/* Custom Properties - Elegant Chinese Theme */
:root {
    --color-bg: #0a0a0a;
    --color-surface: #141414;
    --color-text: #e0e0e0;
    --color-text-muted: #a0a0a0;
    --color-primary: #d32f2f; /* Deep Red */
    --color-primary-hover: #b71c1c;
    --color-gold: #cfa858; /* Elegant Gold */
    --color-gold-hover: #b4914a;
    
    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset Layout & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4, .logo, .footer-logo {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-gold);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.text-center { text-align: center; }
.text-left { text-align: left; }

.section { padding: 6rem 0; overflow: hidden; }
.section-title { font-size: 2.5rem; margin-bottom: 1rem; letter-spacing: 2px; }
.section-subtitle { font-size: 1.1rem; color: var(--color-text-muted); margin-bottom: 3rem; }
.section-divider {
    width: 60px;
    height: 2px;
    background-color: var(--color-primary);
    margin: 0 auto 3rem;
}
.section-divider.left { margin: 0 0 2rem 0; }

.mt-4 { margin-top: 2rem; }

/* Grids */
.grid { display: grid; gap: 2rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.items-center { align-items: center; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 2px;
}
.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
}
.btn-secondary {
    background-color: transparent;
    border-color: var(--color-gold);
    color: var(--color-gold);
}
.btn-secondary:hover {
    background-color: var(--color-gold);
    color: var(--color-bg);
}
.btn-outline {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn-outline:hover {
    background-color: var(--color-primary);
    color: #fff;
}
.btn-primary-small {
    padding: 0.5rem 1.5rem;
    background-color: var(--color-primary);
    color: white;
    font-size: 0.9rem;
}
.btn-primary-small:hover { background-color: var(--color-primary-hover); }

/* Buttons group */
.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}
@media (max-width: 600px) {
    .btn-group { flex-direction: column; }
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    padding: 1rem 0;
    background-color: transparent;
    z-index: 1000;
    transition: background-color 0.4s ease, border-bottom 0.4s ease;
}
.navbar.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(207, 168, 88, 0.2);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.nav-links {
    display: flex;
    gap: 2rem;
}
.nav-item {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    color: var(--color-text);
}
.nav-item:hover, .nav-item.active {
    color: var(--color-gold);
}
.nav-actions { display: flex; align-items: center; }

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 1.5rem;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    transition: var(--transition);
}

.lang-btn.active {
    color: var(--color-gold);
}

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

.lang-divider {
    color: var(--color-text-muted);
    opacity: 0.3;
    font-size: 0.85rem;
}
.hamburger {
    display: none;
    background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px;
    padding: 0.5rem;
}
.hamburger span {
    display: block; width: 25px; height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); background-color: var(--color-gold); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background-color: var(--color-gold); }

@media (max-width: 1024px) {
    .nav-links {
        display: none;
        position: absolute; top: 100%; left: 0; right: 0;
        background-color: rgba(20, 20, 20, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column; gap: 0;
        text-align: center; border-bottom: 1px solid var(--color-gold);
        padding: 1rem 0;
    }
    .nav-links.active { display: flex; }
    .nav-item { padding: 1rem; display: block; }
    .nav-actions { margin-right: 1rem; }
    .lang-switcher { margin-right: 0.5rem; }
    .hamburger { display: flex; margin-left:1rem; }
    .navbar .btn-primary-small { display: none; }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}
.hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    overflow: hidden;
}
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%, rgba(10,10,10,0.95) 100%);
}
.hero-content h1 {
    font-size: clamp(3rem, 7vw, 6rem);
    margin-bottom: 1rem;
    text-shadow: 0 4px 16px rgba(0,0,0,0.6);
    line-height: 1.1;
}
.hero-content .tagline {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--color-text);
    font-style: italic;
    font-family: var(--font-heading);
    margin-bottom: 2rem;
}

/* Cards & Interactions */
.card {
    background-color: var(--color-surface);
    border: 1px solid rgba(255,255,255,0.05);
    overflow: hidden;
    border-radius: 4px;
    transition: var(--transition);
}
.card:hover { border-color: var(--color-gold); transform: translateY(-8px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }

.card-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.card-img-wrapper img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.8s ease;
}
.card:hover .card-img-wrapper img {
    transform: scale(1.1);
}
.card-overlay {
    position: absolute; inset: 0;
    background: rgba(20, 20, 20, 0.85);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
    padding: 1.5rem; text-align: center;
}
.card:hover .card-overlay { opacity: 1; }
.card-overlay p { color: var(--color-text); font-size: 0.95rem; }

.card-content { padding: 1.5rem; }
.card-title { font-size: 1.25rem; font-family: var(--font-heading); margin-bottom: 0.5rem; color: var(--color-gold); }
.card-price { color: var(--color-primary); font-weight: 600; font-size: 1.25rem; font-family: var(--font-heading); }

/* Menu Section */
.filter-group {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-bottom: 3rem;
}
.filter-btn {
    background: transparent; border: 1px solid var(--color-gold);
    color: var(--color-text); padding: 0.5rem 1.5rem; cursor: pointer;
    font-family: var(--font-heading); font-size: 1.1rem; transition: var(--transition);
    border-radius: 2px;
}
.filter-btn.active, .filter-btn:hover {
    background: var(--color-gold); color: var(--color-surface);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(207, 168, 88, 0.2);
}

.menu-item {
    display: flex; gap: 1.5rem;
    align-items: center;
    background: var(--color-surface); padding: 1rem; border-radius: 4px;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.03);
}
.menu-item:hover { border-left: 4px solid var(--color-primary); transform: translateX(5px); }
.menu-item-img {
    width: 100px; height: 100px; flex-shrink: 0;
    border-radius: 5px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1);
}
.menu-item-img img { width: 100%; height: 100%; object-fit: cover; }
.menu-item-info { flex: 1; text-align: left; }
.menu-item-header {
    display: flex; justify-content: space-between; align-items: baseline;
    border-bottom: 1px dashed rgba(255,255,255,0.2); padding-bottom: 0.5rem; margin-bottom: 0.5rem;
}
.menu-item-title { font-size: 1.1rem; margin: 0; color: var(--color-gold); font-family: var(--font-heading); font-weight: 600;}
.menu-item-desc { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.4; }
.menu-item-price { font-family: var(--font-heading); color: var(--color-primary); font-weight: 600; font-size: 1.1rem; }

/* Menu Carousel */
.menu-carousel-wrapper {
    position: relative;
    margin-bottom: 4rem;
    padding: 0 40px;
}
.menu-carousel {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 1rem 0;
    -ms-overflow-style: none; /* IE/Edge */
    scrollbar-width: none; /* Firefox */
}
.menu-carousel::-webkit-scrollbar { display: none; }

.carousel-card {
    flex: 0 0 280px;
    scroll-snap-align: center;
    cursor: pointer;
}
.carousel-card-img {
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(207, 168, 88, 0.2);
    transition: var(--transition);
    position: relative;
}
.carousel-card:hover .carousel-card-img {
    border-color: var(--color-gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}
.carousel-card-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s ease;
}
.carousel-card:hover .carousel-card-img img {
    transform: scale(1.1);
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-surface);
    color: var(--color-gold);
    border: 1px solid rgba(207, 168, 88, 0.3);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}
.carousel-nav:hover {
    background: var(--color-gold);
    color: var(--color-bg);
}
.carousel-nav.prev { left: -10px; }
.carousel-nav.next { right: -10px; }

@media (max-width: 768px) {
    .menu-carousel-wrapper { padding: 0; }
    .carousel-nav { display: none; }
    .carousel-card { flex: 0 0 240px; }
}

/* Gallery Masonry */
.masonry-grid {
    column-count: 3; column-gap: 1.5rem;
}
@media (max-width: 900px) { .masonry-grid { column-count: 2; } }
@media (max-width: 600px) { .masonry-grid { column-count: 1; } }

.gallery-item {
    margin-bottom: 1.5rem;
    break-inside: avoid;
    overflow: hidden; cursor: pointer;
    position: relative; border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.05);
}
.gallery-item img {
    width: 100%; display: block; filter: brightness(0.8) grayscale(20%); transition: var(--transition);
}
.gallery-item:hover img { filter: brightness(1) grayscale(0%); transform: scale(1.05); }

/* Lightbox */
.lightbox {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.95); backdrop-filter: blur(5px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.lightbox.active { opacity: 1; pointer-events: auto; }
.lightbox-img { max-width: 90%; max-height: 90vh; object-fit: contain; box-shadow: 0 0 30px rgba(0,0,0,0.8); }
.lightbox-close {
    position: absolute; top: 2rem; right: 2rem;
    background: none; border: none; color: white;
    font-size: 3rem; cursor: pointer; transition: color 0.3s ease;
}
.lightbox-close:hover { color: var(--color-primary); }

/* About */
.about-image { position: relative; }
.about-image img { border-radius: 4px; }
.image-accent {
    position: absolute; inset: -1.5rem;
    border: 2px solid var(--color-gold); z-index: -1;
    border-radius: 4px; opacity: 0.5;
}

/* Contact */
.contact-card {
    background-color: var(--color-surface); padding: 4rem 2rem;
    border: 1px solid rgba(207, 168, 88, 0.3); border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}
.gold-text { color: var(--color-gold); margin-bottom: 1rem; font-size: 1.3rem; }
.contact-item { padding: 0 1rem; }
.contact-item p { color: var(--color-text-muted); line-height: 1.8; }
.border-sides {
    border-left: 1px solid rgba(255,255,255,0.1);
    border-right: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 768px) { 
    .border-sides { border: none; padding: 2rem 0; border-top: 1px solid rgba(255,255,255,0.1); border-bottom: 1px solid rgba(255,255,255,0.1); } 
}

/* Footer */
.footer { border-top: 1px solid rgba(207, 168, 88, 0.3); padding: 4rem 0 2rem; background: var(--color-surface); }
.footer-logo { font-size: 2rem; margin-bottom: 1rem; color: var(--color-gold); opacity: 0.8; }
.footer p { color: var(--color-text-muted); font-size: 0.9rem; }

/* Initial states for GSAP animations to prevent flickering */
.gs-fade-up, .gs-scale-up, .gs-zoom-in, .gs-slide-left, .gs-slide-right {
    opacity: 0;
    will-change: transform, opacity;
}