:root{--blue:#2563eb;--blue-dark:#1d4ed8;--text:#0f172a;--muted:#64748b;--bg:#fff;--border:#e2e8f0}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{text-decoration:none;color:inherit}.container{max-width:1120px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:10px 16px;font-weight:600;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-dark)}.btn-outline{border-color:var(--border);background:#fff;color:var(--text)}.btn-outline:hover{background:#f1f5f9}header.sticky{position:-webkit-sticky;position:sticky;top:0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:hsla(0,0%,100%,.75);border-bottom:1px solid var(--border);z-index:40}.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}.nav a{margin:0 10px;color:#334155}.hero{position:relative;overflow:hidden}.b1,.b2{position:absolute;border-radius:999px;filter:blur(40px);opacity:.7}.b1{top:-80px;right:-80px;background:#dbeafe}.b1,.b2{width:280px;height:280px}.b2{bottom:-80px;left:-80px;background:#bfdbfe}h1{font-size:clamp(32px,4vw,56px);line-height:1.1;margin:16px 0 0}.muted{color:var(--muted)}.row{display:flex;gap:12px;flex-wrap:wrap}.section{padding:64px 0}.title{font-size:28px;font-weight:800;margin:0}.subtitle{color:var(--muted);margin-top:6px;max-width:640px}.grid{display:grid;grid-gap:16px;gap:16px}@media(min-width:768px){.grid-4{grid-template-columns:repeat(4,1fr)}}.card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.pad{padding:16px}.img{aspect-ratio:4/3;border-radius:12px;background:linear-gradient(135deg,#e2e8f0,#f1f5f9);display:flex;align-items:center;justify-content:center;color:#475569;font-size:12px}footer{border-top:1px solid var(--border);padding:24px 0;background:hsla(0,0%,100%,.6)}input,textarea{width:100%;border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:14px}textarea{min-height:120px}.two{display:grid;grid-gap:16px;gap:16px}@media(min-width:900px){.two{grid-template-columns:1fr 1fr}}.badge{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700}