/* Koratech "Beneath" — one idea: a polished surface (bone + ink) and the engineering underneath (cobalt blueprint), revealed by a lens.
   Palette is closed: bone, ink, one cobalt. Solid fills only — no gradients, no blur, no glass. SplitWave brand fonts: Almarai (headings), Alexandria (text), Montserrat for Cyrillic. */
:root{
  --bone:#ece8de; --ink:#0d0e11; --ink-2:#181a1f; --cobalt:#2340ff; --line-d:#2c2f36;
  --bg:#ece8de; --fg:#0d0e11; --mut:#5b5d63; --accent-t:#2340ff; --hair:#c9c3b4; --navh:64px;
  --pad:clamp(18px,3vw,44px); --max:1440px; --ease:cubic-bezier(.16,1,.3,1);
  --head:"Almarai","Montserrat","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  --sans:"Alexandria","Montserrat","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
}
:root[data-theme="dark"]{--bg:#0d0e11;--fg:#ece8de;--mut:#9a9ca3;--accent-t:#ff4a52;--hair:#23262d}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);scroll-padding-top:var(--navh)}
body{margin:0;padding-top:var(--navh);background:var(--bg);color:var(--fg);font:350 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
ul,ol,dl,dd{margin:0;padding:0}li{list-style:none}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px}
.mono{font:600 11.5px/1.35 var(--sans);letter-spacing:.09em;text-transform:uppercase}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.two{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,96px);align-items:start}
.h2{font-family:var(--head);font-weight:700;letter-spacing:-.025em;line-height:.98;text-transform:uppercase;font-size:clamp(34px,5.6vw,92px);margin:.25em 0 .35em}
.h2.sm{font-size:clamp(28px,3.9vw,62px);max-width:22ch}
.lead{font-size:clamp(18px,1.55vw,23px);line-height:1.5;max-width:44ch}
.kick{color:var(--accent-t)}.blue .kick,.lat .kick{color:#fff}
.sec{padding:clamp(80px,11vw,170px) 0}
.sec.head{padding-top:clamp(56px,7vw,110px);padding-bottom:clamp(50px,6vw,90px)}
.sec.blue{background:var(--cobalt);color:#fff}
.sec.blue .lead,.sec.blue .mail{color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;height:54px;padding:0 30px;border-radius:99px;font:600 15px/1 var(--sans);cursor:pointer;border:0;transition:transform .35s var(--ease),background .25s,color .25s}
.btn.ink{background:var(--fg);color:var(--bg)}.btn.ink:hover{background:var(--cobalt);color:#fff;transform:translateY(-2px)}
.blue .btn.ink{background:var(--ink);color:var(--bone)}.blue .btn.ink:hover{background:#fff;color:var(--cobalt)}
.lnk{font-weight:600;border-bottom:2px solid var(--fg);padding-bottom:3px}.lnk:hover{border-color:var(--cobalt);color:var(--accent-t)}

/* navbar: its own solid bar above the page (never over the hero, so the lens cannot sit under it) */
.top{position:fixed;z-index:50;left:0;right:0;top:0;height:var(--navh);display:flex;justify-content:space-between;align-items:center;padding:0 var(--pad);background:var(--bg);color:var(--fg);box-shadow:0 1px 0 var(--hair);transition:background .3s,color .3s}
.brand{display:flex;align-items:center;gap:12px}.brand img{width:26px;height:auto;filter:invert(1)}:root[data-theme="dark"] .brand img,.foot .brand img{filter:none}.brand b{font:700 14px/1 var(--head);letter-spacing:.14em}
.top nav{display:flex;gap:clamp(14px,2.2vw,32px);align-items:center;font:600 11.5px/1 var(--sans);letter-spacing:.09em;text-transform:uppercase}
.top nav>a{position:relative;padding:6px 0}.top nav>a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}.top nav>a:hover::after,.top nav>a[aria-current]::after{transform:scaleX(1)}
.ctl{display:flex;align-items:center;gap:8px}
.ibtn,.lang-menu>summary{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 11px;border:2px solid currentColor;border-radius:99px;background:none;color:inherit;font:600 11.5px/1 var(--sans);letter-spacing:.08em;cursor:pointer;list-style:none}
.lang-menu>summary::-webkit-details-marker{display:none}
.ibtn:hover,.lang-menu>summary:hover,.lang-menu[open]>summary{background:var(--fg);color:var(--bg)}
.i{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ic-moon{display:none}:root[data-theme="dark"] .ic-sun{display:none}:root[data-theme="dark"] .ic-moon{display:block}
.lang-menu{position:relative}
.lang-menu .menu{position:absolute;right:0;top:calc(100% + 10px);min-width:190px;padding:6px;background:var(--bg);color:var(--fg);border:2px solid var(--fg);display:grid;gap:2px}
.lang-menu .menu a{display:flex;align-items:center;gap:12px;padding:10px 12px;font:500 14px/1 var(--sans);letter-spacing:0;text-transform:none}
.lang-menu .menu a:hover,.lang-menu .menu a.on{background:var(--fg);color:var(--bg)}
.lang-menu img{width:20px;height:15px;object-fit:cover;flex:none}

/* hero — both layers use the SAME absolute layout, so the blueprint lines up with the wordmark to the pixel */
.hero{position:relative;height:calc(var(--vh,100svh) - var(--navh));min-height:560px;overflow:hidden;cursor:none;--x:50vw;--y:50svh;--r:0px;color:var(--fg)}
.L{position:absolute;inset:0}
.L.a{background:var(--bg);transition:background .3s}
.L.b{background:var(--cobalt);color:#fff;-webkit-mask:radial-gradient(circle var(--r) at var(--x) var(--y),#000 calc(var(--r) - 1px),transparent var(--r));mask:radial-gradient(circle var(--r) at var(--x) var(--y),#000 calc(var(--r) - 1px),transparent var(--r))}
.eyebrow{position:absolute;left:var(--pad);top:34px;margin:0;color:var(--mut)}.L.b .eyebrow{color:#fff}
.wm{position:absolute;left:var(--pad);top:50%;transform:translateY(-50%);margin:0;font-family:var(--head);font-weight:700;letter-spacing:-.02em;line-height:1;font-size:var(--wms,15vw);text-transform:uppercase;white-space:nowrap}
.wmw{position:relative;display:inline-block}
.L.b .wm{color:transparent;-webkit-text-stroke:2px #fff}
.L.b .grid{position:absolute;inset:0;background-image:linear-gradient(#ffffff2e 1px,transparent 1px),linear-gradient(90deg,#ffffff2e 1px,transparent 1px);background-size:64px 64px}
.g{position:absolute;left:-4vw;right:-4vw;top:0;height:0;border-top:2px dashed #fff;pointer-events:none}.g.base{border-top-style:solid}
.hero-foot{position:absolute;left:var(--pad);right:var(--pad);bottom:var(--pad);display:flex;justify-content:space-between;align-items:flex-end;gap:32px}
.tag{margin:0 0 10px;font:700 clamp(20px,2.2vw,34px)/1.1 var(--head);letter-spacing:-.01em;max-width:26ch}
.sub{margin:0;max-width:52ch;color:var(--mut);font-size:clamp(15px,1.15vw,18px)}
.L.b .hero-foot{font-size:12px}
.cta{display:flex;gap:26px;align-items:center;flex-shrink:0}
.ring{position:absolute;left:0;top:0;width:calc(var(--r)*2);height:calc(var(--r)*2);border-radius:50%;border:2px solid var(--fg);transform:translate(calc(var(--x) - var(--r)),calc(var(--y) - var(--r)));pointer-events:none}
.hint{position:absolute;right:var(--pad);top:34px;margin:0;color:var(--mut);pointer-events:none}
@media (max-width:820px){.hero{cursor:auto}.hint{display:none}.hero-foot{flex-direction:column;align-items:flex-start}.wm{top:38%}}
/* marquee */
.mq{background:var(--fg);color:var(--bg);overflow:hidden;transition:background .3s,color .3s}
.mq-in{display:flex;width:max-content;animation:mq 38s linear infinite}
.mq:hover .mq-in{animation-play-state:paused}
.mq span{display:inline-flex;align-items:center;gap:clamp(22px,3vw,48px);padding:clamp(18px,2.2vw,30px) clamp(11px,1.5vw,24px);font:700 clamp(26px,4.4vw,68px)/1 var(--head);letter-spacing:-.02em;text-transform:uppercase;white-space:nowrap}
.mq i{width:.34em;height:.34em;background:var(--cobalt);flex:none}
@keyframes mq{to{transform:translateX(-50%)}}

/* WebGL lattice band (home) */
.lat{position:relative;height:min(var(--vh,100svh),860px);min-height:560px;background:var(--ink);color:var(--bone);overflow:hidden}
.lat canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.lat-t{position:absolute;left:0;right:0;top:0;pointer-events:none;padding-top:clamp(50px,6vw,90px)}
.lat-t .kick{color:#fff}.lat-t .h2{max-width:24ch;margin-bottom:.2em}.lat-t .lead{color:#d9d4c8}

/* capability rows (home) */
.rows{border-bottom:2px solid var(--fg);margin-top:clamp(30px,4vw,60px)}
.row{position:relative;display:grid;grid-template-columns:56px 1fr 230px;gap:22px;align-items:center;padding:30px 0;border-top:2px solid var(--fg);transition:background .3s,color .3s,padding .4s var(--ease)}
.row .n{font:600 12px/1 var(--sans);letter-spacing:.08em;color:var(--accent-t)}
.row h3{margin:0;font:700 clamp(26px,3.5vw,56px)/1 var(--head);letter-spacing:-.02em;text-transform:uppercase}
.row p{margin:10px 0 0;font:600 11px/1.5 var(--sans);letter-spacing:.07em;text-transform:uppercase;color:var(--mut)}
.row svg{width:100%;height:auto;overflow:visible}
.row svg *{fill:none;stroke:var(--fg);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:var(--l,400);stroke-dashoffset:var(--l,400);transition:stroke-dashoffset 1.4s var(--ease),stroke .3s}
.row svg .f{fill:var(--cobalt);stroke:var(--cobalt)}
.row.in svg *{stroke-dashoffset:0}
.row:hover{background:var(--cobalt);color:#fff;padding-left:22px;padding-right:22px}
.row:hover .n,.row:hover p{color:#fff}.row:hover svg *{stroke:#fff}.row:hover svg .f{fill:#fff;stroke:#fff}
@media (max-width:980px){.two{grid-template-columns:1fr}.row{grid-template-columns:40px 1fr 120px}}
@media (max-width:560px){.row{grid-template-columns:30px 1fr 70px;gap:14px}.row svg{max-width:70px}}

/* capabilities page: sticky WebGL stage + scrolling panels */
.cap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);background:var(--ink);color:var(--bone)}
.cap-st{position:sticky;top:var(--navh);height:calc(var(--vh,100svh) - var(--navh));order:2}
.cap-st canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.cap-lab{position:absolute;left:var(--pad);bottom:var(--pad);margin:0;color:#fff}
.cap-list{order:1;padding:0 var(--pad);max-width:none;margin:0}
.panel{min-height:calc(var(--vh,100svh) - var(--navh));display:flex;flex-direction:column;justify-content:center;padding:clamp(80px,9vw,140px) 0;border-bottom:2px solid var(--line-d)}
.panel:last-child{border-bottom:0}
.panel .n{font:600 12px/1 var(--sans);letter-spacing:.08em;color:var(--accent-t);margin-bottom:22px}
.panel h2{margin:0 .0em .4em;font:700 clamp(30px,4.2vw,70px)/1.02 var(--head);letter-spacing:-.02em;text-transform:uppercase;color:#444952;transition:color .5s var(--ease)}
.panel.on h2{color:var(--bone)}
.panel p{margin:0 0 26px;max-width:36ch;font-size:clamp(17px,1.5vw,22px);color:#d9d4c8}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:9px 14px;border-radius:99px;box-shadow:inset 0 0 0 2px #3a3e46;font:600 11px/1.2 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--bone)}
@media (max-width:980px){.cap{grid-template-columns:1fr}.cap-st{order:0;height:44svh;top:0;z-index:5}.cap-list{order:1}.panel{min-height:72svh;padding:48px 0}}

/* stack */
.stk{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,3.4vw,56px) clamp(22px,3vw,48px);margin-top:clamp(36px,5vw,70px)}
.stk h3{margin:0 0 16px;padding-bottom:14px;border-bottom:2px solid var(--fg);font:600 11.5px/1.2 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--accent-t)}
.stk ul{display:flex;flex-wrap:wrap;gap:8px}
.stk li{padding:9px 14px;border-radius:99px;box-shadow:inset 0 0 0 2px var(--fg);font:500 14px/1.2 var(--sans);transition:background .2s,color .2s,box-shadow .2s}
.stk li:hover{background:var(--cobalt);color:#fff;box-shadow:inset 0 0 0 2px var(--cobalt)}
@media (max-width:980px){.stk{grid-template-columns:1fr 1fr}}@media (max-width:560px){.stk{grid-template-columns:1fr}}

/* working rules (how.html) */
.roles{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(10px,2vw,30px);border-top:2px solid var(--fg);border-left:2px solid var(--fg)}
.role{position:relative;min-height:360px;padding:28px clamp(20px,2vw,32px) 30px;border-right:2px solid var(--fg);border-bottom:2px solid var(--fg);display:flex;flex-direction:column;justify-content:space-between;transition:background .3s,color .3s}
.role .n{font:700 clamp(64px,7.4vw,120px)/.8 var(--head);letter-spacing:-.03em;color:transparent;-webkit-text-stroke:2px var(--fg);transition:-webkit-text-stroke-color .3s,color .3s}
.role h3{margin:34px 0 10px;font:700 clamp(19px,1.8vw,27px)/1.1 var(--head);letter-spacing:-.01em;text-transform:uppercase}
.role p{margin:0;font-size:15px;line-height:1.55;color:var(--mut);transition:color .3s}
.role ul{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}.role li{font:600 10.5px/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;padding:7px 10px;box-shadow:inset 0 0 0 2px var(--fg);transition:box-shadow .3s}
.role:hover{background:var(--cobalt);color:#fff}.role:hover .n{-webkit-text-stroke-color:#fff;color:#fff}.role:hover p{color:#e6eaff}.role:hover li{box-shadow:inset 0 0 0 2px #fff}
@media (max-width:1180px){.roles{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.roles{grid-template-columns:1fr}}

/* contact */
.ct{min-height:calc(100svh - var(--navh));padding-top:clamp(60px,7vw,110px)}
.mail{display:inline-block;margin:26px 0 14px;font:700 min(46px,5.2vw)/1.1 var(--head);letter-spacing:-.02em;border-bottom:4px solid #fff;padding-bottom:6px;white-space:nowrap}
.mail:hover{background:#fff;color:var(--cobalt)}
.small{opacity:.9;margin:8px 0 0}
form{display:grid;gap:22px;background:var(--ink);color:var(--bone);padding:clamp(24px,3vw,44px)}
label{display:grid;gap:9px}label .mono{color:#ff7a82}
input,textarea{font:400 17px/1.4 var(--sans);color:#fff;background:var(--ink-2);border:2px solid var(--line-d);border-radius:0;padding:15px 16px;outline:none;resize:vertical}
input:focus,textarea:focus{border-color:#fff}
form .btn.ink,.blue form .btn.ink{background:var(--cobalt);color:#fff;width:100%;height:58px}form .btn.ink:hover,.blue form .btn.ink:hover{background:#fff;color:var(--cobalt)}
.err{margin:0;min-height:1.3em;font-weight:600;color:#fff}

/* footer */
.foot{position:relative;overflow:hidden;background:var(--ink);color:#9a9ca3;border-top:1px solid var(--line-d);padding-top:clamp(56px,7vw,100px)}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:clamp(24px,4vw,64px)}
.f-brand p{margin:18px 0 18px;max-width:30ch;color:#9a9ca3}
.f-brand .brand{color:var(--bone)}
.f-mail{display:inline-block;color:var(--bone);font:700 18px/1.2 var(--head);border-bottom:2px solid var(--cobalt);padding-bottom:3px}.f-mail:hover{color:#fff;background:var(--cobalt)}
.f-col h4{margin:0 0 16px;font:600 11px/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--accent-t)}
.f-col a,.f-col p{display:block;margin:0 0 10px;color:#c9c6bd;font-size:15px;line-height:1.5}
.f-col a:hover{color:#fff;transform:translateX(4px)}.f-col a{transition:color .2s,transform .3s var(--ease)}
.f-col p{color:#9a9ca3}
.f-bar{display:flex;justify-content:space-between;gap:20px;margin-top:clamp(34px,5vw,64px);padding-top:20px;padding-bottom:6px;border-top:1px solid var(--line-d);font:600 11.5px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase}
.f-bar a:hover{color:#fff}
.f-word{margin-top:clamp(10px,2vw,26px);padding:0 var(--pad);font:700 var(--fwm,15vw)/.78 var(--head);letter-spacing:-.02em;color:var(--ink-2);white-space:nowrap;user-select:none;transform:translateY(8%)}
@media (max-width:980px){.f-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.f-grid{grid-template-columns:1fr}.foot{padding-bottom:92px}}

/* documents (offer, privacy, cookies) and sitemap */
.vers{margin:22px 0 0;color:var(--mut)}.fb{margin:12px 0 0;color:var(--mut);max-width:60ch;font-size:15px}
.docgrid{display:grid;grid-template-columns:minmax(200px,280px) minmax(0,760px);gap:clamp(28px,6vw,110px);align-items:start}
.toc{position:sticky;top:calc(var(--navh) + 24px);display:grid;gap:2px;border-left:2px solid var(--fg)}
.toc a{padding:9px 14px;font:500 14px/1.35 var(--sans);color:var(--mut);transition:color .2s,background .2s}.toc a:hover{color:var(--fg);background:rgba(127,127,127,.12)}
.doc h2{margin:2.4em 0 .7em;font:700 clamp(20px,2vw,28px)/1.15 var(--head);letter-spacing:-.01em;text-transform:none}.doc section:first-child h2{margin-top:0}
.doc p{margin:0 0 1em;color:var(--fg);font-size:16.5px;line-height:1.7}
.doc mark{background:none;color:var(--accent-t);font-weight:600;box-shadow:inset 0 -2px 0 var(--accent-t)}
@media (max-width:820px){.docgrid{grid-template-columns:1fr}.toc{position:static;border-left:0;display:flex;flex-wrap:wrap;gap:8px}.toc a{padding:8px 12px;box-shadow:inset 0 0 0 2px var(--fg);border-radius:99px;font-size:13px;color:var(--fg)}}
.sm-row{display:grid;grid-template-columns:56px minmax(0,1fr) minmax(0,1.3fr);gap:18px;align-items:baseline;padding:24px 0;border-top:2px solid var(--fg);transition:background .25s,color .25s,padding .35s var(--ease)}
.sm-row:last-child{border-bottom:2px solid var(--fg)}
.sm-row .n{font:600 12px/1 var(--sans);letter-spacing:.08em;color:var(--accent-t)}
.sm-row .t{font:700 clamp(22px,2.6vw,38px)/1.1 var(--head);letter-spacing:-.01em;text-transform:uppercase}
.sm-row .d{color:var(--mut)}
.sm-row:hover{background:var(--cobalt);color:#fff;padding-left:18px;padding-right:18px}.sm-row:hover .n,.sm-row:hover .d{color:#fff}
.sm-grp{margin:0 0 clamp(36px,5vw,70px)}.sm-grp h2{margin:0 0 16px;font:600 11.5px/1.2 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--accent-t)}
@media (max-width:820px){.sm-row{grid-template-columns:34px 1fr}.sm-row .d{grid-column:2}}

/* sound toggle and tap hint */
.ic-off{display:none}.ibtn[data-off="1"] .ic-on{display:none}.ibtn[data-off="1"] .ic-off{display:block}
.lat-hint{position:absolute;left:0;right:0;bottom:22px;text-align:center;color:#8c8f98;pointer-events:none;margin:0}

/* the dock: app-style navigation, phones only */
.dock{display:none}
/* reveal */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .rv.in{opacity:1;transform:none}
.shot .rv{opacity:1!important;transform:none!important;transition:none!important}.shot .row svg *{stroke-dashoffset:0!important;transition:none!important}.shot .panel h2{transition:none!important}
/* ---------------- loading screen, page wipe, intro ---------------- */
#ld{position:fixed;inset:0;z-index:500;background:var(--ink);color:var(--bone);display:grid;place-items:center;overflow:hidden;transition:transform .9s cubic-bezier(.7,0,.2,1);animation:ldfail 0s 9s forwards}
#ld.out{transform:translateY(-101%);pointer-events:none}
@keyframes ldfail{to{visibility:hidden}}
html.ld-skip #ld{display:none}
.ld-n{position:absolute;left:var(--pad);bottom:var(--pad);margin:0;color:var(--bone)}.ld-n b{font-weight:600}
.ld-t{position:absolute;right:var(--pad);bottom:var(--pad);margin:0;color:#8c8f98}
#wp{position:fixed;inset:0;z-index:450;background:var(--cobalt);display:grid;place-items:center;transform:translateY(100%);transition:transform .46s cubic-bezier(.7,0,.2,1);pointer-events:none}
#wp img{width:46px;opacity:1}
#wp.go{transform:none;pointer-events:auto}
html.wipe-in #wp{transform:none;transition:none;animation:wpfail 0s 4s forwards}
html.wipe-in #wp.out{transform:translateY(-100%);transition:transform .55s cubic-bezier(.7,0,.2,1)}
@keyframes wpfail{to{transform:translateY(-100%)}}
#wp.reset{transition:none!important}
#intro{display:none}
html.intro-on{overflow:hidden}html.intro-on body{overflow:hidden;touch-action:none}
html.intro-on #intro{display:block}
html.intro-on .top,html.intro-on .dock{display:none}
#intro{position:fixed;inset:0;z-index:200;background:var(--ink);color:var(--bone);overscroll-behavior:none;transition:opacity .5s}
#intro canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
#intro.out{opacity:0;pointer-events:none}
.in-scan{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.1) 0 1px,transparent 1px 3px)}
.in-top{position:absolute;left:var(--pad);right:var(--pad);top:calc(16px + env(safe-area-inset-top));display:flex;justify-content:space-between;align-items:center;transition:opacity .4s}
.in-top>span:last-child{display:flex;gap:8px}
.in-brand{display:flex;align-items:center;gap:12px;font:700 14px/1 var(--head);letter-spacing:.14em}.in-brand img{width:26px}
#intro .ibtn:hover{background:var(--bone);color:var(--ink)}
.in-title{position:absolute;left:var(--pad);right:var(--pad);top:70%;transform:translateY(-50%);text-align:center;transition:opacity .6s,transform .8s var(--ease)}
.in-title h1{display:none;margin:0;font:700 clamp(30px,5.2vw,76px)/1 var(--head);letter-spacing:.14em;color:#fff}
.in-title p{margin:16px 0 0;color:#dfe3ff}
.in-enter{position:absolute;left:50%;top:calc(70% + 44px);transform:translateX(-50%);display:inline-flex;align-items:center;gap:14px;height:56px;padding:0 30px;border-radius:99px;border:0;background:var(--bone);color:var(--ink);font:600 15px/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:opacity .5s,transform .5s var(--ease),background .25s,color .25s}
.in-enter:hover{background:var(--cobalt);color:#fff}.in-enter::after{content:"↓";font-size:18px}
#intro.fly .in-title,#intro.fly .in-enter{opacity:0;pointer-events:none}
#intro.fly .in-title{transform:translateY(-70%) scale(.94)}
.in-mid{position:absolute;left:var(--pad);bottom:clamp(60px,14vh,150px);max-width:min(620px,86vw);opacity:0;pointer-events:none}
.in-mid .mono{margin:0 0 14px;color:#dfe3ff}.in-mid h2{margin:0 0 14px;font:700 clamp(30px,5vw,78px)/1 var(--head);letter-spacing:-.02em;text-transform:uppercase}.in-mid p{margin:0;color:#eef0ff;font-size:clamp(15px,1.4vw,19px)}
.in-rail{position:absolute;right:var(--pad);top:50%;height:38vh;width:2px;background:var(--line-d);transform:translateY(-50%);opacity:0;transition:opacity .6s}
#intro.fly .in-rail{opacity:1}
.in-rail i{position:absolute;left:-4px;width:10px;height:2px;background:#8c8f98}.in-rail i:last-of-type{left:-7px;width:16px;height:4px;background:var(--cobalt)}
.in-rail em{position:absolute;left:-5px;top:calc(var(--p,0)*100%);width:12px;height:12px;margin-top:-6px;border-radius:50%;background:var(--bone)}
.in-lab{position:absolute;left:0;top:0;z-index:3;padding:9px 15px;border-radius:99px;background:var(--bone);color:var(--ink);font:600 12px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;pointer-events:none;opacity:0;will-change:transform,opacity}
.in-tel{position:absolute;right:var(--pad);bottom:calc(30px + env(safe-area-inset-bottom));display:grid;gap:7px;text-align:right;color:#dfe3ff;opacity:0;transition:opacity .6s;margin:0}.in-tel b{color:#fff;font-weight:600;display:inline-block;min-width:7ch}
#intro.fly .in-tel{opacity:1}
.in-c{position:absolute;width:22px;height:22px;border:2px solid #dfe3ff;pointer-events:none;opacity:0;transition:opacity .8s}#intro.fly .in-c{opacity:1}
.in-c.tl{left:var(--pad);top:72px;border-right:0;border-bottom:0}.in-c.tr{right:var(--pad);top:72px;border-left:0;border-bottom:0}.in-c.bl{left:var(--pad);bottom:24px;border-right:0;border-top:0}.in-c.br{right:var(--pad);bottom:24px;border-left:0;border-top:0}
.in-hint{position:absolute;left:0;right:0;bottom:calc(30px + env(safe-area-inset-bottom));text-align:center;margin:0;color:#fff;opacity:0;transition:opacity .6s}
#intro.fall .in-top,#intro.fall .in-rail,#intro.fall .in-mid,#intro.fall .in-hint,#intro.fall .in-tel,#intro.fall .in-c{opacity:0!important}
#intro.fall{-webkit-mask-image:radial-gradient(circle at 50% 50%,transparent calc(var(--rr,0)*1vmax),#000 calc(var(--rr,0)*1vmax + 2px));mask-image:radial-gradient(circle at 50% 50%,transparent calc(var(--rr,0)*1vmax),#000 calc(var(--rr,0)*1vmax + 2px))}
@media (max-width:820px){.in-tel{display:none}.in-c{display:none}.in-title{top:66%}.in-enter{top:calc(66% + 44px)}.in-rail{height:30vh}.in-mid{bottom:clamp(70px,16vh,150px)}}

/* ---------------- phones: a different layout, not a squeezed desktop ---------------- */
@media (max-width:820px){
  :root{--navh:calc(56px + env(safe-area-inset-top))}
  .top{padding-top:env(safe-area-inset-top)}.top nav>a{display:none}.top nav{margin-left:auto}
  /* hero: the wordmark runs up the left edge like a spine, the lens follows the finger (or the tilt of the phone) */
  .hero{cursor:auto;touch-action:pan-y}.hint{display:none}
  .wm{top:var(--wmy,92%);left:var(--pad);transform:rotate(-90deg);transform-origin:0 0}
  .eyebrow{left:calc(var(--pad) + var(--wml,120px) + 16px);right:var(--pad);top:26px;line-height:1.5}
  .hero-foot{left:calc(var(--pad) + var(--wml,120px) + 16px);flex-direction:column;align-items:flex-start;bottom:calc(98px + env(safe-area-inset-bottom));gap:18px}
  .hero-foot .sub{display:none}.tag{font-size:clamp(19px,5.4vw,26px);margin:0}
  .cta{flex-direction:column;align-items:flex-start;gap:14px}.L.b .hero-foot{display:none}
  .lat{min-height:70svh}.lat-t{padding-top:46px}
  .lat-hint{bottom:104px}
  .sec{padding:clamp(64px,16vw,96px) 0}.sec.head{padding-top:44px}
  .h2{font-size:clamp(28px,8.6vw,44px)}
  /* dock */
  .dock{display:flex;position:fixed;z-index:60;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));height:64px;padding:6px;gap:4px;background:var(--ink);color:var(--bone);border-radius:99px;box-shadow:0 0 0 1px var(--line-d)}
  .dock a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border-radius:99px;font:600 9.5px/1 var(--sans);letter-spacing:.05em;text-transform:uppercase;color:#9a9ca3;transition:background .25s,color .25s}
  .dock a .i{width:20px;height:20px}
  .dock a.on{background:var(--cobalt);color:#fff}
  .dock a:active{transform:scale(.95)}
  body{padding-bottom:0}
  .f-word{font-size:var(--fwm,22vw)}
  .cap-st{height:46svh}.panel{min-height:78svh}
}
@media (max-width:820px) and (max-height:700px){.hero-foot{bottom:calc(84px + env(safe-area-inset-bottom))}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}.row svg *{stroke-dashoffset:0}}