/* Layout concept: an engineering document. Hairline 12-col grid, a left rail carrying
   section indices and coordinates, square frames, schematic line art. Red = signal only. */
:root{
  --bg0:#050505; --bg1:#080808; --bg2:#0D0D0D; --bg3:#121212;
  --fg:#FFFFFF; --fg2:#A8A8A8; --fg3:#6E6E6E;
  --ln:#252525; --ln2:#333333; --ln3:#4a4a4a;
  --red:#E10600; --red-dim:rgba(225,6,0,.16);
  --sk:#D6D6D6; --sk2:#555555; --sk3:#2E2E2E;
  --display:"Fira Sans Extra Condensed","Arial Narrow","Roboto Condensed",Impact,sans-serif;
  --body:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --gutter:clamp(16px,4vw,48px);
  --maxw:1400px;
  --hdr:68px;
  --ease:cubic-bezier(.2,.7,.1,1);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg0);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
img{max-width:100%;display:block}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:1px solid var(--red);outline-offset:3px}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

/* ---------- type ---------- */
.lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fg2);line-height:1.5}
.lbl.dim{color:var(--fg3)}
.lbl .r,.r{color:var(--red)}
.d-xxl,.d-xl,.d-l,.d-m{font-family:var(--display);text-transform:uppercase;line-height:.9;letter-spacing:.005em;margin:0;text-wrap:balance;font-weight:800}
.d-xxl{font-size:clamp(3.1rem,12.5vw,10rem)}
.d-xl{font-size:clamp(2.6rem,7.4vw,6.4rem)}
.d-l{font-size:clamp(2rem,4.6vw,3.8rem);line-height:.95}
.d-m{font-size:clamp(1.5rem,2.4vw,2rem);line-height:1;font-weight:700}
.muted{color:var(--fg2)}
.lead{font-size:clamp(1.05rem,1.4vw,1.25rem);line-height:1.55;color:var(--fg2);max-width:36em;margin:0}
p{margin:0}
.dot{display:inline-block;width:6px;height:6px;background:var(--red);vertical-align:middle;margin-right:.7em;transform:translateY(-1px)}
.dot.blink{animation:blink 2.4s steps(1) infinite}
@keyframes blink{0%,70%{opacity:1}71%,100%{opacity:.15}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.9em;min-height:52px;padding:0 1.5em;font-family:var(--mono);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;border:1px solid var(--fg);background:var(--fg);color:var(--bg0);transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease)}
.btn:hover{background:var(--red);border-color:var(--red);color:#fff}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--ln3)}
.btn.ghost:hover{border-color:var(--red);color:var(--fg);background:transparent}
.btn .arr{display:inline-block;transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.link{font-family:var(--mono);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;display:inline-flex;gap:.8em;align-items:center;min-height:44px}
.link .arr{color:var(--red);transition:transform .3s var(--ease)}
.link:hover .arr{transform:translateX(4px)}

/* ---------- header ---------- */
.hdr{position:fixed;top:0;left:0;right:0;z-index:50;padding-top:env(safe-area-inset-top,0px);transition:background .35s var(--ease),border-color .35s var(--ease);border-bottom:1px solid transparent}
.hdr.solid,.hdr.menu-open{background:var(--bg0);border-bottom-color:var(--ln)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:var(--hdr);gap:24px}
.brand{display:flex;align-items:center;gap:14px;min-height:44px}
.brand .mk{width:40px;height:40px;border:1px solid var(--fg);display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:1.15rem;letter-spacing:.02em;position:relative}
.brand .mk::after{content:"";position:absolute;right:-1px;bottom:-1px;width:6px;height:6px;background:var(--red)}
.brand .nm{font-family:var(--display);font-weight:800;font-size:1.2rem;letter-spacing:.12em;line-height:1}
.brand .nm small{display:block;font-family:var(--mono);font-weight:400;font-size:.56rem;letter-spacing:.24em;color:var(--fg3);margin-top:5px}
.nav{display:none;gap:clamp(20px,2.6vw,40px)}
.nav a{font-family:var(--mono);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fg2);padding:10px 0;position:relative;transition:color .2s}
.nav a:hover{color:var(--fg)}
.nav a.on{color:var(--fg)}
.nav a.on::before{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--red)}
.hdr-r{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid var(--ln2);font-family:var(--mono);font-size:.7rem;letter-spacing:.14em}
.lang button{min-width:44px;min-height:40px;color:var(--fg3);transition:color .2s}
.lang button.on{color:var(--fg);box-shadow:inset 0 -1px 0 var(--red)}
.hdr .btn{min-height:42px;padding:0 1.1em;font-size:.7rem;display:none}
.burger{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--ln2)}
.burger span{display:block;width:18px;height:1px;background:var(--fg);position:relative;transition:background .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1px;background:var(--fg);transition:transform .3s var(--ease)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.menu-open .burger span{background:transparent}
.menu-open .burger span::before{transform:translateY(6px) rotate(45deg)}
.menu-open .burger span::after{transform:translateY(-6px) rotate(-45deg)}
.mnav{position:fixed;inset:0;top:calc(var(--hdr) + env(safe-area-inset-top,0px));background:var(--bg0);z-index:49;display:flex;flex-direction:column;padding:28px var(--gutter) calc(28px + env(safe-area-inset-bottom,0px));overflow-y:auto}
.mnav a.big{font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(2.4rem,11vw,4rem);line-height:1;padding:14px 0;border-bottom:1px solid var(--ln);display:flex;justify-content:space-between;align-items:baseline}
.mnav a.big small{font-family:var(--mono);font-size:.7rem;font-weight:400;letter-spacing:.2em;color:var(--fg3)}
.mnav a.big.on{color:var(--fg)}
.mnav a.big.on small{color:var(--red)}
.mnav .foot{margin-top:auto;padding-top:32px;display:grid;gap:12px}
@media (min-width:980px){.nav{display:flex}.hdr .btn{display:inline-flex}.burger{display:none}.mnav{display:none}}

/* ---------- sections ---------- */
main{display:block;min-height:60vh}
.sec{padding-block:clamp(80px,11vw,160px);border-top:1px solid var(--ln);position:relative}
.sec.alt{background:var(--bg1)}
.shead{display:grid;gap:22px;margin-bottom:clamp(44px,6vw,80px)}
.shead .idx{display:flex;align-items:center;gap:14px}
.shead .idx::after{content:"";flex:1;height:1px;background:var(--ln);max-width:160px}
@media (min-width:980px){
  .shead{grid-template-columns:260px 1fr;align-items:start}
  .shead .idx{padding-top:.9em}
}
.shead .body{display:grid;gap:24px;min-width:0}

/* technical grid backdrop */
.grid-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--ln) 1px,transparent 1px),linear-gradient(90deg,var(--ln) 1px,transparent 1px);background-size:80px 80px;opacity:.28;mask-image:radial-gradient(ellipse at 60% 40%,#000 0%,transparent 72%);-webkit-mask-image:radial-gradient(ellipse at 60% 40%,#000 0%,transparent 72%)}

/* corner brackets (targeting frame) */
.brk{position:relative}
.brk>.c{position:absolute;width:14px;height:14px;border-color:var(--ln3);border-style:solid;pointer-events:none;transition:border-color .3s var(--ease),transform .3s var(--ease)}
.brk>.c.tl{top:-1px;left:-1px;border-width:1px 0 0 1px}
.brk>.c.tr{top:-1px;right:-1px;border-width:1px 1px 0 0}
.brk>.c.bl{bottom:-1px;left:-1px;border-width:0 0 1px 1px}
.brk>.c.br{bottom:-1px;right:-1px;border-width:0 1px 1px 0}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;padding-top:calc(var(--hdr) + env(safe-area-inset-top,0px));overflow:hidden;background:var(--bg0)}
.hero .atmo{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 70% 60% at 72% 42%,rgba(255,255,255,.05),transparent 70%),radial-gradient(ellipse 50% 40% at 15% 90%,rgba(255,255,255,.025),transparent 70%)}
.hero .rings{position:absolute;right:-18vmin;top:50%;width:min(110vmin,1100px);aspect-ratio:1;transform:translateY(-50%);pointer-events:none;opacity:.9}
.hero .rings svg{width:100%;height:100%}
.hero .rings .rg{fill:none;stroke:var(--ln);stroke-width:1}
.hero .rings .rg2{fill:none;stroke:var(--ln2);stroke-width:1;stroke-dasharray:2 7}
.hero .rings .tk{stroke:var(--ln3);stroke-width:1}
.hero .rings .sweep{transform-origin:500px 500px;animation:sweep 14s linear infinite}
@keyframes sweep{to{transform:rotate(360deg)}}
.hero .rings .draw{stroke-dasharray:3200;stroke-dashoffset:3200;animation:draw 2.8s var(--ease) .2s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.hero-in{position:relative;flex:1;width:100%;display:flex;flex-direction:column;justify-content:center;padding-block:clamp(40px,8vh,96px)}
.hero .coord{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:clamp(28px,5vh,56px)}
.hero h1{margin:0}
.hero h1 span{display:block;overflow:hidden}
.hero h1 span i{display:block;font-style:normal;animation:rise 1.1s var(--ease) both}
.hero h1 span:nth-child(2) i{animation-delay:.08s}
.hero h1 span:nth-child(3) i{animation-delay:.16s}
@keyframes rise{from{transform:translateY(102%)}to{transform:none}}
.hero .sub{display:grid;gap:28px;margin-top:clamp(28px,5vh,52px)}
@media (min-width:880px){.hero .sub{grid-template-columns:minmax(0,32em) auto;align-items:end;justify-content:space-between}}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .tag{font-family:var(--mono);font-size:.74rem;letter-spacing:.22em;color:var(--fg);line-height:1.8}
.hero-idx{position:relative;border-top:1px solid var(--ln);display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.hero-idx a{padding:18px 16px 18px 0;border-bottom:1px solid var(--ln);display:flex;gap:10px;align-items:baseline;font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg2);min-height:56px;transition:color .2s}
.hero-idx a b{font-weight:500;color:var(--fg3)}
.hero-idx a:hover{color:var(--fg)}
.hero-idx a:hover b{color:var(--red)}
@media (min-width:880px){.hero-idx{grid-template-columns:repeat(5,minmax(0,1fr))}.hero-idx a{border-bottom:0;border-right:1px solid var(--ln);padding:22px 18px}.hero-idx a:first-child{padding-left:0}.hero-idx a:last-child{border-right:0}}
.xhair{position:absolute;left:0;top:0;width:44px;height:44px;pointer-events:none;z-index:1;opacity:.75;will-change:transform}
.xhair::before,.xhair::after{content:"";position:absolute;background:var(--red)}
.xhair::before{left:50%;top:0;bottom:0;width:1px}
.xhair::after{top:50%;left:0;right:0;height:1px}
.xhair span{position:absolute;inset:14px;border:1px solid var(--red)}
.xhair em{position:absolute;left:30px;top:-18px;font-family:var(--mono);font-style:normal;font-size:.6rem;letter-spacing:.14em;color:var(--fg3);white-space:nowrap}

/* ---------- capability cards ---------- */
.caps{display:grid;gap:1px;background:var(--ln);border:1px solid var(--ln)}
@media (min-width:680px){.caps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1100px){.caps{grid-template-columns:repeat(3,minmax(0,1fr))}}
.cap{background:var(--bg0);padding:clamp(22px,2.6vw,34px);display:flex;flex-direction:column;gap:22px;min-height:100%;transition:background .3s var(--ease);position:relative}
.cap:hover{background:var(--bg2)}
.cap:hover>.c{border-color:var(--red)}
.cap .top{display:flex;justify-content:space-between;gap:12px}
.cap .pic{aspect-ratio:16/9;max-width:100%;margin-inline:-6px}
.cap h3{margin:0;font-family:var(--display);font-weight:800;font-size:clamp(1.6rem,2.3vw,2.1rem);line-height:.95;text-transform:uppercase;text-wrap:balance}
.cap ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px}
.cap li{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--fg2);text-transform:uppercase}
.cap .go{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px solid var(--ln)}
.cap .go .arr{color:var(--fg3);transition:color .2s,transform .3s var(--ease)}
.cap:hover .go .arr{color:var(--red);transform:translateX(4px)}

/* ---------- product cards ---------- */
.pgrid{display:grid;gap:clamp(14px,1.6vw,22px)}
@media (min-width:640px){.pgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1180px){.pgrid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.pgrid.three{grid-template-columns:repeat(3,minmax(0,1fr))}}
.pc{display:flex;flex-direction:column;border:1px solid var(--ln);background:var(--bg0);transition:border-color .3s var(--ease),background .3s var(--ease)}
.pc:hover{border-color:var(--ln3);background:var(--bg1)}
.pc:hover>.c{border-color:var(--red)}
.pc .img{aspect-ratio:4/3;max-width:100%;background:var(--bg0);border-bottom:1px solid var(--ln);position:relative;overflow:hidden}
.pc .img .sch{transition:transform 1.2s var(--ease)}
.pc:hover .img .sch{transform:scale(1.035)}
.pc .img .tagc{position:absolute;left:12px;top:10px}
.pc .img .tagv{position:absolute;right:12px;top:10px}
.pc .meta{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pc h3{margin:0;font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(1.9rem,2.6vw,2.3rem);line-height:.92;overflow-wrap:anywhere}
.pc p{color:var(--fg2);font-size:.94rem;line-height:1.5}
.pc .go{margin-top:auto;padding-top:14px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--ln)}
.pc .go .arr{color:var(--fg3);transition:color .2s,transform .3s var(--ease)}
.pc:hover .go .arr{color:var(--red);transform:translateX(4px)}
.pc.eng .img{display:grid;place-items:center}

/* ---------- schematic svg ---------- */
.sch{width:100%;height:100%;display:block}
.sch .s{fill:none;stroke:var(--sk);stroke-width:1.2;vector-effect:non-scaling-stroke}
.sch .m{fill:none;stroke:var(--sk2);stroke-width:1;vector-effect:non-scaling-stroke}
.sch .d{fill:rgba(255,255,255,.018);stroke:var(--sk3);stroke-width:1;vector-effect:non-scaling-stroke}
.sch .f{fill:var(--bg1);stroke:var(--sk);stroke-width:1.2;vector-effect:non-scaling-stroke}
.sch .ff{fill:#1a1a1a;stroke:none}
.sch .r{fill:none;stroke:var(--red);stroke-width:1.2;vector-effect:non-scaling-stroke}
.sch .rf{fill:var(--red)}
.sch .ao{stroke:var(--sk);stroke-width:13;stroke-linecap:round;fill:none}
.sch .ai{stroke:var(--bg1);stroke-width:10.6;stroke-linecap:round;fill:none}
.sch text{font-family:var(--mono);font-size:11px;letter-spacing:.14em;fill:#7a7a7a}
.sch text.w{fill:#bdbdbd}
.sch .spin{transform-box:fill-box;transform-origin:center;animation:sweep 9s linear infinite}
.sch .pulse,.blinkc{animation:blink 2.4s steps(1) infinite}
@media (max-width:420px){.brand .nm small{display:none}.brand .nm{font-size:1.05rem}}

/* ---------- filters ---------- */
.filters{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:28px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.filters button{flex:none;min-height:46px;padding:0 18px;border:1px solid var(--ln2);font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg2);display:flex;gap:10px;align-items:center;transition:border-color .2s,color .2s}
.filters button:hover{color:var(--fg);border-color:var(--ln3)}
.filters button.on{color:var(--fg);border-color:var(--fg)}
.filters button.on::before{content:"";width:5px;height:5px;background:var(--red)}
.filters button em{font-style:normal;color:var(--fg3)}
.fcount{display:flex;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}

/* ---------- ecosystem ---------- */
.eco{display:grid;gap:0;position:relative}
@media (min-width:980px){.eco{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stage{position:relative;padding:28px 0 36px 44px;border-left:1px solid var(--ln)}
.stage::before{content:"";position:absolute;left:-5px;top:36px;width:9px;height:9px;border:1px solid var(--fg);background:var(--bg0)}
.stage:last-child::before{background:var(--red);border-color:var(--red)}
.stage .v{font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(2.4rem,4vw,3.4rem);line-height:.9;margin:10px 0 14px}
.stage p{color:var(--fg2);font-size:.95rem;max-width:22em}
.stage .sys{display:grid;gap:8px;margin-top:22px}
.stage .sys a{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:48px;padding:10px 14px;border:1px solid var(--ln2);font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;transition:border-color .2s,background .2s}
.stage .sys a:hover{border-color:var(--red);background:var(--bg2)}
.stage .sys a small{color:var(--fg3);font-size:.62rem;letter-spacing:.12em}
.stage .arrow{position:absolute;left:-1px;bottom:-1px;font-family:var(--mono);color:var(--fg3);display:none}
@media (min-width:980px){
  .stage{border-left:0;border-top:1px solid var(--ln);padding:44px 28px 0 0}
  .stage::before{left:0;top:-5px}
  .eco .track{position:absolute;left:0;right:0;top:-1px;height:1px;overflow:hidden;pointer-events:none}
  .eco .track i{position:absolute;top:0;left:-12%;width:12%;height:1px;background:linear-gradient(90deg,transparent,var(--red));animation:track 6s linear infinite}
}
@keyframes track{to{left:100%}}

/* ---------- engineering ---------- */
.eng-grid{display:grid;gap:48px}
@media (min-width:980px){.eng-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px}}
.cl{list-style:none;margin:0;padding:0;border-top:1px solid var(--ln)}
.cl li{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--ln);font-family:var(--display);font-weight:700;font-size:clamp(1.3rem,2vw,1.6rem);text-transform:uppercase;line-height:1.05}
.cl li::before{content:"";flex:none;width:11px;height:11px;background:linear-gradient(var(--fg3),var(--fg3)) center/1px 100% no-repeat,linear-gradient(var(--fg3),var(--fg3)) center/100% 1px no-repeat;transition:background .2s}
.cl li:hover::before{background:linear-gradient(var(--red),var(--red)) center/1px 100% no-repeat,linear-gradient(var(--red),var(--red)) center/100% 1px no-repeat}

/* ---------- why ---------- */
.why{display:grid;border-top:1px solid var(--ln)}
@media (min-width:880px){.why{grid-template-columns:repeat(2,minmax(0,1fr))}}
.why>div{padding:clamp(28px,4vw,52px) 0;border-bottom:1px solid var(--ln);display:grid;gap:18px;align-content:start}
@media (min-width:880px){.why>div:nth-child(odd){padding-right:clamp(24px,4vw,56px);border-right:1px solid var(--ln)}.why>div:nth-child(even){padding-left:clamp(24px,4vw,56px)}}
.why h3{margin:0;font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(2.2rem,5vw,4.4rem);line-height:.9;text-wrap:balance}

/* ---------- mission ---------- */
.mission{display:grid;gap:48px;align-items:center}
@media (min-width:980px){.mission{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}}
.mission .words{display:grid;margin-top:28px;border-top:1px solid var(--ln)}
.mission .words div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 0;border-bottom:1px solid var(--ln)}
.mission .words b{font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(1.9rem,4.6vw,3.6rem);line-height:.95;overflow-wrap:anywhere}
.mapbox{position:relative;aspect-ratio:1.45;max-width:100%;border:1px solid var(--ln);background:var(--bg0)}
.mapbox canvas{position:absolute;inset:0;width:100%;height:100%}
.mapbox .lbl{position:absolute}

/* ---------- made in ukraine ---------- */
.miu{display:grid;gap:36px;align-items:end}
@media (min-width:880px){.miu{grid-template-columns:minmax(0,1fr) minmax(0,26em)}}
.miu .lines p{font-family:var(--mono);font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;line-height:2.1;color:var(--fg2)}
.miu .lines p:last-child{color:var(--fg)}

/* ---------- contact ---------- */
.contact{display:grid;gap:56px}
@media (min-width:1080px){.contact{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:80px}}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--ln);border:1px solid var(--ln);margin-top:36px}
.opts button{background:var(--bg0);min-height:76px;padding:14px 16px;text-align:left;font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg2);display:flex;flex-direction:column;justify-content:space-between;gap:10px;transition:background .2s,color .2s}
.opts button:hover{background:var(--bg2);color:var(--fg)}
.opts button.on{color:var(--fg);background:var(--bg2);box-shadow:inset 0 0 0 1px var(--fg)}
.opts button i{width:6px;height:6px;border:1px solid var(--fg3)}
.opts button.on i{background:var(--red);border-color:var(--red)}
.wa{margin-top:28px;border:1px solid var(--ln);padding:22px;display:grid;gap:14px}
.wa .num{font-family:var(--display);font-weight:700;font-size:clamp(1.7rem,3vw,2.2rem);letter-spacing:.04em;user-select:all;font-variant-numeric:tabular-nums}
.wa .row{display:flex;gap:10px;flex-wrap:wrap}
form.f{display:grid;gap:0;border:1px solid var(--ln);background:var(--bg0)}
.fld{display:grid;gap:8px;padding:18px 20px;border-bottom:1px solid var(--ln);position:relative;transition:background .2s}
.fld:focus-within{background:var(--bg2)}
.fld:focus-within::before{content:"";position:absolute;left:-1px;top:-1px;bottom:-1px;width:2px;background:var(--red)}
.fld label{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fg3)}
.fld input,.fld select,.fld textarea{background:transparent;border:0;color:var(--fg);font-family:var(--body);font-size:1.05rem;padding:4px 0;outline:none;width:100%;min-height:36px;border-radius:0;-webkit-appearance:none;appearance:none}
.fld select{background-image:linear-gradient(45deg,transparent 50%,var(--fg2) 50%),linear-gradient(135deg,var(--fg2) 50%,transparent 50%);background-position:calc(100% - 12px) 55%,calc(100% - 7px) 55%;background-size:5px 5px;background-repeat:no-repeat;padding-right:28px}
.fld select option{background:var(--bg2);color:var(--fg)}
.fld textarea{resize:vertical;min-height:120px;line-height:1.5}
.fld.two{grid-template-columns:1fr;padding:0;gap:0}
@media (min-width:640px){.fld.two{grid-template-columns:1fr 1fr}.fld.two>.fld:first-child{border-right:1px solid var(--ln)}}
.fld.two>.fld{border-bottom:0}
.fld .err{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;color:var(--red);text-transform:uppercase}
.fsub{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;flex-wrap:wrap}
.fsub .note{font-size:.82rem;color:var(--fg3);max-width:28em}
.sent{padding:28px 22px;display:grid;gap:18px}
.sent .row{display:flex;gap:10px;flex-wrap:wrap}
.sent pre{margin:0;white-space:pre-wrap;font-family:var(--mono);font-size:.78rem;line-height:1.7;color:var(--fg2);border:1px solid var(--ln);padding:16px;max-height:220px;overflow:auto}

/* ---------- page head (inner pages) ---------- */
.phead{position:relative;padding-top:calc(var(--hdr) + env(safe-area-inset-top,0px) + clamp(56px,10vw,120px));padding-bottom:clamp(56px,8vw,100px);overflow:hidden}
.phead .crumb{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.phead .crumb a:hover{color:var(--fg)}
.phead .lead{margin-top:28px}

/* ---------- product detail ---------- */
.pd-top{display:grid;gap:40px;align-items:center}
@media (min-width:1080px){.pd-top{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px}}
.pd-left{container-type:inline-size;min-width:0}
.pd-name{font-family:var(--display);font-weight:800;text-transform:uppercase;line-height:.86;margin:14px 0 18px;font-size:clamp(2.4rem,calc(128cqi / var(--len)),10rem);overflow-wrap:normal;hyphens:none}
.pd-pre{font-family:var(--display);font-weight:700;font-size:clamp(1.2rem,2vw,1.6rem);letter-spacing:.06em;color:var(--fg2);text-transform:uppercase}
.pd-tag{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.02;margin-bottom:20px}
.pd-top .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.pd-img{aspect-ratio:3/2;max-width:100%;background:var(--bg0);border:1px solid var(--ln);position:relative;overflow:hidden}
.pd-img .inner{position:absolute;inset:0;will-change:transform}
.pd-img.reveal{animation:clip 1.6s var(--ease) both}
@keyframes clip{from{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0 0 0 0)}}
.pd-img .scan{position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(225,6,0,.55),transparent);top:0;animation:scan 7s linear infinite}
@keyframes scan{0%{top:6%}100%{top:94%}}
.pd-img .hud{position:absolute;inset:14px;display:flex;flex-direction:column;justify-content:space-between;pointer-events:none}
.pd-img .hud div{display:flex;justify-content:space-between;gap:12px}
.hl{display:grid;border:1px solid var(--ln);margin-top:clamp(48px,7vw,88px)}
@media (min-width:880px){.hl{grid-template-columns:repeat(3,minmax(0,1fr))}}
.hl>div{padding:clamp(22px,3vw,36px);border-bottom:1px solid var(--ln);display:grid;gap:12px;align-content:start}
@media (min-width:880px){.hl>div{border-bottom:0;border-right:1px solid var(--ln)}.hl>div:last-child{border-right:0}}
.hl>div:last-child{border-bottom:0}
.hl b{font-family:var(--display);font-weight:800;font-size:clamp(2.6rem,5.4vw,4.6rem);line-height:.9;text-transform:uppercase;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.pd-sec{display:grid;gap:24px;padding-block:clamp(52px,7vw,96px);border-top:1px solid var(--ln)}
@media (min-width:980px){.pd-sec{grid-template-columns:260px minmax(0,1fr);gap:40px}}
.pd-sec>.lbl{padding-top:.3em}
.kc{display:grid;gap:1px;background:var(--ln);border:1px solid var(--ln)}
@media (min-width:720px){.kc{grid-template-columns:repeat(2,minmax(0,1fr))}}
.kc>div{background:var(--bg0);padding:22px 22px 24px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
.kc>div i{width:11px;height:11px;margin-top:.45em;background:linear-gradient(var(--red),var(--red)) center/1px 100% no-repeat,linear-gradient(var(--red),var(--red)) center/100% 1px no-repeat}
.kc>div span{font-size:1.02rem;line-height:1.45}
.kc.odd>div:last-child{grid-column:1/-1}
.tbl-wrap{overflow-x:auto;border:1px solid var(--ln)}
table.spec{width:100%;border-collapse:collapse;min-width:460px;font-variant-numeric:tabular-nums}
table.spec th,table.spec td{text-align:left;padding:15px 20px;border-bottom:1px solid var(--ln);vertical-align:top}
table.spec thead th{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;font-weight:400;color:var(--fg3);text-transform:uppercase;background:var(--bg1)}
table.spec tbody th{font-weight:400;color:var(--fg2);width:44%;font-size:.95rem}
table.spec td{font-family:var(--mono);font-size:.9rem;letter-spacing:.04em}
table.spec td.na{color:var(--fg3);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase}
table.spec tr:last-child th,table.spec tr:last-child td{border-bottom:0}
table.spec tbody tr:hover{background:var(--bg1)}
.spec-note{margin-top:14px;font-size:.84rem;color:var(--fg3)}
.cfg{display:grid;gap:8px}
@media (min-width:720px){.cfg{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1180px){.cfg.c3{grid-template-columns:repeat(3,minmax(0,1fr))}}
.cfg button{text-align:left;border:1px solid var(--ln2);min-height:64px;padding:16px 18px;display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;transition:border-color .2s,background .2s}
.cfg button:hover{border-color:var(--ln3);background:var(--bg1)}
.cfg button.on{border-color:var(--fg);background:var(--bg2)}
.cfg button i{width:10px;height:10px;border:1px solid var(--fg3);margin-top:.45em}
.cfg button.on i{background:var(--red);border-color:var(--red)}
.cfg button b{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:1.25rem;line-height:1.05;display:block}
.cfg button small{display:block;color:var(--fg2);font-size:.86rem;margin-top:6px;line-height:1.45}
.cfg-read{margin-top:16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.disc{border:1px solid var(--ln2);border-left:2px solid var(--red);padding:18px 20px;display:grid;gap:8px;color:var(--fg2);font-size:.95rem;max-width:52em}
.gal{display:grid;gap:12px}
@media (min-width:720px){.gal{grid-template-columns:repeat(3,minmax(0,1fr))}}
.gal figure{margin:0;border:1px solid var(--ln);background:var(--bg0);aspect-ratio:4/3;max-width:100%;position:relative;overflow:hidden}
.gal figcaption{position:absolute;left:12px;bottom:10px}
.rel{margin-top:8px}
.req{display:grid;gap:28px;align-items:end;padding:clamp(28px,4vw,52px);border:1px solid var(--ln);background:var(--bg1)}
@media (min-width:980px){.req{grid-template-columns:minmax(0,1fr) auto}}

/* ---------- about ---------- */
.two-col{display:grid;gap:40px}
@media (min-width:980px){.two-col{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px}}
.prose{display:grid;gap:20px;max-width:38em;color:var(--fg2);font-size:1.06rem;line-height:1.65}
.prose strong{color:var(--fg);font-weight:500}
.areas{display:grid;border-top:1px solid var(--ln)}
.areas a{display:grid;grid-template-columns:3.2em 1fr auto;gap:14px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--ln);min-height:56px;transition:padding .3s var(--ease)}
.areas a:hover{padding-left:8px}
.areas a b{font-family:var(--display);font-weight:800;font-size:clamp(1.3rem,2.2vw,1.8rem);text-transform:uppercase;line-height:1}
.areas a .arr{color:var(--fg3);font-family:var(--mono)}
.areas a:hover .arr{color:var(--red)}
.proc{display:grid;gap:1px;background:var(--ln);border:1px solid var(--ln)}
@media (min-width:720px){.proc{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1180px){.proc{grid-template-columns:repeat(4,minmax(0,1fr))}}
.proc>div{background:var(--bg0);padding:26px 24px 30px;display:grid;gap:14px;align-content:start}
.proc b{font-family:var(--display);font-weight:800;font-size:clamp(1.6rem,2.4vw,2rem);text-transform:uppercase;line-height:.95}
.proc p{color:var(--fg2);font-size:.95rem}

/* ---------- footer ---------- */
.ftr{border-top:1px solid var(--ln);background:var(--bg0);padding-top:clamp(64px,8vw,110px);padding-bottom:calc(28px + env(safe-area-inset-bottom,0px))}
.ftr .big{font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(2.8rem,10vw,8.4rem);line-height:.86;letter-spacing:.01em}
.fcols{display:grid;gap:36px;margin-top:clamp(48px,6vw,80px);padding-top:36px;border-top:1px solid var(--ln)}
@media (min-width:720px){.fcols{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1080px){.fcols{grid-template-columns:1.3fr 1fr 1fr 1.2fr}}
.fcols h4{margin:0 0 16px;font-family:var(--mono);font-weight:400;font-size:.66rem;letter-spacing:.22em;color:var(--fg3);text-transform:uppercase}
.fcols ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.fcols ul a{display:inline-flex;align-items:center;min-height:36px;color:var(--fg2);font-size:.95rem;transition:color .2s}
.fcols ul a:hover{color:var(--fg)}
.fbot{margin-top:56px;padding-top:22px;border-top:1px solid var(--ln);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ---------- reveal ---------- */
.rv{transition:opacity 1s var(--ease),transform 1s var(--ease)}
.rv.pre{opacity:0;transform:translateY(22px)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--fg);color:var(--bg0);font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;padding:12px 18px;z-index:80}


/* ---------- product photography ---------- */
.ph{position:absolute;inset:0;width:100%;height:100%;display:block;transition:transform 1.2s var(--ease),filter .6s var(--ease)}
.ph.cover{object-fit:cover}
.ph.contain{object-fit:contain;padding:5%;-webkit-mask-image:radial-gradient(ellipse 72% 76% at 50% 50%,#000 58%,transparent 100%);mask-image:radial-gradient(ellipse 72% 76% at 50% 50%,#000 58%,transparent 100%)}
.pc .img,.cap .pic,.gal figure{position:relative;overflow:hidden}
.pc .img::after,.pd-img.has-ph::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(5,5,5,.35) 0%,transparent 22%,transparent 70%,rgba(5,5,5,.55) 100%)}
.pc .img .tagc,.pc .img .tagv{z-index:2}
.pc:hover .img .ph{transform:scale(1.04)}
.cap .pic{aspect-ratio:16/10;background:var(--bg0);border:1px solid var(--ln);margin-inline:0}
.cap .pic .ph{filter:grayscale(1) contrast(1.08) brightness(.9)}
.cap:hover .pic .ph{filter:grayscale(0) contrast(1.02);transform:scale(1.03)}
.pd-img .hud{z-index:2}
.pd-img.has-ph .hud .lbl{color:var(--fg);text-shadow:0 1px 2px rgba(0,0,0,.9)}
.pd-img .inner .ph.contain{padding:4%}
.gal figure .ph{transition:none}
.gal figcaption{z-index:2;background:rgba(5,5,5,.7);padding:3px 8px}
.hero-photo{position:absolute;right:-8vw;top:54%;width:min(64vw,980px);transform:translateY(-50%);pointer-events:none;opacity:.78;-webkit-mask-image:radial-gradient(ellipse 58% 58% at 50% 50%,#000 60%,transparent 100%);mask-image:radial-gradient(ellipse 58% 58% at 50% 50%,#000 60%,transparent 100%)}
.hero-photo img{width:100%;height:auto;display:block;animation:heroin 1.8s var(--ease) .2s both}
@keyframes heroin{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
@media (max-width:879px){.hero-photo{width:128vw;right:-46vw;top:36%;opacity:.4}}
.hl{grid-template-columns:repeat(2,minmax(0,1fr))}
.hl>div{border-right:1px solid var(--ln)}
.hl>div:nth-child(2n){border-right:0}
@media (max-width:519px){.hl{grid-template-columns:1fr}.hl>div{border-right:0}}
@media (min-width:880px){.hl{grid-template-columns:repeat(var(--n,3),minmax(0,1fr))}.hl>div,.hl>div:nth-child(2n){border-right:1px solid var(--ln);border-bottom:0}.hl>div:last-child{border-right:0}}
.hl b{font-size:clamp(2.2rem,4.6vw,4.2rem)}
.crow{display:grid;gap:10px;padding-top:16px;border-top:1px solid var(--ln)}
.wa .num.sm{font-size:clamp(1.2rem,2.4vw,1.5rem);letter-spacing:.02em;overflow-wrap:anywhere}
.btn.sm{min-height:44px;padding:0 1.1em;font-size:.68rem}
.appl{font-family:var(--body);font-weight:400;font-size:clamp(1.2rem,2vw,1.55rem);line-height:1.4;max-width:30em;color:var(--fg)}
.cfg-g{min-width:0}
.disc.dev{border-left-color:var(--fg2)}
.pc.fam{display:grid}
@media (min-width:980px){.pc.fam{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.pc.fam .img{border-bottom:0;border-right:1px solid var(--ln);aspect-ratio:auto;min-height:280px}}
.pc .meta{container-type:inline-size}
.pc h3{font-size:clamp(1.5rem,11.5cqi,2.3rem)}
.miu .lines p.dim{color:var(--fg3);font-size:.7rem}
.fbot{align-items:center}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv.pre{opacity:1;transform:none}
  .xhair{display:none}
  .hero-photo img{animation:none}
}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.btn:disabled{opacity:.6;cursor:wait}