:root{--bg: #ffffff;--text: #111827;--muted: #6b7280;--brand: #0b5bd3;--brand-dark: #0b2a55;--border: rgba(0, 0, 0, .12);--focus-ring: rgba(11, 91, 211, .28);--radius-card: 12px;--radius-control: 10px;--container: 1100px;--section-space: 72px;--header-offset: 116px}html{scroll-behavior:smooth;scroll-padding-top:var(--header-offset)}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.5}.container{max-width:var(--container);margin:0 auto;padding:0 20px}.section{padding:var(--section-space) 0}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-control);padding:12px 18px;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px #0b5bd33d}.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px var(--focus-ring),0 10px 22px #0b5bd33d}:where(a,button):focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}h1,h2,h3{margin:0 0 12px;line-height:1.15}p{margin:0 0 12px;color:var(--muted)}@media(max-width:860px){:root{--header-offset: 88px;--section-space: 60px}}