:root {
  --bg: #000;
  --primary: #ff1b1b;
  --text: #fff;
  --muted: #999;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Poppins", sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
  height: 100vh;
}

/* Fondo animado */
.background {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(255, 0, 0, 0.15), transparent 60%),
              radial-gradient(circle at 70% 80%, rgba(255, 0, 0, 0.1), transparent 60%);
  animation: pulse 6s ease-in-out infinite alternate;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.9; }
  100% { transform: scale(1.1); opacity: 1; }
}

.content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

h1 {
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 1px;
}
h1 span {
  color: var(--primary);
  text-shadow: 0 0 10px rgba(255,0,0,0.6);
}

.subtitle {
  margin-top: 10px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  animation: fadeIn 2s ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cuenta regresiva */
.countdown {
  display: flex;
  gap: 20px;
  margin: 30px 0;
}
.unit {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 15px 25px;
  backdrop-filter: blur(5px);
}
.unit span {
  display: block;
  font-size: 2rem;
  color: var(--primary);
  font-weight: 700;
}
.unit small {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Botones redes */
.social {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn {
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  text-transform: uppercase;
}
.btn.insta {
  background: linear-gradient(45deg, #ff1b1b, #ff6b6b);
  color: #fff;
}
.btn.tiktok {
  background: #000;
  color: #fff;
  border: 2px solid var(--primary);
}
.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px rgba(255,0,0,0.5);
}

footer {
  position: absolute;
  bottom: 10px;
  text-align: center;
  width: 100%;
  font-size: 0.9rem;
  color: var(--muted);
}