/* Design 10/2026 c: Figtree + Markenfarbe #00B4D8 (07.10.2026 abends; das vorherige Hellblau biss sich mit der Bildmarke) */
/* ══ lueftungstool.de — Design 10/2026 ════════════════════════════════════════
   Gleiche Formensprache wie die Anwendung (app.lueftungstool.de, Block „DESIGN 10/2026“):
   IBM Plex (selbst gehostet, OFL), hell, EINE Akzentfarbe (Cyan der Marke) fuer Hauptaktion,
   aktiven Zustand und Fokus. Keine Leuchtschatten, keine Verlaufsflaechen, keine Versalien-Sperrschrift.
   CSP der Seite: style-src 'self', img-src 'self' -> keine Inline-Styles, keine data:-Bilder.
   ══════════════════════════════════════════════════════════════════════════════ */
/* Design 10/2026 b (07.10.2026): Figtree (OFL), variabel 300–900, selbst gehostet — vorher IBM Plex */
@font-face{font-family:'Figtree';font-style:normal;font-weight:300 900;font-display:swap;src:url('/assets/fonts/figtree.woff2') format('woff2');}

:root{
  --bg:#FFFFFF; --bg-alt:#F5F6F7; --surface:#FFFFFF; --surface-2:#F3F4F6;
  --line:#E4E7EA; --line-strong:#CDD2D7; --field-line:#8A949D;
  --ink:#11161A; --text:#3B444C; --dim:#5F6A74;
  /* #00B4D8 als Flaeche mit DUNKLER Schrift (7,6:1); als Text #00778C (5,2:1) — weiss auf #00B4D8 haette nur 2,5:1.
     Eine Farbfamilie (Farbton 189/190) mit Bildmarke, App-Symbol und Tool. */
  --brand:#00B4D8; --brand-hover:#00A3C4; --brand-strong:#00778C; --brand-soft:#E3F7FB; --brand-tint:rgba(0,180,216,.14); --on-brand:#06131C;
  --ok:#0E7A52; --ok-bg:#EAF7F1; --warn:#9A5800; --warn-bg:#FFF5E6; --warn-line:#F1CD8F;
  --dark:#11161A; --dark-2:#1A2026; --dark-text:#C5CCD2;
  --shadow:rgba(17,22,26,.07); --shadow-strong:rgba(17,22,26,.16);
  --sh-1:0 1px 2px var(--shadow);
  --sh-2:0 1px 2px var(--shadow),0 8px 24px -8px var(--shadow-strong);
  --sh-3:0 2px 6px var(--shadow),0 32px 64px -24px var(--shadow-strong);
  --r-sm:7px; --r:9px; --r-lg:14px;
  --f-sans:'Figtree',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --f-cond:'Figtree',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --f-mono:'Figtree',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px;}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--f-sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;}
h1,h2,h3{color:var(--ink);margin:0;font-family:var(--f-cond);font-weight:600;letter-spacing:-.01em;line-height:1.12;}
h1,h2{font-weight:500;letter-spacing:-.02em;}
p{margin:0;}
a{color:var(--brand-strong);}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg{display:block;}
::selection{background:var(--brand-tint);}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
.sprite{position:absolute;width:0;height:0;overflow:hidden;}
.i{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px;}
.narrow{max-width:820px;}
.anchor{display:block;}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--ink);color:#fff;padding:10px 14px;border-radius:var(--r);font-weight:600;text-decoration:none;}
.skip:focus{top:12px;}

/* ── Knoepfe ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border-radius:var(--r);
  border:1px solid transparent;font:600 15px/1.1 var(--f-sans);text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background .15s,border-color .15s,color .15s,box-shadow .15s;}
.btn .i{width:17px;height:17px;}
.btn--sm{min-height:36px;padding:0 14px;font-size:14px;}
.btn--lg{min-height:50px;padding:0 22px;font-size:16px;}
.btn--block{width:100%;}
.btn--primary{background:var(--brand);border-color:var(--brand);color:var(--on-brand);box-shadow:0 1px 2px var(--shadow),inset 0 1px 0 rgba(255,255,255,.14);}
.btn--primary:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:var(--on-brand);}
.btn--secondary{background:var(--surface);border-color:var(--line-strong);color:var(--ink);box-shadow:var(--sh-1);}
.btn--secondary:hover{background:var(--surface-2);border-color:var(--field-line);}
.btn--quiet{background:transparent;color:var(--text);}
.btn--quiet:hover{background:var(--surface-2);color:var(--ink);}
.btn--light{background:#fff;color:var(--ink);}
.btn--light:hover{background:#E9ECEF;}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.btn--outline-light:hover{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.06);}

/* ── Kopfzeile ── */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);-webkit-backdrop-filter:saturate(1.6) blur(14px);backdrop-filter:saturate(1.6) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .2s;}
.nav.is-stuck{border-bottom-color:var(--line);}
.nav__in{display:flex;align-items:center;gap:24px;min-height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;}
.brand__mark{width:28px;height:28px;fill:none;stroke:var(--brand);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;}
.brand__wm{font:700 21px/1 var(--f-sans);letter-spacing:-.4px;white-space:nowrap;}
.brand__wm i{font-style:normal;font-weight:400;color:var(--text);font-family:var(--f-sans);letter-spacing:-.3px;}
.nav__links{display:flex;gap:4px;margin-left:auto;}
.nav__links a{color:var(--text);text-decoration:none;font-size:15px;font-weight:500;padding:8px 12px;border-radius:var(--r-sm);}
.nav__links a:hover{color:var(--ink);background:var(--surface-2);}
.nav__cta{display:flex;align-items:center;gap:8px;}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;border-radius:var(--r);color:var(--ink);cursor:pointer;align-items:center;justify-content:center;}
.burger .i{width:22px;height:22px;}
.burger:hover{background:var(--surface-2);}
.mobile-menu{display:none;}

/* ── Hero ── */
.hero{position:relative;padding:72px 0 96px;overflow:hidden;}
.hero__bg{position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(ellipse 60% 55% at 78% 30%,var(--brand-tint),transparent 70%),
    linear-gradient(rgba(17,22,26,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(17,22,26,.045) 1px,transparent 1px);
  background-size:auto,44px 44px,44px 44px;
  -webkit-mask-image:linear-gradient(to bottom,#000 50%,transparent);mask-image:linear-gradient(to bottom,#000 50%,transparent);}
.hero__grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr);gap:56px;}
.hero__copy{max-width:780px;}
.pill{display:inline-flex;align-items:center;gap:8px;padding:5px 13px 5px 11px;border:1px solid var(--line);border-radius:999px;background:var(--surface);
  font-size:13.5px;font-weight:500;color:var(--text);box-shadow:var(--sh-1);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px var(--brand-tint);}
.hero h1{margin:22px 0 20px;font-size:clamp(40px,5.2vw,62px);line-height:1.03;letter-spacing:-.015em;}
.hero h1 .u{color:var(--brand-strong);}
.lead{font-size:18px;line-height:1.6;color:var(--text);}
.hero .lead{max-width:540px;}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.ticks{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;}
.ticks li{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--text);}
.ticks .i{width:16px;height:16px;color:var(--ok);stroke-width:2.2;}

/* Echte Ansichten der Anwendung (Bildschirmfotos, 10/2026) */
.win{position:relative;background:var(--surface);border:1px solid var(--line-strong);border-radius:12px;box-shadow:var(--sh-3);overflow:hidden;}
.win img{display:block;width:100%;height:auto;}
.win__bar{display:flex;align-items:center;justify-content:center;height:30px;background:var(--surface-2);border-bottom:1px solid var(--line);}
.win__bar span{padding:2px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font:500 11.5px var(--f-mono);color:var(--dim);}
.win--modal{border-radius:14px;}
.tel{position:absolute;width:170px;padding:6px;border-radius:28px;background:var(--dark);box-shadow:var(--sh-3);}
.tel img{display:block;width:100%;height:auto;border-radius:22px;}
.stage{position:relative;margin:0;padding:0 150px 56px 0;}
.stage .tel{right:0;bottom:0;width:230px;padding:7px;border-radius:34px;}
.stage .tel img{border-radius:27px;}
.stage__note{margin-top:14px;font-size:13px;color:var(--dim);}

/* ── Vertrauensband ── */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-alt);}
.band__in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 28px;padding-top:22px;padding-bottom:22px;}
.band__claim{font-size:14.5px;color:var(--text);max-width:520px;}
.band__chips{display:flex;flex-wrap:wrap;gap:8px;}
.band__chips li{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13.5px;font-weight:500;color:var(--ink);}
.band__chips .i{width:15px;height:15px;color:var(--brand);}

/* ── Abschnitte ── */
.sec{padding:104px 0;}
.sec--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.head{max-width:760px;margin-bottom:48px;}
.kicker{font-size:14px;font-weight:600;color:var(--brand-strong);margin-bottom:12px;}
.head h2,.split h2,.two h2{font-size:clamp(30px,3.4vw,42px);}
.head .lead{margin-top:16px;}
.b2b{margin-top:14px;font-size:14px;color:var(--dim);}
.grid3,.grid4{display:grid;gap:16px;}
.grid3{grid-template-columns:repeat(3,1fr);}
.grid4{grid-template-columns:repeat(4,1fr);}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);}
.tile__k{display:block;font-size:13px;font-weight:600;color:var(--dim);margin-bottom:10px;}
.tile h3{font-size:20px;margin-bottom:16px;}
.list{display:grid;gap:10px;}
.list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text);line-height:1.45;}
.list .i{margin-top:2px;color:var(--dim);}
.list--check .i{color:var(--ok);stroke-width:2.2;}
.tile--icon h3{font-size:19px;margin:16px 0 8px;}
.tile--icon p{font-size:15px;color:var(--text);}
.ico{width:42px;height:42px;border-radius:11px;background:var(--brand-soft);color:var(--brand-strong);display:inline-flex;align-items:center;justify-content:center;}
.ico .i{width:21px;height:21px;}
.tag{display:inline-block;margin-top:16px;padding:3px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);font-size:12.5px;font-weight:500;color:var(--text);}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:none;}
.step-c{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);}
.step-c__n{display:inline-block;font:500 13px var(--f-mono);color:var(--brand-strong);background:var(--brand-soft);padding:3px 9px;border-radius:6px;}
.step-c h3{font-size:20px;margin:16px 0 8px;}
.step-c p{font-size:15px;}
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:36px 32px;}
.feat .i{width:24px;height:24px;color:var(--brand);}
.feat h3{font-size:18px;margin:14px 0 6px;}
.feat p{font-size:15px;}

.split,.two{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.two{align-items:start;}
.split .lead,.two .lead{margin-top:16px;}
.convert{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;}
.sheet{aspect-ratio:3/4;border-radius:12px;padding:22px 18px;display:flex;flex-direction:column;gap:12px;}
.sheet--paper{background:#FBFAF6;border:1px solid #E6E1D6;transform:rotate(-2deg);box-shadow:var(--sh-1);}
.sheet--app{background:#fff;border:1px solid var(--line);box-shadow:var(--sh-3);}
.sheet__k{font-size:12.5px;font-weight:600;color:var(--dim);margin-bottom:6px;}
.ln{display:block;height:9px;border-radius:5px;background:#E3DED2;}
.sheet--app .ln{background:var(--surface-2);border:1px solid var(--line);height:16px;border-radius:5px;}
.sheet--app .ln.is-f{border-color:var(--field-line);background:#fff;}
.w5{width:50%;} .w6{width:60%;} .w7{width:70%;} .w8{width:80%;} .w9{width:92%;}
.convert__arrow{width:40px;height:40px;border-radius:50%;background:var(--brand);color:var(--on-brand);display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);}

/* ── Rundgang ── */
.kapnav{display:flex;flex-wrap:wrap;gap:8px;margin:-16px 0 56px;}
.kapnav a{padding:6px 13px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);font-size:14px;font-weight:500;text-decoration:none;box-shadow:var(--sh-1);}
.kapnav a:hover{border-color:var(--brand);color:var(--brand-strong);}
.kap{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--line);scroll-margin-top:84px;}
.kap:first-of-type{border-top:0;padding-top:0;}
.kap--rev{grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);}
.kap--rev .kap__text{order:2;}
.kap__n{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--brand-strong);margin-bottom:12px;}
.kap__n b{font:500 12.5px var(--f-mono);color:var(--brand-strong);background:var(--brand-soft);padding:3px 8px;border-radius:6px;}
.kap h3{font-size:clamp(24px,2.4vw,30px);margin-bottom:14px;}
.kap__p{font-size:16.5px;line-height:1.6;}
.kap .list{margin-top:22px;}
.kap__bild{position:relative;margin:0;}
.kap__bild .tel{width:150px;right:-18px;bottom:-28px;}
.kap--rev .kap__bild .tel{right:auto;left:-18px;}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start;}
.duo .win:last-child{margin-top:48px;}

/* ── Protokolle (echte PDF-Seiten) ── */
.blaetter{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;}
.blatt{margin:0;}
.blatt a{display:block;border-radius:6px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-2);transition:transform .2s,box-shadow .2s;}
.blatt a:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.blatt img{display:block;width:100%;height:auto;}
.blatt figcaption{margin-top:12px;font-size:13.5px;color:var(--dim);line-height:1.4;}
.blatt figcaption b{display:block;font-size:15px;color:var(--ink);font-weight:600;}
.blaetter__note{margin-top:22px;font-size:13.5px;color:var(--dim);}

/* ── Regler (ROI + Nutzer) ── */
.ctrl__top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px;}
.ctrl__lab{font-size:15px;font-weight:500;color:var(--ink);}
.ctrl__val{font:600 20px var(--f-cond);color:var(--brand-strong);font-variant-numeric:tabular-nums;white-space:nowrap;}
.ctrl__scale{display:flex;justify-content:space-between;font-size:12.5px;color:var(--dim);margin-top:6px;}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:28px;background:transparent;cursor:pointer;margin:0;}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:var(--line-strong);}
input[type=range]::-moz-range-track{height:4px;border-radius:4px;background:var(--line-strong);}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;margin-top:-10px;border-radius:50%;background:var(--brand);border:3px solid #fff;box-shadow:0 0 0 1px var(--brand),var(--sh-2);}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--brand);border:3px solid #fff;box-shadow:0 0 0 1px var(--brand),var(--sh-2);}
input[type=range]:focus{outline:none;}
input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 1px var(--brand),0 0 0 6px var(--brand-tint);}
input[type=range]:focus-visible::-moz-range-thumb{box-shadow:0 0 0 1px var(--brand),0 0 0 6px var(--brand-tint);}
input[type=range]:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:6px;}

.roi{display:grid;grid-template-columns:1.1fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden;}
.roi__in{display:grid;gap:30px;padding:36px;}
.roi__out{display:grid;gap:20px;align-content:center;padding:36px;background:var(--bg-alt);border-left:1px solid var(--line);}
.out{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.out__k{font-size:15px;color:var(--text);}
.out__v{font:600 26px var(--f-cond);color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap;}
.out__v--big{font-size:38px;color:var(--brand-strong);}
.roi__foot{font-size:13.5px;color:var(--dim);line-height:1.55;}

/* ── Preise ── */
.promo{display:table;margin:-16px 0 28px;padding:7px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand-strong);font-size:14px;font-weight:600;}
.pusers{max-width:560px;margin-bottom:28px;padding:22px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);}
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch;}
.pcard{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px 26px;box-shadow:var(--sh-1);}
.pcard--hi{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint),var(--sh-2);}
.pcard__flag{position:absolute;top:-12px;left:22px;padding:3px 11px;border-radius:999px;background:var(--brand);color:var(--on-brand);font-size:12.5px;font-weight:600;}
.pcard__flag--soft{background:var(--ink);color:#fff;}
.pcard__name{font-size:22px;}
.pcard__amt{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px;margin-top:14px;}
.pcard__amt b{font:600 42px/1.05 var(--f-cond);color:var(--ink);letter-spacing:-.01em;font-variant-numeric:tabular-nums;}
.pcard__amt span{font-size:14px;color:var(--dim);}
.pcard__was{min-height:0;margin-top:6px;font-size:13px;color:var(--dim);}
.pcard__was:empty{display:none;}
.pcard__sub{margin-top:8px;font-size:14.5px;color:var(--text);font-weight:500;}
.pcard .list{margin:22px 0 26px;padding-top:20px;border-top:1px solid var(--line);flex:1;align-content:start;}
.pcard .list li{font-size:14.5px;}
.pcard__direkt{display:block;text-align:center;margin-top:12px;font-size:14px;font-weight:500;}
.ptable{margin-top:40px;}
.ptable table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;font-size:15px;}
.ptable th,.ptable td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.ptable thead th{background:var(--bg-alt);font-size:13.5px;font-weight:600;color:var(--dim);}
.ptable tbody th{font-weight:500;color:var(--ink);}
.ptable tr:last-child th,.ptable tr:last-child td{border-bottom:0;}
.ptable td{font-variant-numeric:tabular-nums;}
.pfine{margin-top:14px;font-size:13.5px;color:var(--dim);line-height:1.6;}

/* ── Wartung & Sicherheit ── */
.mlist{display:grid;gap:20px;margin-top:32px;}
.mlist li{display:flex;gap:14px;}
.mlist .i{width:22px;height:22px;margin-top:2px;color:var(--brand);}
.mlist b{display:block;color:var(--ink);font-size:16px;}
.mlist p{font-size:15px;margin-top:2px;}
.slist{display:grid;gap:10px;margin-top:28px;}
.slist li{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);font-size:15px;color:var(--ink);box-shadow:var(--sh-1);}
.slist .i{color:var(--brand);}

/* ── FAQ ── */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 4px;cursor:pointer;list-style:none;font-size:17px;font-weight:500;color:var(--ink);}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .i{color:var(--dim);transition:transform .2s;}
.faq details[open] summary .i{transform:rotate(45deg);color:var(--brand);}
.faq summary:hover{color:var(--brand-strong);}
.faq details p{padding:0 4px 22px;font-size:15.5px;max-width:720px;}

/* ── Abschluss (dunkles Band) ── */
.final{position:relative;background:var(--dark);color:var(--dark-text);padding:96px 0;overflow:hidden;}
.final::before{content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(ellipse 50% 70% at 50% 0%,rgba(0,180,216,.20),transparent 70%),
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:auto,44px 44px,44px 44px;-webkit-mask-image:radial-gradient(ellipse 70% 90% at 50% 0%,#000 30%,transparent 80%);mask-image:radial-gradient(ellipse 70% 90% at 50% 0%,#000 30%,transparent 80%);}
.final__in{position:relative;text-align:center;max-width:760px;}
.final h2{color:#fff;font-size:clamp(32px,4vw,48px);}
.final .lead{color:var(--dark-text);margin-top:16px;}
.final .cta{justify-content:center;}
.final :focus-visible{outline-color:#7FDBEF;}

/* ── Fuss ── */
.foot{background:var(--surface);border-top:1px solid var(--line);padding:56px 0 28px;font-size:14.5px;}
.foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.foot__claim{margin-top:12px;color:var(--dim);max-width:280px;}
.foot__h{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:12px;}
.foot ul{display:grid;gap:8px;}
.foot a{color:var(--text);text-decoration:none;}
.foot a:hover{color:var(--brand-strong);text-decoration:underline;text-underline-offset:3px;}
.foot__bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);color:var(--dim);font-size:13.5px;}

/* ── Rechtstexte und Fehlerseiten (.legal; vorher .doc — kollidierte mit der Startseite) ── */
.legal{max-width:760px;margin:0 auto;padding:40px 24px 72px;}
.legal__back{display:inline-flex;align-items:center;gap:8px;margin-bottom:36px;color:var(--ink);text-decoration:none;font:700 19px/1 var(--f-sans);letter-spacing:-.4px;}
.legal__back::before{content:'←';font-family:var(--f-sans);font-weight:400;color:var(--dim);}
.legal h1{font-size:clamp(32px,4vw,42px);margin-bottom:24px;}
.legal h2{font-size:21px;margin:36px 0 10px;}
.legal p{font-size:16px;line-height:1.7;margin-bottom:12px;}
.legal__note{padding:14px 16px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-alt);}
.legal__foot{margin-top:48px;padding-top:20px;border-top:1px solid var(--line);font-size:14.5px;color:var(--dim);}

/* ── Einblenden (nur mit JavaScript; Hero sofort sichtbar) ── */
.js .rv{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.js .rv.in,.js .hero .rv{opacity:1;transform:none;}

/* ── Responsiv ── */
@media (max-width:1060px){
  .stage{padding:0 90px 44px 0;}
  .stage .tel{width:170px;}
  .kap{grid-template-columns:1fr;gap:32px;}
  .kap--rev .kap__text{order:0;}
  .kap__bild{max-width:720px;}
  .blaetter{grid-template-columns:repeat(3,minmax(0,1fr));}
  .hero__grid{grid-template-columns:1fr;gap:48px;}
  .hero .lead{max-width:640px;}
  .grid4,.feat{grid-template-columns:repeat(2,1fr);}
  .price{grid-template-columns:1fr 1fr;}
  .split,.two{grid-template-columns:1fr;gap:40px;}
  .roi{grid-template-columns:1fr;}
  .roi__out{border-left:0;border-top:1px solid var(--line);}
  .foot__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:820px){
  .nav__links,.nav__login{display:none;}
  .nav__cta{margin-left:auto;}
  .burger{display:inline-flex;}
  .mobile-menu.is-open{display:grid;gap:2px;padding:8px 20px 20px;border-top:1px solid var(--line);background:#fff;}
  .mobile-menu a{padding:13px 4px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:17px;font-weight:500;}
  .mobile-menu a.btn{margin-top:14px;border-bottom:0;color:#fff;justify-content:center;min-height:50px;}
  .grid3,.steps{grid-template-columns:1fr;}
  .price{grid-template-columns:1fr;max-width:480px;}
  .ptable{overflow-x:auto;}
  .ptable table{min-width:560px;}
}
@media (max-width:600px){
  .stage{padding:0 44px 32px 0;}
  .stage .tel{width:120px;padding:4px;border-radius:20px;}
  .stage .tel img{border-radius:16px;}
  .tel{width:120px;padding:4px;border-radius:20px;}
  .tel img{border-radius:16px;}
  .kap__bild .tel{width:104px;right:-6px;bottom:-20px;}
  .kap--rev .kap__bild .tel{left:auto;right:-6px;}
  .kap{padding:40px 0;}
  .kapnav{margin:-8px 0 36px;}
  .duo{grid-template-columns:1fr;}
  .duo .win:last-child{margin-top:0;}
  .blaetter{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:8px;margin:0 -18px;padding-inline:18px;}
  .blatt{flex:0 0 62%;scroll-snap-align:start;}
  .win__bar{height:24px;}
  .wrap{padding:0 18px;}
  .nav__in{min-height:60px;gap:12px;}
  .nav__try{display:none;}
  .brand__wm{font-size:19px;}
  .hero{padding:44px 0 64px;}
  .lead{font-size:17px;}
  .cta .btn{flex:1 1 100%;white-space:normal;text-align:center;line-height:1.25;padding-block:10px;} /* 320 px: langer Knopftext schob die Seite auf */
  .sec{padding:72px 0;}
  .head{margin-bottom:32px;}
  .grid4,.feat{grid-template-columns:1fr;}
  .feat{gap:28px;}
  .convert{grid-template-columns:1fr;justify-items:center;}
  .sheet{width:72%;}
  .convert__arrow{transform:rotate(90deg);}
  .roi__in,.roi__out{padding:24px 20px;}
  .out__v--big{font-size:32px;}
  .foot__grid{grid-template-columns:1fr;}
  .final{padding:72px 0;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition:none!important;animation:none!important;}
}
@media print{
  .nav,.final,.kapnav{display:none;}
  .js .rv{opacity:1;transform:none;}
}