:root {
  --bg: #ffffff;
  --text: #1c1b29;
  --muted: #6b6a7b;
  --accent: #6d5ce1;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1022;
    --text: #ecebf5;
    --muted: #a3a2b8;
    --accent: #9b8cf6;
  }
}

* { box-sizing: border-box; }

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

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

h1 { font-size: 2rem; line-height: 1.2; margin: 16px 0 8px; }
h2 { font-size: 1.3rem; margin-top: 2em; }
h3 { font-size: 1.05rem; margin-top: 1.6em; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.lead { font-size: 1.15rem; color: var(--muted); }
.back { text-decoration: none; font-size: 0.95rem; }
.icon { border-radius: 22px; }
.features { padding-left: 1.2em; }
.features li { margin: 0.6em 0; }
.links { margin-top: 2.5em; }

.gallery {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 0 16px;
  margin: 28px 0 8px;
}
.gallery img {
  flex: 0 0 auto;
  width: 220px;
  height: auto;
  border-radius: 20px;
  scroll-snap-align: start;
  box-shadow: 0 8px 24px rgba(20, 16, 60, 0.18);
}