:root {
  --bg: #11151b;
  --panel: #171d25;
  --panel-line: #262f3a;
  --ink: #e7ebee;
  --ink-dim: #8b95a1;
  --teal: #4fd1c5;
  --gold: #d1a857;
  --closed: #6b7684;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-serif: 'Source Serif 4', Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.6;
}

a { color: inherit; }

.ledger-rule {
  height: 1px;
  background: repeating-linear-gradient(
    to right,
    var(--panel-line) 0,
    var(--panel-line) 6px,
    transparent 6px,
    transparent 12px
  );
  width: 100%;
}

.top-rule { display: none; }

/* ---------- NAV ---------- */

.site-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 6vw;
  display: flex;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.nav-link {
  color: var(--ink-dim);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.15s ease;
}

.nav-link:hover { color: var(--teal); }
.nav-link:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

.nav-link-external { color: var(--gold); }
.nav-link-external:hover { color: var(--teal); }

@media (max-width: 860px) {
  .site-nav {
    padding: 1rem 6vw;
    gap: 1.2rem;
    flex-wrap: wrap;
  }
}

/* ---------- HERO ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  padding: 4rem 6vw 3rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: end;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
  letter-spacing: 0.03em;
  margin-bottom: 1.2rem;
}

.name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 1.4rem;
}

.role {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--gold);
  margin-bottom: 1.4rem;
}

.dot { color: var(--ink-dim); margin: 0 0.4em; }

.tagline {
  max-width: 46ch;
  color: var(--ink-dim);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.hero-contact {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-link {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--ink);
  transition: color 0.15s ease;
  width: fit-content;
}

.contact-link:hover { color: var(--teal); }
.contact-link:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

.contact-link .label {
  color: var(--ink-dim);
  margin-right: 0.7em;
}

/* ---------- HERO LEDGER PANEL ---------- */

.hero-ledger {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 4px;
  padding: 1.4rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.ledger-header {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  font-size: 0.72rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--panel-line);
  margin-bottom: 0.6rem;
}

.ledger-row {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  padding: 0.55rem 0;
  align-items: center;
  color: var(--ink-dim);
}

.ledger-row.active { color: var(--ink); }

.entry-no {
  color: var(--teal);
  font-weight: 500;
}

.status {
  font-size: 0.72rem;
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  justify-self: end;
  letter-spacing: 0.03em;
}

.status.closed { background: rgba(107,118,132,0.15); color: var(--closed); }
.status.open { background: rgba(79,209,197,0.14); color: var(--teal); }

/* ---------- MAIN SECTIONS ---------- */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 6vw;
}

.section {
  display: grid;
  grid-template-columns: 1fr 2.4fr;
  gap: 3rem;
  padding: 3.2rem 0;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  height: fit-content;
}

.section-no {
  color: var(--teal);
}

.section-body p {
  color: var(--ink-dim);
  max-width: 68ch;
  margin-bottom: 1.1rem;
}

.section-body p:last-child { margin-bottom: 0; }

/* ---------- SKILLS ---------- */

.skill-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.9rem;
}

.skill-grid li {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--ink);
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.03em;
}

/* ---------- EDUCATION / RECORDS ---------- */

.record {
  margin-bottom: 1.6rem;
}

.record:last-child { margin-bottom: 0; }

.record-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}

.record-head h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
}

.record-sub {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-dim);
  margin-bottom: 0.4rem;
}

.status-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.status-pill.in-progress { background: rgba(209,168,87,0.14); color: var(--gold); }
.status-pill.closed { background: rgba(107,118,132,0.15); color: var(--closed); }

/* ---------- EXPERIENCE TIMELINE ---------- */

.timeline {
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 2.7rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background: var(--panel-line);
}

.timeline-entry {
  display: grid;
  grid-template-columns: 5.4rem 1fr;
  gap: 1.6rem;
  padding-bottom: 2.4rem;
  position: relative;
}

.timeline-entry:last-child { padding-bottom: 0; }

.timeline-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  font-family: var(--font-mono);
  padding-right: 0.8rem;
}

.timeline-meta .entry-no {
  font-size: 1.1rem;
}

.timeline-meta .duration {
  font-size: 0.72rem;
  color: var(--ink-dim);
}

.timeline-content p {
  color: var(--ink-dim);
  max-width: 62ch;
  margin-top: 0.5rem;
}

/* ---------- FOOTER ---------- */

.site-footer {
  padding: 2.4rem 0 3.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-dim);
  text-align: center;
}

/* ---------- ARTICLE LIST PAGE ---------- */

.articles-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 6vw;
}

@media (min-width: 900px) {
  .articles-page {
    padding: 5rem 0 4rem;
  }
}

.articles-page .eyebrow {
  margin-bottom: 0.8rem;
}

.articles-page h1 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--ink);
  margin-bottom: 2.5rem;
}

.article-list {
  list-style: none;
  max-width: 68ch;
}

.article-list li {
  border-bottom: 1px dashed var(--panel-line);
}

.article-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.2rem 0;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  transition: color 0.15s ease;
}

.article-list a:hover { color: var(--teal); }

.article-list .article-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-dim);
  white-space: nowrap;
  margin-left: 1.5rem;
}

.back-link {
  display: inline-block;
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-dim);
  text-decoration: none;
}

.back-link:hover { color: var(--teal); }

/* ---------- SINGLE ARTICLE PAGE ---------- */

.article-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 4rem 6vw 3rem;
}

@media (min-width: 900px) {
  .article-page {
    max-width: 820px;
    padding: 5rem 0 4rem;
  }
}

@media (min-width: 1300px) {
  .article-page {
    max-width: 900px;
  }

  .article-body p,
  .article-meta {
    font-size: 1.05rem;
  }
}

.article-page h1 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  color: var(--ink);
  margin-bottom: 0.8rem;
  line-height: 1.15;
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
  margin-bottom: 2.4rem;
}

.article-body p {
  color: var(--ink-dim);
  margin-bottom: 1.2rem;
}

.article-body blockquote {
  border-left: 2px solid var(--gold);
  padding: 0.3rem 0 0.3rem 1.4rem;
  margin: 1.6rem 0;
  color: var(--ink);
  font-style: italic;
}

.article-body a {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-color: var(--panel-line);
  text-underline-offset: 3px;
}

.article-body a:hover { text-decoration-color: var(--teal); }

.article-body strong { color: var(--ink); }

.article-signoff {
  margin-top: 2.4rem;
  color: var(--ink-dim);
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 3rem 6vw 2.5rem;
    gap: 2rem;
  }

  .section {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2.4rem 0;
  }

  .timeline::before { left: 0.6rem; }

  .timeline-entry {
    grid-template-columns: 1.4rem 1fr;
  }

  .timeline-meta {
    flex-direction: row;
    align-items: center;
    gap: 0.6rem;
  }

  .timeline-meta .duration { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}