/* =============================================
   NAV.CSS – Fixed Navbar + Social Sidebar
   ============================================= */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: var(--transition-default);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    padding: 12px 40px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav-brand {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--color-text);
    position: relative;
    padding-bottom: 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-default);
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Social Sidebar */
.social-sidebar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.social-sidebar a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 50%;
    color: var(--color-text);
    font-size: 1rem;
    transition: var(--transition-default);
}

.social-sidebar a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: scale(1.15);
}

.social-sidebar a svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Mobile Menu Overlay */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.97);
        backdrop-filter: blur(20px);
        padding: 100px 40px;
        gap: 25px;
        transition: right 0.4s ease;
    }

    .nav-links.open {
        right: 0;
    }

    .social-sidebar {
        display: none;
    }
}