.navbar {
    position: fixed;

    top: 0;
    left: 0;
    right: 0;

    z-index: 1000;

    border-bottom:
        1px solid
        rgba(
            255,
            255,
            255,
            0.06
        );

    background:
        rgba(
            9,
            13,
            16,
            0.88
        );

    backdrop-filter:
        blur(20px);
}

.navbar__inner {
    position: relative;

    min-height: 82px;

    display: flex;
    align-items: center;

    gap: 30px;
}

.navbar__logo,
.footer__logo {
    flex-shrink: 0;

    font-size: 23px;
    font-weight: 850;

    letter-spacing: -0.045em;
}

.navbar__logo span,
.footer__logo span {
    color: var(--brand-primary);
}

.navbar__links {
    display: flex;

    align-items: center;

    gap: 26px;

    margin-left: auto;
}

.navbar__links > a,
.nav-menu__trigger {
    color: #d8dee5;

    font-size: 14px;

    transition:
        color 0.2s ease;
}

.navbar__links > a:hover,
.nav-menu__trigger:hover {
    color: var(--brand-primary);
}


/* ========================================================
   MENU
======================================================== */

.nav-menu {
    position: relative;
}

.nav-menu__trigger {
    display: flex;
    align-items: center;

    gap: 6px;

    padding: 28px 0;

    border: none;

    background: transparent;

    font-family: inherit;

    cursor: pointer;
}

.nav-menu__chevron {
    display: inline-block;

    color: var(--text-muted);

    transition:
        transform 0.2s ease;
}

.nav-menu.is-open
.nav-menu__chevron {
    transform:
        rotate(180deg);
}


/* ========================================================
   MEGA MENU
======================================================== */

.mega-menu {
    position: fixed;

    z-index: 1100;

    top: 72px;
    left: 50%;

    width:
        min(
            calc(
                100vw - 64px
            ),
            1080px
        );

    display: grid;

    grid-template-columns:
        0.8fr
        1.2fr;

    gap: 25px;

    padding: 24px;

    border: 1px solid var(--border);
    border-radius: 18px;

    background:
        rgba(
            13,
            18,
            23,
            0.98
        );

    box-shadow:
        0 30px 80px
        rgba(
            0,
            0,
            0,
            0.45
        );

    transform:
        translate(
            -50%,
            -8px
        );

    opacity: 0;
    visibility: hidden;

    pointer-events: none;

    transition:
        opacity 0.18s ease,
        transform 0.18s ease,
        visibility 0.18s ease;
}

.nav-menu.is-open
.mega-menu {
    transform:
        translate(
            -50%,
            0
        );

    opacity: 1;
    visibility: visible;

    pointer-events: auto;
}

.mega-menu__intro {
    padding: 26px;

    border: 1px solid var(--border);
    border-radius: 13px;

    background:
        radial-gradient(
            circle at 30% 10%,
            rgba(
                13,
                116,
                255,
                0.12
            ),
            transparent 55%
        ),
        #0a0f14;
}

.mega-menu__label {
    color: var(--brand-primary);

    font-size: 10px;
    font-weight: 800;

    letter-spacing: 0.12em;
}

.mega-menu__intro h3 {
    max-width: 360px;

    margin-top: 23px;

    font-size: 30px;
    line-height: 1.02;
}

.mega-menu__intro p {
    margin-top: 18px;

    font-size: 14px;
}

.mega-menu__primary-link {
    display: inline-block;

    margin-top: 28px;

    color: var(--brand-primary);

    font-size: 14px;
    font-weight: 700;
}

.mega-menu__links {
    display: grid;

    grid-template-columns:
        1fr
        1fr;

    gap: 8px;
}

.mega-menu__item {
    min-height: 105px;

    display: flex;
    flex-direction: column;

    padding: 18px;

    border: 1px solid transparent;
    border-radius: 11px;

    transition:
        background 0.2s ease,
        border-color 0.2s ease;
}

.mega-menu__item:hover {
    border-color: var(--border);

    background: var(--surface);
}

.mega-menu__item strong {
    color: white;

    font-size: 14px;
}

.mega-menu__item span {
    margin-top: 8px;

    color: var(--text-muted);

    font-size: 12px;
    line-height: 1.5;
}

.mega-menu__item--accent strong {
    color: var(--brand-primary);
}


/* ========================================================
   ACTIONS
======================================================== */

.navbar__actions {
    display: flex;

    align-items: center;

    gap: 10px;
}

.navbar__toggle {
    display: none;

    width: 42px;
    height: 42px;

    margin-left: auto;

    border: 1px solid var(--border);
    border-radius: 8px;

    background: transparent;

    cursor: pointer;
}

.navbar__toggle span {
    width: 18px;
    height: 2px;

    display: block;

    margin: 4px auto;

    background: white;
}


/* A dedicated mobile action keeps sign-in accessible without opening the menu.
   Desktop uses the existing .navbar__actions button. */
.navbar__mobile-signin {
    display: none;
}

@media (max-width: 1050px) {

    .navbar__inner {
        gap: 10px;
    }

    .navbar__mobile-signin {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
        min-height: 44px;
        margin-left: auto;
        padding: 0 14px;
        border: 1px solid var(--border);
        border-radius: 10px;
        color: var(--text-primary);
        background: rgba(255, 255, 255, 0.04);
        font-size: 13px;
        font-weight: 700;
        line-height: 1;
        white-space: nowrap;
    }

    .navbar__mobile-signin:hover,
    .navbar__mobile-signin:focus-visible {
        border-color: var(--brand-primary);
        color: #fff;
    }

    .navbar__mobile-signin:focus-visible {
        outline: 2px solid var(--brand-primary);
        outline-offset: 2px;
    }

    .navbar__toggle {
        flex: 0 0 42px;
        margin-left: 0;
    }

    .navbar__logo {
        font-size: clamp(16px, 4.8vw, 23px);
    }

    .navbar__links,
    .navbar__actions {
        display: none;
    }

    .navbar__toggle {
        display: block;
    }

    .navbar__links.is-open {
        position: absolute;

        top: 82px;
        left: 0;
        right: 0;

        display: flex;
        flex-direction: column;
        align-items: stretch;

        gap: 2px;

        max-height:
            calc(
                100vh - 100px
            );

        overflow-y: auto;

        padding: 14px;

        border: 1px solid var(--border);
        border-radius: 14px;

        background: var(--bg-secondary);

        box-shadow:
            0 30px 70px
            rgba(
                0,
                0,
                0,
                0.4
            );
    }

    .navbar__links.is-open > a {
        padding: 14px;
    }

    .nav-menu__trigger {
        width: 100%;

        justify-content: space-between;

        padding: 14px;

        text-align: left;
    }

    .mega-menu {
        position: static;

        width: 100%;

        display: none;

        grid-template-columns: 1fr;

        margin-top: 4px;

        padding: 10px;

        border-radius: 12px;

        transform: none;

        opacity: 1;
        visibility: visible;

        pointer-events: auto;

        box-shadow: none;
    }

    .nav-menu.is-open
    .mega-menu {
        display: grid;

        transform: none;
    }

    .mega-menu__intro {
        padding: 20px;
    }

    .mega-menu__links {
        grid-template-columns: 1fr;
    }

    .mega-menu__item {
        min-height: auto;
    }

}