/* ── Trace website · design tokens mirror Shared/DesignTokens.swift ─────── */
:root{
  --bg:#090d16; --surface:#0c1420; --surface-2:#0f1824; --deep:#060b12;
  --border:#1e2d42; --border-active:#3a5a7a; --hairline:#131c28;
  --text:#e8f0ff; --text-2:#c8d4ea; --soft:#7a8aaa; --muted:#6f80a0; --faint:#3a4d66; --dim:#2a3a52;
  --orange:#f97316; --amber:#fbbf24; --amber-deep:#b45309; --blue:#60a5fa; --sky:#7dd3fc;
  --green:#34d399; --red:#f87171; --purple:#c084fc; --pink:#f9a8d4;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",Inter,system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --container:1160px; --ease:cubic-bezier(.22,.61,.36,1);
  --phone-w:clamp(230px,24vw,330px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text-2);font:17px/1.55 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:var(--orange)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.02em}
p{margin:0}
.container{width:min(var(--container),100% - 48px);margin-inline:auto}
.center{text-align:center}
.eyebrow{font:700 12px/1 var(--font);letter-spacing:.22em;text-transform:uppercase;color:var(--orange);margin:0 0 14px}
.lede{font-size:clamp(17px,1.6vw,20px);color:var(--text-2);max-width:760px;margin-inline:auto}
.fine{font-size:13px;color:var(--muted);line-height:1.5}
.skip{position:absolute;left:-999px;top:8px;background:var(--orange);color:#0b0f1a;padding:8px 12px;border-radius:8px;font-weight:700;z-index:100}
.skip:focus{left:8px}

/* ── buttons ─────────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.4rem;border-radius:999px;font:700 15px/1 var(--font);text-decoration:none;border:1px solid transparent;transition:transform .2s var(--ease),background .2s,border-color .2s,box-shadow .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#0b0f1a;box-shadow:0 8px 30px -10px rgba(249,115,22,.7)}
.btn-primary:hover{background:#fb8a3a}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--text);border-color:var(--border-active)}
.btn-ghost:hover{border-color:var(--soft);background:rgba(255,255,255,.06)}
.btn-small{padding:.55rem 1rem;font-size:13px}
.btn-large{padding:1.05rem 1.8rem;font-size:16px}

/* ── header · the app's header bar, scaled to 72 px ──────────────────────── */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;height:72px;transition:background .35s,border-color .35s,backdrop-filter .35s;border-bottom:1px solid transparent}
.scrolled .site-header,.doc-page .site-header{background:rgba(9,13,22,.74);-webkit-backdrop-filter:saturate(140%) blur(16px);backdrop-filter:saturate(140%) blur(16px);border-color:var(--hairline)}
.nav{height:100%;width:min(var(--container),100% - 40px);margin-inline:auto;display:flex;align-items:center;justify-content:flex-end;gap:28px}
.brand{position:absolute;left:0;top:0;width:260px;height:72px;display:block;text-decoration:none;color:var(--text);opacity:0;transform:translateY(-6px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.scrolled .brand,.doc-page .brand{opacity:1;transform:none}
.brand-arc{position:absolute;inset:0;width:260px;height:72px;overflow:visible}
.brand-text{position:absolute;left:187px;top:44.6px;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:3px;white-space:nowrap}
.brand-word{font:900 18px/1 var(--font);letter-spacing:.3em;padding-left:.3em;color:var(--text);text-shadow:0 0 16px rgba(249,115,22,.3)}
.brand-sub{font:600 8.5px/1 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.footer-brand .brand-word{padding-left:0;text-shadow:none}
.nav-links{list-style:none;display:flex;gap:26px;margin:0;padding:0}
.nav-links a{color:var(--soft);text-decoration:none;font-size:14px;font-weight:600;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.cta-short{display:none}
@media (max-width:820px){.nav-links{display:none}.nav{gap:12px}.cta-long{display:none}.cta-short{display:inline}.nav-cta{padding:.5rem .85rem;font-size:12px}}

/* ── scenes (sticky stages) ──────────────────────────────────────────────── */
.scene{position:relative;height:calc(var(--len,2) * 100vh);height:calc(var(--len,2) * 100svh)}
.scene .stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;perspective:1400px}
.anchor{position:absolute;left:0;width:1px;height:1px;pointer-events:none}

/* ── scene 1 · story ─────────────────────────────────────────────────────── */
.scene-story{--hp:0}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(900px 520px at 10% 100%,rgba(249,115,22,.16),transparent 70%),
  radial-gradient(60% 50% at 50% 42%,#0d1422 0%,var(--bg) 70%),
  repeating-linear-gradient(90deg,rgba(255,255,255,.028) 0 1px,transparent 1px 96px),
  repeating-linear-gradient(0deg,rgba(255,255,255,.028) 0 1px,transparent 1px 96px);
  opacity:clamp(0,calc(1 - var(--hp) * 1.4),1)}
.splash{position:absolute;inset:0;width:100%;height:100%;opacity:clamp(0,calc(1 - var(--hp) * 1.6),1);pointer-events:none}
.hero-copy{position:absolute;left:50%;top:44%;width:min(92vw,960px);text-align:center;z-index:2;
  transform:translate(-50%,calc(-50% - var(--hp) * 16vh)) scale(calc(1 - var(--hp) * .14));
  opacity:clamp(0,calc(1 - var(--hp) * 2.2),1);pointer-events:none}
.hero-copy.lit{pointer-events:auto}
.wordmark{font:900 clamp(60px,12vw,150px)/1 var(--font);letter-spacing:.26em;color:var(--text);margin:0;opacity:.14;transition:opacity .35s var(--ease);position:relative;text-shadow:0 0 0 transparent}
.wordmark span{display:inline-block;position:relative}
.wordmark span:last-child{margin-right:-.26em}
.wordmark.lit{opacity:1;animation:breathe 3.3s ease-in-out infinite}
@keyframes breathe{0%,100%{text-shadow:0 0 22px rgba(249,115,22,.45),0 0 60px rgba(249,115,22,.15)}50%{text-shadow:0 0 34px rgba(249,115,22,.75),0 0 90px rgba(249,115,22,.28)}}
.impact-dot{position:absolute;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;z-index:3;transform:scale(0);
  background:radial-gradient(circle,#fff 0 3px,var(--orange) 4px 6px,rgba(249,115,22,.35) 7px 11px,transparent 12px)}
.impact-dot.show{animation:pop .55s var(--ease) forwards,pulse 3.3s ease-in-out .55s infinite}
@keyframes pop{0%{transform:scale(0)}55%{transform:scale(1.35)}100%{transform:scale(1)}}
@keyframes pulse{0%,100%{filter:brightness(1)}50%{filter:brightness(1.35)}}
.hero-copy > :not(.wordmark):not(.impact-dot){opacity:0;transform:translateY(12px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.hero-copy.lit > :not(.wordmark):not(.impact-dot){opacity:1;transform:none}
.hero-copy.lit .hero-tagline{transition-delay:.35s}.hero-copy.lit .hero-line{transition-delay:.55s}.hero-copy.lit .hero-sub{transition-delay:.7s}.hero-copy.lit .hero-ctas{transition-delay:.85s}
.hero-tagline{font:600 12px/1 var(--font);letter-spacing:.24em;text-transform:uppercase;color:var(--soft);margin-top:clamp(14px,2vw,24px)}
.hero-line{font:800 clamp(26px,3.6vw,42px)/1.1 var(--font);letter-spacing:-.025em;color:var(--text);margin:.9em 0 .35em}
.hero-sub{max-width:640px;margin-inline:auto;font-size:clamp(16px,1.5vw,19px);color:var(--text-2)}
.hero-ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font:600 10px/1 var(--font);letter-spacing:.22em;text-transform:uppercase;color:var(--faint);opacity:clamp(0,calc(1 - var(--hp) * 5),1);z-index:2}
.scroll-cue-line{width:1px;height:30px;background:linear-gradient(180deg,transparent,var(--orange),transparent);background-size:100% 200%;animation:cue 1.8s linear infinite}
@keyframes cue{0%{background-position:0 100%}100%{background-position:0 -100%}}

.device.phone{position:absolute;left:50%;top:50%;width:var(--phone-w);z-index:4;transform-style:preserve-3d;
  --dx:0px;--dy:62vh;--s:.86;--rx:14deg;
  transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) scale(var(--s)) rotateX(var(--rx));will-change:transform}
.phone-frame{position:relative;width:var(--phone-w);padding:calc(var(--phone-w) * .032);background:#0b0f17;border-radius:calc(var(--phone-w) * .165);
  box-shadow:0 0 0 1.5px #2b3546,0 0 0 3px #060810,0 50px 90px -30px rgba(0,0,0,.85),0 0 140px -40px rgba(249,115,22,.35)}
.phone-frame.small{--phone-w:clamp(200px,18vw,250px);margin-inline:auto}
.phone-frame .screen{position:relative;overflow:hidden;background:#000;aspect-ratio:720/1564;border-radius:calc(var(--phone-w) * .165 - var(--phone-w) * .032)}
.phone-frame .island{position:absolute;z-index:3;left:50%;top:calc(var(--phone-w) * .032 + (var(--phone-w) - var(--phone-w) * .064) * .032);width:calc((var(--phone-w) - var(--phone-w) * .064) * .282);height:calc((var(--phone-w) - var(--phone-w) * .064) * .083);transform:translateX(-50%);background:#000;border-radius:999px}
.screen img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.035);transition:opacity .55s var(--ease),transform .8s var(--ease)}
.screen img.is-active,.screen img:only-child{opacity:1;transform:none}

.chapters{position:absolute;inset:0;z-index:3;opacity:0;transition:opacity .5s var(--ease);pointer-events:none}
.chapters.is-on{opacity:1}
.chapter-copy{position:absolute;left:8vw;top:0;bottom:0;width:min(38vw,520px);display:grid;align-items:center}
.chapter{grid-area:1/1;opacity:0;transform:translateY(28px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.chapter.is-active{opacity:1;transform:none;pointer-events:auto}
.chapter h2,.course-copy h2,.watch-copy h2,.wind-copy h2,.tune-copy h2{font:800 clamp(30px,3.7vw,52px)/1.05 var(--font);letter-spacing:-.028em;color:var(--text);margin:0 0 .5em}
.chapter p:not(.eyebrow),.course-copy > p:not(.eyebrow),.watch-copy > p:not(.eyebrow):not(.fine),.wind-copy > p:not(.eyebrow),.tune-copy > p:not(.eyebrow){font-size:clamp(16px,1.35vw,19px);color:var(--text-2);max-width:52ch}
.rail{position:absolute;right:26px;top:50%;transform:translateY(-50%);list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.rail li,.wdots li{width:6px;height:6px;border-radius:999px;background:var(--dim);transition:all .4s var(--ease)}
.rail li.is-active{height:24px;background:var(--orange)}
@media (max-width:820px){
  :root{--phone-w:clamp(200px,56vw,260px)}
  .hero-copy{top:38%}
  .chapter-copy{left:6vw;right:6vw;width:auto;top:auto;bottom:max(18px,env(safe-area-inset-bottom));height:42vh;align-items:end;padding-bottom:8px}
  .chapter h2{font-size:clamp(24px,6.8vw,30px)}
  .chapter p:not(.eyebrow){font-size:15px}
  .chapter{background:linear-gradient(180deg,transparent,rgba(9,13,22,.85) 30%);padding:28px 0 0}
  .rail{display:none}
}

/* ── scene 2 · courses of fire ───────────────────────────────────────────── */
.scene-course .stage{background:var(--deep)}
.course-map{position:absolute;top:0;bottom:0;right:0;left:44%}
.course-map .field{width:100%;height:100%;font-family:var(--mono)}
.course-map::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,var(--deep) 0,rgba(6,11,18,.6) 18%,transparent 45%),linear-gradient(180deg,rgba(6,11,18,.7),transparent 18%,transparent 82%,rgba(6,11,18,.8));z-index:1}
.shot-line{stroke:var(--orange);stroke-width:4;stroke-dasharray:14 10;stroke-linecap:round;filter:drop-shadow(0 0 6px rgba(249,115,22,.6))}
.ticks line{stroke:var(--orange);stroke-width:3;opacity:0;transition:opacity .4s}
.ticks text{fill:#fff;font-size:15px;font-weight:700;opacity:0;transition:opacity .4s;paint-order:stroke;stroke:rgba(0,0,0,.7);stroke-width:4px}
.ticks g.on line,.ticks g.on text{opacity:.9}
.ticks g.on.near text,.ticks g.on.near line{opacity:0}
.target{opacity:0;transform:scale(.4);transform-box:fill-box;transform-origin:center;transition:opacity .45s var(--ease),transform .55s cubic-bezier(.34,1.56,.64,1)}
.target.on{opacity:1;transform:none}
.target .halo{opacity:.28}.target .hot{fill:#fff;opacity:.9}
.t1 .halo,.t1 .core{fill:var(--orange)}.t2 .halo,.t2 .core{fill:var(--sky)}.t3 .halo,.t3 .core{fill:var(--purple)}
.shooter .ring{fill:var(--blue);opacity:.25}.shooter .dot{fill:var(--blue);stroke:#fff;stroke-width:4}
.shooter,.ticks{transition:none}
.chip.live .rng{fill:var(--green)}
.chip{opacity:0;transition:opacity .45s var(--ease)}
.chip.on{opacity:1}
.chip rect{fill:rgba(9,13,22,.9);stroke:rgba(255,255,255,.12)}
.chip text{fill:var(--text);font-size:19px;font-weight:700}
.chip.t1 circle{fill:var(--orange)}.chip.t2 circle{fill:var(--sky)}.chip.t3 circle{fill:var(--purple)}
.chip.t1 rect{stroke:rgba(249,115,22,.7)}
.livepill{opacity:0;transition:opacity .5s var(--ease)}
.livepill.on{opacity:1}
.livepill rect{fill:rgba(9,13,22,.9);stroke:rgba(52,211,153,.6)}
.livepill circle{fill:var(--green)}.livepill text{fill:var(--green);font-size:17px;font-weight:700}
.compass .tick{stroke:rgba(255,255,255,.7);stroke-width:2}
.compass text{fill:rgba(255,255,255,.85);font-size:15px;font-weight:700;text-anchor:middle}
.compass text.n{fill:var(--red);font-size:20px;font-weight:900}
.compass .needle{stroke:var(--orange);stroke-width:4;stroke-linecap:round}
.course-copy{position:absolute;left:8vw;top:50%;transform:translateY(-50%);width:min(36vw,500px);z-index:2}
.steps{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:14px}
.steps li{position:relative;padding-left:34px;color:var(--soft);font-size:16px;transition:color .4s}
.steps li::before{content:attr(data-step);position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;border:1px solid var(--dim);font:700 11px/22px var(--mono);text-align:center;color:var(--faint);transition:all .4s}
.steps li.on{color:var(--text-2)}
.steps li.on::before{background:var(--orange);border-color:var(--orange);color:#0b0f1a}
.steps b{color:var(--text)}
@media (max-width:820px){
  .course-map{left:0;top:56px;bottom:40%}
  .course-map::before{background:linear-gradient(180deg,rgba(6,11,18,.5),transparent 25%,transparent 45%,rgba(6,11,18,.92) 70%)}
  .course-copy{left:6vw;right:6vw;width:auto;top:auto;bottom:max(20px,env(safe-area-inset-bottom));transform:none}
  .course-copy h2{font-size:clamp(26px,7vw,34px)}
  .course-copy > p:not(.eyebrow){display:none}
  .steps{gap:8px}.steps li{font-size:14px}
}

/* ── scene 3 · apple watch ───────────────────────────────────────────────── */
.watch-grid{height:100%;width:min(var(--container),100% - 48px);margin-inline:auto;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px}
.device.watch{--watch-w:clamp(230px,24vw,320px);display:flex;flex-direction:column;align-items:center;gap:26px}
.watch-frame{position:relative;width:var(--watch-w);padding:calc(var(--watch-w) * .06);background:#0a0c12;border-radius:calc(var(--watch-w) * .26);
  box-shadow:0 0 0 2px #2b3546,0 0 0 4px #060810,0 50px 90px -30px rgba(0,0,0,.9),0 0 120px -30px rgba(96,165,250,.2)}
.crown{position:absolute;right:calc(var(--watch-w) * -.055);top:26%;width:calc(var(--watch-w) * .07);height:22%;border-radius:5px;
  background:repeating-linear-gradient(180deg,#3a4457 0 3px,#1a2030 3px 6px);background-position:0 calc(var(--p,0) * 180px);box-shadow:inset 0 0 0 1px #0a0d14}
.crown::after{content:"";position:absolute;inset:38% 20% auto 20%;height:24%;border-radius:2px;background:var(--orange);opacity:.85}
.side-btn{position:absolute;right:calc(var(--watch-w) * -.03);top:54%;width:calc(var(--watch-w) * .035);height:16%;border-radius:3px;background:#1d2434;box-shadow:inset 0 0 0 1px #0a0d14}
.wscreen{position:relative;overflow:hidden;aspect-ratio:416/496;border-radius:calc(var(--watch-w) * .2);background:#000;--idx:0}
.wscreen img{position:absolute;inset:0;width:100%;height:100%;transform:translateX(calc((var(--i) - var(--idx)) * 100%));transition:transform .65s var(--ease)}
.wdots{list-style:none;margin:0;padding:0;display:flex;gap:9px}
.wdots li.is-active{width:22px;background:var(--orange)}
.wchapters{display:grid;margin-top:8px;min-height:6em}
.wchapter{grid-area:1/1;opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease);font-size:clamp(16px,1.35vw,19px);color:var(--text-2);max-width:48ch}
.wchapter.is-active{opacity:1;transform:none}
.wchapter b{color:var(--orange)}
.watch-copy .fine{margin-top:26px}
@media (max-width:820px){
  .watch-grid{grid-template-columns:1fr;align-content:center;gap:24px;padding-top:70px}
  .device.watch{--watch-w:clamp(170px,46vw,215px)}
  .watch-copy h2{font-size:clamp(26px,7vw,34px)}
  .watch-copy h2 br{display:none}
  .wchapters{min-height:5.5em}
}

/* ── scene 4 · wind ──────────────────────────────────────────────────────── */
.wind-grid,.tune-grid{height:100%;width:min(var(--container),100% - 48px);margin-inline:auto;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:48px}
.wind-panel,.tune-panel{background:var(--surface);border:1px solid var(--border);border-radius:28px;padding:28px;max-width:440px;justify-self:center;width:100%;box-shadow:0 40px 90px -40px rgba(0,0,0,.9)}
.wind-head,.tune-head{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:1px solid var(--border);font:700 12px/1 var(--font);letter-spacing:.08em;color:var(--soft);background:var(--surface-2)}
.pill-mono{font-family:var(--mono);letter-spacing:0;font-size:13px;color:var(--text)}
.pill-purple{border-color:rgba(192,132,252,.6);color:var(--purple)}
.pill-amber{border-color:rgba(251,191,36,.6);color:var(--amber);opacity:.35;transition:opacity .5s}
.trued .pill-amber{opacity:1}
.wind-dial{width:min(260px,70%);margin:6px auto 14px}
.dial-ring{fill:none;stroke:var(--border);stroke-width:2}
.dial-ticks line{stroke:var(--faint);stroke-width:3;stroke-linecap:round}
.dial-labels text{fill:var(--muted);font:700 12px var(--mono);text-anchor:middle}
.vector{transform-origin:100px 100px;transform:rotate(calc(var(--ang,0) * 1deg - 90deg))}
.vector .shaft{stroke:var(--red);stroke-width:6;stroke-linecap:round}
.vector .head{fill:var(--red)}
.vector .tail{fill:var(--red);stroke:#fff;stroke-width:2}
.hub{fill:var(--soft)}
.wind-read{display:grid;gap:12px;text-align:center}
.wind-from{font:700 12px/1 var(--font);letter-spacing:.2em;color:var(--muted)}
.wind-from b{font:800 18px/1 var(--mono);color:var(--orange);margin:0 4px}
.wind-values{display:flex;gap:6px;justify-content:center}
.wind-values span{font:700 11px/1 var(--mono);padding:6px 9px;border-radius:8px;border:1px solid var(--hairline);color:var(--faint);transition:all .3s}
.wind-values span.is-on{color:#0b0f1a;background:var(--purple);border-color:var(--purple)}
.wind-hold{display:flex;align-items:baseline;justify-content:center;gap:8px;font:700 11px/1 var(--font);letter-spacing:.16em;color:var(--muted)}
.wind-hold b{font:800 30px/1 var(--mono);color:var(--purple)}
.wind-hold small{font:700 11px/1 var(--mono);color:var(--faint);margin-right:8px}
.wind-drift{font:700 12px/1 var(--mono);letter-spacing:.1em;color:var(--amber)}

/* ── scene 5 · tune ──────────────────────────────────────────────────────── */
.ladder{width:100%;border-collapse:collapse;font:700 15px/1 var(--mono)}
.ladder th{font:700 10px/1 var(--font);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);text-align:left;padding:0 10px 10px}
.ladder td{padding:13px 10px;border-top:1px solid var(--hairline);color:var(--text-2)}
.ladder td:first-child{color:var(--text)}
.ladder td:nth-child(2){color:var(--soft)}
.ladder .actual,.ladder .delta{opacity:0;transition:opacity .45s var(--ease)}
.ladder tr.is-on .actual{opacity:1;color:var(--text)}
.ladder tr.is-on .delta{opacity:1;color:var(--amber)}
.ladder tr.is-on.ok .delta{color:var(--green)}
.ladder tr.predicted .now{display:none;color:var(--amber)}
.trued .ladder tr.predicted .was{display:none}
.trued .ladder tr.predicted .now{display:inline}
.trued .ladder tr.predicted .actual,.trued .ladder tr.predicted .delta{opacity:1}
.trued .ladder tr.predicted .delta{color:var(--amber);font-size:11px;letter-spacing:.1em}
.tune-foot{margin-top:14px;font:700 12px/1 var(--mono);letter-spacing:.1em;color:var(--muted)}
.trued .tune-foot{color:var(--amber)}
@media (max-width:820px){
  .wind-grid,.tune-grid{grid-template-columns:1fr;align-content:center;gap:20px;padding-top:70px}
  .wind-panel,.tune-panel{padding:20px;border-radius:22px}
  .wind-copy h2,.tune-copy h2{font-size:clamp(26px,7vw,34px)}
  .wind-dial{width:44%}
  .tune-copy,.wind-copy{order:-1}
}

/* ── flow sections ───────────────────────────────────────────────────────── */
.stats{padding:clamp(70px,9vw,120px) 0;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);background:linear-gradient(180deg,var(--deep),var(--bg))}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:28px}
.stats-grid b{display:block;font:800 clamp(38px,4.6vw,62px)/1 var(--mono);color:var(--text);letter-spacing:-.03em;margin-bottom:10px}
.stats-grid span{font-size:14px;color:var(--muted);line-height:1.4;display:block}
.pricing,.privacy-block,.final-cta{padding:clamp(80px,10vw,140px) 0}
.pricing h2,.privacy-block h2,.final-cta h2{font:800 clamp(32px,4.4vw,58px)/1.05 var(--font);letter-spacing:-.03em;margin-bottom:18px}
.price-grid{display:grid;grid-template-columns:1fr 1fr .8fr;gap:26px;align-items:center;margin-top:56px}
.price-card{background:var(--surface);border:1px solid var(--border);border-radius:26px;padding:34px;display:flex;flex-direction:column;gap:16px}
.price-card.pro{border-color:rgba(249,115,22,.55);box-shadow:0 0 90px -30px rgba(249,115,22,.45);background:linear-gradient(180deg,#111a2a,var(--surface))}
.price-tier{font:700 12px/1 var(--font);letter-spacing:.22em;text-transform:uppercase;color:var(--soft)}
.pro .price-tier{color:var(--orange)}
.price{font:800 clamp(40px,4.4vw,56px)/1 var(--font);letter-spacing:-.03em;color:var(--text)}
.price small{font:600 15px/1 var(--font);color:var(--soft);letter-spacing:0;margin-left:6px}
.price-card ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;flex:1}
.price-card li{padding-left:26px;position:relative;color:var(--text-2);font-size:16px}
.price-card li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}
.price-card .btn{align-self:flex-start}
.price-shot{margin:0}
.priv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.priv-grid > div{background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:28px}
.priv-grid h3{font:800 19px/1.25 var(--font);margin-bottom:10px}
.priv-grid p{color:var(--text-2);font-size:16px}
.final-cta{background:radial-gradient(60% 60% at 50% 60%,#101a2c,var(--bg) 75%);border-top:1px solid var(--hairline)}
.wordmark.small{font-size:clamp(26px,3.6vw,42px);opacity:1;margin-bottom:22px;text-shadow:0 0 26px rgba(249,115,22,.45);color:var(--text)}
.final-cta .hero-ctas{margin:28px 0 22px}
.final-cta .fine{max-width:560px;margin-inline:auto;color:var(--soft)}
@media (max-width:920px){.stats-grid{grid-template-columns:repeat(2,1fr)}.price-grid{grid-template-columns:1fr}.price-shot{display:none}.priv-grid{grid-template-columns:1fr}}

/* ── reveal on enter ─────────────────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ── footer ──────────────────────────────────────────────────────────────── */
.site-footer{border-top:1px solid var(--hairline);background:var(--deep);padding:64px 0 36px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-brand .brand-word{font-size:18px;display:block;margin-bottom:14px}
.footer-tag{color:var(--text-2);font-size:15px;max-width:34ch}
.footer-company{color:var(--soft);font-size:14px;margin-top:10px}
.footer-company strong{color:var(--text)}
.footer-col h4{font:700 12px/1 var(--font);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.footer-col a{display:block;color:var(--text-2);text-decoration:none;font-size:15px;margin-bottom:10px}
.footer-col a:hover{color:var(--orange)}
.footer-legal{margin-top:44px;padding-top:22px;border-top:1px solid var(--hairline);display:grid;gap:8px}
.footer-legal p{font-size:12.5px;color:var(--muted);line-height:1.5}
@media (max-width:720px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* ── document pages (support · privacy · 404) ────────────────────────────── */
.doc-wrap{max-width:780px;padding:142px 0 90px}
.doc-head{margin-bottom:44px;padding-bottom:28px;border-bottom:1px solid var(--hairline)}
.doc-head h1{font:800 clamp(34px,5vw,56px)/1.05 var(--font);letter-spacing:-.03em;margin-bottom:12px}
.doc-meta{color:var(--muted);font-size:15px}
.doc-body h2{font:800 clamp(22px,2.6vw,28px)/1.2 var(--font);letter-spacing:-.02em;margin:2.2em 0 .7em;padding-top:.9em;border-top:1px solid var(--hairline)}
.doc-body h3{font:700 19px/1.3 var(--font);margin:1.9em 0 .5em;color:var(--text)}
.doc-body p,.doc-body li{font-size:17px;line-height:1.7;color:var(--text-2)}
.doc-body p{margin:0 0 1em}
.doc-body ul,.doc-body ol{padding-left:1.35em;margin:0 0 1.2em}
.doc-body li{margin-bottom:.45em}
.doc-body li p{margin:0}
.doc-body strong{color:var(--text)}
.doc-body code{font-family:var(--mono);font-size:.9em;background:var(--surface-2);border:1px solid var(--hairline);padding:.12em .42em;border-radius:6px;color:var(--sky)}
.doc-body blockquote{margin:0 0 1.2em;padding:.4em 1.1em;border-left:3px solid var(--orange);color:var(--soft);background:var(--surface)}
.doc-body hr{border:0;border-top:1px solid var(--hairline);margin:2.5em 0}
.doc-body a{word-break:break-word}
.notfound{padding-top:170px}
.notfound h1{font:800 clamp(34px,5vw,60px)/1.05 var(--font);letter-spacing:-.03em;margin-bottom:16px}
.notfound .lede{margin-bottom:28px}

/* ── reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .wordmark.lit,.impact-dot.show,.scroll-cue-line{animation:none}
  .impact-dot.show{transform:scale(1)}
  .screen img,.chapter,.wchapter,.wscreen img,.target,.chip,.live,.steps li,.steps li::before,.ladder .actual,.ladder .delta,.brand,.site-header{transition-duration:.01s}
  .device.phone{--rx:0deg}
}