/* ============================================================
   BIAT — The Intelligence Layer (site v2)
   Obsidian monochrome · one signal color · instrument-grade HUD
   ============================================================ */

/* ---------- 1. Fonts ---------- */
@font-face{font-family:'Clash Display';font-weight:500;font-style:normal;font-display:swap;
  src:url(/fonts/clash-display-500.woff2) format('woff2');}
@font-face{font-family:'Clash Display';font-weight:600;font-style:normal;font-display:swap;
  src:url(/fonts/clash-display-600.woff2) format('woff2');}
@font-face{font-family:'Inter';font-weight:100 900;font-style:normal;font-display:swap;
  src:url(/fonts/inter-var.woff2) format('woff2');}
@font-face{font-family:'JetBrains Mono';font-weight:100 800;font-style:normal;font-display:swap;
  src:url(/fonts/jetbrains-mono-var.woff2) format('woff2');}
@font-face{font-family:'IBM Plex Sans Arabic';font-weight:400;font-style:normal;font-display:swap;
  src:url(/fonts/plex-arabic-400.woff2) format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+FB50-FDFF,U+FE70-FEFF;}
@font-face{font-family:'IBM Plex Sans Arabic';font-weight:700;font-style:normal;font-display:swap;
  src:url(/fonts/plex-arabic-700.woff2) format('woff2');unicode-range:U+0600-06FF,U+0750-077F,U+FB50-FDFF,U+FE70-FEFF;}

/* ---------- 2. Tokens ---------- */
:root{
  --void:#060807;
  --panel:#0C0F0E;
  --panel-2:#111514;
  --line:rgba(242,244,243,.08);
  --line-2:rgba(242,244,243,.16);
  --bone:#F2F4F3;
  --dim:rgba(242,244,243,.58);
  --faint:rgba(242,244,243,.48);
  --signal:#6FE3FF;
  --signal-dim:rgba(111,227,255,.13);

  --fd:'Clash Display','IBM Plex Sans Arabic','Inter',system-ui,sans-serif;
  --fb:'Inter','IBM Plex Sans Arabic',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --fm:'JetBrains Mono','IBM Plex Sans Arabic',ui-monospace,'Cascadia Mono',Consolas,monospace;

  --gut:clamp(20px,4.2vw,72px);
  --header-h:72px;
  --ease:cubic-bezier(.65,.05,0,1);
}

/* ---------- 3. Base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scrollbar-color:#2A2F2E var(--void);overflow-x:clip;}
body{
  margin:0;background:var(--void);color:var(--bone);
  font-family:var(--fb);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:var(--signal);color:var(--void);}
a{color:var(--bone);}
p{margin:0;}
h1,h2,h3{margin:0;font-family:var(--fd);font-weight:600;line-height:.98;letter-spacing:-.02em;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
img,svg,canvas,video{max-width:100%;display:block;}
:focus-visible{outline:2px solid var(--signal);outline-offset:4px;border-radius:2px;}

/* film grain */
body::after{
  content:"";position:fixed;inset:-50%;z-index:9990;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

.skip{
  position:fixed;top:12px;inset-inline-start:12px;z-index:10001;
  width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;
  background:var(--bone);color:var(--void);padding:0;
  font-family:var(--fm);font-size:12px;text-decoration:none;
}
.skip:focus{
  width:auto;height:auto;overflow:visible;clip-path:none;padding:10px 18px;
}

/* ---------- 4. Utilities ---------- */
.shell{padding-left:var(--gut);padding-right:var(--gut);}
.mlabel{
  font-family:var(--fm);font-size:11px;font-weight:500;letter-spacing:.22em;
  text-transform:uppercase;color:var(--faint);
}
.mlabel .sig{color:var(--signal);}
.sec-head{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:22px 0;border-top:1px solid var(--line);
}

/* ---------- 5. Wordmark (signal dot over the A) ---------- */
.wm{
  font-family:var(--fd);font-weight:600;letter-spacing:.26em;line-height:1;
  color:var(--bone);text-decoration:none;font-size:17px;
}
.wm .a{position:relative;display:inline-block;letter-spacing:0;margin-right:.26em;}
.wm .a i{
  position:absolute;top:-.24em;left:50%;transform:translateX(-50%);
  width:.16em;height:.16em;border-radius:50%;background:var(--signal);
}

/* ---------- 6. Custom cursor ---------- */
html.cx *{cursor:none!important;}
.cx-dot,.cx-ring{
  position:fixed;top:0;left:0;z-index:10000;pointer-events:none;
  border-radius:50%;translate:-50% -50%;display:none;
}
html.cx .cx-dot,html.cx .cx-ring{display:block;}
.cx-dot{width:6px;height:6px;background:var(--bone);mix-blend-mode:difference;}
.cx-ring{
  width:36px;height:36px;border:1px solid rgba(242,244,243,.55);
  mix-blend-mode:difference;transition:width .25s var(--ease),height .25s var(--ease),opacity .25s;
}
html.cx.cx-hover .cx-ring{width:64px;height:64px;opacity:.9;}

/* ---------- 7. Boot overlay ---------- */
#boot{
  position:fixed;inset:0;z-index:9999;background:var(--void);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:28px var(--gut);
}
#boot[hidden]{display:none;}
.boot-log{font-family:var(--fm);font-size:11.5px;letter-spacing:.14em;color:var(--faint);
  text-transform:uppercase;display:grid;gap:6px;}
.boot-log span{opacity:0;}
.boot-log .ok{color:var(--signal);}
.boot-count{
  align-self:flex-end;font-family:var(--fd);font-weight:600;
  font-size:clamp(64px,14vw,180px);line-height:.9;letter-spacing:-.03em;
  color:var(--bone);font-variant-numeric:tabular-nums;
}

/* ---------- 8. Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);padding:0 var(--gut);
  transition:background .4s,backdrop-filter .4s;
}
.site-header.scrolled{
  background:rgba(6,8,7,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);
}
.site-nav ul{display:flex;gap:34px;list-style:none;margin:0;padding:0;}
.site-nav a{
  font-family:var(--fm);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--dim);text-decoration:none;padding:6px 2px;position:relative;
}
.site-nav a .idx{color:var(--faint);margin-inline-end:6px;font-size:10px;}
.site-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--signal);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.site-nav a:hover,.site-nav a:focus-visible{color:var(--bone);}
.site-nav a:hover::after,.site-nav a:focus-visible::after{transform:scaleX(1);}
.header-side{display:flex;align-items:center;gap:26px;}
.lang-btn{
  font-family:var(--fm);font-size:12px;letter-spacing:.08em;
  color:var(--dim);border:1px solid var(--line-2);border-radius:999px;
  padding:7px 15px;transition:color .3s,border-color .3s;
}
.lang-btn:hover,.lang-btn:focus-visible{color:var(--bone);border-color:var(--bone);}
.mnav-lang{margin-top:34px;align-self:flex-start;font-size:15px;padding:12px 26px;}
.header-status{display:flex;align-items:center;gap:9px;font-family:var(--fm);
  font-size:10.5px;letter-spacing:.18em;color:var(--faint);text-transform:uppercase;}
.header-status i{
  width:6px;height:6px;border-radius:50%;background:var(--signal);
  box-shadow:0 0 10px var(--signal);animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.menu-btn{display:none;}

/* mobile full-screen menu */
#mnav{
  position:fixed;inset:0;z-index:950;background:rgba(6,8,7,.96);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  display:flex;flex-direction:column;justify-content:center;padding:0 var(--gut);
}
#mnav[hidden]{display:none;}
#mnav a{
  font-family:var(--fd);font-weight:600;font-size:clamp(40px,11vw,72px);
  letter-spacing:-.02em;color:var(--bone);text-decoration:none;
  padding:10px 0;border-bottom:1px solid var(--line);
}
#mnav a .idx{font-family:var(--fm);font-size:12px;letter-spacing:.2em;color:var(--signal);
  vertical-align:super;margin-right:14px;}
.mnav-close{position:absolute;top:22px;right:var(--gut);font-family:var(--fm);
  font-size:12px;letter-spacing:.2em;color:var(--dim);text-transform:uppercase;padding:8px;}

/* ---------- 9. Hero ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;}
.hero-bg::before{ /* cold spotlight upper right */
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(46% 60% at 72% 30%,rgba(111,227,255,.10),transparent 70%),
    radial-gradient(50% 42% at 74% 88%,rgba(111,227,255,.05),transparent 70%),
    radial-gradient(38% 38% at 18% 12%,rgba(242,244,243,.04),transparent 70%);
}
.hero-bg::after{ /* dot matrix, masked */
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(242,244,243,.13) 1px,transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(72% 68% at 64% 42%,#000 0%,transparent 78%);
  mask-image:radial-gradient(72% 68% at 64% 42%,#000 0%,transparent 78%);
  opacity:.5;
}
.hero-3d{
  position:absolute;z-index:1;inset:0 0 0 auto;width:min(52vw,880px);
  pointer-events:auto;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 24%);
  mask-image:linear-gradient(90deg,transparent,#000 24%);
}
.hero-3d canvas{width:100%;height:100%;opacity:0;transition:opacity 1.2s ease .1s;}
.hero-3d.live canvas{opacity:1;}
.hero-poster{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  transition:opacity .8s ease;
}
.hero-3d.live .hero-poster{opacity:0;}
.hero-poster svg{width:min(30vw,420px);opacity:.5;}
.hero-copy{
  position:relative;z-index:2;flex:1;display:flex;flex-direction:column;justify-content:center;
  padding:calc(var(--header-h) + 4vh) var(--gut) 4vh;max-width:min(62vw,980px);
}
.hero-eyebrow{margin-bottom:3.2vh;display:flex;align-items:center;gap:14px;
  color:rgba(242,244,243,.68);}
.hero-eyebrow .tick{width:44px;height:1px;background:var(--line-2);}
.hero h1{
  font-size:clamp(58px,9vw,150px);color:var(--bone);
  margin:0 0 3.4vh -0.04em;max-width:11ch;
}
.hero h1 .row2{color:var(--dim);}
.hero-sub{
  font-size:clamp(15.5px,1.25vw,18px);line-height:1.65;color:var(--dim);
  max-width:46ch;margin-bottom:4.6vh;
}
.hero-ctas{display:flex;gap:18px;flex-wrap:wrap;align-items:center;}

.btn{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--fm);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  padding:17px 30px;border-radius:999px;text-decoration:none;
  transition:transform .3s var(--ease),background .3s,color .3s,border-color .3s;
  will-change:transform;
}
.btn .arr{transition:transform .3s var(--ease);}
.btn:hover .arr{transform:translateX(5px);}
.btn-solid{background:var(--bone);color:var(--void);border:1px solid var(--bone);}
.btn-solid:hover{background:var(--signal);border-color:var(--signal);}
.btn-ghost{border:1px solid var(--line-2);color:rgba(242,244,243,.82);}
.btn-ghost:hover{border-color:var(--bone);color:var(--bone);}

/* HUD strip */
.hero-hud{
  position:relative;z-index:2;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,auto) 1fr auto;gap:34px;align-items:center;
  padding:16px var(--gut) 18px;
  font-family:var(--fm);font-size:11px;letter-spacing:.14em;color:rgba(242,244,243,.64);
  text-transform:uppercase;white-space:nowrap;
}
.hero-hud b{font-weight:500;color:rgba(242,244,243,.9);}
.hero-hud .clock{font-variant-numeric:tabular-nums;}
.hud-scroll{display:flex;align-items:center;gap:10px;justify-self:end;}
.hud-scroll i{display:block;width:1px;height:22px;background:var(--dim);
  animation:drip 1.8s var(--ease) infinite;transform-origin:top;}
@keyframes drip{0%{transform:scaleY(0);}45%{transform:scaleY(1);}100%{transform:scaleY(0);transform-origin:bottom;}}

/* ---------- 10. Ticker ---------- */
.ticker{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;padding:17px 0;position:relative;
}
.ticker-track{display:flex;gap:0;width:max-content;animation:tick 46s linear infinite;}
.ticker span{
  font-family:var(--fm);font-size:12.5px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--dim);padding:0 34px;white-space:nowrap;
}
.ticker span::after{content:"·";color:var(--signal);margin-left:66px;}
@keyframes tick{to{transform:translateX(-50%);}}

/* ---------- 11. Capabilities ---------- */
.caps{padding-top:clamp(90px,12vh,160px);}
.cap-row{
  position:relative;display:grid;
  grid-template-columns:90px 1fr minmax(180px,260px);gap:28px;align-items:center;
  padding:34px 0;border-top:1px solid var(--line);
  transition:background .4s;
}
.caps .cap-row:last-of-type{border-bottom:1px solid var(--line);}
.cap-row .idx{font-family:var(--fm);font-size:12px;letter-spacing:.2em;color:var(--faint);
  transition:color .3s;}
.cap-row h3{
  font-size:clamp(28px,4.3vw,58px);color:var(--bone);letter-spacing:-.02em;
  transition:transform .45s var(--ease);
}
.cap-row .cap-line{
  grid-column:2;max-width:52ch;color:var(--dim);font-size:15px;
  overflow:hidden;max-height:0;opacity:0;
  transition:max-height .5s var(--ease),opacity .4s .05s,margin .5s var(--ease);
}
.cap-art{
  grid-column:3;grid-row:1 / span 2;justify-self:end;align-self:center;
  width:100%;max-width:260px;aspect-ratio:16/10;border:1px solid var(--line);
  border-radius:10px;overflow:hidden;background:var(--panel);
  opacity:.35;transition:opacity .4s,border-color .4s;
}
.cap-art canvas{width:100%;height:100%;}
.cap-row:hover,.cap-row.open{background:linear-gradient(90deg,transparent,rgba(242,244,243,.025) 12%,rgba(242,244,243,.025) 88%,transparent);}
.cap-row:hover .idx,.cap-row.open .idx{color:var(--signal);}
.cap-row:hover h3,.cap-row.open h3{transform:translateX(14px);}
.cap-row:hover .cap-line,.cap-row.open .cap-line{max-height:80px;opacity:1;margin-top:12px;}
.cap-row:hover .cap-art,.cap-row.open .cap-art{opacity:1;border-color:var(--line-2);}

/* ---------- 12. Proof ---------- */
.proof{padding-top:clamp(110px,16vh,200px);padding-bottom:clamp(110px,16vh,200px);}
.proof-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:34px;
}
.stat{background:var(--void);padding:clamp(30px,4vw,58px);}
.stat .num{
  font-family:var(--fd);font-weight:600;letter-spacing:-.03em;line-height:.92;
  font-size:clamp(58px,8.4vw,144px);color:var(--bone);font-variant-numeric:tabular-nums;
}
.stat .num em{font-style:normal;color:var(--signal);}
.stat .cap{margin-top:16px;}

/* ---------- 13. Selected work — sticky stack ---------- */
.work{padding:clamp(90px,12vh,160px) 0 0;}
.case-panel{
  position:sticky;top:calc(var(--header-h) + 22px);
  background:var(--panel);border:1px solid var(--line-2);border-radius:22px;
  margin:0 var(--gut) 26px;padding:clamp(26px,3.4vw,54px);
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,3.5vw,56px);
  min-height:min(72vh,680px);box-shadow:0 -18px 60px rgba(0,0,0,.5);
  overflow:hidden;
}
.case-panel:nth-of-type(1){top:calc(var(--header-h) + 22px);}
.case-panel:nth-of-type(2){top:calc(var(--header-h) + 38px);background:var(--panel-2);}
.case-panel:nth-of-type(3){top:calc(var(--header-h) + 54px);background:#151A19;}
.case-panel:nth-of-type(4){top:calc(var(--header-h) + 70px);background:#1A201F;}
.case-info{display:flex;flex-direction:column;justify-content:space-between;gap:26px;min-width:0;}
.case-file{color:var(--signal);}
.case-panel h3{font-size:clamp(32px,4.6vw,64px);color:var(--bone);margin:14px 0 18px;}
.case-desc{color:var(--dim);font-size:15.5px;line-height:1.7;max-width:46ch;}
.case-metrics{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.case-metrics span{
  font-family:var(--fm);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim);border:1px solid var(--line-2);border-radius:999px;padding:9px 16px;
  white-space:nowrap;
}
.case-metrics b{color:var(--bone);font-weight:500;}
.case-tags{margin-top:18px;color:var(--dim);}
.case-art{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:var(--void);min-height:300px;position:relative;
}
.case-art canvas{position:absolute;inset:0;width:100%;height:100%;}

/* ---------- 14. Story — horizontal timeline ---------- */
.story{padding-top:clamp(90px,12vh,160px);}
.story-pin{overflow:hidden;}
.story-track{display:flex;width:max-content;align-items:stretch;}
.beat{
  width:min(78vw,640px);flex:none;padding:8vh var(--gut) 10vh;
  border-left:1px solid var(--line);display:flex;flex-direction:column;gap:3vh;
  min-height:72vh;justify-content:flex-end;
}
.beat .year{
  font-family:var(--fm);font-size:13px;letter-spacing:.3em;color:var(--signal);
}
.beat h3{font-size:clamp(30px,4vw,54px);color:var(--bone);max-width:14ch;}
.beat p{color:var(--dim);max-width:38ch;font-size:15.5px;}

/* ---------- 15. Principles ---------- */
.principles{padding-top:clamp(110px,16vh,200px);padding-bottom:clamp(110px,16vh,200px);}
.principle{
  display:flex;align-items:baseline;gap:26px;
  padding:4.2vh 0;border-top:1px solid var(--line);
}
.principles .principle:last-of-type{border-bottom:1px solid var(--line);}
.principle .idx{font-family:var(--fm);font-size:12px;letter-spacing:.2em;color:var(--faint);flex:none;}
.principle h3{font-size:clamp(34px,5.6vw,84px);color:var(--bone);}
.principle:nth-child(even) h3{color:var(--dim);}

/* ---------- 16. Contact ---------- */
.contact{padding-top:clamp(100px,14vh,180px);padding-bottom:clamp(70px,9vh,120px);}
.contact-h{
  font-family:var(--fd);font-weight:600;letter-spacing:-.02em;line-height:.98;
  font-size:clamp(44px,7vw,110px);color:var(--bone);margin:20px 0 7vh;max-width:14ch;
}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(40px,6vw,110px);align-items:start;}
.field{margin-bottom:34px;position:relative;}
.field label{
  display:block;font-family:var(--fm);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--faint);margin-bottom:12px;
}
.field input,.field textarea{
  display:block;width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-2);
  border-radius:0;color:var(--bone);font-family:var(--fb);font-size:19px;
  padding:6px 0 16px;transition:border-color .3s;
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus-visible,.field textarea:focus-visible{
  outline:none;border-bottom-color:var(--signal);
}
.field .err{
  display:none;font-family:var(--fm);font-size:11.5px;letter-spacing:.1em;
  color:var(--signal);margin-top:10px;
}
.field.invalid .err{display:block;}
.field.invalid input,.field.invalid textarea{border-bottom-color:var(--signal);}
.hp{display:none!important;}
.contact-aside{display:grid;gap:44px;align-content:start;}
.contact-aside .mail{
  font-family:var(--fd);font-weight:500;font-size:clamp(22px,2.6vw,34px);
  color:var(--bone);text-decoration:none;letter-spacing:-.01em;
  border-bottom:1px solid var(--signal);padding-bottom:6px;display:inline-block;
}
.contact-aside .mail:hover{color:var(--signal);}
.aside-block{display:grid;gap:10px;}
.aside-block .v{font-family:var(--fm);font-size:13px;color:var(--dim);letter-spacing:.08em;
  font-variant-numeric:tabular-nums;}

/* ---------- 17. Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);padding:30px var(--gut);
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
}
.site-footer .wm{font-size:14px;}
.foot-legal{font-family:var(--fm);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--faint);}
.to-top{
  font-family:var(--fm);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--dim);text-decoration:none;
}
.to-top:hover{color:var(--signal);}

/* ---------- 18. Simple pages (thanks / 404) ---------- */
.simple-main{
  min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:0 var(--gut);position:relative;overflow:hidden;
}
.simple-main .big{
  font-family:var(--fd);font-weight:600;font-size:clamp(64px,14vw,200px);
  letter-spacing:-.03em;line-height:.92;color:var(--bone);margin:24px 0 30px;
}
.simple-main .note{color:var(--dim);max-width:44ch;font-size:16px;margin-bottom:44px;}
.simple-main .note a{color:var(--bone);}
.scanline{
  position:absolute;left:0;right:0;height:1px;background:var(--signal-dim);
  animation:scan 5s linear infinite;pointer-events:none;
}
@keyframes scan{from{top:-2%;}to{top:102%;}}

/* ---------- 19. Motion scaffolding ----------
   .mo is added by JS only when GSAP loaded AND motion allowed —
   content is never hidden for no-JS, reduced-motion, or a failed lib. */
html.mo [data-reveal]{opacity:0;transform:translateY(26px);}
html.mo .split-line{will-change:transform;}
.pin-spacer{z-index:auto!important;}
section[id]{scroll-margin-top:90px;}

/* ---------- 20. Reduced motion — everything instant, robot off ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation:none!important;
    transition:none!important;
    scroll-behavior:auto!important;
  }
  html.mo [data-reveal]{opacity:1;transform:none;}
  .ticker-track{animation:none!important;flex-wrap:wrap;width:auto;}
  .cap-row .cap-line{max-height:none;opacity:1;margin-top:12px;}
  .cap-art{opacity:1;}
}

/* ---------- 21b. Arabic + RTL ---------- */
/* Tracking breaks Arabic letter joins; translated nodes drop it. */
html[lang="ar"] [data-i18n],
html[lang="ar"] [data-i18n-html]{letter-spacing:0;}
/* Arabic needs taller line boxes — ascenders/diacritics clip at .98 */
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3{line-height:1.3;}
html[lang="ar"] .hero h1{font-size:clamp(44px,7.6vw,118px);max-width:16ch;}
html[lang="ar"] .contact-h{line-height:1.32;}
html[lang="ar"] .principle h3{line-height:1.42;}
html[lang="ar"] .hero-sub,
html[lang="ar"] .cap-line,
html[lang="ar"] .case-desc,
html[lang="ar"] .beat p,
html[lang="ar"] .note{line-height:1.95;}
html[lang="ar"] .mlabel{font-weight:400;}
/* Latin/instrument islands stay LTR inside RTL flow */
html[dir="rtl"] :is(.hero-hud,.ticker-track,.boot-log,.boot-count,.case-file,.case-tags,.wm,.mail,.foot-legal){direction:ltr;}
.clock,.hud-coords{direction:ltr;unicode-bidi:embed;}
html[dir="rtl"] .arr{display:inline-block;transform:scaleX(-1);}
html[dir="rtl"] .cap-row:hover h3,html[dir="rtl"] .cap-row.open h3{transform:translateX(-14px);}
html[dir="rtl"] .site-nav a::after{transform-origin:right;}
/* Horizontal instruments run LTR internally; Arabic text flows RTL inside */
html[dir="rtl"] :is(.story-pin,.story-track,.ticker){direction:ltr;}
html[dir="rtl"] .beat{direction:rtl;text-align:right;}
/* The robot crosses to the left so the right-aligned Arabic copy owns the right */
@media (min-width:901px){
  html[dir="rtl"] .hero-3d{
    inset:0 auto 0 0;
    -webkit-mask-image:linear-gradient(270deg,transparent,#000 24%);
    mask-image:linear-gradient(270deg,transparent,#000 24%);
  }
}
html[dir="rtl"] #mnav a .idx{margin-right:0;margin-left:14px;}
html[dir="rtl"] .hero-hud{justify-items:start;}

/* ---------- 21. Responsive ---------- */
@media (max-width:1080px){
  .hero-3d{width:58vw;opacity:.85;}
  .hero-copy{max-width:72vw;}
}
@media (max-width:900px){
  .site-nav{display:none;}
  .header-status{display:none;}
  .menu-btn{
    display:inline-flex;font-family:var(--fm);font-size:12px;letter-spacing:.22em;
    text-transform:uppercase;color:var(--bone);padding:10px 2px;
  }
  .hero{min-height:100svh;}
  .hero-3d{
    inset:auto 0 60px 0;width:100%;height:44svh;opacity:1;
    -webkit-mask-image:linear-gradient(180deg,transparent,#000 16%);
    mask-image:linear-gradient(180deg,transparent,#000 16%);
  }
  .hero-copy{
    max-width:none;justify-content:flex-start;flex:none;
    padding-top:calc(var(--header-h) + 5vh);padding-bottom:42svh;
  }
  .hero h1{font-size:clamp(52px,13.5vw,96px);}
  .hero-sub{max-width:none;}
  .hero-hud{grid-template-columns:repeat(2,auto);gap:10px 26px;white-space:normal;}
  .hud-coords,.hud-scroll{display:none;}
  .cap-row{grid-template-columns:52px 1fr;}
  .cap-art{display:none;}
  .cap-row .cap-line{grid-column:2;}
  .proof-grid{grid-template-columns:1fr;}
  .case-panel{grid-template-columns:1fr;min-height:0;margin:0 12px 20px;}
  .case-art{min-height:220px;order:-1;}
  .contact-grid{grid-template-columns:1fr;}
  .story-pin{overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
  .beat{width:84vw;min-height:60vh;scroll-snap-align:start;}
  .header-side{gap:14px;}
  .lang-btn{padding:6px 12px;font-size:11.5px;}
}
@media (max-width:480px){
  :root{--header-h:62px;}
  .hero h1{font-size:clamp(44px,14vw,72px);}
  .btn{padding:15px 24px;}
  .case-panel{padding:22px;}
  .stat .num{font-size:clamp(52px,15vw,88px);}
}