:root {
  --primary: #1b6e4b;
  --on-primary: #ffffff;
  --container: #e6f0ea;
  --outline: #cde0d5;
  --bg: #ffffff;
  --text: #1a1f1c;
  --muted: #55605a;
  --max: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #5bc08f;
    --on-primary: #06251a;
    --container: #1f3a2e;
    --outline: #2c4f3f;
    --bg: #101512;
    --text: #e8eeea;
    --muted: #a3b0a8;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--primary); }
img { max-width: 100%; height: auto; }

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

header.site {
  border-bottom: 1px solid var(--outline);
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.brand img { width: 36px; height: 36px; border-radius: 8px; }
nav a {
  margin-left: 20px;
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}
nav a:hover { color: var(--primary); }

.hero-banner { display: block; width: 100%; height: auto; }
.hero-intro { padding: 40px 0; background: var(--container); text-align: center; }
.hero-intro h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); line-height: 1.2; margin: 0 0 12px; }
.hero-intro p { font-size: 1.15rem; color: var(--muted); margin: 0 auto 24px; max-width: 620px; }

.button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
  text-decoration: none;
}
.button.disabled { opacity: 0.75; cursor: default; }

section { padding: 56px 0; }
section h2 { font-size: 1.7rem; margin: 0 0 24px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.card {
  border: 1px solid var(--outline);
  border-radius: 16px;
  padding: 20px;
}
.card h3 { margin: 0 0 8px; color: var(--primary); }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }

.gallery {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
}
.gallery img {
  height: 520px;
  width: auto;
  border-radius: 20px;
  border: 1px solid var(--outline);
  scroll-snap-align: start;
  flex: none;
}

.privacy-band { background: var(--container); }

main.doc { padding: 48px 0 72px; max-width: 760px; }
main.doc h1 { margin-top: 0; }
main.doc h2 { margin-top: 36px; font-size: 1.3rem; }

footer.site {
  border-top: 1px solid var(--outline);
  padding: 28px 0;
  color: var(--muted);
  font-size: 14px;
}
footer.site a { color: var(--muted); margin-right: 16px; }

@media (max-width: 760px) {
  .gallery img { height: 420px; }
}