/* SDI by logicline – Produktsite (Mock)
   Tokens aus Content/strategie/bildsprache-infografiken.md, abgeglichen mit logicline.de
   (Suisse Screen, Seitenhintergrund #F2F2F2, Buttons Radius 12). */

@font-face { font-family: "Suisse Screen"; src: url("assets/fonts/SuisseScreen-Regular-WebXL.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Suisse Screen"; src: url("assets/fonts/SuisseScreen-Medium-WebXL.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Suisse Screen"; src: url("assets/fonts/SuisseScreen-SemiBold-WebXL.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Suisse Screen"; src: url("assets/fonts/SuisseScreen-Bold-WebXL.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --ink: #16181D;
  --ink-2: #5B6470;
  --line: #E3E6EA;
  --fill: #F4F6F8;
  --page: #F2F2F2;
  --red: #E00817;
  --red-pastel: #FDF5F6;
  --white: #FFFFFF;
  --arrow: #C7CDD4;
  --r-chip: 16px;
  --r-hero: 24px;
  --r-btn: 12px;
  --wrap: 1200px;
  --gutter: 40px;
  --font: "Suisse Screen", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-weight: 500; line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(40px, 5.4vw, 64px); }
h2 { font-size: clamp(30px, 3.6vw, 46px); }
h3 { font-size: 21px; font-weight: 600; line-height: 1.3; }
p { margin: 0; }
.muted { color: var(--ink-2); }
.red { color: var(--red); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
section { padding: 104px 0; }
section + section { border-top: 1px solid var(--line); }

/* Kicker: rotes Quadrat + Uppercase, wie in den Infografiken */
.kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 14px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-2); margin-bottom: 20px;
}
.kicker::before { content: ""; width: 14px; height: 14px; border-radius: 3px; background: var(--red); flex: none; }
.section-head { max-width: 820px; margin-bottom: 56px; }
.section-head p { margin-top: 20px; font-size: 20px; color: var(--ink-2); }

/* Spamschutz: verstecktes Feld für Bots */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(242, 242, 242, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.nav { display: flex; align-items: center; gap: 32px; font-size: 16px; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }

/* Wortmarke (Mock): "logi" in Ink, "cause" in Rot, roter Punkt – angelehnt an logic|line. */
.wordmark { display: inline-flex; align-items: baseline; text-decoration: none; font-size: 32px; font-weight: 400; letter-spacing: -0.035em; line-height: 1; color: #231F20; }
.wordmark .c { color: var(--red); }
.wordmark .dot { display: inline-block; width: 0.2em; height: 0.2em; margin-left: 0.07em; border-radius: 50%; background: var(--red); }
.wordmark .mark { width: 1.15em; height: 1.15em; margin-right: 0.28em; align-self: center; }
.wordmark .endorse { margin-left: 0.45em; font-size: 0.42em; letter-spacing: 0; color: var(--ink-2); white-space: nowrap; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand .by { font-size: 13px; color: var(--ink-2); border-left: 1px solid var(--line); padding-left: 14px; line-height: 1.2; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: var(--r-btn);
  font-size: 16px; font-weight: 600; text-decoration: none; line-height: 1.2;
  border: 1.5px solid var(--ink); color: var(--ink); background: transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.btn:hover { background: var(--ink); color: var(--white); }
/* Primär-Button in Ink statt Rot: Rot bleibt Headline und Produktfokus vorbehalten */
.btn-primary { background: var(--ink); border-color: var(--ink); color: var(--white); }
.btn-primary:hover { background: #2C3038; border-color: #2C3038; }
.cta-band .btn-primary { background: var(--red); border-color: var(--red); }
.cta-band .btn-primary:hover { background: #B80613; border-color: #B80613; }
.btn-light { border-color: rgba(255,255,255,.5); color: var(--white); }
.btn-light:hover { background: var(--white); color: var(--ink); }
.btn-sm { padding: 10px 16px; font-size: 15px; }
.btn .arrow { font-weight: 400; }

/* Hero */
.hero { padding: 88px 0 96px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 64px; align-items: center; }
.hero .lead { margin-top: 28px; font-size: 21px; line-height: 1.55; color: var(--ink-2); max-width: 600px; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.hero .note { margin-top: 18px; font-size: 15px; color: var(--ink-2); }

/* Diagnose-Karte (Produkt-Mock im Hero) */
.diag {
  margin: 0;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-hero);
  padding: 28px; box-shadow: 0 1px 0 rgba(22,24,29,.04);
}
.diag-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.diag-top .label { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); font-weight: 600; }
.diag-top .case { font-size: 18px; font-weight: 600; margin-top: 4px; line-height: 1.3; }
.diag-top .meta { font-size: 14px; color: var(--ink-2); margin-top: 2px; }
.chip { display: inline-block; font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--fill); color: var(--ink-2); white-space: nowrap; }
.diag h4 { margin: 20px 0 10px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); font-weight: 600; }
.hyp { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: center; padding: 10px 12px; border-radius: 12px; }
.hyp + .hyp { margin-top: 4px; }
.hyp .name { font-size: 16px; line-height: 1.35; }
.hyp .name small { display: block; color: var(--ink-2); font-size: 13px; }
.hyp .pct { font-size: 16px; font-weight: 600; font-variant-numeric: tabular-nums; }
.hyp .bar { grid-column: 1 / -1; height: 5px; background: var(--fill); border-radius: 3px; overflow: hidden; }
.hyp .bar i { display: block; height: 100%; background: #9AA3AE; border-radius: 3px; }
.hyp.top { background: var(--red-pastel); outline: 1.5px solid var(--red); }
.hyp.top .pct { color: var(--red); }
.hyp.top .bar { background: #F6D9DC; }
.hyp.top .bar i { background: var(--red); }
.evidence { display: flex; flex-wrap: wrap; gap: 8px; }
.evidence .chip { font-weight: 500; }
.evidence .chip.gap { background: transparent; border: 1px dashed var(--arrow); padding: 3px 9px; }
.next { margin-top: 20px; padding: 14px 16px; background: var(--fill); border-radius: 12px; font-size: 15px; line-height: 1.45; }
.next strong { font-weight: 600; }
.diag-caption { margin-top: 12px; font-size: 13px; color: var(--ink-2); text-align: right; }

/* Faktenband (dunkel, wie Fußleiste der Infografiken) */
.facts { background: var(--ink); color: var(--white); padding: 0; border: 0; }
.facts ul { list-style: none; margin: 0 auto; padding: 32px var(--gutter); max-width: var(--wrap); display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px 32px; }
.facts li { display: flex; gap: 14px; align-items: flex-start; font-size: 16px; line-height: 1.4; }
.facts svg { flex: none; width: 26px; height: 26px; stroke: var(--white); fill: none; stroke-width: 1.6; margin-top: 1px; }
.facts + section { border-top: 0; }

/* Karten */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-chip); padding: 28px; }
.card .num { font-size: 14px; font-weight: 600; color: var(--ink-2); letter-spacing: .08em; margin-bottom: 18px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: 17px; line-height: 1.55; }

/* Flow-Diagramm (So funktioniert's) */
.flow { display: grid; grid-template-columns: 1fr 64px 1.15fr 64px 1fr; align-items: stretch; }
.flow-col { display: flex; flex-direction: column; gap: 12px; }
.flow-col .col-label { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 4px; }
.node { background: var(--white); border: 1.5px solid var(--line); border-radius: var(--r-chip); padding: 14px 18px; }
.node strong { display: block; font-size: 17px; font-weight: 600; line-height: 1.3; }
.node span { font-size: 14px; color: var(--ink-2); line-height: 1.4; display: block; margin-top: 2px; }
.node.opt { border-style: dashed; }
.flow-arrow { display: flex; align-items: center; justify-content: center; }
.flow-arrow svg { width: 48px; height: 16px; }
.core {
  background: var(--red-pastel); border: 2.5px solid var(--red); border-radius: var(--r-hero);
  padding: 28px; display: flex; flex-direction: column; justify-content: center; gap: 18px;
}
.core .wordmark { font-size: 34px; }
.core ol { list-style: none; margin: 0; padding: 0; counter-reset: s; display: grid; gap: 14px; }
.core li { counter-increment: s; display: grid; grid-template-columns: 30px 1fr; gap: 10px; font-size: 16px; line-height: 1.45; }
.core li::before { content: counter(s); width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: var(--white); font-size: 14px; font-weight: 600; display: grid; place-items: center; }
.core li strong { font-weight: 600; }
.flow-foot { margin-top: 28px; font-size: 16px; color: var(--ink-2); }

/* Im Einsatz (Clip-Player) */
.player { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 2.1fr); gap: 32px; align-items: start; }
.clip-tabs { display: flex; flex-direction: column; gap: 10px; }
.clip-tab {
  display: grid; grid-template-columns: 36px 1fr; gap: 2px 8px; text-align: left; cursor: pointer;
  font: inherit; color: var(--ink); background: var(--white); border: 1.5px solid var(--line);
  border-radius: var(--r-chip); padding: 16px 18px; transition: border-color .15s;
}
.clip-tab:hover { border-color: #B4BBC4; }
.clip-tab[aria-selected="true"] { border-color: var(--ink); }
.clip-tab .n { grid-row: span 2; font-size: 14px; font-weight: 600; letter-spacing: .08em; color: var(--ink-2); padding-top: 2px; }
.clip-tab strong { font-size: 17px; font-weight: 600; line-height: 1.3; }
.clip-tab span:last-child { font-size: 14px; color: var(--ink-2); line-height: 1.4; }
.clip { margin: 0; }
.clip video { display: block; width: 100%; aspect-ratio: 16 / 9; background: var(--ink); border-radius: var(--r-hero); }
.clip figcaption { margin-top: 12px; font-size: 13px; color: var(--ink-2); text-align: right; }

/* Vergleich */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare .side { border-radius: var(--r-hero); padding: 32px; background: var(--white); border: 1px solid var(--line); }
.compare .side.ours { background: var(--red-pastel); border: 2px solid var(--red); }
.compare h3 { font-size: 24px; font-weight: 600; }
.compare .sub { color: var(--ink-2); font-size: 16px; margin-top: 4px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.compare .ours .sub { border-color: #F3CDD1; }
.compare ul { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 14px; }
.compare li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; font-size: 17px; line-height: 1.45; }
.compare li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #B4BBC4; margin: 9px 0 0 6px; }
.compare .ours li::before { width: 14px; height: 8px; border-radius: 0; background: none; border-left: 2.5px solid var(--red); border-bottom: 2.5px solid var(--red); transform: rotate(-45deg); margin: 5px 0 0 3px; }

/* Backtest */
.backtest { background: var(--white); }
.bt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.bt-steps { list-style: none; margin: 0; padding: 0; border-left: 1.5px solid var(--line); }
.bt-steps li { position: relative; padding: 0 0 26px 28px; }
.bt-steps li:last-child { padding-bottom: 0; }
.bt-steps li::before { content: ""; position: absolute; left: -6px; top: 8px; width: 11px; height: 11px; border-radius: 50%; background: var(--white); border: 1.5px solid var(--ink-2); }
.bt-steps .when { font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.bt-steps strong { display: block; font-size: 18px; font-weight: 600; margin-top: 2px; }
.bt-steps p { color: var(--ink-2); font-size: 16px; line-height: 1.5; margin-top: 2px; }
.bt-box { background: var(--fill); border-radius: var(--r-hero); padding: 32px; }
.bt-box h3 { font-size: 22px; margin-bottom: 16px; }
.bt-box ul { margin: 0; padding-left: 20px; display: grid; gap: 8px; font-size: 17px; }
.bt-terms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 28px 0; }
.bt-terms div { background: var(--white); border-radius: 12px; padding: 14px 16px; font-size: 15px; color: var(--ink-2); line-height: 1.35; }
.bt-terms strong { display: block; color: var(--ink); font-size: 17px; font-weight: 600; }
.path { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 48px; font-size: 16px; }
.path .step { background: var(--white); border: 1.5px solid var(--line); border-radius: 999px; padding: 8px 16px; font-weight: 600; }
.path .step.first { border-color: var(--ink); }
.path .sep { color: var(--arrow); }
.path .hint { color: var(--ink-2); margin-left: 8px; }

.bt-alt { margin-top: 16px; font-size: 15px; color: var(--ink-2); }

/* Selbstcheck */
.sc-form, .sc-result { max-width: 880px; background: var(--white); border: 1px solid var(--line); border-radius: var(--r-hero); padding: 12px 32px 32px; }
.sc-q { margin: 0; padding: 22px 0; border: 0; border-bottom: 1px solid var(--line); min-width: 0; }
.sc-q legend { float: left; width: 100%; padding: 0; margin-bottom: 12px; font-size: 17px; font-weight: 500; line-height: 1.4; display: grid; grid-template-columns: 34px 1fr; }
.sc-q legend .n { font-size: 14px; font-weight: 600; color: var(--ink-2); padding-top: 1px; }
.sc-q .seg { clear: both; padding-left: 34px; }
.sc-q.invalid legend { color: var(--red); }
.sc-q.invalid .seg span { border-color: var(--red); }
.sc-form .submit-row { margin-top: 28px; }
.sc-result { padding: 32px; outline: none; }
.sc-label { font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.sc-result h3 { font-size: 26px; margin-top: 8px; }
.sc-result[data-route="fit"] h3 { color: var(--red); }
.sc-result > p { margin-top: 12px; font-size: 18px; color: var(--ink-2); }
.sc-gaps { margin: 20px 0 0; padding: 18px 20px 18px 38px; background: var(--fill); border-radius: 12px; display: grid; gap: 8px; font-size: 16px; line-height: 1.45; }
.sc-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.sc-mail { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.sc-mail label { display: block; font-size: 15px; font-weight: 600; margin-bottom: 10px; }
.sc-mail-row { display: flex; gap: 10px; flex-wrap: wrap; }
.sc-mail input { flex: 1 1 240px; min-width: 0; font: inherit; font-size: 16px; border: 1.5px solid var(--line); border-radius: var(--r-btn); padding: 12px 14px; }
.sc-mail input:focus { outline: none; border-color: var(--ink); }
.sc-mail input.invalid { border-color: var(--red); }
.sc-fine, .sc-mail-done { margin-top: 10px; font-size: 13px; color: var(--ink-2); }
.sc-result .sc-note { margin-top: 24px; font-size: 14px; }
.linkbtn { font: inherit; color: var(--ink); background: none; border: 0; padding: 0; text-decoration: underline; cursor: pointer; }

/* Anfrageformular */
.inquiry .wrap { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 64px; align-items: start; }
.inq-intro p { margin-top: 20px; font-size: 19px; color: var(--ink-2); }
.inq-next { list-style: none; margin: 36px 0 0; padding: 0; counter-reset: s; display: grid; gap: 18px; }
.inq-next li { counter-increment: s; display: grid; grid-template-columns: 30px 1fr; gap: 2px 12px; font-size: 16px; line-height: 1.45; }
.inq-next li::before { content: counter(s); grid-row: span 2; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: var(--white); font-size: 14px; font-weight: 600; display: grid; place-items: center; }
.inq-next strong { font-weight: 600; }
.inq-next span { color: var(--ink-2); }
.inq-form, .inq-done { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-hero); padding: 32px; }
.inq-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.inq-form .wide { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; margin: 0; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { font-size: 14px; font-weight: 600; line-height: 1.35; padding: 0; }
.field .opt { font-weight: 400; color: var(--ink-2); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 16px; color: var(--ink); background: var(--white);
  border: 1.5px solid var(--line); border-radius: var(--r-btn); padding: 12px 14px; width: 100%;
}
.field select { appearance: none; padding-right: 40px; background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235B6470' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center / 12px 8px; }
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--red); }
.seg { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 2px; }
.seg label { cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px; }
.seg span { display: inline-block; font-size: 15px; padding: 9px 18px; border: 1.5px solid var(--arrow); border-radius: 999px; }
.seg input:checked + span { border-color: var(--ink); background: var(--ink); color: var(--white); }
.seg input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.consent { display: grid; grid-template-columns: 22px 1fr; gap: 12px; font-size: 14px; line-height: 1.5; color: var(--ink-2); cursor: pointer; }
.consent input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--ink); }
.consent.invalid span { color: var(--red); }
.submit-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-error { font-size: 14px; color: var(--red); }
.inq-done h3 { font-size: 24px; }
.inq-done p { margin-top: 10px; color: var(--ink-2); }
.inq-done .mocknote { font-size: 13px; }

/* Von logicline */
.about .wrap { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: start; }
.about .logo-ll { width: 200px; margin-top: 8px; }
.about p + p { margin-top: 16px; }
.about p { color: var(--ink-2); font-size: 19px; }
.about .links { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* FAQ */
.faq { max-width: 880px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 48px 22px 0; font-size: 19px; font-weight: 500; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 8px; top: 18px; font-size: 26px; font-weight: 400; color: var(--ink-2); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 48px 24px 0; color: var(--ink-2); font-size: 17px; }

/* CTA-Band */
.cta-band { background: var(--ink); color: var(--white); border: 0; }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band p { color: #B9C0C9; margin-top: 14px; font-size: 19px; max-width: 640px; }
.cta-band .ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* Footer */
.site-footer { padding: 40px 0 48px; font-size: 15px; color: var(--ink-2); border-top: 1px solid var(--line); }
.site-footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.site-footer .wordmark { font-size: 24px; }
.site-footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }

/* Responsive */
@media (max-width: 1080px) {
  .hero .wrap, .bt-grid, .about .wrap { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .inquiry .wrap { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .player { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .player .clip { order: -1; }
  .clip-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .facts ul { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr; gap: 0; }
  .flow-arrow { height: 56px; }
  .flow-arrow svg { transform: rotate(90deg); }
  .nav a:not(.btn) { display: none; }
}
@media (max-width: 720px) {
  :root { --gutter: 16px; }
  body { font-size: 17px; }
  section { padding: 72px 0; }
  .hero { padding: 48px 0 64px; }
  .hero .lead { font-size: 19px; }
  .grid-4, .grid-2, .compare, .facts ul, .bt-terms { grid-template-columns: 1fr; }
  .inq-form { grid-template-columns: minmax(0, 1fr); padding: 20px; gap: 16px; }
  .sc-form { padding: 4px 20px 24px; }
  .sc-result { padding: 24px 20px; }
  .sc-q .seg { padding-left: 0; }
  .sc-q legend { font-size: 16px; grid-template-columns: 26px 1fr; }
  .clip-tabs { grid-template-columns: 1fr; gap: 8px; }
  .clip-tab { padding: 12px 14px; }
  .clip-tab span:last-child { display: none; }
  .clip video { border-radius: var(--r-chip); }
  .brand .by { display: none; }
  .wordmark { font-size: 28px; }
  .diag { padding: 20px; }
  .compare .side, .bt-box { padding: 24px; }
  .section-head { margin-bottom: 40px; }
}