#sidebar.open {
    transform: translateX(0);
}

#overlay.show {
    opacity: 1;
    pointer-events: auto;
}

/* =========================
   HAMBURGER ANIMATION
========================= */
.hamburger,
.hamburger::before,
.hamburger::after {
    content: '';
    width: 22px;
    height: 2px;
    background: white;
    position: relative;
    display: block;
    transition: all 0.3s ease;
}

.hamburger::before {
    position: absolute;
    top: -7px;
}

.hamburger::after {
    position: absolute;
    top: 7px;
}

#menuBtn.active .hamburger {
    background: transparent;
}

#menuBtn.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
    background: #FF0000;
}

#menuBtn.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
    background: #FF0000;
}

/* =========================
   NAV LINK ANIMATION
========================= */
.nav-link {
    transition: all 0.4s ease;
}

#sidebar.open .nav-link {
    opacity: 1;
    transform: translateX(0);
}

/* stagger animation */
#sidebar.open .nav-link:nth-child(1) {
    transition-delay: 0.05s;
}

#sidebar.open .nav-link:nth-child(2) {
    transition-delay: 0.10s;
}

#sidebar.open .nav-link:nth-child(3) {
    transition-delay: 0.15s;
}

#sidebar.open .nav-link:nth-child(4) {
    transition-delay: 0.20s;
}

#sidebar.open .nav-link:nth-child(5) {
    transition-delay: 0.25s;
}

/* smooth hover glow */
.nav-link:hover {
    background: rgba(255, 0, 0, 0.08);
    padding-left: 18px;
}

/* logo subtle animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.4s ease;
}