:root {
  /* Palette di colori sobria */
  --primary: #4a9fee;
  --primary-light: #6db5f8;
  --primary-dark: #2c6ca0;
  --accent: #f0f0f0;
  --text-light: #ffffff;
  --text-dark: #333333;
  --bg-light: rgba(255, 255, 255, 0.9);
  --bg-dark: rgba(44, 62, 80, 0.85);
  --border-light: rgba(255, 255, 255, 0.2);
  
  /* Dimensioni e spaziature */
  --border-radius-lg: 20px;
  --border-radius-md: 15px;
  --border-radius-sm: 10px;
  --spacing-xl: 40px;
  --spacing-lg: 30px;
  --spacing-md: 20px;
  --spacing-sm: 10px;
}

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  padding: 30px 0;
  justify-content: center;
  align-items: center;
  background-color: var(--text-dark);
}

.back-vid {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
  filter: brightness(0.6);
}

@media (max-aspect-ratio: 16/9) {
  .back-vid {
    width: auto;
    height: 100%;
  }
}

@media (min-aspect-ratio: 16/9) {
  .back-vid {
    width: 100%;
    height: auto;
  }
}

.main-section {
  width: 90%;
  height: 90%;
  background-color: var(--bg-dark);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  overflow-y: auto; /* Barra di scorrimento attiva */
  border: 1px solid var(--border-light);
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

/* Barra di navigazione */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

nav h1 {
  background: linear-gradient(to right, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 30px;
  font-weight: 700;
  position: relative;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

nav li {
  position: relative;
  margin: 0 5px;
}

nav a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 10px 20px;
  border-radius: 30px;
  display: inline-block;
  position: relative;
  z-index: 1;
  letter-spacing: 0.5px;
}

nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  border-radius: 30px;
  z-index: -1;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
}

nav a:hover::before,
.attivo::before {
  opacity: 1;
  transform: scale(1);
}

nav a:hover,
.attivo {
  color: var(--text-light);
  transform: translateY(-3px);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

nav a i {
  margin-right: 8px;
  font-size: 14px;
}

/* Contenitore principale della pagina di contatto */
.contact-container {
  color: white;
  width: 90%;
  margin: 0 auto;
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.contact-title {
  font-size: 2.2em;
  text-align: center;
  margin-bottom: 30px;
  color: var(--primary);
  position: relative;
}

.contact-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.contact-content {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}

/* Sezione delle info di contatto */
.contact-info {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-info .info-card {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all 0.3s ease;
}

.contact-info .info-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-info .icon {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.3em;
}

.contact-info .info h3 {
  font-size: 1.1em;
  margin-bottom: 5px;
  font-weight: 600;
}

.contact-info .info p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95em;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-btn {
  width: 45px;
  height: 45px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--primary);
  font-size: 1.4em;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-btn:hover {
  background: var(--primary);
  color: var(--text-light);
  transform: translateY(-3px);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

/* Sezione form di contatto */
.contact-form {
  flex: 2;
  min-width: 300px;
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.contact-form:hover {
  background: rgba(255, 255, 255, 0.08);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius-sm);
  color: var(--text-light);
  font-family: 'Poppins', sans-serif;
  font-size: 0.95em;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 3px rgba(74, 159, 238, 0.2);
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 25px;
  background: var(--primary);
  border: none;
  border-radius: 30px;
  color: var(--text-light);
  font-weight: 600;
  font-size: 1em;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.submit-btn:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.submit-btn i {
  transition: all 0.3s ease;
}

.submit-btn:hover i {
  transform: translateX(5px);
}

.form-status {
  margin-top: var(--spacing-md);
}

.form-status div {
  padding: 10px 15px;
  border-radius: var(--border-radius-sm);
  font-size: 0.9em;
  margin-bottom: 10px;
}

#success {
  background-color: rgba(40, 167, 69, 0.2);
  border: 1px solid rgba(40, 167, 69, 0.3);
  color: #c3e6cb;
}

#error {
  background-color: rgba(220, 53, 69, 0.2);
  border: 1px solid rgba(220, 53, 69, 0.3);
  color: #f8d7da;
}

.hidden {
  display: none;
}

/* Barre di scorrimento personalizzate */
::-webkit-scrollbar {
  width: 8px;
  display: block;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* Media Queries */
@media (min-width: 1220px) {
  body {
    width: 100%;
    height: 100vh;
    overflow: hidden;
  }
}

@media (max-width: 980px) {
  body {
    height: 100vh;
    overflow: hidden;
    padding: 15px 0;
  }
  
  .main-section {
    height: 95%;
  }
  
  nav {
    padding: 15px;
  }
  
  nav ul {
    width: 100%;
    justify-content: center;
    gap: 5px;
  }
  
  nav a {
    padding: 8px 12px;
    font-size: 15px;
  }
  
  .contact-content {
    flex-direction: column;
  }
  
  .contact-info,
  .contact-form {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .main-section {
    width: 95%;
    border-radius: var(--border-radius-md);
  }
  
  nav {
    padding: 10px;
  }
  
  nav h1 {
    font-size: 22px;
  }
  
  nav ul {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 5px;
  }
  
  nav li {
    margin: 0 3px;
  }
  
  .contact-title {
    font-size: 1.8em;
  }
  
  .form-group input,
  .form-group textarea {
    padding: 10px;
  }
  
  .submit-btn {
    padding: 10px 20px;
    font-size: 0.9em;
  }
}

@media (max-width: 440px) {
  .main-section {
    border-radius: var(--border-radius-sm);
    height: 95%;
  }
  
  nav {
    padding: 10px;
  }
  
  nav h1 {
    font-size: 18px;
  }
  
  .contact-title {
    font-size: 1.5em;
  }
  
  .contact-info .icon {
    width: 40px;
    height: 40px;
    font-size: 1em;
  }
  
  .contact-info .info h3 {
    font-size: 1em;
  }
  
  .contact-info .info p {
    font-size: 0.85em;
  }
}