/* ============================================================
   KI Wissen Beratung GbR
   Design direction: "Sternbild des Wissens" — ein Netz aus
   verbundenen Punkten liest sich zugleich als Wissensgraph und
   als Sternbild. Tiefes Nachtindigo, warmes Gold als Licht darin.
   Fonts self-hosted: kein Besucher-IP geht an ein Font-CDN.
   ============================================================ */

@font-face{font-family:'Piazzolla';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/Piazzolla-500.woff2') format('woff2')}
@font-face{font-family:'Piazzolla';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/Piazzolla-600.woff2') format('woff2')}
@font-face{font-family:'Piazzolla';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/Piazzolla-700.woff2') format('woff2')}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/PublicSans-400.woff2') format('woff2')}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/PublicSans-500.woff2') format('woff2')}
@font-face{font-family:'Public Sans';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/PublicSans-600.woff2') format('woff2')}
@font-face{font-family:'Fragment Mono';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/FragmentMono-400.woff2') format('woff2')}

:root{
  --canvas:#132852;
  --panel:#1c3567;
  --panel-2:#254078;
  --accent:#e8b04b;
  --accent-hover:#f0c168;
  --accent-ink:#1f1608;
  --accent-muted:rgba(232,176,75,.14);
  --accent-glow:rgba(232,176,75,.34);
  --text-primary:#f3f5fb;
  --text-secondary:#aebde0;
  --border:rgba(243,245,251,.14);
  --border-strong:rgba(243,245,251,.27);

  --font-display:'Piazzolla',serif;
  --font-body:'Public Sans',sans-serif;
  --font-mono:'Fragment Mono',monospace;

  --ease:cubic-bezier(.16,.8,.24,1);
  --ease-soft:cubic-bezier(.4,0,.2,1);
  --shadow-glow:0 0 50px rgba(232,176,75,.22);
  --shadow-soft:0 14px 34px rgba(4,3,12,.4);
}

*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:clip;overflow-x:hidden}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }

body{
  margin:0;background:var(--canvas);color:var(--text-primary);
  font-family:var(--font-body);font-size:16px;line-height:1.64;
  -webkit-font-smoothing:antialiased;position:relative;
}
img,svg{max-width:100%;display:block}
a{color:inherit}
button{font:inherit}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.1;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.5rem,6vw,4.6rem)}
h2{font-size:clamp(1.85rem,4vw,2.9rem)}
h3{font-weight:600;font-size:clamp(1.15rem,2.1vw,1.4rem)}
p{margin:0 0 1em;color:var(--text-secondary);max-width:62ch}
.mono{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:.76rem}

.skip-link{position:absolute;left:0;top:0;transform:translateY(-130%);
  background:var(--accent);color:var(--accent-ink);padding:.8em 1.2em;z-index:300;
  border-radius:0 0 8px 0;transition:transform .3s var(--ease);font-family:var(--font-mono);text-decoration:none}
.skip-link:focus{transform:translateY(0)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.wrap{max-width:1160px;margin:0 auto;padding-inline:min(6vw,3rem)}
main{position:relative;z-index:1}
section{position:relative;padding-block:clamp(4.5rem,11vw,8.5rem)}

/* fixed environment: a quiet starfield */
.bg-field{position:fixed;inset:0;z-index:0;pointer-events:none;background:
  radial-gradient(60% 46% at 82% 6%, rgba(232,176,75,.10) 0%, transparent 62%),
  radial-gradient(55% 46% at 10% 92%, rgba(37,64,120,.9) 0%, transparent 66%),
  var(--canvas);}
.bg-field::before{content:"";position:absolute;inset:0;background-image:
    radial-gradient(rgba(243,245,251,.55) 1px, transparent 1px),
    radial-gradient(rgba(243,245,251,.32) 1px, transparent 1px);
  background-size:120px 120px, 68px 68px;background-position:0 0, 34px 44px;
  opacity:.4;mask-image:radial-gradient(75% 60% at 50% 24%, #000 0%, transparent 85%)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:120;display:flex;align-items:center;justify-content:space-between;
  padding:1.1rem min(6vw,3rem);backdrop-filter:blur(16px);background:rgba(19,40,82,.76);
  border-bottom:1px solid var(--border)}
.nav-brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--text-primary)}
.nav-brand svg{width:32px;height:32px;flex-shrink:0}
.nav-brand-text{font-family:var(--font-display);font-weight:600;font-size:1rem;letter-spacing:-.005em;line-height:1.15}
.nav-brand-text small{display:block;font-family:var(--font-mono);font-weight:400;font-size:.58rem;
  letter-spacing:.18em;color:var(--text-secondary);text-transform:uppercase;margin-top:.3em}
.nav-links{display:flex;align-items:center;gap:1.8rem}
.nav-links a{text-decoration:none;color:var(--text-secondary);font-size:.92rem;transition:color .3s var(--ease-soft)}
.nav-links a:hover{color:var(--text-primary)}
.nav-cta{border:1px solid var(--border-strong);padding:.5em 1.15em;border-radius:999px;color:var(--text-primary) !important}
.nav-cta:hover{border-color:var(--accent);color:var(--accent) !important}
.nav-toggle{display:none;background:none;border:0;color:var(--text-primary);cursor:pointer;padding:.4rem}
@media (max-width:880px){
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(78vw,320px);height:100dvh;background:var(--panel);
    flex-direction:column;justify-content:center;align-items:flex-start;gap:1.5rem;padding:2rem 2.4rem;
    transform:translateX(100%);transition:transform .45s var(--ease);border-left:1px solid var(--border)}
  .nav-links.open{transform:translateX(0)}
  .nav-toggle{display:block}
}

/* ---------- hero ---------- */
.hero{min-height:90vh;display:flex;flex-direction:column;justify-content:center;padding-top:6rem}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
@media (max-width:940px){ .hero-grid{grid-template-columns:1fr} }
.hero h1{max-width:15ch}
.hero h1 em{font-style:normal;color:var(--accent);text-shadow:0 0 28px var(--accent-glow)}
.hero .lede{font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:52ch;color:var(--text-secondary)}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2rem}
.hero-proof{margin-top:3.5rem;display:flex;gap:2.4rem;flex-wrap:wrap;padding-top:2rem;border-top:1px solid var(--border)}
.hero-proof .stat b{display:block;font-family:var(--font-display);font-weight:600;font-size:1.6rem;color:var(--text-primary)}
.hero-proof .stat span{font-size:.85rem;color:var(--text-secondary)}

.split .w{display:inline-block;overflow:hidden;vertical-align:top}
.split .w .inner{display:inline-block;transform:translateY(112%);transition:transform .9s var(--ease);transition-delay:calc(var(--wi,0) * 55ms)}
.split.in .w .inner{transform:translateY(0)}
@media (prefers-reduced-motion:reduce){ .split .w .inner{transform:none;transition:none} }

/* ---------- hero constellation illustration ---------- */
.constellation{width:100%;max-width:480px;margin-inline:auto}
.constellation .link{stroke:var(--accent);stroke-width:1.4;fill:none;opacity:.55;
  stroke-dasharray:1;stroke-dashoffset:1;animation:draw-line .8s var(--ease-soft) forwards}
.constellation .node{opacity:0;animation:node-in .5s var(--ease) forwards;fill:var(--text-primary)}
.constellation .node.big{fill:var(--accent)}
.constellation .ring{opacity:0;animation:node-in .6s var(--ease) forwards;fill:none;stroke:var(--border-strong);stroke-width:1}
.constellation .glow{opacity:0;animation:pulse-glow 5s ease-in-out infinite;animation-delay:1.4s}
@keyframes draw-line{to{stroke-dashoffset:0}}
@keyframes node-in{to{opacity:1}}
@keyframes pulse-glow{0%,100%{opacity:.15}50%{opacity:.4}}
body.paused .constellation .glow{animation-play-state:paused}
@media (prefers-reduced-motion:reduce){
  .constellation .link,.constellation .node,.constellation .ring{animation:none;opacity:1;stroke-dashoffset:0}
  .constellation .glow{animation:none;opacity:.25}
}

/* ---------- section emblems ---------- */
.section-emblem{width:74px;height:74px;border-radius:50%;background:var(--panel);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;margin-bottom:1.4rem;box-shadow:var(--shadow-soft)}
.section-emblem svg{width:34px;height:34px;color:var(--accent)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.9em 1.7em;border-radius:999px;
  text-decoration:none;font-size:.95rem;font-weight:500;cursor:pointer;border:1px solid transparent;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease)}
@media (pointer:coarse){ .btn{min-height:44px} }
.btn-primary{background:var(--accent);color:var(--accent-ink);font-weight:600}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.btn-ghost{border-color:var(--border-strong);color:var(--text-primary)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- section furniture ---------- */
.kicker{color:var(--accent);margin-bottom:1rem;display:inline-block}
.section-head{max-width:64ch;margin-bottom:3.2rem}
.divider{width:100%;height:1px;border:none;background:linear-gradient(90deg,transparent,var(--border-strong) 28%,var(--border-strong) 72%,transparent)}

/* ---------- entrance ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}
.stagger .reveal{transition-delay:calc(var(--si,0) * 90ms)}
@media (prefers-reduced-motion:reduce){ .reveal{opacity:1;transform:none;transition:none} }

/* ---------- problem strip ---------- */
.problem-panel{display:grid;grid-template-columns:1fr 1fr;gap:2.6rem;align-items:center;
  background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:clamp(2rem,4vw,3.2rem);box-shadow:var(--shadow-soft)}
.problem-panel blockquote{margin:0;font-family:var(--font-display);font-weight:600;font-style:italic;
  font-size:clamp(1.3rem,2.4vw,1.7rem);line-height:1.4;color:var(--text-primary)}
.problem-stats{display:flex;flex-direction:column;gap:1.2rem}
.problem-stat{display:flex;gap:1rem;align-items:flex-start;border-top:1px solid var(--border);padding-top:1.2rem}
.problem-stat:first-child{border-top:none;padding-top:0}
.problem-stat b{font-family:var(--font-display);font-weight:600;color:var(--accent);font-size:1.5rem;flex-shrink:0;min-width:3.2ch}
.problem-stat span{font-size:.94rem;color:var(--text-secondary)}
@media (max-width:880px){ .problem-panel{grid-template-columns:1fr} }

/* ---------- pillars ---------- */
.pillar-list{display:flex;flex-direction:column;margin-top:1rem}
.pillar-row{display:grid;grid-template-columns:auto 1fr;gap:2rem;padding:2.6rem 0;border-top:1px solid var(--border)}
.pillar-row:last-child{border-bottom:1px solid var(--border)}
.pillar-icon-wrap{width:56px;height:56px;border-radius:50%;background:var(--panel);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pillar-icon-wrap svg{width:26px;height:26px;color:var(--accent)}
.pillar-row .eyebrow{font-family:var(--font-mono);font-size:.72rem;color:var(--accent);letter-spacing:.1em;text-transform:uppercase}
.pillar-row h3{font-size:clamp(1.3rem,2.4vw,1.65rem);margin:.5rem 0 .6rem}
.pillar-row > div > p{font-size:.98rem}
.pillar-detail{display:flex;flex-direction:column;gap:.85rem;margin-top:1.2rem}
.pillar-detail li{display:flex;gap:.8rem;align-items:flex-start;font-size:.93rem;color:var(--text-secondary);list-style:none}
.pillar-detail svg{width:17px;height:17px;flex-shrink:0;color:var(--accent);margin-top:.28em}
.pillar-detail b{color:var(--text-primary);font-weight:500}
@media (max-width:700px){ .pillar-row{grid-template-columns:1fr} }

/* ---------- process ---------- */
.process-track{position:relative;margin-top:3rem}
.process-track .spine{position:absolute;left:23px;top:8px;bottom:8px;width:1px;background:var(--border)}
.process-track .spine-fill{position:absolute;left:0;top:0;width:1px;height:0;background:var(--accent);
  transition:height 1.4s var(--ease-soft);box-shadow:0 0 12px var(--accent-glow)}
.process-step{display:flex;gap:1.6rem;padding-bottom:2.6rem;position:relative}
.process-step:last-child{padding-bottom:0}
.step-dot{width:48px;height:48px;border-radius:50%;background:var(--panel);border:1px solid var(--border-strong);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:.85rem;flex-shrink:0;z-index:1;
  transition:border-color .5s var(--ease-soft),color .5s var(--ease-soft),box-shadow .5s var(--ease-soft)}
.process-step.in .step-dot{border-color:var(--accent);color:var(--accent);box-shadow:0 0 16px var(--accent-glow)}
.process-step h3{margin-bottom:.4rem;font-size:1.15rem}
.process-step p{margin:0;font-size:.95rem}

/* ---------- interactive moment: connect the knowledge ---------- */
.connect-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:2.6rem;align-items:center;
  background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:clamp(1.8rem,3.4vw,3rem);box-shadow:var(--shadow-soft)}
.connect-widget{border:1px solid var(--border-strong);border-radius:16px;padding:2rem;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:1rem;background:var(--canvas)}
.hold-btn{position:relative;width:112px;height:112px;background:none;border:none;cursor:pointer;
  color:var(--text-primary);-webkit-user-select:none;user-select:none;touch-action:none}
.hold-btn svg{width:100%;height:100%}
.hold-ring-bg{stroke:var(--border-strong);stroke-width:3;fill:none}
.hold-ring-fg{stroke:var(--accent);stroke-width:3;fill:none;stroke-linecap:round;stroke-dasharray:283;stroke-dashoffset:283;
  transition:stroke-dashoffset .1s linear;transform:rotate(-90deg);transform-origin:50% 50%}
.hold-btn .mark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.hold-btn .mark svg{width:38px;height:38px;color:var(--accent)}
.hold-label{font-size:.9rem;color:var(--text-secondary);max-width:26ch;margin:0}
.hold-result{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.03em;color:var(--accent);min-height:2.4em;opacity:0;transition:opacity .5s var(--ease-soft);margin:0}
.hold-result.show{opacity:1}
@media (max-width:880px){ .connect-panel{grid-template-columns:1fr} }

/* ---------- team ---------- */
.founders{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;margin-top:1rem}
.founder{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:clamp(1.8rem,3vw,2.4rem);
  display:flex;flex-direction:column;gap:1rem;box-shadow:var(--shadow-soft)}
.founder .role{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.founder h3{margin:0}
.founder .qual{font-size:.88rem;color:var(--text-secondary);margin:0}
.founder p{font-size:.96rem;margin:0}
.founder-quals{list-style:none;padding:0;margin:.4rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem}
.founder-quals li{font-family:var(--font-mono);font-size:.68rem;color:var(--text-secondary);
  border:1px solid var(--border-strong);border-radius:6px;padding:.35em .75em}
.founders-link{grid-column:1/-1;display:flex;align-items:center;gap:1rem;justify-content:center;margin-top:.4rem}
.founders-link .dash{flex:1;max-width:120px;height:1px;background:var(--border-strong)}
.founders-link svg{width:22px;height:22px;color:var(--accent)}
@media (max-width:820px){ .founders{grid-template-columns:1fr} }

/* ---------- faq ---------- */
.faq-list{margin-top:1rem;border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--text-primary);padding:1.5rem 0;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;cursor:pointer;font-family:var(--font-body);font-size:1.02rem}
.faq-q .plus{flex-shrink:0;width:22px;height:22px;position:relative}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--text-secondary);
  transition:transform .4s var(--ease-soft),background .4s var(--ease-soft),opacity .4s var(--ease-soft)}
.faq-q .plus::before{left:0;top:50%;width:100%;height:1.5px;transform:translateY(-50%)}
.faq-q .plus::after{top:0;left:50%;height:100%;width:1.5px;transform:translateX(-50%)}
.faq-item[data-open="true"] .plus::after{transform:translateX(-50%) rotate(90deg);opacity:0}
.faq-item[data-open="true"] .plus::before{background:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease-soft)}
.faq-a p{padding-bottom:1.5rem;margin:0;font-size:.96rem}

/* ---------- contact ---------- */
.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:3rem;background:var(--panel);border:1px solid var(--border);
  border-radius:16px;padding:clamp(2rem,4vw,3.2rem);box-shadow:var(--shadow-soft)}
.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.2rem}
.field label{font-size:.82rem;color:var(--text-secondary)}
.field input,.field textarea,.field select{background:var(--canvas);border:1px solid var(--border-strong);border-radius:8px;
  padding:.85em 1em;color:var(--text-primary);font-family:var(--font-body);font-size:.96rem;transition:border-color .3s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);outline:none}
.field textarea{resize:vertical;min-height:110px}
.contact-note{font-size:.82rem;color:var(--text-secondary);margin-top:1rem}
.form-success{display:none;padding:1.2rem 1.4rem;border:1px solid var(--accent);border-radius:12px;background:var(--accent-muted);color:var(--text-primary);font-size:.92rem;margin-top:1rem}
.form-success.show{display:block}
.contact-info{display:flex;flex-direction:column;gap:1.6rem}
.contact-info a{text-decoration:none;color:var(--text-primary)}
.contact-info a:hover{color:var(--accent)}
@media (max-width:880px){ .contact-panel{grid-template-columns:1fr} }

/* ---------- footer ---------- */
footer{border-top:1px solid var(--border);padding-block:3rem;position:relative;z-index:1}
.footer-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:2rem}
.footer-brand{display:flex;align-items:center;gap:.6rem}
.footer-brand svg{width:26px;height:26px}
.footer-links{display:flex;gap:1.8rem;flex-wrap:wrap}
.footer-links a{text-decoration:none;color:var(--text-secondary);font-size:.88rem}
.footer-links a:hover{color:var(--accent)}
.footer-fine{margin-top:2rem;font-size:.8rem;color:var(--text-secondary);opacity:.75}

/* ---------- legal pages ---------- */
.legal-page main{padding-top:2rem}
.legal-page h2{margin-top:2.2rem;font-size:1.25rem;font-weight:600}
.legal-page p,.legal-page li{color:var(--text-secondary)}
.legal-page a.inline{color:var(--accent);text-decoration:underline}

.center{text-align:center}