:root{ --bg:#08090a; --ink:#f4f2ed; --dek:#9a948a; --teal:#1fd3a3; --btn:#a78bfa; --btn-lt:#ece7ff; }
  *{margin:0;padding:0;box-sizing:border-box}
  html,body{margin:0;padding:0}
  html{overflow:hidden;scroll-snap-type:y mandatory;scroll-behavior:smooth}   /* JS enables scroll once the intro completes; snap slide-to-slide */
  body{background:var(--bg);color:var(--ink)}
  canvas#c{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}

  .layer{position:fixed;inset:0;pointer-events:none;z-index:2}
  .brand{position:fixed;top:34px;left:44px;z-index:6;font-family:"Inter",system-ui,sans-serif;
    font-weight:600;font-size:21px;letter-spacing:.32em;color:var(--ink);text-transform:uppercase;opacity:.95}
  .brand .t{color:var(--teal)}
  .nav{position:fixed;top:40px;right:44px;z-index:6;display:flex;align-items:center;gap:30px;
    font-family:"Satoshi",sans-serif;font-size:12.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase}
  .nav a{color:var(--dek);text-decoration:none;transition:color .25s}
  .nav a:hover{color:var(--teal)}
  .nav .login{position:relative;isolation:isolate;color:var(--teal);border:1px solid rgba(31,211,163,.4);border-radius:100px;padding:6px 16px;transition:color .25s,background .25s}
  .nav .login:hover{background:var(--teal);color:#08090a;border-color:var(--teal)}
  .nav .login .beam{position:absolute;inset:0;border-radius:100px;z-index:-1;pointer-events:none;padding:1.6px;
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
    mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
    filter:drop-shadow(0 0 4px rgba(31,211,163,.85))}
  .nav .login .beam::before{content:"";position:absolute;inset:-90%;
    background:conic-gradient(transparent 0 70%, rgba(31,211,163,.18) 76%, #1fd3a3 86%, #d6fff5 90%, transparent 95%);
    animation:beamspin 2.6s linear infinite}
  @keyframes beamspin{to{transform:rotate(360deg)}}
  @media(max-width:900px){ .nav{gap:20px;font-size:11px} }
  @media(max-width:680px){ .nav{display:none} }
  .cap{position:absolute;left:44px;bottom:40px;max-width:30ch}
  .cap .ey{font-family:"Satoshi",sans-serif;text-transform:uppercase;letter-spacing:.22em;
    font-size:10.5px;font-weight:600;color:var(--teal);opacity:.9}
  .cap .ln{font-family:"Satoshi",sans-serif;font-style:normal;font-weight:400;
    font-size:clamp(19px,2.4vw,27px);color:var(--ink);line-height:1.28;margin-top:12px;opacity:.94}
  .cap .sub{font-family:"Satoshi",sans-serif;font-size:12px;color:var(--dek);margin-top:14px;letter-spacing:.02em}

  .begin{position:absolute;left:50%;transform:translateX(-50%);bottom:34px;pointer-events:auto;cursor:pointer;
    font-family:"Satoshi",sans-serif;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--dek);opacity:.7}
  .begin .ar{display:block;text-align:center;margin-top:8px;font-size:15px;animation:bob 1.8s ease-in-out infinite}
  @keyframes bob{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(5px);opacity:1}}

  /* slide 2: the statement of what Stelia applies its AI to (typewriter). A real snap slide. */
  .s-solve{position:relative;min-height:100vh;background:var(--bg);display:flex;flex-direction:column;
    align-items:center;justify-content:center;text-align:center;padding:0 7vw;scroll-snap-align:start;overflow:hidden}
  .stmt{font-family:"Satoshi",sans-serif;font-weight:400;letter-spacing:normal;
    font-size:clamp(34px,5vw,62px);line-height:1.08}
  .stmt .lead{display:block;color:var(--ink)}
  .stmt .w{display:block;margin-top:.3em;color:var(--teal);text-shadow:0 0 36px rgba(31,211,163,.42);min-height:1.05em}
  .stmt .w::after{content:"";display:inline-block;width:3px;height:.92em;background:var(--teal);
    margin-left:7px;vertical-align:-.06em;animation:blink 1.05s steps(1) infinite}
  @keyframes blink{50%{opacity:0}}

  .cue{position:fixed;left:50%;transform:translateX(-50%);bottom:34px;z-index:4;pointer-events:none;opacity:0;cursor:pointer;
    font-family:"Satoshi",sans-serif;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--dek)}
  .cue:hover{color:var(--teal)}
  .cue .ar{display:block;text-align:center;margin-top:8px;font-size:16px;animation:bob 1.8s ease-in-out infinite}

  /* next scroll section: two columns, generous negative space */
  #page{position:relative;z-index:1}
  .spacer{height:100vh;scroll-snap-align:start}
  .s-next{position:relative;min-height:100vh;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:16vh 5vw;scroll-snap-align:start}
  .sc-cue{position:absolute;left:50%;bottom:4.5vh;transform:translateX(-50%);z-index:3;background:none;border:none;cursor:pointer;
    font-family:"Satoshi",sans-serif;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--dek);transition:color .25s}
  .sc-cue:hover{color:var(--teal)}
  .sc-cue .ar{display:block;text-align:center;margin-top:8px;font-size:16px;animation:bob 1.8s ease-in-out infinite}
  .s-next .inner{width:100%;max-width:1660px;opacity:0;transform:translateY(26px);transition:opacity 1s ease,transform 1s ease}
  .s-next.vis .inner{opacity:1;transform:none}
  .s-title{font-family:"Satoshi",sans-serif;font-weight:400;letter-spacing:normal;text-align:left;
    font-size:clamp(34px,5vw,62px);line-height:1.08;color:var(--ink);margin:0 0 6vh}
  /* shooting-star underline: a comet sweeps L->R once, drawing a teal underline of the title */
  .s-title .ttl{position:relative;display:inline-block}
  .s-title .ul{position:absolute;left:0;right:0;bottom:-.16em;height:2px;pointer-events:none}
  .s-title .ul i{position:absolute;display:block}
  .s-title .ul .line{inset:0;transform:scaleX(0);transform-origin:left;border-radius:2px;opacity:1;
    background:linear-gradient(90deg,rgba(31,211,163,.18),var(--teal))}
  .s-title .ul .star{top:50%;left:0;width:11px;height:11px;margin:-5.5px 0 0 -5.5px;border-radius:50%;
    background:radial-gradient(circle,#eafffb 0%,var(--teal) 42%,rgba(31,211,163,0) 72%);
    box-shadow:0 0 10px 2px rgba(31,211,163,.8);opacity:0;transform:scale(.5)}
  .s-next.vis .s-title .ul .line{animation:ulDraw 1.9s cubic-bezier(.4,0,.15,1) .35s forwards}
  .s-next.vis .s-title .ul .star{animation:ulStar 1.9s cubic-bezier(.4,0,.15,1) .35s forwards}
  /* comet draws the underline, then both fade out */
  @keyframes ulDraw{0%{transform:scaleX(0);opacity:1}68%{transform:scaleX(1);opacity:1}100%{transform:scaleX(1);opacity:0}}
  @keyframes ulStar{0%{left:0;opacity:0;transform:scale(.55)}8%{opacity:1}
    68%{left:100%;opacity:1;transform:scale(1.15)}100%{left:100%;opacity:0;transform:scale(1.35)}}
  @media(prefers-reduced-motion:reduce){ .s-title .ul{display:none} }
  .s-next .cols{width:100%;display:grid;grid-template-columns:1fr 1fr 1fr;gap:78px;align-items:start}
  .s-next .lead2{font-family:"Satoshi",sans-serif;font-style:normal;font-weight:400;font-size:clamp(21px,2.2vw,30px);
    line-height:1.3;color:var(--ink)}
  .s-next .lead2 .accent{color:var(--teal)}
  .s-next p{font-family:"Satoshi",sans-serif;font-weight:400;letter-spacing:normal;font-size:clamp(15px,1.15vw,17.5px);
    line-height:1.55;color:#d6d1c6;margin-top:20px}
  .s-next .col>*:first-child{margin-top:0}
  @media(max-width:1240px){ .s-next .cols{grid-template-columns:1fr 1fr} .s-next{padding:16vh 8vw} }
  @media(max-width:820px){ .s-next .cols{grid-template-columns:1fr;gap:34px} .s-next{padding:13vh 8vw} .s-title{margin-bottom:5vh} }

  /* slide 4: Crucible - header stays above, cards scroll horizontally below */
  .s-cru{position:relative;min-height:100vh;background:var(--bg);z-index:1;display:flex;flex-direction:column;justify-content:center;padding:12vh 0 5vh;scroll-snap-align:start}
  .cru-header{padding:0 6vw;display:grid;grid-template-columns:auto 1fr;gap:6vw;align-items:end;margin-bottom:4vh}
  .cru-header .vk{font-family:"Satoshi",sans-serif;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:500}
  .cru-header h2{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(40px,5.4vw,74px);line-height:.95;letter-spacing:-.02em;color:var(--ink);margin:.22em 0 .18em}
  .cru-header .sub{font-family:"Satoshi",sans-serif;font-size:clamp(14px,1.1vw,17px);color:var(--dek);letter-spacing:.02em}
  .cru-header p{font-family:"Satoshi",sans-serif;font-weight:400;font-size:clamp(13.5px,1vw,15.5px);line-height:1.58;color:#d6d1c6;max-width:64ch}
  .cru-header .nb{margin-top:.8em}
  .cru-header .nb b{color:var(--teal);font-weight:500}
  .cru-strip{display:flex;gap:28px;overflow-x:auto;overflow-y:hidden;padding:5vh 6vw 14px;scroll-snap-type:none;
    scrollbar-width:none;scrollbar-color:#33302a transparent;cursor:grab}
  .cru-strip::-webkit-scrollbar{display:none}
  .cru-strip.drag{cursor:grabbing}
  .cru-strip::-webkit-scrollbar{height:6px}
  .cru-strip::-webkit-scrollbar-thumb{background:#33302a;border-radius:3px}
  .cru-strip::-webkit-scrollbar-track{background:transparent}
  .cru-card{flex:0 0 clamp(270px,23.4vw,360px);scroll-snap-align:start;display:flex;flex-direction:column}
  .cru-card .cru-img{aspect-ratio:16/15;border:1px solid var(--rule);border-radius:14px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(180deg,#0e0f11,#0a0b0c);overflow:hidden;margin-bottom:20px}
  .cru-card .cru-img img{width:100%;height:100%;object-fit:cover;display:block}
  .cru-card .cru-img .ph{font-family:"Satoshi",sans-serif;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#443f36}
  .cru-card .vk{font-family:"Satoshi",sans-serif;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);font-weight:500}
  .cru-card h3{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(21px,1.7vw,26px);line-height:1.12;letter-spacing:-.015em;color:var(--ink);margin:.55em 0 .5em}
  .cru-card p{font-family:"Satoshi",sans-serif;font-weight:400;font-size:14.5px;line-height:1.55;color:#cfcabf}
  .cru-nav{display:flex;align-items:center;gap:16px;padding:4vh 6vw 0}
  .cru-arrow{width:44px;height:44px;border:1px solid var(--rule);border-radius:50%;background:transparent;color:var(--ink);
    font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .2s,color .2s}
  .cru-arrow:hover{border-color:var(--teal);color:var(--teal)}
  .cru-nav .hint{font-family:"Satoshi",sans-serif;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--dek)}
  @media(max-width:820px){ .cru-header{grid-template-columns:1fr;gap:2.5vh;margin-bottom:4vh} .cru-card{flex-basis:78vw} .s-cru{padding-top:14vh} }

  /* slide 5: Continuum intro - a WHITE slide that AUTO-PLAYS on arrival: bold lines about using
     Continuum auto-scroll (bunched, Hut8-style focus + fade), land on a smaller "Continuum" centred
     alone, which glows + throbs for 2s, then JS auto-advances to the video slide. */
  .s-cintro{position:relative;height:100vh;background:#f6f5f1;overflow:hidden;scroll-snap-align:start}
  .cintro-stage{position:absolute;inset:0;overflow:hidden}
  .cintro-stream{position:absolute;left:0;right:0;top:0;will-change:transform;text-align:center}
  .ci-line{font-family:"Satoshi",sans-serif;font-weight:700;letter-spacing:-.02em;
    font-size:clamp(28px,4.3vw,58px);line-height:1.06;color:#4a4945;padding:.13em 6vw;opacity:0;
    transform-origin:center;will-change:opacity,transform}
  /* green title: a centred overlay that fades in from behind (blur->sharp) as the black falls away */
  .ci-final{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.9);z-index:2;
    font-family:"Satoshi",sans-serif;font-weight:700;letter-spacing:-.03em;font-size:clamp(28px,5vw,72px);
    line-height:1;color:#0aa17c;white-space:nowrap;text-align:center;opacity:0;pointer-events:none;
    will-change:opacity,transform,filter}
  /* keep the wordmark + nav readable while the page is white */
  .brand{transition:color .45s ease}
  body.on-light .brand{color:#0b0c0d}
  body.on-light .nav a{color:#6b665c}
  body.on-light .nav a:hover{color:#0aa17c}
  body.on-light .nav .login{color:#0aa17c;border-color:rgba(15,158,120,.45)}
  body.on-light .nav .login:hover{background:#0aa17c;color:#f6f5f1;border-color:#0aa17c}

  /* slide 6: Continuum - full-screen background video with a solid black banner (25vh) at the
     bottom holding the content. Drop a real clip into <source>; the gradient shows until it loads. */
  .s-cvid{position:relative;height:100vh;background:#000;overflow:hidden;scroll-snap-align:start}
  .cvid-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
    background:radial-gradient(120% 120% at 62% 32%,#0f4a3e 0%,#0a2b25 40%,#050807 74%)}
  .cvid-ph{position:absolute;inset:0 0 25vh 0;z-index:0;display:flex;align-items:center;justify-content:center;
    font-family:"Satoshi",sans-serif;font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.14)}
  /* dark overlay so the video sits behind a darker hue */
  .cvid-tint{position:absolute;inset:0;z-index:1;pointer-events:none;
    background:linear-gradient(180deg,rgba(4,6,5,.66) 0%,rgba(4,6,5,.76) 55%,rgba(4,6,5,.88) 100%)}
  .cvid-fade{position:absolute;left:0;right:0;bottom:25vh;height:20vh;z-index:1;pointer-events:none;
    background:linear-gradient(180deg,rgba(0,0,0,0),#000)}
  .cvid-banner{position:absolute;left:0;right:0;bottom:0;height:25vh;z-index:2;background:#000;
    display:flex;align-items:center;padding:0 6vw}
  .cvid-banner .bn{width:100%;max-width:1500px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;gap:6vw;align-items:center}
  .cvid-banner .vk{font-family:"Satoshi",sans-serif;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:500}
  .cvid-banner h2{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(30px,3.4vw,52px);line-height:1;letter-spacing:-.02em;color:var(--ink);margin:.16em 0 0}
  .cvid-banner p{font-family:"Satoshi",sans-serif;font-weight:400;font-size:clamp(14px,1.05vw,16.5px);line-height:1.5;color:#cfcabf;max-width:56ch}
  /* CTA matches the nav "Log in" button: teal pill with the animated beam border */
  .cvid-banner .cta{justify-self:end;position:relative;isolation:isolate;font-family:"Satoshi",sans-serif;font-weight:500;
    font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--btn);text-decoration:none;white-space:nowrap;
    border:1px solid rgba(167,139,250,.42);border-radius:100px;padding:8px 18px;transition:color .25s,background .25s}
  .cvid-banner .cta:hover{background:var(--btn);color:#08090a;border-color:var(--btn)}
  .cvid-banner .cta .beam{position:absolute;inset:0;border-radius:100px;z-index:-1;pointer-events:none;padding:1.6px;
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
    mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
    filter:drop-shadow(0 0 4px rgba(167,139,250,.85))}
  .cvid-banner .cta .beam::before{content:"";position:absolute;inset:-90%;
    background:conic-gradient(transparent 0 70%, rgba(167,139,250,.18) 76%, var(--btn) 86%, var(--btn-lt) 90%, transparent 95%);
    animation:beamspin 2.6s linear infinite}
  @media(max-width:820px){
    .cvid-banner{height:34vh} .cvid-banner .bn{grid-template-columns:1fr;gap:1.6vh}
    .cvid-banner p{display:none} .cvid-banner .cta{justify-self:start}
    .cvid-ph{inset:0 0 34vh 0} .cvid-fade{bottom:34vh}
  }

  /* slide 7: Continuum - title + paragraph, then 3 columns on the complex target markets Continuum
     is enabling (each a market title + how Continuum enables it). */
  .s-engine{position:relative;min-height:100vh;background:var(--bg);display:flex;align-items:center;padding:12vh 6vw;scroll-snap-align:start;overflow:hidden}
  .cx-wrap{position:relative;z-index:1;width:100%;max-width:1500px;margin:0 auto;opacity:0;transform:translateY(26px);transition:opacity 1s ease,transform 1s ease}
  .s-engine.vis .cx-wrap{opacity:1;transform:none}
  /* a smaller version of the hero orb, faded into the space right of the title (roams + morphs) */
  /* header row: title (left) + the intro paragraph as its own column (right); negative space below */
  .cx-head{display:grid;grid-template-columns:1.15fr .85fr;column-gap:6vw;row-gap:14px;align-items:start;margin:0 0 15vh}
  .cx-head .vk{grid-column:1;grid-row:1;font-family:"Satoshi",sans-serif;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:500}
  .cx-head .hd-title{grid-column:1;grid-row:2}
  .cx-head h2{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(34px,4.4vw,60px);line-height:1.04;letter-spacing:-.02em;color:var(--ink);margin:0;max-width:16ch}
  .cx-head h2 .accent{color:var(--teal)}
  /* paragraph shares row 2 with the h2 (eyebrow is row 1) so its top lines up with "Continuum enables" */
  .cx-head .hd-para{grid-column:2;grid-row:2;font-family:"Satoshi",sans-serif;font-weight:400;font-size:clamp(16px,1.3vw,18.5px);line-height:1.5;color:#d6d1c6;max-width:52ch;margin:0}
  .cx-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:4vw}
  .cx-col{position:relative;padding-top:22px}
  .cx-col h3{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(19px,1.7vw,25px);line-height:1.1;letter-spacing:-.01em;color:var(--ink);margin:0 0 .6em}
  .cx-col p{font-family:"Satoshi",sans-serif;font-weight:400;font-size:clamp(14px,1.05vw,16px);line-height:1.55;color:#cfcabf}
  /* each column's top rule is DRAWN by a shooting star (comet) L->R, the three staggered one after another */
  .cx-rule{position:absolute;top:0;left:0;right:0;height:1px;pointer-events:none}
  .cx-rule i{position:absolute;display:block}
  .cx-rule .line{inset:0;transform:scaleX(0);transform-origin:left;border-radius:1px;
    background:linear-gradient(90deg,rgba(255,255,255,.06),rgba(255,255,255,.34))}
  .cx-rule .star{top:50%;left:0;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;
    background:radial-gradient(circle,#eafffb 0%,var(--teal) 45%,rgba(31,211,163,0) 72%);
    box-shadow:0 0 10px 2px rgba(31,211,163,.75);opacity:0;transform:scale(.5)}
  .s-engine.vis .cx-col:nth-child(1) .line{animation:cxDraw 1.15s cubic-bezier(.4,0,.15,1) .25s forwards}
  .s-engine.vis .cx-col:nth-child(1) .star{animation:cxStar 1.15s cubic-bezier(.4,0,.15,1) .25s forwards}
  .s-engine.vis .cx-col:nth-child(2) .line{animation:cxDraw 1.15s cubic-bezier(.4,0,.15,1) 1.05s forwards}
  .s-engine.vis .cx-col:nth-child(2) .star{animation:cxStar 1.15s cubic-bezier(.4,0,.15,1) 1.05s forwards}
  .s-engine.vis .cx-col:nth-child(3) .line{animation:cxDraw 1.15s cubic-bezier(.4,0,.15,1) 1.85s forwards}
  .s-engine.vis .cx-col:nth-child(3) .star{animation:cxStar 1.15s cubic-bezier(.4,0,.15,1) 1.85s forwards}
  @keyframes cxDraw{from{transform:scaleX(0)}to{transform:scaleX(1)}}
  @keyframes cxStar{0%{left:0;opacity:0;transform:scale(.5)}9%{opacity:1}90%{left:100%;opacity:1;transform:scale(1.1)}100%{left:100%;opacity:0;transform:scale(1.2)}}
  /* "Launch Crucible" / "Train Continuum" CTA: same pill + animated beam border as the nav "Log in" */
  .launch-cta{position:relative;isolation:isolate;display:inline-block;margin-top:2.8vh;
    font-family:"Satoshi",sans-serif;font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
    color:var(--btn);text-decoration:none;white-space:nowrap;border:1px solid rgba(167,139,250,.42);border-radius:100px;
    padding:10px 24px;transition:color .25s,background .25s}
  .launch-cta:hover{background:var(--btn);color:#08090a;border-color:var(--btn)}
  .launch-cta .beam{position:absolute;inset:0;border-radius:100px;z-index:-1;pointer-events:none;padding:1.6px;
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
    mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
    filter:drop-shadow(0 0 4px rgba(167,139,250,.85))}
  .launch-cta .beam::before{content:"";position:absolute;inset:-90%;
    background:conic-gradient(transparent 0 70%, rgba(167,139,250,.18) 76%, var(--btn) 86%, var(--btn-lt) 90%, transparent 95%);
    animation:beamspin 2.6s linear infinite}
  @media(prefers-reduced-motion:reduce){ .cx-rule .line{transform:scaleX(1);animation:none} .cx-rule .star{display:none} }
  @media(max-width:900px){ .cx-head{grid-template-columns:1fr;row-gap:2.4vh;margin-bottom:6vh} .cx-head .vk,.cx-head .hd-title,.cx-head .hd-para{grid-column:1;grid-row:auto} .cx-cols{grid-template-columns:1fr;gap:0} .cx-col{padding:20px 0} }

  /* slide 8: footer - one large-font column on the left + three small-font columns (4/6/9 items)
     on the right, over black, with the giant striped STELIA motif bleeding off the bottom (teal on black). */
  .s-footer{position:relative;background:var(--bg);display:flex;flex-direction:column;justify-content:center;min-height:100vh;padding:12vh 6vw 12vh;scroll-snap-align:end}
  .ft-menu{position:relative;z-index:2;width:100%;display:flex;justify-content:space-between;gap:6vw;flex-wrap:wrap}
  .ft-col .lbl{font-family:"Satoshi",sans-serif;font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--dek);margin-bottom:24px}
  .ft-left .big{display:flex;flex-direction:column;gap:14px}
  .ft-left .big a{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(26px,2.4vw,34px);line-height:1.02;letter-spacing:-.01em;color:var(--ink);text-decoration:none;transition:color .2s;width:fit-content}
  .ft-left .big a:hover{color:var(--teal)}
  .ft-right{display:flex;gap:5vw;flex-wrap:wrap}
  .ft-right .small{display:flex;flex-direction:column;gap:13px}
  .ft-right .small a{font-family:"Satoshi",sans-serif;font-weight:500;font-size:15px;line-height:1.2;color:#cfc9bd;text-decoration:none;transition:color .2s;width:fit-content}
  .ft-right .small a:hover{color:var(--teal)}
  .ft-legal{position:relative;z-index:2;width:100%;margin:5vh 0 0;display:flex;justify-content:space-between;gap:3vw;
    font-family:"Satoshi",sans-serif;font-size:12px;color:var(--dek);letter-spacing:.02em}
  .ft-legal a{color:var(--dek);text-decoration:none;transition:color .2s}
  .ft-legal a:hover{color:var(--teal)}
  /* full-width green bars across the band; the STELIA wordmark is the INVERSE stripe (black bars /
     teal gaps) so the stripe lines run through the letters too, hut8-style, not a solid silhouette */
  /* ONE animated var --sh drives BOTH the bar background-position AND the letter mask-position (span
     inherits it), so they can never desync: the stripes flow upward, looping seamlessly every 22px. */
  @property --sh{syntax:'<length>';inherits:true;initial-value:0px}
  .ft-motif{position:absolute;left:0;right:0;bottom:0;height:min(40vh,340px);overflow:hidden;pointer-events:none;z-index:1;
    display:flex;align-items:flex-start;justify-content:center;--sh:0px;
    background:repeating-linear-gradient(180deg,var(--teal) 0 16px,var(--bg) 16px 22px);
    background-position:0 var(--sh)}
  /* the flow animation (an @property --sh length driving a mask over a 460px glyph) is expensive
     in Safari and only runs while the footer is actually on screen - JS toggles .flow via IO. */
  .ft-motif.flow{animation:ftFlow 3.4s linear infinite}
  /* wordmark = solid black, MASKED to the lower part of each 22px row (aligned to the band) so a neat
     green line always survives at the top of every row full width, and the letters hang beneath as black bulges. */
  .ft-motif span{font-family:"Satoshi",sans-serif;font-weight:900;font-size:min(31vw,460px);line-height:.8;letter-spacing:-.04em;
    white-space:nowrap;color:var(--bg);
    -webkit-mask:repeating-linear-gradient(180deg,transparent 0 9px,#000 9px 22px);
    mask:repeating-linear-gradient(180deg,transparent 0 9px,#000 9px 22px);
    -webkit-mask-position:0 var(--sh);mask-position:0 var(--sh)}
  @keyframes ftFlow{to{--sh:22px}}
  @media(prefers-reduced-motion:reduce){ .ft-motif.flow{animation:none} }
  @media(max-width:900px){ .ft-menu{flex-direction:column;gap:5vh} .ft-right{gap:9vw} .ft-motif span{font-size:46vw} .ft-legal{flex-direction:column;gap:1vh} }

  @media(max-width:640px){ .brand{top:24px;left:26px;font-size:21px} .cap{left:26px;bottom:34px} }

  /* ---- full-width mega menu (OpenAI-style dropdown) ---- */
  .nav a.on{color:var(--ink)}
  .mega{position:fixed;top:0;left:0;right:0;z-index:5;
    background:rgba(9,10,11,.86);backdrop-filter:blur(20px) saturate(125%);-webkit-backdrop-filter:blur(20px) saturate(125%);
    border-bottom:1px solid rgba(255,255,255,.08);
    padding:104px 44px 56px;
    opacity:0;visibility:hidden;transform:translateY(-16px);
    transition:opacity .34s ease,transform .38s cubic-bezier(.4,0,.15,1),visibility 0s .38s}
  .mega.open{opacity:1;visibility:visible;transform:none;
    transition:opacity .34s ease,transform .38s cubic-bezier(.4,0,.15,1),visibility 0s}
  .mega-inner{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:64px;max-width:1660px;margin:0 auto;
    opacity:0;transform:translateY(10px);transition:opacity .42s ease .05s,transform .42s ease .05s}
  .mega.open .mega-inner{opacity:1;transform:none}
  .mega-col{flex:0 0 auto;min-width:160px}
  .mega-col .lbl{font-family:"Satoshi",sans-serif;font-size:11px;font-weight:600;letter-spacing:.2em;
    text-transform:uppercase;color:var(--dek);margin-bottom:24px}
  .mega-col .big{display:flex;flex-direction:column;gap:15px}
  .mega-col .big a{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(26px,2.4vw,34px);
    line-height:1.02;letter-spacing:-.01em;color:var(--ink);text-decoration:none;transition:color .2s;
    display:inline-flex;align-items:center;gap:.3em;width:fit-content}
  .mega-col .small{display:flex;flex-direction:column;gap:16px}
  .mega-col .small a{font-family:"Satoshi",sans-serif;font-weight:500;font-size:15px;line-height:1.2;
    color:#cfc9bd;text-decoration:none;transition:color .2s;display:inline-flex;align-items:center;gap:.4em;width:fit-content}
  .mega-col a .ar{color:var(--dek);transition:color .2s,transform .2s}
  .mega-col .big a .ar{font-size:.6em}
  .mega-col .small a .ar{font-size:.82em}
  .mega-col a:hover{color:var(--teal)}
  .mega-col a:hover .ar{color:var(--teal);transform:translate(2px,-2px)}
  @media(prefers-reduced-motion:reduce){ .mega,.mega-inner{transition:opacity .2s ease} .mega,.mega.open{transform:none} }
  @media(max-width:900px){ .mega{padding:96px 26px 44px} .mega-inner{gap:40px} }
  @media(max-width:680px){ .mega{display:none} }

  /* ---- Stelia Workspace flagship slide (home) ---- */
  .s-next .rvw{width:100%;max-width:1180px;margin:0 auto;text-align:center}
  .rvw .vk{font-family:"Satoshi",sans-serif;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:500;margin-bottom:22px}
  .rvw-h{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(42px,6.4vw,94px);line-height:1.0;letter-spacing:-.035em;color:var(--ink)}
  .rvw-h .accent{color:var(--teal)}
  .rvw-sub{font-family:"Satoshi",sans-serif;font-weight:400;font-size:clamp(17px,1.6vw,23px);line-height:1.5;color:var(--dek);max-width:62ch;margin:26px auto 0}
  .rvw .launch-cta{margin-top:42px}
  /* ---- Stelia Workspace demo slide (home) ---- */
  .s-demo{position:relative;min-height:100vh;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12vh 5vw 10vh;scroll-snap-align:start;overflow:hidden}
  .s-demo .inner{width:100%;max-width:1280px;opacity:0;transform:translateY(26px);transition:opacity 1s ease,transform 1s ease}
  .s-demo.vis .inner{opacity:1;transform:none}
  .demo-head{text-align:center;margin-bottom:4vh}
  .demo-head .vk{font-family:"Satoshi",sans-serif;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:500;margin-bottom:12px}
  .demo-h{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(26px,3.4vw,44px);letter-spacing:-.02em;color:var(--ink)}
  .demo-win{width:100%;border:1px solid rgba(255,255,255,.10);border-radius:16px;background:#0c0d0e;overflow:hidden;box-shadow:0 40px 120px -30px rgba(0,0,0,.8)}
  .dw-bar{display:flex;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.07);background:#0e0f11}
  .dw-dots{display:flex;gap:6px}.dw-dots i{width:10px;height:10px;border-radius:50%;background:#2b2e31;display:block}
  .dw-title{font-family:"Satoshi",sans-serif;font-weight:600;font-size:13px;color:var(--ink)}
  .dw-right{margin-left:auto;display:flex;align-items:center;gap:10px}
  .dw-model{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11.5px;color:var(--ink);background:#17191b;border:1px solid rgba(255,255,255,.12);border-radius:100px;padding:5px 12px}
  .dw-model::after{content:" \25be";color:var(--dek)}
  .dw-badge{font-family:"Satoshi",sans-serif;font-size:11px;color:var(--teal);background:rgba(31,211,163,.10);border:1px solid rgba(31,211,163,.3);border-radius:100px;padding:5px 12px}
  .dw-body{display:grid;grid-template-columns:200px 1fr 244px;min-height:clamp(350px,48vh,480px)}
  .dw-side{border-right:1px solid rgba(255,255,255,.07);padding:16px 12px;background:#0b0c0d}
  .dw-new{font-family:"Satoshi",sans-serif;font-size:13px;font-weight:600;color:#052e24;background:var(--teal);border-radius:9px;padding:8px 12px;text-align:center;margin-bottom:14px}
  .dw-item{font-family:"Satoshi",sans-serif;font-size:13.5px;color:var(--dek);padding:8px 10px;border-radius:8px}
  .dw-item.on{color:var(--ink);background:#17191b}
  .dw-sec{font-family:"Satoshi",sans-serif;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#5c5850;margin:16px 0 6px 10px}
  .dw-ws{font-family:"Satoshi",sans-serif;font-size:13px;color:var(--dek);padding:6px 10px}
  .dw-main{padding:22px 26px;display:flex;flex-direction:column;gap:14px}
  .dw-msg{font-family:"Satoshi",sans-serif;line-height:1.5}
  .dw-user{align-self:flex-end;background:#17191b;border:1px solid rgba(255,255,255,.08);border-radius:14px 14px 4px 14px;padding:11px 15px;font-size:14.5px;color:var(--ink);max-width:80%}
  .dw-meta{display:flex;align-items:center;gap:8px;font-family:"Satoshi",sans-serif;font-size:12px;color:var(--dek)}
  .dw-dot{width:7px;height:7px;border-radius:50%;background:var(--teal);animation:dwPulse 1.2s ease-in-out infinite}
  @keyframes dwPulse{0%,100%{opacity:.3}50%{opacity:1}}
  .dw-ai{font-size:15px;color:var(--ink);align-self:flex-start;max-width:90%}
  .dw-caret{display:inline-block;width:8px;height:1.05em;background:var(--teal);vertical-align:-2px;margin-left:2px;animation:dwCaret 1s step-end infinite}
  @keyframes dwCaret{50%{opacity:0}}
  .dw-chip{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11.5px;color:var(--teal);background:rgba(31,211,163,.08);border:1px solid rgba(31,211,163,.22);border-radius:8px;padding:7px 11px;align-self:flex-start;opacity:0;transition:opacity .4s}
  .dw-chip.show{opacity:1}
  .dw-input{display:flex;align-items:center;gap:10px;border-top:1px solid rgba(255,255,255,.07);padding:13px 18px;background:#0e0f11}
  .dw-inph{font-family:"Satoshi",sans-serif;font-size:14px;color:#5c5850}
  .dw-send{margin-left:auto;width:30px;height:30px;border-radius:8px;background:var(--btn);color:#120a26;display:flex;align-items:center;justify-content:center;font-weight:700}
  /* ---- Stelia Workspace full-screen image slide (home) ---- */
  .s-shot{position:relative;height:100vh;background:#0b0c0d;overflow:hidden;scroll-snap-align:start;display:flex;align-items:center;justify-content:center;text-align:center}
  .shot-ph{position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(255,255,255,.02) 0 16px,transparent 16px 32px),radial-gradient(120% 120% at 50% 38%,#16181a,#0b0c0d)}
  .s-shot .shot-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 58%;z-index:0;filter:brightness(1.85) contrast(1.06) saturate(1.08)}
  .shot-corner{position:absolute;top:24px;right:26px;font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11px;letter-spacing:.08em;color:#5c5f62;border:1px solid rgba(255,255,255,.12);border-radius:100px;padding:6px 13px}
  .shot-hint{position:absolute;left:26px;bottom:24px;max-width:46ch;z-index:3;font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11px;line-height:1.55;letter-spacing:.02em;color:#6a6d70}
  .shot-tint{position:absolute;inset:0;background:radial-gradient(90% 75% at 50% 46%,rgba(0,0,0,.6),rgba(0,0,0,.45) 60%,rgba(0,0,0,.4)),linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,.5) 50%,rgba(0,0,0,.65))}
  .shot-cap{position:relative;z-index:2;max-width:1100px;padding:0 6vw;opacity:0;transform:translateY(22px);transition:opacity 1s ease,transform 1s ease}
  .s-shot.vis .shot-cap{opacity:1;transform:none}
  .shot-cap .vk{font-family:"Satoshi",sans-serif;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);font-weight:500;margin-bottom:16px}
  .shot-h{font-family:"Satoshi",sans-serif;font-weight:500;font-size:clamp(25px,3vw,44px);letter-spacing:-.02em;line-height:1.12;color:var(--ink);max-width:20ch;margin:0 auto}
  .shot-sub{font-family:"Satoshi",sans-serif;font-weight:400;font-size:clamp(14px,1.2vw,18px);line-height:1.5;color:var(--dek);max-width:52ch;margin:20px auto 0}
  /* demo foundry flow */
  .dw-steps{display:flex;align-items:center;gap:10px;margin-bottom:22px;flex-wrap:wrap}
  .dw-step{display:flex;align-items:center;gap:8px;font-family:"Satoshi",sans-serif;font-size:13px;color:var(--dek);transition:color .3s}
  .dw-step .dw-num{width:20px;height:20px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:11px;transition:.3s}
  .dw-step.on{color:var(--ink)} .dw-step.on .dw-num{background:var(--teal);color:#052e24;border-color:var(--teal)}
  .dw-arrowh{color:#3a3d40;font-size:13px}
  .dw-stage2{position:relative;min-height:clamp(210px,30vh,270px)}
  .dw-panel{position:absolute;inset:0;opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease;pointer-events:none}
  .dw-panel.on{opacity:1;transform:none;pointer-events:auto}
  .dw-cap{font-family:"Satoshi",sans-serif;font-size:15px;color:var(--ink);margin-bottom:18px;max-width:54ch;line-height:1.45}
  .dw-srcs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
  .dw-src{display:flex;align-items:center;gap:8px;font-family:"Satoshi",sans-serif;font-size:13px;color:var(--dek);background:#141618;border:1px solid rgba(255,255,255,.09);border-radius:9px;padding:9px 13px}
  .dw-src i{width:8px;height:8px;border-radius:50%;background:#3a3d40;transition:background .35s ease}
  .dw-panel[data-s="1"].on .dw-src i{background:var(--teal)}
  .dw-panel[data-s="1"].on .dw-src:nth-child(1) i{transition-delay:0.15s}
  .dw-panel[data-s="1"].on .dw-src:nth-child(2) i{transition-delay:0.37s}
  .dw-panel[data-s="1"].on .dw-src:nth-child(3) i{transition-delay:0.59s}
  .dw-panel[data-s="1"].on .dw-src:nth-child(4) i{transition-delay:0.81s}
  .dw-panel[data-s="1"].on .dw-src:nth-child(5) i{transition-delay:1.03s}
  .dw-panel[data-s="1"].on .dw-src:nth-child(6) i{transition-delay:1.25s}
  .dw-forge,.dw-share{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
  .dw-fp{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px;color:var(--dek);background:#141618;border:1px solid rgba(255,255,255,.10);border-radius:8px;padding:7px 11px}
  .dw-fp.ing{color:var(--teal);border-color:rgba(31,211,163,.4);background:rgba(31,211,163,.08)}
  .dw-fa{color:#3a3d40}
  .dw-prog{height:6px;border-radius:100px;background:#141618;overflow:hidden;max-width:440px;margin-bottom:12px}
  .dw-prog i{display:block;height:100%;width:0;background:var(--teal);border-radius:100px}
  .dw-panel[data-s="2"].on .dw-prog i{animation:dwFill 2.4s ease-out forwards}
  @keyframes dwFill{to{width:100%}}
  .dw-note2{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11.5px;color:var(--teal)}
  .dw-ppl{display:flex;align-items:center;gap:0;font-family:"Satoshi",sans-serif;font-size:13px;color:var(--ink)}
  .dw-ppl i{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,#1fd3a3,#0aa17c);display:inline-block;margin-left:-6px;border:2px solid #0c0d0e}
  .dw-ppl i:first-child{margin-left:0}
  .dw-ppl b{margin-left:12px;font-weight:500;color:var(--dek)}
  /* enriched chrome: crumb, presence, library, team, rail (teal brand + purple product) */
  .dw-crumb{font-family:"Satoshi",sans-serif;font-size:12.5px;color:var(--dek)}
  .dw-crumb b{color:var(--btn);font-weight:600}
  .dw-present{display:flex;align-items:center}
  .av{width:22px;height:22px;border-radius:50%;display:inline-block;margin-left:-6px;border:2px solid #0e0f11}
  .av:first-child{margin-left:0}
  .av.a1{background:#a78bfa}.av.a2{background:#7fe3c0}.av.a3{background:#f2b45c}
  .dw-pn{font-family:"Satoshi",sans-serif;font-size:11.5px;color:var(--dek);margin-left:9px}
  .dw-deploy{font-family:"Satoshi",sans-serif;font-size:12px;font-weight:600;color:var(--btn);background:rgba(167,139,250,.12);border:1px solid rgba(167,139,250,.42);border-radius:100px;padding:5px 14px}
  .dw-lib{display:flex;flex-direction:column;gap:2px;margin-bottom:2px}
  .dw-libi{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px;color:var(--dek);padding:6px 10px;border-radius:7px}
  .dw-libi.on{color:var(--teal);background:rgba(31,211,163,.08)}
  .dw-team{display:flex;align-items:center;padding:4px 10px}
  .dw-team .av{width:18px;height:18px}
  .dw-tt{font-family:"Satoshi",sans-serif;font-size:12px;color:var(--dek);margin-left:10px}
  .dw-rail{border-left:1px solid rgba(255,255,255,.07);padding:16px 15px;background:#0b0c0d}
  .dw-feed{display:flex;flex-direction:column;gap:13px;margin-top:12px}
  .dw-fl{display:flex;gap:9px;align-items:flex-start;font-family:"Satoshi",sans-serif;font-size:12px;line-height:1.4;color:var(--dek)}
  .dw-fl i{width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:5px;flex:0 0 auto}
  @media(max-width:1040px){ .dw-body{grid-template-columns:200px 1fr} .dw-rail{display:none} }
  @media(max-width:760px){ .dw-body{grid-template-columns:1fr} .dw-side{display:none} }
  @media(prefers-reduced-motion:reduce){ .dw-dot,.dw-caret{animation:none} }
  [data-img-id]:not(.tile){position:relative}.imgid{position:absolute;top:8px;left:8px;z-index:60;font-family:'JetBrains Mono',ui-monospace,monospace;font-size:9.5px;line-height:1;letter-spacing:.04em;font-weight:600;color:#04140f;background:#1fd3a3;border-radius:5px;padding:3px 6px;pointer-events:none;white-space:nowrap;box-shadow:0 2px 8px rgba(0,0,0,.5)}

@media(max-width:1024px){.ft-motif{display:none!important}.s-footer{min-height:auto;padding-bottom:12vh}}

/* hide scroll cues (mobile) */
@media(max-width:1024px){.cue,.sc-cue{display:none!important}}