:root {
  --bg: #ffffff;
  --bg-subtle: #f6f7f9;
  --text: #16181d;
  --text-muted: #5b616e;
  --border: #e4e6eb;
  --accent: #2f6fed;
  --max: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --bg-subtle: #1a1d23;
    --text: #eceef2;
    --text-muted: #9aa1ad;
    --border: #2a2e36;
    --accent: #6d9bff;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Malgun Gothic", "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo:hover {
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 20px;
  font-size: 15px;
}

.nav a {
  color: var(--text-muted);
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Sections */
.hero {
  padding: 120px 0 100px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  font-size: 18px;
  color: var(--text-muted);
}

.section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 12px;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0 0 32px;
  color: var(--text-muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  padding: 24px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
}

.badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 2px 10px;
  font-size: 13px;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
}

.button {
  display: inline-block;
  padding: 12px 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
}

.button:hover {
  text-decoration: none;
  opacity: 0.9;
}

/* Legal pages */
.doc {
  padding: 64px 0 96px;
  max-width: 760px;
}

.doc h1 {
  margin: 0 0 8px;
  font-size: 32px;
  letter-spacing: -0.02em;
}

.doc .meta {
  margin: 0 0 40px;
  color: var(--text-muted);
  font-size: 15px;
}

.doc h2 {
  margin: 40px 0 12px;
  font-size: 20px;
}

.doc ul,
.doc ol {
  padding-left: 22px;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.doc th,
.doc td {
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.doc th {
  background: var(--bg-subtle);
  white-space: nowrap;
}

/* Footer */
.site-footer {
  padding: 48px 0;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-muted);
}

.site-footer .company {
  margin: 0 0 12px;
  font-weight: 700;
  color: var(--text);
}

.site-footer dl {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0 0 20px;
}

.site-footer dl div {
  display: flex;
  gap: 6px;
}

.site-footer dt::after {
  content: ":";
}

.site-footer dd {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 16px;
  margin: 0 0 12px;
}

.footer-links a {
  color: var(--text);
}

.copyright {
  margin: 0;
}

@media (max-width: 600px) {
  .hero {
    padding: 80px 0 64px;
  }

  .section {
    padding: 56px 0;
  }

  .nav {
    gap: 14px;
  }
}