:root {
  /* Color System */
  --bg-primary: #07080a;
  --bg-secondary: #0d1117;
  --accent-blue: #00f0ff;
  --accent-violet: #8a2be2;
  --text-main: #f0f4f8;
  --text-muted: #8b9bb4;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-violet) 100%);
  --gradient-glass: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
  
  /* Glass & Shadows */
  --glass-bg: rgba(13, 17, 23, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(0, 240, 255, 0.3);
  --glow-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
  --glow-shadow-intense: 0 0 30px rgba(138, 43, 226, 0.3);
  
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Spacing */
  --spacing-section: 100px;
  --container-max: 1400px;
  --container-padding: 24px;
}

@media (max-width: 992px) {
  :root { --spacing-section: 70px; }
}

@media (max-width: 768px) {
  :root { --spacing-section: 50px; }
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(circle at 50% 0%, var(--bg-secondary) 0%, var(--bg-primary) 70%);
}

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

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

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

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

.section {
  padding: var(--spacing-section) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 2.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 18px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.2);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: all 0.5s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-shadow-intense);
}

.btn-primary:hover::before {
  left: 150%;
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  background: rgba(0, 240, 255, 0.05);
  transform: translateY(-2px);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 8, 10, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-violet), transparent);
  opacity: 0.5;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  border-radius: 6px;
  box-shadow: var(--glow-shadow);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 2px;
  box-shadow: var(--glow-shadow);
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

#nav-toggle {
  display: none;
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  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(180deg, rgba(7, 8, 10, 0.4) 0%, var(--bg-primary) 100%),
              radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.15) 0%, transparent 40%),
              radial-gradient(circle at 20% 80%, rgba(138, 43, 226, 0.15) 0%, transparent 40%);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 5.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  margin-bottom: 40px;
  color: #c2d0e0;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Rooms & Suites System */
.rooms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.room-card {
  background: var(--gradient-glass);
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
}

.room-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: 0 10px 40px rgba(0, 240, 255, 0.1);
  transform: translateY(-4px);
}

.featured-suite {
  grid-column: 1 / -1;
  flex-direction: row;
  background: linear-gradient(135deg, rgba(13, 17, 23, 0.8) 0%, rgba(7, 8, 10, 0.9) 100%);
  border: 1px solid rgba(138, 43, 226, 0.3);
  box-shadow: 0 0 30px rgba(138, 43, 226, 0.05);
}

.featured-suite:hover {
  border-color: var(--accent-violet);
  box-shadow: 0 15px 50px rgba(138, 43, 226, 0.15);
}

.room-image-wrapper {
  position: relative;
  overflow: hidden;
}

.featured-suite .room-image-wrapper {
  width: 55%;
  flex-shrink: 0;
}

.room-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.featured-suite .room-image {
  height: 100%;
  min-height: 450px;
}

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

.room-content {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.room-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.room-title {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.featured-suite .room-title {
  font-size: 2.5rem;
}

.room-amenities {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
  margin-bottom: 24px;
}

.amenity-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.room-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
}

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

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

/* Amenities & Experiences Section */
.experiences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.experience-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.experience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.experience-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.03);
}

.experience-card:hover::before {
  opacity: 1;
}

.exp-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 240, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent-blue);
  font-size: 1.5rem;
}

/* Page Headers (About, Contact, etc.) */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--glass-border);
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 800px;
  height: 100%;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* Text Content Pages (Terms, Privacy, Responsible) */
.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 48px;
  backdrop-filter: blur(10px);
}

.content-wrapper h2 {
  margin-top: 40px;
  color: var(--accent-blue);
  font-size: 1.5rem;
}

.content-wrapper ul {
  margin-bottom: 24px;
  padding-left: 20px;
  color: var(--text-muted);
}

.content-wrapper li {
  margin-bottom: 10px;
}

/* Forms */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 16px;
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: rgba(0, 240, 255, 0.02);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 80px 0 40px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.3), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  margin-top: 24px;
  max-width: 300px;
}

.footer-heading {
  font-size: 1.1rem;
  margin-bottom: 24px;
  color: var(--text-main);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-blue);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Gradient Dividers */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  margin: 0 auto;
  width: 80%;
}

/* Responsiveness */
@media (max-width: 1024px) {
  .featured-suite {
    flex-direction: column;
  }
  .featured-suite .room-image-wrapper {
    width: 100%;
  }
  .featured-suite .room-image {
    height: 300px;
    min-height: auto;
  }
}

@media (max-width: 992px) {
  .rooms-grid {
    grid-template-columns: 1fr;
  }
  .experiences-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-150%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  #nav-toggle:checked ~ .nav-links {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-cta {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .content-wrapper {
    padding: 24px;
  }
}