:root {
  --ink: #111b28;
  --muted: #647081;
  --line: #e4e9ef;
  --paper: #f6f8fb;
  --white: #fff;
  --lime: #c8ff45;
  --blue: #2369ff;
  --navy: #08111f;
  font-family: "Pretendard", "Noto Sans KR", Inter, system-ui, -apple-system, sans-serif;
  color: var(--ink);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); }
a { color: inherit; }
img { display: block; max-width: 100%; }
.wrap { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 20; height: 74px;
  background: rgba(255,255,255,.9); border-bottom: 1px solid rgba(17,27,40,.08);
  backdrop-filter: blur(18px);
}
.nav { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 850; letter-spacing: -.04em; font-size: 20px; }
.brand-mark { width: 28px; aspect-ratio: 1; border-radius: 9px 4px 9px 4px; background: var(--ink); position: relative; transform: rotate(-7deg); }
.brand-mark::after { content: ""; position: absolute; width: 8px; height: 8px; background: var(--lime); border-radius: 50%; right: 4px; top: 4px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { text-decoration: none; color: #3e4957; font-size: 14px; font-weight: 650; }
.nav-links .nav-cta { color: white; background: var(--ink); border-radius: 999px; padding: 11px 18px; }
.menu-button { display: none; border: 0; background: none; font-size: 25px; }

.hero { background: var(--paper); overflow: hidden; }
.hero-grid { min-height: 680px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 70px; padding-block: 74px; }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
h1 { font-size: clamp(52px, 6.1vw, 84px); line-height: .98; letter-spacing: -.075em; margin: 26px 0; }
.accent { color: var(--blue); }
.hero-copy { max-width: 520px; color: var(--muted); font-size: 18px; line-height: 1.75; word-break: keep-all; }
.actions { display: flex; gap: 12px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border-radius: 12px; text-decoration: none; font-weight: 800; font-size: 15px; border: 1px solid var(--line); background: white; }
.button.primary { background: var(--ink); color: white; border-color: var(--ink); }
.visual { position: relative; }
.visual::before { content: ""; position: absolute; inset: 8% -15% -7% 13%; background: var(--lime); border-radius: 48% 52% 45% 55%; transform: rotate(-8deg); }
.phone { position: relative; width: min(410px, 90%); margin: auto; padding: 10px; background: #080d13; border-radius: 38px; box-shadow: 0 40px 100px rgba(19, 44, 82, .25); transform: rotate(3deg); }
.phone img { width: 100%; aspect-ratio: 1.42/1; object-fit: cover; border-radius: 29px; min-height: 500px; }
.app-chip { position: absolute; left: -35px; bottom: 45px; display: flex; align-items: center; gap: 12px; padding: 12px 18px 12px 12px; background: white; border-radius: 16px; box-shadow: 0 18px 45px rgba(13,29,51,.18); font-size: 13px; font-weight: 800; }
.app-chip img { width: 44px; height: 44px; border-radius: 11px; }
.app-chip small { display: block; color: var(--muted); margin-top: 3px; font-weight: 600; }

.section { padding: 120px 0; }
.section.dark { color: white; background: var(--navy); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 52px; }
.section h2 { margin: 14px 0 0; max-width: 650px; font-size: clamp(38px, 5vw, 62px); line-height: 1.08; letter-spacing: -.065em; word-break: keep-all; }
.section-lead { max-width: 420px; color: var(--muted); line-height: 1.75; word-break: keep-all; }
.dark .eyebrow { color: var(--lime); }.dark .eyebrow::before { background: var(--lime); }
.dark .section-lead { color: #9eabba; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { min-height: 270px; border-radius: 24px; padding: 28px; background: #111d2d; border: 1px solid #203047; display: flex; flex-direction: column; justify-content: space-between; }
.feature-icon { font-size: 29px; }
.feature h3 { margin: 0 0 10px; font-size: 22px; letter-spacing: -.035em; }
.feature p { margin: 0; color: #9eabba; line-height: 1.65; font-size: 15px; }
.safety { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.safety-card { padding: 44px; background: var(--paper); border-radius: 28px; }
.safety-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.safety-list li { display: flex; gap: 14px; line-height: 1.55; color: #4f5b6b; }
.check { flex: 0 0 auto; display: grid; place-items: center; width: 27px; height: 27px; background: var(--lime); border-radius: 8px; color: var(--ink); font-weight: 900; }
.cta { padding: 48px; border-radius: 28px; background: var(--blue); color: white; display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.cta h2 { margin: 0 0 10px; font-size: clamp(30px, 4vw, 48px); }
.cta p { margin: 0; color: #dbe6ff; }
.cta .button { border: 0; white-space: nowrap; }

.footer { background: var(--navy); color: white; padding: 54px 0 34px; }
.footer-row { display: flex; justify-content: space-between; gap: 40px; align-items: start; }
.footer p { color: #8795a8; font-size: 13px; line-height: 1.6; margin: 16px 0 0; }
.footer-links { display: flex; gap: 24px; font-size: 13px; color: #c7d0dc; }
.footer-links a { text-decoration: none; }

.policy-main { background: var(--paper); padding: 78px 0 110px; }
.policy-header { max-width: 760px; margin-bottom: 44px; }
.policy-header h1 { font-size: clamp(44px, 7vw, 72px); margin-bottom: 22px; }
.policy-header p { color: var(--muted); line-height: 1.8; }
.policy-layout { display: grid; grid-template-columns: 220px 1fr; gap: 50px; align-items: start; }
.policy-nav { position: sticky; top: 105px; display: grid; gap: 12px; font-size: 13px; }
.policy-nav a { color: var(--muted); text-decoration: none; }
.policy-card { background: white; padding: clamp(28px, 6vw, 64px); border-radius: 28px; box-shadow: 0 15px 50px rgba(23,38,58,.06); }
.policy-card section { scroll-margin-top: 100px; padding: 0 0 38px; margin: 0 0 38px; border-bottom: 1px solid var(--line); }
.policy-card section:last-child { border: 0; margin: 0; padding: 0; }
.policy-card h2 { font-size: 24px; letter-spacing: -.04em; margin: 0 0 16px; }
.policy-card h3 { font-size: 17px; margin: 25px 0 8px; }
.policy-card p, .policy-card li { color: #536070; line-height: 1.8; font-size: 15px; }
.policy-card ul { padding-left: 21px; }
.info-table { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: 14px; }
.info-table th, .info-table td { border: 1px solid var(--line); padding: 15px; text-align: left; vertical-align: top; line-height: 1.6; }
.info-table th { background: var(--paper); }
.notice { padding: 18px 20px; background: #f1f6ff; border-left: 3px solid var(--blue); border-radius: 8px; }

@media (max-width: 820px) {
  .wrap { width: min(100% - 32px, 620px); }
  .nav-links { display: none; position: absolute; top: 73px; left: 0; right: 0; padding: 22px 24px; background: white; flex-direction: column; align-items: stretch; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }.menu-button { display: block; }
  .hero-grid { grid-template-columns: 1fr; padding-block: 60px 90px; }
  .visual { margin-top: 10px; }.phone { width: 90%; }.phone img { min-height: 390px; }.app-chip { left: -5px; }
  .section { padding: 84px 0; }.section-head, .footer-row, .cta { align-items: start; flex-direction: column; }
  .features { grid-template-columns: 1fr; }.feature { min-height: 220px; }
  .safety { grid-template-columns: 1fr; gap: 40px; }
  .policy-layout { grid-template-columns: 1fr; }.policy-nav { display: none; }
  .info-table { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }