:root {
  --navy: #0f172a;
  --ink: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --alt: #f8fafc;
  --accent: #6366f1;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px max(20px, calc((100vw - 1040px) / 2));
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.logo { font-weight: 700; letter-spacing: .02em; color: var(--navy); }
.top nav { display: flex; gap: 20px; font-size: 14px; color: var(--muted); }
.top nav a:hover { color: var(--navy); }

section { padding: 0 max(20px, calc((100vw - 1040px) / 2)); }

.hero { padding-top: 96px; padding-bottom: 112px; }
.eyebrow { margin: 0 0 16px; font-size: 14px; font-weight: 600; color: var(--accent); }
h1 { margin: 0; font-size: clamp(34px, 6vw, 56px); line-height: 1.25; color: var(--navy); letter-spacing: -.02em; }
.lead { margin: 24px 0 32px; max-width: 560px; font-size: 18px; color: var(--muted); }
.lead.small { margin: 8px 0 8px; }
.btn {
  display: inline-block; padding: 14px 28px; border-radius: 999px;
  background: var(--navy); color: #fff; font-weight: 600;
}
.btn:hover { background: #334155; }

.block { padding-top: 80px; padding-bottom: 80px; }
.block.alt { background: var(--alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { margin: 0 0 32px; font-size: 28px; color: var(--navy); letter-spacing: -.01em; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.card .num { font-size: 13px; font-weight: 700; color: var(--accent); }
.card h3 { margin: 8px 0 8px; font-size: 20px; color: var(--navy); }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: s; }
.steps li { counter-increment: s; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.steps li::before { content: counter(s); display: inline-grid; place-items: center; width: 28px; height: 28px; margin-bottom: 12px; border-radius: 50%; background: var(--navy); color: #fff; font-size: 14px; font-weight: 700; }
.steps b { display: block; color: var(--navy); font-size: 18px; }
.steps span { color: var(--muted); font-size: 15px; }

.muted { color: var(--muted); font-size: 14px; }
footer { padding: 32px max(20px, calc((100vw - 1040px) / 2)); border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

@media (max-width: 560px) {
  .top nav { gap: 12px; font-size: 13px; }
  .hero { padding-top: 64px; padding-bottom: 72px; }
  .block { padding-top: 56px; padding-bottom: 56px; }
}
.mail { font-size: 20px; font-weight: 600; color: var(--navy); border-bottom: 2px solid var(--accent); }
.svc { margin: 24px 0 28px; padding: 0; list-style: none; display: grid; gap: 12px; }
.svc li { padding: 16px 20px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.svc b { display: block; color: var(--navy); }
.svc span { color: var(--muted); font-size: 15px; }
.ext { text-decoration: underline; }