/* elecq.ai — 디자인 시스템 구현 v3 (정본: wiki/design/design-system.md)
   기준: 토스 TDS 실측(그레이·블루·그림자·radius·타이포 문법) × Stripe/Linear 크래프트
   (제품 UI 히어로·용해 마스크·실데이터 카운터·ease-out 리빌).
   근거: research/briefs/brief-toss-design.md · brief-craft-design.md */

@font-face {
  font-family: 'Pretendard';
  src: url('../fonts/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
  font-display: swap;
}

:root {
  /* 토스 그레이 (blue-tinted) [실측] */
  --g50: #f9fafb; --g100: #f2f4f6; --g200: #e5e8eb; --g300: #d1d6db;
  --g400: #b0b8c1; --g500: #8b95a1; --g600: #6b7684; --g700: #4e5968;
  --g800: #333d4b; --g900: #191f28;
  /* 토스 블루 [실측] */
  --blue: #3182f6; --blue-hover: #1b64da; --blue-weak: #e8f3ff; --blue-deep: #2272eb;
  /* 시맨틱 [실측 토스 토큰] */
  --ok: #03b26c; --warn: #fe9800; --out: #f04452;
  /* 시맨틱 weak — blue-weak와 같은 방식(시맨틱색 약 10% 틴트)으로 파생. 등급 배지 전용 */
  --ok-weak: #e6f7f0; --warn-weak: #fff5e6; --out-weak: #feecee;
  /* 그림자 — 남색 다층 저알파 [실측 --shadow-s/m/l 그대로] */
  --shadow-s: 0 0 4px 0 rgba(2,32,71,.05), 0 4px 16px 0 rgba(2,32,71,.05);
  --shadow-m: 0 8px 16px 0 rgba(0,27,55,.1), 0 4px 8px 0 rgba(2,32,71,.05);
  --shadow-l: 0 24px 40px 0 rgba(0,23,51,.02), 0 16px 24px 0 rgba(0,27,55,.1), 0 0 8px 0 rgba(2,32,71,.05);
  /* radius 3단 [실측]: 인풋·소형 8 / 카드 20 / CTA·pill 999 */
  --r-s: 8px; --r-m: 12px; --r-card: 20px; --r-pill: 999px;
  --ease: cubic-bezier(.25,1,.5,1);
  --header-h: 60px;
  --maxw: 1140px; --contentw: 1064px; --textw: 720px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 130px; }
body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  font-size: 15px; line-height: 1.6; font-weight: 400;
  color: var(--g800); background: #fff;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  word-break: keep-all;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--g900); font-weight: 700; letter-spacing: normal; }
.num, td.num, .stat b { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--blue); }

/* ---------- 스크롤 리빌 (토스: Y 페이드업 + 스태거) ---------- */
.rv { opacity: 0; transform: translate3d(0, 40px, 0); }
.rv.on { opacity: 1; transform: none; transition: opacity .7s var(--ease), transform .7s var(--ease); }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; } }

/* ---------- 헤더 (블러 반투명) ---------- */
.hd {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,.8); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  height: var(--header-h); display: flex; align-items: center;
  transition: box-shadow .2s ease;
}
.hd.scrolled { box-shadow: 0 1px 0 var(--g200); }
.hd-in {
  width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { font-size: 20px; font-weight: 700; color: var(--g900); }
.logo span { color: var(--blue); }
.nav { display: flex; gap: 2px; align-items: center; }
.nav a {
  color: var(--g800); font-size: 15px; font-weight: 600;
  padding: 8px 14px; border-radius: var(--r-s);
  transition: background .2s ease, color .1s ease;
}
.nav a:hover { background: var(--g100); }
.nav a.on { color: var(--blue); }
.menu-btn { display: none; background: none; border: 0; cursor: pointer; padding: 12px; border-radius: var(--r-s); }
.menu-btn:hover { background: var(--g100); }
.menu-btn span { display: block; width: 20px; height: 2px; border-radius: 1px; background: var(--g900); margin: 5px 0; }

/* ---------- 버튼 (토스: pill CTA·weak 세컨더리·색 변화만, 아웃라인 금지) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 52px; min-width: 140px; padding: 0 32px;
  font-size: 16px; font-weight: 600; line-height: 1;
  border-radius: var(--r-pill); border: 0; cursor: pointer;
  transition: background .2s ease, color .1s ease;
}
.btn-pri { background: var(--blue); color: #fff; }
.btn-pri:hover { background: var(--blue-hover); }
.btn-ghost { background: var(--g100); color: var(--g700); }
.btn-ghost:hover { background: var(--g300); }

/* ---------- 히어로 (공기감: 상단 블루 래디얼 + 순백 수렴) ---------- */
.hero {
  padding: calc(var(--header-h) + 88px) 24px 0; text-align: center;
  background:
    radial-gradient(1100px 520px at 50% -140px, #dcebff 0%, rgba(232,243,255,.55) 42%, rgba(255,255,255,0) 72%),
    #fff;
}
.hero h1 { font-size: 58px; line-height: 1.22; letter-spacing: -0.012em; max-width: 840px; margin: 0 auto; }
.hero p.lead { font-size: 20px; line-height: 1.5; font-weight: 600; color: var(--g600); margin: 24px auto 0; max-width: 640px; }
.hero .cta { margin-top: 36px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
/* 내부 페이지 히어로(비주얼 없음) — 홈과 같은 공기감, 하단 리듬 고정 */
.hero.hero-page { padding-bottom: 56px; }

/* 히어로 제품 비주얼 — 앱 윈도우형 보드 + 배면 글로우 + 하단 용해 마스크 */
.hero-visual {
  max-width: var(--contentw); margin: 76px auto 0; padding-bottom: 56px; position: relative;
  -webkit-mask-image: linear-gradient(180deg, #000 76%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 76%, transparent 100%);
}
.hero-visual::before {
  content: ''; position: absolute; inset: -8% -6% 18%;
  background: radial-gradient(50% 60% at 50% 40%, rgba(49,130,246,.14) 0%, rgba(49,130,246,0) 70%);
  filter: blur(6px); z-index: 0;
}
.hv-board {
  position: relative; z-index: 1;
  background: #fff; border-radius: 24px;
  box-shadow: var(--shadow-l), 0 0 0 1px rgba(2,32,71,.04);
  text-align: left; overflow: hidden;
}
/* 앱 톱바: 세그먼트 탭 + 라이브 표시 */
.hv-top {
  display: flex; align-items: center; justify-content: space-between; gap: 8px 12px; flex-wrap: wrap;
  padding: 14px 24px; background: var(--g50); border-bottom: 1px solid var(--g100);
}
.hv-brand { font-size: 14px; font-weight: 700; color: var(--g900); white-space: nowrap; }
.hv-brand span { color: var(--blue); }
.hv-tabs { display: inline-flex; background: var(--g100); border-radius: var(--r-s); padding: 3px; gap: 2px; }
.hv-tab { font-size: 12px; font-weight: 600; color: var(--g600); padding: 5px 14px; border-radius: 6px; }
.hv-tab.on { background: #fff; color: var(--g900); box-shadow: 0 1px 3px rgba(2,32,71,.1); }
a.hv-tab { transition: color .1s ease; }
a.hv-tab:not(.on):hover { color: var(--g900); }
.hv-body { display: grid; grid-template-columns: 1fr 1fr; }
.hv-cell { padding: 26px 28px 30px; }
.hv-cell + .hv-cell { border-left: 1px solid var(--g100); }
.hv-chips { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.hv-chip { font-size: 12px; font-weight: 600; color: var(--g600); background: var(--g100); border-radius: var(--r-pill); padding: 6px 12px; }
.hv-chip.on { background: var(--g900); color: #fff; }
.hv-cell .k { font-size: 13px; font-weight: 600; color: var(--g500); margin-bottom: 4px; }
.hv-cell .v { font-size: 38px; line-height: 1.15; font-weight: 700; color: var(--g900); font-variant-numeric: tabular-nums; }
.hv-cell .v em { font-style: normal; color: var(--blue-deep); }
.hv-benefit { display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue-deep); background: var(--blue-weak); border-radius: var(--r-pill); padding: 5px 12px; margin-top: 10px; }
.hv-rows { margin-top: 18px; }
.hv-row { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; padding: 8px 0; border-bottom: 1px solid var(--g100); color: var(--g600); }
.hv-row:last-child { border-bottom: 0; }
.hv-row b { font-weight: 600; color: var(--g800); font-variant-numeric: tabular-nums; }
.hv-row .minus { color: var(--blue-deep); }

/* ---------- 섹션 (토스 리듬: 100px 기본·#fff↔#f9fafb 교차·경계 보더 없음) ---------- */
.sec { padding: 100px 24px; }
.sec.alt { background: var(--g50); }
/* 히어로 직하 섹션 — 히어로가 하단 여백을 이미 가지므로 상단만 조임 */
.sec.pt-tight { padding-top: 24px; }
.sec.pt-mid { padding-top: 64px; }
.sec-in { max-width: var(--maxw); margin: 0 auto; }
.sec-in.narrow { max-width: var(--textw); }
.sec-in.sheetw { max-width: 856px; }
.eyebrow { font-size: 18px; font-weight: 700; color: var(--blue); margin-bottom: 12px; }
.sec h2 { font-size: 44px; line-height: 1.3; letter-spacing: -0.01em; }
h2 .tag { vertical-align: middle; margin-left: 6px; }
.sec .sub { font-size: 19px; line-height: 1.55; font-weight: 600; color: var(--g600); margin-top: 16px; max-width: 640px; }
.sec h3 { font-size: 20px; line-height: 1.4; }

/* ---------- 다크 피날레 (토스: 검정 섹션 1개) ---------- */
.sec.dark { background: var(--g900); }
.sec.dark h2 { color: var(--g50); text-align: center; margin: 0 auto; }
.sec.dark .sub { color: var(--g400); text-align: center; margin: 16px auto 0; }
.principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; margin-top: 56px; }
.principle { background: rgba(255,255,255,.05); border-radius: var(--r-card); padding: 28px 24px; }
.principle b { display: block; font-size: 17px; font-weight: 700; color: var(--g50); margin-bottom: 8px; }
.principle p { font-size: 14px; line-height: 1.6; color: var(--g400); }
.sec.dark .fn { color: var(--g600); text-align: center; }
.sec.dark .fn a { color: var(--g500); }

/* ---------- 스탯 스트립 (흰 카드 안 디바이더 분할 — 데이터 스트립) ---------- */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  margin-top: 64px; background: #fff; border-radius: var(--r-card); box-shadow: var(--shadow-s);
  overflow: hidden;
}
.stat { padding: 32px 28px; position: relative; }
.stat + .stat::before { content: ''; position: absolute; left: 0; top: 24px; bottom: 24px; width: 1px; background: var(--g100); }
.stat b { display: block; font-size: 40px; line-height: 1.2; font-weight: 700; color: var(--g900); }
.stat span { display: block; font-size: 13px; line-height: 1.5; color: var(--g600); margin-top: 10px; }
@media (max-width: 1199px) { .stat b { font-size: 34px; } }

/* ---------- 기능 카드 (#f9fafb 위 흰 카드·보더 없음·미니 UI 포함) ---------- */
.feat { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-top: 64px; }
.feat-card {
  background: #fff; border-radius: var(--r-card); box-shadow: var(--shadow-s);
  padding: 28px; display: flex; flex-direction: column; gap: 10px;
}
.feat-card p { font-size: 15px; line-height: 1.6; color: var(--g600); flex: 1; }
.feat-card .go { font-size: 15px; font-weight: 600; color: var(--blue); transition: color .1s ease; }
.feat-card .go:hover { color: var(--blue-hover); }
.mini { background: var(--g50); border-radius: var(--r-m); padding: 16px 18px; margin: 6px 0 10px; }
.mini .mrow { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; color: var(--g600); padding: 5px 0; }
.mini .mrow b { font-weight: 600; color: var(--g800); font-variant-numeric: tabular-nums; }
.mini .mrow b.hl { color: var(--blue-deep); font-weight: 700; }
.mini .gauge { margin-top: 10px; }
/* 미니 막대 비교(계산기 카드): EV vs 휘발유 */
.mini .mbar { display: flex; align-items: center; gap: 10px; padding: 4px 0; font-size: 12px; color: var(--g600); }
.mini .mbar .lb { flex: none; width: 52px; }
.mini .mbar .bar { height: 8px; border-radius: 4px; }
.mini .mbar .bar.ev { background: var(--blue); }
.mini .mbar .bar.ice { background: var(--g300); }
.mini .mbar b { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--g800); white-space: nowrap; }

/* ---------- 태그·상태 ---------- */
.tag {
  display: inline-block; font-size: 12px; line-height: 1; font-weight: 600;
  background: var(--blue-weak); color: var(--blue-deep);
  padding: 6px 10px; border-radius: var(--r-pill); vertical-align: 3px;
}
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.st-ok { color: var(--ok); font-weight: 600; } .st-ok .dot { background: var(--ok); }
.st-warn { color: var(--warn); font-weight: 600; } .st-warn .dot { background: var(--warn); }
.st-out { color: var(--out); font-weight: 600; } .st-out .dot { background: var(--out); }

/* ---------- 테이블 ---------- */
.tbl-wrap { overflow-x: auto; margin-top: 40px; background: #fff; border-radius: var(--r-card); box-shadow: var(--shadow-s); padding: 8px 24px 16px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
.tbl th {
  text-align: left; font-size: 13px; font-weight: 600; color: var(--g500);
  padding: 14px 12px 10px; border-bottom: 1px solid var(--g200); white-space: nowrap;
}
.tbl td { padding: 12px; border-bottom: 1px solid var(--g100); }
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl td.num, .tbl th.num { text-align: right; }
.tbl strong { color: var(--g900); font-weight: 600; }

/* ---------- 도구(계산기·트래커) ---------- */
.tool { display: grid; grid-template-columns: 5fr 6fr; gap: 28px; margin-top: 28px; align-items: start; }
.panel { background: var(--g50); border-radius: var(--r-card); padding: 28px; }
.panel h3 { margin-bottom: 18px; font-size: 18px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--g700); margin-bottom: 6px; }
.field .hint { font-size: 12px; line-height: 1.5; color: var(--g500); margin-top: 5px; }
.field input, .field select {
  width: 100%; font: inherit; font-size: 15px; height: 46px; padding: 0 14px;
  border: 0; border-radius: var(--r-s); background: #fff; color: var(--g900);
  box-shadow: inset 0 0 0 1px rgba(0,27,55,.1);
  transition: box-shadow .2s ease;
}
.field input:hover, .field select:hover { box-shadow: inset 0 0 0 1px rgba(0,27,55,.22); }
.field input:focus, .field select:focus { outline: none; box-shadow: inset 0 0 0 2px var(--blue); }
/* 셀렉트 — 네이티브 화살표 제거, 토큰 g600 셰브런 (토스 인풋 문법) */
.field select {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%236b7684' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px;
}
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.result { background: #fff; border-radius: var(--r-card); box-shadow: var(--shadow-m); padding: 32px; }
.result .big { font-size: 46px; line-height: 1.2; font-weight: 700; color: var(--g900); }
.result .cap { font-size: 13px; color: var(--g600); margin-top: 6px; }
.result .rows { margin-top: 24px; border-top: 2px solid var(--g900); }
.result .row { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--g100); font-size: 15px; color: var(--g600); }
.result .row b { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--g900); }
.result .row .pos { color: var(--ok); }
.result .row .minus { color: var(--blue-deep); }

/* ---------- notice / footnote ---------- */
.notice {
  background: var(--g100); border-radius: var(--r-m); padding: 16px 20px;
  font-size: 13px; line-height: 1.6; color: var(--g600); margin-top: 40px;
}
.notice strong { color: var(--g800); }
.notice a, .fn a { color: var(--g700); text-decoration: underline; text-underline-offset: 2px; transition: color .1s ease; }
.notice a:hover, .fn a:hover { color: var(--g900); }
.fn { font-size: 13px; line-height: 1.6; color: var(--g500); margin-top: 16px; }
.fn p { margin: 0; }

/* ---------- 문서 페이지 ---------- */
.doc-hero {
  padding: calc(var(--header-h) + 72px) 24px 40px;
  background:
    radial-gradient(1000px 500px at 50% -100px, #dcebff 0%, rgba(232,243,255,.55) 46%, rgba(255,255,255,0) 74%),
    #fff;
}
.doc-hero .sec-in { max-width: var(--maxw); }
.doc-kicker { font-size: 15px; font-weight: 700; color: var(--blue); margin-bottom: 12px; }
.doc-hero h1 { font-size: 44px; line-height: 1.3; }
.doc-hero .lead { font-size: 18px; font-weight: 600; color: var(--g600); margin-top: 14px; max-width: 620px; }
.doc-tabs { position: sticky; top: var(--header-h); background: rgba(255,255,255,.85); backdrop-filter: blur(20px); border-bottom: 1px solid var(--g200); z-index: 90; }
.doc-tabs-in { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.doc-tabs-in::-webkit-scrollbar { display: none; }
/* 탭바 오버플로 페이드 힌트 — 스크롤 여지가 있는 쪽만 (JS가 fade-l/fade-r 토글, 끝에 닿으면 해제) */
.doc-tabs-in.fade-r {
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 56px), transparent);
  mask-image: linear-gradient(90deg, #000 calc(100% - 56px), transparent);
}
.doc-tabs-in.fade-l {
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 56px);
  mask-image: linear-gradient(90deg, transparent, #000 56px);
}
.doc-tabs-in.fade-l.fade-r {
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 56px, #000 calc(100% - 56px), transparent);
  mask-image: linear-gradient(90deg, transparent, #000 56px, #000 calc(100% - 56px), transparent);
}
.doc-tabs a {
  flex: none; font-size: 15px; font-weight: 600; color: var(--g600);
  padding: 14px 12px; border-bottom: 2px solid transparent;
  transition: color .1s ease;
}
.doc-tabs a:hover { color: var(--g900); }
.doc-tabs a.on { color: var(--g900); border-bottom-color: var(--blue); }
.doc-body { padding: 56px 24px 88px; }
.doc-col { max-width: var(--textw); margin: 0 auto; }
.doc-toc { background: var(--g50); border-radius: var(--r-m); padding: 18px 22px; margin-bottom: 48px; }
.doc-toc p { font-size: 12px; font-weight: 700; color: var(--g500); margin-bottom: 8px; }
.doc-toc a { display: block; font-size: 14px; font-weight: 500; color: var(--g700); padding: 4px 0; transition: color .1s ease; }
.doc-toc a:hover { color: var(--blue); }
.doc { font-size: 15px; line-height: 1.7; }
.doc > :first-child { margin-top: 0; }
.doc h2 { font-size: 30px; line-height: 1.35; margin-top: 56px; }
.doc .eyebrow + h2 { margin-top: 0; }
.doc h3 { font-size: 20px; margin-top: 32px; }
.doc h4 { font-size: 16px; margin-top: 24px; }
.doc p, .doc ul, .doc ol { margin-top: 14px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin-top: 7px; }
.doc a { color: var(--blue-deep); transition: color .1s ease; }
.doc a:hover { color: var(--blue-hover); text-decoration: underline; text-underline-offset: 2px; }
.doc strong { color: var(--g900); font-weight: 600; }
.doc blockquote { background: var(--g50); border-radius: var(--r-m); padding: 16px 20px; margin-top: 18px; color: var(--g600); font-size: 14px; }
.doc hr { border: 0; border-top: 1px solid var(--g200); margin: 48px 0; }
.doc code { font-family: ui-monospace, 'SF Mono', Consolas, monospace; font-size: .9em; background: var(--g100); padding: 2px 6px; border-radius: 6px; }
.doc-code { font-family: ui-monospace, 'SF Mono', Consolas, monospace; font-size: 13px; line-height: 1.6; background: var(--g50); border-radius: var(--r-m); padding: 18px 22px; overflow-x: auto; margin-top: 16px; }
.doc-tbl { overflow-x: auto; margin-top: 18px; }
.doc-tbl table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.55; font-variant-numeric: tabular-nums; }
.doc-tbl th { text-align: left; font-size: 12px; font-weight: 700; color: var(--g500); padding: 8px 12px; border-bottom: 1px solid var(--g300); white-space: nowrap; }
.doc-tbl td { padding: 10px 12px; border-bottom: 1px solid var(--g100); vertical-align: top; }
.doc-check { list-style: none; padding-left: 0 !important; }
.doc-check li { display: flex; gap: 10px; align-items: baseline; }
.cb { flex: none; width: 14px; height: 14px; border: 1.5px solid var(--g400); border-radius: 4px; position: relative; top: 2px; }
.cb.on { background: var(--blue); border-color: var(--blue); }
.doc-pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 64px; }
.doc-pager a { display: flex; flex-direction: column; gap: 4px; font-size: 15px; font-weight: 600; color: var(--g900); background: var(--g50); border-radius: var(--r-m); padding: 16px 20px; flex: 1; max-width: 48%; transition: background .2s ease; }
.doc-pager a:hover { background: var(--g100); }
.doc-pager a span { font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--g500); text-transform: uppercase; }
.doc-pager a.next { text-align: right; margin-left: auto; }

/* 문서 시트 — g50 배경 위 흰 카드로 장문 독서면을 부양 (홈 카드 깊이 문법) */
.doc-sheet { background: #fff; border-radius: 24px; box-shadow: var(--shadow-s); padding: 56px 64px 64px; }
.doc-sheet > h2:first-child { margin-top: 0; }
/* 백서·B-Plan: g50 섹션 위 시트 — 본문 폭은 시트 패딩 포함 856px(내부 텍스트 약 728px 유지) */
.doc-body.on-sheet { background: var(--g50); }
.on-sheet .doc-col { max-width: 856px; }
.on-sheet .doc-pager a { background: #fff; box-shadow: var(--shadow-s); }
.on-sheet .doc-pager a:hover { background: var(--g100); }

/* ---------- 보조금 트래커 ---------- */
.demo-bar {
  background: var(--blue-weak); border-radius: var(--r-m); padding: 14px 20px;
  font-size: 13px; line-height: 1.6; color: var(--g700); margin-bottom: 28px;
}
.demo-bar strong { color: var(--g900); }
.live { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--blue-deep); margin-right: 10px; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }
.seg { display: inline-flex; background: var(--g100); border-radius: var(--r-m); padding: 4px; gap: 2px; }
.seg-btn {
  font: inherit; font-size: 15px; font-weight: 600; color: var(--g600);
  background: transparent; border: 0; border-radius: var(--r-s); height: 40px; padding: 0 22px; cursor: pointer;
  transition: background .2s ease, color .1s ease;
}
.seg-btn small { font-size: 12px; color: var(--g500); font-weight: 500; }
.seg-btn.on { background: #fff; color: var(--g900); box-shadow: var(--shadow-s); }
.r-region { font-size: 14px; font-weight: 700; color: var(--blue); margin-bottom: 6px; }
.gauge { height: 6px; background: var(--g200); border-radius: 3px; margin-top: 26px; overflow: hidden; }
.gauge-fill { height: 100%; width: 0; border-radius: 3px; transition: width .7s var(--ease); }
.g-ok { background: var(--blue); }
.g-warn { background: var(--warn); }
.g-out { background: var(--out); }
.gauge-cap { font-size: 13px; color: var(--g600); margin-top: 8px; display: flex; gap: 6px; align-items: center; }
.verdict { font-size: 15px; font-weight: 600; color: var(--g800); margin-top: 18px; }
.check { display: flex; align-items: baseline; gap: 10px; font-size: 14px; font-weight: 500 !important; color: var(--g700); padding: 8px 0; cursor: pointer; }
.check input { width: 16px; height: 16px; box-shadow: none; accent-color: var(--blue); flex: none; position: relative; top: 2px; }
.check small { color: var(--g500); font-size: 12px; }

/* ---------- 안전지수 판정 (백서 5.3 Solution 1 — 등급 배지·판정 타임라인·근거 패널·대안 경로) ---------- */
.res-below { margin-top: 20px; }
.res-row { display: grid; grid-template-columns: 5fr 6fr; gap: 28px; margin-top: 20px; align-items: start; }
/* 열 고정 — 대안 경로가 숨겨져도 실구매가는 판정 카드 아래(우측 열)에 그대로 남는다 */
.res-row > .apath { grid-column: 1; }
.res-row > .result { grid-column: 2; }
.vd-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.vd-sub + .vd-head, .result .cap + .vd-head { margin-top: 16px; }
.vd-badge {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--g900); font-size: 17px; font-weight: 700; line-height: 1;
  padding: 11px 18px; border-radius: var(--r-pill); white-space: nowrap;
}
.vd-badge .dot { width: 8px; height: 8px; margin: 0; vertical-align: baseline; }
.vd-badge.is-safe    { background: var(--ok-weak); }
.vd-badge.is-caution { background: var(--warn-weak); }
.vd-badge.is-risk    { background: var(--out-weak); }
.vd-badge.is-info    { background: var(--g100); }
.vd-badge.is-safe .dot { background: var(--ok); }
.vd-badge.is-caution .dot { background: var(--warn); }
.vd-badge.is-risk .dot { background: var(--out); }
.vd-badge.is-info .dot { background: var(--g500); }
.vd-badge.vd-lg { font-size: 21px; padding: 13px 22px; }
.vd-method { font-size: 13px; font-weight: 600; color: var(--g700); background: var(--g100); border-radius: var(--r-pill); padding: 8px 13px; }
.vd-sentence { font-size: 15px; line-height: 1.6; font-weight: 600; color: var(--g800); margin-top: 16px; }
.vd-note { font-size: 13px; line-height: 1.6; color: var(--g600); margin-top: 8px; }
.vd-sub { font-size: 14px; line-height: 1.6; color: var(--g600); margin-top: 6px; }

/* 근거 패널 — 판정에 쓴 입력을 전부 공개(신뢰 규율) */
.vd-basis { background: var(--g50); border-radius: var(--r-m); padding: 6px 18px 12px; margin-top: 22px; }
.vd-basis .vb-h { font-size: 12px; font-weight: 700; color: var(--g500); padding: 12px 0 2px; }
.vb-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; padding: 9px 0; border-bottom: 1px solid var(--g200); font-size: 13px; color: var(--g600); }
.vb-row:last-child { border-bottom: 0; }
.vb-row b { font-weight: 600; color: var(--g800); font-variant-numeric: tabular-nums; text-align: right; }
@media (min-width: 1001px) {
  .res-below .vd-basis { display: grid; grid-template-columns: 1fr 1fr; column-gap: 44px; }
  .res-below .vd-basis .vb-h { grid-column: 1 / -1; }
  .res-below .vb-row:last-child { border-bottom: 1px solid var(--g200); }
}
.vb-row b em { display: block; font-style: normal; font-size: 11px; font-weight: 500; color: var(--g500); margin-top: 2px; }

/* 판정 타임라인 — 소진 예측 시점 vs 내 출고 시점 (PHP: lib/verdict-ui.php · JS: tracker.js 동일 DOM) */
.vt { --vt-lbw: 84px; --vt-tailw: 46px; --vt-lh: 24px; display: flex; gap: 10px; margin-top: 24px; }
.vt-lbs, .vt-tails { flex: none; padding-top: 24px; }
.vt-lbs { width: var(--vt-lbw); }
.vt-tails { width: var(--vt-tailw); }
.vt-lbs span, .vt-tails span {
  display: flex; align-items: center; height: var(--vt-lh); margin-bottom: 6px;
  font-size: 12px; font-weight: 600; color: var(--g600);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.vt-tails span { justify-content: flex-end; font-weight: 700; }
.vt-lbs span:last-child, .vt-tails span:last-child { margin-bottom: 0; }
.vt-tails .is-safe { color: var(--ok); }
.vt-tails .is-caution { color: var(--warn); }
.vt-tails .is-risk { color: var(--out); }
.vt-tails .is-info { color: var(--g500); }
.vt-plot { flex: 1; min-width: 0; position: relative; padding-top: 24px; }
.vt-mark {
  position: absolute; top: 0; left: 0; transform: translateX(-50%);
  font-size: 12px; font-weight: 700; color: var(--g700); white-space: nowrap;
}
.vt-mark.is-right { transform: translateX(-100%); }
.vt-mark.is-left { transform: none; }
.vt-zone { position: absolute; top: 24px; bottom: 28px; background: rgba(25,31,40,.06); border-radius: 4px; }
.vt-line { position: absolute; top: 24px; bottom: 28px; width: 0; border-left: 1.5px dashed var(--g500); }
.vt-lane { position: relative; height: var(--vt-lh); margin-bottom: 6px; }
.vt-lane:last-of-type { margin-bottom: 0; }
.vt-lane::before {
  content: ''; position: absolute; left: 0; right: 0; top: calc((var(--vt-lh) - 10px) / 2);
  height: 10px; border-radius: 5px; background: var(--g100);
}
.vt-bar { position: absolute; top: calc((var(--vt-lh) - 10px) / 2); height: 10px; border-radius: 5px; }
.vt-bar.is-remain {
  background: var(--blue);
  -webkit-mask-image: linear-gradient(90deg, #000 74%, rgba(0,0,0,.3) 100%);
  mask-image: linear-gradient(90deg, #000 74%, rgba(0,0,0,.3) 100%);
}
.vt-bar.is-safe { background: var(--ok); }
.vt-bar.is-caution { background: var(--warn); }
.vt-bar.is-risk { background: var(--out); }
.vt-bar.is-info { background: var(--g400); }
.vt-axis { position: relative; height: 22px; margin-top: 6px; }
.vt-axis span { position: absolute; top: 3px; transform: translateX(-50%); font-size: 11px; font-weight: 500; color: var(--g500); white-space: nowrap; }
.vt-axis span.is-0 { transform: none; }
/* 축소형 — 히어로 보드·기능 카드의 미니 UI */
.vt-mini { --vt-lbw: 66px; --vt-tailw: 38px; --vt-lh: 20px; margin-top: 18px; gap: 8px; }
.vt-mini .vt-lbs span, .vt-mini .vt-tails span { font-size: 11px; }
.vt-mini .vt-mark { font-size: 11px; }
.vt-notail { --vt-tailw: 0px; }
.vt-notail .vt-tails { display: none; }
.hv-cell .vd-badge { margin-top: 6px; }
.mini .vt { margin-top: 12px; }
.mini .vt-lane::before { background: var(--g200); }

/* 대안 경로 블록 — 백서 5.3 Solution 3의 서열 그대로 */
.apath { background: var(--g50); border-radius: var(--r-card); padding: 26px 28px; }
.apath h3 { font-size: 18px; }
.apath .lead2 { font-size: 14px; line-height: 1.65; color: var(--g600); margin-top: 8px; }
.apath .lead2 strong { color: var(--g900); font-weight: 600; }
.ap-list { margin-top: 8px; }
.ap-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--g200); }
.ap-item:last-child { border-bottom: 0; padding-bottom: 2px; }
.ap-no {
  flex: none; width: 24px; height: 24px; border-radius: 50%; background: #fff;
  color: var(--g700); font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-s);
}
.ap-t { font-size: 15px; font-weight: 700; color: var(--g900); }
.ap-d { font-size: 13px; line-height: 1.65; color: var(--g600); margin-top: 4px; }
.ap-d strong { color: var(--g800); font-weight: 600; }

/* ---------- 푸터 (alt 섹션과의 병합 방지: 상단 헤어라인) ---------- */
.ft { background: var(--g50); border-top: 1px solid var(--g200); padding: 56px 24px 48px; }
.ft-in { max-width: var(--maxw); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.ft .logo { font-size: 17px; }
.ft nav { display: flex; gap: 2px; flex-wrap: wrap; }
.ft a { color: var(--g600); font-size: 13px; font-weight: 500; padding: 6px 10px; border-radius: var(--r-s); transition: background .2s ease; }
.ft a:hover { background: var(--g100); }
.ft .copy { font-size: 12px; line-height: 1.6; color: var(--g500); width: 100%; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--g200); }

/* ---------- 반응형 ---------- */
@media (max-width: 1000px) {
  .res-row { grid-template-columns: 1fr; }
  .res-row > .apath, .res-row > .result { grid-column: auto; }
  .nav {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 8px 16px 16px; box-shadow: var(--shadow-m);
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 10px; border-radius: var(--r-s); font-size: 16px; }
  .menu-btn { display: block; }
  .tool { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(odd)::before { display: none; }
}
@media (max-width: 899px) {
  .sec { padding: 64px 20px; }
  .hero { padding: calc(var(--header-h) + 56px) 20px 0; }
  .hero h1 { font-size: 40px; }
  .sec h2 { font-size: 34px; }
  .hv-body { grid-template-columns: 1fr; }
  .hv-cell + .hv-cell { border-left: 0; border-top: 1px solid var(--g100); }
  .doc-body { padding: 40px 20px 64px; }
  .doc-sheet { padding: 40px 32px 48px; }
}
@media (max-width: 599px) {
  .vt { --vt-lbw: 62px; --vt-tailw: 34px; }
  .vt-lbs span, .vt-tails span { font-size: 11px; }
  .vt-axis span:nth-of-type(even) { display: none; }
  .sec { padding: 56px 16px; }
  .hero { padding: calc(var(--header-h) + 44px) 16px 0; }
  .hero h1 { font-size: 32px; line-height: 1.3; }
  .hero p.lead { font-size: 17px; }
  .doc-hero h1 { font-size: 30px; }
  .sec h2 { font-size: 28px; }
  .sec .sub { font-size: 16px; }
  .doc h2 { font-size: 24px; }
  .stat b { font-size: 36px; }
  .stat { padding: 26px 24px; }
  .stats { grid-template-columns: 1fr; }
  .stat + .stat::before, .stat:nth-child(odd)::before { display: block; left: 24px; right: 24px; top: 0; bottom: auto; width: auto; height: 1px; }
  .result .big { font-size: 38px; }
  .result { padding: 24px 20px; }
  .panel { padding: 24px 20px; }
  .frow { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .hero-visual { margin-top: 48px; }
  .hv-top { padding: 12px 16px; }
  .hv-cell { padding: 20px 16px 24px; }
  .tbl-wrap { padding: 4px 16px 12px; }
  .doc-sheet { padding: 32px 20px 40px; border-radius: 20px; }
  .doc-pager { flex-direction: column; }
  .doc-pager a { max-width: 100%; }
}