:root {
  --paper: #f3f2ee;
  --paper-2: #ebe9e3;
  --white: #fbfaf8;
  --ink: #0f1012;
  --ink-2: #3a3c40;
  --muted: #74767b;
  --rule: #d8d6cf;
  --grid: rgba(15, 16, 18, .045);
  --accent: #e3b23c;        /* brand yellow: fills, bars, dots - never small text on paper */
  --accent-ink: var(--ink);  /* text and thin lines that used to be accent-coloured */
  --ok: #18a058;
  --bad: #e5322d;
  --oil: #c98a17;
  --sans: "Archivo", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --ease: cubic-bezier(.2, .7, .1, 1);
  --pad: clamp(16px, 4vw, 56px);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.55 var(--sans);
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before { /* drafting grid */
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 100%);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--ink); }

.wrap { width: min(1320px, 100% - 2 * var(--pad)); margin-inline: auto; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }

/* ---------- NAV ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  display: flex; align-items: center; gap: 32px;
  padding: 14px var(--pad);
  transition: background .4s, box-shadow .4s, padding .4s;
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 1px 0 var(--rule);
  padding-block: 10px;
}
.nav__logo img { width: 112px; height: auto; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a {
  font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em;
  text-decoration: none; color: var(--ink-2); position: relative; padding: 6px 0;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--ink); transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease);
}
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------- BUTTONS ---------- */
.btn {
  --bg: var(--ink); --fg: var(--paper);
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 22px; border-radius: 2px;
  background: var(--bg); color: var(--fg);
  font: 600 13px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; text-decoration: none;
  position: relative; overflow: hidden; isolation: isolate;
  transition: color .35s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--accent);
  transform: translateY(101%); transition: transform .45s var(--ease);
}
.btn:hover::before { transform: none; }
.btn:hover { color: var(--ink); }
.btn .arr { transition: transform .35s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn--sm { padding: 11px 16px; font-size: 11px; }
.btn--ghost { --bg: transparent; --fg: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.btn--ghost:hover { color: var(--ink); }
.btn--inv { --bg: var(--paper); --fg: var(--ink); }
.btn--inv:hover { color: var(--ink); }

/* ---------- TYPE ---------- */
h1, h2, h3 { margin: 0; font-weight: 800; letter-spacing: -.02em; line-height: .92; }
h2 { font-size: clamp(40px, 6vw, 84px); font-variation-settings: "wdth" 112; text-transform: uppercase; }
h3 { font-size: 22px; font-variation-settings: "wdth" 108; letter-spacing: -.01em; }
.eyebrow, .tag {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px;
  font: 500 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.eyebrow--inv { color: #9b9da2; }
.tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent); animation: ping 2.4s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(255, 79, 18, .5); } 70%, 100% { box-shadow: 0 0 0 10px rgba(255, 79, 18, 0); } }

/* ---------- HERO ---------- */
.hero { padding-top: 120px; min-height: 100svh; display: flex; flex-direction: column; }
.hero__grid { flex: 1; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px; align-items: center; }
.hero__title {
  font-size: clamp(34px, 4.9vw, 70px); text-transform: uppercase;
  font-variation-settings: "wdth" 118; line-height: .86; letter-spacing: -.035em;
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero__title .line > span { display: inline-block; transform: translateY(105%); animation: rise 1.1s var(--ease) forwards; }
.hero__title .line:nth-child(2) > span { animation-delay: .12s; }
.hero__title em { font-style: normal; color: var(--accent); }
@keyframes rise { to { transform: none; } }
.hero__lede { max-width: 440px; margin: 28px 0 34px; color: var(--ink-2); font-size: 18px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* figure frames: a cropped window onto a 2400x1500 image */
.frame { position: relative; overflow: hidden; aspect-ratio: var(--ar, 1.6); }
.stage { position: absolute; }
.stage img, .stage svg { position: absolute; inset: 0; width: 100%; height: 100%; user-select: none; -webkit-user-drag: none; }
.hero__fig { position: relative; margin: 0; }
.hero__fig .frame { cursor: crosshair; }
.img-line { opacity: 1; }
.hero__fig .img-line { clip-path: inset(0 calc(100% - var(--wipeS, 100%)) 0 0); }
.hero__fig .img-render { clip-path: inset(0 0 0 var(--wipeS, 100%)); }
.scan {
  position: absolute; top: 0; bottom: 0; left: var(--wipe, 100%); width: 1px; background: var(--ink);
  pointer-events: none; opacity: var(--scanO, 0); transition: opacity .3s;
}
.scan span {
  position: absolute; top: 14px; font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  white-space: nowrap; padding: 5px 7px; background: var(--ink); color: var(--paper);
}
.scan__l { right: 8px; } .scan__r { left: 8px; background: var(--paper) !important; color: var(--ink) !important; box-shadow: inset 0 0 0 1px var(--ink); }

.corner {
  position: absolute; font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.corner--tl { top: 0; left: 0; }
.corner--br { bottom: 0; right: 0; }

/* callouts */
.callouts .co-line { fill: none; stroke: var(--ink); stroke-width: 1.4; vector-effect: non-scaling-stroke; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); }
.callouts .co-dot { fill: var(--accent); transform-box: fill-box; transform-origin: center; transform: scale(0); }
.callouts .co-ring { fill: none; stroke: var(--accent-ink); stroke-width: 1.4; vector-effect: non-scaling-stroke; transform-box: fill-box; transform-origin: center; opacity: 0; }
.callouts text { font: 500 24px var(--mono); letter-spacing: .06em; text-transform: uppercase; fill: var(--ink); opacity: 0; }
.callouts text .n { fill: var(--accent-ink); font-weight: 700; }
.is-in .callouts .co-line { transition: stroke-dashoffset 1s var(--ease) var(--t); stroke-dashoffset: 0; }
.is-in .callouts .co-dot { transition: transform .5s var(--ease) var(--t); transform: scale(1); }
.is-in .callouts .co-ring { animation: ring 2.6s var(--ease) calc(var(--t) + .4s) infinite; }
.is-in .callouts text { transition: opacity .6s var(--ease) calc(var(--t) + .6s); opacity: 1; }
@keyframes ring { 0% { transform: scale(.4); opacity: .9; } 100% { transform: scale(2.4); opacity: 0; } }

/* ticker */
.ticker { margin-top: 40px; overflow: hidden; background: var(--ink); color: var(--paper); }
.ticker__track { display: flex; width: max-content; gap: 28px; padding: 16px 0; animation: tick 40s linear infinite; }
.ticker span { font: 500 13px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.ticker i { font-style: normal; color: var(--accent); }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- SECTIONS ---------- */
.section { padding: clamp(80px, 12vw, 160px) 0; }
.section__head { margin-bottom: clamp(36px, 5vw, 64px); max-width: 760px; }
.section__head--row { max-width: none; display: grid; grid-template-columns: 1fr minmax(0, 420px); gap: 32px; align-items: end; }
.section__lede { color: var(--ink-2); max-width: 520px; margin: 24px 0 0; }
.section__head--row .section__lede { margin: 0; }

/* exploded */
.exploded { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 40px; align-items: start; }
.exploded__fig { position: relative; margin: 0; padding-top: 22px; }
.exploded__fig .img-line { opacity: 0; transition: opacity .6s var(--ease); }
.exploded__fig .img-render { transition: opacity .6s var(--ease); }
.exploded__fig.mode-line .img-line { opacity: 1; }
.exploded__fig.mode-line .img-render { opacity: 0; }
.balloons .b-lead { stroke: var(--ink); stroke-width: 1.2; vector-effect: non-scaling-stroke; fill: none; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); }
.balloons .b-tip { fill: var(--ink); }
.balloons .b g, .balloons .b-c { transform-box: fill-box; transform-origin: center; }
.balloons .b-c { fill: var(--white); stroke: var(--ink); stroke-width: 1.4; vector-effect: non-scaling-stroke; transform: scale(0); transition: fill .25s, stroke .25s; }
.balloons .b-t { font: 600 22px var(--mono); fill: var(--ink); text-anchor: middle; dominant-baseline: central; opacity: 0; transition: fill .25s; }
.is-in .balloons .b-lead { transition: stroke-dashoffset .8s var(--ease) var(--t); stroke-dashoffset: 0; }
.is-in .balloons .b-c { transition: transform .5s cubic-bezier(.3, 1.6, .5, 1) calc(var(--t) + .5s), fill .25s, stroke .25s; transform: scale(1); }
.is-in .balloons .b-t { transition: opacity .3s calc(var(--t) + .7s), fill .25s; opacity: 1; }
.balloons .b.is-hot .b-c { fill: var(--accent); stroke: var(--accent); }
.balloons .b.is-hot .b-t { fill: var(--ink); }

.toggle, .seg { display: inline-flex; border: 1px solid var(--ink); border-radius: 2px; }
.toggle { position: absolute; top: 0; right: 0; }
.toggle button, .seg button {
  appearance: none; border: 0; background: transparent; color: var(--ink); cursor: pointer;
  font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 9px 12px;
  transition: background .25s, color .25s;
}
.toggle button.is-on, .seg button.is-on { background: var(--ink); color: var(--paper); }

.bom { border-top: 2px solid var(--ink); font-size: 14px; }
.bom__head, .bom__list li, .bom__foot { display: grid; grid-template-columns: 44px 1fr 36px; gap: 8px; align-items: center; }
.bom__head { font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 12px 0; border-bottom: 1px solid var(--rule); }
.bom__head span:last-child, .bom__list li span:last-child { text-align: right; }
.bom__list { list-style: none; margin: 0; padding: 0; }
.bom__list li { padding: 12px 0; border-bottom: 1px solid var(--rule); cursor: default; transition: background .25s, padding .25s; }
.bom__list li .num { font: 600 12px/1 var(--mono); width: 26px; height: 26px; border: 1px solid var(--ink); border-radius: 50%; display: grid; place-items: center; transition: background .25s, color .25s, border-color .25s; }
.bom__list li .q { font-family: var(--mono); font-size: 13px; }
.bom__list li small { display: block; color: var(--muted); font: 400 11px/1.3 var(--mono); margin-top: 3px; text-transform: uppercase; letter-spacing: .04em; }
.bom__list li:hover, .bom__list li.is-hot { background: var(--white); padding-left: 8px; }
.bom__list li.is-hot .num, .bom__list li:hover .num { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.bom__foot { padding: 16px 0; font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; grid-template-columns: 1fr auto; }
.bom__foot strong { font-size: 20px; font-family: var(--sans); font-weight: 800; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); }
.stat { padding: 36px 24px 32px 0; display: flex; flex-direction: column; gap: 10px; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--rule); }
.stat strong { font-size: clamp(48px, 6vw, 88px); font-weight: 800; line-height: .9; font-variation-settings: "wdth" 118; letter-spacing: -.03em; }
.odo { display: inline-flex; font-variant-numeric: tabular-nums; }
.odo__col {
  display: inline-block; height: 1em; overflow: hidden; line-height: 1;
  -webkit-mask-image: linear-gradient(transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(transparent, #000 12%, #000 88%, transparent);
}
.odo__strip { display: block; transform: translateY(0); }
.odo__strip span { display: block; height: 1em; }
.odo.is-rolling .odo__strip {
  transform: translateY(calc(var(--steps) * -1em));
  transition: transform calc(1.6s + var(--od)) cubic-bezier(.16, .8, .12, 1) calc(var(--d, 0s) + var(--od));
}
.stat:hover .odo__col { -webkit-mask-image: none; mask-image: none; }
.stat small { font-size: .32em; margin-left: 6px; font-family: var(--mono); font-weight: 500; letter-spacing: 0; }
.stat > span { font: 500 11px/1.2 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }

/* how */
.how { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; }
.how .seg { margin-top: 32px; }
.readout { display: grid; grid-template-columns: 1fr 1fr; margin: 24px 0 0; border-top: 1px solid var(--rule); max-width: 420px; }
.readout div { padding: 14px 0; }
.readout dt { font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.readout dd { margin: 0; font: 600 22px/1 var(--mono); display: flex; align-items: center; gap: 10px; font-variant-numeric: tabular-nums; }
.led { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); transition: background .2s, box-shadow .2s; }
.led.is-bad { background: var(--bad); box-shadow: 0 0 12px var(--bad); }
.how__fig { position: relative; margin: 0; padding-top: 22px; }
#sim { width: 100%; height: auto; display: block; background: var(--white); border: 1px solid var(--rule); }
#sim .sim__grid line { stroke: var(--grid); }
#sim .pan { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; }
#sim .oil { fill: var(--oil); opacity: .85; }
#sim .oil--in { opacity: .95; }
#sim .baffle__top { stroke: var(--ink); stroke-width: 4; }
#sim .gate line { stroke: var(--ink); stroke-width: 4; stroke-linecap: round; }
#sim .gate circle { fill: var(--white); stroke: var(--ink); stroke-width: 2.5; }
#sim .pickup { fill: none; stroke: var(--ink-2); stroke-width: 7; stroke-linecap: round; }
#sim .pickup__mouth { fill: var(--ok); transition: fill .2s; }
#sim .pickup__mouth.is-bad { fill: var(--bad); }
#sim .sim__lbl { font: 500 12px var(--mono); letter-spacing: .1em; fill: var(--muted); }
#sim .garrow line { stroke: var(--accent-ink); stroke-width: 3; }
#sim .garrow path { fill: var(--accent-ink); }
#sim .garrow text { font: 700 14px var(--mono); fill: var(--accent-ink); }
#sim.no-baffle .baffle { opacity: 0; }
#sim .baffle { transition: opacity .5s; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.tile { margin: 0; background: var(--white); border: 1px solid var(--rule); overflow: hidden; display: flex; flex-direction: column; }
.tile--wide { grid-column: span 2; }
.tile__img { overflow: hidden; flex: 1; display: grid; place-items: center; }
.tile__img img { width: 100%; transition: transform 1.4s var(--ease); }
.tile--wide .tile__img img { aspect-ratio: 2.2; object-fit: cover; object-position: 50% 55%; }
.tile__img--pad img { aspect-ratio: 1.6; object-fit: cover; transform: scale(1.35); }
.tile:hover .tile__img img { transform: scale(1.04); }
.tile:hover .tile__img--pad img { transform: scale(1.42); }
.tile figcaption { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-top: 1px solid var(--rule); font-weight: 600; }
.tile figcaption .mono { color: var(--muted); }
.tile--dark { background: #e4e2dc; }

/* drawing sheet */
.section--sheet { background: var(--white); border-block: 1px solid var(--rule); }
.sheet { background: #fdfcf9; box-shadow: 0 1px 0 var(--rule), 0 30px 60px -30px rgba(0, 0, 0, .25); }
#sheetSvg { width: 100%; height: auto; display: block; }
#sheetSvg .frame-line { fill: none; stroke: var(--ink); }
#sheetSvg .t { font-family: var(--mono); fill: var(--ink); letter-spacing: .06em; }
#sheetSvg .t--m { fill: var(--muted); }
#sheetSvg .dim { stroke: var(--ink); stroke-width: 1.4; fill: none; }
#sheetSvg .ext { stroke: var(--ink); stroke-width: 1; opacity: .6; }
#sheetSvg .ctr { stroke: var(--accent-ink); stroke-width: 1.2; stroke-dasharray: 30 8 6 8; }
#sheetSvg .arrowhead { fill: var(--ink); }
#sheetSvg .dimtxt { font: 500 26px var(--mono); fill: var(--ink); }
#sheetSvg .draw { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); }
#sheetSvg .fade { opacity: 0; }
#sheetSvg .view image { clip-path: inset(0 0 100% 0); }
.sheet.is-in #sheetSvg .draw { transition: stroke-dashoffset 1.2s var(--ease) var(--t, 0s); stroke-dashoffset: 0; }
.sheet.is-in #sheetSvg .fade { transition: opacity .8s var(--ease) var(--t, 0s); opacity: 1; }
.sheet.is-in #sheetSvg .view image { transition: clip-path 1.8s cubic-bezier(.6, 0, .2, 1) var(--t, 0s); clip-path: inset(0 0 0 0); }

/* range */
.range { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--white); border: 1px solid var(--rule); display: flex; flex-direction: column; transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.card:hover { transform: translateY(-6px); box-shadow: 0 24px 40px -24px rgba(0, 0, 0, .25); }
.card__img { aspect-ratio: 4 / 3; display: grid; place-items: center; border-bottom: 1px solid var(--rule); overflow: hidden; padding: 24px;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 20px 20px; }
.card__img img { max-height: 100%; width: auto; }
.card__img--type span { font: 800 110px/1 var(--sans); font-variation-settings: "wdth" 125; color: transparent; -webkit-text-stroke: 1.5px var(--ink); letter-spacing: -.04em; }
.card__body { padding: 22px 22px 26px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card__body p { margin: 0; color: var(--ink-2); font-size: 15px; }
.card__code { color: var(--muted) !important; font-size: 11px !important; }
.pill { align-self: flex-start; margin-top: auto; padding: 7px 10px; border: 1px solid var(--rule); font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.pill--live { border-color: var(--ink); color: var(--ink); display: inline-flex; gap: 8px; align-items: center; }
.pill--live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }

/* cta */
.cta { background: var(--ink); color: var(--paper); padding: clamp(90px, 14vw, 180px) 0; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 32px 32px; }
.cta__inner { position: relative; }
.cta h2 { font-size: clamp(48px, 9vw, 150px); font-variation-settings: "wdth" 120; max-width: 12ch; }
.cta p { color: #a9abb0; max-width: 460px; margin: 28px 0 36px; }

.foot { padding: 32px 0; border-top: 1px solid var(--rule); }
.foot__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted); }
.foot img { width: 96px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease) var(--d, 0s), transform .9s var(--ease) var(--d, 0s); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1000px) {
  .hero__grid, .how { grid-template-columns: 1fr; }
  .exploded { grid-template-columns: 1fr; }
  .section__head--row { grid-template-columns: 1fr; }
  .range { grid-template-columns: 1fr 1fr; }
  .nav__links { display: none; }
  .nav .btn { margin-left: auto; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding-top: 96px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .gallery, .range { grid-template-columns: 1fr; }
  .tile--wide { grid-column: auto; }
  .callouts text, .callouts .co-line { display: none; }
  .sheet { overflow-x: auto; }
  #sheetSvg { min-width: 760px; }
  .corner--br { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__title .line > span { transform: none; }
}
.card__img--photo { padding: 0; }
.card__img--photo img { width: 100%; max-height: none; transform: scale(1.5); }
#sheetSvg .det-ring { fill: none; stroke: var(--ink); stroke-width: 2; }
#sheetSvg .det-mark { fill: none; stroke: var(--accent-ink); stroke-width: 2; stroke-dasharray: 10 6; }
#sheetSvg .det-lbl { font: 700 30px var(--mono); fill: var(--accent-ink); }
#sheetSvg .det-cap { font: 600 22px var(--mono); fill: var(--ink); letter-spacing: .08em; }
#sheetSvg .det-sub { font: 400 18px var(--mono); fill: var(--muted); letter-spacing: .06em; }
#sheetSvg .det image { transform-box: fill-box; }
#sheetSvg .det .det-img { opacity: 0; transition: opacity 1s var(--ease) var(--t, 0s); }
.sheet.is-in #sheetSvg .det .det-img { opacity: 1; }
.how h2 { font-size: clamp(36px, 4.6vw, 68px); }
#sim path.baffle__top { fill: none; stroke: var(--ink); stroke-width: 4; stroke-linecap: round; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 3px; text-underline-offset: 4px; }
.card__img--duct img { transform: scale(1.25); }
.card__img--type span { font-size: clamp(64px, 7vw, 110px); }

/* numbered steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--ink); }
.steps li { padding: 28px 28px 8px 0; }
.steps li + li { padding-left: 28px; border-left: 1px solid var(--rule); }
.steps__n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); font: 600 12px/1 var(--mono); margin-bottom: 20px; }
.steps h3 { font-size: 34px; text-transform: uppercase; font-variation-settings: "wdth" 116; margin-bottom: 12px; }
.steps p { margin: 0; color: var(--ink-2); max-width: 34ch; }

.foot a { display: block; }
@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .steps li + li { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); }
}

/* ---------- sump: simulation video ---------- */
.sv { position: relative; margin: 0; padding-top: 22px; }
.sv__screen { position: relative; background: #f4f2ee; border: 1px solid var(--rule); overflow: hidden; }
.sv__screen video { display: block; width: 100%; aspect-ratio: 2; object-fit: cover; object-position: 50% 40%; }
.sv__screen::after { content: ""; position: absolute; top: 12%; bottom: 12%; left: 50%; border-left: 1px dashed var(--rule); }
.sv__tag { position: absolute; top: 16px; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; padding: 8px 10px; background: var(--white); border: 1px solid var(--ink); display: inline-flex; align-items: center; gap: 8px; }
.sv__tag--l { left: 16px; }
.sv__tag--r { left: calc(50% + 16px); background: var(--ink); color: var(--paper); }
.sv__tag--r i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.sv__btn { position: absolute; right: 16px; bottom: 16px; appearance: none; cursor: pointer; background: var(--white); color: var(--ink); border: 1px solid var(--ink); border-radius: 2px; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 9px 12px; transition: background .25s, color .25s; }
.sv__btn:hover { background: var(--ink); color: var(--paper); }
.sv__bar { margin-top: 14px; }
.sv__phases { display: flex; font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.sv__phases span { flex: var(--w) 0 0; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding: 0 0 8px 8px; border-left: 1px solid var(--ink); }
.sv__phases span:first-child { border-left: 0; padding-left: 0; }
.sv__track { height: 4px; background: var(--rule); position: relative; }
.sv__track i { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--ink); }
.sv__track i::after { content: ""; position: absolute; right: -5px; top: -3px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 1px var(--ink); }
.sv__read { grid-template-columns: repeat(3, 1fr); max-width: 720px; }
@media (max-width: 640px) {
  .sv__screen video { aspect-ratio: 16 / 9; object-position: 50% 50%; }
  .sv__tag { top: 8px; font-size: 9px; padding: 6px 7px; }
  .sv__tag--l { left: 8px; } .sv__tag--r { left: calc(50% + 6px); }
  .sv__btn { right: 8px; bottom: 8px; }
  .sv__phases span { font-size: 8px; letter-spacing: .04em; }
  .sv__read dd { font-size: 15px; }
}

/* anchors stop below the fixed nav */
section[id], main[id] { scroll-margin-top: 56px; }

/* nav links never wrap; tighten, then hide, as the window narrows */
.nav__links a { white-space: nowrap; }
@media (max-width: 1240px) { .nav { gap: 20px; } .nav__links { gap: 18px; } .nav__links a { font-size: 11px; letter-spacing: .05em; } }
@media (max-width: 1080px) { .nav__links { display: none; } .nav .btn { margin-left: auto; } }

/* footer links */
.foot__links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.foot__links a { color: var(--ink-2); text-decoration: none; padding: 4px 0; border-bottom: 1px solid transparent; transition: color .25s, border-color .25s; }
.foot__links a:first-child { color: var(--ink); border-bottom-color: var(--accent); }
.foot__links a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* logo turns brand yellow on hover: the yellow artwork sits exactly over the black one */
.nav__logo, .foot a[aria-label] { position: relative; display: block; line-height: 0; }
.nav__logo img, .foot a[aria-label] img { transition: opacity .3s var(--ease); }
.nav__logo::after, .foot a[aria-label]::after { content: ""; position: absolute; inset: 0; background: url(brand/ahura-logo-all-yellow.svg) center / 100% 100% no-repeat; opacity: 0; transition: opacity .3s var(--ease); }
.nav__logo:hover img, .nav__logo:focus-visible img, .foot a[aria-label]:hover img { opacity: 0; }
.nav__logo:hover::after, .nav__logo:focus-visible::after, .foot a[aria-label]:hover::after { opacity: 1; }

/* ---------- phone / tablet menu ---------- */
.nav__burger { display: none; }
@media (max-width: 1080px) {
  .nav { gap: 12px; }
  .nav__burger {
    display: grid; place-content: center; gap: 5px; width: 42px; height: 42px; flex: none;
    appearance: none; border: 1px solid var(--ink); border-radius: 2px; background: var(--white); cursor: pointer;
  }
  .nav__burger i { display: block; width: 18px; height: 2px; background: var(--ink); transition: transform .3s var(--ease), opacity .2s; }
  .nav.is-open .nav__burger i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__burger i:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__burger i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav.is-open { background: var(--paper); box-shadow: 0 1px 0 var(--rule); }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; gap: 0; margin: 0;
    position: absolute; top: 100%; left: 0; right: 0; max-height: calc(100svh - 70px); overflow-y: auto;
    padding: 4px var(--pad) 20px; background: var(--paper); border-bottom: 2px solid var(--ink);
    box-shadow: 0 30px 40px -30px rgba(0, 0, 0, .35);
  }
  .nav.is-open .nav__links a { font-size: 14px; letter-spacing: .08em; padding: 18px 0; border-bottom: 1px solid var(--rule); color: var(--ink); }
  .nav.is-open .nav__links a::after { display: none; }
  .nav.is-open .nav__links a:last-child { border-bottom: 0; }
}

/* one-column layouts have the full width, so the headline can be larger again */
@media (max-width: 1000px) { .hero__title { font-size: clamp(34px, 10.5vw, 84px); } }