/* ═══════════════════════════════════════════════════════════════════
   ASTRO 360 v2 — buttons.css
   Botões orgânicos refinados (B + C)
   ═══════════════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center; justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: var(--r-pill);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  transition: var(--tr-base);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-bright) 100%);
  color: var(--lilas-deep);
  box-shadow:
    0 4px 20px rgba(201, 164, 73, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-mist));
  opacity: 0;
  transition: opacity var(--tr-base);
}
.btn-primary > * { position: relative; z-index: 1; }
.btn-primary span { position: relative; z-index: 1; }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 36px rgba(232, 198, 104, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary .arr { transition: transform var(--tr-fast); position: relative; z-index: 2; }
.btn-primary:hover .arr { transform: translateX(4px); }

.btn-secondary {
  background: var(--glass-bg);
  color: var(--white);
  border: 1px solid var(--glass-border-hi);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.btn-secondary:hover {
  background: var(--glass-bg-hi);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: var(--glow-gold);
}

.btn-ghost {
  background: transparent;
  color: var(--gold-bright);
  padding: 10px 22px;
  font-size: 0.85rem;
  border: 1px solid transparent;
}
.btn-ghost:hover {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: var(--gold-mist);
}

@media (max-width: 600px) {
  .btn { padding: 13px 24px; font-size: 0.86rem; }
}