/* ============================================================
   PAIXIDORE INTERNATIONAL LTD — Global Stylesheet
   Dark metal industrial system · chamfered plates · amber accent
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg:        #0b0e11;
  --bg-raise:  #101419;
  --bg-panel:  #151b21;
  --bg-deep:   #07090b;
  --line:      #232a31;
  --line-soft: #1a2026;
  --line-strong:#2e3842;
  --ink:       #e8ecef;
  --ink-dim:   #9aa5b1;
  --ink-mute:  #66717e;
  --amber:     #e8a33d;
  --amber-bright:#ffb85c;
  --amber-deep:#b5781f;
  --steel:     #7fa8c9;
  --ok:        #7fc98f;
  --warn:      #e8a33d;
  --danger:    #e05a4e;

  --font-display: "Archivo", "Segoe UI", system-ui, sans-serif;
  --font-body: "Archivo", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Cascadia Mono", Consolas, monospace;

  --cut: 14px;              /* chamfer size */
  --cut-lg: 22px;
  --pad: clamp(20px, 4vw, 64px);
  --wrap: 1320px;
  --radius: 2px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --header-h: 76px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
::selection{background:var(--amber);color:#14100a}

/* blueprint grid backdrop */
body::before{
  content:"";
  position:fixed;inset:0;
  background:
    repeating-linear-gradient(0deg, transparent 0 59px, rgba(122,150,178,.035) 59px 60px),
    repeating-linear-gradient(90deg, transparent 0 59px, rgba(122,150,178,.035) 59px 60px);
  pointer-events:none;
  z-index:0;
}
#site{position:relative;z-index:1}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.04;letter-spacing:-.015em}
.display{font-size:clamp(2.6rem,7.2vw,5.6rem);font-weight:900;text-transform:uppercase;letter-spacing:-.02em}
.display .thin{font-weight:400;color:var(--ink-dim)}
.sec-title{font-size:clamp(1.7rem,3.6vw,2.9rem);text-transform:uppercase}
.sec-title em{font-style:normal;color:var(--amber)}
.lead{font-size:clamp(1.05rem,1.8vw,1.25rem);color:var(--ink-dim);max-width:64ch}
.mono{font-family:var(--font-mono)}
.small{font-size:.82rem}

/* eyebrow: serial label 01 — … */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--amber);
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--amber)}
.eyebrow .num{color:var(--ink-mute)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:clamp(56px,8vw,110px);position:relative}
.grid-2{display:grid;grid-template-columns:1fr;gap:clamp(24px,4vw,64px)}
.grid-3{display:grid;grid-template-columns:1fr;gap:18px}
.grid-4{display:grid;grid-template-columns:1fr;gap:18px}

/* ---------- Header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(11,14,17,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:border-color .3s var(--ease);
}
.header.scrolled{border-bottom-color:var(--line-strong)}
.header-inner{
  max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:44px;height:44px;flex:0 0 auto;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  background:linear-gradient(145deg,#232a31,#101419 60%,#1b2128);
  border:1px solid var(--line-strong);
  display:grid;place-items:center;
}
.brand-mark svg{width:26px;height:26px}
.brand-name{font-family:var(--font-display);font-weight:900;font-size:1.18rem;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.brand-name span{color:var(--amber)}
.brand-sub{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.18em;color:var(--ink-mute);text-transform:uppercase;margin-top:1px}

.nav{display:flex;align-items:center;gap:4px}
.nav a{
  position:relative;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-dim);padding:10px 12px;transition:color .25s var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{transform:scaleX(1)}
.nav a.active{color:var(--amber)}
.nav a.active::after{transform:scaleX(1)}
.nav-cta{
  margin-left:10px;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  background:var(--amber);color:#161006 !important;
  font-family:var(--font-display);font-weight:700;font-size:.74rem;letter-spacing:.1em;
  padding:12px 18px;text-transform:uppercase;
  transition:background .25s var(--ease);
}
.nav-cta:hover{background:var(--amber-bright)}
.nav-cta::after{display:none}

.nav-toggle{display:none;width:44px;height:44px;background:none;border:1px solid var(--line-strong);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);transition:.3s var(--ease)}

/* ---------- Hero ---------- */
.hero{
  min-height:92vh;
  display:grid;align-items:center;
  padding-top:var(--header-h);
  position:relative;
  background:radial-gradient(120% 90% at 78% 12%, #1a222b 0%, var(--bg) 55%);
  overflow:hidden;
}
.hero-inner{display:grid;grid-template-columns:1fr;gap:32px;padding-block:clamp(40px,6vw,80px)}
.hero-kicker{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-dim)}
.hero-kicker::before{content:"";width:44px;height:1px;background:var(--amber)}
.hero h1{margin-block:22px 18px}
.hero p.lead{margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  padding:15px 26px;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:.28s var(--ease);cursor:pointer;border:none;
}
.btn-primary{background:var(--amber);color:#171006}
.btn-primary:hover{background:var(--amber-bright);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}
.btn .arr{transition:transform .28s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

.hero-visual{position:relative}
.hero-img{
  clip-path:polygon(var(--cut-lg) 0,100% 0,100% calc(100% - var(--cut-lg)),calc(100% - var(--cut-lg)) 100%,0 100%,0 var(--cut-lg));
  border:1px solid var(--line-strong);
  background:var(--bg-panel);
  aspect-ratio:16/10;overflow:hidden;
}
.hero-img img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.05)}
.hero-tag{
  position:absolute;left:-8px;top:24px;
  background:var(--bg-deep);border:1px solid var(--line-strong);
  padding:8px 14px;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;color:var(--amber);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.hero-specs{
  margin-top:16px;display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line-soft);border-left:none;border-right:none;
}
.hero-specs div{padding:12px 14px;border-right:1px solid var(--line-soft)}
.hero-specs div:last-child{border-right:none}
.hero-specs .k{display:block;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute)}
.hero-specs .v{display:block;font-family:var(--font-display);font-weight:700;font-size:1.06rem;color:var(--ink);margin-top:2px}
.hero-specs .v b{color:var(--amber)}

/* marquee */
.marquee{
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  background:var(--bg-deep);overflow:hidden;white-space:nowrap;
  padding-block:16px;
}
.marquee-track{display:inline-flex;gap:0;animation:scroll 34s linear infinite}
.marquee span{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-mute);
  padding-inline:26px;position:relative;
}
.marquee span::after{content:"◆";position:absolute;right:0;font-size:.5rem;color:var(--amber);top:50%;transform:translateY(-50%)}
.marquee span b{color:var(--amber);font-weight:500}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
.sec-head{display:flex;flex-direction:column;gap:12px;margin-bottom:clamp(30px,4vw,52px)}
.sec-head .row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap}
.sec-head .hint{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;color:var(--ink-mute);text-transform:uppercase}

/* product cards */
.pcard{
  position:relative;
  background:var(--bg-panel);
  border:1px solid var(--line-soft);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
  overflow:hidden;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
  display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-5px);border-color:var(--amber);box-shadow:0 18px 40px -18px rgba(232,163,61,.25)}
.pcard .img{aspect-ratio:4/3.4;overflow:hidden;position:relative;border-bottom:1px solid var(--line-soft)}
.pcard .img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);filter:saturate(.9)}
.pcard:hover .img img{transform:scale(1.05)}
.pcard .code{
  position:absolute;top:12px;left:0;
  background:var(--bg-deep);border:1px solid var(--line-strong);border-left:none;
  padding:5px 12px;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;color:var(--amber);
}
.pcard .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard h3{font-size:1.22rem;text-transform:uppercase;letter-spacing:.01em}
.pcard p{color:var(--ink-dim);font-size:.9rem;flex:1}
.pcard .meta{display:flex;justify-content:space-between;align-items:center;margin-top:6px;border-top:1px solid var(--line-soft);padding-top:12px}
.pcard .meta .n{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;color:var(--ink-mute)}
.pcard .more{font-family:var(--font-display);font-weight:700;font-size:.72rem;letter-spacing:.1em;color:var(--amber);text-transform:uppercase;display:inline-flex;align-items:center;gap:6px}
.pcard .more .arr{transition:transform .25s var(--ease)}
.pcard:hover .more .arr{transform:translateX(4px)}

/* feature / values tiles */
.tile{
  background:var(--bg-panel);border:1px solid var(--line-soft);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
  padding:26px 26px 30px;transition:border-color .3s var(--ease);
}
.tile:hover{border-color:var(--line-strong)}
.tile .ic{width:46px;height:46px;display:grid;place-items:center;border:1px solid var(--line-strong);clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);margin-bottom:16px}
.tile .ic svg{width:22px;height:22px;stroke:var(--amber)}
.tile h3{font-size:1rem;text-transform:uppercase;margin-bottom:8px;letter-spacing:.02em}
.tile p{color:var(--ink-dim);font-size:.88rem}
.tile .mono{color:var(--ink-mute)}

/* ---------- Spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;font-size:.9rem}
.spec-table th,.spec-table td{padding:13px 16px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top}
.spec-table th{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);background:rgba(232,163,61,.05)}
.spec-table td:first-child{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;color:var(--ink-dim);width:42%}
.spec-table tr:last-child td{border-bottom:none}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#161b21,#0e1115);
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.cta-band .wrap{display:flex;flex-direction:column;gap:26px;align-items:flex-start;padding-block:clamp(48px,7vw,84px)}
.cta-band h2{font-size:clamp(1.8rem,4vw,3rem)}
.cta-band .corner{position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;border:1px solid var(--line-strong);transform:rotate(45deg)}
.cta-band .corner::after{content:"";position:absolute;inset:14px;border:1px solid var(--line-soft)}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line-strong);background:var(--bg-deep);margin-top:0}
.footer-top{display:grid;grid-template-columns:1fr;gap:34px;padding-block:clamp(40px,6vw,64px)}
.footer h4{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin-bottom:14px}
.footer a{color:var(--ink-dim);font-size:.88rem;display:inline-block;padding:4px 0;transition:color .2s var(--ease)}
.footer a:hover{color:var(--amber)}
.footer .fcol{display:flex;flex-direction:column}
.footer .faddr{color:var(--ink-dim);font-size:.86rem;line-height:1.8}
.footer .faddr b{color:var(--ink);font-weight:600}
.footer-bottom{border-top:1px solid var(--line-soft);padding-block:18px}
.footer-bottom .wrap{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.footer-bottom p{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;color:var(--ink-mute)}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom .legal a{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;color:var(--ink-mute)}
.footer-bottom .legal a:hover{color:var(--amber)}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  padding-top:calc(var(--header-h) + clamp(48px,7vw,90px));
  padding-bottom:clamp(36px,5vw,60px);
  border-bottom:1px solid var(--line-soft);
  background:radial-gradient(90% 100% at 20% 0%, #171d24 0%, var(--bg) 60%);
}
.page-hero h1{font-size:clamp(2.1rem,5vw,3.6rem);text-transform:uppercase;margin-block:14px 14px}
.page-hero .crumbs{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute)}
.page-hero .crumbs a:hover{color:var(--amber)}
.page-hero .crumbs b{color:var(--amber);font-weight:500}

/* ---------- Product page ---------- */
.prod-grid{display:grid;grid-template-columns:1fr;gap:clamp(24px,4vw,56px);align-items:start}
.prod-imgs{display:grid;gap:14px}
.prod-imgs .main{
  aspect-ratio:1/1;clip-path:polygon(var(--cut-lg) 0,100% 0,100% calc(100% - var(--cut-lg)),calc(100% - var(--cut-lg)) 100%,0 100%,0 var(--cut-lg));
  border:1px solid var(--line-strong);overflow:hidden;background:var(--bg-panel);position:relative;
}
.prod-imgs .main img{width:100%;height:100%;object-fit:cover;filter:saturate(.92)}
.prod-imgs .subs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.prod-imgs .subs .s{aspect-ratio:1/1;clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);border:1px solid var(--line);overflow:hidden;background:var(--bg-panel)}
.prod-imgs .subs .s img{width:100%;height:100%;object-fit:cover}
.prod-info .price-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;color:var(--amber);border:1px solid var(--line-strong);padding:6px 12px;margin-bottom:18px;background:var(--bg-deep)}
.prod-info h2{margin-bottom:14px}
.prod-info .desc{color:var(--ink-dim);font-size:1.02rem;margin-bottom:26px;max-width:60ch}
.prod-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* feature checklist */
.checks{display:grid;grid-template-columns:1fr;gap:10px;margin-top:8px}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-dim);font-size:.92rem}
.checks .ck{color:var(--amber);font-family:var(--font-mono);font-size:.8rem;line-height:1.5;flex:0 0 auto}

/* related strip */
.rel{display:grid;grid-template-columns:1fr;gap:14px}

/* ---------- About / Quality stat band ---------- */
.stat-band{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.stat-band .st{background:var(--bg-panel);padding:24px}
.stat-band .st .v{font-family:var(--font-display);font-weight:900;font-size:clamp(1.8rem,3.6vw,2.8rem);color:var(--amber);line-height:1}
.stat-band .st .v small{font-size:.5em;color:var(--ink-mute);font-weight:500}
.stat-band .st .k{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-dim);margin-top:8px;display:block}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,56px)}
.contact-card{
  background:var(--bg-panel);border:1px solid var(--line-soft);
  clip-path:polygon(var(--cut-lg) 0,100% 0,100% calc(100% - var(--cut-lg)),calc(100% - var(--cut-lg)) 100%,0 100%,0 var(--cut-lg));
  padding:clamp(24px,4vw,40px);
}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-dim);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;background:var(--bg-deep);border:1px solid var(--line-strong);
  padding:13px 14px;font-size:.95rem;color:var(--ink);transition:border-color .25s var(--ease);
  border-radius:0;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--amber)}
.field textarea{min-height:130px;resize:vertical}
.contact-list li{display:flex;gap:14px;padding-block:14px;border-bottom:1px solid var(--line-soft)}
.contact-list li:last-child{border-bottom:none}
.contact-list .ic{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border:1px solid var(--line-strong);clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px)}
.contact-list .ic svg{width:18px;height:18px;stroke:var(--amber)}
.contact-list .lbl{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute)}
.contact-list .val{color:var(--ink);font-size:.95rem}

/* ---------- Legal / article ---------- */
.article{max-width:820px}
.article h2{font-size:1.35rem;text-transform:uppercase;margin:34px 0 12px;letter-spacing:.01em}
.article h3{font-size:1.05rem;text-transform:uppercase;margin:24px 0 8px;color:var(--ink)}
.article p,.article li{color:var(--ink-dim);font-size:.95rem;margin-bottom:10px}
.article ul{list-style:none;margin-left:0}
.article ul li{position:relative;padding-left:22px}
.article ul li::before{content:"▸";position:absolute;left:0;color:var(--amber);font-size:.8rem;top:1px}
.article strong{color:var(--ink)}
.article .eff{display:inline-block;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;color:var(--amber);border:1px solid var(--line-strong);padding:6px 12px;background:var(--bg-deep);margin-bottom:22px}
.article .toc{border:1px solid var(--line-soft);background:var(--bg-panel);padding:20px 22px;margin-bottom:26px}
.article .toc li{padding-left:0}
.article .toc li::before{content:attr(data-n);color:var(--amber);position:static;margin-right:8px}
.article .toc a{color:var(--ink-dim)}
.article .toc a:hover{color:var(--amber)}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal="l"]{transform:translateX(-30px)}
[data-reveal="r"]{transform:translateX(30px)}
[data-reveal].in{transform:none}

/* ---------- Utilities ---------- */
.mt-1{margin-top:10px}.mt-2{margin-top:20px}.mt-3{margin-top:32px}.mt-4{margin-top:48px}
.mb-2{margin-bottom:20px}.mb-3{margin-bottom:32px}
.center{text-align:center}
.amber{color:var(--amber)}
.big-num{font-family:var(--font-display);font-weight:900;color:var(--line-strong);font-size:clamp(3rem,8vw,6rem);line-height:1}
.rule{height:1px;background:var(--line-soft);border:none;margin-block:0}

/* ---------- Responsive: tablet/desktop ---------- */
@media (min-width:600px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1.05fr .95fr}
  .stat-band{grid-template-columns:repeat(4,1fr)}
  .rel{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:.9fr 1.1fr}
  .prod-grid{grid-template-columns:1.05fr .95fr}
  .prod-grid.flip{grid-template-columns:.95fr 1.05fr}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr}
  .checks{grid-template-columns:repeat(2,1fr)}
  .cta-band .wrap{align-items:center;flex-direction:row;justify-content:space-between}
}
@media (min-width:900px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .grid-4 .span-all{grid-column:1/-1}
}
@media (min-width:600px) and (max-width:899px){
  .grid-4 .span-all{grid-column:1/-1}
}

/* ---------- Mobile nav ---------- */
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    background:rgba(11,14,17,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line-strong);
    flex-direction:column;align-items:stretch;gap:0;padding:12px var(--pad) 20px;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:.32s var(--ease);
  }
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:13px 8px;border-bottom:1px solid var(--line-soft)}
  .nav a::after{display:none}
  .nav-cta{margin:14px 0 0;text-align:center}
  .hero{min-height:auto;padding-bottom:0}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  [data-reveal]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}