:root {
  --bg: #f6f7f9;
  --surface: #fff;
  --text: #1a2230;
  --muted: #5c6778;
  --accent: #3d6ea8;
  --border: #e2e6ec;
  --max: 880px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { color-scheme: light only; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

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

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

.lang { display: flex; gap: 6px; }

.lang button {
  font: inherit;
  font-size: 0.78rem;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}

.lang button.active {
  background: #eef1f5;
  color: var(--text);
  font-weight: 600;
}

.hero { padding: 56px 24px 40px; }

.eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.25;
  margin-bottom: 14px;
  max-width: 640px;
}

.lead {
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 20px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags span {
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
}

.section { padding: 40px 24px; }
.section-alt { background: var(--surface); }

.section h2 {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}

.section-alt .card { background: var(--bg); }

.card h3 { font-size: 0.95rem; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 0.88rem; }

.about { color: var(--muted); max-width: 560px; }

.phone { font-size: 1.05rem; margin-bottom: 14px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 8px;
  text-decoration: none;
}

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

.footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  color: var(--muted);
  font-size: 0.85rem;
}