:root {
  --bg: #ffffff;
  --ink: #14161a;
  --muted: #4a4f57;
  --accent: #1f4fa3;
  --accent-dk: #16336b;
  --line: #d9dce1;
  --focus: #b8400a;
  --maxw: 46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216;
    --ink: #f2f4f7;
    --muted: #b8bdc6;
    --accent: #7ea6ff;
    --accent-dk: #a9c4ff;
    --line: #2a2e36;
    --focus: #ffb27a;
  }
}

* { box-sizing: border-box; }

html { font-size: 112.5%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  transition: top 0.15s ease;
  z-index: 10;
}

.skip-link:focus { top: 0.5rem; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

header { padding: 3.5rem 0 1rem; }

.eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 38rem;
}

main { padding: 1rem 0 3rem; }

section { padding: 2rem 0; border-top: 1px solid var(--line); }
section:first-of-type { border-top: 0; }

h2 {
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

h3 { font-size: 1.1rem; margin: 1.5rem 0 0.35rem; }

p { margin: 0 0 1rem; }

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

a:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 3px;
}

ul { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin: 0.35rem 0; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}

.btn:hover { background: var(--accent-dk); color: #fff; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
}

/* Card lists: projects and coaching offers.
   role="list" is set in the markup because Safari and VoiceOver
   drop list semantics when list-style is removed. */
.cards {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.cards > li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin: 0;
}

.cards h3 { margin-top: 0; }
.cards p { margin-bottom: 0.5rem; color: var(--muted); }
.cards p:last-child { margin-bottom: 0; }

.stack {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.5rem 0 0;
}

.stack strong {
  color: var(--ink);
  font-weight: 600;
}

.skills { list-style: none; padding: 0; }

.skills > li {
  margin: 0 0 0.9rem;
  padding-left: 0;
}

.skills strong { display: block; }

.skills span { color: var(--muted); }

.contact a { font-weight: 600; }

footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

footer a { font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}