:root {
  --bg-void: #05070a;
  --bg-panel: #0a0f16;
  --bg-panel-alt: #0e1520;
  --phosphor: #00ff66;
  --phosphor-soft: rgba(0, 255, 102, 0.65);
  --phosphor-dim: rgba(0, 255, 102, 0.16);
  --amber: #ffb000;
  --amber-dim: rgba(255, 176, 0, 0.18);
  --starlight: #dce4ee;
  --muted: #7a8b9e;
  --font-display: 'Orbitron', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-void);
  color: var(--starlight);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.65;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 15%, rgba(0, 255, 102, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(255, 176, 0, 0.04) 0%, transparent 40%),
    var(--bg-void);
  overflow-x: hidden;
  position: relative;
}

/* Capa CRT Scanlines y viñeta sutil */
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background:
    linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.28) 50%),
    radial-gradient(circle at center, transparent 62%, rgba(0, 0, 0, 0.65) 100%);
  background-size: 100% 4px, 100% 100%;
}

/* Barra superior de telemetría y navegación */
.hud-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 7, 10, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--phosphor-dim);
  padding: 0.85rem 5vw;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.status-dot {
  width: 9px;
  height: 9px;
  background: var(--phosphor);
  box-shadow: 0 0 10px var(--phosphor);
  animation: pulse 2.2s infinite ease-in-out;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.18em;
  color: var(--starlight);
}

.brand-title span {
  color: var(--phosphor);
}

.hud-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hud-nav a {
  color: var(--starlight);
  text-decoration: none;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s, text-shadow 0.2s;
}

.hud-nav a:hover {
  color: var(--phosphor);
  text-shadow: 0 0 8px var(--phosphor-soft);
}

.lang-switch {
  display: flex;
  border: 1px solid var(--phosphor-dim);
  background: var(--bg-panel);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  transition: all 0.2s;
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--phosphor);
  color: var(--bg-void);
  font-weight: 700;
}

/* Contenedor principal */
main {
  max-width: 1140px;
  margin: 0 auto;
  padding: 2.5rem 5vw 5rem;
  display: flex;
  flex-direction: column;
  gap: 4.5rem;
}

/* Módulos estilo terminal espacial con esquinas recortadas */
.hud-panel {
  background: var(--bg-panel);
  border: 1px solid var(--phosphor-dim);
  padding: 2rem;
  position: relative;
  clip-path: polygon(
    0 14px,
    14px 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% calc(100% - 14px),
    calc(100% - 14px) 100%,
    14px 100%,
    0 calc(100% - 14px)
  );
}

.hud-panel::before {
  content: attr(data-telemetry);
  display: block;
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.14em;
  margin-bottom: 1.25rem;
  border-bottom: 1px dashed var(--amber-dim);
  padding-bottom: 0.45rem;
}

/* Sección Hero + Canvas Voronoi / Shiffman */
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.hero-kicker {
  color: var(--phosphor);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  color: #ffffff;
}

h1 span {
  color: var(--phosphor);
  text-shadow: 0 0 18px rgba(0, 255, 102, 0.35);
}

.hero-desc {
  color: var(--starlight);
  margin-bottom: 1.8rem;
  max-width: 54ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-terminal {
  display: inline-block;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--phosphor);
  color: var(--bg-void);
  background: var(--phosphor);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-terminal:hover {
  background: transparent;
  color: var(--phosphor);
  box-shadow: 0 0 15px var(--phosphor-dim);
}

.btn-terminal.secondary {
  background: transparent;
  color: var(--amber);
  border-color: var(--amber);
}

.btn-terminal.secondary:hover {
  background: var(--amber);
  color: var(--bg-void);
}

.canvas-frame {
  border: 1px solid var(--phosphor-dim);
  background: #030508;
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  overflow: hidden;
}

#cosmos-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.canvas-caption {
  position: absolute;
  bottom: 0.5rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--phosphor-soft);
  pointer-events: none;
}

/* Encabezados de sección */
h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--phosphor);
  margin-bottom: 1.25rem;
}

/* Biografía */
.bio-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.bio-specs {
  background: var(--bg-panel-alt);
  border-left: 2px solid var(--amber);
  padding: 1.25rem;
  font-size: 0.85rem;
}

.bio-specs li {
  list-style: none;
  margin-bottom: 0.75rem;
}

.bio-specs strong {
  color: var(--amber);
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Diario de un artista + Simulador Dither */
.diario-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.75rem;
  background: var(--bg-panel-alt);
  border: 1px solid var(--phosphor-dim);
  padding: 1.25rem;
}

.dither-viewport {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--phosphor);
  aspect-ratio: 4 / 3;
  background: #020406;
}

/* Generación visual pura con CSS + filtro Dither retro */
.dither-artwork {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 38% 42%, #ffffff 0%, #ffb000 18%, #00ff66 36%, #0b192c 64%, #020406 85%),
    repeating-conic-gradient(from 0deg at 38% 42%, rgba(255,255,255,0.18) 0deg 4deg, transparent 4deg 12deg);
  transition: filter 0.35s ease;
}

.dither-viewport.dither-active .dither-artwork {
  filter: grayscale(100%) contrast(260%) brightness(95%);
}

/* Matriz de tramado Bayer simulada sobre la imagen */
.dither-viewport.dither-active::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--bg-void) 1.15px, transparent 1.15px);
  background-size: 3px 3px;
  background-color: rgba(0, 255, 102, 0.22);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.dither-toggle {
  margin-top: 0.65rem;
  width: 100%;
  background: var(--bg-void);
  border: 1px solid var(--phosphor);
  color: var(--phosphor);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.45rem;
  cursor: pointer;
  letter-spacing: 0.08em;
}

.dither-toggle:hover {
  background: var(--phosphor-dim);
}

.diario-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--amber);
  margin-bottom: 0.75rem;
}

.badge-uncensored {
  border: 1px solid var(--phosphor);
  color: var(--phosphor);
  padding: 0.05rem 0.45rem;
  font-size: 0.68rem;
}

/* Formulario de contacto */
.contact-form {
  display: grid;
  gap: 1rem;
  max-width: 640px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-group label {
  font-size: 0.75rem;
  color: var(--phosphor);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field-group input,
.field-group textarea {
  background: #030508;
  border: 1px solid var(--phosphor-dim);
  color: var(--starlight);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.75rem;
  outline: none;
}

.field-group input:focus,
.field-group textarea:focus {
  border-color: var(--phosphor);
  box-shadow: 0 0 10px var(--phosphor-dim);
}

.cursor-blink::after {
  content: "█";
  animation: blink 1s steps(2, start) infinite;
  color: var(--phosphor);
  margin-left: 4px;
}

/* Pie de página */
.hud-footer {
  border-top: 1px solid var(--phosphor-dim);
  padding: 1.75rem 5vw;
  font-size: 0.76rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes blink {
  to { visibility: hidden; }
}

@media (max-width: 860px) {
  .hero-grid,
  .bio-grid,
  .diario-card {
    grid-template-columns: 1fr;
  }
}