/* GLASTIC design system — shared across all pages */
:root{
  --ink:#161A1E; --steel:#5A6268; --paper:#FBFBF9; --tint:#ECF0EF;
  --molten:#C2510A; --molten-soft:#F3E2D4; --line:#D9DDDB; --max:1240px;
  --display:'Archivo',sans-serif; --serif:'Source Serif 4',Georgia,serif; --mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:var(--serif);font-size:17px;line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
@media(min-width:900px){.wrap{padding:0 48px}}

/* type roles */
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--molten);font-weight:500;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--molten)}
.display{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:780;line-height:1.04;letter-spacing:-.015em}
h2.display{font-size:clamp(28px,4vw,46px);margin:14px 0 18px}
h3.sub{font-family:var(--display);font-weight:720;font-size:21px;margin:34px 0 12px}
.lede{font-size:clamp(17px,1.6vw,20px);color:var(--steel);max-width:62ch}
.mono{font-family:var(--mono);font-size:12.5px;letter-spacing:.02em}

/* top bar */
.topbar{background:var(--ink);color:#CFD4D2;font-family:var(--mono);font-size:11.5px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{color:#F0A36A}
.topbar .right{display:flex;gap:22px}
@media(max-width:700px){.topbar .right span.hidem{display:none}}

/* nav */
header.nav{position:sticky;top:0;z-index:60;background:rgba(251,251,249,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:var(--display);font-variation-settings:'wdth' 118;font-weight:850;font-size:23px;letter-spacing:.01em;text-decoration:none;display:flex;align-items:baseline;gap:8px}
.logo small{font-family:var(--mono);font-size:9.5px;font-weight:400;letter-spacing:.18em;color:var(--steel);text-transform:uppercase}
nav.menu{display:none;gap:26px}
nav.menu a{font-family:var(--display);font-size:13.5px;font-weight:560;text-decoration:none;letter-spacing:.02em;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent}
nav.menu a:hover,nav.menu a.active{border-bottom-color:var(--molten)}
@media(min-width:1020px){nav.menu{display:flex}}
.nav-cta{display:none;font-family:var(--display);font-weight:650;font-size:13.5px;text-decoration:none;background:var(--ink);color:#fff;padding:11px 20px;border-radius:3px}
.nav-cta:hover{background:var(--molten)}
@media(min-width:1020px){.nav-cta{display:inline-block}}
.burger{background:none;border:1px solid var(--line);border-radius:3px;padding:8px 12px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;cursor:pointer}
@media(min-width:1020px){.burger{display:none}}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--paper)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 24px;text-decoration:none;font-family:var(--display);font-weight:560;border-bottom:1px solid var(--tint)}

/* page hero */
.page-hero{border-bottom:1px solid var(--line);padding:56px 0 50px;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%)}
.breadcrumb{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin-bottom:26px}
.breadcrumb a{text-decoration:none;color:var(--steel)}
.breadcrumb a:hover{color:var(--molten)}
.breadcrumb span{color:var(--ink)}
.page-hero h1{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:800;font-size:clamp(32px,4.8vw,58px);line-height:1.04;letter-spacing:-.018em;margin:16px 0 18px;max-width:20ch}
.page-hero h1 em{font-style:normal;color:var(--molten)}
.page-hero .lede{margin-bottom:8px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;border:1px solid var(--line);background:#fff;padding:6px 12px;border-radius:2px;color:var(--steel)}
.chip b{color:var(--ink);font-weight:500}

/* sections */
section.block{padding:78px 0}
section.block.tinted{background:var(--tint)}
.sec-head{max-width:760px;margin-bottom:48px}
.btn{font-family:var(--display);font-weight:680;font-size:15px;text-decoration:none;padding:15px 28px;border-radius:3px;display:inline-block;transition:background .15s,color .15s}
.btn-primary{background:var(--molten);color:#fff;border:none;cursor:pointer}
.btn-primary:hover{background:#A84407}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* prose */
.prose{max-width:72ch}
.prose p{margin-bottom:18px}
.prose strong{font-weight:640}
.prose ul{margin:0 0 18px 22px}
.prose li{margin-bottom:8px}

/* fact / spec tables */
.fact-table{border:1px solid var(--line);background:#fff}
.fact-table .row{display:grid;grid-template-columns:180px 1fr;border-bottom:1px solid var(--tint)}
.fact-table .row:last-child{border-bottom:none}
.fact-table .k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);padding:13px 16px;border-right:1px solid var(--tint)}
.fact-table .v{font-size:14.5px;padding:12px 16px}
@media(max-width:560px){.fact-table .row{grid-template-columns:130px 1fr}}
table.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:14px}
table.spec th{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--tint);font-weight:500}
table.spec td{padding:12px 14px;border-bottom:1px solid var(--tint);vertical-align:top}
table.spec tr:last-child td{border-bottom:none}
table.spec td.m{font-family:var(--mono);font-size:12px}
.table-scroll{overflow-x:auto}

/* card grids */
.card-grid{display:grid;gap:14px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.card-grid.c3{grid-template-columns:repeat(3,1fr)}.card-grid.c4{grid-template-columns:repeat(4,1fr)}}
.card{border:1px solid var(--line);background:#fff;padding:24px 22px 26px;text-decoration:none;transition:border-color .15s;display:block}
.card:hover{border-color:var(--molten)}
.card .hsn{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--steel)}
.card h3{font-family:var(--display);font-weight:710;font-size:18px;margin:10px 0 8px}
.card p{font-size:14px;color:var(--steel);line-height:1.55}
.card .go{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-top:14px;display:inline-block;color:var(--molten)}

/* numbered clause rows (process, steps) */
.clauses{border-top:1px solid var(--line)}
.clause{display:grid;gap:8px 36px;padding:28px 0;border-bottom:1px solid var(--line)}
@media(min-width:860px){.clause{grid-template-columns:150px 280px 1fr;align-items:baseline}}
.clause .idx{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--molten)}
.clause h3{font-family:var(--display);font-weight:730;font-size:20px}
.clause p{font-size:15px;color:var(--steel)}

/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:860px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-strip .cell{background:#fff;padding:24px 22px}
.stat-strip .sv{font-family:var(--display);font-weight:780;font-size:28px;font-variation-settings:'wdth' 112}
.stat-strip .sv span{color:var(--molten)}
.stat-strip .sk{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-top:4px}

/* dark spec doc */
.dark{background:var(--ink);color:#E9ECEA}
.dark .lede{color:#AEB6B3}
.dark .eyebrow{color:#F0A36A}
.dark .eyebrow::before{background:#F0A36A}
.dark h2.display{color:#fff}
.spec-doc{border:1px solid #2A2F34;background:#1B2025;padding:26px 26px 30px}
.spec-doc .doc-title{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:#8C949A;border-bottom:1px solid #2A2F34;padding-bottom:12px;margin-bottom:6px}
.spec-row{display:grid;grid-template-columns:1fr auto;gap:12px;padding:11px 0;border-bottom:1px dashed #2A2F34;font-size:14px}
.spec-row:last-child{border-bottom:none}
.spec-row .sk{font-family:var(--mono);font-size:12px;color:#AEB6B3}
.spec-row .sv{font-family:var(--mono);font-size:12px;color:#fff;text-align:right}

/* qa list */
.qa-list{display:grid;border-top:1px solid var(--line)}
.qa-item{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.qa-item .tick{width:22px;height:22px;border:1.5px solid var(--molten);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--molten);font-size:12px;margin-top:2px}
.qa-item h4{font-family:var(--display);font-weight:680;font-size:16px}
.qa-item p{font-size:14px;color:var(--steel)}

/* certs */
.cert-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cert{font-family:var(--mono);font-size:11px;letter-spacing:.08em;border:1px solid var(--ink);padding:7px 13px;border-radius:2px;background:#fff}

/* faq */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{font-family:var(--display);font-weight:680;font-size:17px;padding:20px 36px 20px 0;cursor:pointer;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:18px;font-family:var(--mono);font-size:20px;color:var(--molten)}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 0 22px;color:var(--steel);font-size:15.5px;max-width:68ch}
.faq-group{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--molten);margin:40px 0 6px}
.faq-group:first-child{margin-top:0}

/* two col */
.two-col{display:grid;gap:44px}
@media(min-width:960px){.two-col{grid-template-columns:1.05fr .95fr;align-items:start}}

/* CTA band */
.cta-band{background:var(--ink);color:#fff}
.cta-band .wrap{display:grid;gap:24px;padding-top:64px;padding-bottom:64px;align-items:center}
@media(min-width:900px){.cta-band .wrap{grid-template-columns:1fr auto}}
.cta-band h2{font-family:var(--display);font-variation-settings:'wdth' 112;font-weight:780;font-size:clamp(26px,3.4vw,40px);line-height:1.08}
.cta-band p{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:#8C949A;margin-top:10px;text-transform:uppercase}

/* blog */
.post-card{border:1px solid var(--line);background:#fff;padding:26px 24px 28px;text-decoration:none;display:flex;flex-direction:column;gap:10px;transition:border-color .15s}
.post-card:hover{border-color:var(--molten)}
.post-card .pillar{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--molten)}
.post-card h3{font-family:var(--display);font-weight:720;font-size:19px;line-height:1.25}
.post-card p{font-size:14px;color:var(--steel)}
.post-card .meta{font-family:var(--mono);font-size:10.5px;color:var(--steel);margin-top:auto;padding-top:10px}
.tldr{border:1px solid var(--molten);background:var(--molten-soft);padding:20px 22px;margin:28px 0}
.tldr .t{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--molten);margin-bottom:8px}
.tldr p{font-size:15.5px}
.toc{border:1px solid var(--line);background:#fff;padding:18px 22px;margin:0 0 34px;font-size:14px}
.toc .t{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin-bottom:10px}
.toc a{display:block;text-decoration:none;padding:4px 0;color:var(--ink)}
.toc a:hover{color:var(--molten)}
.author-box{border:1px solid var(--line);background:#fff;padding:20px 22px;display:flex;gap:16px;align-items:center;margin-top:40px}
.author-box .av{width:48px;height:48px;border-radius:50%;background:var(--molten);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:800;flex-shrink:0}
.author-box h4{font-family:var(--display);font-weight:700;font-size:15px}
.author-box p{font-size:13px;color:var(--steel)}
article.post{max-width:760px}
article.post h2{font-family:var(--display);font-weight:740;font-size:26px;margin:42px 0 14px;font-variation-settings:'wdth' 108}
article.post p{margin-bottom:18px}
article.post table.spec{margin:20px 0 26px}

/* case studies */
.case{border:1px solid var(--line);background:#fff;display:grid}
@media(min-width:920px){.case{grid-template-columns:1.2fr .8fr}}
.case .body{padding:36px 32px}
.case .stats{border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr)}
@media(min-width:920px){.case .stats{border-top:none;border-left:1px solid var(--line);grid-template-columns:1fr}}
.case .stat{padding:24px 28px;border-bottom:1px solid var(--line)}
.case .stat:last-child{border-bottom:none}
@media(max-width:919px){.case .stat{border-bottom:none;border-right:1px solid var(--line)}.case .stat:last-child{border-right:none}}
.case .sv{font-family:var(--display);font-weight:780;font-size:28px;font-variation-settings:'wdth' 112}
.case .sk{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}
.case blockquote{font-size:17.5px;line-height:1.6;font-style:italic;margin:16px 0 12px}
.case cite{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-style:normal;color:var(--steel)}
.case + .case{margin-top:28px}

/* forms */
.rfq-form{background:#fff;border:1px solid var(--line);padding:32px 28px 36px}
.rfq-form .frow{display:grid;gap:18px;margin-bottom:18px}
@media(min-width:640px){.rfq-form .frow.two{grid-template-columns:1fr 1fr}}
label{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);display:block;margin-bottom:7px}
input,select,textarea{width:100%;font-family:var(--serif);font-size:15px;padding:12px 14px;border:1px solid var(--line);border-radius:2px;background:var(--paper);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--molten);outline-offset:-1px;border-color:var(--molten)}
.rfq-note{font-family:var(--mono);font-size:11px;color:var(--steel);margin-top:14px;line-height:1.7}
.contact-channels{display:grid;border-top:1px solid var(--line);margin-top:28px}
.chan{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
.chan .ck{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);padding-top:3px}
.chan .cv{font-family:var(--display);font-weight:650;font-size:16px}
.chan .cv a{text-decoration:none}
.chan .cv a:hover{color:var(--molten)}

/* footer */
footer{background:var(--ink);color:#AEB6B3;font-size:14px}
.foot-top{display:grid;gap:40px;padding:64px 0 48px;border-bottom:1px solid #2A2F34}
@media(min-width:900px){.foot-top{grid-template-columns:1.3fr 1fr 1fr 1fr 1fr}}
footer h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:16px}
footer ul{list-style:none}
footer li{margin-bottom:9px}
footer a{color:#AEB6B3;text-decoration:none;font-size:13.5px}
footer a:hover{color:#F0A36A}
.foot-brand .logo{color:#fff;margin-bottom:14px}
.foot-brand p{font-size:13.5px;line-height:1.7;max-width:34ch}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:22px 0;font-family:var(--mono);font-size:11px;color:#7A8288}

/* sticky actions */
.sticky-actions{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;flex-direction:column;gap:10px}
.sticky-actions a{font-family:var(--display);font-weight:680;font-size:13.5px;text-decoration:none;padding:13px 18px;border-radius:3px;box-shadow:0 6px 24px rgba(22,26,30,.18);text-align:center}
.sa-wa{background:#1FA855;color:#fff}
.sa-wa:hover{background:#178A45}
.sa-rfq{background:var(--ink);color:#fff}
.sa-rfq:hover{background:var(--molten)}

/* reveal */
.reveal{opacity:1;transform:none;transition:opacity .5s ease,transform .5s ease}
.js-anim .reveal{opacity:0;transform:translateY(14px)}
.js-anim .reveal.in{opacity:1;transform:none}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
:focus-visible{outline:2px solid var(--molten);outline-offset:2px}

/* figures (engineering-sheet illustrations) */
.fig{margin:0 0 14px}
.fig img{width:100%;height:auto;border-radius:2px}
.fig + .sec-head,.fig + .clauses{margin-top:34px}
figure.fig figcaption{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-top:10px}

/* photo + drawing pairings */
.pair{display:grid;gap:14px}
@media(min-width:760px){.pair{grid-template-columns:1fr 1fr}}
.trio{display:grid;gap:14px}
@media(min-width:680px){.trio{grid-template-columns:repeat(3,1fr)}}
.pair .fig,.trio .fig{margin:0}
.pair .fig,.trio .fig{display:flex;flex-direction:column}
.pair .fig img,.trio .fig img{width:100%;height:auto;flex:1 1 auto;object-fit:cover;min-height:0}
.pair{align-items:stretch}
.qa-photo{margin:6px 0 18px}
.qa-photo .fig{margin:0}
/* CTA band photographic texture */
.cta-band{position:relative;overflow:hidden}
.cta-band .wrap{position:relative;z-index:2}
.cta-band::before{content:"";position:absolute;inset:0;z-index:1;
  background:url("images/photo-cta-band.jpg") center/cover no-repeat;opacity:.14;
  mix-blend-mode:luminosity}

/* keep mixed photo+drawing pairs visually even */
.pair .fig img[src$=".svg"]{background:var(--paper)}
@media(min-width:760px){.pair > .fig{min-height:0}}

/* image placeholders + gallery (category/service pages) */
.gallery-grid{display:grid;gap:14px}
@media(min-width:640px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.gallery-grid{grid-template-columns:repeat(4,1fr)}}
.img-ph{position:relative;aspect-ratio:4/5;background:
  repeating-linear-gradient(45deg,var(--tint),var(--tint) 12px,#E4E8E6 12px,#E4E8E6 24px);
  border:1px solid var(--line);border-radius:3px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.img-ph-tag{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--steel);
  text-transform:uppercase;background:var(--paper);padding:6px 10px;border:1px solid var(--line);border-radius:2px;text-align:center}
.card .go{display:inline-block;margin-top:12px}

/* real photo filling a placeholder slot (drops in when file exists, onerror removes if not) */
.img-ph{position:relative}
.img-ph-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;border-radius:3px}
.img-ph .img-ph-tag{position:relative;z-index:0}