:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --card: #ffffff;
  --ink: #101828;
  --muted: #5f6b7a;
  --line: #dbe3ef;
  --blue: #2563eb;
  --cyan: #0891b2;
  --green: #059669;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.72;
}

a {
  color: var(--blue);
}

.site-header,
.site-footer,
.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
}

.brand {
  color: var(--ink);
  font-weight: 900;
  letter-spacing: .01em;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
  font-size: .92rem;
}

.nav a {
  color: #344054;
  text-decoration: none;
}

.hero {
  padding: 56px 0 34px;
}

.eyebrow {
  color: var(--cyan);
  font-size: .88rem;
  font-weight: 900;
}

h1 {
  max-width: 820px;
  margin: 10px 0 16px;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  line-height: 1.03;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.18;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

p {
  margin: 0 0 14px;
}

.lead {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.12rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.button.secondary {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
}

.section {
  padding: 28px 0;
}

.grid {
  display: grid;
  gap: 16px;
}

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

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  padding: 22px;
}

.metric {
  display: block;
  color: var(--blue);
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1.1;
}

.muted {
  color: var(--muted);
}

.list {
  margin: 0;
  padding-left: 20px;
}

.list li {
  margin: 8px 0;
}

.callout {
  border-left: 4px solid var(--green);
  background: #ecfdf5;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 42px;
  padding: 22px 0 42px;
  color: var(--muted);
  font-size: .9rem;
}

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

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

  .hero {
    padding-top: 28px;
  }

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