/* ===== STRATUM LOGO ===== */
.brand-logo-svg { height: 28px; width: auto; display: block; }
@media(max-width:768px){ .brand-logo-svg { height: 22px; } }
.footer-brand-logo { height: 24px; width: auto; display: block; opacity: 0.94; }

/* ===== GLOBAL SCAN LINE ===== */
.global-scan{position:fixed;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--technical-line-strong),transparent);z-index:9999;pointer-events:none;}

/* ===== HERO CANVAS ===== */
.hero-canvas-area{width:100%;max-width:520px;margin:0 auto;}
#printerCanvas{width:100%;height:auto;display:block;border-radius:12px;}
.printer-hud{display:grid;grid-template-columns:1fr 1fr;gap:6px 16px;font-family:'DM Mono',monospace;font-size:11px;color:var(--text);background:var(--field-surface);padding:12px 16px;border-radius:10px;border:1px solid var(--field-border-color);margin-top:12px;box-shadow:var(--shadow);}
.printer-hud .h-item{display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;}
.printer-hud .h-lbl{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:0;flex-shrink:0;}
.printer-hud .h-val{color:var(--text);font-weight:500;overflow:hidden;text-overflow:ellipsis;}

/* ===== LAYER VISUALIZER ===== */
.layer-viz-wrap{background:var(--panel-surface);border:1px solid var(--panel-border);border-radius:14px;padding:32px;margin-top:40px;}
.layer-viz-label{font-family:'DM Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:0;color:var(--muted);margin-bottom:24px;}
#vizCanvas{width:100%;height:320px;display:block;border-radius:8px;}
.viz-btn{display:inline-flex;align-items:center;gap:6px;margin-top:20px;padding:8px 20px;background:0;color:var(--text);font-family:'DM Mono',monospace;font-size:12px;border:1px solid var(--panel-border);border-radius:6px;cursor:pointer;transition:all .3s;}
.viz-btn:hover{border-color:var(--technical-line-strong);color:var(--text);}

/* ===== MATERIAL PREVIEW CANVAS ===== */
.material-preview-area{margin-top:24px;}
#materialCanvas{width:100%;height:200px;display:block;border-radius:8px;background:var(--field-surface);border:1px solid var(--field-border-color);}

/* ===== CALCULATOR 3D BOX ===== */
.calc-visual{display:flex;align-items:center;justify-content:center;margin-top:24px;}
#calcCanvas{width:100%;max-width:400px;height:200px;display:block;border-radius:8px;}

/* ===== CARD SCAN HOVER + FILAMENT ORNAMENT ===== */
.service-card,.glass-card,.funnel-step{position:relative;overflow:hidden;}
/* Layer ornament in top-right corner */
.service-card::before,.glass-card::before,.funnel-step::before{
  content:'';position:absolute;top:12px;right:12px;width:32px;height:28px;pointer-events:none;opacity:0.12;
  background:repeating-linear-gradient(0deg,color-mix(in srgb,var(--text) 36%,transparent) 0px,color-mix(in srgb,var(--text) 36%,transparent) 2px,transparent 2px,transparent 6px);
  mask-image:linear-gradient(135deg,rgba(0,0,0,0.6) 0%,rgba(0,0,0,0) 100%);
  -webkit-mask-image:linear-gradient(135deg,rgba(0,0,0,0.6) 0%,rgba(0,0,0,0) 100%);
  transition:opacity 0.4s;
}
.service-card:hover::before,.glass-card:hover::before,.funnel-step:hover::before{opacity:0.25;}
/* Hot nozzle dot on active layer */
.service-card::before{
  background:repeating-linear-gradient(0deg,color-mix(in srgb,var(--text) 36%,transparent) 0px,color-mix(in srgb,var(--text) 36%,transparent) 2px,transparent 2px,transparent 6px),
  radial-gradient(circle at 28px 14px,color-mix(in srgb,var(--accent) 50%,transparent) 0px,transparent 4px);
}
/* Scan line hover effect */
.service-card::after,.glass-card::after,.funnel-step::after{content:'';position:absolute;left:0;right:0;height:2px;background:var(--technical-line-strong);opacity:0;bottom:0;pointer-events:none;}
.service-card:hover::after,.glass-card:hover::after,.funnel-step:hover::after{animation:lscan 1.2s ease-out;}

/* Case cards — filament lines on image overlay */
.case-card{position:relative;overflow:hidden;}
.case-media::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:20px;pointer-events:none;
  background:repeating-linear-gradient(0deg,var(--technical-line) 0px,var(--technical-line) 1.5px,transparent 1.5px,transparent 4px);
  mask-image:linear-gradient(0deg,rgba(0,0,0,0.4) 0%,rgba(0,0,0,0) 100%);
  -webkit-mask-image:linear-gradient(0deg,rgba(0,0,0,0.4) 0%,rgba(0,0,0,0) 100%);
}

/* Section eyebrow — filament accent */
.eyebrow{position:relative;padding-left:20px;}
.eyebrow::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:12px;height:10px;
  background:repeating-linear-gradient(0deg,color-mix(in srgb,var(--accent) 50%,transparent) 0px,color-mix(in srgb,var(--accent) 50%,transparent) 1.5px,transparent 1.5px,transparent 3.5px);
}

/* FAQ summary — nozzle dot */
.faq-item summary{position:relative;padding-left:20px;}
.faq-item summary::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:8px;height:8px;border-radius:50%;
  background:color-mix(in srgb,var(--accent) 34%,transparent);
  box-shadow:0 0 6px color-mix(in srgb,var(--accent) 20%,transparent);
  transition:all 0.3s;
}
.faq-item[open] summary::before{background:color-mix(in srgb,var(--accent) 62%,transparent);box-shadow:0 0 10px color-mix(in srgb,var(--accent) 32%,transparent);}

@keyframes lscan{0%{bottom:0;opacity:.5}100%{bottom:100%;opacity:0}}

/* ===== MOBILE ===== */
@media(max-width:768px){
  .hero-canvas-area{max-width:340px;}
  .layer-viz-wrap{padding:16px;}
  #vizCanvas{height:220px;}
  .printer-hud{font-size:10px;gap:4px 10px;padding:10px 12px;}
  .printer-hud .h-lbl{font-size:8px;}
  #calcCanvas{height:160px;}
  #materialCanvas{height:160px;}
}

/* ===== FILE UPLOAD PROGRESS BAR (layer animation) ===== */
.upload-zone{position:relative;margin-top:8px;display:grid;gap:10px;}
.upload-build-plate{position:relative;min-height:124px;overflow:hidden;border:1px solid var(--field-border-color);border-radius:14px;background:var(--field-surface);}
.build-plate-grid{position:absolute;inset:0;background-image:linear-gradient(var(--field-border-color) 1px,transparent 1px),linear-gradient(90deg,var(--field-border-color) 1px,transparent 1px);background-size:22px 22px;opacity:.5;}
.build-part-outline{position:absolute;left:50%;bottom:24px;width:118px;height:48px;border:1px dashed color-mix(in srgb,var(--accent) 60%,transparent);border-radius:12px 12px 7px 7px;transform:translateX(-50%);opacity:.38;}
.build-layer-stack{position:absolute;left:50%;bottom:28px;width:104px;height:0;transform:translateX(-50%);border-radius:7px 7px 3px 3px;background:repeating-linear-gradient(0deg,color-mix(in srgb,var(--accent) 54%,transparent) 0 2px,transparent 2px 5px);transition:height .22s ease;}
.build-nozzle{position:absolute;left:calc(50% - 7px);top:18px;width:14px;height:18px;background:var(--field-text);clip-path:polygon(20% 0,80% 0,80% 55%,58% 55%,50% 100%,42% 55%,20% 55%);opacity:.68;transform:translateX(-44px);transition:transform .22s ease;}
.upload-build-plate.is-printing .build-nozzle{animation:buildNozzleSweep 1.35s ease-in-out infinite alternate;}
.upload-build-plate.is-empty .build-part-outline,.upload-build-plate.is-empty .build-layer-stack,.upload-build-plate.is-empty .build-nozzle{opacity:.22;}
.upload-progress{display:none;border-radius:8px;overflow:hidden;background:var(--panel-surface);border:1px solid var(--panel-border);padding:2px;}
.upload-progress.is-active{display:block;}
.upload-bar{height:22px;border-radius:6px;position:relative;overflow:hidden;width:0;transition:width 0.3s ease-out;}
/* Layer lines inside the bar */
.upload-bar::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,
    color-mix(in srgb,var(--text) 8%,transparent) 0px,color-mix(in srgb,var(--text) 8%,transparent) 2px,
    transparent 2px,transparent 5px
  );
  animation:barFill 0.6s linear infinite;
}
@keyframes barFill{0%{background-position:0 0}100%{background-position:20px 0}}
@keyframes buildNozzleSweep{from{transform:translateX(-48px)}to{transform:translateX(34px)}}
/* Production progress: sand accent into muted metal */
.upload-bar-inner{
  position:absolute;inset:0;border-radius:6px;
  background:linear-gradient(90deg,
    color-mix(in srgb,var(--accent) 72%,transparent) 0%,
    color-mix(in srgb,var(--accent) 58%,transparent) 42%,
    color-mix(in srgb,var(--metal-accent) 44%,transparent) 100%
  );
}
/* Nozzle dot at leading edge */
.upload-bar::after{
  content:'';position:absolute;right:-1px;top:50%;transform:translateY(-50%);
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 8px color-mix(in srgb,var(--accent) 52%,transparent),0 0 16px color-mix(in srgb,var(--accent) 22%,transparent);
  transition:opacity 0.3s;
}
.upload-info{display:flex;justify-content:space-between;align-items:center;font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);}
.upload-info .u-files{color:var(--text);}
.upload-info .u-size{color:var(--accent);}

/* ===== FORM SUBMIT ANIMATION ===== */
.form-printing-overlay{
  display:none;position:absolute;inset:0;z-index:10;
  background:color-mix(in srgb,var(--bg-1) 92%,transparent);backdrop-filter:blur(8px);
  border-radius:inherit;
  flex-direction:column;align-items:center;justify-content:center;gap:16px;
}
.form-printing-overlay.is-active{display:flex;}
.form-printing-overlay canvas{border-radius:8px;}
.form-printing-label{
  font-family:'DM Mono',monospace;font-size:12px;
  color:var(--muted);letter-spacing:0;text-transform:uppercase;
}
.form-printing-progress{
  width:200px;height:3px;border-radius:2px;background:var(--panel-surface);overflow:hidden;
}
.form-printing-fill{
  height:100%;width:0;border-radius:2px;
  background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 70%,transparent),color-mix(in srgb,var(--metal-accent) 44%,transparent));
  transition:width 0.15s linear;
}
/* Lead form needs relative positioning for overlay */
.lead-form{position:relative;}
.form-success-msg{
  font-family:'DM Mono',monospace;font-size:13px;
  color:var(--accent);text-align:center;margin-top:4px;
}

/* ===== NOSCRIPT FALLBACK ===== */
.noscript-hero-fallback{
  width:100%;max-width:520px;margin:0 auto;padding:40px 0;
  text-align:center;
}
.noscript-hero-fallback .ns-layers{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:40px 0;
}
.noscript-hero-fallback .ns-layer{
  height:4px;border-radius:2px;
  background:linear-gradient(90deg,color-mix(in srgb,var(--metal-accent) 28%,transparent),color-mix(in srgb,var(--accent) 38%,transparent));
}
.noscript-hero-fallback .ns-label{
  font-family:'DM Mono',monospace;font-size:11px;
  color:var(--muted);margin-top:16px;
}

@media (prefers-reduced-motion: reduce){
  .service-card:hover::after,.glass-card:hover::after,.funnel-step:hover::after{animation:none;}
  .upload-bar::before{animation:none;}
}