/* Uchronia — 팔레트·서체는 실제 앱(app/lib/app/theme.dart)에서 그대로 가져왔다.
   방향명 "전보 디스패치": 낡은 전보 용지 + 타자기 잉크 + 관인 빨강.
   앱이 단일 라이트 테마로 확정돼 있어 사이트도 light/dark 전환 없이 고정한다. */
:root {
  --paper: #e8dfc9;        /* 바탕 — 낡은 전보 용지 */
  --surface: #f0e9d6;      /* 카드 낱장 */
  --paperdark: #ddd2b3;    /* 얹힌 면 */
  --ink: #221d14;          /* 타자기 잉크 */
  --muted: #5c5344;
  --accent: #a6321f;       /* 관인 빨강 */
  --line: #8a7a52;         /* 점선 테두리 */
  --radius: 2px;           /* 앱과 동일 — 종이 낱장이라 거의 각짐 */
  --max-width: 980px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans KR", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* 전보 용지 상단의 발신 헤더 */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--accent);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 10px; padding-bottom: 10px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 30px; height: 30px; border-radius: 7px; display: block; }
.brand b { font-size: 16px; font-weight: 700; letter-spacing: .2px; }
.wire-tag {
  font-family: ui-monospace, "JetBrains Mono", SFMono-Regular, Menlo, monospace;
  font-size: 11px; letter-spacing: .08em; color: var(--accent);
}
.site-nav { display: flex; gap: 16px; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: 13px; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--accent); }

.hero { padding: 60px 0 44px; }
.badge {
  display: inline-block; font-family: ui-monospace, "JetBrains Mono", monospace;
  font-size: 11px; letter-spacing: .08em; color: var(--accent);
  border: 1px solid var(--accent); border-radius: 3px; padding: 3px 9px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.25; margin: 0 0 14px; text-wrap: balance; }
.hero p.lead { font-size: 17px; color: var(--muted); margin: 0 0 26px; max-width: 62ch; }

.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block; padding: 11px 20px; border-radius: var(--radius);
  text-decoration: none; font-weight: 700; font-size: 14px; border: 1px solid var(--ink);
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn[aria-disabled="true"] { opacity: .5; pointer-events: none; }

section { padding: 40px 0; }
h2 { font-size: 22px; margin: 0 0 8px; }
.section-lead { color: var(--muted); margin: 0 0 24px; max-width: 62ch; }

/* 턴 흐름 */
.loop { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.loop-step {
  background: var(--surface); border: 1px solid var(--line);
  border-left: 3px solid var(--accent); border-radius: var(--radius); padding: 14px 16px;
}
.loop-step .n {
  font-family: ui-monospace, "JetBrains Mono", monospace; font-size: 11px; color: var(--accent);
}
.loop-step h3 { margin: 4px 0 4px; font-size: 15px; }
.loop-step p { margin: 0; font-size: 13.5px; color: var(--muted); }

.feature-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.feature-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
}
.feature-card h3 { margin: 0 0 6px; font-size: 16px; }
.feature-card p { margin: 0; font-size: 14px; color: var(--muted); }

/* 시나리오 표 */
.eras { width: 100%; border-collapse: collapse; font-size: 14px; }
.eras th, .eras td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.eras th { font-size: 12px; letter-spacing: .04em; color: var(--muted); font-weight: 700; }
.eras td.year { font-family: ui-monospace, "JetBrains Mono", monospace; color: var(--accent); white-space: nowrap; }
.eras tbody tr:last-child td { border-bottom: none; }

.principles { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.principle { border-left: 3px solid var(--line); padding: 4px 0 4px 14px; }
.principle h3 { margin: 0 0 4px; font-size: 15px; }
.principle p { margin: 0; font-size: 13.5px; color: var(--muted); }

/* FAQ */
.faq-list details {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 16px; margin-bottom: 10px;
}
.faq-list summary { cursor: pointer; font-weight: 700; font-size: 15px; }
.faq-list p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }

/* 지원 폼 */
.contact-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
}
.support-form { display: grid; gap: 14px; max-width: 520px; }
.support-form label { display: grid; gap: 6px; font-size: 13.5px; font-weight: 700; }
.support-form input, .support-form select, .support-form textarea {
  font: inherit; font-weight: 400; padding: 9px 11px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); color: var(--ink);
}
.support-form button {
  justify-self: start; padding: 11px 22px; font: inherit; font-weight: 700;
  background: var(--ink); color: var(--paper); border: none;
  border-radius: var(--radius); cursor: pointer;
}
.form-note { font-size: 13px; color: var(--muted); }
#form-status { font-size: 13.5px; min-height: 1.2em; }
#form-status[data-state="ok"] { color: var(--accent); font-weight: 700; }
#form-status[data-state="error"] { color: var(--accent); }

/* 방침 문서 */
.breadcrumb { font-size: 13px; color: var(--muted); padding-top: 18px; }
.breadcrumb a { color: var(--muted); }
.policy { max-width: 76ch; }
.policy h2 { margin-top: 32px; }
.policy h3 { margin-top: 20px; font-size: 15px; }
.policy table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; }
.policy th, .policy td { text-align: left; padding: 9px 11px; border: 1px solid var(--line); vertical-align: top; }
.policy th { background: var(--paperdark); font-size: 13px; }
.policy ul { padding-left: 20px; }
.policy li { margin-bottom: 6px; }
.policy .meta { font-family: ui-monospace, "JetBrains Mono", monospace; font-size: 12.5px; color: var(--muted); }

.site-footer {
  border-top: 1px solid var(--line); margin-top: 40px;
  padding: 24px 0 40px; font-size: 13px; color: var(--muted);
}
.site-footer a { color: var(--muted); }
.site-footer .row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; }

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}