*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#05070b;color:#e6ecf4}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}
.nav{position:sticky;top:0;z-index:90;background:rgba(5,7,11,.82);backdrop-filter:blur(24px);border-bottom:1px solid rgba(255,255,255,.05)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-weight:800;font-size:20px}
.menu{display:flex;gap:22px;align-items:center}
.btn{background:#10b981;color:#03130b;border-radius:10px;padding:10px 18px;font-weight:700}
.hero{padding:60px 0;background:radial-gradient(960px 360px at 10% -18%,rgba(16,185,129,.24),transparent),radial-gradient(960px 340px at 90% -22%,rgba(59,130,246,.2),transparent)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.hero-copy h1{font-size:46px;line-height:1.05;margin:0 0 14px}
.hero-copy p{opacity:.94;margin:0 0 18px}
.keywords{display:flex;gap:10px;flex-wrap:wrap}
.keywords span{border:1px solid rgba(255,255,255,.16);background:#0a0f18;border-radius:999px;padding:8px 14px;font-weight:600}
.hero-visual img{border:1px solid rgba(255,255,255,.08);border-radius:14px}
.swap{padding:30px 0}
.swap-grid{display:grid;grid-template-columns:1fr .65fr;gap:22px}
.swap-box{background:#0a0f18;border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:22px}
.field{margin:14px 0}
.field label{display:block;margin:0 0 8px;font-weight:700;font-size:14px}
.row{display:grid;grid-template-columns:180px 1fr;gap:10px}
select,input{width:100%;padding:12px;border-radius:10px;border:1px solid rgba(255,255,255,.16);background:#05070b;color:#e6ecf4}
.switch{width:42px;height:42px;margin:10px auto;border-radius:50%;border:1px solid rgba(16,185,129,.55);background:conic-gradient(from 0deg,#10b981,#3b82f6,#10b981);-webkit-mask:radial-gradient(circle at 50% 50%,transparent 14px,#000 15px);mask:radial-gradient(circle at 50% 50%,transparent 14px,#000 15px);cursor:pointer}
.rate{display:flex;justify-content:space-between;font-size:14px;margin:14px 0}
.btn.full{width:100%;display:inline-flex;justify-content:center;align-items:center;padding:12px 16px;border-radius:10px;border:0;background:#10b981;color:#03130b;font-weight:800;cursor:pointer}
.note{opacity:.76;font-size:12px;margin:14px 0 0}
.info-card{background:linear-gradient(180deg,#11202f,#0a0f18);border:1px solid rgba(255,255,255,.07);border-radius:16px;padding:22px}
.info-img{margin-top:12px;border-radius:12px;border:1px solid rgba(255,255,255,.07)}
.benefits,.reviews,.faq{padding:30px 0}
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.benefit{background:#0a0f18;border:1px solid rgba(255,255,255,.07);border-radius:14px;padding:20px}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-grid article{background:#0a0f18;border:1px solid rgba(255,255,255,.07);border-radius:14px;padding:20px}
.faq-list details{background:#0a0f18;border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:14px;margin:10px 0}
.cta{padding:32px 0 54px}
.cta-card{background:linear-gradient(180deg,#143227,#0a0f18);border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:32px;text-align:center}
.footer{border-top:1px solid rgba(255,255,255,.05);padding:22px 0;background:#05070b}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-note{display:flex;align-items:center;justify-content:space-between;opacity:.84;margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.05)}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}.swap-grid{grid-template-columns:1fr}.benefit-grid,.review-grid,.footer-grid{grid-template-columns:1fr}}