:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #5b6770;
  --accent: #1f5fa8;
  --accent-soft: #e6eef8;
  --border: #d9e0e7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --surface: #182029;
    --text: #e6ebf0;
    --muted: #97a3ae;
    --accent: #6fb0f2;
    --accent-soft: #1d2c3d;
    --border: #2a3541;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: var(--accent); }

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand { font-weight: 700; color: var(--text); text-decoration: none; }

.nav-links { display: flex; flex-wrap: wrap; gap: 16px; }

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover { color: var(--accent); }

/* Hero */
.hero { padding: 56px 0 40px; }

.hero .wrap {
  display: flex;
  align-items: center;
  gap: 32px;
}

.hero-text { flex: 1; }

.hero h1 { margin: 0 0 6px; font-size: 2.4rem; line-height: 1.15; }

.hero .role { margin: 0 0 14px; font-size: 1.2rem; color: var(--accent); font-weight: 600; }

.hero .lead { margin: 0 0 22px; color: var(--muted); max-width: 56ch; }

.photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent);
  flex: none;
}

.actions { display: flex; flex-wrap: wrap; gap: 10px; }

.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  font-weight: 600;
  text-decoration: none;
  color: var(--accent);
}

.btn.primary { background: var(--accent); color: var(--bg); }

.btn:hover { opacity: 0.85; }

/* Sections */
section { padding: 36px 0; }

h2 {
  margin: 0 0 20px;
  font-size: 1.5rem;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.card + .card { margin-top: 16px; }

.card h3 { margin: 0; font-size: 1.1rem; }

.meta { margin: 2px 0 10px; color: var(--muted); font-size: 0.95rem; }

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

.card li + li { margin-top: 4px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.grid .card + .card { margin-top: 0; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }

.tags li {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.9rem;
}

.cv-frame {
  width: 100%;
  height: 720px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.contact-list { list-style: none; margin: 0; padding: 0; }

.contact-list li + li { margin-top: 6px; }

footer {
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

@media (max-width: 700px) {
  .hero .wrap { flex-direction: column-reverse; text-align: center; }
  .hero .lead { margin-left: auto; margin-right: auto; }
  .actions { justify-content: center; }
  .hero h1 { font-size: 2rem; }
  .cv-frame { height: 520px; }
}