:root{
  --ink:#eeeae1;
  --ink-dim:#9aa4ac;
  --charcoal:#17191b;
  --gunmetal:#22262a;
  --gunmetal-2:#2b3138;
  --steel-line:#3a434b;
  --plate:#e8e3d6;
  --plate-text:#22262a;
  --orange:#e2792e;
  --orange-dim:#a85a20;
  --radius:2px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--charcoal);
  color:var(--ink);
  font-family:'IBM Plex Sans', sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Oswald', sans-serif;
  text-transform:uppercase;
  margin:0;
  font-weight:700;
  letter-spacing:0.01em;
}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  text-transform:uppercase;
  letter-spacing:0.18em;
  font-size:0.72rem;
  color:var(--orange);
}
a{color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
section{padding:110px 0;}
@media(max-width:720px){section{padding:70px 0;} .wrap{padding:0 20px;}}

/* ---------- nav ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(23,25,27,0.86);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand img{height:34px;width:auto;}
.brand-text{font-family:'Oswald';font-weight:600;letter-spacing:0.06em;font-size:1.05rem;color:var(--ink);}
.brand-text small{display:block;font-family:'IBM Plex Mono';font-size:0.55rem;letter-spacing:0.22em;color:var(--ink-dim);font-weight:400;margin-top:2px;}
nav ul{list-style:none;display:flex;gap:36px;margin:0;padding:0;}
nav a{
  font-family:'IBM Plex Mono';font-size:0.78rem;text-transform:uppercase;letter-spacing:0.1em;
  text-decoration:none;color:var(--ink-dim);transition:color .2s;
}
nav a:hover, nav a:focus-visible{color:var(--orange);}
.nav-cta{
  display:inline-block;font-family:'IBM Plex Mono';font-size:0.72rem;letter-spacing:0.08em;
  text-transform:uppercase;color:var(--charcoal)!important;background:var(--orange);
  padding:10px 18px;border-radius:var(--radius);text-decoration:none;font-weight:600;
  border:1px solid var(--orange); transition:background .2s, color .2s;
}
.nav-cta:hover{background:transparent;color:var(--orange)!important;}
@media(max-width:860px){
  .nav-inner{height:auto;flex-wrap:wrap;padding:16px 20px;}
  nav{order:3;flex-basis:100%;}
  nav ul{
    flex-wrap:wrap;justify-content:center;
    padding:16px 0 0;margin-top:14px;gap:14px 26px;
    border-top:1px solid var(--steel-line);
  }
  .nav-cta{display:none;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:flex-end;
  padding:0;overflow:hidden;
}
.hero-media{position:absolute;inset:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:60% 40%;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(23,25,27,0.15) 0%, rgba(23,25,27,0.35) 45%, rgba(23,25,27,0.97) 92%);
}
.hero-content{position:relative;z-index:2;padding:0 32px 90px;max-width:1180px;margin:0 auto;width:100%;}
.hero-content .eyebrow{margin-bottom:18px;display:inline-block;border:1px solid var(--orange-dim);padding:5px 12px;border-radius:var(--radius);}
.hero h1{font-size:clamp(2.6rem, 7vw, 5.2rem);line-height:0.98;color:var(--ink);}
.hero h1 span{color:var(--orange);}
.hero p{max-width:520px;color:var(--ink-dim);font-size:1.05rem;margin:22px 0 34px;}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  font-family:'IBM Plex Mono';font-size:0.78rem;letter-spacing:0.08em;text-transform:uppercase;
  text-decoration:none;padding:15px 26px;border-radius:var(--radius);font-weight:600;
  display:inline-flex;align-items:center;gap:10px;transition:all .2s;
}
.btn-primary{background:var(--orange);color:var(--charcoal);border:1px solid var(--orange);}
.btn-primary:hover{background:transparent;color:var(--orange);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--steel-line);}
.btn-ghost:hover{border-color:var(--ink);}

/* ---------- section headings ---------- */
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin-top:10px;color:var(--ink);}
.section-head p{color:var(--ink-dim);margin-top:16px;font-size:1rem;}

/* ---------- product / data plate ---------- */
.product{background:var(--gunmetal);}
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
@media(max-width:900px){.product-grid{grid-template-columns:1fr;}}
.product-copy p{color:var(--ink-dim);margin:0 0 18px;}
.product-copy .price-note{font-family:'IBM Plex Mono';font-size:0.85rem;color:var(--orange);margin-top:26px;}

.plate{
  background:var(--plate);color:var(--plate-text);border-radius:var(--radius);
  padding:34px 30px 26px;position:relative;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.06), 0 18px 40px rgba(0,0,0,0.35);
}
.plate .rivet-tl,.plate .rivet-tr,.plate .rivet-bl,.plate .rivet-br{
  content:"";position:absolute;width:9px;height:9px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, #fff, #9a9488 70%, #6b665c);
  box-shadow:0 1px 2px rgba(0,0,0,0.4) inset;
}
.plate .rivet-tl{top:12px;left:12px;} .plate .rivet-tr{top:12px;right:12px;}
.plate .rivet-bl{bottom:12px;left:12px;} .plate .rivet-br{bottom:12px;right:12px;}
.plate-head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:2px solid rgba(34,38,42,0.15);padding-bottom:14px;margin-bottom:6px;}
.plate-head h3{font-size:1.3rem;letter-spacing:0.03em;}
.plate-head .plate-code{font-family:'IBM Plex Mono';font-size:0.72rem;color:var(--orange-dim);letter-spacing:0.06em;}
.spec-row{
  display:flex;justify-content:space-between;gap:16px;padding:13px 0;
  border-bottom:1px dashed rgba(34,38,42,0.18);font-family:'IBM Plex Mono';font-size:0.85rem;
}
.spec-row:last-of-type{border-bottom:none;}
.spec-label{color:rgba(34,38,42,0.6);letter-spacing:0.08em;text-transform:uppercase;font-size:0.72rem;}
.spec-value{font-weight:600;text-align:right;}
.plate-flag{
  position:absolute;top:-1px;right:34px;background:var(--orange);color:var(--charcoal);
  font-family:'IBM Plex Mono';font-size:0.65rem;letter-spacing:0.1em;text-transform:uppercase;
  padding:5px 10px;border-radius:0 0 3px 3px;font-weight:600;
}

/* ---------- manifest / feature tags ---------- */
.manifest{background:var(--charcoal);}
.tag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--steel-line);border:1px solid var(--steel-line);}
@media(max-width:900px){.tag-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.tag-grid{grid-template-columns:1fr;}}
.tag-cell{background:var(--charcoal);padding:34px 26px;}
.tag-cell .eyebrow{display:block;margin-bottom:14px;}
.tag-cell p{margin:0;color:var(--ink);font-size:0.95rem;}
.tag-cell p.sub{color:var(--ink-dim);font-size:0.85rem;margin-top:8px;}

/* ---------- about ---------- */
.about{background:var(--gunmetal-2);}
.about-inner{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;align-items:center;}
@media(max-width:900px){.about-inner{grid-template-columns:1fr;}}
.about-mark{display:flex;justify-content:center;align-items:center;padding:20px;}
.about-mark img{width:100%;max-width:280px;opacity:0.95;}
.about-copy p{color:var(--ink-dim);margin:0 0 16px;}
.about-copy p:last-child{margin-bottom:0;}

/* ---------- contact ---------- */
.contact{background:var(--charcoal);}
.contact-inner{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;}
@media(max-width:900px){.contact-inner{grid-template-columns:1fr;}}
.contact-info p{color:var(--ink-dim);}
.contact-info .field-line{
  display:flex;gap:10px;align-items:baseline;margin-top:28px;font-family:'IBM Plex Mono';font-size:0.85rem;
}
.contact-info .field-line span:first-child{color:var(--ink-dim);text-transform:uppercase;letter-spacing:0.1em;font-size:0.7rem;min-width:90px;}
.contact-info .field-line a{color:var(--orange);text-decoration:none;}

form{background:var(--gunmetal);padding:34px;border-radius:var(--radius);border:1px solid var(--steel-line);}
.form-row{margin-bottom:20px;}
.form-row label{
  display:block;font-family:'IBM Plex Mono';font-size:0.7rem;text-transform:uppercase;letter-spacing:0.1em;
  color:var(--ink-dim);margin-bottom:8px;
}
.form-row input, .form-row select, .form-row textarea{
  width:100%;background:var(--charcoal);border:1px solid var(--steel-line);color:var(--ink);
  padding:12px 14px;font-family:'IBM Plex Sans';font-size:0.92rem;border-radius:var(--radius);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{outline:2px solid var(--orange);outline-offset:1px;}
.form-row textarea{resize:vertical;min-height:110px;}
form .btn{width:100%;justify-content:center;border:1px solid var(--orange);cursor:pointer;font-size:0.8rem;}

/* ---------- legal pages (warranty, terms) ---------- */
.legal-section{background:var(--charcoal);padding-top:160px;}
@media(max-width:720px){.legal-section{padding-top:190px;}}
.legal-card{
  position:relative;overflow:hidden;
  background:var(--gunmetal);border:1px solid var(--steel-line);border-radius:var(--radius);
  padding:48px 46px;box-shadow:0 18px 50px rgba(0,0,0,0.35);
}
.legal-card::before{
  content:"";position:absolute;inset:-15%;
  background:url('kntx_logo_white.png') center center no-repeat;
  background-size:60%;opacity:0.05;transform:rotate(-10deg);
  pointer-events:none;
}
.legal-card .rivet-tl,.legal-card .rivet-tr,.legal-card .rivet-bl,.legal-card .rivet-br{
  content:"";position:absolute;width:9px;height:9px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, #fff, #6b6560 70%, #3a3632);
  box-shadow:0 1px 2px rgba(0,0,0,0.5) inset;z-index:1;
}
.legal-card .rivet-tl{top:14px;left:14px;} .legal-card .rivet-tr{top:14px;right:14px;}
.legal-card .rivet-bl{bottom:14px;left:14px;} .legal-card .rivet-br{bottom:14px;right:14px;}
.legal-flag{
  position:absolute;top:-1px;right:34px;z-index:1;background:var(--orange);color:var(--charcoal);
  font-family:'IBM Plex Mono';font-size:0.65rem;letter-spacing:0.1em;text-transform:uppercase;
  padding:5px 10px;border-radius:0 0 3px 3px;font-weight:600;
}
.legal-card > *{position:relative;z-index:1;}
.legal-lead{color:var(--ink);font-size:1.05rem;margin:6px 0 34px;max-width:680px;}
.legal-card h3{
  font-size:1rem;letter-spacing:0.04em;color:var(--orange);margin:34px 0 16px;
}
.legal-card h3:first-of-type{margin-top:0;}
.legal-list{list-style:none;margin:0 0 8px;padding:0;max-width:680px;}
.legal-list li{
  position:relative;padding:10px 0 10px 22px;color:var(--ink-dim);
  border-bottom:1px dashed rgba(255,255,255,0.08);font-size:0.95rem;
}
.legal-list li:last-child{border-bottom:none;}
.legal-list li::before{
  content:"";position:absolute;left:0;top:19px;width:8px;height:8px;border-radius:1px;
}
.legal-list--covers li::before{background:var(--orange);}
.legal-list--excludes li::before{background:var(--steel-line);border:1px solid var(--ink-dim);}
.legal-card > p{color:var(--ink-dim);margin:30px 0 0;max-width:680px;}
.legal-card p.legal-caps{font-size:0.82rem;letter-spacing:0.01em;line-height:1.7;}
.legal-claim{
  margin-top:24px!important;padding-top:24px;border-top:1px solid var(--steel-line);
  font-family:'IBM Plex Mono';font-size:0.9rem;
}
.legal-claim a{color:var(--orange);text-decoration:none;}
.legal-claim a:hover{text-decoration:underline;}
.legal-claim .addr-line{display:block;margin-top:4px;}

/* ---------- footer ---------- */
footer{background:var(--charcoal);border-top:1px solid var(--steel-line);padding:44px 0 28px;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand img{height:28px;}
.footer-brand small{font-family:'IBM Plex Mono';font-size:0.62rem;letter-spacing:0.2em;color:var(--ink-dim);display:block;}
.footer-links{display:flex;gap:26px;flex-wrap:wrap;}
.footer-links a{font-family:'IBM Plex Mono';font-size:0.75rem;color:var(--ink-dim);text-decoration:none;letter-spacing:0.05em;}
.footer-links a:hover{color:var(--orange);}
.footer-copy{font-family:'IBM Plex Mono';font-size:0.7rem;color:var(--ink-dim);opacity:0.7;margin-top:26px;text-align:center;}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}