* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  color: var(--texto);
  background: var(--bege-claro);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--grafite);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === CTA BUTTON === */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul) 100%);
  color: var(--branco);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 20px 40px;
  border: none;
  border-radius: var(--raio-borda);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--sombra-principal);
  position: relative;
  overflow: hidden;
}

.cta-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}

.cta-btn:hover::before {
  left: 100%;
}

.cta-btn:hover {
  background: linear-gradient(135deg, var(--azul-escuro-profundo) 0%, var(--azul-escuro) 100%);
  transform: translateY(-3px);
  box-shadow: 0 25px 75px -25px rgba(77, 107, 135, 0.45);
}

.cta-btn:active {
  transform: translateY(-1px);
}

.cta-btn .arrow {
  transition: transform 0.3s ease;
}

.cta-btn:hover .arrow {
  transform: translateX(5px);
}

.cta-large {
  padding: 24px 60px;
  font-size: 16px;
}

/* Otimizações para desempenho em mobile */
@media (max-width: 768px) {
  .cta-btn {
    transition: all 0.2s ease;
  }
  
  .cta-btn::before {
    transition: left 0.4s ease;
  }
  
  /* Desativa efeitos heavy para performance */
  .hero-img-wrap, .header, .oferta-card {
    will-change: transform;
    transform: translateZ(0);
  }
}

@media (max-width: 640px) {
  .cta-btn::before {
    display: none; /* Desativa shine para melhor desempenho */
  }
}

/* === SECTION DEFAULTS === */
section {
  padding: 100px 0;
}

.section-tag {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--azul-escuro);
  margin-bottom: 18px;
  text-align: center;
}

.section-title {
  font-size: 48px;
  text-align: center;
  margin-bottom: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title em {
  font-style: italic;
  color: var(--azul-escuro);
}

.section-sub {
  text-align: center;
  font-size: 18px;
  max-width: 640px;
  margin: 0 auto 70px;
  color: var(--texto);
}

/* === ANIMATIONS === */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
}

.reveal.in {
  animation: fadeUp 0.8s ease forwards;
}