/* 사장님 마케팅 교실 — 설계기준 v1 (docs/설계기준.md D1~D12)
   바탕 1 · 먹 1 · 강조 1 · 그림용 채움 3. 움직임 없음. 웹폰트 없음. */

:root {
  --paper: #fffdf8;
  --paper-2: #f6f1e7;
  --ink: #1c1c1a;        /* 본문. paper 대비 약 16:1 */
  --ink-soft: #454541;   /* 보조. 약 8.5:1 */
  --line: #cfc7b6;
  --accent: #9a3a1f;     /* 강조·번호. 약 6.6:1 */
  --accent-soft: #f4e3dc;
  --fill-a: #e8eef6;     /* 그림용 채움: 푸른빛 */
  --fill-b: #e6f1e8;     /* 초록빛 */
  --fill-c: #f7efd9;     /* 노란빛 */
}

* { box-sizing: border-box; }
html { font-size: 18px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Malgun Gothic", "맑은 고딕", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: break-word;
}
html[lang="en"] body { font-family: Georgia, "Times New Roman", serif; word-break: normal; }
html[lang="en"] h1, html[lang="en"] h2, html[lang="en"] h3, html[lang="en"] header.top, html[lang="en"] table, html[lang="en"] figcaption, html[lang="en"] .meta-line { font-family: system-ui, "Segoe UI", Helvetica, Arial, sans-serif; }

.wrap { max-width: 660px; margin: 0 auto; padding: 0 20px 72px; }

/* 머리 */
header.top { border-bottom: 1px solid var(--line); background: var(--paper); }
header.top .wrap { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 20px; flex-wrap: wrap; gap: 6px 18px; }
header.top a.brand { font-weight: 700; font-size: 1rem; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
header.top nav a { color: var(--ink-soft); text-decoration: none; margin-left: 16px; font-size: 0.85rem; display: inline-block; padding: 4px 0; min-height: 24px; }
header.top nav a[aria-current="page"] { color: var(--ink); border-bottom: 2px solid var(--accent); }
header.top nav a:hover { text-decoration: underline; }

.crumbs { font-size: 0.8rem; color: var(--ink-soft); margin: 22px 0 0; }
.crumbs a { color: var(--ink-soft); }

/* 글머리 */
.kicker { font-size: 0.8rem; font-weight: 700; color: var(--accent); letter-spacing: 0.04em; margin: 36px 0 6px; }
h1 { font-size: 1.85rem; line-height: 1.3; margin: 0 0 14px; letter-spacing: -0.01em; }
.lead { font-size: 1.08rem; color: var(--ink); margin: 0 0 14px; }
.meta-line { font-size: 0.8rem; color: var(--ink-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 8px 0; margin: 18px 0 34px; }
.meta-line span + span::before { content: " · "; }

h2 { font-size: 1.32rem; line-height: 1.35; margin: 48px 0 12px; }
h3 { font-size: 1.06rem; margin: 30px 0 8px; }
p { margin: 0 0 16px; }
main a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
main a:hover { color: var(--accent); }
b, strong { font-weight: 700; }
ol, ul { padding-left: 24px; margin: 0 0 16px; }
li { margin-bottom: 6px; }
q { quotes: "“" "”"; }

/* 그림 */
figure { margin: 26px 0 30px; }
figure svg { width: 100%; height: auto; display: block; border: 1px solid var(--line); background: #fff; }
figcaption { font-size: 0.82rem; color: var(--ink-soft); margin-top: 8px; line-height: 1.5; }
ol.legend { list-style: none; padding: 0; margin: 18px 0 8px; }
ol.legend li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.num { flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; font-size: 0.85rem; display: inline-flex; align-items: center; justify-content: center; margin-top: 4px; }

/* 원문 인용 */
blockquote.official { margin: 18px 0 20px; padding: 14px 18px; border-left: 3px solid var(--ink); background: var(--paper-2); font-size: 0.95rem; }
blockquote.official .who { display: block; font-size: 0.78rem; color: var(--ink-soft); margin-bottom: 6px; }
blockquote.official q { font-weight: 500; }

/* 등급 */
.grade { display: inline-block; padding: 0 8px; border: 1px solid var(--line); border-radius: 4px; font-size: 0.72rem; font-weight: 700; vertical-align: middle; color: var(--ink-soft); background: #fff; }
.grade.a { border-color: var(--ink); color: var(--ink); }

/* 알아 둘 것 — 상자는 이 하나뿐 (D11) */
.note { border: 1px solid var(--line); border-left: 4px solid var(--accent); background: #fff; padding: 14px 18px; margin: 24px 0; font-size: 0.98rem; }
.note b { display: block; margin-bottom: 4px; }

/* 표 */
table { width: 100%; border-collapse: collapse; margin: 16px 0 22px; font-size: 0.95rem; }
th, td { text-align: left; padding: 10px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--paper-2); font-weight: 700; }
table.example td:first-child { width: 44%; }
.kv { display: grid; grid-template-columns: 1fr 2fr; gap: 6px 14px; margin: 16px 0; font-size: 0.95rem; }
.kv dt { font-weight: 700; } .kv dd { margin: 0; }
@media (max-width: 560px) { .kv { grid-template-columns: 1fr; } }

/* 점검표 */
ul.check { list-style: none; padding: 0; margin: 12px 0 20px; }
ul.check li { padding: 8px 0 8px 34px; position: relative; border-bottom: 1px dashed var(--line); }
ul.check li::before { content: "□"; position: absolute; left: 4px; top: 7px; color: var(--accent); }

/* 목차 */
.toc { list-style: none; padding: 0; margin: 20px 0; }
.toc li { border-top: 1px solid var(--line); padding: 14px 0; }
.toc li:last-child { border-bottom: 1px solid var(--line); }
.toc .part { display: block; font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-bottom: 2px; }
.toc a { font-weight: 700; text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.toc small { display: block; color: var(--ink-soft); font-size: 0.9rem; margin-top: 2px; }

/* 첫 화면 두 갈래 */
.tracks { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; margin: 28px 0; }
@media (max-width: 620px) { .tracks { grid-template-columns: 1fr; } }
.track { display: block; text-decoration: none; color: var(--ink); border: 1px solid var(--line); border-top: 4px solid var(--accent); padding: 20px 22px 18px; background: #fff; min-height: 24px; }
.track:hover { border-color: var(--ink); }
.track .k { display: block; font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-bottom: 8px; }
.track b { display: block; font-size: 1.15rem; line-height: 1.4; margin-bottom: 8px; }
.track span { color: var(--ink-soft); font-size: 0.92rem; }

/* 다음 글 */
.next { margin-top: 44px; border-top: 1px solid var(--line); padding-top: 16px; font-size: 0.95rem; }
.next a { display: block; margin-bottom: 8px; }

/* 근거 */
footer.sources { margin-top: 52px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--ink-soft); }
footer.sources h2 { font-size: 0.95rem; margin: 0 0 8px; color: var(--ink); }
footer.sources ul { padding-left: 20px; margin: 0 0 10px; }
footer.sources li { margin-bottom: 6px; }
footer.site { border-top: 1px solid var(--line); margin-top: 40px; padding: 22px 20px 44px; font-size: 0.8rem; color: var(--ink-soft); text-align: center; line-height: 1.6; }
footer.site a { color: var(--ink-soft); }

.small { font-size: 0.85rem; color: var(--ink-soft); }