:root {
  color-scheme: light dark;
  --bg: light-dark(#f7f4ee, #141210);
  --ink: light-dark(#1c1a16, #f3efe7);
  --soft: light-dark(#6d655a, #b3aa98);
  --faint: light-dark(#857c6c, #9b927f);
  --accent: oklch(0.58 0.14 55);
  --accent-bg: oklch(0.58 0.14 55 / .18);
  --card: light-dark(#fff, #1e1b17);
  --card-line: light-dark(rgba(0,0,0,.08), rgba(255,255,255,.08));
  --line: light-dark(rgba(0,0,0,.1), rgba(255,255,255,.1));
  --art: light-dark(#f1ece2, #272219);
  --off: light-dark(#c9c1b1, #5a5244);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, sans-serif;
}
a { color: inherit; }
a:hover { opacity: .8; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.page { min-height: 100vh; overflow: hidden; }
.in { max-width: 1120px; margin: 0 auto; }
h1, h2, h3, p, ol { margin: 0; }

header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 22px 56px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 7px; }
.brand .tag { font-weight: 400; color: var(--faint); }
header nav { display: flex; gap: 28px; font-size: 14px; color: light-dark(#6d655a, #a69d8c); }
header nav a { text-decoration: none; }

.hero { padding: 72px 56px 48px; display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 56px; align-items: center; }
.hero-text { display: flex; flex-direction: column; gap: 24px; }
h1 { font-size: clamp(40px, 5vw, 58px); line-height: 1.04; letter-spacing: -.03em; font-weight: 700; text-wrap: balance; }
.sub { font-size: 19px; line-height: 1.45; color: var(--soft); text-wrap: pretty; }
.dl { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.btn { padding: 15px 26px; border-radius: 12px; background: var(--accent); color: #fff; text-decoration: none; font-size: 16px; font-weight: 600; }
.dl .note { font-size: 13px; color: var(--faint); }

.hero-art { position: relative; height: 420px; }
.shot {
  position: absolute; inset: 30px -140px -40px 40px; border-radius: 18px; overflow: hidden;
  border: 1px solid light-dark(rgba(0,0,0,.12), rgba(255,255,255,.14));
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.5);
  transform: rotate(-2deg); transform-origin: left bottom;
}
.shot img { display: block; width: 1000px; max-width: none; height: auto; }
.tree {
  position: absolute; left: 0; top: 0; width: 220px; padding: 14px; border-radius: 14px;
  background: light-dark(rgba(255,255,255,.85), rgba(40,36,30,.85));
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border: 1px solid light-dark(rgba(0,0,0,.08), rgba(255,255,255,.1));
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.4);
  font-size: 13px; display: flex; flex-direction: column; gap: 8px;
}
.root { font-weight: 600; display: flex; gap: 8px; align-items: center; }
.folder { width: 14px; height: 11px; border-radius: 2px; background: var(--accent); }
.sub-item { padding-left: 22px; color: var(--soft); }
.tree .sel { padding-left: 22px; padding-right: 8px; margin-left: 14px; border-radius: 6px; background: var(--accent-bg); line-height: 26px; }

#features { padding: 80px 56px 24px; }
#install { padding: 72px 56px 88px; }
h2 { margin-bottom: 28px; font-size: 38px; letter-spacing: -.025em; font-weight: 700; }
.big, .small { display: grid; gap: 12px; }
.big { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin-bottom: 12px; }
.small { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.card { border-radius: 20px; background: var(--card); border: 1px solid var(--card-line); overflow: hidden; display: flex; flex-direction: column; }
.art { height: 190px; padding: 22px; background: var(--art); display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.art-tree { padding-bottom: 0; gap: 6px; overflow: hidden; }
.art-tree .sel { padding-left: 8px; margin-left: 14px; border-radius: 6px; background: var(--accent-bg); line-height: 26px; }
.art-out { justify-content: center; }
.out { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-radius: 10px; background: var(--card); }
.out > span:first-child { display: flex; flex-direction: column; }
.out b { font-weight: 600; }
.out small { color: var(--soft); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.dot.off { background: var(--off); }
.art-open { flex-direction: row; align-items: center; justify-content: center; gap: 16px; }
.art-open figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--soft); }
.file { width: 56px; height: 68px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); display: block; }
.art-open img { width: 68px; height: 68px; border-radius: 16px; }
.arrow { font-size: 22px; color: var(--accent); }
.body { padding: 22px; display: flex; flex-direction: column; gap: 8px; }
.body h3 { font-size: 20px; font-weight: 600; letter-spacing: -.02em; }
.body p { font-size: 15px; line-height: 1.5; color: var(--soft); text-wrap: pretty; }
.mini { padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.mini h3 { font-size: 15px; font-weight: 600; letter-spacing: -.01em; text-wrap: balance; }
.mini p { font-size: 13.5px; line-height: 1.45; color: var(--soft); text-wrap: pretty; }

.steps { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.steps li { padding: 22px; border-radius: 16px; background: var(--card); border: 1px solid var(--card-line); display: flex; flex-direction: column; gap: 14px; font-size: 15px; line-height: 1.5; }
.steps .n { font-size: 28px; font-weight: 700; letter-spacing: -.03em; color: var(--accent); }

footer { padding: 22px 56px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--faint); }
footer .links { display: flex; gap: 18px; }

@media (max-width: 720px) {
  header, .hero, #features, #install, footer { padding-left: 20px; padding-right: 20px; }
  header nav { gap: 18px; flex-wrap: wrap; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 40px; padding-bottom: 32px; }
  .hero-art { height: auto; }
  .shot { position: relative; inset: auto; transform: none; }
  .shot img { width: 100%; }
  .tree { display: none; }
  #features { padding-top: 56px; }
  #install { padding-top: 56px; padding-bottom: 64px; }
  h2 { font-size: 32px; }
  .big, .small, .steps { grid-template-columns: 1fr; }
}