/* ============================================================
   Homepage — layered on top of blog/assets/css/style.css
   (reuses its tokens, header, pills, cards, footer, theme toggle)
   ============================================================ */

html { scroll-behavior: smooth; }
.page-home section[id] { scroll-margin-top: 72px; }

/* Header nav */
.home-nav {
  display: flex;
  gap: 4px;
}
.home-nav a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 6px 10px;
  border-radius: 999px;
}
.home-nav a:hover {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  text-decoration: none;
}
@media (max-width: 720px) { .home-nav { display: none; } }

/* ============================================================
   Intro
   ============================================================ */
.home-hero {
  padding: 72px 0 40px;
  border-bottom: 1px solid var(--color-border);
}
.home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 56px;
  align-items: center;
}
.home-hero h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  line-height: 1.05;
  margin: 0 0 20px;
}
.home-lede {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 0 28px;
}
.home-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.btn {
  display: inline-flex;
  align-items: center;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-ink);
}
.home-social {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
}
.home-social a { color: var(--color-text-muted); }
.home-social a:hover { color: var(--color-accent); }

.home-portrait {
  position: relative;
  justify-self: end;
  width: 100%;
  max-width: 300px;
}
.home-portrait::before {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border-radius: var(--radius-lg);
  background:
    repeating-linear-gradient(135deg, hsl(var(--part-0) / 0.22) 0 2px, transparent 2px 12px),
    hsl(var(--part-0) / 0.10);
}
.home-portrait img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.home-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin: 56px 0 0;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.home-stats > div {
  background: var(--color-bg-elevated);
  padding: 18px 20px;
}
.home-stats dt {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.2;
}
.home-stats dd {
  margin: 4px 0 0;
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

@media (max-width: 860px) {
  .home-hero { padding-top: 44px; }
  .home-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .home-portrait { order: -1; justify-self: start; max-width: 180px; }
  .home-stats { grid-template-columns: repeat(2, 1fr); }
  .home-stats > div:last-child { grid-column: span 2; }
}

/* ============================================================
   Sections
   ============================================================ */
.home-section {
  padding: 72px 0 24px;
}
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: 30px;
}
.section-heading h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.5vw, 2.2rem);
  font-weight: 600;
  margin: 0;
}
.section-heading p {
  margin: 0;
  color: var(--color-text-muted);
}

/* ============================================================
   Experience timeline
   ============================================================ */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 28px;
  border-left: 2px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.timeline-item {
  position: relative;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 24px 18px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.timeline-item:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-md); }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-border-strong);
}
.timeline-item.is-current::before {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}
.timeline-head {
  display: flex;
  justify-content: space-between;
  gap: 8px 24px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.timeline-head h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}
.timeline-role {
  margin: 2px 0 0;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.94rem;
}
.timeline-when {
  margin: 0;
  text-align: right;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.timeline-when span {
  display: block;
  font-weight: 400;
  color: var(--color-text-faint);
}
.timeline-item ul {
  margin: 0 0 14px;
  padding-left: 1.2em;
  font-size: 0.98rem;
}
.timeline-item li { margin-bottom: 0.45em; }
.timeline-item code {
  font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 0.86em;
  background: var(--color-code-bg);
  padding: 0.1em 0.35em;
  border-radius: 5px;
}
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}
@media (max-width: 560px) {
  .timeline { padding-left: 20px; }
  .timeline-item { padding: 18px 18px 14px; }
  .timeline-item::before { left: -28px; }
  .timeline-when { text-align: left; }
}

/* ============================================================
   Writing (blog series)
   ============================================================ */
.series-banner {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.series-banner-top {
  padding: 28px 28px 24px;
  background:
    radial-gradient(90% 140% at 0% 0%, hsl(var(--part-0) / 0.16), transparent 60%),
    radial-gradient(90% 140% at 100% 100%, hsl(var(--part-3) / 0.14), transparent 60%);
  border-bottom: 1px solid var(--color-border);
}
.series-banner-top h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 10px;
}
.series-banner-top h3 a { color: var(--color-text); }
.series-banner-top p {
  margin: 0 0 16px;
  color: var(--color-text-muted);
  max-width: 680px;
}
.series-banner-top .hero-meta { margin-bottom: 18px; }

.series-parts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.series-part {
  padding: 22px 28px 20px;
  border-bottom: 1px solid var(--color-border);
}
.series-part:nth-child(odd) { border-right: 1px solid var(--color-border); }
.series-part:nth-last-child(-n+2) { border-bottom: none; }
.series-part h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.series-part h4 .part-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}
.series-part ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.series-part li a {
  display: grid;
  grid-template-columns: 2.2em minmax(0, 1fr) auto;
  gap: 8px;
  align-items: baseline;
  padding: 6px 8px;
  margin: 0 -8px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.4;
}
.series-part li a:hover { background: var(--color-accent-soft); text-decoration: none; }
.series-part li a:hover .post-title { color: var(--color-accent); }
.series-part .post-num {
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-faint);
}
.series-part .post-time {
  font-size: 0.78rem;
  color: var(--color-text-faint);
  white-space: nowrap;
}
@media (max-width: 760px) {
  .series-parts { grid-template-columns: 1fr; }
  .series-part:nth-child(odd) { border-right: none; }
  .series-part:nth-last-child(2) { border-bottom: 1px solid var(--color-border); }
  .series-banner-top, .series-part { padding-left: 20px; padding-right: 20px; }
  .series-part .post-time { display: none; }
  .series-part li a { grid-template-columns: 2.2em minmax(0, 1fr); }
}

/* ============================================================
   Publications
   ============================================================ */
.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
}
.pub-list > li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}
.pub-year {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text-faint);
  padding-top: 2px;
}
.pub-list h3 {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 4px;
}
.pub-list h3 a { color: var(--color-text); }
.pub-list h3 a:hover { color: var(--color-accent); }
.pub-venue {
  margin: 0 0 2px;
  font-size: 0.9rem;
  font-weight: 600;
  font-style: italic;
  color: var(--color-accent);
}
.pub-authors {
  margin: 0;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}
@media (max-width: 560px) {
  .pub-list > li { grid-template-columns: 1fr; gap: 4px; }
}

/* ============================================================
   Skills, certifications, education
   ============================================================ */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 920px) { .skill-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .skill-grid { grid-template-columns: 1fr; } }
.skill-group, .cred-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.skill-group h3, .cred-card h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin: 0 0 12px;
}
.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}
.cred-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
}
@media (max-width: 600px) { .cred-grid { grid-template-columns: 1fr; } }
.cred-card ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 0.95rem;
}
.cred-card li { margin-bottom: 0.6em; }
.cred-card li:last-child { margin-bottom: 0; }

/* ============================================================
   Contact
   ============================================================ */
.home-contact { padding-bottom: 80px; }
.home-contact h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.5vw, 2.2rem);
  font-weight: 600;
  margin: 0 0 12px;
}
.home-contact p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 0 10px;
}
.home-contact .home-support { font-size: 0.95rem; color: var(--color-text-faint); }

/* ============================================================
   Life events
   ============================================================ */
.life-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
}
.life-year {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}
.life-year > h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
  color: var(--color-text-faint);
}
.life-year > ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.life-event {
  --life-hue: var(--part-0);
  position: relative;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-left: 3px solid hsl(var(--life-hue));
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
}
.life-research  { --life-hue: var(--part-1); }
.life-education { --life-hue: var(--part-2); }
.life-writing   { --life-hue: var(--part-3); }
.life-open      { --life-hue: var(--part-4); }
.life-personal  { --life-hue: var(--part-5); }
.life-kind {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: hsl(var(--life-hue));
  margin-bottom: 4px;
}
.life-event h4 {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 4px;
}
.life-event p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}
@media (max-width: 760px) {
  .life-year { grid-template-columns: 1fr; gap: 12px; }
  .life-year > ol { grid-template-columns: 1fr; }
}