:root {
  --paper: #f4f1ec;
  --ink: #1c1c1c;
  --muted: #6f6a61;
  --rule: #d9d3c6;
  --accent: #e8401f;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --paper: #1a1815;
  --ink: #e8e4dc;
  --muted: #8f887a;
  --rule: #3a352c;
  --accent: #f0502c;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
}

::selection { background: var(--accent); color: var(--paper); }

a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

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

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.75rem 0 1.25rem;
  border-bottom: 1px solid var(--ink);
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.wordmark .accent { color: var(--accent); }

.site-nav { display: flex; gap: 1.75rem; align-items: baseline; }
.site-nav a, .theme-toggle {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--ink);
}
.site-nav a:hover { text-decoration: underline; text-decoration-color: var(--accent); }

.theme-toggle {
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}
.theme-toggle::before { content: "◐ "; color: var(--accent); }
.theme-toggle:hover { color: var(--accent); }

/* ---------- intro ---------- */

.intro { padding: 5rem 0 4rem; }

.intro h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.intro-name {
  margin-top: 1.5rem;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.6vw, 1.75rem);
  letter-spacing: -0.01em;
}

.intro-role {
  margin-top: 0.4rem;
  font-family: var(--serif);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.4;
  color: var(--muted);
  max-width: 38ch;
}

.intro-meta {
  margin-top: 2rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.intro-meta a { color: var(--ink); }

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

.section-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--ink);
}

.project-index { list-style: none; }

.project-row { border-bottom: 1px solid var(--rule); }

.project-summary {
  display: grid;
  grid-template-columns: 3rem 13rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
  width: 100%;
  padding: 1.4rem 0;
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.col-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.col-name {
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.col-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.project-summary:hover .col-name,
.project-summary[aria-expanded="true"] .col-name { color: var(--accent); }

.project-summary[aria-expanded="true"] .col-num { color: var(--accent); }

.noscript-link {
  display: inline-block;
  padding: 0 0 1.25rem 4.5rem;
  font-size: 0.85rem;
}

/* ---------- project detail (inline + page) ---------- */

.detail-inner {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 3rem;
  padding: 2.25rem 0 2.75rem 4.5rem;
}

.detail-meta dl { margin: 0; }

.detail-meta dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-top: 1.1rem;
}
.detail-meta dt:first-child { margin-top: 0; }

.detail-meta dd { margin: 0.15rem 0 0; font-size: 0.88rem; }

.detail-close {
  margin-top: 1.75rem;
  padding: 0;
  background: none;
  border: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink);
  cursor: pointer;
  border-bottom: 1px solid var(--accent);
}
.detail-close:hover { color: var(--accent); }

.detail-body p { max-width: 58ch; margin-bottom: 1rem; font-size: 0.95rem; }

.detail-body figure { margin: 2rem 0; }

.detail-body img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}

.detail-body figcaption {
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.detail-permalink { margin-top: 1.5rem; font-size: 0.85rem; }

/* ---------- standalone project page ---------- */

.project-page { padding: 3rem 0 2rem; }

.breadcrumb {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.breadcrumb a { text-decoration: none; }

.project-page-header {
  padding: 2.5rem 0 0;
  border-bottom: 1px solid var(--ink);
}

.project-page-header h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.015em;
}

.project-page-sub {
  margin: 0.75rem 0 2rem;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 60ch;
}

.project-page .detail-inner { padding-left: 0; }
.project-page .detail-close,
.project-page .detail-permalink { display: none; }

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

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 5rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- small screens ---------- */

@media (max-width: 760px) {
  body { padding: 0 1.25rem; }

  .project-summary {
    grid-template-columns: 2.25rem 1fr;
    grid-template-areas:
      "num name"
      "num desc";
    gap: 0.15rem 1rem;
  }
  .col-num { grid-area: num; }
  .col-name { grid-area: name; }
  .col-desc { grid-area: desc; margin-top: 0.35rem; }

  .detail-inner {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    padding-left: 0;
  }

  .detail-close { order: 2; }

  .site-footer { flex-direction: column; gap: 0.35rem; }
}