:root {
  color-scheme: light;
  --bg: #fbfaf7;
  --panel: #ffffff;
  --fg: #17202a;
  --muted: #65717d;
  --line: #e6e0d8;
  --accent: #0b4d68;
  --accent-soft: #e9f3f6;
  --peach: #d86f45;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    "Segoe UI",
    sans-serif;
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 247, 0.92);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1;
}

.nav {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 960px;
  padding: 16px 20px;
}

.brand {
  color: var(--fg);
  font-size: 18px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.page {
  margin: 0 auto;
  max-width: 960px;
  padding: 56px 20px 72px;
}

.hero {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: center;
}

.eyebrow {
  color: var(--peach);
  font-size: 14px;
  font-weight: 800;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.06;
  letter-spacing: 0;
  margin: 0 0 18px;
}

h2 {
  border-top: 1px solid var(--line);
  font-size: 24px;
  letter-spacing: 0;
  margin: 40px 0 12px;
  padding-top: 28px;
}

h3 {
  font-size: 18px;
  margin: 26px 0 8px;
}

p {
  margin: 0 0 14px;
}

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

li {
  margin: 8px 0;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 680px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  align-items: center;
  border: 1px solid var(--accent);
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  min-height: 44px;
  padding: 10px 16px;
}

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

.button.secondary {
  background: transparent;
  color: var(--accent);
}

.phone {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(23, 32, 42, 0.12);
  min-height: 520px;
  padding: 18px;
}

.phone-screen {
  background:
    linear-gradient(180deg, rgba(11, 77, 104, 0.08), rgba(216, 111, 69, 0.08)),
    #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  height: 100%;
  padding: 22px;
}

.feed-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 14px;
  padding: 14px;
}

.feed-card strong {
  display: block;
  font-size: 15px;
  margin-bottom: 6px;
}

.feed-card span {
  color: var(--muted);
  display: block;
  font-size: 13px;
}

.section-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 36px;
}

.info-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.info-card h2 {
  border: 0;
  font-size: 17px;
  margin: 0 0 8px;
  padding: 0;
}

.info-card p {
  color: var(--muted);
  font-size: 14px;
}

.doc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 680px;
  width: 100%;
}

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

th {
  background: var(--accent-soft);
}

.share-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 28px;
  padding: 24px;
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  padding: 24px 20px 40px;
  text-align: center;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .page {
    padding-top: 36px;
  }

  .hero,
  .section-grid {
    grid-template-columns: 1fr;
  }

  .phone {
    min-height: 420px;
  }

  .doc {
    padding: 22px;
  }
}