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

body {
  min-height: 100vh;
  font-family: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #ffffff;
  background: #000;
  background-image: url("imagem/fundo.png"); /* <-- coloque o caminho da sua imagem aqui */
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}

/* Leve escurecida para dar contraste ao quadro */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.4),
    rgba(0, 0, 0, 0.9)
  );
  z-index: -1;
}

/* MENU SUPERIOR */
.main-header {
  padding: 20px 40px;
}

.top-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-decoration: none;
  color: #f5f5f5;
  font-size: 0.9rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.35);
  transition: all 0.2s ease;
}

.nav-link:hover {
  border-color: #ffd600;
  color: #ffd600;
  transform: translateY(-1px);
}

.nav-link.active {
  background: #ffd600;
  color: #000;
}

/* ÁREA PRINCIPAL */
.hero {
  min-height: calc(100vh - 150px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 20px 16px 60px;
  gap: 24px;
}

.hero-text {
  text-align: center;
  margin-top: 10px;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 3rem);
  letter-spacing: 2px;
  font-weight: 700;
}

.subtitle {
  margin-top: 10px;
  font-size: 0.95rem;
  letter-spacing: 3px;
}

/* QUADRO CENTRAL (CATEGORIAS) */
.categories-card {
  margin-top: 26px;
  width: min(900px, 100%);
  padding: 40px 36px;
  border-radius: 32px;
  background: radial-gradient(circle at top left, rgba(52, 62, 96, 0.6) 0, rgba(18, 22, 40, 0.7) 40%, rgba(5, 8, 22, 0.8) 100%);
  border: 2px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.7);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px 24px;
}

.category {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  padding: 10px 8px;
  border-radius: 20px;
}

.category-image {
  width: 55px;
  height: 55px;
  object-fit: contain;
  margin-bottom: 0.05px;
  transition: transform 0.5s ease;
  /* Alternativa para remover fundo branco */
  filter: 
    contrast(1.3) 
    brightness(0.9) 
    drop-shadow(0 0 0 transparent);
  mix-blend-mode: screen;
  background: transparent;
}

.category-icon {
  font-size: 2.6rem;
  color: #ffd600; /* amarelo dos ícones */
}

.category p {
  font-size: 0.95rem;
}

.category:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

.category:hover .category-image {
  transform: scale(1.1);
}

/* Estilos para links das categorias */
a.category {
  text-decoration: none;
  color: inherit;
}

a.category:hover {
  text-decoration: none;
  color: inherit;
}

a.category:visited {
  color: inherit;
}

a.category:focus {
  outline: 2px solid rgba(255, 214, 0, 0.5);
  outline-offset: 2px;
}

/* RODAPÉ */
.footer {
  position: fixed;
  bottom: 16px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 1000;
  pointer-events: none;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
}

.social {
  display: flex;
  gap: 20px;
  background: rgba(0, 0, 0, 0.6);
  padding: 12px 24px;
  border-radius: 25px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social a {
  color: #ffd600;
  font-size: 1.5rem;
  text-decoration: none;
  transition: transform 0.2s ease, color 0.2s ease;
  display: inline-block;
  padding: 5px;
}

.social a:hover {
  transform: translateY(-2px) scale(1.1);
  color: #ffffff;
}

.copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  margin: 0;
}

/* RESPONSIVIDADE */
@media (max-width: 900px) {
  .categories-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .categories-card {
    grid-template-columns: 1fr;
    padding: 28px 22px;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .subtitle {
    font-size: 0.8rem;
  }

  .main-header {
    padding-inline: 16px;
  }

  .nav-link {
    font-size: 0.8rem;
    padding: 8px 14px;
  }
}