/* ==========================================================================
   HEADER.CSS — Header sticky + navigazione + hamburger mobile
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--gf-z-header);
    background: var(--gf-white);
    border-bottom: 1px solid var(--gf-gray-200);
    padding: 16px 0;
    transition: box-shadow var(--gf-transition);
}

.site-header.scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ── Logo ── */

.logo {
    display: inline-flex;
    align-items: flex-end;
    line-height: 1;
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.logo-great {
    color: var(--gf-gray-700);
    border-bottom: 3px solid var(--gf-orange);
    padding-bottom: 2px;
}

.logo-food {
    color: var(--gf-black);
    font-weight: 800;
    padding-bottom: 2px;
}

.logo-img {
    max-height: 48px;
    width: auto;
}

/* ── Nav desktop ── */

.main-nav .nav-list {
    display: flex;
    gap: 36px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav .nav-list li a {
    color: var(--gf-gray-700);
    font-size: 15px;
    font-weight: 400;
    transition: color var(--gf-transition);
}

.main-nav .nav-list li a:hover,
.main-nav .nav-list li.current-menu-item a {
    color: var(--gf-orange);
}

/* ── Hamburger ── */

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
    padding: 0;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--gf-black);
    border-radius: 1px;
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { top: 22px; }

/* Hamburger aperto → X */
.hamburger.is-active span:nth-child(1) {
    top: 11px;
    transform: rotate(45deg);
}
.hamburger.is-active span:nth-child(2) {
    opacity: 0;
}
.hamburger.is-active span:nth-child(3) {
    top: 11px;
    transform: rotate(-45deg);
}

/* ── Menu mobile overlay ── */

.mobile-nav {
    display: none;
    background: var(--gf-white);
    border-top: 1px solid var(--gf-gray-200);
    padding: var(--gf-space-5);
}

.mobile-nav.is-open {
    display: block;
}

.mobile-nav .mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav .mobile-nav-list li {
    border-bottom: 1px solid var(--gf-gray-100);
}

.mobile-nav .mobile-nav-list li a {
    display: block;
    padding: var(--gf-space-3) 0;
    font-size: 16px;
    color: var(--gf-dark);
    font-weight: 500;
    transition: color var(--gf-transition);
}

.mobile-nav .mobile-nav-list li a:hover {
    color: var(--gf-orange);
}

/* ── Responsive ── */

@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }

    .hamburger {
        display: block;
    }
}