/* ===================================
   Seoul To Go — Stylesheet
   Classic & Elegant Korean Restaurant
   =================================== */

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

:root {
    --navy-deep: #0a1628;
    --navy-mid: #132744;
    --navy-light: #1a3a5c;
    --gold: #c9a84c;
    --gold-light: #d4b96a;
    --gold-pale: #f0e2b6;
    --cream: #faf6ee;
    --cream-dark: #f0e8d8;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-mid: #4a4a4a;
    --text-light: #7a7a7a;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', 'Helvetica Neue', Arial, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--navy-deep);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-mid);
    max-width: 560px;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 4px;
    transition: all var(--transition);
}

.btn--primary {
    background: var(--gold);
    color: var(--navy-deep);
    border: 2px solid var(--gold);
}

.btn--primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 168, 76, 0.3);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn--outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-2px);
}

.btn--dark {
    background: var(--navy-deep);
    color: var(--gold);
    border: 2px solid var(--navy-deep);
}

.btn--dark:hover {
    background: var(--navy-mid);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(10, 22, 40, 0.3);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

.btn--large {
    padding: 16px 40px;
    font-size: 0.9375rem;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    padding: 14px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-logo:hover {
    color: var(--gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width var(--transition);
}

.nav-link:hover {
    color: var(--gold);
}

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

.nav-link--cta {
    padding: 10px 24px;
    background: var(--gold);
    color: var(--navy-deep);
    border-radius: 4px;
    font-weight: 600;
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    background: var(--gold-light);
    color: var(--navy-deep);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition);
}

.nav-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 30%, #2d6a4f 60%, #c9a84c 100%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(45, 106, 79, 0.5) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(201, 168, 76, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse 90% 70% at 50% 50%, rgba(10, 22, 40, 0.4) 0%, transparent 70%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.75rem, 7vw, 5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.4s forwards;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero-trust {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.8s forwards;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.05em;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(201, 168, 76, 0.6), transparent);
    animation: scrollPulse 2s ease infinite;
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(0.6); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

/* --- Menu Section --- */
.menu-section {
    padding: 120px 0;
    background: var(--cream);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

.menu-categories {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.menu-cat {
    padding: 10px 24px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-light);
    border: 1px solid transparent;
    border-radius: 100px;
    transition: all var(--transition);
}

.menu-cat:hover {
    color: var(--navy-deep);
    border-color: var(--navy-deep);
}

.menu-cat.active {
    background: var(--navy-deep);
    color: var(--gold);
    border-color: var(--navy-deep);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.menu-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(10, 22, 40, 0.06);
    transition: all var(--transition);
    opacity: 1;
    transform: translateY(0);
}

.menu-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(10, 22, 40, 0.12);
}

.menu-card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.menu-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-card:hover .menu-card-img img {
    transform: scale(1.08);
}

.menu-card-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--gold);
    color: var(--navy-deep);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 100px;
}

.menu-card-body {
    padding: 24px;
}

.menu-card-title {
    font-size: 1.25rem;
    color: var(--navy-deep);
    margin-bottom: 8px;
}

.menu-card-desc {
    font-size: 0.9375rem;
    color: var(--text-mid);
    line-height: 1.6;
}

.menu-disclaimer {
    text-align: center;
    margin-top: 48px;
    font-size: 0.8125rem;
    color: var(--text-light);
    font-style: italic;
}

/* --- About Section --- */
.about-section {
    padding: 120px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(10, 22, 40, 0.15);
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 55%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(10, 22, 40, 0.2);
    border: 4px solid var(--white);
}

.about-img-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 120px;
    height: 120px;
    background: var(--gold);
    border-radius: 8px;
    z-index: -1;
    opacity: 0.3;
}

.about-content .section-title {
    margin-bottom: 28px;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--text-mid);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin: 40px 0;
    padding: 32px 0;
    border-top: 1px solid var(--cream-dark);
    border-bottom: 1px solid var(--cream-dark);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--navy-deep);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-light);
}

/* --- Experience Section --- */
.experience-section {
    padding: 120px 0;
    background: var(--navy-deep);
    position: relative;
    overflow: hidden;
}

.experience-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 50% 50% at 0% 0%, rgba(201, 168, 76, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 100% 100%, rgba(45, 106, 79, 0.1) 0%, transparent 60%);
}

.experience-section .section-header {
    position: relative;
    z-index: 1;
}

.experience-section .section-title {
    color: var(--white);
}

.experience-section .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.experience-card {
    padding: 48px 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    transition: all var(--transition);
}

.experience-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(201, 168, 76, 0.3);
    transform: translateY(-4px);
}

.experience-icon {
    margin-bottom: 24px;
}

.experience-title {
    font-size: 1.375rem;
    color: var(--white);
    margin-bottom: 12px;
}

.experience-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* --- Visit Section --- */
.visit-section {
    padding: 120px 0;
    background: var(--cream);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.visit-info .section-title {
    margin-bottom: 20px;
}

.visit-text {
    font-size: 1.0625rem;
    color: var(--text-mid);
    line-height: 1.7;
    margin-bottom: 40px;
}

.visit-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 40px;
}

.visit-detail {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.visit-detail-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(10, 22, 40, 0.06);
}

.visit-detail strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--navy-deep);
    margin-bottom: 4px;
}

.visit-detail p {
    font-size: 0.9375rem;
    color: var(--text-mid);
    line-height: 1.6;
}

.visit-detail a {
    color: var(--gold);
    font-weight: 500;
}

.visit-detail a:hover {
    color: var(--gold-light);
    text-decoration: underline;
}

.visit-map {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(10, 22, 40, 0.12);
    aspect-ratio: 4/3;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    min-height: 400px;
}

/* --- Contact Section --- */
.contact-section {
    padding: 120px 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-content .section-title {
    margin-bottom: 20px;
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--text-mid);
    line-height: 1.7;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--navy-deep);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--cream-dark);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--text-dark);
    background: var(--cream);
    transition: all var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #e8f5e9;
    border-radius: 4px;
    color: #2d6a4f;
    font-weight: 500;
    font-size: 0.9375rem;
}

.form-success.show {
    display: flex;
}

/* --- Footer --- */
.footer {
    padding: 80px 0 0;
    background: var(--navy-deep);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-tagline {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.3);
}

/* --- Mobile Menu --- */
@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--navy-deep);
        flex-direction: column;
        justify-content: center;
        gap: 28px;
        padding: 40px;
        transition: right var(--transition);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-link {
        font-size: 0.9375rem;
    }

    .nav-link--cta {
        margin-top: 12px;
    }

    .hero-headline {
        font-size: clamp(2.25rem, 8vw, 3.5rem);
    }

    .about-grid,
    .visit-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-images {
        max-width: 500px;
    }

    .about-img-secondary {
        right: -20px;
        bottom: -20px;
    }

    .experience-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-trust {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .menu-grid {
        grid-template-columns: 1fr;
    }

    .menu-categories {
        gap: 6px;
    }

    .menu-cat {
        padding: 8px 16px;
        font-size: 0.75rem;
    }

    .about-stats {
        flex-direction: column;
        gap: 24px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* --- Scroll Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}