:root {
  --bg: #0f1115;
  --fg: #e7e9ee;
  --muted: #9aa3b2;
  --accent: #5b8cff;
  --card: #171a21;
  --border: #272b35;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  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;
}

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

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
}

.brand {
  font-weight: 600;
  color: var(--fg);
}

.nav-links a {
  margin-left: 1.25rem;
  color: var(--muted);
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--fg);
}

.content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.profile-photo {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
}

.hero h1 {
  font-size: 2.25rem;
  margin-bottom: 0.25rem;
}

.tagline {
  color: var(--muted);
  font-size: 1.1rem;
  margin-top: 0;
}

.contact-links a {
  margin-right: 1rem;
}

.project-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
}

.project-card h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.tags {
  margin-top: 0.75rem;
}

.tag {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  margin-right: 0.4rem;
}

code {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
  font-size: 0.9em;
}