:root {
    /* -- Borders -- */
    --color-border-nav:          #30363d;
    --color-border-subtle-nav:   #21262d;

    /* -- Accent (blue) -- */
    --color-accent-nav:          #58a6ff;

    /* -- Gradient stops -- */
    --color-grad-1-nav:          #7ee8fa;
    --color-grad-2-nav:          #58a6ff;
    --color-grad-3-nav:          #a78bfa;
    --color-grad-4-nav:          #c084fc;

    /* -- Text -- */
    --color-text-nav:            #c9d1d9;
    --color-text-muted-nav:      #6e7681;
}

.navebar {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    background: transparent;
    backdrop-filter: blur(0px);
    color: var(--color-text-nav);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    z-index: 1000;
    transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}

.navebar.scrolled {
    background: rgba(13, 17, 23, 0.88);
    backdrop-filter: blur(12px);
    padding: 10px 40px;
    box-shadow: 0 1px 0 var(--color-border-nav);
}

.logo {
    height: 50px;
    width: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border-nav);
}

.navebar-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.navebar-menu li a {
    text-decoration: none;
    color: var(--color-text-muted-nav);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    transition: color 0.3s ease;
}

.navebar-menu li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-grad-1-nav), var(--color-grad-2-nav), var(--color-grad-3-nav));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.navebar-menu li a:hover,
.navebar-menu li a.active {
    color: var(--color-text-nav);
}

.navebar-menu li a:hover::after,
.navebar-menu li a.active::after {
    width: 100%;
}

.navebar-toggle {
    display: none;
}

.language-switch {
    display: flex;
    align-items: center;
    gap: 8px;
}

.language-switch a {
    text-decoration: none;
    color: var(--color-text-muted-nav);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--color-border-nav);
    border-radius: 999px;
    padding: 4px 8px;
    line-height: 1;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.language-switch a:hover,
.language-switch a.active {
    background: var(--color-accent-nav);
    color: #0d1117;
    border-color: var(--color-accent-nav);
}

@media (max-width: 768px) {

    .navebar {
        padding: 14px 20px;
    }

    .navebar.scrolled {
        padding: 10px 20px;
    }

    .navebar-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        z-index: 1100;
        padding: 4px;
    }

    .navebar-toggle span {
        width: 24px;
        height: 2px;
        border-radius: 2px;
        background-color: var(--color-text-nav);
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .navebar-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .navebar-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .navebar-toggle.active span:nth-child(3) {
        opacity: 0;
        transform: scaleX(0);
    }

    .navebar-toggle.active span:nth-child(4) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .navebar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: flex;
        flex-direction: column;
        background: rgba(13, 17, 23, 0.97);
        backdrop-filter: blur(12px);
        border-top: 1px solid var(--color-border-nav);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
        padding: 0;
        margin: 0;
        align-items: center;
        text-align: center;
    }

    .navebar-menu.active {
        max-height: 400px;
    }

    .navebar-menu li {
        width: 100%;
    }

    .navebar-menu li a {
        display: block;
        width: 100%;
        padding: 18px 0;
        font-size: 1.05rem;
        font-weight: 500;
        letter-spacing: 0.3px;
        border-bottom: 1px solid var(--color-border-subtle-nav);
        transition: background 0.25s ease, color 0.25s ease;
    }

    .navebar-menu li:last-child a {
        border-bottom: none;
    }

    .navebar-menu li a:hover {
        background: rgba(88, 166, 255, 0.06);
    }

    .language-switch {
        margin-right: 10px;
    }

    .language-switch a {
        font-size: 0.75rem;
        padding: 4px 7px;
    }

}