* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Segoe UI', Arial, sans-serif;
}
header {
background-color: #1c1d1d;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
padding: 5px 0;
position: sticky;
top: 0;
z-index: 100;
transition: transform 0.3s ease-in-out;
}
header.hidden {
transform: translateY(-100%);
}
.container {
  max-width: 1200px;
  margin: 0 auto;    
  display: flex;
  justify-content: center;
}
.container2 {
  max-width: 1200px;
  margin: 0 auto;    
  display: flex;
  justify-content: center;
}
.logo-img {
    max-width: 200px;
}
@media (max-width: 768px) {
  .logo-img {
    max-width: 110px;
  }
  .container2 {
    background-color: white;
  }
}



body {
    margin: 0;
    height: 100vh;
    background: url("logo/obra-onikira.png") no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
  }
.botao-whats {
  margin-top: 25px;
  margin: 20px;
}
.botao-whats a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 8px;
  transition: background 0.3s;
}
.botao-whats a:hover {
  background: #128C7E;
}
.botao-whats img {
  width: 24px;
  height: 24px;
}
@media (max-width: 768px) {
  .botao-whats {
    display: flex;
    justify-content: center;
    max-width: 10pxpx;
  }
  .botao-whats a {
    padding: 2px 5px;
  }
}
.headline {
  font-size: 48px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.4;
  max-width: 1200px;
  margin: 20px;
}
.headline2 {
  font-size: 24px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.4;
  text-align: center;
}
.headline3 {
  font-size: 24px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.4;
  text-align: center;
}
.highlight {
  background: #cca000;
  color: #151616;
  padding: 1px;
  border-radius: 10px;
}
.highlight:hover {
  background: #997802;
  transition: background 0.3s;
  box-shadow: 5px 5px rgb(24, 24, 24);
}
@media (max-width: 768px) {
  .headline {
    font-size: 15px;
    max-width: 1000px;
    text-align: center;
  }
  .headline2 {
    font-size: 17px;
  }
  .headline3 {
    font-size: 13px;
  }
}
.galeria-marmore {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 25px;
  padding: 40px;
}
.item-marmore {
  background: #1c1d1d;
  border-radius: 12px;
  overflow: hidden;
  text-align: center;
  transition: 0.3s;
}
.item-marmore:hover {
  transform: scale(1.05);
}
.item-marmore img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.item-marmore p {
  color: #fff;
  padding: 10px;
  font-size: 14px;
}
a {
  text-decoration: none;
  color: inherit;        
}
@media (max-width: 768px) {

  .galeria-marmore {
    grid-template-columns: repeat(4, 1fr); 
    gap: 10px;
    padding: 10px;
  }
  .item-marmore img {
    height: 100px;
  }
  .item-marmore p {
    font-size: 10px;
  }
}
.carrossel {
  position: relative;
  width: 100%;
  max-width: 1200px;
  height: 400px;
  margin: 30px auto;
  overflow: hidden;
  border-radius: 60px;
  background-color: #151616;
}
.carrossel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
  border-radius: 60px;
}
.carrossel img.active {
  display: block;
}
.controles {
  position: absolute;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  padding: 0 20px;
}
.controles button {
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  padding: 10px 10px;
  cursor: pointer;
  border-radius: 30px;
  font-size: 18px;
}
.controles button:hover {
  background: rgba(0, 0, 0, 0.8);
}
.logo-marmore {
  text-align: center;
  color: white;
  margin-top: 10px;
}
.categorias-marmore {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 50px;
}
.categorias-marmore.invertido {
  flex-direction: row-reverse;
  
}
.imagens-marmore {
  display: flex;
  gap: 20px;
}
.img-marmore {
  width: 400px;
  border-radius: 10px;
}
.texto-marmore {
  max-width: 400px;
  color: #fff;
}
@media (max-width: 768px) {
  .categorias-marmore {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }
  .categorias-marmore.invertido {
  flex-direction: row-reverse;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
}
  .imagens-marmore {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
    gap: 10px;
  }
  .img-marmore {
    width: 48%;
    max-width: 48%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
  }
  .texto-marmore {
    font-size: 10px;
    width: 100%;
    margin-top: 10px;
    padding: 15px;
    background: rgba(0,0,0,0.6);
    border-radius: 10px;
  }
}


footer {
background: #1c1d1d;
color: rgb(0, 0, 0);
padding: 30px 0;
margin-top: 40px;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.footer-content {
display: flex;
justify-content: space-between;
flex-wrap: wrap;
gap: 30px;
}
.footer-section {
flex: 1;
min-width: 200px;
}
.footer-section h3 {
margin-bottom: 15px;
font-size: 18px;
}
.footer-section a {
color: #000000;
text-decoration: none;
transition: color 0.3s;
}
.footer-section a:hover {
color: #000000;
}
.copyright {
text-align: center;
margin-top: 30px;
padding-top: 20px;
border-top: 1px solid rgba(255,255,255,0.1);
color: #aaa;
font-size: 14px;
}
.img-footer {
  max-width: 200px;
}
@media (max-width: 768px) {
  .img-footer {
    max-width: 100px;
  }
}
.whatsapp-float { 
    position: fixed; 
    bottom: 15px; 
    right: 15px; 
    width: 50px; 
    height: 50px; 
    background-color: #25d366; 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); 
    z-index: 1000; 
    transition: all 0.3s ease; 
    text-decoration: none; 
} 
.whatsapp-float:hover { 
    transform: scale(1.1); 
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4); 
    background-color: #128C7E; 
} 
.whatsapp-icon { 
    width: 30px; 
    height: 30px; 
    fill: white; 
} 
@media (max-width: 768px) { 
    .whatsapp-float { 
        width: 55px; 
        height: 55px; 
        bottom: 15px; 
        right: 15px; 
    } 
    .whatsapp-icon { 
        width: 26px; 
        height: 26px; 
    } 
}