.install-page{--install-accent:#116b3c}
.install-wrap{width:min(1040px,calc(100% - 48px));margin:0 auto 80px}
.install-hero{padding:84px 0 64px;border-bottom:2px solid var(--ink)}
.install-kicker{margin:0 0 20px;color:var(--install-accent);font-size:.75rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.install-hero h1{max-width:850px;margin:0;font:700 clamp(4.2rem,9vw,7.8rem)/.8 Papernotes,Georgia,serif;letter-spacing:-.02em}
.install-hero h1 span{color:var(--install-accent)}
.install-hero>p:not(.install-kicker){max-width:650px;margin:30px 0 0;font-size:1.22rem;line-height:1.6}
.install-jumps{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px}
.install-jumps a{padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:var(--paper-raised);font-size:.72rem;font-weight:900;text-decoration:none;text-transform:uppercase}
.install-jumps a:hover{border-color:var(--ink)}
.install-section{padding:64px 0;border-bottom:1px solid var(--line);scroll-margin-top:20px}
.install-heading{display:grid;grid-template-columns:54px 1fr;gap:18px;margin-bottom:28px}
.install-heading>p{margin:5px 0 0;color:var(--install-accent);font:700 1.35rem/1 Papernotes,Georgia,serif}
.install-heading h2,.install-finish h2{margin:0;font:700 clamp(2.3rem,5vw,3.6rem)/.92 Papernotes,Georgia,serif}
.install-heading div>p{max-width:630px;margin:10px 0 0;color:var(--muted);line-height:1.55}
.track-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.track-grid article,.setup-card{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--paper-raised)}
.track-grid h3,.setup-card h3{margin:0 0 9px;font-size:1.05rem}
.track-grid p{margin:0 0 22px;color:var(--muted);line-height:1.55}
.track-grid strong{font-size:.7rem;letter-spacing:.06em;text-transform:uppercase}
.setup-list{min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.setup-card{min-width:0}
.setup-card__top span{display:block;margin-bottom:8px;color:var(--install-accent);font-size:.67rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.setup-card ol{margin:18px 0;padding-left:1.3rem}
.setup-card li{line-height:1.55}
.setup-card li+li{margin-top:9px}
.setup-card a,.os-grid a,.install-sources a{font-weight:800;text-underline-offset:3px}
.setup-card pre,.os-grid pre{max-width:100%;margin:18px 0;padding:16px;border-radius:10px;background:#171515;color:#fffaf0;overflow:auto}
.setup-card code,.os-grid code,.tip code,.command-table code{font:650 .84rem/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}
.ready-line{margin:18px 0 0;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);line-height:1.5}
.ready-line strong{color:var(--ink)}
.video-guide{position:relative;isolation:isolate;display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;align-items:start;margin-top:18px;padding:16px;border:1px solid color-mix(in srgb,#c62f2f 34%,var(--line));border-radius:12px;background:linear-gradient(135deg,color-mix(in srgb,#c62f2f 10%,var(--paper-raised)),var(--paper-raised) 70%);overflow:hidden}
.video-guide::after{content:"";position:absolute;z-index:-1;right:-42px;bottom:-62px;width:145px;height:145px;border-radius:50%;background:color-mix(in srgb,#c62f2f 7%,transparent);pointer-events:none}
.video-guide__play{display:grid;width:42px;height:42px;place-items:center;border-radius:50%;background:#c62f2f;box-shadow:0 5px 14px color-mix(in srgb,#7e1717 30%,transparent)}
.video-guide__play::before{content:"";width:0;height:0;margin-left:3px;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:10px solid #fff}
.video-guide p{margin:0 0 5px;color:#a32323;font-size:.64rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.video-guide a{display:inline;color:var(--ink);font-size:.91rem;font-weight:900;line-height:1.35;text-decoration-thickness:1.5px;text-underline-offset:3px}
.video-guide a:hover{text-decoration-thickness:2px}
.video-guide a:focus-visible{outline:3px solid var(--focus,#257fc4);outline-offset:4px;border-radius:2px}
.video-guide small{display:block;margin-top:6px;color:var(--muted);font-size:.7rem;line-height:1.4}
.install-section>.video-guide{margin-left:72px}
.setup-card--wide{margin-left:72px}
.os-grid{min-width:0;margin-left:72px;display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
.os-grid details,.os-grid details>div{min-width:0}
.os-grid details{border:1px solid var(--line);border-radius:12px;background:var(--paper-raised)}
.os-grid summary{padding:18px 20px;font-weight:900;cursor:pointer}
.os-grid details>div{padding:0 20px 20px}
.os-grid ol{margin:4px 0 18px;padding-left:1.2rem}
.os-grid li{line-height:1.55}
.os-grid li+li{margin-top:8px}
.tip,.warning{margin:18px 0 0 72px;padding:17px 20px;border-left:5px solid var(--install-accent);border-radius:0 10px 10px 0;background:color-mix(in srgb,var(--install-accent) 9%,var(--paper-raised));line-height:1.55}
.warning{border-left-color:#a82a38;background:color-mix(in srgb,#a82a38 9%,var(--paper-raised))}
.install-finish{margin:64px 0 0;padding:42px;border:2px solid var(--ink);border-radius:18px;background:var(--paper-raised);box-shadow:8px 8px 0 var(--yellow)}
.install-finish>p:first-child{margin:0 0 10px;color:var(--install-accent);font-size:.72rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.install-finish>p:not(:first-child){max-width:700px;line-height:1.55}
.command-table{margin:28px 0;display:grid;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.command-table>div{display:grid;grid-template-columns:minmax(180px,.65fr) 1fr;gap:20px;padding:14px 16px;background:var(--paper);border-bottom:1px solid var(--line)}
.command-table>div:last-child{border-bottom:0}
.command-table span{color:var(--muted)}
.install-sources{margin:34px 0 0;color:var(--muted);font-size:.78rem;line-height:1.65}
kbd{padding:.1rem .36rem;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;background:var(--paper-raised);font:700 .8rem/1 ui-monospace,SFMono-Regular,Consolas,monospace}
html[data-theme=dark] .install-page{--install-accent:#4cd486}
html[data-theme=dark] .video-guide p{color:#ff8585}
@media(max-width:700px){
  .install-wrap{width:min(100% - 32px,1040px)}
  .install-hero{padding:58px 0 48px}
  .install-hero h1{font-size:clamp(3.4rem,17vw,5.4rem)}
  .install-hero>p:not(.install-kicker){font-size:1.05rem}
  .install-heading{grid-template-columns:40px 1fr}
  .track-grid,.setup-list{grid-template-columns:1fr}
  .setup-list>*{min-width:0}
  .setup-card--wide,.os-grid,.tip,.warning,.install-section>.video-guide{margin-left:0}
  .install-finish{padding:28px 20px}
  .command-table>div{grid-template-columns:1fr;gap:5px}
  .reader-header__actions{gap:10px}
}
@media(prefers-reduced-motion:reduce){.install-section{scroll-margin-top:0}}