:root {
    /* Cores principais (identidade visual) */
    --primary-blue: #004B8D;
    --secondary-blue: #0074D9;
    --accent-blue: #00AEEF;

    /* Cores neutras */
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --medium-gray: #cccccc;
    --dark-gray: #333333;

    /* Cores de suporte */
    --wpp-dark-green: #075E54;
    --wpp-green: #25D366;
    --text: #FFC107;

    /* Backgrounds */
    --background-light: #f8f9fa;
    --background-dark: #2c3233;

    /* nova paleta de cores */
    --logo-white: #e4e4e4;
    --logo-blue: #182937;
    --azul-arte: #386fa0;
    --azul-profundo: #0c345c;
    --cinza-azulado: #6b7a8d;
    --marrom-terra: #585246;
    --branco-neve: #e9f1f6;
    --grafite: #2c3233;
}

#portfolio {
    margin: 0 auto;
  margin-top: 100px;
  padding: 40px 40px;
  text-align: center;
  height: min(500px, 100%);
  width: min(1200px, 100%);
}

#portfolio h2 {
  font-size: 2rem;
  margin-bottom: 3rem;
  color: var(--dark-gray);
}

.galery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 15px;
}

.portfolio-item {
  aspect-ratio: 5 / 4;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  position: relative;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

/* Overlay de visualização */
.img-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
}

.img-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
  object-fit: contain;
  background: #fff;
  padding: 5px;
}

/* Responsivo para telas pequenas */
@media only screen and (max-width: 768px) {
  #portfolio {
    padding: 30px 10px;
    box-sizing: border-box;
  }

  #portfolio h2 {
    font-size: 1.6rem;
    margin-bottom: 2rem;
  }

  .galery {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .portfolio-item {
    aspect-ratio: 1 / 1;
  }
}