/* ==========================================================================
   NIU · design system
   Brick red #E61F18 (sampled from the logotype) + charcoal + warm paper.
   Deliberately set apart from FEIDON's cold black and electric blue: this one
   reads like a colour book — paper-white pages, red hairlines, big numerals,
   hard edges, no diagonal cuts.
   ========================================================================== */
:root{
  --ink:#101012;
  --ink-2:#17171A;
  --ink-3:#1F1F23;
  --line:#2B2B31;
  --line-2:#3C3C44;
  --fg:#F3F0EB;
  --fg-2:#B3AEA6;
  --fg-3:#7C7770;
  --red:#E61F18;
  --red-2:#FF4A3D;
  --brick:#7C1D14;
  --paper:#F5F2EC;
  --paper-2:#EAE5DB;
  --p-ink:#151517;
  --p-ink-2:#57524E;
  --p-ink-3:#8B857C;
  --p-line:#DCD5C9;
  --card:var(--ink);
  --r:0px;
  --pad:clamp(20px,4.2vw,72px);
  --max:1440px;
  --font:"Helvetica Neue",Helvetica,Inter,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--fg);font-family:var(--font);font-size:16px;line-height:1.6;
     -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--red);color:#fff}

/* ---------- type ---------- */
h1,h2,h3{letter-spacing:-.04em;line-height:.98}
.h1{font-size:clamp(34px,4.8vw,66px);font-weight:700;text-wrap:balance;line-height:.96}
.h2{font-size:clamp(28px,3.9vw,56px);font-weight:700;line-height:1;text-wrap:balance}
.h3{font-size:clamp(19px,2.1vw,28px);font-weight:600;line-height:1.14;letter-spacing:-.03em}
.lead{font-size:clamp(16px,1.45vw,19px);color:var(--fg-2);line-height:1.62;max-width:60ch}
.lead strong{color:var(--fg);font-weight:600}
.label{display:flex;align-items:center;gap:11px;font-family:var(--mono);font-size:11px;
       letter-spacing:.16em;text-transform:uppercase;color:var(--red-2)}
.label::before{content:"";width:20px;height:2px;background:var(--red)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.red{color:var(--red-2)}

/* ---------- shell ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
/* No extra top margin when a block follows the page head directly */
.wrap>.commits:first-child,.wrap>.facts:first-child,.wrap>.lines:first-child,
.wrap>.fams:first-child,.wrap>.certs:first-child,.wrap>.matrix:first-child{margin-top:0}
section{position:relative}
.sec{padding-top:clamp(64px,8vw,124px);padding-bottom:clamp(64px,8vw,124px)}
.sec-sm{padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(40px,5vw,72px)}
.rule{height:1px;background:var(--line);border:0}

/* Paper section: flips the whole token set, components stay untouched */
.paper{background:var(--paper);color:var(--p-ink);--fg:var(--p-ink);--fg-2:var(--p-ink-2);
       --fg-3:var(--p-ink-3);--line:var(--p-line);--line-2:#C6BDAE;--card:#FFFFFF;
       --red-2:#C4170F}
.paper .label{color:#B8170F}
.paper ::selection{background:var(--p-ink);color:var(--paper)}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:90;background:rgba(16,16,18,.9);
       backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:clamp(14px,2.6vw,40px);height:74px}
.nav .brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav .brand img{height:38px;width:auto}
.nav nav{display:flex;gap:clamp(12px,1.5vw,26px);margin-left:auto;align-items:center}
.nav nav a{font-size:13px;color:var(--fg-2);transition:color .18s;white-space:nowrap}
.nav nav a:hover,.nav nav a.on{color:var(--fg)}
.nav nav a.on{box-shadow:inset 0 -2px 0 var(--red)}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--red);color:#fff;font-weight:600;
     font-size:13px;padding:13px 22px;border-radius:var(--r);border:0;cursor:pointer;
     transition:background .16s,transform .16s;white-space:nowrap;font-family:inherit}
.btn:hover{background:#FF3A2E;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line-2)}
.btn.ghost:hover{border-color:var(--red);color:var(--red-2);transform:none;background:transparent}
.btn.sm{padding:10px 16px;font-size:12px}
.wa{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
    border:1px solid var(--line-2);border-radius:50%;color:var(--fg-2);transition:.16s;flex:0 0 auto}
.wa:hover{border-color:var(--red);color:var(--red-2)}

/* dropdown */
.dd{position:relative}
.dd>a{display:inline-flex;align-items:center;gap:5px}
.dd>a::after{content:"";width:0;height:0;border-left:3.5px solid transparent;
             border-right:3.5px solid transparent;border-top:4px solid currentColor;opacity:.6}
.dd .menu{position:absolute;top:calc(100% + 16px);left:-18px;min-width:250px;display:none;
          background:var(--ink-2);border:1px solid var(--line-2);padding:8px 0;
          box-shadow:0 28px 48px rgba(0,0,0,.55);z-index:95}
.dd:hover .menu,.dd:focus-within .menu{display:block}
.dd .menu a{display:flex;justify-content:space-between;gap:16px;padding:9px 18px;font-size:13px;
            color:var(--fg-2)}
.dd .menu a:hover{background:var(--ink-3);color:var(--fg)}
.dd .menu a i{font-style:normal;font-family:var(--mono);font-size:10px;color:var(--fg-3)}
.dd .menu hr{border:0;border-top:1px solid var(--line);margin:7px 0}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
      background:
        radial-gradient(900px 640px at 94% 4%, rgba(230,31,24,.30), transparent 66%),
        radial-gradient(760px 560px at 104% 100%, rgba(124,29,20,.46), transparent 70%),
        var(--ink)}
.hero .grid{display:grid;grid-template-columns:minmax(0,1fr);align-items:center;
            min-height:min(64vh,600px);
            padding-top:clamp(52px,7vw,104px);padding-bottom:clamp(52px,7vw,104px)}
.hero .copy{max-width:min(100%,900px);position:relative;z-index:2}
.hero h1{margin-top:22px;font-size:clamp(31px,5.2vw,78px);letter-spacing:-.045em}
.hero h1 span{display:block}
.hero h1 span:last-child{color:var(--red-2)}
.hero .lead{margin-top:26px;max-width:54ch}
.hero .acts{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
/* hard red rule on the right, a nod to the roll edge */
.hero .edge{position:absolute;top:0;bottom:0;right:0;width:clamp(180px,26vw,420px);
            pointer-events:none;border-left:1px solid rgba(230,31,24,.55);
            background:linear-gradient(90deg,rgba(230,31,24,.09),transparent 62%)}

/* ---------- trust bar ---------- */
.trust{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);
       background:var(--ink-2)}
.trust>div{padding:clamp(20px,2.4vw,32px) clamp(16px,2.2vw,30px);border-right:1px solid var(--line);
           display:flex;flex-direction:column;gap:5px}
.trust>div:last-child{border-right:0}
.trust b{font-size:clamp(20px,2.3vw,30px);font-weight:700;letter-spacing:-.03em;line-height:1.1}
.trust span{font-size:12.5px;color:var(--fg);letter-spacing:.02em}
.trust i{font-style:normal;font-size:12px;color:var(--fg-3);line-height:1.5;max-width:34ch}

/* ---------- product cards ---------- */
.lines{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:44px;
       border:1px solid var(--line);border-right:0;border-bottom:0}
.line{display:flex;flex-direction:column;padding:0;background:var(--card);
      border-right:1px solid var(--line);border-bottom:1px solid var(--line);
      transition:background .2s;position:relative;overflow:hidden}
.line:hover{background:var(--ink-3)}
.paper .line:hover{background:#FBF9F5}
.line::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;
              background:transparent;transition:background .2s;z-index:2}
.line:hover::before{background:var(--red)}
.line .shot{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0B0B0C}
.line .shot img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.line:hover .shot img{transform:scale(1.05)}
.line .body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.line .code{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--red-2)}
.line h3{margin-top:10px;font-size:clamp(20px,2.1vw,27px);font-weight:700;letter-spacing:-.03em}
.line .claim{margin-top:8px;font-size:13.5px;color:var(--fg-2);line-height:1.5}
.line .go{margin-top:auto;padding-top:20px;font-size:12px;letter-spacing:.12em;
          text-transform:uppercase;color:var(--fg-3);display:flex;align-items:center;gap:8px}
.line:hover .go{color:var(--red-2)}

/* ---------- manufacturing chain ---------- */
.chain{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;margin-top:44px;
       border-top:1px solid var(--line)}
.chain>div{padding:26px 18px 30px 0;border-right:1px solid var(--line);position:relative}
.chain>div:last-child{border-right:0}
.chain .n{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--red-2)}
.chain b{display:block;margin-top:12px;font-size:15px;font-weight:600;letter-spacing:-.02em}
.chain p{margin-top:10px;font-size:12.5px;color:var(--fg-2);line-height:1.55;max-width:30ch}

/* ---------- fact grid ---------- */
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:40px;
       border:1px solid var(--line);border-right:0;border-bottom:0}
.facts>div{padding:22px 24px;background:var(--card);border-right:1px solid var(--line);
           border-bottom:1px solid var(--line)}
.facts dt{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--fg-3)}
.facts dd{margin-top:8px;font-size:clamp(16px,1.8vw,21px);font-weight:600;letter-spacing:-.02em;
          line-height:1.25}

/* ---------- colour family tiles ---------- */
.fams{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:44px;
      border:1px solid var(--line);border-right:0;border-bottom:0}
.fam{display:block;position:relative;background:var(--card);padding:0;
     border-right:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.fam .chip{display:block;height:148px;position:relative;overflow:hidden;
           padding:0;border:0;border-radius:0;background:none;cursor:default}
.fam .chip img{display:block;width:100%;height:100%;object-fit:cover;filter:saturate(1.06);
               transition:transform .55s cubic-bezier(.2,.7,.2,1)}
.fam:hover .chip img{transform:scale(1.08)}
.fam .meta{padding:13px 15px 15px;display:flex;align-items:baseline;justify-content:space-between;
           gap:10px}
.fam .meta b{font-size:14.5px;font-weight:600}
.fam .meta i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--fg-3)}

/* ---------- text cards ---------- */
.commits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin-top:44px;
         border:1px solid var(--line);border-right:0;border-bottom:0}
.commit{padding:clamp(24px,3vw,38px);background:var(--card);
        border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.commit h3{margin:0;font-size:clamp(18px,1.9vw,24px);font-weight:600;letter-spacing:-.03em}
.commit p{margin-top:12px;font-size:14px;color:var(--fg-2);line-height:1.65;max-width:52ch}
/* Odd count: last card spans the full row so nothing is left hanging */
.commit:last-child:nth-child(odd){grid-column:1/-1}

/* ---------- colour wall ---------- */
.cbar{position:sticky;top:74px;z-index:60;background:rgba(245,242,236,.95);
      backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
      border-bottom:1px solid var(--p-line)}
.cbar .in{display:flex;align-items:center;gap:9px;padding-top:13px;padding-bottom:13px;flex-wrap:wrap}
.cbar .grp{display:flex;gap:7px;align-items:center}
.cbar .grp>em{font-style:normal;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;
              text-transform:uppercase;color:var(--p-ink-3);margin-right:2px;flex:0 0 auto}
.cbar .sep{width:1px;height:22px;background:var(--p-line);margin:0 4px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--p-ink-2);
      border:1px solid #C6BDAE;padding:7px 13px;border-radius:0;cursor:pointer;
      background:transparent;font-family:inherit;transition:.15s;white-space:nowrap}
.chip:hover{border-color:var(--p-ink);color:var(--p-ink)}
.chip.on{background:var(--p-ink);border-color:var(--p-ink);color:var(--paper)}
.chip i{font-style:normal;font-family:var(--mono);font-size:10px;opacity:.65}
.search{margin-left:auto;position:relative}
.search input{background:#fff;border:1px solid #C6BDAE;color:var(--p-ink);
              padding:8px 14px 8px 33px;border-radius:0;font-size:13px;width:220px;
              font-family:inherit;outline:none;transition:border-color .15s}
.search input:focus{border-color:var(--p-ink)}
.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--p-ink-3)}

.wall{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:9px}
.sw{position:relative;border:1px solid var(--p-line);
    cursor:pointer;background:#fff;transition:border-color .15s,box-shadow .15s}
.sw:hover{border-color:var(--p-ink);box-shadow:0 6px 18px rgba(0,0,0,.09)}
.sw .ph{position:relative;aspect-ratio:1/1;overflow:hidden;background:var(--paper-2)}
.sw .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.sw:hover .ph img{transform:scale(1.08)}
.sw .txt{padding:8px 9px 10px}
.sw .txt b{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
           font-size:11px;font-weight:600;line-height:1.3;overflow:hidden;min-height:2.6em}
.sw .txt i{display:block;margin-top:2px;font-style:normal;font-family:var(--mono);
           font-size:9px;color:var(--p-ink-3)}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
       padding:24px;background:rgba(8,8,9,.88);backdrop-filter:blur(6px)}
.modal.on{display:flex}
.modal .card{display:grid;grid-template-columns:1fr 1fr;max-width:880px;width:100%;
             background:var(--ink-2);border:1px solid var(--line-2);overflow:hidden;color:var(--fg)}
.modal .pic{background:#0B0B0C}
.modal .pic img{width:100%;height:100%;object-fit:cover}
.modal .info{padding:clamp(24px,3vw,40px);position:relative}
.modal .info h3{font-size:clamp(22px,2.6vw,32px)}
.modal .info .code{margin-top:10px;font-family:var(--mono);font-size:12px;color:var(--red-2);
                   letter-spacing:.1em}
.modal dl{margin-top:24px;display:grid;grid-template-columns:auto 1fr;gap:9px 20px;font-size:13.5px}
.modal dt{color:var(--fg-3);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;padding-top:3px}
.modal .x{position:absolute;top:10px;right:10px;width:34px;height:34px;border:0;background:transparent;
          color:var(--fg-2);cursor:pointer;font-size:22px;line-height:1}
.modal .x:hover{color:#fff}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px);align-items:center}
.split.top{align-items:start}
.split .pic{position:relative;overflow:hidden;border:1px solid var(--line);background:#0B0B0C}
.split .pic img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split .pic.doc{background:#fff}
.split .pic.doc img{object-fit:contain;aspect-ratio:3/4;padding:10px}
.ticks{list-style:none;margin-top:26px;display:grid;gap:11px}
.ticks li{position:relative;padding-left:24px;font-size:14.5px;color:var(--fg-2);line-height:1.55}
.ticks li::before{content:"";position:absolute;left:0;top:8px;width:10px;height:2px;background:var(--red)}

/* ---------- spec matrix ---------- */
.matrix{margin-top:38px;border:1px solid var(--line);border-right:0;overflow-x:auto}
.matrix table{width:100%;border-collapse:collapse;font-size:13.5px}
.matrix th,.matrix td{text-align:left;padding:15px 18px;border-right:1px solid var(--line);
                      border-bottom:1px solid var(--line);vertical-align:top}
.matrix thead th{background:var(--ink-3);font-size:10.5px;letter-spacing:.13em;
                 text-transform:uppercase;color:var(--fg-3);font-weight:500;white-space:nowrap}
.matrix tbody th{background:transparent;font-weight:600;color:var(--fg);white-space:nowrap;
                 font-size:12.5px;letter-spacing:.02em}
.matrix td{color:var(--fg-2)}
.matrix tr:last-child th,.matrix tr:last-child td{border-bottom:0}
.matrix th:last-child,.matrix td:last-child{border-right:0}
.paper .matrix thead th{background:var(--paper-2);color:var(--p-ink-3)}
.paper .matrix td{color:var(--p-ink-2)}

/* ---------- certification ---------- */
.certs{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:0;margin-top:36px;
       border:1px solid var(--line);border-right:0;border-bottom:0}
.certs>div{padding:22px 24px;background:var(--card);border-right:1px solid var(--line);
           border-bottom:1px solid var(--line)}
.certs b{display:block;font-size:16px;font-weight:700;letter-spacing:-.02em}
.certs span{display:block;margin-top:6px;font-size:12px;color:var(--fg-3);line-height:1.45}

.stds{margin-top:34px;border-top:1px solid var(--line)}
.stds .row{display:grid;grid-template-columns:170px 1fr 190px;gap:clamp(14px,3vw,40px);
           padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.stds .c{font-family:var(--mono);font-size:13px;color:var(--red-2);letter-spacing:.04em}
.stds .t{font-size:14px;color:var(--fg)}
.stds .k{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-3);
         text-align:right}

/* ---------- gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;
     border:1px solid var(--line);border-right:0;border-bottom:0}
.gal figure{margin:0;background:#0B0B0C;overflow:hidden;
            border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.gal img{display:block;width:100%;height:clamp(200px,23vw,320px);object-fit:cover;
         transition:transform .55s}
.gal figure:hover img{transform:scale(1.05)}
.gal figcaption{padding:11px 13px;font-size:12px;color:var(--fg-2);background:var(--card)}

/* ---------- product hero ---------- */
.lhero{border-bottom:1px solid var(--line);background:
        radial-gradient(680px 420px at 84% 26%, rgba(230,31,24,.18), transparent 70%),var(--ink-2)}
.lhero .grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(24px,4vw,60px);
             align-items:center;padding-top:clamp(44px,6vw,80px);padding-bottom:clamp(44px,6vw,80px)}
.lhero .code{font-family:var(--mono);font-size:clamp(13px,1.4vw,16px);letter-spacing:.16em;
             color:var(--red-2)}
.lhero h1{margin-top:14px;font-size:clamp(32px,4.4vw,58px);font-weight:700;letter-spacing:-.04em;
          line-height:1.02;text-wrap:balance}
.lhero .pic{border:1px solid var(--line);overflow:hidden;background:#0B0B0C}
.lhero .pic img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- crumb / pagehead ---------- */
.crumb{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--fg-3);
       padding-top:22px;flex-wrap:wrap}
.crumb a:hover{color:var(--fg)}
.crumb i{font-style:normal;color:var(--line-2)}
.pagehead{padding-top:clamp(26px,3.6vw,44px);padding-bottom:clamp(26px,3.6vw,42px)}
.pagehead h1{margin-top:14px}
.pagehead .lead{margin-top:18px}

/* ---------- red CTA band ---------- */
.band{background:linear-gradient(104deg,var(--brick),var(--red) 62%,#FF3A2E);color:#fff;
      position:relative;overflow:hidden}
.band::after{content:"";position:absolute;top:-40%;right:-6%;width:44%;height:180%;
             background:rgba(255,255,255,.08);transform:skewX(-14deg)}
.band .in{display:flex;align-items:center;justify-content:space-between;gap:32px;
          padding-top:clamp(34px,4.2vw,58px);padding-bottom:clamp(34px,4.2vw,58px);flex-wrap:wrap;
          position:relative;z-index:1}
.band h2{font-size:clamp(23px,3.1vw,42px);font-weight:700;letter-spacing:-.035em;max-width:34ch;text-wrap:balance}
.band p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.9);max-width:44ch}
.band .btn{background:#fff;color:var(--brick)}
.band .btn:hover{background:#FFF0EE}

/* ---------- FAQ ---------- */
.faq{margin-top:38px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;
             padding:20px 0;cursor:pointer;font-size:clamp(15px,1.7vw,18px);font-weight:600;
             letter-spacing:-.02em;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:19px;color:var(--red-2);
                    flex:0 0 auto;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 22px;font-size:14px;color:var(--fg-2);line-height:1.65;max-width:76ch}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,64px);align-items:start}
.ccard{border:1px solid var(--line);background:var(--card)}
.ccard .row{display:flex;justify-content:space-between;gap:20px;padding:17px 22px;
            border-bottom:1px solid var(--line);font-size:14px;align-items:baseline}
.ccard .row:last-child{border-bottom:0}
.ccard .row span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3)}
.ccard .row b{font-weight:600;letter-spacing:-.01em}
.form{display:grid;gap:13px;margin-top:22px}
.form label{display:grid;gap:6px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;
            color:var(--fg-3)}
.form input,.form textarea,.form select{background:var(--card);border:1px solid var(--line-2);
            color:var(--fg);padding:12px 14px;font-family:inherit;font-size:14px;outline:none;
            border-radius:0;transition:border-color .15s;width:100%}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--red)}
.form textarea{resize:vertical;min-height:110px}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:13px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);background:var(--ink-2);
       padding-top:clamp(42px,5vw,70px);padding-bottom:28px}
.fgrid{display:grid;grid-template-columns:1.5fr .8fr .8fr .9fr;gap:clamp(24px,3vw,48px)}
.fgrid .brand img{height:32px;width:auto}
.fgrid .brand p{margin-top:16px;font-size:13px;color:var(--fg-3);line-height:1.65;max-width:32ch}
.fgrid h4{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3);
          margin-bottom:14px}
.fgrid ul{list-style:none;display:grid;gap:9px;font-size:13.5px;color:var(--fg-2)}
.fgrid ul a:hover{color:var(--red-2)}
.fbot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
      margin-top:clamp(30px,4vw,50px);padding-top:22px;border-top:1px solid var(--line);
      font-size:12px;color:var(--fg-3)}
.fbot .tag{letter-spacing:.14em;text-transform:uppercase;color:var(--red-2)}

/* ---------- burger ---------- */
.burger{display:none;margin-left:auto;background:transparent;border:0;color:var(--fg);
        cursor:pointer;padding:8px}

/* ==========================================================================
   responsive
   ========================================================================== */
@media(max-width:1080px){
  .hero .grid{min-height:0}
  .hero .edge{width:26vw;opacity:.55}
  .lines{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fams{grid-template-columns:repeat(3,minmax(0,1fr))}
  .commits{grid-template-columns:1fr}
  .chain{grid-template-columns:repeat(3,minmax(0,1fr))}
  .chain>div:nth-child(3n){border-right:0}
  .chain>div:nth-child(n+4){border-top:1px solid var(--line);padding-top:24px}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .certs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wall{grid-template-columns:repeat(6,minmax(0,1fr))}
  .fgrid{grid-template-columns:1fr 1fr}
  .split,.contact,.lhero .grid{grid-template-columns:1fr}
  .stds .row{grid-template-columns:150px 1fr}
  .stds .k{display:none}
}
@media(max-width:760px){
  .nav{position:relative;height:66px}
  .nav nav{display:none}
  .nav nav.open{display:flex;flex-direction:column;gap:0;margin-left:0;align-items:stretch;
    position:absolute;top:100%;left:0;right:0;z-index:120;
    background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:6px var(--pad) 12px;box-shadow:0 24px 40px rgba(0,0,0,.6)}
  .nav nav.open a{padding:14px 0;font-size:15px;border-bottom:1px solid var(--line)}
  .nav nav.open a:last-child{border-bottom:0}
  .nav nav.open a.on{box-shadow:none;color:var(--red-2)}
  .nav .nav-cta{display:none}
  .nav .brand img{height:32px}
  .nav .wa{margin-left:auto!important}
  .nav .burger{margin-left:12px}
  .dd .menu{position:static;display:block;border:0;background:transparent;box-shadow:none;
            padding:0;min-width:0}
  .dd>a::after{display:none}
  .dd .menu a{padding:12px 0 12px 14px;border-bottom:1px solid var(--line);font-size:14px}
  .dd .menu hr{display:none}
  .burger{display:block}
  .hero .edge{display:none}
  .trust{grid-template-columns:1fr}
  .trust>div{border-right:0;border-bottom:1px solid var(--line)}
  .trust>div:last-child{border-bottom:0}
  .lines{grid-template-columns:1fr}
  .chain{grid-template-columns:1fr}
  .chain>div{border-right:0;border-top:1px solid var(--line);padding:20px 0}
  .chain>div:first-child{border-top:0}
  .chain p{max-width:none}
  .facts,.certs{grid-template-columns:1fr 1fr}
  .wall{grid-template-columns:repeat(3,minmax(0,1fr))}
  .gal{grid-template-columns:1fr 1fr}
  .gal img{height:150px}
  .gal figcaption{font-size:11px;padding:8px 9px}
  .modal .card{grid-template-columns:1fr}
  .modal .pic{max-height:38vh}
  .cbar .in{gap:7px}
  .cbar .grp{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;-ms-overflow-style:none;
             width:100%;padding-bottom:2px;
             -webkit-mask-image:linear-gradient(90deg,#000 86%,transparent 100%);
             mask-image:linear-gradient(90deg,#000 86%,transparent 100%)}
  .cbar .grp::-webkit-scrollbar{display:none}
  .search{margin-left:0;width:100%}
  .search input{width:100%}
  .cbar .sep{display:none}
  .fgrid{grid-template-columns:1fr}
  .stds .row{grid-template-columns:1fr;gap:4px}
  .form .row2{grid-template-columns:1fr}
  .matrix th,.matrix td{padding:12px 13px;font-size:12.5px}
}