/* Reset y base accesible */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Space Grotesk', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: #eaf0ff;
  background: radial-gradient(1200px 800px at 20% 20%, #ff6b6b33, transparent 60%),
              radial-gradient(1000px 700px at 80% 30%, #ffd16633, transparent 60%),
              radial-gradient(900px 700px at 50% 80%, #06d6a033, transparent 60%),
              linear-gradient(180deg, #0b0e14 0%, #0b0d15 100%);
  background-attachment: fixed;
}

.scene {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.glow {
  position: absolute;
  inset: -20vmax;
  background: conic-gradient(from 90deg at 50% 50%, #ff6b6b, #ffd166, #06d6a0, #ff6b6b);
  filter: blur(80px) saturate(140%);
  opacity: .18;
  animation: spin 18s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.card {
  position: relative;
  padding: clamp(1.25rem, 2.5vw + .75rem, 2.5rem) clamp(1.5rem, 3vw + 1rem, 3rem);
  border-radius: 18px;
  background: linear-gradient(180deg, #121826cc, #0e1422cc);
  border: 1px solid #ff9f6a33;
  box-shadow:
    0 10px 30px -10px #0008,
    inset 0 1px 0 #ffffff22,
    inset 0 0 40px #ff9f6a11;
  backdrop-filter: blur(12px) saturate(120%);
}

.headline {
  margin: 0;
  line-height: 1.1;
  text-align: center;
  font-size: clamp(1.8rem, 4vw + .5rem, 4rem);
  letter-spacing: -0.02em;
}

.headline .muted {
  display: block;
  color: #c9d1ffcc;
  font-weight: 500;
}

.headline .brand {
  display: inline-block;
  margin-top: .2em;
  font-weight: 700;
  background: linear-gradient(90deg, #ffd166, #ff9f6a, #ff6b6b, #ffd166);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 20px #ff9f6a22;
}

.icon {
  display: block;
  margin: 0 auto 1rem auto;
  filter: drop-shadow(0 6px 24px #0006);
}

.subtext {
  margin: .75rem 0 0 0;
  text-align: center;
  color: #e9eefcbb;
  font-size: clamp(.95rem, 1.4vw + .6rem, 1.25rem);
}

/* Modo oscuro/alto contraste preferido del usuario */
@media (prefers-contrast: more) {
  .card { border-color: #9aa4ff66; }
  .headline .brand { text-shadow: none; }
}

/* Reduce motion si el usuario lo prefiere */
@media (prefers-reduced-motion: reduce) {
  .glow { animation: none; }
}