/* ══════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  font-family: var(--sans);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 1rem 2.4rem;
  border-radius: 100px;
  border: 1.5px solid transparent;
  cursor: none;
  transition: all .32s var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

@media (hover: none) { .btn { cursor: pointer; } }

/* Shimmer effect on hover */
.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.25), transparent);
  transition: left .5s ease;
}
.btn:hover::before { left: 140%; }

/* ── Variantes ── */
.btn-primary {
  background: linear-gradient(135deg, var(--rose), var(--coral));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(232, 86, 122, .4);
}
.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(232, 86, 122, .55);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}
.btn-dark:hover {
  background: var(--ink-70);
  box-shadow: 0 8px 26px rgba(26,15,14,.22);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(255,255,255,.32);
  color: var(--ink);
  border-color: rgba(232,86,122,.25);
  backdrop-filter: blur(10px);
}
.btn-glass:hover {
  background: rgba(255,255,255,.55);
  border-color: var(--rose);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.65);
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,.13);
}
.btn-white:hover {
  background: var(--rose-pale);
  border-color: var(--rose-pale);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232,86,122,.2);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: rgba(26,15,14,.18);
}
.btn-outline:hover {
  border-color: var(--rose);
  color: var(--rose);
  transform: translateY(-2px);
}