:root {
  color-scheme: dark;
  --bg: #050716;
  --surface: rgba(13, 19, 43, 0.82);
  --surface-strong: #111934;
  --line: rgba(148, 181, 255, 0.17);
  --line-strong: rgba(90, 228, 255, 0.38);
  --text: #f5f7ff;
  --muted: #aab4cf;
  --cyan: #5de7ff;
  --blue: #4f83ff;
  --green: #5af08a;
  --red: #ff6173;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 280px;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(37, 84, 213, 0.22), transparent 34rem),
    radial-gradient(circle at 92% 18%, rgba(18, 190, 210, 0.13), transparent 28rem),
    var(--bg);
  font-family: Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 10px;
  color: #05111b;
  background: var(--cyan);
  font-weight: 800;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 22, 0.88);
  backdrop-filter: blur(18px);
}

.header-inner,
.footer-inner,
.page-shell {
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
  font-weight: 860;
  letter-spacing: -0.025em;
}

.brand img { width: 38px; height: 38px; }
.brand small { color: var(--muted); font-size: 0.72rem; font-weight: 650; letter-spacing: 0.04em; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.87rem;
  font-weight: 680;
}

.site-nav a {
  padding: 9px 11px;
  border-radius: 11px;
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--text); background: rgba(255, 255, 255, 0.07); }

.page-shell { padding-block: 62px 92px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(250px, 0.8fr);
  align-items: center;
  gap: 56px;
  min-height: 470px;
  padding: 54px;
  border: 1px solid var(--line);
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(135deg, rgba(19, 29, 65, 0.94), rgba(7, 11, 29, 0.88)),
    var(--surface);
  box-shadow: var(--shadow);
}

.hero::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -150px;
  top: -170px;
  border-radius: 50%;
  background: rgba(58, 192, 255, 0.16);
  filter: blur(12px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
}

h1,
h2,
h3 { line-height: 1.22; letter-spacing: -0.035em; }

h1 { margin: 0; font-size: clamp(2.45rem, 6vw, 5rem); }
.legal-hero h1 { font-size: clamp(2rem, 5vw, 3.6rem); }

.hero-copy > p:not(.eyebrow) {
  max-width: 650px;
  margin: 22px 0 0;
  color: #c3cce2;
  font-size: 1.08rem;
}

.accent { color: var(--cyan); }

.hero-art { position: relative; z-index: 1; display: grid; place-items: center; }
.hero-art img { width: min(100%, 290px); filter: drop-shadow(0 22px 40px rgba(23, 146, 255, 0.24)); }

.status-row,
.action-row,
.language-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.status-row { margin-top: 28px; }

.status-chip,
.language-jump a {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #cbd4e9;
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.action-row { margin-top: 30px; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  color: #07101d;
  background: linear-gradient(135deg, var(--cyan), #8bf6d1);
  font-weight: 830;
  text-decoration: none;
}

.button.secondary { color: var(--text); background: rgba(255, 255, 255, 0.055); border-color: var(--line); }

.section-heading { margin: 66px 0 24px; }
.section-heading h2 { margin: 0; font-size: clamp(1.65rem, 3vw, 2.45rem); }
.section-heading p { max-width: 680px; margin: 12px 0 0; color: var(--muted); }

.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

.link-card,
.fact-card {
  min-height: 180px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.18);
}

.link-card { display: flex; flex-direction: column; text-decoration: none; transition: transform 160ms ease, border-color 160ms ease; }
.link-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.link-card .index { color: var(--cyan); font-size: 0.73rem; font-weight: 850; letter-spacing: 0.12em; }
.link-card h3 { margin: 24px 0 8px; font-size: 1.28rem; }
.link-card p { margin: 0; color: var(--muted); font-size: 0.94rem; }
.link-card .arrow { margin-top: auto; padding-top: 22px; color: var(--cyan); font-weight: 800; }

.fact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.fact-card { min-height: auto; }
.fact-card strong { display: block; margin-bottom: 7px; font-size: 1.02rem; }
.fact-card span { color: var(--muted); font-size: 0.9rem; }

.legal-hero {
  padding: 44px 0 34px;
  border-bottom: 1px solid var(--line);
}

.legal-hero p:not(.eyebrow) { max-width: 720px; margin: 17px 0 0; color: var(--muted); }
.language-jump { margin-top: 24px; }
.language-jump a:hover { color: var(--text); border-color: var(--line-strong); }

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  align-items: start;
  gap: 52px;
  margin-top: 44px;
}

.legal-document {
  min-width: 0;
  padding: clamp(25px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow-wrap: anywhere;
}

.language-section + .language-section {
  margin-top: 64px;
  padding-top: 64px;
  border-top: 1px solid var(--line);
}

.language-label {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 9px;
  color: var(--cyan);
  background: rgba(93, 231, 255, 0.09);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.updated { margin: 9px 0 30px; color: var(--muted); font-size: 0.87rem; }
.legal-document h2 { margin: 42px 0 12px; color: #f8f9ff; font-size: 1.35rem; }
.legal-document h3 { margin: 26px 0 10px; font-size: 1.05rem; }
.legal-document p,
.legal-document li { color: #c7cfe2; }
.legal-document ul,
.legal-document ol { padding-left: 1.35rem; }
.legal-document li + li { margin-top: 7px; }
.legal-document a { color: var(--cyan); text-underline-offset: 3px; }
.legal-document strong { color: var(--text); }

.notice {
  margin: 26px 0;
  padding: 18px 20px;
  border: 1px solid rgba(90, 240, 138, 0.25);
  border-left: 4px solid var(--green);
  border-radius: 14px;
  color: #d9f7e1;
  background: rgba(38, 148, 80, 0.09);
}

.side-nav {
  position: sticky;
  top: 100px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(10, 15, 34, 0.72);
}

.side-nav strong { display: block; margin-bottom: 10px; font-size: 0.82rem; }
.side-nav a { display: block; padding: 8px 4px; color: var(--muted); font-size: 0.84rem; text-decoration: none; }
.side-nav a:hover { color: var(--cyan); }

.support-panel {
  margin-top: 60px;
  padding: 30px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(21, 48, 89, 0.7), rgba(11, 24, 53, 0.76));
}

.support-panel h2 { margin: 0; }
.support-panel p { color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 120px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 0.84rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--cyan); }

@media (max-width: 820px) {
  .site-nav a:not(.nav-essential) { display: none; }
  .hero { grid-template-columns: 1fr; padding: 34px; }
  .hero-art { order: -1; }
  .hero-art img { width: 160px; }
  .legal-layout { grid-template-columns: 1fr; }
  .side-nav { display: none; }
  .fact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .header-inner,
  .footer-inner,
  .page-shell { width: min(100% - 24px, 1080px); }
  .header-inner { min-height: 66px; }
  .brand small { display: none; }
  .site-nav { gap: 0; }
  .site-nav a { padding-inline: 8px; font-size: 0.78rem; }
  .page-shell { padding-block: 30px 64px; }
  .hero { min-height: auto; padding: 28px 22px; border-radius: 24px; }
  h1 { font-size: 2.4rem; }
  .card-grid { grid-template-columns: 1fr; }
  .legal-document { border-radius: 20px; }
  .footer-inner { padding-block: 28px; align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}