/* Triton Concept — Precision Instrument, two-register system.
   Tokens are MEASURED from verified brand assets (design plan §2). */

:root {
  --red: #a21c0d;
  --red-deep: #802015;
  --ink: #0e0f10;
  --ink-2: #16181a;
  --ink-3: #1d2023;
  --paper: #f6f5f3;
  --paper-2: #eceae6;
  --charcoal: #373737;
  --metal: #6d6b5f;
  --metal-2: #77766a;
  --line: rgba(255, 255, 255, 0.14);
  --line-ink: rgba(14, 15, 16, 0.14);
  --text-dim: rgba(255, 255, 255, 0.72);
  --wrap: 1160px;
  --s1: clamp(0.75rem, 1.5vw, 1.25rem);
  --s2: clamp(1.25rem, 2.5vw, 2rem);
  --s3: clamp(2rem, 4vw, 3.5rem);
  --s4: clamp(3rem, 6vw, 5.5rem);
}

/* reset-lite */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink); color: #fff; font-family: var(--font-text); line-height: 1.55; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
button { font: inherit; }

/* cross-document View Transitions — progressive, same-origin by spec; normal nav otherwise */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation-duration: 160ms; }
::view-transition-new(root) { animation-duration: 200ms; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.band { }
.band-ink { background: var(--ink); color: #fff; }
.band-paper { background: var(--paper); color: var(--ink); }
.section-pad { padding-block: var(--s3); }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--red); color: #fff; padding: 0.6rem 1rem; z-index: 50; }
.skip-link:focus { left: 0; }

/* ---------- header ---------- */
.site-header { background: var(--ink); border-bottom: 1px solid var(--line); }
.utility-row { display: flex; justify-content: space-between; align-items: center; gap: 0.3rem 1rem; flex-wrap: wrap; padding-block: 0.4rem; border-bottom: 1px solid rgba(255, 255, 255, 0.07); font-size: 0.78rem; color: var(--text-dim); }
.utility-contact { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.udot { color: var(--metal-2); }
.ulink { text-decoration: none; }
.ulink:hover, .link:hover { text-decoration: underline; }
.concept-id { font-size: 0.66rem; letter-spacing: 0.22em; color: var(--metal-2); text-transform: uppercase; white-space: nowrap; }
.util-wtb { font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--metal-2); text-decoration: none; white-space: nowrap; }
.util-wtb::before { content: ""; display: inline-block; width: 6px; height: 6px; background: var(--red); transform: rotate(45deg); margin-right: 0.5rem; vertical-align: middle; }
.util-wtb:hover { color: #fff; }
.nav-wtb-mobile { display: none; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 0.85rem; }
.brand img { width: 200px; height: auto; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: #fff; padding: 0.45rem 0.9rem; border-radius: 3px; }
.nav-list { display: flex; gap: clamp(0.8rem, 2vw, 1.6rem); align-items: center; }
.nav-list a, .nav-sub-toggle { color: #fff; text-decoration: none; font-size: 0.86rem; letter-spacing: 0.06em; text-transform: uppercase; background: none; border: 0; padding: 0.35rem 0; cursor: pointer; }
.nav-list a:hover, .nav-sub-toggle:hover { color: var(--metal-2); }
.nav-cta { border: 1px solid var(--red); padding: 0.45rem 1rem !important; border-radius: 3px; }
.nav-cta:hover { background: var(--red); color: #fff !important; }
.nav-sub { position: relative; }
.nav-sub-list { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: var(--ink-2); border: 1px solid var(--line); border-radius: 4px; min-width: 190px; padding: 0.4rem 0; display: none; z-index: 40; }
.nav-sub[data-open] .nav-sub-list { display: block; }
.nav-sub-list a { display: block; padding: 0.5rem 1rem; text-transform: none; letter-spacing: 0.02em; font-size: 0.9rem; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; isolation: isolate; --mx: 0.5; --my: 0.5; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); grid-template-areas: "copy media" "proof media"; column-gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; min-height: min(86svh, 880px); padding-block: var(--s3); }
.hero-copy { grid-area: copy; align-self: end; }
.hero-proof { grid-area: proof; align-self: start; }
.hero::before { /* engineering hairline field */
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px) 0 0 / 100% 220px,
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px) 0 0 / 220px 100%,
    var(--ink);
}
.hero::after { /* machined glow behind the machine — pointer-responsive (desktop/fine-pointer;
     JS updates --mx/--my; defaults 0.5,0.5 ≈ the original static glow). Background paint only. */
  content: ""; position: absolute; z-index: -1; inset: 0;
  background:
    radial-gradient(16% 20% at calc(var(--mx) * 100%) calc(var(--my) * 100%), rgba(255, 255, 255, 0.05), transparent 72%),
    radial-gradient(42% 55% at calc(64% + (var(--mx) - 0.5) * 16%) calc(54% + (var(--my) - 0.5) * 16%), rgba(119, 118, 106, 0.22), transparent 70%),
    radial-gradient(28% 38% at calc(72% + (var(--mx) - 0.5) * 10%) 60%, rgba(162, 28, 13, 0.13), transparent 70%);
}
.hero-kicker { font-size: 0.8rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--metal-2); margin-bottom: var(--s1); }
.hero h1 { font-family: var(--font-display); font-weight: 800; line-height: 1.02; font-size: clamp(2.5rem, 6.2vw, 4.9rem); letter-spacing: 0.01em; text-transform: uppercase; }
/* "One machine." — brushed-steel treatment (solid fallback first, then metallic
   gradient clip where supported; midtone stays AA-large on --ink). */
.hero h1 .h1-a { display: block; color: #9c9b90;
  background: linear-gradient(176deg, #c4c3b9 0%, #8f8e82 52%, #6f6e62 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero h1 .h1-b { display: block; color: #fff; }
.hero h1 .h1-b::after { content: ""; display: block; width: 84px; height: 4px; background: var(--red); margin-top: 0.5em; }
.hero-lede { margin-top: var(--s2); max-width: 38rem; color: var(--text-dim); font-size: clamp(1rem, 1.4vw, 1.15rem); }
.hero-ctas { display: flex; gap: 0.9rem; margin-top: var(--s2); flex-wrap: wrap; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 0.55rem 1.5rem; margin-top: var(--s2); padding-top: var(--s2); border-top: 1px solid var(--line); }
.hero-proof li { position: relative; padding-left: 1.15rem; font-size: 0.73rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--metal-2); }
.hero-proof li::before { content: ""; position: absolute; left: 0; top: 0.4em; width: 6px; height: 6px; background: var(--red); transform: rotate(45deg); }
.btn { display: inline-block; text-decoration: none; font-size: 0.9rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.85rem 1.6rem; border-radius: 3px; border: 1px solid transparent; }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-deep); }
.btn-ghost { border-color: var(--line); color: #fff; }
.btn-ghost:hover { border-color: var(--metal-2); color: var(--metal-2); }
.hero-media { grid-area: media; position: relative; }
.hero-media img { width: 100%; max-width: 640px; margin-inline: auto; filter: drop-shadow(0 30px 46px rgba(0, 0, 0, 0.55)); }
.hero-ticks { position: absolute; left: -6%; right: -6%; bottom: -2%; height: 1px; background: var(--line); }
.hero-ticks::before { content: ""; position: absolute; inset: -5px 0 auto 0; height: 11px;
  background: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 56px); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: var(--s2); padding-block: var(--s3); }
.footer-brand img { width: 220px; }
.footer-desc { color: var(--text-dim); margin-top: 0.8rem; font-size: 0.92rem; }
.footer-h { font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--metal-2); margin-bottom: 0.8rem; }
.footer-nav a { color: var(--text-dim); text-decoration: none; font-size: 0.95rem; display: inline-block; padding-block: 0.22rem; }
.footer-nav a:hover { color: #fff; }
.footer-contact p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 0.8rem; }
.footer-legal { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; border-top: 1px solid rgba(255, 255, 255, 0.07); padding-block: 1rem; font-size: 0.8rem; color: var(--text-dim); }
.footer-legal a { color: var(--text-dim); }
.lede { color: inherit; opacity: 0.85; max-width: 40rem; margin-top: var(--s1); }
.link { color: inherit; }

/* ---------- section primitives (Phase 2) ---------- */
.sec-head { max-width: 46rem; margin-bottom: var(--s3); }
.sec-kicker { font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 0.7rem; }
.band-ink .sec-kicker { color: var(--metal-2); }
.band-paper .sec-kicker { color: var(--red-deep); }
h2 { font-family: var(--font-display); font-weight: 800; line-height: 1.06; font-size: clamp(1.7rem, 3.4vw, 2.9rem); letter-spacing: 0.01em; }
h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; line-height: 1.2; }
.sec-lede { font-size: clamp(1rem, 1.3vw, 1.12rem); margin-top: 0.9rem; }
.band-ink .sec-lede { color: var(--text-dim); }
.band-paper .sec-lede { color: #42413c; }
.sec-note { margin-top: 1.2rem; font-size: 0.95rem; }
.band-paper .sec-note { color: #42413c; }
.link-arrow { display: inline-block; font-weight: 600; text-decoration: none; color: var(--red); }
.band-paper .link-arrow { color: var(--red-deep); }
.link-arrow::after { content: " \2192"; }
.link-arrow:hover { text-decoration: underline; }

/* split rows */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.split-media img { width: 100%; border-radius: 6px; }
.band-paper .split-media img { box-shadow: 0 18px 40px rgba(14,15,16,0.12); }
.split-reverse .split-copy { order: 2; }

/* editions */
.edition-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 2rem); }
.edition-card { background: #fff; border: 1px solid var(--line-ink); border-radius: 8px; padding: 1.25rem; display: flex; flex-direction: column; }
.edition-shot { background: var(--paper-2); border-radius: 6px; overflow: hidden; margin-bottom: 1.1rem; }
.edition-shot img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.edition-card h3 { margin-bottom: 0.4rem; }
.edition-card p { color: #42413c; font-size: 0.96rem; flex: 1; }
.edition-card .link-arrow { margin-top: 0.9rem; }

/* capability grid */
.cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.6rem; margin-top: var(--s2); }
.cap-grid li { font-size: 0.94rem; color: var(--text-dim); border-top: 1px solid var(--line); padding-top: 0.7rem; }
.cap-grid li span { display: block; color: #fff; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 0.2rem; }

/* jaw list */
.jaw-list { margin-top: var(--s2); display: grid; gap: 0.7rem; }
.jaw-list li { color: #42413c; font-size: 0.96rem; padding-left: 1.15rem; position: relative; }
.jaw-list li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 6px; height: 6px; background: var(--red); transform: rotate(45deg); }
.jaw-list strong { color: var(--ink); }

/* mini cards */
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 1.8rem); }
.mini-card { border: 1px solid var(--line); border-radius: 8px; padding: 1.4rem; background: var(--ink-2); }
.mini-card h3 { margin-bottom: 0.6rem; }
.mini-card p { color: var(--text-dim); font-size: 0.96rem; }

/* evolution track */
.evo-track { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 3vw, 2.5rem); align-items: start; counter-reset: evo; }
.evo-step { text-align: center; }
.evo-step figure { background: #fff; border: 1px solid var(--line-ink); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; }
.evo-step figure img { width: 100%; max-width: 260px; margin-inline: auto; aspect-ratio: 1 / 1; object-fit: contain; }
.evo-step h3 { margin-bottom: 0.4rem; }
.evo-step p { color: #42413c; font-size: 0.94rem; }
.evo-arrow { position: relative; }
.evo-arrow::before { content: "\2192"; position: absolute; left: -1.2rem; top: 40%; transform: translateX(-50%); color: var(--red); font-size: 1.4rem; }

/* support */
.support-list { margin-top: var(--s2); display: grid; gap: 1.1rem; }
.support-list li { border-top: 1px solid var(--line); padding-top: 0.8rem; color: var(--text-dim); font-size: 0.96rem; }
.support-list li span { display: block; color: #fff; font-weight: 600; margin-bottom: 0.25rem; }
.op-card { border: 1px solid var(--line); border-radius: 10px; padding: 1.8rem; background: var(--ink-2); }
.op-card p { color: var(--text-dim); margin-bottom: 1rem; }
/* mini-card + op-card always sit on --ink-2 regardless of band — keep their
   headings light so they stay legible on band-paper sections too (matches the
   .band-paper .support-list span override; card p is already lightened above) */
.mini-card h3, .op-card h3 { color: #fff; }
.op-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.op-note { font-size: 0.85rem; color: var(--metal-2); margin-bottom: 0; }

/* closer */
.closer-wrap { max-width: 40rem; text-align: center; margin-inline: auto; }
.closer .hero-ctas { justify-content: center; }

/* jaw feature — real owner-provided jaw photography (TRJ1 automotive, TRJ5 engraving) */
.jaw-feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.25rem, 3vw, 2.5rem); }
.jaw-card { background: #fff; border: 1px solid var(--line-ink); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.jaw-shot img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; padding: 1.1rem; background: #fff; }
.jaw-card figcaption { padding: 0 1.4rem 1.4rem; }
.jaw-card h3 { margin-bottom: 0.35rem; }
.jaw-card p { color: #42413c; font-size: 0.95rem; }

/* app section — current developer app screenshots + capability callouts */
.app-band .split { align-items: center; }
.app-stores { display: flex; gap: 1.4rem; margin-top: var(--s2); flex-wrap: wrap; }
.app-shots { display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(0.8rem, 2vw, 1.4rem); }
.phone { width: min(210px, 44vw); border: 1px solid var(--line); border-radius: 22px; background: #0a0b0c; padding: 8px; box-shadow: 0 22px 44px rgba(0, 0, 0, 0.5); align-self: flex-start; }
.phone img { width: 100%; border-radius: 15px; }
.phone-2 { margin-top: clamp(1.5rem, 5vw, 3.2rem); }

/* two-up maintenance grid */
.mini-grid.two { grid-template-columns: 1fr 1fr; max-width: 46rem; }

/* mobile-only in-menu contact (desktop hidden) */
.nav-mobile-contact { display: none; }

/* ===== Phase 3 — Products interaction layer ===== */
.vh { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* motion signature — a precision tracer rule that draws in on reveal */
.tracer { display: inline-block; vertical-align: middle; width: 2.6rem; height: 2px; margin-left: 0.7rem; border-radius: 2px; background: linear-gradient(90deg, var(--red), var(--metal-2)); transform: scaleX(0); transform-origin: left center; transition: transform 0.7s cubic-bezier(0.6, 0, 0.2, 1); }
.rv-in .tracer { transform: scaleX(1); }

.products-hero h1 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; line-height: 1.03; font-size: clamp(2.2rem, 5vw, 3.8rem); letter-spacing: 0.01em; margin-top: var(--s1); }
.products-hero .hero-lede { max-width: 54rem; }

/* 1 — multi-angle viewer (precision inspection stage + segmented instrument control) */
.viewer { display: grid; grid-template-columns: minmax(0, 1.78fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.viewer-stage { position: relative; aspect-ratio: 1 / 1; background: radial-gradient(62% 62% at 50% 46%, rgba(119, 118, 106, 0.16), transparent 72%), #fff; border: 1px solid var(--line-ink); border-radius: 12px; overflow: hidden; }
.viewer-img { position: absolute; inset: 3%; opacity: 0; transition: opacity 0.35s ease; pointer-events: none; }
.viewer-img.is-active { opacity: 1; }
.viewer-img img { width: 100%; height: 100%; object-fit: contain; }
.viewer-label { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--metal-2); margin-bottom: 0.55rem; }
.viewer-controls { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line-ink); border-radius: 7px; overflow: hidden; background: #fff; }
.viewer-btn { font: inherit; font-size: 0.8rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--ink); background: transparent; border: 0; border-right: 1px solid var(--line-ink); border-radius: 0; padding: 0.7rem 1.05rem; cursor: pointer; transition: background 0.2s, color 0.2s; }
.viewer-btn:last-child { border-right: 0; }
.viewer-btn:hover { background: var(--paper-2); }
.viewer-btn.is-active { background: var(--ink); color: #fff; }
.viewer-caption { margin-top: 1.1rem; color: #42413c; font-size: 0.95rem; }

/* 2 — anatomy callouts */
.anatomy-list { margin-top: var(--s2); display: grid; gap: 0.5rem; }
.anatomy-btn { display: block; width: 100%; text-align: left; font: inherit; color: var(--text-dim); background: var(--ink-2); border: 1px solid var(--line); border-left: 2px solid transparent; border-radius: 6px; padding: 0.7rem 0.9rem; cursor: pointer; font-size: 0.92rem; transition: border-color 0.2s, background 0.2s; }
.anatomy-btn span { display: block; color: #fff; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.8rem; margin-bottom: 0.15rem; }
.anatomy-btn:hover { border-left-color: var(--metal-2); }
.anatomy-btn.is-active { border-left-color: var(--red); background: var(--ink-3); }
.anatomy-figure { position: relative; background: #fff; border: 1px solid var(--line-ink); border-radius: 12px; overflow: hidden; }
.anatomy-figure img { width: 100%; }
.anatomy-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.anatomy-tracer { stroke: var(--red); stroke-width: 2; stroke-linecap: round; opacity: 0; stroke-dasharray: 100; stroke-dashoffset: 100; transition: stroke-dashoffset 0.45s cubic-bezier(0.6, 0, 0.2, 1), opacity 0.2s; vector-effect: non-scaling-stroke; }
.anatomy-tracer.is-on { opacity: 0.9; stroke-dashoffset: 0; }
/* inactive points stay restrained (small, metallic, faint); only the selected one gets the red highlight */
.anatomy-dot { position: absolute; width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px; border-radius: 50%; border: 1.5px solid var(--metal-2); background: rgba(255, 255, 255, 0.45); opacity: 0.5; transition: box-shadow 0.25s, background 0.25s, opacity 0.25s, width 0.2s, height 0.2s, border-color 0.2s; }
.anatomy-figure:hover .anatomy-dot { opacity: 0.72; }
.anatomy-dot.is-on { width: 16px; height: 16px; margin: -8px 0 0 -8px; border-color: var(--red); background: var(--red); opacity: 1; box-shadow: 0 0 0 6px rgba(162, 28, 13, 0.18); }

/* 3 — workbench jaw explorer */
.workbench { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.wb-zoom { position: relative; background: #fff; border: 1px solid var(--line-ink); border-radius: 12px; overflow: hidden; }
.wb-zoom img { width: 100%; display: block; padding: clamp(1rem, 3vw, 2rem); }
.wb-lens { position: absolute; inset: 0; opacity: 0; background-repeat: no-repeat; pointer-events: none; transition: opacity 0.15s; }
.wb-zoom.is-zooming { cursor: zoom-in; }
.wb-zoom.is-zooming .wb-lens { opacity: 1; }
.wb-selector { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.wb-btn { font: inherit; font-size: 0.92rem; font-weight: 600; letter-spacing: 0.05em; color: var(--ink); background: #fff; border: 1px solid var(--line-ink); border-radius: 6px; padding: 0.7rem 1.05rem; min-width: 3.4rem; min-height: 46px; cursor: pointer; transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.1s; }
.wb-btn:hover { border-color: var(--metal); }
.wb-btn:active { transform: translateY(1px); }
.wb-btn.is-active { background: var(--red); color: #fff; border-color: var(--red); }
.wb-info { margin-top: 1.3rem; }
.wb-name { margin-bottom: 0.4rem; }
.wb-app { color: #42413c; font-size: 0.98rem; }
.wb-editions { margin-top: 0.9rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }
.wb-tag { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--red-deep); border: 1px solid var(--red); border-radius: 3px; padding: 0.22rem 0.55rem; }

/* 4 — edition explorer */
.ed-tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; border-bottom: 1px solid var(--line); margin-bottom: var(--s2); }
.ed-tab { font: inherit; font-size: 0.9rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); background: none; border: 0; border-bottom: 2px solid transparent; padding: 0.7rem 1rem; margin-bottom: -1px; cursor: pointer; }
.ed-tab:hover { color: #fff; }
.ed-tab.is-active { color: #fff; border-bottom-color: var(--red); }
.ed-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.ed-panel[hidden] { display: none; }
.ed-shot { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.ed-shot img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.ed-shot-cap { font-size: 0.78rem; color: var(--metal-2); padding: 0.55rem 0.8rem 0.7rem; border-top: 1px solid var(--line); }
.ed-shot-cap b { color: #fff; font-weight: 600; }
.ed-core { display: flex; gap: 0.6rem; align-items: baseline; flex-wrap: wrap; margin-bottom: var(--s2); padding: 0.9rem 1.1rem; border: 1px solid var(--line); border-left: 2px solid var(--red); border-radius: 6px; background: var(--ink-2); }
.ed-core b { color: #fff; font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; }
.ed-core span { color: var(--text-dim); font-size: 0.94rem; }
.ed-body h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.ed-for { color: var(--text-dim); margin-bottom: 1.2rem; }
.ed-h { font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--metal-2); margin: 1.1rem 0 0.4rem; }
.ed-list { display: grid; gap: 0.35rem; }
.ed-list li { color: var(--text-dim); font-size: 0.96rem; padding-left: 1.1rem; position: relative; }
.ed-list li::before { content: ""; position: absolute; left: 0; top: 0.45em; width: 6px; height: 6px; background: var(--red); transform: rotate(45deg); }
.ed-diff { color: #fff; font-size: 0.98rem; }

/* 5 — app scrollytelling */
.scrolly { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 4rem); align-items: start; }
.phone-sticky { position: sticky; top: 12vh; }
.scrolly-inline { display: none; }
.scrolly-steps { display: grid; gap: 20vh; padding: 6vh 0; margin: 0; }
.scrolly-step { transition: opacity 0.3s; }
.scrolly-step:not(.is-active) { opacity: 0.45; }
.scrolly-step h3 { margin-bottom: 0.5rem; }
.scrolly-step p { color: var(--text-dim); }
.scrolly-static { grid-template-columns: 1fr; }
.scrolly-static .scrolly-visual { display: none; }
.scrolly-static .scrolly-inline { display: block; margin-top: 1rem; }
.scrolly-static .scrolly-step:not(.is-active) { opacity: 1; }

/* software downloads */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 1.6rem); }
.dl-card { background: #fff; border: 1px solid var(--line-ink); border-radius: 10px; padding: 1.6rem 1.4rem; display: flex; flex-direction: column; align-items: flex-start; }
.dl-ver { font-family: var(--font-display); font-weight: 800; font-size: 1.9rem; color: var(--ink); line-height: 1; }
.dl-meta { color: #42413c; font-size: 0.92rem; margin-top: 0.6rem; flex: 1; }
.dl-size { color: var(--metal); font-size: 0.82rem; letter-spacing: 0.06em; margin: 0.8rem 0 1.1rem; }
.dl-grid.dl-grid-2 { grid-template-columns: repeat(2, 1fr); max-width: 44rem; }

/* support videos — click-to-load cards (first-party neutral, no thumbnail) */
.vid-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 1.6rem); }
.vid-card { display: flex; flex-direction: column; }
.vid-play { position: relative; aspect-ratio: 16 / 9; width: 100%; border: 1px solid var(--line-ink); border-radius: 8px; background: linear-gradient(160deg, var(--ink-2), var(--ink)); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: border-color 0.2s; }
.vid-play:hover { border-color: var(--red); }
.vid-tri { width: 0; height: 0; border-style: solid; border-width: 13px 0 13px 22px; border-color: transparent transparent transparent #fff; margin-left: 5px; transition: border-left-color 0.2s; }
.vid-play:hover .vid-tri { border-left-color: var(--red); }
.vid-title { margin-top: 0.8rem; font-size: 1rem; color: var(--ink); font-weight: 600; }
.embed-frame { width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 8px; }

/* contact intent cards */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.25rem, 3vw, 2.5rem); }
.contact-card { background: #fff; border: 1px solid var(--line-ink); border-left: 2px solid var(--red); border-radius: 10px; padding: 1.6rem; }
.contact-card h3 { margin-bottom: 0.5rem; }
.contact-card > p { color: #42413c; margin-bottom: 0.4rem; }

/* support-list on paper bands */
.band-paper .support-list li { border-color: var(--line-ink); color: #42413c; }
.band-paper .support-list li span { color: var(--ink); }

/* warranty certificate (verbatim) */
.wrap-narrow { max-width: 62rem; }
.warranty-certificate { margin: 0; background: #fff; border: 1px solid var(--line-ink); border-left: 3px solid var(--red); border-radius: 8px; padding: clamp(1.4rem, 3vw, 2.4rem); color: #2c2b28; font-size: 0.95rem; }
.warranty-certificate p { margin-bottom: 1rem; }
.warranty-certificate strong { color: var(--ink); }
.cert-list { list-style: decimal; padding-left: 1.4rem; margin-bottom: 1rem; display: grid; gap: 0.5rem; }
.cert-list li { color: #42413c; }
.cert-legal { font-size: 0.8rem; color: #56554f; line-height: 1.7; }

/* ---------- focus + motion ---------- */
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
.band-paper :focus-visible { outline-color: var(--red-deep); }

.rv { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.rv.rv-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .rv { opacity: 1; transform: none; }
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1079px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .edition-grid { grid-template-columns: 1fr; max-width: 30rem; margin-inline: auto; }
  .mini-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .evo-track { grid-template-columns: 1fr; max-width: 26rem; margin-inline: auto; }
  .evo-arrow::before { content: "\2193"; left: 50%; top: -1.4rem; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .split-reverse .split-copy { order: 0; }
  .jaw-feature { grid-template-columns: 1fr; max-width: 30rem; margin-inline: auto; }
  .mini-grid.two { grid-template-columns: 1fr; max-width: 30rem; }
  .app-band .split { align-items: start; }
}
@media (max-width: 767px) {
  .utility-contact { display: none; }
  .utility-row { justify-content: flex-end; padding-block: 0.35rem; }
  .nav-toggle { display: block; }
  .header-row { padding-block: 0.6rem; gap: 1rem; }
  .brand img { width: 150px; }
  .nav-list { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--ink-2); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 0.6rem 1.2rem 1rem; gap: 0.15rem; z-index: 45; }
  .site-nav[data-open] .nav-list { display: flex; }
  .site-nav { position: static; }
  .site-header { position: relative; }
  .nav-list a, .nav-sub-toggle { display: block; padding: 0.6rem 0; width: 100%; text-align: left; }
  .nav-sub-list { position: static; transform: none; border: 0; background: transparent; display: none; padding-left: 1rem; }
  .nav-cta { text-align: center; margin-top: 0.4rem; }
  .nav-mobile-contact { display: block; border-top: 1px solid var(--line); margin-top: 0.5rem; padding-top: 0.7rem; line-height: 1.9; }
  .nav-wtb-mobile { display: block; }
  .hero .wrap { grid-template-columns: 1fr; grid-template-areas: "copy" "media" "proof"; min-height: 0; gap: 0; padding-block: var(--s1) var(--s3); }
  .hero-copy { align-self: auto; }
  .hero-proof { align-self: auto; }
  .hero-media { margin-top: var(--s2); }
  .hero-media img { max-width: 340px; }
  .hero-proof { margin-top: var(--s2); }
  .hero-lede { margin-top: var(--s1); }
  .hero h1 { font-size: clamp(2.2rem, 10vw, 3rem); }
  .app-shots { gap: 0.6rem; }
  .phone { width: 42vw; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { justify-content: flex-start; }
}

/* Phase 3 — interaction layer responsive */
@media (max-width: 1023px) {
  .viewer { grid-template-columns: 1fr; }
  .workbench { grid-template-columns: 1fr; }
  .ed-panel { grid-template-columns: 1fr; }
  .dl-grid { grid-template-columns: 1fr; max-width: 26rem; margin-inline: auto; }
  .vid-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .scrolly { grid-template-columns: 1fr; }
  .scrolly-visual { display: none; }
  .scrolly-inline { display: block; margin-top: 1rem; }
  .scrolly-inline img { width: 60vw; max-width: 260px; border: 1px solid var(--line); border-radius: 16px; padding: 6px; background: #0a0b0c; }
  .scrolly-steps { gap: 2.5rem; padding: 0; }
  .scrolly-step:not(.is-active) { opacity: 1; }
  /* mobile rhythm — tighten vertical dead space without hiding content or shrinking text */
  .section-pad { padding-block: clamp(1.6rem, 7vw, 2.3rem); }
  .sec-head { margin-bottom: var(--s2); }
  .viewer, .workbench { gap: 1.2rem; }
  .ed-tabs { margin-bottom: var(--s1); }
  .vid-grid { grid-template-columns: 1fr; }
  .dl-grid.dl-grid-2 { grid-template-columns: 1fr; max-width: 26rem; margin-inline: auto; }
}

/* ===== distributor network (/where-to-buy/) ===== */
.dist-finder { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.dist-search { flex: 1 1 22rem; display: block; }
.dist-search input { width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: #fff; border: 1px solid var(--line-ink); border-radius: 8px; padding: 0.8rem 1rem; }
.dist-search input::placeholder { color: var(--metal); }
.dist-filters { display: inline-flex; flex-wrap: wrap; gap: 0.4rem; }
.dist-filter { font: inherit; font-size: 0.82rem; letter-spacing: 0.04em; color: var(--charcoal); background: #fff; border: 1px solid var(--line-ink); border-radius: 999px; padding: 0.55rem 1.05rem; cursor: pointer; transition: border-color 0.2s, color 0.2s, background 0.2s; }
.dist-filter:hover { border-color: var(--metal); }
.dist-filter.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.dist-status { color: #42413c; font-size: 0.9rem; margin: 0 0 1.4rem; display: flex; align-items: center; gap: 0.9rem; }
.dist-status #dist-count { font-weight: 700; color: var(--ink); }
.dist-reset, .dist-reset-inline { font: inherit; font-size: 0.85rem; color: var(--red-deep); background: none; border: 0; border-bottom: 1px solid currentColor; padding: 0 0 1px; cursor: pointer; }
.dist-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 1.5rem); }
.dist-card { position: relative; display: flex; flex-direction: column; align-items: flex-start; background: #fff; border: 1px solid var(--line-ink); border-top: 3px solid var(--metal-2); border-radius: 10px; padding: 1.5rem 1.4rem; transition: border-color 0.2s, box-shadow 0.25s, transform 0.12s; }
.dist-card:hover { border-top-color: var(--red); box-shadow: 0 14px 34px rgba(14, 15, 16, 0.10); transform: translateY(-2px); }
.dist-card[hidden] { display: none; }
.dist-name { color: var(--ink); font-size: 1.16rem; margin-bottom: 0.35rem; }
.dist-loc { color: var(--charcoal); font-size: 0.92rem; }
.dist-tag { font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; margin: 0.7rem 0 1.1rem; }
.dist-tag-shop { color: var(--red-deep); }
.dist-tag-view { color: var(--metal); }
.dist-cta { margin-top: auto; display: inline-flex; align-items: center; gap: 0.35rem; font-weight: 600; letter-spacing: 0.02em; text-decoration: none; color: var(--ink); border: 1px solid var(--line-ink); border-radius: 6px; padding: 0.62rem 1.05rem; transition: background 0.2s, color 0.2s, border-color 0.2s; }
.dist-cta:hover, .dist-cta:focus-visible { background: var(--red); color: #fff; border-color: var(--red); }
.dist-ext::after { content: " \2197"; }
.dist-noresults { color: #42413c; margin-top: 1.2rem; font-size: 0.98rem; }
@media (max-width: 1023px) { .dist-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .dist-grid { grid-template-columns: 1fr; } .dist-finder { flex-direction: column; align-items: stretch; } .dist-filters { justify-content: flex-start; } }