/* Header fisso: nome, navigazione, telefono e CTA sempre visibili */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.92);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur-base) var(--ease-out);
}

.site-header.is-scrolled,
body.menu-open .site-header {
    border-bottom-color: var(--color-hair);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    height: 100%;
}

/* Brand */
.brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    color: var(--color-ink);
}

.brand:hover {
    color: var(--color-ink);
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.2rem;
    letter-spacing: -0.012em;
}

.brand-role {
    font-size: var(--text-xs);
    color: var(--color-muted);
    margin-top: 3px;
}

.site-branding .custom-logo {
    max-height: 48px;
    width: auto;
}

/* Navigazione desktop */
.nav-list {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2.2vw, 2.25rem);
}

.nav-list a {
    position: relative;
    display: inline-block;
    padding: 0.35rem 0;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.98rem;
    color: var(--color-ink-soft);
}

.nav-list a::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1.5px;
    background: var(--color-petrol);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--dur-fast) var(--ease-out);
}

.nav-list a:hover,
.nav-list .current-menu-item > a {
    color: var(--color-ink);
}

.nav-list a:hover::after,
.nav-list .current-menu-item > a::after {
    transform: scaleX(1);
}

/* Azioni */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.45em;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.98rem;
    color: var(--color-ink);
    white-space: nowrap;
}

.header-phone .icon {
    color: var(--color-petrol);
    font-size: 1.15em;
}

.header-phone:hover {
    color: var(--color-petrol);
}

/* Hamburger */
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-ink);
}

.menu-toggle .icon {
    font-size: 1.6rem;
}

.menu-toggle .icon-close {
    display: none;
}

.menu-toggle[aria-expanded="true"] .icon-open {
    display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
    display: inline-block;
}

/* Menu mobile a tutto schermo */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    display: none;
    flex-direction: column;
    gap: var(--space-lg);
    padding: var(--space-lg) var(--gutter) calc(var(--space-lg) + var(--mobile-bar-height));
    background: var(--color-porcelain);
    overflow-y: auto;
}

.mobile-menu.is-open {
    display: flex;
    animation: menu-in var(--dur-base) var(--ease-out) both;
}

@keyframes menu-in {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.mobile-menu .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
}

.mobile-menu .nav-list a {
    display: block;
    padding: 0.9rem 0;
    font-size: 1.45rem;
    color: var(--color-ink);
    border-bottom: 1px solid var(--color-hair);
}

.mobile-menu .nav-list a::after {
    display: none;
}

.mobile-menu-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mobile-menu-contact a:not(.btn) {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--color-ink);
}

.mobile-menu-contact a:not(.btn) .icon {
    color: var(--color-petrol);
    font-size: 1.3em;
}

@media (max-width: 900px) {
    .site-nav,
    .header-phone {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .header-actions {
        gap: var(--space-xs);
    }

    .header-actions .btn {
        padding: 0.6em 0.95em;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 1.05rem;
    }

    .brand-role {
        display: none;
    }

    .hide-narrow {
        display: none;
    }
}