/* Vertical Scrollspy Styles */
.scrollspy-nav {
    position: fixed;
    top: 50%;
    left: 2rem;
    transform: translateY(-50%);
    width: 200px;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    /* Prevent clicks when hidden */
    display: none;
    /* Hidden by default on mobile */
}

/* Show only on desktop */
@media (min-width: 1024px) {
    .scrollspy-nav {
        display: block;
    }
}

.scrollspy-nav.visible {
    opacity: 1;
    pointer-events: auto;
}

.scrollspy-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-left: 1px solid rgba(0, 0, 0, 0.1);
}

/* Dark mode support if applicable, or generic fallback */
@media (prefers-color-scheme: dark) {
    .scrollspy-list {
        border-left-color: rgba(255, 255, 255, 0.1);
    }
}

.scrollspy-item {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary, #666);
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.5;
    font-family: var(--font-sans, sans-serif);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.scrollspy-item::before {
    content: '';
    position: absolute;
    left: -1px;
    /* Align with border */
    top: 0.4em;
    /* Align vertically with text */
    width: 2px;
    height: 0.8em;
    background: transparent;
    transition: background 0.3s ease;
}

.scrollspy-item:hover {
    opacity: 0.8;
    color: var(--color-text-primary, #000);
}

.scrollspy-item.active {
    opacity: 1;
    color: var(--color-accent, #FF3C00);
    /* Fallback or variable */
    font-weight: 600;
}

.scrollspy-item.active::before {
    background: var(--color-accent, #FF3C00);
}

/* Smooth Scrolling is handled by Lenis or CSS */
html {
    scroll-behavior: smooth;
}