/* ThreadFlow 사이트 — 루트 DESIGN.md(Minimal). ★웹은 밝은 바탕★ (Threadly 웹과 같은 원칙).
   글꼴: Geist + Pretendard. 폭 16px 여백, 폰에서 가로 스크롤 없음. */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/geist@5/index.min.css');

:root {
  --bg: #FFFFFF; --surface: #F4F4F1; --fg: #0C0C09; --muted: #5E5E57; --line: #E2E2DC;
  --accent: #312C85; --accent-soft: rgba(49, 44, 133, .07); --ok: #16A34A; --warn: #D97706; --bad: #DC2626;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 Geist, 'Pretendard Variable', Pretendard, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
img { max-width: 100%; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.nav { display: flex; align-items: center; gap: 16px; height: 64px; }
.nav .logo { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--fg); text-decoration: none; }
.nav .sp { flex: 1; }
.nav a.link { color: var(--fg); text-decoration: none; font-size: 15px; }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 20px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.small { height: 32px; padding: 0 12px; font-size: 14px; font-weight: 500; }
.btn:disabled { opacity: .5; cursor: default; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.hero { padding: 64px 0 48px; }
.hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.25; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero p { font-size: 18px; color: var(--muted); max-width: 640px; margin: 0 0 24px; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; margin-bottom: 8px; }
section.block { padding: 48px 0; border-top: 1px solid var(--line); }
section.block h2 { font-size: 26px; margin: 0 0 24px; letter-spacing: -0.01em; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 20px; background: var(--bg); }
.card h3 { font-size: 17px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.step { counter-increment: s; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.steps li { display: flex; gap: 12px; align-items: baseline; }
.steps li::before { content: counter(s); flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 600; display: grid; place-items: center; font-size: 14px; }
.price { display: flex; gap: 16px; flex-wrap: wrap; }
.price .card { flex: 1; min-width: 200px; }
.price .won { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.price .per { color: var(--muted); font-size: 14px; }
.warn { border-left: 3px solid var(--warn); background: var(--surface); padding: 16px 20px; border-radius: 4px; }
.warn h3 { margin: 0 0 8px; font-size: 17px; }
.warn p, .warn li { color: var(--fg); font-size: 15px; }
footer.foot { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; }

/* 폼 */
.form { max-width: 440px; margin: 32px auto 64px; display: flex; flex-direction: column; gap: 16px; }
.form h1 { font-size: 26px; margin: 0; }
label.f { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 15px; }
.f input { font: inherit; height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: 8px; }
.mail { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; }
.mail input { border: 0; flex: 1; min-width: 0; }
.mail span { color: var(--muted); padding-right: 12px; font-weight: 400; }
.msg { color: var(--bad); min-height: 22px; margin: 0; }
.msg.ok { color: var(--ok); }
.terms { border: 1px solid var(--line); border-radius: 8px; }
.terms details { border-bottom: 1px solid var(--line); padding: 12px 16px; }
.terms details:last-child { border-bottom: 0; }
.terms summary { display: flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 600; font-size: 15px; list-style: none; }
.terms summary::-webkit-details-marker { display: none; }
.terms input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent); }
.terms pre { white-space: pre-wrap; font-family: inherit; font-size: 14px; line-height: 1.7; color: var(--muted); margin: 8px 0 0; max-height: 240px; overflow: auto; }
.all { display: flex; gap: 10px; align-items: center; font-weight: 600; }
.all input { width: 18px; height: 18px; accent-color: var(--accent); }

/* 회원 */
.panel { border: 1px solid var(--line); border-radius: 8px; padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; border: 1px solid var(--line); }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.wait { color: var(--warn); border-color: var(--warn); }
.badge.bad { color: var(--bad); border-color: var(--bad); }
table.users { width: 100%; border-collapse: collapse; font-size: 14px; }
table.users th, table.users td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.users th { color: var(--muted); font-weight: 500; }
.scroll { overflow-x: auto; }

@media (max-width: 720px) {
  .grid3, .grid2 { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 32px; }
  .nav a.link.hide-m { display: none; }
}