.c2-sidebar {
    width: 320px; /* Lebar fixed untuk sidebar desktop */
    min-width: 320px;
    height: 100vh;
    background: var(--t-surface);
    border-right: 1px solid var(--t-border);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
}

.c2-logo {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 10px;
    color: var(--t-text);
}

.c2-role {
    font-size: 15px;
    color: var(--t-text);
    opacity: 0.7;
    margin-bottom: 60px;
    line-height: 1.6;
}

.c2-menu {
    list-style: none;
    margin-bottom: auto;
}

.c2-menu li {
    font-size: 16px;
    font-weight: 600;
    color: var(--t-text);
    opacity: 0.5;
    margin-bottom: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.c2-menu li:hover, .c2-menu li.active {
    opacity: 1;
    color: var(--t-accent);
    transform: translateX(5px);
}

.c2-contact {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--t-text);
    text-decoration: none;
    transition: color 0.3s;
}

.c2-contact:hover {
    color: var(--t-accent);
}

/* Responsif untuk HP (Sidebar jadi header di atas) */
@media (max-width: 768px) {
    .c2-container { flex-direction: column; }
    .c2-sidebar { width: 100%; min-width: 100%; height: auto; padding: 30px 20px; border-right: none; border-bottom: 1px solid var(--t-border); }
    .c2-role { margin-bottom: 30px; }
    .c2-menu { display: flex; gap: 15px; overflow-x: auto; margin-bottom: 30px; padding-bottom: 10px; }
    .c2-menu li { margin-bottom: 0; white-space: nowrap; font-size: 14px; }
}