/* =========================================================
   ESTILO FUTURISTA CYBERPUNK-DEPORTIVO
   Paleta: Negro, Amarillo Neón, Rojo, Blanco
   ========================================================= */

:root {
  --color-negro: #0a0a0a;
  --color-amarillo: #f3ad10;
  --color-rojo: #f04624;
  --color-blanco: #ffffff;
  --color-gris: #1a1a1a;
  --color-texto: #e0e0e0;

  /* Efectos */
  --sombra-neon: 0 0 15px var(--color-amarillo);
  --transicion: all 0.3s ease;
}

/* ======= BODY ======= */
body {
  margin: 0;
  font-family: "Orbitron", "Segoe UI", Roboto, sans-serif;
  background-color: var(--color-negro);
  color: var(--color-texto);
  overflow-x: hidden;
}

/* ======= HEADER ======= */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 50px;
  background: linear-gradient(90deg, var(--color-negro) 0%, var(--color-rojo) 40%, var(--color-amarillo) 100%);
  border-bottom: 3px solid var(--color-amarillo);
  box-shadow: 0 0 25px rgba(243, 173, 16, 0.3);
}

header img {
  height: 60px;
  filter: drop-shadow(0 0 8px var(--color-amarillo));
}

nav a {
  margin-left: 25px;
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-blanco);
  letter-spacing: 1px;
  transition: var(--transicion);
  position: relative;
}

nav a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-amarillo);
  transition: width 0.3s ease;
}

nav a:hover {
  color: var(--color-amarillo);
  text-shadow: var(--sombra-neon);
}

nav a:hover::after {
  width: 100%;
}

/* ======= HERO ======= */
.hero {
  position: relative;
  width: 100%;
  height: 500px;
  background-image: url("../images/pista.jpg");
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  border-bottom: 3px solid var(--color-amarillo);
}

.hero::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(10, 10, 10, 0.2));
  backdrop-filter: brightness(0.9);
}

.hero h1 {
  position: relative;
  color: var(--color-amarillo);
  font-size: 3em;
  text-transform: uppercase;
  text-shadow: 0 0 15px var(--color-rojo), 0 0 25px var(--color-amarillo);
  letter-spacing: 3px;
  animation: glowPulse 2s infinite alternate;
}

@keyframes glowPulse {
  from {
    text-shadow: 0 0 10px var(--color-rojo), 0 0 20px var(--color-amarillo);
  }
  to {
    text-shadow: 0 0 25px var(--color-rojo), 0 0 40px var(--color-amarillo);
  }
}

/* ======= SECCIÓN DE CONTENIDO ======= */
.content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 50px;
  background-color: var(--color-gris);
}

.card {
  display: flex;
  align-items: center;
  background: linear-gradient(145deg, #111111, #1c1c1c);
  border-radius: 14px;
  box-shadow: 0 0 15px rgba(240, 70, 36, 0.3);
  overflow: hidden;
  transition: var(--transicion);
  border: 1px solid var(--color-amarillo);
}

.card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 0 25px rgba(243, 173, 16, 0.6);
}

.card img {
  width: 45%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9);
}

.card-text {
  padding: 20px;
  color: var(--color-texto);
}

.card-text h3 {
  color: var(--color-amarillo);
  margin-top: 0;
  text-shadow: 0 0 5px var(--color-rojo);
}

.card-text p {
  color: var(--color-blanco);
  font-size: 0.95em;
}

/* ======= FOOTER ======= */
footer {
  text-align: center;
  padding: 20px;
  background: linear-gradient(90deg, var(--color-negro), var(--color-gris));
  color: var(--color-blanco);
  border-top: 2px solid var(--color-amarillo);
  font-size: 0.9em;
  letter-spacing: 1px;
  box-shadow: 0 -5px 20px rgba(240, 70, 36, 0.3);
}

footer span {
  color: var(--color-amarillo);
}