/* 
   Versão: 2.2.1 - BTOS Premium Button System (DNA Edition)
   Status: ESTABILIZADO - Contraste e Acessibilidade Aprimorados
   Objetivo: Interação de alta performance e feedback visual refinado.
*/

/* ==========================================================================
   1. BOTÃO PRIMÁRIO (BTOS Primary) - O "Call to Action" Principal
   ========================================================================== */
.btn-btos-primary {
  cursor: pointer;

  position: relative;

  overflow: hidden;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;

  padding: 0.9rem 2.2rem;

  /* Borda Orgânica e Premium */
  border: 2px solid rgb(255 255 255 / 20%);
  border-radius: 20px;

  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-white) !important;
  text-decoration: none;
  white-space: nowrap;

  /* Gradiente Profundo BTOS - Foco em Contraste */
  background: linear-gradient(135deg, var(--color-primary-bs) 0%, #0a248a 100%);
  outline: none;
  box-shadow: var(--shadow-dna-md);

  transition: var(--btn-transition-premium);
}

/* Sky Highlight (Brilho fixo no topo para profundidade) */
.btn-btos-primary::before {
  content: "";

  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;

  height: 1px;

  background: linear-gradient(
    to right,
    transparent,
    rgb(255 255 255 / 30%),
    transparent
  );
}

/* Shine Effect (Raio de luz animado no hover) */
.btn-btos-primary::after {
  content: "";

  position: absolute;
  top: 0;
  left: -150%;

  width: 100%;
  height: 100%;

  background: linear-gradient(
    120deg,
    transparent,
    rgb(255 255 255 / 15%),
    transparent
  );

  transition: all 0.6s ease;
}

/* Estados do Botão Primário */
.btn-btos-primary:hover {
  transform: translateY(-3px);
  border-color: rgb(255 255 255 / 40%);
  background: linear-gradient(
    135deg,
    var(--color-primary-darker) 0%,
    #1332bc 100%
  );
  box-shadow: var(--shadow-hover);
}

.btn-btos-primary:hover::after {
  left: 150%;
  transition: all 0.7s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-btos-primary:active {
  transform: translateY(-1px) scale(0.98);
  filter: brightness(0.9);
  box-shadow: var(--shadow-dna-sm);
}

/* ==========================================================================
   2. BOTÃO SECUNDÁRIO (BTOS Outline) - Ações de Apoio
   ========================================================================== */
.btn-btos-secondary {
  cursor: pointer;

  position: relative;

  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;

  padding: 0.85rem 2.1rem;
  border: 2px solid var(--color-primary-bs);
  border-radius: 20px;

  font-weight: 700;
  color: var(--color-primary-bs) !important;
  text-decoration: none;
  white-space: nowrap;

  background: #fff;

  transition: var(--btn-transition-premium);
}

.btn-btos-secondary:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary-bs-darker);
  background: var(--color-bg-subtle-blue);
  box-shadow: var(--shadow-dna-sm);
}

.btn-btos-secondary:active {
  transform: translateY(0) scale(0.98);
  background: rgb(19 50 188 / 10%);
}

/* ==========================================================================
   3. VARIANTES DE TAMANHO (Sincronizadas com o Grid)
   ========================================================================== */

/* Pequeno (Ações Rápidas / Tabelas / Footer de Modais) */
.btn-sm {
  padding: 0.5rem 1.2rem !important;
  border-radius: 12px !important;
  font-size: 0.8rem !important;
}

/* Largo (Hero CTA / Landing Pages / Login) */
.btn-btos-lg {
  padding: 1.2rem 3rem !important;
  border-radius: 22px !important;
  font-size: 1.1rem !important;
}

/* Especial: Botão Enterprise (Borda Suave) */
.btn-btos-enterprise {
  border: 2px solid #cbd5e1;
  font-weight: 700;
  color: var(--color-primary-bs) !important;
  background-color: #fff;
}

.btn-btos-enterprise:hover {
  border-color: var(--color-primary-bs);
  background-color: var(--color-bg-subtle-blue);
}

/* ==========================================================================
   4. ESTADOS ESPECIAIS (RIGOR DE CONTRASTE)
   ========================================================================== */
.btn-btos-primary:disabled,
.btn-btos-secondary:disabled,
.btn-btos-enterprise:disabled {
  pointer-events: none !important;
  cursor: not-allowed !important;

  transform: none !important;

  border: 1px solid #cbd5e1 !important;

  color: #64748b !important; /* Texto escuro para legibilidade */

  opacity: 0.7;
  background: #e2e8f0 !important; /* Cinza sólido firme */
  filter: none !important; /* Remove grayscale para evitar borrão */
  box-shadow: none !important;
}

/* Botão de Ícone (Circular/Quadrado sem texto) */
.icon-btn {
  cursor: pointer;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0.5rem;
  border: 1px solid var(--border-color-default);
  border-radius: 8px;

  background: #fff;

  transition: var(--transition-fast);
}

.icon-btn:hover {
  border-color: var(--color-primary-bs);
  color: var(--color-primary-bs);
  background: var(--color-bg-light);
}

.icon-btn.btn-xs {
  padding: 2px 6px;
  font-size: 0.75rem;
}


/* ==========================================================================
   5. CTA DISC (AMARELO) - Convite Corporativo
   ========================================================================== */
.btn-btos-disc-i {
  background: linear-gradient(135deg, var(--color-disc-i) 0%, #b45309 100%);
  border-color: rgb(255 255 255 / 35%);

  color: #1a1200 !important;
  white-space: normal;

  flex-wrap: wrap;
  text-align: center;
  line-height: 1.4;
}

.btn-btos-disc-i:hover {
  background: linear-gradient(135deg, #c47d07 0%, #92400e 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-btos-disc-i:active {
  transform: translateY(-1px) scale(0.98);
  filter: brightness(0.95);
  box-shadow: var(--shadow-dna-sm);
}

.btos-corporate-cta {
  width: 100%;
  max-width: 720px;
}

/* ==========================================================================
   6. CTA Flutuante (Download PDF)
   ========================================================================== */
.btos-floating-cta {
  position: fixed;
  left: 50%;
  bottom: 48px;
  z-index: 1000;
  transform: translateX(-50%);
}

.btn-btos-float-download {
  background: linear-gradient(135deg, var(--color-disc-i) 0%, #b45309 100%);
  border-color: rgb(255 255 255 / 35%);

  padding: 1.1rem 2.8rem;
  max-width: min(92vw, 560px);

  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: normal;
  text-align: center;
  line-height: 1.35;
  color: #fff !important;

  box-shadow: var(--shadow-dna-lg);
}

.btn-btos-float-download:hover {
  background: linear-gradient(135deg, #c47d07 0%, #92400e 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-btos-float-download:active {
  transform: translateY(-1px) scale(0.98);
  filter: brightness(0.95);
  box-shadow: var(--shadow-dna-sm);
}

@media (max-width: 768px) {
  .btos-floating-cta {
    bottom: 40px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

  .btn-btos-float-download {
    width: min(92vw, 520px);
    padding: 1rem 1.6rem;
    border-radius: 18px;
    font-size: 1rem;
  }
}