:root {
    --color-bg: #faf9f6;
    --color-bg-alt: #f3f1eb;
    --color-surface: #ffffff;
    --color-border: #e2ddd3;
    --color-text: #1a2340;
    --color-muted: #5a6278;
    --color-primary: #1a2340;
    --color-primary-hover: #2d3a5c;
    --color-accent: #c9a227;
    --color-accent-soft: #f5e6b8;
    --color-yellow: #e8c547;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow: 0 8px 32px rgba(26, 35, 64, 0.08);
    --font: "DM Sans", "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
    --container: 1120px;
    --header-h: 72px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.container {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 249, 246, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-h);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-mark {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    background: var(--color-yellow);
    color: var(--color-primary);
    border-radius: 50%;
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* Brand logo image (logo_a.png in /images/) */
.brand-logo-img {
    display: block;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-logo-img--header {
    height: 52px;
    width: auto;
    max-width: 320px;
}

.brand-logo-img--nav {
    width: 36px;
    height: 36px;
}

.brand-logo-img--mark {
    width: 40px;
    height: 40px;
}

.brand-logo-img--seal {
    width: 48px;
    height: 48px;
}

.brand-logo-img--keywords {
    width: 28px;
    height: 28px;
}

.brand-logo-img--footer {
    width: 40px;
    height: 40px;
}

.nav-brand-badge {
    display: flex;
    line-height: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-en {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.logo-ko {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-muted);
}

.footer-tagline {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin: 0 0 0.5rem;
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: var(--color-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--color-primary);
    color: #faf9f6;
}

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

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

.btn-outline:hover {
    border-color: var(--color-muted);
}

.btn-ghost {
    background: var(--color-accent-soft);
    color: var(--color-primary);
}

.btn-light {
    background: #fff;
    color: var(--color-primary);
    border: 2px solid #fff;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Hero */
.hero {
    padding: 4rem 0 3rem;
    background:
        radial-gradient(ellipse 70% 50% at 85% 15%, rgba(232, 197, 71, 0.25), transparent),
        radial-gradient(ellipse 50% 40% at 10% 90%, rgba(26, 35, 64, 0.04), transparent);
}

.hero-ko {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 0.25rem;
    letter-spacing: -0.02em;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.eyebrow {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin: 0 0 0.75rem;
}

.hero h1 {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 1.15;
    margin: 0 0 1rem;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-lead {
    color: var(--color-muted);
    font-size: 1.1rem;
    max-width: 32rem;
    margin: 0 0 1.75rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.hero-stats li {
    display: flex;
    flex-direction: column;
}

.hero-stats strong {
    font-size: 1.35rem;
    color: var(--color-text);
}

.hero-stats span {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.hero-visual {
    position: relative;
    height: 360px;
}

.hero-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    font-weight: 500;
}

.card-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.hero-card-1 { top: 10%; left: 5%; }
.hero-card-2 { top: 42%; right: 0; }
.hero-card-3 { bottom: 8%; left: 20%; }

.brand-strip {
    padding: 2rem 0;
    background: var(--color-primary);
    color: #faf9f6;
}

.brand-strip-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand-strip-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.brand-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.brand-pill {
    padding: 0.4rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.tagline-en {
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-accent) !important;
}

.section-sub {
    color: var(--color-muted);
    margin: 0.5rem 0 0;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
}

.footer-locations li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    font-size: 0.85rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.loc-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-yellow);
    flex-shrink: 0;
}

/* Sections */
.section {
    padding: 4.5rem 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    margin: 0;
}

.row-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    text-align: left;
}

.link-arrow {
    color: var(--color-accent);
    font-weight: 600;
}

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

/* Features */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.15rem;
}

.feature-card p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* Product filter (JavaScript) */
.product-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.45rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-muted);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-yellow);
    border-color: var(--color-yellow);
    color: var(--color-primary);
}

.filter-empty {
    text-align: center;
    color: var(--color-muted);
    padding: 2rem;
}

.filter-empty.hidden {
    display: none;
}

/* Product cards */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.product-grid-full {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}

.product-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.product-card-visual {
    height: 140px;
    position: relative;
    display: flex;
    align-items: flex-start;
    padding: 1rem;
}

.visual-branding { background: linear-gradient(135deg, #7c3aed, #ff6b9d); }
.visual-goods { background: linear-gradient(135deg, #db2777, #f97316); }
.visual-illustration { background: linear-gradient(135deg, #4f46e5, #22d3ee); }
.visual-package { background: linear-gradient(135deg, #059669, #84cc16); }
.visual-collab { background: linear-gradient(135deg, #ea580c, #facc15); }
.visual-store { background: linear-gradient(135deg, #2563eb, #a855f7); }

.product-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 6px;
}

.badge-lg {
    display: inline-block;
    margin-bottom: 0.75rem;
}

.featured-label {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-accent);
    color: #1a1a1a;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.product-card-body {
    padding: 1.5rem;
}

.product-card-body h3 {
    margin: 0 0 0.35rem;
    font-size: 1.2rem;
}

.product-tagline {
    color: var(--color-muted);
    font-size: 0.9rem;
    margin: 0 0 0.75rem;
}

.product-desc-short {
    color: var(--color-muted);
    font-size: 0.85rem;
    margin: 0 0 1rem;
    line-height: 1.5;
}

.product-price {
    font-weight: 600;
    color: var(--color-accent);
    margin: 0 0 1rem;
}

.product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* CTA */
.cta-banner {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--color-primary), #2d3a5c);
    color: #faf9f6;
}

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

.cta-inner h2 {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
}

.cta-inner p {
    margin: 0 0 1.5rem;
    opacity: 0.9;
}

/* Page hero */
.page-hero {
    padding: 3.5rem 0 2rem;
    border-bottom: 1px solid var(--color-border);
}

.page-hero-compact {
    padding-bottom: 1.5rem;
}

.page-hero h1 {
    font-size: 2.5rem;
    margin: 0 0 0.5rem;
}

.page-lead {
    color: var(--color-muted);
    font-size: 1.1rem;
    max-width: 36rem;
    margin: 0;
}

.breadcrumb {
    display: inline-block;
    color: var(--color-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.breadcrumb:hover {
    color: var(--color-primary);
}

/* Detail */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: start;
}

.detail-visual {
    border-radius: var(--radius-lg);
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-visual-inner {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    display: grid;
    place-items: center;
    box-shadow: var(--shadow);
}

.detail-icon {
    font-size: 3.5rem;
}

.detail-content h2 {
    margin-top: 0;
}

.detail-description {
    color: var(--color-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.detail-highlights ul {
    padding-left: 1.25rem;
    color: var(--color-muted);
}

.detail-highlights li {
    margin-bottom: 0.35rem;
}

.detail-pricing {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin: 2rem 0;
    padding: 1.25rem;
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.price-label {
    color: var(--color-muted);
}

.price-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
}

.detail-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-block {
    padding: 2rem;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.about-block h2 {
    margin-top: 0;
    font-size: 1.25rem;
}

.about-block ul {
    padding-left: 1.2rem;
    color: var(--color-muted);
}

.timeline {
    display: grid;
    gap: 1.5rem;
    max-width: 600px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.timeline-year {
    font-weight: 700;
    color: var(--color-accent);
}

/* Contact */
.contact-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-form {
    background: var(--color-surface);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.form-row {
    margin-bottom: 1.25rem;
}

.form-row label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
}

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

.form-note {
    font-size: 0.85rem;
    color: var(--color-muted);
    margin: 0 0 1rem;
}

.contact-info {
    padding: 2rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.contact-brand-text {
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    margin: 0 0 1.25rem;
    font-size: 0.95rem;
}

.contact-locations {
    margin-bottom: 1.5rem;
}

.contact-info h3 {
    margin-top: 0;
}

.contact-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-info li {
    margin-bottom: 1.25rem;
}

.contact-info strong {
    display: block;
    font-size: 0.8rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

/* Footer */
.site-footer {
    margin-top: auto;
    padding: 3rem 0 1.5rem;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

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

.footer-desc {
    color: var(--color-muted);
    font-size: 0.9rem;
    margin: 1rem 0 0;
}

.site-footer h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-muted);
    margin: 0 0 1rem;
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer li {
    margin-bottom: 0.5rem;
}

.site-footer a:hover {
    color: var(--color-primary);
}

.footer-contact li {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-muted);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 200;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 900px) {
    .hero-inner,
    .detail-layout,
    .contact-layout,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        height: 240px;
    }

    .feature-grid,
    .product-grid {
        grid-template-columns: 1fr;
    }

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

    .row-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 640px) {
    .main-nav {
        display: none;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-alt);
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
    }

    .main-nav.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }

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