/* ==========================================================================
   Silkoro Materials — v2 stylesheet (light-first revision)
   2026-10-08
   Palette: white / very light grey base, deep navy used only as a single
   conversion anchor. Copper accent. No external fonts (loads in China).
   ========================================================================== */

:root{
  /* deep navy — now used only for text weight and the single CTA band */
  --ink:#0d2137;
  --ink-2:#16324f;
  --ink-3:#25506f;
  --text:#20303f;

  --copper:#c0763c;
  --copper-2:#a05f28;
  --copper-soft:#fdf6ef;
  --copper-line:#ecd8c2;

  --paper:#ffffff;
  --mist:#f6f8fa;
  --mist-2:#eef3f7;
  --line:#e5eaf0;
  --line-strong:#d3dce5;
  --muted:#63768a;

  --ok:#2f7d5c;
  --warn:#a8622c;

  --wrap:1160px;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(13,33,55,.04), 0 8px 26px rgba(13,33,55,.055);
  --shadow-lg:0 2px 4px rgba(13,33,55,.05), 0 16px 42px rgba(13,33,55,.10);

  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 24px}

/* ---------- typography ---------- */
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.015em;font-weight:700;color:var(--ink)}
h1{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:800;letter-spacing:-.025em}
h2{font-size:clamp(1.6rem,2.9vw,2.2rem);font-weight:800;letter-spacing:-.02em}
h3{font-size:1.16rem}
h4{font-size:1rem}

.lede{font-size:1.075rem;color:var(--muted);line-height:1.75}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:.72rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--copper-2);
}
.kicker::before{content:"";width:22px;height:1px;background:var(--copper);display:block}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---------- utility bar ---------- */
.util{
  background:var(--paper);color:var(--muted);font-size:.82rem;
  border-top:3px solid var(--copper);
  border-bottom:1px solid var(--line);
}
.util .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;height:38px}
.util a{color:var(--ink-3);transition:color .18s}
.util a:hover{color:var(--copper-2)}
.util .u-left{display:flex;gap:20px;align-items:center;min-width:0}
.util .u-left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.util .u-right{display:flex;gap:18px;align-items:center;flex:none;font-weight:500}

/* ---------- header ---------- */
header.site{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:120;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(13,33,55,.02);
}
.site-nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand .mark{
  width:38px;height:38px;border-radius:9px;
  background:linear-gradient(145deg,var(--copper),#dda26a);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:1.05rem;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35);
}
.brand .name{font-size:1.13rem;font-weight:700;letter-spacing:-.01em;line-height:1.15;color:var(--ink)}
.brand .sub{display:block;font-family:var(--mono);font-size:.58rem;font-weight:500;letter-spacing:.2em;color:var(--muted);margin-top:2px}

nav.main ul{display:flex;align-items:center;gap:2px}
nav.main a{
  display:block;padding:9px 13px;border-radius:var(--radius-sm);
  font-size:.92rem;color:var(--muted);transition:background .18s,color .18s;
}
nav.main a:hover{background:var(--mist);color:var(--ink)}
nav.main a.active{color:var(--ink);font-weight:600;background:var(--mist)}
nav.main a.cta{
  background:var(--copper);color:#fff;font-weight:600;margin-left:10px;
  box-shadow:0 4px 14px rgba(192,118,60,.24);
}
nav.main a.cta:hover{background:var(--copper-2);color:#fff}

/* ---------- language switch (EN / عربي) ---------- */
.lang-switch{
  display:inline-flex;align-items:center;
  border:1px solid var(--line);border-radius:999px;overflow:hidden;
  font-family:var(--mono);font-size:.7rem;line-height:1;letter-spacing:.04em;
  margin-left:14px;
}
nav.main .lang-switch a,
.lang-switch a{
  display:block;padding:6px 11px;color:var(--muted);text-decoration:none;
  border-radius:0;background:transparent;
  transition:background .18s,color .18s;
}
nav.main .lang-switch a:hover,
.lang-switch a:hover{background:var(--mist);color:var(--ink)}
nav.main .lang-switch a.on,
.lang-switch a.on{background:var(--ink);color:#fff;font-weight:700}
nav.main .lang-switch a.on:hover,
.lang-switch a.on:hover{background:var(--ink);color:#fff}

.burger{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);position:relative;flex:none;background:var(--paper);
}
.burger span{position:absolute;left:11px;width:20px;height:1.8px;background:var(--ink);border-radius:2px;transition:.22s}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero (light) ---------- */
.hero{
  background:linear-gradient(168deg,#ffffff 0%,#f8fbfd 44%,#eaf2f8 100%);
  color:var(--text);
  position:relative;overflow:hidden;
  padding:70px 0 78px;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(13,33,55,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(13,33,55,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 95% 75% at 74% 12%,#000 22%,transparent 76%);
  -webkit-mask-image:radial-gradient(ellipse 95% 75% at 74% 12%,#000 22%,transparent 76%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-150px;top:-170px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(192,118,60,.13),transparent 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{color:var(--ink);margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--copper-2)}
.hero .lede{color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:22px;
  padding:5px 13px;border-radius:999px;
  background:var(--copper-soft);border:1px solid var(--copper-line);
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--copper-2);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--copper);display:block}

.badges{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:30px}
.badge{
  background:var(--paper);border:1px solid var(--line-strong);
  padding:6px 13px;border-radius:999px;font-size:.79rem;color:var(--muted);
}
.badge b{color:var(--ink);font-weight:600}

.actions{display:flex;gap:13px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-sm);
  font-weight:600;font-size:.95rem;transition:transform .18s,background .18s,border-color .18s,box-shadow .18s,color .18s;
  border:1px solid transparent;
}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 6px 20px rgba(192,118,60,.26)}
.btn-primary:hover{background:var(--copper-2);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:var(--paper)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper-2);background:var(--copper-soft)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-outline{border-color:var(--line-strong);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--copper);color:var(--copper-2);background:var(--copper-soft)}
.btn .arw{transition:transform .18s}
.btn:hover .arw{transform:translateX(3px)}
/* on the dark CTA band */
.btn-on-dark{border-color:rgba(255,255,255,.32);color:#fff}
.btn-on-dark:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* hero side panel — white spec card */
.spec-panel{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:16px;padding:22px;
  box-shadow:var(--shadow-lg);
}
.spec-panel .sp-head{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  padding-bottom:13px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.spec-panel .sp-head h3{color:var(--ink);font-size:.86rem;font-family:var(--mono);letter-spacing:.04em;font-weight:700}
.spec-panel .sp-head span{font-family:var(--mono);font-size:.66rem;color:var(--muted);letter-spacing:.1em;text-align:right}
.spec-row{display:flex;justify-content:space-between;gap:14px;padding:8px 0;font-size:.86rem;border-bottom:1px dashed var(--line)}
.spec-row:last-of-type{border-bottom:0}
.spec-row dt{color:var(--muted);flex:none}
.spec-row dd{color:var(--ink);font-weight:600;text-align:right;font-family:var(--mono);font-size:.8rem}
.cable-figure{margin-top:6px;padding:8px 0 4px;background:var(--mist);border-radius:10px}
.cable-figure svg{margin:0 auto}
.cable-caption{
  text-align:center;font-family:var(--mono);font-size:.66rem;color:var(--muted);
  letter-spacing:.06em;margin:0 0 8px;
}

/* ---------- sections ---------- */
section{padding:80px 0}
section.tight{padding:58px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .kicker{margin-bottom:13px}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:1.03rem;line-height:1.72}

.bg-mist{background:var(--mist)}
.bg-mist-2{background:var(--mist-2)}

/* ---------- stat strip ---------- */
.stat-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{padding:30px 24px;border-right:1px solid var(--line);text-align:center}
.stat-cell:last-child{border-right:0}
.stat-cell .n{font-size:1.75rem;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.15}
.stat-cell .n small{font-size:.85rem;font-weight:600;color:var(--copper-2);margin-left:2px}
.stat-cell .l{font-size:.83rem;color:var(--muted);margin-top:5px}

/* ---------- cards ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .22s,box-shadow .22s,border-color .22s;
  position:relative;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.card .num{
  font-family:var(--mono);font-size:.72rem;font-weight:600;color:var(--copper-2);
  letter-spacing:.1em;margin-bottom:14px;display:block;
}
.card h3{margin-bottom:9px}
.card p{color:var(--muted);font-size:.92rem}
.card .icon{
  width:46px;height:46px;border-radius:11px;background:var(--copper-soft);
  display:grid;place-items:center;margin-bottom:16px;color:var(--copper-2);
  border:1px solid var(--copper-line);
}
.card .icon svg{width:22px;height:22px}
.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.tag{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.04em;
  background:var(--mist);border:1px solid var(--line);color:var(--muted);
  padding:3px 9px;border-radius:5px;
}
.card .spec-list{margin-top:15px;padding-top:15px;border-top:1px dashed var(--line);font-size:.86rem;color:var(--muted)}
.card .spec-list li{padding:3.5px 0 3.5px 17px;position:relative}
.card .spec-list li::before{content:"";position:absolute;left:2px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--copper);opacity:.65}
.card .spec-list li strong{color:var(--ink)}

/* ---------- range coverage strip ---------- */
.cov{
  margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 30px;box-shadow:var(--shadow);
}
.cov-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.cov-head h4{font-size:1.02rem;color:var(--ink)}
.cov-head .cnt{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;color:var(--copper-2);text-transform:uppercase}
.cov > p.hint{font-size:.88rem;color:var(--muted);margin-bottom:18px;max-width:70ch}
.cov-tags{display:flex;flex-wrap:wrap;gap:9px}
.cov-tags span{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.01em;
  padding:7px 13px;border:1px solid var(--line);border-radius:999px;
  background:var(--mist);color:var(--text);white-space:nowrap;
}
.cov-tags span b{color:var(--copper-2);font-weight:700}
.cov-foot{margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);font-size:.86rem;color:var(--muted)}
.cov-foot a{color:var(--copper-2);font-weight:600}
.bg-mist .cov,.bg-mist-2 .cov{background:#fff}

/* ---------- range index (four-dimension product hub) ---------- */
.rng{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:#fff;box-shadow:var(--shadow);
}
.rng-col{padding:25px 22px 22px;border-right:1px solid var(--line);display:flex;flex-direction:column}
.rng-col:last-child{border-right:0}
.rng-col > h3{
  font-size:.73rem;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;
  color:var(--copper-2);font-weight:700;margin-bottom:5px;
}
.rng-col .rng-sub{font-size:.78rem;color:var(--muted);line-height:1.5;margin-bottom:15px}
.rng-col ul{list-style:none;display:grid;flex:1;align-content:start}
.rng-col li{border-top:1px solid var(--line)}
.rng-col li:first-child{border-top:0}
.rng-col li a{display:block;padding:7px 0;font-size:.865rem;color:var(--text);line-height:1.4}
.rng-col li a:hover{color:var(--copper-2)}
.rng-col li .soon{display:block;padding:7px 0;font-size:.865rem;color:var(--muted);line-height:1.4}
.rng-col li .soon em{
  font-style:normal;font-family:var(--mono);font-size:.6rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--line-strong);padding-left:5px;
}
html[dir="rtl"] .rng-col li .soon em{padding-left:0;padding-right:5px}
.rng-note{
  margin-top:16px;font-size:.845rem;color:var(--muted);
  padding-left:14px;border-left:3px solid var(--copper-line);
}
html[dir="rtl"] .rng-note{padding-left:0;padding-right:14px;border-left:0;border-right:3px solid var(--copper-line)}

/* ---------- copper price panel ---------- */
.cu{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.cu-top{display:grid;grid-template-columns:330px 1fr;border-bottom:1px solid var(--line)}
.cu-quote{
  padding:26px 28px;border-right:1px solid var(--line);
  background:linear-gradient(170deg,var(--copper-soft),#fff 78%);
}
.cu-quote .lb{
  font-family:var(--mono);font-size:.68rem;font-weight:600;letter-spacing:.13em;
  color:var(--copper-2);text-transform:uppercase;
}
.cu-price{
  font-size:2.4rem;font-weight:800;color:var(--ink);letter-spacing:-.035em;
  line-height:1.04;margin-top:11px;
}
.cu-price small{font-size:.78rem;font-weight:600;color:var(--muted);letter-spacing:0;margin-left:5px}
.cu-chg{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-family:var(--mono);font-size:.82rem;font-weight:600;
  padding:4px 10px;border-radius:100px;border:1px solid var(--copper-line);
  background:#fff;color:var(--copper-2);
}
.cu-chg.down{border-color:var(--line-strong);color:#2f6d8c}
.cu-chg.flat{border-color:var(--line-strong);color:var(--muted)}
.cu-meta{font-size:.78rem;color:var(--muted);margin-top:13px;line-height:1.6}
.cu-live{
  display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);
  margin-right:6px;vertical-align:middle;
}
.cu-explain{padding:26px 30px}
.cu-explain h4{font-size:1rem;margin-bottom:10px}
.cu-explain p{font-size:.9rem;color:var(--muted);line-height:1.68}
.cu-rules{list-style:none;margin-top:16px;display:grid;gap:9px}
.cu-rules li{
  font-size:.875rem;color:var(--text);padding-left:22px;position:relative;line-height:1.55;
}
.cu-rules li::before{
  content:"";position:absolute;left:0;top:.52em;width:9px;height:9px;
  border-radius:2px;background:var(--copper);opacity:.85;
}
.cu-calc{padding:24px 30px 26px;background:var(--mist)}
.cu-calc-head{
  font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.13em;
  color:var(--muted);text-transform:uppercase;margin-bottom:16px;
}
.cu-fields{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}
.cu-field{display:flex;flex-direction:column;gap:6px}
.cu-field label{font-size:.75rem;font-weight:600;color:var(--muted);letter-spacing:.02em}
.cu-field .in{display:flex;align-items:center;gap:0}
.cu-field input{
  width:104px;padding:9px 11px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  font-family:var(--mono);font-size:.92rem;color:var(--ink);background:#fff;
}
.cu-field input:focus{outline:2px solid var(--copper);outline-offset:-1px;border-color:var(--copper)}
.cu-field .u{
  font-family:var(--mono);font-size:.8rem;color:var(--muted);
  padding:9px 0 9px 7px;
}
.cu-out{
  display:flex;flex-wrap:wrap;gap:34px;margin-top:22px;padding-top:20px;
  border-top:1px dashed var(--line-strong);
}
.cu-out .cell{min-width:150px}
.cu-out .k{
  display:block;font-size:.75rem;font-weight:600;color:var(--muted);
  letter-spacing:.02em;margin-bottom:5px;
}
.cu-out strong{
  font-family:var(--mono);font-size:1.45rem;font-weight:700;color:var(--ink);
  letter-spacing:-.02em;
}
.cu-out strong em{font-style:normal;font-size:.82rem;color:var(--muted);margin-left:4px}
.cu-foot{font-size:.775rem;color:var(--muted);margin-top:18px;line-height:1.65}
.cu-foot a{color:var(--copper-2);font-weight:600}
@media(max-width:900px){
  .cu-top{grid-template-columns:1fr}
  .cu-quote{border-right:0;border-bottom:1px solid var(--line)}
}
@media(max-width:520px){
  .cu-fields{gap:12px}
  .cu-field input{width:88px}
  .cu-out{gap:22px}
  .cu-price{font-size:2rem}
}

/* ---------- factory page : video ---------- */
.video-block{
  margin:0;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:#0d2137;box-shadow:var(--shadow-lg);
}
.video-block video{display:block;width:100%;height:auto;background:#0d2137}
.video-block figcaption{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:14px 20px;background:var(--paper);border-top:1px solid var(--line);
  font-size:.82rem;color:var(--muted);
}
.video-block figcaption a{color:var(--copper-2);font-weight:600;white-space:nowrap}

/* ---------- factory page : process shots ---------- */
.shot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.shot{
  margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.shot:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.shot img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:cover}
.shot figcaption{padding:22px 24px 24px}
.shot-no{
  font-family:var(--mono);font-size:.7rem;font-weight:600;letter-spacing:.11em;
  color:var(--copper-2);text-transform:uppercase;display:block;margin-bottom:9px;
}
.shot h3{margin-bottom:8px;font-size:1.06rem}
.shot p{font-size:.885rem;color:var(--muted);line-height:1.62}

/* ---------- factory page : facility strip ---------- */
.fac-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fac{
  margin:0;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-sm);overflow:hidden;
}
.fac img{display:block;width:100%;height:auto;aspect-ratio:2/1;object-fit:cover}
.fac figcaption{padding:13px 16px 15px;font-size:.815rem;color:var(--muted);line-height:1.55}

/* ---------- home : video teaser ---------- */
.video-teaser{
  position:relative;display:block;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#0d2137;
}
.video-teaser img{display:block;width:100%;height:auto;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.video-teaser:hover img{transform:scale(1.04)}
.video-teaser .play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:76px;height:76px;border-radius:50%;background:rgba(255,255,255,.94);
  box-shadow:0 10px 34px rgba(9,26,44,.34);transition:transform .22s;
}
.video-teaser:hover .play{transform:translate(-50%,-50%) scale(1.08)}
.video-teaser .play::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-38%,-50%);
  border-style:solid;border-width:13px 0 13px 21px;
  border-color:transparent transparent transparent var(--ink);
}
.video-teaser .vt-cap{
  position:absolute;left:0;right:0;bottom:0;padding:18px 18px 15px;
  background:linear-gradient(0deg,rgba(9,26,44,.9),rgba(9,26,44,0));
  color:#fff;font-size:.85rem;font-weight:600;
}
.video-teaser .vt-cap small{display:block;font-weight:500;opacity:.78;font-size:.775rem;margin-top:3px}

/* ---------- factory page : note block ---------- */
.note-block{
  padding:26px 30px;border-radius:var(--radius);
  background:var(--copper-soft);border:1px solid var(--copper-line);
  color:#6d4423;font-size:.9rem;line-height:1.7;
}
.note-block h3{color:#5a3520;font-size:1.02rem;margin-bottom:11px}
.note-block p{color:#6d4423}
.wrap.narrow-ish{max-width:830px}
.link-arw{color:var(--copper-2);font-weight:600}

@media(max-width:900px){
  .shot-grid{grid-template-columns:1fr}
  .fac-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .fac-grid{grid-template-columns:1fr}
}

@media(max-width:1000px){.rng{grid-template-columns:repeat(2,1fr)}.rng-col:nth-child(2){border-right:0}.rng-col:nth-child(1),.rng-col:nth-child(2){border-bottom:1px solid var(--line)}}
@media(max-width:520px){.rng{grid-template-columns:1fr}.rng-col{border-right:0;border-bottom:1px solid var(--line)}.rng-col:last-child{border-bottom:0}}

/* ---------- standard landing page ---------- */
.std-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.std-facts div{padding:14px 17px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.std-facts div:nth-child(2n){border-right:0}
.std-facts dt{font-family:var(--mono);font-size:.66rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.std-facts dd{font-size:.92rem;color:var(--ink);font-weight:600;line-height:1.4}
.std-facts dd .mono{font-weight:400}
@media(max-width:520px){.std-facts{grid-template-columns:1fr}.std-facts div{border-right:0}}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split.wide-left{grid-template-columns:1.1fr .9fr}

/* ---------- check list ---------- */
.checks{font-size:.94rem}
.checks li{padding:7px 0 7px 30px;position:relative;color:var(--text)}
.checks li strong{color:var(--ink)}
.checks li::before{
  content:"";position:absolute;left:0;top:12px;width:16px;height:16px;border-radius:50%;
  background:var(--copper-soft);border:1px solid var(--copper-line);
}
.checks li::after{
  content:"";position:absolute;left:5px;top:16px;width:6px;height:3px;
  border-left:1.7px solid var(--copper-2);border-bottom:1.7px solid var(--copper-2);
  transform:rotate(-45deg);
}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:8px}
.step .dot{
  width:42px;height:42px;border-radius:50%;background:var(--paper);
  border:1.5px solid var(--copper);color:var(--copper-2);
  font-family:var(--mono);font-weight:700;font-size:.95rem;
  display:grid;place-items:center;margin-bottom:15px;
}
.step h4{margin-bottom:7px;font-size:.98rem}
.step p{font-size:.87rem;color:var(--muted)}
.step::after{
  content:"";position:absolute;top:29px;left:52px;right:-14px;height:1px;
  background:repeating-linear-gradient(90deg,var(--line-strong) 0 5px,transparent 5px 10px);
}
.step:last-child::after{display:none}

/* ---------- spec table ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}
table.spec{width:100%;border-collapse:collapse;font-size:.89rem;min-width:620px}
table.spec caption{text-align:left;padding:14px 18px 0;font-size:.72rem;letter-spacing:.08em;color:var(--muted);font-family:var(--mono)}
table.spec th{
  background:var(--ink);color:#dbe7f1;text-align:left;padding:13px 18px;
  font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  white-space:nowrap;
}
table.spec td{padding:13px 18px;border-top:1px solid var(--line);color:var(--muted);vertical-align:top}
table.spec tr:nth-child(even) td{background:#fbfcfd}
table.spec td:first-child{color:var(--ink);font-weight:600}
table.spec code{
  font-family:var(--mono);font-size:.83rem;background:var(--mist);
  padding:2px 6px;border-radius:4px;color:var(--ink-3);white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;justify-content:space-between;align-items:flex-start;gap:20px;
  padding:19px 0;cursor:pointer;list-style:none;
  font-weight:600;color:var(--ink);font-size:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ico{
  flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line-strong);
  position:relative;margin-top:2px;transition:.2s;background:var(--paper);
}
.faq summary .ico::before,.faq summary .ico::after{content:"";position:absolute;background:var(--muted);transition:.2s}
.faq summary .ico::before{left:6px;top:10px;width:8px;height:1.5px}
.faq summary .ico::after{left:10px;top:6px;width:1.5px;height:8px}
.faq details[open] summary .ico{border-color:var(--copper);transform:rotate(180deg);background:var(--copper-soft)}
.faq details[open] summary .ico::after{opacity:0}
.faq details[open] summary .ico::before{background:var(--copper)}
.faq .ans{padding:0 40px 22px 0;color:var(--muted);font-size:.94rem;line-height:1.75}
.faq .ans strong{color:var(--ink)}

/* ---------- notice / callout ---------- */
.notice{
  display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius-sm);
  background:var(--copper-soft);border:1px solid var(--copper-line);font-size:.9rem;color:#6d4423;
}
.notice .ni{
  flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  border:1.4px solid var(--copper);color:var(--copper-2);
  font-size:.72rem;font-weight:700;font-style:italic;line-height:1;
}
.notice strong{display:block;color:#5a3520;margin-bottom:3px}
.notice em{font-style:italic}

/* ---------- media: photos & video ---------- */
.gallery{display:grid;gap:16px}
.gallery-3{grid-template-columns:repeat(3,1fr)}
.gallery-4{grid-template-columns:repeat(4,1fr)}
.media-figure{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .22s,box-shadow .22s;
}
.media-figure:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.media-figure .frame{background:var(--mist);aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden}
.media-figure .frame img{width:100%;height:100%;object-fit:cover}
.media-figure figcaption{padding:13px 16px;font-size:.85rem;color:var(--muted);border-top:1px solid var(--line)}
.media-figure figcaption b{display:block;color:var(--ink);font-size:.9rem;font-weight:600;margin-bottom:2px}

/* placeholder block used until real factory photos arrive */
.ph{
  aspect-ratio:4/3;background:
    repeating-linear-gradient(45deg,var(--mist) 0 10px,var(--mist-2) 10px 20px);
  display:grid;place-items:center;border-bottom:1px solid var(--line);
}
.ph span{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}

.video-embed{
  position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--radius);
  overflow:hidden;background:var(--ink);border:1px solid var(--line);
}
.video-embed iframe,.video-embed video{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-note{font-size:.82rem;color:var(--muted);margin-top:10px;text-align:center}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.contact-methods{display:grid;gap:14px}
.cm{
  display:flex;gap:15px;align-items:center;padding:18px 20px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.cm:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateX(3px)}
.cm .cmi{
  flex:none;width:42px;height:42px;border-radius:10px;background:var(--copper-soft);
  border:1px solid var(--copper-line);display:grid;place-items:center;color:var(--copper-2);
}
.cm .cmi svg{width:20px;height:20px}
.cm .cmb{min-width:0}
.cm .cml{font-size:.75rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-family:var(--mono)}
.cm .cmv{font-weight:600;color:var(--ink);word-break:break-word;font-size:.98rem}
.cm:hover .cmv{color:var(--copper-2)}

.form-card{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.form-card h3{margin-bottom:8px}
.form-card>p{font-size:.9rem;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:15px}
.field label{display:block;font-size:.83rem;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:11px 13px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  font:inherit;font-size:.92rem;color:var(--text);background:var(--paper);
  transition:border-color .18s,box-shadow .18s;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(192,118,60,.13);
}
.field .hint{font-size:.78rem;color:var(--muted);margin-top:5px}

/* ---------- CTA band — the ONLY dark block by design ---------- */
.cta-band{
  background:linear-gradient(150deg,var(--ink) 0%,var(--ink-2) 62%,#1d4467 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-110px;bottom:-190px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(192,118,60,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{color:#a8bccf;max-width:560px}

/* ---------- page head ---------- */
.page-head{
  background:linear-gradient(165deg,#ffffff 0%,#f8fbfd 50%,#eaf2f8 100%);
  color:var(--text);padding:50px 0 54px;position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(13,33,55,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(13,33,55,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 80% at 80% 0%,#000 18%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 80% 0%,#000 18%,transparent 72%);
}
.page-head::after{
  content:"";position:absolute;right:-100px;top:-150px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(192,118,60,.14),transparent 68%);
}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{color:var(--ink);margin-bottom:12px}
.page-head .lede{color:var(--muted);max-width:700px}
.crumb{font-family:var(--mono);font-size:.73rem;letter-spacing:.08em;color:var(--muted);margin-bottom:15px;text-transform:uppercase}
.crumb a:hover{color:var(--copper-2)}
.crumb span{color:var(--line-strong);margin:0 7px}

/* ---------- footer ---------- */
footer.site{background:var(--mist);color:var(--muted);padding:52px 0 28px;font-size:.88rem;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:34px;border-bottom:1px solid var(--line-strong)}
.foot-grid h4{color:var(--ink);font-size:.78rem;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;margin-bottom:15px;font-weight:700}
.foot-grid li{padding:4px 0}
.foot-grid a{color:var(--muted);transition:color .18s}
.foot-grid a:hover{color:var(--copper-2)}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{color:var(--muted);font-size:.87rem;max-width:290px;line-height:1.7}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:.81rem;color:var(--muted)}
.foot-bottom a:hover{color:var(--copper-2)}

/* ---------- misc ---------- */
.mt-xl{margin-top:52px}
.mt-l{margin-top:36px}
.mt-m{margin-top:22px}
.center{text-align:center}
.mono{font-family:var(--mono)}
.nowrap{white-space:nowrap}
.divider{height:1px;background:var(--line);margin:56px 0}
.small{font-size:.83rem;color:var(--muted)}
.mono-block{
  font-family:var(--mono);font-size:.92rem;line-height:1.9;
  color:var(--copper-2);background:var(--copper-soft);
  border:1px solid var(--copper-line);border-radius:var(--radius-sm);padding:20px 22px;
}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .gallery-4{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .hero-grid,.split,.split.wide-left,.contact-grid{grid-template-columns:1fr;gap:38px}
  .steps{grid-template-columns:repeat(2,1fr);gap:30px}
  .step::after{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:820px){
  .burger{display:block}
  nav.main{
    position:fixed;left:0;right:0;top:108px;
    background:var(--paper);border-top:1px solid var(--line);
    padding:10px 24px 20px;display:none;
    box-shadow:0 20px 40px rgba(13,33,55,.13);
    max-height:calc(100vh - 108px);overflow-y:auto;
  }
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;gap:2px}
  nav.main a{padding:13px 12px;border-radius:6px;font-size:1rem;border-bottom:1px solid var(--line)}
  nav.main a.cta{margin:12px 0 0;text-align:center;border-bottom:0;justify-content:center}
  .util .u-left{display:none}
  .util .wrap{justify-content:center}
  section{padding:58px 0}
  .hero{padding:48px 0 56px}
  .g3,.g2,.gallery-3{grid-template-columns:1fr}
  .split{gap:32px}
}
@media(max-width:520px){
  body{font-size:15.5px}
  .wrap,.wrap-narrow{padding:0 18px}
  .g4,.steps,.foot-grid,.gallery-4{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line)}
  .stat-cell:last-child{border-bottom:0}
  section{padding:48px 0}
  .card,.form-card{padding:22px}
  .actions{flex-direction:column;align-items:stretch}
  .actions .btn{justify-content:center}
  .cta-inner{flex-direction:column;align-items:flex-start}
}

@media print{
  header.site,.util,.cta-band,footer.site{display:none}
  .hero,.page-head,.cta-band{background:#fff !important;color:#000 !important}
  .hero h1,.page-head h1{color:#000 !important}
  body{font-size:11pt}
}