/* ==========================================================================
   AK.E-Scooter  |  style.css
   Palette: Volt #FED700, Zitrone #FAE661, Beton #CDCDCD, Stahl #828282, Asphalt #646464
   Tinte (#2B2B2B) ist eine Stufe dunkler auf derselben Grau-Skala, nur für Text.
   ========================================================================== */

/* ---------- Schrift (lokal gehostet, keine Verbindung zu Google) ---------- */
@font-face {
  font-family: "Saira Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 50% 125%;
  src: url("../fonts/saira-latin-ext-standard-normal.woff2") format("woff2-variations"),
       url("../fonts/saira-latin-ext-standard-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Saira Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 50% 125%;
  src: url("../fonts/saira-latin-standard-normal.woff2") format("woff2-variations"),
       url("../fonts/saira-latin-standard-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */
:root {
  --volt: #FED700;
  --zitrone: #FAE661;
  --beton: #CDCDCD;
  --stahl: #828282;
  --asphalt: #646464;
  --tinte: #2B2B2B;
  --kreide: #F3F3F3;
  --weiss: #FFFFFF;
  --volt-hauch: #FFF5BD;

  --font: "Saira Variable", "Saira", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --gutter: clamp(20px, 4.2vw, 64px);
  --maxw: 1440px;
  --header-h: 72px;
  --radius: 6px;
  --ease: cubic-bezier(.2, .7, .1, 1);

  --fs-xs: .875rem;
  --fs-s: 1rem;
  --fs-body: 1.0625rem;
  --fs-m: 1.25rem;
  --fs-l: clamp(1.375rem, 1.1rem + .9vw, 1.875rem);
  --fs-xl: clamp(1.875rem, 1.2rem + 2.2vw, 3rem);
  --fs-2xl: clamp(2.5rem, 1.3rem + 4.4vw, 5.5rem);
  --fs-hero: clamp(4.25rem, min(1rem + 13.5vw, 23svh), 15rem);
}
@media (max-width: 1023px) {
  :root { --header-h: 64px; }
}
@media (max-width: 639px) {
  :root { --fs-hero: clamp(3.4rem, 21vw, 7rem); --fs-m: 1.125rem; }
}

/* ---------- Basis ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-body);
  font-weight: 420;
  font-stretch: 100%;
  line-height: 1.6;
  color: var(--tinte);
  background: var(--beton);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 2px; text-underline-offset: .18em; }
button { font: inherit; color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
:focus-visible { outline: 3px solid var(--tinte); outline-offset: 3px; }
.on-dark :focus-visible { outline-color: var(--volt); }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: fixed; left: 12px; top: 12px; z-index: 100;
  background: var(--tinte); color: var(--volt); padding: .7em 1.1em; border-radius: var(--radius);
  font-weight: 700; text-decoration: none; transform: translateY(-160%);
  transition: transform .2s var(--ease);
}
.skip:focus { transform: translateY(0); }

.h-xl {
  font-size: var(--fs-2xl);
  font-weight: 830;
  font-stretch: 106%;
  line-height: .94;
  letter-spacing: -.025em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 1.35em;
  border: 2px solid transparent; border-radius: var(--radius);
  font-size: 1.0625rem; font-weight: 720; font-stretch: 94%; line-height: 1.1;
  text-decoration: none; text-align: center; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--ink { background: var(--tinte); color: var(--volt); }
.btn--ink:hover { background: var(--asphalt); }
.btn--volt { background: var(--volt); color: var(--tinte); }
.btn--volt:hover { background: var(--zitrone); }
.btn--line { border-color: currentColor; background: transparent; }
.btn--line:hover { background: rgba(43, 43, 43, .08); }
.btn--s { min-height: 44px; padding: 0 1.1em; font-size: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  color: var(--tinte);
}
.site-header::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(205, 205, 205, .94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 0 rgba(43, 43, 43, .12);
  opacity: 0; transition: opacity .3s;
}
.site-header.is-scrolled::before { opacity: 1; }
.menu-open.site-header::before { opacity: 0; }
.site-header__inner {
  position: relative;
  height: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; gap: clamp(16px, 2.4vw, 36px);
}

.brand {
  display: inline-flex; align-items: baseline;
  color: inherit; text-decoration: none; white-space: nowrap;
  font-size: 1.5rem; line-height: 1;
}
.brand__mark { font-weight: 900; font-stretch: 125%; letter-spacing: -.03em; }
.brand__dot {
  display: inline-block; width: .24em; height: .24em; margin: 0 .07em;
  background: currentColor;
}
.brand__word { font-weight: 620; font-stretch: 78%; letter-spacing: .005em; margin-left: .06em; }

.nav { margin-left: auto; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: clamp(14px, 1.8vw, 30px); }
.nav ul a {
  display: inline-block; padding: .4em 0;
  font-weight: 650; font-stretch: 92%; text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 2px no-repeat;
  transition: background-size .3s var(--ease);
}
.nav ul a:hover, .nav ul a[aria-current="true"] { background-size: 100% 2px; }

.charge {
  position: relative; flex: none;
  display: flex; align-items: flex-end; gap: 2px;
  width: 38px; height: 20px; padding: 3px;
  border: 2px solid currentColor; border-radius: 4px;
}
.charge::after {
  content: ""; position: absolute; right: -6px; top: 50%;
  width: 3px; height: 8px; margin-top: -4px;
  background: currentColor; border-radius: 0 2px 2px 0;
}
.charge i {
  flex: 1; height: 100%;
  background: linear-gradient(to top, currentColor calc(var(--f, 0) * 100%), transparent 0);
}
.header-cta { min-height: 44px; font-size: 1rem; }

.menu-toggle {
  display: none; position: relative; z-index: 2;
  width: 46px; height: 46px; margin-right: -8px;
  border: 0; background: transparent; cursor: pointer;
}
.menu-toggle__bars, .menu-toggle__bars::before {
  position: absolute; left: 11px; right: 11px; height: 3px; background: currentColor;
  transition: transform .3s var(--ease), top .3s var(--ease);
}
.menu-toggle__bars { top: 18px; }
.menu-toggle__bars::before { content: ""; left: 0; right: 0; top: 9px; }
.menu-open .menu-toggle__bars { top: 22px; transform: rotate(45deg); }
.menu-open .menu-toggle__bars::before { top: 0; transform: rotate(-90deg); }

@media (max-width: 1023px) {
  .header-cta { display: none; }
  .menu-toggle { display: block; }
  .charge { margin-left: auto; }
  .nav {
    position: fixed; inset: 0; z-index: 1; margin: 0;
    background: var(--volt);
    padding: calc(var(--header-h) + 5svh) var(--gutter) 40px;
    display: flex; flex-direction: column; justify-content: space-between;
    opacity: 0; visibility: hidden; transform: translateY(-12px);
    transition: opacity .3s var(--ease), transform .4s var(--ease), visibility 0s .4s;
  }
  .menu-open .nav { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .nav ul { flex-direction: column; gap: 2px; }
  .nav ul a { font-size: clamp(2.4rem, 11vw, 4rem); font-weight: 850; font-stretch: 108%; line-height: 1.1; letter-spacing: -.02em; }
  .nav__extra { display: flex; flex-wrap: wrap; gap: 10px; }
  .brand { position: relative; z-index: 2; }
}
@media (min-width: 1024px) {
  .nav__extra { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  --road-h: clamp(88px, 16svh, 168px);
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100svh;
  display: flex; flex-direction: column;
  background: var(--volt); color: var(--tinte);
}
.hero__inner {
  position: relative; z-index: 2; flex: 1;
  width: 100%; max-width: var(--maxw); margin: 0 auto;
  padding: calc(var(--header-h) + clamp(20px, 5svh, 64px)) var(--gutter) clamp(24px, 5svh, 56px);
}
.hero__title { font-weight: 900; }
.hero__kicker {
  display: block; margin-bottom: .55em;
  font-size: var(--fs-m); font-weight: 660; font-stretch: 92%; line-height: 1.3; letter-spacing: 0;
}
.hero__big {
  display: block;
  font-size: var(--fs-hero); font-weight: 900; font-stretch: 112%;
  line-height: .84; letter-spacing: -.04em;
}
.hero__big .line { display: block; overflow: hidden; padding: 0 .06em .07em 0; margin-bottom: -.07em; }
.hero__big .line > span { display: inline-block; }
.hero__lead {
  max-width: 34ch; margin: clamp(18px, 3svh, 34px) 0 clamp(20px, 3.4svh, 36px);
  font-size: var(--fs-m); font-weight: 460; line-height: 1.45;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

html.js:not(.intro-run) .hero__big .line > span { transform: translateY(108%); animation: introFallback 0s 2.5s forwards; }
html.js:not(.intro-run) .hero__kicker,
html.js:not(.intro-run) .hero__lead,
html.js:not(.intro-run) .hero__actions,
html.js:not(.intro-run) .hero__scooter { opacity: 0; animation: introFallbackFade 0s 2.5s forwards; }
@keyframes introFallback { to { transform: none; } }
@keyframes introFallbackFade { to { opacity: 1; } }

.hero__scooter {
  position: absolute; z-index: 1;
  right: clamp(8px, 5vw, 110px);
  bottom: calc(var(--road-h) * .3);
  height: min(78svh, 880px);
  aspect-ratio: 1048 / 1300;
  pointer-events: none;
}
.hero__ride { position: absolute; inset: 0; }
.hero__scooter img { width: 100%; height: 100%; object-fit: contain; position: relative; }
.hero__shadow {
  position: absolute; left: 6%; right: 0; bottom: -1.5%; height: 9%;
  background: radial-gradient(closest-side, rgba(0, 0, 0, .55), rgba(0, 0, 0, 0));
}

.road {
  position: relative; z-index: 0; flex: none;
  height: var(--road-h);
  background: var(--asphalt);
  overflow: hidden;
}
.road::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 5px;
  background: var(--stahl);
}
.road__lane {
  position: absolute; left: 0; top: 30%;
  width: calc(100% + 240px); height: 8px;
  background: repeating-linear-gradient(90deg, var(--zitrone) 0 72px, transparent 72px 120px);
  will-change: transform;
}

@media (max-width: 767px) {
  .hero { --road-h: clamp(76px, 11svh, 110px); }
  .hero__inner { flex: 1 0 auto; padding-bottom: 0; }
  .hero__scooter {
    position: relative; right: auto; bottom: auto;
    align-self: flex-end;
    width: min(62vw, 360px); height: auto;
    margin: -6svh 5vw calc(var(--road-h) * -.6) auto;
  }
  .spot__dot { inset: 14px; box-shadow: 0 0 0 2.5px var(--tinte); }
}

/* ---------- Problem-Band (Straßenschrift) ---------- */
.ticker {
  background: var(--asphalt); color: var(--weiss);
  overflow: hidden;
  padding: clamp(4px, 1vw, 12px) 0 clamp(26px, 4vw, 52px);
}
.ticker__track {
  display: flex; align-items: center; width: max-content;
  list-style: none; margin: 0; padding: 0;
  will-change: transform;
}
.ticker__item {
  display: flex; align-items: center; white-space: nowrap;
  font-size: clamp(2.25rem, 1.4rem + 4vw, 5.5rem);
  font-weight: 800; font-stretch: 62%; line-height: 1; letter-spacing: .005em;
}
.ticker__item::after {
  content: ""; flex: none;
  width: clamp(36px, 4vw, 64px); height: 8px;
  margin: 0 clamp(18px, 2.4vw, 36px);
  background: var(--zitrone);
}

/* ---------- Werkstatt: Wo hakt's? ---------- */
.insp { position: relative; background: var(--beton); }
.insp__pin {
  position: relative;
  max-width: var(--maxw); margin: 0 auto;
  padding: calc(var(--header-h) + clamp(16px, 3svh, 40px)) var(--gutter) clamp(20px, 4svh, 40px);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  grid-template-rows: auto 1fr auto;
  column-gap: clamp(24px, 4vw, 72px);
  height: 100svh; min-height: 640px;
}
.insp__head { grid-area: 1 / 1; }
.insp__intro { max-width: 40ch; margin-top: .9em; font-size: var(--fs-m); line-height: 1.45; }
.insp__panel { grid-area: 2 / 1; position: relative; min-height: 18rem; }
.insp__nav { grid-area: 3 / 1; display: grid; gap: 14px; padding-top: 12px; }
.insp__stage {
  grid-area: 1 / 2 / 4 / 3;
  position: relative; min-height: 0;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
@media (min-width: 1024px) {
  .insp__stage {
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 94%, transparent 100%), linear-gradient(180deg, transparent 0, #000 6%, #000 96%, transparent 100%);
    -webkit-mask-composite: source-in;
    mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 94%, transparent 100%), linear-gradient(180deg, transparent 0, #000 6%, #000 96%, transparent 100%);
    mask-composite: intersect;
  }
}
.insp__frame { position: relative; height: 92%; aspect-ratio: 896 / 1400; max-width: 100%; }
.insp__zoom { position: absolute; inset: 0; transform-origin: 50% 50%; will-change: transform; }
.insp__zoom img { width: 100%; height: 100%; object-fit: contain; }
.insp__floor {
  position: absolute; left: -8%; right: -6%; bottom: -1.5%; height: 7%;
  background: radial-gradient(closest-side, rgba(43, 43, 43, .35), rgba(43, 43, 43, 0));
}
.insp__spots { position: absolute; inset: 0; }

.bay {
  --c: var(--volt); --l: clamp(26px, 3vw, 46px); --t: 6px;
  position: absolute; inset: -3% -14%; pointer-events: none;
  background:
    linear-gradient(var(--c), var(--c)) top left / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) top left / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) top right / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) top right / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) bottom left / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) bottom left / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) bottom right / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) bottom right / var(--t) var(--l) no-repeat;
}
.bay--ink { --c: var(--tinte); --t: 4px; --l: 26px; inset: 10px; }

.spot {
  position: absolute; left: 0; top: 0;
  width: 44px; height: 44px; margin: -22px 0 0 -22px; padding: 0;
  border: 0; background: none; cursor: pointer;
  will-change: transform;
}
.spot__dot {
  position: absolute; inset: 12px; border-radius: 50%;
  background: var(--volt); box-shadow: 0 0 0 3px var(--tinte);
  transition: transform .25s var(--ease);
}
.spot::before {
  content: ""; position: absolute; inset: 3px; border-radius: 50%;
  border: 3px solid var(--volt); opacity: 0;
}
.spot:hover .spot__dot, .spot.is-active .spot__dot { transform: scale(1.18); }
.spot.is-active::before { animation: ping 1.8s var(--ease) infinite; }
@keyframes ping {
  0% { opacity: .95; transform: scale(.55); }
  80%, 100% { opacity: 0; transform: scale(1.6); }
}
.spot__label {
  position: absolute; left: 42px; top: 50%; transform: translate(-4px, -50%);
  padding: .32em .65em; border-radius: 4px;
  background: var(--tinte); color: var(--volt);
  font-size: .875rem; font-weight: 720; font-stretch: 90%; line-height: 1.2; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .25s var(--ease);
}
.spot:hover .spot__label, .spot:focus-visible .spot__label, .spot.is-active .spot__label {
  opacity: 1; transform: translate(0, -50%);
}
.spot--left .spot__label { left: auto; right: 42px; transform: translate(4px, -50%); }
.spot--left:hover .spot__label, .spot--left:focus-visible .spot__label, .spot--left.is-active .spot__label { transform: translate(0, -50%); }
.insp.has-focus .spot:not(.is-active) { opacity: .55; }

.part {
  position: absolute; left: 0; right: 0; top: 50%;
  transform: translateY(calc(-50% + 18px));
  opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), transform .5s var(--ease), visibility 0s .5s;
}
.part.is-active { opacity: 1; visibility: visible; transform: translateY(-50%); transition-delay: 0s, 0s, 0s; }
.part__title {
  font-size: var(--fs-xl); font-weight: 830; font-stretch: 104%;
  line-height: 1; letter-spacing: -.015em; margin-bottom: .55em;
}
.part__issues { list-style: none; padding: 0; margin: 0 0 1em; display: grid; gap: .35em; }
.part__issues li { position: relative; padding-left: 1.5em; font-weight: 640; }
.part__issues li::before {
  content: ""; position: absolute; left: 0; top: .72em;
  width: .9em; height: 4px; background: var(--tinte);
}
.part__text { max-width: 42ch; margin-bottom: 1.3em; }

.insp__tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tab {
  appearance: none; cursor: pointer;
  padding: .42em 1em; border: 2px solid var(--tinte); border-radius: 999px;
  background: transparent; color: var(--tinte);
  font-size: .95rem; font-weight: 700; font-stretch: 90%; line-height: 1.2;
  transition: background-color .2s, color .2s;
}
.tab:hover { background: rgba(43, 43, 43, .09); }
.tab[aria-pressed="true"] { background: var(--tinte); color: var(--volt); }
.insp__progress { position: relative; height: 4px; border-radius: 2px; overflow: hidden; background: rgba(43, 43, 43, .16); }
.insp__progress span { position: absolute; inset: 0; background: var(--tinte); transform-origin: 0 50%; transform: scaleX(0); }

@media (max-width: 1023px) {
  .insp__pin {
    height: auto; min-height: 0;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: none;
    padding-top: clamp(72px, 12vw, 120px); padding-bottom: clamp(64px, 12vw, 120px);
    row-gap: 24px;
  }
  .insp__head, .insp__panel, .insp__nav, .insp__stage { grid-area: auto; }
  .insp__stage { height: min(96vw, 560px); order: 2; margin: 0 calc(var(--gutter) * -1); }
  .insp__nav { order: 3; padding-top: 0; }
  .insp__panel { order: 4; min-height: 0; }
  .insp__progress { display: none; }
  .insp__tabs { flex-wrap: nowrap; overflow-x: auto; margin: 0 calc(var(--gutter) * -1); padding: 2px var(--gutter) 6px; scrollbar-width: none; }
  .insp__tabs::-webkit-scrollbar { display: none; }
  .tab { flex: none; }
  .part { position: relative; top: auto; transform: none; display: none; }
  .part.is-active { display: block; transform: none; }
}

/* ---------- Ablauf ---------- */
.ablauf {
  background: var(--asphalt); color: var(--weiss);
  padding: clamp(88px, 14svh, 168px) 0;
}
.ablauf__grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 6vw, 112px); align-items: start;
}
.ablauf__intro { max-width: 34ch; margin-top: .9em; font-size: var(--fs-m); line-height: 1.45; color: #EFEFEF; }
.steps { position: relative; margin: clamp(44px, 7svh, 84px) 0 0; padding: 0 0 0 76px; }
.steps__list { list-style: none; margin: 0; padding: 0; }
.step { position: relative; padding-bottom: clamp(44px, 8svh, 92px); transition: opacity .45s var(--ease); }
.step:last-child { padding-bottom: 0; }
.step__no {
  position: absolute; left: -76px; top: 0; z-index: 1;
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 2px solid var(--volt); border-radius: var(--radius);
  background: var(--volt); color: var(--tinte);
  font-size: 1.5rem; font-weight: 900; font-stretch: 62%; line-height: 1;
  transition: background-color .35s, border-color .35s, color .35s;
}
.step__title { font-size: var(--fs-l); font-weight: 800; line-height: 1.1; margin: .2em 0 .4em; }
.step p { max-width: 44ch; color: #F0F0F0; }
.steps.is-live .step { opacity: .4; }
.steps.is-live .step.is-on { opacity: 1; }
.steps.is-live .step:not(.is-on) .step__no { background: var(--asphalt); border-color: var(--stahl); color: var(--weiss); }

.lane { position: absolute; left: 20px; top: 22px; bottom: 22px; width: 4px; }
.lane__track, .lane__fill { position: absolute; inset: 0; }
.lane__track { background: repeating-linear-gradient(180deg, var(--stahl) 0 18px, transparent 18px 30px); }
.lane__fill {
  background: repeating-linear-gradient(180deg, var(--zitrone) 0 18px, transparent 18px 30px);
  clip-path: inset(0 0 calc((1 - var(--p, 1)) * 100%) 0);
}
.lane__rider {
  position: absolute; left: 50%; top: -28px; z-index: 2;
  width: 28px; height: 56px; margin-left: -14px;
  display: none; will-change: transform;
}
.steps.is-live .lane__rider { display: block; }

.ablauf__photo { position: sticky; top: calc(var(--header-h) + 40px); }
.ablauf__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 44% 50%; }
.ablauf__photo figcaption { margin-top: 12px; font-size: var(--fs-xs); font-stretch: 92%; color: #E4E4E4; }

@media (max-width: 1023px) {
  .ablauf__grid { grid-template-columns: minmax(0, 1fr); }
  .ablauf__photo { position: relative; top: auto; max-width: 520px; }
  .ablauf__photo img { aspect-ratio: 3 / 2; }
}

/* ---------- Rolltor ---------- */
.rolltor {
  position: relative; overflow: hidden;
  height: 100svh; min-height: 560px;
  background: var(--asphalt);
}
.rolltor__photo, .rolltor__photo img { position: absolute; inset: 0; width: 100%; height: 100%; }
.rolltor__photo img { object-fit: cover; object-position: 50% 62%; }
.rolltor__text {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: clamp(32px, 7svh, 88px); z-index: 1;
  color: var(--tinte);
}
.rolltor__title {
  font-size: clamp(3.5rem, 7.4vw, 8.75rem); font-weight: 900; font-stretch: 116%;
  line-height: .86; letter-spacing: -.04em;
}
.rolltor__title span { display: block; }
@media (max-width: 767px) {
  .rolltor__text { right: auto; }
  .rolltor__title { display: inline-block; padding: .08em .16em .14em; background: var(--volt); font-size: clamp(3rem, 17vw, 5rem); }
}
.rolltor__text p {
  display: inline-block; margin-top: 1.1em; padding: .55em .9em; border-radius: 4px;
  background: var(--tinte); color: var(--volt);
  font-size: var(--fs-m); font-weight: 650; font-stretch: 96%; line-height: 1.35;
}
.rolltor__shutter {
  position: absolute; inset: 0; z-index: 2; display: none;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, .16), rgba(0, 0, 0, 0) 12%),
    repeating-linear-gradient(180deg, #8C8C8C 0 3px, var(--stahl) 3px 24px, #6E6E6E 24px 27px, #5A5A5A 27px 30px);
  box-shadow: inset 0 -18px 0 #4F4F4F, 0 10px 24px rgba(0, 0, 0, .35);
  will-change: transform;
}
.has-shutter .rolltor__shutter { display: block; }
.rolltor__sign {
  position: absolute; left: 50%; top: 44%; transform: translate(-50%, -50%);
  padding: .55em 1.1em; border-radius: 4px;
  background: var(--volt); color: var(--tinte);
  font-size: clamp(1rem, .8rem + .8vw, 1.5rem); font-weight: 850; font-stretch: 108%; white-space: nowrap;
  box-shadow: 0 3px 0 rgba(0, 0, 0, .25);
}
.rolltor__handle {
  position: absolute; left: 50%; bottom: 26px;
  width: 140px; height: 12px; margin-left: -70px; border-radius: 6px;
  background: #3F3F3F; box-shadow: inset 0 2px 0 rgba(255, 255, 255, .15);
}

/* ---------- Modelle (Schiene) ---------- */
.modelle { background: var(--zitrone); }
.rail { position: relative; padding: clamp(88px, 14svh, 150px) 0; }
.rail__intro { padding: 0 var(--gutter); margin-bottom: clamp(28px, 5vw, 48px); }
.rail__intro p { margin-top: 1em; font-size: var(--fs-m); line-height: 1.45; max-width: 36ch; }
.rail__scroller {
  overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scroll-padding-left: var(--gutter);
  scrollbar-width: none;
}
.rail__scroller::-webkit-scrollbar { display: none; }
.rail__track {
  display: flex; align-items: stretch; width: max-content;
  gap: clamp(20px, 2.6vw, 44px);
  padding: 0 var(--gutter) 4px;
}
/* Desktop: Abschnitt wird gepinnt, alles fährt seitlich durch */
.rail--pinned { height: 100svh; overflow: hidden; padding: var(--header-h) 0 0; display: flex; align-items: center; }
.rail--pinned .rail__move { display: flex; align-items: center; width: max-content; padding: 0 var(--gutter); gap: clamp(20px, 2.6vw, 44px); will-change: transform; }
.rail--pinned .rail__intro { flex: 0 0 clamp(290px, 31vw, 470px); padding: 0 clamp(0px, 2vw, 32px) 0 0; margin: 0; }
.rail--pinned .rail__scroller { overflow: visible; scroll-snap-type: none; }
.rail--pinned .rail__track { padding: 0; }

.model {
  flex: 0 0 clamp(270px, min(26vw, 44svh), 400px);
  display: flex; flex-direction: column; scroll-snap-align: start;
}
.model__bay { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--beton); margin-bottom: 18px; }
.model__bay img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.model__bay--product img { object-fit: contain; padding: 9% 12% 7%; }
.model__bay--product::after {
  content: ""; position: absolute; left: 14%; right: 14%; bottom: 5%; height: 5%;
  background: radial-gradient(closest-side, rgba(43, 43, 43, .32), rgba(43, 43, 43, 0));
}
.model__bay--product img { z-index: 1; }
.model__name { font-size: var(--fs-l); font-weight: 830; font-stretch: 104%; line-height: 1.05; margin-bottom: .55em; }
.model__facts { display: grid; gap: .35em; margin-bottom: 1.15em; }
.model__facts div { display: grid; grid-template-columns: 4.6em minmax(0, 1fr); gap: .6em; }
.model__facts dt { font-weight: 720; font-stretch: 88%; }
.model__facts .btn { margin-top: auto; }
.model > .btn { align-self: flex-start; margin-top: auto; }

.model--extra {
  background: var(--asphalt); color: var(--weiss);
  padding: clamp(24px, 2.6vw, 40px); justify-content: flex-end;
  border-radius: var(--radius);
}
.model--extra .model__name { font-size: var(--fs-xl); }
.model--extra p { margin-bottom: 1.4em; color: #F0F0F0; max-width: 30ch; }

@media (max-width: 1023px) {
  .rail { padding: clamp(72px, 12vw, 120px) 0 clamp(64px, 12vw, 120px); }
  .model { flex-basis: min(76vw, 340px); }
}

/* ---------- Fragen ---------- */
.fragen { background: var(--beton); padding: clamp(88px, 14svh, 168px) 0; }
.fragen__grid {
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 112px); align-items: start;
}
.fragen__head { position: sticky; top: calc(var(--header-h) + 32px); }
.fragen__head p { margin-top: 1em; font-size: var(--fs-m); }
.faq__item { border-top: 2px solid var(--tinte); }
.faq__item:last-child { border-bottom: 2px solid var(--tinte); }
.faq__item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 1.05em 0;
  font-size: var(--fs-m); font-weight: 720; font-stretch: 96%; line-height: 1.3;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover .faq__icon { background: var(--asphalt); }
.faq__icon { position: relative; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--tinte); transition: background-color .2s; }
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 12px; height: 2.5px; margin: -1.25px 0 0 -6px;
  background: var(--volt); transition: transform .3s var(--ease);
}
.faq__icon::after { transform: rotate(90deg); }
.faq__item.is-open .faq__icon::after { transform: rotate(0deg); }
.no-js .faq__item[open] .faq__icon::after { transform: rotate(0deg); }
.faq__body { overflow: hidden; }
.faq__body p { max-width: 62ch; padding-bottom: 1.35em; }

@media (max-width: 1023px) {
  .fragen__grid { grid-template-columns: minmax(0, 1fr); }
  .fragen__head { position: relative; top: auto; }
}

/* ---------- Kontakt ---------- */
.kontakt { background: var(--volt); padding: clamp(88px, 14svh, 168px) 0 clamp(64px, 10svh, 120px); }
.kontakt__grid {
  display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(40px, 6vw, 112px); align-items: start;
}
.kontakt__title {
  font-size: clamp(3rem, 1.5rem + 5.4vw, 7rem); font-weight: 900; font-stretch: 108%;
  line-height: .88; letter-spacing: -.035em;
}
.kontakt__lead { max-width: 36ch; margin: 1em 0 2.2em; font-size: var(--fs-m); line-height: 1.45; }
.kontakt__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 32px; }
.kontakt__list dt { margin-bottom: .3em; font-weight: 720; font-stretch: 88%; }
.kontakt__list dd { font-size: var(--fs-m); line-height: 1.4; }
.kontakt__list dd a { font-weight: 650; }

.slip {
  position: relative;
  background: var(--weiss); color: var(--tinte);
  padding: clamp(28px, 3vw, 44px);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 22px 44px -22px rgba(70, 56, 0, .55);
}
.slip::before {
  content: ""; position: absolute; left: 0; right: 0; top: -9px; height: 10px;
  background: radial-gradient(circle at 50% 0, transparent 6.5px, var(--weiss) 7px) 0 0 / 18px 10px repeat-x;
}
.slip__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 22px; padding-bottom: 14px; border-bottom: 2px dashed var(--beton); }
.slip__title { font-size: var(--fs-l); font-weight: 830; font-stretch: 104%; line-height: 1.1; }
.slip__sub { font-size: var(--fs-xs); font-stretch: 92%; color: var(--asphalt); }
.field { display: block; margin-bottom: 18px; }
.field__label, .choices legend { display: block; margin-bottom: 7px; font-size: .9rem; font-weight: 720; font-stretch: 90%; }
.field__label small { font-weight: 450; }
.field input, .field textarea {
  width: 100%; padding: .72em .85em;
  border: 0; border-bottom: 2px solid var(--tinte); border-radius: 4px 4px 0 0;
  background: var(--kreide); color: var(--tinte);
  font: inherit; font-size: 1.0625rem; line-height: 1.4;
  transition: background-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 7.5em; }
.field input:focus, .field textarea:focus { outline: none; background: var(--volt-hauch); box-shadow: 0 2px 0 var(--tinte); }
.field input::placeholder, .field textarea::placeholder { color: #8A8A8A; }
.field.is-invalid input, .field.is-invalid textarea { background: #FDE9E4; }
.choices { border: 0; padding: 0; margin: 0 0 20px; }
.choices__row { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choice span {
  display: inline-block; cursor: pointer;
  padding: .45em .95em; border: 2px solid var(--tinte); border-radius: 999px;
  font-size: .95rem; font-weight: 700; font-stretch: 90%; line-height: 1.25;
  transition: background-color .2s, color .2s;
}
.choice input:checked + span { background: var(--tinte); color: var(--volt); }
.choice input:focus-visible + span { outline: 3px solid var(--tinte); outline-offset: 2px; }
.slip__note { margin: 4px 0 18px; font-size: var(--fs-xs); line-height: 1.5; color: var(--asphalt); }
.slip__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.slip__error { margin-top: 14px; font-weight: 700; color: #A3260E; }
.slip__error[hidden] { display: none; }

@media (max-width: 1023px) {
  .kontakt__grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 479px) {
  .kontakt__list { grid-template-columns: minmax(0, 1fr); }
  .slip__actions .btn { width: 100%; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--asphalt); color: var(--weiss);
  padding: clamp(48px, 8svh, 96px) 0 calc(28px + env(safe-area-inset-bottom));
}
.footer__mark {
  display: block; margin-bottom: .2em;
  color: var(--zitrone); font-size: clamp(3.25rem, 12.6vw, 13rem); line-height: .8;
}
.footer__row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 28px;
  padding-top: 20px; border-top: 2px solid var(--stahl); font-size: .95rem;
}
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer__links a { color: var(--weiss); font-weight: 600; }

/* ---------- Mobile Aktionsleiste ---------- */
.actionbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(205, 205, 205, .95);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: 0 -2px 0 rgba(43, 43, 43, .14);
  transition: transform .35s var(--ease);
}
.actionbar .btn { min-height: 48px; }
.actionbar.is-hidden { transform: translateY(115%); }
@media (max-width: 1023px) {
  .site-footer { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
}
@media (min-width: 1024px) {
  .actionbar { display: none; }
}

/* ---------- Rechtliche Seiten ---------- */
.legal-page { background: var(--beton); }
.legal-page .site-header::before { opacity: 1; }
.legal {
  max-width: 76ch; margin: 0 auto;
  padding: calc(var(--header-h) + clamp(40px, 8svh, 96px)) var(--gutter) clamp(64px, 10svh, 120px);
}
.legal h1 { font-size: var(--fs-2xl); font-weight: 860; font-stretch: 106%; line-height: .95; letter-spacing: -.025em; margin-bottom: .6em; }
.legal h2 { font-size: var(--fs-l); font-weight: 800; line-height: 1.15; margin: 1.8em 0 .5em; }
.legal p, .legal ul { margin-bottom: 1em; }
.legal ul { padding-left: 1.2em; }
.todo {
  margin-bottom: 2em; padding: 1em 1.2em; border-radius: var(--radius);
  background: var(--volt); font-weight: 650; border: 2px solid var(--tinte);
}
.back-link { margin-left: auto; font-weight: 700; }

/* ---------- Weniger Bewegung ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important;
  }
}
