/* 
  Sobha One World - Ultra-Premium UI/UX Stylesheet
*/

:root {
  /* Ultra-Premium Color Palette */
  --clr-onyx: #0A0A0A;
  --clr-onyx-light: #1A1A1A;
  --clr-alabaster: #F5F5F0;
  --clr-alabaster-dark: #E8E8E2;
  --clr-champagne: #D4AF37;
  --clr-champagne-dark: #B5952F;
  --clr-white: #FFFFFF;
  --clr-text-main: #333333;
  --clr-text-muted: #7A7A7A;
  
  /* Typography */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Outfit', sans-serif;
  
  /* Layout & Spacing */
  --section-padding: 8rem 2rem;
  --max-width: 1300px;
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 24px;
  
  /* Shadows & Glass */
  --shadow-soft: 0 10px 30px rgba(0,0,0,0.05);
  --shadow-hover: 0 20px 40px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.2);
  
  /* Animations */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 0.3s var(--ease-out-expo);
  --transition-slow: 0.8s var(--ease-out-expo);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--clr-text-main);
  background-color: var(--clr-alabaster);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  color: var(--clr-onyx);
}

h1 { font-size: clamp(3rem, 6vw, 5.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2.5rem, 4vw, 3.5rem); }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

.subtitle {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: var(--clr-champagne);
  margin-bottom: 1rem;
  display: block;
  font-weight: 500;
}

/* Utility Classes */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.text-center { text-align: center; }
.bg-dark { background-color: var(--clr-onyx); color: var(--clr-white); }
.bg-dark h2, .bg-dark h3 { color: var(--clr-white); }
.bg-light { background-color: var(--clr-alabaster-dark); }

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

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.glass-dark {
  background: rgba(10, 10, 10, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--clr-white);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  background-color: var(--clr-champagne);
  color: var(--clr-white);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--clr-champagne-dark);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
  z-index: -1;
}

.btn:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.btn:hover {
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--clr-champagne);
  color: var(--clr-champagne);
}

.btn-outline::before { background-color: var(--clr-champagne); }
.btn-outline:hover { color: var(--clr-white); }

/* Header */
header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  padding: 2rem;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-slow);
}

header.scrolled {
  padding: 1rem 2rem;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 400;
}

.logo span {
  color: var(--clr-champagne);
  font-style: italic;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--clr-white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.nav-links a:hover {
  opacity: 1;
  color: var(--clr-champagne);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 100%; height: 1px;
  background: var(--clr-champagne);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 800px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 2rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: slowZoom 20s linear infinite alternate;
}

@keyframes slowZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.1); }
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,10,10,0.9) 0%, rgba(10,10,10,0.4) 50%, rgba(10,10,10,0.1) 100%);
  z-index: -1;
}

.hero-content {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 4rem;
  align-items: center;
  padding-top: 5rem;
}

.hero-text {
  color: var(--clr-white);
}

.hero-text h1 {
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0,0,0,0.5);
  color: var(--clr-white);
}

.hero-text p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-bottom: 2rem;
  font-weight: 300;
}

/* Minimalist Form Card */
.form-card {
  padding: 2.5rem;
  border-radius: var(--radius-md);
}

.form-card h3 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  text-align: center;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-white);
}

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

.form-control {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding: 1rem 0;
  color: var(--clr-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-bottom-color: var(--clr-champagne);
}

.form-control::placeholder {
  color: rgba(255,255,255,0.5);
}

/* Remove default select styling */
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1.5em;
}
select.form-control option {
  background: var(--clr-onyx);
  color: white;
}

.checkbox-group {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  font-size: 0.8rem;
  opacity: 0.7;
  margin-bottom: 2rem;
}

/* Layout Grids */
.grid-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* Staggered Highlights */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.highlight-card {
  padding: 2.5rem;
  background: var(--clr-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-slow);
}

.highlight-card:nth-child(even) {
  transform: translateY(3rem);
}

.highlight-card:hover {
  transform: translateY(-10px) !important;
  box-shadow: var(--shadow-hover);
}

.highlight-card h4 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Pricing Menu */
.pricing-menu {
  display: grid;
  gap: 1rem;
  max-width: 800px;
  margin: 3rem auto 0;
}

.pricing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: background var(--transition-fast);
}

.pricing-row:hover {
  background: rgba(255,255,255,0.03);
}

.pricing-row span {
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.pricing-row .price {
  color: var(--clr-champagne);
  font-family: var(--font-display);
  font-size: 1.5rem;
}

/* Masonry Gallery */
.gallery-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  grid-auto-rows: 300px;
}

.gallery-masonry .item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.gallery-masonry .item.large {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-masonry .item.tall {
  grid-row: span 2;
}

.gallery-masonry img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-out-expo);
}

.gallery-masonry .item:hover img {
  transform: scale(1.08);
}

.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.overlay h4 {
  color: var(--clr-white);
  transform: translateY(20px);
  transition: transform var(--transition-fast);
}

.gallery-masonry .item:hover .overlay h4 {
  transform: translateY(0);
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 40px;
  right: 40px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  box-shadow: 2px 2px 15px rgba(0,0,0,0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 2px 2px 20px rgba(37, 211, 102, 0.4);
}

/* Elegant FAQ */
.faq-list {
  max-width: 800px;
  margin: 4rem auto 0;
}

details {
  border-bottom: 1px solid var(--clr-text-muted);
  padding: 1.5rem 0;
}

details summary {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--clr-onyx);
  transition: color var(--transition-fast);
}

details summary::-webkit-details-marker { display: none; }

details summary::after {
  content: '+';
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--clr-champagne);
  transition: transform var(--transition-fast);
}

details[open] summary::after {
  transform: rotate(45deg);
}

details[open] summary {
  color: var(--clr-champagne);
}

.faq-content {
  padding-top: 1.5rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
  animation: fadeDown 0.4s var(--ease-out-expo);
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer */
footer {
  background: var(--clr-onyx);
  color: var(--clr-white);
  padding: 6rem 2rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  color: var(--clr-white);
  margin-bottom: 2rem;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-body);
}

.footer-col p {
  color: var(--clr-text-muted);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 1rem;
}

.footer-col a {
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--clr-champagne);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--clr-text-muted);
  font-size: 0.85rem;
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s var(--ease-out-expo);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-text p {
    margin: 0 auto 2rem;
  }
  .grid-split {
    grid-template-columns: 1fr;
  }
  .highlight-card:nth-child(even) {
    transform: none;
  }
  .gallery-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 5rem 1.5rem;
  }
  .nav-links {
    display: none;
  }
  .highlights-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .gallery-masonry {
    grid-template-columns: 1fr;
    grid-auto-rows: 250px;
  }
  .gallery-masonry .item.large, .gallery-masonry .item.tall {
    grid-column: span 1;
    grid-row: span 1;
  }
  .pricing-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
  .mobile-menu-btn {
    display: block;
  }
  .nav-links.active {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    padding: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    gap: 1.5rem;
    align-items: center;
  }
}

/* Mobile Menu Button Styles - Desktop Hidden */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--clr-white);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
}

/* Global Blog Detail Page Layout Styles */
.blog-meta {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  border-bottom: 1px solid var(--clr-alabaster-dark);
  padding-bottom: 1rem;
}
.blog-meta-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-champagne);
  color: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
}
.blog-toc {
  background: var(--clr-alabaster-dark);
  border-left: 4px solid var(--clr-champagne);
  padding: 1.5rem 2rem;
  border-radius: var(--radius-sm);
  margin: 2.5rem 0;
}
.blog-toc h4 {
  font-family: var(--font-body);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--clr-onyx);
  margin-bottom: 0.8rem;
}
.blog-toc ul {
  list-style: none;
  padding: 0;
}
.blog-toc ul li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  padding-left: 1.2rem;
  position: relative;
}
.blog-toc ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--clr-champagne);
}
.blog-toc ul li a {
  color: var(--clr-text-main);
  transition: color var(--transition-fast);
  font-weight: 500;
}
.blog-toc ul li a:hover {
  color: var(--clr-champagne);
}
.blog-summary {
  background: var(--clr-white);
  border: 1px solid var(--clr-alabaster-dark);
  padding: 2rem;
  border-radius: var(--radius-md);
  margin: 2.5rem 0;
  box-shadow: var(--shadow-soft);
}
.blog-summary h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--clr-onyx);
  margin-bottom: 1rem;
  margin-top: 0;
}
.blog-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}
.blog-summary-item {
  font-size: 0.95rem;
}
.blog-summary-item strong {
  color: var(--clr-onyx);
  display: block;
  margin-bottom: 0.2rem;
}
.blog-faq-list {
  margin: 3rem 0;
}
.blog-faq-list details {
  border-bottom: 1px solid var(--clr-alabaster-dark);
  padding: 1.2rem 0;
}
.blog-faq-list details summary {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--clr-onyx);
  transition: color var(--transition-fast);
}
.blog-faq-list details summary::-webkit-details-marker {
  display: none;
}
.blog-faq-list details summary::after {
  content: '+';
  font-family: var(--font-body);
  font-size: 1.4rem;
  color: var(--clr-champagne);
  transition: transform var(--transition-fast);
}
.blog-faq-list details[open] summary::after {
  transform: rotate(45deg);
}
.blog-faq-list details[open] summary {
  color: var(--clr-champagne);
}
.blog-faq-content {
  padding-top: 1rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
  font-size: 1rem;
}