/* ===== RESET ===== */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family: Arial, sans-serif;
}

/* ===== HOME ===== */
.hero{
  height:100vh;
  background-image: url("img/foto1.jpg");
  background-size: cover;
  background-position: center;
  display:flex;
  justify-content:center;
  align-items:center;
}

.hero-box{
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(3px);
  padding:50px 70px;
  border-radius:16px;
  text-align:center;
  color:#fff;
}

.hero-box h1{
  font-size:4rem;
  letter-spacing:4px;
  margin-bottom:20px;
}

.hero-box a{
  display:inline-block;
  margin-top:25px;
  padding:14px 42px;
  border:2px solid #fff;
  color:#fff;
  text-decoration:none;
  font-weight:bold;
}

/* ===== GALLERIA ===== */
.main{
  padding:60px 0;
  display:flex;
  justify-content:center;
}

.horizontal{
  display:flex;
  align-items:center;
  gap:30px;
}

.container-left,
.container-right{
  display:flex;
  flex-direction:column;
}

.container-left img,
.container-right img{
  width:420px;
  height:210px;
  object-fit:cover;
  border-radius:12px;
  display:none;
  cursor:pointer;
}

/* FRECCE */
.arrow-back a,
.arrow-next a{
  font-size:2.5rem;
  color:#000;
}

/* HOME BUTTON */
.btn-home{
  position:fixed;
  top:20px;
  left:20px;
  background:#000;
  color:#fff;
  padding:10px 20px;
  text-decoration:none;
  border-radius:20px;
}

/* LIGHTBOX */
.lightbox{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.85);
  display:none;
  justify-content:center;
  align-items:center;
  z-index:9999;
}

.lightbox.active{
  display:flex;
}

.lightbox img{
  max-width:90%;
  max-height:90%;
}

.lightbox-close{
  position:absolute;
  top:30px;
  right:40px;
  color:#fff;
  font-size:3rem;
  cursor:pointer;
}