/* ==========================================================
   CASTAMPLIFICATION — shared stylesheet
   Ästhetik: dunkles Verstärker-Chassis, Tolex-Textur,
   gebürstetes Messing-Schild, glühende Röhre als Signature.
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Work+Sans:wght@400;500;600&family=Space+Mono:wght@400;700&display=swap');

:root {
  --bg: #0b0805;
  --bg-2: #150f09;
  --tolex: #241a10;
  --brass: #c9a034;
  --brass-bright: #e9c15b;
  --copper: #b1603a;
  --glow: #ff9a42;
  --glow-soft: rgba(255, 154, 66, 0.35);
  --cream: #f3e8d6;
  --muted: #a8977c;
  --line: rgba(201, 160, 52, 0.28);

  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-body: 'Work Sans', system-ui, sans-serif;
  --font-mono: 'Space Mono', monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100svh;
  background:
    radial-gradient(ellipse 120% 60% at 50% -10%, var(--glow-soft), transparent 60%),
    repeating-linear-gradient(135deg, var(--tolex) 0px, var(--tolex) 2px, var(--bg-2) 2px, var(--bg-2) 4px),
    var(--bg);
  color: var(--cream);
  font-family: var(--font-body);
  line-height: 1.5;
  overflow-x: hidden;
}

/* subtle grain overlay for a worn-chassis feel */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* vignette */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  box-shadow: inset 0 0 18vmin 2vmin rgba(0,0,0,0.75);
}

.wrap {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8vh 6vw 6vh;
  text-align: center;
}

/* ---------- Röhre (Signature-Element) ---------- */
.tube {
  width: clamp(72px, 18vw, 120px);
  height: auto;
  margin-bottom: clamp(18px, 4vh, 34px);
  filter: drop-shadow(0 0 18px var(--glow-soft));
  animation: warmup 3.5s ease-in-out infinite alternate;
}

@keyframes warmup {
  0%   { filter: drop-shadow(0 0 10px rgba(255,154,66,0.25)); }
  100% { filter: drop-shadow(0 0 26px rgba(255,154,66,0.55)); }
}

.tube .filament {
  animation: flicker 2.6s ease-in-out infinite;
  transform-origin: center;
}

@keyframes flicker {
  0%, 100% { opacity: 0.75; }
  45% { opacity: 1; }
  50% { opacity: 0.6; }
  55% { opacity: 1; }
}

/* ---------- Messing-Schild / Plakette ---------- */
.plaque {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: clamp(20px, 4vh, 40px) clamp(18px, 6vw, 48px);
  max-width: 620px;
  background: linear-gradient(180deg, rgba(233,193,91,0.05), rgba(0,0,0,0) 40%);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.4), 0 20px 60px -30px rgba(0,0,0,0.8);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: clamp(10px, 2.2vw, 12px);
  letter-spacing: 0.32em;
  color: var(--muted);
  text-transform: uppercase;
  margin: 0 0 10px;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 11vw, 5.2rem);
  letter-spacing: 0.04em;
  line-height: 0.95;
  margin: 0;
  color: var(--brass-bright);
  text-shadow:
    0 1px 0 rgba(0,0,0,0.6),
    0 0 24px rgba(233,193,91,0.25);
}

.rule {
  width: 64px;
  height: 2px;
  margin: clamp(14px, 3vh, 22px) auto;
  background: linear-gradient(90deg, transparent, var(--brass), transparent);
}

.lead {
  font-size: clamp(1rem, 3.6vw, 1.15rem);
  color: var(--cream);
  max-width: 46ch;
  margin: 0 auto;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(22px, 4vh, 32px);
  font-family: var(--font-mono);
  font-size: clamp(11px, 3vw, 13px);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--glow);
}

.status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--glow);
  box-shadow: 0 0 10px 2px var(--glow-soft);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* ---------- Footer / Link zu Impressum ---------- */
footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(28px, 6vh, 48px);
}

.imp-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.imp-link:hover,
.imp-link:focus-visible {
  color: var(--brass-bright);
  border-color: var(--brass);
}

.imp-link:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 4px;
}

/* ---------- Impressum-Seite ---------- */
.imp-body {
  font-size: clamp(0.95rem, 3.4vw, 1.05rem);
  color: var(--cream);
  text-align: left;
  margin: clamp(16px, 3vh, 24px) auto 0;
  max-width: 44ch;
}

.imp-body p { margin: 0 0 0.6em; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: clamp(24px, 5vh, 36px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--glow);
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--brass-bright);
}

.back-link:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .tube, .tube .filament, .status .dot {
    animation: none !important;
  }
}

@media (max-width: 380px) {
  .plaque { padding: 20px 16px; }
}