:root {
  --navy: #185FA5;
  --navy-dark: #124A82;
  --cross-blue: #8CBCE8;
  --bg: #FDFCF9;
  --card-bg: #FFFFFF;
  --text: #1A1A1A;
  --muted: #5F5E5A;
  --border: #E3E9F0;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--navy); }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 19px;
}
.brand img { width: 34px; height: 34px; }
nav.main a {
  margin-left: 28px;
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
}
nav.main a:hover { color: var(--navy); }

/* Hero */
.hero {
  padding: 72px 0 56px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  margin: 0 0 18px;
  color: var(--text);
}
.hero .lede {
  font-size: 19px;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 540px;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid transparent;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-dark); }
.btn-secondary { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-secondary:hover { background: #EEF4FB; }
.trust-line {
  font-size: 14px;
  color: var(--muted);
}
.trust-line a { font-weight: 600; }
.hero-img { text-align: center; }
.hero-img img { max-width: 100%; }

/* Sections */
section { padding: 56px 0; }
section.alt { background: #F5F8FC; }
h2.section-title {
  font-size: 28px;
  margin: 0 0 8px;
  text-align: center;
}
p.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 40px;
  font-size: 16px;
}

/* Problem / solution grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 22px;
}
.card h3 { margin: 0 0 10px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.num-badge {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  margin-bottom: 14px;
}

/* Screenshots */
.shot-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: start;
}
.shot-row figure { margin: 0; text-align: center; }
.shot-row img {
  width: 100%;
  max-width: 260px;
  border-radius: 18px;
}
.shot-row figcaption {
  margin-top: 30px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}

/* Evidence / pilot */
.pilot-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.stat {
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
}
.stat .n { font-size: 30px; font-weight: 800; color: var(--navy); }
.stat .label { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* Download */
.download-box {
  background: var(--navy);
  border-radius: 20px;
  padding: 48px;
  text-align: center;
  color: #fff;
}
.download-box h2 { margin: 0 0 10px; font-size: 26px; }
.download-box p { color: #DCEBFA; margin: 0 0 26px; }
.download-box .btn-primary { background: #fff; color: var(--navy); }
.download-box .btn-primary:hover { background: #EEF4FB; }
.download-box .btn-secondary { border-color: #fff; color: #fff; }
.download-box .btn-secondary:hover { background: rgba(255,255,255,0.1); }

/* About page */
.about-hero {
  padding: 56px 0 20px;
  text-align: center;
}
.about-hero .avatar {
  width: 160px; height: 160px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin: 0 auto 20px;
  box-shadow: 0 0 0 4px #fff, 0 2px 10px rgba(0,0,0,0.08);
}
.prose {
  max-width: 720px;
  margin: 0 auto;
  font-size: 17px;
}
.prose h2 { margin-top: 40px; }
.prose p { color: var(--text); }
.credentials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 28px 0;
}
.credentials .item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 15px;
}
.credentials .item strong { display: block; color: var(--navy); font-size: 13px; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 4px; }

/* Legal page */
.legal-nav {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.legal-nav a {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: 14px;
  color: var(--text);
}
.legal-nav a:hover { border-color: var(--navy); color: var(--navy); }
.legal-updated {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 40px;
}
.prose h2 { font-size: 20px; border-top: 1px solid var(--border); padding-top: 24px; }
.prose h2:first-of-type { border-top: none; padding-top: 0; }

/* Contact */
.contact-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
}
.contact-card .email {
  display: inline-block;
  margin-top: 8px;
  font-size: 18px;
  font-weight: 700;
}

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  margin-top: 40px;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
footer.site .foot-links a {
  margin-left: 20px;
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
}
footer.site .foot-links a:hover { color: var(--navy); }
footer.site .disclaimer {
  font-size: 13px;
  color: var(--muted);
  margin-top: 18px;
}

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .pilot-stats, .credentials { grid-template-columns: 1fr 1fr; }
  .shot-row { grid-template-columns: 1fr; }
  nav.main { display: none; }
}