/* ============================================================
   HKIA — hkia.cloud · Design-System
   Zwei Dimensionen: VOID (Cyan/Violett) · SOLAR (Bernstein/Rosé)
   ============================================================ */

/* ---------- Fonts (self-hosted, DSGVO-konform) ---------- */
@font-face{
  font-family:"Unbounded";
  src:url("../fonts/unbounded-latin-wght-normal.woff2") format("woff2-variations"),
      url("../fonts/unbounded-latin-wght-normal.woff2") format("woff2");
  font-weight:200 900;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Space Grotesk";
  src:url("../fonts/space-grotesk-latin-wght-normal.woff2") format("woff2-variations"),
      url("../fonts/space-grotesk-latin-wght-normal.woff2") format("woff2");
  font-weight:300 700;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"JetBrains Mono";
  src:url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}

/* ---------- Dimensionen ---------- */
:root{
  --font-display:"Unbounded",system-ui,sans-serif;
  --font-body:"Space Grotesk",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;
  --nav-h:64px;
  --ease:cubic-bezier(.22,1,.36,1);
}
:root, [data-theme="void"]{
  --bg:#050110; --bg2:#0a0620; --panel:rgba(255,255,255,.035);
  --ink:#e9edfa; --muted:#8d95b2; --line:rgba(150,160,255,.16);
  --p1:#46f3ff; --p2:#8b5cf6; --p3:#ff4fd8;
  --glow1:rgba(70,243,255,.32); --glow2:rgba(139,92,246,.28);
  --neb1:rgba(139,92,246,.14); --neb2:rgba(70,243,255,.08); --neb3:rgba(255,79,216,.07);
}
[data-theme="solar"]{
  --bg:#0f0503; --bg2:#1c0a05; --panel:rgba(255,255,255,.04);
  --ink:#f8ede2; --muted:#b39a86; --line:rgba(255,180,120,.18);
  --p1:#ffb454; --p2:#ff6b6b; --p3:#ffe36e;
  --glow1:rgba(255,180,84,.32); --glow2:rgba(255,107,107,.26);
  --neb1:rgba(255,107,107,.13); --neb2:rgba(255,180,84,.09); --neb3:rgba(255,227,110,.06);
}

/* ---------- Reset & Basis ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html.reduced{scroll-behavior:auto}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.6;
  min-height:100vh;
  overflow-x:hidden;
  transition:background-color .8s var(--ease),color .8s var(--ease);
  -webkit-font-smoothing:antialiased;
}
body::before{ /* Nebel */
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(60vw 60vh at 78% 12%,var(--neb1),transparent 62%),
    radial-gradient(55vw 55vh at 12% 78%,var(--neb2),transparent 60%),
    radial-gradient(40vw 40vh at 50% 110%,var(--neb3),transparent 65%);
}
::selection{background:var(--p2);color:var(--bg)}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
kbd{font-family:var(--font-mono);border:1px solid var(--line);border-radius:4px;padding:0 .35em}
:focus-visible{outline:2px solid var(--p1);outline-offset:3px;border-radius:4px}
.mono{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}

/* Scrollbar */
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--p2),var(--p1));border-radius:99px}

/* Hintergrund-Canvas & Grain */
#space{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
#grain{
  position:fixed;inset:-50%;z-index:60;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
#warp{ /* Dimensionssprung-Blitz */
  position:fixed;inset:0;z-index:70;pointer-events:none;opacity:0;
  background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.9),rgba(255,255,255,0) 60%);
}
#warp.flash{animation:warp .5s ease-out}
@keyframes warp{0%{opacity:0}18%{opacity:.85}100%{opacity:0}}

#scrollProgress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:90;
  background:linear-gradient(90deg,var(--p1),var(--p2),var(--p3));
  box-shadow:0 0 12px var(--glow1);
}

/* ---------- Custom Cursor ---------- */
#cursorDot,#cursorRing{position:fixed;top:0;left:0;z-index:120;pointer-events:none;border-radius:50%;opacity:0}
#cursorDot{width:6px;height:6px;background:var(--p1);box-shadow:0 0 10px var(--glow1)}
#cursorRing{width:30px;height:30px;border:1px solid var(--p1);transition:width .25s,height .25s,border-color .25s;mix-blend-mode:screen}
body.cursor-on{cursor:none}
body.cursor-on a,body.cursor-on button{cursor:none}
body.cursor-on input,body.cursor-on textarea{cursor:text}
#cursorRing.expand{width:54px;height:54px;border-color:var(--p3)}

/* ---------- Skip / Noscript ---------- */
.skip-link{position:fixed;top:-100px;left:16px;z-index:200;background:var(--p1);color:var(--bg);padding:.5rem 1rem;border-radius:8px;font-weight:600;transition:top .3s}
.skip-link:focus{top:12px}
.noscript{position:fixed;bottom:0;left:0;right:0;background:var(--bg2);border-top:1px solid var(--line);padding:1rem;text-align:center;z-index:300}

/* ---------- Boot ---------- */
#boot{position:fixed;inset:0;z-index:150;background:var(--bg);display:flex;align-items:center;justify-content:center;transition:opacity .7s var(--ease),visibility .7s}
html.booted #boot{opacity:0;visibility:hidden}
.boot-inner{text-align:center}
.boot-mark svg{margin:0 auto 1.2rem}
.bm-core{fill:var(--p1)}
.bm-arc{stroke:var(--p2);stroke-width:2.5;stroke-linecap:round}
.bm-arc.dim,.brand-mark .bm-arc.dim{stroke:var(--p1);opacity:.6}
.boot-mark .a1{animation:spin 2.4s linear infinite;transform-origin:32px 32px}
.boot-mark .a2{animation:spin 3.4s linear infinite reverse;transform-origin:32px 32px}
.boot-mark .a3{animation:spin 1.7s linear infinite;transform-origin:32px 32px}
@keyframes spin{to{transform:rotate(360deg)}}
.boot-line{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.34em;color:var(--muted);margin-bottom:1rem}
.boot-bar{width:220px;height:2px;background:var(--line);margin:0 auto;border-radius:99px;overflow:hidden}
.boot-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--p1),var(--p3));transition:width .18s linear}

/* ---------- Navigation ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:0 clamp(1rem,4vw,2.5rem);
  background:color-mix(in srgb,var(--bg) 62%,transparent);
  background:rgba(5,1,16,.55);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .45s var(--ease),background .8s;
}
[data-theme="solar"] .nav{background:rgba(15,5,3,.55)}
.nav.hidden{transform:translateY(-110%)}
.brand{display:flex;align-items:center;gap:.6rem}
.brand-mark .bm-arc{stroke-width:3}
.brand-name{font-family:var(--font-display);font-weight:800;letter-spacing:.14em;font-size:1rem;
  background:linear-gradient(100deg,var(--p1),var(--p2));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:clamp(.9rem,2.4vw,2rem)}
.nav-links a{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);position:relative;padding:.4rem 0;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:linear-gradient(90deg,var(--p1),var(--p3));transition:width .35s var(--ease)}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-switches{display:flex;gap:.5rem}
.switch{
  display:flex;align-items:center;gap:.45rem;
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.2em;color:var(--muted);
  border:1px solid var(--line);border-radius:99px;padding:.4rem .8rem;
  transition:border-color .3s,color .3s,box-shadow .3s;
}
.switch:hover{border-color:var(--p1);color:var(--ink);box-shadow:0 0 16px var(--glow1)}
.switch-dot{width:7px;height:7px;border-radius:50%;background:var(--p1);box-shadow:0 0 8px var(--glow1);transition:background .3s}
.switch.off .switch-dot{background:var(--muted);box-shadow:none}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;overflow:hidden;isolation:isolate}
#vortex{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero-content{text-align:center;padding:0 1.25rem;max-width:1100px}
.eyebrow{margin-bottom:1.4rem;color:var(--p1);opacity:.9}
.hero-title{
  font-family:var(--font-display);font-weight:900;line-height:.92;
  font-size:clamp(4.2rem,17vw,12.5rem);letter-spacing:.02em;
  background:linear-gradient(115deg,var(--p1) 10%,var(--p2) 55%,var(--p3) 95%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 34px var(--glow2));
  margin-bottom:1.4rem;
}
.hero-title span{display:inline-block;opacity:0;transform:translateY(48px) rotateX(50deg)}
html.booted .hero-title span{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease)}
html.booted .hero-title span:nth-child(1){transition-delay:.10s}
html.booted .hero-title span:nth-child(2){transition-delay:.22s}
html.booted .hero-title span:nth-child(3){transition-delay:.34s}
html.booted .hero-title span:nth-child(4){transition-delay:.46s}
.hero-sub{font-size:clamp(1rem,2.1vw,1.3rem);font-weight:300;color:var(--ink);opacity:.88;margin-bottom:2.2rem}
.rotator{
  font-family:var(--font-mono);font-size:clamp(.72rem,1.5vw,.86rem);letter-spacing:.16em;
  color:var(--p1);min-height:2.6em;
  opacity:1;transform:translateY(0);transition:opacity .55s var(--ease),transform .55s var(--ease);
}
.rotator.fade{opacity:0;transform:translateY(10px)}

.scroll-cue{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.7rem;opacity:.75;transition:opacity .3s}
.scroll-cue:hover{opacity:1}
.scroll-cue .mono{font-size:.58rem}
.cue-line{width:1px;height:52px;background:linear-gradient(var(--p1),transparent);position:relative;overflow:hidden}
.cue-line::after{content:"";position:absolute;top:-40%;left:0;width:100%;height:40%;background:var(--p3);animation:cue 2.1s var(--ease) infinite}
@keyframes cue{to{top:110%}}

/* ---------- Das verborgene Pixel ---------- */
.pixel{position:absolute;left:73%;top:22%;width:26px;height:26px;z-index:6;display:grid;place-items:center;border-radius:50%}
.pixel i{width:4px;height:4px;border-radius:1px;background:var(--p1);box-shadow:0 0 7px var(--glow1);opacity:.9;transition:transform .35s var(--ease),box-shadow .35s;animation:pixelbreath 4.5s ease-in-out infinite}
@keyframes pixelbreath{0%,100%{opacity:.65}50%{opacity:1}}
.pixel::before{
  content:"SIGNAL?";position:absolute;bottom:130%;left:50%;transform:translateX(-50%) translateY(4px);
  font-family:var(--font-mono);font-size:.55rem;letter-spacing:.22em;color:var(--p1);
  opacity:0;transition:opacity .3s,transform .3s;white-space:nowrap;pointer-events:none;
}
.pixel:hover i,.pixel:focus-visible i{transform:scale(2.8);box-shadow:0 0 18px var(--glow1)}
.pixel:hover::before,.pixel:focus-visible::before{opacity:1;transform:translateX(-50%) translateY(0)}
.pixel::after{content:"";position:absolute;inset:-6px;border:1px solid var(--p1);border-radius:50%;opacity:0;transform:scale(.3)}
.pixel.ping::after{animation:ping 1.5s ease-out}
@keyframes ping{0%{opacity:.8;transform:scale(.3)}100%{opacity:0;transform:scale(2.2)}}

/* ---------- Marquee ---------- */
.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1.1rem 0;position:relative;z-index:1;background:rgba(0,0,0,.15)}
.marquee-track{display:flex;width:max-content;animation:marquee 26s linear infinite}
.marquee-track span{
  font-family:var(--font-display);font-weight:700;font-size:clamp(1.4rem,3.4vw,2.4rem);
  letter-spacing:.06em;white-space:nowrap;color:transparent;
  -webkit-text-stroke:1px var(--line);
}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Sektionen ---------- */
.section{position:relative;z-index:1;padding:clamp(6rem,12vw,10rem) clamp(1.25rem,6vw,6rem);max-width:1380px;margin:0 auto}
.section-head{margin-bottom:clamp(3rem,6vw,5rem)}
.section-index{color:var(--p1);margin-bottom:1.1rem}
.display{
  font-family:var(--font-display);font-weight:800;line-height:1.06;
  font-size:clamp(2rem,5.6vw,4.2rem);letter-spacing:.01em;
}
.section-sub{max-width:560px;color:var(--muted);margin-top:1.2rem;font-weight:300;font-size:1.02rem}

/* Manifest */
.manifest-list{list-style:none;display:grid;gap:0}
.manifest-item{
  position:relative;padding:clamp(2rem,4vw,3rem) 0 clamp(2rem,4vw,3rem) clamp(3rem,7vw,5.5rem);
  border-top:1px solid var(--line);
  display:grid;grid-template-columns:1fr;gap:.5rem;
}
.manifest-item:last-child{border-bottom:1px solid var(--line)}
.m-index{position:absolute;left:0;top:clamp(2.2rem,4vw,3.2rem);color:var(--p2)}
.m-title{font-family:var(--font-mono);font-weight:400;font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--p1)}
.m-lead{font-family:var(--font-display);font-weight:600;font-size:clamp(1.25rem,3vw,2.1rem);line-height:1.25;max-width:20ch}
.m-body{color:var(--muted);max-width:62ch;font-weight:300}
.manifest-item::after{ /* Puls-Linie am Rand */
  content:"";position:absolute;left:0;top:0;width:2px;height:0;
  background:linear-gradient(var(--p1),var(--p3));transition:height 1s var(--ease);
}
.manifest-item.in::after{height:100%}

/* Felder / Karten */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:clamp(1rem,2.4vw,1.75rem)}
.card{
  position:relative;overflow:hidden;border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,var(--panel),rgba(255,255,255,.008));
  padding:clamp(1.6rem,3vw,2.3rem);
  transform-style:preserve-3d;will-change:transform;
  transition:border-color .4s,box-shadow .4s;
}
.card::before{ /* Spotlight folgt der Maus */
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .45s;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(70,243,255,.11),transparent 62%);
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),color-mix(in srgb,var(--p1) 13%,transparent),transparent 62%);
}
.card:hover{border-color:var(--p1);box-shadow:0 24px 60px -28px var(--glow2),0 0 0 1px var(--glow1) inset}
.card:hover::before{opacity:1}
.c-index{color:var(--p2);margin-bottom:1.4rem}
.c-icon{width:48px;height:48px;margin-bottom:1.4rem}
.c-icon svg{width:100%;height:100%;stroke:var(--p1);stroke-width:1.6;fill:none;stroke-linecap:round;filter:drop-shadow(0 0 8px var(--glow1));transition:transform .5s var(--ease)}
.card:hover .c-icon svg{transform:rotate(-8deg) scale(1.08)}
.card h3{font-family:var(--font-display);font-weight:700;font-size:1.08rem;line-height:1.35;margin-bottom:.7rem}
.card p{color:var(--muted);font-weight:300;font-size:.95rem}
.c-more{margin-top:1.4rem;color:var(--p1);opacity:0;transform:translateX(-8px);transition:opacity .4s,transform .4s}
.card:hover .c-more{opacity:1;transform:none}

/* Kosmos / D3 */
.kosmos .section-head{text-align:left}
.neural-wrap{
  position:relative;border:1px solid var(--line);border-radius:24px;overflow:hidden;
  background:radial-gradient(80% 90% at 50% 10%,var(--bg2),transparent 70%);
}
#neural{width:100%;height:clamp(420px,62vh,640px);display:block;touch-action:none}
#neural .link{stroke:var(--line);stroke-width:1;transition:opacity .35s,stroke .35s}
#neural .node circle.core{fill:var(--bg);stroke-width:1.6;transition:opacity .35s;cursor:grab}
#neural .node circle.halo{fill:none;stroke-width:1;opacity:.5;pointer-events:none}
#neural .node text{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  fill:var(--muted);pointer-events:none;transition:opacity .35s,fill .35s;
}
#neural .dim{opacity:.13}
#neural .hot circle.core{stroke-width:2.4}
#neural .hot text{fill:var(--ink)}
#neural .pulse{pointer-events:none}
.neural-legend{padding:.9rem 1.4rem;border-top:1px solid var(--line);font-size:.6rem}

/* Strudel */
.strudel{position:relative;min-height:92svh;display:flex;align-items:center;justify-content:center;overflow:hidden;isolation:isolate;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
#spiral{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.strudel-content{text-align:center;padding:0 1.5rem;max-width:900px}
.strudel-quote{font-family:var(--font-display);font-weight:700;font-size:clamp(1.4rem,3.6vw,2.6rem);line-height:1.3;margin:1.4rem 0 1rem;text-shadow:0 0 40px rgba(0,0,0,.65)}
.strudel-sub{color:var(--p1);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.3em;text-transform:uppercase}

/* Signal */
.signal{text-align:center}
.signal .display{margin-bottom:1.6rem}
.signal-body{max-width:52ch;margin:0 auto 1.6rem;color:var(--muted);font-size:1.08rem;font-weight:300}
.signal-hint{color:var(--p2);font-size:.62rem}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);padding:3.4rem clamp(1.25rem,6vw,6rem) 2.2rem;position:relative;z-index:1;background:rgba(0,0,0,.22)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.4fr;gap:2rem;align-items:start;max-width:1380px;margin:0 auto 2.4rem}
.f-brand p{color:var(--muted);font-weight:300;font-size:.9rem;margin-top:.6rem}
.f-links{display:flex;flex-direction:column;gap:.55rem}
.f-links a{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);transition:color .3s;width:max-content}
.f-links a:hover{color:var(--p1)}
.f-privacy{text-align:right;color:var(--p1);font-size:.62rem}
.f-copy{text-align:center;font-size:.6rem;opacity:.7;max-width:1380px;margin:0 auto;border-top:1px solid var(--line);padding-top:1.6rem}

/* ---------- Transmission Modal ---------- */
.modal{position:fixed;inset:0;z-index:140;display:flex;align-items:center;justify-content:center;padding:1.25rem}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(2,0,8,.72);-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}
.modal-box{
  position:relative;width:min(560px,100%);border:1px solid var(--line);border-radius:18px;
  background:linear-gradient(170deg,rgba(255,255,255,.05),rgba(255,255,255,.01)),var(--bg2);
  box-shadow:0 40px 120px -30px var(--glow2),0 0 0 1px rgba(255,255,255,.03) inset;
  padding:1.6rem 1.7rem 1.9rem;
  animation:modalIn .5s var(--ease);
}
@keyframes modalIn{from{opacity:0;transform:translateY(26px) scale(.97)}to{opacity:1;transform:none}}
.modal-box::before,.modal-box::after{content:"";position:absolute;width:18px;height:18px;border:1px solid var(--p1);opacity:.8}
.modal-box::before{top:-1px;left:-1px;border-right:0;border-bottom:0;border-top-left-radius:18px}
.modal-box::after{bottom:-1px;right:-1px;border-left:0;border-top:0;border-bottom-right-radius:18px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}
.modal-head .mono{color:var(--p1);font-size:.64rem}
.modal-close{color:var(--muted);font-size:1rem;padding:.25rem .5rem;border-radius:8px;transition:color .3s,transform .3s}
.modal-close:hover{color:var(--p3);transform:rotate(90deg)}
.modal-typed{margin-bottom:1.3rem;color:var(--ink);font-size:.72rem;min-height:1.2em}
.modal-typed::after{content:"▌";color:var(--p1);animation:blink 1s steps(1) infinite;margin-left:2px}
@keyframes blink{50%{opacity:0}}
.field{display:block;margin-bottom:1rem}
.field .mono{display:block;font-size:.56rem;margin-bottom:.45rem}
.field input,.field textarea{
  width:100%;background:rgba(0,0,0,.32);border:1px solid var(--line);border-radius:10px;
  color:var(--ink);font-family:var(--font-body);font-size:.95rem;padding:.7rem .9rem;
  transition:border-color .3s,box-shadow .3s;resize:vertical;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--p1);box-shadow:0 0 0 3px rgba(70,243,255,.12),0 0 22px var(--glow1)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);opacity:.55}
.modal-actions{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:1.3rem}
.btn-send{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--bg);background:linear-gradient(100deg,var(--p1),var(--p2));
  padding:.85rem 1.5rem;border-radius:99px;font-weight:600;
  box-shadow:0 10px 34px -10px var(--glow1);
  transition:transform .3s var(--ease),box-shadow .3s;
}
.btn-send:hover{transform:translateY(-2px);box-shadow:0 16px 44px -10px var(--glow1)}
.btn-send:active{transform:translateY(0)}
.tm-direct{font-size:.58rem}
.tm-direct a{color:var(--p1);border-bottom:1px dashed var(--p1)}
.tm-status{margin-top:1rem;color:var(--p3);font-size:.62rem;min-height:1em}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(34px)}
.reveal.in{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease)}
html.no-js .reveal{opacity:1;transform:none}

/* ---------- Legal-Seiten & 404 ---------- */
.legal{max-width:820px;margin:0 auto;padding:calc(var(--nav-h) + 4rem) clamp(1.25rem,5vw,3rem) 6rem;position:relative;z-index:1}
.legal h1{font-family:var(--font-display);font-weight:800;font-size:clamp(1.8rem,4.5vw,3rem);margin-bottom:2.2rem}
.legal h2{font-family:var(--font-display);font-weight:700;font-size:1.15rem;margin:2.4rem 0 .8rem;color:var(--p1)}
.legal p,.legal li{color:var(--muted);font-weight:300;margin-bottom:.8rem}
.legal ul{padding-left:1.2rem}
.legal a{color:var(--p1);border-bottom:1px dashed var(--p1)}
.legal .placeholder{color:var(--p3);font-family:var(--font-mono);font-size:.85em}
.back-link{display:inline-block;margin-bottom:2.5rem;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);transition:color .3s}
.back-link:hover{color:var(--p1)}

.page404{min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem;position:relative;z-index:1}
.page404 .code{font-family:var(--font-display);font-weight:900;font-size:clamp(5rem,22vw,13rem);line-height:1;
  background:linear-gradient(115deg,var(--p1),var(--p2),var(--p3));-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 30px var(--glow2))}
.page404 .orbitals{width:120px;height:120px;margin:1.6rem auto;position:relative}
.page404 .orbitals span{position:absolute;inset:0;border:1px solid var(--p2);border-radius:50%;opacity:.5;animation:spin 6s linear infinite}
.page404 .orbitals span:nth-child(2){inset:18px;border-color:var(--p1);animation-duration:3.6s;animation-direction:reverse}
.page404 .orbitals span:nth-child(3){inset:38px;border-color:var(--p3);animation-duration:2.2s}
.page404 h1{font-family:var(--font-display);font-weight:700;font-size:clamp(1.1rem,3vw,1.6rem);margin-bottom:.8rem}
.page404 p{color:var(--muted);font-weight:300;max-width:44ch;margin:0 auto 2rem}

/* ---------- Reduced Motion ---------- */
html.reduced *,html.reduced *::before,html.reduced *::after{animation:none !important;transition:none !important}
html.reduced .reveal{opacity:1;transform:none}
html.reduced .hero-title span{opacity:1;transform:none}
html.reduced #grain,html.reduced .cue-line::after{display:none}
html.reduced .marquee-track{animation:none !important;transform:none}
html.reduced #cursorDot,html.reduced #cursorRing{display:none}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .footer-grid{grid-template-columns:1fr;gap:1.6rem}
  .f-privacy{text-align:left}
  .nav-links{display:none}
  .pixel{left:80%;top:16%}
}
@media (max-width:520px){
  .switch-label{display:none}
  .switch{padding:.5rem .6rem}
  .hero-sub br{display:none}
  .manifest-item{padding-left:2.4rem}
}
@media (hover:none){
  .c-more{opacity:1;transform:none}
}

/* ============ DIMENSIONSTAUCHGANG ============ */
#diveWarp {
  position: fixed; inset: 0; z-index: 90;
  width: 100vw; height: 100vh;
  pointer-events: none; opacity: 0;
  transition: opacity .25s ease;
}
.dive {
  position: fixed; inset: 0; z-index: 80;
  overflow-y: auto;
  background:
    radial-gradient(1000px 600px at 78% 12%, rgba(139, 92, 246, .16), transparent 60%),
    radial-gradient(800px 700px at 12% 88%, rgba(70, 243, 255, .10), transparent 55%),
    var(--bg);
  animation: diveIn .5s ease both;
}
html.reduced .dive { animation: none; }
@keyframes diveIn {
  from { opacity: 0; transform: scale(1.04); }
  to { opacity: 1; transform: scale(1); }
}
body.dive-open { overflow: hidden; }
body.dive-leaving .dive { opacity: 0; transition: opacity .3s ease; }

.dive-inner {
  max-width: 780px; margin: 0 auto;
  padding: clamp(5rem, 12vh, 9rem) 1.5rem 6rem;
}
.dive-back {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em;
  color: var(--muted); background: transparent;
  border: 1px solid var(--line); border-radius: 999px;
  padding: .55rem 1.1rem; cursor: pointer;
  transition: color .25s ease, border-color .25s ease, transform .25s ease;
}
.dive-back:hover, .dive-back:focus-visible {
  color: var(--p1); border-color: var(--p1); transform: translateX(-3px);
  outline: none;
}
.dive-kicker { margin-top: 3rem; color: var(--muted); font-size: .7rem; letter-spacing: .18em; }
.dive-title {
  --accent: var(--p1);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  margin: .6rem 0 1rem;
  background: linear-gradient(100deg, var(--ink) 20%, var(--accent) 85%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.dive-essence {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  color: var(--ink); font-weight: 500;
  border-left: 2px solid var(--p2);
  padding-left: 1.1rem; margin-bottom: 2.4rem;
}
.dive-body p {
  color: var(--muted); line-height: 1.85;
  font-size: 1.02rem; margin-bottom: 1.3rem; max-width: 62ch;
}
.dive-res-wrap { margin-top: 3.2rem; }
.dive-res-label { color: var(--muted); font-size: .68rem; letter-spacing: .18em; margin-bottom: .9rem; }
.dive-res { display: flex; flex-wrap: wrap; gap: .6rem; }
.res-chip {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .06em;
  color: var(--ink); text-decoration: none;
  border: 1px solid var(--line); border-radius: 999px;
  padding: .5rem 1.05rem;
  transition: border-color .25s ease, color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.res-chip:hover, .res-chip:focus-visible {
  color: var(--p1); border-color: var(--p1);
  box-shadow: 0 0 18px rgba(70, 243, 255, .25);
  transform: translateY(-2px); outline: none;
}
.dive-hint { margin-top: 4rem; color: var(--muted); opacity: .6; font-size: .65rem; letter-spacing: .16em; }

/* ============ BACK-TO-TOP ============ */
#toTop {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 60;
  width: 2.9rem; height: 2.9rem; border-radius: 50%;
  background: rgba(5, 1, 16, .55); color: var(--p1);
  border: 1px solid var(--line);
  font-size: 1.1rem; cursor: pointer;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
  animation: topIn .35s ease both;
}
html.reduced #toTop { animation: none; }
@keyframes topIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
#toTop:hover, #toTop:focus-visible {
  border-color: var(--p1);
  box-shadow: 0 0 22px rgba(70, 243, 255, .35);
  transform: translateY(-3px); outline: none;
}
[data-theme="solar"] #toTop { background: rgba(15, 5, 3, .55); }

@media (max-width: 520px) {
  .dive-inner { padding-top: 4.2rem; }
  #toTop { right: 1rem; bottom: 1rem; }
}

/* ============ WARP-NAVIGATION ============ */
#warpLabel {
  position: fixed; left: 50%; top: 50%; z-index: 91;
  transform: translate(-50%, -50%) scale(.92);
  font-size: clamp(.8rem, 2.4vw, 1.15rem);
  letter-spacing: .34em; color: var(--ink);
  text-shadow: 0 0 24px var(--p1), 0 0 60px var(--p2);
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease, transform .45s var(--ease);
  white-space: nowrap;
}
#warpLabel.on { opacity: 1; transform: translate(-50%, -50%) scale(1); }
body.warping { overflow: hidden; }

/* ============ DIMENSIONS-BACKDROPS (optional, Higgsfield-Art) ============ */
.section, .strudel { position: relative; }
.dim-bg {
  position: absolute; inset: 0; z-index: -1;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.4s ease;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 82%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 18%, #000 82%, transparent 100%);
}
.dim-bg::after {
  content: ""; position: absolute; inset: 0;
  background: var(--bg); opacity: .78;
}
.dim-bg.on { opacity: .5; }
html.reduced .dim-bg { transition: none; }

/* Labor-Link in der Hauptnavigation */
.nav-labor { color: var(--p1) !important; text-shadow: 0 0 12px rgba(70,243,255,.4); }

/* ============ PORTAL (Tür ins Labor) ============ */
.portal { text-align: center; }
.portal-wrap { display: grid; justify-items: center; gap: 1.1rem; }
.portal-sub { color: var(--muted); line-height: 1.8; max-width: 52ch; }
.portal-ring {
  position: relative; display: grid; place-items: center;
  width: clamp(180px, 26vw, 240px); height: clamp(180px, 26vw, 240px);
  margin: 2.2rem 0 1rem; border-radius: 50%;
  text-decoration: none; isolation: isolate;
}
.portal-spin {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, var(--p1), var(--p2), var(--p3), var(--p1));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2px));
  animation: portalSpin 7s linear infinite;
  filter: drop-shadow(0 0 14px rgba(70,243,255,.45));
}
@keyframes portalSpin { to { transform: rotate(360deg); } }
.portal-core {
  position: absolute; inset: 14%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 42%, rgba(139,92,246,.35), transparent 62%),
    radial-gradient(circle at 50% 50%, rgba(70,243,255,.14), rgba(0,0,4,.9) 72%);
  box-shadow: inset 0 0 40px rgba(0,0,0,.9);
  animation: portalBreath 4.5s ease-in-out infinite;
}
@keyframes portalBreath { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }
.portal-label {
  position: relative; z-index: 1;
  font-size: .72rem; letter-spacing: .3em; color: var(--ink);
  text-shadow: 0 0 16px var(--p1);
  transition: letter-spacing .4s var(--ease), color .3s ease;
}
.portal-ring:hover .portal-spin, .portal-ring:focus-visible .portal-spin { animation-duration: 1.6s; }
.portal-ring:hover .portal-label, .portal-ring:focus-visible .portal-label { letter-spacing: .42em; color: var(--p1); }
.portal-ring:focus-visible { outline: none; }
.portal-hint { color: var(--muted); opacity: .6; font-size: .62rem; letter-spacing: .16em; }
html.reduced .portal-spin, html.reduced .portal-core { animation: none; }