:root{
  --bg:#0f1221;
  --panel:#151939;
  --text:#e7ecff;
  --muted:#b8c0ff;
  --primary:#7cf6b5;
  --primary-ink:#0b3b28;
  --secondary:#78a6ff;
  --accent:#ffd37c;
  --border:rgba(255,255,255,0.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:radial-gradient(1200px 600px at 80% -10%, #1d2250 0%, #0f1221 60%);
  line-height:1.6;
}

h1,h2,h3{font-family:Poppins,Inter,sans-serif;margin:0 0 12px}
h1{font-size:clamp(28px,4vw,44px);line-height:1.15}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:clamp(18px,2.4vw,22px)}

.container{width:min(1120px,92%);margin-inline:auto}

.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(140%) blur(10px);
  background:linear-gradient(to bottom, rgba(15,18,33,0.9), rgba(15,18,33,0.6));
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo{display:flex;align-items:center;gap:8px;color:var(--text);text-decoration:none}
.logo-mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--primary),#9dfcff);color:#072a1f;font-weight:800}
.logo-text{font-weight:700;letter-spacing:0.2px}

.nav-toggle{display:none;background:transparent;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px}
.nav-menu{display:flex;gap:16px;align-items:center;list-style:none;margin:0;padding:0}
.nav-menu a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px}
.nav-menu a:hover{background:rgba(255,255,255,0.06);color:var(--text)}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:600;border:1px solid transparent;transition:.2s}
.btn-link{border:none;padding:8px 0;color:var(--secondary);background:transparent}
.btn-primary{background:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{filter:brightness(0.95)}
.btn-secondary{background:transparent;border-color:var(--secondary);color:var(--secondary)}
.btn-secondary:hover{background:rgba(120,166,255,0.12)}
.btn-outline{background:transparent;border-color:var(--text);color:var(--text)}
.btn-lg{padding:14px 18px;font-size:18px}

.hero{padding:64px 0 24px;border-bottom:1px solid var(--border)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.subhead{color:var(--muted);margin:10px 0 18px}
.feature-list{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;padding:0;list-style:none}
.feature-list li{border:1px solid var(--border);padding:6px 10px;border-radius:999px;background:rgba(255,255,255,0.04);color:var(--muted);font-size:14px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.badge{border:1px solid var(--border);padding:6px 10px;border-radius:999px;background:rgba(255,255,255,0.04);color:var(--muted);font-size:14px}
.hero-image img{width:100%;height:auto;border-radius:18px;border:1px solid var(--border);box-shadow:0 10px 40px rgba(0,0,0,0.4)}

.split{padding:56px 0;border-bottom:1px solid var(--border)}
.split-inner{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.muted{color:var(--muted)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.compare .col{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:14px;padding:16px}
.disclaimer{color:var(--muted);font-size:14px;margin-top:10px}
.small{font-size:12px}

.how,.why,.science,.compare-section,.lead,.faq{padding:56px 0;border-bottom:1px solid var(--border)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:14px;padding:18px}
.step-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#ffe7b0);color:#2f2507;display:grid;place-items:center;font-weight:800;margin-bottom:8px}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:14px;padding:18px}
.card.info{background:linear-gradient(180deg, rgba(120,166,255,0.15), rgba(255,255,255,0.02))}

.checklist{padding-left:18px}
.checklist li{margin:8px 0}

.science .disclaimer{margin-top:12px}

.compare-section .compare-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px
}
.compare-card{
  background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:14px;padding:16px;text-align:center
}
.compare-card img{height:56px;margin-bottom:10px}
.banner img{width:100%;border-radius:16px;border:1px solid var(--border);margin-top:18px}

.lead-inner{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.lead-form{display:grid;gap:10px;background:rgba(255,255,255,0.03);border:1px solid var(--border);padding:16px;border-radius:12px}
.lead-form input,.lead-form select{
  background:#0f1328;border:1px solid var(--border);color:var(--text);padding:10px;border-radius:10px
}
.lead-form input:focus,.lead-form select:focus{outline:2px solid var(--secondary);border-color:transparent}
.lead-success{margin-top:12px;background:rgba(124,246,181,0.1);border-left:3px solid var(--primary);padding:12px;border-radius:10px}
.lead-image img{width:100%;border-radius:18px;border:1px solid var(--border)}

.faq details{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:12px;padding:12px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:600}

.site-footer{padding:28px 0 0}
.footer-inner{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px;border-top:1px solid var(--border);padding-top:18px}
.footer-nav,.footer-legal{display:flex;flex-direction:column;gap:8px}
.footer-nav a,.footer-legal a{color:var(--muted);text-decoration:none}
.footer-bottom{padding:16px 0;color:var(--muted);border-top:1px solid var(--border);margin-top:16px;text-align:center}

/* Reveal on scroll */
.reveal{opacity:1 !important; transition:opacity .5s ease, transform .5s ease}

/* Responsive */
@media (max-width: 1024px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .compare-section .compare-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 920px){
  .hero-inner{grid-template-columns:1fr}
  .split-inner{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .compare-section .compare-grid{grid-template-columns:1fr}
  .lead-inner{grid-template-columns:1fr}
  .nav-toggle{display:inline-block}
  .nav-menu{display:none;position:absolute;right:16px;top:54px;background:#0f1328;border:1px solid var(--border);padding:10px;border-radius:12px;flex-direction:column;min-width:220px}
  .nav-menu.show{display:flex}
}