/* ============================================================================
   EMERSION MEDICAL — site styles
   Built on the shared Emersion design system (ds-foundations.css tokens +
   ds-components.css). OpenAI-style: black-on-white, one blue accent (#1E60E4),
   #E5E7EB hairlines, pill buttons, Geist. All values reference design-system
   tokens via var(--…) so the palette / type scale never drifts.
   ============================================================================ */

/* ---------------------------------------------------------------- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  font-weight: var(--weight-regular);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: var(--weight-medium); color: var(--fg); text-wrap: balance; }
p { margin: 0; }
ul { margin: 0; }

/* --------------------------------------------------------------- Layout --- */
.shell { max-width: var(--max-content); margin: 0 auto; padding: 0 40px; }

section { padding: 64px 0; }                             /* 8-grid rhythm (was 88px — too airy) */
section.soft { background: var(--bg-subtle); }          /* light gray feature bg   */
section.tight { padding: 48px 0; }
section.roomy { padding: 96px 0; }                       /* opt-in for a single feature/CTA */

/* full-width hairline between stacked sections */
.rule { border: 0; height: 1px; background: var(--border); }
.shell > .rule { width: 100%; }

/* ---------------------------------------------------------------- Type ---- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--text-overline); line-height: var(--lh-overline);
  letter-spacing: var(--ls-overline); text-transform: uppercase;
  font-weight: var(--weight-medium); color: var(--fg-secondary); margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--color-accent);
}
.eyebrow.plain::before { display: none; }

h1 { font-size: var(--text-h1); line-height: var(--lh-h1); letter-spacing: var(--ls-h1); }
h2 { font-size: var(--text-h2); line-height: var(--lh-h2); letter-spacing: var(--ls-h2); }
h3 { font-size: var(--text-h3); line-height: var(--lh-h3); letter-spacing: var(--ls-h3); }
h4 { font-size: var(--text-h4); line-height: var(--lh-h4); letter-spacing: var(--ls-h4); }

.lead { font-size: var(--text-lead); line-height: var(--lh-lead); letter-spacing: var(--ls-lead);
  color: var(--fg-secondary); max-width: 60ch; }
.muted { color: var(--fg-secondary); }
.note { font-size: var(--text-sm); color: var(--fg-muted); }

.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-top: 16px; }
.section-head .lead, .section-head .muted { margin-top: 16px; }

/* -------------------------------------------------------------- Buttons --- */
/* Mirrors ds-components .em-btn exactly (pill, 44px, token colors). */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-size: var(--text-sm); font-weight: var(--weight-medium);
  letter-spacing: -0.01em; line-height: 1; white-space: nowrap; cursor: pointer;
  height: 44px; padding: 0 20px; border-radius: var(--radius-pill);
  border: 1px solid transparent; background: none; color: inherit;
  transition: opacity var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.btn-lg { height: 52px; padding: 0 28px; font-size: var(--text-body); }
.btn-sm { height: 36px; padding: 0 14px; font-size: var(--text-caption); }

.btn-primary { background: var(--color-black); color: var(--color-white); }
.btn-primary:hover { opacity: 0.86; }
.btn-secondary { background: var(--bg-elevated); color: var(--fg); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-subtle); }
.btn-ghost { background: transparent; color: var(--fg); }
.btn-ghost:hover { background: var(--bg-subtle); }
/* on a gray feature band, ghost gets a hairline so it reads as a button */
.soft .btn-ghost, .feature .btn-ghost { border-color: var(--border); background: var(--bg-elevated); }

.arrow-link {
  display: inline-flex; align-items: center; gap: 6px; color: var(--color-accent);
  font-size: var(--text-sm); font-weight: var(--weight-medium); letter-spacing: -0.01em;
}
.arrow-link::after { content: "\2192"; font-family: var(--font-mono); }
.arrow-link:hover { opacity: 0.7; }

/* ------------------------------------------------------------------ Nav --- */
.nav { position: fixed; top: 12px; left: 50%; transform: translateX(-50%); z-index: 50;
  width: min(1220px, calc(100% - 20px)); height: var(--header-height);
  background: rgba(255,255,255,0.88); -webkit-backdrop-filter: saturate(160%) blur(18px);
  backdrop-filter: saturate(160%) blur(18px); border: 1px solid var(--border);
  border-radius: var(--radius-pill); box-shadow: 0 10px 32px rgba(0,0,0,0.07); }
.nav-inner { height: var(--header-height); display: flex; align-items: center; justify-content: space-between;
  max-width: none; padding: 0 10px 0 22px; gap: 18px; }
.brand { margin-right: auto; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { height: 26px; width: auto; display: block; flex: 0 0 auto; }
.site-footer .about .brand-logo { height: 30px; }
.brand .mark { width: 24px; height: 24px; border-radius: 6px; flex: 0 0 auto; }
.brand .wordmark { display: flex; flex-direction: column; line-height: 1; }
.brand .wordmark b { font-weight: var(--weight-medium); font-size: 16px; letter-spacing: -0.02em; color: var(--fg); }
.brand .wordmark small { font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-muted); margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 4px; min-width: 0; }
.nav-links a:not(.btn) {
  font-size: 14px; font-weight: var(--weight-medium); letter-spacing: -0.01em; color: var(--fg-secondary);
  padding: 6px 12px; border-radius: 8px; white-space: nowrap; transition: color var(--dur-fast), background var(--dur-fast);
}
.nav-links a:not(.btn):hover { color: var(--fg); background: var(--bg-inset); }
.nav-links a.active { color: var(--fg); background: var(--bg-inset); }
.nav-cta { display: flex; align-items: center; gap: 8px; }
.nav-toggle { display: none; }

/* ----------------------------------------------------------------- Hero --- */
.hero { padding: 96px 0 72px; }
.hero h1 { font-size: clamp(44px, 7.5vw, 92px); line-height: 0.98; letter-spacing: -0.03em; max-width: 17ch; }
.hero .lead { margin-top: 26px; font-size: 21px; max-width: 58ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-media { margin-top: 64px; }

.trust { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--text-caption); font-weight: var(--weight-medium); color: var(--fg-secondary);
  padding: 6px 12px; border: 1px solid var(--border); border-radius: var(--radius-pill); background: var(--bg-elevated);
}
.chip .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--color-accent); }

/* large rounded media placeholder */
.media {
  border-radius: var(--radius-2xl); background: var(--bg-subtle); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; min-height: 320px;
  font-family: var(--font-mono); font-size: 13px; color: var(--fg-muted);
}

/* --------------------------------------------------------------- Split ---- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split.lean { grid-template-columns: 1fr 0.9fr; }
.split.flip > :first-child { order: 2; }   /* copy on the right (alternating layout) */
.split h2 { margin-top: 16px; }
.split p { margin-top: 22px; }
.split .btn, .split .arrow-link { margin-top: 28px; }

/* --------------------------------------------------------- Spec panel ----- */
/* mono key/value card — matches template SpecRow + em-card */
.spec { border: 1px solid var(--border); border-radius: var(--radius-xl); background: var(--bg-elevated);
  padding: 6px 22px 14px; }
.spec.head-card { padding: 0; overflow: hidden; }
.spec .spec-head { display: flex; align-items: center; justify-content: space-between;
  padding: 16px 22px; border-bottom: 1px solid var(--border); }
.spec .spec-head b { font-weight: var(--weight-medium); font-size: 14px; letter-spacing: -0.01em; }
.spec.head-card .rows { padding: 6px 22px 12px; }
.spec .row { display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 13px 0; border-bottom: 1px solid var(--border); }
.spec .row:last-child { border-bottom: 0; }
.spec .k { font-family: var(--font-mono); font-size: 13px; color: var(--fg-muted); letter-spacing: 0; white-space: nowrap; }
.spec .v { font-family: var(--font-mono); font-size: 13px; color: var(--fg); letter-spacing: 0; text-align: right; }
.spec .v.accent { color: var(--color-accent); }

/* ---------------------------------------------------------------- Badge --- */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: var(--text-caption);
  font-weight: var(--weight-medium); letter-spacing: -0.005em; padding: 4px 10px;
  border-radius: var(--radius-pill); border: 1px solid var(--border); color: var(--fg-secondary); background: var(--bg-elevated); }
.badge.accent { color: var(--color-accent-deep); background: var(--color-accent-tint); border-color: transparent; }

/* ---------------------------------------------------------------- Cards --- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px; transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.card.hover:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.card h3 { font-size: 22px; }
.card > h3 + p, .card > p { margin-top: 12px; color: var(--fg-secondary); }
.card ul { list-style: none; padding: 0; margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.card ul li { position: relative; padding-left: 26px; font-size: var(--text-sm); color: var(--fg-secondary); }
.card ul li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 12px; height: 7px;
  border-left: 2px solid var(--color-accent); border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}
.card .ico { width: 44px; height: 44px; border-radius: 11px; background: var(--color-accent-tint);
  display: flex; align-items: center; justify-content: center; color: var(--color-accent); margin-bottom: 22px; }

/* numbered "how it works" steps */
.steps { gap: 32px; }
.steps .step { border: 0; border-top: 1px solid var(--border-strong); border-radius: 0; padding: 22px 0 0; background: none; }
.steps .step .n { font-family: var(--font-mono); font-size: 14px; color: var(--color-accent); }
.steps .step h3 { font-size: 22px; margin-top: 16px; }
.steps .step p { margin-top: 12px; color: var(--fg-secondary); }

.chip-mono { display: inline-flex; align-items: center; font-family: var(--font-mono);
  font-size: var(--text-caption); color: var(--fg-secondary); background: var(--bg-inset);
  padding: 3px 8px; border-radius: var(--radius-sm); }

/* spec/detail table (Services) */
.spec-table { border: 1px solid var(--border); border-radius: var(--radius-xl); overflow: hidden; margin-top: 40px; }
.spec-table .tr { display: grid; grid-template-columns: 220px 1fr 140px; gap: 24px; padding: 18px 28px;
  border-bottom: 1px solid var(--border); align-items: center; }
.spec-table .tr:last-child { border-bottom: 0; }
.spec-table .th { background: var(--bg-subtle); padding: 14px 28px; }
.spec-table .th span { font-size: var(--text-overline); letter-spacing: var(--ls-overline);
  text-transform: uppercase; color: var(--fg-muted); font-weight: var(--weight-medium); }
.spec-table .th span:last-child { text-align: right; }
.spec-table .stage { font-family: var(--font-mono); font-size: 13px; color: var(--color-accent); }
.spec-table .detail { font-size: 16px; }
.spec-table .typ { font-family: var(--font-mono); font-size: 13px; color: var(--fg-secondary); text-align: right; }

/* ----------------------------------------------------------- CTA band ----- */
.cta-band { text-align: center; padding: 24px 0; }
.cta-band h2 { font-size: clamp(40px, 6vw, 60px); line-height: var(--lh-h1); letter-spacing: -0.03em;
  max-width: 20ch; margin: 0 auto; }
.cta-band .lead { margin: 22px auto 0; text-align: center; }
.cta-band .hero-cta { justify-content: center; }

/* --------------------------------------------------------- Pricing card --- */
.price-card { max-width: 560px; margin: 0 auto; }
.price-card .top { padding: 36px 40px; border-bottom: 1px solid var(--border); }
.price-card .head-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.price-card .amount { display: flex; align-items: baseline; gap: 10px; margin-top: 26px; }
.price-card .amount .num { font-size: 56px; font-weight: var(--weight-medium); letter-spacing: -0.03em; line-height: 1; }
.price-card .amount .per { font-family: var(--font-mono); font-size: 14px; color: var(--fg-muted); white-space: nowrap; }
.price-card .feat { padding: 30px 40px 36px; }
.price-card .feat .overline { display: block; font-size: var(--text-overline); letter-spacing: var(--ls-overline);
  text-transform: uppercase; color: var(--fg-muted); font-weight: var(--weight-medium); margin-bottom: 20px; }
.price-card ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.price-card ul li { position: relative; padding-left: 28px; }
.price-card ul li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 12px; height: 7px;
  border-left: 2px solid var(--color-accent); border-bottom: 2px solid var(--color-accent); transform: rotate(-45deg);
}

/* ---------------------------------------------------------------- Footer -- */
.site-footer { border-top: 1px solid var(--border); padding-top: 72px; }
.site-footer .cols { display: grid; grid-template-columns: 1.5fr repeat(5, 1fr); gap: 28px 24px; }
.site-footer .about { max-width: 260px; }
.site-footer .about p { margin-top: 18px; font-size: var(--text-sm); color: var(--fg-secondary); }
.site-footer .about .brand { margin-bottom: 0; }
.site-footer .fcol h4 { font-size: var(--text-overline); letter-spacing: var(--ls-overline);
  text-transform: uppercase; color: var(--fg-muted); font-weight: var(--weight-medium); margin-bottom: 18px; }
.site-footer .fcol { display: flex; flex-direction: column; }
.site-footer .fcol a { font-size: 14px; letter-spacing: -0.01em; color: var(--fg-secondary); padding: 6px 0; }
.site-footer .fcol a:hover { color: var(--fg); }
.site-footer .legal { margin-top: 64px; padding: 24px 0 32px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.site-footer .legal span { font-size: 13px; color: var(--fg-muted); }
.site-footer .legal .mono { font-family: var(--font-mono); font-size: 12px; }

/* ============================================================================
   QUOTE TOOL  (IDs/structure consumed by assets/quote.js — do not rename)
   ============================================================================ */
.quote-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.panel { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 36px; }
.panel h3 { font-size: 26px; }
.panel > h3 + .note { margin: 8px 0 24px; }

label { display: block; font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--fg);
  margin: 18px 0 8px; }
.panel label:first-of-type { margin-top: 0; }
.req { color: var(--color-accent); }

input, select, textarea {
  font-family: var(--font-sans); font-size: var(--text-body); letter-spacing: -0.01em; color: var(--fg);
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 12px 14px; width: 100%;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%238F8F8F' stroke-width='1.6'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
input::placeholder, textarea::placeholder { color: var(--fg-muted); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-tint); }
textarea { min-height: 96px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.dropzone {
  border: 1.5px dashed var(--border-strong); background: var(--bg-subtle); border-radius: var(--radius-xl);
  padding: 40px 24px; text-align: center; cursor: pointer;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--color-accent); outline: none; }
.dropzone.drag { border-color: var(--color-accent); background: var(--color-accent-tint); }
.dropzone .big { font-size: var(--text-body); font-weight: var(--weight-medium); }
.dropzone .filename { margin-top: 10px; font-family: var(--font-mono); font-size: 13px; color: var(--fg); }
.dropzone .dz-formats { margin-top: 14px; font-size: 12px; color: var(--fg-muted); letter-spacing: .01em; }
.dropzone .dz-formats b { color: var(--fg-secondary); font-weight: var(--weight-medium); }

/* optional 2D PDF spec attachment */
.spec-attach { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; margin-top: 12px; }
.spec-add { display: inline-flex; align-items: center; gap: 9px; cursor: pointer;
  font-size: 14px; color: var(--fg-secondary); padding: 10px 16px; border-radius: var(--radius-pill);
  border: 1px dashed var(--border-strong); background: var(--bg-elevated);
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast); }
.spec-add:hover { color: var(--fg); border-color: var(--color-accent); }
.spec-add .spec-opt { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-muted); }
.spec-add.has-file { border-style: solid; border-color: var(--color-accent); color: var(--fg); background: var(--color-accent-tint); }
.spec-add.has-file .spec-opt { display: none; }
.spec-attach .filename { font-family: var(--font-mono); font-size: 13px; color: var(--fg); }

.status { display: none; align-items: center; gap: 10px; margin-top: 18px; font-size: var(--text-sm); color: var(--fg-secondary); }
.status.show { display: flex; }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--border-strong);
  border-top-color: var(--color-accent); animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.alert { display: none; margin-top: 16px; padding: 12px 14px; border-radius: var(--radius-md); font-size: var(--text-sm); }
.alert.show { display: block; }
.alert.err { background: #FFF1F2; border: 1px solid #FDA4AF; color: #9F1239; }
.alert.ok { background: var(--color-accent-tint); border: 1px solid transparent; color: var(--color-accent-deep); }

.result { display: none; margin-top: 22px; border: 1px solid var(--border-strong); border-radius: var(--radius-xl); overflow: hidden; }
.result.show { display: block; }
.result .head { display: flex; align-items: center; gap: 8px; padding: 14px 20px; border-bottom: 1px solid var(--border);
  font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--color-accent); }
.result .metrics { display: grid; grid-template-columns: repeat(3, 1fr); }
.result .metric { padding: 18px 20px; border-right: 1px solid var(--border); }
.result .metric:last-child { border-right: 0; }
.result .metric .val { font-size: 28px; font-weight: var(--weight-medium); letter-spacing: -0.02em; }
.result .metric .lab { margin-top: 4px; font-family: var(--font-mono); font-size: 11px; color: var(--fg-muted); }
.result .note { padding: 14px 20px; border-top: 1px solid var(--border); background: var(--bg-subtle); }

.powered { margin-top: 18px; font-size: var(--text-caption); color: var(--fg-muted); }
.powered b { color: var(--fg-secondary); font-weight: var(--weight-medium); }

/* trust strip under the upload dropzone (quote.html only) — the QA tokens +
   security line a conservative buyer needs to see before uploading IP */
.dz-trust { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px;
  margin-top: 12px; padding-top: 11px; border-top: 1px solid var(--border); }
.dz-trust .dz-certs { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .02em;
  color: var(--fg-secondary); }
.dz-trust .dz-certs i { font-style: normal; color: var(--fg-muted); padding: 0 2px; }
.dz-trust .dz-sec { display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--fg-muted); }
.dz-trust .dz-sec svg { flex: none; color: var(--color-accent); }

/* ---- 3D preview of the uploaded part (quote.html, fed by quote.js) ----
   GLB/glTF render live; other formats get an honest labeled placeholder. */
.preview3d { display: none; margin-top: 18px; }
.preview3d.show { display: block; }
.preview3d .pv-stage { height: 260px; border: 1px solid var(--border); border-radius: var(--radius-xl);
  background: var(--bg-subtle); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.preview3d .pv-stage model-viewer { width: 100%; height: 100%; background: transparent; --poster-color: transparent; }
.preview3d .pv-loading { display: flex; align-items: center; gap: 10px; font-size: var(--text-sm); color: var(--fg-secondary); }
.preview3d .pv-ph { display: flex; flex-direction: column; align-items: center; gap: 8px;
  text-align: center; padding: 24px 28px; max-width: 46ch; }
.preview3d .pv-ph svg { color: var(--fg-muted); margin-bottom: 4px; }
.preview3d .pv-ph b { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--fg); }
.preview3d .pv-ph span { font-size: 13px; color: var(--fg-muted); line-height: 1.55; }
.preview3d .pv-note { margin-top: 8px; font-size: 12px; color: var(--fg-muted); text-align: center; }

/* ============================================================================
   HERO — animated mesh background + cursor glyph field   (homepage)
   OpenAI-style: color lives ONLY here and in tiles, never in UI chrome.
   ============================================================================ */
.hero--mesh {
  position: relative; overflow: hidden; isolation: isolate;
  margin-top: calc(-1 * var(--header-height));            /* slide under sticky nav */
  padding: calc(var(--header-height) + 88px) 0 96px;
  background: linear-gradient(180deg, var(--bg) 0%, #F8FAFC 52%, var(--bg) 100%);
}
.hero-fx { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-fx .mesh {
  position: absolute; inset: -12%;
  background:
    radial-gradient(40% 42% at 22% 28%, rgba(30,96,228,0.52),  transparent 70%),   /* brand blue */
    radial-gradient(42% 44% at 78% 22%, rgba(46,71,128,0.42),  transparent 72%),    /* deep steel */
    radial-gradient(50% 52% at 62% 78%, rgba(121,200,255,0.44), transparent 72%),   /* sky */
    radial-gradient(38% 40% at 28% 82%, rgba(127,224,212,0.30), transparent 72%);   /* faint teal */
  filter: blur(34px) saturate(116%);
  animation: heroDrift 30s var(--ease-in-out) infinite alternate;
}
.hero-fx .mesh::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(34% 36% at 82% 60%, rgba(191,231,255,0.36), transparent 72%),   /* pale sky */
    radial-gradient(40% 42% at 12% 58%, rgba(30,96,228,0.30),  transparent 72%),    /* blue */
    radial-gradient(20% 22% at 72% 16%, rgba(255,201,138,0.20), transparent 70%);   /* faint warm spark */
  animation: heroDrift2 38s var(--ease-in-out) infinite alternate;
}
/* fine film grain — makes the gradient read crafted, not flat AI-default */
.hero-fx::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.13; mix-blend-mode: soft-light;
}
.hero--mesh .hero-content, .hero--mesh .hero-media { position: relative; z-index: 2; }
/* lighter, shorter hero for inner pages (mesh only, no glyph canvas) */
.hero--mini { padding: calc(var(--header-height) + 60px) 0 60px; }
/* hub pages slide their mesh under the fixed nav (negative margin), so they need
   extra top padding to keep the headline clear of the nav like the subpages do */
.hero--mesh.hero--mini { padding: calc(var(--header-height) + 108px) 0 76px; }
.hero--mini .mesh { filter: blur(38px) saturate(112%); }
@keyframes heroDrift {
  0%   { transform: translate3d(-2%,-1%,0) scale(1.06); }
  50%  { transform: translate3d(2%, 2%,0)  scale(1.13); }
  100% { transform: translate3d(1%,-2%,0)  scale(1.08); }
}
@keyframes heroDrift2 {
  0%   { transform: translate3d(2%, 1%,0)  scale(1.10); }
  100% { transform: translate3d(-2%,-2%,0) scale(1.04); }
}

/* nav: transparent while over the hero, solid once scrolled.
   Solid is the DEFAULT (no-JS safe); JS adds .over-hero at the top. */
.nav.over-hero {
  background: rgba(255,255,255,0.88); border-color: var(--border);
  -webkit-backdrop-filter: saturate(160%) blur(18px); backdrop-filter: saturate(160%) blur(18px);
}
.nav.over-hero .nav-links a:not(.btn) { color: var(--fg); }

/* ============================================================================
   MEDIA TILES — colorful gradient cards (OpenAI news/research grid)
   ============================================================================ */
.tile-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tile { display: block; }
.tile-art {
  position: relative; aspect-ratio: 16 / 11; border-radius: var(--radius-lg); overflow: hidden;
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out);
}
.tile:hover .tile-art { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tile-art::after {
  content: attr(data-glyph); position: absolute; right: 18px; bottom: 12px;
  font-family: var(--font-mono); font-size: 22px; color: rgba(255,255,255,0.55); letter-spacing: 0;
}
/* duotone, cool-biased, engineering — no candy/rainbow */
.art-1 { background: radial-gradient(120% 120% at 18% 18%, #8aa6ff, #1742b8 95%); }
.art-2 { background: radial-gradient(120% 120% at 82% 16%, #8fe0f0, #1f59b5 94%); }
.art-3 { background: radial-gradient(120% 120% at 26% 80%, #ffd9a3, #b06a1c 92%); }  /* refined warm (brass), not coral */
.art-4 { background: radial-gradient(120% 120% at 78% 80%, #c2cede, #3a4f6b 92%); }  /* brushed steel */
.art-5 { background: radial-gradient(120% 120% at 20% 22%, #9fc4ff, #243a6b 92%); }  /* deep blue (was violet) */
.art-6 { background: radial-gradient(120% 120% at 78% 20%, #bfe7ff, #2348b0 94%); }
/* crop-mark corners — technical/print character on media tiles */
.tile-art::before {
  content: ""; position: absolute; inset: 11px; z-index: 1; pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,.55),rgba(255,255,255,.55)) 0 0/11px 1.5px no-repeat,
    linear-gradient(rgba(255,255,255,.55),rgba(255,255,255,.55)) 0 0/1.5px 11px no-repeat,
    linear-gradient(rgba(255,255,255,.55),rgba(255,255,255,.55)) 100% 100%/11px 1.5px no-repeat,
    linear-gradient(rgba(255,255,255,.55),rgba(255,255,255,.55)) 100% 100%/1.5px 11px no-repeat;
}
.tile-meta { margin-top: 16px; }
.tile-meta .tag { font-family: var(--font-mono); font-size: 12px; color: var(--color-accent); letter-spacing: 0; }
.tile-meta h3 { font-size: 20px; margin-top: 8px; transition: color var(--dur-fast) var(--ease-out); }
.tile:hover .tile-meta h3 { color: var(--color-accent); }

@media (prefers-reduced-motion: reduce) {
  .hero-fx .mesh, .hero-fx .mesh::after { animation: none; }
}

/* ============================================================================
   HERO 3D PART — split layout + floating, cursor-tilt component (FHILY-style)
   ============================================================================ */
.hero--mesh .hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero-grid .hero-content { position: relative; z-index: 2; }
.hero-grid .hero-content h1 { font-size: clamp(40px, 5vw, 68px); }
.hero-model { position: relative; z-index: 2; }
.hero-model .mv-wrap { animation: heroFloat 7s var(--ease-in-out) infinite; will-change: transform; }
.hero-model .mv-tilt { transition: transform .25s var(--ease-out); transform-style: preserve-3d; }
.hero-model model-viewer { width: 100%; height: 460px; background: transparent;
  --poster-color: transparent; --progress-bar-color: var(--color-accent); }
@keyframes heroFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* scroll-reveal — staggered section entrances */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .hero-model .mv-wrap { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hscroll { height: auto; }
  .hscroll-sticky { position: static; height: auto; overflow: visible; }
  .hscroll-track { overflow-x: auto; transform: none !important; }
  .showcase-fog { animation: none; }
  .showcase-model.pop { animation: none; }
}

/* ============================================================================
   ENGINEERING CHARACTER — technical grid + dimension notation
   ============================================================================ */
.tech-grid { position: relative; }
.tech-grid::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 34px 34px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 38%, #000, transparent 78%);
          mask-image: radial-gradient(ellipse 80% 70% at 50% 38%, #000, transparent 78%);
  opacity: 0.55;
}
.tech-grid > * { position: relative; z-index: 1; }
.dim { font-family: var(--font-mono); font-size: 12px; color: var(--fg-muted); letter-spacing: 0; }

/* ============================================================================
   QUOTE TOOL v2 — dual input (upload + text-to-CAD), shared RFQ
   IDs/classes here are consumed by assets/quote.js — do not rename.
   ============================================================================ */
.tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.rfq-panel { margin-top: 24px; }
.tool-step { display: inline-flex; align-items: center; gap: 8px; }
.tool-step .num { font-family: var(--font-mono); font-size: 13px; color: var(--color-accent); }

#prompt { min-height: 150px; }
.gen-actions { display: flex; align-items: center; gap: 12px; margin-top: 14px; }

.gen-preview { display: none; margin-top: 18px; height: 280px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl); overflow: hidden; background: var(--bg-subtle); }
.gen-preview.show { display: block; }
.gen-preview model-viewer { width: 100%; height: 100%; background: var(--bg-subtle); --poster-color: transparent; }

/* which part is feeding the quote */
.active-part { display: none; margin-top: 22px; padding: 13px 18px; gap: 14px;
  align-items: center; justify-content: space-between; flex-wrap: wrap;
  border: 1px dashed var(--border-strong); border-radius: var(--radius-md);
  font-size: var(--text-sm); color: var(--fg-secondary); background: var(--bg-subtle); }
.active-part.show { display: flex; }
.active-part b { color: var(--fg); font-weight: var(--weight-medium); }
.active-part .mono { font-family: var(--font-mono); font-size: 13px; color: var(--color-accent); }

/* multi-select documentation chips */
.docs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 8px; margin-top: 8px; }
.doc-chip { position: relative; margin: 0; display: flex; align-items: center; justify-content: center; text-align: center; gap: 7px;
  padding: 6px 14px; height: 56px; line-height: 1.25; border: 1px solid var(--border); border-radius: var(--radius-pill);
  cursor: pointer; font-size: var(--text-sm); color: var(--fg-secondary); background: var(--bg-elevated);
  transition: border-color var(--dur-fast), background var(--dur-fast), color var(--dur-fast); }
.doc-chip input { position: absolute; opacity: 0; pointer-events: none; }
.doc-chip:hover { border-color: var(--border-strong); }
.doc-chip:has(input:checked) { border-color: transparent; background: var(--color-accent-tint); color: var(--color-accent-deep); }
.doc-chip:has(input:focus-visible) { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

/* ============================================================================
   HORIZONTAL-SCROLL PARTS GALLERY (pinned; scroll down → parts move L→R)
   ============================================================================ */
.hscroll { position: relative; height: 220vh; }
.hscroll-sticky { position: sticky; top: var(--header-height); height: calc(100vh - var(--header-height));
  overflow: hidden; display: flex; flex-direction: column; justify-content: center; gap: 30px; }
.hscroll-head { flex: 0 0 auto; }
.hscroll-track { display: flex; gap: 22px; padding: 0 40px; will-change: transform; }
.pcard { flex: 0 0 280px; border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--bg-elevated); overflow: hidden; }
.pcard-art { height: 250px; position: relative; }
.pcard-art::before { content: ""; position: absolute; inset: 11px; pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,.5),rgba(255,255,255,.5)) 0 0/11px 1.5px no-repeat,
    linear-gradient(rgba(255,255,255,.5),rgba(255,255,255,.5)) 0 0/1.5px 11px no-repeat,
    linear-gradient(rgba(255,255,255,.5),rgba(255,255,255,.5)) 100% 100%/11px 1.5px no-repeat,
    linear-gradient(rgba(255,255,255,.5),rgba(255,255,255,.5)) 100% 100%/1.5px 11px no-repeat; }
.pcard-meta { padding: 16px 20px 20px; }
.pcard-meta h3 { font-size: 18px; }
.pcard-tag { display: block; margin-top: 6px; font-family: var(--font-mono); font-size: 12px; color: var(--color-accent); }

/* ============================================================================
   3D PARTS SHOWCASE — scroll-driven, one big part at a time on a fog stage
   ============================================================================ */
.showcase { position: relative; height: 560vh; }
.showcase-stage { position: sticky; top: var(--header-height); height: calc(100vh - var(--header-height));
  overflow: hidden; display: flex; align-items: center; isolation: isolate; }
.showcase-fog { position: absolute; inset: -12%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(40% 40% at 26% 36%, rgba(91,140,240,0.32), transparent 70%),
    radial-gradient(46% 46% at 74% 66%, rgba(120,200,255,0.22), transparent 72%),
    radial-gradient(38% 38% at 62% 28%, rgba(255,255,255,0.10), transparent 70%);
  filter: blur(50px) saturate(115%);
  animation: fogDrift 26s var(--ease-in-out) infinite alternate; }
@keyframes fogDrift { 0% { transform: translate3d(-3%,-2%,0) scale(1.10); } 100% { transform: translate3d(3%,3%,0) scale(1.22); } }
.showcase-inner { position: relative; z-index: 2; display: flex; flex-direction: column;
  align-items: center; text-align: center; width: 100%; gap: 6px; }
.showcase-model { width: min(640px, 88%); height: 52vh; }
.showcase-model model-viewer { width: 100%; height: 100%; background: transparent; --poster-color: transparent; }
.showcase-model.pop { animation: scSlide 0.6s var(--ease-out); }
.showcase-label { margin-top: 6px; }
.showcase-label.pop { animation: nameFade 0.7s var(--ease-out); }
.showcase-label h2 { font-size: clamp(34px, 4.6vw, 60px); }
.showcase-sub { font-family: var(--font-mono); font-size: 13px; color: var(--fg-muted); margin-top: 8px; }
.showcase-idx { display: block; font-family: var(--font-mono); font-size: 13px; color: var(--color-accent); margin-top: 14px; }
.showcase-dots { display: flex; justify-content: center; gap: 10px; margin-top: 18px; }
.showcase-dots button { width: 34px; height: 4px; border-radius: 999px; border: 0; padding: 0; cursor: pointer;
  background: var(--border-strong); transition: background var(--dur-fast); }
.showcase-dots button.on { background: var(--color-accent); }
@keyframes scSlide { from { opacity: 0; transform: translateX(-55%); } to { opacity: 1; transform: translateX(0); } }
@keyframes nameFade { 0% { opacity: 0; } 35% { opacity: 0; } 100% { opacity: 1; } }

/* ============================================================================
   SOURCEABLE PARTS GRID (3 x 6) + FAQ
   ============================================================================ */
.parts-grid .tile .pa { position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius-lg); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out); }
.parts-grid .picon { width: 40%; height: 40%; color: #fff; opacity: 0.92; }
.parts-grid .pdraw { width: 66%; height: 66%; color: #fff; opacity: 0.95; }
.parts-grid .prender { width: 92%; height: 92%; object-fit: contain; }
.parts-grid .tile:hover .pa { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.parts-grid .tile-meta { margin-top: 14px; }
.parts-grid .tile-meta h3 { font-size: 16px; }

.faq { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { cursor: pointer; list-style: none; padding: 22px 0; gap: 16px;
  font-size: 18px; font-weight: var(--weight-medium); color: var(--fg);
  display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-mono); color: var(--color-accent); font-size: 22px; flex: 0 0 auto; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin: 0; padding: 0 0 22px; color: var(--fg-secondary); max-width: 70ch; }

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 900px) {
  .parts-grid { grid-template-columns: 1fr 1fr; }
  .showcase { height: auto; }
  .showcase-stage { position: static; height: auto; padding: 48px 0; }
  .showcase-inner { grid-template-columns: 1fr; gap: 24px; }
  .showcase-model { height: 52vh; }
  .hscroll { height: auto; }
  .hscroll-sticky { position: static; height: auto; overflow: visible; }
  .hscroll-track { overflow-x: auto; transform: none !important; scroll-snap-type: x mandatory; padding-bottom: 10px; }
  .pcard { scroll-snap-align: start; flex-basis: 72vw; }
  .shell { padding: 0 24px; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 48px; }
  .hero--mesh { margin-top: calc(-1 * var(--header-height)); padding: calc(var(--header-height) + 52px) 0 64px; }
  .hero--mesh .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-model model-viewer { height: 320px; }
  .tile-grid { grid-template-columns: 1fr; gap: 28px; }
  .split, .split.lean, .quote-wrap, .tools-grid { grid-template-columns: 1fr; gap: 40px; }
  .split.flip > :first-child { order: 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .site-footer .cols { grid-template-columns: 1fr 1fr; gap: 32px; }
  .site-footer .about { grid-column: 1 / -1; }
  .spec-table .tr, .spec-table .th { grid-template-columns: 1fr; gap: 6px; }
  .spec-table .typ, .spec-table .th span:last-child { text-align: left; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; position: absolute; top: var(--header-height); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px; background: rgba(255,255,255,0.96); padding: 16px 24px;
    border: 1px solid var(--border); border-radius: 22px; box-shadow: 0 18px 44px rgba(0,0,0,0.08); }
  .nav-links.open .nav-cta { flex-direction: column; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px;
    border: 1px solid var(--border); border-radius: var(--radius-pill); background: var(--bg-elevated); cursor: pointer; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .result .metrics { grid-template-columns: 1fr; }
  .result .metric { border-right: 0; border-bottom: 1px solid var(--border); }
  .result .metric:last-child { border-bottom: 0; }
  .site-footer .cols { grid-template-columns: 1fr; }
  .site-footer .legal { flex-direction: column; align-items: flex-start; }
}

/* ---- instant quote result panel ---- */
.instant-quote { display: none; margin-top: 18px; }
.instant-quote.show { display: block; }
.iq-card { border: 1px solid var(--border-strong); background: var(--bg-inset);
  border-radius: 14px; padding: 24px 26px; }
.rfq-divider { height: 1px; background: var(--border); margin: 28px 0 24px; }
.rfq-subhead { font-size: 18px; line-height: 1.25; letter-spacing: -0.01em; margin: 0; }
.iq-tag { display: inline-block; font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--color-accent-deep); border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 4px 11px; margin-bottom: 14px; }
.iq-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.iq-price { font-size: clamp(32px, 5vw, 46px); font-weight: 600; letter-spacing: -.02em; line-height: 1; }
.iq-unit { font-size: 15px; color: var(--fg-secondary); font-weight: 400; }
.iq-sub { margin-top: 10px; color: var(--fg-secondary); font-size: 14px; }
.iq-note { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--fg-muted); line-height: 1.55; }

/* reasoned-quote extras: nearest comp, model basis, confidence chip */
.iq-comp { margin-top: 12px; font-size: 14px; color: var(--fg-secondary); }
.iq-basis { margin-top: 8px; font-size: 14px; line-height: 1.55; color: var(--fg); }
.iq-conf { float: right; font-size: 11px; letter-spacing: .03em; text-transform: uppercase;
  border-radius: 999px; padding: 3px 9px; border: 1px solid var(--border); color: var(--fg-muted); }
.iq-conf-high { color: var(--color-accent-deep); border-color: var(--border-strong); }
.iq-conf-medium { color: var(--fg-secondary); }
.iq-conf-low { color: var(--fg-muted); }

/* ---- instant quote: price ladder ---- */
.iq-ladder { margin-top: 14px; border: 1px solid var(--border); border-radius: 14px; background: var(--bg-subtle); padding: 16px 18px; }
.iq-ladder-h { font-size: 13px; font-weight: 600; color: var(--fg-secondary); margin-bottom: 10px; }
.iq-ladder table { width: 100%; border-collapse: collapse; font-size: 14px; }
.iq-ladder th { text-align: left; font-weight: 500; color: var(--fg-muted); font-size: 12px;
  text-transform: uppercase; letter-spacing: .03em; padding: 6px 10px; border-bottom: 1px solid var(--border); }
.iq-ladder td { padding: 7px 10px; border-bottom: 1px solid var(--border); color: var(--fg-secondary); }
.iq-ladder .num { text-align: right; font-variant-numeric: tabular-nums; }
.iq-ladder tbody tr:last-child td { border-bottom: 0; }
.iq-ladder tr.cur td { background: var(--color-accent-tint); color: var(--fg); font-weight: 600; }
.iq-ladder tr.cur td:first-child { border-radius: 8px 0 0 8px; }
.iq-ladder tr.cur td:last-child { border-radius: 0 8px 8px 0; }
.iq-ladder .iq-note { margin-top: 12px; padding-top: 10px; }

/* ---- instant quote: DFM snapshot ---- */
.dfm-card { margin-top: 14px; border: 1px solid var(--border-strong); border-radius: 14px; background: var(--bg-inset); padding: 18px 20px; }
.dfm-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.dfm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.dfm-stat { background: var(--bg-subtle); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.dfm-stat .v { font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.dfm-stat .l { font-size: 12px; color: var(--fg-muted); margin-top: 3px; }
.dfm-row { display: flex; gap: 12px; align-items: baseline; margin-top: 12px; font-size: 14px; color: var(--fg-secondary); }
.dfm-row .dfm-k { min-width: 104px; color: var(--fg-muted); font-size: 13px; }
.steril { display: flex; flex-wrap: wrap; gap: 6px; }
.steril-chip { font-size: 12px; border: 1px solid var(--border-strong); border-radius: 999px; padding: 2px 9px; color: var(--color-accent-deep); }
.dfm-card .iq-note { margin-top: 14px; }
.dfm-flag { margin-top: 12px; padding: 10px 14px; border: 1px solid var(--border-strong);
  border-left: 3px solid var(--color-accent); border-radius: 8px; font-size: 13px;
  color: var(--fg); background: var(--color-accent-tint); }

/* ---- e-commerce catalog (components.html) ---- */
.shop-line { margin-top: 52px; }
.shop-line:first-child { margin-top: 8px; }
.shop-line-h { display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; border-bottom: 1px solid var(--border); padding-bottom: 14px; }
.shop-count { font-size: 13px; color: var(--fg-muted); white-space: nowrap; }
.shop-count b { color: var(--fg); }
.shop-colors { font-size: 13px; color: var(--fg-muted); margin-top: 10px; display: flex; align-items: center;
  flex-wrap: wrap; gap: 7px; }
.shop-colors .lead-lbl { color: var(--fg-secondary); }
.sw { width: 13px; height: 13px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .18);
  display: inline-block; flex: none; }
.sw-transparent { background: linear-gradient(135deg, #cfe0ff, #9fb8e6); }
.shop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 22px; }
.shop-card { display: flex; flex-direction: column; }
.shop-thumb { position: relative; aspect-ratio: 11 / 10; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border);
  background-image:
    linear-gradient(rgba(30, 96, 228, .075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 96, 228, .075) 1px, transparent 1px),
    linear-gradient(rgba(30, 96, 228, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 96, 228, .14) 1px, transparent 1px),
    radial-gradient(130% 130% at 50% 38%, #FFFFFF 0%, #F7F9FC 100%);
  background-position: -1px -1px, -1px -1px, -1px -1px, -1px -1px, 0 0;
  background-size: 14px 14px, 14px 14px, 70px 70px, 70px 70px, cover;
  display: flex; align-items: center; justify-content: center; }
.shop-thumb svg { width: 100%; height: 100%; display: block; }
/* engineering spec-drawing styling (blue-black pencil on a white grid) */
.shop-thumb .outl { stroke: #07111F; stroke-width: 1.7; fill: rgba(30,96,228,.045); stroke-linejoin: round; stroke-linecap: round; }
.shop-thumb .edge { stroke: #2E4780; stroke-width: 1.05; fill: none; stroke-linecap: round; }
.shop-thumb .spec-hi { stroke: #1E60E4; stroke-width: 1; fill: none; opacity: .35; stroke-linecap: round; }
.shop-thumb .wit { stroke: #7C8798; stroke-width: .55; opacity: .72; }
.shop-thumb .dim { stroke: #6B7280; stroke-width: .72; fill: none; }
.shop-thumb .dt { fill: #334155; font: 600 8.8px ui-monospace, "Geist Mono", Menlo, monospace; }
.shop-thumb .tag { fill: var(--color-accent-deep); font: 600 9.8px ui-monospace, "Geist Mono", Menlo, monospace; letter-spacing: .04em; }
.shop-thumb .unit { fill: #64748B; font: 8px ui-monospace, "Geist Mono", Menlo, monospace; }
.shop-meta { padding: 12px 2px 0; display: flex; flex-direction: column; flex: 1; }
.shop-pn { font-family: ui-monospace, "Geist Mono", monospace; font-size: 13px; color: var(--color-accent-deep); letter-spacing: .02em; }
.shop-desc { font-size: 14px; color: var(--fg); margin-top: 4px; line-height: 1.35; }
.shop-spec { font-size: 12px; color: var(--fg-muted); margin-top: 3px; }
.spec-color { display: inline-flex; align-items: center; gap: 5px; vertical-align: middle; text-transform: capitalize; }
.spec-color .sw { width: 11px; height: 11px; }
.shop-card-colors { margin-top: 9px; display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  font-size: 11px; color: var(--fg-muted); }
.shop-price { font-size: 18px; font-weight: 600; letter-spacing: -.01em; margin-top: auto; padding-top: 10px; }
.shop-price span { font-size: 12px; font-weight: 400; color: var(--fg-muted); }
.shop-note { font-size: 10.5px; color: var(--fg-muted); margin-top: 3px; }
.shop-order { width: 100%; margin-top: 10px; }
/* hub overview: "view all N variants" tile linking to the family page */
.shop-more { align-items: center; justify-content: center; gap: 8px; text-align: center;
  border: 1.5px dashed var(--border-strong); border-radius: 12px; padding: 28px 22px; min-height: 240px;
  transition: border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out); }
.shop-more:hover { border-color: var(--color-accent); background: var(--bg-subtle); }
.shop-more .shop-more-n { font-family: var(--font-mono); font-size: 30px; letter-spacing: -0.02em;
  color: var(--color-accent); }
.shop-more b { font-size: var(--text-body); font-weight: var(--weight-medium); color: var(--fg); }
.shop-more .shop-more-sub { font-size: 13px; color: var(--fg-muted); max-width: 24ch; line-height: 1.5; }
@media (max-width: 900px) { .shop-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .shop-grid { grid-template-columns: 1fr; } }

/* Legal / Terms document */
.legal-doc h2 { font-size: 19px; font-weight: 600; letter-spacing: -.01em; margin: 34px 0 8px; }
.legal-doc h2:first-of-type { margin-top: 8px; }
.legal-doc p { color: var(--fg-secondary); font-size: 16px; line-height: 1.72; margin: 0 0 8px; }
.legal-doc p b { color: var(--fg); font-weight: 600; }
.legal-doc a { color: var(--color-accent-deep); }

/* WHY EMERSION — differentiation band */
#why { padding-top: 8px; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.why-card { border: 1px solid var(--border); border-radius: 16px; padding: 26px 24px; background: var(--bg-elevated);
  display: flex; flex-direction: column; gap: 9px; position: relative; overflow: hidden; }
.why-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent); opacity: .8; }
.why-card .eyebrow { font-family: ui-monospace, "Geist Mono", monospace; font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--color-accent-deep); }
.why-card h3 { font-size: 20px; font-weight: 600; letter-spacing: -.01em; margin: 0; }
.why-card p { color: var(--fg-secondary); font-size: 14.5px; line-height: 1.55; margin: 0; }
.why-strip { text-align: center; margin-top: 28px; font-size: 16px; color: var(--fg-secondary); }
.why-strip b { color: var(--fg); }
/* linkable cards (market pages) — whole card is a link, no underline, text stays mono/black */
a.why-card { text-decoration: none; color: var(--fg); transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out); }
a.why-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
a.why-card .more { margin-top: 4px; font-family: var(--font-mono); font-size: 12.5px; color: var(--color-accent); }
@media (max-width: 860px) { .why-grid { grid-template-columns: 1fr; } }

/* ---- Media cards (capabilities) — real photo + dark overlay, OpenAI-style ---- */
.media-card { position: relative; border-radius: var(--radius-xl); overflow: hidden;
  min-height: 380px; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 28px; isolation: isolate; box-shadow: var(--shadow-md);
  background: var(--mc-bg, linear-gradient(140deg, var(--grad-indigo), var(--grad-blue)));
  background-size: cover; background-position: center; color: #fff; }
.media-card::after { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(8,11,18,0.92) 0%, rgba(8,11,18,0.48) 34%, rgba(8,11,18,0.06) 100%); }
.media-card > * { position: relative; z-index: 3; }
.media-card .mc-art { position: absolute; inset: 0 0 24%; z-index: 2; display: flex;
  align-items: center; justify-content: center; pointer-events: none; }
.media-card .mc-art svg { width: 40%; height: auto; color: rgba(255,255,255,0.92); opacity: 0.85; }
.media-card .mc-k { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: rgba(255,255,255,0.82); }
.media-card h4 { color: #fff; font-size: 23px; font-weight: 600; letter-spacing: -0.01em; margin: 7px 0 0;
  text-shadow: 0 1px 14px rgba(0,0,0,0.35); }
.media-card p { color: rgba(255,255,255,0.92); font-size: 14px; line-height: 1.5; margin: 8px 0 0; max-width: 36ch;
  text-shadow: 0 1px 12px rgba(0,0,0,0.3); }

/* Dropdown navigation */
.nav-item { position: relative; display: inline-flex; align-items: center; }
.nav-top { display: inline-flex; align-items: center; gap: 5px; }
.nav-top .caret { width: 9px; height: 9px; opacity: .65; transition: transform .2s; }
.nav-item:hover > .nav-top .caret, .nav-item.open > .nav-top .caret { transform: rotate(180deg); }
.nav-item::after { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 14px; }
.dd { position: absolute; top: 100%; left: -14px; min-width: 238px; margin-top: 12px; padding: 8px;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 13px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .08); opacity: 0; visibility: hidden; transform: translateY(7px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s; z-index: 130; }
.nav-item:hover > .dd, .nav-item.open > .dd, .nav-item:focus-within > .dd { opacity: 1; visibility: visible; transform: translateY(0); }
.dd a { display: block; padding: 8px 12px; border-radius: 8px; font-size: 13.5px; color: var(--fg-secondary); white-space: nowrap; }
.dd a:hover { background: var(--bg-inset); color: var(--fg); }
.dd a.dd-strong { color: var(--fg); font-weight: 500; }
.dd-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .09em; color: var(--fg-muted); padding: 11px 12px 4px; }
@media (max-width: 860px) {
  .nav-item { display: block; width: 100%; }
  .nav-item::after { display: none; }
  .nav-top { justify-content: space-between; width: 100%; }
  .dd { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0;
    background: transparent; padding: 2px 0 6px 12px; margin: 2px 0 0; min-width: 0; display: none; }
  .nav-item.open > .dd { display: block; }
  .dd a { padding: 7px 10px; }
}
@media (max-width: 1120px) {
  .nav-links { display: none; }
  .nav-item { display: block; width: 100%; }
  .nav-item::after { display: none; }
  .nav-top { justify-content: space-between; width: 100%; }
  .dd { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0;
    background: transparent; padding: 2px 0 6px 12px; margin: 2px 0 0; min-width: 0; display: none; }
  .nav-item.open > .dd { display: block; }
  .dd a { padding: 7px 10px; }
  .nav-links.open {
    display: flex; position: absolute; top: calc(100% + 8px); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px; padding: 16px 24px;
    background: rgba(255,255,255,0.97); -webkit-backdrop-filter: blur(20px) saturate(150%);
    backdrop-filter: blur(20px) saturate(150%); border: 1px solid var(--border);
    border-radius: 22px; box-shadow: 0 18px 50px rgba(0,0,0,0.10);
    max-height: calc(100vh - 96px); overflow: auto;
  }
  .nav-links.open .nav-cta { flex-direction: column; align-items: stretch; }
  .nav-links.open .nav-cta .btn { width: 100%; justify-content: center; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px;
    border: 1px solid var(--border); border-radius: var(--radius-pill);
    background: var(--bg-elevated); color: var(--fg); cursor: pointer; }
}

/* ---- modal ---- */
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, .62); backdrop-filter: blur(2px); }
.modal-card { position: relative; z-index: 1; width: 100%; max-width: 460px; max-height: 90vh; overflow: auto;
  background: var(--bg-elevated); border: 1px solid var(--border-strong); border-radius: 16px; padding: 26px 28px; }
.modal-card h3 { margin: 0 0 2px; }
.modal-x { position: absolute; top: 12px; right: 14px; width: 32px; height: 32px; background: none; border: 0;
  color: var(--fg-muted); font-size: 22px; line-height: 1; cursor: pointer; border-radius: 8px; }
.modal-x:hover { color: var(--fg); background: var(--bg-inset); }
.modal-part { color: var(--fg-secondary); font-size: 14px; margin: 6px 0 18px; }
.modal-part b { font-family: ui-monospace, monospace; color: var(--color-accent-deep); }

/* ---- components catalog ---- */
.cat-intro { max-width: 74ch; color: var(--fg-secondary); font-size: 18px; line-height: 1.72; margin: 0 0 24px; }
.markets { display: flex; flex-wrap: wrap; gap: 10px; }
.market-chip { border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 7px 15px; font-size: 14px; color: var(--fg-secondary); background: var(--bg-elevated); }
.cat-family { margin-top: 52px; }
.cat-head { display: grid; grid-template-columns: 132px 1fr auto; gap: 24px; align-items: center; }
.cat-thumb { width: 132px; height: 100px; border-radius: 14px; overflow: hidden;
  background: var(--bg-elevated); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; }
.cat-thumb img { width: 100%; height: 100%; object-fit: contain; }
.cat-thumb.pa { border: 0; }
.cat-title { font-size: clamp(21px, 2.4vw, 26px); font-weight: 600; letter-spacing: -.01em; margin: 0;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.iso-badge { font-size: 12px; font-weight: 500; letter-spacing: .03em; color: var(--color-accent-deep);
  border: 1px solid var(--border-strong); border-radius: 999px; padding: 3px 10px; }
.cat-blurb { margin: 8px 0 0; color: var(--fg-secondary); font-size: 15px; line-height: 1.55; max-width: 64ch; }
.cat-cta { white-space: nowrap; align-self: start; }
.cat-details { margin-top: 20px; border: 1px solid var(--border); border-radius: 14px; background: var(--bg-subtle); overflow: hidden; }
.cat-details > summary { cursor: pointer; list-style: none; padding: 14px 20px; font-size: 14px; font-weight: 500;
  color: var(--fg-secondary); user-select: none; }
.cat-details > summary::-webkit-details-marker { display: none; }
.cat-details > summary::after { content: "▾"; float: right; color: var(--fg-muted); transition: transform .2s; }
.cat-details[open] > summary::after { transform: rotate(180deg); }
.cat-details > summary:hover { color: var(--fg); }
.cat-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.cat-table thead th { text-align: left; font-weight: 500; color: var(--fg-muted); font-size: 12px;
  text-transform: uppercase; letter-spacing: .04em; padding: 10px 16px; border-top: 1px solid var(--border);
  background: var(--bg-inset); }
.cat-table td { padding: 9px 16px; border-top: 1px solid var(--border); color: var(--fg-secondary); vertical-align: top; }
.cat-table td.pn { font-family: ui-monospace, "Geist Mono", monospace; color: var(--fg); white-space: nowrap; }
.cat-table tbody tr:hover td { background: var(--bg-elevated); }

@media (max-width: 720px) {
  .cat-head { grid-template-columns: 1fr; gap: 14px; }
  .cat-thumb { width: 100%; height: 120px; }
  .cat-cta { justify-self: start; }
  .cat-table thead { display: none; }
  .cat-table tbody tr { display: block; border-top: 1px solid var(--border); padding: 6px 0; }
  .cat-table td { display: block; border-top: 0; padding: 2px 16px; }
  .cat-table td.pn { padding-top: 12px; }
}

/* ---- priced component catalog: family photos + spec tables ---- */
.catalog-hero .lead { max-width: 78ch; }
.catalog-jump { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.catalog-jump a { border: 1px solid var(--border-strong); border-radius: 999px; padding: 8px 14px;
  background: var(--bg-elevated); color: var(--fg-secondary); font-size: 14px; }
.catalog-jump a:hover { color: var(--fg); border-color: var(--color-accent); }
.catalog-overview { padding: 28px 0 0; }
.catalog-note { border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px;
  background: var(--bg-subtle); color: var(--fg-secondary); font-size: 16px; line-height: 1.6; }
.catalog-note b { color: var(--fg); }
.catalog-shell { padding: 32px 0 72px; }
.catalog-family { padding: 34px 0 42px; border-top: 1px solid var(--border); }
.catalog-family:first-child { border-top: 0; padding-top: 0; }
.catalog-family-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 450px);
  gap: 36px; align-items: center; margin-bottom: 24px; }
.catalog-copy .eyebrow { margin: 0 0 10px; font-family: ui-monospace, "Geist Mono", monospace;
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent-deep); }
.catalog-copy h2 { margin: 0; font-size: clamp(30px, 3.5vw, 44px); line-height: 1.06; letter-spacing: 0; }
.catalog-copy p { margin: 14px 0 0; max-width: 68ch; color: var(--fg-secondary); font-size: 18px; line-height: 1.62; }
.catalog-kpis { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.catalog-kpis span { border: 1px solid var(--border-strong); border-radius: 999px; padding: 7px 12px;
  color: var(--fg-secondary); font-size: 13px; background: var(--bg-elevated); }
.catalog-copy .catalog-source { font-size: 13px; color: var(--fg-muted); line-height: 1.45; }
.catalog-photo-strip { display: grid; gap: 10px; padding: 12px; border: 1px solid var(--border);
  border-radius: 8px; background:
    radial-gradient(120% 120% at 50% 0%, rgba(30, 96, 228, .08), rgba(255,255,255,0) 56%),
    linear-gradient(180deg, #fff, #f8fafc);
  box-shadow: 0 22px 54px rgba(15, 23, 42, .08); }
.catalog-photo-count-1 { grid-template-columns: 1fr; }
.catalog-photo-count-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.catalog-photo-strip img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; display: block;
  border-radius: 6px; background: rgba(255,255,255,.72); mix-blend-mode: multiply; }
/* spinning 3D model in the catalog header (replaces the photo strip) */
.catalog-mv { width: 100%; height: 360px; border: 1px solid var(--border); border-radius: 12px;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(30, 96, 228, .10), rgba(255,255,255,0) 58%),
    linear-gradient(180deg, #ffffff, #eef3fb);
  box-shadow: 0 22px 54px rgba(15, 23, 42, .08); --poster-color: transparent; }
@media (max-width: 760px) { .catalog-mv { height: 300px; max-width: 520px; } }
/* static 3D part render on the catalog INDEX (light; spinning model lives on each family page) */
.catalog-render { display: flex; align-items: center; justify-content: center; height: 360px; padding: 18px;
  border: 1px solid var(--border); border-radius: 12px;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(30, 96, 228, .10), rgba(255,255,255,0) 58%),
    linear-gradient(180deg, #ffffff, #eef3fb);
  box-shadow: 0 22px 54px rgba(15, 23, 42, .08); }
.catalog-render img { max-width: 92%; max-height: 100%; object-fit: contain; }
@media (max-width: 760px) { .catalog-render { height: 300px; max-width: 520px; } }
.catalog-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-elevated); box-shadow: 0 12px 30px rgba(15, 23, 42, .045); }
.catalog-table { width: 100%; min-width: 850px; border-collapse: collapse; font-size: 15px; line-height: 1.45; }
.catalog-table th { position: sticky; top: 0; z-index: 1; text-align: left; padding: 12px 14px;
  background: #101820; color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.catalog-table td { padding: 12px 14px; border-top: 1px solid var(--border); color: var(--fg-secondary); vertical-align: middle; }
.catalog-table tbody tr:nth-child(even) td { background: var(--bg-subtle); }
.catalog-table tbody tr:hover td { background: var(--color-accent-tint); }
.catalog-table .sku { font-family: ui-monospace, "Geist Mono", monospace; font-weight: 600;
  color: var(--color-accent-deep); white-space: nowrap; }
.catalog-table .desc { color: var(--fg); min-width: 250px; }
.catalog-table .price { color: var(--fg); font-weight: 700; white-space: nowrap; }
.catalog-table .act { white-space: nowrap; display: flex; flex-direction: column; gap: 7px; align-items: flex-end; }
.catalog-table .act .btn { min-width: 116px; justify-content: center; }
/* Free samples — lighter accent pill paired under Order Now */
.shop-sample { background: var(--color-accent-tint); color: var(--color-accent-deep); border: 1px solid transparent; }
.shop-sample:hover { background: #dCe8fd; color: var(--color-accent-deep); }
/* subtle glow so both actions read as pressable */
.catalog-table .act .shop-order, .catalog-table .act .shop-sample {
  box-shadow: 0 2px 12px rgba(30,96,228,0.18);
  transition: box-shadow var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.catalog-table .act .shop-order:hover, .catalog-table .act .shop-sample:hover {
  box-shadow: 0 6px 20px rgba(30,96,228,0.30); transform: translateY(-1px); }
.catalog-more { margin: 14px 0 0; font-size: 15px; }
.catalog-more a { color: var(--color-accent-deep); font-weight: 600; }

@media (max-width: 900px) {
  .catalog-family-grid { grid-template-columns: 1fr; gap: 22px; }
  .catalog-photo-strip { max-width: 520px; }
}
@media (max-width: 640px) {
  .catalog-photo-count-3 { grid-template-columns: 1fr; }
  .catalog-copy h2 { font-size: 30px; }
  .catalog-copy p { font-size: 16px; }
  .catalog-table-wrap { overflow: visible; }
  .catalog-table { min-width: 0; font-size: 14px; }
  .catalog-table thead { display: none; }
  .catalog-table,
  .catalog-table tbody,
  .catalog-table tr,
  .catalog-table td { display: block; width: 100%; }
  .catalog-table tr { border-top: 1px solid var(--border); padding: 12px 0; }
  .catalog-table tr:first-child { border-top: 0; }
  .catalog-table td { border-top: 0; padding: 5px 16px 5px 132px; position: relative; min-height: 30px; }
  .catalog-table td::before { position: absolute; left: 16px; top: 6px; width: 104px;
    color: var(--fg-muted); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
  .catalog-table td:nth-child(1)::before { content: "SKU"; }
  .catalog-table td:nth-child(2)::before { content: "Description"; }
  .catalog-table td:nth-child(3)::before { content: "Tube / fit OD"; }
  .catalog-table td:nth-child(4)::before { content: "Color"; }
  .catalog-table td:nth-child(5)::before { content: "Material"; }
  .catalog-table td:nth-child(6)::before { content: "List $/ea"; }
  .catalog-table td:nth-child(7)::before { content: ""; }
  .catalog-table .desc { min-width: 0; }
  .catalog-table .act { text-align: left; padding-top: 10px; }
  .catalog-table .act .btn { width: 100%; }
}

/* ============================================================================
   HOMEPAGE DARK REDESIGN — every selector below is scoped under body.home.
   The rest of the site (450+ pages) shares this stylesheet and must render
   pixel-identical; nothing here may leak outside body.home.
   ============================================================================ */

/* ---- page base ---- */
body.home { background: #0A0B10; }

body.home #why { padding: 88px 0; }

/* ---- film grain on dark sections (kills gradient banding) ---- */
body.home .grain { position: relative; }
body.home .grain::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  opacity: 0.04; mix-blend-mode: overlay;
}
body.home .grain > .shell, body.home .grain > .hero-grid { position: relative; z-index: 1; }

/* ---- homepage nav uses the shared glass nav on every section ---- */
body.home .nav { transition: background var(--dur-slow) var(--ease-out), border-color var(--dur-slow) var(--ease-out),
              box-shadow var(--dur-slow) var(--ease-out); }
body.home .nav:not(.over-hero), body.home .nav.over-hero {
  background: rgba(15,17,24,0.76);
  border-color: rgba(255,255,255,0.10);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 10px 36px rgba(0,0,0,0.40);
}
body.home .nav:not(.over-hero) .brand .wordmark b,
body.home .nav.over-hero .brand .wordmark b { color: #FFFFFF; }
body.home .nav:not(.over-hero) .brand .wordmark small,
body.home .nav.over-hero .brand .wordmark small { color: rgba(255,255,255,0.52); }
body.home .nav:not(.over-hero) .nav-links a:not(.btn),
body.home .nav.over-hero .nav-links a:not(.btn) { color: rgba(255,255,255,0.78); }
body.home .nav:not(.over-hero) .nav-links a:not(.btn):hover,
body.home .nav.over-hero .nav-links a:not(.btn):hover {
  color: #FFFFFF; background: rgba(255,255,255,0.06);
}
body.home .nav:not(.over-hero) .dd,
body.home .nav.over-hero .dd {
  background: var(--bg-elevated); border-color: var(--border); box-shadow: 0 18px 44px rgba(0,0,0,0.5);
}

/* GLASS state over the dark hero */
body.home .nav.over-hero {
  background: rgba(15,17,24,0.55);
  border-color: rgba(255,255,255,0.10);
  -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 10px 36px rgba(0,0,0,0.40);
}
body.home .nav.over-hero .nav-links a:not(.btn) { color: rgba(255,255,255,0.78); }
body.home .nav.over-hero .nav-links a:not(.btn):hover {
  color: #FFFFFF; background: rgba(255,255,255,0.06);
  text-shadow: 0 2px 14px rgba(30,96,228,0.85);
}
body.home .nav.over-hero .brand .wordmark b { color: #FFFFFF; }

/* ---- dark hero ---- */
body.home .hero-dark {
  position: relative; overflow: hidden; isolation: isolate;
  background: linear-gradient(180deg, #07080D 0%, #0A0B10 70%, #0A0B10 100%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: calc(var(--header-height) + 108px) 0 96px;
}
body.home .hero-dark .spot {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(620px 620px at var(--sx, 68%) var(--sy, 40%),
    rgba(30,96,228,0.17), rgba(30,96,228,0.05) 42%, transparent 70%);
}
body.home .hero-grid { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: 48px; align-items: center; }
body.home .hero-content { position: relative; z-index: 2; }

body.home .hero-h1 { font-size: clamp(34px, 4.5vw, 60px); line-height: 1.06; letter-spacing: -0.03em; max-width: none; }
body.home .hero-h1 .hl {
  display: block; white-space: nowrap; width: max-content; max-width: 100%;
  background: linear-gradient(180deg, #FFFFFF 28%, #B9C0CF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0; transform: translateY(16px);
  animation: hlIn 0.8s var(--ease-out) forwards;
}
body.home .hero-h1 .hl:nth-child(2) { animation-delay: 0.12s; }
body.home .hero-h1 .hl:nth-child(3) { animation-delay: 0.24s; }
body.home .hero-content .lead,
body.home .hero-content .hero-cta,
body.home .hero-content .note {
  opacity: 0; transform: translateY(12px); animation: hlIn 0.8s var(--ease-out) forwards;
}
body.home .hero-content .lead { animation-delay: 0.36s; margin-top: 22px; font-size: 19px; color: rgba(255,255,255,0.66); }
body.home .hero-content .hero-cta { animation-delay: 0.46s; }
body.home .hero-content .note { animation-delay: 0.56s; color: rgba(255,255,255,0.45); }
body.home .hero-content .note b { color: #FFFFFF; }
@keyframes hlIn { to { opacity: 1; transform: none; } }

/* hero 3D subject */
body.home .hero-model { position: relative; z-index: 2; }
body.home .hero-model model-viewer { height: 440px; }

/* price chip — pinned to the part */
body.home .price-chip {
  position: absolute; top: 6%; right: 0; z-index: 3;
  display: inline-flex; align-items: baseline; gap: 7px;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0; line-height: 1;
  color: #FFFFFF; padding: 10px 16px; border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(15,17,24,0.55);
  -webkit-backdrop-filter: blur(14px) saturate(150%); backdrop-filter: blur(14px) saturate(150%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  transition: border-color var(--dur-fast) var(--ease-out);
}
body.home .price-chip:hover { border-color: rgba(91,140,240,0.65); }
body.home .price-chip .pc-dim { color: rgba(255,255,255,0.52); }
body.home .price-chip .pc-arrow { color: #5B8CF0; }
body.home .price-chip.tick { animation: chipTick 0.45s var(--ease-out); }
@keyframes chipTick {
  0% { transform: scale(1); }
  35% { transform: scale(1.05); border-color: rgba(91,140,240,0.8); }
  100% { transform: scale(1); }
}

/* material swatches */
body.home .swatches { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 6px; position: relative; z-index: 3; }
body.home .swatch {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0; line-height: 1;
  color: rgba(255,255,255,0.62); padding: 8px 13px; border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.03);
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}
body.home .swatch:hover { color: #FFFFFF; border-color: rgba(255,255,255,0.28); }
body.home .swatch.is-on { color: #FFFFFF; border-color: rgba(91,140,240,0.7); background: rgba(30,96,228,0.12); }
body.home .swatch:focus-visible { outline: 2px solid #5B8CF0; outline-offset: 2px; }
body.home .swatch .dot { width: 11px; height: 11px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.25); flex: none; }

/* ---- trust strip under the hero (homepage only) ---- */
body.home .trust-band { background: #0A0B10; padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06); }
body.home .trust-line { display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 6px 14px; margin: 0; font-family: var(--font-mono); font-size: 12px; letter-spacing: .05em;
  color: rgba(255,255,255,0.46); }
body.home .trust-line i { font-style: normal; color: rgba(255,255,255,0.20); }

/* ---- family array (dark) ---- */
body.home .family-array {
  position: relative; isolation: isolate;
  background: #0A0B10;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 110px 0 120px;
}
body.home .family-array .section-head h2 { color: #FFFFFF; }
body.home .family-array .section-head .muted { color: rgba(255,255,255,0.55); }
body.home .fam { margin-top: 56px; }
body.home .fam:first-of-type { margin-top: 0; }
body.home .fam-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 12px;
}
body.home .fam-head h3 { color: #FFFFFF; font-size: 21px; letter-spacing: -0.015em; }
body.home .fam-from { font-family: var(--font-mono); font-size: 13px; color: #8FB0F5; white-space: nowrap; }
body.home .fam-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(205px, 1fr)); gap: 16px; margin-top: 18px; }
body.home .fam-card {
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.025);
  transition: border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
body.home .fam-card:hover { border-color: rgba(91,140,240,0.5); background: rgba(255,255,255,0.05); transform: translateY(-3px); }
body.home .fam-art { height: 168px; }
body.home .fam-art model-viewer { width: 100%; height: 100%; background: transparent; --poster-color: transparent; pointer-events: none; }
body.home .fam-meta { display: flex; flex-direction: column; gap: 4px; padding: 10px 16px 15px; }
body.home .fam-meta b { color: #FFFFFF; font-weight: var(--weight-medium); font-size: 15px; letter-spacing: -0.01em; }
body.home .fam-meta .fam-price { font-family: var(--font-mono); font-size: 11.5px; color: rgba(255,255,255,0.48); white-space: nowrap; }
/* gentle stagger inside each family row */
body.home .fam-grid .fam-card.reveal { transition-delay: 0s; }
body.home .fam-grid .fam-card.reveal:nth-child(2) { transition-delay: 0.07s; }
body.home .fam-grid .fam-card.reveal:nth-child(3) { transition-delay: 0.14s; }
body.home .fam-grid .fam-card.reveal:nth-child(4) { transition-delay: 0.21s; }

/* ---- dark CTA band ---- */
body.home .cta-dark {
  position: relative; isolation: isolate;
  background: radial-gradient(80% 100% at 50% 0%, #0D1322 0%, #0A0B10 60%);
  border-top: 1px solid rgba(255,255,255,0.06);
}
body.home .cta-dark .cta-band h2 { color: #FFFFFF; }
body.home .cta-dark .cta-band .lead { color: rgba(255,255,255,0.62); }

/* footer hairline against the dark band above */
body.home .site-footer { border-top-color: #2A2A31; }

/* ---- responsive ---- */
@media (max-width: 900px) {
  body.home .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  body.home .hero-dark { padding: calc(var(--header-height) + 72px) 0 72px; }
  body.home .hero-model model-viewer { height: 320px; }
  body.home .price-chip { top: 2%; right: 2%; }
}
@media (max-width: 860px) {
  body.home .nav { top: 8px; width: calc(100% - 16px); }
  body.home .nav-inner { padding: 0 8px 0 18px; }
  body.home .nav-toggle { border-color: rgba(255,255,255,0.16); background: rgba(255,255,255,0.05); color: #FFFFFF; }
  body.home .nav:not(.over-hero) .nav-toggle { border-color: rgba(255,255,255,0.16); background: rgba(255,255,255,0.05); color: #FFFFFF; }
  body.home .nav-links.open {
    top: calc(100% + 8px); left: 0; right: 0; border-radius: 22px;
    background: rgba(10,11,16,0.97);
    -webkit-backdrop-filter: blur(20px) saturate(150%); backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255,255,255,0.12); border-bottom: 1px solid rgba(255,255,255,0.12);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 18px 50px rgba(0,0,0,0.5);
    max-height: calc(100vh - 96px); overflow: auto;
  }
  body.home .nav:not(.over-hero) .nav-links.open a:not(.btn) { color: rgba(255,255,255,0.78); }
  body.home .nav:not(.over-hero) .nav-links.open .dd-label { color: rgba(255,255,255,0.42); }
}
@media (max-width: 600px) {
  body.home .price-chip { position: static; margin: 4px auto 10px; display: flex; width: max-content; }
  body.home .fam-grid { grid-template-columns: 1fr 1fr; }
  body.home .fam-art { height: 140px; }
}

/* ---- quote demo (dark, between "why" and the family array) ----
   Choreographed by assets/demo.js. Reuses the quote tool's .status/.spinner/
   .result/.iq-card classes (dark default tokens apply); everything new below
   is body.home-scoped + qd-prefixed so nothing leaks to the other pages. */
body.home .quote-demo {
  position: relative; isolation: isolate;
  background: #0A0B10;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 104px 0 96px;
}
body.home .quote-demo .section-head h2 { color: #FFFFFF; }
body.home .quote-demo .section-head .muted { color: rgba(255,255,255,0.55); }

body.home .qd-stage { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 44px; align-items: start; }
body.home .qd-flow { min-width: 0; }

/* mini dropzone — same dashed language as the real quote dropzone */
body.home .qd-dz {
  position: relative; border: 1.5px dashed var(--border-strong); border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.02); padding: 26px 22px 22px; text-align: center;
  transition: border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
body.home .qd-dz.drag { border-color: var(--color-accent); background: rgba(30,96,228,0.07); }
body.home .qd-dz-hint { margin-top: 12px; font-size: 13px; color: rgba(255,255,255,0.38); }
body.home .qd-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0; line-height: 1;
  color: #FFFFFF; padding: 10px 16px; border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.14); background: rgba(255,255,255,0.05);
  transform: translateY(-46px); opacity: 0;
  transition: transform 0.55s var(--ease-out), opacity 0.4s var(--ease-out);
}
body.home .qd-chip svg { color: var(--color-accent); flex: none; }
body.home .qd-chip .qd-chip-size { font-style: normal; color: rgba(255,255,255,0.42); }
body.home .qd-chip.qd-dock { transform: translateY(0); opacity: 1; }

/* the two inputs the instant price needs — never personal fields */
body.home .qd-inputs { display: none; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
body.home .qd-inputs.qd-vis { display: flex; }
body.home .qd-input {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; line-height: 1;
  color: rgba(255,255,255,0.55); padding: 9px 14px; border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.03);
  transition: color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}
body.home .qd-input .qd-k { font-style: normal; color: rgba(255,255,255,0.32); text-transform: uppercase; letter-spacing: .06em; font-size: 10px; }
body.home .qd-input.qd-on { color: #FFFFFF; border-color: rgba(91,140,240,0.7); background: rgba(30,96,228,0.12); }

/* instant-quote card slides in (same .iq-card classes as the live tool) */
body.home .qd-quote { margin-top: 18px; opacity: 0; transform: translateY(16px); transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out); }
body.home .qd-quote.qd-in { opacity: 1; transform: none; }
body.home .qd-quote .iq-from { font-family: var(--font-mono); font-size: 13px; color: rgba(255,255,255,0.5); }
body.home .quote-demo .status { margin-top: 18px; }
body.home .quote-demo .result { margin-top: 18px; background: rgba(255,255,255,0.02); }

/* the analyzed part, fading in beside the numbers */
body.home .qd-model { position: relative; opacity: 0; transform: translateY(10px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
body.home .qd-model.qd-in { opacity: 1; transform: none; }
body.home .qd-model model-viewer { width: 100%; height: 380px; background: transparent; --poster-color: transparent; pointer-events: none; }
body.home .qd-model-tag { display: block; text-align: center; font-family: var(--font-mono); font-size: 11.5px; color: rgba(255,255,255,0.38); margin-top: 4px; }

/* end card: CTA + replay */
body.home .qd-foot { display: flex; align-items: center; gap: 18px; margin-top: 40px; opacity: 0; transition: opacity 0.5s var(--ease-out); }
body.home .qd-foot.qd-vis { opacity: 1; }
body.home .qd-replay {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  font-family: var(--font-mono); font-size: 12px; line-height: 1; letter-spacing: .02em;
  color: rgba(255,255,255,0.5); background: none; border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-pill); padding: 10px 16px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
body.home .qd-replay:hover { color: #FFFFFF; border-color: rgba(255,255,255,0.3); }
body.home .qd-replay:focus-visible { outline: 2px solid #5B8CF0; outline-offset: 2px; }

@media (max-width: 900px) {
  body.home .qd-stage { grid-template-columns: 1fr; gap: 18px; }
  body.home .qd-model model-viewer { height: 240px; }
  body.home .quote-demo { padding: 72px 0; }
}
@media (max-width: 600px) {
  body.home .qd-foot { flex-wrap: wrap; }
}

/* ---- reduced motion: no entrance animation, static spotlight, no tick ---- */
@media (prefers-reduced-motion: reduce) {
  body.home .hero-h1 .hl,
  body.home .hero-content .lead,
  body.home .hero-content .hero-cta,
  body.home .hero-content .note { animation: none; opacity: 1; transform: none; }
  body.home .price-chip.tick { animation: none; }
  body.home .hero-dark .spot { background: radial-gradient(620px 620px at 68% 40%, rgba(30,96,228,0.14), rgba(30,96,228,0.04) 42%, transparent 70%); }
  body.home .fam-card { transition: none; }
  body.home .qd-chip, body.home .qd-quote, body.home .qd-model, body.home .qd-foot,
  body.home .qd-input, body.home .qd-dz { transition: none; }
}

/* ============================================================================
   HOMEPAGE LIGHT RESTORE — keep homepage-specific structure/animation hooks,
   but render it in the same white Emersion design system as the rest of site.
   ============================================================================ */
body.home { background: var(--bg); }

body.home .grain::after { opacity: 0; }
body.home .grain > .shell,
body.home .grain > .hero-grid { position: relative; z-index: 1; }

body.home .nav,
body.home .nav:not(.over-hero),
body.home .nav.over-hero {
  background: rgba(255,255,255,0.88);
  border-color: var(--border);
  box-shadow: 0 10px 32px rgba(0,0,0,0.07);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
}
body.home .nav:not(.over-hero) .brand .wordmark b,
body.home .nav.over-hero .brand .wordmark b { color: var(--fg); }
body.home .nav:not(.over-hero) .brand .wordmark small,
body.home .nav.over-hero .brand .wordmark small { color: var(--fg-muted); }
body.home .nav:not(.over-hero) .nav-links a:not(.btn),
body.home .nav.over-hero .nav-links a:not(.btn) { color: var(--fg-secondary); }
body.home .nav:not(.over-hero) .nav-links a:not(.btn):hover,
body.home .nav.over-hero .nav-links a:not(.btn):hover {
  color: var(--fg);
  background: var(--bg-inset);
  text-shadow: none;
}
body.home .nav:not(.over-hero) .dd,
body.home .nav.over-hero .dd {
  background: var(--bg-elevated);
  border-color: var(--border);
  box-shadow: 0 18px 44px rgba(0,0,0,0.08);
}

body.home .hero-dark {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 70%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border);
}
body.home .hero-dark .spot {
  background: radial-gradient(720px 520px at var(--sx, 68%) var(--sy, 40%),
    rgba(30,96,228,0.16), rgba(30,96,228,0.05) 42%, transparent 72%);
}
body.home .hero-h1 { font-size: clamp(38px, 4.8vw, 66px); line-height: 1.08; }
body.home .hero-h1 .hl {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  color: var(--fg);
}
body.home .hero-content .lead {
  font-size: 21px;
  line-height: 1.66;
  color: var(--fg-secondary);
}
body.home .hero-content .note { color: var(--fg-muted); }
body.home .hero-content .note b { color: var(--fg); }

body.home .price-chip {
  color: var(--fg);
  border-color: var(--border);
  background: rgba(255,255,255,0.84);
  box-shadow: 0 10px 28px rgba(0,0,0,0.08);
}
body.home .price-chip .pc-dim { color: var(--fg-muted); }
body.home .price-chip .pc-arrow { color: var(--color-accent); }
body.home .price-chip:hover { border-color: var(--color-accent); }

body.home .swatch {
  color: var(--fg-secondary);
  border-color: var(--border);
  background: var(--bg-elevated);
}
body.home .swatch:hover { color: var(--fg); border-color: var(--border-strong); }
body.home .swatch.is-on {
  color: var(--color-accent-deep);
  border-color: transparent;
  background: var(--color-accent-tint);
}
body.home .swatch .dot { border-color: rgba(0,0,0,0.18); }

body.home .trust-band {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
body.home .trust-line { color: var(--fg-secondary); }
body.home .trust-line i { color: var(--fg-muted); }

body.home .family-array {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
body.home .family-array .section-head h2,
body.home .fam-head h3 { color: var(--fg); }
body.home .family-array .section-head .muted { color: var(--fg-secondary); }
body.home .fam-head { border-bottom-color: var(--border); }
body.home .fam-from { color: var(--color-accent); }
body.home .fam-card {
  border-color: var(--border);
  background: var(--bg-elevated);
}
body.home .fam-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-elevated);
}
body.home .fam-meta b { color: var(--fg); }
body.home .fam-meta .fam-price { color: var(--fg-muted); }

body.home .cta-dark {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
body.home .cta-dark .cta-band h2 { color: var(--fg); }
body.home .cta-dark .cta-band .lead { color: var(--fg-secondary); }
body.home .site-footer { border-top-color: var(--border); }

body.home .quote-demo {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
body.home .quote-demo .section-head h2 { color: var(--fg); }
body.home .quote-demo .section-head .muted { color: var(--fg-secondary); }
body.home .qd-dz {
  border-color: var(--border-strong);
  background: var(--bg-subtle);
}
body.home .qd-dz.drag { border-color: var(--color-accent); background: var(--color-accent-tint); }
body.home .qd-dz-hint { color: var(--fg-muted); }
body.home .qd-chip {
  color: var(--fg);
  border-color: var(--border);
  background: var(--bg-elevated);
}
body.home .qd-chip .qd-chip-size { color: var(--fg-muted); }
body.home .qd-input {
  color: var(--fg-secondary);
  border-color: var(--border);
  background: var(--bg-elevated);
}
body.home .qd-input .qd-k { color: var(--fg-muted); }
body.home .qd-input.qd-on {
  color: var(--color-accent-deep);
  border-color: transparent;
  background: var(--color-accent-tint);
}
body.home .qd-quote .iq-from { color: var(--fg-muted); }
body.home .quote-demo .result { background: var(--bg-elevated); }
body.home .qd-model-tag { color: var(--fg-muted); }
body.home .qd-replay {
  color: var(--fg-secondary);
  border-color: var(--border);
  background: var(--bg-elevated);
}
body.home .qd-replay:hover { color: var(--fg); border-color: var(--border-strong); }

@media (max-width: 860px) {
  body.home .nav-toggle,
  body.home .nav:not(.over-hero) .nav-toggle {
    border-color: var(--border);
    background: var(--bg-elevated);
    color: var(--fg);
  }
  body.home .nav-links.open {
    background: rgba(255,255,255,0.97);
    border-color: var(--border);
    border-bottom-color: var(--border);
    box-shadow: 0 18px 50px rgba(0,0,0,0.10);
  }
  body.home .nav:not(.over-hero) .nav-links.open a:not(.btn) { color: var(--fg-secondary); }
  body.home .nav:not(.over-hero) .nav-links.open .dd-label { color: var(--fg-muted); }
}

/* ============================================================================
   Signature hero — Three.js light-studio canvas (homepage only)
   Full-bleed stage behind the hero copy. The <model-viewer> stays in the DOM
   as the no-WebGL fallback and is hidden once .is-3d is set by hero3d.js.
   ============================================================================ */
body.home .hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 1; display: none; opacity: 0; pointer-events: none;
  transition: opacity 700ms var(--ease-out);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 84%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 0%, #000 84%, transparent 100%);
}
body.home .hero-dark.is-3d .hero-canvas { display: block; opacity: 1; }
body.home .hero-dark.is-3d .spot { display: none; }
body.home .hero-dark.is-3d .mv-wrap { visibility: hidden; }   /* hold layout, hide pixels */
body.home .hero-dark.is-3d .price-chip,
body.home .hero-dark.is-3d .swatches { z-index: 3; }