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

:root {
  --fondo: #0b0b0f;
  --panel: #12121a;
  --texto: #e9e9ee;
  --muted: #b7b7c5;
  --rojo: #e11d48;
  --rojo-2: #ff2d55;
  --borde: rgba(255, 255, 255, 0.12);
  --sombra: 0 10px 30px rgba(0, 0, 0, 0.45);
  --radio: 16px;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(900px 400px at 30% 0%, rgba(225, 29, 72, 0.18), transparent 60%),
              radial-gradient(900px 400px at 90% 10%, rgba(255, 45, 85, 0.12), transparent 60%),
              var(--fondo);
  color: var(--texto);
  min-height: 100vh;
}

/* pagina principal */

.pagina {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 290px 1fr;
  grid-template-rows: 1fr auto;
  grid-template-areas:
    "menu contenido"
    "menu pie";
}

.menu {
  grid-area: menu;
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(180deg, rgba(18, 18, 26, 0.95), rgba(18, 18, 26, 0.78));
  border-right: 1px solid var(--borde);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contenido {
  grid-area: contenido;
  padding: 28px;
}

.pie {
  grid-area: pie;
  background: rgba(18, 18, 26, 0.8);
  border-top: 1px solid var(--borde);
  padding: 20px 28px;
  display: grid;           
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 18px;
}

/* Lateral con flexblox */

.menu__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  background: rgba(0, 0, 0, 0.18);
  animation: brillo-logo 3.2s ease-in-out infinite alternate;
}

.menu__logo-icono {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(225, 29, 72, 0.15);
  border: 1px solid rgba(225, 29, 72, 0.35);
}

.menu__logo-titulo {
  display: block;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.menu__logo-subtitulo {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.menu__nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.menu__link {
  text-decoration: none;
  color: var(--texto);
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.04);
  transition: background-color 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.menu__link:hover {
  background: rgba(225, 29, 72, 0.14);
  border-color: rgba(225, 29, 72, 0.35);
  transform: translateX(4px);
}

.menu__badge {
  margin-top: auto;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px dashed rgba(255, 45, 85, 0.35);
  border-radius: var(--radio);
  color: var(--muted);
  font-size: 13px;
}

.menu__badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--rojo);
  box-shadow: 0 0 14px rgba(225, 29, 72, 0.65);
  animation: pulso 1.6s ease-in-out infinite;
}

/* Encabezado  */
.encabezado {
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: rgba(255, 255, 255, 0.03);
}

.encabezado__titulo {
  font-size: 34px;
  letter-spacing: 0.3px;
}

.encabezado__texto {
  margin-top: 8px;
  color: var(--muted);
}

/* Galeria  */

.galeria {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 18px;
}

.tarjeta {
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--sombra);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.tarjeta:hover {
  transform: translateY(-6px);
  border-color: rgba(225, 29, 72, 0.45);
}

.tarjeta__imagen {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
  filter: grayscale(100%) contrast(1.05) brightness(0.92);
  transition: filter 0.35s ease, transform 0.35s ease;
}

.tarjeta:hover .tarjeta__imagen {
  filter: grayscale(0%) contrast(1.05) brightness(1);
  transform: scale(1.03) rotate(-0.4deg);
}

.tarjeta__nombre {
  padding: 12px 12px 14px 12px;
  font-size: 16px;
  letter-spacing: 0.2px;
}
.bloque {
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: rgba(0, 0, 0, 0.14);
}

.bloque__titulo {
  margin-bottom: 6px;
}

.bloque__texto {
  color: var(--muted);
}

/* Footer */

.pie__titulo {
  font-size: 14px;
  letter-spacing: 0.3px;
  margin-bottom: 8px;
  color: var(--texto);
}

.pie__texto {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.pie__redes {
  display: flex;
  gap: 10px;
  align-items: center;
}

.pie__red {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  border: 1px solid var(--borde);
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.pie__red img {
  width: 78%;
  height: 78%;
  object-fit: cover;
  display: block;
  border-radius: 10px;
}

.pie__red:hover {
  transform: translateY(-3px);
  background: rgba(225, 29, 72, 0.14);
  border-color: rgba(225, 29, 72, 0.35);
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
}

.pie__red:hover img {
  filter: brightness(1.1);
}

.pie__col--marca {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.pie__marca {
  color: var(--muted);
  font-size: 13px;
}

.pie__chip {
  width: fit-content;
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(225, 29, 72, 0.35);
  background: rgba(225, 29, 72, 0.10);
  color: var(--texto);
}

/* Animaciones */

@keyframes pulso {
  0%   { transform: scale(1);   opacity: 0.9; }
  50%  { transform: scale(1.25); opacity: 1; }
  100% { transform: scale(1);   opacity: 0.9; }
}

@keyframes brillo-logo {
  0%   { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45); }
  100% { box-shadow: 0 10px 34px rgba(225, 29, 72, 0.22); }
}

/* Media queries */

@media (max-width: 1024px) {
  .galeria {
    grid-template-columns: repeat(3, minmax(180px, 1fr));
  }

  .pie {
    grid-template-columns: 1fr 1fr;
  }

  .pie__col--marca {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  /* Traslado menu hacia arriba en movil */
  .pagina {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
      "menu"
      "contenido"
      "pie";
  }

  .menu {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--borde);
  }

  .menu__nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .menu__link:hover {
    transform: translateY(-2px);
  }

  .contenido {
    padding: 18px;
  }

  .galeria {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }

  .tarjeta__imagen {
    height: 190px;
  }

  .pie {
    grid-template-columns: 1fr;
  }
}