/* ============================================
   SEOUL TABLE - Korean Restaurant
   Design: Modern Korean with warm earth tones
   ============================================ */

:root {
    /* Colors - Warm Korean palette */
    --color-primary: #C45C3E;
    --color-primary-dark: #A34A2F;
    --color-accent: #D4A574;
    --color-gold: #C9A87C;
    --color-dark: #1A1A1A;
    --color-charcoal: #2D2D2D;
    --color-gray: #6B6B6B;
    --color-light: #F5F0EB;
    --color-cream: #FAF7F4;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-display: 'Noto Serif KR', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.06);
    --shadow-md: 0 8px 24px rgba(26, 26, 26, 0.1);
    --shadow-lg: 0 16px 48px rgba(26, 26, 26, 0.12);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-lg);
    transition: var(--transition-medium);
}

.nav.scrolled {
    background: rgba(250, 247, 244, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-sm) var(--space-lg);
}

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

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-ko {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.1em;
}

.logo-en {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: -0.02em;
    margin-top: -2px;
}

.nav.scrolled .logo-en {
    color: var(--color-dark);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    position: relative;
}

.nav.scrolled .nav-links a {
    color: var(--color-dark);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-fast);
}

.nav.scrolled .mobile-menu-btn span {
    background: var(--color-dark);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.7), rgba(45, 45, 45, 0.8)),
                url('https://images.unsplash.com/photo-1550966871-3ed3c47e2ce2?w=1920') center/cover;
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    padding: var(--space-xl);
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-gold);
    padding-bottom: var(--space-xs);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    color: var(--color-accent);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    opacity: 0.9;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 2px;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-dark);
}

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

.btn-outline:hover {
    background: var(--color-dark);
    color: var(--color-white);
}

.btn-full {
    width: 100%;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.6;
}

.scroll-indicator {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-dark);
}

/* ============================================
   FEATURED SECTION
   ============================================ */
.featured {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-white);
}

.featured-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.featured-card {
    background: var(--color-cream);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition-medium);
}

.featured-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.featured-highlight {
    transform: scale(1.02);
}

.featured-highlight:hover {
    transform: scale(1.02) translateY(-8px);
}

.featured-image {
    height: 240px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.featured-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 26, 26, 0.4), transparent);
}

.featured-content {
    padding: var(--space-lg);
}

.featured-tag {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.featured-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

.featured-price {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.featured-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.featured-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-gray);
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(26, 26, 26, 0.1);
}

/* ============================================
   MENU PREVIEW
   ============================================ */
.menu-preview {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-cream);
}

.menu-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.menu-header {
    margin-bottom: var(--space-xl);
}

.menu-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.menu-tab {
    padding: 0.75rem 1.5rem;
    font-size: 0.8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 2px;
    transition: var(--transition-fast);
}

.menu-tab:hover {
    border-color: var(--color-dark);
    color: var(--color-dark);
}

.menu-tab.active {
    background: var(--color-dark);
    color: var(--color-white);
}

.menu-content {
    text-align: left;
    margin-bottom: var(--space-xl);
}

.menu-category {
    display: none;
}

.menu-category.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

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

.menu-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(26, 26, 26, 0.08);
    transition: var(--transition-fast);
}

.menu-item:hover {
    border-color: var(--color-primary);
}

.menu-item-info {
    flex: 1;
    padding-right: var(--space-md);
}

.menu-item h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: var(--space-xs);
}

.menu-sub {
    font-size: 0.875rem;
    color: var(--color-gray);
    font-weight: 400;
}

.menu-item p {
    font-size: 0.875rem;
    color: var(--color-gray);
    line-height: 1.5;
}

.menu-price {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-primary);
    white-space: nowrap;
}

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-white);
}

.experience-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.experience-content {
    padding: var(--space-lg);
}

.experience-content .section-title {
    margin-bottom: var(--space-md);
}

.experience-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: var(--space-xl);
}

.experience-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature {
    display: flex;
    gap: var(--space-md);
}

.feature-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.feature h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

.feature p {
    font-size: 0.875rem;
    margin-bottom: 0;
}

.experience-gallery {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--space-sm);
    height: 500px;
}

.gallery-main {
    grid-row: span 2;
    background-size: cover;
    background-position: center;
    border-radius: 4px;
}

.gallery-secondary,
.gallery-tertiary {
    background-size: cover;
    background-position: center;
    border-radius: 4px;
}

/* ============================================
   LOCATIONS
   ============================================ */
.locations {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-cream);
}

.locations-container {
    max-width: 1200px;
    margin: 0 auto;
}

.locations-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.locations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.location-card {
    background: var(--color-white);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition-medium);
}

.location-card:hover {
    box-shadow: var(--shadow-md);
}

.location-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.location-info {
    padding: var(--space-lg);
}

.location-info h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

.location-type {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.location-info address {
    font-style: normal;
    font-size: 0.875rem;
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.location-hours {
    font-size: 0.8125rem;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.location-link {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-primary);
    transition: var(--transition-fast);
}

.location-link:hover {
    color: var(--color-primary-dark);
}

/* ============================================
   RESERVATIONS
   ============================================ */
.reservations {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-white);
}

.reservations-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.reservations-content {
    padding: var(--space-lg);
}

.reservations-content .section-title {
    margin-bottom: var(--space-md);
}

.reservations-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: var(--space-xl);
}

.reservation-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.contact-label {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
}

.contact-value {
    font-size: 1rem;
    color: var(--color-dark);
}

.reservation-form {
    background: var(--color-cream);
    padding: var(--space-xl);
    border-radius: 4px;
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-dark);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--color-dark);
    background: var(--color-white);
    border: 1px solid rgba(26, 26, 26, 0.1);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-light);
    padding: var(--space-3xl) var(--space-lg) var(--space-lg);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(245, 240, 235, 0.1);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-md);
}

.footer-logo .logo-ko {
    font-size: 0.75rem;
    color: var(--color-accent);
}

.footer-logo .logo-en {
    font-size: 1.5rem;
    color: var(--color-white);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    opacity: 0.7;
    max-width: 300px;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(245, 240, 235, 0.2);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-column li,
.footer-column a {
    font-size: 0.9375rem;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    opacity: 1;
    color: var(--color-gold);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--space-lg);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    opacity: 0.5;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .featured-highlight {
        transform: none;
    }
    
    .experience-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .experience-gallery {
        height: 400px;
    }
    
    .locations-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .reservations-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .menu-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .menu-item {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .menu-price {
        align-self: flex-start;
    }
    
    .experience-gallery {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(3, 200px);
        height: auto;
    }
    
    .gallery-main {
        grid-row: span 1;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY
   ============================================ */
.hidden {
    display: none !important;
}