/* /track-order. Your own vial travels the rail to where your order is. Direction + motion spec: tools/track-order/DIRECTION.md. Scoped to .tr */
@font-face { font-family: "IBM Plex Sans"; font-weight: 200; font-style: normal; font-display: swap; src: url("plex-200.woff2?v=20261104tr6") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 300; font-style: normal; font-display: swap; src: url("plex-300.woff2?v=20261104tr6") format("woff2"); }

.tr {
  --g: clamp(18px, 4.4vw, 72px);
  --sl: #3A5D7A; --sl2: #2E4B63; --tint: #E5ECF2; --ink: #0E1A2B; --ink2: #33414F; --ink3: #57677A; --line: #DCE3EA; --edge: #BECBD6;
  --ok: #16784F; --warn: #A65A00;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --out: cubic-bezier(.16, 1, .3, 1);
  --vh: clamp(186px, 26svh, 228px); --vw: calc(var(--vh) / 2); --ri: 14px;
  color: var(--ink); background: #FAFAFA; font-size: 1.0625rem; line-height: 1.55; overflow-x: clip; font-kerning: normal;
}
.tr *, .tr *::before, .tr *::after { box-sizing: border-box; }
.tr :where(h1, h2, h3, p, ul, ol, dl, dd, dt) { margin: 0; padding: 0; }
.tr :where(ul, ol) { list-style: none; }
.tr p { max-width: none; }
.tr [hidden] { display: none !important; }
.tr ::selection { background: var(--sl); color: #fff; }
.tr-w { width: 100%; max-width: 1560px; margin-inline: auto; padding-inline: var(--g); }
.tr-i { width: 1em; height: 1em; flex: none; }
.tr a:focus-visible, .tr button:focus-visible { outline: 2px solid var(--sl); outline-offset: 3px; border-radius: 6px; }

/* the site's sale bar lands after first paint; hold its height so the scene never jumps */
html:not(.tr-nb) body:not(:has(aside.ef6)) .eon-ticker { margin-top: 84px; }
@media (max-width: 760px) { html:not(.tr-nb) body:not(:has(aside.ef6)) .eon-ticker { margin-top: 68px; } }

/* the translucent header lets the page ghost through it on phones */
@media (max-width: 979px) { header { background: #FAFAFA !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important; } }

/* ---------- the top: the site's own hero language, navy, a fine grid, bold white type, glass instruments ---------- */
.tr-hero { --hl: rgba(169, 186, 214, .22); --hs: #93A6C6; position: relative; isolation: isolate; padding-block: 14px 56px; overflow: clip; color: #E6ECF3; background: linear-gradient(180deg, #0E1F38, #081321); }
.tr-bg { position: absolute; inset: 0; z-index: -1; background: radial-gradient(62% 74% at 74% 34%, rgba(68, 112, 150, .55), rgba(58, 93, 122, .16) 52%, transparent 74%), radial-gradient(50% 30% at 74% 100%, rgba(120, 165, 205, .16), transparent 72%); }
.tr-bg::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(150, 175, 205, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(150, 175, 205, .06) 1px, transparent 1px); background-size: 56px 56px; -webkit-mask-image: radial-gradient(90% 90% at 60% 30%, #000 30%, transparent 100%); mask-image: radial-gradient(90% 90% at 60% 30%, #000 30%, transparent 100%); }
.tr-top { display: flex; align-items: center; }
.tr-crumb { display: flex; flex-wrap: wrap; gap: .45em; font-size: .8125rem; color: var(--hs); }
.tr-crumb a { color: var(--hs); text-decoration: none; }
.tr-crumb a:hover { color: #fff; }
.tr-crumb [aria-current] { color: #E6ECF3; }
.tr-hero a:focus-visible, .tr-hero button:focus-visible { outline-color: #CFE0FA; }

.tr-lead { margin-top: 14px; }
.tr-eye { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 10px; font: 500 .71875rem/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #A9BAD6; }
.tr-eye i { position: relative; flex: none; width: 7px; height: 7px; border-radius: 50%; background: #8FE3BC; }
.tr:not([data-state="idle"]) .tr-eye { display: none; }
.tr-ref { font: 500 .75rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #A9C4DE; margin-bottom: 8px; }
.tr h1 { font-size: clamp(2.375rem, 10vw, 5.75rem); font-weight: 600; line-height: 1.04; letter-spacing: -.032em; color: #F4F7FA; outline: 0; }
.tr-ln { display: block; overflow: clip; overflow-clip-margin: .12em; padding-bottom: .06em; }
.tr-ln > span { display: block; }
.tr-lede { margin-top: 8px; color: #C4D0DE; max-width: 46ch; }

/* one instrument: both fields and the button live in one bar */
.tr-form { margin-top: 16px; }
.tr-bar { display: grid; border: 1px solid var(--hl); border-radius: 16px; background: rgba(6, 16, 30, .6); box-shadow: 0 30px 60px -36px rgba(0, 0, 0, .85), inset 0 1px 0 rgba(255, 255, 255, .05); }
.tr-f { position: relative; padding: 11px 16px 7px; transition: background-color .16s; }
.tr-f + .tr-f { border-top: 1px solid var(--hl); }
.tr-f:first-child { border-radius: 15px 15px 0 0; }
.tr-f:focus-within { background: rgba(157, 180, 218, .1); box-shadow: inset 0 0 0 1px #9DB4DA; }
.tr-f label { display: block; font: 500 .6875rem/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #A9BAD6; }
.tr-in { position: relative; display: flex; align-items: center; }
.tr-hash { margin-right: 3px; color: var(--hs); font-size: 1.125rem; }
.tr-in input { width: 100%; min-width: 0; height: 34px; padding: 0; border: 0; border-radius: 0; background: none; color: #fff; font: 400 1.125rem/1 "IBM Plex Sans", sans-serif; font-variant-numeric: tabular-nums; outline: 0; -webkit-appearance: none; appearance: none; }
.tr-in input::placeholder { color: #8499B4; }
.tr-in input:-webkit-autofill { -webkit-text-fill-color: #fff; caret-color: #fff; box-shadow: inset 0 0 0 40px #0C1A2E; }
.tr-f:has(input[aria-invalid="true"]) { box-shadow: inset 0 0 0 1px #F0A08C; background: rgba(240, 160, 140, .08); }

.tr-btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 56px; padding: 0 26px; border: 0; border-radius: 12px; font: 600 1.0625rem/1 "IBM Plex Sans", sans-serif; text-decoration: none; cursor: pointer; transition: transform .16s, background-color .16s, box-shadow .2s; -webkit-tap-highlight-color: transparent; }
.tr-btn--p { background: #fff; color: var(--ink); box-shadow: 0 14px 30px -16px rgba(0, 0, 0, .8); }
.tr-btn--p:hover { background: #E6EEF6; }
.tr-btn--g { background: none; color: #fff; box-shadow: inset 0 0 0 1px rgba(226, 236, 245, .3); }
.tr-btn--g:hover { box-shadow: inset 0 0 0 1px rgba(226, 236, 245, .6); }
.tr-btn:active { transform: scale(.985); }
.tr-btn .tr-i { font-size: 1.0625rem; transition: transform .22s var(--out); }
.tr-btn:hover .tr-i { transform: translateX(3px); }
.tr-bar .tr-btn { margin: 8px; }
.tr-btn[disabled] { cursor: progress; }
.tr-spin { display: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(14, 26, 43, .2); border-top-color: var(--ink); }
.tr-btn[aria-busy="true"] .tr-spin { display: block; }
.tr-btn[aria-busy="true"] .tr-i { display: none; }
.tr-msg { margin-top: 10px; padding: 12px 14px; border-radius: 12px; background: #FBEEEA; color: #8A2E1B; font-size: .9375rem; line-height: 1.4; }
.tr-msg a { color: inherit; }
.tr-jump { display: flex; flex-wrap: wrap; gap: 2px 20px; margin-top: 10px; font-size: .9375rem; }
.tr-jump a { color: #CFE0FA; text-decoration: underline; text-decoration-color: rgba(207, 224, 250, .4); text-underline-offset: 3px; padding-block: 6px; }
.tr-jump a:hover { text-decoration-color: #CFE0FA; }

.tr-when { margin-top: 6px; font-size: clamp(1.375rem, 5.8vw, 2.25rem); font-weight: 400; line-height: 1.2; letter-spacing: -.02em; color: #DCE6F0; }
.tr-ans__b { margin-top: 14px; padding: 16px 18px 18px; border: 1px solid var(--hl); border-radius: 18px; background: rgba(6, 16, 30, .6); box-shadow: 0 30px 60px -36px rgba(0, 0, 0, .85), inset 0 1px 0 rgba(255, 255, 255, .05); }
.tr-ans__b .tr-k { color: #A9BAD6; }
.tr-ans__b .tr-num { margin: 4px 0 12px; padding-bottom: 12px; border-bottom: 1px solid var(--hl); }
.tr-ans__b .tr-num code { color: #fff; }
.tr-ans__b .tr-copy { background: rgba(207, 224, 250, .13); color: #E6EEF6; }
.tr-ans__b .tr-copy:hover { background: rgba(207, 224, 250, .22); }
.tr-ans__b .tr-copy.is-ok { background: rgba(143, 227, 188, .18); color: #A8EBCB; }
.tr-sub { color: #C4D0DE; max-width: 50ch; }
.tr-sub a { color: #CFE0FA; text-decoration: underline !important; text-underline-offset: 3px; }
.tr-acts { display: grid; gap: 6px; margin-top: 14px; }
.tr-acts .tr-btn--g { min-height: 44px; padding: 0 8px; box-shadow: none; color: #CFE0FA; font-size: 1rem; font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }

/* the three facts, glass chips around the vial on large screens */
.tr-fl { display: none; }

/* ---------- the stage: a lit rail along the floor ---------- */
.tr-stage { position: relative; margin-top: calc(var(--vh) + 40px); }
.tr[data-state="dead"] .tr-stage { display: none; }
.tr-vial { position: absolute; left: 0; bottom: calc(100% - 8px); z-index: 2; width: var(--vw); height: var(--vh); transform: translateX(calc(50vw - var(--vw) / 2)); transform-origin: 50% 100%; will-change: transform; pointer-events: none; }
.tr-vin { position: absolute; inset: 0; }
.tr-vin img, .tr-sp { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.tr-a, .tr-b, .tr-anim { transition: opacity .34s ease; }
.tr-b, .tr-anim { opacity: 0; }
.tr-anim.on, .tr-b.on { opacity: 1; }
.tr-sp { opacity: 0; background-repeat: no-repeat; background-size: 500% 500%; }
.tr-vial.is-spin .tr-sp { opacity: 1; }
.tr-vial.is-spin .tr-a, .tr-vial.is-spin .tr-b, .tr-vial.is-spin .tr-anim { opacity: 0; transition: none; }
.tr-halo { position: absolute; left: 50%; top: 46%; width: 330%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(closest-side, rgba(120, 168, 208, .4), rgba(112, 158, 198, .13) 54%, transparent); }
.tr-glow { position: absolute; left: 50%; bottom: -14%; width: 360%; height: 40%; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(150, 192, 228, .3), rgba(150, 192, 228, .08) 60%, transparent); }
.tr-shade { position: absolute; left: 6%; right: 6%; top: 95.6%; height: 5%; border-radius: 50%; background: radial-gradient(closest-side, rgba(0, 4, 12, .7), rgba(0, 4, 12, .22) 60%, transparent); }
.tr-vin .tr-rf { top: 96.8%; bottom: auto; height: 100%; transform: scaleY(-1); opacity: .32; -webkit-mask-image: linear-gradient(0deg, #000, transparent 11%); mask-image: linear-gradient(0deg, #000, transparent 11%); }

.tr-rail { position: relative; }
.tr-track { position: absolute; top: 7px; left: calc(var(--ri) + (100% - 2 * var(--ri)) / 10); right: calc(var(--ri) + (100% - 2 * var(--ri)) / 10); height: 2px; border-radius: 2px; background: rgba(169, 186, 214, .3); overflow: hidden; }
.tr-ticks { position: absolute; top: 15px; left: calc(var(--ri) + (100% - 2 * var(--ri)) / 10); right: calc(var(--ri) + (100% - 2 * var(--ri)) / 10); height: 6px; opacity: .55; background: repeating-linear-gradient(90deg, rgba(169, 186, 214, .6) 0 1px, transparent 1px calc(100% / 40)); -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.tr-head { position: absolute; left: 0; top: 2px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 3px #A9C4DE, 0 0 26px 9px rgba(169, 208, 240, .6); opacity: 0; z-index: 1; transition: opacity .16s; will-change: transform; }
.tr-fill { position: absolute; inset: 0; background: linear-gradient(90deg, #8FB6D6, #E6F0F8); transform: scaleX(0); transform-origin: 0 50%; box-shadow: 0 0 12px rgba(169, 208, 240, .7); }
.tr-pulse { position: absolute; top: 0; bottom: 0; left: -22%; width: 22%; background: linear-gradient(90deg, transparent, #CFE0EE, transparent); }
.tr[data-state="found"] .tr-pulse { display: none; }
.tr-stops { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); padding-inline: var(--ri); }
.tr-s { display: flex; flex-direction: column; align-items: center; text-align: center; min-width: 0; }
.tr-s__d { position: relative; width: 16px; height: 16px; border-radius: 50%; background: #0C1A2E; box-shadow: inset 0 0 0 2px rgba(169, 186, 214, .55); transition: background-color .22s, box-shadow .22s; }
.tr-s__d svg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; color: #0B1A30; transition: opacity .18s; }
.tr-s b { margin-top: 14px; font-size: .75rem; font-weight: 600; line-height: 1.2; color: #C4D0DE; }
.tr-s small { display: none; margin-top: 2px; font-size: .8125rem; line-height: 1.3; color: var(--hs); padding-inline: 6px; }
.tr-s.is-done .tr-s__d { background: #CFE0EE; box-shadow: none; }
.tr-s.is-done .tr-s__d svg { opacity: 1; }
.tr-s.is-done b, .tr-s.is-now b { color: #fff; }
.tr-s.is-now .tr-s__d { background: #fff; box-shadow: 0 0 0 4px rgba(255, 255, 255, .16), 0 0 18px 3px rgba(169, 208, 240, .55); }
.tr-s.is-win .tr-s__d { background: #8FE3BC; box-shadow: 0 0 0 4px rgba(143, 227, 188, .2); }
.tr-s.is-win b { color: #A8EBCB; }
.tr-s.is-warn .tr-s__d { background: #F2C48D; box-shadow: 0 0 0 4px rgba(242, 196, 141, .2); }
.tr-s.is-warn b { color: #F2C48D; }

/* the page below rises over the hero like a sheet */
.tr-body { position: relative; z-index: 2; margin-top: -30px; border-radius: 30px 30px 0 0; background: #FAFAFA; overflow: clip; }

/* ---------- the proof ---------- */
.tr-ev { background: #fff; border-top: 1px solid var(--line); }
.tr-ev__g { display: grid; gap: 34px; padding-block: 32px 40px; }
.tr-ev.is-wait .tr-ev__g { opacity: 0; }
.tr-k { font: 500 .72rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink3); }
.tr-num { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 6px; }
.tr-num code { font: 500 clamp(1.25rem, 5.6vw, 2.125rem)/1.15 var(--mono); letter-spacing: -.02em; color: var(--ink); }
.tr-copy { flex: none; min-width: 76px; min-height: 44px; padding: 0 14px; border: 0; border-radius: 10px; background: var(--tint); color: var(--sl2); font: 500 .9375rem/1 "IBM Plex Sans", sans-serif; cursor: pointer; transition: background-color .16s, color .16s; -webkit-tap-highlight-color: transparent; }
.tr-copy:hover { background: #D8E3EC; }
.tr-copy.is-ok { background: #E0F1E9; color: var(--ok); }
.tr-none { margin-top: 6px; font-size: 1.125rem; }
.tr-dl { margin-top: 14px; border-top: 1px solid var(--line); }
.tr-dl > div { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.tr-dl dt { color: var(--ink3); font-size: .9375rem; }
.tr-dl dd { font-weight: 500; text-align: right; font-size: 1rem; }
.tr-note { margin-top: 12px; color: var(--ink3); font-size: .9375rem; line-height: 1.45; }
.tr-k--s { margin-top: 24px; }
.tr-scans { margin-top: 8px; }
.tr-scans li { position: relative; padding: 0 0 16px 22px; }
.tr-scans li::before { content: ""; position: absolute; left: 3px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--edge); }
.tr-scans li::after { content: ""; position: absolute; left: 7px; top: 19px; bottom: -6px; width: 1px; background: var(--line); }
.tr-scans li:first-child::before { background: var(--sl); box-shadow: 0 0 0 3px rgba(58, 93, 122, .16); }
.tr-scans li:last-child { padding-bottom: 0; }
.tr-scans li:last-child::after { display: none; }
.tr-scans b { display: block; font-weight: 500; line-height: 1.35; }
.tr-scans span { color: var(--ink3); font-size: .875rem; }

.tr-h3 { font-size: clamp(1.625rem, 6.4vw, 2.5rem); font-weight: 300; line-height: 1.1; letter-spacing: -.035em; }
.tr-items { margin-top: 10px; }
.tr-items li { display: grid; grid-template-columns: 60px minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 12px 0; border-top: 1px solid var(--line); }
.tr-tile { position: relative; width: 60px; height: 78px; border-radius: 10px; background: linear-gradient(180deg, #F2F5F8, #E0E8EF); overflow: hidden; }
.tr-tile img { position: absolute; left: 50%; top: 50%; width: auto; height: 94%; transform: translate(-50%, -50%); }
.tr-tile img.tr-ph { width: 100%; height: 100%; object-fit: cover; }
.tr-in2 { font-weight: 500; line-height: 1.3; }
.tr-in2 small { display: block; color: var(--ink3); font-size: .875rem; font-weight: 400; }
.tr-items a { display: inline-block; margin-top: 2px; padding-block: 3px; color: var(--sl2); font-size: .9375rem; font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.tr-qty { font: 500 .9375rem/1 var(--mono); color: var(--ink2); }

/* ---------- shared section type ---------- */
.tr-kick { font: 500 .72rem/1.3 var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--sl); margin-bottom: 10px; }
.tr-jr h2, .tr-lab h2, .tr-arr h2, .tr-qs h2 { font-size: clamp(2.25rem, 9.6vw, 4.75rem); font-weight: 300; line-height: 1.04; letter-spacing: -.042em; }

/* ---------- from your order to your door ---------- */
.tr-jr { padding-block: 46px 40px; }
.tr-jr__g { display: grid; gap: 26px; }
.tr-jr__h > p:last-child { margin-top: 10px; color: var(--ink2); max-width: 40ch; }
.tr-j { position: relative; display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 14px; padding-bottom: 28px; }
.tr-j::before { content: ""; position: absolute; left: 10px; top: 22px; bottom: -6px; width: 2px; background: var(--line); }
.tr-j:last-child::before { display: none; }
.tr-j::after { content: ""; position: absolute; left: 10px; top: 22px; bottom: -6px; width: 2px; background: var(--sl); transform: scaleY(0); transform-origin: 50% 0; }
.tr-j:last-child::after { display: none; }
.tr-j__d { position: relative; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%; background: #FAFAFA; box-shadow: inset 0 0 0 2px var(--edge); }
.tr-j.is-past .tr-j__d { background: var(--sl); box-shadow: none; }
.tr-j.is-past::after { transform: none; }
.tr-j.is-here .tr-j__d { background: var(--ink); box-shadow: 0 0 0 5px rgba(14, 26, 43, .1); }
.tr-j__k { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; font: 500 .75rem/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--sl); }
.tr-here { display: none; padding: 2px 8px; border-radius: 5px; background: var(--ink); color: #fff; font: 500 .6875rem/1.5 var(--mono); font-style: normal; letter-spacing: .04em; text-transform: none; }
.tr-j.is-here .tr-here { display: inline-block; }
.tr-j h3 { margin-top: 3px; font-size: clamp(1.5rem, 6vw, 2.125rem); font-weight: 300; line-height: 1.12; letter-spacing: -.03em; }
.tr-j__b > p:nth-child(3) { margin-top: 7px; color: var(--ink2); max-width: 56ch; }
.tr-j__w { margin-top: 8px; font-size: .875rem; font-weight: 500; color: var(--sl2); }

/* ---------- the lab: the page goes dark, the vial turns, the tests pass by ---------- */
.tr-lab { --dk: #F2F6FA; --dk2: #CBD9E5; --dk3: #9FB3C5; --dl: rgba(226, 236, 245, .18); position: relative; background: radial-gradient(90% 40% at 50% 34%, #173250, #0B1A30 62%, #071326); color: var(--dk); padding-block: 48px 30px; overflow: clip; border-radius: 28px 28px 0 0; }
.tr-lab .tr-kick { color: #A9C4DE; }
.tr-lab h2, .tr-lab h3 { color: #F2F6FA; }
.tr-lab h2 span { display: block; color: #A9C4DE; }
.tr-pre b { color: #F2F6FA; }
.tr-lab__l { margin-top: 12px; color: var(--dk2); font-size: 1.125rem; max-width: 46ch; }
.tr-pre { display: grid; gap: 0; margin-top: 24px; border-top: 1px solid var(--dl); }
.tr-pre li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 2px 8px; padding: 13px 0; border-bottom: 1px solid var(--dl); }
.tr-pre span { grid-row: 1 / span 2; font: 500 .8125rem/1.5 var(--mono); color: #A9C4DE; }
.tr-pre b { font-weight: 500; }
.tr-pre p { color: var(--dk2); font-size: .9375rem; line-height: 1.45; }

.tr-sc { --lvv: clamp(186px, 26svh, 236px); --lvh: calc(var(--lvv) + 88px); position: relative; margin-top: 26px; }
.tr-lv { position: absolute; left: 0; right: 0; top: 0; z-index: 1; display: flex; flex-direction: column; align-items: center; pointer-events: none; }
.tr-lv__n { font: 500 .8125rem/28px var(--mono); letter-spacing: .06em; color: var(--dk2); }
.tr-lv__v { position: relative; height: var(--lvv); aspect-ratio: 1 / 2; margin-top: 4px; }
.tr-lv__v > * { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.tr-lv__h { inset: 50% auto auto 50% !important; width: 320% !important; height: auto !important; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(closest-side, rgba(112, 158, 198, .34), rgba(112, 158, 198, .1) 55%, transparent); }
.tr-turn { background-repeat: no-repeat; background-size: 1000% 500%; opacity: 0; }
.tr-turn.on { opacity: 1; }
.tr-turn.on ~ .tr-qr { display: block; }
.tr-lv__v:has(.tr-turn.on) .tr-lv__s { opacity: 0; }
.tr-qr { display: none; inset: auto !important; left: 28.5% !important; top: 65.5% !important; width: 34% !important; height: 17% !important; border-radius: 6px; box-shadow: 0 0 0 2px #A9C4DE, 0 0 22px 2px rgba(169, 196, 222, .6); opacity: 0; transition: opacity .3s; }
.tr-qr.on { opacity: 1; }
.tr-lv__t { display: flex; gap: 6px; margin-top: 14px; }
.tr-lv__t i { width: 22px; height: 3px; border-radius: 2px; background: rgba(226, 236, 245, .22); transition: background-color .2s; }
.tr-lv__t i.on { background: #CFE0EE; }

.tr-tests { position: relative; z-index: 2; display: flex; align-items: stretch; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; outline-offset: -3px; }
.tr-tests::-webkit-scrollbar { display: none; }
.tr-t { flex: 0 0 100%; min-width: 0; padding: calc(var(--lvh) + 6px) var(--g) 34px; scroll-snap-align: start; scroll-snap-stop: always; }
.tr-t__k { display: flex; justify-content: space-between; font: 500 .72rem/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #A9C4DE; }
.tr-t h3 { margin-top: 6px; font-size: clamp(2rem, 8.6vw, 3.5rem); font-weight: 300; line-height: 1.06; letter-spacing: -.038em; }
.tr-t__q { margin-top: 3px; color: var(--dk2); }
.tr-viz { margin-top: 14px; min-height: 124px; }
.tr-t__r { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--dl); }
.tr-t__r b { font-size: clamp(1.875rem, 7.6vw, 2.75rem); font-weight: 300; line-height: 1.08; letter-spacing: -.03em; }
.tr-t__r > span { color: var(--dk2); font-size: .9375rem; }
.tr-pass { margin-left: auto; align-self: center; padding: 4px 10px; border-radius: 6px; background: rgba(143, 227, 188, .14); color: #A8EBCB; font: 500 .75rem/1.3 var(--mono); font-style: normal; }
.tr-pass--n { background: rgba(226, 236, 245, .1); color: var(--dk2); }
.tr-t__p { margin-top: 10px; color: var(--dk2); font-size: 1rem; line-height: 1.5; max-width: 54ch; }
.tr-t__a { display: grid; gap: 10px; margin-top: 16px; }
.tr-btn--w { background: #fff; color: var(--ink); }
.tr-btn--o { background: none; color: #fff; box-shadow: inset 0 0 0 1px rgba(226, 236, 245, .34); }
.tr-t--end h3 { margin-top: 6px; }

.vz-tr { display: block; width: 100%; height: auto; max-height: 150px; overflow: visible; }
.vz-tr__l { fill: none; stroke: #CFE0EE; stroke-width: 2; stroke-linejoin: round; }
.vz-tr__b { stroke: var(--dl); stroke-width: 1; }
.vz-cap { margin-top: 6px; font-size: .8125rem; color: var(--dk3); }
.vz-id { position: relative; display: grid; gap: 4px; }
.vz-id__r { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: end; gap: 8px; }
.vz-id__r span { font: 500 .6875rem/1.3 var(--mono); color: var(--dk3); padding-bottom: 4px; }
.vz-id__r svg { display: block; width: 100%; height: 56px; overflow: visible; }
.vz-id__r path { fill: none; stroke: #8FAAC2; stroke-width: 2; vector-effect: non-scaling-stroke; }
.vz-id__r--s path { stroke: #E6F0F8; }
.vz-id__l { position: absolute; top: 0; bottom: 0; left: calc(120px + (100% - 120px) / 2); border-left: 1px dashed rgba(207, 224, 238, .5); }
.vz-amt { display: flex; align-items: baseline; gap: 8px; }
.vz-amt b { font-size: clamp(3rem, 14vw, 4.75rem); font-weight: 200; line-height: 1; letter-spacing: -.045em; font-variant-numeric: tabular-nums; }
.vz-amt span { color: var(--dk2); font-size: 1.125rem; }
.vz-rule { position: relative; height: 26px; margin-top: 44px; background: repeating-linear-gradient(90deg, rgba(226, 236, 245, .34) 0 1px, transparent 1px 8.33%); border-bottom: 1px solid rgba(226, 236, 245, .34); }
.vz-rule__m { position: absolute; left: 89.4%; bottom: -1px; width: 3px; height: 48px; border-radius: 2px; background: #fff; box-shadow: 0 0 16px 2px rgba(207, 224, 238, .5); }
.vz-rule__l { display: flex; justify-content: space-between; margin-top: 8px; font: 500 .75rem/1.3 var(--mono); color: var(--dk3); }
.vz-met { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.vz-met li { padding: 9px 4px 8px; border-radius: 10px; background: rgba(226, 236, 245, .07); box-shadow: inset 0 0 0 1px var(--dl); text-align: center; }
.vz-met b { display: block; font-size: 1.5rem; font-weight: 300; line-height: 1.1; }
.vz-met span { display: block; margin-top: 2px; font-size: .6875rem; color: var(--dk2); }
.vz-met small { display: none; }
.vz-met em { display: block; margin-top: 4px; color: #A8EBCB; font: 500 .625rem/1.2 var(--mono); font-style: normal; }
.vz-dish { position: relative; display: grid; place-items: center; width: 124px; height: 124px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(226, 236, 245, .34), inset 0 0 0 9px rgba(226, 236, 245, .05); overflow: hidden; }
.vz-dish span { position: relative; font-size: .875rem; color: #E6F0F8; }
.vz-dish__s { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(from 0deg, transparent 70%, rgba(169, 196, 222, .34)); opacity: .9; }
.vz-g { padding-top: 26px; }
.vz-g__t { position: relative; height: 10px; border-radius: 5px; background: rgba(226, 236, 245, .13); overflow: hidden; }
.vz-g__f { position: absolute; inset: 0 80% 0 0; border-radius: 5px; background: #CFE0EE; transform-origin: 0 50%; }
.vz-g__l { display: flex; justify-content: space-between; margin-top: 8px; font: 500 .75rem/1.3 var(--mono); color: var(--dk3); }
.vz-fe { position: relative; height: 110px; }
.vz-fe__l { position: absolute; left: 0; right: 0; top: 34px; border-top: 1px dashed rgba(226, 236, 245, .5); }
.vz-fe__s { position: absolute; left: 0; right: 0; bottom: 22px; height: 2px; background: #CFE0EE; transform-origin: 0 50%; }
.vz-fe__c { position: absolute; left: 0; top: 12px; font: 500 .75rem/1.3 var(--mono); color: var(--dk3); }
.vz-fe__r { position: absolute; left: 0; bottom: 0; font: 500 .75rem/1.3 var(--mono); color: var(--dk3); }

/* ---------- when it arrives ---------- */
.tr-arr { position: relative; z-index: 2; margin-top: -30px; padding-block: 48px 40px; background: #FAFAFA; border-radius: 28px 28px 0 0; }
.tr-arr__h > p:last-child { margin-top: 10px; color: var(--ink2); max-width: 44ch; }
.tr-arr__g { display: grid; gap: 0; margin-top: 22px; border-top: 1px solid var(--line); }
.tr-arr__g li { display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 8px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.tr-arr__g span { grid-row: 1 / span 2; font: 500 .8125rem/1.7 var(--mono); color: var(--sl); }
.tr-arr__g h3 { font-size: 1.375rem; font-weight: 400; letter-spacing: -.02em; line-height: 1.25; }
.tr-arr__g p { margin-top: 2px; color: var(--ink2); }
.tr-cold { position: relative; display: grid; grid-template-columns: 96px minmax(0, 1fr); align-items: center; gap: 14px; margin-top: 20px; padding: 12px 20px 12px 12px; border-radius: 18px; background: radial-gradient(90% 120% at 12% 30%, #2B4C6B, #14304C 62%, #0E2340); color: #F2F6FA; text-decoration: none; overflow: hidden; }
.tr-cold__v { position: relative; display: block; width: 92px; height: 184px; }
.tr-cold__v img { position: absolute; inset: 0; width: 100%; height: 100%; }
.tr-cold__t { display: block; }
.tr-cold .tr-kick { display: block; margin-bottom: 2px; color: #A9C4DE; }
.tr-cold b { display: block; font-size: clamp(3rem, 15vw, 5.5rem); font-weight: 300; line-height: 1; letter-spacing: -.05em; font-variant-numeric: lining-nums tabular-nums; }
.tr-cold b i { font-style: normal; font-size: .36em; letter-spacing: -.02em; vertical-align: .95em; }
.tr-cold__t > span:last-child { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; color: #D7E3EC; font-size: .9375rem; line-height: 1.35; }
.tr-cold .tr-i { transition: transform .22s var(--out); }
.tr-cold:hover .tr-i { transform: translateX(4px); }
.tr-arr__n { margin-top: 14px; color: var(--ink2); font-size: .9375rem; }
.tr-arr__n a { color: var(--sl2); text-decoration: underline !important; text-underline-offset: 3px; }

/* ---------- help ---------- */
.tr-qs { padding-block: 40px 60px; display: grid; gap: 20px; }
.tr-qs__h > p:last-child { margin-top: 10px; color: var(--ink2); max-width: 40ch; }
.tr-qs__h a { color: var(--sl2); text-decoration: underline !important; text-underline-offset: 3px; }
.tr-qs__l { border-top: 1px solid var(--line); }
.tr-q { border-bottom: 1px solid var(--line); }
.tr-q summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; padding: 13px 0; font-weight: 500; line-height: 1.3; cursor: pointer; list-style: none; -webkit-tap-highlight-color: transparent; }
.tr-q summary::-webkit-details-marker { display: none; }
.tr-q summary:focus-visible { outline: 2px solid var(--sl); outline-offset: 2px; border-radius: 4px; }
.tr-q summary i { position: relative; flex: none; width: 16px; height: 16px; }
.tr-q summary i::before, .tr-q summary i::after { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 2px; border-radius: 1px; background: var(--sl); transition: transform .24s var(--out); }
.tr-q summary i::after { transform: rotate(90deg); }
.tr-q[open] summary i::after { transform: rotate(0); }
.tr-q div { padding: 0 28px 16px 0; color: var(--ink2); font-size: 1rem; }
.tr-q a { color: var(--sl2); text-decoration: underline !important; text-underline-offset: 3px; }

/* ---------- tablet ---------- */
@media (min-width: 620px) and (max-width: 979px) {
  .tr-t { padding-inline: max(var(--g), calc((100% - 620px) / 2)); }
  .tr-jr__g, .tr-arr > .tr-w { max-width: 720px; }
  .tr-t__a { display: flex; }
}
@media (min-width: 620px) {
  .tr { --vh: 280px; --ri: 0px; }
  .tr-bar { grid-template-columns: 190px minmax(0, 1fr) auto; align-items: stretch; }
  .tr-f + .tr-f { border-top: 0; border-left: 1px solid var(--hl); }
  .tr-f:first-child { border-radius: 15px 0 0 15px; }
  .tr-f { padding: 12px 16px 7px; }
  .tr-acts { display: flex; flex-wrap: wrap; gap: 10px; }
  .tr-acts .tr-btn--g { min-height: 56px; padding: 0 22px; box-shadow: inset 0 0 0 1px rgba(226, 236, 245, .3); color: #fff; font-size: 1.0625rem; font-weight: 600; text-decoration: none; }
  .tr-s b { font-size: .9375rem; }
  .tr-s small { display: block; }
}

/* ---------- desktop: text top left, the vial tall on the right, the rail along the floor of the first screen ---------- */
@media (min-width: 980px) {
  .tr { --vh: clamp(360px, calc(100svh - 372px), 520px); }
  .tr-hero { min-height: clamp(610px, calc(100svh - 190px), 860px); display: flex; flex-direction: column; padding-block: 18px 58px; }
  .tr-lead { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: 48px; margin-top: clamp(20px, 5vh, 56px); }
  .tr-eye, .tr-ref, .tr h1, .tr-ask, .tr-when { grid-column: 1; }
  .tr-eye { justify-self: start; margin-bottom: 14px; }
  .tr h1 { font-size: clamp(3.25rem, 5.5vw, 5.75rem); }
  .tr-lede { margin-top: 12px; font-size: 1.125rem; }
  .tr-form { margin-top: 22px; }
  .tr-ans { display: contents; }
  .tr-ans__b { grid-column: 2; grid-row: 1 / span 4; align-self: start; margin-top: 0; padding: 18px 22px 20px; }
  .tr-stage { margin-top: auto; padding-top: 26px; }
  /* the card and the vial can never meet: the stage always keeps the resting vial's height clear */
  .tr[data-state="found"] .tr-stage { padding-top: 272px; }
  .tr-vial { transform: translateX(calc(74vw - var(--vw) / 2)); }
  .tr-s b { font-size: 1rem; }
  .tr-ev__g { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 72px; padding-block: 52px 64px; }
  .tr-jr { padding-block: 96px 72px; }
  .tr-jr__g { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 72px; }
  .tr-jr__h { position: sticky; top: 110px; align-self: start; }
  .tr-j { padding-bottom: 40px; grid-template-columns: 22px minmax(0, 1fr); gap: 22px; }
  .tr-lab { padding-block: 88px 64px; border-radius: 40px 40px 0 0; }
  .tr-lab__h { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 72px; align-items: end; }
  .tr-sc { --lvv: min(calc(100svh - 260px), 540px); display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 72px; width: 100%; max-width: 1560px; margin: 16px auto 0; padding-inline: var(--g); }
  .tr-lv { position: sticky; top: 65px; height: calc(100svh - 65px); justify-content: center; }
  .tr-lv__n { display: none; }
  .tr-tests { display: block; overflow: visible; }
  .tr-t { min-height: 88svh; padding: 40px 0; display: flex; flex-direction: column; justify-content: center; }
  .tr-t--end { min-height: 76svh; }
  .tr-t__k { justify-content: flex-start; gap: 14px; }
  .tr-t h3 { margin-top: 10px; }
  .tr-t__q { font-size: 1.25rem; }
  .tr-viz { margin-top: 22px; min-height: 170px; max-width: 620px; }
  .tr-t__r { max-width: 620px; margin-top: 20px; padding-top: 16px; }
  .tr-t__p { font-size: 1.0625rem; margin-top: 12px; }
  .tr-t__a { display: flex; margin-top: 20px; }
  .vz-tr { max-height: 200px; }
  .vz-id__r { grid-template-columns: 170px minmax(0, 1fr); }
  .vz-id__r svg { height: 76px; }
  .vz-id__r span { font-size: .75rem; }
  .vz-id__l { left: calc(178px + (100% - 178px) / 2); }
  .vz-met b { font-size: 2rem; }
  .vz-met span { font-size: .8125rem; }
  .vz-met small { display: block; margin-top: 2px; font-size: .6875rem; color: var(--dk3); }
  .vz-dish { width: 164px; height: 164px; }
  .tr-pre { grid-column: 2; margin-top: 0; }
  .tr-arr { margin-top: -40px; padding-block: 96px 72px; border-radius: 40px 40px 0 0; }
  .tr-arr__g { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; border-top: 0; margin-top: 40px; }
  .tr-arr__g li { display: block; padding: 18px 0 0; border-top: 1px solid var(--edge); border-bottom: 0; }
  .tr-arr__g h3 { margin-top: 8px; font-size: 1.75rem; font-weight: 300; }
  .tr-cold { grid-template-columns: 150px minmax(0, 1fr); gap: 32px; margin-top: 48px; padding: 18px 48px 18px 28px; border-radius: 24px; }
  .tr-cold__v { width: 130px; height: 260px; margin-block: -6px; }
  .tr-cold b { font-size: 7rem; }
  .tr-cold__t > span:last-child { font-size: 1.0625rem; }
  .tr-qs { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 72px; padding-block: 88px 104px; }
  .tr-body { margin-top: -36px; border-radius: 36px 36px 0 0; }
  .tr-items li { grid-template-columns: 72px minmax(0, 1fr) auto; }
  .tr-tile { width: 72px; height: 92px; }
}

@media (min-width: 1340px) {
  .tr-fl { display: block; position: absolute; inset: 0; z-index: 3; pointer-events: none; transition: opacity .3s; }
  .tr:not([data-state="idle"]) .tr-fl { opacity: 0; visibility: hidden; }
  .tr-fl li { position: absolute; }
  /* placed from the vial, so they keep their distance from it on any screen */
  .tr-fl li:nth-child(1) { left: calc(74vw + var(--vw) * .46 + 42px); top: 21%; }
  .tr-fl li:nth-child(2) { right: calc(26vw + var(--vw) * .46 + 42px); top: 63%; }
  .tr-fl li:nth-child(3) { left: calc(74vw + var(--vw) * .46 + 42px); top: 52%; }
  .tr-fl a { position: relative; display: block; padding: 9px 13px 10px; border: 1px solid rgba(169, 186, 214, .24); border-radius: 12px; background: rgba(8, 19, 33, .62); color: #fff; text-decoration: none; pointer-events: auto; white-space: nowrap; box-shadow: 0 18px 34px -22px rgba(0, 0, 0, .9); transition: border-color .18s, transform .22s var(--out); }
  .tr-fl a:hover { border-color: #9DB4DA; transform: translateY(-2px); }
  .tr-fl b { display: block; font-size: .9375rem; font-weight: 600; line-height: 1.25; }
  .tr-fl span { display: block; margin-top: 1px; font: 500 .71875rem/1.3 var(--mono); color: #A9BAD6; }
  .tr-fl a::before { content: ""; position: absolute; top: 50%; right: 100%; width: 34px; border-top: 1px solid rgba(169, 186, 214, .4); }
  .tr-fl li:nth-child(2) a::before { right: auto; left: 100%; }
}

/* ---------- motion, additive: everything above is already the finished state ---------- */
@keyframes trUp { from { transform: translateY(106%); } to { transform: none; } }
@keyframes trRise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes trIdIn { from { transform: translateX(26%); opacity: .3; } to { transform: none; opacity: 1; } }
@keyframes trRule { from { left: 0; } to { left: 89.4%; } }
@keyframes trPopIn { from { opacity: 0; transform: translateY(10px) scale(.94); } to { opacity: 1; transform: none; } }
@keyframes trFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes trDraw { from { transform: scaleX(0); } to { transform: none; } }
@keyframes trPop { 0% { transform: scale(0); } 62% { transform: scale(1.22); } 100% { transform: none; } }
@keyframes trStand { from { transform: translateY(22px) scale(.965); } to { transform: none; } }
@keyframes trPulse { 0% { transform: translateX(0); } 55%, 100% { transform: translateX(590%); } }
@keyframes trRing { 0% { transform: scale(.7); opacity: .6; } 100% { transform: scale(2.7); opacity: 0; } }
@keyframes trTurn { to { transform: rotate(360deg); } }
@keyframes trSweep { to { transform: rotate(360deg); } }
@keyframes trDash { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes trFloat { from { transform: translateY(-5px); } to { transform: translateY(5px); } }
@keyframes trShake { 0%, 100% { transform: none; } 25% { transform: translateX(-5px); } 60% { transform: translateX(4px); } 85% { transform: translateX(-2px); } }
@media screen and (prefers-reduced-motion: no-preference) {
  .tr-ln > span { animation: trUp 1s var(--out) both; }
  .tr-ask > *, .tr-top, .tr-eye { animation: trRise .7s var(--out) both .16s; }
  .tr-bg { animation: trFade 1.6s ease both; }
  .tr-fl li { animation: trFloat 6.5s ease-in-out infinite alternate; animation-delay: calc(var(--i) * -2.2s); }
  .tr-fl a { animation: trRise .8s var(--out) both; animation-delay: calc(.7s + var(--i) * 140ms); }
  .tr-ask > .tr-form { animation-delay: .24s; }
  .tr-vin { animation: trStand 1.2s var(--out) both .05s; }
  .tr-halo { animation: trFade 1.6s ease both .2s; }
  .tr-ticks { animation: trFade 1.2s ease both .5s; }
  .tr-track { transform-origin: 0 50%; animation: trDraw 1s var(--out) both .2s; }
  .tr-s__d { animation: trPop .46s var(--out) both; animation-delay: calc(.32s + var(--i) * 80ms); }
  .tr-s b, .tr-s small { animation: trRise .6s var(--out) both; animation-delay: calc(.4s + var(--i) * 80ms); }
  .tr-pulse { animation: trPulse 6s cubic-bezier(.4, 0, .3, 1) infinite 1.8s; }
  .tr.is-busy .tr-pulse { animation-duration: 1.1s; animation-delay: 0s; }
  .tr-eye i::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #8FE3BC; animation: trRing 2.6s ease-out infinite; }
  .tr-spin { animation: trTurn .7s linear infinite; }
  .tr-shake { animation: trShake .36s ease; }
  .tr-msg { animation: trRise .3s var(--out) both; }
  .tr-lead.is-out { opacity: 0; transition: opacity .16s; }
  .tr-ans.is-in .tr-sub, .tr-ans.is-in .tr-when, .tr-ans.is-in .tr-acts { animation: trRise .7s var(--out) both .16s; }
  .tr-ans.is-in .tr-sub { animation-delay: .24s; }
  .tr-ans.is-in .tr-acts { animation-delay: .32s; }
  .tr-ref:not([hidden]) { animation: trFade .5s ease both; }
  .tr-s.is-now:not(.is-win):not(.is-warn) .tr-s__d::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #fff; animation: trRing 2.2s ease-out 4; }
  .tr-s.is-pop .tr-s__d { animation: trPop .42s var(--out) both; }
  .tr-ev.is-in .tr-ev__g > * { animation: trRise .7s var(--out) both; }
  .tr-ev.is-in .tr-ev__g > :nth-child(2) { animation-delay: .1s; }
  /* reveals are added by tr.js, so nothing here can ever leave content hidden */
  .tr-js [data-rv] { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--out) var(--d, 0ms), transform .9s var(--out) var(--d, 0ms); }
  .tr-js [data-rv].is-in { opacity: 1; transform: none; }
  .tr-js .tr-j .tr-j__d { transform: scale(.4); transition: transform .5s var(--out) .1s; }
  .tr-js .tr-j.is-in .tr-j__d { transform: none; }
  .tr-js .tr-j::after { transition: transform .9s var(--out) .25s; }
  .tr-js .tr-j.is-in::after { transform: scaleY(1); }
  .tr-j.is-here .tr-j__d::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--ink); animation: trRing 2.2s ease-out 4; }

  /* each test plays once, when it arrives. The DOM already holds its finished state. */
  .tr-js .tr-t:not(.is-on) .tr-viz, .tr-js .tr-t:not(.is-on) .tr-t__r { opacity: 0; }
  .tr-viz, .tr-t__r { transition: opacity .5s ease; }
  .tr-t.is-on .vz-tr__l { stroke-dasharray: 1; animation: trDash 1.5s cubic-bezier(.3, .1, .2, 1) both .1s; }
  .tr-t.is-on .vz-tr__a { animation: trFade 1s ease both .9s; }
  .tr-t.is-on .vz-id__r--s svg { animation: trIdIn 1s var(--out) both .2s; }
  .tr-t.is-on .vz-id__l { animation: trFade .6s ease both .9s; }
  .tr-t.is-on .vz-rule__m { animation: trRule 1s cubic-bezier(.2, .7, .1, 1) both; }
  .tr-t.is-on .vz-met li { animation: trPopIn .5s var(--out) both; animation-delay: calc(var(--i) * 90ms + .1s); }
  .tr-t.is-on .vz-met em { animation: trFade .4s ease both; animation-delay: calc(var(--i) * 90ms + .45s); }
  .tr-t.is-on .vz-dish__s { animation: trSweep 2.4s linear 2; }
  .tr-t.is-on .vz-dish span { animation: trFade .6s ease both 1s; }
  .tr-t.is-on .vz-g__f { animation: trDraw 1.1s var(--out) both .15s; }
  .tr-t.is-on .vz-fe__s { animation: trDraw 1.1s cubic-bezier(.3, .1, .2, 1) both .15s; }
  .tr-t.is-on .vz-fe__l { animation: trFade .6s ease both; }
  .tr-qr.on { animation: trFade .5s ease both; }
  .tr-cold:hover .tr-cold__v { transform: translateY(-3px); }
  .tr-cold__v { transition: transform .4s var(--out); }
  @supports selector(::details-content) {
    .tr-qs__l { interpolate-size: allow-keywords; }
    .tr-q::details-content { block-size: 0; overflow: clip; transition: block-size .3s var(--out), content-visibility .3s allow-discrete; }
    .tr-q[open]::details-content { block-size: auto; }
  }
}
@media (prefers-reduced-motion: reduce) { .tr-a, .tr-b, .tr-anim, .tr-btn, .tr-btn .tr-i, .tr-s__d { transition: none; } .tr-spin { border-top-color: rgba(255, 255, 255, .7); } }
@media print { .tr-stage, .tr-form { display: none !important; } }