:root {
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --bg: #f4f4f2; --ink: #111318; --muted: #5d6270; --accent: #005fb8;
  --hair: rgba(17, 19, 24, .06); --shell: rgba(17, 19, 24, .035);
  --amb: 0 30px 80px -20px rgba(20, 30, 60, .12), 0 8px 24px -12px rgba(20, 30, 60, .06);
  --hi: inset 0 1px 1px rgba(255, 255, 255, .9);
  --surface: #fff; --page-hi: #fff; --nav: rgba(255, 255, 255, .72); --on-ink: #fff;
  --faint: #686d7a; --dim: #686d7a; --h1-dim: #858a96; --dot: #e3e4e8;
  --sel: #cce4f7; --tag: #e8f1fa; --off: #dfe1e6;
  --mono: "Geist Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513; --ink: #f2f1ee; --muted: #aeaba4; --accent: #6cb6ff;
    --hair: rgba(255, 255, 255, .08); --shell: rgba(255, 255, 255, .04);
    --amb: 0 30px 80px -20px rgba(0, 0, 0, .55), 0 8px 24px -12px rgba(0, 0, 0, .4);
    --hi: inset 0 1px 1px rgba(255, 255, 255, .06);
    --surface: #23221f; --page-hi: #1c1b19; --nav: rgba(35, 34, 31, .72); --on-ink: #161513;
    --faint: #98958e; --dim: #98958e; --h1-dim: #6a6761; --dot: #3a3935;
    --sel: #1f4466; --tag: rgba(108, 182, 255, .14); --off: #3a3935;
  }
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { font: 400 17px/1.65 "Plus Jakarta Sans", system-ui, sans-serif; color: var(--ink);
       background: linear-gradient(180deg, var(--page-hi) 0%, var(--bg) 38%, var(--page-hi) 100%); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 32px; }
h1, h2, h3 { letter-spacing: -.035em; line-height: 1.02; font-weight: 800; }
h2 { font-size: clamp(40px, 5.4vw, 72px); }
h3 { font-size: 22px; letter-spacing: -.02em; line-height: 1.2; font-weight: 700; }
p { color: var(--muted); }
code { font: 500 .88em var(--mono); background: var(--shell); padding: 2px 6px; border-radius: 6px; }
.eyebrow { display: inline-block; font: 500 10px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase;
           padding: 7px 12px; border-radius: 999px; background: var(--surface); box-shadow: var(--amb); color: var(--muted); }
.eyebrow b { color: var(--accent); font-weight: 500; }

/* floating island nav */
nav { position: fixed; top: 24px; left: 50%; transform: translateX(-50%); z-index: 10; display: flex; align-items: center; gap: 4px;
      padding: 6px; border-radius: 999px; background: var(--nav); backdrop-filter: blur(20px) saturate(1.4);
      -webkit-backdrop-filter: blur(20px) saturate(1.4); box-shadow: var(--amb), 0 0 0 1px var(--hair); }
nav .logo { display: flex; align-items: center; gap: 8px; padding: 0 12px 0 8px; font-weight: 700; font-size: 14px; letter-spacing: -.01em; }
nav a.l { text-decoration: none; font-size: 13px; color: var(--muted); padding: 8px 14px; border-radius: 999px;
          transition: background .5s var(--ease), color .5s var(--ease); }
nav a.l:hover { background: var(--shell); color: var(--ink); }
nav .go { text-decoration: none; font-size: 13px; font-weight: 600; background: var(--ink); color: var(--on-ink); padding: 8px 16px; border-radius: 999px; }

/* button-in-button */
.btn { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 600; font-size: 15px;
       padding: 8px 8px 8px 24px; border-radius: 999px; transition: transform .6s var(--ease), box-shadow .6s var(--ease); }
.btn .i { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; transition: transform .6s var(--ease); }
.btn:hover .i { transform: translate(3px, -1px) scale(1.05); }
.btn:active { transform: scale(.98); }
.btn.dark { background: var(--ink); color: var(--on-ink); box-shadow: 0 20px 40px -16px rgba(17, 19, 24, .45); }
.btn.dark .i { background: color-mix(in srgb, var(--on-ink) 12%, transparent); }
.btn.light { background: var(--surface); color: var(--ink); box-shadow: var(--amb), 0 0 0 1px var(--hair); }
.btn.light .i { background: var(--shell); }

/* double bezel */
.shell { background: var(--shell); padding: 6px; border-radius: 2rem; box-shadow: 0 0 0 1px var(--hair), var(--amb); }
.core { background: var(--surface); border-radius: calc(2rem - 6px); box-shadow: var(--hi), 0 0 0 1px var(--hair); }

/* hero */
.hero { min-height: 100dvh; padding: 160px 0 40px; text-align: center; }
.hero h1 { font-size: clamp(56px, 9.5vw, 132px); margin: 28px auto 28px; max-width: 11ch; }
.hero h1 span { color: var(--h1-dim); }
.hero .lead { max-width: 600px; margin: 0 auto; font-size: 19px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 40px; }
/* the visitor's OS gets the primary download; the other OS becomes a link */
.alt { display: none; margin-top: 20px; font-size: 14px; }
.alt a { color: var(--accent); font-weight: 600; text-underline-offset: 3px; }
.os-win .alt, .os-mac .alt { display: block; }
.os-win .dl-mac, .os-mac .dl-win, .os-win .alt-win, .os-mac .alt-mac { display: none; }
.platform { margin-top: 20px; font: 400 11px/1.6 var(--mono); letter-spacing: .06em; color: var(--faint); }

/* z-axis cascade */
.stage { position: relative; height: 520px; margin: 96px auto 0; max-width: 980px; }
.card { position: absolute; transition: transform 1.2s var(--ease); will-change: transform; }
.c1 { left: 0; top: 40px; width: 560px; rotate: -2deg; z-index: 1; }
.c2 { left: 340px; top: -56px; width: 400px; rotate: 3deg; z-index: 3; }
.c3 { right: 0; top: 190px; width: 330px; rotate: -1.5deg; z-index: 2; }
.float-a { animation: fa 9s var(--ease) infinite alternate; }
.float-b { animation: fb 11s var(--ease) infinite alternate; }
@keyframes fa { to { translate: 0 -12px; } }
@keyframes fb { to { translate: 0 10px; } }
.win { padding: 0 0 28px; text-align: left; }
.win .bar { font: 400 11px var(--mono); color: var(--faint); padding: 14px 22px; border-bottom: 1px solid var(--hair); display: flex; gap: 6px; align-items: center; }
.win .bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--dot); }
.win .bar em { margin-left: 10px; font-style: normal; }
.win p { color: var(--ink); padding: 92px 28px 0; font-size: 17px; }
.sel { background: var(--sel); border-radius: 3px; padding: 1px 2px; }
.pill { position: absolute; left: 28px; top: 70px; display: inline-flex; gap: 12px; align-items: center; padding: 8px 14px;
        background: var(--surface); border-radius: 999px; font: 500 12px var(--mono); color: var(--ink);
        box-shadow: 0 14px 36px -10px rgba(20, 30, 60, .22), 0 0 0 1px var(--hair); }
.pill .sep { width: 1px; height: 16px; background: var(--hair); }
.pill .play { color: var(--accent); }
.cap { padding: 26px 28px; text-align: left; }
.cap small, .set small { font: 500 10px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--faint); }
.cap .line { margin-top: 12px; font-size: 21px; font-weight: 600; letter-spacing: -.02em; line-height: 1.35; color: var(--ink); }
.cap .line b { color: var(--accent); font-weight: 600; }
.cap .prog { margin-top: 18px; height: 3px; border-radius: 3px; background: var(--shell); overflow: hidden; }
.cap .prog span { display: block; height: 100%; width: 100%; background: var(--accent); transform-origin: left; animation: prog 6s var(--ease) infinite; }
@keyframes prog { from { transform: scaleX(.05); } to { transform: scaleX(1); } }
.set { padding: 22px 22px 12px; text-align: left; }
.set ul { list-style: none; padding: 0; margin-top: 12px; }
.set li { display: flex; align-items: center; gap: 10px; padding: 11px 0; border-top: 1px solid var(--hair); font-size: 14px; font-weight: 500; }
.set li .n { font: 400 11px var(--mono); color: var(--dim); width: 14px; }
.tg { margin-left: auto; width: 32px; height: 19px; border-radius: 999px; background: var(--accent); position: relative; }
.tg::after { content: ""; position: absolute; top: 2px; left: 15px; width: 15px; height: 15px; border-radius: 50%; background: white; box-shadow: 0 1px 3px rgba(0, 0, 0, .15); }
.tg.off { background: var(--off); } .tg.off::after { left: 2px; }

/* sections */
section { padding: 160px 0; }
.head { max-width: 760px; margin-bottom: 88px; }
.head p { font-size: 19px; margin-top: 24px; max-width: 560px; }
.head .eyebrow { margin-bottom: 24px; }
.feats { display: grid; grid-template-columns: 1fr 1fr; gap: 72px 96px; }
.feat { display: grid; grid-template-columns: 44px 1fr; gap: 20px; }
.feat .ix { width: 44px; height: 44px; border-radius: 14px; background: var(--surface); box-shadow: var(--amb), 0 0 0 1px var(--hair);
            display: grid; place-items: center; font: 500 11px var(--mono); color: var(--accent); }
.feat p { margin-top: 10px; }
.feat:nth-child(even) { transform: translateY(56px); }
.rows .core { padding: 8px 40px; }
.row { display: grid; grid-template-columns: 1.1fr 1.4fr .9fr 1.6fr; gap: 24px; padding: 26px 0; border-top: 1px solid var(--hair); align-items: baseline; }
.row:first-child { border: 0; font: 500 10px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--faint); }
.row b { font-weight: 700; letter-spacing: -.01em; }
.row span { color: var(--muted); font-size: 15px; }
.local b::after { content: "local"; margin-left: 10px; font: 500 9px var(--mono); letter-spacing: .15em; text-transform: uppercase;
                  color: var(--accent); background: var(--tag); padding: 3px 7px; border-radius: 999px; vertical-align: 2px; }
.after { margin-top: 32px; max-width: 640px; }
.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; counter-reset: s; }
.steps .core { padding: 40px; height: 100%; }
.steps .core::before { counter-increment: s; content: "0" counter(s); font: 500 11px var(--mono); letter-spacing: .2em; color: var(--accent); }
.know .core::before { content: none; }
.know h3 { margin-top: 0; }
.steps h3 { margin: 18px 0 10px; }
.steps .note { margin-top: 14px; font-size: 13px; color: var(--faint); }
.close { text-align: center; }
.close h2 { max-width: 12ch; margin: 24px auto 0; }
footer { padding: 48px 0 64px; text-align: center; font: 400 11px/1.8 var(--mono); color: var(--faint); letter-spacing: .04em; }

/* reveal */
.js .rv { opacity: 0; transform: translateY(48px); filter: blur(8px); transition: opacity 1s var(--ease), transform 1s var(--ease), filter 1s var(--ease); }
.js .rv.in { opacity: 1; transform: none; filter: none; }
.feat.rv.in:nth-child(even) { transform: translateY(56px); }

@media (max-width: 1024px) {
  .stage { height: auto; display: grid; gap: 24px; }
  .card, .c1, .c2, .c3 { position: relative; inset: auto; width: 100%; rotate: none; }
}
@media (max-width: 767px) {
  .wrap { padding: 0 16px; } section { padding: 96px 0; } .hero { padding-top: 120px; }
  nav a.l { display: none; }
  .feats, .steps { grid-template-columns: 1fr; gap: 48px; }
  .feat:nth-child(even), .feat.rv.in:nth-child(even) { transform: none; }
  .row { grid-template-columns: 1fr; gap: 4px; } .row:first-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); } .rows .core { padding: 8px 22px; }
  .row [data-label]::before { content: attr(data-label); content: attr(data-label) / ""; display: block; margin-top: 8px; font: 500 10px var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--faint); }
  .pill { gap: 9px; font-size: 11px; } .pill .hide { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; filter: none; }
}