:root {
    --ink: #161412;
    --muted: #5c564e;
    --paper: #f6f1e8;
    --card: #fffdf8;
    --line: #e4dccf;
    --accent: #c24b1e;
    --accent-ink: #8f3010;
    --sea: #1e3d36;
    --max: 68rem;
    --serif: "Noto Serif KR", "Apple SD Gothic Neo", serif;
    --sans: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 1.05rem;
    line-height: 1.65;
}

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

a {
    color: inherit;
}

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

.skip {
    position: absolute;
    left: .75rem;
    top: -3rem;
    background: var(--ink);
    color: #fff;
    padding: .5rem .8rem;
    z-index: 20;
}

.skip:focus {
    top: .75rem;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .85rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    text-decoration: none;
    font-weight: 720;
    letter-spacing: -.02em;
}

.brand img {
    width: 36px;
    height: 36px;
}

.nav-links {
    display: flex;
    gap: 1.1rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: .92rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
}

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

.nav-cta {
    text-decoration: none;
    background: var(--ink);
    color: #fff !important;
    padding: .45rem .8rem;
    border-radius: 999px;
}

.hero {
    padding: 4.2rem 0 3.2rem;
}

.kicker {
    margin: 0 0 .8rem;
    color: var(--accent-ink);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .12em;
}

h1 {
    margin: 0;
    font-family: var(--serif);
    font-size: clamp(2.2rem, 6vw, 4.1rem);
    line-height: 1.18;
    letter-spacing: -.03em;
}

.lede {
    max-width: 38rem;
    margin: 1.2rem 0 0;
    color: var(--muted);
    font-size: 1.08rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
    margin-top: 1.6rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 999px;
    padding: .8rem 1.15rem;
    font-weight: 650;
}

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

.btn-ghost {
    border: 1px solid var(--ink);
}

.band {
    background: var(--sea);
    color: #eef4f1;
    padding: 1.1rem 0;
}

.band-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    font-size: .95rem;
}

.band strong {
    display: block;
    color: #fff;
    font-size: 1.05rem;
}

section {
    padding: 4rem 0;
}

.section-title {
    margin: 0 0 .4rem;
    font-family: var(--serif);
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    letter-spacing: -.02em;
}

.section-desc {
    margin: 0 0 1.8rem;
    color: var(--muted);
    max-width: 40rem;
}

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

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 1.25rem 1.2rem 1.3rem;
}

.card h3 {
    margin: 0 0 .45rem;
    font-size: 1.12rem;
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: .98rem;
}

.works {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.work {
    display: block;
    text-decoration: none;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 1.2rem;
}

.work span {
    color: var(--accent-ink);
    font-size: .8rem;
    font-weight: 700;
}

.work h3 {
    margin: .25rem 0 .35rem;
    font-size: 1.15rem;
}

.work p {
    margin: 0;
    color: var(--muted);
    font-size: .95rem;
}

.steps {
    display: grid;
    gap: 0;
}

.step {
    display: grid;
    grid-template-columns: 4.5rem 1fr;
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--line);
}

.step:last-child {
    border-bottom: 1px solid var(--line);
}

.step b {
    font-family: var(--serif);
    font-size: 1.3rem;
}

.step h3 {
    margin: 0 0 .2rem;
}

.step p {
    margin: 0;
    color: var(--muted);
}

.faq {
    display: grid;
    gap: .7rem;
}

details {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: .85rem;
    padding: .9rem 1rem;
}

summary {
    cursor: pointer;
    font-weight: 700;
}

details p {
    margin: .6rem 0 0;
    color: var(--muted);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 1.2rem;
}

.contact-box {
    background: var(--sea);
    color: #e8f0ec;
    border-radius: 1.1rem;
    padding: 1.5rem;
}

.contact-box h2 {
    color: #fff;
}

.contact-box a {
    color: #fff;
}

.nap {
    margin: 1rem 0 0;
    font-style: normal;
}

.nap p {
    margin: .25rem 0;
}

.facts {
    display: grid;
    gap: .7rem;
    margin: 0;
}

.facts>div {
    display: grid;
    grid-template-columns: 6.5rem 1fr;
    gap: .8rem;
    padding: .85rem 1rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: .85rem;
}

.facts dt {
    margin: 0;
    color: var(--muted);
    font-size: .88rem;
}

.facts dd {
    margin: 0;
    font-weight: 650;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 1.6rem 0 2.2rem;
    color: var(--muted);
    font-size: .88rem;
}

.site-footer small {
    display: block;
    margin-top: .35rem;
}

.site-footer .company-info {
    display: flex;
    flex-wrap: wrap;
}

.site-footer .company-info p {
    margin: 0;
    color: var(--muted);
    font-size: .88rem;
}

.site-footer .company-info p span {
    margin-inline: .8rem .2rem;
    color: var(--muted);
    font-size: .88rem;
}

.site-footer .company-info p strong {
    font-weight: 650;
}

@media (max-width: 840px) {
    .nav-links {
        display: none;
    }

    .band-row,
    .cards,
    .works,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 2.8rem;
    }

    .site-footer .company-info {
        flex-direction: column;
    }

    .site-footer .company-info p span {
        margin-inline: 0 0.2rem
    }


}