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

/* HEADER */
header{
  display:flex;
  justify-content:center;
  align-items:center;
  padding:20px 0;
  border-bottom:1px solid #eee;
  position:relative;
}

header img{height:110px;}

.cart-btn{
  position:absolute;
  right:30px;
  cursor:pointer;
  background:#00a650;
  color:white;
  padding:10px 15px;
  border-radius:8px;
  font-weight:bold;
  box-shadow:0 4px 6px rgba(0,0,0,0.2);
  transition:transform 0.2s, background 0.2s;
}
.cart-btn:hover{
  background:#008f45;
  transform:scale(1.05);
}

/* BANNER */
.banner{
  max-width:1200px;
  height:350px;
  margin:20px auto;
  position:relative;
  border-radius:16px;
  overflow:hidden;
}

.slides{
  display:flex;
  height:100%;
  transition:transform .5s ease;
}

.slide{min-width:100%;position:relative;}

.slide img{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* Overlay */
.overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.35);
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  color:white;
}

.overlay h2{
  font-size:32px;
  margin-bottom:10px;
}

.overlay button{
  padding:10px 20px;
  border:none;
  background:#00a650;
  color:white;
  border-radius:6px;
  cursor:pointer;
}

.dots{
  position:absolute;
  bottom:10px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:8px;
}

.dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background:#aaa;
  cursor:pointer;
}

.dot.active{background:white}

/* LAYOUT */
.layout{
  display:flex;
  max-width:1200px;
  margin:auto;
  padding:20px;
  gap:20px;
}

.sidebar{
  width:200px;
  display:flex;
  flex-direction:column;
  overflow-x:auto;
}

.sidebar button{
  padding:10px;
  border:none;
  background:#fff;
  cursor:pointer;
  text-align:left;
}

.sidebar button.active{
  font-weight:bold;
  color:#00a650;
}

/* PRODUCTS */
.products{
  flex:1;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;
}

.card{
  border:1px solid #eee;
  padding:10px;
  border-radius:10px;
}

.card img{
  width:100%;
  height:140px;
  object-fit:cover;
}

.price{font-weight:bold;margin:10px 0}

.add{
  padding:10px;
  border:none;
  background:#111;
  color:#fff;
  border-radius:6px;
  cursor:pointer;
}

/* CART */
.cart{
  position:fixed;
  top:0;
  right:0;
  width:320px;
  height:100%;
  background:#fff;
  transform:translateX(100%);
  transition:.3s;
  padding:15px;
  box-shadow:-5px 0 10px rgba(0,0,0,.1);
}

.cart.open{transform:translateX(0);}

/* TOAST */
.toast{
  position:fixed;
  bottom:20px;
  left:50%;
  transform:translateX(-50%);
  background:#111;
  color:#fff;
  padding:10px;
  border-radius:6px;
  opacity:0;
  transition:.3s;
}

.toast.show{opacity:1}

.sidebar button{
  display:block;
  width:100%;
  padding:10px;
  border:none;
  background:#fff;
  cursor:pointer;
  text-align:left;
  position:relative;
  transition:transform 0.2s, color 0.2s;
}

/* línea animada */
.sidebar button::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:0;
  height:2px;
  background:#00a650;
  transition:width 0.3s;
}

.sidebar button:hover{
  transform:scale(1.03);
  color:#00a650;
}

.sidebar button:hover::after{
  width:100%;
}

/* activo */
.sidebar button.active{
  font-weight:bold;
  color:#00a650;
}

.sidebar button.active::after{
  width:100%;
}