/* ===== Variables ===== */
:root {
  --bg: hsl(220,20%,8%);
  --fg: hsl(40,20%,92%);
  --card: hsl(220,18%,12%);
  --surface: hsl(220,18%,12%);
  --gold: hsl(38,72%,56%);
  --gold-light: hsl(38,60%,72%);
  --gold-dark: hsl(38,80%,40%);
  --muted: hsl(220,10%,55%);
  --border-gold: hsla(38,72%,56%,0.15);
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Poppins', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--fg); font-family: var(--font-body); line-height: 1.6; overflow-x: hidden; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== Utilities ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.text-center { text-align: center; }
.text-gold { background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.bg-dark { background: var(--bg); }
.bg-surface { background: var(--surface); }
.shadow-gold { box-shadow: 0 0 40px hsla(38,72%,56%,0.1); }
.section { padding: 80px 0; }
.section-label { display: block; color: var(--gold); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 8px; }
.section h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; margin-bottom: 40px; }
.btn-gold { display: inline-flex; align-items: center; gap: 8px; background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: var(--bg); padding: 12px 24px; border-radius: 50px; font-weight: 600; font-size: 0.875rem; border: none; cursor: pointer; transition: opacity .2s; }
.btn-gold:hover { opacity: 0.9; }
.btn-sm { padding: 8px 16px; font-size: 0.75rem; border-radius: 50px; }
.btn-full { width: 100%; justify-content: center; }
.img-rounded { border-radius: 16px; overflow: hidden; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 32px; }
.align-center { align-items: center; }
@media(min-width:768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* ===== Animations ===== */
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* ===== Navbar ===== */
.oberoi-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: hsla(220,20%,8%,0.8); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-gold); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.nav-logo { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: hsla(220,20%,8%,0.95); backdrop-filter: blur(16px); padding: 16px; border-top: 1px solid var(--border-gold); }
.nav-links.active { display: flex; }
.nav-links a { padding: 10px 0; font-size: 0.875rem; color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--gold); }
.nav-toggle { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--fg); transition: .3s; border-radius: 2px; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
@media(min-width:768px) {
  .nav-links { display: flex; flex-direction: row; position: static; background: none; padding: 0; border: none; gap: 24px; align-items: center; backdrop-filter: none; }
  .nav-toggle { display: none; }
}

/* ===== Hero ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg video, .hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, hsla(220,20%,8%,0.7), hsla(220,20%,8%,0.4), hsla(220,20%,8%,0.7)); }
.hero-content { position: relative; z-index: 2; text-align: center; padding: 100px 16px 80px; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 4rem); font-weight: 700; line-height: 1.2; margin-bottom: 24px; }
.hero-badge { display: inline-block; position: relative; padding: 16px 32px; border-radius: 12px; border: 1px solid var(--border-gold); background: linear-gradient(135deg, hsla(38,72%,56%,0.08), transparent 50%, hsla(38,72%,56%,0.08)); margin-bottom: 32px; overflow: hidden; }
.hero-badge p { font-size: clamp(0.9rem, 2vw, 1.15rem); font-weight: 500; position: relative; z-index: 1; }
.hero-badge::before { content:''; position:absolute; inset:0; width:50%; transform:skewX(-20deg); background:linear-gradient(90deg,transparent,hsla(38,72%,56%,0.25),transparent); animation:sweep 3s ease-in-out infinite 1s; }
@keyframes sweep { 0%{transform:translateX(-100%) skewX(-20deg)} 100%{transform:translateX(300%) skewX(-20deg)} }
.hero-price { background: hsla(220,18%,12%,0.6); backdrop-filter: blur(8px); border: 1px solid var(--border-gold); border-radius: 16px; padding: 16px 32px; display: inline-flex; flex-direction: column; margin-bottom: 32px; }
.price-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted); }
.price-value { font-family: var(--font-heading); font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 700; }
.hero-actions { margin-bottom: 32px; }
.hero-scroll { display: inline-flex; flex-direction: column; align-items: center; gap: 4px; color: hsla(40,20%,92%,0.6); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.2em; transition: color .2s; }
.hero-scroll:hover { color: var(--gold); }
.hero-scroll svg { animation: bounce 1.5s ease-in-out infinite; }
@keyframes bounce { 0%,100%{ transform:translateY(0) } 50%{ transform:translateY(8px) } }

/* ===== Info grid ===== */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
.info-card { background: hsla(220,20%,8%,0.5); border: 1px solid var(--border-gold); border-radius: 12px; padding: 16px; }
.info-label { display: block; font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--muted); }
.info-value { display: block; font-weight: 600; margin-top: 4px; font-size: 0.9rem; }

/* ===== Carousel ===== */
.carousel { position: relative; overflow: hidden; }
.carousel-track { display: flex; transition: transform .4s ease; }
.carousel-slide { min-width: 100%; padding: 0 4px; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 40px; height: 40px; border-radius: 50%; background: var(--card); border: 1px solid var(--border-gold); color: var(--fg); font-size: 1.5rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: .2s; }
.carousel-btn:hover { color: var(--gold); border-color: var(--gold); }
.carousel-prev { left: 4px; }
.carousel-next { right: 4px; }
@media(min-width:768px) { .carousel-prev { left: -48px; } .carousel-next { right: -48px; } }
.carousel-dots { display: flex; justify-content: center; gap: 6px; margin-top: 24px; }
.carousel-dots button { width: 8px; height: 8px; border-radius: 50%; border: none; background: hsla(220,10%,55%,0.3); cursor: pointer; transition: .3s; padding: 0; }
.carousel-dots button.active { width: 32px; border-radius: 4px; background: var(--gold); }

/* Highlight card */
.highlight-card { display: grid; grid-template-columns: 1fr; background: var(--card); border-radius: 20px; border: 1px solid var(--border-gold); overflow: hidden; }
@media(min-width:768px) { .highlight-card { grid-template-columns: 1fr 1fr; } }
.highlight-img { position: relative; height: 220px; overflow: hidden; }
@media(min-width:768px) { .highlight-img { height: 320px; } }
.highlight-img img { width: 100%; height: 100%; object-fit: cover; }
.highlight-stat { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(0,0,0,0.8), transparent); padding: 20px; }
.stat-val { display: block; font-family: var(--font-heading); font-size: 2rem; font-weight: 700; color: white; }
.stat-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.15em; color: rgba(255,255,255,0.7); }
.highlight-body { padding: 24px; display: flex; flex-direction: column; justify-content: center; }
@media(min-width:768px) { .highlight-body { padding: 32px 40px; } }
.highlight-body h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); margin-bottom: 12px; }
.highlight-body p { color: var(--muted); font-size: 0.875rem; line-height: 1.7; }

/* ===== Amenities ===== */
.amenities-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media(min-width:768px) { .amenities-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.amenity-card { position: relative; border-radius: 16px; overflow: hidden; border: 1px solid var(--border-gold); }
.amenity-img { aspect-ratio: 1; overflow: hidden; }
.amenity-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.amenity-card:hover .amenity-img img { transform: scale(1.1); }
.amenity-label { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, hsla(220,20%,8%,0.8), transparent); padding: 16px; }
.amenity-label h3 { font-size: clamp(0.85rem, 2vw, 1.1rem); font-weight: 600; }

/* ===== Layouts ===== */
.layouts-wrap { max-width: 640px; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }
.layout-card { background: var(--card); border-radius: 16px; padding: 24px; border: 1px solid var(--border-gold); transition: .3s; }
.layout-card:hover { border-color: var(--gold); box-shadow: 0 0 40px hsla(38,72%,56%,0.1); }
.layout-card h3 { font-size: 1.5rem; margin-bottom: 16px; }
.layout-info { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== Invest ===== */
.invest-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media(min-width:640px) { .invest-grid { grid-template-columns: 1fr 1fr; } }
@media(min-width:1024px) { .invest-grid { grid-template-columns: repeat(3, 1fr); } }
.invest-card { background: var(--card); border-radius: 16px; padding: 24px; border: 1px solid var(--border-gold); transition: .3s; }
.invest-card:hover { transform: translateY(-6px); border-color: var(--gold); box-shadow: 0 0 40px hsla(38,72%,56%,0.1); }
.invest-icon { font-size: 2rem; margin-bottom: 16px; }
.invest-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.invest-card p { font-size: 0.875rem; color: var(--muted); line-height: 1.6; }

/* ===== Gallery ===== */
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media(min-width:768px) { .gallery-grid { grid-template-columns: repeat(4, 1fr); } .span-2 { grid-column: span 2; } }
.gallery-item { position: relative; border-radius: 16px; overflow: hidden; cursor: pointer; aspect-ratio: 4/3; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-overlay { position: absolute; inset: 0; background: hsla(220,20%,8%,0); display: flex; align-items: flex-end; padding: 16px; transition: .3s; }
.gallery-overlay span { opacity: 0; transform: translateY(8px); transition: .3s; font-size: 0.875rem; font-weight: 500; }
.gallery-item:hover .gallery-overlay { background: hsla(220,20%,8%,0.4); }
.gallery-item:hover .gallery-overlay span { opacity: 1; transform: translateY(0); }

/* Lightbox */
.lightbox { display: none; position: fixed; inset: 0; z-index: 200; background: hsla(220,20%,8%,0.92); backdrop-filter: blur(16px); align-items: center; justify-content: center; flex-direction: column; }
.lightbox.active { display: flex; }
.lightbox img { max-width: 90vw; max-height: 75vh; border-radius: 16px; object-fit: contain; }
.lightbox p { margin-top: 16px; font-family: var(--font-heading); font-size: 1.1rem; }
.lightbox-close, .lightbox-prev, .lightbox-next { position: absolute; background: var(--card); border: 1px solid var(--border-gold); color: var(--fg); border-radius: 50%; width: 40px; height: 40px; font-size: 1.5rem; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 16px; top: 50%; transform: translateY(-50%); }

/* ===== Reviews ===== */
.review-card { background: var(--card); border-radius: 16px; padding: 32px; border: 1px solid var(--border-gold); text-align: center; }
@media(min-width:768px) { .review-card { padding: 48px; } }
.review-stars { color: var(--gold); font-size: 1.2rem; margin-bottom: 20px; letter-spacing: 4px; }
.review-text { font-size: clamp(0.95rem, 2vw, 1.15rem); color: hsla(40,20%,92%,0.8); line-height: 1.8; font-style: italic; margin-bottom: 24px; }
.review-name { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; }
.review-role { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

/* ===== Location ===== */
.location-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media(min-width:768px) { .location-grid { grid-template-columns: 2fr 3fr; gap: 32px; } }
.location-advantages h3 { font-size: 1.2rem; margin-bottom: 20px; }
.loc-item { display: flex; align-items: center; gap: 12px; background: var(--card); border-radius: 12px; padding: 12px; border: 1px solid var(--border-gold); margin-bottom: 8px; transition: .2s; }
.loc-item:hover { border-color: var(--gold); }
.loc-icon { font-size: 1.2rem; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--gold), var(--gold-dark)); border-radius: 8px; flex-shrink: 0; }
.loc-name { font-size: 0.875rem; font-weight: 500; }
.loc-dist { font-size: 0.75rem; color: var(--muted); }
.location-map { border-radius: 16px; overflow: hidden; border: 1px solid var(--border-gold); min-height: 300px; }
.location-map iframe { width: 100%; height: 100%; min-height: 300px; }
@media(min-width:768px) { .location-map { min-height: 450px; } .location-map iframe { min-height: 450px; } }

/* ===== Contact ===== */
.contact-wrap { max-width: 540px; margin: 0 auto; background: var(--card); border-radius: 16px; padding: 32px; border: 1px solid var(--border-gold); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form select { width: 100%; background: hsla(220,20%,8%,0.5); border: 1px solid var(--border-gold); border-radius: 12px; padding: 12px 16px; color: var(--fg); font-family: var(--font-body); font-size: 0.875rem; outline: none; transition: border-color .2s; }
.contact-form input:focus, .contact-form select:focus { border-color: var(--gold); }
.contact-form input::placeholder { color: var(--muted); }
.contact-success { text-align: center; padding: 32px 0; }
.success-icon { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, var(--gold), var(--gold-dark)); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 1.5rem; color: var(--bg); font-weight: 700; }
.contact-success h3 { font-size: 1.5rem; margin-bottom: 8px; }
.contact-success p { color: var(--muted); }

/* ===== Footer ===== */
.oberoi-footer { background: var(--bg); border-top: 1px solid var(--border-gold); padding: 48px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 24px; text-align: center; margin-bottom: 32px; }
@media(min-width:768px) { .footer-grid { grid-template-columns: 1fr 1fr 1fr; text-align: left; } .footer-social { justify-content: flex-end; } }
.footer-brand { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-sub { font-size: 0.75rem; color: var(--muted); margin-top: 4px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.footer-links a { font-size: 0.75rem; color: var(--muted); transition: color .2s; }
.footer-links a:hover { color: var(--gold); }
.footer-social { display: flex; gap: 12px; justify-content: center; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-gold); display: flex; align-items: center; justify-content: center; color: var(--muted); transition: .2s; }
.footer-social a:hover { color: var(--gold); border-color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--border-gold); padding-top: 24px; text-align: center; }
.footer-bottom p { font-size: 0.75rem; color: var(--muted); }

/* ===== Floating CTAs ===== */
.floating-ctas { position: fixed; bottom: 16px; right: 16px; z-index: 90; display: flex; flex-direction: column; gap: 8px; }
@media(min-width:640px) { .floating-ctas { bottom: 24px; right: 24px; gap: 12px; } }
.fab-whatsapp, .fab-call { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(0,0,0,0.3); transition: transform .2s; }
.fab-whatsapp { background: #25D366; }
.fab-call { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: var(--bg); }
.fab-whatsapp:hover, .fab-call:hover { transform: scale(1.1); }

/* ===== Scroll to Top ===== */
.scroll-top { position: fixed; bottom: 16px; left: 16px; z-index: 90; width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--gold), var(--gold-dark)); border: none; color: var(--bg); cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(0,0,0,0.3); opacity: 0; transform: scale(0.5); transition: opacity .3s, transform .3s; pointer-events: none; }
.scroll-top.visible { opacity: 1; transform: scale(1); pointer-events: auto; }
.scroll-top:hover { transform: scale(1.1); }
@media(min-width:640px) { .scroll-top { bottom: 24px; left: 24px; } }