--gap-mobile); }
  
  .grid-12 { grid-template-columns: 1fr; }
  .col-span-12, .col-span-6, .col-span-4, .col-span-8, .col-span-3, .grid-tablet-2 > div, .hotel-list-grid > div {
    grid-column: span 1 !important;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .nav-links { display: none; }
  .hamburger { display: block; }
  
  .hero-image-wrapper { height: 50vh; }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; }
  
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  
  .detail-nav ul { flex-direction: column; text-align: center; gap: 15px; }
}