/* Vertical Tech Stack (Scroll-Linked) */
.vertical-tech-stack {
    height: 80vh;
    /* Fixed height to ensuring sticking and scrolling window */
    overflow: hidden;
    position: relative;
    margin-top: 0;
    margin-right: 0;
    width: 60px;
    /* Gradient mask to make icons fade out at the bottom */
    mask-image: linear-gradient(to bottom, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 90%, transparent 100%);
}

.vertical-marquee-track {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    /* Increased gap for cleaner look */
    width: 100%;
    padding-top: 20px;
    padding-bottom: 50px;
    will-change: transform;
}


.vertical-tech-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    /* Slightly smaller or just fit content */
    height: 40px;
    /* Removed background, border, radius */
    background: transparent;
    border: none;
    border-radius: 0;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin: 0 auto;
}

.vertical-tech-item:hover {
    /* Removed transform scale if it clashes, or keep it. Restore grayscale/opacity on hover. */
    /* The hover effect is now applied to the img/i child elements */
}

.vertical-tech-item img,
.vertical-tech-item i {
    width: 24px;
    height: 24px;
    object-fit: contain;
    font-size: 24px;
    /* Make icons black and white */
    filter: grayscale(100%) opacity(0.5);
    transition: all 0.3s ease;
}

.vertical-tech-item:hover img,
.vertical-tech-item:hover i {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.2);
}

/* Adjust left area to accommodate tech stack side-by-side */
.left-area {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    /* Align top so profile stays pinned */
    justify-content: center;
}

.author-profile {
    flex: 1;
    /* Allow profile to take remaining width */
    width: auto;
    /* Reset width */
}