/* MinerHunter — 파일 단면 검사대와 증거 기록지 (2차 다듬기 2026-10-26)
   토큰 → 기본 → 머리·히어로 → 소개 장 → 보고서 지면 → 가이드 → 모션 → 반응형 순서 */

:root {
  /* 색: 역할별 */
  --bench: #1c2530;          /* 검사대 */
  --surface: #232d3a;        /* 결과 면 */
  --surface-2: #293442;      /* 표면층 */
  --surface-evidence: #23332f; /* 근거층 */
  --surface-judgment: #202b35; /* 판단층 */
  --surface-compare: #26392f;
  --text: #eaeef2;
  --muted: #a9b4c0;
  --cta: #91d8b1;
  --cta-hover: #b2e9ca;
  --line: #41515e;
  --line-strong: #6b7d8e;    /* 다크 UI 경계 3:1 */
  --stack-line: #4e665e;
  --paper: #f0ece3;
  --paper-sheet: #faf9f5;
  --paper-tint: #e9e5dc;
  --ink: #1c2833;
  --subtle: #526171;
  --link: #236845;
  --link-hover: #174e33;
  --paper-line: #c5c8be;
  --paper-line-strong: #78837a;  /* 밝은 지면 UI 경계 3:1 */
  --caution: #a04000;
  --flag: #f1c40f;           /* 추가 판단(작은 선에만) */
  --critical: #e74c3c;

  /* 앱 화면 재현(원본 UI 색) */
  --ui-bg: #1c2530;
  --ui-card: #232d3a;
  --ui-line: #3f4d5f;
  --ui-btn: #2f3b4a;
  --ui-btn-line: #8292a4;
  --ui-text: #eaeef2;
  --ui-sub: #a9b4c0;
  --ui-body: #cdd6e0;
  --ui-caption: #b4bfcb;
  --ui-high: #e67e22;
  --ui-font: 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;

  /* 서체 */
  --font: 'IBM Plex Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* 크기 6단계 */
  --fs-xs: 14px;
  --fs-s: 16px;
  --fs-body: 18px;
  --fs-h3: clamp(20px, 0.5vw + 16px, 23px);
  --fs-h2: clamp(30px, 1.2vw + 25px, 42px);
  --fs-display: clamp(38px, 2.6vw + 27px, 64px);

  /* 간격 (8px 배수 + 섹션 토큰 하나) */
  --space-section: clamp(64px, 4vw + 48px, 112px);
  --gutter: 48px;
  --header-h: 80px;

  /* 모서리·그림자 */
  --radius-s: 2px;
  --radius-m: 4px;
  --shadow-1: 0 1px 2px rgba(13, 21, 32, .14);
  --shadow-2: 0 1px 2px rgba(13, 21, 32, .12), 0 12px 32px -16px rgba(13, 21, 32, .42);

  /* 모션 */
  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur-micro: 160ms;
  --dur-enter: 520ms;
}

/* ───────── 기본 ───────── */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body {
  margin: 0;
  background: var(--bench);
  color: var(--text);
  font: 400 var(--fs-body)/1.72 var(--font);
  word-break: keep-all;
  overflow-wrap: anywhere;
}
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; font-weight: 600; }
p, dd, li { text-wrap: pretty; }
h1 { font-size: var(--fs-display); line-height: 1.23; letter-spacing: -.05em; }
h2 { font-size: var(--fs-h2); line-height: 1.35; letter-spacing: -.045em; }
h3 { font-size: var(--fs-h3); line-height: 1.5; letter-spacing: -.025em; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 6px; }
button, input { font: inherit; }
a, button, input, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--cta);
  outline-offset: 2px;
}
.paper a:focus-visible, .paper input:focus-visible, .paper summary:focus-visible, .paper button:focus-visible,
.site-footer a:focus-visible { outline-color: var(--link); }
::selection { background: var(--cta); color: var(--bench); }

.wrap { max-width: 1200px; width: calc(100% - var(--gutter) * 2); margin-inline: auto; }
.mono { font-family: var(--mono); letter-spacing: -.025em; font-weight: 400; font-variant-numeric: tabular-nums; }
.skip {
  position: fixed; left: 20px; top: 16px; z-index: 30;
  transform: translateY(-160%);
  background: var(--cta); color: var(--bench); padding: 12px 20px;
}
.skip:focus { transform: none; }

/* 실제 버튼·메뉴 이름 토큰 */
kbd.ui-key {
  display: inline-block;
  font: 500 .9em/1.45 var(--font);
  padding: 0 .4em;
  margin-inline: .08em;
  border: 1px solid currentColor;
  border-radius: var(--radius-m);
  border-color: color-mix(in srgb, currentColor 45%, transparent);
  white-space: nowrap;
  color: inherit;
}
.paper kbd.ui-key { background: var(--paper-sheet); color: var(--ink); border-color: var(--paper-line-strong); }

/* ───────── 머리 ───────── */
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; gap: 28px; align-items: center;
  min-height: var(--header-h);
  background: var(--bench);
  box-shadow: 0 0 0 100vmax var(--bench);
  clip-path: inset(0 -100vmax);
}
.site-header { transition: box-shadow var(--dur-micro) var(--ease); }
/* 1px 하단 선: 넘침을 만들지 않도록 그림자로 그린다(스크롤 뒤에만) */
.site-header.is-scrolled, html:not(.js) .site-header { box-shadow: 0 0 0 100vmax var(--bench), 0 1px 0 100vmax var(--line); clip-path: inset(0 -100vmax -1px); }
.wordmark {
  display: inline-flex; align-items: center; gap: 13px; min-height: 44px;
  font-size: 21px; font-weight: 600; letter-spacing: -.05em;
}
.wordmark:hover { text-decoration: none; }
.mark { position: relative; display: inline-block; width: 28px; height: 30px; flex: none; }
.mark i { position: absolute; width: 19px; height: 23px; border: 1px solid currentColor; left: 1px; top: 0; transition: transform var(--dur-micro) var(--ease); }
.mark i:last-child { left: 8px; top: 7px; border-color: var(--cta); background: var(--bench); }
.mark::after { content: ''; position: absolute; left: 0; top: 15px; width: 28px; height: 1px; background: var(--cta); z-index: 1; }
.wordmark:hover .mark i:last-child, .wordmark:focus-visible .mark i:last-child { transform: translate(2px, 2px); }
.header-status { font-size: var(--fs-xs); color: var(--muted); margin-left: auto; }
.site-header nav { display: flex; gap: 28px; align-items: center; font-size: 15px; }
.site-header nav a { display: inline-flex; align-items: center; min-height: 44px; gap: 10px; }
.nav-guide { color: var(--cta); }
.guide-page .site-header nav a[aria-current] { color: var(--cta); }

/* ───────── 공통 조각 ───────── */
.eyebrow { display: flex; align-items: center; gap: 12px; font-size: var(--fs-xs); font-weight: 500; line-height: 1.7; }
.index { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--cta); }
.small-label { display: block; font-size: 13px; font-weight: 500; color: var(--muted); line-height: 1.7; }
figcaption, .caption { font-size: var(--fs-xs); line-height: 1.7; color: var(--muted); }
figcaption { margin-top: 16px; }
.plain-note { border-left: 2px solid currentColor; padding-left: 16px; font-size: var(--fs-s); line-height: 1.75; }
.text-link {
  display: inline-flex; align-items: center; gap: 16px; min-height: 44px;
  color: var(--cta); font-size: var(--fs-s); font-weight: 500;
}
.text-link > span { transition: transform var(--dur-micro) var(--ease); }
.text-link:hover > span { transform: translate(2px, -2px); }

.button {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: 52px; padding: 14px 22px;
  background: var(--cta); color: var(--bench);
  font-size: var(--fs-s); font-weight: 600; line-height: 1.45;
  border: 1px solid var(--cta); border-radius: var(--radius-s);
  box-shadow: var(--shadow-1);
  transition: background-color var(--dur-micro) var(--ease), box-shadow var(--dur-micro) var(--ease), transform 120ms var(--ease);
}
.button > span { font-size: 22px; font-weight: 400; line-height: 1; transition: transform var(--dur-micro) var(--ease); }
.button:hover { background: var(--cta-hover); text-decoration: none; box-shadow: var(--shadow-2); }
.button:hover > span { transform: translate(2px, -2px); }
.button:active { transform: scale(.98); box-shadow: var(--shadow-1); }
.button:focus-visible { outline-offset: 2px; }

.section-space { padding-top: var(--space-section); }
.section-heading { margin-bottom: 48px; }
.section-heading h2 { margin-top: 16px; }
.section-heading > p:last-child:not(.eyebrow) { color: var(--muted); margin-top: 16px; }
.row-index { font-family: var(--mono); font-size: 15px; color: var(--cta); line-height: 1.8; }

/* ───────── 히어로: 파일 단면 ───────── */
.hero { padding-top: 40px; text-align: center; }
.hero .eyebrow { justify-content: center; margin-bottom: 16px; }
.hero-description { color: var(--muted); margin-top: 16px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 28px; margin-top: 24px; }
.release-note { font-size: 15px; text-align: left; line-height: 1.65; color: var(--text); }
.release-note span { font-size: var(--fs-xs); color: var(--muted); }

.file-section { margin: 40px auto 0; max-width: 1000px; text-align: left; }
.section-ruler {
  position: relative; display: flex; justify-content: space-between;
  font: 11px/1.5 var(--mono); letter-spacing: .07em; color: var(--muted);
  padding: 0 4px 12px;
}
.section-ruler span:last-child { font-family: var(--font); font-size: 12px; letter-spacing: 0; }
.file-layers { position: relative; padding: 0 28px 16px 0; }
.file-layers::before { content: ''; position: absolute; right: 0; left: 24px; top: 20px; bottom: 0; border: 1px solid var(--stack-line); }
.file-layer {
  position: relative;
  display: grid; grid-template-columns: 172px 1fr auto; align-items: center;
  min-height: 92px; padding: 14px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.file-layer + .file-layer { border-top: 0; }
.file-layer.surface { min-height: 104px; background: var(--surface-2); z-index: 3; }
.file-layer.content { margin-left: 12px; border-left: 2px solid var(--cta); background: var(--surface-evidence); z-index: 2; }
.file-layer.judgment { margin-left: 24px; background: var(--surface-judgment); z-index: 1; }
.layer-key { display: flex; gap: 20px; align-items: center; font-size: var(--fs-xs); color: var(--muted); }
.layer-key .mono { font-size: 12px; color: var(--cta); }
.layer-value { font-size: 31px; font-weight: 500; letter-spacing: -.035em; line-height: 1.35; }
.surface .layer-value { font-size: 45px; font-weight: 400; letter-spacing: -.055em; }
.surface .layer-value span { color: var(--muted); }
.content .layer-value { color: var(--cta); }
.layer-side { font-size: var(--fs-xs); color: var(--muted); margin-left: 20px; line-height: 1.5; }
.judgment .layer-side.stamp {
  color: var(--text);
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--flag);
  border-radius: var(--radius-s);
  background: var(--bench);
}
.file-glyph { width: 45px; height: 54px; color: var(--muted); }
.file-section figcaption { text-align: center; }

/* ───────── 02 검사 대상 ───────── */
.scope-row {
  display: grid; grid-template-columns: 64px 1fr 430px; column-gap: 28px;
  padding: 32px 0; border-top: 1px solid var(--line);
}
.scope-row:last-child { border-bottom: 1px solid var(--line); }
.scope-row p { color: var(--muted); font-size: var(--fs-s); margin-top: 12px; }
.evidence-strip { padding: 4px 0 4px 24px; border-left: 1px solid var(--line); }
.evidence-strip > span:nth-child(2) { display: block; margin-top: 8px; font-size: 17px; }
.evidence-strip p { font-size: var(--fs-xs); margin-top: 8px; max-width: 380px; }

/* ───────── 03 단면 비교 ───────── */
.compare-diagram {
  position: relative; display: grid; grid-template-columns: 1fr 1fr;
  min-height: 272px; border: 1px solid var(--line);
}
.compare-side { position: relative; display: flex; flex-direction: column; justify-content: center; padding: 40px 48px; min-width: 0; }
.compare-side strong { display: block; margin-top: 16px; font-size: 38px; line-height: 1.35; font-weight: 500; letter-spacing: -.04em; }
.compare-side p { font-size: 15px; color: var(--muted); margin-top: 12px; }
.format-side { background: var(--surface-compare); border-left: 1px solid var(--line); }
.format-side strong { color: var(--cta); }
.diagram-rule {
  position: absolute; bottom: 24px; left: 48px; right: 48px; height: 7px;
  background: repeating-linear-gradient(90deg, var(--muted) 0 1px, transparent 1px 16px); opacity: .35;
}
.compare-line { display: none; position: absolute; left: var(--position); top: 0; bottom: 0; width: 2px; background: var(--cta); transform: translateX(-1px); }
.compare-line span {
  position: absolute; top: calc(100% - 25px); left: 50%; transform: translate(-50%, -50%);
  display: grid; place-items: center; width: 34px; height: 34px;
  border: 1px solid var(--cta); background: var(--bench); color: var(--cta); font-size: 20px;
}
.range-control { display: none; margin-top: 24px; }
.range-control label { display: flex; gap: 16px; align-items: center; min-height: 32px; font-size: var(--fs-s); font-weight: 500; }
.range-hint { font-size: 13px; font-weight: 400; color: var(--muted); }
input[type=range] { display: block; width: 100%; height: 44px; margin: 8px 0 0; accent-color: var(--cta); cursor: ew-resize; }
.range-endpoints { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.comparison-status { font-size: var(--fs-xs); color: var(--cta); margin-top: 8px; }
.comparison-status:empty { display: none; }
.compare-evidence { display: grid; grid-template-columns: 140px 1fr; gap: 24px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.compare-evidence > .index { justify-self: start; align-self: start; padding: 2px 8px; border: 1px solid var(--cta); border-radius: var(--radius-s); line-height: 1.6; }
.compare-evidence h3 { font-size: 19px; }
.compare-evidence p { font-size: var(--fs-s); color: var(--muted); margin-top: 8px; max-width: 850px; }
.compare-section > .caption { margin-top: 16px; }
.static-instruction { display: inline; }
.js-instruction { display: none; }
.js .static-instruction { display: none; }
.js .js-instruction { display: inline; }
.js .range-control, .js .compare-line { display: block; }
.js .compare-diagram { display: block; isolation: isolate; overflow: hidden; }
.js .compare-side { min-height: 272px; width: 100%; }
.js .format-side { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--position)); border: 0; padding-left: 53%; }
.js .name-side { padding-right: 53%; }
html:not(.js) .compare-diagram { display: block; }
html:not(.js) .compare-side { min-height: 216px; }
html:not(.js) .format-side { border-left: 0; border-top: 1px solid var(--line); }

/* ───────── 04 결과 읽기 + 앱 화면 재현 ───────── */
.judgment-section { display: grid; grid-template-columns: 390px 1fr; gap: 64px; align-items: start; padding-bottom: var(--space-section); }
.judgment-copy h2 { margin-top: 16px; }
.judgment-copy p:not(.eyebrow) { margin-top: 24px; color: var(--muted); font-size: 17px; }
.judgment-copy .text-link { margin-top: 16px; }

.ui-panel {
  min-width: 0;
  color: var(--ui-text); background: var(--ui-bg);
  border: 1px solid var(--line-strong); border-radius: var(--radius-m);
  font: 400 15px/1.7 var(--ui-font);
  box-shadow: var(--shadow-2);
}
.ui-title { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 22px; border-bottom: 1px solid var(--ui-line); font-size: 17px; font-weight: 600; }
.window-lines { font-size: 13px; font-weight: 400; color: var(--ui-sub); }
.ui-toolbar { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 20px; border-bottom: 1px solid var(--ui-line); }
.ui-button {
  display: inline-flex; justify-content: center; align-items: center;
  min-height: 40px; padding: 7px 12px;
  background: var(--ui-btn); color: var(--ui-text);
  border: 1px solid var(--ui-btn-line); border-radius: var(--radius-m);
  font: 400 14px/1.5 var(--ui-font);
}
.ui-button.primary { background: #1f6f4a; border-color: #91d8b1; }
.ui-button.muted { color: #b8c2ce; background: #25303d; border-color: #788b9d; }
.ui-button.cancel { background: #7a2e2e; border-color: #cf9999; }
.ui-body { padding: 20px; }
.ui-section-title { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; font-size: 18px; font-weight: 600; }
.count { min-width: 24px; padding: 0 7px; border-radius: 12px; background: var(--ui-btn); font-size: 13px; font-weight: 400; text-align: center; }
.ui-finding { position: relative; padding: 16px 16px 16px 20px; background: var(--ui-card); border-radius: var(--radius-m); }
.ui-finding::before, .report-finding::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--ui-high); border-radius: var(--radius-m) 0 0 var(--radius-m); transform-origin: top;
}
.ui-finding strong { display: block; font-size: 15px; line-height: 1.6; }
.ui-category { display: block; margin-top: 4px; color: var(--ui-sub); font-size: 14px; }
.ui-evidence { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; color: var(--ui-body); font-size: 14px; line-height: 1.75; }
.ui-evidence .mono { font-size: 14px; }
.ui-actions { margin-top: 12px; }
.ui-panel figcaption, .paper .ui-panel figcaption {
  margin: 0; padding: 16px 20px; border-top: 1px solid var(--ui-line);
  color: var(--ui-caption); font-family: var(--font); font-size: var(--fs-xs);
}
.ui-progress-track { height: 8px; border-radius: 4px; background: var(--ui-btn); }
.ui-message { margin-top: 12px; color: var(--ui-sub); font-size: 14px; }
.first-screen { min-height: 160px; }
.empty-grid { height: 56px; border-top: 1px solid var(--ui-btn); }
.save-example > strong { font-size: 17px; }
.save-filename { display: flex; flex-direction: column; gap: 6px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--ui-line); font-size: 14px; }
.save-filename > span:first-child { color: var(--ui-sub); font-size: 13px; }
.inline-confirm { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--ui-line); }
.inline-confirm > strong { font-size: 17px; }
.inline-confirm > p { margin-top: 12px; color: var(--ui-body); }
.quarantine-entry { padding: 16px; background: var(--ui-card); border: 1px solid var(--ui-line); border-radius: var(--radius-m); }
.quarantine-entry > p { margin-bottom: 8px; font-size: 14px; }
.quarantine-entry > p:nth-child(2) { color: var(--ui-sub); }

/* ───────── 밝은 보고서 지면 (한 번 전환) ───────── */
.paper { position: relative; background: var(--paper); color: var(--ink); }
.paper::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--link); transform-origin: left center;
}
.paper .index, .paper .row-index { color: var(--link); }
.paper .section-heading > p:last-child, .paper .caption, .paper .small-label, .paper figcaption { color: var(--subtle); }
.paper .button { background: var(--link); border-color: var(--link); color: #fff; }
.paper .button:hover { background: var(--link-hover); }
.paper .text-link { color: var(--link); }
.paper .mark i:last-child, .site-footer .mark i:last-child { background: var(--paper); border-color: var(--link); }
.paper .mark::after, .site-footer .mark::after { background: var(--link); }

/* 05 보고서 */
.report-section { display: grid; grid-template-columns: 400px 1fr; gap: 96px; align-items: center; }
.report-copy h2 { margin-top: 16px; }
.report-copy > p:not(.eyebrow) { margin-top: 24px; color: var(--subtle); }
.format-line { display: flex; align-items: center; gap: 28px; padding: 20px 0; border-bottom: 1px solid var(--paper-line); }
.format-line:first-of-type { margin-top: 24px; border-top: 1px solid var(--paper-line); }
.format-line .mono { min-width: 48px; font-size: 15px; color: var(--link); }
.format-line p { font-size: var(--fs-s); }
.report-copy .plain-note { margin-top: 24px; }
.report-sheet {
  position: relative; margin-right: 12px;
  background: var(--paper-sheet); border: 1px solid #b9bfb6; border-radius: var(--radius-s);
  /* 아래에 한 장 더 겹친 기록지 + 저채도 그림자 */
  box-shadow: 12px 12px 0 -1px #e2e2d8, 12px 12px 0 0 var(--paper-line), var(--shadow-2);
}
.report-file { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 16px 28px; border-bottom: 1px solid var(--paper-line); font-size: 14px; color: var(--subtle); }
.report-content { padding: 32px; }
.report-content h3 { margin-top: 16px; font-size: 25px; }
.report-meta { margin-top: 24px; font-size: 14px; color: var(--subtle); line-height: 1.8; }
.report-finding { position: relative; margin-top: 32px; padding: 16px 20px 16px 24px; background: #f0f2ed; font-size: 14px; }
.report-finding::before { background: var(--caution); border-radius: 0; }
.report-finding strong { font-size: 15px; }
.report-finding .ui-category { color: var(--subtle); }
.report-finding p { margin-top: 16px; }
.report-sheet figcaption { margin: 0; padding: 16px 28px; border-top: 1px solid var(--paper-line); font-size: var(--fs-xs); }

/* 06 개별 조치 */
.action-flow { border-top: 1px solid var(--paper-line); }
.action-entry { display: grid; grid-template-columns: 1fr 1fr; gap: 96px; align-items: center; padding: 40px 0; border-bottom: 1px solid var(--paper-line); }
.action-text { position: relative; padding-left: 72px; }
.action-text > .row-index { position: absolute; left: 0; top: 4px; }
.action-text p { margin-top: 16px; font-size: 17px; color: var(--subtle); }
.dialog-example { padding: 28px; background: var(--paper-sheet); border: 1px solid #bec5b9; border-radius: var(--radius-m); box-shadow: var(--shadow-1); }
.dialog-heading { font-size: 19px; font-weight: 600; }
.dialog-example > p { margin-top: 16px; font-size: var(--fs-s); color: var(--subtle); }
.dialog-options { display: flex; justify-content: flex-end; gap: 8px; margin-top: 24px; }
.dialog-example .ui-button { color: var(--ink); background: #e9ede4; border-color: var(--paper-line-strong); }
.dialog-example .ui-button.primary { background: var(--link); color: #fff; border-color: var(--link); }
.dialog-example figcaption { padding-top: 16px; border-top: 1px solid var(--paper-line); font-size: var(--fs-xs); }
.action-warning { display: grid; grid-template-columns: 172px 1fr; gap: 24px; margin-top: 24px; padding: 20px 24px; border-left: 2px solid var(--caution); background: var(--paper-tint); }
.action-warning p { font-size: var(--fs-s); color: var(--caution); }
.action-warning .small-label { color: var(--caution); }

/* 07 사용 순서 */
.quick-steps { margin: 0 0 32px; padding: 0; list-style: none; border-top: 1px solid var(--paper-line); }
.quick-steps li { display: grid; grid-template-columns: 124px 1fr 56px; align-items: center; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--paper-line); }
.step-number { display: inline-block; font-size: 42px; line-height: 1; color: var(--link); }
.quick-steps h3 { font-size: 21px; }
.quick-steps p { margin-top: 8px; font-size: var(--fs-s); color: var(--subtle); }
.quick-steps a {
  display: grid; place-items: center; min-width: 48px; min-height: 48px;
  font-size: 24px; color: var(--link); border: 1px solid var(--paper-line-strong); border-radius: var(--radius-s);
  transition: background-color var(--dur-micro) var(--ease), transform 120ms var(--ease);
}
.quick-steps a:hover { background: #e0e8db; text-decoration: none; }
.quick-steps a:active { transform: scale(.96); }

/* 08 환경 */
.spec-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 64px; margin: 0; border-top: 1px solid var(--paper-line); }
.spec-list > div { display: grid; grid-template-columns: 138px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--paper-line); font-size: var(--fs-s); }
.spec-list dt { color: var(--subtle); }
.spec-list dd { margin: 0; }
.legacy-note { margin-top: 32px; }
.legacy-note summary { padding-inline: 20px; border: 1px solid var(--paper-line); border-radius: var(--radius-s); }

/* 09 데이터 */
.data-grid { display: grid; grid-template-columns: 400px 1fr; gap: 96px; margin-top: 24px; }
.data-grid p { color: var(--subtle); font-size: 17px; }
.data-grid p + p { margin-top: 24px; }
.data-grid .text-link { margin-top: 16px; }

/* 10 FAQ · details */
.faq-list { border-top: 1px solid var(--paper-line); }
details { border-bottom: 1px solid var(--paper-line); }
summary {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: 60px; padding: 20px 0; list-style: none; cursor: pointer;
  font-size: var(--fs-body); font-weight: 500;
}
summary::-webkit-details-marker { display: none; }
summary > span { flex: none; font-size: 25px; line-height: 1; font-weight: 400; color: var(--link); transition: transform var(--dur-micro) var(--ease); }
details[open] > summary > span { transform: rotate(45deg); }
.answer { max-width: 860px; padding: 0 0 24px; color: var(--subtle); font-size: 17px; }
.answer p + p { margin-top: 16px; }
.faq-section > .text-link { margin-top: 16px; }

/* 마무리 */
.closing { padding: var(--space-section) 0 96px; text-align: center; }
.closing-mark { display: block; margin-bottom: 24px; }
.closing-mark .mark { transform: scale(1.4); }
.closing .eyebrow { justify-content: center; }
.closing h2 { margin-top: 24px; font-size: clamp(36px, 1.6vw + 29px, 52px); }
.closing > p:not(.eyebrow) { margin-top: 24px; color: var(--subtle); }
.closing .button { margin-top: 32px; }
.closing > .caption { margin-top: 16px; }

/* 푸터 */
.site-footer { padding: 40px 0 24px; background: var(--paper); color: var(--ink); border-top: 1px solid var(--paper-line); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.footer-top p { font-size: 15px; color: var(--subtle); }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
.footer-links > div { display: flex; flex-wrap: wrap; align-items: center; gap: 0 24px; }
.site-footer .small-label { width: 100%; font-size: 13px; color: var(--subtle); }
.footer-links a, .footer-bottom a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: var(--fs-xs); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--paper-line); color: var(--subtle); font-size: 13px; }
.footer-bottom a { margin-left: auto; font-size: 13px; }

/* ───────── 가이드 ───────── */
.guide-hero { padding-top: 40px; padding-bottom: 64px; }
.guide-hero > .text-link { margin-bottom: 24px; font-size: var(--fs-xs); }
.guide-hero .eyebrow { margin-bottom: 24px; }
.guide-hero h1 { font-size: clamp(36px, 2vw + 27px, 56px); line-height: 1.3; }
.guide-hero > p:last-of-type { max-width: 760px; margin-top: 24px; color: var(--muted); }
.guide-readiness { display: flex; flex-direction: column; margin-top: 32px; padding-left: 20px; border-left: 2px solid var(--cta); font-size: var(--fs-s); }
.guide-readiness strong { font-weight: 500; }
.guide-readiness span { margin-top: 4px; font-size: var(--fs-xs); color: var(--muted); }
.guide-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 96px; padding-top: 64px; padding-bottom: 80px; }

.guide-toc { position: sticky; top: calc(var(--header-h) + 16px); align-self: start; padding-top: 16px; border-top: 1px solid var(--paper-line); }
.toc-toggle { display: none; }
.guide-toc .small-label { margin-bottom: 16px; }
.toc-links a {
  position: relative; display: block; min-height: 44px; padding: 10px 0 10px 0;
  font-size: var(--fs-xs); color: var(--subtle); border-bottom: 1px solid var(--paper-line);
  transition: color var(--dur-micro) var(--ease), padding var(--dur-micro) var(--ease);
}
.toc-links a::before {
  content: ''; position: absolute; left: 0; top: 50%; width: 8px; height: 2px; margin-top: -1px;
  background: var(--link); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-micro) var(--ease);
}
.toc-links a:hover { color: var(--link); }
.toc-links a[aria-current="true"] { color: var(--ink); font-weight: 600; padding-left: 16px; }
.toc-links a[aria-current="true"]::before { transform: scaleX(1); }

.guide-content { min-width: 0; max-width: 780px; }
.guide-step { margin-top: 72px; padding-top: 72px; border-top: 1px solid var(--paper-line); }
.guide-step:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.guide-step h2 { margin-top: 16px; font-size: clamp(27px, 0.9vw + 23px, 34px); }
.guide-step > p:not(.eyebrow) { max-width: 670px; margin-top: 24px; color: var(--subtle); font-size: 17px; }
.guide-step > .ui-panel { margin-top: 32px; margin-bottom: 32px; }
.guide-step > h3 { margin-top: 32px; font-size: 22px; }
.guide-instructions { margin: 24px 0 0; }
.guide-instructions > div { display: grid; grid-template-columns: 102px 1fr; gap: 24px; padding: 16px 0; border-top: 1px solid var(--paper-line); font-size: 17px; line-height: 1.75; }
.guide-instructions dt { font-weight: 500; color: var(--link); }
.guide-instructions dd { margin: 0; color: var(--subtle); }
.stage-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin: 24px 0 0; padding: 0; list-style: none; counter-reset: stage; }
.stage-list li { display: flex; gap: 16px; align-items: baseline; padding: 12px 0; border-top: 1px solid var(--paper-line); counter-increment: stage; font-size: 15px; color: var(--subtle); }
.stage-list li::before { content: counter(stage, decimal-leading-zero); flex: none; font: 12px/1.6 var(--mono); color: var(--link); }
.uncertainty-example { position: relative; margin-top: 24px; padding: 20px 24px; border-left: 4px solid var(--caution); background: var(--paper-tint); }
.uncertainty-example blockquote { margin: 12px 0 0; font-size: 17px; color: var(--caution); }
.guide-warning { margin-top: 24px; padding: 20px 24px; border-left: 2px solid var(--caution); background: var(--paper-tint); font-size: 17px; }
.guide-warning strong { font-weight: 500; color: var(--caution); }
.guide-warning p { margin-top: 12px; color: var(--subtle); }
.advanced-details { margin-top: 24px; border-top: 1px solid var(--paper-line); }
.advanced-details summary { font-size: 17px; }
.advanced-details .answer { padding-top: 8px; }
.advanced-details h3 { margin: 32px 0 16px; font-size: 21px; }
.advanced-details h3:first-child { margin-top: 0; }
.advanced-details blockquote { margin: 24px 0; padding-left: 18px; border-left: 2px solid var(--link); font-size: var(--fs-s); }
.advanced-details pre { margin: 16px 0; padding: 16px 20px; background: #e3e3da; border: 1px solid var(--paper-line); border-radius: var(--radius-s); white-space: pre-wrap; overflow-wrap: anywhere; font: 14px/1.8 var(--mono); }
.code-wrap { margin-top: 16px; font-size: 14px; line-height: 1.8; }
.command-arg { white-space: nowrap; }
.terminal-example { margin: 24px 0; padding: 24px; background: var(--ui-card); color: var(--ui-text); border-radius: var(--radius-m); }
.terminal-example p { font-size: 15px; }
.terminal-example p + p { margin-top: 16px; }
.terminal-example figcaption { color: var(--ui-caption); }
.terminal-example blockquote { color: var(--ui-body); }
.error-example { margin-top: 24px; padding: 24px; border: 1px solid var(--paper-line); background: var(--paper-tint); border-radius: var(--radius-s); }
.error-example > div { padding: 12px 0; border-bottom: 1px solid var(--paper-line); color: var(--caution); font-size: 17px; }
.error-example > div > span { color: var(--subtle); }
.error-example figcaption { font-size: var(--fs-xs); }
.guide-step > .faq-list { margin-top: 32px; }
.guide-step .faq-list summary { font-size: 17px; }
.guide-end { margin-top: 56px; padding-top: 56px; border-top: 1px solid var(--paper-line); }
.guide-end p { margin-top: 16px; font-size: 20px; }
.guide-end .button { margin-top: 24px; }

/* 404 */
.error-page { min-height: calc(100vh - var(--header-h)); padding-top: 96px; }
.error-code { font-size: 18px; color: var(--cta); }
.error-page h1 { margin-top: 24px; }
.error-page > p { margin-top: 32px; color: var(--muted); }
.error-page .hero-actions { justify-content: flex-start; }

/* ───────── 모션 언어: “단면을 벌리고, 근거에 표를 찍는다” ─────────
   html.js(머리 인라인 스크립트)가 있고 모션 감소 설정이 아닐 때만 적용한다.
   opacity·transform만 움직인다. JS가 없거나 reduce면 처음부터 최종 상태다. */
@media (prefers-reduced-motion: no-preference) {
  /* 1) 히어로 단면 분리: 세 층이 표면층 아래에 포개졌다가 한 겹씩 내려와 자리를 잡는다 */
  html.js .hero .file-layer.content { animation: mh-split-2 560ms var(--ease) 120ms both; }
  html.js .hero .file-layer.judgment { animation: mh-split-3 600ms var(--ease) 200ms both; }
  html.js .hero .file-layers::before { animation: mh-fade 480ms var(--ease) 360ms both; }
  html.js .hero .section-ruler { animation: mh-fade 400ms var(--ease) both; }
  html.js .hero .stamp { animation: mh-stamp 220ms cubic-bezier(.3, 1.4, .5, 1) 720ms both; }
  html.js .hero .file-glyph { animation: mh-fade 400ms var(--ease) 80ms both; }

  @keyframes mh-split-2 { from { transform: translate(-12px, -100%); opacity: 0; } to { transform: none; opacity: 1; } }
  @keyframes mh-split-3 { from { transform: translate(-24px, -200%); opacity: 0; } to { transform: none; opacity: 1; } }
  @keyframes mh-fade { from { opacity: 0; } to { opacity: 1; } }
  @keyframes mh-stamp { from { transform: scale(1.18); opacity: 0; } to { transform: none; opacity: 1; } }

  /* 2) 등장(한 번): 위 층에서 떨어져 나오듯 -12px 위·왼쪽에서 제자리로 */
  html.io .rv { opacity: 0; transform: translate(-8px, -12px); transition: opacity var(--dur-enter) var(--ease), transform var(--dur-enter) var(--ease); transition-delay: calc(var(--i, 0) * 75ms); }
  html.io .rv.in { opacity: 1; transform: none; }

  /* 3) 증거 표식: 층이 자리 잡은 뒤 심각도 선이 위→아래로 그어지고, 번호·표지가 찍힌다 */
  html.io .rv .ui-finding::before, html.io .rv .report-finding::before { transform: scaleY(0); transition: transform 360ms var(--ease) calc(var(--i, 0) * 75ms + 300ms); }
  html.io .rv.in .ui-finding::before, html.io .rv.in .report-finding::before { transform: none; }
  html.io .rv .step-number, html.io .rv .compare-evidence-mark { opacity: 0; transform: scale(1.25); transition: opacity 200ms var(--ease) calc(var(--i, 0) * 75ms + 240ms), transform 220ms cubic-bezier(.3, 1.4, .5, 1) calc(var(--i, 0) * 75ms + 240ms); }
  html.io .rv.in .step-number, html.io .rv.in .compare-evidence-mark { opacity: 1; transform: none; }

  /* 4) 보고서 전환: 밝은 지면에 들어설 때 상단 기록선이 왼쪽→오른쪽으로 한 번 그어진다 */
  html.io .paper::before { transform: scaleX(0); transition: transform 700ms var(--ease); }
  html.io .paper.in::before { transform: none; }

  /* 5) 마무리 표식: 두 겹이 벌어져 있다가 맞물린다 */
  html.io .closing.rv .mark i:last-child { transform: translate(8px, 8px); transition: transform 520ms var(--ease) 200ms; }
  html.io .closing.rv.in .mark i:last-child { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ───────── 반응형 ───────── */
@media (max-width: 1100px) {
  :root { --gutter: 32px; }
  .scope-row { grid-template-columns: 40px 1fr 350px; gap: 24px; }
  .judgment-section { grid-template-columns: 320px 1fr; gap: 40px; }
  .report-section, .data-grid { grid-template-columns: 320px 1fr; gap: 56px; }
  .action-entry { gap: 56px; }
  .guide-layout { grid-template-columns: 176px minmax(0, 1fr); gap: 48px; }
  .guide-instructions > div { grid-template-columns: 84px 1fr; gap: 20px; }
  .spec-list { column-gap: 32px; }
  .spec-list > div { grid-template-columns: 110px 1fr; }
}

@media (max-width: 850px) {
  :root { --gutter: 28px; --header-h: 72px; }
  .site-header { gap: 20px; }
  .site-header nav { gap: 20px; }
  .site-header nav a:first-child:not(.nav-guide) { display: none; }
  .hero { padding-top: 40px; }
  .hero-description { font-size: 17px; }
  .file-layer { grid-template-columns: 128px 1fr; min-height: 100px; padding-inline: 24px; }
  .file-layer.surface { min-height: 104px; }
  .file-glyph { display: none; }
  .surface .layer-value { font-size: 40px; }
  .layer-value { font-size: 29px; }
  .layer-side { grid-column: 2; justify-self: start; margin: 4px 0 0; }
  .scope-row { grid-template-columns: 40px 1fr; gap: 16px; }
  .evidence-strip { grid-column: 2; margin-top: 8px; padding: 0; border-left: 0; }
  .evidence-strip p { max-width: 540px; }
  .evidence-strip > span:nth-child(2) { font-size: 15px; }
  .compare-side { padding: 32px; }
  .compare-side strong { font-size: 31px; }
  .diagram-rule { left: 32px; right: 32px; }
  .judgment-section { grid-template-columns: 1fr; gap: 32px; }
  .judgment-copy { max-width: 640px; }
  .report-section { grid-template-columns: 1fr; gap: 40px; }
  .report-copy { max-width: 600px; }
  .report-sheet { max-width: 650px; }
  .action-entry { grid-template-columns: 1fr 1fr; gap: 40px; }
  .action-text { padding-left: 0; }
  .action-text > .row-index { position: static; display: block; margin-bottom: 12px; }
  .action-warning { grid-template-columns: 1fr; gap: 8px; }
  .spec-list { grid-template-columns: 1fr; }
  .spec-list > div { grid-template-columns: 150px 1fr; }
  .data-grid { grid-template-columns: 1fr; gap: 32px; }
  .data-grid > div { max-width: 660px; }
  .quick-steps li { grid-template-columns: 80px 1fr 48px; gap: 20px; }
  .step-number { font-size: 36px; }
  .closing { padding-bottom: 80px; }
  .footer-links { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { gap: 8px 20px; }
  .footer-bottom a { margin-left: 0; }

  /* 가이드: 목차를 머리 아래 고정 막대로 접는다 (JS 있을 때) */
  .guide-layout { grid-template-columns: 1fr; gap: 40px; padding-top: 32px; }
  .guide-toc { position: static; }
  .toc-links { display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; }
  html.js .guide-toc {
    position: sticky; top: var(--header-h); z-index: 15;
    margin-inline: calc(var(--gutter) * -1); padding: 0 var(--gutter);
    background: var(--paper); border-top: 0; border-bottom: 1px solid var(--paper-line);
  }
  html.js .guide-toc > .small-label { display: none; }
  html.js .toc-toggle {
    display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%;
    min-height: 52px; padding: 0; border: 0; background: none; color: var(--ink); cursor: pointer;
    font-size: 15px; font-weight: 500; text-align: left;
  }
  .toc-toggle .toc-now { color: var(--link); font-weight: 600; }
  .toc-toggle .toc-chevron { flex: none; color: var(--link); transition: transform var(--dur-micro) var(--ease); }
  .toc-toggle[aria-expanded="true"] .toc-chevron { transform: rotate(180deg); }
  html.js .toc-links { grid-template-columns: 1fr; padding-bottom: 12px; }
  html.js .toc-links[hidden] { display: none; }
  html.js:has(.guide-page) { scroll-padding-top: calc(var(--header-h) + 68px); }
  .guide-content { max-width: 700px; }
  .guide-step { margin-top: 56px; padding-top: 56px; }
  .guide-instructions > div { grid-template-columns: 100px 1fr; }
  .guide-readiness { font-size: 15px; }
}

@media (max-width: 560px) {
  :root { --gutter: 20px; --fs-body: 17px; --header-h: 68px; }
  .site-header { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; column-gap: 12px; row-gap: 0; padding-block: 6px; }
  .wordmark { grid-row: 1; font-size: 19px; gap: 10px; min-height: 36px; }
  .wordmark .mark { transform: scale(.88); margin-left: -2px; }
  .header-status { grid-row: 2; grid-column: 1; margin: -4px 0 0 36px; font-size: 12px; line-height: 1.5; }
  .site-header nav { grid-row: 1 / 3; grid-column: 2; font-size: 14px; gap: 0; }
  .site-header nav a { gap: 8px; }
  h1 { line-height: 1.32; letter-spacing: -.04em; }
  h2 { line-height: 1.4; }
  .hero { padding-top: 32px; }
  .hero .eyebrow { font-size: 13px; }
  .hero-description { font-size: var(--fs-s); }
  .desktop-break { display: none; }
  .hero-actions { flex-direction: column; gap: 16px; margin-top: 24px; }
  .hero .button { width: 100%; max-width: 330px; }
  .release-note { text-align: center; font-size: var(--fs-xs); }
  .file-section { margin-top: 32px; }
  .section-ruler { font-size: 9px; letter-spacing: .02em; gap: 10px; }
  .section-ruler span:last-child { font-size: 10px; }
  .file-layers { padding-right: 12px; padding-bottom: 14px; }
  .file-layers::before { left: 12px; top: 16px; }
  .file-layer, .file-layer.surface { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px; min-height: 90px; padding: 12px 16px; }
  .layer-key { width: 100%; gap: 12px; font-size: 12px; line-height: 1.5; }
  .layer-value { font-size: 25px; }
  .surface .layer-value { font-size: 34px; }
  .layer-side { width: 100%; margin: 0; font-size: 13px; }
  .judgment .layer-side.stamp { width: auto; margin-top: 4px; padding: 4px 10px; }
  .file-layer.content { margin-left: 6px; }
  .file-layer.judgment { margin-left: 12px; }
  .file-section figcaption { text-align: left; }
  .section-heading { margin-bottom: 32px; }
  .section-heading > p:last-child:not(.eyebrow) { font-size: var(--fs-s); }
  .eyebrow { font-size: 13px; gap: 10px; }
  .index { font-size: 11px; }
  .scope-row { grid-template-columns: 28px 1fr; gap: 12px; padding: 24px 0; }
  .row-index { font-size: 13px; }
  .scope-row h3 { font-size: 20px; }
  .scope-row p { font-size: 15px; margin-top: 8px; }
  .evidence-strip { padding-top: 12px; margin-top: 0; }
  .evidence-strip .small-label { font-size: 12px; }
  .compare-diagram { display: block; min-height: 0; }
  .compare-side { min-height: 188px; padding: 28px 24px; }
  .format-side { border-left: 0; border-top: 1px solid var(--line); }
  .compare-side strong { font-size: 28px; }
  .compare-side p { font-size: var(--fs-xs); }
  .diagram-rule { left: 24px; right: 24px; bottom: 18px; }
  html:not(.js) .compare-side { min-height: 188px; }
  .js .compare-diagram, .js .compare-side { min-height: 236px; }
  .js .name-side { justify-content: center; padding: 24px 14px; padding-right: 52%; }
  .js .format-side { justify-content: center; padding: 24px 14px; padding-left: calc(50% + 17px); }
  .js .compare-side strong { font-size: 21px; }
  .js .compare-side p { font-size: var(--fs-xs); }
  .js .compare-side .small-label { font-size: 13px; }
  .js .compare-side .diagram-rule { left: 14px; right: 14px; bottom: 20px; }
  .compare-line span { width: 30px; height: 30px; font-size: 18px; }
  .range-control label { font-size: 15px; gap: 12px; }
  .compare-evidence { grid-template-columns: 1fr; gap: 12px; padding-top: 20px; }
  .compare-evidence h3 { font-size: 18px; }
  .compare-evidence p { font-size: 15px; }
  .judgment-section { gap: 28px; }
  .judgment-copy p:not(.eyebrow) { font-size: var(--fs-s); }
  .ui-title { padding: 14px 16px; font-size: 16px; }
  .ui-toolbar { padding: 12px 14px; gap: 8px; }
  .ui-button { padding: 7px 10px; }
  .ui-body { padding: 16px 14px; }
  .ui-section-title { font-size: 17px; }
  .ui-finding { padding: 12px 12px 12px 16px; }
  .ui-finding strong { font-size: 14px; }
  .ui-panel figcaption, .paper .ui-panel figcaption { padding: 12px 14px; }
  .report-section { gap: 32px; }
  .report-copy > p:not(.eyebrow) { font-size: var(--fs-s); }
  .format-line { padding: 16px 0; gap: 22px; }
  .format-line p { font-size: 15px; }
  .report-sheet { margin-right: 8px; }
  .report-sheet { box-shadow: 8px 8px 0 -1px #e2e2d8, 8px 8px 0 0 var(--paper-line), var(--shadow-2); }
  .report-file { padding: 14px 18px; font-size: 13px; }
  .report-content { padding: 24px 18px; }
  .report-content h3 { font-size: 22px; }
  .report-finding { margin-top: 24px; padding: 14px 15px 14px 19px; font-size: 13px; }
  .report-finding strong { font-size: 14px; }
  .report-sheet figcaption { padding: 12px 18px; }
  .action-entry { grid-template-columns: 1fr; gap: 24px; padding: 28px 0; }
  .action-text p { font-size: var(--fs-s); }
  .action-text > .row-index { margin-bottom: 8px; }
  .dialog-example { padding: 22px; }
  .dialog-example > p { font-size: 15px; }
  .dialog-heading { font-size: 18px; }
  .action-warning { padding: 18px 20px; }
  .action-warning p { font-size: 15px; }
  .quick-steps li { grid-template-columns: 44px 1fr 44px; gap: 14px; padding: 24px 0; }
  .step-number { font-size: 29px; }
  .quick-steps h3 { font-size: 18px; }
  .quick-steps p { font-size: var(--fs-xs); }
  .quick-steps a { min-width: 44px; min-height: 44px; font-size: 22px; }
  .how-section > .button { width: 100%; gap: 14px; padding-inline: 16px; font-size: var(--fs-xs); }
  .spec-list > div { grid-template-columns: 1fr; gap: 4px; padding: 18px 0; }
  .spec-list dt { font-size: 13px; }
  .legacy-note summary { padding: 18px; font-size: 15px; }
  .answer { font-size: var(--fs-s); }
  .data-grid { gap: 24px; }
  .data-grid p { font-size: var(--fs-s); }
  .plain-note { font-size: 15px; }
  summary { gap: 18px; padding: 20px 0; font-size: var(--fs-s); }
  .closing { padding-bottom: 64px; }
  .closing > p:not(.eyebrow) { font-size: var(--fs-s); }
  .site-footer { padding: 32px 0 24px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-top p { font-size: 13px; }
  .footer-links { margin-top: 28px; gap: 24px; }
  .footer-links > div { column-gap: 20px; }
  .footer-bottom { display: block; margin-top: 24px; font-size: 12px; }
  .footer-bottom > span { display: block; margin-bottom: 4px; }

  .guide-hero { padding-top: 28px; padding-bottom: 40px; }
  .guide-hero > .text-link { margin-bottom: 16px; }
  .guide-hero h1 { line-height: 1.35; }
  .guide-hero > p:last-of-type { margin-top: 20px; font-size: var(--fs-s); }
  .guide-readiness { margin-top: 24px; padding-left: 16px; }
  .guide-layout { gap: 32px; padding-top: 24px; padding-bottom: 48px; }
  .toc-links { column-gap: 18px; }
  .toc-links a { padding-block: 12px; font-size: 15px; }
  .guide-step { margin-top: 48px; padding-top: 48px; }
  .guide-step > p:not(.eyebrow) { margin-top: 16px; font-size: var(--fs-s); }
  .guide-step > .ui-panel { margin-top: 24px; margin-bottom: 24px; }
  .guide-instructions > div { grid-template-columns: 1fr; gap: 8px; padding: 16px 0; font-size: var(--fs-s); }
  .stage-list { grid-template-columns: 1fr; margin-top: 20px; }
  .stage-list li { padding: 11px 0; font-size: var(--fs-xs); }
  .uncertainty-example { margin-top: 20px; padding: 18px; }
  .uncertainty-example blockquote { font-size: var(--fs-s); }
  .guide-warning { padding: 18px; font-size: var(--fs-s); }
  .guide-step .faq-list summary, .advanced-details summary { font-size: var(--fs-s); }
  .advanced-details pre { padding: 14px; font-size: 12px; }
  .terminal-example { padding: 18px; }
  .terminal-example p { font-size: 13px; }
  .error-example { padding: 18px; }
  .error-example > div { font-size: var(--fs-s); }
  .guide-end { margin-top: 40px; padding-top: 32px; }
  .guide-end p { font-size: 18px; }
  .error-page { padding-top: 64px; }
  .error-page .hero-actions { align-items: flex-start; gap: 22px; }
}