.top-strip {
    background: var(--navy);
    color: var(--white);
    font-size: 0.82rem;
}

.top-strip-inner,
.top-strip {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 16px;
}

.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
}

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

.logo img {
    height: 110px;
    width: auto;
    display: block;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.menu-toggle {
    display: none;
    border: 0;
    background: var(--navy);
    color: var(--white);
    cursor: pointer;
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-round);
}

.desktop-search {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
    background: var(--white);
}

.desktop-search input {
    border: 0;
    outline: none;
    padding: 10px 14px;
    min-width: 190px;
    border-radius: 0;
}

.desktop-search button {
    background: var(--navy);
    padding: 10px 16px;
    border-radius: 0;
}

.main-nav {
    background: var(--navy);
    border-bottom: 4px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
}

.nav-link,
.nav-inner > a {
    display: block;
    padding: 16px 17px;
    color: var(--white);
    font-size: 0.86rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.nav-link:hover,
.nav-inner > a:hover {
    background: var(--primary);
    color: var(--white);
}

.nav-item {
    position: static;
}

.mega-menu {
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    background: var(--white);
    color: var(--text);
    display: grid;
    grid-template-columns: 1fr 1fr 1.5fr;
    gap: 32px;
    padding: 32px;
    border-top: 4px solid var(--primary);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(14px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 1000;
}

.has-mega:hover > .mega-menu,
.has-mega.open > .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-column h4,
.mega-feature span {
    color: var(--primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
}

.mega-column a {
    display: block;
    color: var(--text);
    padding: 9px 0;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
}

.mega-column a:hover {
    color: var(--primary);
}

.mega-feature {
    background: linear-gradient(135deg, var(--navy), var(--navy-soft));
    color: var(--white);
    padding: 24px;
}

.mega-feature h3 {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.55rem;
    line-height: 1.2;
    margin: 10px 0;
}

.mega-feature p {
    color: #d1d5db;
}

/* ==========================================================
   MOBILE NAVIGATION
========================================================== */

@media (max-width: 980px) {
    .desktop-search,
    .support-btn {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .main-nav {
        display: none;
        position: static;
        width: 100%;
    }

    .main-nav.open {
        display: block;
    }

    .nav-inner {
        align-items: stretch;
        flex-direction: column;
        justify-content: flex-start;
        width: 100%;
    }

    .nav-link,
    .nav-inner > a {
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        padding: 15px 18px;
        width: 100%;
        white-space: normal;
    }

    .nav-item {
        position: relative;
        width: 100%;
    }

    .has-mega > .nav-link {
        padding-right: 52px;
        position: relative;
    }

    .has-mega > .nav-link::after {
        content: "+";
        position: absolute;
        right: 18px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 1.15rem;
        font-weight: 900;
        line-height: 1;
    }

    .has-mega.open > .nav-link::after {
        content: "−";
    }

    .mega-menu {
        position: static;
        width: 100%;
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 22px;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        box-shadow: none;
        border-top: 0;
        transition: none;
    }

    .has-mega.open > .mega-menu {
        display: grid;
    }

    .has-mega:hover > .mega-menu {
        display: none;
    }

    .has-mega.open:hover > .mega-menu {
        display: grid;
    }

    .mega-column a {
        padding: 11px 0;
    }

    .mega-feature {
        padding: 18px;
    }

    .mega-feature h3 {
        font-size: 1.35rem;
    }

    .brand-row {
        padding: 18px 0;
    }

    .logo img {
        height: 85px;
        width: auto;
        max-width: 100%;
        object-fit: contain;
        flex-shrink: 0;
    }
}

@media (max-width: 768px) {
    .brand-row {
        padding: 14px 0;
    }

    .logo img {
        height: 65px;
        width: auto;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .top-strip,
    .top-strip-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .brand-row {
        padding: 12px 0;
    }

    .logo img {
        height: 52px;
        width: auto;
        max-width: 100%;
    }

    .menu-toggle {
        width: 42px;
        height: 42px;
        font-size: 1.35rem;
    }
}