:root{--primary:#155eef;--accent:#f97316}*{box-sizing:border-box}body{margin:0;color:#172033;font-family:Arial,Arial,sans-serif;line-height:1.65}header,footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px max(5vw,24px);background:#fff}header{position:sticky;top:0;border-bottom:1px solid #e5e7eb}.brand{font-weight:800;color:var(--primary);font-size:1.25rem}.brand img{max-width:190px;max-height:65px}nav{display:flex;gap:18px;flex-wrap:wrap}a{color:var(--primary);text-decoration:none}main{min-height:65vh}section,article{max-width:1000px;margin:auto;padding:clamp(45px,8vw,100px) 24px}.hero{max-width:none;text-align:center;background:linear-gradient(135deg,#f8fafc,#eff6ff)}h1{font-size:clamp(2.3rem,6vw,4.8rem);line-height:1.05}.button,button{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:13px 22px;font-weight:700}form{max-width:650px}label{display:block;margin:16px 0}input,textarea{display:block;width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:6px}textarea{min-height:140px}footer{background:#111827;color:#fff;flex-wrap:wrap}@media(max-width:720px){header{align-items:flex-start;flex-direction:column}nav{gap:11px}}