:root {
  --bg: #0b0b0f;
  --fg: #f4f4f6;
  --muted: #8b8b98;
  --accent: #7c5cff;
  --accent-2: #00d4ff;
  --line: rgba(255, 255, 255, 0.06);
}

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

html,
body {
  height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  position: relative;
}

/* Fondo */
.grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
  pointer-events: none;
}

.glow {
  position: fixed;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  animation: float 14s ease-in-out infinite;
}

.glow--a {
  background: var(--accent);
  top: -160px;
  left: -120px;
}

.glow--b {
  background: var(--accent-2);
  bottom: -180px;
  right: -140px;
  animation-delay: -7s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.1); }
}

/* Contenido */
.hero {
  position: relative;
  z-index: 1;
  max-width: 720px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  animation: enter 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes enter {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3ddc84;
  box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.6); }
  70% { box-shadow: 0 0 0 10px rgba(61, 220, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}

.title {
  font-size: clamp(2.6rem, 10vw, 6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  padding: 0 0.05em;
  background: linear-gradient(120deg, #ffffff 0%, #c9c2ff 45%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dots span {
  display: inline-block;
  color: var(--accent-2);
  animation: blink 1.6s infinite both;
}

.dots span:nth-child(2) { animation-delay: 0.2s; }
.dots span:nth-child(3) { animation-delay: 0.4s; }
.dots span:nth-child(4) { animation-delay: 0.6s; }

@keyframes blink {
  0%, 80%, 100% { opacity: 0.15; }
  40% { opacity: 1; }
}

.subtitle {
  max-width: 460px;
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  font-weight: 300;
  line-height: 1.6;
  color: var(--muted);
}

.progress {
  width: min(320px, 80vw);
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress__bar {
  width: 68%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
  from { background-position: 0% 0; }
  to { background-position: -200% 0; }
}

.footer {
  position: absolute;
  bottom: 24px;
  z-index: 1;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
  }
}