:root {
  --green: #0a8d4b;
  --green-dark: #066a38;
  --ink: #14181f;
  --muted: #5b6472;
  --bg: #ffffff;
  --bg-soft: #f4f6f9;
  --line: #e4e8ee;
  --accent: #ff5a1f;
  --radius: 16px;
  --maxw: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.1rem;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; gap: 22px; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 500;
}
.nav a:hover { color: var(--ink); }

/* ── Hero ── */
.hero {
  background:
    radial-gradient(1200px 400px at 50% -120px, rgba(10,141,75,0.12), transparent 70%),
    var(--bg);
  text-align: center;
  padding: 72px 20px 56px;
}
.hero .icon {
  width: 104px; height: 104px;
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(10,141,75,0.25);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  line-height: 1.05;
}
.hero p.tagline {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 28px;
}
.badge-soon {
  display: inline-block;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ── Sections ── */
.section { padding: 56px 0; }
.section.soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 {
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.card .emoji { font-size: 1.8rem; }
.card h3 { margin: 12px 0 6px; font-size: 1.08rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.96rem; }

/* ── Legal / content pages ── */
.doc { padding: 48px 0 64px; }
.doc h1 { font-size: 2rem; letter-spacing: -0.02em; margin: 0 0 6px; }
.doc .updated { color: var(--muted); font-size: 0.92rem; margin: 0 0 36px; }
.doc h2 { font-size: 1.25rem; margin: 36px 0 10px; }
.doc h3 { font-size: 1.05rem; margin: 24px 0 8px; }
.doc p, .doc li { color: #2c333d; }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.callout {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 22px 0;
}
.callout strong { color: var(--green-dark); }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 20px;
  color: var(--muted);
  font-size: 0.92rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: center;
  justify-content: space-between;
}
.site-footer .links { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

@media (max-width: 560px) {
  .nav { gap: 14px; }
  .nav a { font-size: 0.86rem; }
  .brand span { display: none; }
}