:root {
  --bg: #fff; --bg-a: rgba(255,255,255,.8); --fg: #1d1d1f; --muted: #6e6e73; --soft: #f5f5f7;
  --link: #3b6ee8; --line: #e5e5ea;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111113; --bg-a: rgba(17,17,19,.8); --fg: #f2f2f4; --muted: #9a9aa0; --soft: #1c1c1f; --link: #6b95ff; --line: #2a2a2e; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
.wrap { max-width: 1440px; margin: 0 auto; padding: 0 16px; }

nav {
  position: sticky; top: 0; z-index: 10;
  background: var(--bg-a); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
nav .wrap { display: flex; justify-content: space-between; align-items: center; height: 60px; }
nav .brand { font-weight: 700; color: var(--fg); text-decoration: none; display: flex; align-items: center; gap: 10px; }
nav .brand img { width: 32px; height: 32px; }
nav .btn { padding: 8px 16px; font-size: .95rem; border-radius: 8px; }

.btn {
  display: inline-block; background: var(--link); color: #fff; text-decoration: none;
  font-weight: 600; padding: 14px 28px; border-radius: 12px; font-size: 1.05rem;
}
.btn:hover { filter: brightness(1.08); }

.hero { text-align: center; padding: 88px 0 24px; }
h1 { font-size: clamp(2.4rem, 7vw, 4.5rem); line-height: 1.05; letter-spacing: -0.035em; margin: 0 0 20px; }
.lede { font-size: 1.25rem; color: var(--muted); max-width: 600px; margin: 0 auto 32px; }
img { width: 100%; height: auto; display: block; }
.shot { margin: 56px auto 0; }

section { padding: 96px 0; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; letter-spacing: -0.025em; margin: 0 0 16px; }
.prose { max-width: 680px; }
blockquote { margin: 0 0 24px; font-size: 1.6rem; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; }
code { color: var(--link); font: inherit; }
a { color: var(--link); }

.pair { display: grid; gap: 48px; margin-top: 40px; }
@media (min-width: 900px) { .pair { grid-template-columns: 1fr 1fr; } }
.pair h3 { font-size: 1.25rem; margin: 0 0 8px; }
.pair p { color: var(--muted); margin: 0 0 24px; }

ul.features { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
ul.features li { background: var(--soft); border-radius: 14px; padding: 20px; }
ul.features b { display: block; margin-bottom: 4px; }
ul.features span { color: var(--muted); font-size: 0.95rem; }

.cta { text-align: center; }
footer { color: var(--muted); font-size: 0.9rem; text-align: center; padding: 32px 0 48px; border-top: 1px solid var(--line); }

/* Download page */
.os { scroll-margin-top: 80px; padding: 48px 0 0; }
.os h2 { font-size: 1.6rem; margin-bottom: 4px; }
.os .note { color: var(--muted); margin: 0 0 16px; }
.os.here h2::after { content: "Your system"; margin-left: 12px; font-size: .8rem; font-weight: 600; vertical-align: middle; color: var(--link); background: var(--soft); padding: 4px 10px; border-radius: 999px; }
.files { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.files li { display: flex; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.files .what { flex: 1; min-width: 0; }
.files .what b { display: block; }
.files .what span { color: var(--muted); font-size: .9rem; }
.files .btn { padding: 8px 16px; font-size: .95rem; border-radius: 8px; white-space: nowrap; }