/* Landingpage – ruhig, viel Weißraum: Weiß und kühles Hellgrau, ein dunkles Band, schwarze Knöpfe, ein Akzent (Petrol).
   Eigener Code; der Produktname kommt in dieser Datei nicht vor. Keine externen Schriften. */
:root, html[data-theme="A"] {
  /* ===== Farbvarianten =====
     Umschalten über <html data-theme="A|B|C"> in index.html (Standard: A).
     Vorschau per Adresse: index.html?theme=B
     A  Graphit & Kobalt, warm abgestimmt (Standard): warmes Fast-Weiß, warmes Graphit, gedecktes Kobalt
     B  Anthrazit & Petrol: Weiß, kühles Hellgrau, ein dunkles Band, Akzent Petrol
     C  Eisblau & Violett: grau-blau getönte Flächen, Nachtblau, Akzent Violett */
  --page: #fbfaf8;
  --mist: #f3f1ee;
  --ink: #22201d;
  --text: #4a4641;
  --muted: #827b73;
  --line: #e8e4de;
  --accent: #3d4fb8;
  --accent-soft: #eceefa;
  --btn-hover: #3a3733;
  --header-bg: rgba(251,250,248,.88);
  --flow-bg: linear-gradient(160deg, #fdfcfb 0%, #f2f1f4 100%);
  --flow-stroke: #cdc7bf;
  --band-bg: #f3f1ee;
  --band-text: #4a4641;
  --band-kicker: #827b73;
  --white: #ffffff;
  --sans: "Helvetica Neue", Helvetica, Arial, system-ui, -apple-system, "Segoe UI", sans-serif;
}
html[data-theme="B"] {
  --page: #ffffff; --mist: #f3f5f8; --ink: #0f141a; --text: #3d4550; --muted: #6b7480; --line: #e2e7ee;
  --accent: #0e7c7b; --accent-soft: #e6f2f2; --btn-hover: #26303b; --header-bg: rgba(255,255,255,.86);
  --flow-bg: linear-gradient(160deg, #f6f8fb 0%, #eaf3f3 100%); --flow-stroke: #b7c2cf;
  --band-bg: #0f141a; --band-text: #c9d1db; --band-kicker: #5fc4c0;
}
html[data-theme="C"] {
  --page: #eff4fa; --mist: #e2eaf4; --ink: #0d1b2a; --text: #3b4a5c; --muted: #6a7889; --line: #d3ddea;
  --accent: #6552e8; --accent-soft: #ecebfc; --btn-hover: #1f3147; --header-bg: rgba(239,244,250,.86);
  --flow-bg: linear-gradient(160deg, #ffffff 0%, #e8ecfa 100%); --flow-stroke: #b3c0d2;
  --band-bg: #d8e3f0; --band-text: #2f3e50; --band-kicker: #6552e8;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--page); color: var(--ink); font: 300 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 300; color: var(--ink); }
h1 { font-size: clamp(1.95rem, 3.3vw, 2.75rem);
}
.h1-line { white-space: nowrap; }
@media (max-width: 400px) { .h1-line { white-space: normal; } }
h1 { line-height: 1.3; letter-spacing: -.015em; }
h2 { font-size: clamp(1.55rem, 2.5vw, 2rem); line-height: 1.2; letter-spacing: -.01em; }
h3 { font-size: 1.08rem; line-height: 1.45; font-weight: 400; }
a { color: inherit; text-underline-offset: 3px; }
svg { display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 16px; top: -60px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 99; }
.skip-link:focus { top: 12px; }
.wrap { width: min(1000px, 100% - 48px); margin-inline: auto; }

/* Knöpfe */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 24px; border-radius: 999px; font: 400 .92rem/1 var(--sans); letter-spacing: .01em; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--btn-hover); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--ink); }
.btn-sm { min-height: 38px; padding: 0 18px; font-size: .88rem; }

/* Kopfzeile */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--header-bg); backdrop-filter: saturate(1.6) blur(12px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; width: min(1280px, 100% - 48px); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 400; font-size: 1.02rem; letter-spacing: .02em; }
.brand-mark { width: 26px; height: 26px; border-radius: 7px; background: var(--ink); position: relative; flex: none; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; border-left: 2.5px solid #fff; border-top: 2.5px solid #fff; }
.brand-mark::before { left: 6px; top: 6px; width: 14px; height: 14px; }
.brand-mark::after { left: 11px; top: 11px; width: 9px; height: 9px; border-color: rgba(255,255,255,.55); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav-link { text-decoration: none; font-size: .92rem; color: var(--text); }
.nav-link:hover { color: var(--ink); }

/* Hero */
.hero { padding: 136px 0 160px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero-sub { margin-top: 28px; font-size: 1rem; color: var(--text); max-width: 31em; }
.rotator { margin: 14px 0 32px; color: var(--text); }
.rotator-word { display: inline-block; color: var(--ink); font-weight: 400; border-bottom: 1px solid var(--line); transition: opacity .3s, transform .3s; }
.rotator-word.out { opacity: 0; transform: translateY(5px); }
.hero-meta { margin-top: 28px; font-size: .78rem; color: var(--muted); }

/* Grafik Quellen → Produkt → Freigabe */
.flow { margin: 0; display: grid; justify-items: center; background: var(--flow-bg); border: 1px solid var(--line); border-radius: 16px; padding: 28px 22px 26px; }
.flow-row { list-style: none; margin: 0; padding: 0; width: 100%; display: grid; grid-template-columns: repeat(5, 1fr); }
.flow-row li { display: grid; justify-items: center; gap: 6px; font-size: .72rem; color: var(--muted); }
.flow-row svg { width: 34px; height: 34px; padding: 7px; border: 1px solid var(--line); border-radius: 9px; background: #fff; fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.flow-lines { width: 100%; height: 46px; }
.flow-lines path { fill: none; stroke: var(--flow-stroke); stroke-width: 1.2; stroke-dasharray: 3 4; vector-effect: non-scaling-stroke; animation: dash 14s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -140; } }
.flow-core { display: inline-flex; align-items: center; gap: 10px; padding: 10px 18px; border-radius: 999px; background: var(--ink); color: #fff; font-size: .82rem; letter-spacing: .02em; }
.flow-core strong { font-weight: 400; }
.flow-core .brand-mark { width: 20px; height: 20px; background: transparent; }
.flow-core .brand-mark::before { left: 3px; top: 3px; width: 13px; height: 13px; }
.flow-core .brand-mark::after { left: 8px; top: 8px; width: 8px; height: 8px; }
.flow-down { width: 0; height: 28px; border-left: 1.2px dashed var(--accent); }
.flow-release { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--accent); background: #fff; color: var(--accent); font-size: .82rem; }
.flow-release svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* Band */
.band { background: var(--band-bg); padding: 56px 0 60px; text-align: center; }
.kicker { font-size: .72rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--band-kicker); margin-bottom: 22px; }
.band-row { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 34px; color: var(--band-text); font-size: .9rem; }

/* Abschnitte */
.section { padding: 152px 0; }
.section-mist { background: var(--mist); }
.center-head { text-align: center; max-width: 640px; margin: 0 auto; }
.center-head p { margin-top: 18px; color: var(--text); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; margin-top: 80px; }
.cards h3 { margin-bottom: 12px; }
.cards p { color: var(--text); font-size: .95rem; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; text-align: center; }
.steps h3 { font-size: 1.15rem; margin-bottom: 10px; }
.steps p { color: var(--text); font-size: .92rem; }

/* Beispielantwort, kompakt */
.answer { margin: 88px auto 0; max-width: 640px; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px 30px 20px; font-size: .9rem; }
.answer-q { font-size: 1.05rem; color: var(--ink); margin-bottom: 14px; }
.answer ul { margin: 0 0 14px; padding-left: 18px; color: var(--text); display: grid; gap: 4px; }
.answer li::marker { color: var(--muted); }
.answer strong { font-weight: 400; color: var(--ink); }
.answer-src { font-size: .8rem; color: var(--muted); padding-top: 12px; border-top: 1px solid var(--line); }
.answer-src strong { color: var(--accent); font-weight: 500; }
.answer figcaption { margin-top: 6px; font-size: .72rem; color: var(--muted); }

/* Abschluss */
.price { margin: 26px auto 34px !important; font-size: .92rem; color: var(--text); max-width: 34em; }
.price strong { font-weight: 400; color: var(--ink); }
.faq { max-width: 640px; margin-top: 96px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 32px 18px 0; position: relative; font-weight: 400; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 1.3rem; color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 18px; color: var(--text); font-size: .95rem; }

/* Kontaktformular, kompakt */
.signup-wrap { max-width: 600px; }
.signup-wrap h2 { text-align: center; }
.signup-lead { text-align: center; color: var(--text); margin: 14px 0 40px; }
.signup { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 34px 36px 30px; box-shadow: 0 1px 2px rgba(34,32,29,.04), 0 18px 40px -24px rgba(34,32,29,.18); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .82rem; color: var(--text); margin-bottom: 6px; }
.optional { color: var(--muted); }
input[type=text], input[type=email], input[type=tel] { width: 100%; min-height: 48px; padding: 11px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--page); font: inherit; font-weight: 300; color: var(--ink); transition: border-color .2s, background .2s, box-shadow .2s; }
input[type=text]:hover, input[type=email]:hover, input[type=tel]:hover { border-color: #d8d2ca; }
input:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px var(--accent-soft); }
.field.valid input { border-color: #cfd8cc; }
.consent-field { margin: 4px 0 22px; }
.check { display: flex !important; gap: 10px; align-items: flex-start; cursor: pointer; font-size: .8rem !important; line-height: 1.5; color: var(--muted) !important; }
.check input { margin: 2px 0 0; width: 16px; height: 16px; accent-color: var(--accent); flex: none; }
.check a { color: var(--text); }
.error { color: #a5342b; font-size: .78rem; margin-top: 6px; }
.error:empty { display: none; }
.invalid input[type=text], .invalid input[type=email], .invalid input[type=tel] { border-color: #c98a84; box-shadow: none; }
.invalid input:focus { box-shadow: 0 0 0 4px #f6e3e1; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.btn-block { width: 100%; min-height: 50px; }
.btn[disabled] { opacity: .6; cursor: progress; }
.form-status { font-size: .85rem; margin-top: 12px; text-align: center; }
.form-status:empty { display: none; }
.form-status.err { color: #a5342b; }
.done { text-align: center; padding: 18px 0 10px; animation: doneIn .4s ease both; }
@keyframes doneIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.done-icon svg { width: 52px; height: 52px; margin: 0 auto 18px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.done h3 { font-size: 1.4rem; font-weight: 300; }
.done p { color: var(--text); margin-top: 10px; }
.contact-direct { margin-top: 24px; text-align: center; font-size: .88rem; color: var(--muted); }

/* Fußzeile */
.site-footer { border-top: 1px solid var(--line); padding: 30px 0 34px; font-size: .82rem; color: var(--text); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.placeholders { margin-top: 18px; display: grid; gap: 4px; font-size: .74rem; color: var(--muted); }
.placeholders strong { font-weight: 400; color: var(--text); }

/* Mobil */
@media (max-width: 860px) {
  .hero { padding: 72px 0 96px; }
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .cards, .steps { grid-template-columns: 1fr; gap: 40px; }
  .cards { margin-top: 56px; }
  .section { padding: 96px 0; }
}
@media (max-width: 560px) {
  .wrap, .header-inner { width: calc(100% - 40px); }
  .nav-link { display: none; }
  .header-inner { height: 64px; }
  h1 { font-size: 2.05rem; }
  .band-row { flex-direction: column; gap: 10px; }
  .flow { padding: 24px 12px 22px; }
  .flow-row svg { width: 30px; height: 30px; padding: 6px; }
  .answer { padding: 22px 20px 18px; }
  .signup { padding: 26px 20px 24px; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* Rechtliche Seiten (Impressum, Datenschutz) – schlicht, gut lesbar */
.legal { padding: 96px 0 120px; }
.legal-wrap { max-width: 720px; }
.legal h1 { margin-bottom: 40px; }
.legal section { margin-top: 44px; }
.legal h2 { font-size: 1.25rem; line-height: 1.35; margin-bottom: 14px; }
.legal h3 { font-size: 1rem; margin: 22px 0 8px; }
.legal p, .legal li { color: var(--text); font-size: .95rem; }
.legal p + p { margin-top: 12px; }
.legal ul { margin: 10px 0 0; padding-left: 20px; display: grid; gap: 6px; }
.legal a { color: var(--ink); }
.legal strong { font-weight: 400; color: var(--ink); }
.legal-meta { margin-top: 56px; font-size: .8rem !important; color: var(--muted) !important; }
.placeholder { background: #fff3a8; color: #3a3200; padding: 0 4px; border-radius: 3px; font-weight: 400; }
.note { margin: 0 0 8px; padding: 16px 20px; border: 1px solid #ecd97a; border-radius: 12px; background: #fffbe3; font-size: .88rem; color: var(--text); }
.note + .note { margin-top: 12px; }
.note strong { font-weight: 500; color: var(--ink); }
.footer-links a[aria-current="page"] { text-decoration: underline; }
@media (max-width: 560px) { .legal { padding: 64px 0 88px; } }