/* Layout: sticky bench-bar nav; one view visible at a time (home, calculators, blog, post, shop); plate motif repeats as section markers */
:root{
  --bg:#F2F5F1; --surface:#FFFFFF; --ink:#16211D; --muted:#56655F; --line:#D3DCD6;
  --agar:#B97A22; --agar-ink:#7A4E10; --agar-soft:#F4E6CB; --myc:#E6ECE4; --ok:#2F7A55;
  --f-display:"Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --f-ui:"IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-read:"Source Serif 4", Georgia, "Times New Roman", serif;
  --f-mono:"IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0F1513; --surface:#161F1C; --ink:#E4EBE6; --muted:#97A69F; --line:#2B3833;
  --agar:#E2A64C; --agar-ink:#F1C27D; --agar-soft:#33291A; --myc:#1C2723; --ok:#5DBB8A; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F1513; --surface:#161F1C; --ink:#E4EBE6; --muted:#97A69F; --line:#2B3833;
  --agar:#E2A64C; --agar-ink:#F1C27D; --agar-soft:#33291A; --myc:#1C2723; --ok:#5DBB8A; color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font:400 15px/1.55 var(--f-ui);margin:0}
a{color:var(--agar-ink)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--agar);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);line-height:1.08;text-wrap:balance;margin:0}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
.eyebrow{font:500 12px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--agar-ink)}
.muted{color:var(--muted)}
.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

/* nav */
header.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font:800 20px/1 var(--f-display);letter-spacing:-.02em}
.logo svg{flex:none}
nav.tabs{display:flex;gap:4px;flex-wrap:wrap}
nav.tabs a{font:500 14px/1 var(--f-ui);text-decoration:none;color:var(--muted);padding:9px 12px;border-radius:999px}
nav.tabs a:hover{color:var(--ink);background:var(--myc)}
nav.tabs a[aria-current="page"]{color:var(--ink);background:var(--agar-soft)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px/1 var(--f-ui);padding:13px 18px;border-radius:999px;border:1.5px solid var(--ink);color:var(--ink);background:transparent;text-decoration:none;cursor:pointer}
.btn.primary{background:var(--ink);color:var(--bg)}
.btn:hover{transform:translateY(-1px)}
@media (prefers-reduced-motion:reduce){.btn:hover{transform:none}}

/* hero */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-block:56px 40px}
.hero h1{font-size:clamp(38px,6vw,72px);font-weight:800;letter-spacing:-.035em}
.hero h1 em{font-style:normal;color:var(--agar)}
.hero p.lede{font-size:18px;max-width:52ch;color:var(--muted);margin:18px 0 26px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.plate{width:100%;max-width:420px;aspect-ratio:1;justify-self:center}
.proof{display:flex;gap:28px;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
.proof div{display:flex;flex-direction:column;gap:2px}
.proof b{font:700 22px/1 var(--f-display)}
.proof span{font-size:13px;color:var(--muted)}

section.block{padding-block:44px;border-top:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.02em;margin-top:8px}

/* tool tiles */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tile{display:flex;flex-direction:column;gap:8px;padding:18px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);text-decoration:none;color:var(--ink);min-width:0}
.tile:hover{border-color:var(--agar)}
.tile h3{font-size:19px}
.tile p{margin:0;font-size:14px;color:var(--muted)}
.tile .unit{margin-top:auto;font:500 12px/1 var(--f-mono);color:var(--agar-ink)}

/* calculators */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden;margin-bottom:22px;scroll-margin-top:90px}
.calc .in{padding:24px;display:flex;flex-direction:column;gap:14px;min-width:0}
.calc .out{padding:24px;background:var(--myc);border-left:1px solid var(--line);display:flex;flex-direction:column;gap:12px;min-width:0}
.calc h3{font-size:24px;letter-spacing:-.01em}
.calc .desc{margin:0;color:var(--muted);font-size:14px;max-width:60ch}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field label{font:500 13px/1.2 var(--f-ui);color:var(--muted)}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:12px}
input,select{font:500 15px/1.2 var(--f-mono);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 11px;width:100%;min-width:0}
.result{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding-block:9px;border-bottom:1px dashed var(--line)}
.result:last-of-type{border-bottom:0}
.result span{font-size:14px;color:var(--muted)}
.result b{font:500 20px/1.1 var(--f-mono);font-variant-numeric:tabular-nums;text-align:right}
.result b small{font-size:13px;color:var(--muted);font-weight:400}
.big{font:700 44px/1 var(--f-display);color:var(--agar-ink)}
.note{font-size:13px;color:var(--muted);margin:4px 0 0;line-height:1.5}
.pill{display:inline-block;font:500 12px/1 var(--f-mono);padding:6px 9px;border-radius:999px;background:var(--agar-soft);color:var(--agar-ink)}
.crosslink{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:14px}

/* blog */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.post-card{display:flex;flex-direction:column;gap:10px;padding:20px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);text-decoration:none;color:var(--ink);min-width:0}
.post-card:hover{border-color:var(--agar)}
.post-card h3{font-size:22px;letter-spacing:-.01em}
.post-card p{margin:0;color:var(--muted);font-size:14px}
.post-card .meta{margin-top:auto;font:500 12px/1 var(--f-mono);color:var(--muted)}
article.post{max-width:680px;margin:0 auto;padding-block:40px 60px}
article.post h1{font-size:clamp(32px,5vw,50px);letter-spacing:-.03em;margin:12px 0 10px}
article.post .meta{font:500 13px/1 var(--f-mono);color:var(--muted);margin-bottom:28px}
article.post .body{font:400 19px/1.65 var(--f-read)}
article.post .body h2{font-size:26px;margin:36px 0 10px;letter-spacing:-.01em}
article.post .body p{margin:0 0 18px}
article.post .body ol,article.post .body ul{padding-left:1.3em;margin:0 0 18px}
article.post .body li{margin-bottom:8px}
.callout{font:400 15px/1.5 var(--f-ui);background:var(--agar-soft);border-radius:var(--r);padding:16px 18px;margin:26px 0;display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.callout b{font-family:var(--f-display);font-size:17px}
.back{font:500 14px/1 var(--f-ui);text-decoration:none}

/* shop */
.products{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.product{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.product .art{background:var(--myc);border-radius:var(--r);display:grid;place-items:center;aspect-ratio:1;max-width:100%}
.product .art svg{width:80%;height:auto}
.product h3{font-size:21px;letter-spacing:-.01em}
.product .price{font:500 20px/1 var(--f-mono);color:var(--agar-ink);margin:8px 0}
.product p{margin:0 0 14px;font-size:14px;color:var(--muted)}
.product .btn{padding:10px 14px;font-size:14px}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.reviews figure{margin:0;padding:18px;border-top:2px solid var(--agar)}
.reviews blockquote{margin:0 0 10px;font:400 17px/1.5 var(--f-read)}
.reviews figcaption{font:500 12px/1.3 var(--f-mono);color:var(--muted)}
.stars{color:var(--agar);letter-spacing:2px}

/* signup + footer */
.signup{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:var(--ink);color:var(--bg);border-radius:16px;padding:32px}
.signup h2{font-size:clamp(24px,3vw,34px)}
.signup p{margin:10px 0 0;opacity:.8;max-width:48ch}
.signup form{display:flex;gap:10px;flex-wrap:wrap}
.signup input{flex:1 1 200px;background:transparent;color:var(--bg);border-color:color-mix(in srgb,var(--bg) 40%,transparent)}
.signup input::placeholder{color:color-mix(in srgb,var(--bg) 60%,transparent)}
.signup .btn{border-color:var(--agar);background:var(--agar);color:#1A1206}
.signup .msg{flex-basis:100%;font-size:13px;opacity:.85;margin:0}
footer{padding-block:36px 48px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-block:36px 24px}
  .plate{max-width:300px;order:-1}
  .tiles{grid-template-columns:repeat(2,1fr)}
  .posts,.reviews{grid-template-columns:1fr}
  .products{grid-template-columns:1fr}
  .calc{grid-template-columns:1fr}
  .calc .out{border-left:0;border-top:1px solid var(--line)}
  .signup{grid-template-columns:1fr}
}
@media (max-width:520px){
  .tiles{grid-template-columns:1fr}
  .product{grid-template-columns:1fr}
  .product .art{max-width:160px}
  nav.tabs a{padding:8px 10px}
}

/* multipage additions */
.crumbs{font:500 13px/1.4 var(--f-ui);color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--ink)}
.page-h1{font-size:clamp(32px,5vw,52px);letter-spacing:-.03em;margin:6px 0 8px}
.page-lede{max-width:62ch;margin:0 0 30px;color:var(--muted);font-size:17px}
.prose{max-width:680px;font:400 18px/1.65 var(--f-read)}
.prose h2{font-size:26px;margin:34px 0 10px;letter-spacing:-.01em}
.prose p{margin:0 0 16px}.prose ul,.prose ol{padding-left:1.3em;margin:0 0 16px}.prose li{margin-bottom:6px}
.faq details{border-bottom:1px solid var(--line);padding-block:14px;font:400 17px/1.6 var(--f-read)}
.faq summary{cursor:pointer;font:600 17px/1.4 var(--f-ui)}
.faq details p{margin:10px 0 0}
.related{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.related a{font:500 14px/1 var(--f-ui);padding:10px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink);background:var(--surface)}
.related a:hover{border-color:var(--agar)}
.legal{max-width:680px;font-size:16px}
.legal h2{font-size:22px;margin:26px 0 8px}