:root {
  --fg: #111;
  --muted: #666;
  --bg: #fff;
  --border: #e8e8e8;
  --max: 860px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body { font: 16px/1.55 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 20px 40px;
}

.hero { margin-bottom: 36px; }
.topbar { display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom: 10px; }
.lang { color: var(--muted); font-size: 14px; }
.lang a { color: var(--muted); border-bottom: 1px solid transparent; }
.lang a[aria-current="page"] { color: var(--fg); border-bottom-color: var(--border); }

h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.02em; margin: 0; }
.subtitle { margin: 10px 0 14px; color: var(--muted); font-weight: 600; }
.lead { margin: 0 0 18px; max-width: 70ch; }

.links { display: flex; flex-wrap: wrap; gap: 14px; }
a { color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--border); }
a:hover { border-bottom-color: var(--fg); }

section { margin: 34px 0; }
h2 { font-size: 18px; letter-spacing: 0.02em; text-transform: uppercase; margin: 0 0 14px; }
h3 { font-size: 16px; margin: 0 0 6px; }

.bullets { margin: 0; padding-left: 18px; }
.bullets li { margin: 8px 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 14px 12px;
}

.projects { display: grid; gap: 12px; }
.project {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 14px 12px;
}
.meta { color: var(--muted); margin: 0 0 6px; }
.muted { color: var(--muted); font-weight: 500; }

.footer {
  margin-top: 44px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 820px) {
  h1 { font-size: 34px; }
  .grid { grid-template-columns: 1fr; }
  .topbar { align-items:flex-start; flex-direction:column; }
}