:root {
  --fg: #fff;
  --bg: #000;
  --muted: #888;
  --line: #1f1f1f;
  --content-width: 640px;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-title: "Titan One", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #000 !important;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { text-decoration-thickness: 2px; }

.wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav { padding: 28px 0 0; }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav__brand {
  font-family: var(--font-title);
  font-size: 18px;
  letter-spacing: 0.01em;
  text-decoration: none;
}
.nav__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 22px;
}
.nav__links a {
  text-decoration: none;
  font-size: 15px;
  color: var(--fg);
}
.nav__links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.nav__links a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

/* Page header (non-home) */
.page-header {
  margin: 56px 0 40px;
}
.page-header h1 {
  font-family: var(--font-title);
  font-weight: 400;
  font-size: clamp(32px, 6vw, 48px);
  letter-spacing: 0.02em;
  margin: 0 0 12px;
  line-height: 1;
}
.page-header p {
  margin: 0;
  font-size: 17px;
  color: var(--muted);
  max-width: 520px;
}

/* Section */
section + section { margin-top: 64px; }
.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 20px;
}
.section__title {
  font-family: var(--font-title);
  font-weight: 400;
  font-size: 24px;
  letter-spacing: 0.005em;
  margin: 0;
}
.section__meta {
  font-size: 14px;
  color: var(--muted);
}
.section__meta a { color: var(--muted); }

/* Prose */
.prose p { margin: 0 0 16px; font-size: 17px; }
.prose p:last-child { margin-bottom: 0; }
.prose h2 {
  font-family: var(--font-title);
  font-weight: 400;
  font-size: 24px;
  margin: 36px 0 12px;
}
.prose h3 {
  font-size: 18px;
  margin: 28px 0 8px;
}
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 16px; }
.prose li { margin: 4px 0; }
.prose blockquote {
  border-left: 2px solid var(--fg);
  margin: 18px 0;
  padding: 2px 0 2px 16px;
  color: var(--muted);
  font-style: italic;
}
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  background: #141414;
  padding: 2px 6px;
  border-radius: 3px;
}
.prose pre {
  background: #0c0c0c;
  border: 1px solid var(--line);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 14px;
  border-radius: 4px;
}
.prose pre code { background: transparent; padding: 0; }
.prose hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

/* List of links (blog / projects) */
.list { list-style: none; margin: 0; padding: 0; }
.list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.list li:last-child { border-bottom: 1px solid var(--line); }
.list__title { font-size: 16px; font-weight: 500; }
.list__title a { text-decoration: none; }
.list__title a:hover { text-decoration: underline; text-underline-offset: 3px; }
.list__meta {
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}
.list__desc {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}
.list__badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--fg);
  padding: 2px 6px;
  margin-right: 8px;
  vertical-align: 2px;
}

/* Year groups */
.year-group { margin-bottom: 28px; }
.year-group__label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 6px;
}

/* Post meta (single post) */
.post { margin-top: 56px; }
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.post-title {
  font-family: var(--font-title);
  font-weight: 400;
  font-size: clamp(30px, 5vw, 44px);
  letter-spacing: 0.01em;
  line-height: 1.05;
  margin: 0 0 28px;
}

/* Experience */
.exp { list-style: none; margin: 0; padding: 0; }
.exp li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 10px 0;
}
.exp__when {
  font-size: 14px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.exp__what { font-size: 16px; }
.exp__role { color: var(--muted); font-size: 14px; }

/* Footer / Socials */
footer {
  margin: 96px 0 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.socials {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
}
.socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  color: var(--fg);
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}
.socials a:hover {
  background: var(--fg);
  color: var(--bg);
}
.socials svg { width: 18px; height: 18px; display: block; }

.colophon {
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

/* Back link */
.back-link {
  display: inline-block;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  margin: 32px 0 0;
}
.back-link:hover { color: var(--fg); text-decoration: underline; }

/* 404 */
.notfound {
  text-align: center;
  padding: 96px 0 40px;
}
.notfound__code {
  font-family: var(--font-title);
  font-size: clamp(80px, 18vw, 180px);
  line-height: 0.9;
  letter-spacing: 0.04em;
  color: #000;
  -webkit-text-stroke: 6px #fff;
  paint-order: stroke fill;
  margin: 0 0 12px;
}
.notfound__msg {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 24px;
}

@media (max-width: 520px) {
  .nav__links { gap: 16px; }
  .exp li { grid-template-columns: 90px 1fr; }
}