/* --- MENU OVERLAY --- */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(249, 249, 249, 0.98);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transform: translateY(-100%);
  transition: transform 0.6s cubic-bezier(.77,0,.175,1);
  z-index: 1500;   /* 👈 sotto l’header */
}

.menu-overlay.active {
  transform: translateY(0);
}

/* Lista menu */
.menu-overlay ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

.menu-overlay ul li {
  margin: 1.5rem 0;
}

.menu-overlay ul li a {
  text-decoration: none;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #111;
  position: relative;
  transition: color 0.3s ease;
}

.menu-overlay ul li a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.4s ease, left 0.4s ease;
}

.menu-overlay ul li a:hover {
  color: var(--accent);
}

.menu-overlay ul li a:hover::after {
  width: 100%;
  left: 0;
}

/* --- HAMBURGER ICON con effetto dorato --- */
.hamburger-btn {
  position: absolute;
  left: clamp(8px, 2vw, 20px);
  top: 50%;
  transform: translateY(-50%);
  width: clamp(20px, 4vw, 40px);
  height: clamp(14px, 2.5vw, 30px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  z-index: 1000; /* sopra al menu */
}

.hamburger-inner {
  width: 100%;
  height: clamp(6px, 1vw, 10px);
  display: block;
  position: relative;
}

.hamburger-inner span {
  position: absolute;
  left: 0;
  width: 80%;
  height: clamp(1.5px, 0.2vw, 3px);
  border-radius: clamp(2px, 0.3vw, 4px);
  background: #333;
  display: block;
  transition: background 0.3s ease, transform 0.35s cubic-bezier(.68,-0.55,.27,1.55);
  transform-origin: center;
}

/* Effetto hover dorato */
.hamburger-btn:hover .hamburger-inner span {
  background: var(--accent);
}

@media (max-width: 600px) {
  .menu-overlay ul li a {
    font-size: 1.6rem;
    padding: 0 1rem;
  }
}