:root {
  --bg: #05010f;
  --bg-2: #0a0320;
  --cyan: #00f0ff;
  --magenta: #ff2bd6;
  --violet: #9b5cff;
  --ink: #e8e6ff;
  --muted: #7d7aa8;
}

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

html { scroll-behavior: smooth; }

body {
  background: radial-gradient(120% 80% at 50% -10%, var(--bg-2) 0%, var(--bg) 60%);
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

#field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

main { position: relative; z-index: 1; }

/* ---------- HUD ---------- */
.hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem clamp(1rem, 4vw, 3rem);
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--muted);
  mix-blend-mode: screen;
  pointer-events: none;
}
.hud__mark { color: var(--cyan); }

/* ---------- HERO ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  gap: 1.6rem;
  perspective: 800px;
}

.hero__kicker {
  font-size: clamp(0.65rem, 2vw, 0.8rem);
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
}

.glitch {
  font-family: "Syncopate", sans-serif;
  font-weight: 700;
  font-size: clamp(2.8rem, 14vw, 9.5rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  position: relative;
  color: var(--ink);
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.12s ease-out;
  text-shadow:
    0 0 8px rgba(0, 240, 255, 0.5),
    0 0 30px rgba(155, 92, 255, 0.35);
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  white-space: pre;
  clip-path: inset(0 0 0 0);
}
.glitch::before {
  color: var(--magenta);
  transform: translate(-2px, 0);
  mix-blend-mode: screen;
  animation: glitch-x 3.4s infinite steps(2, end);
}
.glitch::after {
  color: var(--cyan);
  transform: translate(2px, 0);
  mix-blend-mode: screen;
  animation: glitch-x 2.6s infinite reverse steps(2, end);
}
@keyframes glitch-x {
  0%, 92%, 100% { transform: translate(0, 0); clip-path: inset(0 0 0 0); }
  93% { transform: translate(-4px, 1px); clip-path: inset(20% 0 50% 0); }
  95% { transform: translate(5px, -1px); clip-path: inset(60% 0 10% 0); }
  97% { transform: translate(-3px, 0); clip-path: inset(35% 0 35% 0); }
}

.hero__sub {
  max-width: 38ch;
  color: var(--muted);
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  line-height: 1.6;
}

.audio-toggle {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(155, 92, 255, 0.08);
  border: 1px solid rgba(155, 92, 255, 0.4);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.audio-toggle:hover { border-color: var(--violet); box-shadow: 0 0 24px rgba(155, 92, 255, 0.4); }
.audio-toggle[aria-pressed="true"] {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan);
  box-shadow: 0 0 28px rgba(0, 240, 255, 0.45);
}
.audio-toggle__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--muted);
  transition: background 0.3s, box-shadow 0.3s;
}
.audio-toggle[aria-pressed="true"] .audio-toggle__dot {
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 1.1s infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }

/* ---------- PANELS ---------- */
.panel {
  min-height: 80svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 620px;
  margin: 0 auto;
  padding: 4rem clamp(1.5rem, 6vw, 4rem);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.panel.in { opacity: 1; transform: none; }
.panel__num {
  font-family: "Syncopate", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  color: var(--muted);
  margin-bottom: 1.2rem;
}
.panel h2 {
  font-family: "Syncopate", sans-serif;
  font-size: clamp(1.8rem, 6vw, 3.4rem);
  line-height: 1.05;
  margin-bottom: 1.4rem;
}
.panel p {
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  line-height: 1.7;
  max-width: 46ch;
}
.panel[data-glow="cyan"] h2 { color: #fff; text-shadow: 0 0 26px var(--cyan); }
.panel[data-glow="magenta"] h2 { color: #fff; text-shadow: 0 0 26px var(--magenta); }
.panel[data-glow="violet"] h2 { color: #fff; text-shadow: 0 0 26px var(--violet); }

/* ---------- GRID FLOOR ---------- */
.grid-floor {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 18vh 1.5rem 0;
  overflow: hidden;
}
.grid-floor::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 240vw;
  height: 60vh;
  transform: translateX(-50%) perspective(40vh) rotateX(68deg);
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 43, 214, 0.4) 1px, transparent 1px);
  background-size: 4vw 4vw;
  mask-image: linear-gradient(to top, #000 0%, transparent 75%);
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 75%);
  animation: floor 12s linear infinite;
}
@keyframes floor { to { background-position: 0 4vw, 0 0; } }
.grid-floor__title {
  font-family: "Syncopate", sans-serif;
  font-size: clamp(1.6rem, 7vw, 4rem);
  text-shadow: 0 0 30px var(--violet);
  position: relative;
  z-index: 1;
}
.grid-floor__credit {
  margin-top: 1.2rem;
  color: var(--muted);
  letter-spacing: 0.3em;
  font-size: 0.72rem;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

/* ---------- CRT-LAAG: vignette + scanlines ---------- */
body::before {
  /* vignette: donkere randen, transparant midden */
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(120% 100% at 50% 50%, transparent 55%, rgba(2, 0, 8, 0.85) 100%);
}
body::after {
  /* fijne scanlines + lichte flicker */
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.035) 0px,
    rgba(255, 255, 255, 0.035) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  animation: flicker 4s infinite steps(60);
}
@keyframes flicker {
  0%, 100% { opacity: 0.5; }
  48% { opacity: 0.42; }
  50% { opacity: 0.62; }
  52% { opacity: 0.46; }
}

@media (prefers-reduced-motion: reduce) {
  body::after { animation: none; }
  .glitch::before, .glitch::after, .grid-floor::after, .audio-toggle__dot { animation: none; }
  html { scroll-behavior: auto; }
  .panel { opacity: 1; transform: none; transition: none; }
}