:root {
  --page: #f6f8fb;
  --surface: #ffffff;
  --ink: #0f172a;
  --ink-2: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #2563eb;
  --brand-ink: #ffffff;
  --brand-soft: #eff4ff;
  --hero-1: #0b1020;
  --hero-2: #13213f;
  --ok: #047857;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #0b1020;
    --surface: #121a2e;
    --ink: #e8edf6;
    --ink-2: #a9b4c7;
    --muted: #7c879b;
    --line: #22304d;
    --brand: #3b82f6;
    --brand-soft: #16233f;
    --ok: #34d399;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--brand); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Top bar */
.top {
  position: sticky; top: 0; z-index: 5;
  background: rgba(11, 16, 32, .85);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.top .wrap { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 750; font-size: 18px; letter-spacing: -.01em; }
.brand svg { width: 30px; height: 30px; flex: none; }
.top nav { margin-left: auto; display: flex; gap: 22px; }
.top nav a { color: #cbd5e1; text-decoration: none; font-size: 15px; }
.top nav a:hover { color: #fff; }

/* Hero */
.hero {
  color: #fff;
  background:
    radial-gradient(900px 420px at 10% -10%, rgba(56, 189, 248, .22), transparent 60%),
    radial-gradient(800px 400px at 100% 0%, rgba(167, 139, 250, .18), transparent 55%),
    linear-gradient(180deg, var(--hero-1), var(--hero-2));
  padding: 84px 0 96px;
}
.hero h1 { font-size: clamp(34px, 5.4vw, 56px); line-height: 1.08; letter-spacing: -.03em; margin: 0 0 18px; max-width: 760px; }
.hero h1 span { background: linear-gradient(90deg, #7dd3fc, #c4b5fd); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 19px; color: #cbd5e1; max-width: 620px; margin: 0 0 30px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 10px; font-weight: 650; font-size: 15px;
  text-decoration: none; border: 1px solid transparent; transition: transform .12s ease, background-color .12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-ghost { background: rgba(255, 255, 255, .06); color: #fff; border-color: rgba(255, 255, 255, .18); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }

/* Service cards */
.services { margin-top: -52px; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.icon { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 16px; }
.icon svg { width: 24px; height: 24px; }
.card h2 { font-size: 20px; margin: 0 0 6px; letter-spacing: -.01em; display: flex; align-items: center; gap: 10px; }
.card p { color: var(--ink-2); margin: 0 0 20px; font-size: 15px; }
.card .btn { margin-top: auto; align-self: flex-start; }
.card .btn-outline { color: var(--brand); border-color: var(--line); background: transparent; }
.card .btn-outline:hover { border-color: var(--brand); }
.soon { font-size: 12px; font-weight: 650; color: var(--muted); background: var(--page); border: 1px solid var(--line); padding: 2px 8px; border-radius: 999px; }

/* Sections */
section { padding: 72px 0 0; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 700; color: var(--brand); margin: 0 0 8px; }
section h2.title { font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -.02em; margin: 0 0 12px; }
section .lead { color: var(--ink-2); max-width: 680px; margin: 0 0 28px; font-size: 17px; }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; counter-reset: s; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.step::before {
  counter-increment: s; content: counter(s);
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 12px;
}
.step h3 { margin: 0 0 4px; font-size: 16px; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; }
.note { margin-top: 18px; padding: 16px 18px; border-radius: 12px; background: var(--brand-soft); color: var(--ink); font-size: 15px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; list-style: none; padding: 0; margin: 0; }
.features li { display: flex; gap: 12px; align-items: flex-start; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.features svg { width: 22px; height: 22px; color: var(--ok); flex: none; margin-top: 2px; }
.features strong { display: block; }
.features span { color: var(--ink-2); font-size: 14px; }

.contact { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 28px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; box-shadow: var(--shadow); }
.contact h3 { margin: 0 0 6px; font-size: 17px; }
.contact p { margin: 0; color: var(--ink-2); font-size: 15px; }

footer { padding: 56px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 22px; }

/* Evidence landing page */
.solo { min-height: 100vh; display: flex; flex-direction: column; }
.solo .hero { flex: 1; display: flex; align-items: center; padding: 64px 0; }

@media (max-width: 640px) {
  .top nav { display: none; }
  .hero { padding: 56px 0 80px; }
  .hero p { font-size: 17px; }
  section { padding-top: 56px; }
}