/* ─── Tokens ──────────────────────────────────────────────────────────────── */
:root {
  /* Farben: fast monochrom, ein einziger Akzent */
  --bg:        #0a0a0a;
  --bg-raise: #111111;
  --bg-hover: #1a1a1a;
  --fg:        #e8e6e3;   /* warmes Weiß, nicht klinisch */
  --fg-dim:    #7a7772;   /* gedämpftes Grau */
  --fg-faint:  #3a3835;   /* fast unsichtbar */
  --line:      #1f1e1c;   /* Haarlinie */
  --accent:    #2d9fb5;   /* Teal-Blau aus deinem Logo — dezent, nicht kitschig */

  /* Typo */
  --font-sans: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace,
               "Cascadia Code", "Segoe UI Mono", monospace;

  /* Graden */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;

  /* Radii – bewusst klein, keine abgerundeten Ecken im Web-2.0-Sinne */
  --r-sm: 2px;
  --r-md: 4px;

  /* Motion – kurz, sauber */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 160ms;
  --t-med:  320ms;
}

/* ─── Reset / Basis ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

img, video { display: block; max-width: 100%; }

::selection {
  background: var(--accent);
  color: #000;
}

/* ─── Loader (während videos.json geladen wird) ──────────────────────────── */
#app[aria-busy="true"] .loader {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--bg);
  z-index: 100;
}

.loader-bar {
  display: block;
  width: 120px;
  height: 2px;
  background: var(--line);
  overflow: hidden;
  position: relative;
}

.loader-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  animation: loadbar 1.2s var(--ease) infinite;
}

@keyframes loadbar {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ─── Layout-Frame ────────────────────────────────────────────────────────── */
/* Alles sitzt in einer schmalen, zentrierten Spalte – eher Katalog als App */
#app > header,
#app > main,
#app > section,
#app > footer {
  width: min(100% - 3rem, 72rem);
  margin-inline: auto;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) 0 var(--sp-5);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg);
  transition: color var(--t-fast) var(--ease);
}

.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  opacity: 0.9;
}

.brand:hover { color: var(--accent); }

.nav-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

/* ─── Stage (Hauptfenster) ────────────────────────────────────────────────── */
.stage {
  padding: var(--sp-6) 0;
}

.stage-figure {
  position: relative;
  background: #000;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.stage-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.stage-caption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2) var(--sp-4);
  margin-top: var(--sp-4);
}

.stage-title {
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--fg);
}

.stage-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
}

/* Beschreibung + Tracklist unter der Caption (nur wenn vorhanden) */
.stage-extra:empty {
  display: none;
}

.stage-desc {
  margin-top: var(--sp-4);
  max-width: 42rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--fg-dim);
}

.stage-tracks {
  margin-top: var(--sp-4);
  max-width: 42rem;
  padding-left: var(--sp-5);
  list-style: decimal-leading-zero;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.9;
  color: var(--fg-dim);
}

.stage-tracks li { color: var(--fg-dim); }
.stage-tracks li::marker { color: var(--fg-faint); }

/* ─── Bio ─────────────────────────────────────────────────────────────────── */
.bio {
  padding: 0 0 var(--sp-6);
  max-width: 42rem;
}

.bio p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--fg-dim);
  letter-spacing: 0.005em;
}

.bio-name {
  font-family: var(--font-mono);
  color: var(--fg);
  letter-spacing: 0.04em;
}

.bio-cta {
  color: var(--accent);
  font-style: italic;
}

/* ─── Reel (Thumbnail-Leiste) ─────────────────────────────────────────────── */
.reel {
  padding: var(--sp-4) 0 var(--sp-7);
}

.reel-track {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: var(--sp-3);
}

/* ─── Thumbnail-Karte ─────────────────────────────────────────────────────── */
.reel-card {
  position: relative;
  display: block;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-raise);
  transition:
    transform var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    box-shadow var(--t-med) var(--ease);
}

.reel-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) contrast(1.05) brightness(0.85);
  transform: scale(1);
  transition:
    filter var(--t-med) var(--ease),
    transform var(--t-med) var(--ease);
}

/* Label unter dem Thumbnail */
.reel-card .card-label {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 0.4rem 0.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0));
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--fg);
  text-align: left;
  line-height: 1.3;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.reel-card .card-label .card-id {
  color: var(--fg-dim);
  margin-right: 0.35em;
}

/* Hover: leichte Hebung, Rand akzentuiert, Label erscheint */
@media (hover: hover) and (pointer: fine) {
  .reel-card:hover,
  .reel-card:focus-visible {
    transform: translateY(-4px);
    border-color: var(--fg-faint);
    box-shadow: 0 12px 32px -12px rgba(0,0,0,0.8);
  }

  .reel-card:hover img,
  .reel-card:focus-visible img {
    filter: grayscale(0) contrast(1.05) brightness(0.95);
    transform: scale(1.04);
  }

  .reel-card:hover .card-label,
  .reel-card:focus-visible .card-label {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Aktive (laufende) Karte */
.reel-card[aria-current="true"] {
  border-color: var(--accent);
}

.reel-card[aria-current="true"] img {
  filter: grayscale(0) contrast(1.08) brightness(1);
}

.reel-card[aria-current="true"] .card-label {
  opacity: 1;
  transform: translateY(0);
}

.reel-card[aria-current="true"] .card-label .card-id {
  color: var(--accent);
}

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
  margin-top: auto;
  padding: var(--sp-5) 0 var(--sp-7);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-5);
}

.footer-line {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  list-style: none;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  transition: color var(--t-fast) var(--ease);
}

.footer-links a:hover,
.footer-links a:focus-visible { color: var(--fg); }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 720px) {
  :root { --sp-6: 1.5rem; --sp-7: 2rem; }

  .reel-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp-2);
  }

  .reel-card .card-label {
    /* Auf mobile: Label immer sichtbar, da kein Hover */
    opacity: 1;
    transform: translateY(0);
    font-size: 0.6rem;
  }

  .site-header { padding: var(--sp-5) 0 var(--sp-4); }
}

@media (max-width: 420px) {
  .reel-track { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-links { gap: var(--sp-3); }
}

/* ─── Barrierefreiheit ────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}