/* ============================================================
   BLACKSCREEN — Coming-Soon Onepager
   Strikt monochrom. Schwarze Bühne, weißes Licht als einziger Akzent.
   Vorlagen-DNA: Hero-Studios (schwarze Bühne, 0px Radius),
   Velos (Film-Grain, Pure-CSS-Motion), Spatial-Festival (harte Typo-Spreizung).
   ============================================================ */

/* ---- Fonts (lokal self-hosted, kein CDN → DSGVO-sauber) ---- */
@font-face {
  font-family: "Work Sans";
  src: url("/assets/fonts/worksans-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Work Sans";
  src: url("/assets/fonts/worksans-600.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}

:root {
  --ink: #000000;          /* die Bühne */
  --near-black: #0A0A0A;
  --paper: #F5F4F3;        /* warmes Off-White für Text */
  --hair: rgba(255, 255, 255, 0.40);
  --dim: rgba(245, 244, 243, 0.55);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Work Sans", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow: hidden;            /* eine ruhige Bühne, kein Scroll */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---- Film-Grain-Overlay ---- */
.grain {
  position: fixed; inset: 0; z-index: 40; pointer-events: none;
  opacity: 0.05;
  background-image: url("/assets/grain.svg");
  background-size: 220px 220px;
  mix-blend-mode: screen;
  animation: grain-shift 0.6s steps(2) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  100% { transform: translate(-12px, 8px); }
}

/* ---- Cursor-Spotlight (per JS, dezenter Lichtschein im Schwarz) ---- */
.spotlight {
  position: fixed; inset: 0; z-index: 5; pointer-events: none;
  opacity: 0; transition: opacity 1.2s ease;
  background: radial-gradient(
    240px circle at var(--mx, 50%) var(--my, 40%),
    rgba(255, 255, 255, 0.05), transparent 70%);
}
.spotlight.is-on { opacity: 1; }

/* ---- Kamera-Sucher (Viewfinder-Ecken) ---- */
.viewfinder { position: fixed; inset: 0; z-index: 30; pointer-events: none; }
.corner {
  position: absolute; width: 26px; height: 26px;
  border: 1px solid var(--hair);
  opacity: 0; animation: fade-in 1s ease 0.2s forwards;
}
.corner.tl { top: 26px; left: 26px; border-right: 0; border-bottom: 0; }
.corner.tr { top: 26px; right: 26px; border-left: 0; border-bottom: 0; }
.corner.bl { bottom: 26px; left: 26px; border-right: 0; border-top: 0; }
.corner.br { bottom: 26px; right: 26px; border-left: 0; border-top: 0; }

/* ---- HUD (REC + Standort) ---- */
.hud {
  position: fixed; z-index: 31;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--dim);
  display: flex; align-items: center; gap: 8px;
  opacity: 0; animation: fade-in 1s ease 0.5s forwards;
}
.hud--tl { top: 30px; left: 64px; }
.hud--tr { top: 30px; right: 64px; }
.rec-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 8px rgba(255,255,255,0.9);
  animation: rec-blink 1.6s ease-in-out infinite;
}
@keyframes rec-blink { 0%,100% { opacity: 1; } 50% { opacity: 0.15; } }

/* ---- Bühne ---- */
.stage {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: clamp(28px, 5vh, 52px);
  padding: 14vh 24px 8vh;
  text-align: center;
}

/* ---- Logo + Belichtungs-Animation ---- */
.reveal {
  position: relative;
  width: min(74vw, 540px);
  display: flex; align-items: center; justify-content: center;
}
.logo {
  width: 100%; height: auto; display: block;
  /* Belichtung: von der horizontalen Mittellinie nach außen aufziehen */
  clip-path: inset(50% 0 50% 0);
  opacity: 0;
  filter: drop-shadow(0 0 0 rgba(255,255,255,0));
  animation:
    expose 0.9s cubic-bezier(.22,.61,.36,1) 0.45s forwards,
    flicker 0.22s steps(1) 1.35s 1,
    logo-breathe 7s ease-in-out 2.2s infinite;
}
@keyframes expose {
  0%   { clip-path: inset(49.5% 0 49.5% 0); opacity: 0; }
  18%  { opacity: 1; }
  100% { clip-path: inset(0 0 0 0); opacity: 1; }
}
@keyframes flicker {
  0% { opacity: 1; } 20% { opacity: 0.35; } 40% { opacity: 1; }
  60% { opacity: 0.6; } 80% { opacity: 1; }
}
@keyframes logo-breathe {
  0%,100% { filter: drop-shadow(0 0 6px rgba(255,255,255,0.06)); }
  50%     { filter: drop-shadow(0 0 18px rgba(255,255,255,0.16)); }
}

/* Der Lichtspalt, aus dem die Belichtung zündet */
.lightslit {
  position: absolute; left: 50%; top: 50%;
  width: 64%; height: 2px; transform: translate(-50%, -50%) scaleX(0);
  background: #fff;
  box-shadow: 0 0 18px 2px rgba(255,255,255,0.85), 0 0 60px 8px rgba(255,255,255,0.35);
  opacity: 0;
  animation:
    slit-ignite 0.5s ease-out 0.05s forwards,
    slit-fade 0.5s ease-in 0.95s forwards;
}
@keyframes slit-ignite {
  0%   { transform: translate(-50%, -50%) scaleX(0); opacity: 0; }
  40%  { opacity: 1; }
  100% { transform: translate(-50%, -50%) scaleX(1); opacity: 1; }
}
@keyframes slit-fade { to { opacity: 0; } }

/* Idle: gelegentlicher anamorpher Flare-Sweep über das Logo */
.flare {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.flare::before {
  content: ""; position: absolute; top: 0; bottom: 0; width: 40%;
  left: -60%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.20), transparent);
  mix-blend-mode: screen;
  animation: flare-sweep 8s ease-in-out 3.5s infinite;
}
@keyframes flare-sweep {
  0%, 70%, 100% { left: -60%; opacity: 0; }
  78%  { opacity: 1; }
  92%  { left: 120%; opacity: 0; }
}

/* ---- Copy ---- */
.tagline {
  font-weight: 600; font-size: clamp(1.15rem, 1rem + 1.4vw, 1.9rem);
  letter-spacing: 0.005em; line-height: 1.15;
  opacity: 0; animation: rise 0.9s ease 1.7s forwards;
}
.sub {
  font-weight: 400; font-size: clamp(0.86rem, 0.8rem + 0.4vw, 1rem);
  color: var(--dim); line-height: 1.6; max-width: 40ch;
  opacity: 0; animation: rise 0.9s ease 2.0s forwards;
}
.mail {
  color: var(--paper); text-decoration: none;
  border-bottom: 1px solid var(--hair); padding-bottom: 1px;
  white-space: nowrap; transition: border-color 0.3s ease, color 0.3s ease;
}
.mail:hover { border-color: var(--paper); }

/* ---- Footer ---- */
.foot {
  position: relative; z-index: 31;
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap;
  padding: 20px 64px 26px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--dim);
  opacity: 0; animation: fade-in 1s ease 2.3s forwards;
}
.foot a { color: var(--dim); text-decoration: none; transition: color 0.3s ease; }
.foot a:hover { color: var(--paper); }
.foot .sep { margin: 0 8px; opacity: 0.5; }

/* ---- Keyframes (shared) ---- */
@keyframes fade-in { to { opacity: 1; } }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---- Mobile ---- */
@media (max-width: 640px) {
  .hud--tl { left: 22px; } .hud--tr { right: 22px; }
  .corner.tl, .corner.bl { left: 16px; } .corner.tr, .corner.br { right: 16px; }
  .foot { justify-content: center; padding: 16px 22px 22px; text-align: center; }
  .reveal { width: 82vw; }
}

/* ---- Reduced Motion: alles sofort statisch ---- */
@media (prefers-reduced-motion: reduce) {
  .grain { animation: none; }
  .corner, .hud, .tagline, .sub, .foot { opacity: 1; animation: none; }
  .logo { clip-path: inset(0 0 0 0); opacity: 1; animation: none; filter: none; }
  .lightslit, .flare::before, .rec-dot { animation: none; }
  .lightslit { opacity: 0; }
  .rec-dot { opacity: 1; }
}