/* ═══════════════════════════════════════════════════════
   portfolio.css — Portfolio Page
═══════════════════════════════════════════════════════ */

/* ── Intro ──────────────────────────────────────────── */
.portfolio-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  padding-top: 0.5rem;
}

.port-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--text-primary);
  max-width: 440px;
}

.port-brief {
  font-size: 0.78rem;
  line-height: 2;
  color: var(--text-muted);
  font-weight: 300;
}

/* ── Timeline ───────────────────────────────────────── */
.timeline-wrap {
  padding: 3rem var(--page-px) 5rem;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0;
}

.tl-year-col {
  position: relative;
  border-right: 1px solid var(--border-strong);
  padding-right: 2rem;
}
.tl-year {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--text-muted);
  position: sticky;
  top: 80px;
}

.tl-events-col {
  padding-left: 2.5rem;
}

/* Year group */
.tl-group { margin-bottom: 3rem; }

.tl-group-year {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
/* Timeline dot — positioned on the border */
.tl-group-year::before {
  content: '';
  width: 7px;
  height: 7px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--bg-base);
  margin-left: calc(-2.5rem - 4px);
  margin-right: 0;
}

/* Entry card */
.tl-entry {
  margin-bottom: 1.5rem;
  padding: 1.4rem 1.8rem;
  border: 1px solid var(--border-mid);
  background: var(--bg-surface);
  transition: border-color var(--duration), background var(--duration);
}
.tl-entry:hover {
  border-color: var(--border-strong);
  background: var(--bg-raised);
}

.tl-entry-cat {
  font-family: var(--font-mono);
  font-size: 0.47rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-red);
  margin-bottom: 0.35rem;
}
.tl-entry-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  line-height: 1.3;
}
.tl-entry-desc {
  font-size: 0.75rem;
  line-height: 1.9;
  color: var(--text-secondary);
  font-weight: 300;
}

.tl-entry-tags {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.42rem;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}

/* ── Skills ─────────────────────────────────────────── */
.skills-section {
  padding: 0 var(--page-px) 5rem;
  border-top: 1px solid var(--border-strong);
}

.skills-header {
  padding: 2rem 0 1.5rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--text-primary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-mid);
  border: 1px solid var(--border-strong);
}

.skill-cell {
  background: var(--bg-surface);
  padding: 1.3rem 1.5rem;
  transition: background var(--duration);
}
.skill-cell:hover { background: var(--bg-raised); }

.skill-name {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.7rem;
}
.skill-bar {
  height: 1px;
  background: var(--border-strong);
  position: relative;
}
.skill-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--text-primary);
  transition: width 1s var(--ease);
}
.skill-pct {
  font-family: var(--font-mono);
  font-size: 0.44rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-top: 0.4rem;
}