/* Section Header CSS - ZenithGroup */
.top-bar {
    background: #081a2c;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    padding: 9px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-bar .section-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 24px;
}
.top-bar a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.top-bar a:hover {
    color: var(--accent);
}
.stock-badge {
    background: rgba(197, 155, 39, 0.15);
    color: var(--accent);
    border: 1px solid rgba(197, 155, 39, 0.35);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.site-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.site-header.is-sticky {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.header-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--dark);
}
.logo-mark {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--primary), #0a1c2e);
    color: var(--accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 6px 16px rgba(15, 41, 66, 0.3);
    flex-shrink: 0;
    border: 1px solid rgba(197, 155, 39, 0.3);
}
.logo-text {
    display: flex;
    flex-direction: column;
}
.brand-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.1;
    color: var(--dark);
}
.brand-title .accent-text {
    color: var(--accent);
}
.brand-sub {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    color: var(--gray);
}

.nav-menu {
    display: flex;
    align-items: center;
}
.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 6px;
}
.nav-link {
    display: inline-block;
    padding: 8px 14px;
    text-decoration: none;
    color: var(--dark);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    transition: var(--transition);
}
.nav-link:hover {
    color: var(--accent);
    background: var(--light);
}
.nav-link.active {
    color: var(--accent);
    background: var(--light);
    font-weight: 700;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--dark);
    cursor: pointer;
    padding: 6px;
}

@media (max-width: 991px) {
    .top-bar-left {
        display: none;
    }
    .mobile-toggle {
        display: block;
    }
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px 24px;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--border);
        display: none;
    }
    .nav-menu.active {
        display: flex;
    }
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 6px;
    }
    .nav-link {
        width: 100%;
        padding: 12px 16px;
    }
}