:root {
  --bg: #ffffff;
  --bg-alt: #f6f8f7;
  --ink: #10241d;
  --ink-soft: #4b5f57;
  --line: #e4e9e6;
  --brand: #1f7a5c;
  --brand-dark: #145b43;
  --brand-tint: #e7f4ee;
  --max: 1080px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

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

a { color: var(--brand-dark); }
a:hover { color: var(--brand); }

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

/* ── Header ── */
header.site {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand svg { display: block; }

nav.site-nav {
  display: flex;
  gap: 28px;
}

nav.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

nav.site-nav a:hover { color: var(--brand-dark); }

/* ── Hero ── */
.hero {
  padding: 96px 0 64px;
  text-align: center;
}

.hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.hero p.lead {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto;
}

.pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-dark);
  background: var(--brand-tint);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

/* ── Sections ── */
section.block {
  padding: 64px 0;
}

section.block.alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

h2.section-title {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

p.section-sub {
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 640px;
  margin: 0 0 40px;
}

/* ── Product card ── */
.product-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px;
}

.product-card .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-dark);
  margin-bottom: 14px;
}

.product-card h3 {
  font-size: 26px;
  margin: 0 0 12px;
  font-weight: 800;
}

.product-card p {
  color: var(--ink-soft);
  margin: 0 0 20px;
}

.product-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  gap: 8px;
}

.product-card ul li {
  font-size: 14px;
  color: var(--ink);
}

.product-card ul li::before {
  content: "•";
  color: var(--brand);
  font-weight: 800;
  margin-right: 8px;
}

.product-glyph {
  background: linear-gradient(160deg, var(--brand-tint), #ffffff);
  border: 1px solid var(--line);
  border-radius: 16px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-dark);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 22px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
}

.btn:hover { background: var(--brand); color: #fff; }

.btn.secondary {
  background: transparent;
  color: var(--brand-dark);
  border: 1px solid var(--line);
}

.btn.secondary:hover { border-color: var(--brand); }

/* ── Simple content pages ── */
main.doc {
  padding: 64px 0 96px;
}

main.doc .wrap { max-width: 760px; }

main.doc h1 {
  font-size: 34px;
  font-weight: 800;
  margin: 0 0 8px;
}

main.doc .updated {
  color: var(--ink-soft);
  font-size: 13px;
  margin: 0 0 40px;
}

main.doc h2 {
  font-size: 19px;
  font-weight: 800;
  margin: 36px 0 10px;
}

main.doc p, main.doc li {
  color: var(--ink-soft);
  font-size: 15.5px;
}

main.doc ul { padding-left: 20px; }

.notice {
  background: var(--brand-tint);
  border: 1px solid #cfe8dc;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--brand-dark);
  margin: 0 0 32px;
}

.contact-card {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  margin-top: 12px;
}

.contact-card a.email {
  font-size: 20px;
  font-weight: 800;
  color: var(--brand-dark);
  text-decoration: none;
}

/* ── Footer ── */
footer.site {
  border-top: 1px solid var(--line);
  padding: 40px 0;
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

footer.site .legal-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

footer.site a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 13px;
}

footer.site a:hover { color: var(--brand-dark); }

footer.site .copyright {
  color: var(--ink-soft);
  font-size: 13px;
}

@media (max-width: 720px) {
  .hero h1 { font-size: 32px; }
  .product-card { grid-template-columns: 1fr; }
  nav.site-nav { gap: 16px; }
  header.site .wrap { height: auto; padding: 14px 24px; flex-wrap: wrap; gap: 10px; }
}