:root{--bg:#0b141b;--panel:#142632;--panel2:#1a303d;--cyan:#2bc4d3;--cyan2:#70e0e8;--text:#edf7f9;--muted:#a9bec6;--line:#284451;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:
linear-gradient(rgba(43,196,211,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(43,196,211,.035) 1px,transparent 1px),var(--bg);background-size:34px 34px}
a{color:inherit}.top{background:#050b0f;color:#bad2d8;font-size:14px}.top .inner{max-width:1260px;margin:auto;padding:9px 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
header{background:rgba(11,20,27,.97);position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.head{max-width:1260px;margin:auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none}.logo{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--cyan);color:#081218;font-weight:900;font-size:25px}.brand strong{font-size:25px;display:block}.brand span{font-size:12px;color:var(--muted)}
nav{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}nav a{padding:9px 10px;border-radius:8px;text-decoration:none;font-weight:700;font-size:14px}nav a:hover{background:var(--panel2);color:var(--cyan2)}
.hero{max-width:1260px;margin:42px auto 70px;padding:0 24px;display:grid;grid-template-columns:1.03fr .97fr;gap:42px;align-items:center}.hero h1{font-size:62px;line-height:1.02;letter-spacing:-1.8px;margin:18px 0}.hero p{font-size:20px;line-height:1.65;color:var(--muted)}.hero-art{width:100%;border-radius:36px;box-shadow:0 28px 70px rgba(0,0,0,.4)}
.kicker{display:inline-block;padding:9px 14px;border-radius:999px;background:rgba(43,196,211,.12);border:1px solid rgba(43,196,211,.35);color:var(--cyan2);font-weight:800}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;justify-content:center;align-items:center;padding:13px 19px;border-radius:10px;background:var(--cyan);color:#071116;text-decoration:none;font-weight:900;box-shadow:0 10px 25px rgba(43,196,211,.18)}.btn:hover{background:var(--cyan2);transform:translateY(-2px)}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}
.section{max-width:1260px;margin:0 auto 70px;padding:0 24px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:24px}.section-title h2{font-size:40px;margin:0}.section-title p{max-width:680px;color:var(--muted);line-height:1.6;margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{position:relative;background:linear-gradient(145deg,var(--panel),#10212b);border:1px solid var(--line);border-radius:23px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 16px 38px rgba(0,0,0,.22);transition:.22s}.card:hover{transform:translateY(-6px);border-color:#387286}.card img{width:100%;height:210px;object-fit:cover}.card-body{padding:22px;display:flex;flex-direction:column;flex:1}.card h3{font-size:23px;margin:0 0 11px}.card p{color:var(--muted);line-height:1.55}.tags{display:flex;gap:7px;flex-wrap:wrap;margin:10px 0 18px}.tag{font-size:12px;background:#203b49;border:1px solid #315362;color:#ccebef;padding:6px 9px;border-radius:999px}.card-main{position:absolute;inset:0;z-index:1}.card-actions{position:relative;z-index:2;display:grid;gap:9px;margin-top:auto}
.panel{background:linear-gradient(145deg,var(--panel),#0f2029);border:1px solid var(--line);border-radius:25px;padding:32px;box-shadow:0 16px 38px rgba(0,0,0,.2)}.panel h1,.panel h2{font-size:42px;margin-top:0}.panel p,.panel li{color:var(--muted);line-height:1.72}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.visual{width:100%;border-radius:25px;border:1px solid var(--line)}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info{background:var(--panel);border:1px solid var(--line);border-radius:19px;padding:22px}.info h3{margin-top:0;color:var(--cyan2)}.info p{color:var(--muted);line-height:1.65}
.band{background:linear-gradient(135deg,#15303d,#10232d);border:1px solid var(--line);border-radius:30px;padding:36px}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.feature{background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:17px;padding:20px;line-height:1.5}.feature strong{color:var(--cyan2)}
.quick{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.quick a{padding:9px 12px;background:#1a3542;border:1px solid #2c5362;border-radius:999px;text-decoration:none;font-weight:700;font-size:13px}
.calculator{display:grid;grid-template-columns:1fr 1fr;gap:22px}.field{margin-bottom:16px}.field label{display:block;margin-bottom:7px;color:#d5e8ec;font-weight:700}.field input,.field select{width:100%;padding:13px 14px;border-radius:9px;border:1px solid var(--line);background:#0e1d25;color:#fff}.result{font-size:42px;font-weight:900;color:var(--cyan2);margin:15px 0}.note{font-size:13px;color:#8faab3}
.cta{background:linear-gradient(135deg,#163542,#10232d);border:1px solid var(--line);border-radius:28px;padding:36px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:34px;margin:0 0 10px}.cta p{color:var(--muted);margin:0}
footer{background:#050c10;margin-top:75px;border-top:1px solid var(--line)}.footer{max-width:1260px;margin:auto;padding:44px 24px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footer p{color:#9eb6be;line-height:1.6}.footer a{color:#d9f5f7}.copy{max-width:1260px;margin:auto;padding:16px 24px;border-top:1px solid #142b35;color:#78949d;font-size:13px}
@media(max-width:1050px){.hero,.content-grid,.calculator{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.features{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.head{display:block}.brand{margin-bottom:13px}nav{justify-content:flex-start}.hero h1{font-size:42px}.grid,.info-grid,.features,.footer{grid-template-columns:1fr}.section-title,.cta{display:block}.cta .actions{margin-top:20px}}