/* Schaufenster vision.vision-ml.de — Marke Logo 2027 */

:root {
  --grund: #ECEEF1;
  --flaeche: #FFFFFF;
  --tinte: #15171B;
  --tinte-2: #4A5059;
  --linie: rgba(21, 23, 27, 0.14);
  --blau: #2F6BFF;
  --blau-knopf: #2B66F7; /* Markenblau #2F6BFF eine Spur dunkler, damit weiße Schrift 4,8:1 hat */
  --blau-tief: #1F55D6;
  --cyan: #22D3EE;
  --rand: clamp(16px, 4vw, 56px);
  --breite: 1320px;
  --weich: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scrollbar-color: var(--tinte-2) var(--grund);
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--grund); }
::-webkit-scrollbar-thumb { background: var(--tinte-2); border-radius: 10px; border: 2px solid var(--grund); }

::selection { background: var(--blau); color: #fff; }

body {
  margin: 0;
  background: var(--grund);
  color: var(--tinte);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  caret-color: var(--blau);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-underline-offset: 0.2em; }

:focus-visible {
  outline: 2px solid var(--blau);
  outline-offset: 3px;
  border-radius: 4px;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sprung {
  position: absolute;
  left: var(--rand);
  top: -100px;
  background: var(--tinte);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 10;
}
.sprung:focus { top: 12px; }

/* Kopf */

.kopf {
  max-width: var(--breite);
  margin: 0 auto;
  padding: 22px var(--rand);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.marke { display: inline-flex; color: var(--tinte); min-height: 44px; align-items: center; }
.logo { width: clamp(150px, 22vw, 220px); height: auto; display: block; }

.kopf-nav { display: flex; gap: clamp(4px, 2vw, 24px); }
.kopf-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--tinte);
}
.kopf-nav a span { border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.kopf-nav a:hover span { border-bottom-color: currentColor; }

/* Einstieg */

.einstieg {
  max-width: var(--breite);
  margin: 0 auto;
  padding: clamp(48px, 10vw, 136px) var(--rand) clamp(40px, 7vw, 96px);
}

h1, h2, h3 { text-wrap: balance; margin: 0; }

h1 {
  font-weight: 400;
  font-size: clamp(2.5rem, 6.4vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  max-width: 13ch;
}
h1 strong, h2 strong { font-weight: 700; }

.einstieg-text {
  margin: 28px 0 0;
  max-width: 46ch;
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  color: var(--tinte-2);
}

/* Arbeiten */

.arbeiten {
  max-width: var(--breite);
  margin: 0 auto;
  padding: 0 var(--rand) clamp(64px, 9vw, 128px);
}

.arbeiten-titel {
  font-size: 0.9375rem;
  font-weight: 600;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--linie);
}

.kacheln {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(48px, 6vw, 88px) clamp(24px, 4vw, 56px);
  padding-top: clamp(28px, 4vw, 48px);
}

.kachel { display: flex; flex-direction: column; min-width: 0; }

.kachel-bildlink { display: block; border-radius: 6px; }

.kachel-bild {
  margin: 0;
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 6px;
  overflow: hidden;
  background: #d9dde3;
  box-shadow: 0 18px 40px -24px rgba(21, 23, 27, 0.5);
}
.kachel-bild img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--weich);
}
.kachel-bild.handy { background: var(--grund); }
.kachel-bild.handy img {
  width: auto;
  height: 86%;
  max-width: 100%;
  margin: 7% auto 0;
  object-fit: contain;
  border-radius: 18px;
  box-shadow: 0 20px 36px -18px rgba(0, 0, 0, 0.7);
}
.kachel-bildlink:hover .kachel-bild img { transform: scale(1.02); }

.bild-hinweis, .bild-schloss {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  background: rgba(21, 23, 27, 0.78);
  padding: 4px 10px;
  border-radius: 999px;
}
.bild-schloss { left: auto; right: 12px; }
.bild-schloss .icon { width: 1em; height: 1em; }

.kachel-text { padding-top: 22px; display: flex; flex-direction: column; flex: 1; }
.kachel-text h3 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.kachel-zeile { margin: 8px 0 14px; color: var(--tinte-2); font-size: 0.9375rem; }
.kachel-zeile strong { color: var(--tinte); font-weight: 600; }
.kachel-text p { max-width: 52ch; }
.kachel-text > p:not([class]) { margin: 0; }
.kachel-von { margin: 14px 0 0; font-size: 0.875rem; color: var(--tinte-2); }
.kachel-aktion {
  margin-top: auto;
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}
.kachel-leise { font-size: 0.8125rem; color: var(--tinte-2); }
.kachel-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  min-height: 52px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--tinte-2);
}

/* Knöpfe */

.knopf {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  background: var(--blau-knopf);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.25s var(--weich), transform 0.25s var(--weich);
}
.knopf:hover { background: var(--blau-tief); }
.knopf:active { transform: scale(0.97); }
.knopf .icon { transition: transform 0.25s var(--weich); }
.knopf:hover .icon { transform: translateX(3px); }

.knopf-ruhig {
  background: transparent;
  color: var(--tinte);
  box-shadow: inset 0 0 0 1.5px var(--tinte);
}
.knopf-ruhig:hover { background: var(--tinte); color: #fff; }
.knopf-ruhig:hover .icon { transform: none; }

/* Anfrage */

.anfrage {
  background: var(--tinte);
  color: #fff;
  padding: clamp(64px, 10vw, 140px) var(--rand);
  text-align: center;
}
.anfrage h2 {
  font-size: clamp(2rem, 4.6vw, 3.75rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.06;
  max-width: 16ch;
  margin: 0 auto;
}
.anfrage p { margin: 20px auto 36px; max-width: 44ch; color: #C3C8D0; }
.anfrage .knopf:focus-visible { outline-color: var(--cyan); }

/* Fuß */

.fuss {
  background: var(--tinte);
  color: #C3C8D0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px max(var(--rand), calc((100% - var(--breite)) / 2 + var(--rand))) 96px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 24px;
  font-size: 0.875rem;
}
.fuss nav { display: flex; gap: 20px; }
.fuss a { display: inline-flex; align-items: center; min-height: 44px; }
.fuss a:hover { color: #fff; }
.fuss :focus-visible { outline-color: var(--cyan); }

/* Nach oben */

.nach-oben {
  position: fixed;
  right: var(--rand);
  bottom: 20px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--flaeche);
  color: var(--tinte);
  box-shadow: 0 6px 18px -8px rgba(21, 23, 27, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s var(--weich), transform 0.3s var(--weich), visibility 0.3s;
}
.nach-oben.zeigen { opacity: 1; visibility: visible; transform: none; }

/* Das eine Markenelement: die Kettenglieder zeichnen sich beim Laden */

.js-an .glied {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: glied-zeichnen 1.1s var(--weich) 0.15s forwards;
}
.js-an .glied-2 { animation-delay: 0.45s; }
.js-an .wort { opacity: 0; animation: wort-ein 0.9s var(--weich) 0.75s forwards; }

@keyframes glied-zeichnen { to { stroke-dashoffset: 0; } }
@keyframes wort-ein { to { opacity: 1; } }

/* Handy */

@media (max-width: 860px) {
  .kacheln { grid-template-columns: minmax(0, 1fr); }
  .kopf-nav .nur-gross { display: none; }
}

@media (max-width: 420px) {
  .kopf { padding-top: 14px; padding-bottom: 14px; gap: 8px; }
  .logo { width: 128px; }
  .kopf-nav a { font-size: 0.875rem; }
  .knopf { width: 100%; justify-content: center; }
}

/* Passwortfenster */

.zugang {
  width: min(440px, calc(100% - 32px));
  padding: 0;
  border: 0;
  border-radius: 12px;
  background: var(--flaeche);
  color: var(--tinte);
  box-shadow: 0 30px 60px -20px rgba(21, 23, 27, 0.45);
}
.zugang::backdrop { background: rgba(21, 23, 27, 0.55); }
.zugang[open] { animation: zugang-ein 0.35s var(--weich); }
@keyframes zugang-ein { from { opacity: 0; transform: translateY(12px) scale(0.98); } }
@media (prefers-reduced-motion: reduce) { .zugang[open] { animation: none; } }

.zugang-form { padding: clamp(24px, 5vw, 36px); }
.zugang-schloss {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--grund);
  color: var(--tinte);
  margin-bottom: 18px;
}
.zugang-schloss .icon { width: 22px; height: 22px; }
.zugang h2 { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.zugang-text { margin: 10px 0 22px; color: var(--tinte-2); }
.zugang-label { display: block; font-weight: 600; font-size: 0.9375rem; margin-bottom: 8px; }
.zugang-feld {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  font: inherit;
  color: var(--tinte);
  background: var(--grund);
  border: 1.5px solid transparent;
  border-radius: 10px;
  transition: border-color 0.2s, background-color 0.2s;
}
.zugang-feld:focus { outline: none; border-color: var(--blau); background: var(--flaeche); }
.zugang-feld[aria-invalid="true"] { border-color: #B42318; }
.zugang-fehler { margin: 10px 0 0; color: #B42318; font-size: 0.9375rem; font-weight: 600; }
.zugang-knoepfe { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.zugang-knoepfe .knopf { flex: 1 1 auto; justify-content: center; border: 0; font: inherit; font-weight: 600; cursor: pointer; }
.zugang-knoepfe .knopf[aria-busy="true"] { opacity: 0.7; pointer-events: none; }
.zugang-leise { margin: 18px 0 0; font-size: 0.875rem; color: var(--tinte-2); }
.zugang-leise a { color: var(--tinte); white-space: nowrap; }

/* Steckbrief-Seiten (arbeiten/<name>.html) */

.sb-einstieg {
  max-width: var(--breite);
  margin: 0 auto;
  padding: clamp(32px, 6vw, 80px) var(--rand) clamp(48px, 7vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.sb-zurueck {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--tinte-2);
  text-decoration: none;
}
.sb-zurueck:hover { color: var(--tinte); }
.sb-einstieg h1 { margin-top: clamp(16px, 3vw, 32px); max-width: 14ch; }
.sb-einstieg .kachel-zeile { margin-top: 14px; font-size: 1rem; }
.sb-lead { font-size: clamp(1.125rem, 1.6vw, 1.375rem); line-height: 1.5; max-width: 34ch; margin: 18px 0 0; }
.sb-aktion { margin-top: 32px; }

.sb-held {
  margin: 0;
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  background: var(--grund);
  display: grid;
  place-items: center;
  overflow: hidden;
  box-shadow: 0 24px 50px -28px rgba(21, 23, 27, 0.55);
}
.sb-held.breit { aspect-ratio: 16 / 10; }
.sb-held.breit img { width: 100%; height: 100%; max-width: none; object-fit: cover; border-radius: 0; box-shadow: none; }
.sb-held.handy img {
  height: 88%;
  width: auto;
  max-width: 90%;
  object-fit: contain;
  border-radius: 22px;
  box-shadow: 0 24px 40px -20px rgba(0, 0, 0, 0.7);
}

.sb-block {
  max-width: var(--breite);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) var(--rand);
  border-top: 1px solid var(--linie);
}
.sb-block h2 { font-size: clamp(1.5rem, 2.6vw, 2.125rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }
.sb-zwei { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 16px clamp(32px, 5vw, 72px); }
.sb-fliess p { margin: 0 0 16px; max-width: 62ch; font-size: 1.0625rem; }

.sb-funktionen {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(32px, 5vw, 72px);
}
.sb-funktionen li { padding: 24px 0; border-top: 1px solid var(--linie); }
.sb-funktionen .icon { width: 26px; height: 26px; color: var(--blau-knopf); }
.sb-funktionen h3 { margin: 12px 0 6px; font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; }
.sb-funktionen p { margin: 0; color: var(--tinte-2); max-width: 44ch; }

.sb-bilder { background: var(--grund); padding: clamp(40px, 7vw, 96px) var(--rand); }
.sb-bilder-reihe {
  max-width: var(--breite);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(24px, 4vw, 48px) clamp(16px, 3vw, 40px);
}
.sb-bilder figure { margin: 0; text-align: center; }
.sb-bilder figure.handy { flex: 0 1 280px; }
.sb-bilder figure.breit { flex: 1 1 calc(50% - 40px); max-width: 640px; min-width: 0; }
.sb-bilder img {
  width: 100%;
  height: auto;
  border-radius: 22px;
  box-shadow: 0 24px 40px -20px rgba(0, 0, 0, 0.7);
}
.sb-bilder figure.breit img { border-radius: 8px; }
.sb-bilder figcaption { margin-top: 14px; font-size: 0.875rem; font-weight: 600; color: rgba(255, 255, 255, 0.88); }
.sb-bilder.hell figcaption { color: var(--tinte); }

.sb-fakten {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0 24px;
  margin: 24px 0 0;
  max-width: 62ch;
}
.sb-fakten dt, .sb-fakten dd { padding: 12px 0; border-top: 1px solid var(--linie); margin: 0; }
.sb-fakten dt { font-weight: 600; font-size: 0.9375rem; }
.sb-fakten dd { color: var(--tinte-2); }

.sb-weitere ul { list-style: none; margin: 24px 0 8px; padding: 0; }
.sb-weitere li a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 18px 0;
  border-top: 1px solid var(--linie);
  text-decoration: none;
}
.sb-weitere li a strong { font-size: 1.25rem; font-weight: 600; }
.sb-weitere li a span { color: var(--tinte-2); font-size: 0.9375rem; }
.sb-weitere li a:hover strong { text-decoration: underline; text-underline-offset: 0.2em; }

@media (max-width: 860px) {
  .sb-einstieg, .sb-zwei { grid-template-columns: minmax(0, 1fr); }
  .sb-held.handy { aspect-ratio: 1 / 1; }
  .sb-funktionen { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .sb-bilder-reihe { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
  .sb-bilder figure.handy { flex: 0 0 70%; scroll-snap-align: center; }
  .sb-bilder figure.breit { flex: 0 0 88%; scroll-snap-align: center; }
  .sb-bilder figure:only-child { margin: 0 auto; }
}