:root {
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --brand: #1d4ed8;
  --brand-dark: #1e3a8a;
  --ok: #15803d;
  --warn: #b91c1c;
  --radius: 12px;
  --max: 1100px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--brand); }
ul, ol { margin: 0; padding: 0; }

.container { max-width: var(--max); margin: 0 auto; padding-inline: 20px; }

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--text); color: #fff; padding: 8px 12px; border-radius: 6px; z-index: 100;
}
.skip-link:focus { left: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--text); text-decoration: none; }
.brand-mark {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px;
  background: var(--brand); color: #fff; font-size: 1rem;
}
.nav-links { list-style: none; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta { color: #fff; background: var(--brand); padding: 8px 16px; border-radius: 8px; }
.nav-links .nav-cta:hover { background: var(--brand-dark); color: #fff; }

/* Buttons */
.btn {
  display: inline-block; font-weight: 700; text-decoration: none; border-radius: 10px;
  padding: 14px 24px; font-size: 1.05rem; transition: background 0.15s ease, transform 0.15s ease;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-light { background: #fff; color: var(--brand-dark); white-space: nowrap; }
.btn-light:hover { background: #e0e7ff; }
.btn:focus-visible, a:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; }

/* Hero */
.hero { padding: 72px 0 64px; background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 40em; margin-bottom: 1.6em; }
.microcopy { margin-top: 14px; font-size: 0.92rem; color: var(--muted); }

.summary-card {
  margin: 0; background: #fff; border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 20px 40px -20px rgba(17, 24, 39, 0.25); padding: 20px 22px;
}
.summary-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 0.95rem; margin-bottom: 12px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); }
.summary-body { margin: 0; }
.summary-body div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-top: 1px solid var(--border); font-size: 0.95rem; }
.summary-body dt { color: var(--muted); }
.summary-body dd { margin: 0; font-weight: 600; text-align: right; }
.tag { display: inline-block; font-size: 0.72rem; font-weight: 600; background: #fef3c7; color: #92400e; padding: 2px 8px; border-radius: 999px; margin-left: 4px; }
.summary-card figcaption { margin-top: 10px; font-size: 0.78rem; color: var(--muted); }

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: var(--bg-alt); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; font-weight: 700; color: var(--brand); margin-bottom: 8px; }
.eyebrow.light { color: #bfdbfe; }

.card-grid { list-style: none; display: grid; gap: 20px; margin-top: 28px; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card p:last-child { margin-bottom: 0; color: var(--muted); }
.stat { font-size: 1.6rem; font-weight: 800; color: var(--text); margin-bottom: 8px; letter-spacing: -0.02em; }

.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.step p { color: var(--muted); margin-bottom: 0; }
.step-num {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: #e0e7ff; color: var(--brand-dark); font-weight: 800; margin-bottom: 14px;
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.checklist { list-style: none; margin-top: 16px; }
.checklist li { position: relative; padding-left: 32px; margin-bottom: 14px; color: var(--muted); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center; font-size: 0.75rem; font-weight: 800; background: #dcfce7; color: var(--ok);
}
.checklist.never li::before { content: "✕"; background: #fee2e2; color: var(--warn); }

.pilot { background: var(--brand-dark); color: #fff; }
.pilot-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.pilot p { color: #dbeafe; max-width: 42em; margin-bottom: 0; }

.contact-list { list-style: none; display: grid; gap: 14px; margin-top: 20px; }
.contact-list li { display: flex; gap: 16px; align-items: baseline; flex-wrap: wrap; }
.contact-label { min-width: 90px; font-weight: 700; }
.contact-list a { font-weight: 600; font-size: 1.1rem; word-break: break-all; }

/* Privacy page */
.prose { max-width: 760px; }
.prose h2 { margin-top: 1.8em; font-size: 1.35rem; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: 0.8em; }
.prose p, .prose li { color: #374151; }
.effective { color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; font-size: 0.92rem; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-inner p { margin: 0; }
.footer-inner a { color: var(--muted); }

/* Responsive */
@media (max-width: 860px) {
  .hero-grid, .two-col { grid-template-columns: 1fr; gap: 36px; }
  .card-grid.three, .steps { grid-template-columns: 1fr; }
  .pilot-inner { flex-direction: column; align-items: flex-start; }
  .hero { padding: 48px 0; }
  .section { padding: 56px 0; }
}
@media (max-width: 520px) {
  .nav-links { gap: 14px; }
  .nav-links li:not(:last-child) { display: none; }
}