/* ============================================================
   Shajith Sasikumar
   Premise: Unbroken. One continuous line from first contact to handled.
   Palette sampled from the hero footage: cold white light in deep
   tinted charcoal. The accent is spent on the call to action and
   almost nowhere else.
   ============================================================ */

:root{
  --canvas:#0B0D10;
  --canvas-2:#0E1116;
  --panel:#13171C;
  --line:#1E242C;
  --line-bright:#2E3742;

  --accent:#9FD8FF;
  --accent-hover:#C8E8FF;
  --accent-muted:#2A3946;

  --text-primary:#EEF2F6;
  --text-secondary:#8B95A1;
  --text-dim:#5D6773;

  --display:'Sora',system-ui,sans-serif;
  --body:'Instrument Sans',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;

  /* motion tokens. every duration and curve on the site comes from here. */
  --ease-out:cubic-bezier(0.23, 1, 0.32, 1);        /* entering and exiting */
  --ease-in-out:cubic-bezier(0.77, 0, 0.175, 1);    /* moving on screen */
  --ease:var(--ease-out);                            /* legacy alias */
  --ease-soft:var(--ease-in-out);

  --t-press:160ms;      /* button feedback */
  --t-ui:200ms;         /* accordions, small state changes */
  --t-enter:300ms;      /* items entering a group */
  --t-reveal:600ms;     /* marketing scroll reveal */

  /* three layer shadow so type survives moving footage */
  --tshadow:0 1px 2px rgba(5,8,12,.95),0 3px 12px rgba(5,8,12,.78),0 10px 44px rgba(5,8,12,.8);

  --gut:clamp(20px,5vw,64px);
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}

html,body{
  overflow-x:hidden;      /* fallback first */
  overflow-x:clip;        /* then the one that actually holds */
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--canvas);
  color:var(--text-primary);
  font-family:var(--body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{font-family:var(--display);font-weight:600;margin:0;line-height:1.08;letter-spacing:-.025em}
p{margin:0}
img{max-width:100%;display:block}

a{color:inherit;text-decoration:none}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--accent);color:#06090D;padding:12px 20px;
  font-family:var(--mono);font-size:12px;
}
.skip:focus{left:12px;top:12px}

/* ---------- the one fixed environment layer ---------- */
.env{position:fixed;inset:0;z-index:0;pointer-events:none}
.env::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 80% at 50% 0%,rgba(159,216,255,.05),transparent 60%);
  animation:envdrift 72s var(--ease-soft) -18s infinite alternate;
}
@keyframes envdrift{from{opacity:.55;transform:translate3d(0,0,0)}to{opacity:1;transform:translate3d(0,-2%,0)}}
#motes{position:absolute;inset:0;width:100%;height:100%;opacity:.5}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);position:relative;z-index:1}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset-inline:0;top:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:18px var(--gut);
  transition:background-color .6s var(--ease),backdrop-filter .6s var(--ease),border-color .6s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.solid{background:rgba(11,13,16,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-mark{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:15px;letter-spacing:-.02em}
.nav-mark svg{color:var(--text-primary);overflow:visible}
.nav-links{display:flex;align-items:center;gap:28px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase}
.nav-links a{color:var(--text-secondary);transition:color .4s var(--ease-soft)}
.nav-links a:hover{color:var(--text-primary)}
.nav-cta{color:var(--accent) !important;border:1px solid var(--accent-muted);padding:8px 16px;border-radius:999px;transition:border-color .6s var(--ease),background-color .6s var(--ease)}
.nav-cta:hover{border-color:var(--accent);background:rgba(159,216,255,.08)}
@media (max-width:820px){.nav-links a:not(.nav-cta){display:none}}

/* ---------- hero ---------- */
.hero{position:relative;height:540vh;z-index:1}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:var(--canvas)}

/* ---------- caption bands ---------- */
.band{
  position:absolute;inset:0;display:grid;align-content:center;
  padding-inline:var(--gut);pointer-events:none;
  opacity:0;text-shadow:var(--tshadow);
}
.band::before{
  content:"";position:absolute;inset:-4%;pointer-events:none;
  opacity:calc(.25 + .75*var(--k,1));
  background:radial-gradient(ellipse 78% 64% at 50% 50%,rgba(4,6,10,.70) 0%,rgba(4,6,10,.48) 46%,rgba(4,6,10,0) 76%);
}
.band > *{position:relative}
.band a,.band .btn{pointer-events:auto}

.band-kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.band-h{font-family:var(--display);font-weight:600;letter-spacing:-.03em;line-height:1.02;
  font-size:clamp(2.1rem,6.4vw,5.2rem);max-width:17ch}
.band-2 .band-h,.band-4 .band-h{font-size:clamp(1.9rem,5.2vw,4.2rem);max-width:19ch}
.band-3 .band-h{font-size:clamp(1.8rem,4.6vw,3.6rem);max-width:20ch}
.band-sub{margin-top:20px;color:var(--text-secondary);font-size:clamp(.95rem,1.5vw,1.15rem);max-width:44ch}

.band-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  padding:14px 26px;border-radius:999px;text-shadow:none;
  background:var(--accent);color:#06090D;border:1px solid var(--accent);
  transition:background-color .6s var(--ease),border-color .6s var(--ease),transform .6s var(--ease);
}
.btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text-primary);border-color:var(--line-bright)}
.btn-ghost:hover{background:rgba(255,255,255,.05);border-color:var(--text-secondary)}
@media (pointer:coarse){.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center}}

/* per character / per word entrance primitives, transform + opacity only */
.w{display:inline-block;white-space:pre}
.c{display:inline-block;will-change:transform,opacity}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

.e-drift .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1);opacity:var(--kc);
  transform:translateY(calc((1 - var(--kc)) * -26px))}
.e-rise .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1);opacity:var(--kc);
  transform:translateY(calc((1 - var(--kc)) * 26px))}
.e-settle .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*3,1);opacity:var(--kc);
  transform:translateY(calc((1 - var(--kc)) * 20px))}
.band-4 .band-cta{--kb:clamp(0,(var(--k,0) - .74)*4.2,1);opacity:var(--kb);
  transform:translateY(calc((1 - var(--kb)) * 14px))}

.blur-pair{position:relative;display:block}
.blur-pair .soft,.blur-pair .sharp{display:block}
.blur-pair .soft{position:absolute;inset:0;filter:blur(12px);opacity:calc(1 - var(--k,0))}
.blur-pair .sharp{opacity:var(--k,0)}

/* ---------- the static hero ---------- */
.static-hero{display:none;position:relative;min-height:92svh;align-items:center;
  background-size:cover;background-position:center;background-color:var(--canvas)}
.static-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,10,14,.55) 0%,rgba(8,10,14,.72) 60%,var(--canvas) 100%)}
.static-inner{position:relative;z-index:1;width:100%;max-width:var(--maxw);margin-inline:auto;padding:110px var(--gut) 72px;text-shadow:var(--tshadow)}
.static-h{font-size:clamp(2rem,8vw,3.2rem);letter-spacing:-.03em;line-height:1.04;max-width:16ch}
.static-sub{margin-top:20px;color:var(--text-secondary);max-width:42ch;font-size:1.02rem}

/* THE FIVE STATIC HERO GATES. these strings are duplicated character for
   character in app.js. change one, change both. */
@media (max-width:720px),
       (orientation:portrait) and (max-width:1024px),
       (orientation:portrait) and (pointer:coarse),
       (orientation:landscape) and (pointer:coarse) and (max-height:560px),
       (prefers-reduced-motion:reduce){
  .hero{display:none}
  .static-hero{display:flex}
}

/* short desktop windows keep the scrub but lose the overlays with no room */

/* ---------- sections ---------- */
.sec{position:relative;z-index:1;padding-block:clamp(64px,9vw,132px)}
.kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:26px}
.rule + .kicker{margin-top:clamp(40px,6vw,76px)}
.sec-h{font-size:clamp(1.7rem,4vw,3rem);max-width:22ch;letter-spacing:-.03em}
.lede{margin-top:24px;color:var(--text-secondary);max-width:58ch;font-size:clamp(1rem,1.6vw,1.15rem)}

.stat-line{display:flex;align-items:flex-start;gap:4px;font-family:var(--display);font-weight:600;
  letter-spacing:-.05em;line-height:.9;color:var(--accent)}
.stat{font-size:clamp(4.5rem,15vw,11rem);font-variant-numeric:tabular-nums}
.pct{font-size:clamp(2rem,6vw,4.4rem);padding-top:.15em}
.sec-problem .sec-h{margin-top:18px}

/* ---------- offers ---------- */
.offers{list-style:none;margin:56px 0 0;padding:0;display:grid;gap:1px;background:var(--line);border-block:1px solid var(--line)}
@media (min-width:860px){.offers{grid-template-columns:1fr 1fr}}
.offer{background:var(--canvas);padding:38px clamp(22px,3vw,40px)}
.offer h3{font-size:1.32rem;letter-spacing:-.02em}
.offer p{margin-top:14px;color:var(--text-secondary);max-width:46ch;font-size:.97rem}
.offer .out{margin-top:20px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--text-dim)}

/* ---------- entrances for the page below the hero ---------- */
.rev{clip-path:inset(0 0 100% 0);transition:clip-path var(--t-reveal) var(--ease-in-out)}
.rev.in{clip-path:inset(0 0 0 0)}

/* group entrance: 60ms steps, opacity and transform only */
.stagger > *{opacity:0;transform:translateY(10px);
  transition:opacity var(--t-enter) var(--ease-out),transform var(--t-enter) var(--ease-out)}
.stagger.in > *{opacity:1;transform:none}
.stagger.in > *:nth-child(2){transition-delay:60ms}
.stagger.in > *:nth-child(3){transition-delay:120ms}
.stagger.in > *:nth-child(4){transition-delay:180ms}
.stagger.in > *:nth-child(5){transition-delay:240ms}
.stagger.in > *:nth-child(6){transition-delay:300ms}
/* retire the delays once in, at matching specificity, so hovers never lag */
.stagger.done > *:nth-child(n){transition-delay:0s}

/* ---------- reduced motion, honored completely ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;transition-delay:0s !important;
  }
  .rev,.stagger > *{opacity:1 !important;transform:none !important}
  .band{opacity:1}
  #motes{display:none}
}

/* pause every loop on a hidden tab. play-state does not inherit, so this
   has to hit elements and pseudo elements directly. */
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused !important}

/* ---------- the one interactive moment ---------- */
.line-stage{margin-top:56px;border:1px solid var(--line);background:var(--canvas-2);padding:clamp(24px,4vw,48px)}
.line-svg{width:100%;height:auto;display:block;overflow:visible}
.line-track{stroke:var(--line-bright);stroke-width:2}
.line-draw{stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;
  stroke-dasharray:var(--len,1200);stroke-dashoffset:calc(var(--len,1200) * (1 - var(--hold,0)));
  filter:drop-shadow(0 0 10px rgba(159,216,255,.55))}

.line-steps{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:12px;
  grid-template-columns:repeat(auto-fit,minmax(128px,1fr));font-family:var(--mono);
  font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.line-steps li{color:var(--text-dim);border-top:1px solid var(--line);padding-top:12px;
  transition:color .6s var(--ease),border-color .6s var(--ease)}
.line-steps li.lit{color:var(--accent);border-color:var(--accent-muted)}

.hold{position:relative;overflow:hidden;margin-top:32px;cursor:pointer;
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  padding:16px 30px;border-radius:999px;background:transparent;color:var(--text-primary);
  border:1px solid var(--line-bright);transition:border-color .6s var(--ease);
  -webkit-user-select:none;user-select:none;touch-action:none}
.hold:hover{border-color:var(--accent-muted)}
.hold-fill{position:absolute;inset:0;transform-origin:left center;
  transform:scaleX(var(--hold,0));background:rgba(159,216,255,.16)}
.hold-label{position:relative}
.hold.done{border-color:var(--accent);color:var(--accent)}
.hold-help{margin-top:14px;font-size:.88rem;color:var(--text-dim)}
@media (pointer:coarse){.hold{min-height:44px}}

/* ---------- steps ---------- */
.steps{list-style:none;margin:56px 0 0;padding:0;display:grid;gap:1px;background:var(--line);
  border-block:1px solid var(--line)}
@media (min-width:760px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{background:var(--canvas);padding:34px clamp(20px,2.4vw,30px)}
.step-n{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--accent)}
.steps h3{margin-top:16px;font-size:1.2rem}
.steps p{margin-top:12px;color:var(--text-secondary);font-size:.94rem}

/* ---------- the record ---------- */
.rec-grid{margin-top:56px;display:grid;gap:clamp(36px,5vw,64px)}
@media (min-width:900px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.rec-h{font-family:var(--mono);font-weight:400;font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);padding-bottom:14px;border-bottom:1px solid var(--line)}
.rec-list{list-style:none;margin:0;padding:0}
.rec-list li{padding:22px 0;border-bottom:1px solid var(--line)}
.rec-list time{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--text-dim);font-variant-numeric:tabular-nums}
.rec-list b{display:block;margin-top:8px;font-family:var(--display);font-weight:600;
  font-size:1.02rem;letter-spacing:-.015em}
.rec-list span{display:block;margin-top:4px;font-size:.88rem;color:var(--accent)}
.rec-list p{margin-top:10px;color:var(--text-secondary);font-size:.9rem}

/* ---------- repos ---------- */
.repos{margin-top:48px;display:grid;gap:1px;background:var(--line);border-block:1px solid var(--line)}
@media (min-width:760px){.repos{grid-template-columns:1fr 1fr}}
.repo{background:var(--canvas);padding:26px clamp(20px,2.4vw,30px);min-height:132px}
.repo h3{font-size:1.06rem;letter-spacing:-.015em}
.repo h3 a{transition:color .4s var(--ease-soft)}
.repo h3 a:hover{color:var(--accent)}
.repo p{margin-top:10px;color:var(--text-secondary);font-size:.92rem}
.repo .meta{margin-top:16px;font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;
  text-transform:uppercase;color:var(--text-dim);display:flex;gap:16px;flex-wrap:wrap}
.repo .meta .live{color:var(--accent)}
.more{display:inline-block;margin-top:34px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--accent);
  border-bottom:1px solid var(--accent-muted);padding-bottom:4px;
  transition:border-color .5s var(--ease)}
.more:hover{border-color:var(--accent)}

/* ---------- faq ---------- */
.faq{margin-top:48px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:24px 0;font-family:var(--display);
  font-weight:600;font-size:1.08rem;letter-spacing:-.015em;display:flex;
  justify-content:space-between;gap:20px;align-items:baseline;
  transition:color .4s var(--ease-soft)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:1.1rem}
.faq details[open] summary::after{content:"\2212"}
.faq summary:hover{color:var(--accent)}
.faq .ans-in{padding:0 0 26px}
.faq p{margin:0;color:var(--text-secondary);max-width:64ch;font-size:.97rem}

/* ---------- form ---------- */
.form{margin-top:48px;max-width:620px;display:grid;gap:26px}
.row{display:grid;gap:9px}
.row label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}
.row input,.row textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-bright);
  color:var(--text-primary);font-family:var(--body);font-size:1.02rem;padding:10px 2px;
  transition:border-color .5s var(--ease)}
.row input:focus,.row textarea:focus{outline:none;border-bottom-color:var(--accent)}
.row textarea{resize:vertical}
.form .btn{justify-self:start}
.form-note{font-size:.86rem;color:var(--text-dim)}
.form.sent .row,.form.sent .btn{display:none}
.form-done{display:none;border-left:2px solid var(--accent);padding:20px 22px;background:var(--canvas-2)}
.form.sent .form-done{display:block}

/* ---------- footer ---------- */
.foot{position:relative;z-index:1;border-top:1px solid var(--line);padding-block:56px}
.foot-in{display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.foot-mark{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:600;font-size:.98rem}
.foot-links{display:flex;flex-wrap:wrap;gap:24px;font-family:var(--mono);font-size:11px;
  letter-spacing:.06em;text-transform:uppercase}
.foot-links a{color:var(--text-secondary);transition:color .4s var(--ease-soft)}
.foot-links a:hover{color:var(--accent)}
.foot-meta{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim)}

/* ---------- band placement ----------
   The mark draws in the right half of the stage, so every caption sits in a
   left column that never crosses it. */
.band-h{max-width:min(17ch,44vw)}
.band-sub{max-width:min(30ch,40vw)}
.band-kicker{max-width:none}
.band-2 .band-h{max-width:min(15ch,42vw)}
.band-3 .band-h,.band-4 .band-h{max-width:min(16ch,42vw)}
.band-3,.band-4{align-content:center}

/* the per band scrim follows the text column */
.band::before{
  background:radial-gradient(ellipse 58% 50% at 30% 50%,rgba(4,6,10,.74) 0%,rgba(4,6,10,.5) 46%,rgba(4,6,10,0) 76%);
}
.band-3::before,.band-4::before{
  background:radial-gradient(ellipse 58% 42% at 30% 30%,rgba(4,6,10,.76) 0%,rgba(4,6,10,.52) 46%,rgba(4,6,10,0) 76%);
}

@media (max-width:1100px){
  .band-h,.band-2 .band-h,.band-3 .band-h,.band-4 .band-h{max-width:min(17ch,72vw)}
  .band-sub{max-width:min(34ch,72vw)}
}

/* the first two beats sit nearest the drawing head, the brightest thing on
   the stage, so they carry a deeper scrim than the later ones */
.band-1::before,.band-2::before{
  background:radial-gradient(ellipse 60% 52% at 30% 50%,rgba(4,6,10,.84) 0%,rgba(4,6,10,.6) 46%,rgba(4,6,10,0) 78%);
}


/* ============================================================
   THE VECTOR HERO
   A point of light traces the mark as you scroll, leaving the
   line behind it. No video anywhere: everything here is vector,
   canvas and transforms, which is why it stays smooth.
   ============================================================ */

.field{position:absolute;inset:0;width:100%;height:100%;opacity:.9}

.vignette{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 100% 78% at 62% 50%,rgba(11,13,16,0) 30%,rgba(11,13,16,.72) 100%)}

/* the persistent identity line, always on, never part of a beat */
.hero-id{position:absolute;left:var(--gut);bottom:clamp(28px,5vh,52px);z-index:3;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-primary);text-shadow:var(--tshadow)}
.hero-id span{display:block;margin-top:6px;color:var(--text-dim)}

/* the mark itself, held in the right half */
.mark-wrap{position:absolute;top:50%;left:68%;transform:translate(-50%,-50%);
  width:min(46vh,34vw);aspect-ratio:426/496;pointer-events:none}
.hero-mark,.head-layer{position:absolute;inset:0;width:100%;height:100%;overflow:visible}

.hero-mark{color:var(--text-primary)}
.hero-mark .mk{
  stroke-dasharray:1200;      /* JS replaces both with the real path length */
  stroke-dashoffset:1200;
}
/* The glow was two stacked drop-shadows on the drawing stroke, the outer one
   at 52px. A blur that wide gives the filter an enormous region, and the
   stroke's dash offset changes every frame, so the whole mark was being
   re-blurred 60 times a second: measured, it put 40% of frames over 33ms.
   It is split in two now. The tight glow that hugs the line stays a
   drop-shadow, which at this radius costs nothing measurable. The wide
   ambient bloom is a static radial gradient behind the mark that only ever
   changes opacity, so the compositor fades it and nothing re-rasterises. */
.hero-mark .mk{filter:drop-shadow(0 0 15px rgba(159,216,255,.7))}
.mark-halo{position:absolute;inset:-22%;pointer-events:none;opacity:0;
  will-change:opacity;
  background:radial-gradient(ellipse 52% 46% at 50% 50%,
    rgba(159,216,255,.20) 0%,rgba(159,216,255,.09) 38%,rgba(159,216,255,0) 70%)}

/* the drawing head: the light doing the writing */
.head{fill:rgba(159,216,255,.42);filter:blur(10px)}
/* the .head disc above is already a blurred bloom, so the core only needs
   the tight highlight: a second 48px shadow here was re-blurring the nib
   every frame for light the disc was providing anyway */
.head-core{fill:#FFFFFF;filter:drop-shadow(0 0 15px rgba(200,235,255,1))}
.head,.head-core{opacity:var(--head,0)}

@media (max-width:1100px){
  .mark-wrap{left:50%;top:44%;width:min(52vh,72vw);opacity:.4}
  .vignette{background:radial-gradient(ellipse 120% 80% at 50% 45%,rgba(11,13,16,0) 20%,rgba(11,13,16,.8) 100%)}
}

/* ---------- static hero, phones and reduced motion ---------- */
.static-field{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.static-mark{width:min(64vw,320px);height:auto;color:var(--text-primary);opacity:.22;
  filter:drop-shadow(0 0 22px rgba(159,216,255,.35))}
.static-hero::after{background:radial-gradient(ellipse 110% 80% at 50% 42%,rgba(11,13,16,.2) 0%,rgba(11,13,16,.86) 72%,var(--canvas) 100%)}

/* ---------- the line motif, carried down the whole page ----------
   The same stroke language as the mark, drawn on scroll, so the sections
   below the hero belong to it instead of sitting underneath it. */
.rule{position:relative;height:1px;background:var(--line);overflow:visible}
.rule::after{content:"";position:absolute;inset:0;background:var(--accent);
  transform-origin:left center;transform:scaleX(var(--draw,0));
  box-shadow:0 0 12px rgba(159,216,255,.5);
  transition:transform 1.6s var(--ease)}
.rule.in::after{--draw:1}

/* ============================================================
   MOTION PASS
   Each of these has one named job. Anything that could not be
   named was not built.
   ============================================================ */

/* Button press. Purpose: feedback, the interface heard you.
   scale() takes the label with it, which is what sells it as physical. */
.btn,.hold,.nav-cta{transition:
  background-color var(--t-ui) var(--ease-out),
  border-color var(--t-ui) var(--ease-out),
  color var(--t-ui) var(--ease-out),
  transform var(--t-press) var(--ease-out)}
.btn:active,.nav-cta:active{transform:scale(.97)}
.btn:hover{transform:none}

/* hover motion is gated: touch fires a false hover on tap */
@media (hover:hover) and (pointer:fine){
  .btn:hover{transform:translateY(-1px)}
}

/* FAQ. Purpose: preventing a jarring change. Height is the one property
   allowed to animate here because there is no transform equivalent, so it
   stays short: layout runs on every frame of it. */
.faq details{overflow:hidden}
.faq .ans{overflow:hidden;height:0;opacity:0;
  transition:height var(--t-ui) var(--ease-out),opacity var(--t-ui) var(--ease-out)}
.faq details[open] .ans{opacity:1}
.faq summary::after{transition:transform var(--t-ui) var(--ease-out)}
.faq details[open] summary::after{transform:rotate(90deg)}

/* Repo cards. Purpose: preventing a jarring change. They arrive after a
   network call, so without this they teleport in mid-read. */
.repo{opacity:0;transform:translateY(10px);
  transition:opacity var(--t-enter) var(--ease-out),transform var(--t-enter) var(--ease-out),
             border-color var(--t-ui) var(--ease-out)}
.repos.ready .repo{opacity:1;transform:none}
.repos.ready .repo:nth-child(2){transition-delay:60ms}
.repos.ready .repo:nth-child(3){transition-delay:120ms}
.repos.ready .repo:nth-child(4){transition-delay:180ms}
.repos.ready .repo:nth-child(5){transition-delay:240ms}
.repos.ready .repo:nth-child(6){transition-delay:300ms}
.repos.done .repo:nth-child(n){transition-delay:0s}

/* Process. Purpose: explanation. The four steps are a real sequence, so a
   line draws through them as they enter, showing the order rather than
   decorating it. */
.steps{position:relative}
.steps::before{content:"";position:absolute;left:0;top:0;width:2px;height:100%;
  background:linear-gradient(180deg,var(--accent),rgba(159,216,255,.15));
  transform:scaleY(var(--run,0));transform-origin:top center;
  transition:transform 900ms var(--ease-in-out);
  box-shadow:0 0 12px rgba(159,216,255,.35)}
.steps.in::before{--run:1}
@media (min-width:760px){
  .steps::before{width:100%;height:2px;transform:scaleX(var(--run,0));transform-origin:left center}
}

/* Row feedback. Purpose: feedback on something clickable. Gated, and small. */
@media (hover:hover) and (pointer:fine){
  .offer{transition:background-color var(--t-ui) var(--ease-out)}
  .offer:hover{background:var(--panel)}
  .repo:hover{border-color:var(--accent-muted)}
  .rec-list li{transition:border-color var(--t-ui) var(--ease-out)}
  .rec-list li:hover{border-bottom-color:var(--accent-muted)}
}

/* Reduced motion: gentler, not zero. Opacity survives, movement does not. */
@media (prefers-reduced-motion:reduce){
  .rev{clip-path:none !important}
  .steps::before{transform:none !important}
  .faq .ans{transition:none}
  .btn:active,.nav-cta:active{transform:none}
}

/* ---------- scroll progress ---------- */
.prog{position:fixed;left:0;top:0;height:2px;width:100%;z-index:120;transform-origin:left center;
  transform:scaleX(var(--p,0));background:var(--accent);
  box-shadow:0 0 10px rgba(159,216,255,.55);pointer-events:none}

/* ---------- about ---------- */
.about-grid{margin-top:46px;display:grid;gap:clamp(32px,5vw,64px)}
@media (min-width:900px){.about-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}}
.about-copy{display:grid;gap:20px}
.about-copy p{color:var(--text-secondary);max-width:58ch}
.facts{margin:0;border-top:1px solid var(--line)}
.facts > div{display:flex;justify-content:space-between;gap:18px;align-items:baseline;
  padding:13px 0;border-bottom:1px solid var(--line)}
.facts dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}
.facts dd{margin:0;font-size:.95rem;text-align:right;font-variant-numeric:tabular-nums}

/* ---------- toolkit ---------- */
.kit{margin:46px 0 0;display:grid;gap:1px;background:var(--line);border-block:1px solid var(--line)}
@media (min-width:760px){.kit{grid-template-columns:1fr 1fr}}
.kit > div{background:var(--canvas);padding:26px clamp(20px,2.4vw,32px)}
.kit dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.kit dd{margin:12px 0 0;color:var(--text-secondary);font-size:.97rem}

/* ---------- games ---------- */
.game-tabs{display:flex;gap:8px;margin-top:40px}
.game-tab{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  padding:11px 22px;border-radius:999px;background:transparent;color:var(--text-secondary);
  border:1px solid var(--line-bright);cursor:pointer;
  transition:border-color var(--t-ui) var(--ease-out),color var(--t-ui) var(--ease-out),
             transform var(--t-press) var(--ease-out)}
.game-tab[aria-selected="true"]{border-color:var(--accent);color:var(--accent)}
.game-tab:active{transform:scale(.97)}
@media (pointer:coarse){.game-tab{min-height:44px}}

.game-stage{margin-top:28px}
.game-hint{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim)}
.game-hint b{color:var(--text-primary);font-weight:400}
.game-frame{position:relative;display:inline-block;max-width:100%;margin-top:18px;
  border:1px solid var(--line-bright);background:var(--canvas)}
.game-frame canvas{display:block;max-width:100%;height:auto;background:var(--canvas);touch-action:manipulation}
/* while a game is live the board owns the pointer: no page scroll under a
   dragging thumb, and the paddle is the cursor */
.game-frame canvas.playing{touch-action:none;cursor:none}
.game-over{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:18px;
  background:rgba(11,13,16,.86);opacity:1;transition:opacity var(--t-ui) var(--ease-out)}
.game-over[hidden]{display:none}
.game-result{font-family:var(--display);font-weight:600;font-size:1.3rem;color:var(--accent)}
.game-result:empty{display:none}
.game-score{margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--text-dim);font-variant-numeric:tabular-nums}

/* ---------- the page wipe ----------
   Jumping from the hero to a section below it skipped the whole draw, which
   read as the page breaking. The wipe covers the jump so it lands as a cut
   rather than a teleport. Purpose: preventing a jarring change. */
/* ---------- the cursor streak ----------
   A line of light trailing the pointer, in the same stroke language as the
   mark. Decoration, so it is fine pointers only: on touch there is no
   cursor to trail, and reduced motion switches it off entirely. It never
   takes a click, and it stops running the moment the tail catches up. */
.streak{position:fixed;inset:0;width:100%;height:100%;z-index:250;
  pointer-events:none;display:none}
@media (hover:hover) and (pointer:fine){.streak{display:block}}
@media (prefers-reduced-motion:reduce){.streak{display:none}}

.wipe{position:fixed;inset:0;z-index:300;background:var(--canvas);pointer-events:none;
  transform:translateY(100%);will-change:transform}
.wipe.in{transform:translateY(0);transition:transform 280ms var(--ease-out)}
.wipe.out{transform:translateY(-100%);transition:transform 420ms var(--ease-out)}
.wipe-mark{position:absolute;left:50%;top:50%;width:64px;transform:translate(-50%,-50%);
  color:var(--text-primary);opacity:.5}

@media (prefers-reduced-motion:reduce){
  .wipe{display:none}
  .prog{transition:none}
}