:root {
  --bg: #0b0d12;
  --surface: #12151c;
  --border: #232833;
  --text: #e9ecf1;
  --muted: #9aa3b2;
  --accent: #5b8cff;
  --max-width: 760px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

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

header {
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

nav a {
  color: var(--muted);
  margin-left: 20px;
  font-size: 0.95rem;
}
nav a:first-child { margin-left: 0; }
nav a:hover { color: var(--text); }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

h1 {
  font-size: 2rem;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.25rem;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

p.lede {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0 0 32px;
}

section + section { margin-top: 8px; }

.portfolio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.portfolio-item {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  padding: 16px;
}

.portfolio-item h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.portfolio-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.portfolio-item a { font-size: 0.85rem; }

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  color: var(--muted);
  font-size: 0.85rem;
}

footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--text); }

@media (max-width: 520px) {
  h1 { font-size: 1.6rem; }
  .portfolio { grid-template-columns: 1fr; }
  nav a { margin-left: 14px; font-size: 0.9rem; }
}