:root {
  --bg: #0b0b0c;
  --bg-raised: #131415;
  --bg-inset: #17181a;
  --fg: #ececea;
  --fg-dim: #9a9fa6;
  --fg-dimmer: #63676e;
  --border: #26282b;
  --border-strong: #35373b;
  --accent: #6fae87;
  --accent-soft: rgba(111, 174, 135, 0.10);
  --font: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72em;
  color: var(--fg-dimmer);
  margin: 0 0 10px;
}
.kicker .accent { color: var(--accent); }

code {
  font-family: var(--font);
  background: var(--bg-inset);
  border: 1px solid var(--border);
  padding: 0.05em 0.35em;
  font-size: 0.9em;
  color: var(--fg);
}

hr.rule {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* ---- site header ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 32px;
  background: rgba(11, 11, 12, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 0.86em;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg);
}

.site-nav {
  display: flex;
  gap: 30px;
}
.site-nav a {
  font-size: 0.78em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--fg); }
.site-nav a.active {
  color: var(--fg);
  border-bottom-color: var(--accent);
}

/* ---- layout ---- */

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 32px;
}

.col {
  max-width: 700px;
}

/* ---- home hero ---- */

.hero {
  padding: 96px 0 56px;
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-size: 2.3em;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.hero .lede {
  color: var(--fg-dim);
  font-size: 1.02em;
  max-width: 620px;
  margin: 0 0 32px;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 11px 20px;
  font-size: 0.8em;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--border-strong);
  color: var(--fg);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { border-color: var(--accent); color: var(--accent); }
.btn-primary:hover { background: var(--accent-soft); }

/* ---- section heading row ---- */

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 0 8px;
}
.section-heading h2 {
  font-size: 1em;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  margin: 0;
}
.see-all {
  font-size: 0.8em;
  color: var(--fg-dimmer);
}
.see-all:hover { color: var(--accent); }

/* ---- page header (projects / about / contact) ---- */

.page-header {
  padding: 72px 0 40px;
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-size: 1.9em;
  margin: 0 0 14px;
}
.page-header p {
  color: var(--fg-dim);
  max-width: 620px;
  margin: 0;
}

/* ---- project index rows ---- */

.index-list {
  padding: 8px 0 64px;
}

.index-row {
  display: grid;
  grid-template-columns: 44px 160px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}
.index-row:hover { background: var(--bg-raised); }
.index-row a.index-link {
  display: contents;
}

.index-num {
  color: var(--fg-dimmer);
  font-size: 0.85em;
}

.index-thumb {
  width: 160px;
  height: 90px;
  background: #050506;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.index-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.index-thumb.light img { background: #f4f1e8; }

.index-main h3 {
  margin: 0 0 6px;
  font-size: 1.05em;
}
.index-main .index-tagline {
  color: var(--fg-dim);
  font-size: 0.86em;
  margin: 0;
  max-width: 480px;
}

.index-meta {
  text-align: right;
  white-space: nowrap;
}
.index-arrow {
  color: var(--fg-dimmer);
  font-size: 0.85em;
}
.index-row:hover .index-arrow { color: var(--accent); }

/* full (projects.html) variant: adds tags + wraps on mobile */
.index-list.full .index-row {
  grid-template-columns: 44px 200px 1fr 140px;
}
.index-list.full .index-tagline { max-width: 100%; }
.tags-inline {
  margin-top: 8px;
  font-size: 0.72em;
  color: var(--fg-dimmer);
  letter-spacing: 0.02em;
}

/* ---- project detail ---- */

.back-link {
  display: inline-block;
  margin: 40px 0 0;
  font-size: 0.8em;
  color: var(--fg-dimmer);
  letter-spacing: 0.04em;
}
.back-link:hover { color: var(--accent); }

.detail-header {
  padding: 20px 0 40px;
  border-bottom: 1px solid var(--border);
}
.detail-header h1 {
  font-size: 2em;
  margin: 0 0 12px;
}
.detail-header .lede {
  color: var(--fg-dim);
  max-width: 640px;
  margin: 0 0 24px;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82em;
}
.meta-row .org { color: var(--fg-dimmer); }

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 18px 0 0;
}
.tag-list li {
  font-size: 0.72em;
  color: var(--fg-dim);
  border: 1px solid var(--border-strong);
  padding: 3px 9px;
}

.detail-figure {
  margin: 44px 0;
  padding: 24px;
  background: #050506;
  border: 1px solid var(--border);
  text-align: center;
}
.detail-figure img {
  max-width: 100%;
  max-height: 340px;
}
.detail-figure.light img { background: #f4f1e8; padding: 10px; }
.detail-figure figcaption {
  margin-top: 14px;
  font-size: 0.74em;
  color: var(--fg-dimmer);
}

.detail-body {
  max-width: 680px;
  padding-bottom: 24px;
}
.detail-body p {
  color: var(--fg-dim);
  margin: 0 0 18px;
}
.detail-body a { color: var(--accent); }
.detail-body a:hover { text-decoration: underline; }
.detail-body h2 {
  color: var(--fg);
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 40px 0 14px;
}

.project-pager {
  display: flex;
  justify-content: space-between;
  padding: 28px 0 72px;
  border-top: 1px solid var(--border);
  margin-top: 24px;
  font-size: 0.85em;
}
.project-pager a { color: var(--fg-dim); }
.project-pager a:hover { color: var(--accent); }

/* ---- about / contact ---- */

.prose {
  padding: 8px 0 72px;
}
.prose p {
  color: var(--fg-dim);
  margin: 0 0 18px;
}

.fact-list {
  margin: 40px 0 0;
  border-top: 1px solid var(--border);
}
.fact-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88em;
}
.fact-row dt {
  color: var(--fg-dimmer);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82em;
}
.fact-row dd {
  margin: 0;
  color: var(--fg-dim);
}
.fact-row a { color: var(--accent); }
.fact-row a:hover { text-decoration: underline; }

/* ---- site footer ---- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 32px 40px;
  text-align: center;
}
.site-footer p {
  color: var(--fg-dimmer);
  font-size: 0.8em;
  margin: 0;
}
.site-footer a { color: var(--fg-dim); }
.site-footer a:hover { color: var(--accent); }

/* ---- responsive ---- */

@media (max-width: 720px) {
  .site-header { padding: 18px 20px; }
  .site-nav { gap: 18px; }
  main { padding: 0 20px; }

  .hero { padding: 56px 0 40px; }
  .hero h1 { font-size: 1.7em; }

  .index-row,
  .index-list.full .index-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 22px 0;
  }
  .index-num { display: none; }
  .index-thumb { width: 100%; height: 140px; }
  .index-meta { text-align: left; }

  .fact-row { grid-template-columns: 1fr; gap: 4px; }
}