/* =========================================
   cta.css — CTA gradient + botão (clean, premium, hover lento)
   - botão preto (sem vidro)
   - hover branco (texto preto)
   - borda fina branca (vira preta no hover)
   - transição lenta e sutil (ida e volta)
   ========================================= */

.cta {
  padding: 30px 10px;
}

.cta__surface {
  border-radius: 26px;
  overflow: hidden;
  padding: clamp(26px, 4vw, 44px);
  background: var(--g-brand);
  box-shadow: 0 22px 70px rgba(11, 18, 32, 0.14);
  position: relative;
  isolation: isolate;
}

.cta__surface::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 620px at 12% 10%, rgba(11, 18, 32, 0.22), transparent 60%),
    radial-gradient(900px 620px at 92% 92%, rgba(255, 255, 255, 0.12), transparent 60%);
  opacity: 0.55;
  z-index: 0;
}

.cta__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.cta__title {
  margin: 0 0 10px;
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #fff;
}

.cta__subtitle {
  margin: 0 0 20px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.6;
}

/* =========================================
   BOTÃO CTA — clean e corporativo
   (transição lenta de verdade: background-color / color / border-color)
   ========================================= */

.cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;

  padding: 12px 18px;
  border-radius: 999px;

  background-color: rgba(11, 18, 32, 0.94);     /* preto */
  color: rgba(255, 255, 255, 0.96);            /* texto branco */
  border: 1px solid rgba(255, 255, 255, 0.42); /* borda branca fina */

  box-shadow:
    0 16px 44px rgba(11, 18, 32, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);

  position: relative;
  overflow: hidden;
  user-select: none;

  /* hover lento e sutil (ida e volta) */
  transition:
    background-color 1000ms var(--ease, ease),
    color 1000ms var(--ease, ease),
    border-color 1000ms var(--ease, ease),
    box-shadow 900ms var(--ease, ease),
    transform 420ms var(--ease, ease);
}

/* “sheen” discreto (não é vidro) */
.cta__btn::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    120deg,
    transparent 0%,
    rgba(255, 255, 255, 0.10) 35%,
    rgba(255, 255, 255, 0.18) 50%,
    rgba(255, 255, 255, 0.10) 65%,
    transparent 100%
  );
  transform: translateX(-35%);
  opacity: 0.0;

  transition:
    opacity 900ms var(--ease, ease),
    transform 1400ms var(--ease, ease);
}

.cta__btn span,
.cta__btn i[data-lucide] {
  position: relative;
  z-index: 1;
}

.cta__btn i[data-lucide] {
  width: 18px;
  height: 18px;
}

/* hover: branco com texto preto e borda preta */
.cta__btn:hover {
  background-color: rgba(255, 255, 255, 0.92);
  color: rgba(11, 18, 32, 0.96);
  border-color: rgba(11, 18, 32, 0.50);

  box-shadow:
    0 22px 58px rgba(11, 18, 32, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);

  transform: translateY(-1px);
}

.cta__btn:hover::before {
  opacity: 1;
  transform: translateX(45%);
}

.cta__btn:active {
  transform: translateY(0);
}

/* acessibilidade */
@media (prefers-reduced-motion: reduce) {
  .cta__btn,
  .cta__btn::before {
    transition: none !important;
  }
}