/* 소개·정책·가이드 같은 정적 페이지 공통 스타일 (계산기와 같은 색·글꼴) */
/* 색 변수는 /themes.css 에서 테마별로 정한다 */
:root {
  --font: 'IBM Plex Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--desk);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.8;
  word-break: keep-all;
  -webkit-text-size-adjust: 100%;
}

a {
  color: var(--ink);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--seal);
}

:focus-visible {
  outline: 3px solid var(--seal);
  outline-offset: 2px;
}

.site-head,
.site-foot {
  max-width: 760px;
  margin: 0 auto;
  padding: 18px 20px;
}

.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 15px;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
}

.site-nav a[aria-current='page'],
.site-nav a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.doc {
  max-width: 760px;
  margin: 8px auto 0;
  padding: 40px 48px 48px;
  background: var(--paper);
  border-radius: 2px;
  box-shadow: 0 1px 0 var(--rule);
}

.doc h1 {
  margin: 0 0 8px;
  font-size: clamp(26px, 5vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.doc .meta {
  margin: 0 0 32px;
  font-size: 14px;
  color: var(--muted);
}

.doc .lede {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 32px;
}

.doc h2 {
  margin: 44px 0 10px;
  font-size: 22px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.doc h3 {
  margin: 28px 0 6px;
  font-size: 18px;
}

.doc p,
.doc li {
  max-width: 38em;
}

.doc ul,
.doc ol {
  padding-left: 1.3em;
}

.doc li + li {
  margin-top: 4px;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 8px;
  font-size: 15px;
  line-height: 1.5;
}

.doc caption {
  text-align: left;
  font-weight: 600;
  padding-bottom: 6px;
}

.doc th,
.doc td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.doc thead th {
  background: var(--paper-tint);
  color: var(--muted);
  font-weight: 500;
  font-size: 14px;
}

.doc .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.doc .note {
  font-size: 14px;
  color: var(--muted);
}

.doc .formula {
  margin: 16px 0;
  padding: 14px 18px;
  background: var(--paper-tint);
  border-left: 3px solid var(--ink);
  font-weight: 600;
}

.doc .cta {
  display: inline-block;
  margin-top: 8px;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--on-ink);
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
}

.doc .cta:hover {
  color: var(--on-seal);
  background: var(--seal);
}

.doc .sources {
  margin-top: 44px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: var(--muted);
}

.doc .sources h2 {
  margin: 0 0 6px;
  font-size: 15px;
}

.guide-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.guide-list li {
  max-width: none;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}

.guide-list li + li {
  margin-top: 0;
}

.guide-list a {
  font-size: 19px;
  font-weight: 600;
  text-decoration: none;
}

.guide-list a:hover {
  text-decoration: underline;
}

.guide-list p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.site-foot {
  font-size: 13px;
  color: var(--muted);
  padding-top: 32px;
  padding-bottom: 40px;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}

.foot-links a {
  color: var(--muted);
}

.site-foot p {
  margin: 2px 0;
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .doc {
    padding: 28px 20px 36px;
  }

  .doc table {
    font-size: 14px;
  }

  .doc th,
  .doc td {
    padding: 8px 6px;
  }
}

/* ---------- 디자인 요소 ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  flex: none;
}

/* 본문 종이 위쪽 절취선 (계산기의 급여명세서와 같은 모양) */
.doc {
  position: relative;
}

.doc::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 0;
  right: 0;
  height: 12px;
  background: radial-gradient(circle at 8px 6px, var(--desk) 4.5px, transparent 5px) repeat-x;
  background-size: 16px 12px;
}

.fig {
  margin: 24px 0 8px;
  padding: 20px 16px 12px;
  max-width: 520px;
  background: var(--paper-tint);
  border-radius: 10px;
}

.fig svg {
  display: block;
  width: 100%;
  height: auto;
  font-family: var(--font);
}

.fig figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.guide-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  column-gap: 16px;
  align-items: start;
}

.guide-list .guide-icon {
  grid-row: span 2;
  width: 48px;
  height: 48px;
  padding: 8px;
  background: var(--paper-tint);
  border-radius: 12px;
  box-sizing: border-box;
}

.guide-list a,
.guide-list p {
  grid-column: 2;
}

.doc .guide-list {
  padding: 0;
}

/* 유튜버별 수익 모음 */
.doc .channel-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 8px 0 4px;
  list-style: none;
}
.doc .channel-list li {
  margin: 0;
}
.doc .channel-list a {
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}
.doc .channel-list a:hover {
  border-color: var(--seal);
  color: var(--seal);
}

/* 자주 묻는 질문 */
.faq section {
  padding: 18px 0 4px;
  border-top: 1px solid var(--rule);
}
.faq section:first-child {
  border-top: 0;
  padding-top: 4px;
}
.doc .faq h2 {
  margin: 0 0 8px;
  font-size: 18px;
}