:root, [data-theme="dark"] {
  --bg: #0f1115;
  --surface: #171a21;
  --border: #262b36;
  --text: #e6e9ef;
  --muted: #9aa3b2;
  --accent: #4f8cff;
}
[data-theme="light"] {
  --bg: #fafbfc;
  --surface: #ffffff;
  --border: #e3e7ee;
  --text: #1a1f2b;
  --muted: #5b6472;
  --accent: #2563eb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  font-size: 1rem;
}

.topbar {
  max-width: 55rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.brand { font-weight: 700; letter-spacing: -0.03em; }
.accent { color: var(--accent); }
.controls { display: flex; gap: 0.4rem; }
.ctl {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 0.5rem;
  padding: 0.3rem 0.65rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  line-height: 1.4;
}
.ctl.lang.active { background: var(--accent); border-color: var(--accent); color: #fff; }

main { max-width: 55rem; margin: 0 auto; padding: 0 1.5rem 3rem; }

.hero { padding: 1.5rem 0; }
.hero h1 { font-size: clamp(1.9rem, 6vw, 3rem); margin: 0 0 0.9rem; letter-spacing: -0.03em; }
.roles { list-style: none; margin: 0 0 0.65rem; padding: 0; font-size: 1.1rem; color: var(--muted); }
.roles li::before { content: "\2013  "; color: var(--accent); }
.tagline { font-size: 1.1rem; color: var(--muted); max-width: 44rem; margin: 0 0 2.75rem; }

.stats { display: flex; gap: 1.75rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 1.25rem; color: var(--accent); }
.stat span { color: var(--muted); font-size: 0.8rem; }

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.75rem; }
.chips span {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.cta { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 0.6rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:focus-visible, .ctl:focus-visible, a.card.link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

section { margin-top: 3.5rem; }
h2 { font-size: 1.35rem; margin: 0 0 1.25rem; letter-spacing: -0.02em; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); gap: 1rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1.25rem;
  color: var(--text);
  text-decoration: none;
  transition: border-color .15s;
}
a.card.link:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.arrow { color: var(--accent); }
.badge {
  font-size: 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  margin-left: 0.4rem;
  vertical-align: middle;
  color: var(--muted);
}
.card.muted { opacity: 0.75; }

.personal-grid { display: grid; grid-template-columns: minmax(15rem, 22rem) 1fr; gap: 1.5rem; align-items: start; }
.personal-grid img { width: 100%; aspect-ratio: 1 / 1; border-radius: 0.9rem; display: block; object-fit: cover; }
.personal-grid p { margin: 0 0 0.75rem; }
.personal-grid .small { color: var(--muted); font-size: 0.85rem; }

footer {
  max-width: 55rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
}
footer a { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
footer a:hover { color: var(--accent); }

/* Phone */
@media (max-width: 560px) {
  .topbar { padding: 0.75rem 1rem; }
  main { padding: 0 1rem 2.5rem; }
  .hero { padding: 1rem 0; }
  .roles { font-size: 1rem; }
  .tagline { font-size: 1rem; margin-bottom: 1.5rem; }
  .stats { gap: 1.25rem; margin-bottom: 1.5rem; }
  .stat strong { font-size: 1.1rem; }
  .chips { margin-bottom: 1.5rem; }
  section { margin-top: 2.5rem; }
  h2 { font-size: 1.2rem; margin-bottom: 1rem; }
  .cards { grid-template-columns: 1fr; }
  .personal-grid { grid-template-columns: 1fr; gap: 1rem; }
  footer { padding: 1.5rem 1rem 2rem; gap: 1rem; }
}