/* VVDex public site — the assay office.
   Iron ground, machined hairlines, one signal colour (ember). The only light
   object on the page is the proof: the receipt slip. Fonts are self-hosted
   (no third-party requests). No inline scripts anywhere; motion only inside
   prefers-reduced-motion: no-preference, and every resting state is complete. */

@font-face { font-family: "Inter var"; src: url("/assets/site/fonts/inter-latin.woff2?v=c940764593d0") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Space Grotesk var"; src: url("/assets/site/fonts/space-grotesk-latin.woff2?v=a0d054c4af55") format("woff2");
  font-weight: 300 700; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono var"; src: url("/assets/site/fonts/jetbrains-mono-latin.woff2?v=d3dcdccdaba3") format("woff2");
  font-weight: 100 800; font-style: normal; font-display: swap; }

:root {
  color-scheme: dark;
  --iron: #0b0b0e;
  --coal: #111117;
  --plate: #17181f;
  --plate-2: #1d1f28;
  --slot: #0e0e13;
  --white: #f5f4f2;
  --smoke: #c9c7c2;
  --ash: #8e8c86;
  --soot: #585650;
  --ember: #ff6a2b;
  --ember-hi: #ffb15c;
  --ember-lo: #c93d12;
  --ember-dim: rgba(255, 106, 43, .12);
  --ember-line: rgba(255, 106, 43, .45);
  --hair: rgba(245, 244, 242, .08);
  --hair-2: rgba(245, 244, 242, .15);
  --paper: #f5f4f2;
  --ink: #0b0b0e;
  --sans: "Inter var", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --display: "Space Grotesk var", "Inter var", system-ui, sans-serif;
  --mono: "JetBrains Mono var", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--iron); scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0; background: var(--iron); color: var(--smoke);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--ember-dim); color: var(--white); }
a { color: var(--white); text-decoration: underline; text-decoration-color: var(--ember-line);
  text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:hover { color: var(--ember-hi); text-decoration-color: var(--ember-hi); }
:focus-visible { outline: 2px solid var(--ember-hi); outline-offset: 3px; border-radius: 3px; }
b, strong { color: var(--white); font-weight: 600; }
p { margin: 0 0 1em; text-wrap: pretty; }
code, kbd, samp { font-family: var(--mono); font-size: .88em; }
:not(pre) > code { color: var(--white); background: var(--plate); border: 1px solid var(--hair);
  padding: .08em .38em; border-radius: 4px; overflow-wrap: anywhere; }
h1, h2, h3, h4 { font-family: var(--display); color: var(--white); font-weight: 550; letter-spacing: -.03em;
  line-height: 1.12; margin: 0 0 .5em; text-wrap: balance; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 0; z-index: 100; background: var(--ember); color: var(--ink);
  padding: .6rem 1rem; border-radius: 0 0 6px 0; font-weight: 600; text-decoration: none; }
.skip:focus { left: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.mono { font-family: var(--mono); }
.nw { white-space: nowrap; }
.eyebrow { font: 500 .75rem/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ember-hi);
  margin: 0 0 1.1rem; display: flex; align-items: center; gap: .6rem; }
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--ember); }

/* ── buttons ─────────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 46px;
  padding: .7rem 1.25rem; border-radius: 8px; font: 600 .95rem/1 var(--sans); text-decoration: none;
  border: 1px solid transparent; transition: background .18s var(--ease), color .18s, border-color .18s, transform .18s; }
.btn-primary { background: var(--ember); color: var(--ink); border-color: #ff8a55;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, 0 8px 24px rgba(255, 106, 43, .18); }
.btn-primary:hover { background: var(--ember-hi); color: var(--ink); border-color: var(--ember-hi); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { color: var(--white); border-color: var(--hair-2); background: transparent; }
.btn-ghost:hover { border-color: var(--ember-line); color: var(--white); background: var(--ember-dim); }
.btn .arr { font-family: var(--mono); font-weight: 500; }
.btn-sm { min-height: 38px; padding: .5rem .95rem; font-size: .875rem; }

/* ── header ──────────────────────────────────────────────────────────── */
.site-head { position: sticky; top: 0; z-index: 40; background: rgba(11, 11, 14, .86);
  backdrop-filter: saturate(140%) blur(12px); -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--hair); }
.site-head .wrap { display: flex; align-items: center; gap: 1.5rem; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--white); text-decoration: none;
  font: 600 1.15rem/1 var(--display); letter-spacing: -.02em; flex-shrink: 0; }
.brand:hover { color: var(--white); }
.brand .mark { width: 26px; height: 29px; }
.mk-rule { fill: none; stroke: var(--smoke); vector-effect: non-scaling-stroke; }
.mk-face { fill: var(--ember); }
.nav { display: flex; align-items: center; gap: .25rem; margin-left: .5rem; }
.nav a { color: var(--smoke); text-decoration: none; font-size: .9rem; padding: .45rem .7rem; border-radius: 6px; }
.nav a:hover { color: var(--white); background: var(--plate); }
.nav a[aria-current="page"] { color: var(--white); box-shadow: inset 0 -2px 0 var(--ember); border-radius: 0; }
.head-actions { margin-left: auto; display: flex; align-items: center; gap: .75rem; }
.head-actions .signin { color: var(--smoke); text-decoration: none; font-size: .9rem; padding: .45rem .5rem; }
.head-actions .signin:hover { color: var(--white); }
.menu { display: none; position: relative; }
.menu > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: .5rem;
  min-height: 40px; padding: .4rem .8rem; border: 1px solid var(--hair-2); border-radius: 8px;
  color: var(--white); font-size: .875rem; }
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary .bars { width: 14px; height: 10px; position: relative; border-top: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor; }
.menu > summary .bars::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px;
  margin-top: -.75px; background: currentColor; }
.menu-panel { position: absolute; right: 0; top: calc(100% + 10px); width: min(300px, calc(100vw - 32px));
  background: var(--coal); border: 1px solid var(--hair-2); border-radius: 12px; padding: .6rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .6); display: grid; gap: .15rem; }
.menu-panel a { color: var(--smoke); text-decoration: none; padding: .7rem .8rem; border-radius: 8px; font-size: .95rem; }
.menu-panel a:hover, .menu-panel a[aria-current="page"] { background: var(--plate); color: var(--white); }
.menu-panel .btn { margin-top: .4rem; color: var(--ink); display: none; }
@media (max-width: 900px) {
  .nav, .head-actions .signin { display: none; }
  .menu { display: block; }
  .head-actions { gap: .5rem; }
}
@media (max-width: 359px) {
  .head-actions > .btn-primary { display: none; }
  .menu-panel .btn { display: inline-flex; }
}

/* ── footer ──────────────────────────────────────────────────────────── */
.site-foot { border-top: 1px solid var(--hair); background: var(--coal); margin-top: 6rem; padding: 3.5rem 0 2.5rem;
  font-size: .9rem; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 2rem; }
.foot-grid h2 { font: 500 .72rem/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ash);
  margin: 0 0 .9rem; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.foot-grid a { color: var(--smoke); text-decoration: none; }
.foot-grid a:hover { color: var(--white); text-decoration: underline; text-decoration-color: var(--ember-line); }
.foot-brand p { color: var(--ash); margin: .9rem 0 0; max-width: 30ch; }
.foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem 2rem; margin-top: 3rem;
  padding-top: 1.5rem; border-top: 1px solid var(--hair); color: var(--ash); font-size: .82rem; }
.foot-base a { color: var(--ash); }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }

/* ── home: hero ──────────────────────────────────────────────────────── */
.hero { position: relative; padding: clamp(3rem, 7vw, 6.5rem) 0 clamp(3rem, 6vw, 5rem); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(255, 106, 43, .10), transparent 60%); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--hair) 1px, transparent 1px), linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 30%, #000 20%, transparent 75%); }
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 5.2vw, 4.6rem); line-height: 1; letter-spacing: -.055em; margin-bottom: 1.5rem; }
.hero h1 .l2 { display: block; color: var(--ember); }
.hero .lede { font-size: clamp(1.08rem, 1.5vw, 1.25rem); line-height: 1.6; color: var(--smoke); max-width: 36rem;
  margin-bottom: 2rem; }
.hero .lede b { color: var(--white); font-weight: 550; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: .9rem 1rem; }
.cta-note { margin: 1.1rem 0 0; font: 400 .82rem/1.6 var(--mono); color: var(--ash); }
.facts { list-style: none; margin: 2.6rem 0 0; padding: 1.2rem 0 0; border-top: 1px solid var(--hair);
  display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: .5rem 2.2rem; }
.facts li { font-size: .88rem; color: var(--ash); }
.facts b { display: block; font: 550 1rem/1.3 var(--display); color: var(--white); letter-spacing: -.01em; }
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); }   /* the receipt slip must not set the column's width */
  .facts { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) { .facts { grid-template-columns: 1fr; } }

/* ── the receipt slip ────────────────────────────────────────────────── */
.slip { margin: 0; position: relative; justify-self: center; width: 100%; max-width: 440px; }
.slip-mouth { height: 14px; border-radius: 8px 8px 3px 3px; background: linear-gradient(#1b1c24, #0c0c10);
  border: 1px solid var(--hair-2); position: relative; z-index: 2; box-shadow: 0 10px 30px rgba(0, 0, 0, .6); }
.slip-mouth::after { content: ""; position: absolute; left: 6%; right: 6%; bottom: -1px; height: 2px;
  background: #000; border-radius: 2px; }
.slip-track { overflow: hidden; margin: -2px 12px 0; padding-bottom: 28px; }
.slip-paper { position: relative; background: var(--paper); color: var(--ink); padding: 1.4rem 1.4rem 1.2rem;
  font: 400 .8rem/1.5 var(--mono); box-shadow: 0 30px 60px rgba(0, 0, 0, .55), 0 2px 0 rgba(0, 0, 0, .1);
  background-image: repeating-linear-gradient(0deg, rgba(11, 11, 14, .025) 0 1px, transparent 1px 3px); }
.slip-paper::after { content: ""; position: absolute; left: 0; right: 0; bottom: -9px; height: 10px;
  background: linear-gradient(-45deg, transparent 6.5px, var(--paper) 0) 0 0 / 13px 10px repeat-x,
              linear-gradient(45deg, transparent 6.5px, var(--paper) 0) 0 0 / 13px 10px repeat-x; }
.slip-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; padding-bottom: .8rem;
  border-bottom: 1.5px dashed rgba(11, 11, 14, .35); }
.slip-head strong { color: var(--ink); font-weight: 700; letter-spacing: .18em; }
.slip-rows { margin: .7rem 0 0; display: grid; gap: .1rem; }
.slip-rows div { display: grid; grid-template-columns: 7.2rem minmax(0, 1fr); gap: .8rem; padding: .28rem 0;
  border-bottom: 1px dotted rgba(11, 11, 14, .16); }
.slip-rows dt { color: #4a4843; }
@media (max-width: 480px) { .slip-rows div { grid-template-columns: 5.8rem minmax(0, 1fr); gap: .6rem; } .slip-paper { padding: 1.2rem 1.1rem 1rem; } }
.slip-rows dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.slip-rows .sealrow dt, .slip-rows .sealrow dd { color: var(--ember-lo); font-weight: 600; }
.slip-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1rem; }
.slip-foot p { margin: 0; font-size: .72rem; color: #4a4843; line-height: 1.5; }
.slip-foot p span { display: block; color: var(--ink); white-space: nowrap; }
.stamp { width: 96px; height: 96px; flex-shrink: 0; transform: rotate(-11deg); color: var(--ember-lo); }
.stamp .ring { fill: none; stroke: currentColor; stroke-width: 2.5; }
.stamp .ring-2 { fill: none; stroke: currentColor; stroke-width: 1; }
.stamp .face { fill: currentColor; }
.stamp text { fill: currentColor; font: 700 7.4px/1 var(--mono); letter-spacing: .16em; }
.slip figcaption { margin-top: .6rem; text-align: center; font: 400 .78rem/1.5 var(--mono); color: var(--ash); }
@media (prefers-reduced-motion: no-preference) {
  .slip-paper { animation: print 1.5s var(--ease) .25s both; }
  .stamp { animation: stamp .45s cubic-bezier(.3, 1.6, .5, 1) 1.65s both; }
  .hero .reveal { animation: rise .8s var(--ease) both; }
  .hero .reveal:nth-child(2) { animation-delay: .08s; }
  .hero .reveal:nth-child(3) { animation-delay: .16s; }
  .hero .reveal:nth-child(4) { animation-delay: .24s; }
  .hero .reveal:nth-child(5) { animation-delay: .32s; }
}
@keyframes print { from { transform: translateY(-100%); } to { transform: none; } }
@keyframes stamp { 0% { opacity: 0; transform: rotate(-24deg) scale(1.7); } 70% { opacity: 1; }
  100% { opacity: 1; transform: rotate(-11deg) scale(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ── sections ────────────────────────────────────────────────────────── */
.section { padding: clamp(4rem, 8vw, 7rem) 0 0; }
.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head h2 { font-size: clamp(2rem, 4vw, 3.1rem); letter-spacing: -.045em; }
.section-head > p:not(.eyebrow):not(.aside-note) { font-size: 1.08rem; color: var(--smoke); margin: 0; max-width: 40rem; }
.section-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: clamp(2rem, 5vw, 5rem);
  align-items: start; }
@media (max-width: 900px) { .section-split { grid-template-columns: 1fr; } }

/* doors */
.doors { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--hair-2);
  border: 1px solid var(--hair-2); border-radius: 14px; overflow: hidden; }
.door { background: var(--coal); padding: clamp(1.5rem, 3vw, 2.2rem); display: flex; flex-direction: column; min-width: 0; }
.door .num { font: 500 .78rem/1 var(--mono); color: var(--ember-hi); letter-spacing: .1em; }
.door h3 { font-size: 1.6rem; margin: 1.1rem 0 .7rem; }
.door p { color: var(--smoke); }
.door ul { list-style: none; margin: .4rem 0 1.5rem; padding: 0; display: grid; gap: .55rem; font-size: .92rem; }
.door li { padding-left: 1.2rem; position: relative; color: var(--smoke); }
.door li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border: 1px solid var(--ember);
  transform: rotate(45deg); }
.door .more { margin-top: auto; font-size: .9rem; }
@media (max-width: 900px) { .doors { grid-template-columns: 1fr; } }

/* providers */
.providers { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .5rem; }
.providers li { font: 500 .88rem/1.2 var(--mono); color: var(--white); background: var(--plate); border: 1px solid var(--hair);
  border-radius: 8px; padding: .8rem .9rem; display: flex; align-items: center; gap: .6rem; min-width: 0; }
.providers li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ember); flex-shrink: 0;
  box-shadow: 0 0 10px rgba(255, 106, 43, .6); }
.providers li.own { grid-column: span 3; display: block; background: linear-gradient(135deg, var(--plate-2), var(--plate));
  border-color: var(--hair-2); padding: 1rem 1.1rem; }
.providers li.own::before { display: none; }
.providers li.own b { display: block; font: 550 1rem/1.3 var(--display); letter-spacing: -.01em; margin-bottom: .3rem; }
.providers li.own span { display: block; font: 400 .88rem/1.55 var(--sans); color: var(--smoke); }
@media (max-width: 640px) { .providers { grid-template-columns: 1fr 1fr; } .providers li.own { grid-column: span 2; } }
.aside-note { margin: 1.6rem 0 0; padding: 1rem 1.1rem; border-left: 2px solid var(--ember); background: var(--ember-dim);
  border-radius: 0 8px 8px 0; font-size: .95rem; color: var(--smoke); }

/* proof line */
.proof { position: relative; }
.proof-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1.25rem; counter-reset: step; position: relative; }
.proof-steps::before { content: ""; position: absolute; top: 21px; left: 22px; right: 22px; height: 1px;
  background: linear-gradient(90deg, var(--ember), var(--ember-hi) 60%, var(--hair-2)); }
.proof-steps li { position: relative; counter-increment: step; min-width: 0; }
.proof-steps .dot { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--iron);
  border: 1px solid var(--ember-line); color: var(--ember-hi); font: 500 .8rem/1 var(--mono); position: relative; z-index: 1;
  margin-bottom: 1.2rem; }
.proof-steps h3 { font-size: 1.15rem; letter-spacing: -.02em; margin-bottom: .45rem; }
.proof-steps p { font-size: .92rem; color: var(--smoke); margin: 0; }
.proof-steps code { font-size: .8em; }
@media (max-width: 1000px) {
  .proof-steps { grid-template-columns: 1fr; gap: 0; }
  .proof-steps::before { top: 22px; bottom: 22px; left: 21px; right: auto; width: 1px; height: auto;
    background: linear-gradient(180deg, var(--ember), var(--ember-hi) 60%, var(--hair-2)); }
  .proof-steps li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 0 1.2rem; padding-bottom: 1.8rem; }
  .proof-steps .dot { margin: 0; grid-row: span 2; }
}
.callouts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 3rem; }
.callout { border: 1px solid var(--hair-2); border-radius: 12px; padding: 1.4rem 1.5rem; background: var(--coal); }
.callout h3 { font-size: 1.1rem; margin-bottom: .4rem; }
.callout p { margin: 0; color: var(--smoke); font-size: .95rem; }
@media (max-width: 760px) { .callouts { grid-template-columns: 1fr; } }

/* exams */
.exams { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.exam { background: var(--coal); border: 1px solid var(--hair); border-radius: 12px; padding: 1.3rem 1.35rem 1.4rem;
  position: relative; overflow: hidden; min-width: 0; transition: border-color .2s var(--ease), transform .2s var(--ease); }
.exam::before { content: ""; position: absolute; top: 0; left: 1.35rem; width: 28px; height: 2px; background: var(--ember); }
.exam:hover { border-color: var(--ember-line); transform: translateY(-2px); }
.exam .id { font: 500 .76rem/1.4 var(--mono); color: var(--ember-hi); overflow-wrap: anywhere; }
.exam h3 { font-size: 1.2rem; margin: .5rem 0 .5rem; letter-spacing: -.02em; }
.exam p { margin: 0; font-size: .92rem; color: var(--smoke); }
@media (max-width: 960px) { .exams { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .exams { grid-template-columns: 1fr; } }

/* principles */
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--hair-2); }
.principle { padding: 1.6rem 1.6rem 1.6rem 0; border-bottom: 1px solid var(--hair-2); display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr); gap: 0 1rem; }
.principle:nth-child(odd) { border-right: 1px solid var(--hair-2); }
.principle:nth-child(even) { padding-left: 1.6rem; }
.principle .k { font: 500 .78rem/1.9 var(--mono); color: var(--ember-hi); }
.principle h3 { font-size: 1.15rem; margin-bottom: .35rem; letter-spacing: -.02em; }
.principle p { margin: 0; color: var(--smoke); font-size: .95rem; }
@media (max-width: 760px) {
  .principles { grid-template-columns: 1fr; }
  .principle, .principle:nth-child(even) { padding: 1.4rem 0; border-right: 0; }
  .principle:nth-child(odd) { border-right: 0; }
}

/* surfaces */
.surfaces { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .75rem; margin-bottom: 1.5rem; }
.surface { display: block; text-decoration: none; background: var(--plate); border: 1px solid var(--hair); border-radius: 10px;
  padding: 1rem 1.05rem; color: var(--smoke); min-width: 0; transition: border-color .2s, background .2s; }
.surface:hover { border-color: var(--ember-line); background: var(--plate-2); color: var(--smoke); }
.surface b { display: block; font: 550 1rem/1.3 var(--display); color: var(--white); margin-bottom: .3rem; }
.surface span { font-size: .85rem; line-height: 1.5; display: block; }
@media (max-width: 1000px) { .surfaces { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .surfaces { grid-template-columns: 1fr; } }

/* terminal / code */
.term { background: var(--slot); border: 1px solid var(--hair-2); border-radius: 12px; overflow: hidden; }
.term-bar { display: flex; align-items: center; gap: .4rem; padding: .65rem .9rem; border-bottom: 1px solid var(--hair);
  font: 500 .72rem/1 var(--mono); color: var(--ash); letter-spacing: .06em; }
.term-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--plate-2); border: 1px solid var(--hair-2); }
.term-bar span { margin-left: .5rem; }
pre { margin: 0; overflow-x: auto; }
.term pre, .code pre { padding: 1.1rem 1.2rem; font: 400 .85rem/1.7 var(--mono); color: var(--smoke); }
.term .p, .code .p { color: var(--ember); user-select: none; }
.term .c, .code .c { color: var(--ash); }
.term .s, .code .s { color: var(--ember-hi); }

/* plans strip (home) */
.plans-strip { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 1rem; }
.plan-mini { border: 1px solid var(--hair-2); border-radius: 12px; padding: 1.5rem; background: var(--coal); min-width: 0; }
.plan-mini.now { border-color: var(--ember-line); background: linear-gradient(160deg, rgba(255, 106, 43, .08), var(--coal) 55%); }
.plan-mini h3 { font-size: 1.3rem; margin-bottom: .2rem; }
.plan-mini .tag { font: 500 .72rem/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ash); }
.plan-mini.now .tag { color: var(--ember-hi); }
.plan-mini ul { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: .4rem; font-size: .9rem; }
.plan-mini li { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; border-bottom: 1px dotted var(--hair-2); padding-bottom: .4rem; }
.plan-mini li span:last-child { color: var(--white); font-family: var(--mono); font-size: .85rem; text-align: right; white-space: nowrap; }
@media (max-width: 900px) { .plans-strip { grid-template-columns: 1fr; } }

/* closing band */
.band { margin-top: clamp(4rem, 8vw, 7rem); }
.band-inner { border: 1px solid var(--ember-line); border-radius: 18px; padding: clamp(2rem, 5vw, 3.5rem);
  background: radial-gradient(50rem 20rem at 100% 0, rgba(255, 106, 43, .14), transparent 60%), var(--coal);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.band h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin: 0; max-width: 24ch; }
.band p { margin: .6rem 0 0; color: var(--smoke); }

/* ── inner pages ─────────────────────────────────────────────────────── */
.page-head { padding: clamp(3rem, 6vw, 5rem) 0 clamp(1.5rem, 3vw, 2.5rem); border-bottom: 1px solid var(--hair); }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -.05em; margin-bottom: .8rem; }
.page-head .lede { font-size: 1.1rem; max-width: 44rem; margin: 0; }
.prose { max-width: 46rem; }
.prose h2 { font-size: 1.55rem; margin: 2.6rem 0 .8rem; letter-spacing: -.03em; }
.prose h3 { font-size: 1.15rem; margin: 1.9rem 0 .5rem; letter-spacing: -.02em; }
.prose p, .prose li { color: var(--smoke); }
.prose ul, .prose ol { padding-left: 1.3rem; margin: 0 0 1.2em; }
.prose li { margin: .35rem 0; }
.prose li::marker { color: var(--ember); }
.prose .code, .prose .term { margin: 1.2rem 0 1.6rem; }
.prose table { margin: 1.2rem 0 1.8rem; }
.prose hr { border: 0; border-top: 1px solid var(--hair-2); margin: 2.5rem 0; }
.prose address { font-style: normal; color: var(--white); line-height: 1.7; }
.note { border: 1px solid var(--hair-2); border-left: 2px solid var(--ember); border-radius: 0 10px 10px 0;
  background: var(--coal); padding: 1rem 1.2rem; margin: 1.4rem 0; font-size: .95rem; }
.note p:last-child { margin: 0; }
.muted { color: var(--ash); }
.small { font-size: .88rem; }

.code { position: relative; background: var(--slot); border: 1px solid var(--hair-2); border-radius: 10px; }
.code .label { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .5rem .6rem .5rem 1rem;
  border-bottom: 1px solid var(--hair); font: 500 .72rem/1 var(--mono); color: var(--ash); letter-spacing: .06em; min-height: 38px; }
.copy { font: 500 .72rem/1 var(--mono); color: var(--smoke); background: var(--plate); border: 1px solid var(--hair-2);
  border-radius: 6px; padding: .4rem .6rem; cursor: pointer; }
.copy:hover { color: var(--white); border-color: var(--ember-line); }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--hair-2); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .75rem 1rem; border-bottom: 1px solid var(--hair); vertical-align: top; }
thead th { font: 500 .72rem/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ash);
  background: var(--coal); }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody th { font-weight: 500; color: var(--white); }
td.num { font-family: var(--mono); color: var(--white); white-space: nowrap; }
td code { white-space: normal; }

/* docs layout */
.docs { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); padding-top: 2.5rem; }
.docs-nav { position: sticky; top: 88px; align-self: start; font-size: .92rem; }
.docs-nav h2 { font: 500 .72rem/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ash); margin: 0 0 .7rem; }
.docs-nav ul { list-style: none; margin: 0 0 1.6rem; padding: 0; display: grid; gap: .1rem; }
.docs-nav a { display: block; color: var(--smoke); text-decoration: none; padding: .4rem .7rem; border-radius: 6px;
  border-left: 2px solid transparent; }
.docs-nav a:hover { color: var(--white); background: var(--plate); }
.docs-nav a[aria-current="page"] { color: var(--white); border-left-color: var(--ember); background: var(--coal); border-radius: 0 6px 6px 0; }
.docs-body { min-width: 0; }
.docs-body .page-title { padding-bottom: 1.5rem; border-bottom: 1px solid var(--hair); margin-bottom: .5rem; }
.docs-body .page-title h1 { font-size: clamp(2rem, 4vw, 2.8rem); letter-spacing: -.045em; margin-bottom: .6rem; }
.docs-body .page-title p:not(.eyebrow) { font-size: 1.08rem; margin: 0; max-width: 42rem; }
.docs-body .prose { max-width: 48rem; }
.step-list { list-style: none; counter-reset: s; padding: 0 !important; }
.step-list > li { counter-increment: s; position: relative; padding-left: 2.8rem; margin: 1.4rem 0 !important; }
.step-list > li::before { content: counter(s); position: absolute; left: 0; top: .05rem; width: 1.9rem; height: 1.9rem;
  border-radius: 50%; border: 1px solid var(--ember-line); display: grid; place-items: center;
  font: 500 .78rem/1 var(--mono); color: var(--ember-hi); }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; margin: 1.5rem 0; }
.cards a { display: block; text-decoration: none; border: 1px solid var(--hair-2); border-radius: 12px; padding: 1.2rem 1.25rem;
  background: var(--coal); color: var(--smoke); transition: border-color .2s; min-width: 0; }
.cards a:hover { border-color: var(--ember-line); color: var(--smoke); }
.cards b { display: block; font: 550 1.08rem/1.3 var(--display); color: var(--white); margin-bottom: .35rem; }
.cards span { font-size: .9rem; display: block; }
@media (max-width: 900px) {
  .docs { grid-template-columns: 1fr; padding-top: 1.5rem; }
  .docs-nav { position: static; border: 1px solid var(--hair-2); border-radius: 12px; padding: 1rem; background: var(--coal); }
  .docs-nav ul { grid-template-columns: 1fr 1fr; margin-bottom: 1rem; }
  .docs-nav ul:last-child { margin-bottom: 0; }
}
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 2.5rem; }
.plan { border: 1px solid var(--hair-2); border-radius: 16px; padding: 1.8rem; background: var(--coal); display: flex;
  flex-direction: column; min-width: 0; }
.plan.now { border-color: var(--ember-line); background: linear-gradient(170deg, rgba(255, 106, 43, .09), var(--coal) 50%);
  box-shadow: 0 30px 70px rgba(255, 106, 43, .06); }
.plan .tag { font: 500 .72rem/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ash); }
.plan.now .tag { color: var(--ember-hi); }
.plan h2 { font-size: 1.7rem; margin: .5rem 0 .2rem; }
.plan .price { font: 550 2.4rem/1.1 var(--display); color: var(--white); letter-spacing: -.04em; margin: .6rem 0 .2rem; }
.plan .price small { font: 400 .9rem/1 var(--sans); color: var(--ash); letter-spacing: 0; }
.plan .price.na { font-size: 1.35rem; color: var(--smoke); padding: .55rem 0; }
.plan .sub { color: var(--ash); font-size: .9rem; margin-bottom: 1.3rem; }
.plan ul { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: .5rem; font-size: .92rem; }
.plan li { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; border-bottom: 1px dotted var(--hair-2); padding-bottom: .5rem; }
.plan li span:last-child { font-family: var(--mono); color: var(--white); font-size: .86rem; text-align: right; white-space: nowrap; }
.plan .btn { margin-top: auto; }
.plan .btn[aria-disabled="true"] { opacity: .6; pointer-events: none; }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; } }
.yes { color: var(--ember-hi) !important; }
.faq { max-width: 50rem; }
.faq details { border-bottom: 1px solid var(--hair-2); padding: 1.1rem 0; }
.faq summary { cursor: pointer; font: 550 1.08rem/1.4 var(--display); color: var(--white); list-style: none; display: flex;
  justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--ember); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: .8rem 0 0; color: var(--smoke); }

/* status */
.status-banner { display: flex; align-items: center; gap: 1rem; border: 1px solid var(--hair-2); border-radius: 14px;
  padding: 1.3rem 1.5rem; background: var(--coal); margin-top: 2rem; }
.status-banner .led { width: 14px; height: 14px; border-radius: 50%; background: var(--soot); flex-shrink: 0; }
.status-banner[data-state="ok"] .led { background: #e8e3d8; box-shadow: 0 0 0 4px rgba(232, 227, 216, .12); }
.status-banner[data-state="degraded"] .led { background: var(--ember-hi); box-shadow: 0 0 0 4px rgba(255, 177, 92, .15); }
.status-banner[data-state="down"] .led { background: var(--ember); box-shadow: 0 0 0 4px rgba(255, 106, 43, .2); }
.status-banner[data-state="down"] { border-color: var(--ember-line); }
.status-banner h2 { margin: 0; font-size: 1.35rem; }
.status-banner p { margin: .2rem 0 0; color: var(--ash); font-size: .88rem; font-family: var(--mono); }
.components { list-style: none; margin: 1.5rem 0 0; padding: 0; border: 1px solid var(--hair-2); border-radius: 14px; overflow: hidden; }
.components li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .3rem 1.5rem; padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--hair); background: var(--iron); }
.components li:last-child { border-bottom: 0; }
.components b { font: 550 1.02rem/1.4 var(--display); }
.components .state { font: 500 .8rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--smoke);
  align-self: center; }
.components .state[data-tone="ok"] { color: var(--white); }
.components .state[data-tone="warn"] { color: var(--ember-hi); }
.components .state[data-tone="bad"] { color: var(--ember); }
.components .detail { grid-column: 1 / -1; color: var(--ash); font-size: .88rem; margin: 0; }

/* check receipt */
.checker { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 2rem; margin-top: 2.5rem; align-items: start; }
@media (max-width: 900px) { .checker { grid-template-columns: 1fr; } }
.field-label { display: block; font: 500 .75rem/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ash);
  margin-bottom: .6rem; }
textarea { width: 100%; min-height: 300px; resize: vertical; background: var(--slot); color: var(--white);
  border: 1px solid var(--hair-2); border-radius: 10px; padding: 1rem; font: 400 .82rem/1.6 var(--mono); }
textarea:focus { outline: none; border-color: var(--ember-line); box-shadow: 0 0 0 3px var(--ember-dim); }
.checker-actions { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-top: 1rem; }
.file-btn { position: relative; }
.file-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.file-btn:focus-within { outline: 2px solid var(--ember-hi); outline-offset: 3px; }
.result-panel { border: 1px solid var(--hair-2); border-radius: 14px; background: var(--coal); padding: 1.4rem; min-height: 200px; }
.result-panel h2 { font-size: 1.25rem; margin-bottom: .3rem; }
.result-panel[data-state="valid"] { border-color: rgba(232, 227, 216, .35); }
.result-panel[data-state="invalid"], .result-panel[data-state="error"] { border-color: var(--ember-line); }
.verdict { display: inline-flex; align-items: center; gap: .5rem; font: 600 .78rem/1 var(--mono); letter-spacing: .1em;
  text-transform: uppercase; padding: .45rem .7rem; border-radius: 6px; margin-bottom: 1rem; border: 1px solid var(--hair-2); }
.verdict[data-v="valid"] { color: var(--ink); background: #e8e3d8; border-color: #e8e3d8; }
.verdict[data-v="invalid"] { color: var(--ink); background: var(--ember); border-color: var(--ember); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.checks li { display: grid; grid-template-columns: 1.4rem minmax(0, 1fr); gap: .6rem; font-size: .92rem; padding: .6rem .7rem;
  background: var(--iron); border: 1px solid var(--hair); border-radius: 8px; }
.checks .mark { font: 600 .9rem/1.5 var(--mono); }
.checks li[data-ok="true"] .mark { color: var(--white); }
.checks li[data-ok="false"] .mark { color: var(--ember); }
.checks b { font-family: var(--mono); font-weight: 500; font-size: .85rem; }
.checks span { display: block; color: var(--smoke); overflow-wrap: anywhere; }

/* 404 */
.lost { padding-top: clamp(4rem, 10vw, 8rem); padding-bottom: clamp(4rem, 10vw, 8rem); }
.lost .code404 { font: 500 .8rem/1 var(--mono); color: var(--ember-hi); letter-spacing: .2em; }
.lost h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); letter-spacing: -.05em; margin: 1rem 0; max-width: 16ch; }
.lost ul { list-style: none; padding: 0; margin: 2rem 0 0; display: flex; flex-wrap: wrap; gap: .6rem; }

/* spacing helpers */
.mt-sm { margin-top: 1.4rem; }
.mt-md { margin-top: 2rem; }
.mt-lg { margin-top: 2.5rem; }
.mt-xl { margin-top: 3rem; }
.prose dl { margin: 1rem 0 1.5rem; }
.prose dt { margin-top: 1rem; }
.prose dd { margin: .25rem 0 0; }
.prose dd p { margin: 0; }
@media (max-width: 600px) {
  th, td { padding: .6rem .5rem; font-size: .84rem; }
  th:first-child, td:first-child { padding-left: .8rem; }
  td.num { font-size: .78rem; }
}

/* ── forge: how it works ─────────────────────────────────────────────── */
.hero-plain .wrap { grid-template-columns: minmax(0, 1fr); max-width: var(--wrap); }
.hero-plain .lede { max-width: 44rem; }
.proof-steps-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.chain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px;
  background: var(--hair-2); border: 1px solid var(--hair-2); border-radius: 14px; overflow: hidden; }
.station { background: var(--coal); padding: 1.4rem 1.4rem 1.5rem; min-width: 0; display: flex; flex-direction: column; gap: .7rem; }
.station-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem .8rem; }
.station-n { font: 500 .72rem/1 var(--mono); letter-spacing: .12em; color: var(--ash); flex-basis: 100%; }
.station h3 { font-size: 1.25rem; margin: 0; }
.verdict { font: 500 .74rem/1 var(--mono); color: #8fc79a; border: 1px solid rgba(143, 199, 154, .35);
  background: rgba(143, 199, 154, .08); border-radius: 4px; padding: .3rem .45rem; }
.station p { margin: 0; font-size: .92rem; color: var(--smoke); }
.receipts { list-style: none; margin: auto 0 0; padding: 0; display: grid; gap: .45rem; }
.receipts li { display: grid; grid-template-columns: 1.4rem minmax(0, 1fr); gap: .5rem; align-items: start; }
.receipts .rlabel { grid-column: 2; font: 500 .72rem/1.3 var(--mono); color: var(--ash); margin-bottom: -.25rem; }
.receipts .rlabel + code { grid-column: 2; }
.receipts code { display: block; font-size: .74rem; line-height: 1.5; color: var(--white); background: var(--slot);
  border: 1px solid var(--hair); border-radius: 6px; padding: .45rem .55rem; overflow-wrap: anywhere; }
.src { font: 600 .7rem/1 var(--mono); color: var(--ember-hi); border: 1px solid var(--ember-line); border-radius: 4px;
  width: 1.4rem; height: 1.4rem; display: grid; place-items: center; margin-top: .25rem; }
.chain-sources { list-style: none; margin: 1.2rem 0 0; padding: 0; display: grid; gap: .5rem; font-size: .88rem; color: var(--smoke); }
.chain-sources li { display: flex; gap: .6rem; align-items: baseline; }
.chain-sources .src { margin: 0; flex-shrink: 0; }
@media (max-width: 1000px) { .chain { grid-template-columns: 1fr 1fr; } .proof-steps-4 { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .chain { grid-template-columns: 1fr; } }
.boxes { margin: 0; display: grid; gap: .8rem; }
.box { border: 1px solid var(--hair-2); border-radius: 12px; padding: 1.2rem 1.3rem; display: grid; gap: .35rem; background: var(--coal); }
.box .mono { font-size: .74rem; letter-spacing: .12em; color: var(--ash); }
.box b { font: 550 1.1rem/1.3 var(--display); }
.box span:last-child { font-size: .88rem; color: var(--smoke); }
.box-agent { border-color: var(--ember-line); }
.box-grade { background: var(--plate); }
.box-link { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .4rem 1rem; font: 500 .78rem/1.4 var(--mono);
  color: var(--ash); padding: 0 .4rem; }
.box-link .no { color: var(--ember-hi); }

/* ── model results ───────────────────────────────────────────────────── */
.page-head .lede { font-size: 1.1rem; max-width: 46rem; }
.section-tight { padding-top: clamp(2.5rem, 5vw, 4rem); }
.faint { color: var(--soot); }
.res-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--hair-2);
  border: 1px solid var(--hair-2); border-radius: 12px; overflow: hidden; margin-top: 2rem; }
.res-facts:empty { display: none; }
.res-facts div { background: var(--coal); padding: 1.1rem 1.2rem; display: grid; gap: .2rem; }
.res-facts b { font: 550 1.9rem/1.1 var(--display); letter-spacing: -.03em; }
.res-facts span { font-size: .84rem; color: var(--ash); }
.res-models { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.res-model { background: var(--coal); border: 1px solid var(--hair); border-radius: 12px; padding: 1.3rem 1.35rem; min-width: 0; }
.res-model-head { display: flex; justify-content: space-between; align-items: flex-start; gap: .8rem; }
.res-model h3 { font-size: 1.2rem; margin: 0; letter-spacing: -.02em; }
.res-model > p { margin: .25rem 0 .6rem; overflow-wrap: anywhere; }
.res-model ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.res-model li { border-top: 1px solid var(--hair); padding-top: .8rem; display: grid; gap: .35rem; }
.res-row { display: flex; justify-content: space-between; align-items: baseline; gap: .8rem; }
.res-row b { font-size: 1.05rem; }
.res-kind { font: 500 .7rem/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--smoke);
  border: 1px solid var(--hair-2); border-radius: 4px; padding: .32rem .45rem; white-space: nowrap; }
.res-kind.agent { color: var(--ember-hi); border-color: var(--ember-line); }
.res-bar { position: relative; height: 8px; background: var(--slot); border: 1px solid var(--hair); border-radius: 4px; }
.res-bar i { position: absolute; top: 0; bottom: 0; background: var(--ember-dim); border-left: 1px solid var(--ember-line);
  border-right: 1px solid var(--ember-line); }
.res-bar em { position: absolute; top: -3px; bottom: -3px; width: 2px; margin-left: -1px; background: var(--ember); }
.res-camps { display: grid; gap: 1.2rem; }
.res-camp { background: var(--coal); border: 1px solid var(--hair); border-radius: 12px; padding: 1.3rem 1.35rem; min-width: 0;
  display: grid; gap: .6rem; }
.res-camp .eyebrow { margin: 0; }
.res-camp h3 { font-size: 1rem; margin: 0; }
.res-camp p { margin: 0; }
.res-matrix table { width: 100%; border-collapse: collapse; font: 400 .84rem/1.4 var(--mono); }
.res-matrix th, .res-matrix td { padding: .55rem .75rem; text-align: right; border-top: 1px solid var(--hair); white-space: nowrap; }
.res-matrix thead th { border-top: 0; color: var(--ash); font-weight: 500; font-size: .76rem; }
.res-matrix th[scope="row"], .res-matrix thead th:first-child { text-align: left; font-family: var(--sans); color: var(--white); font-weight: 550; }
.res-matrix td.ok { color: #8fc79a; }
.res-matrix td.bad { color: #ff6b61; }
.res-matrix td.rate { color: var(--white); }
.res-matrix small { color: var(--ash); }
.res-links { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; font-size: .9rem; }
.res-more { border: 1px solid var(--hair); border-radius: 12px; padding: 1rem 1.2rem; display: grid; gap: 1rem; }
.res-more summary { cursor: pointer; color: var(--smoke); font-weight: 550; }
@media (max-width: 760px) { .res-facts { grid-template-columns: 1fr 1fr; } .res-models { grid-template-columns: 1fr; } }

/* ══ home, product-first: what it is · how to use · what it does · evidence · questions ══ */
.h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); letter-spacing: -.04em; margin: 0 0 2rem; }
.h-hero { position: relative; padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem); overflow: hidden; }
.h-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(56rem 28rem at 88% -8%, rgba(255, 106, 43, .09), transparent 60%); }
.h-hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.h-hero h1 { font-size: clamp(2.6rem, 5.4vw, 4.4rem); line-height: 1.02; letter-spacing: -.055em; margin: 0 0 1.4rem; }
.h-hero .lede { font-size: clamp(1.05rem, 1.4vw, 1.2rem); line-height: 1.62; color: var(--smoke); max-width: 34rem; margin: 0 0 2rem; }
.h-proof { margin: 0; border: 1px solid var(--hair-2); border-radius: 14px; background: linear-gradient(180deg, var(--plate), var(--coal));
  padding: 1.3rem 1.4rem 1.1rem; box-shadow: 0 30px 80px -40px rgba(0, 0, 0, .8); }
.h-proof-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: .6rem; }
.h-proof-head b { font: 550 1rem/1.2 var(--display); color: var(--white); }
.h-proof-head span { font: 400 .78rem/1.3 var(--mono); color: var(--ash); text-align: right; }
.h-proof figcaption { margin-top: .9rem; font-size: .8rem; color: var(--ash); }
@media (max-width: 960px) { .h-hero .wrap { grid-template-columns: minmax(0, 1fr); } }

/* published results as a ranked table */
.board { width: 100%; border-collapse: collapse; font-size: .92rem; }
.board th { text-align: left; font: 500 .74rem/1 var(--sans); color: var(--ash); padding: .5rem .5rem .7rem; border-bottom: 1px solid var(--hair-2); }
.board td { padding: .8rem .5rem; border-bottom: 1px solid var(--hair); vertical-align: middle; }
.board tr:last-child td { border-bottom: 0; }
.board .rk { width: 1.6rem; color: var(--soot); font-family: var(--mono); }
.board .num { text-align: right; white-space: nowrap; font-family: var(--mono); color: var(--white); }
.board .of { color: var(--soot); }
.board .bsc { width: 48%; }
.bname { color: var(--white); font-weight: 550; }
.bkind { margin-left: .5rem; font-size: .74rem; color: var(--soot); }
.bcell { display: flex; align-items: center; gap: .8rem; }
.bscore { flex: none; width: 3.1rem; font-family: var(--mono); color: var(--white); }
.sbar { position: relative; flex: 1; min-width: 3rem; height: 8px; border-radius: 4px; background: rgba(245, 244, 242, .07); }
.sbar i { position: absolute; top: 0; bottom: 0; border-radius: 4px; background: rgba(255, 106, 43, .3); }
.sbar em { position: absolute; top: -3px; bottom: -3px; width: 3px; margin-left: -1.5px; border-radius: 2px; background: var(--ember); }
.grid-wrap { overflow-x: auto; }
.xgrid { border-collapse: separate; border-spacing: 3px; font: 500 .78rem/1 var(--mono); }
.xgrid thead th { font: 500 .74rem/1.2 var(--sans); color: var(--ash); padding: 0 .4rem .4rem; text-align: center; white-space: nowrap; }
.xgrid tbody th { text-align: left; color: var(--white); padding: 0 .9rem 0 0; font: 550 .86rem/1.2 var(--sans); white-space: nowrap; }
.xgrid td { min-width: 4.2rem; height: 2.2rem; text-align: center; border-radius: 5px; color: var(--white); }
.xgrid .t0 { background: rgba(255, 107, 97, .22); } .xgrid .t1 { background: rgba(255, 107, 97, .12); }
.xgrid .t2 { background: rgba(242, 180, 90, .16); } .xgrid .t3 { background: rgba(143, 199, 154, .18); }
.xgrid .t4 { background: rgba(143, 199, 154, .34); } .xgrid .na { color: var(--soot); }

/* how to use: three steps, each with a small piece of the product */
.steps3 { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.steps3 li { display: grid; align-content: start; gap: .5rem; }
.steps3 .n { font: 500 .78rem/1 var(--mono); color: var(--ember-hi); margin-top: .9rem; }
.steps3 h3 { font-size: 1.2rem; letter-spacing: -.02em; margin: 0; }
.steps3 p { margin: 0; color: var(--smoke); font-size: .95rem; }
.art { height: 9.5rem; border: 1px solid var(--hair-2); border-radius: 12px; background: var(--coal); padding: 1.1rem;
  display: grid; align-content: center; gap: .6rem; overflow: hidden; }
.art-field { display: grid; gap: .35rem; }
.art-field span { font-size: .72rem; color: var(--ash); }
.art-field code { display: block; background: var(--slot); border: 1px solid var(--hair-2); border-radius: 7px; padding: .55rem .7rem; color: var(--white); font-size: .82rem; }
.art-chips { display: flex; gap: .35rem; flex-wrap: wrap; }
.art-chips i { font: 500 .72rem/1 var(--sans); font-style: normal; color: var(--smoke); border: 1px solid var(--hair-2); border-radius: 6px; padding: .35rem .5rem; }
.art-row { display: flex; justify-content: space-between; gap: .8rem; align-items: baseline; padding: .5rem .65rem; border-radius: 7px; background: var(--plate); }
.art-row b { font-weight: 500; font-size: .8rem; color: var(--white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.art-row span { font-size: .7rem; color: var(--ash); flex: none; }
.art-meta { font: 400 .74rem/1.3 var(--mono); color: var(--ash); }
.art-score { display: flex; align-items: baseline; gap: .6rem; }
.art-score b { font: 550 1.8rem/1 var(--display); color: var(--white); letter-spacing: -.03em; }
.art-score span { font-size: .8rem; color: var(--ash); }
.art-bar { position: relative; height: 8px; border-radius: 4px; background: rgba(245, 244, 242, .07); }
.art-bar i { position: absolute; top: 0; bottom: 0; border-radius: 4px; background: rgba(255, 106, 43, .3); }
.art-bar em { position: absolute; top: -3px; bottom: -3px; width: 3px; border-radius: 2px; background: var(--ember); }
@media (max-width: 900px) { .steps3 { grid-template-columns: minmax(0, 1fr); } }

/* what it does: six plain statements */
.what { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem 2.5rem; }
.what > div { border-top: 1px solid var(--hair-2); padding-top: 1.1rem; }
.what h3 { font-size: 1.08rem; letter-spacing: -.015em; margin: 0 0 .45rem; }
.what p { margin: 0; color: var(--smoke); font-size: .94rem; }
@media (max-width: 960px) { .what { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .what { grid-template-columns: 1fr; } }

/* evidence */
.evi-head { max-width: 44rem; }
.evi-head .h2 { margin-bottom: .8rem; }
.evi-head p { color: var(--smoke); margin: 0 0 2rem; font-size: 1.02rem; }
.evi { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: 2.5rem; align-items: start; }
.evi-board { border: 1px solid var(--hair-2); border-radius: 14px; background: var(--coal); padding: 1.3rem 1.4rem; min-width: 0; }
.evi-meta { margin: 0 0 .6rem; }
.evi-sub { font-size: .95rem; margin: 1.8rem 0 .6rem; }
.evi-board .res-links { margin-top: 1.3rem; }
.evi-facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.4rem; }
.evi-facts b { display: block; font: 550 2.2rem/1 var(--display); color: var(--white); letter-spacing: -.04em; }
.evi-facts span { color: var(--ash); font-size: .9rem; }
.evi-links { display: grid; gap: .5rem; padding-top: 1.2rem; border-top: 1px solid var(--hair-2); font-size: .92rem; }
@media (max-width: 960px) { .evi { grid-template-columns: minmax(0, 1fr); } .evi-facts { grid-template-columns: repeat(3, minmax(0, 1fr)); } .evi-links { grid-column: 1 / -1; } }
@media (max-width: 560px) { .evi-facts { grid-template-columns: 1fr; } }

/* questions: the provider list sits inside its answer */
.faq .providers { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; padding: 0; margin: .8rem 0; }
.faq .providers li { font: 500 .8rem/1 var(--sans); color: var(--white); border: 1px solid var(--hair-2); border-radius: 6px; padding: .4rem .55rem; background: none; }
.faq .providers li::before { display: none; }

/* public leaderboard page */
.camp-pick { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.4rem; }
.camp-pick button { height: 2.1rem; padding: 0 .8rem; border-radius: 7px; border: 1px solid var(--hair-2); background: none; color: var(--ash);
  font: 500 .82rem/1 var(--sans); cursor: pointer; }
.camp-pick button:hover { color: var(--white); }
.camp-pick button[aria-pressed="true"] { color: var(--white); background: var(--plate); border-color: var(--hair-2); box-shadow: inset 0 0 0 1px rgba(255, 106, 43, .4); }
.res-board { border: 1px solid var(--hair-2); border-radius: 14px; background: var(--coal); padding: 1.4rem; }
.res-head { display: grid; gap: .5rem; margin-bottom: 1rem; }
.res-head h2 { font-size: 1.3rem; letter-spacing: -.02em; margin: 0; }
.res-head p { margin: 0; }

.xgrid th, .xgrid td { border: 0; vertical-align: middle; }
.camp-more { align-self: center; margin-left: .4rem; font-size: .82rem; }


/* teams and how-it's-built pages */
.teams-q { list-style: none; margin: .4rem 0 0; padding: 0; display: grid; gap: .9rem; }
.teams-q li { display: grid; gap: .2rem; padding-top: .8rem; border-top: 1px solid var(--hair); }
.teams-q li:first-child { border-top: 0; padding-top: .2rem; }
.teams-q b { color: var(--white); font: 550 1rem/1.3 var(--display); }
.teams-q span { color: var(--smoke); font-size: .9rem; }
.offers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.offers article { border: 1px solid var(--hair-2); border-radius: 14px; background: var(--coal); padding: 1.4rem; display: grid; gap: .6rem; align-content: start; }
.offers .n { font: 500 .78rem/1 var(--mono); color: var(--ember-hi); }
.offers h3 { font-size: 1.2rem; margin: 0; }
.offers p { margin: 0; color: var(--smoke); font-size: .94rem; }
.steps4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.built { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 2.5rem; }
.built article { border-top: 1px solid var(--hair-2); padding-top: 1.1rem; }
.built h2 { font-size: 1.25rem; letter-spacing: -.02em; margin: 0 0 .5rem; }
.built p { margin: 0; color: var(--smoke); }
@media (max-width: 960px) { .offers { grid-template-columns: 1fr; } .steps4 { grid-template-columns: 1fr 1fr; } .built { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .steps4 { grid-template-columns: 1fr; } }
.req-note { margin: 0 0 1.5rem; }

/* ---------- book a call ---------- */
.book { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 3rem; padding-top: 2.5rem; padding-bottom: 4rem; }
.book-form { display: grid; gap: 1.1rem; }
.book-form label { display: grid; gap: .4rem; font-size: .92rem; color: var(--smoke); }
.book-form .opt { color: var(--ash); font-size: .8rem; }
.book-form input:not([type=radio]), .book-form textarea { font: inherit; color: var(--white); background: var(--plate);
  border: 1px solid var(--hair-2); border-radius: 8px; padding: .7rem .85rem; width: 100%; }
.book-form textarea { resize: vertical; min-height: 8rem; }
.book-form input:focus, .book-form textarea:focus { outline: 2px solid var(--ember-line); outline-offset: 1px; border-color: var(--ember-line); }
.book-form fieldset { border: 1px solid var(--hair); border-radius: 10px; padding: .8rem 1rem 1rem; margin: 0; display: grid; gap: .55rem; }
.book-form legend { padding: 0 .35rem; font-size: .92rem; color: var(--smoke); }
.book-form .choice { display: flex; gap: .6rem; align-items: center; color: var(--white); }
.book-form .choice input { accent-color: var(--ember); }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.f-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.f-status { margin: 0; font-size: .92rem; color: var(--smoke); }
.f-status[data-tone=ok] { color: #7fd6a4; }
.f-status[data-tone=bad] { color: var(--ember-hi); }
.f-note { margin: 0; font-size: .82rem; color: var(--ash); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.book-side h2 { font-size: 1.05rem; margin: 0 0 .8rem; }
.book-side h2 + p { margin: 0; }
.book-side ul { list-style: none; margin: 0 0 2rem; padding: 0; display: grid; gap: .9rem; }
.book-side li { display: grid; gap: .2rem; border-top: 1px solid var(--hair); padding-top: .8rem; }
.book-side li span { color: var(--smoke); font-size: .92rem; }
@media (max-width: 860px) { .book { grid-template-columns: 1fr; gap: 2rem; } }
@media (max-width: 560px) { .f-row { grid-template-columns: 1fr; } }

/* ══ motion ═════════════════════════════════════════════════════════════════════
   Reveals are added by site.js only to what starts below the fold, so nothing that
   is already on screen flickers. Everything stops for prefers-reduced-motion. */
.pre { opacity: 0; transform: translateY(22px); filter: blur(6px); }
.is-in { opacity: 1; transform: none; filter: none;
  transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease); transition-delay: calc(var(--i, 0) * 90ms); }
.rise .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .06em; margin-bottom: -.06em; }
.rise .w > span { display: inline-block; animation: rise 1s var(--ease) both; animation-delay: calc(var(--i) * 70ms + 80ms); }
@keyframes rise { from { transform: translateY(105%); } }
[data-spot] { position: relative; }
[data-spot]::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 106, 43, .10), transparent 45%); }
[data-spot]:hover::before { opacity: 1; }
.grain { position: absolute; inset: 0; pointer-events: none; opacity: .07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.glow { position: absolute; pointer-events: none; border-radius: 50%; filter: blur(80px); opacity: .55; }
.glow.g1 { width: 520px; height: 520px; right: -120px; top: -160px; background: radial-gradient(circle, rgba(255, 106, 43, .35), transparent 65%); animation: drift1 18s ease-in-out infinite alternate; }
.glow.g2 { width: 420px; height: 420px; left: -160px; bottom: -220px; background: radial-gradient(circle, rgba(255, 177, 92, .18), transparent 65%); animation: drift2 22s ease-in-out infinite alternate; }
@keyframes drift1 { to { transform: translate(-80px, 60px) scale(1.1); } }
@keyframes drift2 { to { transform: translate(90px, -50px) scale(.9); } }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 2.8rem; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font: 500 1.05rem/1 var(--display); color: var(--ash); white-space: nowrap; letter-spacing: -.01em; }
.marquee-track span b { color: var(--white); font-weight: 500; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .pre { opacity: 1; transform: none; filter: none; }
  .marquee-track { flex-wrap: wrap; width: auto; }
}

/* ── watch a run ── */
.rp-hero { position: relative; overflow: hidden; padding: clamp(3.5rem, 7vw, 6rem) 0 2rem; }
.rp-hero .wrap { position: relative; }
.rp-hero h1 { font-size: clamp(2.5rem, 6vw, 4.8rem); line-height: 1.02; letter-spacing: -.055em; max-width: 15ch; margin: .4rem 0 1.3rem; }
.rp-hero .lede { max-width: 44rem; color: var(--smoke); font-size: clamp(1.02rem, 1.4vw, 1.15rem); line-height: 1.65; margin: 0; }
.rp-stage { padding: 1rem 0 0; }
.rp-hint { margin: .9rem 0 0; font: 400 .76rem/1.5 var(--mono); color: var(--ash); }

/* ══ home, in motion ══════════════════════════════════════════════════════════════ */
.h-hero .wrap { z-index: 1; }
.h-hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 140px; pointer-events: none; background: linear-gradient(180deg, transparent, var(--iron)); }
.h-hero h1.rise { font-size: clamp(2.7rem, 5.6vw, 4.6rem); }
.h-player { margin: 0; position: relative; }
.h-player::before { content: ""; position: absolute; inset: -30px -20px; z-index: -1; border-radius: 30px;
  background: radial-gradient(60% 60% at 60% 40%, rgba(255, 106, 43, .18), transparent 70%); filter: blur(10px); }
.h-player figcaption { margin-top: .8rem; font-size: .8rem; color: var(--ash); }
.h-player .rpl { transform: perspective(1400px) rotateY(-5deg) rotateX(2deg); transform-origin: left center; transition: transform .8s var(--ease); }
.h-player:hover .rpl { transform: none; }
.tested-strip { border-block: 1px solid var(--hair); padding: 1.1rem 0; margin-top: clamp(1rem, 3vw, 2.5rem); }
.tested-strip .wrap { display: flex; align-items: center; gap: 1.6rem; }
.ts-label { flex: none; font: 500 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ember); }
.tested-strip .marquee { flex: 1; min-width: 0; min-height: 1.2rem; }

/* the scroll story: the picture stays; the step in view lights its part */
.story { padding: clamp(4rem, 8vw, 7rem) 0 0; }
.story-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.story-visual { position: sticky; top: 96px; }
.story-svg { width: 100%; height: auto; display: block; overflow: visible; }
.story-steps { list-style: none; margin: 0; padding: 0; }
.story-steps li { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; opacity: .32; transition: opacity .5s var(--ease); }
.story-steps li:last-child { min-height: 48vh; }
.story-steps li.on { opacity: 1; }
.story-steps .n { font: 500 .8rem/1 var(--mono); color: var(--ember); letter-spacing: .1em; }
.story-steps h3 { font-size: clamp(1.4rem, 2.4vw, 2rem); letter-spacing: -.03em; margin: .7rem 0 .8rem; }
.story-steps p { color: var(--smoke); font-size: 1.02rem; line-height: 1.65; margin: 0; max-width: 30rem; }
.story-svg text { font-family: var(--mono); fill: var(--ash); }
.story-svg .t1 { font: 600 15px var(--display); fill: var(--white); }
.story-svg .t3 { font-size: 11px; fill: var(--smoke); }
.story-svg .t4 { font-size: 10px; fill: var(--ash); }
.story-svg .ember { fill: var(--ember); }
.story-svg .nd > rect:not(.hatch):not(.gscan), .story-svg .nd > path:not(.fold) { fill: #121219; stroke: rgba(245, 244, 242, .16); stroke-width: 1.2; }
.story-svg .hatch { fill: url(#sg-hatch); stroke: none; opacity: .0; transition: opacity .6s; }
.story-svg .nd { opacity: .38; transition: opacity .6s var(--ease), filter .6s var(--ease); }
.story-svg .ports rect, .story-svg .files rect, .story-svg .tests rect { fill: rgba(245, 244, 242, .05); stroke: rgba(245, 244, 242, .14); }
.story-svg .lock rect, .story-svg .lock path { fill: none; stroke: var(--ember); stroke-width: 1.6; }
.story-svg .cursor { fill: var(--ember); animation: svg-caret 1s steps(1) infinite; }
@keyframes svg-caret { 50% { opacity: 0; } }
.story-svg .gscan { fill: url(#sg-ember); opacity: 0; }
.story-svg .fold { fill: none; stroke: rgba(245, 244, 242, .16); }
.story-svg .seal { fill: none; stroke: var(--ember); stroke-width: 1.6; stroke-dasharray: 4 4; }
.story-svg .lk .base { fill: none; stroke: rgba(245, 244, 242, .14); stroke-width: 2; }
.story-svg .lk .flow { fill: none; stroke: url(#sg-ember); stroke-width: 2.4; stroke-dasharray: 6 10; opacity: 0; }
@keyframes dash { to { stroke-dashoffset: -16; } }
/* which part each step lights (earlier parts stay half lit) */
.story[data-step="1"] .n-src, .story[data-step="2"] .n-box, .story[data-step="3"] .n-grade, .story[data-step="4"] .n-receipt {
  opacity: 1; filter: drop-shadow(0 0 22px rgba(255, 106, 43, .35)); }
.story[data-step="2"] .n-src, .story[data-step="3"] .n-src, .story[data-step="3"] .n-box, .story[data-step="4"] .n-src,
.story[data-step="4"] .n-box, .story[data-step="4"] .n-grade { opacity: .7; }
.story[data-step="1"] .n-src > rect, .story[data-step="2"] .n-box > rect:not(.hatch), .story[data-step="3"] .n-grade > rect:not(.gscan),
.story[data-step="4"] .n-receipt > path:not(.fold) { stroke: var(--ember-line); }
.story[data-step="2"] .hatch, .story[data-step="3"] .hatch, .story[data-step="4"] .hatch { opacity: .6; }
.story[data-step="3"] .gscan { animation: gscan 1.6s ease-in-out infinite; }
@keyframes gscan { 0% { opacity: 0; transform: translateX(0); } 20% { opacity: .35; } 100% { opacity: 0; transform: translateX(98px); } }
.story[data-step="4"] .seal { animation: spin-slow 6s linear infinite; transform-box: fill-box; transform-origin: center; }
@keyframes spin-slow { to { transform: rotate(360deg); } }
.story[data-step="1"] .lk1 .flow, .story[data-step="2"] .lk1 .flow, .story[data-step="3"] .lk2 .flow, .story[data-step="4"] .lk3 .flow {
  opacity: 1; animation: dash 1s linear infinite; }
@media (max-width: 860px) {
  .story-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .story-visual { top: 64px; z-index: 2; background: linear-gradient(180deg, var(--iron) 85%, transparent); padding: .6rem 0 1.2rem; }
  .story-svg { max-height: 36vh; }
  .story-steps li { min-height: 50vh; }
}

/* the product: real screens that fan out as the section scrolls in (--p from 0 to 1) */
.shots { position: relative; height: clamp(300px, 46vw, 620px); perspective: 1600px; --p: 1; }
.shot { position: absolute; left: 50%; top: 0; width: min(78%, 900px); margin: 0; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--hair-2); background: var(--coal); box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .02) inset;
  transform-origin: center bottom; will-change: transform; }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.4rem 1rem .8rem; font-size: .82rem; color: var(--white);
  background: linear-gradient(180deg, transparent, rgba(11, 11, 14, .92)); }
.shot.s1 { transform: translateX(calc(-50% - var(--p) * 30%)) translateY(calc(var(--p) * 7%)) rotate(calc(var(--p) * -6deg)) scale(.82); z-index: 1; }
.shot.s3 { transform: translateX(calc(-50% + var(--p) * 30%)) translateY(calc(var(--p) * 7%)) rotate(calc(var(--p) * 6deg)) scale(.82); z-index: 1; }
.shot.s2 { transform: translateX(-50%) translateY(calc((1 - var(--p)) * 8%)) rotateX(calc((1 - var(--p)) * 18deg)); z-index: 2; }
@media (max-width: 860px) {
  .shots { height: auto; display: grid; gap: 1rem; perspective: none; }
  .shot, .shot.s1, .shot.s2, .shot.s3 { position: relative; left: auto; width: 100%; transform: none; }
}

/* the sealed report, as two pages */
.evi-report { display: grid; gap: .6rem; }
.evi-report > span { font-size: .8rem; color: var(--ash); }
.papers { position: relative; display: block; height: 250px; --p: 1; }
.papers img { position: absolute; top: 0; width: 150px; height: auto; border-radius: 4px; box-shadow: 0 20px 40px -18px rgba(0, 0, 0, .9); transition: transform .5s var(--ease); }
.papers .pg1 { left: 0; transform: rotate(calc(var(--p) * -6deg)); z-index: 2; }
.papers .pg2 { left: 0; transform: translateX(calc(var(--p) * 92px)) rotate(calc(var(--p) * 5deg)); z-index: 1; }
.papers:hover .pg1 { transform: rotate(-8deg) translateY(-6px); }
.papers:hover .pg2 { transform: translateX(104px) rotate(7deg) translateY(-6px); }
.band-inner { position: relative; overflow: hidden; }
@media print { .pre { opacity: 1 !important; transform: none !important; filter: none !important; } }

/* inner pages: the same ambient light in the page head */
.page-head.lit, .built-head { position: relative; overflow: hidden; }
.page-head.lit .wrap, .built-head .wrap { position: relative; z-index: 1; }
.built-head .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.built-fig .story-svg { max-width: 520px; margin-left: auto; }
.story.all .nd { opacity: 1; }
.story.all .n-box .hatch { opacity: .6; }
.story.all .lk .flow { opacity: 1; animation: dash 1s linear infinite; }
.story.all .gscan { animation: gscan 1.6s ease-in-out infinite; }
@media (max-width: 860px) { .built-head .wrap { grid-template-columns: minmax(0, 1fr); } .built-fig .story-svg { margin: 0 auto; } }
.report-sec { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.report-sec .h2 { margin: .4rem 0 1rem; }
.muted-lede { color: var(--smoke); font-size: 1.05rem; line-height: 1.65; margin: 0 0 1.6rem; max-width: 34rem; }
.papers.big { height: clamp(320px, 38vw, 480px); }
.papers.big img { width: clamp(200px, 22vw, 300px); }
.papers.big .pg2 { transform: translateX(calc(var(--p) * clamp(140px, 16vw, 220px))) rotate(calc(var(--p) * 6deg)); }
.papers.big:hover .pg2 { transform: translateX(clamp(160px, 17vw, 236px)) rotate(8deg) translateY(-8px); }
@media (max-width: 860px) { .report-sec { grid-template-columns: minmax(0, 1fr); } }

/* Why test with us (home, teams) */
.why .n { display: block; font: 500 .78rem/1 var(--mono); color: var(--ember-hi); margin-bottom: .75rem; }
.why-more { margin: 2.4rem 0 0; padding-top: 1.4rem; border-top: 1px solid var(--hair); color: var(--ash); font-size: .95rem; line-height: 1.6; max-width: 56rem; }
.story-more { margin: 1.6rem 0 0; font-size: .95rem; text-align: right; }

/* How it works (/how): a sticky list of chapters beside the text */
.how { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.how-nav { position: sticky; top: 88px; display: flex; flex-direction: column; border-left: 1px solid var(--hair-2); }
.how-nav a { display: block; padding: .5rem 0 .5rem 1rem; margin-left: -1px; border-left: 2px solid transparent; color: var(--ash);
  text-decoration: none; font: 500 .8rem/1.4 var(--mono); transition: color .2s var(--ease), border-color .2s var(--ease); }
.how-nav a:hover { color: var(--white); }
.how-nav a.on { color: var(--ember-hi); border-left-color: var(--ember); }
.how-body { max-width: 46rem; min-width: 0; }
.how-body article { padding-bottom: clamp(2.2rem, 5vw, 3.2rem); margin-bottom: clamp(2.2rem, 5vw, 3.2rem); border-bottom: 1px solid var(--hair); scroll-margin-top: 88px; }
.how-body h2 { display: flex; align-items: center; gap: .9rem; font-size: clamp(1.55rem, 3vw, 2.05rem); letter-spacing: -.035em; margin: 0 0 1rem; }
.how-body h2 i { flex: none; display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border: 1px solid var(--ember-line); border-radius: 50%;
  font: 500 .82rem/1 var(--mono); font-style: normal; color: var(--ember-hi); background: var(--ember-dim); }
.how-body p { color: var(--smoke); line-height: 1.72; margin: 0 0 1rem; }
.how-list { list-style: none; padding: 0; margin: 0 0 1.1rem; display: grid; gap: .6rem; }
.how-list li { position: relative; padding-left: 1.5rem; color: var(--smoke); line-height: 1.62; }
.how-list li::before { content: ""; position: absolute; left: 0; top: .78em; width: .7rem; height: 1px; background: var(--ember); }
.how-outcomes { display: grid; gap: .55rem; margin: 1.5rem 0; }
.how-outcomes > div { display: grid; grid-template-columns: 13.5rem minmax(0, 1fr); gap: 1.2rem; align-items: baseline; padding: .95rem 1.15rem;
  background: var(--plate); border: 1px solid var(--hair); border-left: 3px solid var(--soot); border-radius: 10px; }
.how-outcomes b { color: var(--white); font-size: .98rem; }
.how-outcomes span { color: var(--smoke); font-size: .93rem; line-height: 1.58; }
.how-outcomes .ok { border-left-color: #8fe0b0; background: linear-gradient(90deg, rgba(120, 220, 160, .08), var(--plate) 45%); }
.how-outcomes .ok b { color: #8fe0b0; }
.how-outcomes .fail { border-left-color: #ff8b73; }
.how-outcomes .bad { border-left-color: var(--ember); background: linear-gradient(90deg, var(--ember-dim), var(--plate) 45%); }
.how-outcomes .bad b { color: var(--ember-hi); }
.how-body .cta-row { padding-top: .4rem; }
@media (max-width: 860px) {
  .how { grid-template-columns: minmax(0, 1fr); }
  .how-nav { position: static; flex-direction: row; flex-wrap: wrap; gap: .45rem; border-left: 0; }
  .how-nav a { margin: 0; padding: .38rem .75rem; border: 1px solid var(--hair-2); border-radius: 999px; }
  .how-nav a.on { border-color: var(--ember-line); }
  .how-outcomes > div { grid-template-columns: minmax(0, 1fr); gap: .3rem; }
}

/* About (/about) */
.about { display: grid; grid-template-columns: minmax(0, 1fr) 20rem; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.about-main { min-width: 0; }
.about-main article { padding-bottom: 2.3rem; margin-bottom: 2.3rem; border-bottom: 1px solid var(--hair); }
.about-main article:last-child { border-bottom: 0; margin-bottom: 0; }
.about-main h2, .about-side h2 { font-size: 1.4rem; letter-spacing: -.03em; margin: 0 0 .85rem; }
.about-main p { color: var(--smoke); line-height: 1.72; max-width: 44rem; margin: 0 0 1rem; }
.about-facts { list-style: none; padding: 0; margin: 0 0 1.2rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px;
  background: var(--hair); border: 1px solid var(--hair); border-radius: 14px; overflow: hidden; }
.about-facts li { background: var(--coal); padding: 1.3rem 1.1rem; display: flex; flex-direction: column; gap: .5rem; }
.about-facts b { font: 600 clamp(2.1rem, 4vw, 2.9rem)/1 var(--display); color: var(--white); letter-spacing: -.045em; }
.about-facts li:first-child b { color: var(--ember-hi); }
.about-facts span { color: var(--ash); font-size: .86rem; line-height: 1.45; }
.about-side { position: sticky; top: 88px; padding: 1.5rem; background: var(--plate); border: 1px solid var(--hair); border-radius: 14px; }
.about-side p { color: var(--smoke); font-size: .95rem; line-height: 1.6; margin: 0 0 1rem; }
.about-side .btn { margin-bottom: 1.8rem; }
@media (max-width: 960px) {
  .about { grid-template-columns: minmax(0, 1fr); }
  .about-side { position: static; }
  .about-facts { grid-template-columns: 1fr 1fr; }
}
.book-form .f-check { min-height: 65px; margin: .2rem 0 .4rem; }