/* ============ TOKENS ============ */
:root{
  --bg:#F2F3EF;
  --bg-alt:#E7E9E2;
  --surface:#FFFFFF;
  --ink:#12181D;
  --ink-soft:#4C5860;
  --ink-faint:#7C868C;
  --steel:#33495C;
  --steel-deep:#1B2933;
  --accent:#E85B22;
  --accent-2:#F0955A;
  --accent-ink:#FFF6EE;
  --line:rgba(18,24,29,0.14);
  --line-strong:rgba(18,24,29,0.30);
  --shadow:0 20px 50px -25px rgba(18,24,29,0.35);
  --maxw:1180px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#11171C;
    --bg-alt:#182129;
    --surface:#1B242C;
    --ink:#EFF2EE;
    --ink-soft:#AEB9C0;
    --ink-faint:#77838B;
    --steel:#93A7B7;
    --steel-deep:#0F171D;
    --accent:#FF7A3C;
    --accent-2:#FFA268;
    --accent-ink:#2A1509;
    --line:rgba(239,242,238,0.14);
    --line-strong:rgba(239,242,238,0.30);
    --shadow:0 20px 50px -25px rgba(0,0,0,0.6);
  }
}
:root[data-theme="dark"]{
  --bg:#11171C;
  --bg-alt:#182129;
  --surface:#1B242C;
  --ink:#EFF2EE;
  --ink-soft:#AEB9C0;
  --ink-faint:#77838B;
  --steel:#93A7B7;
  --steel-deep:#0F171D;
  --accent:#FF7A3C;
  --accent-2:#FFA268;
  --accent-ink:#2A1509;
  --line:rgba(239,242,238,0.14);
  --line-strong:rgba(239,242,238,0.30);
  --shadow:0 20px 50px -25px rgba(0,0,0,0.6);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;text-wrap:balance;font-family:"Big Shoulders Display",Impact,"Arial Narrow",sans-serif;font-weight:800;letter-spacing:0.01em;}
p{margin:0;}
button{font:inherit;cursor:pointer;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px);}

/* blueprint grid backdrop */
.blueprint{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:0.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%, black 0%, transparent 75%);
          mask-image:radial-gradient(ellipse 90% 60% at 50% 0%, black 0%, transparent 75%);
}

/* corner brackets, engineering-drawing accent */
.bracket{position:relative;}
.bracket::before,.bracket::after{
  content:"";position:absolute;width:16px;height:16px;
  border:2px solid var(--accent);opacity:0.85;
}
.bracket::before{top:-1px;left:-1px;border-right:none;border-bottom:none;}
.bracket::after{bottom:-1px;right:-1px;border-left:none;border-top:none;}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"IBM Plex Mono",monospace;
  font-size:12px;letter-spacing:0.16em;text-transform:uppercase;
  color:var(--accent);font-weight:500;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}

/* ============ SCROLL PROGRESS ============ */
.progress{position:fixed;top:0;left:0;height:3px;background:var(--accent);z-index:1000;width:0%;transition:width 0.1s linear;}

/* ============ NAV ============ */
header.nav{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 0.3s ease, border-color 0.3s ease;
}
header.nav.scrolled{box-shadow:0 8px 24px -18px rgba(0,0,0,0.4);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:38px;height:38px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1;}
.brand-text b{font-family:"Big Shoulders Display";font-size:22px;font-weight:800;letter-spacing:0.01em;}
.brand-text span{font-family:"IBM Plex Mono";font-size:9.5px;letter-spacing:0.14em;color:var(--ink-faint);text-transform:uppercase;margin-top:1px;}

nav.links{display:flex;align-items:center;gap:2px;}
nav.links a{
  position:relative;padding:10px 16px;font-size:14.5px;font-weight:500;color:var(--ink-soft);
  transition:color 0.2s ease;
}
nav.links a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform 0.25s ease;
}
nav.links a:hover{color:var(--ink);}
nav.links a:hover::after{transform:scaleX(1);}
nav.links a.active{color:var(--ink);}
nav.links a.active::after{transform:scaleX(1);}

.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:var(--bg);
  padding:11px 20px;font-size:14px;font-weight:600;
  border:1px solid var(--ink);
  transition:transform 0.2s ease, box-shadow 0.2s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow);}

.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:1px solid var(--line-strong);}
.burger span{width:18px;height:2px;background:var(--ink);margin:0 auto;transition:transform 0.25s ease, opacity 0.25s ease;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-menu{
  display:none;position:fixed;inset:76px 0 0 0;z-index:99;background:var(--bg);
  padding:24px clamp(20px,6vw,48px);
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:transform 0.25s ease, opacity 0.25s ease;
  overflow-y:auto;
}
.mobile-menu.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-menu a{display:block;font-family:"Big Shoulders Display";font-size:30px;font-weight:700;padding:14px 0;border-bottom:1px solid var(--line);}
.mobile-menu a.active{color:var(--accent);}
.mobile-menu .nav-cta{margin-top:24px;justify-content:center;width:100%;}

/* ============ PAGE HEADER (interior pages) ============ */
.page-header{background:var(--bg-alt);padding:clamp(56px,9vw,96px) 0 clamp(40px,6vw,60px);border-bottom:1px solid var(--line);position:relative;overflow:hidden;}
.crumb{display:flex;align-items:center;gap:8px;font-family:"IBM Plex Mono";font-size:12px;letter-spacing:0.05em;color:var(--ink-faint);margin-bottom:18px;}
.crumb a{color:var(--ink-faint);transition:color 0.2s ease;}
.crumb a:hover{color:var(--accent);}
.page-plate{display:inline-flex;position:relative;padding:8px 16px;border:1px solid var(--line);margin-bottom:16px;}
.page-header h1{font-size:clamp(38px,6vw,62px);line-height:0.98;max-width:16ch;}
.page-header .lede{margin-top:16px;color:var(--ink-soft);font-size:16px;max-width:58ch;line-height:1.65;}

/* ============ HERO (home) ============ */
.hero{position:relative;padding:clamp(64px,10vw,120px) 0 clamp(48px,8vw,90px);overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:clamp(24px,5vw,60px);align-items:center;}
.hero h1{font-size:clamp(40px,6.4vw,84px);line-height:0.98;letter-spacing:-0.01em;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{margin-top:22px;font-size:clamp(16px,1.9vw,19px);color:var(--ink-soft);max-width:46ch;line-height:1.65;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;font-size:14.5px;font-weight:600;letter-spacing:0.01em;
  border:1px solid var(--ink);transition:transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px var(--accent);}
.btn-ghost{background:transparent;color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--bg);transform:translateY(-2px);}
.btn svg{width:15px;height:15px;transition:transform 0.2s ease;}
.btn:hover svg{transform:translate(3px,-3px);}

.hero-meta{display:flex;gap:28px;margin-top:44px;flex-wrap:wrap;}
.hero-meta div{font-family:"IBM Plex Mono";}
.hero-meta b{display:block;font-size:22px;color:var(--ink);font-weight:500;}
.hero-meta span{font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink-faint);}

/* hero pipe graphic */
.hero-art{position:relative;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;}
.ring{position:absolute;border-radius:50%;border:2px solid var(--line-strong);}
.ring.r1{width:100%;height:100%;animation:spin 60s linear infinite;border-style:dashed;}
.ring.r2{width:78%;height:78%;border-color:var(--steel);opacity:0.5;animation:spin 44s linear infinite reverse;}
.ring.r3{width:56%;height:56%;border:none;background:conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--steel), var(--accent));animation:spin 30s linear infinite;padding:10px;}
.ring.r3 i{display:block;width:100%;height:100%;border-radius:50%;background:var(--bg);}
.pipe-core{
  position:relative;z-index:2;width:34%;height:34%;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, var(--accent-2), var(--accent) 55%, var(--steel-deep) 100%);
  box-shadow:0 20px 60px -20px var(--accent), inset 0 0 0 6px rgba(255,255,255,0.15);
  display:flex;align-items:center;justify-content:center;
  animation:pulse 4s ease-in-out infinite;
}
.pipe-core::after{content:"";width:44%;height:44%;border-radius:50%;background:var(--surface);box-shadow:inset 0 4px 10px rgba(0,0,0,0.25);}
@keyframes spin{to{transform:rotate(360deg);}}
@keyframes pulse{0%,100%{transform:scale(1);}50%{transform:scale(1.04);}}
.hero-tag{
  position:absolute;top:6%;right:0;font-family:"IBM Plex Mono";font-size:11px;letter-spacing:0.08em;
  color:var(--ink-soft);background:var(--surface);border:1px solid var(--line);padding:6px 10px;
  animation:float 5s ease-in-out infinite;
}
.hero-tag.b{top:auto;bottom:8%;left:0;right:auto;animation-delay:1.5s;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

/* small inline art used on interior page headers */
.mini-art{position:absolute;right:clamp(-40px,2vw,20px);top:50%;transform:translateY(-50%);width:clamp(140px,18vw,220px);aspect-ratio:1/1;opacity:0.9;}

/* ============ MARQUEE ============ */
.marquee-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--steel-deep);overflow:hidden;}
.marquee{display:flex;width:max-content;animation:scroll-left 32s linear infinite;}
.marquee:hover{animation-play-state:paused;}
.marquee span{
  display:flex;align-items:center;gap:14px;
  font-family:"Big Shoulders Display";font-weight:700;font-size:22px;letter-spacing:0.02em;
  color:#EDEFEA;padding:16px 34px;white-space:nowrap;text-transform:uppercase;
}
.marquee span::after{content:"●";color:var(--accent);font-size:10px;margin-left:14px;}
@keyframes scroll-left{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1);}
.reveal.in-view{opacity:1;transform:translateY(0);}
.stagger.in-view > *{transition-delay:calc(var(--i, 0) * 90ms);}

section{position:relative;z-index:1;padding:clamp(64px,9vw,110px) 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:clamp(32px,5vw,56px);flex-wrap:wrap;}
.section-head h2{font-size:clamp(30px,4.4vw,52px);line-height:1.02;margin-top:12px;max-width:16ch;}
.section-head p{max-width:40ch;color:var(--ink-soft);font-size:15.5px;line-height:1.6;padding-bottom:6px;}

/* ============ ABOUT ============ */
#about{background:var(--bg-alt);}
.about-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:clamp(30px,6vw,70px);align-items:center;}
.about-copy p{color:var(--ink-soft);font-size:16px;line-height:1.75;margin-top:18px;}
.about-list{margin-top:28px;display:grid;gap:14px;}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink);}
.about-list svg{flex:none;width:18px;height:18px;color:var(--accent);margin-top:2px;}

.about-diagram{position:relative;background:var(--surface);border:1px solid var(--line);padding:clamp(20px,4vw,40px);box-shadow:var(--shadow);}
.layers{display:flex;flex-direction:column;gap:0;}
.layer{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;border-bottom:1px dashed var(--line);font-family:"IBM Plex Mono";font-size:12.5px;color:var(--ink-soft);}
.layer:last-child{border-bottom:none;}
.layer b{font-family:"IBM Plex Sans";font-size:15px;color:var(--ink);font-weight:600;}
.layer .pct{width:120px;height:6px;background:var(--bg-alt);position:relative;overflow:hidden;}
.layer .pct i{position:absolute;left:0;top:0;bottom:0;background:var(--accent);width:0;transition:width 1.1s cubic-bezier(.2,.7,.2,1);}
.layer.in i{width:var(--w);}

/* ============ STATS ============ */
.stats-band{background:var(--steel-deep);color:#EDEFEA;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,0.12);}
.stat{background:var(--steel-deep);padding:clamp(26px,4vw,40px) clamp(18px,3vw,28px);}
.stat b{display:block;font-family:"Big Shoulders Display";font-weight:800;font-size:clamp(34px,4.6vw,54px);color:#fff;line-height:1;}
.stat b .unit{font-size:0.42em;color:var(--accent-2);margin-left:4px;}
.stat span{display:block;margin-top:10px;font-size:12.5px;letter-spacing:0.05em;color:#B8C2C9;}

/* ============ PRODUCTS ============ */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.product-card{background:var(--surface);padding:clamp(26px,3.4vw,34px);position:relative;overflow:hidden;transition:background 0.3s ease;}
.product-card::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg, var(--accent) 0%, transparent 55%);opacity:0;transition:opacity 0.35s ease;}
.product-card:hover::before{opacity:0.08;}
.product-num{font-family:"IBM Plex Mono";font-size:12px;color:var(--ink-faint);}
.product-icon{width:46px;height:46px;margin:18px 0 20px;color:var(--accent);transition:transform 0.35s ease;}
.product-card:hover .product-icon{transform:translateY(-4px) rotate(-6deg);}
.product-card h3{font-size:23px;font-weight:700;}
.product-card p{margin-top:10px;font-size:14px;color:var(--ink-soft);line-height:1.6;}
.product-more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:12.5px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;color:var(--ink);}
.product-more svg{width:13px;height:13px;transition:transform 0.25s ease;}
.product-card:hover .product-more svg{transform:translateX(5px);}

/* ============ PROCESS ============ */
.timeline{position:relative;margin-top:10px;}
.timeline-track{position:absolute;left:23px;top:8px;bottom:8px;width:2px;background:var(--line-strong);}
.timeline-track i{position:absolute;left:0;top:0;width:100%;background:var(--accent);height:0;transition:height 1.4s cubic-bezier(.2,.7,.2,1);}
.timeline.in i{height:100%;}
.t-step{display:grid;grid-template-columns:48px 1fr;gap:22px;padding:26px 0;position:relative;}
.t-dot{width:48px;height:48px;border-radius:50%;background:var(--surface);border:2px solid var(--line-strong);display:flex;align-items:center;justify-content:center;font-family:"Big Shoulders Display";font-weight:800;font-size:17px;color:var(--ink-soft);z-index:1;transition:border-color 0.4s ease, color 0.4s ease, background 0.4s ease;}
.t-step.in .t-dot{border-color:var(--accent);color:#fff;background:var(--accent);}
.t-body h3{font-size:21px;font-weight:700;}
.t-body p{margin-top:6px;font-size:14.5px;color:var(--ink-soft);max-width:56ch;line-height:1.6;}

/* ============ WHY ============ */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,3vw,28px);}
.why-card{padding:26px 22px;border:1px solid var(--line);background:var(--surface);transition:transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--accent);}
.why-card svg{width:30px;height:30px;color:var(--accent);}
.why-card h3{margin-top:16px;font-size:18px;font-weight:700;font-family:"IBM Plex Sans";}
.why-card p{margin-top:8px;font-size:13.5px;color:var(--ink-soft);line-height:1.55;}

/* ============ INDUSTRIES ============ */
#industries{background:var(--steel-deep);color:#EDEFEA;}
#industries .eyebrow{color:var(--accent-2);}
#industries .section-head p{color:#B8C2C9;}
.chip-grid{display:flex;flex-wrap:wrap;gap:12px;}
.chip{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border:1px solid rgba(255,255,255,0.18);font-size:14.5px;font-weight:500;transition:background 0.25s ease,border-color 0.25s ease, transform 0.25s ease;}
.chip:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-3px);}
.chip svg{width:17px;height:17px;color:var(--accent-2);}
.chip:hover svg{color:#fff;}

/* ============ QUALITY ============ */
.quality-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,50px);}
.qa-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);}
.qa-item{background:var(--surface);padding:20px 22px;display:flex;gap:16px;align-items:flex-start;}
.qa-item svg{flex:none;width:20px;height:20px;color:var(--accent);margin-top:2px;}
.qa-item b{display:block;font-size:15.5px;font-weight:600;}
.qa-item span{display:block;margin-top:3px;font-size:13.5px;color:var(--ink-soft);line-height:1.5;}
.quality-visual{position:relative;background:var(--surface);border:1px solid var(--line);padding:clamp(24px,4vw,40px);display:flex;flex-direction:column;justify-content:center;}
.gauge{width:100%;aspect-ratio:2/1;position:relative;overflow:hidden;}
.gauge svg{width:100%;height:100%;}
.gauge-label{text-align:center;margin-top:-8px;}
.gauge-label b{font-family:"Big Shoulders Display";font-size:40px;color:var(--accent);}
.gauge-label span{display:block;font-family:"IBM Plex Mono";font-size:11px;letter-spacing:0.1em;color:var(--ink-faint);text-transform:uppercase;}

/* ============ CTA BANNER ============ */
.cta-banner{background:var(--accent);color:var(--accent-ink);position:relative;overflow:hidden;}
.cta-banner .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-banner h2{font-size:clamp(28px,4.4vw,46px);max-width:16ch;color:var(--accent-ink);}
.cta-banner .btn-ghost{border-color:var(--accent-ink);color:var(--accent-ink);}
.cta-banner .btn-ghost:hover{background:var(--accent-ink);color:var(--accent);}
.cta-banner::after{content:"";position:absolute;right:-6%;top:50%;width:340px;height:340px;border-radius:50%;border:40px solid rgba(255,255,255,0.14);transform:translateY(-50%);}

/* ============ CONTACT ============ */
#contact{background:var(--bg-alt);}
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:clamp(28px,5vw,60px);}
.contact-card{background:var(--surface);border:1px solid var(--line);padding:clamp(22px,3vw,32px);}
.contact-row{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);}
.contact-row:first-child{padding-top:0;}
.contact-row:last-child{border-bottom:none;padding-bottom:0;}
.contact-row svg{flex:none;width:20px;height:20px;color:var(--accent);margin-top:2px;}
.contact-row b{display:block;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--ink-faint);font-family:"IBM Plex Mono";font-weight:500;}
.contact-row a,.contact-row p{display:block;margin-top:4px;font-size:15.5px;font-weight:500;color:var(--ink);}
.contact-row a:hover{color:var(--accent);}

.map-card{margin-top:20px;background:var(--steel-deep);color:#EDEFEA;padding:26px;position:relative;overflow:hidden;background-image:linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);background-size:22px 22px;}
.map-pin{width:34px;height:34px;color:var(--accent);animation:bob 2.4s ease-in-out infinite;}
@keyframes bob{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}
.map-card p{margin-top:10px;font-size:13.5px;color:#C3CBD1;line-height:1.55;max-width:32ch;}

form.quote{background:var(--surface);border:1px solid var(--line);padding:clamp(24px,3.4vw,36px);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field.full{grid-column:1/-1;}
.field label{display:block;font-size:12px;letter-spacing:0.06em;text-transform:uppercase;color:var(--ink-faint);font-family:"IBM Plex Mono";margin-bottom:7px;}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line-strong);background:var(--bg);color:var(--ink);padding:13px 14px;font-family:inherit;font-size:14.5px;transition:border-color 0.2s ease, box-shadow 0.2s ease;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);}
.field textarea{resize:vertical;min-height:100px;}
form.quote .btn-primary{width:100%;justify-content:center;margin-top:4px;}

/* ============ FOOTER ============ */
footer{background:#12181D;color:#EDEFEA;padding:clamp(50px,7vw,80px) 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.3fr 0.8fr 0.8fr 1fr;gap:clamp(28px,5vw,50px);padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,0.14);}
.footer-brand p{margin-top:16px;font-size:14px;color:#AEB8C0;line-height:1.6;max-width:34ch;}
.footer-col h4{font-family:"IBM Plex Mono";font-size:11.5px;letter-spacing:0.1em;text-transform:uppercase;color:#889298;font-weight:500;}
.footer-col ul{margin-top:16px;display:grid;gap:11px;}
.footer-col a{font-size:14.5px;color:#D6DADD;transition:color 0.2s ease, padding-left 0.2s ease;}
.footer-col a:hover{color:var(--accent-2);padding-left:4px;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;flex-wrap:wrap;gap:10px;}
.footer-bottom p{font-size:12.5px;color:#7C8790;font-family:"IBM Plex Mono";}

/* ============ RESPONSIVE ============ */
@media (max-width:980px){
  nav.links,.nav-cta{display:none;}
  .burger{display:flex;}
  .mobile-menu{display:block;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-art{order:-1;max-width:340px;margin:0 auto;}
  .about-grid,.quality-grid,.contact-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .products-grid{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .mini-art{display:none;}
}
@media (max-width:640px){
  .products-grid{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-banner .wrap{flex-direction:column;align-items:flex-start;}
  .hero-meta{gap:20px;}
}