/* AppCenter – Website appcenter.cloud. Keine externen Fonts/Skripte; Farben wie die App (web/src/styles.css). */
:root {
  --bg: #f4f5f7;
  --bg-hero: #e9f5fc;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --border: #dde1e6;
  --text: #1d2228;
  --muted: #59626d;
  /* CI-Blau #009CDE nur als Markenfarbe (Flächen/Linien); Schrift/Knöpfe im dunklen Ende des Logo-Verlaufs (4,8:1) */
  --brand: #009cde;
  --accent: #0878b5;
  --accent-hover: #066596;
  --on-accent: #ffffff;
  --accent-soft: #e3f2fb;
  --grey: #4a4a4a;
  --mark-bg: #fff4c2;
  --mark-border: #b88a00;
  --mark-text: #4d3a00;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 8px 24px rgb(16 24 40 / 8%);
  --radius: 14px;
  --max: 1140px;
  --mk-tile: #0878b5;
  --mk-fg: #ffffff;
  --mk-hi: #7fd6f7;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15181c;
    --bg-hero: #0f2433;
    --surface: #1d2126;
    --surface-2: #23282e;
    --border: #343a42;
    --text: #e6e9ec;
    --muted: #a3acb6;
    --accent: #2db3ec;
    --accent-hover: #5cc6f2;
    --on-accent: #0f1117;
    --accent-soft: #12324a;
    --grey: #c9ced4;
    --mark-bg: #3a3000;
    --mark-border: #e0b400;
    --mark-text: #ffe680;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 35%);
    --mk-tile: #2db3ec;
    --mk-fg: #0b1f2c;
    --mk-hi: #ffffff;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #15181c;
  --bg-hero: #0f2433;
  --surface: #1d2126;
  --surface-2: #23282e;
  --border: #343a42;
  --text: #e6e9ec;
  --muted: #a3acb6;
  --accent: #2db3ec;
  --accent-hover: #5cc6f2;
  --on-accent: #0f1117;
  --accent-soft: #12324a;
  --grey: #c9ced4;
  --mark-bg: #3a3000;
  --mark-border: #e0b400;
  --mark-text: #ffe680;
  --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 35%);
  --mk-tile: #2db3ec;
  --mk-fg: #0b1f2c;
  --mk-hi: #ffffff;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: break-word;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 1.3rem + 3.2vw, 3.4rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 24px; } }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--surface); padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 8px; }

/* Logo: hell/dunkel per CSS */
.logo-dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .logo-light { display: none; }
  :root:not([data-theme="light"]) .logo-dark { display: block; }
}
:root[data-theme="dark"] .logo-light { display: none; }
:root[data-theme="dark"] .logo-dark { display: block; }

/* Kopfzeile */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header::after { content: ""; display: block; height: 3px; background: linear-gradient(90deg, var(--brand), #0878b5 60%, var(--grey)); opacity: .9; }
.bar { display: flex; align-items: center; gap: 12px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); margin-right: auto; }
.brand img { height: 36px; width: auto; }
/* Zeichen „Ausleger“ und Wortmarke als Inline-SVG (Pfade aus Inter, SIL OFL); Farben folgen Hell/Dunkel */
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-word { height: 36px; width: auto; flex: none; }
.mk-t { fill: var(--mk-tile); }
.mk-f { fill: var(--mk-fg); }
.mk-h { fill: var(--mk-hi); }
.mk-s { stroke: var(--mk-hi); }
.wm-a { fill: var(--text); }
.wm-c { fill: var(--accent); }
.brand-sub { color: var(--muted); font-weight: 500; font-size: .85rem; line-height: 1.2; white-space: nowrap; padding-left: 10px; margin-left: 2px; border-left: 1px solid var(--border); }
@media (max-width: 479px) { .brand-sub { display: none; } }
@media (max-width: 339px) { .brand-word { display: none; } }
.nav { display: none; gap: 4px; }
.nav a { color: var(--text); text-decoration: none; white-space: nowrap; padding: 8px 12px; border-radius: 8px; font-weight: 500; }
.nav a:hover { background: var(--accent-soft); color: var(--text); }
@media (min-width: 1040px) { .nav { display: flex; } }

.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px; flex: none;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); cursor: pointer;
}
.icon-btn:hover { background: var(--accent-soft); }
.icon-btn svg { width: 20px; height: 20px; }
.theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: block; }
}
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }

/* Knöpfe */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .15s, border-color .15s, transform .15s;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }
.btn-lg { min-height: 52px; padding: 12px 24px; font-size: 1.05rem; }
@media (max-width: 380px) { .bar .btn { padding: 10px 12px; } }

/* Hero */
.hero {
  background:
    radial-gradient(1200px 500px at 85% -10%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg-hero), var(--bg));
  padding: 56px 0 64px;
}
.hero-grid { display: grid; gap: 40px; align-items: center; }
.hero-solo { max-width: 920px; }
.hero-solo .lead { max-width: 40em; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 56px; } .hero { padding: 88px 0 96px; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px;
  padding: 6px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border);
  font-size: .88rem; font-weight: 600; color: var(--muted);
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--brand); }
.hero h1 .hl { color: var(--accent); }
.lead { font-size: clamp(1.05rem, 1rem + .4vw, 1.25rem); color: var(--muted); max-width: 38em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 0; margin: 0; list-style: none; color: var(--muted); font-size: .93rem; }
.badges li { display: inline-flex; align-items: center; gap: 8px; }
.badges svg { width: 18px; height: 18px; color: var(--accent); flex: none; }

/* App-Skizze im Hero (reines HTML/CSS, keine Bildschirmfotos) */
.mock {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow);
  overflow: hidden; font-size: .82rem;
}
.mock-top { display: flex; align-items: center; gap: 6px; padding: 10px 12px; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.mock-top i { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.mock-url { margin-left: 10px; flex: 1; min-width: 0; padding: 3px 10px; border-radius: 6px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock-body { display: grid; grid-template-columns: 112px 1fr; min-height: 280px; }
.mock-side { border-right: 1px solid var(--border); padding: 12px 8px; display: grid; align-content: start; gap: 4px; }
.mock-side span { padding: 6px 8px; border-radius: 6px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock-side span.on { background: var(--accent-soft); color: var(--text); font-weight: 600; }
.mock-main { padding: 14px; min-width: 0; }
.mock-title { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; font-weight: 650; font-size: .95rem; }
.mock-title b { font-size: .75rem; padding: 4px 10px; border-radius: 6px; background: var(--accent); color: var(--on-accent); font-weight: 600; }
.mock-row { display: grid; grid-template-columns: 70px 1fr 56px; gap: 8px; padding: 7px 4px; border-bottom: 1px solid var(--border); color: var(--muted); }
.mock-row:first-of-type { font-weight: 600; color: var(--text); }
.mock-row span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock-row span:last-child { text-align: right; }
@media (max-width: 420px) { .mock-body { grid-template-columns: 1fr; } .mock-side { display: none; } }

/* Brotkrumen */
.crumbs ol { display: flex; flex-wrap: wrap; gap: 4px; list-style: none; padding: 0; margin: 0 0 16px; font-size: .93rem; color: var(--muted); }
.crumbs li + li::before { content: "›"; margin: 0 6px 0 2px; }
.crumbs a { color: var(--muted); }
.crumbs a[aria-current] { color: var(--text); text-decoration: none; font-weight: 600; }

/* Abschnitte */
section { padding: 72px 0; }
@media (min-width: 960px) { section { padding: 96px 0; } }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }
.kicker { display: block; margin-bottom: 8px; color: var(--accent); font-weight: 700; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.cards { display: grid; gap: 16px; grid-template-columns: 1fr; padding: 0; margin: 0; list-style: none; }
@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .cards { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.alt .card { background: var(--surface-2); }
.card p { color: var(--muted); margin: 0; }
.card-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); margin-bottom: 16px; }
.card-icon svg { width: 22px; height: 22px; }

/* Ablauf */
.steps { display: grid; gap: 16px; counter-reset: step; padding: 0; margin: 0; list-style: none; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.step { position: relative; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 24px 24px 76px; }
@media (min-width: 900px) { .step { padding: 72px 24px 24px; } }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 20px; top: 22px; width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-weight: 700; font-size: 1.1rem;
}
.step p { color: var(--muted); margin: 0; }
.step-note { margin-top: 24px; color: var(--muted); }

/* Sicherheit */
.sec-grid { display: grid; gap: 32px; align-items: start; }
@media (min-width: 960px) { .sec-grid { grid-template-columns: 1fr 1fr; gap: 56px; } }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.checks li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; }
.checks svg { width: 24px; height: 24px; color: var(--accent); margin-top: 2px; }
.checks strong { display: block; }
.checks span { color: var(--muted); }

.flow { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.flow-title { font-weight: 650; margin-bottom: 16px; }
.flow ol { list-style: none; margin: 0; padding: 0; }
.flow li { position: relative; display: flex; gap: 14px; align-items: center; padding: 10px 0; }
.flow li:not(:last-child)::after { content: ""; position: absolute; left: 21px; top: 56px; bottom: -8px; width: 2px; background: linear-gradient(var(--brand), var(--border)); }
.node-icon { flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.node-icon svg { width: 22px; height: 22px; }
.node strong { display: block; }
.node span { color: var(--muted); font-size: .93rem; }
.flow-zone { margin: 14px 0 0; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); border: 1px dashed var(--border); color: var(--muted); font-size: .9rem; }

/* Schema „So funktioniert es“ (nur HTML/CSS + Inline-SVG) */
.arch { display: grid; gap: 8px; justify-items: center; margin-bottom: 40px; }
@media (min-width: 900px) { .arch { grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 12px; } }
.arch-node {
  width: 100%; max-width: 360px; display: grid; justify-items: center; gap: 6px; text-align: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 16px; box-shadow: var(--shadow);
}
.arch-node > span:last-child { color: var(--muted); font-size: .93rem; }
.arch-home { border-top: 4px solid var(--brand); }
.arch-link { display: grid; justify-items: center; gap: 2px; color: var(--accent); font-size: .85rem; font-weight: 600; }
.arch-link svg { width: 48px; height: 12px; transform: rotate(90deg); margin: 18px 0; }
@media (min-width: 900px) { .arch-link svg { transform: none; margin: 0; width: 64px; } }

/* Was die Cloud weiß */
.know-box { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.know { display: grid; gap: 20px; }
@media (min-width: 480px) { .know { grid-template-columns: 1fr 1fr; } }
.know ul { margin: 6px 0 0; padding-left: 1.2em; color: var(--muted); }
.know li { margin-bottom: .3em; }

/* App-Katalog */
.app-tile { max-width: 720px; background: var(--surface); border: 1px solid var(--border); border-top: 4px solid var(--brand); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.app-tile p { color: var(--muted); }
.app-tile .cta-row { margin: 20px 0 0; }
.app-head { display: flex; gap: 14px; align-items: center; margin-bottom: 12px; }
.app-head h3 { margin: 0; font-size: 1.35rem; }
.tag { display: inline-block; margin-top: 4px; padding: 2px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--text); font-size: .8rem; font-weight: 600; }

/* Preis */
.price-grid { display: grid; gap: 32px; align-items: start; }
@media (min-width: 960px) { .price-grid { grid-template-columns: .8fr 1.2fr; gap: 56px; } }
.price-box { background: var(--surface-2); border: 1px solid var(--border); border-top: 4px solid var(--brand); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); }
.price-amount { margin: 0 0 4px; display: grid; gap: 2px; }
.price-amount strong { font-size: clamp(2.6rem, 2rem + 2.4vw, 3.6rem); line-height: 1.05; letter-spacing: -.02em; color: var(--accent); }
.price-amount span { font-size: 1.15rem; font-weight: 600; }
.price-tax { color: var(--muted); margin: 0 0 24px; }
.price-box .btn { width: 100%; }
.price-grid h3 { margin-bottom: 16px; }

/* FAQ */
.faq { display: grid; gap: 12px; max-width: 860px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 0 20px; }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 16px; margin: 0; }

/* Kontakt */
.contact-grid { display: grid; gap: 32px; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: .9fr 1.1fr; gap: 56px; } }
.form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); display: grid; gap: 16px; }
.alt .form { background: var(--surface-2); }
.alt .flow { background: var(--surface-2); }
.form-row { display: grid; gap: 16px; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .93rem; }
.field input, .field textarea {
  font: inherit; color: var(--text); background: var(--surface); width: 100%;
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px; min-height: 46px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: var(--brand); }
.choice { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.choice legend { font-weight: 600; font-size: .93rem; padding: 0; margin-bottom: 6px; width: 100%; }
.choice label { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.choice input { width: 20px; height: 20px; margin: 0; accent-color: var(--accent); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); flex: none; }
.hint { color: var(--muted); font-size: .88rem; margin: 0; }
.hint.ok, .hint.fehler { font-size: .95rem; font-weight: 600; padding: 12px 14px; border-radius: 8px; border: 1px solid; }
.hint.ok { color: var(--text); border-color: var(--accent); }
.hint.fehler { color: var(--text); border-color: #d64545; }
.hint:empty { display: none; }
.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.contact-list li { display: flex; gap: 12px; align-items: center; }
.contact-list svg { width: 22px; height: 22px; color: var(--accent); flex: none; }

/* Platzhalter für Angaben, die IWM liefern muss – bewusst auffällig */
.platzhalter {
  background: var(--mark-bg); color: var(--mark-text); border: 1px dashed var(--mark-border);
  border-radius: 4px; padding: 0 .3em; font-style: normal;
}
a .platzhalter { color: var(--mark-text); }

/* Rechtstexte */
.legal { padding: 48px 0 72px; }
.legal .wrap { max-width: 820px; }
.legal h1 { font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.5rem); }
.legal h2 { font-size: 1.35rem; margin-top: 2em; }
.legal h3 { margin-top: 1.5em; }
.legal address { font-style: normal; }
.legal ul { padding-left: 1.3em; }
.legal li { margin-bottom: .4em; }
.note-box { background: var(--mark-bg); color: var(--mark-text); border: 1px solid var(--mark-border); border-radius: 12px; padding: 14px 16px; margin: 0 0 32px; }
.back { display: inline-block; margin-bottom: 24px; }

/* 404 */
.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 72px 0; }
.notfound .code { font-size: clamp(4rem, 3rem + 6vw, 7rem); font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 8px; }

/* Fußzeile */
.site-footer { border-top: 1px solid var(--border); background: var(--surface); padding: 32px 0; color: var(--muted); font-size: .93rem; }
.foot { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; }
.foot nav { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.foot a { color: var(--muted); }
.foot a:hover { color: var(--accent); }
.foot img { height: 30px; width: auto; }
.foot .foot-brand { margin-right: 0; color: var(--text); font-weight: 700; }
.foot .foot-brand:hover { color: var(--text); }
.foot-brand .brand-mark, .foot-brand .brand-word { height: 30px; }
.foot-brand .brand-mark { width: 30px; }
.foot .anbieter a { color: var(--muted); }