/* RefrigerantReady site styles. Light is default, dark via [data-theme="dark"]. Palette: brand.json "Viola Gelo". */
:root {
  --bg: #FFFFFF;
  --surface: #F7F2FE;
  --tint: #E6D9FA;
  --border: #E6D9FA;
  --border-strong: #7C6AA6;
  --text: #150D26;
  --muted: #5A4F72;
  --primary: #7822D9;
  --primary-pressed: #5E15B0;
  --on-primary: #FFFFFF;
  --accent: #FFB81C;
  --on-accent: #150D26;
  --success: #0F7A45;
  --danger: #C4283F;
  --dial-track: #E6D9FA;
  --lines: rgba(120, 34, 217, 0.08);
  --shadow: 0 1px 2px rgba(21,13,38,0.05), 0 12px 32px rgba(21,13,38,0.07);
  --f-display: "Bricolage Grotesque", "Figtree", system-ui, sans-serif;
  --f-body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --r-input: 12px;
  --r-btn: 14px;
  --r-card: 20px;
  --gutter: 16px;
  --max: 1140px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #150D26;
  --surface: #221637;
  --tint: #3A2A5C;
  --border: #3A2A5C;
  --border-strong: #8E7BB8;
  --text: #F4EEFF;
  --muted: #B7A8D6;
  --primary: #BE88FC;
  --primary-pressed: #D2AEFD;
  --on-primary: #150D26;
  --success: #4ADE95;
  --danger: #FF8A9B;
  --dial-track: #3A2A5C;
  --lines: rgba(190, 136, 252, 0.08);
  --shadow: 0 1px 0 rgba(255,255,255,0.03) inset, 0 14px 36px rgba(0,0,0,0.4);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--f-body); font-size: 16px; line-height: 1.55; overflow-x: hidden; }
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--primary); color: var(--on-primary); }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--primary); color: var(--on-primary); padding: 10px 14px; border-radius: var(--r-btn); font-weight: 700; }
.skip:focus { left: 8px; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 760px; }
.wrap.narrow, .narrow.wrap { margin-left: auto; margin-right: auto; }
.mono { font-family: var(--f-mono); }

h1, h2, h3 { font-family: var(--f-display); font-weight: 800; line-height: 1.06; letter-spacing: -0.02em; margin: 0 0 12px; font-optical-sizing: auto; }
h1 { font-size: clamp(2.125rem, 8.4vw, 4.4rem); }
h2 { font-size: clamp(1.625rem, 5vw, 2.6rem); }
h3, .h3 { font-family: var(--f-display); font-size: 1.25rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
p { margin: 0 0 16px; }
.mute { color: var(--muted); }
.eyebrow { font-family: var(--f-mono); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--primary); margin: 0 0 14px; display: block; }
.eyebrow::before { content: ""; width: 10px; height: 10px; border-radius: 50%; border: 2px solid currentColor; box-sizing: border-box; display: inline-block; margin-right: 10px; vertical-align: 0; }

/* Header */
.site-head { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 62px; }
.brand { display: inline-flex; align-items: center; padding: 6px 0; flex-shrink: 0; }
.brand img { height: 32px; width: auto; }
.logo-on-dark { display: none !important; }
:root[data-theme="dark"] .logo-on-light { display: none !important; }
:root[data-theme="dark"] .logo-on-dark { display: block !important; }
.nav { display: flex; align-items: center; gap: 2px; }
.nav a { color: var(--text); text-decoration: none; font-weight: 600; font-size: 0.95rem; padding: 0 10px; min-height: 44px; display: inline-flex; align-items: center; border-radius: 10px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--primary); }
.nav .hide-sm, .nav .hide-md { display: none; }
.theme-btn { width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border-strong); background: transparent; color: var(--text); display: inline-grid; place-items: center; cursor: pointer; margin-left: 4px; }
.theme-btn svg { width: 20px; height: 20px; }
.theme-btn .i-sun { display: none; }
:root[data-theme="dark"] .theme-btn .i-sun { display: block; }
:root[data-theme="dark"] .theme-btn .i-moon { display: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 12px 20px; border-radius: var(--r-btn); font-family: var(--f-body); font-weight: 700; font-size: 1rem; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s ease, background .15s ease, border-color .15s ease; text-align: center; line-height: 1.2; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-pressed); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn[disabled] { opacity: .6; cursor: wait; }

/* Sections */
section { padding: 56px 0; }
.band { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.sec-head { margin-bottom: 28px; max-width: 720px; }
.sec-head p { color: var(--muted); }
.after-grid { margin-top: 20px; }

/* Hero */
.hero { position: relative; padding: 40px 0 56px; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 900px; height: 900px; right: -420px; top: -360px; border-radius: 50%;
  background: repeating-radial-gradient(circle at center, transparent 0 38px, var(--lines) 38px 40px); pointer-events: none;
  mask-image: radial-gradient(circle at center, #000 30%, transparent 70%); -webkit-mask-image: radial-gradient(circle at center, #000 30%, transparent 70%); }
.hero .wrap { position: relative; display: grid; gap: 32px; }
.hero h1 { max-width: 13ch; isolation: isolate; }
.hero h1 em { font-style: normal; color: var(--primary); position: relative; white-space: nowrap; }
.hero h1 em::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0.04em; height: 0.14em; background: var(--accent); border-radius: 4px; z-index: -1; transform-origin: left; animation: swipe .7s cubic-bezier(.2,.8,.2,1) .5s both; }
.hero .lede { font-size: 1.125rem; color: var(--muted); max-width: 42ch; }
.hero .lede strong { color: var(--text); font-weight: 600; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.cta-row .btn { flex: 1 1 240px; }
@keyframes swipe { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* Gauge card */
.gauge-card { background: var(--bg); border: 1px solid var(--border); border-radius: 28px; padding: 18px 18px 20px; box-shadow: var(--shadow); max-width: 440px; width: 100%; justify-self: center; position: relative; }
.gc-top { display: flex; justify-content: space-between; align-items: center; font-family: var(--f-mono); font-size: 0.72rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }
.gc-led { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent); }
.dial { width: 100%; margin: 4px auto -30px; max-width: 340px; }
.dial-track, .dial-ready { fill: none; stroke-width: 18; stroke-linecap: butt; }
.dial-track { stroke: var(--dial-track); }
.dial-ready { stroke: var(--accent); }
.tk { stroke: var(--border-strong); stroke-width: 1.5; }
.tk-major { stroke: var(--text); stroke-width: 2.5; }
.tk-num { font-family: var(--f-mono); font-size: 13px; font-weight: 700; fill: var(--muted); }
.tk-pass { fill: var(--text); }
.needle { transform-origin: 160px 168px; transform: rotate(var(--deg)); transition: transform 1.6s cubic-bezier(.3,1.4,.5,1); }
.needle-line { stroke: var(--primary); stroke-width: 5; stroke-linecap: round; }
.needle-drop { fill: var(--primary); }
.hub { fill: var(--primary); }
.hub-in { fill: var(--bg); }
.gc-read { text-align: center; position: relative; }
.gc-val { display: block; font-family: var(--f-mono); font-size: 2.5rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.gc-lab { display: block; color: var(--muted); font-weight: 600; margin-top: 6px; }
.gc-src { font-size: 0.82rem; color: var(--muted); margin: 14px 0 0; text-align: center; }

/* Cards / grids (always even counts) */
.grid { display: grid; gap: 14px; grid-template-columns: 1fr; }
.card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-card); padding: 20px; position: relative; }
.band .card { background: var(--bg); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); margin-bottom: 12px; font-size: 0.97rem; }
.tag { font-family: var(--f-mono); font-size: 0.72rem; font-weight: 700; color: var(--primary); letter-spacing: 0.06em; text-transform: uppercase; }
.sec-card { display: flex; flex-direction: column; }
.sec-card .more { margin-top: auto; }
.sc-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.sc-chip { font-size: 0.78rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); color: var(--text); }
.sc-core .sc-chip { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.sec-card::before { content: ""; position: absolute; left: 20px; right: 20px; top: 0; height: 4px; border-radius: 0 0 4px 4px; background: var(--tint); }
.sc-core::before { background: var(--primary); }
.card a.more, .more { gap: 6px; font-weight: 700; font-size: 0.95rem; text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; color: var(--primary); }
.card a.more:hover { text-decoration: underline; }
.more svg { width: 18px; height: 18px; flex-shrink: 0; }
.card-link { text-decoration: none; color: inherit; display: block; transition: border-color .15s ease, transform .15s ease; }
.card-link:hover { border-color: var(--primary); transform: translateY(-2px); }
.card-link h3 { color: var(--text); }
.meta { font-family: var(--f-mono); font-size: 0.74rem; color: var(--muted); letter-spacing: 0.04em; margin-bottom: 8px; display: block; }

/* Question card (preview + quiz) */
.qcard { background: var(--bg); border: 1px solid var(--border); border-radius: 24px; padding: 18px; box-shadow: var(--shadow); }
.q-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.q-sec { font-family: var(--f-mono); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--primary); background: var(--surface); border: 1px solid var(--border); padding: 5px 10px; border-radius: 999px; }
.pts { font-family: var(--f-mono); font-size: 0.78rem; font-weight: 700; color: var(--on-accent); background: var(--accent); border-radius: 999px; padding: 4px 10px; white-space: nowrap; }
.q-text { font-family: var(--f-display); font-weight: 700; font-size: 1.22rem; line-height: 1.3; letter-spacing: -0.01em; margin-bottom: 16px; }
.opts { display: grid; gap: 10px; }
.opt { display: flex; gap: 12px; align-items: center; width: 100%; text-align: left; min-height: 56px; padding: 10px 14px; border-radius: 14px; border: 2px solid var(--border-strong); background: var(--bg); color: var(--text); font: inherit; font-size: 1rem; font-weight: 500; cursor: pointer; transition: border-color .15s ease, background .15s ease; }
.opt:hover:not([disabled]) { border-color: var(--primary); background: var(--surface); }
.opt[disabled] { cursor: default; }
.opt-k { flex-shrink: 0; width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-family: var(--f-mono); font-weight: 700; font-size: 0.9rem; background: var(--surface); border: 1px solid var(--border); color: var(--primary); }
.opt .opt-mark { margin-left: auto; flex-shrink: 0; font-size: 0.8rem; font-weight: 700; display: inline-flex; align-items: center; gap: 4px; }
.opt .opt-mark svg { width: 18px; height: 18px; }
.opt.is-right { border-color: var(--success); background: color-mix(in srgb, var(--success) 9%, var(--bg)); }
.opt.is-right .opt-k { background: var(--success); color: var(--bg); border-color: var(--success); }
.opt.is-right .opt-mark { color: var(--success); }
.opt.is-wrong { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, var(--bg)); }
.opt.is-wrong .opt-k { background: var(--danger); color: var(--bg); border-color: var(--danger); }
.opt.is-wrong .opt-mark { color: var(--danger); }
.opt.is-dim { opacity: .62; }
.explain { margin-top: 16px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); padding: 14px 16px; }
.explain p { margin-bottom: 10px; }
.explain p:last-child { margin-bottom: 0; }
.verdict-line { display: flex; align-items: center; gap: 8px; font-weight: 800; font-family: var(--f-display); font-size: 1.1rem; }
.verdict-line svg { width: 22px; height: 22px; flex-shrink: 0; }
.verdict-line.ok { color: var(--success); }
.verdict-line.no { color: var(--danger); }
.ref { font-size: 0.9rem; color: var(--muted); }
.q-actions { display: flex; justify-content: flex-end; margin-top: 16px; }
.q-actions .btn { width: 100%; }

/* Quiz CTA band */
.quiz-cta { display: grid; gap: 24px; align-items: center; }
.chips { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.chips li { background: var(--bg); border: 1px solid var(--border); border-radius: 16px; padding: 16px; font-family: var(--f-display); font-weight: 800; font-size: 1.3rem; display: flex; flex-direction: column; gap: 4px; }
.chips .mono { font-size: 0.8rem; color: var(--primary); font-weight: 700; }

/* Quiz app */
.quiz-head h1 { max-width: 16ch; }
.quiz-app { max-width: 760px; margin: 8px 0 32px; }
.qbar { margin-bottom: 14px; }
.qbar-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; font-size: 0.9rem; font-weight: 600; }
.qstats { display: inline-flex; gap: 6px; }
.pill { display: inline-flex; align-items: center; gap: 5px; font-family: var(--f-mono); font-weight: 700; font-size: 0.8rem; border-radius: 999px; padding: 5px 10px; }
.pts-pill { background: var(--accent); color: var(--on-accent); font-variant-numeric: tabular-nums; }
.streak-pill { border: 1px solid var(--border-strong); color: var(--text); }
.streak-pill svg { width: 14px; height: 14px; color: var(--primary); }
.streak-pill.hot svg { animation: pop .4s ease; }
.progress { height: 10px; border-radius: 999px; background: var(--tint); overflow: hidden; }
.progress span { display: block; height: 100%; width: 0; background: var(--primary); border-radius: 999px; transition: width .4s ease; }
@keyframes pop { 50% { transform: scale(1.5); } }
.result-card { background: var(--bg); border: 1px solid var(--border); border-radius: 24px; padding: 20px; box-shadow: var(--shadow); }
.res-top { display: grid; gap: 16px; align-items: center; margin-bottom: 18px; }
.res-score { font-family: var(--f-mono); font-size: 2.5rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.res-score small { font-size: 1rem; color: var(--muted); }
.res-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.res-stats div { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 10px 12px; }
.res-stats span { display: block; font-family: var(--f-mono); font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.res-stats strong { font-family: var(--f-mono); font-size: 1.4rem; font-variant-numeric: tabular-nums; }
.sec-bars { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 12px; }
.sec-bars li { display: grid; grid-template-columns: 82px 1fr 48px; gap: 10px; align-items: center; font-weight: 700; }
.sec-bars .bar { height: 14px; border-radius: 999px; background: var(--tint); overflow: hidden; }
.sec-bars .bar span { display: block; height: 100%; background: var(--primary); border-radius: 999px; width: 0; transition: width .8s ease; }
.sec-bars .full .bar span { background: var(--accent); }
.sec-bars .num { font-family: var(--f-mono); text-align: right; font-variant-numeric: tabular-nums; }
.res-tip { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 12px 14px; }
.res-actions { display: grid; gap: 10px; margin-top: 16px; }
.quiz-more { margin: 0 0 40px; }
.quiz-note { padding-bottom: 32px; }

/* Forms */
.signup { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-card); padding: 22px; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.signup h2, .signup h3 { max-width: 18ch; position: relative; }
.field-row { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
label.lbl { font-weight: 700; font-size: 0.92rem; display: block; margin: 14px 0 6px; }
input[type="email"] { width: 100%; min-height: 50px; border-radius: var(--r-input); border: 2px solid var(--border-strong); background: var(--bg); color: var(--text); font: inherit; font-size: 1rem; padding: 10px 12px; }
input:focus { outline: 3px solid var(--primary); outline-offset: 1px; border-color: var(--primary); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: 0.85rem; color: var(--muted); margin: 10px 0 0; }
.status { margin-top: 12px; font-weight: 700; display: none; gap: 8px; align-items: center; }
.status.show { display: flex; }
.status svg { width: 20px; height: 20px; flex-shrink: 0; }
.status.ok { color: var(--success); }
.status.bad { color: var(--danger); }

/* Product */
.product { border: 2px solid var(--primary); border-radius: 28px; padding: 24px; background: var(--bg); display: grid; gap: 8px; position: relative; }
.badge { display: inline-block; font-family: var(--f-mono); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-accent); background: var(--accent); border-radius: 999px; padding: 5px 12px; margin-bottom: 14px; }
.price { font-family: var(--f-mono); font-weight: 700; font-size: 2.5rem; line-height: 1; margin: 8px 0 18px; font-variant-numeric: tabular-nums; }
.price small { font-size: 0.95rem; font-weight: 600; color: var(--muted); font-family: var(--f-body); }
.feat { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 10px; grid-template-columns: 1fr; align-content: start; }
.feat li { display: flex; gap: 10px; align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 12px; font-size: 0.97rem; }
.feat svg { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }

/* Split blocks */
.split { display: grid; gap: 24px; align-items: start; }

/* Article */
.article-head { padding: 32px 0 8px; }
.article-head h1 { font-size: clamp(2rem, 7vw, 3.2rem); max-width: 20ch; }
.crumbs { font-size: 0.88rem; color: var(--muted); margin-bottom: 16px; }
.crumbs a { color: var(--muted); }
.prose { padding-bottom: 24px; font-size: 1.0625rem; }
.prose h2 { font-size: clamp(1.5rem, 4.6vw, 2rem); margin-top: 40px; }
.prose h3 { margin-top: 28px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 16px; }
.prose li { margin-bottom: 6px; }
.prose .note { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: 12px; padding: 14px 16px; margin: 0 0 18px; font-size: 0.98rem; }
.prose .note strong:first-child { color: var(--primary); }
.prose .src { font-size: 0.9rem; color: var(--muted); }
.prose .example { background: var(--bg); border: 1px solid var(--border-strong); border-radius: 16px; padding: 14px 16px; margin: 0 0 18px; }
.prose .example .ex-q { font-weight: 700; }
.prose .example .ex-a { margin-bottom: 0; }
.table-wrap { width: 100%; overflow-x: auto; margin: 0 0 18px; border: 1px solid var(--border); border-radius: 14px; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: 0.93rem; min-width: 440px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
td { font-variant-numeric: tabular-nums; }
th { font-family: var(--f-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); background: var(--surface); }
tr:last-child td { border-bottom: 0; }
.sources { margin-top: 36px; border: 1px solid var(--border); border-radius: 16px; padding: 16px 18px; background: var(--surface); }
.sources h2 { margin-top: 0; font-size: 1.15rem; }
.sources ul { margin-bottom: 8px; }
.sources p { margin: 0; font-size: 0.88rem; }
.faq { margin-top: 32px; }
.faq details { border: 1px solid var(--border); border-radius: 14px; background: var(--bg); margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 14px 16px; font-weight: 700; min-height: 44px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--f-mono); color: var(--primary); font-weight: 700; }
.faq details[open] summary::after { content: "-"; }
.faq details p { padding: 0 16px 14px; margin: 0; color: var(--muted); }
.article-cta { display: grid; gap: 14px; margin: 36px 0 8px; align-items: start; }
.article-cta .field-row .btn { width: 100%; }
.quiz-link { background: var(--surface); }
.related { padding-top: 8px; }
.blog-grid { margin: 24px 0 48px; }
.nf-grid { margin-top: 20px; }

/* Plain pages */
.page { padding-top: 40px; padding-bottom: 56px; }
.page h1 { font-size: clamp(2rem, 7vw, 3rem); }
.page h2 { font-size: 1.6rem; margin-top: 32px; }

/* Footer */
.site-foot { border-top: 1px solid var(--border); padding: 36px 0 48px; margin-top: 24px; font-size: 0.93rem; background: var(--surface); }
.foot-grid { display: grid; gap: 22px; grid-template-columns: 1fr 1fr; }
.foot-logo { grid-column: 1 / -1; }
.fh { font-family: var(--f-mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; font-weight: 700; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li a { color: var(--text); text-decoration: none; min-height: 40px; display: inline-flex; align-items: center; }
.foot-grid li a:hover { color: var(--primary); }
.disclaimer { color: var(--muted); font-size: 0.85rem; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); max-width: 85ch; }
.foot-logo img { height: 32px; width: auto; margin-bottom: 10px; }

/* Load reveal */
.js .hero-copy > *, .js .gauge-card { animation: rise .6s cubic-bezier(.2,.8,.2,1) both; }
.js .hero-copy > *:nth-child(2) { animation-delay: .06s; }
.js .hero-copy > *:nth-child(3) { animation-delay: .12s; }
.js .hero-copy > *:nth-child(4) { animation-delay: .18s; }
.js .gauge-card { animation-delay: .2s; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (min-width: 560px) {
  .grid.g2, .grid.g4, .grid.g6 { grid-template-columns: 1fr 1fr; }
  .feat { grid-template-columns: 1fr 1fr; }
  .field-row { flex-direction: row; }
  .field-row input { flex: 1; }
  .field-row .btn { flex: 0 0 auto; }
  .nav .hide-sm { display: inline-flex; }
  .chips { grid-template-columns: repeat(4, 1fr); }
  .res-actions { grid-template-columns: 1fr 1fr; }
  .q-actions .btn { width: auto; }
  .qcard, .result-card { padding: 24px; }
}
@media (min-width: 760px) { .nav .hide-md { display: inline-flex; } }
@media (min-width: 900px) {
  body { font-size: 17px; }
  section { padding: 84px 0; }
  .hero { padding: 64px 0 88px; }
  .hero .wrap { grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 48px; }
  .grid.g4 { grid-template-columns: repeat(4, 1fr); }
  .grid.g6 { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
  .cta-row .btn { flex: 0 1 auto; }
  .quiz-cta { grid-template-columns: 1fr 1fr; gap: 48px; }
  .chips { grid-template-columns: 1fr 1fr; }
  .product { grid-template-columns: 1fr 1fr; gap: 40px; padding: 40px; }
  .feat { grid-template-columns: 1fr; margin-top: 0; }
  .foot-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .foot-logo { grid-column: auto; }
  .article-cta { grid-template-columns: 1fr 1fr; }
  .res-top { grid-template-columns: auto 1fr; gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0ms !important; transition: none !important; scroll-behavior: auto !important; }
}