:root{
  --bg:#0b0e0f;
  --panel:#101417;
  --panel-2:#0d1214;
  --muted:#9aa4ab;
  --text:#e9eef2;
  --headline:#ffffff;
  --accent:#66f096;          /* neon green */
  --accent-2:#57e5f1;        /* aqua */
  --card:#0f1417;
  --card-border:#1f2b2f;
  --pill:#0e1517;
  --btn:#1a2328;
  --shadow: 0 8px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

.header{position:sticky;top:0;z-index:50;background:linear-gradient(180deg,rgba(11,14,15,.95),rgba(11,14,15,.65) 60%,transparent);backdrop-filter:saturate(120%) blur(6px);border-bottom:1px solid rgba(255,255,255,.04)}
.nav{display:flex;align-items:center;gap:28px;padding:16px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand img{width:28px;height:28px;border-radius:6px}
.brand span{letter-spacing:.2px}
.spacer{flex:1}
.nav a{font-size:.95rem;color:#d7dee4;opacity:.9}
.nav a:hover{opacity:1}
.btn-contact{padding:10px 16px;border-radius:18px;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#05210f;font-weight:700;box-shadow:var(--shadow)}

.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;padding:56px 0 28px}
h1{font-size:48px;line-height:1.1;margin:0 0 14px;color:var(--headline);letter-spacing:-.02em}
.hero p.lead{color:#b9c3c9;max-width:600px;margin:0 0 18px}
.cta{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 16px;border-radius:12px;background:#122027;border:1px solid #1e2c33;color:#dbe8ef;font-weight:700}
.btn:hover{border-color:#2a3c44}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#00210b;border:none}
.badges{display:flex;gap:14px;margin-top:8px}
.badge{font-size:.78rem;padding:6px 10px;border-radius:999px;background:#0c1417;border:1px solid #1f2a2f;color:#9db2bb}

.phone{position:relative;display:flex;justify-content:center}
.phone img{width:100%;max-width:400px;border-radius:28px;box-shadow:0 30px 60px rgba(0,0,0,.45)}

.section{padding:46px 0}
.section h2{font-size:32px;margin:0 0 18px;letter-spacing:-.01em}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem;color:var(--muted)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:#b2c0c7}

.preview-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.preview-row img{width:100%;border-radius:18px;box-shadow:0 20px 40px rgba(0,0,0,.35)}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare .panel{border-radius:14px;border:1px solid var(--card-border);background:var(--panel);padding:16px}
.compare .panel.alt{background:var(--panel-2)}
.compare h3{margin:0 0 6px}
.compare ul{margin:10px 0 0 0;padding:0 0 0 18px;color:#b9c6cc}
.compare li{margin:8px 0}

.hiw{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hiw .step{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:14px}
.hiw .step .num{font-weight:800;margin-bottom:6px;color:var(--accent)}

.calculator{background:var(--panel);border:1px solid var(--card-border);border-radius:16px;padding:18px}
.inputs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.input{display:flex;flex-direction:column;gap:6px}
input[type="number"]{background:#0f171a;border:1px solid #1f2b31;color:#e5eef3;border-radius:10px;padding:10px}
.output{margin-top:14px;font-size:22px;font-weight:800}
.output strong{color:#dffceb;background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}

.faq details{background:var(--card);border:1px solid var(--card-border);border-radius:12px;margin:8px 0;padding:8px 12px}
.faq summary{cursor:pointer;font-weight:700}
.footer{padding:24px 0;border-top:1px solid rgba(255,255,255,.06);margin-top:40px}
.footer .row{display:flex;align-items:center;gap:12px;justify-content:space-between;color:#93a6ae}
.footer .row .brand img{width:22px;height:22px}

@media (max-width:980px){
  .hero{grid-template-columns:1fr;gap:18px;padding-top:28px}
  h1{font-size:38px}
  .grid-3{grid-template-columns:1fr}
  .preview-row{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .hiw{grid-template-columns:1fr 1fr}
  .inputs{grid-template-columns:1fr}
}