/* skills-hub — shared styles */

:root {
  --bg: #ffffff;
  --surface: #fafafa;
  --surface-2: #f4f4f5;
  --text: #18181b;
  --text-muted: #71717a;
  --border: #e4e4e7;
  --accent: #ea580c;
  --accent-soft: #fff7ed;
  --code-bg: #18181b;
  --code-text: #e4e4e7;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 8px 24px -12px rgba(0, 0, 0, .12);
  --radius: 12px;
  --maxw: 880px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0c0e;
    --surface: #131417;
    --surface-2: #1a1c20;
    --text: #e8e8ea;
    --text-muted: #9b9ba3;
    --border: #26282e;
    --accent: #fb923c;
    --accent-soft: #1f1610;
    --code-bg: #131417;
    --code-text: #d4d4d8;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .6);
  }
}

:root[data-theme="dark"] {
  --bg: #0b0c0e;
  --surface: #131417;
  --surface-2: #1a1c20;
  --text: #e8e8ea;
  --text-muted: #9b9ba3;
  --border: #26282e;
  --accent: #fb923c;
  --accent-soft: #1f1610;
  --code-bg: #131417;
  --code-text: #d4d4d8;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .6);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

code, pre, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

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

header.site {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 60px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 640;
  letter-spacing: -.01em;
}
.brand:hover { text-decoration: none; }
.brand .dot {
  width: 10px; height: 10px; border-radius: 3px;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

nav.links { display: flex; gap: 22px; font-size: 14px; }
nav.links a { color: var(--text-muted); }
nav.links a:hover { color: var(--text); text-decoration: none; }

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

.hero { padding: 76px 0 52px; }
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.08;
  letter-spacing: -.033em;
  font-weight: 700;
}
.hero .lede {
  margin: 0 0 28px;
  font-size: clamp(17px, 2.4vw, 20px);
  color: var(--text-muted);
  max-width: 62ch;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  padding: 4px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 560;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ------------------------------------------------------------------ code -- */

.cmd {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 0 0 12px;
}
.cmd code {
  flex: 1;
  min-width: 0;
  padding: 13px 16px;
  color: var(--code-text);
  font-size: 13.5px;
  overflow-x: auto;
  white-space: pre;
}
.cmd button {
  flex: none;
  border: 0;
  border-left: 1px solid rgba(255, 255, 255, .1);
  background: transparent;
  color: #a1a1aa;
  padding: 0 15px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.cmd button:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.cmd button.done { color: #4ade80; }

pre.block {
  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 20px;
}

p code, li code, td code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: .89em;
}

/* --------------------------------------------------------------- section -- */

section { padding: 40px 0; border-top: 1px solid var(--border); }
section h2 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 640;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
section h3 {
  margin: 28px 0 10px;
  font-size: 19px;
  letter-spacing: -.015em;
}
section > .wrap > p:first-of-type { margin-top: 12px; }

.flow {
  margin: 0;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.9;
  overflow-x: auto;
}
.flow b { color: var(--text); font-weight: 620; }
.flow .bad { color: var(--text-muted); }

/* ----------------------------------------------------------------- cards -- */

.grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid.two { grid-template-columns: 1fr 1fr; } }

.card {
  display: block;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: inherit;
  box-shadow: var(--shadow);
  transition: border-color .15s ease, transform .15s ease;
}
a.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}
.card h3 { margin: 0 0 6px; font-size: 21px; letter-spacing: -.02em; }
.card p { margin: 0 0 16px; color: var(--text-muted); font-size: 15px; }
.card .more { font-size: 14px; font-weight: 560; color: var(--accent); }

.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 16px; }
.tag {
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------------------------------------------------------------- tables -- */

.tablewrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin: 4px 0 20px;
}
th, td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  font-weight: 600;
}
td.klass { white-space: nowrap; font-weight: 560; }

ul.plain { padding-left: 20px; margin: 8px 0 16px; }
ul.plain li { margin-bottom: 7px; }

.note {
  padding: 16px 18px;
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  font-size: 14.5px;
  margin: 4px 0 18px;
}

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

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 24px;
  padding: 30px 0 60px;
  color: var(--text-muted);
  font-size: 14px;
}
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; }

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

.hero-foot {
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.byline {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 20px;
}

.byline .portrait {
  flex: none;
  display: block;
  width: 46px;
  height: 46px;
  border-radius: 14px;          /* squircle — rhymes with the cards and brand mark */
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 6px 16px -10px rgba(0, 0, 0, .35);
  transition: transform .18s ease, border-color .18s ease;
}
.byline .portrait:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}
.byline .portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.byline .credit {
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--text-muted);
  min-width: 0;
}
.byline .credit .name {
  color: var(--text);
  font-weight: 620;
  letter-spacing: -.008em;
}
.byline .credit .name:hover { color: var(--accent); text-decoration: none; }
.byline .credit .sep { margin: 0 7px; opacity: .5; }

@media (max-width: 460px) {
  .byline .credit .sep { display: none; }
  .byline .credit .role { display: block; font-size: 13px; }
}