:root{
  --bg:#0b0f17;
  --bg-2:#0f1422;
  --surface:#121a2b;
  --border:rgba(255,255,255,0.08);
  --text:#e6ebf5;
  --muted:#8a94a8;
  --primary:#5b8cff;
  --primary-2:#7ad0ff;
  --accent:#a78bff;
  --grad: linear-gradient(135deg,#7ad0ff 0%,#5b8cff 45%,#a78bff 100%);
  --radius:14px;
  --max:1160px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}

/* Nav */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(11,15,23,0.75);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-0.01em}
.logo-mark{font-family:'JetBrains Mono',monospace;font-size:14px;background:var(--grad);color:#0b0f17;padding:4px 8px;border-radius:8px}
.logo-accent{color:var(--muted);font-weight:500}
.nav-links{display:flex;gap:28px}
.nav-links a{color:var(--muted);font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .2s ease, background .2s}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:var(--grad);color:#0b0f17;box-shadow:0 10px 30px -10px rgba(91,140,255,.55)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 36px -10px rgba(91,140,255,.65)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface)}

/* Hero */
.hero{position:relative;padding:96px 0 80px;overflow:hidden}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary-2);font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.05;letter-spacing:-0.025em;margin:0 0 22px;font-weight:800;max-width:18ch}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--muted);font-size:clamp(16px,1.5vw,19px);max-width:62ch;margin:0 0 32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:64px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;border-top:1px solid var(--border);padding-top:32px;max-width:780px}
.hero-stats div{display:flex;flex-direction:column;gap:4px}
.hero-stats strong{font-size:18px}
.hero-stats span{color:var(--muted);font-size:14px}
.hero-glow{position:absolute;top:-180px;right:-160px;width:600px;height:600px;border-radius:50%;background:radial-gradient(closest-side,rgba(122,208,255,.18),transparent 70%);pointer-events:none;z-index:-1}

/* Sections */
.section{padding:96px 0;border-top:1px solid var(--border)}
.section-alt{background:var(--bg-2)}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(28px,3.5vw,42px);letter-spacing:-0.02em;margin:0 0 14px;font-weight:700}
.section-head p{color:var(--muted);margin:0}

/* Grid + cards */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:transform .2s ease, border-color .2s, background .2s}
.card:hover{transform:translateY(-3px);border-color:rgba(122,208,255,.25)}
.card-icon{width:42px;height:42px;border-radius:10px;background:rgba(122,208,255,.1);color:var(--primary-2);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;font-family:'JetBrains Mono',monospace}
.card h3{margin:0 0 10px;font-size:19px;letter-spacing:-0.01em}
.card p{color:var(--muted);margin:0;font-size:15px}

/* Steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.steps li{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;position:relative}
.step-num{font-family:'JetBrains Mono',monospace;color:var(--primary-2);font-size:13px;letter-spacing:.1em;display:block;margin-bottom:14px}
.steps h3{margin:0 0 8px;font-size:18px}
.steps p{margin:0;color:var(--muted);font-size:14.5px}

/* Why */
.why-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
.why-grid h2{font-size:clamp(28px,3.2vw,38px);letter-spacing:-0.02em;margin:0 0 18px}
.checklist{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:14px}
.checklist li{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 18px;font-weight:500;display:flex;align-items:center;gap:12px}
.checklist li::before{content:"✓";color:#0b0f17;background:var(--grad);width:22px;height:22px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact h2{font-size:clamp(28px,3.2vw,38px);letter-spacing:-0.02em;margin:0 0 14px}
.contact p{color:var(--muted)}
.contact-meta{margin-top:20px;font-family:'JetBrains Mono',monospace;color:var(--primary-2)}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;display:grid;gap:14px}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);font-weight:500}
.contact-form input,.contact-form textarea{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:11px 13px;color:var(--text);font-family:inherit;font-size:15px;transition:border-color .15s, box-shadow .15s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,140,255,.18)}
.contact-form button{margin-top:6px;justify-self:start}

/* Form alerts */
.form-alert{padding:12px 14px;border-radius:8px;font-size:14px;font-weight:500;border:1px solid var(--border)}
.form-alert-success{background:rgba(122,208,255,.08);border-color:rgba(122,208,255,.35);color:var(--primary-2)}
.form-alert-error{background:rgba(255,99,99,.08);border-color:rgba(255,99,99,.35);color:#ff8a8a}

/* Footer */
.footer{border-top:1px solid var(--border);padding:32px 0;background:var(--bg-2)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.footer p{margin:0;color:var(--muted);font-size:14px}

/* Responsive */
@media (max-width: 900px){
  .grid-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .why-grid,.contact{grid-template-columns:1fr;gap:36px}
  .nav-links{display:none}
}
@media (max-width: 580px){
  .grid-3,.steps,.hero-stats{grid-template-columns:1fr}
  .hero{padding:64px 0 56px}
  .section{padding:64px 0}
}