/* Nextergon · Designsystem auf Basis Variante B „Strukturiert“
   Layout: ruhiger heller Grund, weiße Karten mit feinen Linien, eine Akzentfarbe je Farbwelt.
   V22: Hell/Dunkel mit gemeinsamen Inhalten und Petrol als fester Farbwelt. */
:root {
  --bg: #f2f3f0;
  --card: #ffffff;
  --ink: #14161a;
  --mid: #555c66;
  --line: #e1e3df;
  --muted-bg: #eceee9;
  --amber: #9a5b00;
  --amber-soft: #fdf1dc;

  /* Farbwelt Kobalt (Standard) */
  --accent: #2847d4;
  --accent-ink: #1a2f94;
  --accent-soft: #e7ecff;
  --btn: #2847d4;
  --btn-hover: #1a2f94;
  --btn-fg: #ffffff;
  --band: #1a2f94;
  --band-fg: #ffffff;
  --band-mid: #c9d3ff;

  --display: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --radius: 16px;
  color-scheme: light;
}
:root[data-palette="petrol"] {
  --accent: #0f5c6e; --accent-ink: #0a3e4a; --accent-soft: #e0eef1;
  --btn: #0f5c6e; --btn-hover: #0a3e4a; --btn-fg: #ffffff;
  --band: #0a3e4a; --band-fg: #ffffff; --band-mid: #bcd9df;
}
/* Farbwelt Mono: neutrales Hellgrau, fast schwarze Buttons, Blau nur als sparsamer Akzent */
:root[data-palette="mono"] {
  --bg: #f5f5f7; --ink: #1d1d1f; --mid: #636366; --line: #d2d2d7; --muted-bg: #e8e8ed;
  --accent: #0066cc; --accent-ink: #004f9e; --accent-soft: #e8f1fb;
  --btn: #1d1d1f; --btn-hover: #000000; --btn-fg: #ffffff;
  --band: #1d1d1f; --band-fg: #ffffff; --band-mid: #a1a1a6;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 var(--display); }
img { max-width: 100%; }
h1, h2, h3 { margin: 0; text-wrap: balance; letter-spacing: -.02em; }
p, ul, ol { margin: 0; }
a { color: var(--accent-ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }

.wrap {
  max-width: 1180px; margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ---------- Kopf ---------- */
.site-head { padding-block: 18px; position: relative; z-index: 5; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px 10px 10px 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 700 19px/1 var(--display); letter-spacing: -.02em; color: var(--ink); text-decoration: none; }
.brand b { color: var(--accent); font-weight: 700; }

/* Logo: „Weiter“ (D) als Standard, „Knotenpunkt“ (A) über data-logo="a" */
.logo { width: 28px; height: 28px; flex: none; display: block; }
.logo-a { display: none; }
:root[data-logo="a"] .logo-a { display: block; }
:root[data-logo="a"] .logo-d { display: none; }
.logo .ink-s, .logo .acc-s { fill: none; stroke-width: 4.4; stroke-linecap: round; stroke-linejoin: round; }
.logo .ink-s { stroke: var(--ink); }
.logo .acc-s { stroke: var(--accent); }
.logo .acc-l { stroke: var(--accent); stroke-width: 1.6; opacity: .55; }
.logo .ink-f { fill: var(--ink); }
.logo .acc-f { fill: var(--accent); }
.links { display: flex; gap: 6px; list-style: none; padding: 0; }
.links a { display: block; font-size: 14.5px; color: var(--mid); text-decoration: none; padding: 8px 12px; border-radius: 8px; }
.links a:hover { color: var(--ink); background: var(--muted-bg); }
.links a[aria-current="page"] { color: var(--accent-ink); background: var(--accent-soft); font-weight: 600; }
.nav-end { display: flex; align-items: center; gap: 8px; }
.menu-btn { display: none; font: 600 14px/1 var(--display); background: var(--card); color: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; cursor: pointer; }
.mobile-menu { margin-top: 8px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 8px; }
.mobile-menu a { display: block; padding: 12px 14px; border-radius: 8px; color: var(--ink); text-decoration: none; font-weight: 500; }
.mobile-menu a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-ink); }

/* ---------- Buttons ---------- */
.btn { font: 600 15px/1 var(--display); border-radius: 10px; padding: 13px 18px; cursor: pointer; border: 1px solid transparent; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.btn-primary { background: var(--btn); color: var(--btn-fg); }
.btn-primary:hover { background: var(--btn-hover); }
.btn-ghost { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--mid); }
.btn-light { background: var(--card); color: var(--ink); }
.btn-light:hover { background: var(--accent-soft); }
.textlink { font-weight: 600; color: var(--accent-ink); text-decoration: none; display: inline-flex; gap: 6px; align-items: center; }
.textlink:hover { text-decoration: underline; }
.textlink::after { content: "→"; }

/* ---------- Bausteine ---------- */
.chip { display: inline-block; justify-self: start; font: 500 13px/1 var(--display); color: var(--accent-ink); background: var(--accent-soft); border-radius: 999px; padding: 8px 12px; }
.label { font: 500 12px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--accent); }
.tag { justify-self: start; font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--mid); background: transparent; border: 1px dashed #b9bdb7; padding: 5px 10px; border-radius: 999px; white-space: nowrap; }
.lead { font-size: 18px; line-height: 1.6; color: var(--mid); max-width: 60ch; }
.muted { color: var(--mid); }
.stack { display: grid; gap: 14px; align-content: start; min-width: 0; }
.note { font: 400 13.5px/1.55 var(--display); color: var(--mid); }

.section { padding-block: 56px; display: grid; gap: 28px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px 40px; flex-wrap: wrap; }
.section-head > div { display: grid; gap: 10px; }
.section-head p { color: var(--mid); max-width: 52ch; }
h2 { font: 700 clamp(26px, 3vw, 36px)/1.15 var(--display); letter-spacing: -.03em; }
h3 { font: 600 19px/1.3 var(--display); letter-spacing: -.01em; }

.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.card p { color: var(--mid); font-size: 15.5px; }
.card .result { margin-top: 4px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 14.5px; color: var(--ink); }
.card .result .label { display: block; margin-bottom: 6px; color: var(--mid); }
.card.soft { background: var(--muted-bg); border-color: transparent; }
.card.accent { background: var(--accent-soft); border-color: transparent; }
.card.accent h3 { color: var(--accent-ink); }

.list { list-style: none; padding: 0; display: grid; gap: 10px; }
.list li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 10px; align-items: start; font-size: 15.5px; color: var(--ink); }
.list li::before { width: 18px; height: 18px; margin-top: 3px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; line-height: 1; }
.list.check li::before { content: "✓"; background: var(--accent-soft); color: var(--accent); }
.list.cross li { color: var(--mid); }
.list.cross li::before { content: "–"; background: var(--card); color: #8a8f89; border: 1px solid var(--line); }

/* ---------- Startseite: Hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 40px; align-items: center; padding-block: 40px 64px; }
.hero-text { display: grid; gap: 24px; }
.hero h1 { font: 700 clamp(34px, 4.8vw, 56px)/1.06 var(--display); letter-spacing: -.035em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.checks { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 20px; font-size: 14.5px; color: var(--mid); }
.checks li { display: flex; align-items: center; gap: 8px; }
.checks li::before { content: "✓"; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 11px; font-weight: 700; flex: none; }

.board { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; display: grid; gap: 16px; box-shadow: 0 24px 48px -28px rgba(20,22,26,.25); min-width: 0; }
.board-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.board-head h3 { font-size: 16px; }
.tbl-wrap { overflow-x: auto; }
.board table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 420px; }
.board th { font: 500 11.5px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--mid); text-align: left; padding: 0 8px 10px 0; border-bottom: 1px solid var(--line); }
.board td { padding: 11px 8px 11px 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
.board tr:last-child td { border-bottom: 0; }
.board td small { display: block; color: var(--mid); font-size: 12.5px; }
.score { display: inline-flex; gap: 3px; vertical-align: middle; }
.score i { width: 9px; height: 9px; border-radius: 2px; background: var(--line); }
.score i.on { background: var(--accent); }
.prio { font: 600 12px/1 var(--display); padding: 6px 8px; border-radius: 6px; white-space: nowrap; display: inline-block; }
.prio.now { background: var(--accent-soft); color: var(--accent-ink); }
.prio.later { background: var(--muted-bg); color: var(--mid); }

/* Startseite: Infografik */
/* ---------- KI-Check ---------- */
.quiz { display: grid; gap: 14px; }
.q { margin: 0; min-width: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px 24px; }
.q legend { float: left; width: 100%; padding: 0; margin-bottom: 14px; font: 600 18px/1.35 var(--display); letter-spacing: -.01em; }
.q legend .label { display: block; margin-bottom: 8px; }
.q.missing { border-color: var(--amber); box-shadow: 0 0 0 2px var(--amber-soft); }
.opts { clear: both; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.opt { position: relative; display: block; min-width: 0; }
.opt input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opt span { display: flex; align-items: center; height: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; cursor: pointer; font-size: 15px; color: var(--ink); background: var(--card); }
.opt:hover span { border-color: var(--mid); }
.opt input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; }
.opt input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.quiz-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.result { gap: 20px; padding: clamp(22px, 3vw, 36px); }
.result-head { display: flex; justify-content: space-between; align-items: end; gap: 12px 24px; flex-wrap: wrap; }
.result-score { font-size: 15px; color: var(--mid); }
.result-score b { font: 700 40px/1 var(--display); color: var(--accent); letter-spacing: -.03em; }
.meter { height: 10px; border-radius: 999px; background: var(--muted-bg); overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 999px; }
.check-teaser { justify-self: start; max-width: 100%; display: flex; align-items: center; gap: 14px; padding: 12px 18px 12px 12px; border-radius: 14px; background: var(--accent-soft); border: 1px solid transparent; color: var(--accent-ink); text-decoration: none; }
.check-teaser:hover { border-color: var(--accent); }
.ct-icon { flex: none; width: 44px; height: 44px; border-radius: 11px; background: var(--card); display: grid; place-items: center; }
.ct-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ct-text { display: grid; gap: 3px; min-width: 0; }
.ct-text strong { font-size: 15.5px; font-weight: 600; line-height: 1.35; }
.ct-text span { font-size: 14px; color: var(--accent-ink); opacity: .85; }
.ct-arrow { flex: none; font-size: 20px; font-weight: 600; margin-left: 4px; transition: transform .15s ease; }
.check-teaser:hover .ct-arrow { transform: translateX(3px); }

/* ---------- Referenzleiste (Platzhalter bis Logos vorliegen) ---------- */
.refs { padding-block: 0 32px; display: grid; gap: 14px; }
.refs-head { display: flex; justify-content: space-between; align-items: center; gap: 8px 16px; flex-wrap: wrap; }
.refs-title { font: 500 14.5px/1.4 var(--display); letter-spacing: 0; color: var(--mid); }
.logo-row { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.logo-slot { height: 64px; border: 1px dashed #b9bdb7; border-radius: 12px; display: grid; place-items: center; font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--mid); }

/* ---------- Gründer kompakt (Startseite) ---------- */
.founder-mini { grid-template-columns: 72px minmax(0, 1fr); column-gap: 16px; row-gap: 4px; align-items: center; }
.founder-mini img { width: 72px; height: 72px; border-radius: 14px; object-fit: cover; grid-row: span 2; align-self: start; background: var(--muted-bg); }
.founder-mini p { font-size: 15px; }

.hub { margin: 0; background: transparent; border-color: transparent; box-shadow: none; }
.hub .board-head { align-items: center; }
.hub .note { font: 400 14px/1.55 var(--display); }
.hub-svg { width: 100%; height: auto; display: block; font-family: var(--display); }
.hub-svg .ring { fill: none; stroke: var(--line); stroke-width: 1.5; stroke-dasharray: 3 6; }
.hub-svg .halo { fill: var(--accent-soft); }
.hub-svg .core { fill: var(--btn); }
.hub-svg .core-t { fill: #ffffff; font-size: 18.5px; font-weight: 700; text-anchor: middle; letter-spacing: -.01em; }
.hub-svg .core-s { fill: #ffffff; opacity: .85; font-size: 12.5px; font-weight: 500; text-anchor: middle; }
.hub-svg .flow { stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 1 9; animation: none; opacity: .65; }
.hub-svg .node rect { fill: var(--card); stroke: var(--line); stroke-width: 1.5; }
.hub-svg .node text { fill: var(--ink); font-size: 15.5px; font-weight: 600; text-anchor: middle; }
@keyframes flow { to { stroke-dashoffset: -20; } }
@media (prefers-reduced-motion: reduce) { .hub-svg .flow { animation: none; } }

/* Leistungen: Fragen-Karte */
.q-list { list-style: none; padding: 0; display: grid; }
.q-list li { display: grid; gap: 4px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.q-list li:first-child { padding-top: 2px; }
.q-list li:last-child { border-bottom: 0; }
.q-list b { font-weight: 600; font-size: 16px; color: var(--ink); }
.q-list span { font-size: 14.5px; color: var(--mid); }

/* Vorgehen: Beispiel Priorisierung */
.example { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.3fr); gap: 24px 40px; align-items: center; background: var(--muted-bg); border-radius: var(--radius); padding: 32px; }
.example .board { box-shadow: 0 16px 36px -26px rgba(20,22,26,.3); }

/* ---------- Unterseiten-Kopf ---------- */
.page-hero { padding-block: 40px 16px; display: grid; gap: 18px; }
.page-hero h1 { font: 700 clamp(32px, 4.2vw, 50px)/1.08 var(--display); letter-spacing: -.035em; max-width: 22ch; }

/* ---------- Ohne / mit Plan ---------- */
.compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.compare .card h3 { display: flex; align-items: center; gap: 10px; }

/* ---------- Schritte ---------- */
.steps { counter-reset: step; }
.step .label { color: var(--accent); }
.step-detail { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.4fr); gap: 24px 40px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.step-detail .side { display: grid; gap: 12px; align-content: start; }
.step-detail .big { font: 700 44px/1 var(--display); color: var(--accent); letter-spacing: -.04em; }
.step-detail .body { display: grid; gap: 16px; align-content: start; }
.step-detail .body p { color: var(--mid); }
.outcome { background: var(--accent-soft); color: var(--accent-ink); border-radius: 12px; padding: 14px 16px; font-size: 15px; }
.outcome b { font-weight: 600; }

/* ---------- Gründer ---------- */
.founder { grid-template-columns: 104px minmax(0, 1fr); column-gap: 20px; row-gap: 4px; align-content: start; }
.portrait { width: 104px; height: 104px; border-radius: 16px; object-fit: cover; grid-row: span 2; background: var(--muted-bg); }
.founder h3 { align-self: end; font-size: 21px; }
.founder .role { align-self: start; }
.founder .bio, .founder .bio-list { grid-column: 1 / -1; }
.founder .bio { margin-top: 14px; color: var(--ink); font-weight: 500; }
.founder .bio-list { margin-top: 6px; }
.founder .bio-list li { font-size: 15px; color: var(--mid); }
.avatar { width: 64px; height: 64px; border-radius: 16px; background: var(--accent-soft); color: var(--accent-ink); display: grid; place-items: center; font: 700 20px/1 var(--display); letter-spacing: -.02em; grid-row: span 3; }
.founder .role { font-size: 14px; color: var(--mid); }
.draft-box { display: flex; gap: 12px; align-items: flex-start; background: var(--amber-soft); color: #5c3a00; border-radius: 12px; padding: 14px 16px; font-size: 14.5px; }
.draft-box .tag { background: #ffffff; }

/* ---------- Name ---------- */
.etym { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.etym .word { font: 700 clamp(34px, 4vw, 48px)/1 var(--display); letter-spacing: -.04em; }
.etym .word b { color: var(--accent); }
.etym .meta { font: 400 13px/1.4 var(--mono); color: var(--mid); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 56px 20px 22px; font: 600 17px/1.4 var(--display); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 8px; background: var(--accent-soft); color: var(--accent-ink); display: grid; place-items: center; font-size: 18px; font-weight: 600; }
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding: 0 22px 22px; color: var(--mid); max-width: 70ch; display: grid; gap: 10px; }

/* ---------- Kontakt ---------- */
.booking { border: 2px dashed var(--line); border-radius: var(--radius); background: var(--card); padding: 32px; display: grid; gap: 16px; justify-items: start; }
.booking .slots { display: flex; flex-wrap: wrap; gap: 8px; }
.booking .slots span { font: 500 13px/1 var(--mono); padding: 10px 12px; border-radius: 8px; background: var(--muted-bg); color: var(--mid); }
.copy-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 15px; }
.copy-row code { font: 500 14px/1 var(--mono); background: var(--muted-bg); padding: 8px 10px; border-radius: 8px; }

/* ---------- Abschluss-Band ---------- */
.cta-band { background: var(--band); color: var(--band-fg); border-radius: 20px; padding: clamp(28px, 4vw, 48px); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; }
.cta-band h2 { color: var(--band-fg); max-width: 24ch; }
.cta-band p { color: var(--band-mid); margin-top: 10px; max-width: 52ch; }
.cta-section { padding-block: 32px 72px; }

/* ---------- Fuß ---------- */
.site-foot { border-top: 1px solid var(--line); padding-block: 28px calc(28px + env(safe-area-inset-bottom, 0px)); }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 32px; font-size: 14px; color: var(--mid); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-foot a { color: var(--mid); text-decoration: none; }
.site-foot a:hover { color: var(--ink); }

.toast { position: fixed; left: 50%; bottom: calc(76px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--bg); font: 500 14px/1.4 var(--display); padding: 10px 16px; border-radius: 10px; z-index: 31; max-width: calc(100% - 32px); box-shadow: 0 8px 24px rgba(0,0,0,.25); }

@media (min-width: 961px) { .span2 { grid-column: span 2; } }

/* ---------- Responsiv ---------- */
@media (max-width: 960px) {
  .links, .nav-end .btn { display: none; }
  .menu-btn { display: inline-flex; }
  .hero, .step-detail, .example { grid-template-columns: minmax(0, 1fr); }
  .logo-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .g3, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .g2, .g3, .g4, .compare, .etym { grid-template-columns: minmax(0, 1fr); }
  .logo-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .opts { grid-template-columns: minmax(0, 1fr); }
  .q { padding: 18px; }
  .section { padding-block: 40px; }
  .step-detail, .booking, .example { padding: 22px; }
  .palette span { display: none; }
  .hub { padding: 18px 14px; }
  .founder { grid-template-columns: 88px minmax(0, 1fr); column-gap: 16px; }
  .portrait { width: 88px; height: 88px; border-radius: 14px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }

/* V21-D01: bestätigte V20-Porträts auf hellem Grund; Originalassets unverändert. */
.v21-founders { gap: 64px; margin-top: 46px; }
.v21-founders .founder { display: block; min-width: 0; padding: 0; border: 0; background: transparent; }
.v21-founders .founder-photo {
  position: relative; isolation: isolate; width: 100%; height: 330px;
  margin: 0 0 22px; overflow: hidden;
  background: radial-gradient(ellipse at 50% 60%, #d7e2e980 0%, #e6ebe84d 40%, transparent 70%);
}
.v21-founders .founder-photo::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(0deg, var(--bg) 0%, var(--bg) 8%, transparent 40%);
}
.v21-founders .founder-photo img {
  position: absolute; width: 360px; height: 360px; max-width: none;
  left: 50%; top: 0; transform: translateX(-50%); object-fit: contain;
  mask-size: 100% 100%; mask-repeat: no-repeat; mask-position: center;
  -webkit-mask-size: 100% 100%; -webkit-mask-repeat: no-repeat; -webkit-mask-position: center;
}
.v21-founders .portrait-christian img {
  width: 310px; height: 310px; top: 5px;
  mask-image: url('assets/v4/christian-tetens-mask.png');
  -webkit-mask-image: url('assets/v4/christian-tetens-mask.png');
}
.v21-founders .portrait-juergen img {
  mask-image: url('assets/v4/juergen-lang-mask.png');
  -webkit-mask-image: url('assets/v4/juergen-lang-mask.png');
}
.v21-founders .founder-copy { border-top: 1px solid var(--line); padding-top: 22px; }
.v21-founders h3 { margin: 0 0 3px; font-size: 29px; line-height: 1.2; letter-spacing: -.025em; }
.v21-founders .role { margin: 0 0 14px; color: var(--accent); font-size: 14px; font-weight: 600; }
.v21-founders .bio { margin: 0; max-width: 440px; font-size: 17px; font-weight: 400; color: var(--mid); }
.v21-founders .bio-list { margin-top: 16px; }
.v21-status { padding-block: 12px; border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 6px 24px; justify-content: space-between; font-size: 13px; color: var(--mid); }
@media (max-width: 900px) and (min-width: 701px) {
  .v21-founders { gap: 36px; }
  .v21-founders .founder-photo { height: 280px; }
  .v21-founders .founder-photo img { width: 310px; height: 310px; }
  .v21-founders .portrait-christian img { width: 267px; height: 267px; }
}
@media (max-width: 700px) {
  .v21-founders { grid-template-columns: minmax(0, 1fr); gap: 36px; margin-top: 30px; }
  .v21-founders .founder-photo { height: 310px; max-width: 400px; margin: 0 auto 18px; }
  .v21-founders .founder-photo img { width: 330px; height: 330px; }
  .v21-founders .portrait-christian img { width: 286px; height: 286px; }
  .v21-founders h3 { font-size: 27px; }
  .v21-founders .bio { font-size: 16px; }
}

/* V22: bewusst gestaltete dunkle Flächen, helle Textakzente, stabile Buttonfarben. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101b20; --card: #19292f; --ink: #edf4f3; --mid: #b5c7cc;
  --line: #3d555e; --muted-bg: #20343c;
  --accent: #78c8cb; --accent-ink: #a2dfe0; --accent-soft: #203e46;
  --btn: #0f5c6e; --btn-hover: #126d80; --btn-fg: #ffffff;
  --band: #123d48; --band-fg: #edf4f3; --band-mid: #c0d9de;
  --amber: #f0bd6b; --amber-soft: #3d3020;
}
:root[data-theme="dark"] .v21-founders .founder-photo {
  background: radial-gradient(ellipse at 50% 60%, #39606d55 0%, #203e4628 40%, transparent 70%);
}
:root[data-theme="dark"] .draft-box { color: #f0d5aa; }
:root[data-theme="dark"] .draft-box .tag { background: var(--card); }
.tag, .logo-slot { border-color: var(--mid); }
.head-tools { display: flex; justify-content: flex-end; margin-bottom: 10px; min-height: 36px; }
.theme-switch { display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--line); border-radius: 999px; background: var(--muted-bg); }
.theme-switch button { border: 0; background: transparent; color: var(--mid); font: 600 13px/1 var(--display); padding: 9px 14px; border-radius: 999px; cursor: pointer; }
.theme-switch button[aria-pressed="true"] { background: var(--card); color: var(--accent-ink); box-shadow: 0 1px 4px #00000014; }
.theme-switch button:hover { color: var(--ink); }

/* V23: konkrete Arbeitsweise; gleiche semantische Farben in beiden Themes. */
.hero .chip { line-height: 1.5; border-radius: 12px; }
.brand-claim { margin-block: 8px; max-width: 38ch; font-size: 13px; }
.contribution-list { border-top: 1px solid var(--line); }
.contribution-list article { display: grid; grid-template-columns: 115px minmax(0, .85fr) minmax(0, 1.25fr); gap: 24px; padding-block: 26px; border-bottom: 1px solid var(--line); align-items: baseline; }
.contribution-list p { color: var(--mid); }
.practice-example { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.2fr); }
.practice-context { padding: 32px; background: var(--accent-soft); display: grid; align-content: start; gap: 16px; }
.practice-context h3 { font-size: 26px; color: var(--accent-ink); }
.practice-context p { color: var(--mid); }
.practice-decision { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 20px; }
.practice-decision strong { display: block; margin-bottom: 8px; }
.practice-flow { list-style: none; padding: 8px 32px; margin: 0; }
.practice-flow li { display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 16px; padding-block: 24px; }
.practice-flow li + li { border-top: 1px solid var(--line); }
.flow-number { font: 500 14px/36px var(--mono); color: var(--accent-ink); background: var(--accent-soft); border-radius: 50%; text-align: center; align-self: start; }
.practice-flow h3 { margin-block: 8px; }
.practice-flow p { font-size: 15.5px; color: var(--mid); }
.practice-outcome { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; padding: 24px 32px; background: var(--muted-bg); border-top: 1px solid var(--line); }
.practice-outcome p { margin-top: 8px; color: var(--mid); font-size: 15px; }
@media (max-width: 800px) {
  .contribution-list article { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .practice-example { grid-template-columns: minmax(0, 1fr); }
  .practice-context, .practice-outcome { padding: 24px; }
  .practice-flow { padding: 0 24px; }
}
@media (max-width: 600px) {
  .practice-outcome { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .practice-flow li { grid-template-columns: 30px minmax(0, 1fr); gap: 12px; }
  .flow-number { line-height: 30px; }
}