.blog-main {
    width: min(calc(100% - 3rem), 62rem);
    margin-inline: auto;
    padding: 3rem 0 5rem;
    position: relative;
}

.blog-main::before {
    content: "";
    position: absolute;
    top: 3rem;
    bottom: 3rem;
    left: 0.65rem;
    width: 0.125rem;
    background: color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.timeline-year {
    position: relative;
    margin: 2.5rem 0 1.5rem;
    padding-left: 2.8rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.timeline-year::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0.65rem;
    z-index: 1;
    width: 1.3rem;
    height: 1.3rem;
    border: 0.2rem solid var(--color-page);
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 0.125rem var(--color-primary);
    transform: translate(-50%, -50%);
}

.timeline-year span,
.video-tag {
    width: fit-content;
    border-radius: var(--radius-pill);
    color: var(--color-primary);
    background: var(--color-primary-soft);
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.timeline-year span {
    padding: 0.25rem 0.85rem;
}

.timeline-year hr {
    flex: 1;
    margin: 0;
    border: 0;
    border-top: 1px solid var(--color-border);
}

.timeline-entry {
    position: relative;
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: 1.5rem 1fr;
    gap: 1.5rem;
}

.timeline-dot {
    padding-top: 1.15rem;
    display: flex;
    justify-content: center;
}

.timeline-dot::before {
    content: "";
    z-index: 1;
    width: 0.65rem;
    height: 0.65rem;
    border: 0.125rem solid var(--color-primary);
    border-radius: 50%;
    background: var(--color-page);
}

.video-card {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(16rem, 1fr);
    overflow: hidden;
    border: 1px solid var(--color-border-soft);
    border-radius: 0.875rem;
    background: var(--color-surface-raised);
    box-shadow: var(--shadow-soft);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.video-card:hover {
    box-shadow: var(--shadow-raised);
    transform: translateY(-0.15rem);
}

.video-card.featured {
    border-left: 0.2rem solid var(--color-primary);
}

.video-embed {
    position: relative;
    min-height: 18rem;
    background: #000;
}

.video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-info {
    padding: 1.25rem 1.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.video-tag {
    padding: 0.18rem 0.6rem;
    font-size: 0.68rem;
}

.video-info h2 {
    margin: 0;
    font-size: 1rem;
}

.video-info p {
    flex: 1;
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.82rem;
    text-align: left;
}

.video-meta {
    margin-top: auto;
    padding-top: 0.75rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.45rem;
    border-top: 1px solid var(--color-border-soft);
    color: var(--color-text-muted);
    font-size: 0.72rem;
}

.author-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-text-soft);
    font-weight: 650;
}

.author-avatar {
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    object-fit: cover;
}

@media (max-width: 48rem) {
    .video-card {
        grid-template-columns: 1fr;
    }

    .video-embed {
        min-height: 0;
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 36rem) {
    .blog-main {
        width: min(calc(100% - 2rem), 62rem);
    }

    .blog-main::before,
    .timeline-dot {
        display: none;
    }

    .timeline-entry {
        grid-template-columns: 1fr;
    }

    .timeline-year {
        padding-left: 0;
    }

    .timeline-year::before {
        display: none;
    }
}