:root {
  color-scheme: dark;
  font-family: Inter, "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b0d10;
  color: #f2f4f7;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 90% 0%, rgba(117, 83, 220, 0.18), transparent 34rem),
    #0b0d10;
  font-size: 16px;
  line-height: 1.72;
}

a {
  color: #a993ff;
}

a:hover {
  color: #c5b8ff;
}

.site-header {
  border-bottom: 1px solid #242a33;
  background: rgba(11, 13, 16, 0.86);
}

.site-header-inner,
.page,
.site-footer {
  width: min(880px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-nav a {
  color: #aeb7c2;
  font-size: 0.9rem;
  text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: #fff;
}

.page {
  padding: 72px 0 80px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #9a83f5;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

h1,
h2 {
  line-height: 1.25;
}

h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  letter-spacing: -0.045em;
}

.lead {
  max-width: 690px;
  margin: 24px 0 0;
  color: #b6bec8;
  font-size: 1.12rem;
}

.notice {
  margin: 30px 0 0;
  padding: 18px 20px;
  border: 1px solid #343c48;
  border-radius: 14px;
  background: #15191f;
  color: #c8ced6;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 52px;
}

.card,
.document-section {
  border: 1px solid #2b323c;
  border-radius: 16px;
  background: rgba(20, 24, 30, 0.88);
}

.card {
  padding: 22px;
}

.card h2,
.document-section h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.card p,
.document-section p,
.document-section li {
  color: #adb6c1;
}

.card p {
  margin: 0;
}

.document {
  display: grid;
  gap: 14px;
  margin-top: 42px;
}

.document-section {
  padding: 24px;
}

.document-section p:last-child,
.document-section ul:last-child {
  margin-bottom: 0;
}

.document-section ul {
  padding-left: 22px;
}

.contact-email {
  display: inline-block;
  color: #aa98ff;
  font-weight: 650;
  text-decoration: none;
}

.contact-email:hover,
.contact-email:focus-visible {
  text-decoration: underline;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 24px 0 36px;
  border-top: 1px solid #242a33;
  color: #7f8995;
  font-size: 0.86rem;
}

.site-footer p {
  margin: 0;
}

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

@media (max-width: 700px) {
  .site-header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .page {
    padding-top: 48px;
  }

  .content-grid {
    grid-template-columns: 1fr;
    margin-top: 38px;
  }
}