:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #536271;
  --line: #d6dde3;
  --wash: #f2f5f7;
  --accent: #176b62;
  --accent-dark: #0f4f49;
  --paper: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; line-height: 1.72; }
a { color: var(--accent-dark); }
a:focus-visible, summary:focus-visible { outline: 3px solid #f2c94c; outline-offset: 3px; }
.skip-link { position: absolute; left: 14px; top: -50px; background: var(--ink); color: white; padding: 8px 12px; z-index: 4; }
.skip-link:focus { top: 14px; }
.site-header { min-height: 68px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; padding: 0 max(24px, calc((100vw - 1180px) / 2)); }
.brand { text-decoration: none; color: var(--ink); font-size: 18px; font-weight: 800; letter-spacing: 0; }
.brand span { color: var(--accent); font-size: 12px; margin-left: 6px; }
.header-cta { font-size: 14px; font-weight: 700; text-underline-offset: 4px; }
.article-shell { max-width: 820px; margin: 0 auto; padding: 74px 28px 90px; }
.article-meta { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.article-meta span + span::before, .article-meta time + span::before { content: "·"; margin-right: 10px; }
h1 { max-width: 760px; margin: 15px 0 22px; font-size: clamp(34px, 5vw, 56px); line-height: 1.18; letter-spacing: 0; }
h2 { margin: 8px 0 16px; font-size: clamp(25px, 3.5vw, 34px); line-height: 1.32; letter-spacing: 0; }
p { margin: 0 0 18px; }
.standfirst { border-left: 4px solid var(--accent); padding: 3px 0 3px 18px; font-size: 20px; color: #263640; }
.scope-note { font-size: 14px; color: var(--muted); }
.figure { margin: 52px 0; padding: 12px; border: 1px solid var(--line); background: var(--wash); }
.figure img { display: block; width: 100%; height: auto; background: white; }
figcaption { padding: 10px 4px 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.article-section { margin: 52px 0; }
.eyebrow { margin: 0 0 6px; color: var(--accent); font-size: 13px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
.definition { display: grid; gap: 6px; margin: 30px 0 0; padding: 18px; border-left: 4px solid #9ab9b4; background: #edf6f4; }
.definition span { color: #2c4845; }
.source-card { margin-top: 30px; padding: 22px; border-top: 3px solid var(--ink); background: var(--wash); font-size: 15px; }
.source-card p:last-child { margin-bottom: 0; }
.source-label { color: var(--ink); font-weight: 800; }
.faq { margin: 58px 0; border-top: 1px solid var(--line); padding-top: 38px; }
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 800; color: var(--ink); }
details p { margin: 14px 0 0; color: #3f4e5a; }
.article-cta { margin-top: 64px; padding: 40px; background: var(--ink); color: white; }
.article-cta h2 { max-width: 520px; }
.article-cta p { color: #d3dde2; }
.button { display: inline-block; margin-top: 6px; padding: 13px 18px; background: #b9e5da; color: #102d2a; font-weight: 800; text-decoration: none; }
footer { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; padding: 24px max(24px, calc((100vw - 1180px) / 2)); }
footer a { color: inherit; }

@media (max-width: 640px) {
  .site-header { padding: 0 18px; }
  .header-cta { font-size: 13px; }
  .article-shell { padding: 44px 18px 58px; }
  .standfirst { font-size: 18px; }
  .figure { margin: 34px 0; padding: 7px; }
  .article-section { margin: 36px 0; }
  .article-cta { margin-top: 42px; padding: 28px 22px; }
  footer { align-items: flex-start; flex-direction: column; padding: 22px 18px; }
}