/* Demijohn site. Tokens from packages/design_system/lib/src/palette.dart: "Cellar door" (cream
   label paper, iron-gall ink, demijohn-glass green, honey) by day, "Cellar" (warm dark ground,
   honey that does not glare) in dark mode, and a high-contrast set (every text pair ≥ 7:1).
   Young Serif for headings and big numbers (lining figures), Atkinson Hyperlegible Next for
   everything people read. Self-hosted WOFF2 subsets (OFL licences beside them). No external
   requests. Status is never colour alone: icon + word + colour. Touch targets ≥ 48 px. */

@font-face { font-family: "Atkinson"; src: url(fonts/AtkinsonHyperlegibleNext.woff2) format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Young Serif"; src: url(fonts/YoungSerif.woff2) format("woff2"); font-weight: 400; font-display: swap; }

:root{
  --bg:#EDE8D8;
  --surface:#FAF7EE;
  --surface2:#E3DDCB;
  --line:#D3CCB7;
  --text:#1C201B;
  --text2:#454A40;
  --text3:#585C51;
  --accent:#2D6542;
  --on-accent:#FFFFFF;
  --accent-soft:#DCE8DA;
  --honey:#825A05;
  --honey-soft:#F1E2BC;
  --oak:#6E4A2A;
  --ok:#3B641C;
  --ok-soft:#E0EAD0;
  --near:#92380C;
  --near-soft:#F6E0C9;
  --out:#9A2236;
  --out-soft:#F5DADC;
  --slate:#2A2D26;
  --chalk:#F2EEDF;
  --line-w:1px;
  --radius:14px;
  --serif:"Young Serif", Georgia, "Times New Roman", serif;
  --sans:"Atkinson", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#13120D;
    --surface:#1C1A14;
    --surface2:#26231B;
    --line:#38342A;
    --text:#EFE8D6;
    --text2:#C9BFA8;
    --text3:#A79D86;
    --accent:#93C9A0;
    --on-accent:#0D1A11;
    --accent-soft:#1F2E23;
    --honey:#E2B25A;
    --honey-soft:#3A2F17;
    --oak:#CFA27A;
    --ok:#B0D483;
    --ok-soft:#26301A;
    --near:#F59C70;
    --near-soft:#3D2A19;
    --out:#F4919E;
    --out-soft:#3F1E23;
    --slate:#3A3529;
    --chalk:#F2EBD8;
  }
}
@media (prefers-contrast:more){
  :root{
    --bg:#FFFFFF;
    --surface:#FFFFFF;
    --surface2:#F0EEE6;
    --line:#000000;
    --text:#000000;
    --text2:#1A1A1A;
    --text3:#2A2A2A;
    --accent:#0B4422;
    --on-accent:#FFFFFF;
    --accent-soft:#E3EEE4;
    --honey:#563D00;
    --honey-soft:#F7EED7;
    --oak:#46290F;
    --ok:#22440A;
    --ok-soft:#E7F0DC;
    --near:#6A2200;
    --near-soft:#F9E9DA;
    --out:#6B0E1D;
    --out-soft:#F9E3E5;
    --slate:#000000;
    --chalk:#FFFFFF;
    --line-w:2px;
  }
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);overflow-wrap:break-word;font:400 1.125rem/1.6 var(--sans);font-variant-numeric:tabular-nums}
img,svg{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--honey);outline-offset:2px;border-radius:4px}
h1,h2,h3,.h3{font-family:var(--serif);font-weight:400;line-height:1.15;hyphens:auto;overflow-wrap:break-word;color:var(--text);font-variant-numeric:lining-nums;text-wrap:balance}
h1{font-size:clamp(2rem,1.4rem + 2.6vw,3.1rem);margin:.2em 0 .35em;letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,1.25rem + 1vw,2rem);margin:1.6em 0 .5em}
h3,.h3{font-size:1.3rem;margin:1.3em 0 .4em}
p{margin:0 0 1em}
ul,ol{padding-left:1.3em}
li{margin:.25em 0}
small,.small{font-size:.95rem}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
@media (min-width:720px){.wrap{padding:0 28px}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:var(--accent);color:var(--on-accent);padding:12px 16px;border-radius:10px;z-index:9;font-weight:700}
.skip:focus{top:12px}
main{display:block;padding-bottom:48px}
main:focus{outline:none}
.gap-top{margin-top:48px}
.narrow{max-width:62ch}
.lead{font-size:1.25rem;color:var(--text2);max-width:62ch}
.muted{color:var(--text2)}
.note{color:var(--text2);font-size:1rem}

/* header */
.top{background:var(--bg);border-bottom:var(--line-w) solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:8px 18px;min-height:64px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;font:400 1.45rem/1 var(--serif);color:var(--text);text-decoration:none;min-height:48px;margin-right:auto}
.brand img{width:32px;height:32px;border-radius:8px}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{display:inline-flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;color:var(--text);text-decoration:none;font-weight:600}
nav.main a:hover{background:var(--surface2)}
nav.main a[aria-current]{background:var(--accent-soft);color:var(--text)}
.langpick{position:relative}
.langpick summary{list-style:none;display:inline-flex;align-items:center;gap:6px;min-height:48px;min-width:48px;padding:0 12px;border-radius:10px;cursor:pointer;font-weight:700;color:var(--text)}
.langpick summary::-webkit-details-marker{display:none}
.langpick summary svg{width:20px;height:20px}
.langpick summary:hover{background:var(--surface2)}
.langpick nav{position:absolute;right:0;top:100%;z-index:5;background:var(--surface);border:var(--line-w) solid var(--line);border-radius:12px;padding:6px;min-width:190px;box-shadow:0 12px 32px rgb(0 0 0 / .18)}
.langpick nav a{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:8px;color:var(--text);text-decoration:none}
.langpick nav a:hover{background:var(--surface2)}
.langpick nav a[aria-current]{font-weight:700;background:var(--accent-soft)}
@media (max-width:560px){nav.main{order:3;width:100%;margin:0 -12px}}

/* hero */
.hero{display:grid;gap:32px;align-items:center;padding:40px 0 8px}
@media (min-width:900px){.hero{grid-template-columns:1.15fr .85fr;padding-top:64px}}
.eyebrow{display:inline-block;font-weight:700;color:var(--honey);letter-spacing:.04em;text-transform:uppercase;font-size:.9rem;margin:0}
.promise{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px 20px;margin:18px 0 0}
.promise li{display:flex;align-items:center;gap:8px;font-weight:600;margin:0}
.promise svg,.ticks svg{width:20px;height:20px;flex:none;color:var(--ok)}

/* store badges */
.stores{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 4px}
.store{display:inline-flex;flex-direction:column;justify-content:center;min-height:56px;min-width:168px;padding:6px 18px;border-radius:12px;background:var(--slate);color:var(--chalk);text-decoration:none;line-height:1.15}
.store small{font-size:.8rem;opacity:.9}
.store b{font-size:1.15rem}
.store.soon{background:transparent;color:var(--text);border:2px dashed var(--line)}
@media (prefers-contrast:more){.store.soon{border-color:var(--text)}}
a.store.soon:hover{border-color:var(--accent)}
.price{font-weight:700;color:var(--honey);margin:6px 0 0}

/* cards */
.card{background:var(--surface);border:var(--line-w) solid var(--line);border-radius:var(--radius);padding:22px}
.features{display:grid;gap:16px}
@media (min-width:700px){.features{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.features{grid-template-columns:repeat(3,1fr)}}
.feature h3{margin:.5em 0 .3em}
.feature p{margin:0;color:var(--text2)}
.ficon{display:inline-flex;width:44px;height:44px;border-radius:12px;background:var(--honey-soft);color:var(--honey);align-items:center;justify-content:center}
.ficon svg{width:24px;height:24px}
.tiers,.split{display:grid;gap:16px}
@media (min-width:800px){.tiers,.split{grid-template-columns:1fr 1fr}}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{display:flex;gap:10px;align-items:flex-start;margin:.45em 0}
.ticks svg{margin-top:4px}
.pro{border-color:var(--accent)}
.pro-note{margin:14px 0 0;color:var(--text2)}

/* specimen: a batch card the way the app draws it */
.specimen{margin:0;padding:20px}
.sp-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}
.sp-day{background:var(--slate);color:var(--chalk);font:400 1.05rem/1 var(--serif);padding:8px 12px;border-radius:8px}
.sp-name{font:400 1.35rem/1.2 var(--serif)}
.sp-stage{color:var(--text2);font-weight:600}
.sp-chart{display:block;width:100%;margin:14px 0 6px;background:var(--surface2);border-radius:10px}
.sp-chart .band{fill:var(--accent-soft)}
.sp-chart .curve{fill:none;stroke:var(--honey);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.sp-chart .dot{fill:var(--honey);stroke:var(--surface);stroke-width:2}
.sp-nums{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 16px;margin:10px 0}
.sp-nums div{margin:0}
.sp-nums dt{color:var(--text2);font-size:.95rem}
.sp-nums dd{margin:0;font:400 1.6rem/1.1 var(--serif);font-variant-numeric:lining-nums tabular-nums}
.sp-nums small{font:600 .95rem var(--sans);color:var(--text2)}
.sp-next{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:6px 0 4px;font-weight:600}
.tag{background:var(--accent-soft);color:var(--text);border-radius:6px;padding:2px 8px;font-size:.9rem}
.specimen figcaption{color:var(--text2);font-size:.92rem;margin-top:6px}

/* calculator cards and next links */
.calc-cards{list-style:none;padding:0;margin:0;display:grid;gap:14px}
@media (min-width:700px){.calc-cards{grid-template-columns:repeat(2,1fr)}}
.calc-cards li{margin:0}
.calc-card{display:flex;flex-direction:column;gap:6px;height:100%;text-decoration:none;color:var(--text);min-height:48px}
.calc-card:hover{border-color:var(--accent)}
.cc-h{display:flex;align-items:center;gap:8px;font:400 1.3rem/1.2 var(--serif);color:var(--text)}
.cc-h svg{width:20px;height:20px;color:var(--accent);flex:none}
.cc-p{color:var(--text2)}
.next{margin:32px 0 0}
.next-h{font-weight:700;margin:0 0 6px}
.next ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.next li{margin:0}
.next a{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 16px;border-radius:999px;border:var(--line-w) solid var(--line);background:var(--surface);text-decoration:none;color:var(--text);font-weight:600}
.next a svg{width:18px;height:18px;color:var(--accent)}
.next a:hover{border-color:var(--accent)}
.crumb{margin:28px 0 0;color:var(--text2)}
.crumb a{display:inline-block;padding:12px 0;color:var(--text2)}
.also-in{display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px;margin:40px 0 0;padding-top:16px;border-top:var(--line-w) solid var(--line);color:var(--text2)}
.also-in a{display:inline-flex;align-items:center;min-height:48px}

/* calculators */
.calc{display:grid;gap:20px;margin-top:20px}
@media (min-width:900px){.calc{grid-template-columns:1fr 1fr;align-items:start}.calc .results{position:sticky;top:16px}}
.panel{background:var(--surface);border:var(--line-w) solid var(--line);border-radius:var(--radius);padding:20px}
.field{margin:0 0 18px}
.field label,legend{display:block;font-weight:700;margin:0 0 6px}
.field input,.field select,.joined select{font:inherit;color:var(--text);background:var(--surface2);border:2px solid var(--text3);border-radius:10px;min-height:52px;padding:8px 12px;width:100%}
.field input{font-size:1.3rem;font-variant-numeric:tabular-nums}
.joined{display:flex;gap:8px}
.joined input{flex:1 1 auto;min-width:0}
.joined select{flex:0 0 auto;width:auto;max-width:48%}
.field input[aria-invalid]{border-color:var(--out)}
.hint{display:block;color:var(--text2);font-size:.98rem;margin-top:4px}
.err{display:block;color:var(--out);font-weight:700;margin-top:4px}
.err::before{content:"✕ ";font-weight:700}
.field-row.two{display:grid;gap:0 14px}
@media (min-width:520px){.field-row.two{grid-template-columns:1fr 1fr}}
fieldset.choice{border:0;padding:0;margin:0 0 18px;min-width:0}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{position:relative;display:inline-flex}
.pill input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.pill span{display:inline-flex;align-items:center;min-height:48px;padding:0 16px;border-radius:999px;border:2px solid var(--line);background:var(--surface2);font-weight:600}
.pill input:checked+span{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.pill input:checked+span::before{content:"✓";margin-right:6px}
.pill input:focus-visible+span{outline:3px solid var(--honey);outline-offset:2px}
details.more{border-top:var(--line-w) solid var(--line);padding-top:4px;margin-top:4px}
details.more summary,details.faq summary{cursor:pointer;min-height:48px;display:flex;align-items:center;font-weight:700;color:var(--accent)}
details.more[open] summary{margin-bottom:10px}
.res-card{min-height:120px}
.res-card h3{margin-top:0;font:700 1rem/1.3 var(--sans);text-transform:uppercase;letter-spacing:.05em;color:var(--text2)}
.res-card h3+.big,.res-card .big{font:400 clamp(2.2rem,1.6rem + 2vw,3rem)/1.1 var(--serif);margin:.1em 0 .25em;font-variant-numeric:lining-nums tabular-nums}
.res-what{color:var(--text2)}
.kv{list-style:none;padding:0;margin:8px 0 14px}
.kv li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;margin:0;border-bottom:var(--line-w) solid var(--line)}
.kv li span{color:var(--text2)}
.kv li b{text-align:right}
.big-kv b{font:400 1.45rem/1.2 var(--serif);font-variant-numeric:lining-nums tabular-nums}
.flag{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:10px;margin:10px 0}
.flag svg{width:22px;height:22px;flex:none;margin-top:2px}
.flag.warn{background:var(--near-soft);color:var(--text)}
.flag.warn svg,.flag.warn .flag-word{color:var(--near)}
.flag.stop{background:var(--out-soft);color:var(--text)}
.flag.stop svg,.flag.stop .flag-word{color:var(--out)}
.flag.info{background:var(--surface2);color:var(--text)}
.flag.info svg,.flag.info .flag-word{color:var(--accent)}
.flag.good{background:var(--ok-soft);color:var(--text)}
.flag.good svg,.flag.good .flag-word{color:var(--ok)}
.how{border-left:3px solid var(--honey);padding:4px 0 4px 14px;margin:16px 0 8px;font-size:1rem}
.how-h{font-weight:700;margin-bottom:4px}
.how p{margin:0 0 .4em;color:var(--text2)}
.src{font-size:.95rem;color:var(--text2)}
.src span{font-weight:700}
.safety{font-weight:700;margin:12px 0 0;padding-top:10px;border-top:var(--line-w) solid var(--line)}
.calc.embedded{margin:24px 0 32px}

/* prose pages */
.prose{max-width:760px}
.wrap.prose{margin-top:24px}
.prose h1{margin-top:.4em}
.updated{color:var(--text2);font-size:1rem}
.callout{background:var(--honey-soft);border-radius:12px;padding:14px 18px;color:var(--text)}
.callout p{margin:0}
.toc{background:var(--surface);border:var(--line-w) solid var(--line);border-radius:12px;padding:14px 18px;margin:20px 0}
.toc-h{font-weight:700;margin:0 0 4px}
.toc ol{margin:0}
.toc a{display:inline-block;padding:6px 0}
.sources{font-size:1rem;color:var(--text2)}
.sources li{margin:.5em 0}
.faq{background:var(--surface);border:var(--line-w) solid var(--line);border-radius:12px;padding:4px 18px;margin:10px 0}
.faq[open]{padding-bottom:12px}
.app-note{margin-top:32px}
.app-note h2{margin-top:0}
.link-list{list-style:none;padding:0}
.link-list a{display:inline-flex;align-items:center;min-height:48px}
.table-wrap{overflow-x:auto;border:var(--line-w) solid var(--line);border-radius:12px;background:var(--surface)}
.num-table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:1rem}
.num-table th,.num-table td{padding:8px 12px;text-align:right;border-bottom:var(--line-w) solid var(--line);white-space:nowrap}
.num-table thead th{background:var(--surface2);position:sticky;top:0}
.num-table th:first-child,.num-table td:first-child{text-align:left}
.num-table tbody tr:nth-child(4n+1)>*{background:var(--surface2)}

/* footer */
footer{border-top:var(--line-w) solid var(--line);padding:28px 0 40px;color:var(--text2);font-size:1rem}
footer .disclaimer{font-weight:700;color:var(--text)}
footer nav{display:flex;flex-wrap:wrap;gap:0 18px}
footer nav a{display:inline-flex;align-items:center;min-height:48px;color:var(--text2)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
@media print{
  .top,footer,.calc,.next,.app-note,.also-in,.crumb,.skip{display:none}
  body{background:#fff;color:#000;font-size:11pt}
  .table-wrap{border:0;overflow:visible}
  .num-table thead th{position:static}
}
.calc.embedded .big-kv b{font-size:1.2rem}