:root {
  --ink: #0b1b2b;
  --ink-2: #33475b;
  --muted: #6b7c8f;
  --line: #e3e9ef;
  --bg: #ffffff;
  --bg-soft: #f5f8fb;
  --navy: #0a2540;
  --navy-2: #12345a;
  --accent: #19c2a0;
  --accent-2: #3d8bff;
  --radius: 18px;
  --max: 1120px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { display: block; max-width: 100%; }

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

/* ── Header ───────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -.01em; font-size: 18px; }
.brand svg { width: 30px; height: 30px; }
.brand small { font-weight: 500; color: var(--muted); font-size: 13px; letter-spacing: .04em; }
.nav { display: flex; gap: 28px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
@media (max-width: 720px) { .nav { display: none; } }

/* ── Hero ─────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 520px at 85% -10%, rgba(61,139,255,.28), transparent 60%),
    radial-gradient(900px 480px at 0% 110%, rgba(25,194,160,.22), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, #081c33 100%);
  color: #fff;
}
.hero .wrap { position: relative; padding: 120px 24px 140px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: #9fd9cc; font-weight: 600;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.hero h1 {
  margin: 22px 0 0;
  font-size: clamp(38px, 6.4vw, 72px);
  line-height: 1.12; letter-spacing: -.035em; font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #5ee7c9, #7fb2ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { margin: 26px 0 0; max-width: 560px; font-size: clamp(16px, 2vw, 19px); color: #c4d3e3; }
.hero .cta { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px; border-radius: 999px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  transition: transform .15s ease, background .2s, border-color .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: #fff; color: var(--navy); }
.btn-ghost { border: 1px solid rgba(255,255,255,.28); color: #fff; }
.btn-ghost:hover { border-color: rgba(255,255,255,.6); }

.hero-art { position: absolute; left: 0; right: 0; bottom: -2px; width: 100%; height: auto; pointer-events: none; }
.hero-art .arc { stroke-dasharray: 1600; stroke-dashoffset: 1600; animation: draw 2.4s .2s cubic-bezier(.6,.1,.2,1) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) { .hero-art .arc { animation: none; stroke-dashoffset: 0; } }

/* ── Sections ─────────────────────────── */
section { padding: 112px 0; }
section.soft { background: var(--bg-soft); }
.section-head { max-width: 640px; }
.section-head .eyebrow { color: var(--accent); }
.section-head h2 { margin: 14px 0 0; font-size: clamp(28px, 3.8vw, 42px); line-height: 1.25; letter-spacing: -.03em; font-weight: 800; }
.section-head p { margin: 18px 0 0; color: var(--ink-2); font-size: 17px; }

.about-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -24px rgba(10,37,64,.35); }
.card .icon {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(25,194,160,.14), rgba(61,139,255,.14));
  color: var(--navy-2);
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { margin: 22px 0 8px; font-size: 19px; letter-spacing: -.02em; }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

.steps { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; counter-reset: step; position: relative; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; gap: 28px; } }
.step { position: relative; padding: 0 28px 0 0; }
.step .num {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy); color: #fff; font-weight: 700; font-size: 15px;
  position: relative; z-index: 1;
}
.step::before {
  content: ""; position: absolute; top: 20px; left: 40px; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.step:last-child::before { display: none; }
@media (max-width: 900px) { .step::before { display: none; } }
.step h3 { margin: 20px 0 6px; font-size: 18px; letter-spacing: -.02em; }
.step p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

.note {
  margin-top: 48px; padding: 20px 24px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line);
  color: var(--ink-2); font-size: 15px;
}
.note strong { color: var(--ink); }

/* ── Contact ──────────────────────────── */
.contact { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } }
.contact-list { display: grid; gap: 14px; }
.contact-item {
  display: flex; align-items: center; gap: 18px;
  padding: 22px 24px; border-radius: var(--radius);
  border: 1px solid var(--line); background: #fff; text-decoration: none;
  transition: border-color .2s, transform .2s;
}
.contact-item:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-item .label { font-size: 13px; color: var(--muted); letter-spacing: .02em; }
.contact-item .value { font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.contact-item .icon { flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--bg-soft); color: var(--navy-2); }
.contact-item .icon svg { width: 22px; height: 22px; }

/* ── Footer ───────────────────────────── */
.site-footer { background: var(--navy); color: #a9bbcd; font-size: 14px; }
.site-footer .wrap { padding: 56px 24px 48px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: center; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.1); }
.site-footer .brand { color: #fff; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { text-decoration: none; }
.footer-links a.privacy { color: #fff; font-weight: 700; }
.footer-info { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 6px 20px; }
.footer-info span b { color: #d7e2ee; font-weight: 600; margin-right: 6px; }
.copy { margin-top: 18px; color: #7890a8; font-size: 13px; }

/* ── Policy page ──────────────────────── */
.policy-hero { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.policy-hero .wrap { padding: 72px 24px 56px; }
.policy-hero h1 { margin: 12px 0 0; font-size: clamp(30px, 4.4vw, 44px); letter-spacing: -.03em; line-height: 1.2; }
.policy-hero .meta { margin-top: 14px; color: var(--muted); font-size: 15px; }
.policy-layout { display: grid; grid-template-columns: 240px 1fr; gap: 64px; padding: 64px 0 120px; }
@media (max-width: 900px) { .policy-layout { grid-template-columns: 1fr; gap: 32px; } }
.toc { position: sticky; top: 92px; align-self: start; font-size: 14px; }
@media (max-width: 900px) { .toc { position: static; } }
.toc p { margin: 0 0 12px; font-weight: 700; font-size: 13px; letter-spacing: .08em; color: var(--muted); }
.toc ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: block; padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--ink-2); }
.toc a::before { content: counter(toc) ". "; color: var(--muted); }
.toc a:hover { background: var(--bg-soft); color: var(--ink); }

.policy { min-width: 0; font-size: 16px; color: var(--ink-2); }
.policy .intro { padding: 24px 26px; background: var(--bg-soft); border-radius: 14px; margin: 0 0 48px; }
.policy h2 { color: var(--ink); font-size: 22px; letter-spacing: -.02em; margin: 56px 0 16px; padding-top: 8px; scroll-margin-top: 90px; }
.policy h2:first-of-type { margin-top: 0; }
.policy p { margin: 0 0 12px; }
.policy ul { margin: 6px 0 16px; padding-left: 20px; }
.policy li { margin: 4px 0; }
.policy ol.plain { list-style: none; padding: 0; margin: 6px 0 16px; }
.policy ol.plain li { margin: 6px 0; }
.policy strong { color: var(--ink); }
.table-scroll { overflow-x: auto; margin: 12px 0 20px; border: 1px solid var(--line); border-radius: 12px; }
.policy table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 620px; }
.policy th, .policy td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.policy th { background: var(--bg-soft); color: var(--ink); font-weight: 700; white-space: nowrap; }
.policy tr:last-child td { border-bottom: 0; }
.policy td.empty { color: var(--muted); text-align: center; }
.officer { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; padding: 20px 24px; border: 1px solid var(--line); border-radius: 14px; margin: 12px 0 16px; }
.officer dt { color: var(--muted); }
.officer dd { margin: 0; color: var(--ink); font-weight: 600; }
.back-top { display: inline-block; margin-top: 56px; font-size: 14px; color: var(--muted); }