/* ============================================================
   교통사고 합의금 계산 — Design System (accidentcalc)
   8pt scale · restrained navy/gold palette · editorial type
   ============================================================ */
:root{
  --c-brand:#16406b; --c-brand-2:#1f5c9e; --c-ink:#0d2033; --c-accent:#b1802f;
  --c-accent-soft:#f3ead8;
  --c-bg:#ffffff; --c-surface:#f5f8fc; --c-surface-2:#eaf1f9; --c-line:#e3e9f1;
  --c-text:#1e2a38; --c-muted:#5b6b7c; --c-white:#ffffff;
  --ok:#1f7a52; --warn:#9a6b12; --danger:#a63a2f;
  --r-xs:6px; --r-sm:10px; --r-md:16px; --r-lg:24px; --r-pill:999px;
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:96px;--sp-8:128px;
  --shadow-sm:0 1px 2px rgba(16,40,70,.05),0 1px 3px rgba(16,40,70,.07);
  --shadow-md:0 8px 24px rgba(16,40,70,.09);
  --shadow-lg:0 22px 60px rgba(16,40,70,.15);
  --maxw:1140px; --readw:780px;
  --font:'Pretendard',system-ui,-apple-system,'Apple SD Gothic Neo','Segoe UI',sans-serif;
  --font-serif:'Noto Serif KR',Georgia,serif;
  --t:220ms cubic-bezier(.2,.6,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.acc{margin:0;font-family:var(--font);color:var(--c-text);background:var(--c-bg);
  font-size:17px;line-height:1.75;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand-2);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-brand)}
:focus-visible{outline:3px solid #7aa7e0;outline-offset:2px;border-radius:4px}
.acc-wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(18px,5vw,32px)}

/* ---------- Header / Nav ---------- */
.ac-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--c-line)}
.ac-header .bar{display:flex;align-items:center;gap:var(--sp-3);height:70px}
.ac-logo{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--c-ink);
  font-size:1.06rem;letter-spacing:-.02em}
.ac-logo .mark{width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--c-brand),var(--c-brand-2));display:grid;place-items:center;
  box-shadow:var(--shadow-sm)}
.ac-logo .mark svg{width:22px;height:22px}
.ac-logo .bt{display:flex;flex-direction:column;line-height:1.15}
.ac-logo .bt small{font-weight:600;font-size:.68rem;color:var(--c-accent);letter-spacing:.04em}
.ac-nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.ac-nav a{color:var(--c-text);font-weight:600;font-size:.95rem;padding:10px 14px;border-radius:var(--r-sm)}
.ac-nav a:hover{background:var(--c-surface);color:var(--c-brand)}
.ac-cta{background:var(--c-brand);color:#fff !important;padding:11px 20px !important;border-radius:var(--r-pill);
  font-weight:700;box-shadow:var(--shadow-sm)}
.ac-cta:hover{background:var(--c-ink);color:#fff !important}
.ac-burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:var(--r-sm);cursor:pointer;align-items:center;justify-content:center}
.ac-burger span,.ac-burger span::before,.ac-burger span::after{content:"";display:block;width:20px;height:2px;
  background:var(--c-ink);position:relative;transition:var(--t)}
.ac-burger span::before{position:absolute;top:-6px}.ac-burger span::after{position:absolute;top:6px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:1rem;
  padding:14px 26px;border-radius:var(--r-pill);cursor:pointer;border:1px solid transparent;
  transition:var(--t);text-align:center;justify-content:center;min-height:48px}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-brand-2);color:var(--c-brand);background:var(--c-surface)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#946a24;color:#fff}

/* ---------- Hero ---------- */
.ac-hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 500px at 80% -10%,rgba(31,92,158,.14),transparent 60%),
  linear-gradient(180deg,#fbfdff,#f2f7fc)}
.ac-hero .acc-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-6);
  align-items:center;padding-block:clamp(56px,9vw,110px)}
.ac-hero .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--c-brand);font-weight:700;
  font-size:.82rem;letter-spacing:.06em;text-transform:none;background:#fff;border:1px solid var(--c-line);
  padding:7px 14px;border-radius:var(--r-pill);box-shadow:var(--shadow-sm)}
.ac-hero .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.ac-hero h1{font-family:var(--font-serif);font-weight:700;color:var(--c-ink);
  font-size:clamp(2.1rem,4.6vw,3.35rem);line-height:1.22;letter-spacing:-.02em;margin:22px 0 18px}
.ac-hero p.lead{font-size:1.12rem;color:var(--c-muted);max-width:34em;margin:0 0 30px;line-height:1.8}
.ac-hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.ac-hero .hero-visual{position:relative}
.ac-hero .hero-visual img{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);
  aspect-ratio:4/3;object-fit:cover;width:100%}
.ac-hero .hero-visual::after{content:"";position:absolute;inset:auto -18px -18px auto;width:62%;height:62%;
  border-radius:var(--r-lg);background:linear-gradient(150deg,rgba(31,92,158,.16),rgba(177,128,47,.14));
  z-index:-1}
.hero-stats{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-stats .s b{display:block;font-family:var(--font-serif);font-size:1.55rem;color:var(--c-brand)}
.hero-stats .s span{font-size:.82rem;color:var(--c-muted)}

/* ---------- Sections ---------- */
.section{padding-block:clamp(56px,8vw,108px)}
.section.alt{background:var(--c-surface)}
.sec-head{max-width:640px;margin:0 auto var(--sp-5);text-align:center}
.sec-head .kicker{color:var(--c-accent);font-weight:700;letter-spacing:.08em;font-size:.8rem}
.sec-head h2{font-family:var(--font-serif);font-size:clamp(1.6rem,3.2vw,2.3rem);color:var(--c-ink);
  line-height:1.3;margin:10px 0 12px;letter-spacing:-.02em}
.sec-head p{color:var(--c-muted);font-size:1.05rem}
.sec-head.left{text-align:left;margin-inline:0}

/* ---------- Feature cards (3 pillars) ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.pillar{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:var(--sp-4);
  transition:var(--t);box-shadow:var(--shadow-sm)}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cdd9e8}
.pillar .ico{width:52px;height:52px;border-radius:14px;background:var(--c-surface-2);display:grid;place-items:center;margin-bottom:18px}
.pillar .ico svg{width:26px;height:26px;stroke:var(--c-brand)}
.pillar h3{font-size:1.18rem;color:var(--c-ink);margin:0 0 8px}
.pillar p{color:var(--c-muted);font-size:.97rem;margin:0}

/* ---------- Post cards / carousel ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.pcard{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;transition:var(--t);box-shadow:var(--shadow-sm)}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.pcard .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 500ms ease}
.pcard:hover .thumb img{transform:scale(1.05)}
.pcard .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.pcard .cat{align-self:flex-start;font-size:.72rem;font-weight:700;color:var(--c-brand);
  background:var(--c-surface-2);padding:5px 11px;border-radius:var(--r-pill)}
.pcard h3{font-size:1.12rem;line-height:1.45;color:var(--c-ink);margin:0}
.pcard p{color:var(--c-muted);font-size:.92rem;margin:0;flex:1}
.pcard .more{color:var(--c-brand);font-weight:700;font-size:.9rem;margin-top:6px}
.carousel{position:relative}
.carousel .track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,1fr);gap:var(--sp-3);
  overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin}
.carousel .track>*{scroll-snap-align:start}
.carousel .track::-webkit-scrollbar{height:8px}
.carousel .track::-webkit-scrollbar-thumb{background:#cdd9e8;border-radius:99px}
.car-nav{display:flex;gap:10px;justify-content:flex-end;margin-bottom:18px}
.car-nav button{width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  cursor:pointer;display:grid;place-items:center;transition:var(--t)}
.car-nav button:hover{background:var(--c-brand);border-color:var(--c-brand)}
.car-nav button:hover svg{stroke:#fff}
.car-nav button svg{width:18px;height:18px;stroke:var(--c-ink)}

/* ---------- Tool / Calculator ---------- */
.tool-band{background:linear-gradient(150deg,var(--c-brand),var(--c-ink));color:#fff;border-radius:var(--r-lg);
  padding:clamp(28px,4vw,52px);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.tool-band::after{content:"";position:absolute;inset:auto -80px -120px auto;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(177,128,47,.35),transparent 65%)}
.ac-form{display:grid;gap:18px}
.ac-field{display:flex;flex-direction:column;gap:7px}
.ac-field label{font-weight:600;font-size:.95rem}
.ac-field .hint{font-size:.8rem;color:var(--c-muted)}
.ac-input,.ac-select{width:100%;padding:13px 15px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  font-size:1rem;font-family:inherit;background:#fff;color:var(--c-text);transition:var(--t);min-height:48px}
.ac-input:focus,.ac-select:focus{border-color:var(--c-brand-2);box-shadow:0 0 0 3px rgba(31,92,158,.15);outline:none}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.result-box{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px}
.result-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--c-line);font-size:.98rem}
.result-row:last-child{border-bottom:none}
.result-row.total{font-size:1.25rem;font-weight:800;color:var(--c-brand);border-top:2px solid var(--c-line);margin-top:6px;padding-top:16px}
.result-row .v{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- Article typography ---------- */
.ac-article{max-width:var(--readw);margin-inline:auto}
.ac-article h2{font-family:var(--font-serif);font-size:1.62rem;color:var(--c-ink);line-height:1.4;
  margin:52px 0 18px;padding-top:10px;letter-spacing:-.015em;position:relative}
.ac-article h2::before{content:"";display:block;width:46px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-brand),var(--c-accent));margin-bottom:16px}
.ac-article h3{font-size:1.24rem;color:var(--c-brand);margin:34px 0 12px}
.ac-article p{margin:0 0 18px}
.ac-article ul,.ac-article ol{margin:0 0 20px;padding-left:1.3em}
.ac-article li{margin:8px 0}
.ac-article a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:#b9cbe0}
.ac-article strong{color:var(--c-ink)}
.ac-figure{margin:28px 0}
.ac-figure img{border-radius:var(--r-md);box-shadow:var(--shadow-sm);width:100%}
.ac-figure figcaption{font-size:.85rem;color:var(--c-muted);text-align:center;margin-top:10px}

/* summary box */
.ac-summary{background:linear-gradient(180deg,#fbfcfe,var(--c-surface));border:1px solid var(--c-line);
  border-left:5px solid var(--c-brand);border-radius:var(--r-md);padding:22px 26px;margin:0 0 34px}
.ac-summary h4{margin:0 0 12px;font-size:1.02rem;color:var(--c-brand);display:flex;align-items:center;gap:9px}
.ac-summary ul{margin:0;padding-left:1.1em}
.ac-summary li{margin:6px 0;font-size:.97rem;color:var(--c-text)}

/* callout */
.ac-callout{background:var(--c-accent-soft);border:1px solid #e7d5ac;border-radius:var(--r-md);
  padding:18px 22px;margin:26px 0;color:#5a4519;font-size:.98rem}
.ac-callout strong{color:#6b501c}
blockquote.ac-quote{margin:26px 0;padding:18px 26px;border-left:4px solid var(--c-accent);
  background:var(--c-surface);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-ink);font-size:1.05rem;font-style:normal}

/* tables */
.ac-table-wrap{overflow-x:auto;margin:24px 0;border-radius:var(--r-md);border:1px solid var(--c-line);box-shadow:var(--shadow-sm)}
table.ac-table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:440px;background:#fff}
table.ac-table caption{caption-side:top;text-align:left;font-weight:700;color:var(--c-ink);padding:14px 16px 4px;font-size:.98rem}
table.ac-table thead th{background:var(--c-brand);color:#fff;font-weight:700;padding:12px 15px;text-align:left;white-space:nowrap}
table.ac-table th,table.ac-table td{padding:12px 15px;border-bottom:1px solid var(--c-line);vertical-align:top}
table.ac-table tbody tr:nth-child(even){background:var(--c-surface)}
table.ac-table tbody tr:last-child td{border-bottom:none}

/* inline CSS chart: horizontal bars */
.ac-chart{margin:26px 0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--shadow-sm)}
.ac-chart h4{margin:0 0 16px;font-size:1rem;color:var(--c-ink)}
.ac-bar{display:grid;grid-template-columns:130px 1fr;align-items:center;gap:14px;margin:12px 0}
.ac-bar .lbl{font-size:.86rem;color:var(--c-muted)}
.ac-bar .track{background:var(--c-surface-2);border-radius:var(--r-pill);height:22px;overflow:hidden;position:relative}
.ac-bar .fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-brand-2),var(--c-brand));
  display:flex;align-items:center;justify-content:flex-end;padding-right:10px;color:#fff;font-size:.75rem;font-weight:700;min-width:2ch}
.ac-bar .fill.g2{background:linear-gradient(90deg,#caa457,var(--c-accent))}

/* steps timeline */
.ac-steps{counter-reset:st;display:grid;gap:0;margin:26px 0}
.ac-steps .st{position:relative;padding:0 0 26px 46px;border-left:2px solid var(--c-line);margin-left:14px}
.ac-steps .st:last-child{border-left-color:transparent;padding-bottom:0}
.ac-steps .st::before{counter-increment:st;content:counter(st);position:absolute;left:-16px;top:-2px;width:30px;height:30px;
  border-radius:50%;background:var(--c-brand);color:#fff;font-weight:700;font-size:.85rem;display:grid;place-items:center;box-shadow:0 0 0 4px #fff}
.ac-steps .st b{display:block;color:var(--c-ink);margin-bottom:3px}
.ac-steps .st span{color:var(--c-muted);font-size:.93rem}

/* TOC */
.ac-toc{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 24px;margin:0 0 34px}
.ac-toc b{display:block;color:var(--c-ink);margin-bottom:10px;font-size:.95rem}
.ac-toc ol{margin:0;padding-left:1.3em;columns:2;column-gap:28px}
.ac-toc a{color:var(--c-text);font-size:.92rem}
.ac-toc a:hover{color:var(--c-brand)}

/* related */
.ac-related{margin-top:56px;padding-top:36px;border-top:1px solid var(--c-line)}
.ac-related h3{font-family:var(--font-serif);font-size:1.4rem;color:var(--c-ink);margin:0 0 22px}

/* notices */
.ai-notice{font-size:.85em;color:#8a97a5;margin-top:2em}
.legal-notice{font-size:.85em;color:#6f7c89;background:#f8f9fa;border-left:3px solid #cbd5e1;padding:14px 18px;margin-top:2em;border-radius:0 8px 8px 0}
.legal-notice p{margin:5px 0}

/* ---------- Article hero ---------- */
.post-hero{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding-block:clamp(30px,5vw,52px)}
.post-hero .crumbs{font-size:.85rem;color:var(--c-muted);margin-bottom:14px}
.post-hero .crumbs a{color:var(--c-muted)}
.post-hero .cat-pill{display:inline-block;font-size:.75rem;font-weight:700;color:var(--c-brand);background:#fff;
  border:1px solid var(--c-line);padding:6px 13px;border-radius:var(--r-pill);margin-bottom:16px}
.post-hero h1{font-family:var(--font-serif);font-size:clamp(1.8rem,3.8vw,2.7rem);color:var(--c-ink);
  line-height:1.3;margin:0;letter-spacing:-.02em}
.post-hero .meta{margin-top:16px;color:var(--c-muted);font-size:.9rem;display:flex;gap:16px;flex-wrap:wrap}
.post-cover{max-width:var(--maxw);margin:clamp(-30px,-4vw,-44px) auto 0;padding-inline:clamp(18px,5vw,32px)}
.post-cover img{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);aspect-ratio:21/9;object-fit:cover;width:100%}

/* ---------- Footer ---------- */
.ac-footer{background:var(--c-ink);color:#c3d0dd;margin-top:var(--sp-7);padding-block:var(--sp-6) var(--sp-4)}
.ac-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:var(--sp-5)}
.ac-footer .brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:1.05rem;margin-bottom:14px}
.ac-footer .brand .mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(150deg,var(--c-brand-2),#2b74c0);display:grid;place-items:center}
.ac-footer .brand .mark svg{width:20px;height:20px}
.ac-footer p{color:#9fb1c2;font-size:.9rem;line-height:1.7;margin:0 0 10px;max-width:36ch}
.ac-footer h5{color:#fff;font-size:.9rem;margin:0 0 14px;letter-spacing:.02em}
.ac-footer ul{list-style:none;margin:0;padding:0}
.ac-footer li{margin:9px 0}
.ac-footer a{color:#c3d0dd;font-size:.9rem}
.ac-footer a:hover{color:#fff}
.ac-foot-legal{margin-top:var(--sp-5);padding-top:var(--sp-3);border-top:1px solid rgba(255,255,255,.12);
  font-size:.8rem;color:#8497a8;line-height:1.7}
.ac-foot-legal .disc{background:rgba(255,255,255,.04);border-radius:var(--r-sm);padding:14px 18px;margin-bottom:16px}
.ac-foot-legal .disc p{color:#9fb1c2;margin:4px 0;max-width:none;font-size:.8rem}
.ac-foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8497a8}

/* ---------- Finance lookup ---------- */
.fin-picker{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}
.fin-chip{border:1px solid var(--c-line);background:#fff;border-radius:var(--r-pill);padding:10px 18px;
  font-weight:600;font-size:.92rem;color:var(--c-text);cursor:pointer;transition:var(--t)}
.fin-chip:hover{border-color:var(--c-brand-2);color:var(--c-brand)}
.fin-chip.active{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
.fin-result{margin-top:24px}
.fin-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:20px 0}
.fin-kpi{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--shadow-sm)}
.fin-kpi .k{font-size:.8rem;color:var(--c-muted)}
.fin-kpi .v{font-size:1.35rem;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;margin-top:6px}
.fin-kpi .sub{font-size:.78rem;color:var(--c-muted);margin-top:2px}
.fin-loading{color:var(--c-muted);padding:20px 0}

/* ---------- utilities & motion ---------- */
.center{text-align:center}
.mt-4{margin-top:var(--sp-4)}.mt-5{margin-top:var(--sp-5)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .ac-hero .acc-wrap{grid-template-columns:1fr;gap:var(--sp-4)}
  .ac-hero .hero-visual{order:-1}
  .grid-3,.cards{grid-template-columns:1fr 1fr}
  .ac-footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  body.acc{font-size:16px}
  .ac-nav{display:none}.ac-burger{display:flex}
  .ac-header .bar{height:62px}
  .grid-3,.cards,.calc-grid{grid-template-columns:1fr}
  .ac-toc ol{columns:1}
  .ac-footer .cols{grid-template-columns:1fr}
  .ac-mobile-open .ac-nav{display:flex;position:absolute;top:62px;left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--c-line);padding:12px;gap:4px;box-shadow:var(--shadow-md)}
  .ac-mobile-open .ac-nav a{width:100%}
  .post-cover img{aspect-ratio:16/10}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}