/* =========================================================================
   Landingpage Auto-App (Arbeitstitel) -- eigenstaendige Ergaenzung zu
   tokens.css/components.css (SPUR-Richtung). Tragende Idee: die Seite
   selbst ist eine Fahrt -- eine Spur zieht sich scrollgebunden durch die
   Gasse links, faerbt sich entlang der Tempoklassen und ein Kilometerzaehler
   zaehlt mit. Ausserhalb der Gasse: normaler, ruhiger Lesefluss.
   ========================================================================= */

:root{
  --gasse-breite:22px;
  --inhalt-breite:640px;
  --rand-aussen:20px;
}
@media (min-width:768px){
  :root{ --gasse-breite:34px; --rand-aussen:32px; }
}

*{scroll-behavior:auto}
html{overflow-x:clip}
body{overflow-x:clip}

a{color:var(--primary-text)}
a:focus-visible,button:focus-visible{outline:none;box-shadow:var(--fokus-ring)}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
a.sr-only:focus{
  position:fixed;top:10px;left:10px;z-index:100;
  width:auto;height:auto;min-height:44px;padding:10px 18px;margin:0;
  overflow:visible;clip:auto;white-space:normal;
  background:var(--primary);color:var(--primary-on);
  border-radius:var(--radius-button);font-weight:600;
  display:flex;align-items:center;
}

/* ---------------------------------------------------------------------
   Kopfzeile
   --------------------------------------------------------------------- */
.kopf{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:14px var(--rand-aussen);
  background:color-mix(in srgb, var(--oberflaeche) 88%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--rand);
}
.kopf-marke{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:700;font-size:18px;
  color:var(--oberflaeche-text);text-decoration:none;
}
.kopf-marke .punkt{width:10px;height:10px;border-radius:50%;background:var(--primary);flex:none}
.kopf-cta{min-height:44px;padding:10px 18px;font-size:14px}
.kopf-nav{display:none;align-items:center;gap:22px;font-size:14px;font-weight:600}
.kopf-nav a{text-decoration:none;color:var(--oberflaeche-text);opacity:.8}
.kopf-nav a:hover{opacity:1}
/* Der Header-CTA ist ein .btn-primary und muss dessen Textfarbe behalten --
   ohne diese Ausnahme gewinnt ".kopf-nav a" per Spezifitaet (Klasse+Element)
   gegen ".btn-primary" (nur Klasse) und der Knopf bekommt dunklen statt
   weissen Text auf dem gruenen Grund (QA-Fund: 3,34:1 statt AA). */
.kopf-nav a.btn-primary{color:var(--primary-on);opacity:1}
.kopf-nav a.btn-primary:hover{opacity:1}
@media (min-width:900px){ .kopf-nav{display:flex} }

.burger{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border:none;background:transparent;cursor:pointer;flex:none;
}
@media (min-width:900px){ .burger{display:none} }
.burger span{display:block;width:22px;height:2.5px;background:var(--oberflaeche-text);border-radius:2px;margin:0 auto}

.offcanvas{
  position:fixed;inset:0;z-index:60;
  visibility:hidden;pointer-events:none;
}
.offcanvas[data-offen]{visibility:visible;pointer-events:auto}
.offcanvas-scrim{
  position:absolute;inset:0;background:rgba(20,17,14,.5);
  opacity:0;transition:opacity .2s ease;
}
.offcanvas[data-offen] .offcanvas-scrim{opacity:1}
.offcanvas-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(78vw,320px);
  background:var(--oberflaeche);border-left:1px solid var(--rand);
  padding:20px;display:flex;flex-direction:column;gap:4px;
  transform:translateX(100%);transition:transform .22s ease;
}
.offcanvas[data-offen] .offcanvas-panel{transform:translateX(0)}
.offcanvas-schliessen{
  align-self:flex-end;min-height:44px;min-width:44px;border:none;background:transparent;
  font-size:22px;color:var(--oberflaeche-text);cursor:pointer;
}
.offcanvas-panel a{
  display:block;padding:12px 6px;font-size:16px;font-weight:600;
  color:var(--oberflaeche-text);text-decoration:none;border-bottom:1px solid var(--rand);
  min-height:44px;
}
@media (prefers-reduced-motion: reduce){
  .offcanvas-panel,.offcanvas-scrim{transition:none}
}

/* ---------------------------------------------------------------------
   Reise-Layout: Gasse (Spur) + Inhalt, per Grid getrennt (kreuzt nie Text)
   --------------------------------------------------------------------- */
.reise{
  position:relative;
  display:grid;
  grid-template-columns:var(--gasse-breite) 1fr;
  column-gap:12px;
  max-width:calc(var(--inhalt-breite) + var(--gasse-breite) + 12px + 2*var(--rand-aussen));
  margin:0 auto;
  padding:0 var(--rand-aussen);
}
.gasse{
  grid-column:1;
  position:relative;
  min-height:100%;
}
.gasse svg{position:absolute;top:0;left:0;width:100%;height:100%;overflow:visible}
.inhalt{grid-column:2;min-width:0}

.spur-linie-basis{fill:none;stroke:var(--rand);stroke-width:4;stroke-linecap:round}
.spur-linie{fill:none;stroke-width:4;stroke-linecap:round}
.spur-marker{transform-box:fill-box}
.spur-marker circle.kern{fill:var(--sekundaer)}
.spur-marker circle.halo{fill:none;stroke:var(--ink-halo);stroke-width:2.5}

.reise-tacho{
  position:sticky;top:70px;
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--font-display);
  font-weight:700;
  font-size:11px;
  letter-spacing:.02em;
  color:var(--oberflaeche-text);
  opacity:.75;
  padding-top:4px;
  height:1px;
  overflow:visible;
  white-space:nowrap;
}
.reise-tacho .zahl{font-variant-numeric:tabular-nums lining-nums;font-size:12px}
@media (max-width:767px){
  .reise-tacho{font-size:10px}
}

/* ---------------------------------------------------------------------
   Abschnitte
   --------------------------------------------------------------------- */
section{padding:64px 0 8px}
section:first-of-type{padding-top:8px}
.abschnitt-kopf{max-width:46ch;margin-bottom:32px}
.abschnitt-kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--primary-text);margin-bottom:10px;
}
h1{font-size:clamp(32px,7vw,52px);line-height:1.05;margin-bottom:18px}
h2{font-size:clamp(24px,4.4vw,32px);line-height:1.15}
h3{font-size:18px}
p{margin:0 0 14px}
.lead{font-size:clamp(17px,2.4vw,20px);opacity:.82;max-width:56ch}

/* ---------------------------------------------------------------------
   Hero
   --------------------------------------------------------------------- */
.hero{padding-top:28px}
.hero-cta-reihe{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-hinweis{margin-top:16px;font-size:13px;opacity:.68}

/* ---------------------------------------------------------------------
   Funktionen (Was die App tut)
   --------------------------------------------------------------------- */
.funktionen-liste{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:640px){
  .funktionen-liste{grid-template-columns:1fr 1fr}
}
.funktion{
  background:var(--oberflaeche-karte);border:1px solid var(--rand);
  border-radius:var(--radius-card);padding:22px;
}
.funktion .icon{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:color-mix(in srgb, var(--primary) 16%, transparent);
  color:var(--primary-text);font-size:19px;margin-bottom:14px;
}
.funktion h3{margin-bottom:6px}
.funktion p{font-size:14.5px;opacity:.82;margin-bottom:0}

.tempo-erklaerung{
  margin-top:20px;padding:18px 20px;border-radius:var(--radius-card);
  background:var(--oberflaeche-karte);border:1px solid var(--rand);
}
.tempo-erklaerung p{font-size:14px;opacity:.82;margin-bottom:12px}

/* ---------------------------------------------------------------------
   Screens-Galerie
   --------------------------------------------------------------------- */
.screen-galerie{
  display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  align-items:start;
}
.phone-mockup{text-align:center}
.phone-frame{
  position:relative;margin:0 auto 14px;max-width:220px;
  border-radius:34px;padding:10px;
  background:linear-gradient(160deg,#2a2622,#100e0c);
  box-shadow:0 18px 40px rgba(20,17,14,.28);
}
.phone-frame::before{
  content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);
  width:52px;height:6px;border-radius:4px;background:rgba(255,255,255,.16);
}
.phone-frame img{
  display:block;width:100%;height:auto;border-radius:24px;
  border:1px solid rgba(255,255,255,.08);
}
.phone-mockup figcaption{font-size:13px;opacity:.75;max-width:220px;margin:0 auto}
.phone-mockup figcaption strong{display:block;color:var(--oberflaeche-text);opacity:1;font-size:14px;margin-bottom:2px}

/* ---------------------------------------------------------------------
   Fuer wen
   --------------------------------------------------------------------- */
.fuer-wen-karte{
  background:var(--oberflaeche-karte);border:1px solid var(--rand);
  border-radius:var(--radius-card);padding:26px;
}
.fuer-wen-punkte{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.fuer-wen-punkte li{display:flex;gap:10px;font-size:15px}
.fuer-wen-punkte li::before{content:"→";color:var(--primary-text);flex:none;font-weight:700}

/* ---------------------------------------------------------------------
   Download
   --------------------------------------------------------------------- */
.download-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){
  .download-grid{grid-template-columns:1fr 1fr 1fr}
}
.download-karte{
  background:var(--oberflaeche-karte);border:1px solid var(--rand);
  border-radius:var(--radius-card);padding:24px;display:flex;flex-direction:column;gap:14px;
}
.download-karte .plattform-icon{font-size:26px}
.download-karte ol{margin:0;padding-left:20px;display:grid;gap:8px;font-size:14px;opacity:.9}
.download-karte .hinweis{
  font-size:12.5px;opacity:.72;background:color-mix(in srgb, var(--sekundaer) 16%, transparent);
  border-radius:10px;padding:10px 12px;
}
.download-karte .btn{margin-top:auto}

/* ---------------------------------------------------------------------
   Fussbereich
   --------------------------------------------------------------------- */
footer{
  margin-top:70px;border-top:1px solid var(--rand);
  padding:28px var(--rand-aussen) 40px;
}
.footer-inner{max-width:calc(var(--inhalt-breite) + var(--gasse-breite) + 12px);margin:0 auto}
.footer-links{display:flex;flex-wrap:wrap;gap:16px;font-size:14px;margin-bottom:14px}
.footer-links a{text-decoration:none}
.footer-links a:hover{text-decoration:underline}
.footer-klein{font-size:12.5px;opacity:.62}

/* ---------------------------------------------------------------------
   Platzhalter-Kennzeichnung (design.md-Lesson: sichtbar markieren)
   --------------------------------------------------------------------- */
.ph{
  background:color-mix(in srgb, var(--sekundaer) 30%, transparent);
  border-radius:4px;padding:0 4px;
}

/* ---------------------------------------------------------------------
   Rechtsseiten (Impressum/Datenschutz/Nutzung)
   --------------------------------------------------------------------- */
.rechts-inhalt{max-width:70ch;margin:0 auto;padding:40px var(--rand-aussen) 80px}
.rechts-inhalt h1{font-size:clamp(28px,5vw,38px);margin-bottom:8px}
.rechts-inhalt .stand{font-size:13px;opacity:.65;margin-bottom:32px}
.rechts-inhalt h2{font-size:20px;margin-top:34px;margin-bottom:10px}
.rechts-inhalt h3{margin-top:22px;margin-bottom:8px}
.rechts-inhalt p,.rechts-inhalt li{font-size:15px;line-height:1.6}
.rechts-inhalt table{width:100%;border-collapse:collapse;margin:16px 0;font-size:13.5px}
.rechts-inhalt th,.rechts-inhalt td{border:1px solid var(--rand);padding:8px 10px;text-align:left;vertical-align:top}
.rechts-inhalt th{background:var(--oberflaeche-karte)}
.rechts-inhalt blockquote{
  margin:0 0 24px;padding:14px 18px;border-left:3px solid var(--primary);
  background:var(--oberflaeche-karte);font-size:14px;opacity:.85;border-radius:0 10px 10px 0;
}
.zurueck-link{display:inline-block;margin-bottom:24px;font-size:14px}

/* ---------------------------------------------------------------------
   404
   --------------------------------------------------------------------- */
.seite-404{
  min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px var(--rand-aussen);gap:16px;
}
.seite-404 .code{font-family:var(--font-display);font-size:clamp(48px,12vw,96px);font-weight:800;color:var(--primary-text)}

/* ---------------------------------------------------------------------
   prefers-reduced-motion: Endzustand, keine laufende Bewegung
   --------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  .fahrbahn-trenner,.ladebalken::after{animation:none !important}
}

/* Custom-Cursor (falls je ergaenzt) auf Mobile aus -- Pflicht CLAUDE.md */
@media (max-width:900px){
  .cursor-dot,.cursor-ring{display:none}
}

/* ---------------------------------------------------------------------
   Mobile: Gasse bleibt schmal, aber sichtbar; Inhalt nie unter 320px
   --------------------------------------------------------------------- */
@media (max-width:400px){
  :root{--rand-aussen:14px}
  .reise{column-gap:8px}
}