/* =========================================================================
   Lüftungsservice Hahn – Landingpage Küchenabluftreinigung (VDI 2052)
   Schrift & Farben von lueftungsservice-hahn.de (Abel, Himmelblau #90d2f5,
   Graphit #535353), ergänzt um ein tiefes Hahn-Blau für dunkle Bänder.
   ========================================================================= */

:root {
  --white: #ffffff;
  --mist: #f2f6f9;
  --mist-2: #e8f0f5;
  --line: #d9e3ea;
  --sky: #90d2f5;
  --sky-soft: #e4f4fd;
  --sky-deep: #4fb3e8;
  --blue-950: #081f33;
  --blue-900: #0c2f4a;
  --blue-800: #0f3d60;
  --blue-700: #135483;
  --ink: #16212b;
  --graphite: #4a5056;
  --muted: #6c7780;
  --heat: #e2772d;
  --heat-deep: #c4471c;
  --ok: #2f9e6f;
  --star: #f5b301;

  --font: "Abel", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;

  --r-media: 28px;
  --r-card: 22px;
  --r-field: 16px;
  --pill: 999px;

  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --section: clamp(84px, 11vw, 148px);

  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--white);
  color: var(--graphite);
  font-family: var(--font);
  font-size: 19px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--sky-deep); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

h1, h2, h3, h4 { color: var(--ink); font-weight: 400; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(46px, 6vw, 84px); line-height: .98; letter-spacing: -0.035em; }
h2 { font-size: clamp(38px, 5vw, 64px); line-height: 1.02; letter-spacing: -0.03em; }
h3 { font-size: clamp(24px, 2.3vw, 30px); line-height: 1.12; }
p { margin: 0; }
strong { color: var(--ink); font-weight: 400; text-decoration: underline; text-decoration-color: var(--sky); text-decoration-thickness: 3px; text-underline-offset: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { position: relative; padding: var(--section) 0; }
.section--mist { background: var(--mist); }
.section-head { max-width: 760px; margin-bottom: clamp(44px, 6vw, 72px); }
.section-head p { margin-top: 22px; font-size: 21px; color: var(--muted); max-width: 620px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center p { margin-left: auto; margin-right: auto; }

/* Dunkles Hahn-Blau mit leichtem Verlauf */
.section--blue {
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(144, 210, 245, .22), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(79, 179, 232, .18), transparent 60%),
    linear-gradient(160deg, var(--blue-800) 0%, var(--blue-900) 55%, var(--blue-950) 100%);
  color: rgba(255, 255, 255, .78);
  overflow: hidden;
}
.section--blue h2, .section--blue h3 { color: #fff; }
.section--blue .section-head p { color: rgba(255, 255, 255, .7); }
.section--blue strong { color: #fff; }

/* Feine "Kanal"-Linien als Parallax-Hintergrund in blauen Bändern */
.duct-lines { position: absolute; inset: -20% 0; pointer-events: none; opacity: .5; }
.duct-lines path { fill: none; stroke: rgba(144, 210, 245, .16); stroke-width: 1.2; }

/* ------------------------------------------------------------ Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 54px; padding: 0 28px; border-radius: var(--pill); border: 0;
  font-size: 19px; letter-spacing: .01em; text-decoration: none; cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn--primary { background: var(--blue-700); color: #fff; box-shadow: 0 10px 30px -12px rgba(19, 84, 131, .7); }
.btn--primary:hover { background: var(--blue-800); transform: translateY(-1px); }
.btn--sky { background: var(--sky); color: var(--blue-950); }
.btn--sky:hover { background: #a9ddf8; transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn--ghost-light { background: rgba(255, 255, 255, .06); color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .25); }
.btn--ghost-light:hover { box-shadow: inset 0 0 0 1.5px #fff; }
.btn--wa svg { color: #25d366; }

/* ------------------------------------------------------------ Navigation */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s, box-shadow .3s, transform .35s var(--ease);
}
.nav.is-scrolled { background: rgba(255, 255, 255, .86); backdrop-filter: saturate(1.6) blur(18px); -webkit-backdrop-filter: saturate(1.6) blur(18px); box-shadow: 0 1px 0 var(--line); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 76px; }
.nav-logo img { height: 46px; width: auto; mix-blend-mode: multiply; }
.nav-links { display: flex; gap: 26px; margin-left: auto; list-style: none; padding: 0; }
.nav-links a { text-decoration: none; font-size: 17px; color: var(--graphite); transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-phone { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-size: 18px; color: var(--ink); white-space: nowrap; }
.nav-phone svg { width: 18px; height: 18px; color: var(--blue-700); }
.nav .btn { min-height: 44px; padding: 0 20px; font-size: 17px; }
@media (max-width: 1080px) { .nav-links { display: none; } .nav .btn { margin-left: auto; } }
@media (max-width: 640px) { .nav-phone span, .nav .btn { display: none; } .nav-logo img { height: 34px; } }

/* ------------------------------------------------------------ Hero */
.hero { position: relative; padding: calc(76px + clamp(48px, 7vw, 96px)) 0 clamp(56px, 7vw, 96px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(800px 520px at 82% 30%, var(--sky-soft), transparent 70%),
    linear-gradient(180deg, #fff 0%, #fff 70%, var(--mist) 100%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-intro { font-size: 19px; color: var(--blue-700); margin-bottom: 26px; display: flex; align-items: center; gap: 12px; }
.hero-intro .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(47, 158, 111, .5); animation: ping 2.4s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(47, 158, 111, .45); } 70%, 100% { box-shadow: 0 0 0 10px rgba(47, 158, 111, 0); } }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero h1 { font-size: clamp(46px, 5vw, 72px); }
.hero h1 .line > span { display: inline-block; transform: translateY(105%); animation: rise 1s var(--ease) forwards; }
.hero h1 .line:nth-child(2) > span { animation-delay: .12s; }
.hero h1 .line:nth-child(3) > span { animation-delay: .24s; color: var(--blue-700); }
@keyframes rise { to { transform: none; } }
.hero-lead { margin-top: 30px; font-size: clamp(19px, 1.6vw, 22px); max-width: 540px; color: var(--graphite); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 14px 28px; margin: 40px 0 0; padding: 0; list-style: none; font-size: 17px; color: var(--muted); }
.hero-proof li { display: flex; align-items: center; gap: 9px; }
.hero-proof svg { width: 20px; height: 20px; color: var(--blue-700); }
.hero-proof .stars { display: inline-flex; gap: 1px; color: var(--star); }
.hero-proof .stars svg { width: 16px; height: 16px; color: var(--star); }

.hero-visual { position: relative; aspect-ratio: 1 / 1.02; }
.hero-stage { position: absolute; inset: 0; border-radius: var(--r-media); background: linear-gradient(180deg, #fff, var(--mist)); box-shadow: inset 0 0 0 1px var(--line); overflow: hidden; }
.hero-stage svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.float-card {
  position: absolute; z-index: 2; display: flex; align-items: center; gap: 14px;
  padding: 14px 20px 14px 14px; border-radius: 20px;
  background: rgba(255, 255, 255, .9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px -24px rgba(12, 47, 74, .45), inset 0 0 0 1px rgba(217, 227, 234, .9);
  font-size: 16px; line-height: 1.25; color: var(--muted); will-change: transform;
}
.float-card b { display: block; font-weight: 400; font-size: 18px; color: var(--ink); }
.float-card .ic { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: var(--sky-soft); color: var(--blue-700); flex: none; }
.float-card .ic svg { width: 22px; height: 22px; }
.float-card--a { left: -6%; top: 3%; }
.float-card--b { right: -5%; bottom: 3%; }
.float-card--c { left: -6%; bottom: 3%; }
.float-card .stars { display: flex; gap: 1px; color: var(--star); }
.float-card .stars svg { width: 14px; height: 14px; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; width: 100%; margin: 0 auto; }
  .float-card--a { left: 0; } .float-card--b { right: 0; }
}
@media (max-width: 520px) { .float-card { font-size: 14px; padding: 10px 14px 10px 10px; } .float-card b { font-size: 16px; } .float-card .ic { width: 34px; height: 34px; } .float-card--a { left: 0; top: 2%; } .float-card--c { left: 0; bottom: 2%; } .float-card--b { display: none; } }

/* ------------------------------------------------------------ Trust-Leiste */
.trust { padding: 34px 0; background: var(--mist); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-row { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.badge {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 18px;
  background: #fff; box-shadow: inset 0 0 0 1px var(--line); text-decoration: none; font-size: 15.5px; line-height: 1.25; color: var(--muted);
}
.badge > span { min-width: 0; }
.badge b { display: block; color: var(--ink); font-weight: 400; font-size: 17px; hyphens: auto; overflow-wrap: break-word; }
.badge-seal { flex: none; width: 48px; height: 48px; }
button.badge { cursor: zoom-in; text-align: left; border: 0; transition: box-shadow .2s; }
button.badge:hover { box-shadow: inset 0 0 0 1.5px var(--sky-deep); }
@media (max-width: 1080px) { .trust-row { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 680px) { .trust-row { grid-template-columns: 1fr 1fr; } .badge:last-child { grid-column: 1 / -1; } }
@media (max-width: 420px) { .trust-row { grid-template-columns: 1fr; } }

.audience { display: flex; gap: 12px; margin-top: 22px; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.audience-track { display: flex; gap: 40px; flex: none; animation: marquee 38s linear infinite; padding-right: 40px; font-size: 18px; color: var(--muted); white-space: nowrap; }
.audience-track span { display: inline-flex; align-items: center; gap: 40px; }
.audience-track span::after { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--sky); }
@keyframes marquee { to { transform: translateX(-100%); } }

/* ------------------------------------------------------------ Fett-Zeitraffer */
.lapse { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: stretch; }
.lapse-stage { display: grid; place-items: center; position: relative; border-radius: var(--r-media); background: linear-gradient(180deg, #f7fafc, var(--mist-2)); box-shadow: inset 0 0 0 1px var(--line); overflow: hidden; min-height: 460px; }
.lapse-stage svg { width: 100%; height: 100%; }
.lapse-panel { display: flex; flex-direction: column; gap: 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 9px 16px; border-radius: var(--pill); border: 0; cursor: pointer; font-size: 16.5px;
  background: #fff; color: var(--graphite); box-shadow: inset 0 0 0 1.5px var(--line); transition: all .2s;
}
.chip:hover { box-shadow: inset 0 0 0 1.5px var(--sky-deep); }
.chip[aria-pressed="true"] { background: var(--ink); color: #fff; box-shadow: none; }
.field-label { font-size: 16px; color: var(--muted); margin-bottom: 12px; display: block; }

.range-wrap { position: relative; }
.range-value { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.range-value output { font-size: 44px; line-height: 1; color: var(--ink); letter-spacing: -0.02em; }
.range-value small { font-size: 16px; color: var(--muted); }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; border-radius: 8px; background: linear-gradient(90deg, var(--ok), #e9c43b 40%, var(--heat) 70%, var(--heat-deep)); outline: none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 30px; height: 30px; border-radius: 50%; background: #fff; box-shadow: 0 4px 14px rgba(12, 47, 74, .3), inset 0 0 0 7px var(--ink); cursor: grab; }
input[type="range"]::-moz-range-thumb { width: 30px; height: 30px; border: 0; border-radius: 50%; background: #fff; box-shadow: 0 4px 14px rgba(12, 47, 74, .3), inset 0 0 0 7px var(--ink); cursor: grab; }
.range-scale { display: flex; justify-content: space-between; font-size: 14px; color: var(--muted); margin-top: 10px; }

.verdict { border-radius: var(--r-card); padding: 26px 26px 24px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); transition: box-shadow .3s; }
.verdict-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.verdict-light { width: 14px; height: 14px; border-radius: 50%; background: var(--ok); transition: background .3s; box-shadow: 0 0 0 5px rgba(47, 158, 111, .15); }
.verdict h3 { font-size: 26px; }
.verdict p { font-size: 17.5px; }
.verdict[data-level="2"] .verdict-light { background: #e0b82e; box-shadow: 0 0 0 5px rgba(224, 184, 46, .18); }
.verdict[data-level="3"] .verdict-light { background: var(--heat); box-shadow: 0 0 0 5px rgba(226, 119, 45, .18); }
.verdict[data-level="4"] .verdict-light { background: var(--heat-deep); box-shadow: 0 0 0 5px rgba(196, 71, 28, .2); animation: ping-heat 1.6s infinite; }
.verdict[data-level="4"] { box-shadow: inset 0 0 0 1.5px rgba(196, 71, 28, .45); }
@keyframes ping-heat { 50% { box-shadow: 0 0 0 9px rgba(196, 71, 28, .08); } }
.verdict .btn { margin-top: 18px; }
.lapse-note { font-size: 14.5px; color: var(--muted); }
@media (max-width: 960px) { .lapse { grid-template-columns: 1fr; } .lapse-stage { min-height: 0; aspect-ratio: 4 / 3.2; } }

/* ------------------------------------------------------------ Risiken (blau) */
.risk-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 22px; }
.risk-lead {
  position: relative; border-radius: var(--r-media); padding: clamp(30px, 4vw, 48px); overflow: hidden;
  background: linear-gradient(160deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
  display: flex; flex-direction: column; justify-content: flex-end; min-height: 520px;
}
.risk-lead .flame { position: absolute; top: 34px; right: 34px; width: 46%; max-width: 260px; }
.risk-lead h3 { font-size: clamp(30px, 3.2vw, 42px); margin-bottom: 18px; max-width: 460px; }
.risk-lead p { max-width: 500px; }
.risk-list { display: grid; gap: 22px; }
.risk-item { border-radius: var(--r-card); padding: 28px 30px; background: rgba(255, 255, 255, .05); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1); display: grid; grid-template-columns: 54px 1fr; gap: 6px 20px; }
.risk-item .ic { grid-row: span 2; width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; background: rgba(144, 210, 245, .14); color: var(--sky); }
.risk-item .ic svg { width: 26px; height: 26px; }
.risk-item h3 { font-size: 24px; }
.risk-item p { font-size: 17.5px; }
.risk-quote { margin-top: 56px; display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, .12); }
.risk-quote blockquote { margin: 0; font-size: clamp(22px, 2.2vw, 28px); line-height: 1.3; color: #fff; max-width: 760px; }
.risk-quote cite { display: block; margin-top: 10px; font-style: normal; font-size: 16px; color: var(--sky); }
.avatar { width: 72px; height: 72px; border-radius: 50%; background: linear-gradient(135deg, var(--sky), var(--blue-700)); display: grid; place-items: center; color: #fff; font-size: 26px; flex: none; }
@media (max-width: 960px) { .risk-grid { grid-template-columns: 1fr; } .risk-lead { min-height: 0; } .risk-lead .flame { position: static; width: 150px; margin: 0 0 24px auto; } .risk-quote { grid-template-columns: auto 1fr; } .risk-quote .btn { grid-column: 1 / -1; justify-self: start; } }

/* ------------------------------------------------------------ Anlage-Explorer */
.explorer { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.explorer-stage { position: relative; border-radius: var(--r-media); background: var(--mist); box-shadow: inset 0 0 0 1px var(--line); overflow: hidden; }
.explorer-stage svg { width: 100%; height: auto; }
.hotspot { cursor: pointer; }
.hotspot circle.ring { fill: rgba(19, 84, 131, .12); transform-box: fill-box; transform-origin: center; animation: hs 2.4s infinite; }
.hotspot circle.core { fill: #fff; stroke: var(--blue-700); stroke-width: 3; transition: fill .2s; }
.hotspot text { fill: var(--blue-700); font-family: var(--font); font-size: 20px; text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.hotspot.is-active circle.core { fill: var(--blue-700); }
.hotspot.is-active text { fill: #fff; }
.hotspot:focus { outline: none; }
.hotspot:focus-visible circle.core { stroke: var(--sky-deep); stroke-width: 5; }
@keyframes hs { 0% { transform: scale(.8); opacity: 1; } 100% { transform: scale(1.9); opacity: 0; } }
.part-zone { opacity: 0; transition: opacity .3s, fill .3s; }
.explorer-tabs { display: flex; flex-direction: column; gap: 4px; }
.part-tab {
  display: grid; grid-template-columns: 40px 1fr; gap: 4px 16px; align-items: start; text-align: left;
  padding: 18px 20px; border: 0; border-radius: 18px; background: transparent; cursor: pointer; transition: background .25s;
}
.part-tab .n { grid-row: span 2; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; box-shadow: inset 0 0 0 1.5px var(--line); color: var(--blue-700); font-size: 17px; transition: all .25s; }
.part-tab b { font-weight: 400; font-size: 22px; color: var(--ink); line-height: 1.3; }
.part-tab p { font-size: 17px; color: var(--muted); max-height: 0; overflow: hidden; opacity: 0; transition: max-height .4s var(--ease), opacity .3s; }
.part-tab:hover { background: var(--mist); }
.part-tab[aria-selected="true"] { background: var(--mist); }
.part-tab[aria-selected="true"] .n { background: var(--blue-700); color: #fff; box-shadow: none; }
.part-tab[aria-selected="true"] p { max-height: 200px; opacity: 1; margin-top: 4px; }
@media (max-width: 960px) { .explorer { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ Ablauf */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; counter-reset: s; }
.steps-line { position: absolute; left: 0; right: 0; top: 27px; height: 2px; background: var(--line); }
.steps-line i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--sky), var(--blue-700)); transition: width .15s linear; }
.step { position: relative; }
.step-n { position: relative; z-index: 1; width: 56px; height: 56px; border-radius: 50%; background: #fff; box-shadow: inset 0 0 0 2px var(--line); display: grid; place-items: center; font-size: 22px; color: var(--ink); transition: all .4s var(--ease); }
.step.is-on .step-n { background: var(--blue-700); color: #fff; box-shadow: 0 0 0 8px rgba(144, 210, 245, .35); }
.step h3 { margin: 26px 0 12px; font-size: 26px; }
.step p { font-size: 17.5px; }
.step .tag { display: inline-block; margin-top: 16px; padding: 6px 14px; border-radius: var(--pill); background: var(--sky-soft); color: var(--blue-700); font-size: 15px; }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; gap: 34px; padding-left: 80px; }
  .steps-line { left: 27px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .steps-line i { width: 100%; height: 0; transition: height .15s linear; background: linear-gradient(180deg, var(--sky), var(--blue-700)); }
  .step-n { position: absolute; left: -80px; top: 0; }
  .step h3 { margin-top: 10px; }
}

/* ------------------------------------------------------------ Unterschied + Vorher/Nachher */
.diff { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 5vw, 80px); align-items: center; }
.ba { position: relative; aspect-ratio: 4 / 4.4; border-radius: var(--r-media); overflow: hidden; user-select: none; touch-action: pan-y; box-shadow: inset 0 0 0 1px var(--line); }
.ba .ba-layer { position: absolute; inset: 0; border-radius: 0; }
.ba-after { clip-path: inset(0 0 0 var(--pos, 50%)); justify-content: flex-end; }
.ba .ph figcaption { max-width: 44%; }
.ba-label { position: absolute; top: 18px; padding: 7px 14px; border-radius: var(--pill); font-size: 15px; background: rgba(255, 255, 255, .9); color: var(--ink); }
.ba-before .ba-label { left: 18px; }
.ba-after .ba-label { right: 18px; }
.ba-handle { position: absolute; top: 0; bottom: 0; left: var(--pos, 50%); width: 2px; margin-left: -1px; background: #fff; box-shadow: 0 0 20px rgba(0, 0, 0, .25); pointer-events: none; }
.ba-handle::after { content: ""; position: absolute; top: 50%; left: 50%; width: 52px; height: 52px; margin: -26px 0 0 -26px; border-radius: 50%; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316212b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 6l-6 6 6 6M15 6l6 6-6 6'/%3E%3C/svg%3E") center / 24px no-repeat; box-shadow: 0 6px 20px rgba(0, 0, 0, .25); }
.ba input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba input:focus-visible ~ .ba-handle::after { box-shadow: 0 0 0 4px var(--sky-deep); }

.extras { list-style: none; margin: 34px 0 0; padding: 0; display: grid; gap: 4px; }
.extras li { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 18px; }
.extras li:last-child { border-bottom: 0; }
.extras svg { width: 26px; height: 26px; color: var(--blue-700); margin-top: 2px; }
.extras b { display: block; font-weight: 400; font-size: 21px; color: var(--ink); margin-bottom: 2px; }
@media (max-width: 960px) { .diff { grid-template-columns: 1fr; } .ba { max-width: 560px; width: 100%; } }

/* Vergleich */
.compare { margin-top: clamp(64px, 8vw, 110px); border-radius: var(--r-media); background: var(--mist); padding: clamp(26px, 4vw, 48px); }
.compare h3 { font-size: clamp(28px, 3vw, 38px); margin-bottom: 28px; max-width: 640px; }
.compare-table { width: 100%; border-collapse: collapse; font-size: 18px; }
.compare-table th, .compare-table td { padding: 16px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare-table thead th { font-weight: 400; color: var(--muted); font-size: 16px; }
.compare-table thead th.us { color: var(--blue-700); }
.compare-table td.us { color: var(--ink); background: rgba(144, 210, 245, .16); }
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table td:first-child { color: var(--ink); width: 34%; }
.compare-table .y, .compare-table .n { display: inline-flex; gap: 8px; align-items: flex-start; }
.compare-table .y svg { color: var(--ok); width: 20px; height: 20px; flex: none; margin-top: 3px; }
.compare-table .n svg { color: #b4bec6; width: 20px; height: 20px; flex: none; margin-top: 3px; }
@media (max-width: 720px) {
  .compare-table thead { display: none; }
  .compare-table tr { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .compare-table td { display: block; border: 0; padding: 4px 0; width: auto !important; }
  .compare-table td.us { background: none; }
  .compare-table td:first-child { font-size: 20px; }
  .compare-table td[data-h]::before { content: attr(data-h) ": "; color: var(--muted); }
}

/* ------------------------------------------------------------ Bewertungen */
.reviews { background: linear-gradient(180deg, var(--sky-soft) 0%, #fff 100%); overflow: hidden; }
.rating-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 52px; }
.rating-score { display: flex; align-items: center; gap: 22px; }
.rating-score .big { font-size: clamp(72px, 9vw, 112px); line-height: .9; color: var(--ink); letter-spacing: -0.04em; }
.rating-score .stars { display: flex; gap: 3px; color: var(--star); }
.rating-score .stars svg { width: 26px; height: 26px; }
.rating-score small { display: block; margin-top: 8px; font-size: 16px; color: var(--muted); }
.g-logo { display: inline-flex; align-items: center; gap: 8px; font-size: 16px; color: var(--muted); }
.g-logo svg { width: 22px; height: 22px; }
.review-rail { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px var(--gutter) 24px; margin: 0 calc(var(--gutter) * -1); scrollbar-width: none; }
.review-rail::-webkit-scrollbar { display: none; }
.review { flex: 1 0 min(340px, 84vw); scroll-snap-align: start; border-radius: var(--r-card); background: #fff; padding: 30px; box-shadow: inset 0 0 0 1px var(--line); display: flex; flex-direction: column; gap: 18px; }
.review .stars { display: flex; gap: 2px; color: var(--star); }
.review .stars svg { width: 18px; height: 18px; }
.review p { font-size: 18.5px; color: var(--ink); flex: 1; }
.review-title { display: block; font-weight: 400; font-size: 21px; line-height: 1.3; color: var(--ink); margin-bottom: -6px; }
.review footer { display: flex; align-items: center; gap: 12px; font-size: 16px; color: var(--muted); }
.review footer .avatar { width: 42px; height: 42px; font-size: 17px; }
.review footer b { display: block; font-weight: 400; color: var(--ink); }
.placeholder-note { display: inline-block; font-size: 13px; padding: 3px 10px; border-radius: var(--pill); background: #fff4d6; color: #8a6200; }
.rail-ctrl { display: flex; gap: 10px; }
@media (min-width: 1100px) { .rail-ctrl { display: none; } }
.rail-ctrl button { width: 50px; height: 50px; border-radius: 50%; border: 0; background: #fff; box-shadow: inset 0 0 0 1.5px var(--line); cursor: pointer; display: grid; place-items: center; transition: box-shadow .2s; }
.rail-ctrl button:hover { box-shadow: inset 0 0 0 1.5px var(--ink); }
.rail-ctrl svg { width: 22px; height: 22px; }

/* ------------------------------------------------------------ Über Björn */
.about { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(36px, 5vw, 80px); align-items: center; }
.about-media { position: relative; }
.about-media .ph { aspect-ratio: 4 / 5; }
.about-sign { position: absolute; right: -18px; bottom: 32px; padding: 18px 24px; border-radius: 20px; background: #fff; box-shadow: 0 24px 60px -28px rgba(12, 47, 74, .5), inset 0 0 0 1px var(--line); font-size: 16px; color: var(--muted); }
.about-sign b { display: block; font-weight: 400; font-size: 22px; color: var(--ink); }
.about blockquote { margin: 30px 0 0; font-size: clamp(22px, 2vw, 26px); line-height: 1.4; color: var(--ink); }
.about-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.fact { padding-top: 18px; border-top: 2px solid var(--sky); }
.fact b { display: block; font-weight: 400; font-size: 34px; color: var(--ink); letter-spacing: -0.02em; line-height: 1.1; }
.fact span { font-size: 16px; color: var(--muted); }
.certs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 36px; }
.cert { display: flex; align-items: center; gap: 12px; min-width: 0; padding: 10px 14px 10px 10px; border-radius: 18px; border: 0; background: var(--mist); cursor: zoom-in; text-align: left; font-size: 15.5px; color: var(--muted); line-height: 1.25; transition: box-shadow .2s; }
.cert:hover { box-shadow: inset 0 0 0 1.5px var(--sky-deep); }
.cert img { width: 52px; height: 72px; object-fit: cover; object-position: top; border-radius: 6px; box-shadow: 0 2px 8px rgba(0, 0, 0, .12); }
.cert b { display: block; font-weight: 400; color: var(--ink); font-size: 17px; }
.cert > span { min-width: 0; }
@media (max-width: 420px) { .cert { font-size: 14px; } .cert b { font-size: 15.5px; } .cert img { width: 40px; height: 56px; } }
@media (max-width: 960px) { .about { grid-template-columns: 1fr; } .about-media { max-width: 520px; } .about-sign { right: 12px; } }
@media (max-width: 520px) { .about-facts { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ Bild-Platzhalter */
.ph {
  position: relative; border-radius: var(--r-media); overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(19, 84, 131, .045) 0 14px, transparent 14px 28px),
    linear-gradient(160deg, #dfeef7, #c9e1ef 60%, #b7d4e6);
  display: flex; align-items: flex-end;
}
.ph--dark { background: repeating-linear-gradient(135deg, rgba(255, 255, 255, .04) 0 14px, transparent 14px 28px), linear-gradient(160deg, #5a4a3a, #3a2f26 60%, #2a221c); }
.ph-inner { position: absolute; inset: 0; display: grid; place-items: center; }
.ph-inner svg { width: 56px; height: 56px; color: rgba(19, 84, 131, .35); }
.ph--dark .ph-inner svg { color: rgba(255, 255, 255, .25); }
.ph figcaption { position: relative; margin: 16px; padding: 8px 14px; border-radius: 12px; background: rgba(255, 255, 255, .88); font-size: 14px; line-height: 1.35; color: var(--graphite); max-width: 86%; }
.ph figcaption::before { content: "Platzhalter · "; color: var(--blue-700); }
.ph[data-parallax-img] .ph-inner { transform: translateY(var(--py, 0)); }
figure.ph { margin: 0; }

/* ------------------------------------------------------------ Formular (blau) */
.contact-grid { position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(36px, 5vw, 80px); align-items: start; }
.contact-copy h2 { margin-bottom: 24px; }
.promise { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 16px; }
.promise li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: center; font-size: 18px; }
.promise .ic { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: rgba(144, 210, 245, .15); color: var(--sky); }
.promise .ic svg { width: 22px; height: 22px; }
.promise b { color: #fff; font-weight: 400; }
.direct { margin-top: 40px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, .12); display: flex; flex-wrap: wrap; gap: 12px; }
.direct p { width: 100%; font-size: 16px; color: rgba(255, 255, 255, .6); }

.form-card { position: relative; border-radius: var(--r-media); background: #fff; color: var(--graphite); padding: clamp(24px, 3.4vw, 44px); box-shadow: 0 40px 100px -40px rgba(0, 0, 0, .6); }
.form-progress { display: flex; align-items: center; gap: 16px; margin-bottom: 30px; }
.form-progress .bar { flex: 1; height: 6px; border-radius: 6px; background: var(--mist-2); overflow: hidden; }
.form-progress .bar i { display: block; height: 100%; width: 25%; border-radius: 6px; background: linear-gradient(90deg, var(--sky), var(--blue-700)); transition: width .5s var(--ease); }
.form-progress span { font-size: 15px; color: var(--muted); white-space: nowrap; }
.fstep { border: 0; padding: 0; margin: 0; min-width: 0; }
.fstep[hidden] { display: none; }
.fstep.is-entering { animation: stepIn .45s var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateX(18px); } to { opacity: 1; transform: none; } }
.fstep legend { padding: 0; font-size: clamp(26px, 2.6vw, 32px); line-height: 1.15; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 8px; }
.fstep .hint { font-size: 16.5px; color: var(--muted); margin-bottom: 24px; }
.choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; margin: 0; }
.choice span { display: flex; align-items: center; gap: 12px; min-height: 64px; padding: 12px 16px; border-radius: 18px; box-shadow: inset 0 0 0 1.5px var(--line); font-size: 17.5px; color: var(--ink); line-height: 1.2; transition: box-shadow .2s, background .2s; }
.choice span svg { width: 26px; height: 26px; color: var(--blue-700); flex: none; }
.choice:hover span { box-shadow: inset 0 0 0 1.5px var(--sky-deep); }
.choice input:checked + span { background: var(--sky-soft); box-shadow: inset 0 0 0 2px var(--blue-700); }
.choice input:focus-visible + span { outline: 3px solid var(--sky-deep); outline-offset: 2px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fields .full { grid-column: 1 / -1; }
.field { position: relative; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 60px; padding: 24px 18px 8px; border: 0; border-radius: var(--r-field);
  background: var(--mist); box-shadow: inset 0 0 0 1.5px transparent; font-size: 18px; color: var(--ink); transition: box-shadow .2s, background .2s; -webkit-appearance: none; appearance: none;
}
.field textarea { min-height: 110px; resize: vertical; }
.field label { position: absolute; left: 18px; top: 18px; font-size: 18px; color: var(--muted); pointer-events: none; transition: all .18s var(--ease); }
.field input:focus, .field textarea:focus { outline: none; background: #fff; box-shadow: inset 0 0 0 1.5px var(--blue-700); }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label { top: 8px; font-size: 13.5px; color: var(--blue-700); }
.field.has-error input { box-shadow: inset 0 0 0 1.5px var(--heat-deep); background: #fff; }
.field .err { display: none; font-size: 14px; color: var(--heat-deep); margin: 6px 4px 0; }
.field.has-error .err { display: block; }
.consent { display: grid; grid-template-columns: 24px 1fr; gap: 12px; margin-top: 18px; font-size: 14.5px; line-height: 1.45; color: var(--muted); }
.consent input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--blue-700); }
.consent a { color: var(--blue-700); }
.consent.has-error { color: var(--heat-deep); }
.form-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 28px; }
.form-nav .back { background: none; border: 0; cursor: pointer; color: var(--muted); font-size: 17px; padding: 10px 4px; }
.form-nav .back:hover { color: var(--ink); }
.form-nav .btn { margin-left: auto; }
.form-trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 14.5px; color: var(--muted); }
.form-trust span { display: inline-flex; align-items: center; gap: 6px; }
.form-trust svg { width: 16px; height: 16px; color: var(--ok); }
.form-error { display: none; margin-top: 16px; padding: 14px 16px; border-radius: 14px; background: #fdeee8; color: var(--heat-deep); font-size: 16px; }
.form-error.is-on { display: block; }
.form-done { text-align: center; padding: 30px 0 10px; }
.form-done .check { width: 84px; height: 84px; margin: 0 auto 24px; }
.form-done .check circle { stroke: var(--ok); stroke-dasharray: 240; stroke-dashoffset: 240; animation: draw 0.8s var(--ease) forwards; }
.form-done .check path { stroke: var(--ok); stroke-dasharray: 60; stroke-dashoffset: 60; animation: draw .5s .6s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.form-done h3 { font-size: 32px; margin-bottom: 12px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.btn.is-loading { pointer-events: none; opacity: .75; }
.btn.is-loading::after { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 960px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .choices, .fields { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ FAQ */
.faq-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(36px, 5vw, 80px); align-items: start; }
.faq-grid .section-head { position: sticky; top: 110px; margin-bottom: 0; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 0; cursor: pointer; font-size: clamp(20px, 1.8vw, 23px); color: var(--ink); line-height: 1.3; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .pm { position: relative; width: 36px; height: 36px; border-radius: 50%; flex: none; box-shadow: inset 0 0 0 1.5px var(--line); transition: background .25s, box-shadow .25s; }
.faq-item summary .pm::before, .faq-item summary .pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 14px; height: 1.5px; margin: -.75px 0 0 -7px; background: var(--ink); transition: transform .3s var(--ease), background .25s; }
.faq-item summary .pm::after { transform: rotate(90deg); }
.faq-item[open] summary .pm { background: var(--blue-700); box-shadow: none; }
.faq-item[open] summary .pm::before, .faq-item[open] summary .pm::after { background: #fff; }
.faq-item[open] summary .pm::after { transform: rotate(0); }
.faq-body { padding: 0 60px 28px 0; font-size: 18px; }
.faq-body p + p { margin-top: 12px; }
@media (max-width: 960px) { .faq-grid { grid-template-columns: 1fr; } .faq-grid .section-head { position: static; } .faq-body { padding-right: 0; } }

/* ------------------------------------------------------------ Schluss-CTA + Footer */
.final { text-align: center; }
.final h2 { max-width: 900px; margin: 0 auto; }
.final p { max-width: 640px; margin: 24px auto 0; font-size: 21px; color: var(--muted); }
.final .hero-cta { justify-content: center; }
.footer { background: var(--mist); padding: 56px 0 40px; font-size: 16px; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 32px; }
.footer img { height: 40px; width: auto; mix-blend-mode: multiply; margin-bottom: 16px; }
.footer h4 { font-size: 17px; color: var(--ink); margin-bottom: 12px; letter-spacing: 0; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.footer-bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 14.5px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ Mobile-Aktionsleiste */
.mbar { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; display: none; gap: 8px; padding: 8px; border-radius: 22px; background: rgba(255, 255, 255, .92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: 0 16px 40px -12px rgba(12, 47, 74, .45), inset 0 0 0 1px var(--line); transform: translateY(140%); transition: transform .4s var(--ease); }
.mbar.is-on { transform: none; }
.mbar a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 4px; border-radius: 14px; text-decoration: none; font-size: 14px; color: var(--ink); }
.mbar a svg { width: 22px; height: 22px; color: var(--blue-700); }
.mbar a.wa svg { color: #25d366; }
.mbar a.main { flex: 1; min-height: 50px; flex-direction: row; justify-content: center; gap: 8px; background: var(--blue-700); color: #fff; font-size: 16px; }
.mbar a.main svg { color: #fff; }
@media (max-width: 760px) { .mbar { display: flex; } body { padding-bottom: 84px; } }

/* ------------------------------------------------------------ Lightbox */
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(720px, 92vw); max-height: 92vh; }
.lightbox::backdrop { background: rgba(8, 31, 51, .78); backdrop-filter: blur(6px); }
.lightbox img { width: 100%; height: auto; max-height: 86vh; object-fit: contain; border-radius: 16px; background: #fff; }
.lightbox button { position: absolute; top: 10px; right: 10px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: #fff; cursor: pointer; font-size: 26px; line-height: 1; color: var(--ink); box-shadow: 0 4px 14px rgba(0, 0, 0, .2); }

/* ------------------------------------------------------------ Scroll-Reveal (einmalig, dezent) */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .hero h1 .line > span { transform: none; }
  .audience-track { animation: none; }
}