:root {
  --color: #000000;
  --hover: #005eff; /* azul más fuerte y vivo */
  --bg-color: rgba(255, 255, 255, 0.85);
  --border-radius: 999px;
  --transition-speed: 0.25s;
}

.button-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
}

/* =========================
   BOTÓN BASE APPLE
   ========================= */

button {
  color: var(--color);
  background: var(--bg-color);

  border: 1px solid rgba(60, 60, 67, 0.18);

  border-radius: var(--border-radius);

  line-height: 1;

  padding: 0.9em 1.6em;

  cursor: pointer;

  font-size: 0.95rem;
  font-weight: 500;

  text-transform: none;

  transition: all var(--transition-speed) ease;

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

/* =========================
   HOVER APPLE (AZUL MÁS FUERTE)
   ========================= */

button:hover,
button:focus {
  background: rgba(0, 94, 255, 0.25); /* más intenso */
  color: #005eff;

  transform: translateY(-1px);

  border-color: rgba(0, 94, 255, 0.55);

  box-shadow:
    0 10px 22px rgba(0, 94, 255, 0.30),
    0 4px 10px rgba(0, 94, 255, 0.18);
}

/* =========================
   VARIANTES
   ========================= */

.fill:hover,
.fill:focus {
  box-shadow: inset 0 0 0 2em rgba(0, 94, 255, 0.20);
}

.pulse:hover {
  animation: pulse 1.2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 94, 255, 0.50);
  }
  100% {
    box-shadow: 0 0 0 14px rgba(0, 94, 255, 0);
  }
}

.close:hover,
.close:focus {
  box-shadow: inset -3em 0 0 0 rgba(0, 94, 255, 0.18),
              inset 3em 0 0 0 rgba(0, 94, 255, 0.18);
}

.raise:hover,
.raise:focus {
  box-shadow:
    0 12px 26px rgba(0, 94, 255, 0.28),
    0 5px 12px rgba(0, 94, 255, 0.18);
  transform: translateY(-2px);
}

.up:hover,
.up:focus {
  box-shadow: inset 0 -3em 0 0 rgba(0, 94, 255, 0.16);
}

.slide:hover,
.slide:focus {
  box-shadow: inset 8em 0 0 0 rgba(0, 94, 255, 0.16);
}

.offset {
  box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.12),
              inset 2px 2px 0 0 rgba(0, 0, 0, 0.08);
}

.offset:hover,
.offset:focus {
  box-shadow:
    0 0 0 0 rgba(0, 94, 255, 0.18),
    inset 6em 3em 0 0 rgba(0, 94, 255, 0.16);
}

/* =========================
   TIPOGRAFÍA
   ========================= */

h1 {
  font-weight: 400;
}

code {
  font: inherit;
}