:root {
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --soft: #f8fafc;
  --accent: #0d9488;
  --accent-ink: #042f2e;
  --radius: 16px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}
a { color: inherit; }
img, svg { max-width: 100%; display: block; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

header.site { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 10; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 20px; text-decoration: none; letter-spacing: -0.02em; }
.brand svg { width: 28px; height: 28px; color: var(--accent); }
nav.menu { display: flex; gap: 20px; font-size: 15px; font-weight: 600; }
nav.menu a { text-decoration: none; color: var(--muted); }
nav.menu a:hover, nav.menu a[aria-current="page"] { color: var(--ink); }

.btn { display: inline-block; padding: 12px 20px; border-radius: 999px; font-weight: 700; text-decoration: none; font-size: 15px; border: 1px solid transparent; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }

.hero { padding: 72px 0 56px; background: linear-gradient(180deg, #f0fdfa 0%, #fff 100%); }
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.15; letter-spacing: -0.03em; margin: 0 0 16px; }
.hero p { font-size: clamp(16px, 2vw, 19px); color: var(--muted); margin: 0 0 28px; max-width: 640px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.12em; color: var(--accent); text-transform: uppercase; margin-bottom: 12px; }

section.block { padding: 56px 0; }
section.block h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -0.02em; margin: 0 0 8px; }
section.block .lead { color: var(--muted); margin: 0 0 28px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; }
.card h3 { margin: 12px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .ico { width: 40px; height: 40px; border-radius: 12px; background: #ccfbf1; color: var(--accent); display: grid; place-items: center; }
.card .ico svg { width: 22px; height: 22px; }
.tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent-ink); background: #ccfbf1; border-radius: 999px; padding: 2px 10px; margin: 8px 6px 0 0; }

.icons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.icons span { width: 48px; height: 48px; border: 1px solid var(--line); border-radius: 12px; display: grid; place-items: center; color: var(--ink); }
.icons svg { width: 24px; height: 24px; }

.plans { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.plan.featured { border-color: var(--accent); box-shadow: 0 10px 30px -18px rgba(13,148,136,.6); }
.plan h3 { margin: 0 0 4px; font-size: 20px; }
.plan .price { font-size: 28px; font-weight: 800; margin: 12px 0; }
.plan ul { padding-left: 18px; margin: 16px 0 0; color: var(--muted); font-size: 15px; }
.plan li { margin: 6px 0; }

table.compare { width: 100%; border-collapse: collapse; font-size: 15px; }
table.compare th, table.compare td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); }
table.compare th:not(:first-child), table.compare td:not(:first-child) { text-align: center; width: 110px; }

article.doc { max-width: 760px; padding: 48px 0 72px; }
article.doc h1 { font-size: 34px; letter-spacing: -0.02em; margin: 0 0 8px; }
article.doc h2 { font-size: 20px; margin: 36px 0 8px; }
article.doc p, article.doc li { color: #334155; }
article.doc .meta { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.notice { background: #fffbeb; border: 1px solid #fde68a; color: #78350f; border-radius: 12px; padding: 14px 16px; font-size: 14px; margin: 16px 0; }

footer.site { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; margin-top: 48px; }
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer.site nav a { margin-right: 16px; color: var(--muted); }

@media (max-width: 720px) {
  header.site .wrap { height: auto; padding-top: 12px; padding-bottom: 12px; flex-direction: column; align-items: flex-start; }
  nav.menu { gap: 14px; flex-wrap: wrap; }
  .hero { padding: 48px 0 40px; }
  section.block { padding: 40px 0; }
  table.compare th:not(:first-child), table.compare td:not(:first-child) { width: 72px; font-size: 14px; }
}