body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #ffffff, #767676);
  color: #333;
  text-align: center;
}

/* ===== MENU TOP ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: linear-gradient(90deg, #000000, #333333);
  padding: 15px 0;
  box-shadow: 0 5px 20px rgba(0,0,0,0.3);
  z-index: 1000;
}

.navbar a {
  color: white;
  text-decoration: none;
  margin: 0 25px;
  font-weight: bold;
  font-size: clamp(16px, 2vw, 18px);
  transition: 0.3s;
  position: relative;
  display: inline-block;
}

.navbar a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 3px;
  background: white;
  left: 0;
  bottom: -5px;
  transition: 0.3s;
}

.navbar a:hover::after {
  width: 100%;
}

.navbar a:hover {
  transform: scale(1.1);
}

/* ===== CONTENUTO ===== */
.content {
  padding-top: 120px;
  animation: fadeIn 0.8s ease;
  padding-left: 20px;
  padding-right: 20px;
}

h1 {
  font-size: clamp(32px, 6vw, 60px);
}

p {
  font-size: clamp(16px, 2.5vw, 20px);
  max-width: 600px;
  margin: 20px auto;
  line-height: 1.6;
}

/* ===== BOTTONI ===== */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-size: clamp(14px, 2vw, 18px);
  font-weight: bold;
  text-decoration: none;
  color: white;
  background: linear-gradient(45deg, #000000, #474747);
  border-radius: 50px;
  transition: 0.3s ease;
  margin-top: 20px;
}

.btn:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* ===== ANIMAZIONE ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== FOOTER ===== */
.footer {
  background: #222;
  color: #fff;
  padding: 20px 0;
  text-align: center;
  font-size: clamp(14px, 2vw, 16px);
  margin-top: 50px;
}

.footer a {
  color: #fff;
  margin: 0 15px;
  text-decoration: none;
  transition: 0.3s;
}

.footer a:hover {
  color: #1DA1F2;
  transform: scale(1.1);
}

/* ===== MOBILE VERSION ===== */
@media (max-width: 768px) {

  .navbar {
    padding: 10px 0;
  }

  .navbar a {
    display: block;
    margin: 10px 0;
  }

  .content {
    padding-top: 100px;
  }

  .btn {
    padding: 14px 30px;
  }

  .footer a {
    display: block;
    margin: 8px 0;
  }

}

/* ===== LARGE SCREENS ===== */
@media (min-width: 1400px) {
  .content {
    max-width: 1200px;
    margin: auto;
  }
}