/* ScoopMath — shared styles */
@font-face{font-family:"Fraunces";src:url("fonts/fraunces.woff2") format("woff2");font-weight:300 900;font-display:swap}
@font-face{font-family:"DM Sans";src:url("fonts/dm-sans.woff2") format("woff2");font-weight:300 900;font-display:swap}

:root{
  --bg:#FBF7F0;
  --surface:#FFFFFF;
  --surface-2:#F4EDE1;
  --ink:#2B2118;
  --ink-2:#5E5246;
  --ink-3:#6E6256;
  --line:#E7DDCD;
  --accent:#B9472F;
  --accent-ink:#FFFFFF;
  --accent-soft:#F6E1DA;
  --butter:#F2C14E;
  --butter-soft:#FBEFCF;
  --sage:#4F7A5A;
  --focus:#1F6FEB;
  --shadow:0 1px 2px rgba(43,33,24,.06),0 6px 24px rgba(43,33,24,.07);
  --radius:16px;
  --radius-sm:10px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#1A1612;--surface:#241F1A;--surface-2:#2E2822;--ink:#F3ECE2;--ink-2:#CDBFAF;--ink-3:#9C8E80;
    --line:#3A332C;--accent:#E0735A;--accent-ink:#1A1612;--accent-soft:#3C2620;--butter:#F2C14E;--butter-soft:#3A3120;
    --sage:#8FBF98;--focus:#79A8FF;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 28px rgba(0,0,0,.35);color-scheme:dark;
  }
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--accent);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
h1,h2,h3{font-family:var(--serif);line-height:1.15;letter-spacing:-.01em;color:var(--ink);font-weight:650}
h1{font-size:clamp(2rem,5.5vw,3.25rem);margin:0 0 .4em}
h2{font-size:clamp(1.5rem,3.6vw,2.1rem);margin:2.2em 0 .6em}
h3{font-size:1.2rem;margin:1.6em 0 .4em}
p{margin:0 0 1em}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:8px;z-index:100}
.skip:focus{top:12px}

.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}

/* Header */
.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--serif);font-weight:700;font-size:1.3rem;letter-spacing:-.02em}
.brand svg{width:34px;height:34px}
.brand span b{color:var(--accent);font-weight:700}
.nav{display:flex;gap:4px}
.nav a{color:var(--ink-2);text-decoration:none;font-weight:500;font-size:.95rem;padding:8px 12px;border-radius:999px}
.nav a:hover{background:var(--surface-2);color:var(--ink)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:10px;width:44px;height:44px;cursor:pointer}
.menu-btn svg{width:22px;height:22px;margin:auto}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 16px 16px}
  .nav.open{display:flex}
  .nav a{padding:12px;font-size:1rem}
}

/* Hero */
.hero{padding:44px 0 8px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--sage);background:color-mix(in srgb,var(--sage) 12%,transparent);padding:6px 12px;border-radius:999px;margin-bottom:16px}
.lede{font-size:1.15rem;color:var(--ink-2);max-width:620px;margin:0 auto}

/* Converter card */
.tool{margin:28px auto 0;max-width:820px;background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:clamp(18px,4vw,32px)}
.field-label{display:block;font-weight:600;font-size:.9rem;color:var(--ink-2);margin-bottom:6px}
.row{display:grid;gap:14px}
.row-ingredient{grid-template-columns:1fr}
.row-amount{grid-template-columns:1fr 1fr;margin-top:14px}

select,input[type=text]{width:100%;font:inherit;font-size:1.1rem;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;min-height:52px;appearance:none;-webkit-appearance:none}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A7D70' stroke-width='2' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
select:focus,input[type=text]:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
input[aria-invalid=true]{border-color:#C0392B}
.hint{font-size:.85rem;color:var(--ink-3);margin-top:6px;min-height:1.3em}
.hint.err{color:#C0392B}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font:inherit;font-weight:600;font-size:.95rem;background:var(--surface-2);color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:8px 14px;min-height:40px;cursor:pointer}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

.result{margin-top:22px;background:var(--butter-soft);border-radius:var(--radius);padding:20px 22px;min-height:132px}
.result-main{font-family:var(--serif);font-weight:700;font-size:clamp(2rem,7vw,3.2rem);line-height:1.05;letter-spacing:-.02em;margin:0}
.result-main small{font-size:.45em;font-weight:600;color:var(--ink-2);letter-spacing:0}
.result-sub{color:var(--ink-2);margin:.5em 0 0;font-size:1rem}
.result-kitchen{display:inline-block;margin-top:10px;background:var(--surface);border:1px dashed var(--line);border-radius:8px;padding:4px 10px;font-size:.92rem;color:var(--ink)}
.result-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.btn{font:inherit;font-weight:600;display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:10px 16px;min-height:44px;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none}
.btn:hover{border-color:var(--ink-3)}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-primary:hover{filter:brightness(1.05)}

.equiv{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:18px}
.equiv div{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px}
.equiv dt{font-size:.8rem;color:var(--ink-3);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.equiv dd{margin:2px 0 0;font-weight:700;font-size:1.15rem;font-variant-numeric:tabular-nums}

/* Table */
.table-card{margin-top:28px}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
caption{text-align:left;padding:14px 16px;font-weight:600;color:var(--ink-2);caption-side:top}
th,td{padding:11px 16px;text-align:left;border-top:1px solid var(--line);white-space:nowrap}
thead th{background:var(--surface-2);font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-2);border-top:0}
tbody tr:hover{background:var(--bg)}
td.num{font-weight:600}

/* Content */
.content{padding:8px 0 24px}
.content ul,.content ol{padding-left:1.3em;margin:0 0 1em}
.content li{margin:.3em 0}
.callout{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--sage);border-radius:var(--radius-sm);padding:14px 18px;margin:1.2em 0}
.callout p:last-child{margin:0}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:1.2em 0;padding:0;list-style:none;counter-reset:s}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;counter-increment:s;margin:0}
.steps li::before{content:counter(s);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-weight:700;margin-bottom:8px}

/* FAQ */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin:10px 0}
.faq summary{cursor:pointer;list-style:none;padding:16px 48px 16px 18px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--accent);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 18px 16px;color:var(--ink-2)}
.faq details>div p:last-child{margin:0}

/* Ad slots: hidden until ads are approved (see comment in index.html) */
.ad-slot{display:none;margin:28px auto;min-height:100px}
.ads-on .ad-slot{display:block}

/* Footer */
.site-footer{margin-top:48px;border-top:1px solid var(--line);background:var(--surface);padding:32px 0;font-size:.95rem;color:var(--ink-2)}
.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
.footer-links{display:flex;flex-wrap:wrap;gap:0 18px}
.footer-links a{color:var(--ink-2);display:inline-block;padding:10px 0}
.site-footer small{display:block;margin-top:18px;color:var(--ink-3)}

/* Legal pages */
.legal{padding:40px 0}
.legal h1{font-size:clamp(1.8rem,4vw,2.6rem)}
.legal .updated{color:var(--ink-3);font-size:.95rem}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-top:20px}
.contact-card label{display:block;font-weight:600;margin:12px 0 6px}
.contact-card textarea{width:100%;font:inherit;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;min-height:140px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:999px;font-weight:600;opacity:0;pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Mobile: keep the result on the first screen */
@media (max-width:520px){
  .hero{padding:20px 0 0}
  .eyebrow{display:none}
  h1{font-size:1.75rem}
  .lede{display:none}
  .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto;min-height:44px}
  .tool{margin-top:16px}
  .row-amount{grid-template-columns:1.4fr 1fr}
  .result-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .result-actions .btn{justify-content:center;padding:10px 8px;gap:6px;white-space:nowrap;font-size:.94rem}
  #swap{grid-column:1 / -1}
}
[id]{scroll-margin-top:76px}