/* Onyx Luxury Group - Custom Styles */
:root {
    --radius: 0.25rem;
    --background: #141416;
    --foreground: #f2f2f2;
    --gold: #d4af37;
    --gold-light: #f1d592;
    --gold-dark: #a68a2d;
    --onyx: #1a1a1c;
    --border: rgba(255, 255, 255, 0.1);
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Cinzel', serif;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 500;
}

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

ul {
    list-style: none;
}

.max-w-1600 {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 1024px) {
    .max-w-1600 {
        padding: 0 3rem;
    }
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 80px;
    display: flex;
    align-items: center;
    transition: all 0.5s ease;
}

header.scrolled {
    background: rgba(20, 20, 22, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    height: 70px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    letter-spacing: 0.3em;
    color: #fff;
}

.logo-sub {
    font-size: 9px;
    letter-spacing: 0.4em;
    color: var(--gold);
    text-transform: uppercase;
    font-weight: 300;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-flag {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 22px;
    overflow: hidden;
}

.lang-flag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lang-flag:hover {
    border-color: var(--gold);
}

.lang-flag.active {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}

/* Desktop Menu */
.desktop-menu {
    display: none;
}

@media (min-width: 1024px) {
    .desktop-menu {
        display: block;
    }
    
    .desktop-menu ul {
        display: flex;
        gap: 2.5rem;
    }
    
    .desktop-menu ul li a {
        font-size: 12px;
        letter-spacing: 0.2em;
        color: rgba(255, 255, 255, 0.7);
        text-transform: uppercase;
        font-weight: 400;
    }
    
    .desktop-menu ul li a:hover {
        color: var(--gold);
    }
}

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 24px;
    height: 1px;
    background: #fff;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(20, 20, 22, 0.98);
    backdrop-filter: blur(10px);
    z-index: 99;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

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

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
}

.mobile-menu ul li a {
    font-size: 14px;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
}

.mobile-menu ul li a:hover {
    color: var(--gold);
}

@media (max-width: 1023px) {
    .menu-toggle {
        display: flex;
    }
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-bottom: 6rem;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--background), rgba(20, 20, 22, 0.4), rgba(20, 20, 22, 0.3));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.hero-text {
    max-width: 600px;
}

.gold-accent-line {
    width: 80px;
    height: 1px;
    background: var(--gold);
    margin-bottom: 2rem;
}

.hero-headline {
    font-size: 2.5rem;
    line-height: 1.1;
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-headline {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-headline {
        font-size: 3.5rem;
    }
}

.text-gold-gradient {
    background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.hero-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300;
    letter-spacing: 0.05em;
    max-width: 500px;
    margin-bottom: 2.5rem;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn-primary {
    background: var(--gold);
    color: #000;
    padding: 1rem 2rem;
    font-size: 11px;
    letter-spacing: 0.25em;
    font-weight: 500;
    text-transform: uppercase;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--gold-light);
}

.btn-secondary {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 1rem 2rem;
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 2;
}

.scroll-indicator span {
    font-size: 9px;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
}

.scroll-arrow {
    width: 1px;
    height: 30px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scroll-bounce 2s infinite;
}

@keyframes scroll-bounce {
    0%, 100% {
        opacity: 0.6;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(8px);
    }
}

/* Sections */
section {
    padding: 6rem 0;
}

.section-eyebrow {
    font-size: 10px;
    letter-spacing: 0.4em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.section-subtitle {
    color: rgba(255, 255, 255, 0.5);
    max-width: 600px;
    margin: 0 auto;
}

.text-center {
    text-align: center;
    margin-bottom: 4rem;
}

/* Materials Section */
.materials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

@media (min-width: 1024px) {
    .materials-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.material-card {
    display: flex;
    flex-direction: column;
}

.material-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    margin-bottom: 2rem;
}

.material-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

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

.material-info h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.material-subtitle {
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: block;
}

.material-desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

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

.feature-item {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-item::before {
    content: "";
    width: 4px;
    height: 4px;
    background: var(--gold);
}

/* Room Tabs */
.tabs-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.tab-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    padding: 0.8rem 1.5rem;
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover, .tab-btn.active {
    border-color: var(--gold);
    color: var(--gold);
}

.room-display {
    position: relative;
    aspect-ratio: 21/9;
    overflow: hidden;
    transition: opacity 0.3s ease;
}

.room-display img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.room-text {
    position: absolute;
    bottom: 3rem;
    left: 3rem;
    z-index: 2;
    max-width: 500px;
}

.room-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.room-text p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-links a:hover {
    color: var(--gold);
}

.copyright {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
}

.gold-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    width: 100%;
    margin: 4rem 0;
}