/* ==========================================================================
   WILO-Konzeptstudie · Speaking-Waters-Kampagne (Klon der pco-Struktur)
   Designsystem: Nerdstack, bezogen über BYQ Supply
   (marketplace/cmoq46l290001vry7gvahjuzd) — Tokens 1:1 übernommen.
   Sections nachgebaut nach: nerdstack-hero-2, -value-features-12,
   -value-features-11, -value-features-6, -cta-2, -footer-1.
   Einzige Abweichung: der Brand-Akzent-Slot (im System Violet Quill)
   trägt WILO-Grün #009C82. Die sechs Pastelltöne behalten ihre Rollen.
   ========================================================================== */

:root {
  --color-ash-depth: #ececec;   --color-cache-sand: #f4e7c7;
  --color-core-coral: #ed7472;  --color-lift-white: #ffffff;
  --color-linen-base: #f6f3f0;  --color-packet-sky: #d7e9ff;
  --color-paper-cream: #f7f6f5; --color-syntax-mint: #ccfdcf;
  --color-midnight-ink: #231f23; --color-qubit-orchid: #cebffa;
  --color-latency-peach: #ffe1d6; --color-obsidian-depth: #1a171a;
  --color-graphite-lift: #322d32;
  --color-brand: #009C82;

  --ink-64: #231f23a3; --ink-48: #231f237a; --ink-32: #231f2352;
  --ink-16: #231f2329; --ink-8: #231f2314;
  --light-64: #f7f6f5a3; --light-48: #f7f6f57a; --light-16: #f7f6f529; --light-8: #f7f6f514;

  --font-mono: "Fragment Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-text: "StackSans text Variable", Arial, sans-serif;
  --font-head: "StackSans headline Variable", Arial, sans-serif;
  --text-caption: 10px; --tracking-caption: .75px;
  --text-body-sm: 13px; --text-body: 16px; --text-body-lg: 20px;
  --text-heading-sm: 20px; --text-heading: 32px; --text-heading-lg: 40px;
  --text-display-sm: 48px; --text-display: 64px;
  --h1-size: 64px; --h1-lh: 68px;

  --spacing-4: 4px;  --spacing-8: 8px;  --spacing-12: 12px; --spacing-16: 16px;
  --spacing-20: 20px; --spacing-24: 24px; --spacing-32: 32px; --spacing-48: 48px;
  --spacing-64: 64px; --spacing-80: 80px; --spacing-120: 120px; --spacing-160: 160px;

  --radius-cards: 20px; --radius-buttons: 8px; --radius-inputs: 8px;
  --radius-tags: 8px;   --radius-inner: 12px;  --radius-pill: 999px;

  --shadow-card-soft: 0 4px 80px rgba(35,31,35,.08);
  --duration-ui: 300ms; --easing-ui: ease;
  --duration-tabs: 200ms; --easing-tabs: ease-in-out;
  --page-max: 1800px;
}

@font-face { font-family: 'Fragment Mono'; src: url('../fonts/FragmentMono-Regular.ttf') format('truetype'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'StackSans text Variable'; src: url('../fonts/StackSansText-VariableFont_wght.ttf') format('truetype'); font-weight: 300 500; font-display: swap; }
@font-face { font-family: 'StackSans headline Variable'; src: url('../fonts/StackSansHeadline-VariableFont_wght.ttf') format('truetype'); font-weight: 400 500; font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0; background: var(--color-paper-cream); color: var(--color-midnight-ink);
  font-family: var(--font-text); font-size: var(--text-body); line-height: 1.5; font-weight: 300;
}
/* System: Headlines immer Gewicht 400, negatives Tracking, nie fett */
h1, h2, h3 { font-family: var(--font-head); font-weight: 400; margin: 0; text-wrap: balance; }

.mono {
  font-family: var(--font-mono); font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption); text-transform: uppercase; line-height: 1.2;
}
.mono-12 { font-size: 12px; line-height: 16px; }

.wrap { width: 100%; max-width: var(--page-max); margin: 0 auto; padding: 0 var(--spacing-32); }
.narrow { max-width: 68rem; margin: 0 auto; }

/* Eintritts-Animationen (IntersectionObserver) */
.reveal { opacity: 0; transform: translateY(50px); transition: opacity .7s var(--easing-ui), transform .7s var(--easing-ui); }
.reveal.in { opacity: 1; transform: none; }

/* ==========================================================================
   Kopf und Fuß
   ========================================================================== */
.bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-16);
  padding: var(--spacing-20) var(--spacing-32); flex-wrap: wrap;
  border-bottom: 1px solid var(--ink-8); background: var(--color-paper-cream);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: baseline; gap: var(--spacing-8); text-decoration: none; }
.brand b { font-family: var(--font-head); font-weight: 500; font-size: 28px; letter-spacing: -1px; color: var(--color-brand); line-height: 1; }
.brand .mono { color: var(--ink-32); }
.bar-right { display: flex; align-items: center; gap: var(--spacing-20); flex-wrap: wrap; }
.bar-right .mono { color: var(--ink-64); }
.bar-tel { font-family: var(--font-mono); font-size: 12px; letter-spacing: .75px; color: var(--color-midnight-ink); text-decoration: none; }

.foot { padding: var(--spacing-64) 0 var(--spacing-48); background: var(--color-paper-cream); border-top: 1px solid var(--ink-8); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--spacing-48); margin-bottom: var(--spacing-48); }
.foot-col h4 { font-family: var(--font-mono); font-size: var(--text-caption); letter-spacing: var(--tracking-caption); text-transform: uppercase; color: var(--ink-32); margin: 0 0 var(--spacing-16); font-weight: 400; }
.foot-col a { display: block; color: var(--ink-64); text-decoration: none; font-size: var(--text-body-sm); margin-bottom: var(--spacing-8); }
.foot-col a:hover { color: var(--color-midnight-ink); }
.foot-about { color: var(--ink-64); font-size: var(--text-body-sm); line-height: 1.54; max-width: 22rem; margin: var(--spacing-16) 0 0; }
.foot-bottom { border-top: 1px solid var(--ink-8); padding-top: var(--spacing-24); display: flex; justify-content: space-between; gap: var(--spacing-16); flex-wrap: wrap; }
.foot-bottom .mono { color: var(--ink-32); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-8);
  border: none; border-radius: var(--radius-buttons); cursor: pointer; text-decoration: none;
  font-family: var(--font-text); font-weight: 400; font-size: var(--text-body);
  padding: var(--spacing-12) var(--spacing-16);
  transition: background var(--duration-ui) var(--easing-ui), color var(--duration-ui) var(--easing-ui);
}
.btn-primary { background: var(--color-midnight-ink); color: var(--color-paper-cream); }
.btn-primary:hover { background: var(--color-brand); }
.btn-ghost { background: var(--ink-8); color: var(--color-midnight-ink); }
.btn-ghost:hover { background: var(--color-midnight-ink); color: var(--color-paper-cream); }
.btn-light { background: var(--color-paper-cream); color: var(--color-midnight-ink); }
.btn-light:hover { background: var(--color-brand); color: var(--color-paper-cream); }
.btn:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 3px; }
.btn[disabled] { opacity: .4; cursor: default; }
.btn .arrow { width: 14px; height: 14px; flex: none; }
.btn.full { width: 100%; padding: var(--spacing-16); }

/* ==========================================================================
   Sektionskopf
   ========================================================================== */
.sec { padding: var(--spacing-120) 0; }
.sec-head { display: grid; gap: var(--spacing-16); justify-items: center; text-align: center; max-width: 42.5rem; margin: 0 auto var(--spacing-64); }
.sec-head.left { justify-items: start; text-align: left; margin-left: 0; }
.sec-label { display: inline-flex; align-items: center; gap: var(--spacing-8); color: var(--ink-64); }
.sec-label .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-brand); }
.sec h2 { font-size: var(--text-display-sm); line-height: 1.17; letter-spacing: -.5px; }
.sec-sub { margin: 0; font-size: var(--text-body-lg); line-height: 1.6; color: var(--ink-64); max-width: 34rem; }

/* ==========================================================================
   Hero (nerdstack-hero-2)
   ========================================================================== */
.hero { padding: var(--spacing-120) 0 var(--spacing-80); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; left: 6%; top: 4%;
  width: 600px; height: 600px; border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, var(--color-core-coral) 0%, var(--color-cache-sand) 45%, transparent 70%);
  opacity: .18; filter: blur(60px);
}
.hero > .wrap { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-64); margin-bottom: var(--spacing-80); }
.hero-left { display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start; gap: var(--spacing-64); padding-top: var(--spacing-64); }
.hero-block { display: flex; flex-direction: column; align-items: flex-start; gap: var(--spacing-32); }
.hero-text { display: flex; flex-direction: column; gap: var(--spacing-24); }

.hero-pill {
  display: inline-flex; align-items: center; gap: var(--spacing-8);
  background: var(--color-lift-white); border: 1px solid var(--ink-8);
  border-radius: var(--radius-pill); padding: 7px var(--spacing-12);
}
.hero-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-core-coral); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .3 } }

.hero h1 { max-width: 34rem; font-size: var(--h1-size); line-height: var(--h1-lh); letter-spacing: -1px; }
/* Wechselndes Schlusswort: senkrechte Laufbahn in fester Zeilenhöhe */
.swap { height: var(--h1-lh); overflow: hidden; display: block; }
.swap-track { display: flex; flex-direction: column; transition: transform .5s var(--easing-tabs); }
.swap-item { height: var(--h1-lh); line-height: var(--h1-lh); flex: none; color: var(--color-brand); white-space: nowrap; }

.hero-sub { max-width: 28rem; margin: 0; font-size: var(--text-body-lg); line-height: 1.6; color: var(--ink-64); }
.hero-ctas { display: flex; flex-wrap: wrap; align-items: center; gap: var(--spacing-12); }

/* Beleg-Zeile: gestapelte Pastellkacheln statt erfundener Kundenporträts */
.hero-proof { display: flex; flex-direction: column; align-items: flex-start; gap: var(--spacing-16); }
.stack-tiles { display: flex; }
.stack-tiles .t {
  width: 48px; height: 48px; border: 4px solid var(--color-paper-cream); border-radius: var(--radius-inner);
  display: grid; place-items: center; font-family: var(--font-head); font-weight: 500; font-size: 14px;
  color: var(--color-midnight-ink);
}
.stack-tiles .t + .t { margin-left: -12px; }
.hero-proof-text { color: var(--ink-64); font-size: var(--text-body); }

.hero-media {
  position: relative; width: 100%; height: 45rem; max-height: 80vh;
  border-radius: var(--radius-cards); overflow: hidden;
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: var(--spacing-12); padding: var(--spacing-32); background: var(--color-obsidian-depth);
}
.hero-media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(58% 50% at 20% 14%, var(--color-qubit-orchid) 0%, transparent 62%),
    radial-gradient(52% 46% at 84% 40%, var(--color-core-coral) 0%, transparent 64%),
    radial-gradient(46% 42% at 60% 88%, var(--color-cache-sand) 0%, transparent 66%);
  opacity: .32;
}
.hero-media > * { position: relative; z-index: 2; }
.media-tag {
  align-self: flex-start; padding: var(--spacing-8) var(--spacing-12);
  border: 1px solid var(--light-16); border-radius: var(--radius-inner);
  color: var(--color-paper-cream); backdrop-filter: blur(8px);
}

/* ==========================================================================
   Widget (System-Muster: heller Rahmen, dunkle Innenkarte)
   ========================================================================== */
.widget { padding: var(--spacing-8) var(--spacing-8) 0; border-radius: var(--radius-cards); background: var(--color-paper-cream); box-shadow: var(--shadow-card-soft); width: 25.38rem; max-width: 100%; }
.widget-inner { padding: var(--spacing-16); display: flex; flex-direction: column; gap: var(--spacing-16); border: 1px solid var(--light-8); border-radius: var(--radius-inner); background: var(--color-midnight-ink); color: var(--color-paper-cream); }
.widget-foot { padding: var(--spacing-16); }
.widget-foot .name { font-weight: 500; font-size: var(--text-body-sm); color: var(--color-midnight-ink); }
.widget-rule { background: var(--light-8); width: 100%; height: 1px; }
.widget-row { display: flex; align-items: center; gap: var(--spacing-8); font-size: var(--text-body-sm); }
.widget-row .muted { color: var(--light-64); }
.legend { display: flex; flex-wrap: wrap; gap: var(--spacing-8) var(--spacing-16); align-items: center; }
.legend .item { display: flex; align-items: center; gap: var(--spacing-8); }
.legend .swatch { width: 12px; height: 12px; border-radius: 50%; }
.bars { display: grid; gap: var(--spacing-4); }
.bars .bar { height: 12px; border-radius: var(--radius-tags); }
.stack { display: flex; flex-direction: column; gap: var(--spacing-12); }
.chip-grid { display: flex; flex-wrap: wrap; gap: var(--spacing-4); }
.chip { padding: 5px var(--spacing-8); border-radius: var(--radius-tags); background: var(--light-8); color: var(--color-paper-cream); font-family: var(--font-mono); font-size: var(--text-caption); letter-spacing: var(--tracking-caption); text-transform: uppercase; }
.tagline { padding: var(--spacing-4) var(--spacing-8); border-radius: var(--radius-tags); color: var(--color-midnight-ink); font-family: var(--font-mono); font-size: 12px; line-height: 16px; letter-spacing: var(--tracking-caption); text-transform: uppercase; display: inline-block; }
.icon-tile { width: 40px; height: 40px; flex: none; border-radius: var(--radius-inner); display: grid; place-items: center; color: var(--color-midnight-ink); font-family: var(--font-head); font-weight: 500; font-size: 15px; }

/* ==========================================================================
   Partner-Marquee
   ========================================================================== */
.marquee-wrap { max-width: 64rem; margin: 0 auto; }
.marquee-label { text-align: center; color: var(--ink-32); margin-bottom: var(--spacing-16); }
.marquee { width: 100%; position: relative; overflow: hidden; padding: var(--spacing-16) 0; }
.marquee::before, .marquee::after { content: ""; position: absolute; inset-block: 0; width: 80px; z-index: 1; }
.marquee::before { left: 0; background: linear-gradient(90deg, var(--color-paper-cream), transparent); }
.marquee::after { right: 0; background: linear-gradient(90deg, transparent, var(--color-paper-cream)); }
.marquee-track { display: flex; align-items: center; gap: var(--spacing-48); width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track, .marquee:focus-within .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0) } to { transform: translateX(-33.333%) } }
.marquee-set { display: flex; align-items: center; gap: var(--spacing-48); flex: none; }
.partner { font-family: var(--font-head); font-weight: 500; font-size: var(--text-heading-sm); letter-spacing: -.5px; color: var(--ink-32); white-space: nowrap; }

/* ==========================================================================
   Tabs (nerdstack-value-features-12)
   ========================================================================== */
.tabs { position: relative; }
.tabs-menu { position: absolute; left: 0; right: 0; z-index: 5; margin: var(--spacing-24) auto 0; display: flex; justify-content: center; align-items: center; gap: var(--spacing-4); padding: 0 var(--spacing-24); flex-wrap: wrap; }
.tab-btn {
  padding: var(--spacing-8) var(--spacing-12); border: 0; cursor: pointer; border-radius: var(--radius-buttons);
  background: transparent; color: var(--color-paper-cream);
  font-family: var(--font-text); font-weight: 400; font-size: 14px; line-height: 20px;
  transition: background var(--duration-tabs) var(--easing-tabs), color var(--duration-tabs) var(--easing-tabs);
}
.tab-btn:hover, .tab-btn[aria-selected="true"] { background: var(--color-paper-cream); color: var(--color-midnight-ink); }
.tab-btn:focus-visible { outline: 2px solid var(--color-paper-cream); outline-offset: 2px; }
.tab-panel { display: none; }
.tab-panel.active { display: grid; grid-template-columns: 70% auto; gap: var(--spacing-16); }

.stage {
  min-height: 32.5rem; border-radius: var(--radius-cards); overflow: hidden; position: relative;
  padding: var(--spacing-80) var(--spacing-32) var(--spacing-32);
  display: flex; justify-content: center; align-items: center; background: var(--color-obsidian-depth);
}
.stage::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60% 55% at 22% 18%, var(--bloom-a, #cebffa) 0%, transparent 62%),
    radial-gradient(55% 50% at 82% 78%, var(--bloom-b, #ed7472) 0%, transparent 64%);
  opacity: .3;
}
.stage > * { position: relative; z-index: 1; }

.para { border-radius: var(--radius-cards); overflow: hidden; background: var(--color-midnight-ink); color: var(--color-paper-cream); padding: var(--spacing-24); display: flex; flex-direction: column; gap: var(--spacing-12); }
.para .src { color: var(--light-64); }
.para-body { font-family: var(--font-mono); font-size: 12px; line-height: 20px; color: var(--light-64); margin: 0; white-space: pre-wrap; }
.para-body em { color: var(--color-paper-cream); font-style: normal; }

/* ==========================================================================
   Zahlen (nerdstack-value-features-11)
   ========================================================================== */
.stats { background: var(--color-linen-base); }
.stats-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--spacing-32); align-items: stretch; }
.data-card { background: var(--color-lift-white); border-radius: var(--radius-cards); box-shadow: var(--shadow-card-soft); overflow: hidden; }
.data-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr; }
.data-row > div { padding: var(--spacing-16) var(--spacing-20); border-bottom: 1px solid var(--ink-8); display: flex; align-items: center; }
.data-row:last-child > div { border-bottom: none; }
.data-head > div { background: var(--color-midnight-ink); }
.data-head .mono { color: var(--light-64); }
.data-cell-name { font-weight: 500; font-size: var(--text-body-sm); }
.data-cell-sub { color: var(--ink-64); font-size: var(--text-body-sm); }
.big-stat { background: var(--color-midnight-ink); color: var(--color-paper-cream); border-radius: var(--radius-cards); padding: var(--spacing-32); display: flex; flex-direction: column; justify-content: space-between; gap: var(--spacing-24); }
.big-stat .num { font-family: var(--font-head); font-weight: 400; font-size: var(--text-display); line-height: 1.06; letter-spacing: -1px; }
.big-stat .txt { color: var(--light-64); font-size: var(--text-body-sm); line-height: 1.54; }
.big-stat .txt em { color: var(--color-paper-cream); font-style: normal; }

/* ==========================================================================
   Leistungs-Grid (nerdstack-value-features-6)
   ========================================================================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-16); }
.feat { background: var(--color-lift-white); border-radius: var(--radius-cards); box-shadow: var(--shadow-card-soft); padding: var(--spacing-32); display: flex; flex-direction: column; gap: var(--spacing-16); }
.feat .ic { width: 48px; height: 48px; border-radius: var(--radius-inner); display: grid; place-items: center; font-family: var(--font-head); font-weight: 500; font-size: 18px; color: var(--color-midnight-ink); }
.feat h3 { font-size: var(--text-heading-sm); line-height: 1.2; }
.feat p { margin: 0; color: var(--ink-64); font-size: var(--text-body-sm); line-height: 1.54; }
.feat .lnk { color: var(--color-midnight-ink); text-decoration: none; font-size: var(--text-body-sm); font-weight: 500; margin-top: auto; }
.feat .lnk:hover { color: var(--color-brand); }

/* ==========================================================================
   Schluss-CTA (nerdstack-cta-2, ohne Formular)
   ========================================================================== */
.cta { padding: var(--spacing-120) 0; }
.cta-card { position: relative; overflow: hidden; background: var(--color-obsidian-depth); color: var(--color-paper-cream); border-radius: var(--radius-cards); padding: var(--spacing-80) var(--spacing-48); text-align: center; display: grid; gap: var(--spacing-24); justify-items: center; }
.cta-card::after {
  content: ""; position: absolute; left: 50%; top: 40%; transform: translate(-50%,-50%);
  width: 600px; height: 600px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, var(--color-core-coral) 0%, var(--color-cache-sand) 45%, transparent 70%);
  opacity: .28; filter: blur(60px);
}
.cta-card > * { position: relative; z-index: 2; }
.cta-card h2 { font-size: var(--text-display-sm); line-height: 1.17; letter-spacing: -.5px; max-width: 30rem; }
.cta-card p { margin: 0; color: var(--light-64); font-size: var(--text-body-lg); line-height: 1.6; max-width: 32rem; }
.cta-card .mono { color: var(--light-48); }

/* ==========================================================================
   Funnel-Seite
   ========================================================================== */
.funnel-page { background: var(--color-linen-base); min-height: calc(100vh - 74px); padding: var(--spacing-64) 0 var(--spacing-80); }
.funnel-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: var(--spacing-24); align-items: start; max-width: 68rem; margin: 0 auto; }
.funnel-head { max-width: 42.5rem; margin: 0 auto var(--spacing-48); text-align: center; display: grid; gap: var(--spacing-16); justify-items: center; }
.funnel-head h1 { font-size: var(--text-display-sm); line-height: 1.17; letter-spacing: -.5px; }
.funnel-head p { margin: 0; font-size: var(--text-body-lg); line-height: 1.6; color: var(--ink-64); max-width: 34rem; }

.card { background: var(--color-lift-white); border-radius: var(--radius-cards); box-shadow: var(--shadow-card-soft); }
.card-pad { padding: var(--spacing-24); }
.side-stack { display: grid; gap: var(--spacing-16); }

.deadline-head { padding: var(--spacing-24) var(--spacing-24) var(--spacing-12); }
.deadline-head .mono { color: var(--ink-32); }
.deadline-num { font-family: var(--font-head); font-weight: 400; font-size: var(--text-heading-lg); line-height: 1.2; letter-spacing: -.5px; color: var(--color-core-coral); font-variant-numeric: tabular-nums; margin-top: var(--spacing-4); }
.timeline { display: flex; gap: 3px; padding: 0 var(--spacing-24) var(--spacing-20); }
.seg { height: 5px; flex: 1; border-radius: var(--radius-tags); background: var(--ink-8); }
.seg.done { background: var(--color-brand); }
.seg.over { background: var(--color-core-coral); }
.deadline-foot { border-top: 1px solid var(--ink-8); padding: var(--spacing-16) var(--spacing-24); font-size: var(--text-body-sm); color: var(--ink-64); line-height: 1.54; }
.deadline-foot b { font-weight: 500; color: var(--color-midnight-ink); }

.thresholds { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-12); }
.th-k { font-family: var(--font-head); font-weight: 400; font-size: var(--text-heading); line-height: 1.25; letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.th-l { font-size: var(--text-body-sm); color: var(--ink-64); margin-top: var(--spacing-4); line-height: 1.4; }
.th-or { color: var(--color-brand); font-family: var(--font-mono); font-size: var(--text-caption); letter-spacing: var(--tracking-caption); text-transform: uppercase; }

.proof { display: grid; gap: var(--spacing-12); }
.proof-row { display: flex; gap: var(--spacing-12); align-items: flex-start; font-size: var(--text-body-sm); color: var(--ink-64); line-height: 1.54; }
.proof-row b { font-weight: 500; color: var(--color-midnight-ink); }
.tile { flex: none; width: 24px; height: 24px; border-radius: var(--radius-tags); display: grid; place-items: center; font-size: 11px; color: var(--color-midnight-ink); }
.tile.mint { background: var(--color-syntax-mint); }
.tile.sky { background: var(--color-packet-sky); }
.tile.orchid { background: var(--color-qubit-orchid); }

/* ==========================================================================
   Quiz
   ========================================================================== */
.quiz { background: var(--color-lift-white); border-radius: var(--radius-cards); box-shadow: var(--shadow-card-soft); padding: var(--spacing-32); }
.progress { display: flex; gap: var(--spacing-4); margin-bottom: var(--spacing-32); }
.pstep { height: 3px; flex: 1; border-radius: var(--radius-tags); background: var(--ink-8); transition: background var(--duration-ui) var(--easing-ui); }
.pstep.on { background: var(--color-brand); }
.step { display: none; }
.step.active { display: block; animation: fade .3s var(--easing-ui); }
@keyframes fade { from { opacity: 0; transform: translateY(8px) } to { opacity: 1; transform: none } }
.qnum { color: var(--ink-32); margin-bottom: var(--spacing-12); }
.q { font-size: var(--text-heading); line-height: 1.25; margin-bottom: var(--spacing-8); }
.q:focus { outline: none; }
.qhint { font-size: var(--text-body-sm); color: var(--ink-64); margin: 0 0 var(--spacing-24); line-height: 1.54; }

.opts { display: grid; gap: var(--spacing-8); }
.opt {
  display: flex; align-items: center; gap: var(--spacing-12); width: 100%; text-align: left;
  background: var(--color-lift-white); border: 1px solid var(--ink-16); border-radius: var(--radius-buttons);
  padding: var(--spacing-16); cursor: pointer; font-family: var(--font-text); font-weight: 300;
  font-size: var(--text-body); color: var(--color-midnight-ink);
  transition: border-color var(--duration-ui) var(--easing-ui), background var(--duration-ui) var(--easing-ui);
}
.opt:hover { border-color: var(--color-brand); }
.opt:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 2px; }
.opt.sel { border-color: var(--color-brand); background: #009C820f; }
.opt .key { flex: none; width: 24px; height: 24px; border-radius: var(--radius-tags); background: var(--color-ash-depth); display: grid; place-items: center; font-family: var(--font-mono); font-size: 12px; color: var(--ink-64); }
.opt.sel .key { background: var(--color-brand); color: var(--color-lift-white); }
.opt small { display: block; color: var(--ink-32); font-size: var(--text-body-sm); margin-top: 2px; }
.back { background: none; border: none; cursor: pointer; padding: var(--spacing-8) 0; margin-top: var(--spacing-16); font-family: var(--font-text); font-weight: 300; font-size: var(--text-body-sm); color: var(--ink-64); }
.back:hover { color: var(--color-midnight-ink); }

.fields { display: grid; gap: var(--spacing-16); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-16); }
.field label { display: block; color: var(--ink-64); margin-bottom: var(--spacing-8); }
.field input, .field select { width: 100%; background: var(--color-ash-depth); border: 1px solid transparent; border-radius: var(--radius-inputs); padding: var(--spacing-12) var(--spacing-16); font-family: var(--font-text); font-weight: 300; font-size: var(--text-body); color: var(--color-midnight-ink); }
.field input:focus, .field select:focus { outline: none; border-color: var(--color-brand); background: var(--color-lift-white); }
.field input.err { border-color: var(--color-core-coral); }
.consent { display: flex; gap: var(--spacing-12); align-items: flex-start; margin-top: var(--spacing-16); font-size: var(--text-body-sm); color: var(--ink-64); line-height: 1.54; }
.consent input { margin-top: 3px; accent-color: var(--color-brand); }
.consent a { color: var(--color-midnight-ink); }

.badge { display: inline-flex; align-items: center; border-radius: var(--radius-tags); padding: 6px var(--spacing-12); margin-bottom: var(--spacing-16); font-family: var(--font-mono); font-size: 12px; letter-spacing: var(--tracking-caption); text-transform: uppercase; color: var(--color-midnight-ink); }
.badge.hoch { background: var(--color-latency-peach); }
.badge.mittel { background: var(--color-packet-sky); }
.badge.frei { background: var(--color-syntax-mint); }
.well { background: var(--color-paper-cream); border-radius: var(--radius-cards); padding: var(--spacing-20) var(--spacing-24); margin: var(--spacing-16) 0; font-size: var(--text-body-sm); color: var(--ink-64); line-height: 1.54; }
.well b { font-weight: 500; color: var(--color-midnight-ink); }
.next { display: grid; gap: var(--spacing-12); margin: var(--spacing-20) 0 0; padding: 0; list-style: none; }
.next li { display: flex; gap: var(--spacing-12); font-size: var(--text-body-sm); line-height: 1.54; }
.next .n { flex: none; width: 22px; height: 22px; border-radius: var(--radius-tags); background: var(--color-brand); color: var(--color-lift-white); display: grid; place-items: center; font-family: var(--font-mono); font-size: 11px; }
.alt { font-size: var(--text-body-sm); color: var(--ink-64); text-align: center; margin-top: var(--spacing-16); }
.alt a { color: var(--color-midnight-ink); font-weight: 500; }
.fine { font-size: var(--text-body-sm); color: var(--ink-32); line-height: 1.54; margin-top: var(--spacing-16); }

/* ==========================================================================
   Responsiv
   ========================================================================== */
@media (max-width: 1100px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-32); }
}
@media (max-width: 991px) {
  :root { --h1-size: 48px; --h1-lh: 54px; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--spacing-48); }
  .hero-left { padding-top: 0; gap: var(--spacing-48); }
  .hero-media { height: 30rem; }
  .tab-panel.active { grid-template-columns: 1fr; }
  .para { min-height: 13.75rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  /* Einspaltig gehört das Quiz nach oben — es ist der Zweck dieser Seite.
     Die Belege stützen die Entscheidung, sie gehen ihr nicht voraus. */
  .funnel-grid { grid-template-columns: 1fr; }
  .funnel-grid > .quiz { order: -1; }
  .sec, .cta { padding: var(--spacing-80) 0; }
}
@media (max-width: 767px) {
  :root { --h1-size: 40px; --h1-lh: 46px; }
  .wrap { padding: 0 var(--spacing-16); }
  .bar { padding: var(--spacing-16); flex-wrap: nowrap; }
  .bar-right .mono { display: none; }
  .brand b { font-size: 24px; }
  .hero { padding: var(--spacing-48) 0; }
  .hero-media { height: 22.5rem; padding: var(--spacing-20); }
  .sec, .cta { padding: var(--spacing-48) 0; }
  .sec-head { margin-bottom: var(--spacing-32); }
  .sec h2, .funnel-head h1, .cta-card h2 { font-size: var(--text-heading); line-height: 1.25; }
  .sec-sub, .funnel-head p, .cta-card p { font-size: var(--text-body); }
  .tabs-menu { padding: 0 var(--spacing-12); margin-top: var(--spacing-20); gap: 2px; }
  .tab-btn { font-size: 12px; line-height: 16px; padding: var(--spacing-8); border-radius: var(--radius-tags); }
  .stage { min-height: 0; padding: var(--spacing-80) var(--spacing-20) var(--spacing-20); }
  .widget { width: 100%; }
  .quiz { padding: var(--spacing-20); }
  .q { font-size: var(--text-heading-sm); line-height: 1.2; }
  /* Handflächen sind breit, Daumen ungenau: CTAs mobil über die volle Breite */
  .hero-ctas { width: 100%; }
  .hero-ctas .btn, .cta-card .btn { width: 100%; padding: var(--spacing-16); }
  .big-stat .num { font-size: var(--text-display-sm); }
  .cta-card { padding: var(--spacing-48) var(--spacing-20); }
  .marquee-track, .marquee-set { gap: var(--spacing-32); }
  .funnel-page { padding: var(--spacing-32) 0 var(--spacing-48); }
  .data-row { grid-template-columns: 1fr; }
  .data-row > div { border-bottom: 1px solid var(--ink-8); }
  .data-head { display: none; }
}
@media (max-width: 479px) {
  .two, .thresholds { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-pill .dot, .marquee-track { animation: none; }
  .step.active { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; }
}

/* WILO-Konzeptstudie: Demo-Banner */
.demo-banner { position: sticky; top: 0; z-index: 60; background: var(--color-midnight-ink); color: var(--color-paper-cream); font-size: 13px; padding: 8px 16px; text-align: center; font-family: var(--font-text); }
.demo-banner strong { color: var(--color-cache-sand); }