:root{
  --bg-gradient: linear-gradient(180deg,#ffffff,#f1f6fb);
  --muted:#6b7280; --accent:#0f9d58; --dark:#0b1220;
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg-gradient);color:var(--dark);line-height:1.45}
.container{max-width:1100px;margin:0 auto;padding:40px 20px}
.header{display:flex;justify-content:space-between;align-items:center;padding:8px 0}
.logo{font-weight:800;font-size:25px}
h1{font-size:40px;line-height:1.02;margin:0 0 14px}
h2{font-size:32px;margin:0 0 12px}
h3{font-size:30px;}
h4{font-size:20px;}
p{font-size:18px;}
.hero{display:grid;grid-template-columns:1fr 520px;gap:36px;align-items:center;padding:36px 0}
.hero p{color:var(--muted);max-width:56ch;margin:0 0 18px}
.btn{display:block;padding:16px 22px;border-radius:10px;text-decoration:none;font-weight:700;cursor:pointer;font-size:1.05rem;text-align:center}
.btn-primary{background:var(--accent);background-color:#C04040;color:#fff;border:none;box-shadow:0 8px 20px rgba(15,157,88,0.12)}
.preview-card{border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(10,20,40,0.06);background:linear-gradient(180deg,#fff,#fbfdff);padding:18px}
.why-grid{display:grid;grid-template-columns:1fr 360px;gap:36px;   gap:28px;align-items:flex-start;padding:30px 0}
.why-left{flex:1}
.why-right{xxxxxwidth:360px;background:#fff;padding:20px;border-radius:12px;box-shadow:0 6px 18px rgba(10,20,40,0.03)}
.check{display:flex;gap:12px;align-items:flex-start;padding:10px 0}
.adv{background:var(--dark);color:#fff;padding:34px;border-radius:12px;display:flex;gap:24px;align-items:center}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:18px}
.card{background:#fff;padding:18px;border-radius:10px;box-shadow:0 8px 24px rgba(10,20,40,0.04);text-align:center}
.final{background:linear-gradient(180deg,#fff,#f7fafc);padding:30px;border-radius:12px;margin-top:28px;text-align:center}
.footer{display:flex;justify-content:space-between;align-items:center;padding:20px 0;color:var(--muted);font-size:14px}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,0.55);display:flex;align-items:center;justify-content:center;z-index:60;opacity:0;pointer-events:none;transition:opacity .28s ease}
.modal-backdrop.show{opacity:1;pointer-events:auto}
.modal{background:white;border-radius:14px;max-width:640px;width:92%;padding:28px;transform:scale(.8);transition:transform .28s cubic-bezier(.2,.9,.3,1);box-shadow:0 20px 50px rgba(2,6,23,0.3)}
.modal.show{transform:scale(1)}
.modal-close{background:#f3f4f6;border-radius:8px;padding:10px 14px;border:none;cursor:pointer;font-weight:700}
@media(max-width:980px){.speed-meter{width:150px}.hero{grid-template-columns:1fr;gap:28px}.preview-card{order:2}.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.why-grid{grid-template-columns:1fr;gap:28px}.why-right:{width:100%}}
@media(max-width:520px){.speed-meter{width:100px}.cards{grid-template-columns:1fr}.adv{display:flow}h1,h2,h3{font-size:28px}}
.btn-secondary {
    background: transparent;
    border: 1px solid #e6e9ee;
    color: var(--dark);
}