:root {
  --bg: #f4f7fb;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --line: #d7deea;
  --text: #162033;
  --muted: #516079;
  --accent: #1e4ed8;
  --accent-strong: #1436a5;
  --accent-soft: #e7efff;
  --shadow: 0 18px 48px rgba(19, 34, 68, 0.08);
  --radius: 22px;
  --container: 1040px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Pretendard Variable", "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR",
    "Malgun Gothic", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at top, rgba(69, 104, 220, 0.1), transparent 34%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  z-index: 100;
}

.skip-link:focus {
  top: 16px;
}

.site-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(248, 251, 255, 0.82);
  border-bottom: 1px solid rgba(215, 222, 234, 0.72);
}

.inner {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #12295d 0%, #1e4ed8 100%);
  color: #fff;
  box-shadow: 0 12px 24px rgba(30, 78, 216, 0.22);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-name {
  font-size: 1.05rem;
}

.brand-sub {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent-strong);
  background: var(--accent-soft);
}

main {
  padding: 30px 0 72px;
}

.hero {
  display: grid;
  gap: 18px;
  padding: 24px 0 12px;
}

.hero-card,
.panel,
.doc-card,
.contact-card {
  border: 1px solid rgba(215, 222, 234, 0.85);
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 28px 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 700;
}

.hero h1,
.doc-header h1 {
  margin: 14px 0 10px;
  font-size: clamp(2rem, 7vw, 3.55rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.hero-lead {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-note {
  margin: 0;
  color: var(--text);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

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

.button:hover {
  background: var(--accent-strong);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.85);
  color: var(--text);
}

.button-secondary.is-disabled {
  cursor: default;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
}

.grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.grid.two-up {
  grid-template-columns: 1fr;
}

.panel {
  padding: 22px 20px;
}

.panel h2,
.doc-card h2 {
  margin: 0 0 8px;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.panel p,
.doc-card p,
.doc-card li {
  margin: 0;
  color: var(--muted);
}

.panel-stack {
  display: grid;
  gap: 12px;
}

.list {
  padding-left: 18px;
  margin: 0;
}

.meta-list {
  display: grid;
  gap: 12px;
}

.meta-item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
}

.meta-label {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.meta-value {
  font-weight: 700;
  word-break: break-word;
}

.doc-links {
  display: grid;
  gap: 12px;
}

.doc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
  text-decoration: none;
}

.doc-link span:first-child {
  font-weight: 700;
}

.doc-link span:last-child {
  color: var(--muted);
  font-size: 0.94rem;
}

.doc-header {
  display: grid;
  gap: 14px;
  padding: 20px 0 8px;
}

.doc-header p {
  margin: 0;
  max-width: 48rem;
  color: var(--muted);
}

.doc-meta {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.doc-layout {
  display: grid;
  gap: 18px;
}

.doc-card {
  padding: 22px 20px;
}

.doc-card section + section {
  margin-top: 20px;
}

.doc-card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.doc-card ul {
  margin-top: 10px;
  padding-left: 18px;
}

.notice {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: #edf7ef;
  color: #1d6a36;
  font-size: 0.92rem;
  font-weight: 700;
}

.site-footer {
  padding: 12px 0 42px;
}

.footer-card {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid rgba(215, 222, 234, 0.85);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.84);
}

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

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.footer-links a {
  color: var(--accent-strong);
  font-weight: 600;
  text-decoration: none;
}

@media (min-width: 760px) {
  main {
    padding: 44px 0 84px;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-card {
    padding: 44px 40px;
  }

  .grid.two-up,
  .doc-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .doc-layout .doc-card.full {
    grid-column: 1 / -1;
  }

  .panel,
  .doc-card {
    padding: 26px 24px;
  }

  .footer-card {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}