/* =====================================================================
   EKSTRA STAR — Textile technology & advanced fibres
   Dark indigo · holographic cyan/violet/lime · Syne display · woven fibres
   ===================================================================== */

:root{
  --bg:#070912;
  --bg-2:#0c1020;
  --panel:#10142a;
  --ink:#eef0ff;
  --ink-2:#9aa0c4;
  --ink-3:#8086ac;
  --c1:#36e0d4;
  --c2:#7b6cff;
  --c3:#c6ff5e;
  --line:rgba(150,160,220,.14);
  --grad:linear-gradient(100deg,#36e0d4,#7b6cff 55%,#c6ff5e);
  --maxw:1320px;
  --ease:cubic-bezier(.22,1,.36,1);
  --disp:'Syne',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;overflow-x:clip;background:var(--bg);scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--body);background:transparent;color:var(--ink);line-height:1.6;
  overflow-x:clip;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.lock{overflow:hidden}
.three-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;display:block}
svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{list-style:none}
::selection{background:var(--c2);color:#fff}

/* ---- type ---- */
.h2{font-family:var(--disp);font-weight:700;font-size:clamp(2rem,5vw,4rem);line-height:1.02;letter-spacing:-.01em}
.lead{color:var(--ink-2);font-size:clamp(1rem,1.4vw,1.15rem);max-width:480px}
.tag{display:inline-block;font:500 12px/1 var(--mono);letter-spacing:.06em;color:var(--c1);margin-bottom:20px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.ar{font:600 14px/1 var(--body);color:var(--ink-2);transition:color .3s}.ar:hover{color:var(--c1)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:1.05em 2em;border-radius:40px;
  font:600 13px/1 var(--body);letter-spacing:.02em;color:#070912;background:var(--c1);position:relative;
  transition:transform .4s var(--ease),box-shadow .4s}
.btn::before{content:"";position:absolute;inset:0;border-radius:40px;background:var(--grad);opacity:0;transition:opacity .4s;z-index:-1}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 40px -12px rgba(123,108,255,.7)}
.btn--block{width:100%}

/* ---- preloader ---- */
.boot{position:fixed;inset:0;z-index:1000;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px}
.boot__star{width:90px;height:90px;filter:drop-shadow(0 0 12px rgba(54,224,212,.6))}
.bs{fill:none;stroke:var(--c1);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:62;stroke-dashoffset:62;animation:draw 1s var(--ease) forwards}
.bs:nth-child(2){stroke:var(--c2);animation-delay:.18s}.bs:nth-child(3){stroke:var(--c3);animation-delay:.32s}
.bsd{fill:var(--ink);opacity:0;animation:fi .5s ease .9s forwards}
@keyframes draw{to{stroke-dashoffset:0}}@keyframes fi{to{opacity:1}}
.boot__t{font-family:var(--disp);font-weight:700;font-size:18px;letter-spacing:.32em;opacity:0;animation:fi .7s ease 1s forwards}
.boot.done{transform:translateY(-101%);transition:transform .9s var(--ease)}

/* ---- header ---- */
.nav{position:fixed;top:0;left:0;width:100%;z-index:200;display:flex;align-items:center;justify-content:space-between;
  padding:20px clamp(18px,4vw,60px);transition:padding .35s var(--ease),background .35s,backdrop-filter .35s,box-shadow .35s}
.nav.sc{padding:12px clamp(18px,4vw,60px);background:rgba(7,9,18,.78);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.logo{display:flex;align-items:center;gap:10px}
.logo__s{width:30px;height:30px}
.lss{fill:none;stroke-width:2.4;stroke-linecap:round}
.lss:nth-child(1){stroke:var(--c1)}.lss:nth-child(2){stroke:var(--c2)}.lss:nth-child(3){stroke:var(--c3)}
.logo__t{font-family:var(--disp);font-weight:800;font-size:18px;letter-spacing:.04em}
.logo__t i{font-style:normal;color:var(--c1);margin-left:4px}
.nav__l{display:flex;gap:28px}
.nav__l a{position:relative;font:500 13px/1 var(--mono);letter-spacing:.02em;color:var(--ink-2);transition:color .3s}
.nav__l a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;background:var(--grad);transition:width .4s var(--ease)}
.nav__l a:hover{color:var(--ink)}.nav__l a:hover::after{width:100%}
.nav__r{display:flex;align-items:center;gap:18px}
.lang{display:flex;align-items:center;gap:8px;font:500 12px/1 var(--mono)}
.lang span{width:1px;height:11px;background:var(--ink-3)}
.lang button{color:var(--ink-3);transition:color .3s}.lang button.on{color:var(--ink)}
.cta{font:600 12px/1 var(--body);letter-spacing:.02em;padding:.85em 1.5em;border:1px solid var(--line);border-radius:40px;color:var(--ink);transition:border-color .3s,color .3s,background .3s}
.cta:hover{border-color:var(--c1);color:var(--c1)}
.burger{display:none;flex-direction:column;gap:6px;width:30px;height:22px;justify-content:center;align-items:flex-end}
.burger span{height:2px;background:var(--ink);transition:.4s var(--ease)}
.burger span:nth-child(1){width:26px}.burger span:nth-child(2){width:18px}
.burger.x span:nth-child(1){transform:translateY(4px) rotate(45deg);width:24px}
.burger.x span:nth-child(2){transform:translateY(-4px) rotate(-45deg);width:24px}

/* ---- mobile menu ---- */
.mm{position:fixed;inset:0;z-index:190;background:var(--bg-2);display:flex;flex-direction:column;justify-content:center;gap:6px;
  padding:0 30px;clip-path:inset(0 0 100% 0);transition:clip-path .7s var(--ease);pointer-events:none}
.mm.open{clip-path:inset(0 0 0 0);pointer-events:auto}
.mm nav{display:flex;flex-direction:column;gap:4px}
.mm nav a{font-family:var(--disp);font-weight:700;font-size:9vw;line-height:1.1;color:var(--ink);transition:color .3s,padding-left .35s var(--ease)}
.mm nav a:hover{color:var(--c1);padding-left:10px}
.mm__ph{margin-top:32px;font:500 16px/1 var(--mono);color:var(--c1)}

/* ---- hero ---- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px clamp(18px,4vw,60px) 70px}
.hero__c{max-width:var(--maxw);width:100%;margin:0 auto}
.badge{display:inline-flex;align-items:center;gap:10px;font:500 12px/1 var(--mono);letter-spacing:.05em;color:var(--ink-2);
  padding:8px 14px;border:1px solid var(--line);border-radius:40px;background:rgba(16,20,42,.5);margin-bottom:28px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--c1);box-shadow:0 0 12px var(--c1);animation:pl 1.8s infinite}
@keyframes pl{0%,100%{opacity:1}50%{opacity:.35}}
.hero__h{font-family:var(--disp);font-weight:800;font-size:clamp(2.8rem,9vw,7.2rem);line-height:.98;letter-spacing:-.02em}
.hero__h span{display:block}
.hero__p{max-width:560px;color:var(--ink-2);margin:28px 0 36px;font-size:clamp(1rem,1.4vw,1.18rem)}
.hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-bottom:54px}
.hero__ro{display:flex;flex-wrap:wrap;gap:clamp(24px,5vw,64px);border-top:1px solid var(--line);padding-top:28px}
.hero__ro>div{display:flex;flex-direction:column;gap:4px}
.hero__ro b{font-family:var(--disp);font-weight:700;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1;display:inline}
.hero__ro i{font-style:normal;color:var(--c1)}
.hero__ro span{font:400 11px/1.4 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);margin-top:4px}

/* ---- statement ---- */
.state{max-width:1100px;margin:0 auto;padding:clamp(80px,13vw,180px) clamp(18px,4vw,60px)}
.state__t{font-family:var(--disp);font-weight:600;font-size:clamp(1.6rem,4vw,3rem);line-height:1.22;letter-spacing:-.01em}
.state__t span{display:block}
.state__t .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
[data-word]{opacity:.16;transition:opacity .7s var(--ease)}
[data-word].lit{opacity:1}

/* ---- section head ---- */
.sec-h{max-width:var(--maxw);margin:0 auto 54px;padding:0 clamp(18px,4vw,60px)}

/* ---- technologies ---- */
.tech{padding:clamp(50px,8vw,110px) 0}
.tech__grid{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,60px);display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.6vw,22px)}
.tc{position:relative;background:linear-gradient(180deg,rgba(16,20,42,.7),rgba(12,16,32,.4));border:1px solid var(--line);border-radius:14px;
  padding:clamp(24px,2.6vw,36px);min-height:230px;display:flex;flex-direction:column;gap:12px;overflow:hidden;transition:transform .5s var(--ease),border-color .4s}
.tc::before{content:"";position:absolute;inset:0;border-radius:14px;padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.tc:hover{transform:translateY(-6px)}
.tc:hover::before{opacity:1}
.tc__n{font:500 12px/1 var(--mono);color:var(--c1)}
.tc h3{font-family:var(--disp);font-weight:700;font-size:1.4rem;letter-spacing:-.01em}
.tc p{color:var(--ink-2);font-size:.95rem;flex:1}
.tc__tag{font:400 11px/1 var(--mono);letter-spacing:.04em;color:var(--ink-3);padding-top:12px;border-top:1px solid var(--line)}

/* ---- fibre science ---- */
.sci{max-width:var(--maxw);margin:0 auto;padding:clamp(60px,9vw,130px) clamp(18px,4vw,60px);display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,90px);align-items:center}
.sci__c .lead{margin:22px 0 32px}
.sci__list{display:grid;gap:18px}
.sci__list li{display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start;border-top:1px solid var(--line);padding-top:18px}
.sci__list b{font:500 14px/1 var(--mono);color:var(--c2)}
.sci__list h4{font-family:var(--disp);font-weight:600;font-size:1.1rem;margin-bottom:5px}
.sci__list p{color:var(--ink-2);font-size:.94rem}
.sci__viz{position:relative;background:linear-gradient(180deg,rgba(16,20,42,.6),rgba(7,9,18,.4));border:1px solid var(--line);border-radius:18px;padding:clamp(24px,3vw,40px)}
.weave{width:100%;height:auto;filter:drop-shadow(0 0 8px rgba(123,108,255,.25))}
.sci__readout{display:grid;gap:12px;margin-top:24px}
.rr{display:grid;grid-template-columns:70px 1fr 50px;align-items:center;gap:12px;font:500 11px/1 var(--mono);letter-spacing:.06em;color:var(--ink-2)}
.rr .rb{height:5px;background:rgba(150,160,220,.16);border-radius:5px;position:relative;overflow:hidden}
.rr .rb::after{content:"";position:absolute;inset:0;width:calc(var(--v)*100%);background:var(--grad);border-radius:5px;transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease)}
.sci__viz.in .rr .rb::after{transform:scaleX(1)}
.rr b{text-align:right;color:var(--c1)}

/* ---- applications ---- */
.app{padding:clamp(50px,8vw,110px) 0}
.app__grid{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,60px);display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.ac{background:var(--bg);padding:clamp(26px,3vw,40px);display:flex;flex-direction:column;gap:10px;transition:background .4s}
.ac:hover{background:var(--bg-2)}
.ac h4{font-family:var(--disp);font-weight:600;font-size:1.2rem}
.ac p{color:var(--ink-2);font-size:.93rem}

/* ---- process ---- */
.proc{padding:clamp(50px,8vw,110px) 0}
.proc__flow{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,60px);display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(12px,1.5vw,20px)}
.ps{position:relative;padding-top:24px;border-top:2px solid var(--line)}
.ps::before{content:"";position:absolute;top:-2px;left:0;width:30%;height:2px;background:var(--grad)}
.ps span{font:500 12px/1 var(--mono);color:var(--c1)}
.ps h3{font-family:var(--disp);font-weight:700;font-size:1.2rem;margin:8px 0 8px}
.ps p{color:var(--ink-2);font-size:.9rem}

/* ---- kpi ---- */
.kpi{max-width:var(--maxw);margin:0 auto;padding:clamp(50px,7vw,90px) clamp(18px,4vw,60px);display:grid;grid-template-columns:repeat(4,1fr);gap:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kc{display:flex;flex-direction:column;gap:8px}
.kc b{font-family:var(--disp);font-weight:800;font-size:clamp(2.4rem,5vw,4rem);line-height:1;letter-spacing:-.02em}
.kc span{font:400 12px/1.4 var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3)}

/* ---- contact ---- */
.ct{max-width:var(--maxw);margin:0 auto;padding:clamp(60px,9vw,130px) clamp(18px,4vw,60px);display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px)}
.ct__c .lead{margin:22px 0 36px}
.ct__info{display:grid;gap:18px}
.ct__info li{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line);padding-top:14px}
.ct__info span{font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.ct__info a{font-size:1.02rem;transition:color .3s}.ct__info a:hover{color:var(--c1)}
.ct__form{display:grid;grid-template-columns:1fr 1fr;gap:24px 20px;align-content:start;background:linear-gradient(180deg,rgba(16,20,42,.5),rgba(7,9,18,.3));border:1px solid var(--line);border-radius:18px;padding:clamp(24px,3vw,40px)}
.fl{position:relative}.fl--full{grid-column:1/-1}
.fl input,.fl select,.fl textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);padding:12px 0 10px;color:var(--ink);font:400 1rem var(--body);transition:border-color .3s}
.fl select option{background:var(--bg-2);color:var(--ink)}
.fl textarea{resize:vertical}
.fl input:focus,.fl select:focus,.fl textarea:focus{outline:none;border-color:var(--c1)}
.fl label{position:absolute;left:0;top:12px;color:var(--ink-3);pointer-events:none;transition:transform .3s var(--ease),font-size .3s,color .3s}
.fl input:focus+label,.fl input:not(:placeholder-shown)+label,.fl textarea:focus+label,.fl textarea:not(:placeholder-shown)+label,.fl .st{transform:translateY(-22px);font:500 11px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--c1)}
.st{top:12px}
.note{grid-column:1/-1;font:500 13px var(--mono);color:var(--c3);min-height:18px}
.note.err{color:#ff7a93}

/* ---- footer ---- */
.ft{border-top:1px solid var(--line);padding:clamp(46px,6vw,80px) clamp(18px,4vw,60px) 30px}
.ft__top{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.3fr 2fr;gap:40px}
.ft__logo{font-family:var(--disp);font-weight:800;font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:.02em}
.ft__logo i{font-style:normal;color:var(--c1);margin-left:4px}
.ft__brand p{color:var(--ink-2);max-width:280px;margin-top:16px;font-size:.95rem}
.ft__cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ft__cols h5{font:500 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:16px}
.ft__cols a{display:block;color:var(--ink-2);margin-bottom:10px;font-size:.94rem;transition:color .3s}
.ft__cols a:hover{color:var(--c1)}
.ft__btm{max-width:var(--maxw);margin:46px auto 0;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font:400 12px var(--mono);color:var(--ink-3)}

/* ---- reveal ---- */
[data-rv]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-rv].in{opacity:1;transform:none}

/* ---- legal ---- */
.legal{max-width:840px;margin:0 auto;padding:150px clamp(18px,4vw,40px) 100px}
.legal h1{font-family:var(--disp);font-weight:800;font-size:clamp(2rem,6vw,3.4rem);letter-spacing:-.01em;margin-bottom:12px}
.legal .upd{font:500 12px var(--mono);color:var(--ink-3);letter-spacing:.04em;margin-bottom:46px}
.legal h2{font-family:var(--disp);font-weight:600;font-size:1.4rem;margin:38px 0 12px}
.legal p,.legal li{color:var(--ink-2);margin-bottom:14px}
.legal ul{padding-left:22px;list-style:disc}
.legal a{color:var(--c1)}
.legal .back{display:inline-flex;gap:8px;margin-bottom:40px;font:500 12px var(--mono);letter-spacing:.04em;color:var(--ink-2)}

/* ---- focus ---- */
a:focus-visible,button:focus-visible,.fl input:focus-visible,.fl select:focus-visible,.fl textarea:focus-visible{outline:2px solid var(--c1);outline-offset:3px;border-radius:2px}

/* =================== RESPONSIVE =================== */
@media (max-width:1024px){
  .nav__l,.cta{display:none}
  .burger{display:flex}
  .tech__grid,.app__grid{grid-template-columns:repeat(2,1fr)}
  .sci,.ct{grid-template-columns:1fr}
  .proc__flow{grid-template-columns:repeat(2,1fr);gap:24px}
  .ft__top{grid-template-columns:1fr}
}
@media (max-width:640px){
  .nav{padding:14px 18px}
  .hero{padding:110px 18px 60px}
  .tech__grid,.app__grid{grid-template-columns:1fr}
  .proc__flow{grid-template-columns:1fr}
  .kpi{grid-template-columns:1fr 1fr;gap:26px}
  .ct__form{grid-template-columns:1fr}
  .ft__cols{grid-template-columns:1fr 1fr}
  .ft__btm{flex-direction:column;gap:8px}
}
@media (max-width:420px){
  .kpi{grid-template-columns:1fr 1fr}
  .ft__cols{grid-template-columns:1fr}
}

/* ---- reduced motion ---- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}