:root {
  --bg: #fbfbf9;
  --surface: #ffffff;
  --text: #1c1d1f;
  --muted: #5d6066;
  --line: #e4e4df;
  --accent: #1f5f8b;
  --accent-soft: #e8f0f6;
  --note-bg: #fff6dd;
  --note-line: #e2c46a;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141517;
    --surface: #1b1d20;
    --text: #e8e8e6;
    --muted: #a2a5ab;
    --line: #2c2f33;
    --accent: #7fb5dc;
    --accent-soft: #1d2a35;
    --note-bg: #2e2715;
    --note-line: #8a7230;
  }
}

:root[data-theme="dark"] {
  --bg: #141517;
  --surface: #1b1d20;
  --text: #e8e8e6;
  --muted: #a2a5ab;
  --line: #2c2f33;
  --accent: #7fb5dc;
  --accent-soft: #1d2a35;
  --note-bg: #2e2715;
  --note-line: #8a7230;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

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

header.site {
  border-bottom: 1px solid var(--line);
}

header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 15px;
}

nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

.hero { padding: 64px 0 40px; }

.hero h1 {
  font-size: clamp(32px, 6vw, 44px);
  line-height: 1.15;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.hero p.lede {
  font-size: 19px;
  color: var(--muted);
  margin: 0;
  max-width: 620px;
}

section { padding: 32px 0; border-top: 1px solid var(--line); }

h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 22px;
  font-weight: 600;
}

h3 { font-size: 18px; margin: 0 0 4px; line-height: 1.35; }

.role { margin-bottom: 30px; }
.role:last-child { margin-bottom: 0; }

.meta {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 8px;
}

ul.points { margin: 0; padding-left: 20px; }
ul.points li { margin-bottom: 6px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}

.card.featured { border-color: var(--accent); }

.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 10px;
}

.card p { margin: 0 0 10px; }
.card p:last-child { margin-bottom: 0; }

.stack { font-size: 15px; color: var(--muted); }

.private { font-size: 14px; color: var(--muted); font-style: italic; }

.placeholder {
  background: var(--note-bg);
  border: 2px dashed var(--note-line);
  border-radius: 8px;
  padding: 16px;
  margin: 16px 0;
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero { padding: 40px 0 28px; }
  .card { padding: 16px; }
}