/* avintu.de – Gestaltung „Karteikasten“ (Entwurf B). Regeln und Bausteine: DESIGN.md.
   Keine externen Ressourcen: Schriften liegen in /fonts, Bilder in /img bzw. /<app>/img. */

@font-face { font-family: "Archivo"; src: url("/fonts/archivo-latin-wdth.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Sans"; src: url("/fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); font-weight: 600 700; font-display: swap; }

/* Tokens */
:root {
  --bg: #EEF2F5; --grid: #DCE5EC; --card: #FFFFFF; --ink: #17212B; --muted: #56626E; --rule: #CAD6E0;
  --accent: #0E518D; --stamp: #1F7A4A; --pro: #B5651D; --margin-line: rgba(192, 57, 43, .4);
  --shadow: 0 18px 32px -22px rgba(15, 35, 55, .45); --frame: #17212B;
  --display: "Archivo", -apple-system, "Segoe UI", Arial, sans-serif;
  --body: "IBM Plex Sans", -apple-system, "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0D1620; --grid: #152330; --card: #14202B; --ink: #E5ECF2; --muted: #8E9EAD; --rule: #253747;
    --accent: #6AA6E8; --stamp: #5CCB8E; --pro: #E79A55; --margin-line: rgba(240, 122, 110, .35);
    color-scheme: dark;
  }
}

/* Grundlagen */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); font: 17px/1.6 var(--body);
  background-color: var(--bg);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
a, button, summary { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
[id] { scroll-margin-top: 24px; }
.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 20px; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--ink); color: var(--card); padding: 10px 14px; border-radius: 6px; z-index: 10; }
.skip:focus { top: 12px; }
.mono, .eyebrow, .crumbs { font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; font-size: 12.5px; }
.mail { font-weight: 600; user-select: all; }
mark.todo { background: #FFE36E; color: #14161A; padding: 0 .2em; border-radius: 3px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* Kopf und Fuß */
.site-header .wrap { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; padding-block: 28px 14px; border-bottom: 2px solid var(--ink); }
.logo { font: 800 32px/1 var(--display); font-stretch: 115%; letter-spacing: -.02em; text-decoration: none; color: var(--ink); }
.logo .wordmark { display: block; height: 40px; width: auto; }
.logo .tick { stroke: var(--accent); }
.logo small { display: block; font: 500 11.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 8px; font-stretch: 100%; }
.site-nav { display: flex; gap: 22px; font: 500 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.site-nav a { color: var(--ink); text-decoration: none; padding-block: 4px; border-bottom: 2px solid transparent; transition: border-color .15s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { border-color: var(--ink); }
.site-footer { border-top: 2px solid var(--ink); padding-block: 22px 44px; font: 12.5px/1.4 var(--mono); color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; text-transform: uppercase; letter-spacing: .08em; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

/* Knöpfe */
.btn, .applinks a { font: 600 12.5px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 14px 16px; border: 2px solid var(--ink); border-radius: 6px; text-decoration: none; color: var(--ink); background: var(--card); transition: transform .15s cubic-bezier(.16, 1, .3, 1), background-color .15s, color .15s; }
.btn:hover, .applinks a:hover { background: var(--ink); color: var(--card); }
.badge { display: inline-flex; align-items: center; gap: 10px; background: #000; color: #fff; text-decoration: none; border-radius: 12px; padding: 8px 18px 8px 14px; border: 1px solid #A6A6A6; transition: transform .15s cubic-bezier(.16, 1, .3, 1); }
.badge span { display: grid; font: 600 20px/1 var(--body); letter-spacing: -.01em; }
.badge small { font-size: 11px; font-weight: 400; letter-spacing: .02em; margin-bottom: 2px; }
.badge.soon { background: transparent; color: var(--muted); border: 2px dashed var(--rule); }
.btn:active, .badge:active, .applinks a:active, .index .app:active { transform: scale(.98); }
.meta { font: 500 12.5px/1.4 var(--mono); color: var(--muted); }

/* Startseite */
.hero { padding-block: 64px 48px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: end; }
.hero h1 { font: 800 clamp(44px, 8vw, 96px)/.92 var(--display); font-stretch: 75%; text-transform: uppercase; margin: 0; text-wrap: balance; }
.hero p { margin: 0; font-size: 18px; color: var(--muted); border-left: 2px solid var(--ink); padding-left: 18px; }
.secthead { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; border-bottom: 1px solid var(--ink); padding-bottom: 8px; margin: 0 0 22px; }
.secthead h2 { font: 800 26px/1 var(--display); font-stretch: 85%; text-transform: uppercase; margin: 0; }
.secthead span { font: 500 12px/1 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }

.kk { position: relative; padding-top: 32px; margin-bottom: 64px; }
/* „Neu“: Karten liegen übereinander und wechseln (Animation erzeugt build.py); ohne Animation bleibt die neueste stehen */
.neu { display: grid; grid-template-columns: minmax(0, 1fr); }
.neu > .kk { grid-area: 1 / 1; }
.neu > .kk + .kk { opacity: 0; visibility: hidden; }
.neu:hover > .kk, .neu:focus-within > .kk { animation-play-state: paused; }
.kk .tab { position: absolute; top: 0; left: 22px; height: 34px; padding: 9px 18px 0; border-radius: 10px 10px 0 0; font: 600 12.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #fff; background: var(--c); }
.kk .sheet { background: var(--card); border: 1px solid var(--rule); border-top: 6px solid var(--c); border-radius: 4px 12px 12px 12px; box-shadow: var(--shadow); display: grid; grid-template-columns: 1.25fr 1fr; gap: 32px; padding: 36px 40px 0; overflow: hidden; }
.kk .left { padding-bottom: 36px; display: grid; gap: 16px; align-content: start; justify-items: start; min-width: 0; }
.kk .head { display: flex; gap: 16px; align-items: center; border-bottom: 2px solid var(--c); padding-bottom: 16px; justify-self: stretch; }
.kk .head img { width: 76px; height: 76px; border-radius: 17px; }
.kk h3 { margin: 0; font: 800 44px/1 var(--display); font-stretch: 88%; }
.kk .sub { margin: 4px 0 0; color: var(--muted); }
.kk p { margin: 0; }
.stamp { position: absolute; right: 20px; top: -2px; transform: rotate(-6deg); font: 700 12.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--stamp); border: 2.5px solid var(--stamp); border-radius: 6px; padding: 7px 10px; background: var(--card); }
.btnrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.phones { display: flex; justify-content: center; align-items: flex-end; gap: 14px; height: 400px; align-self: end; }
.phones picture { display: block; width: 48%; max-width: 210px; margin-bottom: -70px; }
.phones picture:first-child { margin-bottom: -130px; }
.phones img { border-radius: 28px 28px 0 0; box-shadow: 0 0 0 6px var(--frame); }

.tablewrap { overflow-x: auto; margin-bottom: 72px; }
table.index { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--rule); font-size: 16px; }
.index th { font: 600 11.5px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); text-align: left; padding: 12px 16px; border-bottom: 2px solid var(--ink); white-space: nowrap; }
.index td { padding: 14px 16px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.index tr:last-child td { border-bottom: 0; }
.index .app { display: inline-flex; gap: 12px; align-items: center; font-weight: 600; text-decoration: none; color: var(--ink); white-space: nowrap; transition: transform .15s; }
.index .app img { width: 36px; height: 36px; border-radius: 8px; }
.index .cat { font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 5px 8px; border-radius: 4px; border: 1px solid var(--rule); white-space: nowrap; }
.index td.go a { font: 600 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; white-space: nowrap; }

.rules { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); background: var(--card); margin-bottom: 64px; }
.rules div { padding: 22px; border-right: 1px solid var(--rule); }
.rules div:last-child { border-right: 0; }
.rules h3 { margin: 0 0 6px; font: 800 21px/1.1 var(--display); font-stretch: 85%; text-transform: uppercase; }
.rules p { margin: 0; color: var(--muted); font-size: 15px; }
.about { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; margin-bottom: 72px; }
.about .secthead { border: 0; }
.about p { margin: 0 0 10px; }

/* App-Seite */
.apppage { padding-block: 28px 72px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); margin: 0 0 26px; }
.crumbs a { color: var(--muted); }
.app-hero { display: grid; grid-template-columns: auto 1fr; gap: 32px; padding-bottom: 40px; border-bottom: 2px solid var(--ink); }
.app-icon { width: 140px; height: 140px; border-radius: 31px; }
.eyebrow { color: var(--muted); margin: 0 0 6px; }
.app-hero h1 { font: 800 clamp(52px, 9vw, 104px)/.9 var(--display); font-stretch: 75%; text-transform: uppercase; margin: 0; }
.app-sub { font: 500 14px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 10px 0 18px; }
.app-lead { font-size: 19px; max-width: 34em; margin: 0 0 24px; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0 0 56px; border-bottom: 2px solid var(--ink); background: var(--card); }
.facts div { padding: 24px; border-right: 1px solid var(--rule); }
.facts div:last-child { border-right: 0; }
.facts dt { font: 800 52px/1 var(--display); font-stretch: 80%; color: var(--accent); font-variant-numeric: tabular-nums; }
.facts dd { margin: 8px 0 0; font-size: 15px; color: var(--muted); }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(12px, 3vw, 32px); }
.gallery figure { margin: 0; display: grid; gap: 14px; justify-items: center; }
.gallery figure:nth-child(2) { transform: translateY(24px); }
.gallery picture { display: block; max-width: 250px; width: 100%; }
.gallery img { border-radius: 30px; box-shadow: 0 0 0 6px var(--frame), 0 24px 40px -24px rgba(15, 35, 55, .6); }
.gallery figcaption { font: 500 12px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); text-align: center; }
.sec { font: 800 clamp(30px, 5vw, 52px)/.95 var(--display); font-stretch: 78%; text-transform: uppercase; margin: 96px 0 24px; border-bottom: 1px solid var(--ink); padding-bottom: 12px; text-wrap: balance; }
.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); background: var(--card); border: 1px solid var(--rule); }
.feat { padding: 24px 26px; border-bottom: 1px solid var(--rule); }
.feat:nth-child(odd) { border-right: 1px solid var(--rule); }
.feat h3 { margin: 0 0 6px; font: 700 19px/1.25 var(--display); font-stretch: 95%; }
.feat p { margin: 0; color: var(--muted); font-size: 16px; }
.pro { font: 700 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--pro); border: 1.5px solid currentColor; border-radius: 4px; padding: 3px 5px; margin-left: 8px; vertical-align: 4px; white-space: nowrap; }
.pricing { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.plan { background: var(--card); border: 1px solid var(--rule); border-top: 6px solid var(--muted); padding: 28px; border-radius: 4px; }
.plan.plus { border-top-color: var(--pro); }
.plan h3 { margin: 0; font: 600 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.price { font: 800 56px/1 var(--display); font-stretch: 80%; margin: 14px 0 20px; }
.price small { font: 500 13px/1 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.plan ul { margin: 0; padding: 0; list-style: none; }
.plan li { padding: 9px 0; border-top: 1px dashed var(--rule); }
.plan li::before { content: "☑ "; color: var(--accent); }
.fine { font: 13px/1.5 var(--mono); color: var(--muted); margin-top: 22px; }
.applinks { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }

/* Textseiten (Support, Hilfe, Rechtliches) */
.textpage { padding-block: 40px 80px; }
.textpage .inner { background: var(--card); border: 1px solid var(--rule); border-radius: 4px; max-width: 780px; padding: 44px clamp(24px, 6vw, 64px); box-shadow: var(--shadow); position: relative; }
.textpage .inner::before { content: ""; position: absolute; left: clamp(10px, 3vw, 36px); top: 0; bottom: 0; border-left: 2px solid var(--margin-line); }
.textpage h1 { font: 800 clamp(36px, 6.5vw, 60px)/.95 var(--display); font-stretch: 78%; text-transform: uppercase; margin: 0 0 20px; hyphens: manual; text-wrap: balance; }
.textpage h2 { font: 600 13.5px/1.35 var(--mono); text-transform: uppercase; letter-spacing: .07em; margin: 32px 0 8px; }
.textpage ul { padding-left: 20px; }
.lede { font-size: 18px; color: var(--muted); }
.summary { border: 2px solid var(--ink); padding: 16px 20px; margin: 24px 0; }
.summary h2 { margin: 0 0 6px; }
.summary p { margin: 0; font-weight: 600; }
.picker { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; margin: 24px 0; }
.pick { display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit; border: 1px solid var(--rule); border-radius: 6px; padding: 14px; background: var(--bg); transition: transform .15s; }
.pick:active { transform: scale(.98); }
.pick img { width: 44px; height: 44px; border-radius: 10px; }
.pick span { display: grid; }
.pick small { font: 500 11.5px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.contact { border-top: 2px solid var(--ink); margin-top: 36px; }
.contact p { margin: 0; }
details { border-top: 1px solid var(--rule); padding: 14px 0; }
details:last-of-type { border-bottom: 1px solid var(--rule); }
summary { font-weight: 600; cursor: pointer; }
details p { margin: 8px 0 0; color: var(--muted); }
details ul { margin: 8px 0 0; color: var(--muted); }
.notfound { text-align: left; }

/* Schmale Bildschirme */
@media (max-width: 860px) {
  .hero, .about { grid-template-columns: 1fr; }
  .kk .sheet { grid-template-columns: 1fr; padding: 28px 22px 0; }
  .kk .left { padding-bottom: 8px; }
  .phones { height: auto; padding-top: 8px; }
  .phones picture + picture { display: none; }
  .phones picture:first-child { margin-bottom: -90px; width: 70%; }
  .rules { grid-template-columns: 1fr 1fr; }
  .rules div { border-bottom: 1px solid var(--rule); }
  .app-hero { grid-template-columns: 1fr; }
  .app-icon { width: 100px; height: 100px; border-radius: 22px; }
  .facts, .features, .pricing { grid-template-columns: 1fr; }
  .facts div { border-right: 0; border-bottom: 1px solid var(--rule); }
  .feat:nth-child(odd) { border-right: 0; }
  .gallery { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 64%; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; overscroll-behavior-x: contain; }
  .gallery figure { scroll-snap-align: center; transform: none !important; }
  .cat-cell, .what-cell { display: none; }
}
@media (max-width: 480px) {
  .rules { grid-template-columns: 1fr; }
  .kk h3 { font-size: 34px; }
  .kk .head img { width: 60px; height: 60px; }
  .stamp { top: 4px; right: 10px; font-size: 11px; }
  .gallery img { border-radius: 18px; box-shadow: 0 0 0 4px var(--frame); }
}
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Erzeugt von build.py: Markenfarbe je App aus app.json */
.app-pendeltage { --c: #0E518D; }
.app-brueckenfuchs { --c: #A84A0C; }
@keyframes neu { 0%, 46.25% { opacity: 1; visibility: visible; } 50.0%, 96.25% { opacity: 0; visibility: hidden; } 100% { opacity: 1; visibility: visible; } }
.neu > .kk { animation: neu 16s linear infinite; }
.neu > .kk:nth-child(2) { animation-delay: -8s; }