/* site.css: multi-page components shared by ALL themes. Loaded after style.css / style-b.css / style-c.css.
   Uses each theme's CSS variables; theme-specific tweaks are scoped with html[data-theme=..]. */
:root{--dd-bg:rgba(30,41,54,.97);--dd-ink:#eef3f8;--dd-muted:#b9c7d6;--dd-hover:rgba(255,255,255,.07);--dd-line:rgba(255,255,255,.1)}
html[data-theme=b]{--dd-bg:#fff;--dd-ink:#2f3e50;--dd-muted:#4d5d70;--dd-hover:#eef3f8;--dd-line:#d5dde6}
html[data-theme=c]{--dd-bg:rgba(31,39,51,.97);--dd-ink:#eef4fa;--dd-muted:#bccad9;--dd-hover:rgba(143,184,222,.1);--dd-line:rgba(173,201,230,.18)}
html[data-theme=d]{--dd-bg:rgba(12,11,18,.97);--dd-ink:#f1edf7;--dd-muted:#b9b2c9;--dd-hover:rgba(47,140,255,.1);--dd-line:rgba(47,140,255,.22)}

/* ---------- Header menu with dropdowns ---------- */
.menu-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:1.5rem}
.menu-list>li{position:relative}
.dd-btn{display:inline-flex;align-items:center;gap:.35rem;background:none;border:0;padding:0;cursor:pointer;font:500 1rem var(--font);color:var(--hero-muted)}
html[data-theme=b] .dd-btn{color:var(--muted)}
.dd-btn:hover,.has-dd.open>.dd-btn,.has-dd.is-active>.dd-btn{color:var(--hero-ink)}
html[data-theme=b] .dd-btn:hover,html[data-theme=b] .has-dd.open>.dd-btn{color:var(--ink)}
.dd-btn svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.8;transition:transform .2s}
.has-dd.open>.dd-btn svg{transform:rotate(180deg)}
.menu a[aria-current=page]:not(.btn){color:var(--hero-ink)}
html[data-theme=b] .menu a[aria-current=page]:not(.btn){color:var(--ink)}
.menu a[aria-current=page]:not(.btn)::after{right:0}
.dd{list-style:none;margin:0;padding:.5rem;position:absolute;top:calc(100% + 14px);left:50%;min-width:300px;transform:translate(-50%,6px);
  background:var(--dd-bg);border:1px solid var(--dd-line);border-radius:14px;box-shadow:0 24px 50px -20px rgba(15,23,32,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
.dd::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}
.has-dd.open>.dd{opacity:1;visibility:visible;transform:translate(-50%,0)}
@media (hover:hover) and (min-width:861px){.has-dd:hover>.dd{opacity:1;visibility:visible;transform:translate(-50%,0)}}
.menu .dd a{display:grid;gap:.1rem;padding:.65rem .8rem;border-radius:10px;color:var(--dd-ink)}
.menu .dd a::after{display:none}
.menu .dd a:hover,.menu .dd a[aria-current=page]{background:var(--dd-hover);color:var(--dd-ink)}
.dd strong{font-weight:600;font-size:.96rem}
.dd small{color:var(--dd-muted);font-size:.82rem;line-height:1.35}
.menu .btn[aria-current=page]{box-shadow:0 0 0 2px var(--accent)}
@media (max-width:1060px) and (min-width:861px){.menu-list{gap:1.05rem}.menu-list .btn-sm{padding:.5rem .8rem}}
@media (max-width:860px){
  .menu{max-height:calc(100dvh - 70px);overflow-y:auto;overscroll-behavior:contain}
  .menu-list{flex-direction:column;align-items:stretch;gap:0}
  .menu-list>li>a:not(.btn),.dd-btn{display:flex;width:100%;justify-content:space-between;padding:.9rem 0;border-bottom:1px solid var(--dd-line);color:var(--dd-ink);font-size:1.05rem}
  html[data-theme=b] .menu-list>li>a:not(.btn),html[data-theme=b] .dd-btn{color:var(--ink)}
  .dd{position:static;transform:none;min-width:0;background:none;border:0;box-shadow:none;backdrop-filter:none;padding:0 0 0 .6rem;
    opacity:1;visibility:visible;display:none}
  .dd::before{display:none}
  .has-dd.open>.dd{display:block;transform:none}
  .menu .dd a{padding:.6rem .4rem;border-bottom:0;border-radius:8px}
  html[data-theme=b] .menu .dd a{color:var(--ink)}
  .menu-cta .btn{display:flex;margin-top:1rem;justify-content:center}
  .dd small{display:none}
}

/* ---------- Footer (columns built from the same nav list) ---------- */
.foot-grid{display:grid;grid-template-columns:1.1fr 2fr;gap:2.5rem;align-items:start}
.foot-brand p{margin:.8rem 0 0;max-width:22rem}
.foot-nav>ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.6rem 1.5rem}
.foot-nav ul ul{list-style:none;margin:.4rem 0 0;padding:0;display:grid;gap:.4rem}
.foot-nav>ul>li:has(ul){grid-row:span 4}
.foot-nav a{text-decoration:none}.foot-nav a:hover{text-decoration:underline}
.foot-h{font:600 .78rem var(--mono);letter-spacing:.1em;text-transform:uppercase;opacity:.85}
.foot-copy{margin:2rem 0 0 !important;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.12)}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr}.foot-nav>ul{grid-template-columns:repeat(2,minmax(0,1fr))}.foot-nav>ul>li:has(ul){grid-row:auto}}

/* ---------- Generic page building blocks ---------- */
.lead-dark{color:var(--muted);font-size:1.12rem;max-width:44rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.split.rev>:first-child{order:2}
.split p{color:var(--muted)}
.split img,.media img{border-radius:var(--r)}
.media{margin:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--surface)}
.media figcaption{padding:.7rem 1rem;font-size:.9rem;color:var(--muted)}
.cards-2{grid-template-columns:repeat(2,1fr)}
.card .more{display:inline-block;margin-top:1rem;font-weight:600;text-decoration:none}
.practice{display:flex;flex-direction:column}
.practice img{border-radius:12px;margin:-.4rem 0 1.2rem;aspect-ratio:16/9;object-fit:cover;width:100%}
.practice ul{margin:1rem 0 0;padding-left:1.1rem;color:var(--muted)}
.practice .btn{align-self:flex-start;margin-top:1.4rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:1.2rem 0 0}
.chips li{padding:.4rem .85rem;border-radius:999px;font:500 .88rem var(--mono);background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.deliv{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem 2rem;margin-top:2rem}
.steps-4{grid-template-columns:repeat(4,1fr)}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:0}
.facts div{padding:1.1rem 1.2rem;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.facts dt{font:600 .75rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.facts dd{margin:.25rem 0 0;font-weight:700;font-size:1.05rem}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.prose{max-width:46rem}.prose p,.prose li{color:var(--muted)}
.note{font-size:.9rem;color:var(--muted)}
.sec .cards+.note{margin-top:1.4rem}

/* Work cards */
.work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem;margin-top:2.4rem}
.work-grid-sm{grid-template-columns:repeat(4,1fr)}
.wcard{position:relative;display:flex;flex-direction:column;border-radius:var(--r);overflow:hidden;background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow);text-decoration:none;color:var(--ink);transition:transform .25s,border-color .25s}
.wcard:hover{transform:translateY(-4px);border-color:var(--accent)}
.wimg{display:block;aspect-ratio:16/10;overflow:hidden;background:#fff}
.wimg img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.wcard:hover .wimg img{transform:scale(1.04)}
.wbody{display:grid;gap:.45rem;padding:1.3rem 1.4rem 1.5rem}
.wbody strong{font-size:1.2rem;line-height:1.25}
.wtag{font:600 .74rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--brand-d)}
html[data-theme=c] .wtag{color:var(--glow)}
.wsum{color:var(--muted);font-size:.95rem}
.wmore{font-weight:600;color:var(--brand-d);margin-top:.3rem}
html[data-theme=c] .wmore{color:var(--glow)}
.work-grid-sm .wsum{display:none}.work-grid-sm .wbody strong{font-size:1.02rem}

/* Home hero visual: browser + CAD frame */
.duo{position:relative;min-height:420px}
.duo .browser{width:86%}
.duo .cadframe{position:absolute;right:0;bottom:-10px;width:58%;border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.25);
  box-shadow:0 30px 60px -25px rgba(0,0,0,.6);background:#fff}
.cadframe .bar{background:#2f3e50}
.cadframe .bar span{color:#dbe5ef}

/* FAQ */
.faq{display:grid;gap:.8rem;max-width:52rem;margin-top:2rem}
.faq details{border-radius:12px;background:var(--surface);border:1px solid var(--line);padding:0 1.2rem}
.faq summary{cursor:pointer;list-style:none;padding:1rem 2rem 1rem 0;font-weight:650;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font:600 1.4rem var(--mono);color:var(--brand-d)}
html[data-theme=c] .faq summary::after{color:var(--glow)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:0 0 1rem;color:var(--muted)}
.faq h2{margin-top:2.5rem;font-size:1.4rem}

/* CTA band */
.cta-band{padding:clamp(56px,8vw,90px) 0}
.cta-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem}
.cta-in h2{margin:0 0 .3rem}.cta-in p{margin:0}

@media (max-width:1024px){
  .work-grid-sm{grid-template-columns:repeat(2,1fr)}
  .facts{grid-template-columns:repeat(2,1fr)}
  .steps-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .split,.split.rev{grid-template-columns:1fr;gap:2rem}.split.rev>:first-child{order:0}
  .work-grid,.cards-2,.deliv{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .duo{min-height:0}.duo .browser{width:100%}.duo .cadframe{position:relative;width:70%;margin:-16% 0 0 auto;bottom:auto}
}
@media (max-width:560px){
  .work-grid-sm,.facts,.steps-4,.gallery{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){.wcard:hover,.wcard:hover .wimg img{transform:none}}
/* 3D printing tile art + 3-up practice grid */
.cards-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:1100px){.cards-3{grid-template-columns:1fr 1fr}}
@media (max-width:700px){.cards-3{grid-template-columns:1fr}}
.print-art{border-radius:12px;margin:-.4rem 0 1.2rem;aspect-ratio:16/9;display:grid;place-items:center;background:linear-gradient(135deg,rgba(110,140,170,.18),rgba(110,140,170,.04));border:1px solid rgba(140,160,190,.25);overflow:hidden}
.print-art svg{width:78%;height:auto;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;color:var(--accent,#7fa2c8)}
.print-art .pa-layers{stroke-dasharray:400;stroke-dashoffset:400;animation:paLayer 4s ease-in-out infinite}
.print-art .pa-head{animation:paHead 2s ease-in-out infinite alternate}
@keyframes paLayer{0%{stroke-dashoffset:400}70%,100%{stroke-dashoffset:0}}
@keyframes paHead{from{transform:translateX(-22px)}to{transform:translateX(22px)}}
@media (prefers-reduced-motion:reduce){.print-art .pa-layers,.print-art .pa-head{animation:none;stroke-dashoffset:0}}
/* Local SEO additions */
.area-card{text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:.4rem}
.area-card h3{margin:0}
.areas-mini{font-size:.86rem;margin:.9rem 0 0;color:var(--muted)}
.foot-areas{line-height:1.7}
.local-list{grid-template-columns:1fr 1fr;column-gap:2rem}
@media (max-width:700px){.local-list{grid-template-columns:1fr}}