/* Kathedrale der Rekursion — Buehne, Typografie, Chrom.
   Layer ueber mzone-ui: das Stylesheet liefert Tokens und Grundschrift,
   alles Seitenspezifische traegt den Praefix k-. */

:root { --k-ink: var(--mz-text-strong); }

html { scroll-behavior: smooth; }
/* Element-qualifiziert: .k-body heisst weiter unten auch der Fliesstext,
   und der darf den Seitenhintergrund nicht als Kasten hinter sich ziehen. */
body.k-body { margin: 0; overflow-x: hidden; background: var(--mz-bg); }

/* ---------- Buehne ---------- */
.k-stage {
  position: fixed; inset: 0; width: 100%; height: 100%;
  display: block; z-index: 0; pointer-events: none;
  transition: opacity .8s ease, filter .8s ease;
}
body.is-doc .k-stage { opacity: .22; filter: saturate(.6); }

/* Scanlines bleiben ein Hauch — sie sollen das Bild strukturieren, nicht streifen. */
.k-grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    repeating-linear-gradient(to bottom, transparent 0 2px, color-mix(in srgb, var(--mz-bg) 22%, transparent) 2px 3px),
    radial-gradient(125% 85% at 50% 50%, transparent 45%, color-mix(in srgb, var(--mz-bg) 82%, transparent) 100%);
}

/* ---------- HUD ---------- */
.k-hud {
  position: fixed; top: 0; left: 0; right: 0; z-index: 6;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 14px clamp(14px, 3vw, 34px);
  font-family: var(--mz-mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  color: color-mix(in srgb, var(--mz-text) 62%, transparent);
}
.k-hud i { opacity: .35; margin: 0 .35em; font-style: normal; }
.k-hud b { color: var(--mz-text-strong); font-weight: 500; letter-spacing: .12em; }
.k-hud__brand { color: var(--mz-text-strong); }
.k-hud__chapter { opacity: .75; }
@media (max-width: 640px) { .k-hud__chapter { display: none; } }

.k-rail { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 7; background: transparent; }
.k-rail__fill { height: 100%; width: 0; background: var(--mz-accent); box-shadow: 0 0 14px var(--mz-accent); transition: width .12s linear; }

/* ---------- Szenen ---------- */
.k-track { position: relative; z-index: 3; height: 760vh; }
.k-scenes { position: fixed; inset: 0; display: grid; place-items: center; pointer-events: none; }
/* Lichtkegel: nimmt dem Fraktal in der Bildmitte genug Helligkeit, damit
   Schrift darauf sicher lesbar bleibt, und laesst die Raender frei. */
.k-scenes::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(74% 58% at 50% 45%,
    color-mix(in srgb, var(--mz-bg) 93%, transparent) 0%,
    color-mix(in srgb, var(--mz-bg) 76%, transparent) 46%,
    transparent 80%);
}
.k-scene {
  grid-area: 1 / 1; width: min(920px, 88vw); text-align: center; position: relative;
  opacity: 0; transform: translateY(26px) scale(.985); filter: blur(6px);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1), filter .7s ease;
  will-change: opacity, transform;
}
.k-scene.is-active { opacity: 1; transform: none; filter: none; }
.k-scene > *:not(.k-num) { position: relative; z-index: 1; }

.k-num {
  position: absolute; left: 0; right: 0; bottom: -14vh; z-index: 0;
  font-size: clamp(9rem, 34vw, 26rem); font-weight: 800; line-height: .7;
  color: transparent; -webkit-text-stroke: 1px color-mix(in srgb, var(--mz-text) 13%, transparent);
  letter-spacing: -.06em; pointer-events: none; user-select: none;
}

.k-eyebrow {
  font-family: var(--mz-mono); font-size: 11px; letter-spacing: .34em; text-transform: uppercase;
  color: var(--mz-accent); margin: 0 0 1.4rem;
}
.k-h1 {
  margin: 0; font-size: clamp(2.9rem, 10.5vw, 8.6rem); font-weight: 200; line-height: .92;
  letter-spacing: -.045em; color: var(--k-ink);
}
/* Jede Titelzeile ein eigener Block — fx-decrypt ersetzt Textknoten und wuerde ein <br> verlieren. */
.k-h1 .k-line { display: block; }
.k-h2 {
  margin: 0 0 1.6rem; font-size: clamp(2.1rem, 6.6vw, 5rem); font-weight: 200; line-height: .98;
  letter-spacing: -.035em; color: var(--k-ink);
}
.k-h2 em { font-style: normal; color: var(--mz-accent); font-weight: 300; }
.k-sub {
  margin: 1.6rem 0 0; font-size: clamp(.95rem, 2.1vw, 1.3rem); font-weight: 300;
  letter-spacing: .28em; text-transform: uppercase; color: color-mix(in srgb, var(--mz-text) 85%, transparent);
}
p.k-body {
  margin: 0 auto 1rem; max-width: 54ch; background: transparent;
  font-size: clamp(.98rem, 1.35vw, 1.12rem); line-height: 1.75; color: var(--mz-text);
}
p.k-body em { font-style: italic; color: var(--k-ink); }
p.k-body--dim { color: color-mix(in srgb, var(--mz-text) 62%, transparent); font-size: .95em; }
.k-hint {
  margin-top: 2.6rem; font-family: var(--mz-mono); font-size: 10px; letter-spacing: .26em;
  text-transform: uppercase; color: color-mix(in srgb, var(--mz-text) 62%, transparent);
  animation: k-breathe 3.4s ease-in-out infinite;
}
@keyframes k-breathe { 0%,100% { opacity: .45 } 50% { opacity: 1 } }

/* ---------- Dokument ---------- */
.k-doc { position: relative; z-index: 4; background: linear-gradient(to bottom, transparent, var(--mz-bg) 9%); padding-top: 12vh; }
.k-sec { padding: clamp(4rem, 11vh, 9rem) 0; }
.k-sec .mz-h2 { font-weight: 250; letter-spacing: -.03em; line-height: 1.06; }

.k-presets { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin: 1.4rem 0 1rem; }
.k-themeslot { margin-left: auto; }

.k-prose p { margin: 0 0 1.15rem; }
.k-drop::first-letter {
  float: left; font-size: 4.4em; line-height: .78; font-weight: 250;
  padding: .06em .12em 0 0; color: var(--mz-accent);
}

.k-foot { padding: 4rem 0 6rem; }

/* Reveal nur, wenn JS laeuft — ohne JS bleibt alles sichtbar. */
.has-js .k-reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.has-js .k-reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .k-hint { animation: none; }
  .k-scene { transition-duration: .01ms; filter: none; }
  .has-js .k-reveal { opacity: 1; transform: none; transition: none; }
}