/* CSS Variables */
:root {
    --bg-color: #0a0a0a;
    --text-color: #f4f4f5;
    --accent-color: #d4af37;
    --nav-bg: rgba(10, 10, 10, 0.7);
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    font-weight: 400;
}

.gold-text {
    color: var(--accent-color);
    font-style: italic;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #a0a0a0;
    margin-bottom: 3rem;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

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

.mb-4 {
    margin-bottom: 2rem;
}

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

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: #000;
    padding: 0.8rem 2rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--accent-color);
    cursor: pointer;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
}

.btn-outline {
    display: inline-block;
    background-color: transparent;
    color: var(--text-color);
    padding: 0.8rem 2rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--text-color);
    cursor: pointer;
}

.btn-outline:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.btn-primary.large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

/* Navigation - Glassmorphism */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

.glass-nav.hidden {
    transform: translateY(-100%);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
}

.logo {
    font-size: 2rem;
    letter-spacing: 2px;
}

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

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 30px;
    height: 2px;
    background-color: var(--text-color);
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Subtle dark gradient / Placeholder for actual image */
    background: linear-gradient(rgba(10, 10, 10, 0.4), rgba(10, 10, 10, 0.9)), url('https://images.unsplash.com/photo-1553621042-f6e147245754?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
    z-index: -1;
    animation: slowZoom 20s infinite alternate;
}

@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.hero-content h1 {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 2.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.mouse {
    width: 20px;
    height: 30px;
    border: 1px solid var(--text-color);
    border-radius: 10px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { opacity: 1; top: 5px; }
    100% { opacity: 0; top: 15px; }
}

/* About Section */
.dual-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #a0a0a0;
    font-size: 1.1rem;
}

.image-placeholder {
    width: 100%;
    height: 500px;
    background: url('https://images.unsplash.com/photo-1581184953963-d15972933f4f?q=80&w=1000&auto=format&fit=crop') center/cover;
    border-radius: 4px;
}

/* Menu Grid */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.menu-item {
    background: #111;
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.menu-item:hover {
    transform: translateY(-10px);
}

.menu-item-img {
    height: 250px;
    background-position: center;
    background-size: cover;
}

.img-1 { background-image: url('https://images.unsplash.com/photo-1579584425555-c3ce17fd4351?q=80&w=800&auto=format&fit=crop'); }
.img-2 { background-image: url('https://images.unsplash.com/photo-1544025162-d76694265947?q=80&w=800&auto=format&fit=crop'); }
.img-3 { background-image: url('chawanmushi.png'); }

.menu-item-info {
    padding: 1.5rem;
}

.menu-item-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.menu-item-info p {
    color: #888;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.price {
    color: var(--accent-color);
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

/* CTA */
.cta-section {
    padding: 8rem 0;
    background: linear-gradient(rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 0.8)), url('https://images.unsplash.com/photo-1559339352-11d035aa65de?q=80&w=1600&auto=format&fit=crop') center/cover;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background-color: #050505;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer h2, .footer h4 {
    margin-bottom: 1rem;
}

.footer p {
    color: #888;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.8rem;
    color: #666;
}

/* Animations (Scroll Reveal) */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-reveal {
    opacity: 0;
    transition: all 1s cubic-bezier(0.5, 0, 0, 1);
}

.scroll-reveal.up { transform: translateY(50px); }
.scroll-reveal.left { transform: translateX(-50px); }
.scroll-reveal.right { transform: translateX(50px); }

.scroll-reveal.active {
    opacity: 1;
    transform: translate(0, 0);
}

/* Theme Switcher */
.theme-switcher {
    position: fixed;
    right: 20px;
    bottom: 20px;
    background: rgba(15, 15, 15, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 30px;
    display: flex;
    gap: 10px;
    z-index: 9999;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.theme-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.theme-btn:hover, .theme-btn.active {
    transform: scale(1.2);
    border-color: #fff;
}

/* Responsive */
@media (max-width: 900px) {
    .dual-col {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 3.5rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.95);
        padding: 2rem;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .nav-links.active {
        display: flex;
    }
    .nav-container .btn-primary {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}