/* SFONDO GENERALE */

body {

  margin: 0;

  font-family: Arial, sans-serif;

  background: #5e778f; /* sfondo scuro */

  display: flex;

  justify-content: center;

  align-items: flex-start;

  padding: 20px;

}



h2 {

  color: #0077cc; /* azzurro */

}



/* CONTENITORE COME FOGLIO A4 */

.page {

  background: #f9f9f9;

  width: 100%;

  max-width: 900px;   /* simile ad A4 in orizzontale */

  min-height: 100vh;  /* copre tutta l’altezza */

  display: flex;

  flex-direction: column;

  box-shadow: 0 0 25px rgba(0,0,0,0.5);

  border-radius: 8px;

  overflow: hidden;

}



/* TOPBAR CON LOGO + NOME */

.topbar {

  display: flex;

  align-items: center;

  background: #313c5a;

  color: rgb(248, 247, 238);

  padding: 10px 20px;

}

.topbar .logo {

  border-radius: 50%;

  margin-right: 15px;

}

.topbar .company-name {

  font-size: 1.5em;

  margin: 0;

}



/* HEADER CON SLIDESHOW */

header {

  position: relative;

  height: 200px;

  overflow: hidden;

}

header img {

  width: 100%;

  height: 100%;

  object-fit: cover;

  position: absolute;

  top: 0;

  left: 0;

  opacity: 0;

  transition: opacity 1s ease-in-out;

}

header img.active {

  opacity: 1;

}



/* LAYOUT PRINCIPALE */

.container {

  flex: 1;

  display: flex;

  flex-direction: row;

  padding: 20px;

}



/* MENU LATERALE */

nav {

  width: 220px;

  background: #7187b1; /* blu scuro */

  color: white;

  flex-shrink: 0;

  border-radius: 8px;

  overflow: hidden;

  box-shadow: 0 2px 6px rgba(0,0,0,0.2);

}

nav ul {

  list-style: none;

  padding: 0;

  margin: 0;

}

nav ul li {

  border-bottom: 1px solid #2e4f8a;

}

nav ul li a {

  display: block;

  padding: 15px;

  color: white;

  text-decoration: none;

  transition: background 0.3s;

}

nav ul li a:hover {

  background: #2e4f8a;

}



/* MAIN AREA */

main {

  flex: 1;

  background: white;

  padding: 20px;

  margin-left: 20px;

  border-radius: 12px;

  box-shadow: 0 4px 10px rgba(0,0,0,0.1);

}



/* FOOTER */

footer {

  background: #313c5a;

  color: white;

  text-align: center;

  padding: 15px;

}



/* RESPONSIVE */

@media (max-width: 768px) {

  .container {

    flex-direction: column;

  }

  nav {

    width: 100%;

    margin-bottom: 20px;

  }

  main {

    margin-left: 0;

  }

}



/* Pulsante ovale */

.btn-oval {

  background: #24a33f;      /* blu scuro */

  color: white;

  padding: 12px 30px;

  border: none;

  border-radius: 999px;     /* rende il bottone ovale */

  font-size: 1em;

  cursor: pointer;

  transition: background 0.3s, transform 0.2s;

  box-shadow: 0 3px 6px rgba(0,0,0,0.2);

}



.btn-oval:hover {

  background: #59d173;      /* blu più chiaro */

  transform: translateY(-2px); /* effetto sollevamento */

}



.btn-oval:active {

  transform: translateY(0); /* torna giù quando cliccato */

}







/* GALLERIA FOTOGRAFICA  ---------------------------------------- */

.gallery {

  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));

  gap: 20px;

  margin-top: 20px;

}



.gallery-item {

  background: #f0f0f0;

  border-radius: 10px;

  overflow: hidden;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);

  cursor: pointer;

  transition: transform 0.3s ease, box-shadow 0.3s ease;

}



.gallery-item:hover {

  transform: translateY(-5px);

  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);

}



.gallery-item img {

  width: 100%;

  display: block;

  object-fit: cover;

}



.gallery-item .desc {

  padding: 10px 15px;

  background: white;

  font-size: 0.95em;

  color: #333;

  text-align: center;

}



/* LIGHTBOX */

.lightbox {

  display: none; /* nascosto di default */

  position: fixed;

  z-index: 1000;

  left: 0;

  top: 0;

  width: 100%;

  height: 100%;

  background: rgba(0,0,0,0.85);

  justify-content: center;

  align-items: center;

  flex-direction: column;

  text-align: center;

}



.lightbox img {

  max-width: 90%;

  max-height: 70vh;

  border-radius: 10px;

  box-shadow: 0 0 20px rgba(0,0,0,0.5);

}



.lightbox #lightbox-desc {

  color: white;

  margin-top: 15px;

  font-size: 1.1em;

}



.lightbox .close {

  position: absolute;

  top: 20px;

  right: 30px;

  font-size: 2em;

  color: white;

  cursor: pointer;

}