:root{
  --bg: #0b0f17;
  --surface: #101826;
  --card: #0f172a;
  --alt: #0d1422;
  --text: #e8edf7;
  --muted: #b3bfd6;
  --line: rgba(232,237,247,.14);
  --accent: #5aa7ff;
  --accent2:#6ee7ff;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
  --max: 1120px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1000px 600px at 20% 10%, rgba(90,167,255,.18), transparent 60%),
              radial-gradient(900px 500px at 85% 0%, rgba(110,231,255,.14), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
a.link{ color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a.link:hover{ opacity:.9; }

.container{
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11,15,23,.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 18px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .2px;
}

.brand-mark{
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(90,167,255,.12);
}

.nav{
  display:flex;
  align-items:center;
  gap: 16px;
  font-weight: 600;
  color: var(--muted);
}

.nav a:hover{ color: var(--text); }
.nav-cta{
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,.04);
}

.hero{
  padding: 54px 0 30px;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .9fr;
  gap: 24px;
  align-items:start;
}

.eyebrow{
  margin: 0 0 10px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .4px;
}

h1{
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.5px;
}

.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 18px;
  max-width: 62ch;
}

.cta-row{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 22px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 700;
}

.btn:hover{ transform: translateY(-1px); transition: .14s ease; }

.btn.primary{
  background: linear-gradient(135deg, rgba(90,167,255,.95), rgba(110,231,255,.75));
  border: 0;
  color: #07101c;
  box-shadow: 0 12px 35px rgba(90,167,255,.18);
}

.trust-row{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.trust{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  background: rgba(255,255,255,.03);
}

.trust-kpi{
  font-weight: 800;
  letter-spacing: .2px;
}

.trust-label{
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

.section{
  padding: 44px 0;
}

.section.alt{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head{
  display:flex;
  gap: 18px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}

.section-head h2{
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.2px;
}

.muted{ color: var(--muted); }
.small{ font-size: 13px; }

.card, .tile{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16,24,38,.55);
  box-shadow: var(--shadow);
}

.card{
  padding: 18px 18px 16px;
}

.tile{
  padding: 16px;
  background: rgba(16,24,38,.40);
  box-shadow: none;
}

.grid-4{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.grid-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.arch-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 12px;
  align-items:start;
}

h2,h3{ margin-top: 0; }
h3{ margin-bottom: 8px; }

.bullets, .checklist, .steps{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.checklist{
  list-style: none;
  padding-left: 0;
}

.checklist li{
  padding-left: 26px;
  position: relative;
  margin: 10px 0;
  color: var(--muted);
}

.checklist li::before{
  content: "?";
  position: absolute;
  left: 0;
  top: 0;
  color: rgba(110,231,255,.95);
  font-weight: 900;
}

.steps{
  padding-left: 18px;
}

.svg-wrap{
  margin: 12px 0 8px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--text);
}

.chips{
  list-style:none;
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 0;
  margin: 10px 0 0;
}

.chips li{
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}

.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.fineprint{
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer{
  padding: 22px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-row{
  display:flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-links{
  display:flex;
  gap: 14px;
}

.footer-links a:hover{ color: var(--text); }

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-4{ grid-template-columns: repeat(2, 1fr); }
  .arch-grid{ grid-template-columns: 1fr; }
  .trust-row{ grid-template-columns: 1fr; }
  .section-head{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px){
  .grid-4{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .nav{ gap: 10px; }
}