/* ===== Additional components for the multi-page site ===== */

/* header: two CTAs */
.nav .btn-wa-line{border-color:#2E7D47;color:#fff;background:transparent}
.nav .btn-wa-line:hover{border-color:#1FA855;background:rgba(31,168,85,.12)}
.nav a[aria-current="page"]{color:#fff;background:var(--graphite-3)}
.mobile-nav .btn+.btn{margin-top:10px}
.mobile-nav .btn-wa{background:#1FA855;color:#fff}

/* hero: WhatsApp secondary CTA */
.btn-wa-hero{background:#1FA855;color:#fff}
.btn-wa-hero:hover{background:#178F47}
.hero{min-height:min(720px,88vh)}

/* page hero (inner pages) */
.page-hero{background:var(--graphite);color:#fff;padding-block:56px 48px;position:relative;overflow:hidden}
.page-hero.has-img{min-height:360px;display:flex;align-items:flex-end}
.page-hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,17,16,.95) 0%,rgba(18,17,16,.7) 55%,rgba(18,17,16,.35) 100%)}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(34px,4.6vw,56px);font-weight:700;letter-spacing:-.03em;margin-top:14px;max-width:18ch}
.page-hero .lede{font-size:18px;color:var(--on-d);max-width:60ch;margin-top:18px}
.page-hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.crumbs{font-size:13.5px;color:var(--on-d-2);display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumbs a{color:var(--on-d-2);text-decoration:none}
.crumbs a:hover{color:#fff}
.crumbs span{color:#6B6965}
.page-hero .crumbs{margin-bottom:6px}

/* product cards (home + catalogue) */
.prod-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:44px}
.prod-card{border:1px solid var(--rule);border-radius:8px;background:var(--white);text-decoration:none;color:inherit;display:flex;flex-direction:column;overflow:hidden;transition:border-color .15s,box-shadow .15s}
.prod-card:hover{border-color:var(--lime-ink);box-shadow:var(--shadow)}
.prod-card .ph{height:190px;display:flex;align-items:center;justify-content:center;background:var(--paper);padding:20px;background-image:linear-gradient(rgba(23,22,21,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,22,21,.045) 1px,transparent 1px);background-size:24px 24px}
.prod-card .ph img{max-height:150px;width:auto;object-fit:contain;filter:drop-shadow(0 12px 14px rgba(18,17,16,.16))}
.prod-card .tx{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.prod-card h3{font-size:18px;font-weight:700;letter-spacing:-.01em}
.prod-card p{font-size:14px;color:var(--muted);line-height:1.5}
.prod-card .more{margin-top:auto;padding-top:10px;font-size:14px;font-weight:600;color:var(--lime-ink)}
.cat-head{margin-top:72px;display:flex;align-items:baseline;gap:18px;flex-wrap:wrap}
.cat-head h2{font-size:26px;font-weight:700}
.cat-head span{font-size:14px;color:var(--muted)}
.cat-head+.prod-grid{margin-top:22px}

/* product detail page */
.prod-top{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:start}
.prod-photo{background:var(--paper);border:1px solid var(--rule);border-radius:10px;min-height:440px;display:flex;align-items:center;justify-content:center;padding:40px;position:relative;background-image:linear-gradient(rgba(23,22,21,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,22,21,.045) 1px,transparent 1px);background-size:24px 24px}
.prod-photo img{max-height:360px;max-width:100%;width:auto;object-fit:contain;filter:drop-shadow(0 22px 26px rgba(18,17,16,.2))}
.prod-photo .tag{position:absolute;left:16px;top:16px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.prod-body h2{font-size:26px;font-weight:700;margin-top:48px}
.prod-body h2:first-child{margin-top:0}
.prod-body p{color:var(--ink-2);font-size:16.5px;margin-top:14px;max-width:68ch}
.prod-body ul.plain{margin:14px 0 0;padding-left:20px;color:var(--ink-2);display:grid;gap:6px;max-width:68ch}
.specs{margin-top:18px}
.prod-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px}
.aside-card{border:1px solid var(--rule);border-radius:8px;padding:22px;background:var(--white)}
.aside-card h3{font-size:16px;font-weight:700}
.aside-card p{font-size:14px;color:var(--muted);margin-top:6px}
.aside-card .btn{width:100%;margin-top:12px}
.aside-card .btn+.btn{margin-top:8px}
.aside-card.dark{background:var(--graphite);border-color:var(--graphite);color:#fff}
.aside-card.dark p{color:var(--on-d-2)}
.brand-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.brand-chips a,.brand-chips span{font-size:13px;font-weight:600;border:1px solid var(--rule);border-radius:4px;padding:6px 10px;text-decoration:none;color:var(--ink-2);background:var(--white)}
.brand-chips a:hover{border-color:var(--lime-ink);color:var(--lime-ink)}
.prod-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;margin-top:64px}
.related{margin-top:72px}
.related h2{font-size:26px;font-weight:700}
.related .prod-grid{margin-top:22px}
.app-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px;padding:0;list-style:none}
.app-list li{border:1px solid var(--rule);border-radius:6px;padding:12px 14px;font-size:14.5px;background:var(--white);display:flex;gap:10px;align-items:flex-start}
.app-list li::before{content:"";width:8px;height:8px;background:var(--lime);border-radius:1px;flex:none;margin-top:7px}

/* generic content page */
.content{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:start}
.content .prose p{font-size:17px;color:var(--ink-2);margin-top:16px;max-width:68ch}
.content .prose h2{font-size:28px;font-weight:700;margin-top:48px}
.content .prose h2:first-child{margin-top:0}
.content .prose h3{font-size:20px;font-weight:700;margin-top:28px}
.content .prose ul{color:var(--ink-2);padding-left:20px;margin-top:12px;display:grid;gap:6px;max-width:68ch}

/* industries page */
.ind-rows{display:grid;gap:18px;margin-top:48px}
.ind-row{display:grid;grid-template-columns:320px minmax(0,1fr);gap:0;border:1px solid var(--rule);border-radius:10px;overflow:hidden;background:var(--white)}
.ind-row img{width:100%;height:100%;min-height:240px;object-fit:cover}
.ind-row .tx{padding:28px 32px}
.ind-row h2{font-size:24px;font-weight:700}
.ind-row p{color:var(--ink-2);margin-top:10px;max-width:62ch}
.ind-row .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.ind-row .tags a{font-size:13px;font-weight:600;border:1px solid var(--rule);border-radius:4px;padding:6px 10px;text-decoration:none;color:var(--ink-2)}
.ind-row .tags a:hover{border-color:var(--lime-ink);color:var(--lime-ink)}

/* brands page */
.brand-rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:48px}
.brand-row{border:1px solid var(--rule);border-radius:10px;padding:26px 28px;display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;align-items:start;background:var(--white)}
.brand-row .mk{height:70px;display:flex;align-items:center;justify-content:flex-start}
.brand-row .mk img{max-height:60px;max-width:150px;object-fit:contain}
.brand-row .mk .wm{font-family:var(--f-display);font-weight:800;font-size:28px;letter-spacing:.14em;color:#1F3B70}
.brand-row h2{font-size:20px;font-weight:700}
.brand-row .ct{font-family:var(--f-mono);font-size:12px;color:var(--muted);display:block;margin-top:2px}
.brand-row p{font-size:15px;color:var(--ink-2);margin-top:10px}
.brand-row .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.brand-row .tags a{font-size:12.5px;font-weight:600;border:1px solid var(--rule);border-radius:4px;padding:5px 9px;text-decoration:none;color:var(--ink-2)}
.brand-row .tags a:hover{border-color:var(--lime-ink);color:var(--lime-ink)}

/* CTA band */
.cta-band{background:var(--lime);color:var(--graphite);padding-block:56px}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(26px,3vw,36px);font-weight:700;max-width:22ch}
.cta-band p{margin-top:8px;font-size:16px;color:#2B4A0A;max-width:52ch}
.cta-band .btns{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-dark{background:var(--graphite);color:#fff}
.cta-band .btn-wa{background:#167A40}

/* valve lab page */
.lab-page{background:var(--graphite);color:#fff;padding-block:48px 104px}

/* 404 */
.nf{text-align:left;padding-block:120px}
.nf h1{font-size:clamp(40px,6vw,80px);font-weight:700;letter-spacing:-.03em}
.nf p{font-size:18px;color:var(--muted);margin-top:16px;max-width:50ch}

/* misc */
.trust b{font-size:24px}
.hero .actions .btn{min-height:52px}
.foot-grid{grid-template-columns:minmax(0,1.3fr) repeat(4,minmax(0,1fr))}
.foot-social{display:flex;gap:10px;margin-top:18px}
.foot-social a{width:40px;height:40px;border:1px solid var(--rule-d);border-radius:5px;display:inline-flex;align-items:center;justify-content:center;color:var(--on-d-2)}
.foot-social a:hover{color:#fff;border-color:var(--lime)}
.foot-bottom a{text-decoration:underline}
.sent-ok{grid-column:1/-1;background:var(--lime-wash);border:1px solid #C7E3A3;color:var(--lime-ink);border-radius:6px;padding:12px 14px;font-size:14px;font-weight:600}
.honey{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.note{font-size:14px;color:var(--muted);margin-top:16px}

@media (max-width:1080px){
  .prod-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .prod-top,.prod-layout,.content{grid-template-columns:minmax(0,1fr)}
  .prod-aside{position:static}
  .brand-rows{grid-template-columns:minmax(0,1fr)}
  .ind-row{grid-template-columns:minmax(0,1fr)}
  .ind-row img{max-height:220px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .prod-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .prod-card .ph{height:150px}
  .prod-card .ph img{max-height:115px}
  .prod-card .tx{padding:14px 14px 16px}
  .prod-card h3{font-size:16px}
  .prod-card p{display:none}
  .prod-photo{min-height:300px;padding:24px}
  .prod-photo img{max-height:240px}
  .brand-row{grid-template-columns:minmax(0,1fr)}
  .app-list{grid-template-columns:minmax(0,1fr)}
  .page-hero.has-img{min-height:280px}
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band .btn{width:100%}
  .cta-band .btns{width:100%}
}

/* ===== responsive hardening ===== */
html,body{overflow-x:hidden;max-width:100%}
.top .wrap.mobile-nav{display:block;min-height:0}
.top .wrap.mobile-nav[hidden]{display:none}
.mobile-nav a{display:block}
.mobile-nav .btn{display:flex}
.wrap{min-width:0}
.specs-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.specs td,.specs th{word-break:break-word}
.marquee{max-width:100%}
img,svg{max-width:100%}
.page-hero h1,.hero h1,.h2{overflow-wrap:anywhere}
@media (max-width:420px){
  .hero h1{font-size:clamp(34px,10vw,42px)}
  .util .u-l{gap:12px}
  .util .wrap{flex-wrap:wrap;gap:4px 12px;padding-block:6px}
  .u-dl{font-size:12px}
  .prod-card .ph{height:140px}
  .prod-card .ph img{max-height:110px}
  .brand-chips a{font-size:12px}
}

/* ===== hero v3: full-bleed warehouse photo ===== */
.hero.hero-v3{min-height:min(680px,86vh);padding-top:72px;justify-content:flex-end}
.hero-v3 .hero-bg{opacity:1;filter:none;object-position:55% 50%}
.hero-v3::before{background:linear-gradient(90deg,rgba(18,17,16,.92) 0%,rgba(18,17,16,.78) 34%,rgba(18,17,16,.3) 68%,rgba(18,17,16,.15) 100%),linear-gradient(0deg,rgba(18,17,16,.85) 0%,rgba(18,17,16,0) 40%)}
.hero-v3 .hero-grid{grid-template-columns:minmax(0,1fr);padding-block:60px 0}
.hero-v3 .hero-copy{max-width:600px}
.hero-v3 h1{font-size:clamp(38px,4.8vw,64px);margin-top:0;line-height:1.04;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.hero-v3 .lede{font-size:18px;margin-top:20px;max-width:46ch;color:#E7E8E3}
.hero-v3 .actions{margin-top:30px}
.hero-v3 .trust{margin-top:72px;background:rgba(18,17,16,.72)}
@media (max-width:640px){.hero.hero-v3{min-height:auto;padding-top:28px}.hero-v3::before{background:linear-gradient(0deg,rgba(18,17,16,.96) 0%,rgba(18,17,16,.82) 55%,rgba(18,17,16,.45) 100%)}.hero-v3 .trust{margin-top:40px}}

/* ===== product viewer ===== */
.viewer{display:flex;flex-direction:column;gap:10px}
.viewer-main{position:relative;background:#fff;border:1px solid var(--rule);border-radius:10px;aspect-ratio:1/1;overflow:hidden;cursor:zoom-in;display:flex;align-items:center;justify-content:center}
.viewer-main img{width:100%;height:100%;object-fit:contain;display:block;user-select:none;-webkit-user-drag:none}
.viewer-lens{position:absolute;inset:0;background-repeat:no-repeat;background-color:#fff;opacity:0;pointer-events:none;transition:opacity .12s}
.viewer-main.zooming .viewer-lens{opacity:1}
.viewer-open{position:absolute;right:12px;top:12px;width:40px;height:40px;border-radius:6px;border:1px solid var(--rule);background:rgba(255,255,255,.92);color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:2}
.viewer-open:hover{border-color:var(--lime-ink);color:var(--lime-ink)}
.viewer-hint{position:absolute;left:12px;bottom:10px;font-family:var(--f-mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);background:rgba(255,255,255,.85);padding:3px 8px;border-radius:3px;z-index:2}
.viewer-thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.viewer-thumbs button{aspect-ratio:1/1;border:1.5px solid var(--rule);border-radius:8px;background:#fff;padding:6px;cursor:pointer;overflow:hidden}
.viewer-thumbs button img{width:100%;height:100%;object-fit:contain;display:block}
.viewer-thumbs button[aria-selected="true"]{border-color:var(--lime-ink);box-shadow:0 0 0 2px rgba(142,199,64,.35)}
@media (hover:none){.viewer-hint{display:none}.viewer-main{cursor:pointer}}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(10,10,10,.96);display:flex;flex-direction:column}
.lightbox[hidden]{display:none}
.lb-stage{flex:1;overflow:hidden;position:relative;touch-action:none;cursor:grab;display:flex;align-items:center;justify-content:center}
.lb-stage.drag{cursor:grabbing}
.lb-stage img{max-width:90vw;max-height:84vh;object-fit:contain;transform-origin:0 0;will-change:transform;background:#fff;border-radius:6px;user-select:none}
.lb-close{position:absolute;right:16px;top:calc(16px + env(safe-area-inset-top,0px));z-index:2;width:46px;height:46px;border-radius:50%;border:1px solid #444;background:#1C1A19;color:#fff;font-size:26px;line-height:1;cursor:pointer}
.lb-bar{display:flex;align-items:center;justify-content:center;gap:14px;padding:12px 16px calc(14px + env(safe-area-inset-bottom,0px));color:#AEB0A9;font-family:var(--f-mono);font-size:13px;border-top:1px solid #2A2826}
.lb-bar button{width:42px;height:42px;border-radius:50%;border:1px solid #444;background:#1C1A19;color:#fff;font-size:24px;line-height:1;cursor:pointer}
.lb-bar button:hover{border-color:var(--lime)}
.lb-tip{margin-left:12px;font-size:12px}
@media (max-width:640px){.lb-tip{display:none}.viewer-thumbs{gap:8px}}

/* ===== cut-out product images: float on panels ===== */
.viewer-main{background:var(--paper);background-image:linear-gradient(rgba(23,22,21,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(23,22,21,.045) 1px,transparent 1px);background-size:24px 24px;padding:6%}
.viewer-main img{filter:drop-shadow(0 22px 26px rgba(18,17,16,.22))}
.viewer-lens{background-color:var(--paper)}
.viewer-thumbs button{background:var(--paper);padding:10px}
.prod-card .ph img{filter:drop-shadow(0 14px 16px rgba(18,17,16,.2))}
.prod-card .ph{padding:22px}
.lb-stage img{background:#F6F6F3;padding:24px;box-sizing:border-box}
.svc-card.img .ph img{filter:drop-shadow(0 14px 18px rgba(0,0,0,.5))}

/* ===== alignment audit fixes ===== */
.page-hero .wrap{width:100%}
.page-hero.has-img .wrap{padding-top:40px}
.ind-rows,.brand-rows{margin-top:0}
.content .prose>*:first-child{margin-top:0}
.figs b{font-size:clamp(26px,3vw,38px)}
.figs{margin-top:0}
.partner-grid{align-items:start}
.prod-aside .aside-card:first-child{margin-top:0}
footer{padding-block:48px 24px}
@media (max-width:760px){
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}
  .foot-grid>div:first-child{grid-column:1/-1}
  .foot-grid>div:last-child{grid-column:1/-1}
  .figs b{font-size:28px}
  .figs div{padding:20px 18px}
  .h2{font-size:clamp(28px,8vw,34px)}
  .page-hero h1{font-size:clamp(30px,8.5vw,38px)}
  .page-hero .lede,.hero .lede{font-size:16.5px}
  .intro{font-size:16px}
  .sec-head{gap:14px}
  .cat-head{margin-top:48px}
  .route{padding:22px 18px 16px}
  .pillars .pillar{padding:20px 18px}
  .steps{margin-top:40px}
  .svc-grid{margin-top:28px}
  .logo-grid{margin-top:36px}
  .offices{margin-top:26px}
  .docs li{grid-template-columns:28px minmax(0,1fr);gap:10px 14px}
  .docs code{grid-column:2;justify-self:start}
  .cta-band{padding-block:44px}
  .cta-band h2{font-size:24px}
}

/* ===== audit fixes ===== */
.page-hero .wrap{width:100%}
.co-link{display:block;margin-top:auto;padding-top:8px;font-size:13.5px;font-weight:600;color:var(--lime-ink)}
.co.us .co-link{color:var(--lime)}
a.co{text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}
a.co:hover{border-color:var(--lime-ink);box-shadow:var(--shadow)}
.group-grid{margin-top:48px}
footer{font-size:14px}
@media (max-width:760px){
  .figs b{font-size:28px}
  .figs div{padding:20px 18px}
  .trust b{font-size:21px}
  .trust span{font-size:13px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}
  .foot-grid>div:first-child{grid-column:1/-1}
  .h2{font-size:clamp(28px,8vw,36px)}
  .page-hero h1{font-size:clamp(30px,8.5vw,40px)}
  .prod-card .tx{padding:12px 12px 14px}
  .sec-head{gap:14px}
}