:root {
  --brand: #019216;
  --brand-dark: #017512;
  --ink: #11181c;
  --muted: #5b6770;
  --line: #e6eaed;
  --bg: #ffffff;
  --bg-soft: #f6f8f9;
  --radius: 16px;
  --maxw: 960px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 18px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(160deg, #02b81d, #017512);
  display: grid; place-items: center;
  box-shadow: 0 2px 8px rgba(1,117,18,.3);
}
.logo img { width: 26px; height: 26px; display: block; }
.nav a { color: var(--muted); font-size: 15px; margin-left: 20px; }

/* Hero */
.hero { text-align: center; padding: 56px 20px 40px; }
.hero .logo { width: 88px; height: 88px; border-radius: 22px; margin: 0 auto 24px; }
.hero .logo img { width: 56px; height: 56px; }
.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero p.lead { font-size: clamp(17px, 3vw, 21px); color: var(--muted); max-width: 620px; margin: 0 auto 32px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand-dark); color: #fff;
  padding: 14px 26px; border-radius: 999px;
  font-weight: 600; font-size: 16px;
}
.btn:hover { background: #015c0e; text-decoration: none; }

/* Feature grid */
.features { padding: 24px 20px 56px; }
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 { margin: 0 0 10px; font-size: 18px; }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.card li { margin: 4px 0; }

/* Section band */
.band { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 44px 20px; text-align: center; }
.band h2 { margin: 0 0 10px; }
.band p { color: var(--muted); margin: 0 auto 24px; max-width: 560px; }

/* Legal / content pages */
.content { padding: 40px 20px 64px; }
.content h1 { font-size: clamp(28px, 5vw, 40px); margin: 0 0 8px; letter-spacing: -0.02em; }
.content .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.content h2 { font-size: 20px; margin: 32px 0 8px; }
.content p, .content li { color: #2b343a; }
.content ul { padding-left: 20px; }
.content li { margin: 6px 0; }
.callout {
  background: #eafaec; border: 1px solid #bfe9c5;
  border-radius: var(--radius); padding: 18px 20px; margin: 24px 0;
}
.callout strong { color: var(--brand-dark); }

/* FAQ */
.faq { margin: 24px 0; }
.faq details {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 4px 18px; margin: 12px 0; background: var(--bg-soft);
}
.faq summary { cursor: pointer; font-weight: 600; padding: 12px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--brand-dark); font-size: 20px; }
.faq details[open] summary::after { content: "–"; }
.faq details > p { margin: 0 0 14px; color: var(--muted); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
.site-footer a { color: var(--muted); margin: 0 10px; }
.site-footer .links { margin-bottom: 12px; }

@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
  .nav a { margin-left: 14px; }
}