/* SIDEBAR NAVIGATION - CLEAN & MINIMAL */
.sidebar-toggle {
    position: fixed;
    top: 25px;
    left: 25px;
    z-index: 2000;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.sidebar-toggle.scrolled {
    background: white;
    color: #0c4a6e;
    /* --ocean-dark */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.sidebar-toggle:hover {
    transform: scale(1.1);
    background: white;
    color: #0c4a6e;
    /* --ocean-dark */
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 300px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.2);
    z-index: 1999;
    transform: translateX(-105%);
    transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
    padding: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    padding: 3rem 2rem 2rem;
    text-align: center;
}

.sidebar-logo-img {
    max-width: 100px;
    height: auto;
    margin-bottom: 0.5rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-link {
    display: block;
    padding: 1.2rem 2.5rem;
    text-decoration: none;
    color: #444;
    font-weight: 500;
    font-size: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
    letter-spacing: 0.5px;
}

.sidebar-link:first-child {
    border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.sidebar-link:hover {
    background: rgba(0, 0, 0, 0.02);
    color: #0c4a6e;
    /* --ocean-dark */
    padding-left: 2.8rem;
}

.sidebar-footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar-copyright {
    font-size: 0.75rem;
    color: #888;
    margin-top: 1rem;
}

.sidebar-social-link {
    display: inline-flex;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    color: #333;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.sidebar-social-link:hover {
    transform: translateY(-2px);
    color: #0c4a6e;
    /* --ocean-dark */
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(12, 74, 110, 0.3);
    backdrop-filter: blur(4px);
    z-index: 1998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 768px) {
    .sidebar {
        width: 85vw;
        max-width: 320px;
    }
}