/* Layout: one 1120px column, tool-first pages; calculator card beside text on desktop, stacked on phones.
   Palette: pasture green + turmeric on a faint green-cream ground. Type: Young Serif headings, Atkinson Hyperlegible body (built for low-vision legibility, good on cheap phone screens). */
:root{
  --bg:#F5F4EC; --surface:#FFFFFF; --sunk:#ECEEE3; --ink:#1B2620; --muted:#4A5850; --line:#D9DCCD;
  --green:#1F4D36; --link:#1F5C3E; --btn:#1F4D36; --btn-ink:#FFFFFF;
  --accent:#D49A12; --accent-ink:#1B2620; --accent-soft:#F6E7BD; --pale:#E3EBDF;
  --warn-bg:#FBEAE5; --warn-ink:#8A2C17;
  --display:"Young Serif", Georgia, "Times New Roman", serif;
  --body:"Atkinson Hyperlegible", "Segoe UI", Roboto, Arial, sans-serif;
  --radius:10px; --wrap:1120px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#101814; --surface:#17211B; --sunk:#1C2821; --ink:#E8EEE8; --muted:#A8B6AC; --line:#2B3A31;
  --green:#9ED3B2; --link:#8FD0A9; --btn:#3A8A60; --btn-ink:#FFFFFF;
  --accent:#E8B53A; --accent-ink:#141A16; --accent-soft:#3B3219; --pale:#1B2A22;
  --warn-bg:#3A1F18; --warn-ink:#F2B5A3; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#101814; --surface:#17211B; --sunk:#1C2821; --ink:#E8EEE8; --muted:#A8B6AC; --line:#2B3A31;
  --green:#9ED3B2; --link:#8FD0A9; --btn:#3A8A60; --btn-ink:#FFFFFF;
  --accent:#E8B53A; --accent-ink:#141A16; --accent-soft:#3B3219; --pale:#1B2A22;
  --warn-bg:#3A1F18; --warn-ink:#F2B5A3; color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6}
img,svg{max-width:100%}
a{color:var(--link);text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.15;text-wrap:balance;color:var(--ink);margin:0}
h1{font-size:clamp(2rem,4.6vw,3.1rem)}
h2{font-size:clamp(1.5rem,3vw,2rem)}
h3{font-size:1.25rem}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.eyebrow{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--muted)}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums}

/* header */
.site-head{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:env(safe-area-inset-top,0px);z-index:10}
.site-head .wrap{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--display);font-size:1.35rem;white-space:nowrap}
.brand svg{width:30px;height:30px;flex:none}
.nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav a{padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:700;font-size:.95rem;white-space:nowrap}
.nav a:hover{background:var(--sunk)}
.nav a[aria-current="page"]{background:var(--pale);color:var(--green)}
@media (max-width:720px){.site-head .wrap{padding-block:8px;gap:4px}.nav{margin-left:-10px;width:calc(100% + 10px);flex-wrap:wrap;overflow:visible}.nav a{padding:6px 10px}}

/* breadcrumb */
.crumbs{font-size:.9rem;color:var(--muted);padding-block:18px 6px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-right:6px}
.crumbs a{color:var(--muted)}

/* page head */
.page-head{display:grid;gap:12px;padding-block:8px 24px;max-width:760px}
.page-head .lede{font-size:1.12rem;color:var(--muted)}

/* tool layout */
.tool-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:28px;align-items:start}
@media (max-width:900px){.tool-grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.calc{display:grid;gap:16px}
.calc h2{font-size:1.35rem}
.field{display:grid;gap:6px}
.field label,.field .label{font-weight:700;font-size:.95rem}
.field .hint{font-size:.85rem;color:var(--muted)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:420px){.row2{grid-template-columns:1fr}}
input[type=number],select{width:100%;font:inherit;font-size:1.05rem;padding:11px 12px;border:1.5px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
input[type=number]:focus,select:focus{border-color:var(--green)}
.seg{display:inline-flex;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;width:max-content;max-width:100%;flex-wrap:wrap}
.seg button{font:inherit;font-weight:700;font-size:.92rem;border:0;background:transparent;color:var(--ink);padding:9px 14px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--btn);color:var(--btn-ink)}
.result{background:var(--pale);border-radius:8px;padding:16px 18px;display:grid;gap:4px}
.result .big{font-family:var(--display);font-size:2.3rem;line-height:1.1;color:var(--green);font-variant-numeric:tabular-nums}
.result .sub{color:var(--muted);font-size:.95rem}
.result dl{display:grid;grid-template-columns:auto auto;justify-content:space-between;gap:4px 16px;margin:8px 0 0}
.result dt{color:var(--muted)} .result dd{margin:0;font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.formula{font-size:.85rem;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px}
.example-note{font-size:.85rem;color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink);font-weight:700;text-decoration:none;padding:12px 20px;border-radius:999px;border:0;font:inherit;font-weight:700;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;color:var(--link);padding-inline:0}

/* article */
.article{display:grid;gap:18px;max-width:720px}
.article h2{margin-top:22px}
.article ul,.article ol{margin:0;padding-left:1.3em;display:grid;gap:6px}
.quick{background:var(--accent-soft);border-radius:var(--radius);padding:18px 20px;display:grid;gap:6px}
.quick strong{font-family:var(--display);font-weight:400;font-size:1.15rem}
.urgent{background:var(--warn-bg);color:var(--warn-ink);border-radius:var(--radius);padding:14px 18px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.95rem;font-variant-numeric:tabular-nums}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--sunk);font-weight:700}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right}
.figure{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.figure figcaption{font-size:.88rem;color:var(--muted);margin-top:8px}
details.faq{border-top:1px solid var(--line);padding-block:12px}
details.faq:last-of-type{border-bottom:1px solid var(--line)}
details.faq summary{cursor:pointer;font-weight:700;list-style-position:outside}
details.faq p{margin-top:8px;color:var(--muted)}
.sources{font-size:.9rem;color:var(--muted)}
.sources ol{padding-left:1.2em}
.disclaimer{font-size:.88rem;color:var(--muted);border-left:3px solid var(--line);padding-left:12px}

/* related */
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.tile{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--ink)}
a.tile:hover{border-color:var(--green)}
.tile .ic{width:48px;height:48px;border-radius:50%;background:var(--pale);display:grid;place-items:center;color:var(--green)}
.tile .ic svg{width:26px;height:26px}
.tile h3{font-size:1.1rem;margin-bottom:4px}
.tile p{font-size:.92rem;color:var(--muted)}
.tile.soon{background:transparent;border-style:dashed}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--sunk);color:var(--muted);padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:middle}

/* sections */
.section{padding-block:40px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.section-head h2{max-width:640px}
.band{background:var(--sunk)}

/* home hero */
.hero{padding-block:36px 40px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:36px;align-items:center}
@media (max-width:900px){.hero{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2.2rem,5.4vw,3.6rem)}
.hero .lede{font-size:1.15rem;color:var(--muted);max-width:560px;margin-top:14px}
.search{margin-top:22px;position:relative;max-width:520px}
.search input{width:100%;font:inherit;font-size:1.05rem;padding:14px 16px 14px 46px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink)}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--muted)}
.search-results{margin-top:10px;display:grid;gap:6px;max-width:520px}
.search-results a{display:block;padding:10px 14px;background:var(--surface);border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--ink);font-weight:700}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:.92rem;color:var(--muted)}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust span::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.steps div{display:grid;gap:6px}

/* shed plan */
.plan svg text{font-family:var(--body)}
figure.plan svg{display:block;max-width:760px;margin-inline:auto}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--surface);margin-top:48px}
.site-foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px;padding-block:32px}
@media (max-width:760px){.site-foot .wrap{grid-template-columns:1fr 1fr}}
.site-foot h3{font-family:var(--body);font-weight:700;font-size:.95rem;margin-bottom:8px}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:4px;font-size:.92rem}
.site-foot a{color:var(--muted);text-decoration:none}
.site-foot a:hover{color:var(--link);text-decoration:underline}
.site-foot .fine{grid-column:1/-1;font-size:.82rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---- merged features ---- */
.skip{position:absolute;left:-9999px;top:8px;z-index:20;background:var(--btn);color:var(--btn-ink);padding:10px 14px;border-radius:8px}
.skip:focus{left:12px}
.menu-btn{display:none;margin-left:auto;font:inherit;font-weight:700;background:var(--sunk);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 12px;cursor:pointer}
@media (max-width:720px){
 .menu-btn{display:inline-flex;gap:6px;align-items:center}
 .nav{display:none;width:100%;margin-left:0;flex-direction:column;padding-block:6px 10px}
 .nav.open{display:flex}
 .nav a{padding:10px 12px}
}
.hero-photo{display:block;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--sunk)}
.hero-photo img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:14px;align-items:end}
@media (max-width:640px){.row3{grid-template-columns:1fr 1fr}.row3 .result{grid-column:1/-1}}
.btn-row{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center}
.btn.export{font-size:.95rem}
.feed-table input{width:100%;min-width:84px;font:inherit;font-size:1rem;padding:8px 10px;border:1.5px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
.feed-table th[scope=row]{background:transparent;font-weight:700;white-space:nowrap}
.feed-table .hint{display:block;font-size:.75rem;color:var(--muted);margin-top:2px}
.feed-table td,.feed-table th{padding:8px 10px}
.tag.ok{background:var(--pale);color:var(--green)}
.calc.mini .result .big{font-size:1.9rem}
details.faq summary{padding-block:2px}
.row2>*,.row3>*,.grid4>*,.tool-grid>*{min-width:0}
select{max-width:100%;text-overflow:ellipsis}

/* Shared country and currency selector */
.region-picker{display:grid;gap:2px;font-size:.72rem;color:var(--muted);padding-block:8px;min-width:170px;max-width:215px}.region-picker select{font-size:.82rem;padding:7px 9px;min-height:38px}.site-head .wrap{gap:14px}@media(max-width:900px){.region-picker{margin-left:auto;max-width:200px}.site-head .nav{order:4}}@media(max-width:480px){.region-picker{width:100%;max-width:none;margin:0;grid-template-columns:auto 1fr;align-items:center;gap:12px}.site-head .wrap{padding-block:8px}}

/* Honor mode visibility even on grid/flex components. */
[hidden]{display:none!important}

/* Feed calculator: consistent surfaces and legible controls in both themes. */
.feed-step{font-family:var(--body);font-size:1.4rem!important;font-weight:700;display:flex;gap:12px;align-items:center;margin:20px 0 8px}
.feed-step span{display:grid;place-items:center;background:var(--btn);color:var(--btn-ink);border-radius:50%;width:34px;height:34px;flex-shrink:0;font-size:1rem}
.animal-group{margin:8px 0 22px;padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 2px 8px #00000005}
.group-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#1f4d36;color:#fff;border-radius:9px;padding:16px 18px;margin-bottom:20px}
.group-heading h3{margin:0;color:#fff;font-family:var(--body);font-size:1.15rem;font-weight:700;line-height:1.4}
.group-badge{display:block;color:#f5cf73;font-size:.74rem;text-transform:uppercase;letter-spacing:.09em;margin-bottom:4px}
.remove-group{display:inline-flex;align-items:center;gap:7px;flex-shrink:0;border:1px solid #ffffff70;background:transparent;color:#fff;border-radius:7px;padding:9px 12px;min-height:42px;font:inherit;font-size:.88rem;font-weight:700;cursor:pointer}
.remove-group svg{width:17px;height:17px}.remove-group:hover{background:#ffffff18;border-color:#fff}
.animal-group .grid4{margin-bottom:20px}.animal-group .feed-table thead th{background:var(--pale);border-bottom:2px solid var(--line);font-size:.84rem;line-height:1.45}
.feed-table{min-width:820px;table-layout:fixed}.feed-table th:first-child{width:27%}.feed-table th:nth-child(2),.feed-table th:nth-child(3){width:24%}.feed-table th:nth-child(4),.feed-table th:nth-child(5){width:12.5%}
.feed-table th[scope=row]{white-space:normal;line-height:1.45}.feed-table td,.feed-table th{padding:12px 10px;vertical-align:middle}.feed-table .num{font-size:.9rem;white-space:normal}
.feed-number{display:grid;grid-template-columns:minmax(64px,1fr) 32px 32px;gap:4px;align-items:center}.feed-number input{min-width:0!important;width:100%;padding:9px 8px}
.feed-adjust{border:1px solid var(--line);background:var(--surface);color:var(--green);font:inherit;font-size:1rem;font-weight:700;border-radius:6px;min-height:42px;cursor:pointer}.feed-adjust:hover{background:var(--pale);border-color:var(--green)}
.group-result{margin-top:18px;background:var(--pale);padding:18px;border-radius:9px}.group-result h4{font-family:var(--body);font-size:1rem;margin:0 0 14px;color:var(--green)}
.group-result dl{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 18px;margin:0}.group-result dd{margin:0;font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.herd-summary{margin-top:12px;padding:22px;border:2px solid var(--green);border-radius:12px;background:var(--surface)}.herd-summary .feed-step{margin-top:0}.herd-summary h3{font-family:var(--body);font-size:1.1rem;font-weight:700;margin-top:18px}.herd-summary .hint{margin:8px 0 16px}.herd-summary .result{margin-top:22px;border-top:3px solid var(--green)}
.price-references{margin:0 0 12px}.price-references summary{font-weight:700;cursor:pointer;padding:10px 0}.price-references table{min-width:650px}
#add-group{justify-self:start;border-radius:8px;padding:12px 18px;min-height:44px}
@media(max-width:640px){
 .animal-group{padding:12px}.group-heading{padding:14px 12px;gap:8px}.group-heading h3{font-size:1.05rem}.remove-group{padding:9px 10px}
 .feed-step{font-size:1.15rem!important}.herd-summary{padding:12px}.group-result{padding:14px}.group-result dl{font-size:.9rem}
 .animal-group .table-wrap{border:0;overflow:visible;background:transparent}.feed-table{min-width:0;display:block;table-layout:auto}.feed-table thead{display:none}.feed-table tbody{display:grid;gap:12px}.feed-table tr{display:grid;grid-template-columns:1fr 1fr;gap:10px;border:1px solid var(--line);border-radius:9px;padding:12px;background:var(--bg)}
 .feed-table th[scope=row]{grid-column:1/-1;width:auto;background:transparent;padding:0 0 8px;font-size:.96rem;border-bottom:1px solid var(--line)}.feed-table td{display:block;padding:0;border:0;min-width:0}.feed-table td::before{content:attr(data-label);display:block;font-size:.72rem;font-weight:700;color:var(--muted);margin-bottom:5px}.feed-number{grid-template-columns:minmax(46px,1fr) 30px 30px;gap:3px}.feed-table .num{background:var(--pale);border-radius:6px;padding:8px;white-space:normal}
 .group-result dl,.result dl{grid-template-columns:minmax(0,1fr) auto;gap:7px 12px}.result .big{font-size:clamp(1.7rem,7vw,2.3rem);overflow-wrap:anywhere}.herd-summary table{font-size:.82rem}.herd-summary td,.herd-summary th{padding:9px 7px}
}
/* Shared site polish */
.figure img{border-radius:6px}.figure{overflow:hidden}.btn.ghost{padding:9px 12px;border:1px solid var(--line);border-radius:7px;min-height:42px}.btn.ghost:hover{background:var(--pale);border-color:var(--green)}
.field label{line-height:1.4}.field input,.field select{min-height:44px}.figure svg{height:auto}.article .table-wrap{max-width:100%}main{padding-bottom:12px}html{scroll-padding-top:90px}.result,.group-result{overflow-wrap:anywhere}
@media(max-width:420px){.wrap{padding-inline:14px}.card{padding:16px}.row3{grid-template-columns:1fr}.site-foot .wrap{gap:18px}.brand{font-size:1.15rem}}

/* final audit fixes */
.seg{width:auto;display:flex}
.seg button{flex:1 1 auto;white-space:normal;text-align:center}
.row2>*,.row3>*,.grid4>*,.tool-grid>*{min-width:0}
select{max-width:100%}
.warn-note{background:var(--warn-bg);color:var(--warn-ink);border-radius:8px;padding:10px 12px;font-weight:700}
details.faq>summary h2{font-size:1.35rem}