:root {
  --brand-900: #0c2417;
  --brand-800: #123420;
  --brand-700: #14532d;
  --brand-600: #15803d;
  --brand-500: #1a9d4b;
  --brand-050: #f0fdf4;
  --ink: #10201a;
  --muted: #53625a;
  --faint: #7c8a81;
  --line: #e2eae4;
  --surface: #ffffff;
  --canvas: #f4f7f5;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(16,32,26,.05), 0 12px 30px rgba(16,32,26,.06);
  --wrap: 1080px;
  --font: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; line-height: 1.15; text-wrap: balance; }
p { margin: 0; }
a { color: var(--brand-600); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: var(--brand-600); color: #fff; display: grid; place-items: center; font-size: 18px;
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-login { padding: 9px 17px; font-size: 14px; color: #fff; }
.nav-login:hover { color: #fff; }
@media (max-width: 640px) { .nav-links a.hide-sm { display: none; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 12px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent;
}
.btn-primary { background: var(--brand-600); color: #fff; }
.btn-primary:hover { background: var(--brand-700); text-decoration: none; }
.btn-ghost { background: var(--surface); border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { background: var(--canvas); text-decoration: none; }

/* Hero */
.hero { padding: 84px 0 64px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--brand-700); background: var(--brand-050);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 6vw, 56px); font-weight: 800; max-width: 16ch; margin: 0 auto; }
.hero .lede { font-size: clamp(17px, 2.4vw, 20px); color: var(--muted); max-width: 56ch; margin: 22px auto 0; }
.hero-cta { display: flex; gap: 12px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--faint); }

/* Sections */
section { padding: 64px 0; }
.section-title { text-align: center; margin-bottom: 12px; font-size: clamp(26px, 3.6vw, 34px); font-weight: 800; }
.section-sub { text-align: center; color: var(--muted); max-width: 52ch; margin: 0 auto 44px; font-size: 17px; }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.feature .ico {
  width: 46px; height: 46px; border-radius: 12px; background: var(--brand-050);
  color: var(--brand-700); display: grid; place-items: center; margin-bottom: 16px;
}
.feature h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 15px; }

/* Trust / privacy band */
.band { background: linear-gradient(160deg, var(--brand-700), var(--brand-900)); color: #eaf5ee; }
.band .section-title { color: #fff; }
.band .section-sub { color: #a9ccb8; }
.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .trust { grid-template-columns: 1fr; } }
.trust-item { display: flex; gap: 12px; align-items: flex-start; }
.trust-item .tick { color: var(--brand-500); flex: none; margin-top: 2px; }
.trust-item h4 { margin: 0 0 4px; font-size: 16px; color: #fff; }
.trust-item p { color: #b7d0c1; font-size: 14.5px; }

/* Disclaimer callout */
.disclaimer {
  background: var(--brand-050); border: 1px solid #cdeed9; border-radius: var(--radius);
  padding: 22px 26px; color: #2b5a3d; font-size: 15px; text-align: center; max-width: 60ch; margin: 0 auto;
}

/* Legal / article pages */
.doc { background: var(--surface); }
.doc-head { padding: 56px 0 30px; border-bottom: 1px solid var(--line); }
.doc-head h1 { font-size: clamp(30px, 5vw, 42px); font-weight: 800; }
.doc-head .updated { color: var(--faint); font-size: 14px; margin-top: 10px; }
.doc-body { padding: 40px 0 72px; max-width: 760px; }
.doc-body h2 { font-size: 22px; font-weight: 800; margin: 38px 0 12px; }
.doc-body h3 { font-size: 17px; font-weight: 700; margin: 24px 0 8px; }
.doc-body p, .doc-body li { color: #33413a; font-size: 16px; }
.doc-body p { margin: 12px 0; }
.doc-body ul { margin: 12px 0; padding-left: 22px; }
.doc-body li { margin: 7px 0; }
.doc-body a { font-weight: 600; }
.note {
  background: var(--canvas); border-left: 3px solid var(--brand-500);
  padding: 14px 18px; border-radius: 8px; color: var(--muted); font-size: 14.5px; margin: 20px 0;
}

/* Footer */
.site-footer { background: var(--brand-900); color: #a9ccb8; padding: 40px 0; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: #b7d0c1; font-size: 14.5px; }
.footer-links a:hover { color: #fff; text-decoration: none; }
.footer-legal { margin-top: 22px; font-size: 12.5px; color: #6f9581; max-width: 70ch; }

.center { text-align: center; }
.mt { margin-top: 40px; }
