:root {
  --navy: #14263f;
  --navy-2: #1e3a5f;
  --accent: #0e7c86;
  --ink: #24303e;
  --muted: #5b6b7c;
  --line: #e3e8ee;
  --bg-soft: #f5f7fa;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, "Malgun Gothic", sans-serif;
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

header {
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky; top: 0; z-index: 10;
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 20px; color: var(--navy); letter-spacing: -0.02em; }
.logo span { color: var(--accent); }
.nav ul { display: flex; gap: 28px; list-style: none; font-size: 15px; color: var(--muted); }
.nav a.active, .nav a:hover { color: var(--navy); font-weight: 600; }

.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 70%);
  color: #fff; padding: 88px 0 96px;
}
.hero h1 { font-size: 40px; line-height: 1.3; letter-spacing: -0.02em; font-weight: 800; }
.hero p { margin-top: 18px; font-size: 18px; color: #c6d2e0; max-width: 620px; }
.hero .cta { display: inline-block; margin-top: 32px; background: var(--accent); color: #fff; padding: 13px 28px; border-radius: 6px; font-weight: 700; }

.page-title { background: var(--bg-soft); padding: 52px 0; border-bottom: 1px solid var(--line); }
.page-title h1 { font-size: 30px; color: var(--navy); letter-spacing: -0.02em; }
.page-title p { color: var(--muted); margin-top: 8px; }

section { padding: 64px 0; }
section.alt { background: var(--bg-soft); }
h2 { font-size: 24px; color: var(--navy); margin-bottom: 28px; letter-spacing: -0.02em; }
h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }

.grid { display: grid; gap: 20px; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 760px) { .grid.c3, .grid.c2 { grid-template-columns: 1fr; } .hero h1 { font-size: 30px; } }

.card { border: 1px solid var(--line); border-radius: 10px; padding: 26px; background: #fff; }
.card .tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent); background: #e6f3f4; border-radius: 4px; padding: 3px 9px; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 15px; }

.stats { display: flex; gap: 48px; flex-wrap: wrap; }
.stats .stat b { display: block; font-size: 34px; color: var(--navy); font-weight: 800; }
.stats .stat span { color: var(--muted); font-size: 14px; }

table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg-soft); color: var(--navy); font-size: 14px; white-space: nowrap; }
td.year { font-weight: 700; color: var(--accent); white-space: nowrap; }

ul.plain { list-style: none; }
ul.plain li { padding: 10px 0 10px 22px; position: relative; color: var(--ink); }
ul.plain li::before { content: ""; position: absolute; left: 4px; top: 19px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

footer { background: var(--navy); color: #9db0c6; padding: 40px 0; font-size: 13.5px; }
footer .foot { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer b { color: #fff; }
footer .demo-note { margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12px; color: #7a8fa8; }