/* BrainX — product.xman4289.com
   Palette and mood are lifted from the product itself: deep-space navy, one
   cyan accent, one coral. Every raster image on this page is feathered with a
   mask so it dissolves into the background instead of sitting in a rectangle. */

:root{
  --bg:#05060f; --bg-2:#080a18;
  --ink:#eef0ff; --ink-2:#a8adcc; --ink-3:#6b7096;
  --cy:#6cf0ff; --vi:#8b7cf6; --co:#e8825a; --gr:#57e08a;
  --line:rgba(140,150,220,.14);
  --glass:rgba(14,16,34,.55);
  --wrap:1240px;
  --sans:"Sora","IBM Plex Sans Thai",system-ui,sans-serif;
  --thai:"IBM Plex Sans Thai","Sora",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --ease:cubic-bezier(.22,.8,.28,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--thai); font-weight:300; font-size:17px; line-height:1.7;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
:lang(en) body,html[data-lang="en"] body{font-family:var(--sans)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--sans);font-weight:700;line-height:1.12;letter-spacing:-.02em;margin:0}
.wrap{width:min(var(--wrap),92vw);margin-inline:auto}

/* ── ambient ─────────────────────────────────────────────── */
/* Atmosphere, not content. It sat at .9 and ran straight through the headline
   — a galaxy is a busy texture and 80px type on top of it is unreadable. Held
   back, and masked away from the upper-middle where the hero copy lives. */
#bg-galaxy{
  position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.5;
  -webkit-mask-image:radial-gradient(72% 46% at 50% 30%,transparent 0%,rgba(0,0,0,.55) 55%,#000 82%);
  mask-image:radial-gradient(72% 46% at 50% 30%,transparent 0%,rgba(0,0,0,.55) 55%,#000 82%);
}
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
main,.nav,.foot{position:relative;z-index:2}
.scroll-rail{position:fixed;left:0;top:0;height:2px;width:100%;z-index:60;background:transparent}
.scroll-rail i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cy),var(--vi),var(--co));box-shadow:0 0 14px rgba(108,240,255,.7)}

/* ── nav ─────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:28px;
  padding:14px clamp(16px,4vw,42px);
  background:linear-gradient(180deg,rgba(5,6,15,.92),rgba(5,6,15,.55) 70%,transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:background .4s var(--ease),border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.stuck{background:rgba(5,6,15,.9);border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand-mark{position:relative;width:26px;height:26px;flex:none}
.brand-mark i{position:absolute;inset:0;border-radius:50%;border:1.4px solid var(--cy);opacity:.85}
.brand-mark i:nth-child(2){transform:rotate(60deg) scaleX(.42);border-color:var(--vi)}
.brand-mark i:nth-child(3){transform:rotate(-60deg) scaleX(.42);border-color:var(--co)}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:7px;height:7px;margin:-3.5px 0 0 -3.5px;border-radius:50%;background:#fff;box-shadow:0 0 12px 3px rgba(108,240,255,.9)}
.brand-name{font-family:var(--sans);font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand-by{font-family:var(--mono);font-size:9px;letter-spacing:.22em;color:var(--ink-3);padding-left:10px;border-left:1px solid var(--line);align-self:center}
.nav-links{display:flex;gap:26px}
.nav-links a{font-size:14px;color:var(--ink-2);transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:12px}
.lang{
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;
  padding:6px 12px;color:var(--ink-3);font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  transition:border-color .25s,background .25s;
}
.lang:hover{border-color:rgba(108,240,255,.4)}
.lang-sep{width:1px;height:11px;background:var(--line)}
html[data-lang="th"] .lang-th,html[data-lang="en"] .lang-en{color:var(--cy);text-shadow:0 0 12px rgba(108,240,255,.6)}

/* ── buttons ─────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:9px;border-radius:999px;cursor:pointer;
  padding:13px 26px;font-family:var(--sans);font-weight:600;font-size:15px;
  border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s,background .3s;
}
.btn-sm{padding:9px 18px;font-size:13px}
.btn svg{transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{
  color:#04060e;border-color:transparent;
  background:linear-gradient(120deg,#9ff6ff,var(--cy) 45%,#b9a8ff);
  box-shadow:0 10px 40px -12px rgba(108,240,255,.65);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 50px -12px rgba(108,240,255,.85)}
.btn-ghost{color:var(--ink);background:rgba(255,255,255,.035)}
.btn-ghost:hover{border-color:rgba(108,240,255,.45);background:rgba(108,240,255,.07)}

/* ── hero ────────────────────────────────────────────────── */
.hero{position:relative;padding:clamp(50px,9vh,110px) 0 0;text-align:center;overflow:hidden}
.hero-glow{
  position:absolute;left:50%;top:-28vh;width:120vw;height:80vh;transform:translateX(-50%);
  background:radial-gradient(50% 50% at 50% 50%,rgba(108,240,255,.14),rgba(139,124,246,.09) 45%,transparent 72%);
  filter:blur(30px);pointer-events:none;
}
.hero-inner{position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:26px;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--ink-2);
  border:1px solid var(--line);border-radius:999px;padding:7px 16px;background:rgba(255,255,255,.03);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gr);box-shadow:0 0 10px var(--gr);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1{font-size:clamp(38px,6.6vw,86px);font-weight:800;
  /* the sky is behind it; a wide soft shadow keeps the counters clean */
  text-shadow:0 2px 40px rgba(3,4,12,.9),0 0 90px rgba(3,4,12,.7)}
.h1-line{display:block}
.grad{
  background:linear-gradient(100deg,#fff 5%,var(--cy) 38%,var(--vi) 66%,var(--co) 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:220% 100%;animation:slide 9s ease-in-out infinite;
}
@keyframes slide{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.lede{max-width:660px;margin:26px auto 0;color:var(--ink-2);font-size:clamp(15px,1.5vw,18.5px)}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.hero-stats{
  list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(24px,5vw,64px);
  margin:52px 0 0;padding:0;
}
.hero-stats b{display:block;font-family:var(--sans);font-weight:800;font-size:clamp(26px,3.4vw,42px);
  background:linear-gradient(180deg,#fff,#8ea2d8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase}

/* the hero screenshot: feathered on every edge so it has no frame at all */
.hero-shot{margin:clamp(40px,7vw,86px) 0 0;position:relative}
/* `ellipse` stated explicitly. A two-value radial size implies an ellipse by
   spec, but leaving it off had this whole figure painting nothing at all —
   the box reserved its 495px and the screenshot never appeared. An unsupported
   mask does not degrade to "no mask", it degrades to "no pixels". */
/* Two masks composited: an ellipse that dissolves the corners, and a linear
   pass that kills the top and bottom edges outright. One radial alone still
   left a straight horizontal boundary across the top of the frame — which is
   the "pasted-in rectangle" look this whole treatment exists to avoid. */
.shot-mask{
  width:min(1500px,96vw);margin-inline:auto;position:relative;
  --m1:radial-gradient(ellipse 96% 104% at 50% 44%,#000 30%,rgba(0,0,0,.5) 66%,transparent 88%);
  --m2:linear-gradient(180deg,transparent 0%,#000 14%,#000 74%,transparent 99%);
  -webkit-mask-image:var(--m1),var(--m2);
  mask-image:var(--m1),var(--m2);
  -webkit-mask-composite:source-in;      /* Safari/WebKit keyword */
  mask-composite:intersect;              /* CSS Masking Level 1 */
}
.shot-mask img{width:100%;opacity:.94}
.shot-mask::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 55%,rgba(5,6,15,.85) 96%);
}
.hero-shot figcaption{
  margin-top:-14px;text-align:center;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase;position:relative;
}

/* ── marquee ─────────────────────────────────────────────── */
.marquee{overflow:hidden;padding:26px 0;border-block:1px solid var(--line);margin-top:clamp(40px,7vw,80px);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:34px;align-items:center;width:max-content;animation:march 46s linear infinite}
@keyframes march{to{transform:translateX(-50%)}}
.marquee span{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--ink-3);white-space:nowrap}
.marquee i{color:var(--cy);opacity:.55;font-style:normal;font-size:9px}

/* ── sections ────────────────────────────────────────────── */
.sec{padding:clamp(72px,11vw,150px) 0;position:relative}
.sec-tight{padding-top:clamp(40px,6vw,80px)}
.sec-head{max-width:800px;margin-bottom:clamp(38px,5vw,68px)}
.kicker{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.24em;
  color:var(--cy);text-transform:uppercase;margin-bottom:16px}
.sec h2{font-size:clamp(27px,3.9vw,50px)}
.sec-lede{color:var(--ink-2);margin:20px 0 0;font-size:clamp(15px,1.4vw,17.5px)}

/* ── pillars ─────────────────────────────────────────────── */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.pillar{
  padding:32px 28px;border:1px solid var(--line);border-radius:20px;background:var(--glass);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);position:relative;overflow:hidden;
  transition:transform .45s var(--ease),border-color .45s,box-shadow .45s;
}
.pillar::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .45s;
  background:radial-gradient(70% 60% at 20% 0%,rgba(108,240,255,.13),transparent 70%);
}
.pillar:hover{transform:translateY(-6px);border-color:rgba(108,240,255,.3);box-shadow:0 26px 60px -30px rgba(0,0,0,.9)}
.pillar:hover::before{opacity:1}
.pillar h3{font-size:20px;margin:18px 0 10px;position:relative}
.pillar p{color:var(--ink-2);font-size:15px;margin:0;position:relative}
.pillar-ico{width:44px;height:44px;border-radius:13px;border:1px solid var(--line);position:relative;
  background:rgba(108,240,255,.06)}
.pillar-ico::after{content:"";position:absolute;inset:11px;border:1.5px solid var(--cy);border-radius:4px;opacity:.9}
.pillar-ico[data-ico="graph"]::after{border-radius:50%;box-shadow:0 0 0 4px rgba(108,240,255,.12)}
.pillar-ico[data-ico="search"]::after{border-radius:50% 50% 50% 2px}
.pillar-ico[data-ico="bus"]::after{border-radius:50%;transform:scaleY(.45);border-color:var(--co)}

/* ── bento ───────────────────────────────────────────────── */
.bento{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px}
.b-lg{grid-column:span 2;grid-row:span 2}
.bento-cell{
  margin:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--glass);
  display:flex;flex-direction:column;transition:transform .45s var(--ease),border-color .45s;
}
.bento-cell:hover{transform:translateY(-5px);border-color:rgba(108,240,255,.32)}
.cell-img{position:relative;flex:1 1 auto;min-height:120px;overflow:hidden;background:#04050d}
/* Feathered on ALL FOUR sides, not just the bottom. A crop lifted out of a
   screenshot ends mid-pixel on every edge; fading only where the caption
   overlaps still left three straight cut lines per cell. */
.cell-img img{width:100%;height:100%;object-fit:cover;object-position:left top;
  --cx:radial-gradient(ellipse 92% 96% at 50% 42%,#000 42%,rgba(0,0,0,.55) 74%,transparent 94%);
  --cy2:linear-gradient(180deg,transparent 0%,#000 9%,#000 60%,transparent 99%);
  -webkit-mask-image:var(--cx),var(--cy2);
  mask-image:var(--cx),var(--cy2);
  -webkit-mask-composite:source-in;
  mask-composite:intersect}
.b-lg .cell-img img{object-position:center}
.bento-cell figcaption{padding:16px 20px 20px;position:relative;margin-top:-26px}
.bento-cell figcaption b{display:block;font-family:var(--sans);font-weight:600;font-size:16px;margin-bottom:5px}
.bento-cell figcaption span{color:var(--ink-2);font-size:13.5px;line-height:1.6;display:block}

/* ── steps ───────────────────────────────────────────────── */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;counter-reset:s}
.step{padding:30px 26px;border:1px solid var(--line);border-radius:18px;background:var(--glass);position:relative;
  transition:transform .45s var(--ease),border-color .45s}
.step:hover{transform:translateY(-5px);border-color:rgba(139,124,246,.34)}
.step-n{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--cy)}
.step h3{font-size:18px;margin:14px 0 10px}
.step p{color:var(--ink-2);font-size:14.5px;margin:0}

/* ── AI-art sections: the raster is a light source, not a picture ── */
.sec-art{overflow:hidden}
.art-bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.art-bg img{
  position:absolute;left:-6%;top:50%;transform:translateY(-50%);
  width:min(760px,62vw);opacity:.55;
  mix-blend-mode:screen;                /* dark AI art adds light, never a box */
  -webkit-mask-image:radial-gradient(58% 58% at 50% 50%,#000 28%,transparent 78%);
  mask-image:radial-gradient(58% 58% at 50% 50%,#000 28%,transparent 78%);
}
.art-bg.right img{left:auto;right:-6%}
.art-inner{position:relative;z-index:1}
.sec-art.alt .sec-head{margin-left:auto;text-align:right}
.sec-art.alt .kicker{text-align:right}
.chips{display:flex;flex-wrap:wrap;gap:11px;margin-top:8px}
.chip{display:inline-flex;align-items:center;gap:9px;padding:9px 17px;border-radius:999px;
  border:1px solid var(--line);background:rgba(10,12,26,.6);font-size:14px;
  font-family:var(--mono);letter-spacing:.04em}
.chip i{width:8px;height:8px;border-radius:50%;background:var(--c,#fff);box-shadow:0 0 10px var(--c,#fff)}
.chip-ghost{color:var(--ink-3);border-style:dashed;font-family:var(--thai)}
.proof{display:flex;align-items:center;gap:20px;margin-top:32px;justify-content:flex-end}
.sec-art:not(.alt) .proof{justify-content:flex-start}
.proof-n{font-family:var(--sans);font-weight:800;font-size:clamp(44px,6vw,74px);line-height:1;
  background:linear-gradient(180deg,var(--cy),var(--vi));-webkit-background-clip:text;background-clip:text;color:transparent}
.proof-t b{display:block;font-size:16px;font-weight:600;font-family:var(--sans)}
.proof-t span{display:block;color:var(--ink-2);font-size:14px;max-width:430px}

/* ── features ────────────────────────────────────────────── */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:14px}
.feat{padding:24px 22px;border:1px solid var(--line);border-radius:16px;background:rgba(10,12,26,.42);
  transition:transform .4s var(--ease),border-color .4s,background .4s}
.feat:hover{transform:translateY(-4px);border-color:rgba(108,240,255,.3);background:rgba(14,17,36,.7)}
.feat b{display:block;font-family:var(--sans);font-weight:600;font-size:15.5px;margin-bottom:7px}
.feat span{color:var(--ink-2);font-size:13.5px;line-height:1.62;display:block}
.feat-tag{display:inline-block;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;
  color:var(--cy);text-transform:uppercase;margin-bottom:12px;opacity:.85}

/* ── encyclopedia ────────────────────────────────────────── */
.codex{border-top:1px solid var(--line)}
.cdx{border-bottom:1px solid var(--line)}
.cdx-btn{width:100%;display:flex;align-items:center;gap:18px;padding:24px 6px;background:none;border:0;
  cursor:pointer;color:var(--ink);text-align:left;font-family:inherit;transition:color .3s}
.cdx-btn:hover{color:var(--cy)}
.cdx-n{font-family:var(--mono);font-size:11px;color:var(--ink-3);letter-spacing:.14em;flex:none;width:34px}
.cdx-t{font-family:var(--sans);font-weight:600;font-size:clamp(16px,1.9vw,21px);flex:1 1 auto}
.cdx-x{flex:none;width:22px;height:22px;position:relative}
.cdx-x::before,.cdx-x::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;
  transition:transform .4s var(--ease)}
.cdx-x::before{width:14px;height:1.5px;margin:-.75px 0 0 -7px}
.cdx-x::after{width:1.5px;height:14px;margin:-7px 0 0 -.75px}
.cdx.open .cdx-x::after{transform:rotate(90deg) scaleX(0)}
.cdx-body{max-height:0;overflow:hidden;transition:max-height .55s var(--ease)}
.cdx-in{padding:0 6px 30px 58px;color:var(--ink-2);font-size:15px;max-width:900px}
.cdx-in p{margin:0 0 14px}
.cdx-in code{font-family:var(--mono);font-size:12.5px;color:var(--cy);background:rgba(108,240,255,.08);
  padding:2px 7px;border-radius:5px}
.cdx-in ul{margin:0;padding-left:18px}
.cdx-in li{margin-bottom:7px}

/* ── products ────────────────────────────────────────────── */
.filters{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px}
.fchip{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--ink-2);font-size:13px;cursor:pointer;transition:all .28s;font-family:inherit}
.fchip:hover{color:var(--ink);border-color:rgba(108,240,255,.35)}
.fchip.on{color:#04060e;background:var(--cy);border-color:transparent;font-weight:600}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:15px}
.prod{position:relative;padding:26px 24px 22px;border:1px solid var(--line);border-radius:18px;
  background:var(--glass);overflow:hidden;transition:transform .45s var(--ease),border-color .45s,box-shadow .45s}
.prod::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .45s;
  background:radial-gradient(80% 70% at 50% 0%,var(--tint,rgba(108,240,255,.14)),transparent 72%)}
.prod:hover{transform:translateY(-6px);border-color:rgba(108,240,255,.3);box-shadow:0 30px 60px -34px #000}
.prod:hover::before{opacity:1}
.prod-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;position:relative}
.prod-ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex:none;
  font-family:var(--sans);font-weight:800;font-size:15px;color:#04060e;background:var(--tint2,#6cf0ff)}
.prod-soon{font-family:var(--mono);font-size:9px;letter-spacing:.14em;padding:4px 9px;border-radius:999px;
  border:1px solid rgba(232,130,90,.4);color:var(--co);text-transform:uppercase;flex:none}
.prod h3{font-size:17px;margin:16px 0 8px;position:relative}
.prod p{color:var(--ink-2);font-size:13.5px;margin:0 0 16px;position:relative;min-height:60px}
.prod-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;position:relative}
.prod-cat{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:var(--ink-3);text-transform:uppercase}
.prod-price{font-family:var(--sans);font-weight:700;font-size:16px;color:var(--ink)}
.prod-price.free{color:var(--gr)}

/* ── CTA ─────────────────────────────────────────────────── */
.cta-card{position:relative;text-align:center;padding:clamp(44px,7vw,84px) clamp(24px,5vw,64px);
  border:1px solid var(--line);border-radius:28px;background:var(--glass);overflow:hidden}
.cta-glow{position:absolute;left:50%;top:-60%;width:90%;height:160%;transform:translateX(-50%);
  background:radial-gradient(50% 50% at 50% 50%,rgba(108,240,255,.18),transparent 70%);filter:blur(20px)}
.cta-card>*{position:relative}
.cta-card h2{font-size:clamp(24px,3.4vw,42px);max-width:760px;margin-inline:auto}
.cta-card p{color:var(--ink-2);max-width:600px;margin:20px auto 0}
.cta-card .hero-cta{margin-top:32px}
.fineprint{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--ink-3);margin-top:26px!important}

/* ── footer ──────────────────────────────────────────────── */
.foot{border-top:1px solid var(--line);padding:44px 0;margin-top:40px}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot-note{color:var(--ink-3);font-size:13px;margin:12px 0 0}
.foot-links{display:flex;gap:22px;font-size:13.5px;color:var(--ink-2)}
.foot-links a:hover{color:var(--cy)}

/* ── reveal ──────────────────────────────────────────────────
   Scoped to html.js on purpose. Hiding content by default and revealing it
   from script means ANY script failure — a blocked file, an unsupported
   IntersectionObserver, a crawler that runs no JS — serves a blank page.
   The class is added by site.js before anything else, so the hidden state
   only ever exists where there is code alive to undo it. */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.07s}.reveal[data-d="2"]{transition-delay:.14s}
.reveal[data-d="3"]{transition-delay:.21s}.reveal[data-d="4"]{transition-delay:.28s}
.reveal[data-d="5"]{transition-delay:.35s}.reveal[data-d="6"]{transition-delay:.42s}

@media (max-width:900px){
  .nav-links{display:none}
  .b-lg{grid-column:span 1;grid-row:span 1}
  .sec-art.alt .sec-head{text-align:left}
  .proof,.sec-art.alt .proof{justify-content:flex-start}
  .art-bg img{opacity:.3;width:120vw;left:-20%}
  .cdx-in{padding-left:6px}
}
@media (prefers-reduced-motion:reduce){
  /* DELAY has to go too, not just duration. Zeroing only the duration still
     left every staggered element sitting at opacity 0 for up to 0.42s — so a
     reader who asked for less motion got a page that appeared in pieces, and
     any renderer that samples early captured it half-empty. */
  *{animation-duration:.01ms!important;animation-delay:0s!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;transition-delay:0s!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1!important;transform:none!important}
}