/* --------------------------------------------- */
/* Navbar                                        */
/* --------------------------------------------- */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;

    width: 100%;
    padding: 10px 12px;

    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(8, 13, 24, 0.82);
    backdrop-filter: blur(22px);
    box-shadow: 0 16px 46px rgba(0, 0, 0, 0.24);
}

#navbar-placeholder {
    position: sticky;
    top: 16px;
    z-index: 200;
    margin: 16px 16px 0;
}

/* --------------------------------------------- */
/* Brand                                         */
/* --------------------------------------------- */

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    color: var(--text);
    text-decoration: none;
}

.brand-logo-wrap {
    display: inline-flex;
    width: 46px;
    height: 46px;
    border-radius: 16px;
    overflow: hidden;
    flex: 0 0 auto;
}

.brand-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 62%;
    display: block;
    transform: scale(1.8) translateY(2px);
    backface-visibility: hidden;
    image-rendering: -webkit-optimize-contrast;
}

.brand-text {
    color: var(--text);
    font-size: 15px;
    font-weight: 950;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

/* --------------------------------------------- */
/* Navigation                                    */
/* --------------------------------------------- */

.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.site-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 38px;
    padding: 0 13px;

    border-radius: 999px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;

    transition:
        background 160ms ease,
        color 160ms ease,
        transform 160ms ease,
        box-shadow 160ms ease;
}

.site-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    transform: translateY(-1px);
}

.site-nav a.is-active {
    background:
        linear-gradient(180deg, rgba(125, 211, 252, 0.18), rgba(125, 211, 252, 0.08));
    color: var(--text);
    box-shadow:
        inset 0 0 0 1px rgba(125, 211, 252, 0.32),
        0 10px 24px rgba(125, 211, 252, 0.08);
}

.site-nav a.is-active:hover {
    transform: none;
}

.site-nav .nav-cta {
    margin-left: 4px;
    background: linear-gradient(135deg, var(--accent), #a5f3fc);
    color: var(--dark-text);
    font-weight: 950;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 5px auto;
    border-radius: 999px;
    background: var(--text);
}

@media (max-width: 820px) {
    #navbar-placeholder {
        position: sticky;
        top: 10px;
        z-index: 2000;
        margin: 10px;
    }

    .site-header {
        width: 100%;
        min-height: 58px;
        padding: 7px 8px;
        gap: 8px;
        border-radius: 999px;
    }

    .brand {
        min-width: 0;
        flex: 1 1 auto;
        gap: 8px;
    }

    .brand-logo-wrap {
        width: 38px;
        height: 38px;
        border-radius: 13px;
    }

    .brand-text {
        max-width: 185px;
        overflow: hidden;
        font-size: 11px;
        line-height: 1.1;
        letter-spacing: 0.02em;
        white-space: nowrap;
        text-overflow: ellipsis;
    }

    .nav-toggle {
        display: grid;
        place-items: center;
        flex: 0 0 42px;
        width: 42px;
        height: 42px;
        position: relative;
        z-index: 3001;
        background: rgba(255, 255, 255, 0.12);
    }

    .nav-toggle span {
        grid-area: 1 / 1;
        width: 18px;
        height: 2px;
        margin: 0;
        background: var(--text);
        transition: transform 180ms ease;
    }

    .nav-toggle span:first-child {
        transform: translateY(-4px);
    }

    .nav-toggle span:last-child {
        transform: translateY(4px);
    }

    body.nav-open .nav-toggle span:first-child {
        transform: rotate(45deg);
    }

    body.nav-open .nav-toggle span:last-child {
        transform: rotate(-45deg);
    }

    .site-nav {
        position: fixed;
        inset: 0;
        z-index: 3000;

        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;

        width: 100vw;
        height: 100vh;
        gap: 12px;
        padding: 120px 22px 34px;

        background:
            radial-gradient(circle at top, rgba(125, 211, 252, 0.14), transparent 38%),
            #080d18;

        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-8px);

        transition:
            opacity 220ms ease,
            visibility 220ms ease,
            transform 220ms ease;
    }

    .site-nav.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .site-nav a {
        width: min(330px, calc(100vw - 44px));
        min-height: 52px;
        padding: 0 18px;
        font-size: 16px;
    }

    .site-nav .nav-cta {
        margin-left: 0;
        margin-top: 6px;
    }

    body.nav-open #navbar-placeholder {
        position: fixed;
        top: 10px;
        left: 10px;
        right: 10px;
        z-index: 4000;
        margin: 0;
    }

    body.nav-open {
        overflow: hidden;
    }

    body.nav-open .site-header {
        width: 100%;
        background: rgba(255, 255, 255, 0.055);
        border-color: rgba(255, 255, 255, 0.14);
        box-shadow: none;
    }
}