/* =========================================================
   nav.css
   Header + navigation + hamburger + SEO/AEO label fit + mobile behavior
   ========================================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

/* Tier 1 */
.top-header {
    background: #000;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.top-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: nowrap;
}

.logo-wrapper {
    display: inline-flex;
    align-items: center;
    background: #9BE37A;
    border-radius: 14px;
    padding: 6px 12px;
}

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

.primary-nav {
    margin-left: auto;
    display: flex;
    gap: 10px; /* tightened for longer labels */
    align-items: center;
}

    .primary-nav a,
    .secondary-nav a {
        color: #eaeaea;
        text-decoration: none;
        font-weight: 600;
        letter-spacing: .2px;
        padding: 8px 9px;
        border-radius: 10px;
        font-size: .95rem;
    }

        .primary-nav a:hover,
        .secondary-nav a:hover {
            background: rgba(120,255,160,.10);
            color: #baffcf;
        }

        /* CTA (Start Analysis) */
        .primary-nav a.cta,
        .secondary-nav a.cta {
            background: var(--green);
            color: #000;
            font-weight: 950;
            border-radius: 12px;
        }

            .primary-nav a.cta:hover,
            .secondary-nav a.cta:hover {
                background: #55ff88;
                color: #000;
            }

/* Hamburger */
.hamburger {
    margin-left: auto;
    width: 44px;
    height: 40px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.04);
    border-radius: 12px;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}

    .hamburger span {
        display: block;
        width: 18px;
        height: 2px;
        background: #baffcf;
        border-radius: 999px;
    }

/* Tier 2 */
.sub-header {
    background: #070707;
    border-bottom: 1px solid rgba(120,255,160,.18);
}

.secondary-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
}

    .secondary-nav::-webkit-scrollbar {
        display: none;
    }

    .secondary-nav a {
        color: #d4d4d4;
        white-space: nowrap;
        font-size: .92rem;
        padding: 7px 9px;
    }

        .secondary-nav a:hover {
            color: var(--green);
        }

/* Mobile */
@media (max-width: 900px) {
    .hamburger {
        display: inline-flex;
    }

    /* Hide primary nav until toggled */
    .primary-nav {
        display: none;
        width: 100%;
        margin-left: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        padding-top: 8px;
    }

        .primary-nav.show {
            display: flex;
        }

        .primary-nav a {
            width: 100%;
            padding: 10px 10px;
        }

    /* Single nav on mobile */
    .sub-header {
        display: none;
    }

    .top-header-inner {
        flex-wrap: wrap;
    }
}