:root {
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --light: #999;
  --border: #e8e8e8;
  --bg: #fafaf8;
  --surface: #fff;
  --accent: #1a1a1a;
  --max: 680px;
  --max-wide: 900px;
  --heading: "Fraunces", Georgia, serif;
  --body: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { opacity: 0.6; }

img { max-width: 100%; display: block; }

/* Layout — generous Ma (space) */
.wrap {
  width: min(var(--max-wide), calc(100% - 48px));
  margin: 0 auto;
}

.wrap--narrow {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

/* Navigation — barely there */
nav {
  padding: 24px 0;
}

nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.2px;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 13px;
  color: var(--muted);
  transition: opacity 0.2s;
  letter-spacing: 0.1px;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  opacity: 1;
}

/* Hero — spacious, breath */
.hero {
  padding: 120px 0 80px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 64px;
  align-items: start;
}

.hero-label {
  font-size: 12px;
  color: var(--light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--heading);
  font-size: clamp(32px, 4.5vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.5px;
  font-weight: 500;
  max-width: 18ch;
}

.hero-sub {
  margin-top: 24px;
  font-size: 16px;
  color: var(--muted);
  max-width: 52ch;
  line-height: 1.75;
}

.hero-links {
  margin-top: 40px;
  display: flex;
  gap: 24px;
  align-items: center;
}

.hero-links a {
  font-size: 13px;
  color: var(--muted);
  transition: opacity 0.2s;
  padding-bottom: 2px;
}

.hero-links a:hover { opacity: 0.6; }

.hero-links a.primary {
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px solid var(--text);
}

.portrait-small {
  width: 180px;
  height: 180px;
  border-radius: 4px;
  object-fit: cover;
  filter: grayscale(30%);
}

/* Divider — thin, precise */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* Sections — generous vertical rhythm */
.section {
  padding: 72px 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--light);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--heading);
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.3px;
  font-weight: 500;
  margin-bottom: 8px;
}

.section-desc {
  color: var(--muted);
  font-size: 15px;
  max-width: 56ch;
  margin-bottom: 40px;
  line-height: 1.7;
}

/* List entries — clean, spacious */
.entry {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.entry:first-child { padding-top: 0; }
.entry:last-child { border-bottom: none; }

.entry h3 {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

.entry .meta {
  font-size: 13px;
  color: var(--light);
  margin-top: 4px;
}

.entry p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 60ch;
}

.entry .link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: border-color 0.2s;
}

.entry .link:hover {
  border-color: var(--text);
  opacity: 1;
}

/* Repo items */
.repo {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
}

.repo:first-child { padding-top: 0; }
.repo:last-child { border-bottom: none; }

.repo h3 {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
}

.repo p {
  margin-top: 4px;
  font-size: 14px;
  color: var(--muted);
  max-width: 50ch;
  line-height: 1.6;
}

.repo .link {
  font-size: 13px;
  white-space: nowrap;
  color: var(--light);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
}

.repo .link:hover {
  color: var(--text);
  border-color: var(--text);
  opacity: 1;
}

/* Two-col layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.two-col h3 {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--light);
  margin-bottom: 16px;
}

.two-col ul {
  list-style: none;
  padding: 0;
}

.two-col li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.two-col li:last-child { border-bottom: none; }

.two-col li strong {
  display: block;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2px;
}

/* Contact */
.contact-grid {
  display: flex;
  gap: 32px;
  margin-top: 20px;
}

.contact-grid a {
  font-size: 14px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.contact-grid a:hover {
  color: var(--text);
  border-color: var(--text);
  opacity: 1;
}

/* Footer — whisper */
footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  color: var(--light);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer .footer-links {
  display: flex;
  gap: 20px;
}

footer a { color: var(--light); }
footer a:hover { color: var(--muted); opacity: 1; }

/* Page header for subpages */
.page-hero {
  padding: 80px 0 48px;
}

.page-hero h1 {
  font-family: var(--heading);
  font-size: clamp(28px, 3.5vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.3px;
  font-weight: 500;
  max-width: 24ch;
}

.page-hero .hero-sub {
  margin-top: 16px;
}

.back-link {
  display: inline-block;
  font-size: 13px;
  color: var(--light);
  margin-bottom: 20px;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.back-link:hover {
  color: var(--text);
  opacity: 1;
}

/* Article — long-form reading */
.article {
  padding: 56px 0 80px;
}

.article h1 {
  font-family: var(--heading);
  font-size: clamp(26px, 3.5vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.3px;
  font-weight: 500;
  margin-bottom: 12px;
}

.article .article-meta {
  font-size: 13px;
  color: var(--light);
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.article h2 {
  font-family: var(--heading);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.1px;
  color: var(--text);
  margin: 48px 0 12px;
}

.article h3 {
  font-size: 17px;
  font-weight: 500;
  margin: 32px 0 8px;
}

.article p {
  font-size: 16px;
  line-height: 1.8;
  color: #444;
  margin: 20px 0;
}

.article ul, .article ol {
  margin: 20px 0;
  padding-left: 20px;
}

.article li {
  font-size: 15px;
  line-height: 1.75;
  color: #444;
  margin-bottom: 10px;
}

.article blockquote {
  margin: 32px 0;
  padding: 20px 28px;
  border-left: 2px solid var(--text);
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
  font-style: italic;
}

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

.article hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

.article a {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
}

.article a:hover {
  border-color: var(--text);
  opacity: 1;
}

/* Reveal animation — gentle */
.reveal { opacity: 1; transform: none; }
html.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}
html.js .reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 768px) {
  .wrap, .wrap--narrow { width: calc(100% - 32px); }
  .hero { padding: 72px 0 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .portrait-small { width: 120px; height: 120px; order: -1; }
  .section { padding: 48px 0; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .nav-links { gap: 20px; }
  .repo { flex-direction: column; gap: 8px; }
  .contact-grid { flex-direction: column; gap: 12px; }
}