:root {
  color-scheme: light;
  --ink: #17202e;
  --muted: #667085;
  --paper: #f7f2e9;
  --surface: #ffffff;
  --soft: #f8fafc;
  --line: #d9e1ea;
  --accent: #0f766e;
  --shadow: 0 18px 44px rgba(20, 29, 44, .08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Pretendard", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }

.site-top {
  border-bottom: 1px solid rgba(217, 225, 234, .85);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.top-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-weight: 900;
  color: #17202e;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover { color: var(--accent); }

.hero {
  padding: 64px 0 36px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.76), rgba(255,255,255,.28)),
    linear-gradient(180deg, #f8fafc 0%, var(--paper) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr);
  gap: 28px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 860px;
  font-size: clamp(2rem, 4.6vw, 4.25rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.hero p {
  margin: 18px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.hero-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 20px;
}

.hero-panel strong {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
}

.mini-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section {
  padding: 34px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2vw, 2.2rem);
  letter-spacing: 0;
}

.section-head p {
  margin: 6px 0 0;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}

.card p,
.card li {
  color: var(--muted);
}

.chip-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  max-width: 100%;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #243043;
  font-size: 14px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

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

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 900;
}

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

.footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .hero-grid,
  .grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 38px;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }
}
