/* raynaliu.dev — typography-first, no build step, no network dependencies */

:root {
  --bg:        #faf8f4;
  --surface:   #f2eee6;
  --text:      #1c1a17;
  --muted:     #6b645b;
  --faint:     #a9a094;
  --rule:      #e2dbd0;
  --accent:    #9a4b2f;
  --accent-bg: #f4e9e3;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans:  system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --measure: 34rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #14130f;
    --surface:   #1d1b17;
    --text:      #ece7de;
    --muted:     #9c948a;
    --faint:     #6a635a;
    --rule:      #2c2924;
    --accent:    #e0906b;
    --accent-bg: #2a201b;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0 1.5rem;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 5rem 0 6rem;
}

/* ── type ─────────────────────────────────────────────────────── */

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.25; }

h1 {
  font-size: 1.75rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 0.78rem;
  font-family: var(--sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faint);
  margin: 3.25rem 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule);
}

h3 { font-size: 1.1rem; margin: 2rem 0 0.5rem; }

p { margin: 0 0 1.1rem; }

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

strong { font-weight: 620; }

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--surface);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

/* ── header ───────────────────────────────────────────────────── */

.lede { color: var(--muted); margin-bottom: 0.35rem; }

.tagline {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 2rem;
}

/* ── project list (home) ──────────────────────────────────────── */

.entry { margin-bottom: 2rem; }

.entry-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.2rem;
}

.entry-title a { color: var(--text); text-decoration: none; }
.entry-title a:hover { color: var(--accent); text-decoration: underline; }

.entry-meta {
  font-size: 0.8rem;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
  margin: 0 0 0.4rem;
}

.entry p { margin: 0 0 0.4rem; color: var(--muted); }

.entry-links { font-size: 0.85rem; }
.entry-links a { margin-right: 1rem; }

/* ── case-study bits ──────────────────────────────────────────── */

.back {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 2.5rem;
}
.back:hover { color: var(--accent); }

.summary {
  background: var(--surface);
  border-left: 2px solid var(--accent);
  padding: 1rem 1.25rem;
  margin: 0 0 2rem;
  font-size: 0.94rem;
}
.summary dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 0.35rem 1rem; }
.summary dt { color: var(--faint); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; padding-top: 0.15rem; }
.summary dd { margin: 0; }

.callout {
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin: 1.75rem 0;
  font-size: 0.94rem;
  background: var(--surface);
}
.callout p:last-child { margin-bottom: 0; }

figure { margin: 2rem 0; }
figure img { width: 100%; max-width: 100%; height: auto; border-radius: 4px; border: 1px solid var(--rule); display: block; }
figcaption { font-size: 0.82rem; color: var(--faint); margin-top: 0.6rem; }

ul { padding-left: 1.15rem; }
li { margin-bottom: 0.5rem; }

/* wide content must scroll inside itself, never the page */
.scroll-x { overflow-x: auto; }

/* ── footer ───────────────────────────────────────────────────── */

footer {
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--faint);
}
footer a { margin-right: 1rem; }

/* ── placeholder marker — remove these before launch ──────────── */

.todo {
  background: var(--accent-bg);
  border: 1px dashed var(--accent);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  font-size: 0.88rem;
  color: var(--text);
}
.todo::before {
  content: "PLACEHOLDER — replace before launch";
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

@media (max-width: 480px) {
  body { font-size: 16px; padding: 0 1.15rem; }
  .wrap { padding: 3rem 0 4rem; }
  .summary dl { grid-template-columns: 1fr; gap: 0.1rem 0; }
  .summary dt { margin-top: 0.5rem; }
}