/* ===== JC Stage — Design tokens (see DESIGN.md) ===== */
:root{
  --canvas:#F7F9FB; --surface:#FFFFFF; --ink:#16202B; --steel:#5B6B7B;
  --whisper:rgba(22,32,43,0.08); --line:rgba(22,32,43,0.12);
  --accent:#1E8FD6; --accent-deep:#1565A0; --signal:#E8A33D;
  --radius:0.75rem; --radius-lg:1rem; --shadow:0 10px 30px -18px rgba(22,32,43,.35);
  --maxw:1400px; --ease:cubic-bezier(.22,1,.36,1);
  --font:'Outfit','Geist',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--canvas);color:var(--ink);
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.2rem,4vw,2.5rem)}
.mono{font-family:var(--mono)}
.muted{color:var(--steel)}
.accent{color:var(--accent)}
.section{padding:clamp(3.5rem,8vw,6rem) 0}
.section-head{margin-bottom:clamp(2rem,4vw,3rem)}
.eyebrow{font-family:var(--mono);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:.7rem}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:700;letter-spacing:-.02em;line-height:1.05}
h2{font-size:clamp(1.7rem,3.5vw,2.6rem);font-weight:700;letter-spacing:-.02em;line-height:1.1}
h3{font-size:1.25rem;font-weight:600}
p{color:var(--steel);max-width:65ch}
.lead{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--steel)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.95rem;
  padding:.8rem 1.5rem;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;
  transition:transform .15s var(--ease),background .2s,box-shadow .2s;font-family:var(--font)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -10px rgba(30,143,214,.7)}
.btn-primary:hover{background:var(--accent-deep)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,249,251,.85);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--whisper)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.15rem;letter-spacing:-.01em}
.brand img{height:34px;width:auto}
.brand small{display:block;font-family:var(--mono);font-size:.7rem;color:var(--steel);font-weight:500;letter-spacing:.1em}
.nav-links{display:flex;gap:1.6rem;align-items:center}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--ink);position:relative;padding:.3rem 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--accent);transition:width .25s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{margin-left:.6rem}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:.5rem;padding:.5rem .7rem;cursor:pointer;font-size:1.2rem}

/* ===== Hero (split, asymmetric) ===== */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center;
  padding:clamp(3rem,7vw,6rem) 0}
.hero-copy .badge{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.78rem;
  color:var(--accent);background:rgba(30,143,214,.1);padding:.35rem .8rem;border-radius:2rem;margin-bottom:1.2rem}
.hero h1{margin-bottom:1.2rem}
.hero p{font-size:1.1rem;margin-bottom:2rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-media{position:relative}
.hero-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-stat{position:absolute;left:-1rem;bottom:-1rem;background:var(--surface);border:1px solid var(--whisper);
  border-radius:var(--radius);padding:1rem 1.3rem;box-shadow:var(--shadow)}
.hero-stat b{font-size:1.6rem;color:var(--accent);font-family:var(--mono)}
.hero-stat span{display:block;font-size:.8rem;color:var(--steel)}

/* ===== Stats band ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;border-top:1px solid var(--whisper);border-bottom:1px solid var(--whisper);padding:2.5rem 0}
.stat b{display:block;font-size:clamp(1.8rem,3vw,2.6rem);font-family:var(--mono);color:var(--ink);line-height:1}
.stat span{font-size:.85rem;color:var(--steel)}

/* ===== Category / product grid ===== */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.cat-card{background:var(--surface);border:1px solid var(--whisper);border-radius:var(--radius-lg);
  padding:1.8rem;transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;display:flex;flex-direction:column;gap:.6rem}
.cat-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow)}
.cat-card .num{font-family:var(--mono);color:var(--accent);font-size:.8rem}
.cat-card h3{font-size:1.3rem}
.cat-card .count{margin-top:auto;font-size:.85rem;color:var(--steel)}

.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.4rem}
.prod-card{background:var(--surface);border:1px solid var(--whisper);border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.prod-card a{display:block}
.prod-thumb{aspect-ratio:1/1;background:var(--canvas);overflow:hidden;position:relative}
.prod-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.prod-card:hover .prod-thumb img{transform:scale(1.05)}
.prod-meta{padding:1rem 1.1rem 1.2rem}
.prod-meta .model{font-family:var(--mono);font-size:.95rem;color:var(--ink);font-weight:600}
.prod-meta .cat{font-size:.8rem;color:var(--steel);margin-top:.2rem}
.tag{display:inline-block;font-family:var(--mono);font-size:.7rem;background:rgba(30,143,214,.1);color:var(--accent);
  padding:.2rem .55rem;border-radius:1rem;margin-top:.6rem}

/* ===== Zig-zag feature rows ===== */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;margin-bottom:clamp(2.5rem,5vw,4rem)}
.feature:nth-child(even) .feature-media{order:-1}
.feature-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.feature h3{margin-bottom:.8rem;font-size:1.5rem}
.feature ul{list-style:none;margin-top:1rem;display:grid;gap:.6rem}
.feature li{display:flex;gap:.6rem;align-items:flex-start;color:var(--steel)}
.feature li::before{content:"";flex:0 0 8px;height:8px;border-radius:50%;background:var(--accent);margin-top:.55rem}

/* ===== Cert / gallery ===== */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.2rem}
.gallery figure{background:var(--surface);border:1px solid var(--whisper);border-radius:var(--radius);overflow:hidden}
.gallery img{aspect-ratio:4/3;object-fit:contain;background:#fff;padding:.5rem}
.gallery figcaption{padding:.7rem 1rem;font-size:.85rem;color:var(--steel);font-family:var(--mono)}

/* ===== Product detail ===== */
.pd{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.pd-gallery .main{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--whisper);aspect-ratio:1/1;background:var(--canvas);position:relative}
.pd-gallery .main img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:flex;gap:.6rem;margin-top:.8rem;flex-wrap:wrap}
.pd-thumbs img{width:72px;height:72px;object-fit:cover;border-radius:.5rem;border:1px solid var(--whisper);cursor:pointer;opacity:.7;transition:opacity .2s,border-color .2s}
.pd-thumbs img.active,.pd-thumbs img:hover{opacity:1;border-color:var(--accent)}
.pd-info h1{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:.4rem}
.pd-info .model{font-family:var(--mono);color:var(--accent);font-size:1rem;margin-bottom:1.2rem}
.pd-info .desc{margin-bottom:1.5rem}
.spec-table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.95rem}
.spec-table td{padding:.7rem .9rem;border-bottom:1px solid var(--whisper)}
.spec-table td:first-child{color:var(--steel);width:42%}
.spec-table td:last-child{font-family:var(--mono);text-align:right;color:var(--ink)}
.pd-actions{display:flex;gap:1rem;flex-wrap:wrap;margin:1.5rem 0}
.video-slot{margin-top:1.5rem;border:2px dashed var(--line);border-radius:var(--radius);padding:2rem;text-align:center;color:var(--steel);font-family:var(--mono);font-size:.85rem}
.manual-slot{margin-top:1.5rem}

/* ===== Shared material & construction block (all products) ===== */
.pd-material{margin:1.6rem 0;border:1px solid var(--whisper);border-radius:var(--radius-lg);
  padding:1.4rem 1.5rem;background:var(--surface);box-shadow:0 6px 22px -18px rgba(22,32,43,.4)}
.pd-material h3{font-size:1.05rem;margin-bottom:1rem;color:var(--ink)}
.mat-list{list-style:none;display:grid;gap:.7rem}
.mat-list li{display:grid;grid-template-columns:42% 1fr;gap:1rem;align-items:baseline;font-size:.92rem}
.mat-list .mat-k{color:var(--steel);font-family:var(--mono);font-size:.82rem;letter-spacing:.02em}
.mat-list .mat-v{color:var(--ink);font-weight:500}
@media (max-width:560px){.mat-list li{grid-template-columns:1fr;gap:.15rem}.mat-list .mat-v{font-size:.95rem}}

/* ===== Forms ===== */
.form-grid{display:grid;gap:1.2rem;max-width:620px}
.field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:.4rem}
.field input,.field textarea,.field select{width:100%;padding:.8rem 1rem;border:1px solid var(--line);
  border-radius:var(--radius);font-family:var(--font);font-size:.95rem;background:var(--surface);color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(30,143,214,.15)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:.85rem;color:var(--steel)}
.form-status{padding:.9rem 1.2rem;border-radius:var(--radius);font-size:.9rem;margin-top:1rem;display:none}
.form-status.ok{display:block;background:rgba(30,143,214,.12);color:var(--accent-deep)}
.form-status.err{display:block;background:rgba(232,90,61,.12);color:#c0392b}

/* ===== Contact cards ===== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem;margin-bottom:2.5rem}
.contact-card{background:var(--surface);border:1px solid var(--whisper);border-radius:var(--radius-lg);padding:1.5rem}
.contact-card .k{font-family:var(--mono);font-size:.75rem;color:var(--accent);text-transform:uppercase;letter-spacing:.1em}
.contact-card .v{font-size:1.05rem;font-weight:600;margin-top:.4rem;word-break:break-word}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#cdd6e0;padding:clamp(3rem,6vw,4.5rem) 0 2rem;margin-top:3rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:1rem;font-weight:600}
.site-footer a{color:#cdd6e0;font-size:.92rem;display:block;padding:.25rem 0;transition:color .2s}
.site-footer a:hover{color:var(--accent)}
.footer-brand img{height:38px;filter:brightness(0) invert(1);margin-bottom:1rem}
.footer-brand p{color:#9fb0c0;font-size:.9rem;max-width:36ch}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:2.5rem;padding-top:1.5rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;font-size:.82rem;color:#8a9bac}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ===== Responsive ===== */
@media (max-width:980px){
  .hero,.pd,.feature,.stats{grid-template-columns:1fr}
  .feature:nth-child(even) .feature-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:2rem 1rem}
}
@media (max-width:720px){
  .nav-links{position:fixed;top:72px;right:0;left:0;background:var(--canvas);flex-direction:column;
    gap:0;padding:1rem 1.5rem 1.5rem;border-bottom:1px solid var(--whisper);transform:translateY(-150%);
    transition:transform .3s var(--ease);box-shadow:var(--shadow)}
  .nav-links.open{transform:none}
  .nav-links a{padding:.8rem 0;border-bottom:1px solid var(--whisper);width:100%}
  .nav-cta{margin:.6rem 0 0}
  .menu-toggle{display:block}
  .footer-grid{grid-template-columns:1fr}
}
.empty-note{background:rgba(232,163,61,.1);border:1px solid rgba(232,163,61,.4);color:#9a6b1e;
  border-radius:var(--radius);padding:1rem 1.2rem;font-size:.9rem}
/* category filter chips */
.cat-filter{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem}
.chip{font-family:var(--font);font-size:.88rem;font-weight:500;padding:.5rem 1rem;border-radius:2rem;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.chip .mono{opacity:.7;font-size:.8rem}

/* ===== Long-form prose (About) ===== */
.prose{max-width:72ch}
.prose p{margin-bottom:1.1rem;font-size:1.05rem}
.prose p:last-child{margin-bottom:0}
.prose em{font-style:normal;color:var(--accent);font-weight:600}

/* ===== Quote block (founder's words) ===== */
.quote-block{background:var(--surface);border:1px solid var(--whisper);border-left:4px solid var(--accent);
  border-radius:var(--radius-lg);padding:clamp(1.8rem,4vw,3rem)}
.quote-block blockquote{font-size:clamp(1.15rem,2.4vw,1.6rem);line-height:1.5;font-weight:500;color:var(--ink)}
.quote-block blockquote em{font-style:normal;color:var(--accent)}
.quote-by{margin-top:1.2rem;font-family:var(--mono);font-size:.85rem;color:var(--steel)}

/* ===== Certificate placeholder (no image yet) ===== */
.cert-placeholder{aspect-ratio:4/3;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.4rem;background:var(--canvas);color:var(--steel);font-weight:600;text-align:center;padding:1rem}
.cert-placeholder span{font-family:var(--mono);font-size:.72rem;font-weight:500;opacity:.75}

/* ===== Map embed ===== */
.map-wrap{box-shadow:var(--shadow);border-radius:var(--radius-lg);overflow:hidden}

/* ===== Product dimension drawings ===== */
.pd-dims{margin-top:2.5rem;border-top:1px solid var(--whisper);padding-top:1.8rem}
.pd-dims h3{font-size:1.1rem;margin-bottom:1rem;color:var(--ink)}
.dims-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.2rem}
.dims-grid figure{background:var(--surface);border:1px solid var(--whisper);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column}
.dims-grid img{width:100%;height:auto;display:block;background:#fff}
.dims-grid figcaption{padding:.7rem .9rem;font-size:.82rem;color:var(--steel);border-top:1px solid var(--whisper)}

/* ===== Coming-soon category card ===== */
.coming-soon{border-style:dashed}
.coming-soon .cs-inner{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;
  padding:1.6rem 1.4rem;background:linear-gradient(135deg,var(--canvas),var(--surface));min-height:200px}
.coming-soon .cs-rule{width:42px;height:3px;background:var(--accent);margin-bottom:1rem;border-radius:2px}
.coming-soon .model{font-family:var(--mono);font-weight:600;color:var(--ink);font-size:1.05rem}
.coming-soon .cat{color:var(--accent);font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin:.3rem 0 .8rem}
.coming-soon .cs-note{color:var(--steel);font-size:.88rem;line-height:1.55;margin:0}