/* === Author page === */
/* Extends style.css. Only page-specific components live here. */

/* --- Hero --- */
.author-hero {
    padding: 160px 0 80px;
}

.author-hero-inner {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 56px;
    align-items: center;
}

.author-portrait img {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    display: block;
}

.author-intro h1 {
    margin-bottom: 12px;
}

.author-role {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--gray-600);
}

.author-lede {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
    max-width: 620px;
    margin-top: 20px;
}

.author-links {
    margin-top: 32px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* --- Biography --- */
.author-bio {
    background: var(--gray-100);
}

.bio-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    align-items: start;
}

.bio-body h2 {
    margin-bottom: 24px;
}

.bio-body p {
    color: var(--gray-600);
    line-height: 1.75;
    margin-bottom: 18px;
    max-width: 68ch;
}

.bio-body a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.bio-body a:hover {
    border-bottom-color: var(--accent);
}

.bio-facts {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 28px;
}

.bio-photo {
    margin: 0 0 24px;
}

.bio-photo img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

.bio-photo figcaption {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-top: 10px;
    line-height: 1.5;
}

.bio-fact {
    padding-top: 18px;
    margin-top: 18px;
    border-top: 1px solid var(--gray-200);
}

.bio-fact h4 {
    color: var(--gray-600);
    margin-bottom: 6px;
}

.bio-fact p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Publications --- */
.pub-list {
    list-style: none;
    margin-top: 48px;
    display: grid;
    gap: 20px;
}

.pub-item {
    padding: 32px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.pub-item:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
}

.pub-meta {
    display: flex;
    gap: 14px;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.pub-year {
    color: var(--accent);
    font-weight: 600;
}

.pub-venue {
    color: var(--gray-600);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0;
    text-transform: none;
}

.pub-item h3 {
    font-size: 1.2rem;
    line-height: 1.35;
    margin-bottom: 12px;
}

.pub-item h3 a {
    color: var(--black);
    text-decoration: none;
    border-bottom: 1px solid var(--gray-200);
    transition: border-color 0.2s ease, color 0.2s ease;
}

.pub-item h3 a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.pub-item p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 72ch;
}

.pub-tags {
    margin-top: 12px;
    font-size: 0.82rem !important;
    color: var(--gray-600);
}

.pub-subhead {
    margin-top: 72px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* --- Software --- */
.author-software {
    background: var(--gray-100);
}

.author-software .tech-card {
    background: var(--white);
}

/* --- Experience timeline --- */
.timeline {
    list-style: none;
    margin-top: 48px;
    border-left: 2px solid var(--gray-200);
    padding-left: 0;
}

.timeline-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 32px;
    padding: 22px 0 22px 32px;
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -7px;
    top: 30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--gray-400);
}

.timeline-item:hover::before {
    border-color: var(--accent);
    background: var(--accent);
}

.timeline-date {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-600);
    padding-top: 2px;
}

.timeline-body h3 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.timeline-body p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* --- Accessibility --- */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .bio-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
    .author-hero {
        padding: 130px 0 60px;
    }
    .author-hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: left;
    }
    .author-portrait {
        max-width: 180px;
    }
    .pub-item { padding: 24px; }
    .pub-meta { flex-wrap: wrap; gap: 8px; }
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 6px;
        padding-left: 24px;
    }
    .pub-subhead { margin-top: 56px; }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}