.site-header {
  position: relative;
  top: 0;
  z-index: 50;
  background: transparent url("../assets/navbar sfondo nuovo.png") bottom center / cover
    no-repeat;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 4vw;
}

.main-nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.main-nav__logo img {
  width: clamp(80px, 9vw, 120px);
}

.main-nav__links {
  display: flex;
  gap: clamp(1rem, 2vw, 2.2rem);
  font-family: "Fort Quinsy", "Trebuchet MS", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.2rem;
  color: #222;
}

.main-nav__links a {
  padding-bottom: 0.2rem;
  position: relative;
}

.main-nav__links a.active {
  color: var(--purple);
}

.main-nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.main-nav__links a:hover::after,
.main-nav__links a:focus-visible::after {
  transform: scaleX(1);
}

@media (max-width: 768px) {
  .main-nav {
    flex-direction: column;
  }

  .main-nav__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 540px) {
  .main-nav {
    gap: 1rem;
    padding: 0 6vw;
  }

  .main-nav__logo img {
    width: clamp(70px, 24vw, 96px);
  }

  .main-nav__links {
    gap: 0.6rem 1rem;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
  }
}


.main-nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 2px solid #222;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}

.main-nav__toggle-bars {
  position: relative;
  width: 22px;
  height: 2px;
  background: #222;
  border-radius: 999px;
  transition: transform 0.2s ease;
}

.main-nav__toggle-bars::before,
.main-nav__toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: #222;
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.main-nav__toggle-bars::before {
  top: -7px;
}

.main-nav__toggle-bars::after {
  top: 7px;
}

.main-nav.is-open .main-nav__toggle-bars {
  transform: rotate(45deg);
}

.main-nav.is-open .main-nav__toggle-bars::before {
  transform: rotate(90deg);
  top: 0;
}

.main-nav.is-open .main-nav__toggle-bars::after {
  opacity: 0;
}

@media (max-width: 768px) {
  .main-nav {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .main-nav__toggle {
    display: inline-flex;
  }

  .main-nav__links {
    width: 100%;
    order: 3;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 0 2rem;
    border-radius: 0 0 18px 18px;
    background: transparent;
  }

  .main-nav__links a {
    padding: 0.35rem 0.6rem;
  }

  .main-nav.is-open .main-nav__links {
    display: flex;
  }
}

@media (max-width: 768px) {
  .main-nav {
    flex-direction: row;
  }

  .main-nav__links {
    flex-wrap: nowrap;
  }
}

@media (max-width: 768px) {
  .main-nav {
    padding: 0.35rem 4vw;
    gap: 0.75rem;
  }

  .main-nav__logo img {
    width: clamp(56px, 16vw, 82px);
  }

  .main-nav__toggle {
    width: 38px;
    height: 38px;
    border: 0;
    background: transparent url("../assets/hamburger%20menu%20icona.png") center/contain no-repeat;
  }

  .main-nav__toggle-bars {
    display: none;
  }
}

@media (max-width: 540px) {
  .main-nav {
    padding: 0.3rem 5vw;
  }

  .main-nav__logo img {
    width: clamp(48px, 18vw, 70px);
  }

  .main-nav__toggle {
    width: 34px;
    height: 34px;
  }
}