:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #263041;
  --text: #e6edf3;
  --muted: #9aa7b4;
  --accent: #58a6ff;
  --accent-strong: #1f6feb;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --panel: #f6f8fa;
    --border: #d8dee4;
    --text: #1f2328;
    --muted: #57606a;
    --accent: #0969da;
    --accent-strong: #0969da;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Шапка */
.hero {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  padding: 64px 0 48px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.latin {
  margin: 4px 0 18px;
  color: var(--muted);
  font-size: 18px;
}

.lead {
  max-width: 62ch;
  margin: 0 0 16px;
  font-size: 18px;
}

.facts {
  margin: 0 0 26px;
  color: var(--muted);
  font-size: 15px;
}

.lead-strong {
  max-width: 62ch;
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
  font-size: 17px;
}

.callout {
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  background: var(--panel);
}

.callout p { margin: 0; }

.steps {
  margin: 20px 0 16px;
  padding-left: 22px;
}

.steps li { margin-bottom: 12px; }
.steps li:last-child { margin-bottom: 0; }

.links { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: 15px;
  transition: border-color .15s ease, background .15s ease;
}

.btn:hover { border-color: var(--accent); text-decoration: none; }

.btn.primary {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #fff;
}

.btn.primary:hover { filter: brightness(1.08); }

/* Секции */
main { padding: 8px 0 24px; }

section {
  padding: 34px 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type { border-bottom: 0; }

h2 {
  margin: 0 0 18px;
  font-size: 22px;
  letter-spacing: -0.01em;
}

h3 { margin: 0 0 4px; font-size: 17px; }

p { margin: 0 0 14px; }
p:last-child { margin-bottom: 0; }

.muted { color: var(--muted); font-size: 15px; }

/* Направления */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}

.card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Опыт */
.job {
  padding: 22px 0 24px;
  border-top: 1px solid var(--border);
}

.job:first-of-type { border-top: 0; padding-top: 4px; }

.job-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 16px;
}

.job-meta {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.job-note {
  margin: 8px 0 12px;
  color: var(--muted);
  font-size: 15px;
}

.job ul {
  margin: 0 0 14px;
  padding-left: 20px;
}

.job li { margin-bottom: 8px; }
.job li:last-child { margin-bottom: 0; }

.stack {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Компетенции */
.skills { margin: 0; }

.skills dt {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
}

.skills dd {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
}

.skills dd:last-child { margin-bottom: 0; }

/* Контакты */
.contacts {
  margin: 0 0 16px;
  padding: 0;
}

.contacts dt {
  padding-top: 10px;
  color: var(--muted);
  font-size: 15px;
}

.contacts dd {
  margin: 2px 0 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}

.contacts dt:first-of-type { padding-top: 0; }

.contacts dt:last-of-type + dd { border-bottom: 0; }

/* Подвал */
footer {
  padding: 28px 20px 48px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 520px) {
  .hero { padding: 44px 0 36px; }
  .job-head { flex-direction: column; }
}