:root{

  --navy:#061831;

  --blue:#075f8f;

  --light-blue:#8fd3ff;

  --text:#263044;

  --muted:#657286;

  --light:#f3f6f9;

  --white:#ffffff;

}



*{

  margin:0;

  padding:0;

  box-sizing:border-box;

}



html{

  scroll-behavior:smooth;

  scroll-padding-top:105px;

}



body{

  font-family:Arial, Helvetica, sans-serif;

  color:var(--text);

  line-height:1.7;

  background:#ffffff;

  overflow-x:hidden;

}



a{

  text-decoration:none;

}



img{

  display:block;

  max-width:100%;

}





/* HEADER */



.header{

  position:fixed;

  top:0;

  left:0;

  width:100%;

  min-height:100px;

  z-index:1000;



  display:flex;

  align-items:center;

  justify-content:space-between;



  padding:12px 4% 12px 2.2%;



  background:rgba(6,24,49,.94);

  backdrop-filter:blur(12px);



  box-shadow:0 5px 20px rgba(0,0,0,.15);

}



.logo{

  display:flex;

  align-items:center;

  gap:14px;

  flex-shrink:0;

  color:#ffffff;

}



.logo-image-box{

  display:flex;

  align-items:center;

  justify-content:center;



  padding:5px 8px;



  background:rgba(220,240,252,.90);



  border:1px solid rgba(255,255,255,.45);

  border-radius:9px;

}



.logo-symbol{

  width:115px;

  height:auto;

  object-fit:contain;

}



.logo-text{

  display:flex;

  align-items:baseline;

  gap:9px;

  white-space:nowrap;

}



.logo-name{

  color:#ffffff;

  font-size:27px;

  font-weight:900;

  letter-spacing:1px;

}



.logo-sector{

  color:var(--light-blue);

  font-size:21px;

  font-weight:900;

  letter-spacing:2px;

}



.main-nav{

  display:flex;

  align-items:center;

  gap:28px;

}



.main-nav a{

  color:#ffffff;

  font-size:16px;

  font-weight:700;

}



.main-nav a:hover{

  color:var(--light-blue);

}



.menu-button{

  display:none;

  border:0;

  background:transparent;

  color:white;

  font-size:30px;

  cursor:pointer;

}





/* HERO */



.hero{

  position:relative;

  min-height:100vh;



  display:flex;

  align-items:flex-end;



  overflow:hidden;



  padding:170px 7% 80px;



  color:#ffffff;

  background:var(--navy);

}



.hero-slide{

  position:absolute;

  inset:0;

  z-index:0;



  background-position:center;

  background-size:cover;

  background-repeat:no-repeat;



  opacity:0;

  transform:scale(1.06);



  transition:

    opacity 1.5s ease,

    transform 7s ease;

}



.hero-slide.active{

  opacity:1;

  transform:scale(1);

}



.hero-slide.technical-slide{

  background-size:contain;

  background-color:#ffffff;

}



.hero-overlay{

  position:absolute;

  inset:0;

  z-index:1;



  background:linear-gradient(

    180deg,

    rgba(6,24,49,.10),

    rgba(6,24,49,.95)

  );

}



.hero-content{

  position:relative;

  z-index:2;

  max-width:1100px;

}



.label{

  margin-bottom:18px!important;

  color:var(--light-blue)!important;



  text-transform:uppercase;

  letter-spacing:4px;



  font-size:13px!important;

  font-weight:900;

}



.hero h1{

  margin-bottom:25px;



  font-size:clamp(48px,7vw,88px);

  line-height:1.02;

}



.hero-description{

  max-width:900px;

  color:#edf4f8;

  font-size:21px;

}





/* PULSANTI */



.hero-buttons{

  display:flex;

  flex-wrap:wrap;

  gap:18px;

  margin-top:32px;

}



.btn{

  display:inline-block;

  padding:15px 30px;



  background:var(--blue);

  color:#ffffff;



  border:2px solid var(--blue);

  border-radius:8px;



  font-weight:900;

}



.secondary-btn{

  background:transparent;

  border-color:var(--light-blue);

}



.secondary-btn:hover{

  background:var(--light-blue);

  color:var(--navy);

}





/* DATI */



.project-info{

  display:grid;

  grid-template-columns:repeat(3,1fr);

  gap:1px;

  background:#d6dfe7;

}



.project-info div{

  padding:28px 7%;

  background:var(--light);

}



.project-info span{

  display:block;

  margin-bottom:6px;



  color:#758196;



  text-transform:uppercase;

  letter-spacing:2px;



  font-size:12px;

}



.project-info strong{

  color:var(--navy);

  font-size:18px;

}





/* SEZIONI */



.section{

  padding:95px 7%;

}



.section h2{

  max-width:1100px;

  margin-bottom:28px;



  color:var(--navy);



  font-size:clamp(36px,5vw,56px);

  line-height:1.1;

}



.section > p:not(.label){

  max-width:1050px;

  margin-bottom:18px;



  color:var(--muted);



  font-size:18px;

}



.dark{

  background:var(--navy);

  color:#ffffff;

}



.dark h2{

  color:#ffffff;

}



.dark > p:not(.label){

  color:#d9e5ec;

}





/* NUMERI */



.numbers{

  display:grid;

  grid-template-columns:repeat(4,1fr);

  gap:20px;

  margin-top:42px;

}



.numbers article{

  padding:28px;

  background:var(--light);

  border-radius:14px;

  text-align:center;

}



.numbers strong{

  display:block;

  margin-bottom:8px;



  color:var(--blue);



  font-size:34px;

}



.numbers span{

  color:var(--muted);

  font-weight:700;

}





/* GRIGLIE */



.technical-grid{

  display:grid;

  grid-template-columns:repeat(2,1fr);

  gap:24px;

  margin-top:38px;

}



.technical-grid article{

  padding:30px;



  background:rgba(255,255,255,.07);



  border:1px solid rgba(255,255,255,.16);

  border-radius:14px;

}



.technical-grid h3{

  margin-bottom:11px;

  color:var(--light-blue);

  font-size:23px;

}



.technical-grid p{

  color:#d9e5ec;

}





/* ATTIVITÀ */



.activities{

  display:grid;

  grid-template-columns:repeat(2,1fr);

  gap:24px;

  margin-top:38px;

}



.activities article{

  display:grid;

  grid-template-columns:58px 1fr;

  gap:16px;



  padding:27px;



  background:var(--light);

  border-radius:14px;

}



.activities > article > span{

  color:var(--blue);

  font-size:29px;

  font-weight:900;

}



.activities h3{

  margin-bottom:7px;

  color:var(--navy);

  font-size:22px;

}



.activities p{

  color:var(--muted);

}





/* GALLERIA */



.gallery-section{

  background:#f3f6f9;

}



.gallery{

  display:grid;

  grid-template-columns:repeat(2,1fr);

  gap:24px;

  margin-top:35px;

}



.gallery figure{

  margin:0;

  overflow:hidden;



  background:#ffffff;



  border-radius:14px;



  box-shadow:0 12px 35px rgba(6,24,49,.10);



  cursor:zoom-in;

}



.gallery figure.large{

  grid-column:span 2;

}



.gallery img{

  width:100%;

  height:460px;



  object-fit:cover;



  background:#ffffff;

}



.gallery figure.large img{

  height:620px;

}



.gallery figure.technical-image img{

  height:auto;

  max-height:950px;



  object-fit:contain;



  padding:14px;

}



.gallery figcaption{

  padding:18px 22px;



  color:#364156;



  font-weight:700;



  border-top:1px solid #e1e6eb;

}





/* RISULTATO */



.result{

  background:linear-gradient(

    135deg,

    var(--blue),

    var(--navy)

  );



  color:#ffffff;

}



.result h2{

  color:#ffffff;

}



.result > p:not(.label){

  color:#e2ebf0;

}





/* BACK */



.back{

  padding:43px 7%;

  border-top:1px solid #d8dfe5;

}



.back a{

  color:var(--blue);

  font-weight:900;

}





/* FOOTER */



footer{

  padding:42px 7%;

  background:#101820;

  color:#ffffff;

  text-align:center;

}





/* LIGHTBOX */



.lightbox{

  position:fixed;

  inset:0;

  z-index:5000;



  display:none;

  align-items:center;

  justify-content:center;



  padding:35px;



  background:rgba(0,0,0,.95);

}



.lightbox.open{

  display:flex;

}



.lightbox img{

  max-width:96vw;

  max-height:92vh;

  object-fit:contain;

}



.lightbox-close{

  position:absolute;

  top:18px;

  right:28px;



  border:0;

  background:transparent;

  color:#ffffff;



  font-size:48px;

  cursor:pointer;

}





/* TABLET */



@media(max-width:1000px){



  .project-info,

  .numbers{

    grid-template-columns:repeat(2,1fr);

  }



}





/* MOBILE */



@media(max-width:900px){



  .header{

    position:relative;

    min-height:82px;

    padding:11px 5%;

  }



  .logo-symbol{

    width:88px;

  }



  .logo-name{

    font-size:21px;

  }



  .logo-sector{

    font-size:16px;

  }



  .menu-button{

    display:block;

  }



  .main-nav{

    position:absolute;

    top:100%;

    left:0;

    right:0;



    z-index:1001;



    display:none;

    flex-direction:column;

    align-items:flex-start;



    gap:15px;



    padding:22px 6%;



    background:var(--navy);

  }



  .main-nav.open{

    display:flex;

  }



  .hero{

    min-height:82vh;

    padding:100px 6% 55px;

  }



  .project-info,

  .numbers,

  .technical-grid,

  .activities,

  .gallery{

    grid-template-columns:1fr;

  }



  .gallery figure.large{

    grid-column:auto;

  }



  .gallery img,

  .gallery figure.large img,

  .gallery figure.technical-image img{

    height:auto;

    max-height:none;

  }



}





@media(max-width:600px){



  .logo{

    gap:8px;

  }



  .logo-symbol{

    width:70px;

  }



  .logo-name{

    font-size:17px;

  }



  .logo-sector{

    font-size:12px;

  }



  .hero h1{

    font-size:42px;

  }



  .hero-description{

    font-size:18px;

  }



  .hero-buttons{

    flex-direction:column;

  }



  .btn{

    width:100%;

    text-align:center;

  }



  .section{

    padding:70px 5%;

  }



}