/* Layout: light industrial. Video hero under a dark scrim, then white and cool-gray bands on a 1200px grid. Signal orange is the only loud color; five step colors code the process and the tests. Footer ends on a full-width wordmark. */
:root {
  --bg: #f4f6f7;
  --paper: #ffffff;
  --ink: #0d1418;
  --ink-2: #2b353c;
  --muted: #5b6670;
  --rule: #e1e6e9;
  --steel: #eef1f3;
  --steel-2: #dde3e7;
  --accent: #e5531f;
  --accent-2: #ff6a3d;
  --accent-ink: #ffffff;
  --s1: #2563eb; --s2: #d99a06; --s3: #7c3aed; --s4: #16884a; --s5: #e5531f;
  --ok: #16884a;
  --focus: #2563eb;
  --surface: #ffffff;
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--font-body); }
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
img, svg, video { max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; text-wrap: balance; letter-spacing: -0.015em; }
p { margin: 0; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.label { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

/* utility + nav */
.util { background: var(--ink); color: #b9c3c9; font-size: 13px; }
.util .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 8px; }
.util b { color: #fff; font-weight: 600; }
.util a { color: #fff; text-decoration: none; }
.util .sep { opacity: 0.4; margin: 0 8px; }
.nav { background: rgba(255,255,255,0.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 40; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); background: #fff; z-index: 41; }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 14px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--font-display); font-weight: 800; font-size: 19px; color: var(--ink); }
.brand svg { width: 30px; height: 30px; flex: none; }
.nav nav { display: flex; align-items: center; gap: 26px; font-size: 15px; }
.nav nav a { text-decoration: none; color: var(--ink-2); }
.nav nav a:hover { color: var(--accent); }
.nav nav a.btn, .nav nav a.btn:hover { color: #fff; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: 12px 20px; font: 600 15px var(--font-body); text-decoration: none; cursor: pointer; white-space: nowrap; transition: transform .15s, box-shadow .15s, filter .15s; }
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(229,83,31,.28); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--rule); box-shadow: none; }
.btn.lg { padding: 16px 28px; font-size: 17px; }
.btn.xl { padding: 20px 34px; font-size: 19px; border-radius: 10px; }
.nav .btn { padding: 10px 18px; color: #fff; }
.arrow { transition: transform .15s; } .btn:hover .arrow { transform: translateX(3px); }

/* hero */
.hero { position: relative; color: #fff; overflow: hidden; isolation: isolate; background: #11171b; min-height: min(760px, 86vh); display: flex; flex-direction: column; justify-content: flex-end; }
.hero video, .hero .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(8,12,15,.45) 0%, rgba(8,12,15,.55) 45%, rgba(8,12,15,.86) 100%), linear-gradient(90deg, rgba(8,12,15,.55), rgba(8,12,15,0) 70%); }
.hero .wrap { width: 100%; padding-block: 120px 0; }
.cert { display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.3); border-radius: 99px; padding: 8px 16px 8px 10px; font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; backdrop-filter: blur(6px); }
.cert svg { width: 22px; height: 22px; flex: none; }
.hero h1 { font-size: clamp(44px, 7vw, 92px); line-height: 0.98; font-weight: 800; margin: 24px 0 20px; max-width: 13ch; letter-spacing: -0.025em; }
.hero h1 em { font-style: normal; color: var(--accent-2); }
.hero .sub { font-size: clamp(17px, 1.6vw, 21px); color: #d5dde1; max-width: 30em; }
.hero .ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.hero .btn.ghost { color: #fff; border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.06); }
.facts { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; margin-top: 64px; border-top: 1px solid rgba(255,255,255,.22); }
.facts div { padding: 20px 20px 26px 0; }
.facts b { display: block; font-family: var(--font-display); font-size: clamp(18px, 1.9vw, 26px); font-weight: 800; white-space: nowrap; }
.facts span { font-size: 13px; color: #b9c3c9; }

/* connector ticker */
.ticker { background: var(--paper); border-bottom: 1px solid var(--rule); overflow: hidden; }
.ticker .track { display: flex; gap: 40px; width: max-content; padding-block: 16px; animation: tick 60s linear infinite; font-family: var(--font-mono); font-size: 14px; color: var(--ink-2); white-space: nowrap; }
.ticker .track span::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 2px; background: var(--accent); margin-right: 12px; vertical-align: 1px; }
@keyframes tick { to { transform: translateX(-50%); } }

/* bands */
.band { padding-block: 96px; }
.band.white { background: var(--paper); border-block: 1px solid var(--rule); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 32px; align-items: end; margin-bottom: 44px; }
.sec-head h2 { font-size: clamp(32px, 4vw, 52px); line-height: 1.02; font-weight: 800; }
.sec-head p { color: var(--muted); max-width: 32em; font-size: 17px; }
.sec-head .label { display: block; margin-bottom: 14px; }

/* industries */
.ind-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.ind { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; text-decoration: none; transition: border-color .2s, transform .2s, box-shadow .2s; }
.ind:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 16px 40px rgba(13,20,24,.08); }
.ind .art { background: linear-gradient(180deg, var(--steel) 0%, #f8fafb 100%); padding: 18px 16px 6px; border-bottom: 1px solid var(--rule); }
.ind .art svg { display: block; width: 100%; height: auto; }
.ind .body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.ind h3 { font-size: 20px; }
.ind ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.ind li { font-size: 12.5px; font-family: var(--font-mono); background: var(--steel); border-radius: 6px; padding: 3px 8px; color: var(--ink-2); }
.ind .more { margin-top: auto; padding-top: 6px; font-weight: 600; font-size: 14px; color: var(--accent); }

/* what we build */
.build { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.build > div { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: 20px 20px 22px; display: grid; gap: 12px; align-content: start; }
.build svg { width: 100%; height: auto; background: var(--steel); border-radius: 10px; padding: 8px; }
.build h3 { font-size: 18px; }
.build p { font-size: 14px; color: var(--muted); }
.gauge { margin-top: 18px; background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: 22px 24px; display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 2fr); gap: 24px; align-items: center; }
.gauge h3 { font-size: 22px; }
.gauge p { color: var(--muted); font-size: 14px; margin-top: 6px; }
.gauge .g-scroll { overflow-x: auto; }
.gauge svg { display: block; min-width: 520px; width: 100%; height: auto; }
.procs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.procs span { font-size: 13px; border: 1px solid var(--rule); border-radius: 99px; padding: 5px 12px; background: var(--paper); color: var(--ink-2); }

/* animated process */
.flow { position: relative; display: grid; grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); gap: 20px; }
.flow .rail { position: absolute; left: calc(100% / var(--n, 4) / 2); right: calc(100% / var(--n, 4) / 2); top: 38px; height: 4px; border-radius: 2px; background: var(--steel-2); overflow: hidden; }
.flow .rail::after { content: ""; position: absolute; inset: 0; width: 30%; background: linear-gradient(90deg, transparent, var(--accent), transparent); animation: pulse-run 3.2s linear infinite; }
@keyframes pulse-run { from { transform: translateX(-100%); } to { transform: translateX(340%); } }
.fstep { position: relative; text-align: center; display: grid; justify-items: center; gap: 10px; }
.fstep .dot { width: 80px; height: 80px; border-radius: 50%; background: var(--paper); border: 3px solid var(--c); color: var(--c); display: grid; place-items: center; position: relative; z-index: 1; animation: glow 3.2s ease-in-out infinite; animation-delay: calc(var(--i) * 0.8s); }
.fstep .dot svg { width: 34px; height: 34px; }
.fstep .dot b { position: absolute; top: -6px; right: -6px; width: 26px; height: 26px; border-radius: 50%; background: var(--c); color: #fff; font: 600 12px/26px var(--font-mono); }
@keyframes glow { 0%, 100% { box-shadow: 0 0 0 0 transparent; transform: scale(1); } 12% { box-shadow: 0 0 0 10px color-mix(in srgb, var(--c) 18%, transparent); transform: scale(1.06); } 30% { box-shadow: 0 0 0 0 transparent; transform: scale(1); } }
.fstep h3 { font-size: 19px; margin-top: 6px; }
.fstep p { font-size: 14.5px; color: var(--muted); max-width: 22ch; }
.fstep .when { font: 600 12px var(--font-mono); color: var(--c); background: color-mix(in srgb, var(--c) 10%, white); border-radius: 99px; padding: 4px 12px; }
.fstep .out { font: 12px var(--font-mono); color: var(--ink-2); }
.flow-note { margin-top: 28px; text-align: center; font: 13px var(--font-mono); color: var(--muted); }
.loop { display: flex; justify-content: center; margin-top: 18px; }
.loop span { font: 12px var(--font-mono); color: var(--s3); border: 1px dashed var(--s3); border-radius: 99px; padding: 5px 14px; }

/* deliverables */
.deliv { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.deliv > a, .deliv > div { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: 22px; display: grid; gap: 10px; align-content: start; text-decoration: none; transition: border-color .2s; }
.deliv > a:hover { border-color: var(--accent); }
.deliv .thumb { height: 120px; border-radius: 8px; background: var(--steel); overflow: hidden; display: grid; place-items: center; padding: 10px; }
.deliv .thumb svg { width: 100%; height: 100%; }
.deliv h3 { font-size: 17px; }
.deliv p { font-size: 14px; color: var(--muted); }
.deliv .go { font-size: 14px; font-weight: 600; color: var(--accent); }

/* free sample: loud */
.sample { background: var(--accent); color: #fff; position: relative; overflow: hidden; }
.sample::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, rgba(255,255,255,.06) 0 14px, transparent 14px 28px); }
.sample .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr); gap: 40px; align-items: center; padding-block: 88px; }
.sample .tag { display: inline-block; background: #fff; color: var(--accent); font: 700 13px var(--font-mono); letter-spacing: .08em; padding: 6px 12px; border-radius: 6px; }
.sample h2 { font-size: clamp(40px, 6vw, 78px); line-height: 0.98; font-weight: 800; margin: 20px 0 18px; letter-spacing: -0.025em; }
.sample p { font-size: 19px; max-width: 30em; color: #fff3ee; }
.sample .btn { background: #0d1418; color: #fff; margin-top: 30px; box-shadow: 0 12px 30px rgba(0,0,0,.25); animation: nudge 2.4s ease-in-out infinite; }
.sample .btn:hover { box-shadow: 0 16px 40px rgba(0,0,0,.35); }
.sample .fine { color: #ffe0d3; font-size: 14px; margin-top: 14px; }
.sample svg { width: 100%; height: auto; }
@keyframes nudge { 0%, 70%, 100% { transform: translateY(0); } 80% { transform: translateY(-4px); } 90% { transform: translateY(0); } }
.fab { position: fixed; right: max(20px, env(safe-area-inset-right, 0px)); bottom: calc(20px + env(safe-area-inset-bottom, 0px)); z-index: 35; display: inline-flex; align-items: center; gap: 10px; background: var(--accent); color: #fff; text-decoration: none; font: 700 15px var(--font-body); padding: 14px 20px 14px 16px; border-radius: 99px; box-shadow: 0 14px 34px rgba(229,83,31,.4); transition: transform .25s, opacity .25s; }
.fab .ping { width: 10px; height: 10px; border-radius: 50%; background: #fff; position: relative; }
.fab .ping::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 2px solid #fff; animation: ping 1.6s ease-out infinite; }
@keyframes ping { from { transform: scale(.4); opacity: 1; } to { transform: scale(1.6); opacity: 0; } }
.fab.off { transform: translateY(120px); opacity: 0; pointer-events: none; }

/* faq */
.faq { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 48px; }
.faq details { border-bottom: 1px solid var(--rule); padding-block: 18px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin-top: 10px; }

/* contact */
.contact { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }
.contact h2 { font-size: clamp(32px, 4vw, 52px); line-height: 1.02; font-weight: 800; }
.contact .lines { display: grid; gap: 22px; margin-top: 28px; }
.contact .v { display: block; font-family: var(--font-display); font-weight: 800; font-size: clamp(20px, 2.2vw, 26px); text-decoration: none; word-break: break-all; margin-top: 4px; }
form.f { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; box-shadow: 0 12px 40px rgba(13,20,24,.05); }
form.f .full { grid-column: 1 / -1; }
form.f label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; min-width: 0; }
form.f input, form.f textarea { width: 100%; min-width: 0; font: 15px var(--font-body); color: var(--ink); background: var(--bg); border: 1px solid var(--rule); border-radius: 8px; padding: 12px; }
form.f textarea { min-height: 110px; resize: vertical; }
.hp { position: absolute; left: -9999px; }
.status { grid-column: 1 / -1; font-size: 14px; }
.status.ok { color: var(--ok); } .status.err { color: var(--accent); }

/* dialog */
dialog.modal { border: 0; padding: 0; border-radius: 16px; width: min(580px, calc(100vw - 32px)); background: var(--paper); color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,0.35); }
dialog.modal::backdrop { background: rgba(8,12,15,0.55); backdrop-filter: blur(3px); }
dialog.modal .mh { display: flex; justify-content: space-between; align-items: start; gap: 16px; padding: 26px 26px 0; }
dialog.modal h2 { font-size: 26px; }
dialog.modal .lead { color: var(--muted); padding: 8px 26px 0; font-size: 15px; }
dialog.modal form.f { border: 0; box-shadow: none; padding: 18px 26px 26px; }
.x { background: transparent; border: 0; font-size: 28px; line-height: 1; cursor: pointer; color: var(--muted); }

/* inner page header */
.phead { background: var(--paper); border-bottom: 1px solid var(--rule); }
.phead .wrap { padding-block: 64px 56px; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.phead h1 { font-size: clamp(36px, 5vw, 62px); line-height: 1.0; font-weight: 800; letter-spacing: -0.025em; }
.phead p.lead { color: var(--muted); font-size: 19px; max-width: 34em; margin-top: 18px; }
.phead .ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.phead .cert { color: var(--ink); background: var(--steel); border-color: var(--rule); margin-top: 22px; }
.phead .art { background: linear-gradient(180deg, var(--steel), #fafbfc); border: 1px solid var(--rule); border-radius: 16px; padding: 22px; }
.phead .art svg { display: block; width: 100%; height: auto; }

/* families */
.fam { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.fam > div { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: 22px; }
.fam h3 { font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--rule); }
.fam ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.fam li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: center; font-size: 14.5px; color: var(--ink-2); }
.pimg { position: relative; width: 40px; height: 40px; border-radius: 8px; background: var(--steel); display: grid; place-items: center; overflow: hidden; }
.pimg img { inset: 0; width: 100%; height: 100%; object-fit: contain; background: var(--paper); }
.pimg img:not([src]), .pimg img.miss { display: none; }
.pimg i { width: 14px; height: 10px; border-radius: 2px; border: 2px solid var(--muted); display: block; }
.two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
.list-box { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: 26px; }
.list-box h3 { font-size: 20px; margin-bottom: 14px; }
.list-box ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; color: var(--ink-2); }
.list-box .more { display: inline-block; margin-top: 18px; font-weight: 600; color: var(--accent); }
.fine { font-size: 13px; color: var(--muted); margin-top: 20px; }

/* tests explorer */
.tests { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.35fr); gap: 20px; align-items: start; }
.tlist { display: grid; gap: 8px; }
.tbtn { display: grid; grid-template-columns: 10px 1fr auto; gap: 14px; align-items: center; width: 100%; text-align: left; background: var(--paper); border: 1px solid var(--rule); border-radius: 10px; padding: 14px 16px; font: 600 15px var(--font-body); color: var(--ink); cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .15s; }
.tbtn:hover { border-color: var(--c); transform: translateX(2px); }
.tbtn .sw { width: 10px; height: 10px; border-radius: 3px; background: var(--c); }
.tbtn .tg { font: 500 11px var(--font-mono); padding: 2px 8px; border-radius: 99px; border: 1px solid var(--rule); color: var(--muted); white-space: nowrap; }
.tbtn .tg.std { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 50%, white); }
.tbtn[aria-selected="true"] { border-color: var(--c); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 16%, transparent); }
.tpanel { background: var(--paper); border: 1px solid var(--rule); border-radius: 16px; padding: 26px; position: sticky; top: 90px; display: grid; gap: 16px; }
.tpanel .art svg { display: block; width: 100%; height: auto; }
.tpanel h3 { font-size: 24px; }
.tpanel .why { color: var(--ink-2); font-size: 16px; }
.tpanel dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 0; font-size: 14px; }
.tpanel dt { color: var(--muted); font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; padding-top: 2px; }
.tpanel dd { margin: 0; }
.excerpt { border: 1px dashed var(--rule); border-radius: 10px; padding: 12px 14px; font: 13px var(--font-mono); color: var(--ink-2); background: #fbfcfc; }
.excerpt b { color: var(--ok); }

/* sheets & reports */
.sheet { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: clamp(10px, 2vw, 22px); }
.sheet-scroll { overflow-x: auto; }
.sheet svg { display: block; width: 100%; min-width: 760px; height: auto; }
.reports { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.reports a { display: grid; gap: 6px; padding: 18px; border: 1px solid var(--rule); border-radius: 12px; background: var(--paper); text-decoration: none; border-top: 4px solid var(--c); }
.reports a:hover { box-shadow: 0 12px 30px rgba(13,20,24,.07); }
.reports b { font-size: 15px; }
.reports span { font-size: 13px; color: var(--muted); }
.tbl-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 14px; background: var(--paper); }
table.t { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.t td { padding: 13px 18px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.t tr:last-child td { border-bottom: 0; }
table.t td:first-child { font-weight: 600; width: 34%; }

/* footer */
footer { background: var(--ink); color: #aab5bb; font-size: 14px; overflow: hidden; }
footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-block: 48px 48px; border-top: 1px solid #253038; }
footer h3 { color: #fff; font: 400 12px var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 14px; }
footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
footer a { color: #fff; text-decoration: none; }
footer a:hover { color: var(--accent-2); }
footer .brand { color: #fff; margin-bottom: 12px; }
footer .base { border-top: 1px solid #253038; position: relative; z-index: 1; background: var(--ink); }
footer .base .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-block: 18px 26px; }

/* mobile */
.mbar { display: none; }
@media (max-width: 1040px) {
  .ind-grid, .deliv, .reports, .build { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fam { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  footer .cols { grid-template-columns: 1fr 1fr; }
  .gauge { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .sec-head, .faq, .contact, .two, .sample .wrap, .phead .wrap, .tests { grid-template-columns: 1fr; }
  .nav nav a:not(.btn) { display: none; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts b { white-space: normal; }
  .band { padding-block: 68px; }
  .flow { grid-template-columns: 1fr; gap: 26px; }
  .flow .rail { left: 38px; right: auto; width: 4px; top: 40px; bottom: 40px; height: auto; }
  .flow .rail::after { width: 100%; height: 30%; background: linear-gradient(180deg, transparent, var(--accent), transparent); animation-name: pulse-down; }
  @keyframes pulse-down { from { transform: translateY(-100%); } to { transform: translateY(340%); } }
  .fstep { grid-template-columns: 80px 1fr; text-align: left; justify-items: start; column-gap: 18px; row-gap: 6px; }
  .fstep .dot { grid-row: span 4; }
  .fstep h3 { margin-top: 0; }
  .tpanel { position: static; }
  .fab { display: none; }
  .mbar { display: flex; position: fixed; inset: auto 0 0 0; z-index: 35; gap: 10px; padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); background: var(--paper); border-top: 1px solid var(--rule); }
  .mbar .btn { flex: 1; }
  body { padding-bottom: 74px; }
}
@media (max-width: 540px) {
  .ind-grid, .deliv, .reports, .build, .fam { grid-template-columns: 1fr; }
  form.f { grid-template-columns: 1fr; padding: 18px; }
  .util .hide-sm { display: none; }
  footer .cols { grid-template-columns: 1fr; }
  .hero h1 { font-size: 42px; }
  .cert { font-size: 11.5px; letter-spacing: 0.02em; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}
[hidden] { display: none !important; }
footer .brand svg rect { stroke: #3a454c; stroke-width: 1.5; }

.wordmark { font-family: var(--font-display); font-weight: 800; font-size: 11.2vw; line-height: 0.92; letter-spacing: -0.045em; white-space: nowrap; text-align: center; padding: 4.5vw 1vw 3vw; user-select: none; }
.wordmark .w1 { color: #ff6a3d; } .wordmark .w2 { color: #f2bb3a; } .wordmark .w3 { color: #3ccf7c; } .wordmark .w0 { color: #fff; }

/* tests v2 */
.tbtn .tn { display: grid; gap: 1px; }
.tbtn .tn small { font: 500 11px var(--font-mono); color: var(--muted); letter-spacing: .06em; }
.tpanel { gap: 18px; padding: 28px; border-top: 4px solid var(--c); border-radius: 12px; }
.tp-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.tp-head .code { font: 600 12px var(--font-mono); letter-spacing: .08em; color: var(--c); }
.tp-head .tg { font: 500 11.5px var(--font-mono); padding: 3px 10px; border-radius: 99px; border: 1px solid var(--rule); color: var(--muted); }
.tp-head .tg.std { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, white); background: color-mix(in srgb, var(--ok) 7%, white); }
.tpanel h3 { font-size: 26px; margin-top: -6px; }
.setup { margin: 0; border-radius: 8px; overflow: hidden; }
.setup svg { display: block; width: 100%; height: auto; }
.tp-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 18px; align-items: start; }
.lcd { background: #0d1418; border-radius: 8px; padding: 14px 16px; font-family: var(--font-mono); box-shadow: inset 0 0 0 1px #24323a, inset 0 0 24px rgba(159,240,192,.06); display: grid; gap: 6px; }
.lcd div { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; }
.lcd span { color: #7f9099; letter-spacing: .06em; }
.lcd b { color: #9ff0c0; font-weight: 500; }
.lcd .lcd-pass { display: block; margin-top: 6px; text-align: center; background: #16884a; color: #fff; font: 600 12px var(--font-mono); letter-spacing: .2em; padding: 5px 0; border-radius: 4px; }
.tpanel dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin: 0; font-size: 14px; }
.tpanel dt { color: var(--muted); font: 500 11px var(--font-mono); text-transform: uppercase; letter-spacing: .06em; padding-top: 3px; }
.tpanel dd { margin: 0; color: var(--ink-2); }
.rx { border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.rx-cap { font: 500 11px var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: 8px 12px; background: var(--steel); border-bottom: 1px solid var(--rule); }
.rx-scroll { overflow-x: auto; }
.rx table { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 520px; }
.rx th, .rx td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--rule); }
.rx tr:last-child td { border-bottom: 0; }
.rx th { font: 500 10.5px var(--font-mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.rx td { font-family: var(--font-mono); }
.rx .pass { font: 600 11px var(--font-mono); color: var(--ok); border: 1px solid var(--ok); padding: 1px 7px; border-radius: 99px; }
@media (max-width: 540px) { .tp-grid { grid-template-columns: 1fr; } .tpanel { padding: 18px; } }

/* step badges: always centered */
.fstep .dot b { display: grid; place-items: center; text-align: center; line-height: 1; }

/* partners */
.partners { background: var(--paper); border-bottom: 1px solid var(--rule); }
.partners .wrap { display: flex; align-items: center; gap: 40px; padding-block: 26px; flex-wrap: wrap; }
.plogos { display: flex; align-items: center; gap: 56px; flex-wrap: wrap; flex: 1; justify-content: space-around; }
.plogos img { height: 24px; width: auto; opacity: .72; filter: grayscale(1); transition: opacity .2s; }
.plogos img:hover { opacity: 1; }
.plogos .atlas { display: inline-flex; align-items: center; gap: 10px; opacity: .72; }
.plogos .atlas img { height: 28px; opacity: 1; }
.plogos .atlas b { font: 700 19px var(--font-display); letter-spacing: -.01em; color: var(--ink); }

/* legal */
.prose { max-width: 760px; }
.prose h1 { font-size: clamp(34px, 4.4vw, 52px); line-height: 1.05; font-weight: 800; }
.prose .upd { color: var(--muted); font: 13px var(--font-mono); margin: 10px 0 28px; }
.prose h2 { font-size: 22px; margin: 34px 0 10px; }
.prose p, .prose li { color: var(--ink-2); }
.prose p + p { margin-top: 12px; }
.prose ul { padding-left: 20px; display: grid; gap: 8px; }

/* burger + mobile menu */
.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--rule); border-radius: 10px; background: var(--paper); cursor: pointer; padding: 0; place-items: center; align-content: center; gap: 5px; }
.burger span { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
body.menu-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .burger span:nth-child(2) { opacity: 0; }
body.menu-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.m-only { display: none !important; }
@media (max-width: 860px) {
  .burger { display: grid; }
  .nav nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--rule); box-shadow: 0 20px 40px rgba(13,20,24,.1); flex-direction: column; align-items: stretch; gap: 0; padding: 8px max(20px, env(safe-area-inset-right, 0px)) 18px max(20px, env(safe-area-inset-left, 0px)); }
  body.menu-open .nav nav { display: flex; }
  .nav nav a, .nav nav a:not(.btn) { display: block; padding: 15px 2px; font-size: 18px; font-weight: 600; border-bottom: 1px solid var(--rule); }
  .nav nav a.m-only { display: block !important; color: var(--accent); }
  .nav nav a.btn { display: none; }
  .partners .wrap { gap: 16px; } .plogos { gap: 28px; justify-content: flex-start; }
  .plogos img { height: 20px; } .plogos .atlas img { height: 24px; } .plogos .atlas b { font-size: 16px; }
}

.plogos img[alt="Founders, Inc."] { height: 30px; }
@media (max-width: 860px) { .partners .wrap { flex-direction: column; align-items: flex-start; } .plogos { gap: 22px 32px; } .plogos img[alt="Founders, Inc."] { height: 24px; } }

/* nav dropdowns */
.dd { position: relative; }
.ddt { display: inline-flex; align-items: center; gap: 6px; }
.chev { width: 10px; height: 6px; transition: transform .2s; opacity: .6; }
.ddm { position: absolute; top: 100%; left: 50%; transform: translate(-50%, 6px); padding-top: 14px; opacity: 0; visibility: hidden; transition: opacity .16s, transform .16s, visibility .16s; z-index: 50; }
.ddm-in { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; box-shadow: 0 24px 60px rgba(13,20,24,.14); padding: 8px; width: 340px; display: grid; gap: 2px; }
.ddm a { display: grid; gap: 2px; padding: 10px 12px; border-radius: 9px; text-decoration: none; }
.ddm a b { font-size: 14.5px; color: var(--ink); font-weight: 600; }
.ddm a span { font-size: 12.5px; color: var(--muted); line-height: 1.35; }
.ddm a:hover { background: var(--steel); }
.ddm a:hover b { color: var(--accent); }
@media (min-width: 861px) {
  .dd:hover .ddm, .dd:focus-within .ddm { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
  .dd:hover .chev, .dd:focus-within .chev { transform: rotate(180deg); }
}
section[id], [id="reports"] { scroll-margin-top: 84px; }

/* part photos */
.pimg.has { background: #fff; border: 1px solid var(--rule); }
.pimg img { position: static; width: 100%; height: 100%; object-fit: contain; }

footer .areas { font-size: 12.5px; color: #7f8c93; margin-top: 12px; line-height: 1.55; }

@media (max-width: 860px) {
  .nav nav { max-height: calc(100vh - 70px); overflow-y: auto; }
  .dd { border-bottom: 1px solid var(--rule); }
  .nav nav .dd > a.ddt { border-bottom: 0; padding-bottom: 6px; }
  .chev { display: none; }
  .ddm { position: static; transform: none; opacity: 1; visibility: visible; padding: 0 0 10px; }
  .ddm-in { width: auto; border: 0; box-shadow: none; padding: 0; background: transparent; }
  .nav nav .ddm a { padding: 7px 0 7px 14px; border-bottom: 0; font-size: 15px; border-left: 2px solid var(--rule); border-radius: 0; }
  .ddm a b { font-weight: 500; font-size: 15px; color: var(--ink-2); }
  .ddm a span { display: none; }
}

/* Form success state */
.sent > :not(.done) { display: none !important; }
.done { display: none; }
.sent > .done { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; padding: 44px 26px 36px; grid-column: 1 / -1; animation: donein .35s ease both; }
.done .ck { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); animation: ckpop .45s cubic-bezier(.2,1.4,.4,1) both .05s; }
.done h3 { font-size: 22px; margin: 6px 0 0; }
.done p { color: var(--muted); margin: 0 0 8px; }
@keyframes donein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes ckpop { from { transform: scale(.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .sent > .done, .done .ck { animation: none; } }

/* Real photos (source/photos/) */
img.photo { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; background: var(--steel); }
.phead .art img.photo { border-radius: 14px; box-shadow: 0 18px 50px rgba(0,0,0,.12); }
.art:has(> img.photo) { padding: 0; background: none; border: 0; overflow: hidden; }
.ind .art:has(> img.photo) { border-bottom: 1px solid var(--rule); }
.ind .art img.photo { border-radius: 0; aspect-ratio: 5 / 3; }