* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: #000;
  color: #fff;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100svh;
  overflow: hidden;
}
.grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, #000 30%, transparent 100%);
  pointer-events: none;
}
.glow {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 60vmax;
  height: 60vmax;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 100%;
  padding: 0 1rem;
}
/* Estado final visible por defecto: sin animación el contenido se ve igual. */
h1 {
  font-size: clamp(1.125rem, 6vw, 5.5rem);
  font-weight: 200;
  line-height: 1.2;
  letter-spacing: 0.35em;
  margin-right: -0.35em;
  text-align: center;
  white-space: nowrap;
}
.line {
  margin-top: 2.5rem;
  width: min(60vw, 480px);
  height: 1px;
  background: linear-gradient(90deg, transparent, #fff, transparent);
}
@media (prefers-reduced-motion: no-preference) {
  h1 { animation: reveal 1.6s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both; }
  .line { animation: line 1.4s ease-out 1s both; }
}
/* opacity .01 (no 0): el texto se pinta desde el primer frame y cuenta para FCP/LCP. */
@keyframes reveal {
  from { opacity: 0.01; transform: translateY(24px); filter: blur(8px); }
  to   { opacity: 1; transform: none;             filter: none; }
}
@keyframes line { from { width: 0; } }