/* Martingale: light surfaces, shared borders, and the blue of our bird. */
/* Self-hosted fonts (SIL Open Font License): no third-party font requests. */
@font-face { font-family: "Geist"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("assets/fonts/geist-normal-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Geist"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("assets/fonts/geist-normal-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Geist Mono"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("assets/fonts/geist-mono-normal-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Geist Mono"; font-style: normal; font-weight: 100 900; font-display: swap; src: url("assets/fonts/geist-mono-normal-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Newsreader"; font-style: italic; font-weight: 200 800; font-display: swap; src: url("assets/fonts/newsreader-italic-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Newsreader"; font-style: italic; font-weight: 200 800; font-display: swap; src: url("assets/fonts/newsreader-italic-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("assets/fonts/newsreader-normal-latin-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("assets/fonts/newsreader-normal-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
:root {
  --bg: #fefefe;
  --surface: #f9f9f8;
  --line: #e4e3db;
  --fg: #1e1c1a;
  --muted: #525150;
  --soft: #73716e;
  --blue: #2f56f6;
  --blue-hover: #2145cc;
  --blue-pale: #eef2ff;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Geist", sans-serif;
  --mono: "Geist Mono", monospace;
  --frame: min(1280px, 100%);
  --radius: 10px; /* inputs and panels; buttons and round controls are capsules; frames and cells stay square */
  --ease: cubic-bezier(.2, .7, .2, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .6; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.03em; text-wrap: balance; }
h2 { margin-bottom: 20px; font-size: clamp(30px, 3.2vw, 40px); line-height: 1.1; }
h1 em, h2 em { color: inherit; font-style: italic; font-weight: 300; padding-bottom: .05em; }
h2 em.ul { font-style: normal; text-decoration: underline; text-decoration-thickness: .04em; text-underline-offset: .12em; }
h3 { margin-bottom: 10px; font-size: 17px; font-weight: 500; line-height: 1.35; text-wrap: balance; }
p, li { text-wrap: pretty; }
code, pre { font-family: var(--mono); font-variant-numeric: tabular-nums; }
p code, li code, dd code { font-size: .86em; overflow-wrap: anywhere; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
::selection { background: #dbe3ff; color: var(--fg); }
.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; }
.skip-link { position: fixed; top: 8px; left: 20px; z-index: 200; padding: 10px 16px; background: white; border: 1px solid var(--blue); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
/* Buttons: a web approximation of Apple's Liquid Glass (frosted capsule, layered rims, specular catch).
   Not Apple's material; built from backdrop-filter, transparent layers and highlight overlays. */
.btn { position: relative; isolation: isolate; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 42px; padding: 10px 22px; border: 1px solid rgba(255, 255, 255, .32); border-radius: 999px; font: 400 16px/1.4 var(--serif); letter-spacing: -.01em; white-space: nowrap; -webkit-backdrop-filter: blur(24px) saturate(180%) contrast(1.05); backdrop-filter: blur(24px) saturate(180%) contrast(1.05); transition: background-color .25s var(--ease), border-color .25s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease); }
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none; background: radial-gradient(circle at 20% 0%, rgba(255, 255, 255, .55), transparent 34%), linear-gradient(90deg, rgba(255, 255, 255, .18), transparent 42%, rgba(255, 255, 255, .14)); }
.btn::after { content: ""; position: absolute; inset: 1px; border-radius: inherit; border: 1px solid rgba(255, 255, 255, .14); pointer-events: none; }
.btn:hover { transform: translateY(-1px) scale(1.015); }
.btn:active { transform: scale(.97); transition-duration: .1s; }
.btn-light { color: #fff; background: linear-gradient(135deg, rgba(255, 255, 255, .22), rgba(255, 255, 255, .04)) , rgba(33, 69, 204, .8); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .48), inset 0 -1px 0 rgba(255, 255, 255, .12), 0 18px 48px -18px rgba(33, 69, 204, .7), 0 1px 3px rgba(20, 40, 150, .18); }
.btn-light:hover { background: linear-gradient(135deg, rgba(255, 255, 255, .28), rgba(255, 255, 255, .06)), rgba(33, 69, 204, .86); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55), inset 0 -1px 0 rgba(255, 255, 255, .12), 0 24px 56px -20px rgba(33, 69, 204, .75), 0 1px 3px rgba(20, 40, 150, .18); }
.btn-light:active { background: linear-gradient(135deg, rgba(255, 255, 255, .14), rgba(255, 255, 255, .02)), rgba(28, 58, 176, .9); }
.btn-ghost { color: var(--fg); background: linear-gradient(135deg, rgba(255, 255, 255, .5), rgba(255, 255, 255, .12)), rgba(244, 244, 242, .55); box-shadow: 0 0 0 1px rgba(30, 28, 26, .1), inset 0 1px 0 rgba(255, 255, 255, .9), inset 0 -1px 0 rgba(255, 255, 255, .3), 0 18px 48px -22px rgba(30, 28, 26, .35), 0 1px 3px rgba(30, 28, 26, .05); }
.btn-ghost:hover { background: linear-gradient(135deg, rgba(255, 255, 255, .62), rgba(255, 255, 255, .18)), rgba(244, 244, 242, .65); box-shadow: 0 0 0 1px rgba(30, 28, 26, .14), inset 0 1px 0 rgba(255, 255, 255, .95), inset 0 -1px 0 rgba(255, 255, 255, .3), 0 24px 56px -24px rgba(30, 28, 26, .4), 0 1px 3px rgba(30, 28, 26, .05); }
.btn-ghost:active { background: linear-gradient(135deg, rgba(255, 255, 255, .4), rgba(255, 255, 255, .1)), rgba(238, 238, 236, .7); }
@media (prefers-reduced-transparency: reduce) {
  .btn, .motion-toggle, .hero-scroll { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .btn-light { background: var(--blue-hover); }
  .btn-ghost, .motion-toggle, .hero-scroll { background: rgba(255, 255, 255, .96); }
}
.btn-sm { padding-inline: 16px; }

/* One continuous frame from navigation through the footer. */
.nav { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; gap: 30px; width: var(--frame); height: 64px; margin-inline: auto; padding: 0 48px; border: 1px solid var(--line); border-top: 0; background: rgba(254, 254, 254, .96); }
.nav.scrolled { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.nav-sentinel { position: absolute; top: 0; left: 0; width: 1px; height: 24px; pointer-events: none; }
.brand { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; }
.brand-mark { width: 26px; height: 26px; }
.brand-name { font: 400 24px/1 var(--serif); letter-spacing: -.055em; text-transform: uppercase; }
.nav-links { position: relative; display: flex; align-items: center; gap: 23px; margin-left: auto; font-size: 13px; }
.nav-links a { transition: color .2s var(--ease); }
.nav-links a, .footer-cols a, .text-link, .demo-email { transition: color .2s var(--ease); }
.nav-links a:hover, .footer-cols a:hover { color: var(--blue); }
.nav-links a[aria-current], .mobile-menu a[aria-current] { color: var(--blue); text-decoration: underline; text-underline-offset: 5px; }
.nav-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.nav-login { font-size: 13px; color: var(--muted); padding: 6px 4px; transition: color .2s var(--ease); }
.nav-login:hover { color: var(--blue); }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 6px; width: 40px; height: 40px; padding: 10px; border: 0; background: transparent; }
.nav-toggle span { width: 20px; height: 1px; background: var(--fg); }
.mobile-menu { display: none; position: fixed; top: 64px; left: 16px; right: 16px; z-index: 99; padding: 16px; border: 1px solid var(--line); background: var(--bg); }
.mobile-menu > a { display: block; padding: 10px 12px; }
.mobile-menu .btn { margin-top: 8px; text-align: center; }

/* The hero fills the first screen and stays pinned while the next section slides over it. */
.hero { position: sticky; top: 64px; z-index: 0; display: grid; place-items: center; width: 100%; min-height: calc(100dvh - 64px); overflow: hidden; }
.hero-inner { max-width: var(--frame); margin-inline: auto; }
.hero-field { position: absolute; inset: 0; width: 100%; height: 100%; -webkit-mask-image: radial-gradient(60% 55% at 50% 48%, rgba(0, 0, 0, .25) 0%, #000 74%); mask-image: radial-gradient(60% 55% at 50% 48%, rgba(0, 0, 0, .25) 0%, #000 74%); }
.hero-inner { position: relative; z-index: 1; width: 100%; padding: 32px 48px 120px; text-align: center; }
/* The cue is pinned to the viewport, not the hero, so it shows on the first screen even when the hero is taller than it. */
.hero-scroll { position: fixed; bottom: 12px; left: 50%; z-index: 90; margin-left: -20px; animation: scroll-bob 2.4s var(--ease) infinite; }
.hero-scroll.is-gone { opacity: 0; visibility: hidden; pointer-events: none; }
.hero-scroll svg { width: 16px; height: 16px; }
@keyframes scroll-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }
.hero-end { height: 1px; margin-top: -1px; }
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .hero-inner { animation: hero-exit linear both; animation-timeline: scroll(root); animation-range: 25vh 115vh; }
    .hero-field { animation: field-exit linear both; animation-timeline: scroll(root); animation-range: 0 90vh; }
    .hero-scroll { animation: scroll-bob 2.4s var(--ease) infinite, cue-exit linear both; animation-timeline: auto, scroll(root); animation-range: normal, 0 25vh; }
  }
}
@keyframes hero-exit { to { opacity: 0; transform: translateY(-40px) scale(.97); } }
@keyframes field-exit { to { opacity: 0; } }
@keyframes cue-exit { to { opacity: 0; visibility: hidden; } }
.hero h1 { max-width: 960px; margin: 0 auto 24px; font-size: clamp(40px, 4.6vw, 62px); line-height: 1.06; }
.hero-accent { color: var(--blue); }
.lede { max-width: 600px; margin: 0 auto; color: var(--muted); font-size: 17px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; margin-top: 32px; }

.section { position: relative; z-index: 1; border-top: 1px solid var(--line); background: var(--bg); }
.section::before { content: ""; display: block; height: 16px; border-bottom: 1px solid var(--line); background-image: linear-gradient(to right, var(--line) 1px, transparent 1px), linear-gradient(to bottom, var(--line) 1px, transparent 1px); background-size: 8px 8px; opacity: .55; }
.container { width: var(--frame); margin-inline: auto; padding: 56px 48px; border-inline: 1px solid var(--line); }
.section-dark { background: var(--surface); }
.kicker { margin-bottom: 16px; color: var(--blue); font-size: 12px; font-weight: 500; letter-spacing: .09em; text-transform: uppercase; }
.sub { max-width: 760px; margin-bottom: 32px; color: var(--muted); font-size: 16px; }
.press-inner { padding-block: 40px 44px; text-align: center; }
.press-inner h2 { margin: 0 0 28px; color: var(--soft); font: 500 12px/1.4 var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.press-outlets { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: center; gap: 28px; }
.press-outlet { display: flex; align-items: center; justify-content: center; min-height: 58px; color: var(--fg); text-align: center; transition: color .2s var(--ease), opacity .2s var(--ease); }
.press-outlet:hover { color: var(--blue); opacity: .78; }
.press-outlet--usa { gap: 9px; font: 800 clamp(19px, 2vw, 26px)/1 var(--sans); letter-spacing: -.07em; white-space: nowrap; }
.press-dot { width: 23px; height: 23px; flex: 0 0 auto; border-radius: 50%; background: #009bff; }
.press-outlet--mirror, .press-outlet--tribune, .press-outlet--lincoln { font: 500 clamp(20px, 2.15vw, 27px)/1.06 var(--serif); letter-spacing: -.035em; }
.press-outlet--mirror { font-weight: 650; }
.press-outlet--lincoln { font-style: italic; }
@media (max-width: 900px) { .press-outlets { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; } }
@media (max-width: 500px) {
  .press-inner { padding-block: 32px 36px; }
  .press-inner h2 { margin-bottom: 20px; }
  .press-outlets { grid-template-columns: 1fr; gap: 10px; }
}
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; align-items: center; }
.split > * { min-width: 0; }
.split-copy > p:not(.kicker) { margin-bottom: 20px; color: var(--muted); }
.split-copy p a { text-decoration: underline; text-underline-offset: 3px; }
.split-copy p a:hover { color: var(--blue); }
.checks { margin: 26px 0 0; padding: 0; list-style: none; }
.checks li { padding: 9px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }


/* Model illustrations: varied signals become evidence, not altered responses. */
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading .sub { margin-bottom: 0; }
.product-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.model-card { min-width: 0; scroll-margin-top: 88px; }
.product-animation { margin: 0; overflow: hidden; background: #f3f3ef; }
.product-animation svg { width: 100%; height: auto; aspect-ratio: 600 / 314; }
.flow-lines { fill: none; stroke: #a3b2d6; stroke-width: .8; opacity: .66; }
.flow-pulses { fill: none; stroke: var(--blue); stroke-width: 1.3; stroke-dasharray: 5 95; stroke-dashoffset: 100; }
.flow-symbols { fill: var(--blue); opacity: .7; }
.flow-hub { fill: #e7edfc; stroke: #cbd7f3; stroke-width: .75; }
.hub-icon { fill: none; stroke: var(--blue); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.floating-word { fill: #5672ad; }
.floating-word text { font: italic 24px var(--serif); }
.flow-result { fill: var(--blue-hover); font: 400 30px var(--serif); letter-spacing: -.03em; }
.flow-caption { fill: #617192; font: 8px var(--mono); letter-spacing: .03em; }
.motion-enabled .flow-pulses path { animation: trace-signal 6s linear infinite; animation-delay: var(--delay, 0s); }
.motion-enabled .floating-word { animation: carry-signal 6s ease-in-out infinite; animation-delay: var(--delay, 0s); }
/* Animation offsets live in data attributes rather than style attributes so the
   Content-Security-Policy in customHttp.yml can forbid inline styles entirely. */
[data-delay="-.5s"] { --delay: -.5s; }
[data-delay="-1s"] { --delay: -1s; }
[data-delay="-1.2s"] { --delay: -1.2s; }
[data-delay="-2s"] { --delay: -2s; }
[data-delay="-2.4s"] { --delay: -2.4s; }
[data-delay="-3s"] { --delay: -3s; }
[data-delay="-3.6s"] { --delay: -3.6s; }
[data-delay="-4s"] { --delay: -4s; }
[data-delay="-4.8s"] { --delay: -4.8s; }
[data-delay="-5s"] { --delay: -5s; }
.motion-enabled .flow-result { animation: resolve-signal 6s ease-in-out infinite; }
.motion-paused .product-animation * { animation-play-state: paused !important; }
.model-copy { padding-top: 24px; }
.model-kind { margin-bottom: 8px; color: var(--soft); font-size: 12px; }
.model-copy h3 { margin-bottom: 16px; font: 400 30px/1.1 var(--serif); letter-spacing: -.025em; }
.model-copy h3 span { color: var(--blue); }
.model-copy > p:not(.model-kind) { max-width: 510px; margin-bottom: 20px; color: var(--muted); font-size: 15px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; padding-block: 4px; font-size: 14px; text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 4px; transition: color .2s var(--ease), text-decoration-color .2s var(--ease); }
.text-link:hover { text-decoration-color: currentColor; }
.text-link:hover { color: var(--blue); }
.text-link span { font-size: 18px; }
.motion-toolbar { display: flex; align-items: center; justify-content: flex-end; gap: 16px; margin-top: 24px; color: var(--soft); font-size: 11px; }
.motion-toggle { position: relative; }
.motion-toggle, .hero-scroll { isolation: isolate; display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; padding: 0; border: 1px solid rgba(255, 255, 255, .32); border-radius: 999px; color: var(--muted); background: linear-gradient(135deg, rgba(255, 255, 255, .5), rgba(255, 255, 255, .12)), rgba(244, 244, 242, .55); -webkit-backdrop-filter: blur(24px) saturate(180%) contrast(1.05); backdrop-filter: blur(24px) saturate(180%) contrast(1.05); box-shadow: 0 0 0 1px rgba(30, 28, 26, .1), inset 0 1px 0 rgba(255, 255, 255, .9), inset 0 -1px 0 rgba(255, 255, 255, .3), 0 14px 36px -18px rgba(30, 28, 26, .35); transition: color .2s var(--ease), background-color .2s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease), opacity .35s var(--ease), visibility 0s .35s; }
.motion-toggle::before, .hero-scroll::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none; background: radial-gradient(circle at 25% 0%, rgba(255, 255, 255, .6), transparent 40%); }
.motion-toggle:hover, .hero-scroll:hover { color: var(--blue); box-shadow: 0 0 0 1px rgba(30, 28, 26, .14), inset 0 1px 0 rgba(255, 255, 255, .95), inset 0 -1px 0 rgba(255, 255, 255, .3), 0 18px 40px -20px rgba(30, 28, 26, .4); }
.motion-toggle:hover { transform: translateY(-1px) scale(1.03); }
.motion-toggle:active { transform: scale(.95); }
.motion-toggle svg { width: 14px; height: 14px; fill: currentColor; }
.motion-toggle .icon-play, .motion-toggle[data-paused="true"] .icon-pause { display: none; }
.motion-toggle[data-paused="true"] .icon-play { display: block; }
.evidence-strip { display: grid; grid-template-columns: .9fr 1.4fr; gap: 48px; margin-top: 32px; padding-top: 40px; border-top: 1px solid var(--line); scroll-margin-top: 88px; }
.evidence-strip h3 { font: 400 26px/1.15 var(--serif); letter-spacing: -.02em; }
.evidence-strip > div > p:last-child { max-width: 330px; margin-bottom: 0; color: var(--muted); font-size: 14px; }
.evidence-stages { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 0; padding: 0; list-style: none; }
.evidence-stages li { border-left: 1px solid var(--line); padding-left: 20px; }
.evidence-stages strong { display: block; margin-bottom: 8px; font-size: 15px; font-weight: 500; }
.evidence-stages p { margin: 0; color: var(--muted); font-size: 13px; }
.research-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.research-art { position: relative; display: flex; align-items: center; justify-content: center; min-height: 360px; overflow: hidden; background: #f3f3ef; }
.research-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.research-mark { position: relative; box-sizing: content-box; padding: 16px; border: 1px solid #d4def6; border-radius: 50%; background: #f3f3ef; will-change: transform; }
.research-copy > p:not(.kicker) { color: var(--muted); }
@keyframes trace-signal { to { stroke-dashoffset: 0; } }
@keyframes carry-signal { 0% { transform: translateX(-14px); opacity: .2; } 25%, 65% { opacity: .85; } 100% { transform: translateX(22px); opacity: .2; } }
@keyframes resolve-signal { 0%, 100% { opacity: .65; } 35%, 80% { opacity: 1; } }

@media (max-width: 1023px) {
  .section-heading { gap: 24px; }
  .product-pair { gap: 24px; }
  .research-layout { gap: 32px; }
  .evidence-strip { grid-template-columns: 1fr; gap: 28px; }
  .evidence-strip > div > p:last-child { max-width: 560px; }
}
@media (max-width: 767px) {
  .section-heading { flex-direction: column; margin-bottom: 32px; }
  .section-heading > .btn { margin-top: 0; }
  .product-pair, .research-layout { grid-template-columns: 1fr; gap: 40px; }
  .model-copy > p:not(.model-kind) { max-width: none; }
  .research-copy { grid-row: 1; }
  .research-art { min-height: 320px; }
}
@media (max-width: 450px) {
  .motion-toolbar { align-items: flex-start; }
  .motion-toolbar > span { max-width: 140px; }
  .evidence-stages { gap: 12px; }
  .evidence-stages li { padding-left: 10px; }
  .evidence-stages p { font-size: 12px; }
  .evidence-stages strong { font-size: 13px; }
}

.code-card { overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.code-tabs { display: flex; align-items: center; gap: 4px; min-height: 48px; padding: 8px 12px; border-bottom: 1px solid var(--line); background: var(--bg); }
.code-file { margin-left: auto; color: var(--soft); font: 11px var(--mono); }
.code { margin: 0; padding: 24px; overflow-x: auto; color: #242c43; font: 12px/1.8 var(--mono); tab-size: 2; }
.code .c { color: #70716e; }
.code .d { color: #994646; }
.code .a, .code .k { color: #2a4fcc; }
.code .s { color: #52649b; }
.code .n { color: #775584; }
.check-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 24px; }
.split-copy > .check-note { margin-top: 20px; font-size: 13px; }
.check-code-note { padding: 14px 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.check-setup { align-items: start; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
.split-copy > .check-release-note { margin-top: 16px; font-size: 12px; }
.setup-steps { margin: 0; padding: 0; list-style: none; }
.setup-step { padding: 28px 0; border-top: 1px solid var(--line); }
.setup-step:first-child { padding-top: 0; border-top: 0; }
.setup-step h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 12px; }
.setup-number { color: var(--blue); font: 12px var(--mono); }
.setup-optional { color: var(--soft); font-size: 12px; font-weight: 400; }
.setup-step p, .check-details p { color: var(--muted); font-size: 14px; line-height: 1.65; }
.setup-step p a { text-decoration: underline; text-underline-offset: 3px; }
.setup-step p a:hover { color: var(--blue); }
.setup-command { margin-top: 16px; }
.setup-command .code-tabs { justify-content: space-between; gap: 12px; }
.setup-command .code-file { margin-left: 0; line-height: 1.5; }
.setup-command .code { padding: 18px 20px; white-space: pre-wrap; overflow-wrap: anywhere; }
.setup-step .setup-note, .check-details .setup-note { margin: 12px 0 0; font-size: 12px; }
.text-copy { margin-top: 14px; padding: 0; border: 0; background: transparent; color: var(--blue); font: inherit; font-size: 13px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.text-copy.copy-btn[data-copied] { background: transparent; color: #1f7a4d; }
.check-details { padding: 18px 0; border-top: 1px solid var(--line); }
.check-details summary { cursor: pointer; font-size: 14px; font-weight: 500; }
.check-details > p { margin: 14px 0 0; }
@media (max-width: 767px) {
  .check-setup { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .setup-command .code { padding: 16px; font-size: 11px; }
}

/* Capabilities: six cells with two featured surfaces, in shared-border cells. */
.bento { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 32px; padding: 1px; background: var(--line); }
.bento-cell { display: flex; flex-direction: column; min-width: 0; padding: 32px; background: var(--bg); }
.bento-cell p { max-width: 46ch; margin-bottom: 0; color: var(--muted); font-size: 14px; }
.bento-featured { grid-column: span 2; padding: 40px 36px 44px; }
.bento-featured h3 { margin-bottom: 14px; font: 400 28px/1.1 var(--serif); letter-spacing: -.02em; }
.bento-featured p { max-width: 54ch; font-size: 15px; }
.bento-tint { background: radial-gradient(120% 100% at 0% 0%, #e2e9ff 0%, #f1f4ff 52%, #fbfcff 100%); }
.bento-pattern { background-color: var(--surface); background-image: radial-gradient(110% 110% at 100% 0%, rgba(249, 249, 248, 0) 0%, var(--surface) 62%), linear-gradient(to right, var(--line) 1px, transparent 1px), linear-gradient(to bottom, var(--line) 1px, transparent 1px); background-size: 100% 100%, 8px 8px, 8px 8px; }

/* Trust: the rule on the left, the six commitments on the right. */
.trust-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.35fr); gap: 64px; align-items: start; }
.trust-copy .sub { margin-bottom: 0; }
.never { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 40px; }
.never-item { display: flex; gap: 14px; }
.never-item .x { color: var(--blue); font: 24px/1 var(--serif); }
.never-item h3 { font-size: 16px; }
.never-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.providers { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.prov-label { flex-basis: 100%; color: var(--soft); font-size: 12px; }

.cta .container { padding-block: 64px; }
.cta .sub { max-width: 730px; margin-bottom: 28px; }
.demo-contact { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; }
.demo-email { color: var(--muted); text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.demo-email:hover { color: var(--blue-hover); }
.form-note { min-height: 20px; margin: 14px 0 0; color: var(--soft); font-size: 13px; }
.form-note.ok { color: var(--blue-hover); }
.form-note.err { color: #aa2828; }

/* Open roles and applications share the site's light, bordered frame. */
.careers { background: var(--surface); }
.careers-page h1 { margin-bottom: 20px; font-size: clamp(36px, 4vw, 48px); line-height: 1.1; }
.careers-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.65fr); gap: 72px; }
.careers-copy > p:not(.kicker) { max-width: 300px; color: var(--muted); }
.careers-mark { margin-top: 36px; }
.careers-openings, .careers-copy { min-width: 0; }

/* Book a demo mirrors the careers frame: copy on the left, the booking calendar on the right. */
.demo { background: var(--surface); }
.demo-page h1 { margin-bottom: 20px; font-size: clamp(36px, 4vw, 48px); line-height: 1.1; }
.demo-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.65fr); gap: 72px; align-items: start; }
.demo-copy, .demo-calendar { min-width: 0; }
.demo-copy > p:not(.kicker) { max-width: 320px; color: var(--muted); }
.demo-alt { font-size: 14px; }
.demo-mark { margin-top: 36px; }
.demo-calendar { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.demo-calendar iframe { display: block; width: 100%; height: 720px; border: 0; }
.career-role { padding: 24px 0; border-top: 1px solid var(--line); }
.career-role-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.career-role h3 { margin-bottom: 8px; }
.career-role-head p { max-width: 430px; margin-bottom: 0; color: var(--muted); font-size: 14px; }
/* Each role's full description is a native disclosure: it works without JavaScript and reads in order. */
.career-details { margin-top: 10px; }
.career-details summary { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; list-style: none; color: var(--muted); font-size: 13px; font-weight: 500; cursor: pointer; transition: color .2s var(--ease); }
.career-details summary::-webkit-details-marker { display: none; }
.career-details summary:hover { color: var(--fg); }
.career-details summary svg { flex-shrink: 0; transition: transform .25s var(--ease); }
.career-details[open] summary { color: var(--fg); }
.career-details[open] summary svg { transform: rotate(180deg); }
.career-description { max-width: 64ch; padding: 6px 0 8px; }
.career-meta { display: flex; flex-wrap: wrap; gap: 10px 32px; margin: 0 0 22px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.career-meta div { min-width: 0; }
.career-meta dt { margin-bottom: 2px; color: var(--soft); font-size: 11px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
.career-meta dd { margin: 0; font-size: 14px; }
.career-description h4 { margin: 22px 0 8px; font-size: 14px; font-weight: 500; }
.career-description h4:first-of-type { margin-top: 0; }
.career-description p, .career-description li { color: var(--muted); font-size: 14px; }
.career-description p { margin-bottom: 0; }
.career-description ul { margin: 0; padding-left: 18px; }
.career-description li { margin-bottom: 6px; }
.career-description li:last-child { margin-bottom: 0; }
@media (prefers-reduced-motion: reduce) {
  .career-details summary svg { transition: none; }
}
.career-apply { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 8px 0 8px 12px; flex-shrink: 0; border: 0; color: var(--blue-hover); background: transparent; font: 500 14px var(--sans); }
.career-apply { transition: color .2s var(--ease), transform .2s var(--ease); }
.career-apply:hover { color: var(--blue); }
.career-apply:active { transform: translateY(1px); }
.application-form { margin-top: 12px; padding: 28px; border: 1px solid var(--line); background: var(--bg); }
.application-form > h3 { margin-bottom: 22px; }
.application-form fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.application-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-bottom: 22px; }
.application-field { min-width: 0; }
.application-wide { grid-column: 1 / -1; }
.application-field label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 500; }
.application-field input, .application-field select { display: block; width: 100%; min-width: 0; min-height: 44px; padding: 10px 12px; border: 1px solid #c9c7bf; border-radius: var(--radius); color: var(--fg); background: white; font: 14px/1.5 var(--sans); transition: border-color .2s var(--ease); }
.application-field input:hover, .application-field select:hover { border-color: #a9a7a0; }
.application-field input[type="file"] { padding: 9px; font-size: 12px; }
.application-field input::file-selector-button { margin-right: 10px; padding: 5px 9px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--fg); background: var(--surface); font: inherit; cursor: pointer; }
.application-field [aria-invalid="true"] { border-color: #aa2828; }
.application-form fieldset:disabled { opacity: .65; }
.application-help { margin: 7px 0 0; color: var(--muted); font-size: 12px; }
.application-form .form-note { overflow-wrap: anywhere; }
@media (max-width: 850px) {
  .careers-layout, .demo-layout { grid-template-columns: 1fr; gap: 28px; }
  .careers-copy > p:not(.kicker) { max-width: 530px; margin-bottom: 0; }
  .careers-mark, .demo-mark { display: none; }
  .demo-copy > p:not(.kicker) { max-width: 530px; }
}
@media (max-width: 600px) {
  .career-role-head { align-items: flex-start; flex-direction: column; gap: 8px; }
  .career-meta { gap: 12px 24px; }
  .career-apply { padding-left: 0; }
  .application-form { padding: 20px 16px; }
  .application-grid { grid-template-columns: 1fr; }
  .application-field input, .application-field select { font-size: 16px; }
  .application-field input[type="file"] { font-size: 12px; }
  .application-form .btn { width: 100%; }
}
/* Privacy policy and terms: a document column with a short contents list beside it. */
.legal-layout { display: grid; grid-template-columns: 200px minmax(0, 68ch); gap: 40px 72px; }
.legal-head { grid-column: 1 / -1; max-width: 68ch; }
.legal-page h1 { margin-bottom: 10px; font-size: clamp(36px, 4vw, 48px); line-height: 1.08; }
.legal-meta { margin-bottom: 20px; color: var(--soft); font-size: 13px; }
.legal-head > p:last-child { margin-bottom: 0; color: var(--muted); font-size: 17px; }
.legal-toc { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 2px; align-self: start; font-size: 14px; }
.legal-toc a { padding: 5px 0; color: var(--muted); }
.legal-toc a:hover { color: var(--blue); }
.legal-body section { margin-bottom: 36px; padding-top: 28px; border-top: 1px solid var(--line); scroll-margin-top: 88px; }
.legal-body section:last-child { margin-bottom: 0; }
.legal-body h2 { margin-bottom: 14px; font-size: 26px; }
.legal-body h3 { margin: 22px 0 8px; font-size: 16px; }
.legal-body p, .legal-body li { color: var(--muted); font-size: 15px; }
.legal-body p { margin-bottom: 14px; }
.legal-body ul { margin: 0 0 16px; padding-left: 20px; }
.legal-body li { margin-bottom: 6px; }
.legal-body p a, .legal-body li a { text-decoration: underline; text-underline-offset: 3px; }
.legal-body p a:hover, .legal-body li a:hover { color: var(--blue); }
.legal-body strong { color: var(--fg); font-weight: 500; }
@media (max-width: 850px) {
  .legal-layout { grid-template-columns: 1fr; gap: 20px; }
  .legal-toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 2px 18px; }
}
.footer { position: relative; z-index: 1; border-top: 1px solid var(--line); background: var(--bg); }
.footer-inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; padding-block: 48px; }
.footer-brand { display: grid; grid-template-columns: 24px 1fr; align-content: start; align-items: center; column-gap: 8px; }
.footer-brand > span { font: 24px/1 var(--serif); letter-spacing: -.055em; text-transform: uppercase; }
.footer-brand p { grid-column: 1 / -1; margin: 18px 0 0; color: var(--muted); font-size: 14px; }
.footer-brand .footer-backed { display: flex; align-items: center; gap: 8px; margin-top: 14px; color: var(--soft); font-size: 13px; }
.footer-backed img { display: block; width: 16px; height: 16px; }
.footer-cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.footer-cols h4 { margin-bottom: 18px; color: var(--soft); font-size: 13px; font-weight: 400; }
.footer-cols a { display: block; margin-bottom: 8px; font-size: 14px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 24px; border-top: 1px solid var(--line); color: var(--soft); font-size: 12px; }
.status { display: flex; align-items: center; gap: 8px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }

@media (max-width: 1150px) {
  .nav { gap: 24px; padding-inline: 32px; }
  .nav-links { gap: 16px; }
  .split { gap: 32px; }
}
@media (max-width: 1023px) {
  .container { padding: 40px 32px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu.open { display: block; }
  .hero-inner { padding: 32px 32px 104px; }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust-layout { grid-template-columns: 1fr; gap: 40px; }
  .split { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 600px) {
  .nav { padding-inline: 16px; }
  .brand-name { font-size: 21px; }
  .nav-actions { display: none; }
  .nav-toggle { margin-left: auto; }
  .hero-inner { padding: 28px 16px 96px; }
  .hero-scroll { bottom: calc(12px + env(safe-area-inset-bottom, 0px)); }
  .hero h1 { font-size: 36px; }
  .lede { font-size: 15px; }
  .hero-actions { gap: 8px; margin-top: 26px; }
  .hero-actions .btn { padding-inline: 14px; font-size: 15px; }
  .container { padding: 32px 24px; }
  h2 { font-size: 28px; }
  .bento, .never { grid-template-columns: 1fr; }
  .bento-featured { grid-column: auto; padding: 32px 28px 36px; }
  .bento-cell { padding: 28px; }
  .code { padding: 20px 16px; font-size: 11px; }
  .code-tabs { padding-inline: 8px; }
  .code-tabs button { padding-inline: 7px; }
  .code-file { font-size: 10px; }
  .cta .container { padding-block: 40px; }
  .demo-contact { align-items: flex-start; flex-direction: column; }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
/* Scroll reveals: hidden only once JS is running, so content never depends on it. */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--reveal-delay, 0s); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Hero check: the command and a real verdict, first thing on the page. */
.hero-kicker { margin: 0 0 14px; color: var(--blue); font-size: 12px; font-weight: 500; letter-spacing: .09em; text-transform: uppercase; }
.hero h1 { font-size: clamp(36px, 4.2vw, 56px); margin-bottom: 16px; }
.hero-check { max-width: 780px; margin: 24px auto 0; text-align: left; border: 1px solid var(--line); background: var(--surface); box-shadow: 0 28px 64px -36px rgba(30, 28, 26, .4), 0 1px 2px rgba(30, 28, 26, .06); }
.hero-cmd { display: flex; align-items: center; gap: 12px; padding: 10px 12px 10px 20px; border-bottom: 1px solid var(--line); background: var(--bg); }
.hero-cmd .code { flex: 1; min-width: 0; padding: 8px 0; color: var(--fg); font-size: 13px; line-height: 1.6; background: transparent; white-space: pre-wrap; overflow-wrap: anywhere; }
.hero-cmd .prompt { color: var(--soft); user-select: none; }
.copy-btn { min-height: 36px; flex-shrink: 0; }
.copy-btn[data-copied] { background: #1f7a4d; }
.hero-example-label { margin: 0; padding: 14px 20px 0; color: var(--soft); font-size: 11px; }
.hero-out { padding: 8px 20px 20px; font-size: 12.5px; line-height: 1.75; }
.hero-out .ok { color: #1f7a4d; font-weight: 600; }
.hero-check-note { margin: 0; padding: 12px 20px 14px; border-top: 1px solid var(--line); color: var(--soft); font-size: 12px; line-height: 1.55; }
.hero-check-note code { color: var(--muted); }
.hero-check-note a { text-decoration: underline; text-underline-offset: 3px; }
.hero-check-note a:hover { color: var(--blue); }
.hero-actions { margin-top: 24px; }
.hero-backed { display: inline-flex; align-items: center; gap: 8px; margin: 18px 0 0; color: var(--soft); font-size: 13px; letter-spacing: .01em; }
.hero-backed img { display: block; width: 18px; height: 18px; }
.hero-backed strong { color: var(--fg); font-weight: 500; }
@media (max-width: 767px) {
  .hero-inner { padding: 28px 20px 104px; }
  .hero-check { margin-top: 20px; }
  .hero-cmd { flex-wrap: wrap; padding: 10px 12px 10px 16px; }
  .hero-cmd .code { font-size: 13px; white-space: pre-wrap; overflow-wrap: anywhere; }
  .hero-out { padding: 14px 16px 16px; font-size: 11px; white-space: pre-wrap; overflow-wrap: anywhere; }
  .hero-example-label { padding-inline: 16px; }
  .hero-check-note { padding: 10px 16px 12px; }
}