.portfolio-menu-open {
    overflow: hidden;
}

.portfolio-mobile-shell {
    position: relative;
    z-index: 60;
}

.portfolio-mobile-backdrop {
    position: fixed;
    inset: 0;
    border: 0;
    background: rgba(2, 6, 23, 0.6);
    backdrop-filter: blur(8px);
}

.portfolio-mobile-panel {
    position: fixed;
    top: 5.5rem;
    left: 1rem;
    right: 1rem;
    border: 1px solid rgb(var(--color-line) / 0.8);
    border-radius: 1.5rem;
    background: rgb(var(--color-card) / 0.98);
    box-shadow: 0 24px 70px -40px rgba(3, 7, 18, 0.9);
    padding: 1rem;
}

.portfolio-mobile-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.portfolio-mobile-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: rgb(var(--color-brand));
}

.portfolio-mobile-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0 1rem;
    border: 1px solid rgb(var(--color-line) / 0.8);
    border-radius: 9999px;
    color: rgb(var(--color-foreground));
}

.portfolio-mobile-nav {
    display: grid;
    gap: 0.5rem;
}

.portfolio-mobile-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 3rem;
    padding: 0.85rem 1rem;
    border: 1px solid rgb(var(--color-line) / 0.75);
    border-radius: 1rem;
    background: rgb(var(--color-surface) / 0.5);
    color: rgb(var(--color-foreground));
}

.portfolio-mobile-nav a[aria-current="page"] {
    border-color: rgb(var(--color-brand) / 0.45);
    color: rgb(var(--color-brand));
}

.portfolio-mobile-cta {
    justify-content: center;
    background: rgb(var(--color-brand));
    color: rgb(2 6 23);
    font-weight: 600;
}