@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg: #FAFAFA;
  --text: #09090B;
  --heading: #18181B;
  --secondary: #3F3F46;
  --accent: #2563EB;
  --border: #E4E4E7;
  --tag-bg: #F4F4F5;
  --font-heading: 'JetBrains Mono', monospace;
  --font-body: 'IBM Plex Sans', sans-serif;
  --max-w: 720px;
  --space: 2rem;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space) 1rem;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--heading);
  line-height: 1.3;
}

h1 { font-size: 1.75rem; font-weight: 700; }
h2 { font-size: 1.125rem; font-weight: 600; margin-bottom: 1rem; }
h3 { font-size: 1rem; font-weight: 600; }

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

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

.profile-header { padding-bottom: var(--space); }
.profile-header .role {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  color: var(--secondary);
  margin-top: 0.25rem;
}
.profile-header .focus {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  color: var(--secondary);
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
}
.profile-header .intro {
  color: var(--secondary);
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.header-links {
  display: flex;
  gap: 0.75rem;
  list-style: none;
  margin-top: 0.75rem;
}
.header-links a {
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.375rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  line-height: 0;
}
.header-links a:hover { color: var(--accent); border-color: var(--accent); }
.header-links svg { display: block; width: 16px; height: 16px; }

.about p { color: var(--secondary); }
.about p + p { margin-top: 0.75rem; }

.about-blocks { margin: 0; }
.about-blocks dt {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  color: var(--heading);
  margin-bottom: 0.25rem;
}
.about-blocks dd {
  color: var(--secondary);
  margin-bottom: 1rem;
}
.about-blocks dd:last-child { margin-bottom: 0; }

.skills-group { margin-bottom: 1rem; }
.skills-group:last-child { margin-bottom: 0; }
.skills-group h3 {
  font-size: 0.8125rem;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}
.skills-list li {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  color: var(--heading);
  background: var(--tag-bg);
  border: 1px solid var(--border);
  padding: 0.25rem 0.75rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .projects-grid { grid-template-columns: 1fr 1fr; }
}
.project-card {
  border: 1px solid var(--border);
  padding: 1.25rem;
  cursor: pointer;
}
.project-card:hover { border-color: var(--secondary); }
.project-type {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--secondary);
  display: block;
  margin-bottom: 0.375rem;
}
.project-card h3 { margin-bottom: 0.5rem; }
.project-card p {
  font-size: 0.875rem;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}
.project-card .project-link {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
}

footer {
  padding: var(--space) 0;
  border-top: 1px solid var(--border);
}
.copyright {
  font-size: 0.8125rem;
  color: var(--secondary);
}

.quick-links {
  padding: var(--space) 0;
  border-top: 1px solid var(--border);
}
.quick-links h2 { font-size: 1.125rem; font-weight: 600; margin-bottom: 1rem; }
.quick-links-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}
.quick-links-list a {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  color: var(--heading);
  background: var(--tag-bg);
  border: 1px solid var(--border);
  padding: 0.25rem 0.75rem;
  display: inline-block;
}
.quick-links-list a:hover {
  border-color: var(--secondary);
  text-decoration: none;
}

.load-error {
  font-size: 0.875rem;
  color: var(--secondary);
  font-style: italic;
}