:root {
  --primary: #1e40af;
  --accent: #0ea5e9;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif; /* Certifique-se de importar a fonte */
}

/* Títulos com linha decorativa */
.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background-color: var(--accent);
  margin-top: 8px;
}

.text-center.section-title::after { margin-left: auto; margin-right: auto; }

/* Botão de Scroll */
.scroll-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--primary);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;
  z-index: 1000;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* Hover Effects unificados */
.project-card, .skill-item {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover, .skill-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}