:root{
  --bg:#08080a;
  --ink:#f2f2f5;
  --muted:#8c8c93;
  --faint:#5a5a61;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --red:#ff3b30;
  --red-bright:#ff5a4d;
  --green:#32d74b;
  --purple:#bf5af2;
  --panel:#0d0d10;
  --panel-2:#121216;
  --ease:cubic-bezier(.16,1,.3,1);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",system-ui,sans-serif;
  --mono:"SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:1100px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.55;overflow-x:hidden}
::selection{background:var(--red);color:#fff}
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--red-bright);z-index:100;transition:width .1s linear}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--red-bright);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--red-bright);display:inline-block}
.eyebrow.pp{color:var(--purple)}.eyebrow.pp::before{background:var(--purple)}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--faint)}

h1,h2,h3{font-weight:600;letter-spacing:-.022em;line-height:1.05}
p{color:#b9b9c0;font-size:17px}
.lead{font-size:22px;line-height:1.5;color:#d9d9de;letter-spacing:-.01em}

/* COVER */
.cover{min-height:100vh;display:flex;flex-direction:column;justify-content:space-between;padding:38px 0 56px;position:relative;overflow:hidden}
.cover::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background:
    radial-gradient(50% 42% at 76% 12%, rgba(252,152,15,.20), transparent 70%),
    radial-gradient(46% 40% at 18% 30%, rgba(114,167,232,.16), transparent 70%),
    radial-gradient(60% 50% at 50% 108%, rgba(255,59,48,.16), transparent 70%);}
.cover .wrap{position:relative;z-index:2}
.topbar{display:flex;justify-content:center;align-items:center;padding-bottom:18px}
.wordmark{font-weight:600;letter-spacing:.02em;font-size:16px;display:flex;align-items:center;gap:11px}
.wordmark .dot{width:11px;height:11px;border-radius:50%;background:var(--red);box-shadow:0 0 10px 2px rgba(255,59,48,.5)}
.topbar .doc{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.cover-mid{padding:64px 0 0}
.cover h1{font-size:clamp(52px,9.5vw,128px);line-height:.95;letter-spacing:-.04em}
.cover h1 .g{background:linear-gradient(111deg,#72a7e8 6%,#fd8152 46%,#f9ca56 92%);-webkit-background-clip:text;background-clip:text;color:transparent}
.cover .sub{margin-top:28px;max-width:640px;font-size:21px;color:#cfcfd4;line-height:1.5}
.meta{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:1px solid var(--line);padding-top:26px;margin-top:8px}
.meta .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.meta .v{font-size:15px;color:var(--ink)}
.scrollcue{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;display:flex;align-items:center;gap:10px}
.scrollcue .ln{width:46px;height:1px;background:var(--line-strong);position:relative;overflow:hidden}
.scrollcue .ln::after{content:"";position:absolute;inset:0;width:40%;background:var(--red-bright);animation:slide 1.8s var(--ease) infinite}
@keyframes slide{0%{transform:translateX(-120%)}100%{transform:translateX(320%)}}

section.block{padding:118px 0;border-top:1px solid var(--line);position:relative}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head h2{font-size:clamp(34px,5vw,56px);margin-top:18px}
.sec-head p{margin-top:20px;font-size:19px;line-height:1.55}

.twocol{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.twocol.narrow{grid-template-columns:.85fr 1.15fr}
@media(max-width:820px){.twocol,.twocol.narrow{grid-template-columns:1fr;gap:34px}}

/* shot card — frames the pre-composed product screenshots */
.shotcard{border-radius:18px;overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.05);background:#0a0a0c}
.shotcard img{display:block;width:100%;height:auto}
figure{margin:0}
figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.05em;color:var(--faint);margin-top:14px;padding-left:2px}
.full-shot{margin-top:8px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}
@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}}
.stats .s{padding:34px 26px;border-right:1px solid var(--line)}
.stats .s:last-child{border-right:none}
.stats .num{font-size:42px;font-weight:600;letter-spacing:-.03em;color:#fff}
.stats .num b{color:var(--red-bright);font-weight:600}
.stats .num.pp b{color:var(--purple)}
.stats .lab{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:8px}

/* swatches */
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:680px){.swatches{grid-template-columns:repeat(2,1fr)}}
.swatch{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel)}
.swatch .chip{height:96px;position:relative}
.swatch .meta-s{padding:14px 16px}
.swatch .nm{font-size:13.5px;font-weight:600}
.swatch .hex{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-top:4px;letter-spacing:.04em}
.swatch .role{font-size:12px;color:var(--faint);margin-top:9px;line-height:1.45}

/* principles */
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
@media(max-width:680px){.principles{grid-template-columns:1fr}}
.principles .cell{background:var(--panel);padding:30px}
.principles .n{font-family:var(--mono);font-size:12px;color:var(--purple);letter-spacing:.1em}
.principles h4{font-size:19px;font-weight:600;margin:14px 0 10px;letter-spacing:-.01em}
.principles p{font-size:15px;line-height:1.5}

/* steps */
.steps{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:90px 1fr;gap:30px;padding:32px 0;border-bottom:1px solid var(--line);align-items:start}
@media(max-width:680px){.step{grid-template-columns:1fr;gap:10px}}
.step .idx{font-family:var(--mono);font-size:13px;color:var(--red-bright);letter-spacing:.1em;padding-top:4px}
.step h4{font-size:20px;font-weight:600;letter-spacing:-.01em;margin-bottom:10px}
.step p{font-size:16px;max-width:650px}

.stack-tags{display:flex;flex-wrap:wrap;gap:10px}
.stack-tags span{font-family:var(--mono);font-size:12px;letter-spacing:.03em;color:#cfcfd4;border:1px solid var(--line-strong);border-radius:999px;padding:8px 15px;background:rgba(255,255,255,.02)}

.pull{font-size:clamp(25px,3.8vw,38px);font-weight:600;letter-spacing:-.02em;line-height:1.22;max-width:880px}
.pull em{font-style:normal;background:linear-gradient(111deg,#fd8152,#f9ca56);-webkit-background-clip:text;background-clip:text;color:transparent}
.pull em.pp{background:linear-gradient(111deg,#bf5af2,#ff6ec7);-webkit-background-clip:text;background-clip:text;color:transparent}

footer{padding:90px 0 70px;border-top:1px solid var(--line);text-align:center;position:relative;overflow:hidden}
footer::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(50% 60% at 50% 120%,rgba(255,59,48,.18),transparent 70%)}
footer .wrap{position:relative;z-index:2}
footer h2{font-size:clamp(30px,5vw,52px)}
footer .sig{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-top:28px}
.note{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.04em;margin-top:16px}

/* PRINT */
@media print{
  @page{size:1240px 1754px;margin:0}
  html,body{background:#08080a !important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .progress{display:none}
  .cover{height:1754px;min-height:0;page-break-after:always;justify-content:center;gap:52px}
  .cover-mid{padding:0}
  section.block{page-break-before:always;border-top:none;padding:96px 0}
  footer{page-break-before:always}
  figure,.shotcard,.stats,.principles,.swatch,.swatches,.step,.meta{break-inside:avoid;page-break-inside:avoid}
  .twocol{break-inside:avoid}
}