body {
  margin: 0;
  font-family: Arial;
  background: #f4f4f4;
}

/* HEADER (CORRIGIDO) */
header {
  background: #111;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  /* CENTRALIZA */
  padding: 10px 20px;
  position: relative;
}

.logo {
  display: flex;
  flex-direction: column;
  /* logo em cima do nome */
  align-items: center;
  gap: 5px;
}

.logo img {
  width: 100px;
}

.menu-toggle {
  position: absolute;
  right: 20px;
  font-size: 22px;
  cursor: pointer;
  display: none;
}

/* BARRA COTAÇÕES */
.cotacoes {
  display: flex;
  justify-content: space-around;
  background: linear-gradient(45deg, #007BFF, #00c6ff);
  color: white;
  padding: 10px;
  font-weight: bold;
  flex-wrap: wrap;
}

.cotacoes div {
  margin: 5px 10px;
}

/* LAYOUT */
.container {
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  gap: 20px;
  padding: 20px;
}

/* SIDEBAR */
.sidebar {
  width: 240px;
  background: #1c1c1c;
  color: #fff;
  min-height: 100vh;
  transition: 0.3s;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar li {
  border-bottom: 1px solid #333;
  position: relative;
}

.sidebar a {
  color: #ddd;
  text-decoration: none;
  display: block;
  padding: 14px;
  transition: 0.3s;
}

.sidebar a:hover {
  background: #007BFF;
  color: #fff;
}

/* SUBMENU */
.submenu {
  display: none;
  background: #2a2a2a;
}

.sidebar li:hover .submenu {
  display: block;
}

.submenu a {
  padding-left: 30px;
  font-size: 14px;
}

/* MAIN */
main {
  flex: 1;
  padding: 20px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 15px;
}

/* CARD */
.card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  height: 130px;
  object-fit: cover;
}

.card p {
  padding: 0 10px 10px;
  font-size: 13px;
}

.card h3 {
  font-size: 15px;
}


/* BOTÃO */
.leia-mais {
  display: block;
  margin: 10px;
  padding: 10px;
  text-align: center;
  background: linear-gradient(45deg, #007BFF, #00c6ff);
  color: white;
  text-decoration: none;
  border-radius: 8px;
}

/* FOOTER (CORRIGIDO) */
footer {
  background: #111;
  color: #fff;
  padding: 30px 20px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 100px;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  margin-left: 70px;
}

.footer-logo img {
  width: 100px;
  margin-bottom: 5px;
  margin-left: 50px;
}

.footer-menu {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 10px 30px;
  margin-right: 100px;
}

.footer-menu a {
  color: #ccc;
  text-decoration: none;
}

.footer-menu a:hover {
  color: #fff;
}

.banner {
  margin-top: 90px;
}

.desenvolvimento {
  color: chartreuse;
  font-size: 14px;
  margin-bottom: 5px;
  margin-top: 150px;
  margin-left: 40px;
}


/* força a primeira imagem aparecer */
.banner-slider img:first-child {
  opacity: 1;
}


/* =========================
   BANNER ROTATIVO
========================= */
.banner-slider {
  position: relative;
  width: 100%;
  max-width: 260px;
  height: 320px;
  overflow: hidden;
  border-radius: 10px;
}

.banner-slider img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.banner-slider img.active {
  opacity: 1;
}

.banner {
  margin-top: 90px;
}

/* =========================
   LAYOUT 3 COLUNAS
========================= */
.banner {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.banner img {
  width: 100%;
  max-width: 260px;

  /* 🔥 altura parecida com card */
  max-height: 320px;

  object-fit: cover;
  border-radius: 10px;
}

/* =========================
   RESPONSIVO
========================= */
@media (max-width: 1024px) {
  .container {
    grid-template-columns: 200px 1fr;
  }

  .banner {
    grid-column: span 2;
    margin-top: 20px;
  }

  .banner img {
    max-width: 100%;
    aspect-ratio: auto;
  }
}


@media (max-width: 768px) {
  .container {
    display: grid;
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: -240px;
    top: 0;
    height: 100%;
    z-index: 1000;
  }

  .sidebar.active {
    left: 0;
  }

  .menu-toggle {
    display: block;
  }

  /* 🔥 banner antes do conteúdo */
  .banner {
    grid-row: 1;
    margin-bottom: 15px;
  }

  main {
    grid-row: 2;
  }
}