:root {
    --gmm-viola: #6e1d9d;
    --gmm-pink: #d81b60;
    --gmm-grad-transparent: linear-gradient(135deg, rgba(110, 29, 157, 0.65), rgba(216, 27, 96, 0.65));
    --gmm-grad-solid: linear-gradient(135deg, rgba(110, 29, 157, 1), rgba(216, 27, 96, 1));
}

#gmm-global-header {
    position: fixed;
    top: 0;
    width: 100%;
    color: #fff;
    padding: 15px 30px;
    box-sizing: border-box;
    z-index: 9999;
    transition: all 0.4s ease-in-out;
    font-family: 'Montserrat', sans-serif;
}

/* Stati di Sfondo */
.header-transparent {
    background: var(--gmm-grad-transparent);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: none;
}

.header-solid {
    background: var(--gmm-grad-solid);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.gmm-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1600px;
    margin: 0 auto;
}

/* Blocco Sinistro (Logo e Nav) */
.gmm-header-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.gmm-logo-container {
    display: flex;
    align-items: center;
}

.gmm-logo {
    height: 45px;
    width: auto;
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 8px; /* Smussatura come da screenshot */
    background-color: transparent; /* Il gradiente è nell'immagine originale, se no impostalo qui */
}

.gmm-nav {
    display: flex;
    gap: 20px;
}

.gmm-nav-link {
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.85;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.gmm-nav-link:hover {
    opacity: 1;
}

.gmm-nav-active {
    opacity: 1;
    border-bottom: 2px solid #fff;
    padding-bottom: 2px;
}

/* Blocco Destro/Centrale (Titoli) */
.gmm-header-center {
    text-align: right; /* Allineato a destra per bilanciare la nav a sinistra */
}

.gmm-stories-brand {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 400;
    opacity: 0.8;
}

.gmm-current-story {
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: 2px;
}

/* Responsive */
@media (max-width: 900px) {
    .gmm-header-content { flex-direction: column; gap: 15px; }
    .gmm-header-center { text-align: center; }
    .gmm-nav { flex-wrap: wrap; justify-content: center; gap: 15px; }
}