/* --- Stili Base Generali --- */

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #fff;
  color: #333;
}

a {
  color: #007BFF;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --- Header aggiornato con logo --- */
header {
  background-color: #25339c;
  color: white;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-container img {
  height: 40px;
  width: auto;
  border-radius: 4px;
}

.logo {
  font-size: 1.5em;
  font-weight: bold;
  margin: 0;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 15px;
}

nav ul li a {
  color: white;
  padding: 8px 12px;
  display: block;
}

nav ul li a.active,
nav ul li a:hover {
  background-color: #007BFF;
  border-radius: 4px;
}

main, section {
  padding: 20px;
  max-width: 1200px;
  margin: auto;
}

/* Pulsanti primari */
.btn-primary {
  display: inline-block;
  background-color: #007BFF;
  color: white;
  padding: 10px 18px;
  border-radius: 4px;
  font-weight: bold;
  margin-top: 10px;
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.btn-primary:hover {
  background-color: #0056b3;
}

/* Footer */
footer {
  background-color: #222;
  color: white;
  text-align: center;
  padding: 15px 10px;
  margin-top: 40px;
  font-size: 0.9em;
}

/* Classe per pagine con contenuto corto - FIX DEFINITIVO */
.short-content {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.short-content main {
  flex: 1;
}

.short-content footer {
  margin-top: auto;
}

/* --- Hero e slideshow --- */

.hero {
  position: relative;
  text-align: center;
  color: #007BFF; /* blu */
  background-color: white; /* sfondo bianco */
  padding: 40px 20px 20px 20px;
  /* rimuoviamo overlay e ombre */
}

.hero h1 {
  font-size: 2.5em;
  font-weight: bold;
  margin: 0;
  text-shadow: none; /* niente ombra */
}

.hero img {
  width: 100%;
  max-height: 450px;
  object-fit: cover;
  transition: opacity 1s ease-in-out;
  opacity: 1;
  border-radius: 8px;
}

.hero img.fade {
  opacity: 0;
}

/* --- Chi siamo e Servizi (homepage) --- */

.chi-siamo-servizi {
  display: flex;
  gap: 40px;
  padding: 40px 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.chi-siamo-servizi > div {
  flex: 1 1 300px;
  max-width: 450px;
}

.chi-siamo-servizi h2 {
  color: #007BFF;
}

/* --- Lavori evidenza (homepage) --- */

.lavori-evidenza {
  padding: 20px;
  text-align: center;
}

.lavori-evidenza h2 {
  color: #007BFF;
  margin-bottom: 15px;
}

.progetto-evidenza img {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 8px;
}

.progetto-evidenza h3 {
  margin-top: 15px;
}

.lavori-evidenza a.btn-primary {
  margin-top: 20px;
}

/* --- Contatti sintetici (homepage) --- */

.contatti-sintesi {
  background-color: #f9f9f9;
  padding: 30px 20px;
  text-align: center;
  margin-top: 40px;
  font-size: 1.1em;
}

/* --- Pagina Lavori (valori.html) --- */

.lavori-section {
  margin-bottom: 40px;
}

.lavori-section h1 {
  color: #007BFF;
  margin-bottom: 20px;
}

.progetto-card {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 15px;
  display: flex;
  gap: 20px;           /* un po' più spazio tra immagine e testo */
  align-items: center;
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.progetto-card img {
  width: 350px;         /* aumentata larghezza */
  height: auto;         /* mantiene proporzioni */
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;       /* evita che l'immagine si riduca */
}

.progetto-card h3 {
  margin: 0 0 8px 0;
}

.progetto-card p {
  margin: 0;
}

/* --- PULSANTE PREVENTIVO OTTIMIZZATO --- */
#btnPreventivo {
  /* Stili base comuni */
  position: fixed;
  z-index: 999;
  cursor: pointer;
  border: none;
  font-weight: 600;
  transition: all 0.3s ease;
  
  /* Stili per desktop */
  background-color: white;
  color: #007BFF;
  border: 2px solid #007BFF;
  font-size: 14px;
  padding: 12px 20px;
  bottom: 95px;
  right: 15px;
  border-radius: 30px;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
  
  /* Layout flex */
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

#btnPreventivo:hover {
  background-color: #007BFF;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 123, 255, 0.25);
}

#btnPreventivo .emoji {
  font-size: 18px;
  flex-shrink: 0;
}

#btnPreventivo .text {
  display: block;
  white-space: nowrap;
}

/* --- Form preventivo (preventivo.html) --- */

form {
  max-width: 600px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

label {
  font-weight: bold;
  margin-bottom: 5px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  padding: 10px;
  font-size: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
  resize: vertical;
}

textarea {
  min-height: 120px;
}

button[type="submit"] {
  max-width: 200px;
  align-self: flex-start;
}

/* --- Timeline Chi Siamo (versione originale con linea) --- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
  border-left: 3px solid #007BFF;  /* Linea blu per la timeline normale */
}

/* --- Timeline senza linea blu (per homepage o altre pagine) --- */
.timeline-no-line {
  position: relative;
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
  /* Nessun border-left = nessuna linea blu */
}

/* Stili comuni per entrambe le timeline */
.timeline-item,
.timeline-no-line .timeline-item {
  position: relative;
  margin-bottom: 30px;
  padding-left: 30px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease-out forwards;
}

.timeline-item:nth-child(1),
.timeline-no-line .timeline-item:nth-child(1) { animation-delay: 0s; }
.timeline-item:nth-child(2),
.timeline-no-line .timeline-item:nth-child(2) { animation-delay: 0.1s; }
.timeline-item:nth-child(3),
.timeline-no-line .timeline-item:nth-child(3) { animation-delay: 0.2s; }
.timeline-item:nth-child(4),
.timeline-no-line .timeline-item:nth-child(4) { animation-delay: 0.3s; }
.timeline-item:nth-child(5),
.timeline-no-line .timeline-item:nth-child(5) { animation-delay: 0.4s; }
.timeline-item:nth-child(6),
.timeline-no-line .timeline-item:nth-child(6) { animation-delay: 0.5s; }
.timeline-item:nth-child(7),
.timeline-no-line .timeline-item:nth-child(7) { animation-delay: 0.6s; }
.timeline-item:nth-child(8),
.timeline-no-line .timeline-item:nth-child(8) { animation-delay: 0.7s; }

.timeline-item::before,
.timeline-no-line .timeline-item::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 0;
  width: 20px;
  height: 20px;
  background-color: #007BFF;
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 0 0 2px #007BFF;
}

.timeline-item .year,
.timeline-no-line .timeline-item .year {
  font-weight: bold;
  font-size: 18px;
  color: #007BFF;
  margin-bottom: 6px;
}

.timeline-item .text,
.timeline-no-line .timeline-item .text {
  font-size: 16px;
  color: #333;
  background-color: #f9f9f9;
  padding: 12px 16px;
  border-radius: 6px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Hamburger Menu Mobile --- */
.menu-toggle {
  display: none;
  font-size: 28px;
  color: white;
  background-color: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
}

/* --- Animazione Pulse per Mobile --- */
@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 123, 255, 0.25);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
  }
}

/* --- Responsive --- */

@media (max-width: 768px) {
  /* Header mobile con logo */
  header {
    flex-direction: column;
    gap: 10px;
    padding: 15px 20px;
  }
  
  .logo-container {
    order: 1;
    justify-content: center;
  }
  
  .menu-toggle {
    display: block;
    position: absolute;
    top: 15px;
    right: 20px;
    order: 2;
  }
  
  nav {
    order: 3;
    width: 100%;
  }
  
  .logo-container img {
    height: 35px;
  }
  
  .logo {
    font-size: 1.3em;
  }

  .chi-siamo-servizi {
    flex-direction: column;
    align-items: center;
  }

  .progetto-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .progetto-card img {
    width: 100%;
    height: auto;
  }

  /* --- PULSANTE MOBILE OTTIMIZZATO --- */
  #btnPreventivo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    padding: 0;
    bottom: 20px;
    right: 20px;
    justify-content: center;
    align-items: center;
    animation: pulse 2s infinite;
  }
  
  #btnPreventivo .text {
    display: none;
  }
  
  #btnPreventivo .emoji {
    font-size: 24px;
  }
  
  #btnPreventivo:hover {
    animation: none;
  }

  /* Timeline responsive (per entrambe le varianti) */
  .timeline,
  .timeline-no-line {
    padding: 0 10px;
  }
  
  .timeline-item,
  .timeline-no-line .timeline-item {
    padding-left: 25px;
  }
  
  .timeline-item::before,
  .timeline-no-line .timeline-item::before {
    left: -10px;
    width: 16px;
    height: 16px;
  }
  
  .timeline-item .year,
  .timeline-no-line .timeline-item .year {
    font-size: 16px;
  }
  
  .timeline-item .text,
  .timeline-no-line .timeline-item .text {
    font-size: 14px;
    padding: 10px 12px;
  }

  /* Menu mobile */
  nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: none;
    flex-direction: column;
    background-color: #25339c;
    position: absolute;
    top: 70px; /* Aggiustato per il nuovo layout */
    left: 0;
    width: 100%;
    text-align: left;
    padding: 15px 0;
    border-bottom: 1px solid #007BFF;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }

  nav ul li {
    margin: 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  nav ul li:last-child {
    border-bottom: none;
  }

  nav ul.show {
    display: flex;
  }

  /* Menu mobile - solo testo senza rettangoli */
  nav ul li a {
    padding: 15px 20px;
    border-radius: 0;
    background-color: transparent;
    color: white;
    font-size: 1.1em;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    width: auto;
    position: relative;
  }

  nav ul li a:hover {
    background-color: transparent;
    color: #87CEEB;
    transform: translateX(5px);
  }

  nav ul li a.active {
    background-color: transparent;
    border-radius: 0;
    color: #87CEEB;
    font-weight: 600;
  }

  nav ul li a.active:hover {
    background-color: transparent;
    transform: translateX(5px);
  }
}

/* Media query aggiuntiva per dispositivi piccoli */
@media screen and (max-width: 480px) {
  #btnPreventivo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    padding: 0;
    bottom: 20px;
    right: 20px;
  }
  
  #btnPreventivo .text {
    display: none;
  }
  
  #btnPreventivo .emoji {
    font-size: 24px;
  }
}

/* Media query per schermi molto piccoli */
@media screen and (max-width: 320px) {
  #btnPreventivo {
    width: 50px;
    height: 50px;
    right: 15px;
    bottom: 15px;
  }
  
  #btnPreventivo .emoji {
    font-size: 20px;
  }
}