/* BillTriage site — no external requests, no tracking. */
:root {
  --ink:#1c2b2a; --dim:#5b6b6a; --brand:#0f6b5c; --brand-deep:#0a4a41; --brand-soft:#eaf4f1;
  --mint:#8ecabd; --amber:#f4a83a; --bg:#f7faf9; --card:#ffffff; --line:#e3ecea;
  --t1:#b23a2f; --t2:#c26a12; --t3:#8a6d00; --t4:#3d6b5f; --t5:#6b6b6b;
  --radius:14px; --max:1040px; --prose:720px;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color:var(--ink); background:var(--bg); line-height:1.6; font-size:17px; }
a { color:var(--brand); }
a:hover { text-decoration-thickness:2px; }
img, svg { max-width:100%; height:auto; }
:focus-visible { outline:3px solid var(--amber); outline-offset:2px; }
.skip { position:absolute; left:-999px; top:0; background:var(--ink); color:#fff; padding:8px 12px; z-index:99; }
.skip:focus { left:8px; top:8px; }

/* Header */
.site-header { background:#fff; border-bottom:1px solid var(--line); position:sticky; top:0; z-index:10; }
.site-header .wrap { max-width:var(--max); margin:0 auto; padding:10px 20px; display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.logo { display:flex; align-items:center; gap:10px; font-weight:700; font-size:1.15rem; color:var(--ink); text-decoration:none; letter-spacing:-0.01em; }
.logo svg { width:32px; height:32px; border-radius:8px; flex:none; }
.site-nav { margin-left:auto; display:flex; gap:4px; flex-wrap:wrap; }
.site-nav a { text-decoration:none; color:var(--dim); padding:8px 12px; border-radius:8px; font-weight:600; font-size:0.95rem; min-height:44px; display:inline-flex; align-items:center; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background:var(--brand-soft); color:var(--brand); }

/* Layout */
main { max-width:var(--max); margin:0 auto; padding:40px 20px 64px; }
main.prose { max-width:var(--prose); }
h1 { font-size:2.2rem; line-height:1.15; letter-spacing:-0.02em; margin-bottom:10px; }
h2 { font-size:1.45rem; letter-spacing:-0.01em; margin:40px 0 12px; line-height:1.25; }
h3 { font-size:1.1rem; margin:24px 0 8px; }
p { margin:12px 0; }
ul, ol { padding-left:24px; margin:12px 0; }
li { margin:6px 0; }
.lead { font-size:1.2rem; color:var(--dim); max-width:640px; }
.tag { color:var(--brand); font-weight:600; }
.muted { color:var(--dim); }
.small { font-size:0.9rem; }
.badge { display:inline-block; background:var(--brand-soft); color:var(--brand); border-radius:999px; padding:3px 12px; font-size:0.85rem; font-weight:600; }
.card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:20px 22px; }
.card h2, .card h3 { margin-top:0; }
.grid { display:grid; gap:16px; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr)); margin:20px 0; }
.grid .card p { color:var(--dim); margin:6px 0 0; }
.card-link { text-decoration:none; color:inherit; display:block; }
.card-link:hover { border-color:var(--mint); box-shadow:0 4px 18px rgba(15,107,92,0.08); }
.card-link h3 { color:var(--brand); }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:48px; padding:10px 22px; border-radius:10px; font-weight:700; text-decoration:none; border:2px solid var(--brand); cursor:pointer; font-size:1rem; font-family:inherit; }
.btn-primary { background:var(--brand); color:#fff; }
.btn-primary:hover { background:var(--brand-deep); border-color:var(--brand-deep); }
.btn-ghost { background:#fff; color:var(--brand); }
.btn-ghost:hover { background:var(--brand-soft); }
.btn-small { min-height:40px; padding:6px 14px; font-size:0.9rem; }
.btn-danger { border-color:#d9d9d9; color:var(--dim); background:#fff; }
.note { background:#fff8ea; border:1px solid #f1dcb3; border-left:4px solid var(--amber); border-radius:10px; padding:14px 18px; margin:20px 0; }
.note-calm { background:var(--brand-soft); border:1px solid #cfe3dd; border-left:4px solid var(--brand); border-radius:10px; padding:14px 18px; margin:20px 0; }
.disclaimer { color:var(--dim); font-size:0.9rem; border-top:1px solid var(--line); padding-top:14px; margin-top:32px; }
hr { border:0; border-top:1px solid var(--line); margin:32px 0; }

/* Hero */
.hero { display:grid; grid-template-columns:1.15fr 0.85fr; gap:32px; align-items:center; padding:24px 0 8px; }
.hero h1 { font-size:2.6rem; }
.hero .actions { display:flex; gap:12px; flex-wrap:wrap; margin:22px 0 10px; }
.hero-art { background:linear-gradient(135deg,#128069,#0a4a41); border-radius:20px; padding:28px; display:flex; align-items:center; justify-content:center; }
.hero-art svg { width:100%; max-width:320px; height:auto; }
.trust { display:flex; gap:10px 18px; flex-wrap:wrap; color:var(--dim); font-size:0.92rem; margin-top:8px; }
.trust span::before { content:"\2713  "; color:var(--brand); font-weight:700; }
@media (max-width: 760px) { .hero { grid-template-columns:1fr; } .hero h1 { font-size:2.1rem; } h1 { font-size:1.9rem; } body { font-size:16px; } }

/* Tier list */
.tiers { list-style:none; padding:0; margin:20px 0; counter-reset:tier; }
.tiers li { background:#fff; border:1px solid var(--line); border-radius:12px; padding:14px 16px 14px 60px; margin:10px 0; position:relative; }
.tiers li::before { counter-increment:tier; content:counter(tier); position:absolute; left:14px; top:12px; width:34px; height:34px; border-radius:50%; background:var(--brand); color:#fff; font-weight:700; display:flex; align-items:center; justify-content:center; }
.tiers li strong { display:block; }
.tiers li span { color:var(--dim); font-size:0.95rem; }

/* Steps */
.steps { display:grid; gap:16px; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); margin:20px 0; counter-reset:step; }
.steps .card { position:relative; padding-top:52px; }
.steps .card::before { counter-increment:step; content:counter(step); position:absolute; left:20px; top:16px; width:28px; height:28px; border-radius:50%; background:var(--amber); color:#1c2b2a; font-weight:700; font-size:0.9rem; display:flex; align-items:center; justify-content:center; }

/* FAQ */
details { background:#fff; border:1px solid var(--line); border-radius:12px; padding:4px 18px; margin:10px 0; }
summary { cursor:pointer; font-weight:600; padding:12px 0; min-height:44px; display:flex; align-items:center; }
details p { color:var(--dim); margin:0 0 14px; }

/* Forms / tools */
form.tool { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:20px 22px; margin:20px 0; }
fieldset { border:0; padding:0; margin:0 0 18px; min-width:0; }
legend { font-weight:700; font-size:1.05rem; margin-bottom:10px; }
label { display:block; font-weight:600; font-size:0.95rem; margin:10px 0 4px; }
label .hint { display:block; font-weight:400; color:var(--dim); font-size:0.88rem; }
input[type=text], input[type=number], input[type=date], select { width:100%; font:inherit; padding:10px 12px; border:1px solid #c9d6d3; border-radius:8px; background:#fff; color:var(--ink); min-height:44px; }
input:invalid { border-color:#d9a7a1; }
.row { display:grid; gap:12px; grid-template-columns:repeat(auto-fit, minmax(150px, 1fr)); }
.bill-row { border:1px solid var(--line); border-radius:12px; padding:14px 16px; margin:12px 0; background:#fbfdfc; }
.bill-row .row { grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); }
.bill-row .tools { display:flex; justify-content:flex-end; margin-top:8px; }
.actions-bar { display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; }
.result { margin-top:24px; }
.result-list { list-style:none; padding:0; }
.result-list li { background:#fff; border:1px solid var(--line); border-radius:12px; padding:14px 16px; margin:10px 0; border-left:6px solid var(--t4); }
.result-list li.t1 { border-left-color:var(--t1); } .result-list li.t2 { border-left-color:var(--t2); }
.result-list li.t3 { border-left-color:var(--t3); } .result-list li.t5 { border-left-color:var(--t5); }
.result-list .head { display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; align-items:baseline; }
.result-list .head strong { font-size:1.05rem; }
.result-list .amt { font-variant-numeric:tabular-nums; font-weight:700; }
.result-list .why { color:var(--dim); font-size:0.95rem; margin:4px 0 0; }
.pill { display:inline-block; border-radius:999px; padding:1px 10px; font-size:0.8rem; font-weight:700; margin-right:6px; vertical-align:middle; }
.pill.t1 { background:#f8e1de; color:var(--t1); } .pill.t2 { background:#fbe8d3; color:var(--t2); }
.pill.t3 { background:#f6efcf; color:var(--t3); } .pill.t4 { background:var(--brand-soft); color:var(--t4); } .pill.t5 { background:#ececec; color:var(--t5); }
.pill.ok { background:#dff3e9; color:#1d6b45; } .pill.no { background:#f8e1de; color:var(--t1); } .pill.part { background:#fbe8d3; color:var(--t2); }
.stat { display:grid; gap:12px; grid-template-columns:repeat(auto-fit, minmax(160px, 1fr)); margin:16px 0; }
.stat div { background:#fff; border:1px solid var(--line); border-radius:12px; padding:12px 14px; }
.stat b { display:block; font-size:1.5rem; letter-spacing:-0.01em; font-variant-numeric:tabular-nums; }
.stat span { color:var(--dim); font-size:0.88rem; }
.bar { height:12px; background:#e6eeec; border-radius:999px; overflow:hidden; margin:8px 0; }
.bar i { display:block; height:100%; background:var(--brand); }
table { width:100%; border-collapse:collapse; margin:14px 0; font-size:0.95rem; }
th, td { text-align:left; padding:8px 10px; border-bottom:1px solid var(--line); vertical-align:top; }
th { font-size:0.85rem; color:var(--dim); text-transform:uppercase; letter-spacing:0.03em; }
td.num, th.num { text-align:right; font-variant-numeric:tabular-nums; }
.table-wrap { overflow-x:auto; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }

/* Article */
article header { margin-bottom:24px; }
article .meta { color:var(--dim); font-size:0.9rem; }
article h2 { margin-top:36px; }
.toc { background:#fff; border:1px solid var(--line); border-radius:12px; padding:14px 20px; margin:20px 0; }
.toc ol { margin:6px 0 0; }
.script { background:#fff; border:1px dashed #b9cfc9; border-radius:10px; padding:12px 16px; margin:12px 0; font-style:italic; }
.app-cta { background:linear-gradient(135deg,#128069,#0a4a41); color:#fff; border-radius:16px; padding:22px 24px; margin:36px 0 0; }
.app-cta h2 { color:#fff; margin:0 0 6px; font-size:1.3rem; }
.app-cta p { color:#d3ece5; margin:0 0 14px; }
.app-cta .btn { border-color:#fff; background:#fff; color:var(--brand-deep); }
.breadcrumb { font-size:0.9rem; color:var(--dim); margin-bottom:16px; }
.breadcrumb a { color:var(--dim); }

/* Footer */
.site-footer { border-top:1px solid var(--line); background:#fff; }
.site-footer .wrap { max-width:var(--max); margin:0 auto; padding:28px 20px 40px; display:grid; gap:20px; grid-template-columns:repeat(auto-fit, minmax(200px, 1fr)); color:var(--dim); font-size:0.92rem; }
.site-footer h4 { font-size:0.85rem; text-transform:uppercase; letter-spacing:0.05em; color:var(--ink); margin-bottom:8px; }
.site-footer ul { list-style:none; padding:0; margin:0; }
.site-footer li { margin:4px 0; }
.site-footer a { color:var(--dim); }
.site-footer .legal { grid-column:1 / -1; border-top:1px solid var(--line); padding-top:14px; font-size:0.85rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior:auto; } }
@media print { .site-header, .site-footer, .app-cta { display:none; } }