:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --border: #e5e7eb;
}

* {
  box-sizing: border-box;
}

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

.container {
  max-width: 960px;
  padding: 64px 24px;
  margin: 0 auto;
}

.hero {
  margin-bottom: 96px;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 720px;
}

.section {
  margin-bottom: 80px;
}

.section h2 {
  font-size: 1.75rem;
  margin-bottom: 24px;
}

.engagements p {
  max-width: 720px;
  color: var(--muted);
  margin-bottom: 16px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.list {
  padding-left: 20px;
}

.list li {
  margin-bottom: 12px;
}

.note {
  color: var(--muted);
}

.cta {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 24px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
}

.cta-section {
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: 16px;
  text-align: center;
}

.footer {
  margin-top: 96px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.portfolio {
  display: grid;
  gap: 32px;
}

.portfolio-item {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.portfolio-item h3 {
  margin-bottom: 8px;
}

.portfolio-item .meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 12px;
}

.portfolio-item ul {
  padding-left: 20px;
}

.portfolio-item li {
  margin-bottom: 8px;
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2.2rem;
  }
}