:root{
  --bg:#f7f9fc;
  --bg2:#eef2ff;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --border:#e5e7eb;
  --shadow: 0 10px 30px rgba(2, 6, 23, .08);
  --primary:#2563eb;
  --primary2:#1d4ed8;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: var(--primary); text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width:min(1100px, calc(100% - 40px));
  margin:0 auto;
}

.topbar{
  position: sticky;
  top:0;
  z-index: 10;
  background: rgba(15, 23, 42, .9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  color:#fff;
}
.brand{ display:flex; gap:10px; align-items:center; }
.brand__dot{
  width:10px; height:10px; border-radius:50%;
  background: linear-gradient(135deg, #60a5fa, #34d399);
  display:inline-block;
}
.brand__name{ font-weight: 700; letter-spacing: .2px; }
.nav a{
  color: rgba(255,255,255,.85);
  margin-left: 16px;
  font-size: 14px;
}
.nav a:hover{ color:#fff; text-decoration:none; }

.hero{
  padding: 64px 0 26px 0;
  background:
    radial-gradient(1000px 360px at 20% 0%, rgba(37,99,235,.20), transparent 60%),
    radial-gradient(900px 360px at 90% 10%, rgba(52,211,153,.18), transparent 55%),
    var(--bg);
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 26px;
  align-items:start;
}
@media (max-width: 900px){
  .hero__grid{ grid-template-columns: 1fr; }
}

.badge{
  display:inline-block;
  background: rgba(37,99,235,.10);
  border: 1px solid rgba(37,99,235,.20);
  color: var(--primary2);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 14px;
}
h1{
  margin:0 0 10px 0;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: -.4px;
}
.lead{
  color: var(--muted);
  font-size: 17px;
  margin: 0 0 18px 0;
}

.cta{ display:flex; gap: 12px; flex-wrap: wrap; margin: 18px 0 10px; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 11px 16px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid transparent;
  box-shadow: none;
  cursor:pointer;
}
.btn--primary{
  background: var(--primary);
  color: #fff;
}
.btn--primary:hover{ background: var(--primary2); text-decoration:none; }
.btn--ghost{
  background: rgba(255,255,255,.55);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn--ghost:hover{ background:#fff; text-decoration:none; }

.trust{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.trust__item{
  background: rgba(255,255,255,.7);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
  min-width: 210px;
}
.trust__item strong{ display:block; font-size: 14px; margin-bottom:2px; }
.trust__item span{ color: var(--muted); font-size: 13px; }

.hero__card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 18px;
  box-shadow: var(--shadow);
}
.hero__card h3{ margin: 4px 0 10px; }
.list{ margin:0; padding:0; list-style:none; }
.list li{
  display:flex; gap:10px; align-items:flex-start;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(148,163,184,.45);
}
.list li:last-child{ border-bottom: none; }
.dot{
  width:10px; height:10px; border-radius:50%;
  background: rgba(37,99,235,.25);
  border: 1px solid rgba(37,99,235,.25);
  margin-top: 6px;
}

.section{ padding: 54px 0; }
.section.alt{ background: rgba(15,23,42,.03); }
.section__head{ margin-bottom: 16px; }
.section__head h2{ margin:0 0 8px 0; font-size: 28px; }
.sub{ margin:0; color: var(--muted); font-size: 16px; max-width: 850px; }

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.card--flat{
  box-shadow:none;
  background: rgba(255,255,255,.75);
}

.split{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
  align-items:start;
}
@media (max-width: 900px){
  .split{ grid-template-columns:1fr; }
}

.callout{
  background: linear-gradient(180deg, rgba(37,99,235,.08), rgba(52,211,153,.06));
  border: 1px solid rgba(37,99,235,.12);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.bullets{ margin: 12px 0 0; padding-left: 18px; color: var(--text); }
.bullets li{ margin: 8px 0; color: var(--muted); }

.faq .qa{
  background:#fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  margin-top: 10px;
}
.qa summary{ cursor:pointer; font-weight: 700; }
.qa p{ margin: 10px 0 0; color: var(--muted); }

.final-cta{
  background: #0f172a;
  color: #fff;
  padding: 34px 0;
}
.final-cta__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 16px;
  flex-wrap: wrap;
}
.final-cta__inner p{ color: rgba(255,255,255,.8); margin: 6px 0 0; }

.footer{
  padding: 26px 0;
  background: rgba(15,23,42,.95);
  color: rgba(255,255,255,.75);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__links a{ color: rgba(255,255,255,.85); }
.footer__small{ font-size: 13px; }
.sep{ margin:0 10px; opacity: .6; }

.small{ font-size: 13px; }
.subtle{ color: rgba(71,85,105,.95); }

.diagram{
  margin-top: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow);
}