/* Super Box — site styles. Palette sampled from the business card. */

:root{
  --ink:#0E1119; --ink2:#161B25; --ink3:#232A37; --gold:#B7854A; --gold-d:#8C5A22; --gold-l:#E4B46C;
  --paper:#FFFFFF; --mist:#F3F4F6; --line:#E2E4E8; --graphite:#555C68; --muted:#7E8590;
  --metal:linear-gradient(90deg,#7A4510 0%,#B7854A 28%,#F3CF8A 52%,#B7854A 74%,#7A4510 100%);
  --ease-out:cubic-bezier(0.23,1,0.32,1); --ease-in-out:cubic-bezier(0.77,0,0.175,1);
  --f-ar:Kufi,"Noto Kufi Arabic",Tahoma,sans-serif;
  --f-lat:Mont,"Montserrat",system-ui,sans-serif;
  --f-zh:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Mont,sans-serif;
  --f-body:var(--f-ar); --f-head:var(--f-ar);
  --wrap:1200px; --gut:clamp(16px,4vw,40px);
}
html[lang="en"]{--f-body:var(--f-lat);--f-head:var(--f-lat)}
html[lang="zh-CN"]{--f-body:var(--f-zh);--f-head:var(--f-zh)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--paper)}
@media (pointer:fine){html{overscroll-behavior:none}}
body{margin:0;font-family:var(--f-body);color:var(--ink);background:var(--paper);font-size:16px;line-height:1.75;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;touch-action:manipulation;-webkit-tap-highlight-color:rgba(183,133,74,.18)}
html[lang="en"] body,html[lang="zh-CN"] body{line-height:1.6}
::selection{background:var(--gold-l);color:var(--ink)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f-head);text-wrap:balance;margin:0;letter-spacing:-.01em}
html[lang="en"] h1,html[lang="en"] h2{letter-spacing:-.03em}
.num,.sar{font-family:var(--f-lat);font-variant-numeric:tabular-nums lining-nums}
.sar{display:inline-flex;align-items:center;gap:.18em;white-space:nowrap;direction:ltr;unicode-bidi:isolate}
.sar svg{height:.78em;width:auto;flex:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}
.skip{position:absolute;inset-inline-start:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px;border-radius:6px;text-decoration:none;transition:top .2s var(--ease-out)}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.lede{font-size:clamp(16px,1.35vw,19px);color:var(--graphite);max-width:58ch;margin:18px 0 0}
.fine{font-size:12.5px;color:var(--muted);max-width:70ch;margin:22px 0 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 26px;border-radius:999px;font:600 15px/1 var(--f-body);text-decoration:none;white-space:nowrap;cursor:pointer;border:0;transition:transform .16s var(--ease-out),background-color .2s ease,color .2s ease,box-shadow .2s ease}
.btn:active{transform:scale(.97)}
.btn--ink{background:var(--ink);color:#fff}
.btn--ink:hover{background:var(--ink3)}
.btn--gold{background:linear-gradient(180deg,#C9975A,#A8733A);color:#fff;box-shadow:0 10px 24px -12px rgba(140,90,34,.8)}
.btn--gold:hover{background:linear-gradient(180deg,#D3A466,#B07A3E)}
.btn--line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px #C9CDD3}
.btn--line:hover{box-shadow:inset 0 0 0 1px var(--ink)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.chip{height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font:600 13px/1 var(--f-body);cursor:pointer;transition:border-color .2s ease,background-color .2s ease}
.chip:hover{border-color:var(--ink)}

/* nav */
.nav{position:fixed;inset-inline:0;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(226,228,232,.7);transition:background-color .3s ease,border-color .3s ease}
.nav::before{content:"";position:absolute;inset-inline:0;top:0;height:2px;background:var(--metal)}
.nav.is-dark{background:rgba(14,17,25,.72);border-color:rgba(255,255,255,.06)}
.nav.is-dark .nav__links a{color:#C9CED6}
.nav.is-dark .nav__links a:hover{color:#fff}
.nav.is-dark .nav__logo img{content:url(../img/logo-nav-dark.webp)}
.nav.is-dark .lang a{color:#C9CED6}
.nav.is-dark .lang a[aria-current]{background:#fff;color:var(--ink)}
.nav.is-dark .nav__menu{color:#fff;border-color:rgba(255,255,255,.18)}
.nav.is-dark .btn--ink{background:#fff;color:var(--ink)}
.nav__in{max-width:1320px;margin:0 auto;padding:0 var(--gut);height:80px;display:flex;align-items:center;gap:28px}
.nav__logo{display:block;flex:none;direction:ltr}
.nav__logo img{height:46px;width:auto}
.nav__links{display:flex;gap:26px;margin-inline-start:auto}
.nav__links a{font-size:14px;font-weight:500;color:var(--graphite);text-decoration:none;transition:color .2s ease}
.nav__links a:hover{color:var(--ink)}
.nav__end{display:flex;align-items:center;gap:14px}
.lang{display:flex;background:rgba(14,17,25,.05);border-radius:999px;padding:3px}
.lang a{display:grid;place-items:center;text-decoration:none;font:600 12.5px/1 var(--f-lat);color:var(--graphite);height:30px;min-width:34px;padding:0 6px;border-radius:999px;transition:background-color .2s ease,color .2s ease}
.lang a:hover{color:var(--ink)}
.lang a[data-lang="ar"]{font-family:var(--f-ar)}
.lang a[data-lang="zh"]{font-family:var(--f-zh)}
.lang a[aria-current]{background:var(--ink);color:#fff}
.nav__menu{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;place-items:center;padding:0}
.nav__menu svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;transition:transform .3s var(--ease-out)}
.nav__menu svg path{transform-box:fill-box;transform-origin:center;transition:transform .3s var(--ease-out)}
.nav.is-open .nav__menu .l1{transform:translateY(4px) rotate(45deg)}
.nav.is-open .nav__menu .l2{transform:translateY(-4px) rotate(-45deg)}
.nav__cta-m{display:none}

/* 1 · wall story */
.wall{height:240vh;position:relative}
.wall__sticky{position:sticky;top:0;height:100svh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);align-items:center;gap:40px;max-width:1320px;margin:0 auto;padding:104px var(--gut) 32px}
.wall__copy{position:relative;min-height:540px}
.stage{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .45s var(--ease-out),transform .6s var(--ease-out)}
.stage.is-on{opacity:1;transform:none;pointer-events:auto}
.stage h1{font-size:clamp(36px,4.6vw,66px);line-height:1.18;font-weight:700}
html[lang="en"] .stage h1{line-height:1.04;font-weight:700}
html[lang="zh-CN"] .stage h1{line-height:1.25;font-weight:700;font-size:clamp(32px,3.9vw,56px);word-break:keep-all}
.stage h2{font-size:clamp(30px,3.2vw,46px);line-height:1.2}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:0;margin:44px 0 0;border-top:1px solid var(--line)}
.facts div{padding:16px 28px 0 0}
html[dir="rtl"] .facts div{padding:16px 0 0 28px}
.facts div+div{padding-inline-start:28px;border-inline-start:1px solid var(--line)}
.facts dt{font:600 30px/1.1 var(--f-lat);color:var(--ink);display:flex;align-items:baseline;gap:6px}
.facts dt small{font:500 14px/1 var(--f-body);color:var(--graphite)}
.facts dt .sar svg{color:var(--gold)}
.facts dd{margin:6px 0 0;font-size:13px;color:var(--muted)}
.layers{list-style:none;margin:26px 0 0;padding:0;border-top:1px solid var(--line);max-width:520px}
.layers li{display:grid;grid-template-columns:44px 1fr;padding:14px 0;border-bottom:1px solid var(--line);opacity:.42;transition:opacity .35s var(--ease-out)}
.layers li.is-on{opacity:1}
.layers li .k{font:600 13px/1.9 var(--f-lat);color:var(--gold)}
.layers li b{display:block;font-size:17px;font-weight:600;line-height:1.5}
.layers li span{font-size:14.5px;color:var(--graphite);line-height:1.7}
.wall__viz{position:relative;height:min(78vh,700px);border-radius:28px;background:radial-gradient(120% 90% at 50% 15%,#FFFFFF 0%,#F4F5F7 55%,#ECEEF1 100%);overflow:hidden;box-shadow:inset 0 0 0 1px rgba(14,17,25,.05)}
.wall__viz::after{content:"";position:absolute;inset:auto 24px 24px 24px;height:1px;background:repeating-linear-gradient(90deg,#C9CDD3 0 6px,transparent 6px 12px);opacity:.6;pointer-events:none}
#wallCanvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab;touch-action:pan-y}
#wallCanvas:active{cursor:grabbing}
.tags{position:absolute;inset:0;pointer-events:none}
.tag{position:absolute;left:0;top:0;display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;opacity:0;transition:opacity .3s var(--ease-out),color .2s ease;direction:ltr}
.tag.is-on{opacity:1}
.tag span{direction:var(--tagdir,ltr)}
.tag i{width:28px;height:1px;background:var(--ink);opacity:.35}
.tag em{font:600 11px/1 var(--f-lat);font-style:normal;color:var(--gold)}
.tag.is-act{color:var(--gold-d)}
.viz__bar{position:absolute;inset-inline:20px;bottom:44px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.hint{font-size:12.5px;color:var(--muted)}

/* 2 · build story */
.build{height:540vh;position:relative;background:var(--ink);color:#fff}
.build__sticky{position:sticky;top:0;height:100svh;overflow:hidden}
#buildCanvas{position:absolute;inset:0;width:100%;height:100%}
.build__sticky::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(14,17,25,.0) 40%,rgba(14,17,25,.55) 100%)}
html[dir="ltr"] .build__sticky::after{background:linear-gradient(270deg,rgba(14,17,25,.0) 40%,rgba(14,17,25,.55) 100%)}
.build__ui{z-index:2;position:absolute;inset:0;pointer-events:none;max-width:1320px;margin:0 auto;padding:118px var(--gut) 40px;display:grid;grid-template-rows:auto 1fr auto auto}
.build__head h2{font-size:clamp(28px,3vw,44px);color:#fff}
.build__head p{color:#9AA1AC;margin:10px 0 0;font-size:15px}
.rail{list-style:none;margin:28px 0 0;padding:0;align-self:start;display:flex;flex-direction:column;gap:2px;width:max-content}
.rail li{display:flex;align-items:center;gap:12px;font-size:13.5px;color:#6E7683;transition:color .3s ease;padding:5px 0}
.rail li .num{font-size:11.5px;width:22px;color:#4C5462;transition:color .3s ease}
.rail li i{width:14px;height:1px;background:#3A4250;transition:width .4s var(--ease-out),background-color .3s ease}
.rail li.is-on{color:#fff}
.rail li.is-on .num{color:var(--gold-l)}
.rail li.is-on i{width:34px;background:var(--gold-l)}
.rail li.is-done{color:#A8AFBA}
.build__cap{display:flex;gap:22px;align-items:flex-start;max-width:560px;background:rgba(14,17,25,.62);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:22px 26px}
.build__cap .num{font-size:44px;font-weight:600;line-height:1;color:var(--gold-l)}
.build__cap h3{font-size:22px;color:#fff;line-height:1.4}
.build__cap p{margin:6px 0 0;color:#B4BAC4;font-size:15px}
.progress{height:2px;background:rgba(255,255,255,.1);margin-top:22px;border-radius:2px;overflow:hidden}
.progress i{display:block;height:100%;width:100%;background:var(--metal);transform-origin:0 50%;transform:scaleX(0)}
html[dir="rtl"] .progress i{transform-origin:100% 50%}

/* sections */
.sec{padding:clamp(88px,11vw,150px) 0;position:relative}
.sec h2{font-size:clamp(32px,3.8vw,54px);line-height:1.18}
html[lang="en"] .sec h2{line-height:1.08}

/* 3 · timeline */
.gantt{margin-top:56px;display:grid;gap:30px}
.g-row{display:grid;grid-template-columns:170px 1fr;gap:24px;align-items:center}
.g-row>b{font-size:16px;font-weight:600;display:flex;flex-direction:column;line-height:1.35}
.g-row>b span{font:600 34px/1.1 var(--f-lat);margin-top:4px}
.g-row>b span small{font:500 14px var(--f-body);color:var(--graphite);margin-inline-start:6px}
.g-row.sb>b span{color:var(--gold)}
.g-track{position:relative;height:64px;border-radius:14px;background:repeating-linear-gradient(90deg,transparent 0 calc(100%/12 - 1px),rgba(14,17,25,.07) calc(100%/12 - 1px) calc(100%/12))}
.g-seg{position:absolute;top:0;bottom:0;border-radius:12px;display:flex;align-items:center;padding:0 12px;font-size:12.5px;font-weight:500;color:#fff;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;transform:scaleX(0);transform-origin:var(--o,0) 50%;transition:transform .9s var(--ease-out)}
.gantt.is-in .g-seg{transform:scaleX(1)}
.g-seg span{min-width:0;overflow:hidden;text-overflow:ellipsis}
.g-scale{display:grid;grid-template-columns:170px 1fr;gap:24px;font:500 11px var(--f-lat);color:var(--muted)}
.g-scale div{display:flex;justify-content:space-between}
.gone{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding:0}
.gone li{display:flex;align-items:center;gap:10px;padding:9px 16px 9px 14px;border-radius:999px;background:var(--mist);font-size:14px;font-weight:500;color:var(--ink)}
.gone li::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--gold)}

/* stats */
.stats{background:var(--paper);border-top:1px solid var(--line);position:relative}
.stats__in{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,2.2fr);align-items:center;gap:40px;padding-top:56px;padding-bottom:56px}
.stats__t{font-size:clamp(20px,1.8vw,26px);line-height:1.35;font-weight:600;max-width:14ch}
.stats__list{display:grid;grid-template-columns:repeat(3,1fr);margin:0}
.stats__list div{padding:4px 32px;border-inline-start:1px solid var(--line)}
.stats__list dt{font:600 clamp(48px,5.6vw,80px)/1 var(--f-lat);letter-spacing:-.03em;background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;background-position:30% 0}
.stats__list dd{margin:12px 0 0;font-size:15px;font-weight:500;color:var(--graphite)}

/* applications */
.time{padding-bottom:clamp(48px,6vw,80px)}
.uses{padding-top:0}
.uses .wrap{border-top:1px solid var(--line);padding-top:clamp(56px,7vw,96px)}
.uses__grid{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:24px;overflow:hidden}
.use{background:#fff;padding:28px 26px 30px;display:flex;flex-direction:column;gap:6px;transition:background-color .25s ease}
.use:hover{background:#FBFBFC}
.use svg{width:40px;height:40px;fill:none;stroke:var(--gold);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px;transition:transform .5s var(--ease-out)}
.use:hover svg{transform:translateY(-3px)}
.use h3{font-size:17px;font-weight:600;line-height:1.45}
.use p{margin:0;font-size:14px;color:var(--graphite);line-height:1.7}

/* 4 · evidence */
.why{background:var(--mist)}
.evg{margin-top:56px}
.evg+.evg{margin-top:48px}
.evg__t{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--ink);margin:0 0 16px;letter-spacing:0}
.evg__t::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--gold);transform:rotate(45deg)}
.evg .fine{margin-top:14px}
.evidence{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:auto;gap:16px}
.ev{display:grid;grid-row:span 4;grid-template-rows:subgrid;row-gap:0;background:#fff;border-radius:20px;padding:24px 24px 18px;box-shadow:inset 0 0 0 1px #E2E4E8;min-width:0}
.ev b{font:600 clamp(34px,3.2vw,46px)/1 var(--f-lat);color:var(--ink);letter-spacing:-.02em;display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px;align-self:end}
.ev b small{font:600 14px/1.2 var(--f-body);color:var(--graphite);letter-spacing:0}
.ev b .v{unicode-bidi:isolate}
#evKsa .ev:first-child b{color:var(--gold)}
.ev h4{font-size:16px;margin:14px 0 0;font-weight:600;line-height:1.45;text-wrap:balance}
.ev p{font-size:14px;color:var(--graphite);margin:8px 0 16px;line-height:1.8;text-wrap:pretty}
.ev a{display:flex;align-items:center;justify-content:space-between;gap:10px;font:500 12px/1.5 var(--f-body);color:var(--gold-d);text-decoration:none;border-top:1px solid #ECEEF1;padding-top:12px;align-self:end}
.ev a span{min-width:0}
.ev a:hover span{text-decoration:underline;text-underline-offset:3px}
.ext{width:11px;height:11px;flex:none}
html[dir="rtl"] .ext{transform:scaleX(-1)}
.pct{unicode-bidi:isolate;font-family:var(--f-lat);font-variant-numeric:lining-nums}
.ev p .sar svg{color:var(--gold-d)}
.refs{margin-top:44px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,3.2fr);gap:24px;align-items:start;background:#fff;border-radius:22px;padding:24px 26px;box-shadow:inset 0 0 0 1px #E2E4E8}
.refs__t{font-size:15px;font-weight:600;padding-top:2px}
.refs__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.refs__list a{display:grid;gap:4px;text-decoration:none;color:inherit}
.refs__list b{font-size:15px;font-weight:600}
.refs__list span{font-size:13.5px;color:var(--graphite);line-height:1.7}
.refs__list em{font:500 12px var(--f-lat);font-style:normal;color:var(--gold-d);display:inline-flex;align-items:center;gap:6px;justify-self:start}
.refs__list a:hover b{text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--gold)}

/* 5 · offer */
.offer{background:var(--ink);color:#fff;overflow:hidden}
.offer::before{content:"";position:absolute;inset-inline:0;top:0;height:2px;background:var(--metal)}
.offer .lede{color:#9AA1AC}
.offer__grid{display:grid;grid-template-columns:1fr minmax(0,460px);gap:64px;align-items:center}
.rate{display:flex;align-items:baseline;gap:14px;margin-top:40px}
.rate__n{font:600 clamp(64px,8vw,112px)/1 var(--f-lat);letter-spacing:-.03em}
.rate__n svg{color:var(--gold-l)}
.rate__u{color:#9AA1AC;font-size:16px}
.incl{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px;max-width:560px}
.incl li{padding:11px 0;border-bottom:1px solid #262D3A;font-size:14.5px;color:#D3D7DE;display:flex;gap:12px;align-items:center}
.incl li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-l);flex:none}
.calc{background:#fff;color:var(--ink);border-radius:28px;padding:34px 32px;box-shadow:0 40px 80px -40px rgba(0,0,0,.6)}
.calc__lab{display:flex;justify-content:space-between;align-items:baseline;font-weight:600;font-size:15px}
.calc__lab output{font:600 26px var(--f-lat)}
input[type=range]{width:100%;margin:22px 0 8px;-webkit-appearance:none;appearance:none;height:28px;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:linear-gradient(90deg,var(--gold) var(--p,30%),#E2E4E8 var(--p,30%))}
html[dir="rtl"] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(270deg,var(--gold) var(--p,30%),#E2E4E8 var(--p,30%))}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:#fff;border:2px solid var(--gold);margin-top:-11px;box-shadow:0 4px 12px rgba(140,90,34,.35);transition:transform .16s var(--ease-out)}
input[type=range]:active::-webkit-slider-thumb{transform:scale(1.12)}
input[type=range]::-moz-range-track{height:4px;border-radius:4px;background:#E2E4E8}
input[type=range]::-moz-range-progress{height:4px;background:var(--gold)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:2px solid var(--gold)}
.calc__rows{margin:14px 0 0}
.calc__rows div{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line)}
.calc__rows dt{color:var(--graphite);font-size:14.5px}
.calc__rows dd{margin:0;font:600 18px var(--f-lat)}
.calc__rows .tot{border-bottom:0;border-top:1.5px solid var(--ink);margin-top:6px}
.calc__rows .tot dt{color:var(--ink);font-weight:600}
.calc__rows .tot dd{font-size:30px;color:var(--gold-d)}
.calc .fine{margin:10px 0 20px}

/* 6 · contact */
.contact__grid{display:grid;grid-template-columns:1fr minmax(0,560px);gap:64px;align-items:start}
.direct{margin-top:40px;display:grid;gap:10px;border-top:1px solid var(--line);padding-top:20px;font-size:14px;color:var(--muted)}
.direct__a{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-radius:14px;background:var(--mist);text-decoration:none;color:var(--ink);transition:background-color .2s ease}
.direct__a:hover{background:#E9EBEE}
.direct__a span{font:600 15px var(--f-lat)}
.form{display:grid;gap:18px}
.f{display:grid;gap:7px}
.f--2{grid-template-columns:1fr 1fr;gap:16px}
.f--2>div{display:grid;gap:7px}
.form label{font-size:13.5px;font-weight:600}
.form input,.form select,.form textarea{width:100%;font:500 16px var(--f-body);color:var(--ink);background:#fff;border:1px solid #D5D8DD;border-radius:14px;padding:14px 16px;transition:border-color .2s ease,box-shadow .2s ease;min-height:52px}
.form select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#555C68 50%),linear-gradient(135deg,#555C68 50%,transparent 50%);background-position:calc(100% - 22px) 23px,calc(100% - 17px) 23px;background-size:5px 5px;background-repeat:no-repeat}
html[dir="rtl"] .form select{background-position:22px 23px,27px 23px}
.form textarea{resize:vertical;min-height:96px}
.form input::placeholder,.form textarea::placeholder{color:#A3A9B2}
.form input:hover,.form select:hover,.form textarea:hover{border-color:#B5BAC2}
.form input:focus-visible,.form select:focus-visible,.form textarea:focus-visible{outline:0;border-color:var(--gold);box-shadow:0 0 0 4px rgba(183,133,74,.16)}
.form [aria-invalid="true"]{border-color:#B4432F}
.err{color:#B4432F;font-size:12.5px;min-height:0}
.err:empty{display:none}
.ok{font-size:14px;color:#2F6B45;margin:0;min-height:1em}
.btn[disabled]{opacity:.7;cursor:progress}

/* footer */
.foot{background:var(--ink);color:#9AA1AC;font-size:13.5px;position:relative}
.foot a{color:#C3C8D0;text-decoration:none;transition:color .2s ease}
.foot a:hover{color:var(--gold-l)}
.foot__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-top:64px;padding-bottom:44px}
.foot__brand img{height:44px;width:auto}
.foot__id{display:grid;gap:4px;margin-top:20px}
.foot__id b{color:#fff;font-size:15px}
.foot__col>b{display:block;color:#fff;font-weight:600;font-size:14px;margin-bottom:14px}
.foot__col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot .social{display:flex;flex-wrap:wrap;gap:8px}
.social a{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:#161B25;box-shadow:inset 0 0 0 1px #232A37;transition:background-color .2s ease,box-shadow .2s ease}
.social svg{width:17px;height:17px;fill:#C3C8D0;transition:fill .2s ease}
.social a:hover{background:#1D2330;box-shadow:inset 0 0 0 1px var(--gold)}
.social a:hover svg{fill:var(--gold-l)}
.foot__legal{padding-top:22px;padding-bottom:22px;border-top:1px solid #1E2430;font-size:12.5px;color:#7E8590}
.foot__credits{background:#0A0D13;border-top:1px solid #1A1F29}
.credits{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px 28px;padding-top:18px;padding-bottom:18px}
.credit{display:inline-flex;align-items:center;gap:10px;font-size:12.5px}
.credit__k{color:#7E8590}
.credit img{height:26px;width:auto}
.credit__n{color:#D3D7DE}
.credit__n b{font-family:var(--f-lat);font-weight:700;letter-spacing:.04em;color:#fff;margin-inline-end:4px}
.credit:hover .credit__n,.credit:hover .credit__n b{color:var(--gold-l)}
.credits__sep{width:1px;height:20px;background:#262D3A}
.foot__bar{height:3px;background:var(--metal)}

/* form extras */
.hp{position:absolute;inset-inline-start:-9999px;width:1px;height:1px;overflow:hidden}
.ok.is-err{color:#B4432F}
.direct__h{font-size:12.5px;color:var(--muted)}

/* projects page */
.pj-hero{padding:156px 0 40px}
.pj-hero h1{font-size:clamp(36px,4.6vw,64px);line-height:1.15}
.pj-filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.pj-filters button{height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font:600 13.5px/1 var(--f-body);color:var(--graphite);cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease}
.pj-filters button:hover{border-color:var(--ink);color:var(--ink)}
.pj-filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.pj-grid{list-style:none;margin:0;padding:0 0 120px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pj{border-radius:22px;overflow:hidden;background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
.pj__img{aspect-ratio:4/3;background:var(--mist);position:relative;overflow:hidden}
.pj__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out)}
.pj:hover .pj__img img{transform:scale(1.03)}
.pj__badge{position:absolute;inset-inline-start:14px;top:14px;background:rgba(14,17,25,.78);color:#fff;font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;backdrop-filter:blur(6px)}
.pj__body{padding:20px 22px 22px}
.pj__body h2{font-size:18px;font-weight:600;line-height:1.4}
.pj__body p{margin:4px 0 0;font-size:13.5px;color:var(--muted)}
.pj__meta{display:flex;gap:22px;margin:14px 0 0;padding-top:14px;border-top:1px solid var(--line)}
.pj__meta div{display:grid;gap:2px}
.pj__meta dt{font-size:12px;color:var(--muted)}
.pj__meta dd{margin:0;font:600 15px var(--f-lat)}
.pj--ghost .pj__img{background:linear-gradient(135deg,#F3F4F6,#E9EBEE)}
.pj--ghost .pj__img::after{content:"";position:absolute;inset:22%;background:url(../img/mark.png) center/contain no-repeat;opacity:.09}
.gh{display:block;border-radius:7px;background:#ECEEF1}
.gh--1{width:62%;height:14px;margin-top:6px}
.gh--2{width:40%;height:10px;margin-top:12px;background:#F1F2F4}
.pj-empty{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;margin:0 0 28px;padding:24px 28px;border-radius:22px;background:var(--ink);color:#fff}
.pj-empty h2{font-size:20px;font-weight:600}
.pj-empty p{margin:6px 0 0;color:#9AA1AC;font-size:14.5px;max-width:60ch}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease-out),transform .8s var(--ease-out)}
.rv.is-in{opacity:1;transform:none}

/* responsive */
@media (max-width:1080px){
  .nav__in{gap:14px}
  .nav__links{display:none;position:fixed;inset:80px 0 auto 0;max-height:calc(100svh - 80px);overflow-y:auto;flex-direction:column;gap:0;margin:0;padding:8px var(--gut) 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 48px -24px rgba(14,17,25,.25)}
  .nav.is-open .nav__links{display:flex}
  .nav__links a{font-size:16px;color:var(--ink);padding:14px 2px;border-bottom:1px solid var(--line)}
  .nav__links a:last-of-type{border-bottom:0}
  .nav.is-dark .nav__links a{color:var(--ink)}
  .nav .nav__links a.nav__cta-m{color:#fff}
  .nav__links .nav__cta-m{display:inline-flex;margin-top:14px;padding:0 26px;color:#fff;border-bottom:0}
  .nav__menu{display:grid}
  .nav__end{margin-inline-start:auto;gap:10px}
  .menu-open body{overflow:hidden}
  .evidence{grid-template-columns:repeat(2,minmax(0,1fr))}
  .offer__grid,.contact__grid{grid-template-columns:1fr;gap:44px}
  .uses__grid{grid-template-columns:repeat(2,1fr)}
  .stats__in{grid-template-columns:1fr;gap:24px}
  .stats__t{max-width:none}
  .stats__list div:first-child{border-inline-start:0;padding-inline-start:0}
  .refs{grid-template-columns:1fr}
  .foot__top{grid-template-columns:1fr 1fr}
  .pj-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .nav__in{height:64px}
  .nav__links{inset:64px 0 auto 0;max-height:calc(100svh - 64px)}
  .nav__logo img{height:38px}
  .nav__cta{display:none}
  .lang a{min-width:32px;height:30px}
  .wall{height:220vh}
  .wall__sticky{grid-template-columns:1fr;grid-template-rows:40svh 1fr;gap:12px;padding:76px var(--gut) 16px;align-items:stretch}
  .wall__viz{order:-1;height:auto;border-radius:22px}
  .wall__copy{min-height:0}
  .stage{justify-content:flex-start}
  .stage h1{font-size:clamp(28px,8vw,40px)}
  .stage h2{font-size:26px}
  .stage .lede{font-size:15px;margin-top:10px}
  .ctas{margin-top:18px}
  .ctas .btn{height:46px;padding:0 20px;font-size:14px}
  .facts{margin-top:20px}
  .facts dt{font-size:22px}
  .facts div{padding-top:10px}
  .facts div+div{padding-inline-start:16px}
  html[dir="rtl"] .facts div,.facts div{padding-inline-end:16px}
  .layers{margin-top:12px}
  .layers li{padding:8px 0;grid-template-columns:32px 1fr}
  .layers li div>span{display:none}
  .layers li.is-on div>span{display:block;font-size:13px}
  .tags{display:none}
  .stage--wall .fine{display:none}
  .viz__bar{bottom:16px;inset-inline:14px}
  .hint{display:none}
  .wall__viz::after{display:none}
  .build{height:460vh}
  .build__ui{padding:84px var(--gut) 24px}
  .rail{display:none}
  .build__cap{grid-row:3;align-self:end}
  .progress{grid-row:4}
  .build__sticky::after{background:linear-gradient(0deg,rgba(14,17,25,.7) 0%,rgba(14,17,25,0) 45%)!important}
  .build__cap{padding:16px 18px;gap:14px}
  .build__cap .num{font-size:30px}
  .build__cap h3{font-size:18px}
  .build__cap p{font-size:13.5px}
  .g-row,.g-scale{grid-template-columns:1fr;gap:10px}
  .g-scale>span{display:none}
  .g-track{height:52px}
  .g-seg{font-size:11px;padding:0 8px}
  .evidence{grid-template-columns:1fr;gap:12px}
  .ev{padding:20px 20px 16px}
  .ev h4{margin-top:10px}
  .uses__grid{grid-template-columns:1fr 1fr;border-radius:18px}
  .use{padding:20px 16px 22px}
  .use svg{width:32px;height:32px;margin-bottom:8px}
  .use h3{font-size:15px}
  .use p{font-size:13px}
  .stats__in{padding-top:40px;padding-bottom:40px}
  .stats__list div{padding:0 14px}
  .stats__list dd{font-size:13px;margin-top:8px}
  .refs{padding:20px}
  .refs__list{grid-template-columns:1fr}
  .foot__top{grid-template-columns:1fr;gap:30px;padding-top:48px}
  .credits{flex-direction:column;gap:12px}
  .credits__sep{display:none}
  .pj-hero{padding:104px 0 28px}
  .pj-grid{grid-template-columns:1fr}
  .pj-empty{grid-template-columns:1fr}
  .incl{grid-template-columns:1fr}
  .calc{padding:26px 20px}
  .f--2{grid-template-columns:1fr}
}
@media (max-width:380px){
  .nav__logo img{height:32px}
  .uses__grid{grid-template-columns:1fr}
  .stats__list dt{font-size:40px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .stage,.rv,.g-seg,.tag,.layers li,.use svg{transition:none}
}

/* 404 */
.nf{min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:40px var(--gut)}
.nf img{height:48px;width:auto;margin-bottom:30px}
.nf__code{font:700 clamp(80px,14vw,160px)/1 var(--f-lat);margin:0;background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent}
.nf h1{font-size:clamp(24px,3vw,36px)}
.nf .lede{margin:0 0 18px}
.nav__links a[aria-current="page"]{color:var(--ink);font-weight:600}