:root {
  /* Paleta refinada para empreendimento (luxo) */
  --azul-marinho: #0B1F2F;       /* Navy profundo */
  --azul-noite:  #123247;        /* Navy escuro */
  --azul-aco:    #2A536D;        /* Aço azulado */
  --azul-acinz:  #7F97A9;        /* Azul acinzentado */
  --cinza-gelo:  #F3F6F8;        /* Fundo claro sofisticado */
  --dourado-claro: #C8A978;      /* Dourado suave premium */
  --areia-suave: #EDE3D2;        /* Neutro quente */

  /* Mapeamento de nomes legados usados no projeto */
  --branco-neve: var(--cinza-gelo);
  --azul-petroleo: var(--azul-aco);
  --cinza-pedra: var(--azul-acinz);

  /* Mantendo compatibilidade com nomes antigos */
  --azul-muito-escuro: var(--azul-marinho);
  --azul-escuro: var(--azul-noite);
  --azul-medio: var(--azul-aco);
  --azul-claro: var(--azul-acinz);
  --cinza-claro: var(--cinza-gelo);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--cinza-pedra);
  background-color: var(--branco-neve);
  overflow-x: hidden;
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

/* Animações */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in {
  animation: fadeIn 1s ease-out forwards;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out forwards;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out forwards;
}

.float {
  animation: float 3s ease-in-out infinite;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--azul-escuro);
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  letter-spacing: -0.5px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--dourado-claro), var(--azul-escuro));
  border-radius: 2px;
}

.btn {
  display: inline-block;
  padding: 15px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--azul-escuro), var(--azul-aco));
  color: white;
  box-shadow: 0 4px 15px rgba(18, 50, 71, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(18, 50, 71, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--azul-escuro);
  border: 2px solid var(--azul-escuro);
}

.btn-secondary:hover {
  background: var(--azul-escuro);
  color: white;
}

.btn-secondary-white {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary-white:hover {
  background: white;
  color: var(--azul-escuro);
}

/* Scroll Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
}

.fade-up {
  transform: translateY(30px);
}

.fade-up.animated {
  transform: translateY(0);
}

.fade-left {
  transform: translateX(-30px);
}

.fade-left.animated {
  transform: translateX(0);
}

.fade-right {
  transform: translateX(30px);
}

.fade-right.animated {
  transform: translateX(0);
}

/* Responsive */
@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  
  .section {
    padding: 60px 0;
  }
}