:root{
  --bg:#0b0f19;
  --card:#11162a;
  --muted:#9aa4b2;
  --text:#e5e7eb;
  --ink:#0b0f19;
  --brand:#0ea5e9; /* deep sky blue */
  --brand-strong:#0284c7;
  --ring:rgba(14,165,233,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Robotto,Arial,sans-serif;background:#0a0f1a;color:var(--text);line-height:1.6}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5rem}
h1{font-size:clamp(2rem,3vw,3rem)}
h2{font-size:clamp(1.5rem,2.5vw,2.25rem);margin:0 0 1rem}
h3{font-size:1.25rem;margin:.25rem 0 .5rem}
p{margin:.25rem 0 1rem}
.container{max-width:1080px;margin:0 auto;padding:0 1rem}
.center{text-align:center}

.site-header{position:sticky;top:0;background:rgba(10,15,26,.8);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid rgba(255,255,255,.06);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;color:var(--text)}
.logo-mark{fill:var(--brand)}
.logo-text{letter-spacing:.5px}
.nav{display:flex;gap:1rem;align-items:center}
.nav a{padding:.25rem .5rem;border-radius:.5rem}
.nav a:hover{background:rgba(255,255,255,.06);text-decoration:none}
.hamburger{display:none;background:none;border:none;cursor:pointer}
.hamburger span{display:block;width:24px;height:2px;background:#e5e7eb;margin:5px 0;border-radius:2px}

.btn{display:inline-block;padding:.7rem 1rem;border-radius:.75rem;font-weight:600;border:1px solid rgba(255,255,255,.12)}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#04121a}
.btn-primary:hover{background:var(--brand-strong);border-color:var(--brand-strong);color:#031018}
.btn-ghost{background:transparent;color:var(--text)}

.hero{padding:4rem 0 2rem;background:radial-gradient(65% 80% at 50% 0%, rgba(14,165,233,.18), transparent 60%)}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:start}
.hero-copy .lead{color:var(--muted)}
.actions{display:flex;gap:.75rem;margin:1rem 0 1rem}
.proof-points{display:grid;grid-template-columns:1fr 1fr;gap:.25rem .75rem;padding:0;margin:1rem 0 0;list-style: "✓  "}
.proof-points li{color:#cbd5e1}

.hero-card{background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.08);border-radius:1rem;padding:1rem}
.card-list{margin:.5rem 0 0;padding-left:1rem}
.card-list li{margin:.25rem 0}

.section{padding:3rem 0}
.grid.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.card{background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);padding:1rem;border-radius:1rem;color:var(--text)}
.card:hover{border-color:rgba(14,165,233,.6);box-shadow:0 0 0 4px var(--ring);transform:translateY(-2px)}

.cta{padding:2.5rem 0;background:linear-gradient(180deg, rgba(14,165,233,.12), rgba(14,165,233,.04));border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}

.narrow{max-width:800px;margin:0 auto}
.checklist{padding-left:1.2rem}
.checklist li{margin:.25rem 0}
.callout{margin:2rem 0;padding:1rem;border-radius:1rem;border:1px dashed rgba(14,165,233,.6);background:rgba(14,165,233,.05)}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}

.form{display:grid;gap:.75rem}
.form input,.form textarea{width:100%;padding:.7rem .8rem;border-radius:.6rem;border:1px solid rgba(255,255,255,.12);background:#0d1424;color:var(--text)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--ring)}
.form button{width:max-content}

.site-footer{border-top:1px solid rgba(255,255,255,.06);margin-top:2rem;padding:2rem 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1rem}
.footer-logo{display:flex;gap:.5rem;align-items:center}
.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.06);padding:1rem 0;margin-top:1rem}
.link-list{list-style:none;padding:0;margin:0}
.link-list li{margin:.25rem 0}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.sr-only{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:8px;top:8px;width:auto;height:auto;background:#fff;color:#111;padding:.5rem;border-radius:.5rem;z-index:999}

@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr}
  .grid.cards{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav{display:none;flex-direction:column;background:#0d1424;position:absolute;right:1rem;top:64px;padding:1rem;border-radius:.75rem;border:1px solid rgba(255,255,255,.08)}
  .hamburger{display:block}
}
@media (max-width: 560px){
  .grid.cards{grid-template-columns:1fr}
}