/* ==========================================================================
   BLUECREST VALVES & FITTINGS — DESIGN SYSTEM
   Theme: blueprint / technical-schematic, blue + white, brass as a whisper
   ========================================================================== */

:root{
  /* --- color --- */
  --navy-900:#0A2647;
  --navy-800:#0D3266;
  --blue-700:#12518F;
  --blue-600:#1668B8;
  --blue-500:#1E85DE;
  --blue-100:#E9F3FC;
  --blue-50:#F4F9FE;
  --white:#FFFFFF;
  --ink:#0E2338;
  --slate:#5A7290;
  --slate-light:#8CA1B8;
  --line:#D7E5F4;
  --brass:#B8893B;
  --brass-soft:#E7D4AF;

  /* --- type --- */
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  /* --- layout --- */
  --maxw:1240px;
  --radius:2px;
  --header-h:84px;
  --ease:cubic-bezier(.22,.85,.32,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;color:var(--navy-900);line-height:1.12;font-weight:600;}
p{margin:0;line-height:1.7;color:var(--slate);}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--blue-500);outline-offset:3px;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue-600);font-weight:500;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brass);}

.section{padding:104px 0;position:relative;}
.section-tight{padding:72px 0;}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(28px,3.4vw,42px);}
.section-head p{margin-top:16px;font-size:16.5px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow::before{display:none;}

.tag-blue{background:var(--blue-50);}
.tag-navy{background:var(--navy-900);color:var(--white);}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;font-size:14.5px;font-weight:600;
  border-radius:var(--radius);border:1px solid transparent;
  transition:transform .35s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn-primary{background:var(--blue-600);color:var(--white);}
.btn-primary:hover{background:var(--navy-900);transform:translateY(-2px);}
.btn-outline{border-color:rgba(255,255,255,.4);color:var(--white);}
.btn-outline:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-ghost{border-color:var(--line);color:var(--navy-900);}
.btn-ghost:hover{border-color:var(--blue-600);color:var(--blue-600);transform:translateY(-2px);}
.btn svg{width:16px;height:16px;transition:transform .3s var(--ease);}
.btn:hover svg{transform:translateX(4px);}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,box-shadow .3s;
}
.site-header.scrolled{
  border-color:var(--line);
  box-shadow:0 8px 28px rgba(10,38,71,.06);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%;}

.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:40px;height:40px;flex:none;}
.brand-word{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--navy-900);letter-spacing:-.01em;}
.brand-word span{color:var(--blue-600);}
.brand-sub{display:block;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.16em;color:var(--slate);text-transform:uppercase;margin-top:1px;}

.main-nav{display:flex;align-items:stretch;gap:2px;}
.main-nav > li{display:flex;align-items:center;position:relative;}
.nav-link{
  display:flex;align-items:center;gap:6px;
  padding:10px 18px;font-size:14.5px;font-weight:500;color:var(--navy-900);
  position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:18px;right:18px;bottom:4px;height:2px;
  background:var(--blue-600);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.is-current{color:var(--blue-600);}
.nav-caret{width:10px;height:10px;transition:transform .3s var(--ease);}
li.has-mega:hover .nav-caret{transform:rotate(180deg);}

.header-cta{display:flex;align-items:center;gap:18px;}
.header-cta .btn{padding:11px 22px;}
.header-phone{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:13px;color:var(--navy-900);}
.header-phone svg{width:15px;height:15px;color:var(--brass);}

/* mega menu */
.mega{
  position:absolute;top:100%;left:0;
  width:640px;
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(10,38,71,.14);
  display:grid;grid-template-columns:220px 1fr;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
  z-index:50;
}
li.has-mega:hover .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega-cats{background:var(--blue-50);border-right:1px solid var(--line);padding:14px 0;}
.mega-cat{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;font-size:14.5px;font-weight:600;color:var(--navy-900);
  cursor:pointer;border-left:3px solid transparent;transition:.2s;
}
.mega-cat svg{width:14px;height:14px;color:var(--slate-light);transition:.2s;}
.mega-cat:hover,.mega-cat.active{background:var(--white);border-left-color:var(--blue-600);color:var(--blue-600);}
.mega-cat:hover svg,.mega-cat.active svg{color:var(--blue-600);transform:translateX(2px);}

.mega-items{padding:18px 22px;max-height:392px;overflow-y:auto;}
.mega-items-group{display:none;}
.mega-items-group.active{display:block;}
.mega-items-group a{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  padding:9px 4px;font-size:14px;color:var(--ink);border-bottom:1px dashed var(--line);
  transition:.2s;
}
.mega-items-group a:last-child{border-bottom:none;}
.mega-items-group a:hover{color:var(--blue-600);padding-left:8px;}
.mega-items-group a small{font-family:var(--font-mono);font-size:10.5px;color:var(--slate-light);white-space:nowrap;}
.mega-foot{grid-column:1/-1;border-top:1px solid var(--line);padding:14px 22px;background:var(--blue-50);}
.mega-foot a{font-size:13px;font-weight:600;color:var(--blue-600);display:flex;align-items:center;gap:6px;}

/* mobile nav */
.nav-toggle{
  display:none;flex-direction:column;gap:5px;width:38px;height:38px;
  align-items:center;justify-content:center;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);
}
.nav-toggle span{width:18px;height:2px;background:var(--navy-900);transition:.3s var(--ease);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-panel{
  position:fixed;inset:var(--header-h) 0 0 0;background:var(--white);
  transform:translateX(100%);transition:transform .38s var(--ease);
  z-index:850;overflow-y:auto;padding:12px 0 60px;
}
.mobile-panel.open{transform:translateX(0);}
.m-link{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;font-size:16px;font-weight:600;color:var(--navy-900);border-bottom:1px solid var(--blue-50);}
.m-link svg{width:14px;height:14px;transition:transform .3s;color:var(--slate-light);}
.m-acc.open .m-link svg{transform:rotate(90deg);}
.m-sub{max-height:0;overflow:hidden;transition:max-height .35s var(--ease);background:var(--blue-50);}
.m-acc.open .m-sub{max-height:1400px;}
.m-cat{display:flex;justify-content:space-between;padding:14px 28px 10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--blue-600);}
.m-item{display:flex;justify-content:space-between;padding:11px 28px;font-size:14px;color:var(--ink);border-bottom:1px dashed var(--line);}
.m-item small{font-family:var(--font-mono);color:var(--slate-light);font-size:10px;}
.mobile-panel .header-cta{flex-direction:column;align-items:stretch;padding:24px 28px;gap:14px;}
.mobile-panel .header-phone{justify-content:center;}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;padding:calc(var(--header-h) + 76px) 0 100px;
  background:var(--navy-900);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse at 30% 30%,black 10%,transparent 72%);
}
.hero .container{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.hero-copy .eyebrow{color:var(--brass-soft);}
.hero-copy .eyebrow::before{background:var(--brass-soft);}
.hero-copy h1{color:var(--white);font-size:clamp(36px,4.6vw,58px);letter-spacing:-.01em;}
.hero-copy h1 em{font-style:normal;color:var(--blue-500);}
.hero-copy p{color:#B9C8DC;font-size:17.5px;max-width:520px;margin-top:22px;}
.hero-actions{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap;}
.hero-meta{display:flex;gap:36px;margin-top:56px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);}
.hero-meta div b{display:block;font-family:var(--font-display);font-size:26px;color:var(--white);}
.hero-meta div span{font-size:12px;color:#93A7C1;font-family:var(--font-mono);letter-spacing:.04em;}

.hero-art{position:relative;height:440px;}
.hero-art svg{width:100%;height:100%;}
.flow-line{stroke-dasharray:8 7;animation:flow 2.4s linear infinite;}
@keyframes flow{to{stroke-dashoffset:-30;}}
.valve-turn{transform-origin:center;transition:transform 1.1s var(--ease);}
.hero-art.spin .valve-turn{transform:rotate(80deg);}

/* trust strip */
.trust{background:var(--blue-50);border-bottom:1px solid var(--line);padding:26px 0;}
.trust .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;}
.trust-item{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--slate);font-weight:500;}
.trust-item svg{width:20px;height:20px;color:var(--blue-600);flex:none;}

/* ==========================================================================
   REVEAL / SCROLL ANIMATION
   ========================================================================== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal-stagger > *{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal-stagger.in > *{opacity:1;transform:translateY(0);}
.reveal-stagger.in > *:nth-child(1){transition-delay:.05s;}
.reveal-stagger.in > *:nth-child(2){transition-delay:.14s;}
.reveal-stagger.in > *:nth-child(3){transition-delay:.23s;}
.reveal-stagger.in > *:nth-child(4){transition-delay:.32s;}
.reveal-stagger.in > *:nth-child(5){transition-delay:.41s;}
.reveal-stagger.in > *:nth-child(6){transition-delay:.5s;}
.reveal-scale{opacity:0;transform:scale(.94);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal-scale.in{opacity:1;transform:scale(1);}
.draw-line{stroke-dashoffset:1;transition:stroke-dashoffset 1.4s var(--ease);}
.draw-line.in{stroke-dashoffset:0;}

@media (prefers-reduced-motion:reduce){
  .reveal,.reveal-stagger>*,.reveal-scale,.draw-line,.flow-line,.valve-turn{transition:none!important;animation:none!important;opacity:1!important;transform:none!important;}
}

/* ==========================================================================
   ABOUT TEASER / SPLIT
   ========================================================================== */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center;}
.split-art{position:relative;aspect-ratio:4/5;background:var(--blue-50);border:1px solid var(--line);overflow:hidden;}
.blueprint-card{position:absolute;inset:0;}
.corner{position:absolute;width:18px;height:18px;border:2px solid var(--brass);}
.corner.tl{top:14px;left:14px;border-right:none;border-bottom:none;}
.corner.tr{top:14px;right:14px;border-left:none;border-bottom:none;}
.corner.bl{bottom:14px;left:14px;border-right:none;border-top:none;}
.corner.br{bottom:14px;right:14px;border-left:none;border-top:none;}

.feature-list{margin-top:28px;display:grid;gap:18px;}
.feature-row{display:flex;gap:16px;align-items:flex-start;padding-bottom:18px;border-bottom:1px solid var(--line);}
.feature-row:last-child{border-bottom:none;padding-bottom:0;}
.feature-num{font-family:var(--font-mono);font-size:12px;color:var(--brass);padding-top:3px;}
.feature-row h4{font-size:16.5px;margin-bottom:6px;}
.feature-row p{font-size:14.5px;}

/* ==========================================================================
   PRODUCT CATEGORY CARDS
   ========================================================================== */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.cat-card{
  position:relative;background:var(--navy-900);color:var(--white);
  padding:40px;min-height:260px;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  transition:transform .5s var(--ease);
}
.cat-card:nth-child(2){background:var(--blue-700);}
.cat-card:hover{transform:translateY(-6px);}
.cat-card::before{
  content:"";position:absolute;top:-40%;right:-20%;width:280px;height:280px;
  border:1px solid rgba(255,255,255,.12);border-radius:50%;
}
.cat-card::after{
  content:"";position:absolute;top:-10%;right:8%;width:180px;height:180px;
  border:1px solid rgba(255,255,255,.1);border-radius:50%;
}
.cat-tag{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--brass-soft);margin-bottom:14px;position:relative;}
.cat-card h3{color:var(--white);font-size:26px;position:relative;}
.cat-card p{color:#B9C8DC;margin-top:10px;max-width:340px;position:relative;font-size:14.5px;}
.cat-link{margin-top:22px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--white);position:relative;}
.cat-link svg{width:15px;height:15px;transition:transform .3s var(--ease);}
.cat-card:hover .cat-link svg{transform:translateX(5px);}

/* ==========================================================================
   PRODUCT GRID (cards)
   ========================================================================== */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.prod-card{
  border:1px solid var(--line);background:var(--white);
  transition:box-shadow .35s var(--ease),transform .35s var(--ease),border-color .35s;
  display:flex;flex-direction:column;
}
.prod-card:hover{box-shadow:0 20px 40px rgba(10,38,71,.1);transform:translateY(-4px);border-color:var(--blue-100);}
.prod-thumb{
  aspect-ratio:4/3;background:var(--blue-50);position:relative;display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--line);
}
.prod-thumb svg{width:64px;height:64px;color:var(--blue-600);transition:transform .5s var(--ease);}
.prod-card:hover .prod-thumb svg{transform:rotate(24deg) scale(1.06);}
.prod-code{position:absolute;top:12px;left:12px;font-family:var(--font-mono);font-size:10.5px;background:var(--white);border:1px solid var(--line);padding:3px 8px;color:var(--slate);}
.prod-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;}
.prod-body h4{font-size:15.5px;margin-bottom:8px;}
.prod-body p{font-size:13.5px;flex:1;}
.prod-foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);}
.prod-cat{font-family:var(--font-mono);font-size:10.5px;color:var(--brass);text-transform:uppercase;letter-spacing:.06em;}
.prod-more{font-size:12.5px;font-weight:600;color:var(--blue-600);display:flex;align-items:center;gap:5px;}

.filter-bar{display:flex;gap:10px;margin-bottom:40px;flex-wrap:wrap;}
.filter-btn{padding:10px 20px;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--navy-900);background:var(--white);border-radius:20px;transition:.25s;}
.filter-btn.active,.filter-btn:hover{background:var(--navy-900);color:var(--white);border-color:var(--navy-900);}

/* ==========================================================================
   STATS BAND
   ========================================================================== */
.stats-band{background:var(--blue-700);position:relative;overflow:hidden;}
.stats-band .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:64px 32px;}
.stat h3{font-size:clamp(32px,4vw,46px);color:var(--white);}
.stat span{display:block;font-family:var(--font-mono);font-size:12px;color:#CFE1F5;letter-spacing:.06em;margin-top:8px;}

/* ==========================================================================
   PROCESS / WHY US
   ========================================================================== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.process-step{background:var(--white);padding:36px 28px;}
.process-step .feature-num{font-size:13px;}
.process-step h4{margin-top:14px;font-size:17px;}
.process-step p{margin-top:10px;font-size:14px;}

/* ==========================================================================
   CTA BANNER
   ========================================================================== */
.cta-banner{
  background:var(--navy-900);color:var(--white);
  padding:80px 0;position:relative;overflow:hidden;
}
.cta-banner .container{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-banner h2{color:var(--white);font-size:clamp(26px,3vw,36px);max-width:560px;}
.cta-banner p{color:#B9C8DC;margin-top:12px;max-width:480px;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{background:var(--navy-900);color:#A9BCD3;padding:76px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot-brand p{color:#93A7C1;font-size:14px;margin-top:16px;max-width:280px;}
.foot-social{display:flex;gap:10px;margin-top:22px;}
.foot-social a{width:34px;height:34px;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;transition:.25s;}
.foot-social a:hover{background:var(--blue-600);border-color:var(--blue-600);}
.foot-social svg{width:15px;height:15px;}
.foot-col h5{color:var(--white);font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px;font-weight:500;}
.foot-col ul li{margin-bottom:12px;}
.foot-col a{font-size:14px;color:#A9BCD3;transition:.2s;}
.foot-col a:hover{color:var(--white);padding-left:4px;}
.foot-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:16px;align-items:flex-start;}
.foot-contact svg{width:16px;height:16px;color:var(--brass);flex:none;margin-top:2px;}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 0;font-size:13px;color:#7E93AE;flex-wrap:wrap;gap:12px;}
.foot-bottom a{color:#A9BCD3;}
.foot-bottom a:hover{color:var(--white);}
.foot-legal{display:flex;gap:22px;flex-wrap:wrap;}

/* ==========================================================================
   PAGE HEADER (inner pages)
   ========================================================================== */
.page-hero{
  background:var(--navy-900);color:var(--white);
  padding:calc(var(--header-h) + 64px) 0 60px;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
}
.page-hero .container{position:relative;}
.breadcrumb{display:flex;gap:8px;align-items:center;font-family:var(--font-mono);font-size:12px;color:#93A7C1;margin-bottom:18px;}
.breadcrumb a:hover{color:var(--white);}
.page-hero h1{color:var(--white);font-size:clamp(30px,4vw,46px);}
.page-hero p{color:#B9C8DC;margin-top:14px;max-width:560px;}

/* generic content blocks (about / privacy / contact) */
.prose h2{font-size:24px;margin:44px 0 14px;}
.prose h2:first-child{margin-top:0;}
.prose p{margin-bottom:16px;font-size:15.5px;}
.prose ul{margin:0 0 20px;padding-left:0;}
.prose ul li{position:relative;padding-left:24px;margin-bottom:10px;font-size:15px;color:var(--slate);line-height:1.7;}
.prose ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border:2px solid var(--blue-600);}
.prose strong{color:var(--navy-900);}

.legal-shell{display:grid;grid-template-columns:260px 1fr;gap:56px;}
.legal-toc{position:sticky;top:calc(var(--header-h) + 32px);align-self:start;border-left:2px solid var(--line);padding-left:20px;}
.legal-toc a{display:block;font-size:13.5px;color:var(--slate);padding:8px 0;transition:.2s;}
.legal-toc a:hover{color:var(--blue-600);padding-left:4px;}
.legal-updated{font-family:var(--font-mono);font-size:12px;color:var(--brass);margin-bottom:8px;display:block;}

/* timeline (about page) */
.timeline{position:relative;padding-left:36px;border-left:2px solid var(--line);}
.timeline-item{position:relative;padding-bottom:44px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:"";position:absolute;left:-43px;top:2px;width:14px;height:14px;background:var(--white);border:3px solid var(--blue-600);border-radius:50%;}
.timeline-item b{font-family:var(--font-mono);color:var(--blue-600);font-size:13px;display:block;margin-bottom:6px;}
.timeline-item h4{font-size:17px;margin-bottom:6px;}
.timeline-item p{font-size:14.5px;}

.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.value-card{padding:32px 26px;border:1px solid var(--line);background:var(--blue-50);}
.value-card svg{width:30px;height:30px;color:var(--blue-600);margin-bottom:18px;}
.value-card h4{font-size:16.5px;margin-bottom:8px;}
.value-card p{font-size:14px;}

/* infra strip */
.infra-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.infra-item{aspect-ratio:1/1;background:var(--blue-50);border:1px solid var(--line);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.infra-item svg{width:44%;height:44%;color:var(--blue-600);opacity:.85;}
.infra-cap{position:absolute;bottom:0;left:0;right:0;background:rgba(10,38,71,.88);color:var(--white);font-size:12px;padding:9px 12px;font-family:var(--font-mono);}

/* contact page */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;}
.contact-card{border:1px solid var(--line);padding:26px 24px;display:flex;gap:16px;margin-bottom:16px;}
.contact-card svg{width:22px;height:22px;color:var(--blue-600);flex:none;}
.contact-card h4{font-size:14.5px;margin-bottom:6px;}
.contact-card p{font-size:13.5px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-field{margin-bottom:18px;}
.form-field.full{grid-column:1/-1;}
.form-field label{display:block;font-size:12.5px;font-weight:600;color:var(--navy-900);margin-bottom:8px;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.04em;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);background:var(--blue-50);font-family:var(--font-body);font-size:14.5px;color:var(--ink);transition:.2s;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--blue-600);background:var(--white);}
.form-note{font-size:12.5px;color:var(--slate-light);margin-top:14px;}
.map-embed{border:1px solid var(--line);overflow:hidden;margin-top:20px;height:280px;}
.map-embed iframe{width:100%;height:100%;border:0;filter:grayscale(.15);}

/* downloads page */
.dl-list{display:grid;gap:16px;}
.dl-row{
  display:flex;align-items:center;gap:20px;padding:22px 26px;border:1px solid var(--line);
  transition:.25s;
}
.dl-row:hover{border-color:var(--blue-600);background:var(--blue-50);}
.dl-icon{width:46px;height:46px;background:var(--navy-900);color:var(--white);display:flex;align-items:center;justify-content:center;flex:none;}
.dl-icon svg{width:20px;height:20px;}
.dl-info{flex:1;}
.dl-info h4{font-size:15.5px;margin-bottom:4px;}
.dl-info span{font-family:var(--font-mono);font-size:11.5px;color:var(--slate-light);}
.dl-btn{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--blue-600);border:1px solid var(--blue-600);padding:9px 18px;flex:none;transition:.25s;}
.dl-btn:hover{background:var(--blue-600);color:var(--white);}

/* back to top */
.to-top{
  position:fixed;bottom:28px;right:28px;width:46px;height:46px;background:var(--navy-900);color:var(--white);
  display:flex;align-items:center;justify-content:center;z-index:500;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.3s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--blue-600);}
.to-top svg{width:18px;height:18px;}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1080px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero .container{grid-template-columns:1fr;}
  .hero-art{height:320px;order:-1;}
  .split{grid-template-columns:1fr;gap:40px;}
  .cat-grid{grid-template-columns:1fr;}
  .prod-grid{grid-template-columns:repeat(2,1fr);}
  .stats-band .container{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .legal-shell{grid-template-columns:1fr;}
  .legal-toc{position:static;border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:20px;}
  .contact-grid{grid-template-columns:1fr;}
  .values-grid{grid-template-columns:1fr 1fr;}
  .infra-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:680px){
  .container{padding:0 20px;}
  .section{padding:72px 0;}
  :root{--header-h:70px;}
  .hero{padding-top:calc(var(--header-h) + 40px);}
  .hero-meta{flex-wrap:wrap;gap:24px;}
  .prod-grid{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:36px;}
  .cta-banner .container{flex-direction:column;align-items:flex-start;}
  .values-grid{grid-template-columns:1fr;}
  .infra-grid{grid-template-columns:1fr 1fr;}
  .form-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .stats-band .container{grid-template-columns:1fr 1fr;padding:48px 20px;}
}


.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  height: 80px;      /* adjust to fit your header height */
  width: auto;
  object-fit: contain;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}