/* Hamburger button (top-left) */
.menu-toggle {
    position: fixed;
    top: 1.4rem;
    left: 1.4rem;
    width: 2.4rem;
    height: 2.4rem;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    width: 1.8rem;
    height: 2px;
    background: rgba(240, 237, 230, 0.75);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.menu-toggle:hover span {
    background: rgba(240, 237, 230, 1);
}

/* X state when open */
.menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Slide-in panel */
.menu-panel {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 18rem;
    max-width: 80vw;
    background: rgba(10, 18, 10, 0.92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-right: 1px solid rgba(240, 237, 230, 0.08);
    transform: translateX(-100%);
    transition: transform 0.35s ease;
    z-index: 1000;
    padding: 5.5rem 2rem 2rem;
    display: flex;
    flex-direction: column;
}

.menu-panel.open {
    transform: translateX(0);
}

.menu-panel a {
    display: block;
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: 1.1rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(240, 237, 230, 0.75);
    text-decoration: none;
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(240, 237, 230, 0.08);
    transition: color 0.25s ease, padding-left 0.25s ease;
}

.menu-panel a:hover {
    color: #f0ede6;
    padding-left: 0.4rem;
}

/* Dim backdrop when menu is open */
.menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    z-index: 999;
}

.menu-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}