:root {
  color-scheme: light;
  --ink: #152034;
  --muted: #5d687b;
  --line: #dfe5ef;
  --paper: #ffffff;
  --soft: #f5f7fb;
  --blue: #2357d8;
  --blue-dark: #183f9f;
  --green: #0f8a5f;
  --yellow: #b7791f;
  --red: #c53030;
  --shadow: 0 20px 50px rgba(21, 32, 52, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 46%);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255,255,255,0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand { font-weight: 800; letter-spacing: -0.03em; font-size: 1.25rem; }
nav { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 0.95rem; }
.nav-cta { color: var(--blue); font-weight: 700; }

.hero, .section { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.hero { padding: 86px 0 72px; }
.eyebrow { color: var(--blue); font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; margin: 0 0 12px; }
h1 { max-width: 830px; font-size: clamp(2.3rem, 6vw, 4.9rem); line-height: 1.04; letter-spacing: -0.065em; margin: 0 0 24px; }
h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.16; letter-spacing: -0.045em; margin: 0 0 18px; }
h3 { margin: 0 0 10px; letter-spacing: -0.025em; }
.lead { max-width: 720px; color: var(--muted); font-size: 1.18rem; margin: 0 0 30px; }
.note, .small { color: var(--muted); font-size: 0.94rem; }

.hero-actions, .form-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 800;
  border: 1px solid var(--line);
}
.button.primary { background: var(--blue); color: white; border-color: var(--blue); box-shadow: 0 12px 26px rgba(35, 87, 216, 0.22); }
.button.primary:hover { background: var(--blue-dark); }
.button.secondary { background: white; color: var(--ink); }

.section { padding: 66px 0; border-top: 1px solid var(--line); }
.grid { display: grid; gap: 24px; }
.grid.two { grid-template-columns: 0.8fr 1.2fr; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.cards { display: grid; gap: 16px; }
.card, .report-card, .form-card, .grid.three article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.card p, .grid.three p, .report-card li { color: var(--muted); }

.report-card { display: grid; grid-template-columns: 110px 1fr; gap: 24px; align-items: start; }
.score { border-radius: 999px; padding: 10px 14px; font-weight: 900; text-align: center; color: white; }
.score.green { background: var(--green); }
.score.yellow { background: var(--yellow); }
.score.red { background: var(--red); }
.step { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: #e8eefc; color: var(--blue); font-weight: 900; margin-bottom: 16px; }
.cta { text-align: center; background: var(--soft); border: 1px solid var(--line); border-radius: 28px; padding: 48px 24px; margin-bottom: 60px; }
footer { padding: 32px 20px 48px; text-align: center; color: var(--muted); }

.form-page { background: #f7f9fd; }
.form-shell { width: min(880px, calc(100% - 40px)); margin: 0 auto; padding: 56px 0 72px; }
.form-card { margin-top: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; margin-bottom: 18px; }
.field.full { grid-column: 1 / -1; }
label { font-weight: 800; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 13px;
  font: inherit;
  color: var(--ink);
  background: white;
}
textarea { min-height: 126px; resize: vertical; }
.help { color: var(--muted); font-size: 0.88rem; }
.checklist { display: grid; gap: 10px; padding: 0; list-style: none; }
.checklist li { background: var(--soft); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }

@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { flex-wrap: wrap; }
  .grid.two, .grid.three, .report-card, .form-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
}
