/* nuyken.org — Design-System v2 (2026-09)
   Farben unverändert übernommen; Typografie, Raster, Bewegung neu. */
:root{
  --bg:#070b16;--txt:#e8edf7;--muted:#9aa7c2;--card:rgba(255,255,255,.055);--line:rgba(255,255,255,.115);
  --g1:#34d399;--g2:#22d3ee;--g3:#a78bfa;--ink:#06110c;
  --rad:22px;--rad-s:12px;
  --font-display:'Instrument Serif',Georgia,'Times New Roman',serif;
  --font-body:'Geist','Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  --font-mono:'Geist Mono',ui-monospace,Consolas,monospace;
  --wrap:1180px;--gutter:clamp(18px,4vw,44px);
  --ease:cubic-bezier(.2,.8,.2,1);
  --grid-line:rgba(255,255,255,.045);
}
html[data-theme='light']{--bg:#f5f8fd;--txt:#0d1526;--muted:#4d5b76;--card:rgba(255,255,255,.72);--line:rgba(13,21,38,.10);--grid-line:rgba(13,21,38,.06)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:dark}
html[data-theme='light']{color-scheme:light}
body{margin:0;background:var(--bg);color:var(--txt);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-feature-settings:'ss01','cv11'}
img,svg,canvas{max-width:100%}
a{color:inherit}
::selection{background:var(--g1);color:var(--ink)}
:focus-visible{outline:2px solid var(--g2);outline-offset:3px;border-radius:6px}

/* ---------- Hintergrund: Aurora + Millimeterraster ---------- */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.38;animation:float 26s ease-in-out infinite}
html[data-theme='light'] .blob{opacity:.26}
.b1{width:560px;height:560px;background:var(--g1);top:-180px;left:-140px}
.b2{width:480px;height:480px;background:var(--g2);top:22%;right:-160px;animation-delay:-9s}
.b3{width:560px;height:560px;background:var(--g3);bottom:-220px;left:28%;animation-delay:-16s}
@keyframes float{0%,100%{transform:translate3d(0,0,0) scale(1)}33%{transform:translate3d(70px,-50px,0) scale(1.14)}66%{transform:translate3d(-50px,45px,0) scale(.9)}}
.gridbg{position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(ellipse at 50% -10%,black,transparent 72%);mask-image:radial-gradient(ellipse at 50% -10%,black,transparent 72%)}

/* ---------- Typografie ---------- */
.display{font-family:var(--font-display);font-weight:400;letter-spacing:-.01em;line-height:.98}
.display em{font-style:italic;background:linear-gradient(100deg,var(--g1),var(--g2) 48%,var(--g3));-webkit-background-clip:text;background-clip:text;color:transparent}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(2.6rem,7.2vw,6rem)}
h2{font-size:clamp(2rem,4.6vw,3.4rem)}
h3{font-size:1.2rem}
p{margin:0}
.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);line-height:1.6;color:var(--muted);max-width:60ch;text-wrap:pretty}
.eyebrow{display:flex;align-items:center;gap:14px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--g1)}
.eyebrow b{color:var(--g1);font-weight:500}
.mono{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em}
kbd{font-family:var(--font-mono);font-size:11.5px;padding:2px 7px;border-radius:6px;border:1px solid var(--line);background:rgba(255,255,255,.07);color:var(--txt)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
section{padding:clamp(72px,10vw,128px) 0;position:relative}
section+section{border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1fr;gap:18px;margin-bottom:clamp(36px,5vw,64px)}
@media(min-width:880px){.sec-head{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:end;gap:48px}}
.sec-head .lead{max-width:48ch}
.cols-2{display:grid;gap:24px}
@media(min-width:880px){.cols-2{grid-template-columns:1fr 1fr}}
.hairline{height:1px;background:var(--line)}

/* ---------- Header ---------- */
header.site{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:color-mix(in srgb,var(--bg) 62%,transparent);border-bottom:1px solid var(--line)}
.nav{max-width:var(--wrap);margin:0 auto;padding:12px var(--gutter);display:flex;align-items:center;gap:6px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:700;font-size:18px;letter-spacing:-.02em;color:var(--txt);text-decoration:none;view-transition-name:logo}
.logo i{width:31px;height:31px;border-radius:10px;background:linear-gradient(135deg,var(--g1),var(--g2));display:grid;place-items:center;font-style:normal;font-weight:900;color:var(--ink);font-size:18px;font-family:var(--font-body)}
.logo span{color:var(--muted);font-weight:500}
.sp{flex:1}
.navlinks{display:flex;gap:2px}
.link{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;padding:8px 12px;border-radius:10px;transition:.25s}
.link:hover,.link[aria-current='page']{color:var(--txt);background:rgba(255,255,255,.08)}
html[data-theme='light'] .link:hover,html[data-theme='light'] .link[aria-current='page']{background:rgba(13,21,38,.06)}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:linear-gradient(90deg,var(--g1),var(--g2),var(--g3));transform-origin:0 50%;transform:scaleX(0)}
@media(prefers-reduced-motion:no-preference){
  @supports (animation-timeline:scroll()){
    .progress{animation:grow linear both;animation-timeline:scroll(root)}
    @keyframes grow{to{transform:scaleX(1)}}
  }
}
@media(max-width:760px){.navlinks{display:none}}
.btn.menu-btn{display:none}
@media(max-width:760px){.btn.menu-btn{display:inline-flex}}
.mobile-nav{display:none;border-top:1px solid var(--line)}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:14px var(--gutter);text-decoration:none;color:var(--txt);border-bottom:1px solid var(--line)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 22px;border-radius:13px;border:1px solid transparent;font:inherit;font-weight:600;font-size:14.5px;cursor:pointer;text-decoration:none;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s,background .25s;white-space:nowrap}
.btn svg{width:16px;height:16px}
.bp{background:linear-gradient(135deg,var(--g1),var(--g2));color:var(--ink);box-shadow:0 10px 30px rgba(52,211,153,.22)}
.bp:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(52,211,153,.38)}
.bg2{background:var(--card);color:var(--txt);border-color:var(--line)}
.bg2:hover{transform:translateY(-2px);border-color:rgba(52,211,153,.5)}
.bs{padding:9px 15px;font-size:13px;border-radius:11px}
.bi{width:38px;height:38px;padding:0;justify-content:center;border-radius:11px}

/* ---------- Karten ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{position:relative;display:flex;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:var(--rad);background:var(--card);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .35s var(--ease),border-color .3s,box-shadow .3s;overflow:hidden;text-decoration:none;color:inherit}
.card:hover{transform:translateY(-5px);border-color:rgba(52,211,153,.45);box-shadow:0 22px 60px rgba(0,0,0,.42)}
html[data-theme='light'] .card:hover{box-shadow:0 22px 60px rgba(13,21,38,.12)}
.card::after{content:'';position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(340px circle at var(--mx,50%) var(--my,0%),rgba(52,211,153,.14),transparent 65%)}
.card:hover::after{opacity:1}
.card .num{font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:.1em}
.card h3{margin:14px 0 8px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.6}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.card .tags span{font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;padding:4px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.card .cta{margin-top:auto;padding-top:20px;display:flex;gap:8px;flex-wrap:wrap}
.card .arrow{position:absolute;top:22px;right:22px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);transition:.3s var(--ease)}
.card:hover .arrow{background:var(--g1);color:var(--ink);border-color:transparent;transform:rotate(-45deg)}
.card.feat{grid-column:span 2}
@media(max-width:760px){.card.feat{grid-column:auto}}
.card.feat .shot{margin:-26px -26px 22px;border-bottom:1px solid var(--line);overflow:hidden;aspect-ratio:16/8}
.card.feat .shot img{width:100%;height:100%;object-fit:cover;object-position:top;display:block;transition:transform 1.2s var(--ease)}
.card.feat:hover .shot img{transform:scale(1.03)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--g1);box-shadow:0 0 12px var(--g1);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.3}}
.new{position:absolute;top:18px;left:18px;padding:4px 10px;border-radius:999px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);background:linear-gradient(135deg,var(--g1),var(--g2));z-index:1}

/* ---------- Reveal (scroll-driven, IO-Fallback in JS) ---------- */
.rv{opacity:1}
@media(prefers-reduced-motion:no-preference){
  @supports ((animation-timeline:view()) and (animation-range:entry)){
    .rv{animation:rise auto linear both;animation-timeline:view();animation-range:entry 0% entry 38%}
    @keyframes rise{from{opacity:0;transform:translateY(28px)}}
  }
  @supports not ((animation-timeline:view()) and (animation-range:entry)){
    .rv{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
    .rv.in{opacity:1;transform:none}
  }
}

/* ---------- Cross-Document View Transitions ---------- */
@media(prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  ::view-transition-old(root){animation:.28s ease-in both vt-out}
  ::view-transition-new(root){animation:.42s var(--ease) both vt-in}
  ::view-transition-group(logo){animation-duration:.42s}
  @keyframes vt-out{to{opacity:0;transform:translateY(-10px)}}
  @keyframes vt-in{from{opacity:0;transform:translateY(14px)}}
}

/* ---------- Footer ---------- */
footer.site{border-top:1px solid var(--line);padding:56px 0 34px;color:var(--muted);font-size:13.5px}
footer .wordmark{font-family:var(--font-display);font-size:clamp(3rem,12vw,9rem);line-height:.9;letter-spacing:-.03em;color:var(--txt);opacity:.09;user-select:none;margin:0 0 28px;white-space:nowrap;overflow:hidden}
footer .row{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--g1)}
footer .row .sp{flex:1}

/* ---------- Kleinteile ---------- */
.toast{position:fixed;left:50%;bottom:28px;z-index:99;opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,220%);padding:13px 22px;border-radius:14px;font-weight:600;font-size:14px;color:var(--ink);background:linear-gradient(135deg,var(--g1),var(--g2));box-shadow:0 16px 44px rgba(0,0,0,.4);transition:transform .45s var(--ease),opacity .35s,visibility .35s}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}
.cf{position:fixed;top:-16px;width:9px;height:15px;border-radius:2px;z-index:98;pointer-events:none;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(108vh) rotate(720deg);opacity:.1}}
.out{min-height:48px;margin-top:14px;padding:12px 14px;border-radius:var(--rad-s);background:rgba(0,0,0,.3);border:1px solid var(--line);font-family:var(--font-mono);font-size:12.4px;line-height:1.6;color:var(--muted);word-break:break-word}
html[data-theme='light'] .out{background:rgba(13,21,38,.05)}
.out.on{color:var(--g1);border-color:rgba(52,211,153,.38)}
.prose{max-width:66ch;font-size:1.05rem;line-height:1.75}
.prose p+p{margin-top:1.1em}
.prose h2{font-size:1.5rem;margin:2.2em 0 .6em}
.prose h3{font-size:1.15rem;margin:1.8em 0 .5em}
.prose a{color:var(--g1);text-decoration:none;border-bottom:1px solid rgba(52,211,153,.35)}
.prose ul{padding-left:1.2em}
.prose li+li{margin-top:.4em}
.todo{background:rgba(167,139,250,.12);border:1px dashed rgba(167,139,250,.6);color:var(--g3);padding:2px 8px;border-radius:6px;font-family:var(--font-mono);font-size:.85em}
.stat{display:grid;gap:6px}
.stat b{font-family:var(--font-display);font-weight:400;font-size:clamp(2.2rem,4vw,3.4rem);line-height:1;letter-spacing:-.02em}
.stat span{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:28px;padding:32px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- Sequencer-Wortmarke (Startseite) ---------- */
.seq{border:1px solid var(--line);border-radius:var(--rad);background:var(--card);backdrop-filter:blur(10px);padding:clamp(18px,3vw,30px)}
.seq-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;margin-bottom:18px}
.seq-row{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(6px,1.2vw,14px)}
.seq-key{position:relative;aspect-ratio:1/1.05;border:1px solid var(--line);border-radius:18px;background:rgba(0,0,0,.28);color:var(--muted);font-family:var(--font-display);font-size:clamp(2.4rem,9vw,7rem);line-height:1;cursor:pointer;transition:transform .2s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;padding:0}
html[data-theme='light'] .seq-key{background:rgba(13,21,38,.05)}
.seq-key.on{color:var(--txt);border-color:rgba(52,211,153,.45);background:linear-gradient(180deg,rgba(52,211,153,.14),rgba(34,211,238,.06))}
.seq-key.hit{transform:translateY(-6px) scale(1.03);box-shadow:0 18px 50px rgba(52,211,153,.35);color:var(--ink);background:linear-gradient(135deg,var(--g1),var(--g2));border-color:transparent}
.seq-key:hover{transform:translateY(-3px)}
.seq-key::after{content:attr(data-name);position:absolute;left:12px;bottom:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;opacity:.55}
.seq-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;margin-top:18px}

/* ---------- Solar-Kachel ---------- */
.card.solar{display:flex;flex-direction:column}
.card.solar>p{flex:0 0 auto}
.solar .solar-grid{display:grid;grid-template-columns:auto 1fr;gap:18px 22px;align-items:center;margin:auto 0;padding:22px 0}
.solar .ring{grid-row:span 3;justify-self:center}
.solar .ring{--p:0;width:120px;height:120px;border-radius:50%;display:grid;place-items:center;text-align:center;background:conic-gradient(var(--g2) calc(var(--p)*1%),rgba(255,255,255,.08) 0);position:relative;transition:--p .8s}
.solar .ring::before{content:'';position:absolute;inset:6px;border-radius:50%;background:var(--bg)}
.solar .ring b,.solar .ring span{position:relative;line-height:1}
.solar .ring b{font-family:var(--font-display);font-size:2.2rem;font-weight:400}
.solar .ring span{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em;color:var(--muted)}
.solar .kv{display:grid;gap:2px}
.solar .kv b{font-family:var(--font-display);font-weight:400;font-size:1.6rem;line-height:1;white-space:nowrap}
.solar .kv b span{font:inherit}
.solar .kv>span{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.solar.on [data-status]{color:var(--g1);border-color:rgba(52,211,153,.4)}
@media(max-width:760px){.solar .solar-grid{padding:12px 0}.solar .ring{width:96px;height:96px}}

/* Foto */
.portrait{position:relative;aspect-ratio:4/5;overflow:hidden;border-bottom:1px solid var(--line);background:#dfe8f0}
.portrait img{display:block;width:100%;height:100%;object-fit:cover}
.portrait::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,11,22,.55));pointer-events:none}
[data-theme='light'] .portrait::after{background:linear-gradient(180deg,transparent 60%,rgba(7,11,22,.18))}
.photo-band{position:relative;border-radius:var(--r,22px);overflow:hidden;border:1px solid var(--line);background:#dfe8f0;aspect-ratio:16/7}
.photo-band img{display:block;width:100%;height:100%;object-fit:cover;object-position:60% 45%}
.photo-band::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--bg) 0%,rgba(7,11,22,.35) 28%,transparent 55%),linear-gradient(0deg,rgba(7,11,22,.6),transparent 40%);pointer-events:none;mix-blend-mode:multiply}
[data-theme='light'] .photo-band::before{background:linear-gradient(90deg,rgba(255,255,255,.7),transparent 45%)}
.photo-band figcaption{position:absolute;left:22px;bottom:18px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#e8edf7;opacity:.85}
[data-theme='light'] .photo-band figcaption{color:#1a2233}
@media(max-width:760px){.photo-band{aspect-ratio:4/3}.photo-band img{object-position:70% 20%}}