:root {
  --bg: #fafaf7;
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --accent: #2b5fff;
  --card-bg: #ffffff;
  --card-border: #ececec;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 6px 24px rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #f3f3f3;
    --muted: #a0a4ab;
    --accent: #7aa2ff;
    --card-bg: #171a21;
    --card-border: #232732;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 24px rgba(0, 0, 0, 0.25);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
}

.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0 0 1.2rem;
}

.hero-links a {
  color: var(--accent);
  text-decoration: none;
  margin-right: 1rem;
  font-weight: 500;
}

.hero-links a:hover {
  text-decoration: underline;
}

section {
  margin-top: 3rem;
}

h2 {
  font-size: 1.25rem;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

section p a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

section p a:hover {
  text-decoration: underline;
}

.projects {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.project {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.project h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.project p {
  color: var(--muted);
  margin: 0 0 0.8rem;
  font-size: 0.95rem;
  flex: 1;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  align-self: flex-start;
}

.project-link:hover {
  text-decoration: underline;
}

footer {
  margin-top: 4rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--card-border);
  padding-top: 1.2rem;
}