@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard-dynamic-subset.css");

:root {
    --brand: #3366ff;
    --brand-dark: #2450d8;
    --ink: #1c2233;
    --ink-soft: #5b6478;
    --line: #e4e8f0;
    --bg: #ffffff;
    --bg-alt: #f6f8fc;
    --nav: #212529;
    --r-card: 16px;
    --r-pill: 50px;
    --wrap: 1080px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- 네비 ---------- */
.nav {
    position: sticky; top: 0; z-index: 50;
    background: var(--nav);
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 58px; }
.brand { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 800; font-size: 1.05rem; letter-spacing: -.01em; }
.brand svg { width: 20px; height: 20px; }
.nav-links { display: flex; gap: 22px; margin-left: 8px; }
.nav-links a { color: rgba(255,255,255,.72); font-size: .875rem; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: #fff; }
.nav-right { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.nav-start {
    background: var(--brand); color: #fff; font-size: .8rem; font-weight: 700;
    padding: 6px 18px; border-radius: var(--r-pill); transition: background .15s;
}
.nav-start:hover { background: var(--brand-dark); }
.lang { display: flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 700; }
.lang a { color: rgba(255,255,255,.5); }
.lang a:hover { color: #fff; }
.lang .on { color: var(--brand); }
.lang span { color: rgba(255,255,255,.25); }

/* ---------- 히어로 ---------- */
.hero { padding: 88px 0 72px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.eyebrow {
    font-size: .75rem; font-weight: 700; letter-spacing: .12em;
    color: var(--brand); text-transform: uppercase; margin-bottom: 20px;
}
.hero h1 {
    margin: 0 0 22px;
    font-size: clamp(2rem, 4.2vw, 3.1rem);
    font-weight: 800; line-height: 1.25; letter-spacing: -.035em;
}
.hero p { margin: 0; color: var(--ink-soft); font-size: 1.02rem; }
.hero p + p { margin-top: 2px; }
.cta { display: flex; align-items: center; gap: 18px; margin-top: 36px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 30px; border-radius: var(--r-pill);
    font-weight: 700; font-size: .95rem; border: 0; cursor: pointer;
    transition: transform .15s, box-shadow .15s, background .15s;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(51,102,255,.28); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(51,102,255,.32); }
.btn-ghost { color: var(--ink); font-weight: 600; padding: 14px 4px; }
.btn-ghost:hover { color: var(--brand); }
.btn svg { width: 18px; height: 18px; }

/* 히어로 스크린샷 목업 */
.shots { position: relative; height: 400px; }
.shots img {
    position: absolute; border-radius: 12px; border: 1px solid var(--line);
    box-shadow: 0 22px 50px rgba(28,34,51,.16);
    background: #fff;
}
.shots img:nth-child(1) { width: 76%; top: 0;    right: 14%; z-index: 3; }
.shots img:nth-child(2) { width: 70%; top: 62px; right: 4%;  z-index: 2; opacity: .96; }
.shots img:nth-child(3) { width: 64%; top: 122px;right: 0;   z-index: 1; opacity: .9; }

/* ---------- 기관 라인 ---------- */
.org {
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
    background: var(--bg-alt);
    text-align: center; padding: 18px 0;
    font-size: .84rem; font-weight: 600; letter-spacing: .02em; color: var(--ink-soft);
}

/* ---------- 섹션 공통 ---------- */
section { padding: 88px 0; }
.sec-head { max-width: 640px; margin-bottom: 48px; }
.sec-head h2 { margin: 0 0 12px; font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 800; letter-spacing: -.03em; }
.sec-head p { margin: 0; color: var(--ink-soft); }

/* ---------- 특징 ---------- */
.features { background: var(--bg-alt); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--r-card);
    padding: 28px 26px; transition: transform .18s, box-shadow .18s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(28,34,51,.08); }
.card svg { width: 22px; height: 22px; color: var(--brand); margin-bottom: 16px; }
.card h3 { margin: 0 0 8px; font-size: 1.02rem; font-weight: 700; }
.card p { margin: 0; font-size: .9rem; color: var(--ink-soft); line-height: 1.6; }

/* ---------- 다운로드 ---------- */
.dl-box {
    display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center;
    border: 1px solid var(--line); border-radius: var(--r-card);
    padding: 44px; background: var(--bg-alt);
}
.dl-meta { margin-top: 14px; font-size: .82rem; color: var(--ink-soft); }
.dl-soon {
    display: inline-block; padding: 12px 26px; border-radius: var(--r-pill);
    background: #eef1f7; color: var(--ink-soft); font-weight: 700; font-size: .95rem;
}
.req { margin: 0; padding: 0; list-style: none; }
.req strong { display: block; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 14px; }
.req li { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; padding: 5px 0; }
.req li svg { width: 16px; height: 16px; color: var(--brand); flex-shrink: 0; margin-top: 5px; }

/* ---------- 설치 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { border-top: 2px solid var(--brand); padding-top: 22px; }
.step .n { font-size: .78rem; font-weight: 800; color: var(--brand); letter-spacing: .1em; }
.step h3 { margin: 8px 0 8px; font-size: 1.02rem; font-weight: 700; }
.step p { margin: 0; font-size: .9rem; color: var(--ink-soft); }
.step code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .95em; background: #eef1f7; padding: 1px 6px; border-radius: 5px;
}

/* ---------- 왜 여는가 ---------- */
.why { background: var(--nav); color: #fff; }
.why .sec-head h2 { color: #fff; }
.why-body { max-width: 720px; }
.why-body p { color: rgba(255,255,255,.68); font-size: 1rem; margin: 0 0 18px; }
.why-body p:last-child { margin-bottom: 0; }

/* ---------- 푸터 ---------- */
footer { border-top: 1px solid var(--line); padding: 44px 0; font-size: .85rem; color: var(--ink-soft); }
footer .wrap { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
footer .f-brand { font-weight: 800; color: var(--ink); font-size: 1rem; }
footer .f-org { margin-top: 4px; }
footer dl { margin: 0; display: grid; grid-template-columns: auto auto; gap: 4px 16px; }
footer dt { font-weight: 600; color: var(--ink); }
footer dd { margin: 0; }
footer .copy { width: 100%; padding-top: 24px; border-top: 1px solid var(--line); font-size: .8rem; }

/* ---------- 반응형 ---------- */
@media (max-width: 900px) {
    .hero { padding: 56px 0 48px; }
    .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
    .shots { height: 300px; }
    .grid, .steps { grid-template-columns: 1fr; }
    .dl-box { grid-template-columns: 1fr; padding: 32px 24px; gap: 32px; }
    section { padding: 64px 0; }
    .nav-links { display: none; }
}