/* TrustGraph platform site. Tokens follow the TrustGraph design system in _ds/. */
@font-face{font-family:"Space Grotesk";src:url("fonts/SpaceGrotesk.woff2") format("woff2");font-weight:300 700;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url("fonts/InstrumentSerif-Italic.woff2") format("woff2");font-style:italic;font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("fonts/JetBrainsMono.woff2") format("woff2");font-weight:100 800;font-display:swap}

:root{
  --bg:#050609;--panel:#0D0F16;--raised:#191C27;--border:#282D3D;
  --ink:#F5F3EF;--muted:#A9B4C8;--faint:#8592A8;
  --accent:#DDD4FF;--accent-ink:#252039;--ice:#92D7EC;--success:#9EE5C2;
  --tint-8:#DDD4FF14;--tint-13:#DDD4FF22;--tint-40:#DDD4FF66;
  --seal-bg:#203D39;--seal-border:#42655B;--sky:#424070;
  /* Named tints, mirrored in _ds/tokens/colors.css. --faint is the AA-contrast variant
     (#8592A8) of the DS faint #78869D, for small text on raised panels. */
  --border-strong:#3A4157;--border-dashed:#4A5268;--ice-tint-40:#92D7EC66;
  --panel-80:#0D0F16CC;--bg-90:#050609E6;--sky-0:#42407000;--sky-40:#42407066;
  --sans:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1120px;--pad:clamp(20px,4vw,32px);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--bg);color:var(--muted);font:400 16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
code,pre{font-family:var(--mono)}
p{margin:0}
h1,h2,h3{margin:0;color:var(--ink);font-weight:600}
ul{margin:0;padding:0;list-style:none}

.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:999px;font-weight:700;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--bg-90);border-bottom:1px solid transparent;backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px)}
.site-header.scrolled,.site-header{border-bottom-color:var(--border)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand svg{width:28px;height:28px;color:var(--accent)}
.wordmark{font:600 18px/1 var(--sans);letter-spacing:-.4px;color:var(--ink)}
.wordmark em{font:italic 400 22px/1 var(--serif);letter-spacing:0;color:var(--accent);margin-left:1px}
.nav{margin-left:auto}
.nav ul{display:flex;gap:24px}
.btn.header-cta{flex:none;gap:0}
.nav ul a{display:inline-block;padding:6px 0;color:var(--muted);text-decoration:none;font-size:12px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase}
.nav ul a:hover{color:var(--ink)}
@media (max-width:820px){
  html{scroll-padding-top:128px}
  .bar{flex-wrap:wrap;height:auto;padding-top:12px;gap:8px 16px}
  .header-cta{margin-left:auto}
  .nav{order:3;flex:1 0 100%;margin:0 calc(var(--pad) * -1);overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;mask-image:linear-gradient(90deg,#000 85%,transparent)}
  .nav::-webkit-scrollbar{display:none}
  .nav ul{gap:4px;padding:0 calc(var(--pad) - 10px);width:max-content}
  .nav ul .nav-docs{order:-1}
  .nav ul a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;white-space:nowrap}
}
@media (max-width:359px){.header-cta .cta-long{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font:700 14px/1 var(--sans);letter-spacing:.6px;text-transform:uppercase;text-decoration:none;border:1px solid transparent;transition:opacity .18s var(--ease),transform .18s var(--ease),background-color .18s var(--ease),color .18s}
.btn:active{transform:scale(.975);opacity:.82}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--ink);color:var(--accent-ink)}
.btn-secondary{border-color:var(--tint-40);color:var(--accent);background:transparent}
.btn-secondary:hover{background:var(--tint-8);color:var(--ink)}
.btn-compact{min-height:44px;padding:0 18px;font-size:12px}
.btn svg{width:16px;height:16px}

/* Type */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:600 11px/1.4 var(--sans);letter-spacing:1.8px;text-transform:uppercase;color:var(--accent)}
.eyebrow .num{font-family:var(--mono);font-weight:500;letter-spacing:.5px;color:var(--faint)}
.display{font-size:clamp(36px,5.4vw,60px);line-height:1.02;letter-spacing:-.035em;text-transform:uppercase;text-wrap:balance}
.display .serif,.title .serif{display:block;font:italic 400 1.08em/1.08 var(--serif);letter-spacing:-.01em;text-transform:none;color:var(--accent);padding-top:.06em}
.title{font-size:clamp(30px,4vw,46px);line-height:1.04;letter-spacing:-.03em;text-transform:uppercase;text-wrap:balance}
.lede{font-size:clamp(17px,1.6vw,19px);line-height:1.6;color:var(--muted);max-width:560px;text-wrap:pretty}
.lede strong{color:var(--ink);font-weight:500}

/* Sections */
section{border-top:1px solid var(--border)}
.section{padding-top:clamp(56px,7vw,88px);padding-bottom:clamp(56px,7vw,88px)}
.section-head{display:grid;gap:18px;max-width:640px;margin-bottom:clamp(32px,5vw,48px)}
.head-main,.head-side{display:grid;gap:18px}
@media (min-width:1000px){.section-head.two-col{max-width:none;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:end;gap:56px}}
.legend{display:flex;flex-wrap:wrap;gap:10px 18px;margin:0;padding:0;list-style:none}
.legend li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,72px);align-items:start}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr)}}

/* Hero */
.hero{border-top:0;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,5vw,64px);align-items:center;padding-top:clamp(48px,8vw,104px);padding-bottom:clamp(64px,9vw,112px)}
@media (max-width:960px){.hero .wrap{grid-template-columns:minmax(0,1fr)}}
.hero-copy{display:grid;gap:28px}
.hero-title-row{display:flex;align-items:flex-end;gap:12px}
.ctas{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:480px){.hero .ctas .btn{flex:1 1 100%}}
.mail-line{font-size:15px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual::before{content:"";position:absolute;inset:-12% -8%;background:radial-gradient(ellipse at 50% 45%,var(--sky) 0%,var(--sky-0) 62%);opacity:.75;animation:breathe 9s ease-in-out infinite;pointer-events:none}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:.9}}

.sprite{position:absolute;width:0;height:0;overflow:hidden}
.graph-frame{margin:0;position:relative;border:1px solid var(--border);border-radius:12px;background:var(--panel-80);overflow:hidden}
.graph-frame svg{width:100%;height:auto}
.graph-caption{display:flex;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);font:600 11px/1.4 var(--sans);letter-spacing:1.6px;text-transform:uppercase;color:var(--accent)}
.graph-caption{align-items:center}

.att{margin:0;border-top:1px solid var(--border);display:grid;grid-template-columns:auto 1fr;gap:6px 18px;padding:16px 18px 18px;font:400 13px/1.5 var(--mono)}
.att dt{color:var(--faint)}
.att dd{margin:0;color:var(--ink);overflow-wrap:anywhere}
.att .ok{color:var(--success)}
.att .hid{color:var(--accent)}
.seal{display:inline-flex;align-items:center;gap:8px;font:600 11px/1 var(--sans);letter-spacing:1.6px;text-transform:uppercase;color:var(--success);background:var(--seal-bg);border:1px solid var(--seal-border);padding:7px 10px;border-radius:999px}
.seal svg{width:14px;height:14px}

/* Graph diagram */
.g-ring{fill:none;stroke:var(--accent);stroke-width:1}
.g-edge{stroke:var(--border-strong);stroke-width:1.25;fill:none}
.g-node{fill:var(--raised);stroke:var(--border-strong);stroke-width:1.25}
.g-path{stroke:var(--accent);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.g-pulse{stroke:var(--ink);stroke-width:3;fill:none;stroke-linecap:round;stroke-dasharray:30 600;stroke-dashoffset:630;animation:pulse 4.2s var(--ease) infinite}
@keyframes pulse{0%{stroke-dashoffset:630;opacity:0}8%{opacity:1}70%{opacity:1}85%,100%{stroke-dashoffset:0;opacity:0}}
.g-hidden{fill:var(--bg);stroke:var(--accent);stroke-width:1.5;stroke-dasharray:3 4}
.g-end{fill:var(--accent)}
.g-target{fill:var(--ice)}
.g-end-ink{fill:var(--accent-ink);font:700 11px var(--sans);letter-spacing:.5px}
.g-label{fill:var(--faint);font:500 11px var(--mono)}
.g-label-strong{fill:var(--ink);font:600 12px var(--sans);letter-spacing:1.2px}
.g-q{fill:var(--accent);font:italic 400 18px var(--serif)}

/* Cards */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:900px){.grid-3{grid-template-columns:minmax(0,1fr)}}
@media (min-width:600px) and (max-width:900px){.grid-3.caps{grid-template-columns:repeat(2,minmax(0,1fr))}}
.card{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:14px}
.card h3{font-size:19px;line-height:1.35;letter-spacing:-.3px}
.card p{font-size:15px;line-height:1.65}
.card .k{font:500 12px/1.4 var(--mono);color:var(--faint)}

/* Code */
.code{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.code-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);font:500 12px/1.4 var(--mono);color:var(--faint)}
.code-head b{font:600 11px/1.4 var(--sans);letter-spacing:1.6px;text-transform:uppercase;color:var(--accent)}
.code pre{margin:0;padding:18px 18px 20px;overflow-x:auto;font-size:13px;line-height:1.7;color:var(--muted);tab-size:2}
.code pre:focus-visible{outline-offset:-3px}
.c-k{color:var(--accent)}
.c-s{color:var(--success)}
.c-f{color:var(--ice)}
.c-c{color:var(--faint)}
.c-n{color:var(--ink)}

/* Proof explainer */
.beat .badge{font:500 12px/1 var(--mono);color:var(--accent-ink);background:var(--accent);border-radius:999px;padding:6px 10px;align-self:flex-start}
.verdicts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:clamp(40px,6vw,56px)}
@media (max-width:700px){.verdicts{grid-template-columns:minmax(0,1fr)}}
.verdict{border-radius:12px;padding:22px 24px;border:1px solid var(--border);background:var(--panel);display:grid;gap:10px}
.verdict.pos{border:2px solid var(--accent);background:var(--tint-8)}
.verdict .v{font:600 11px/1.4 var(--sans);letter-spacing:1.8px;text-transform:uppercase}
.verdict.pos .v{color:var(--accent)}
.verdict.neg .v{color:var(--muted)}
.verdict h3{font-size:18px;line-height:1.4;letter-spacing:-.3px}
.verdict p{font-size:15px}

/* Info buttons and dialogs (native popover) */
.info{display:inline-grid;place-items:center;width:32px;height:32px;margin:-8px -4px -8px 0;padding:0;border:0;background:none;cursor:pointer;vertical-align:middle;border-radius:50%}
.info .i{display:grid;place-items:center;width:19px;height:19px;border-radius:50%;border:1.5px solid var(--tint-40);color:var(--accent);font:italic 400 14px/1 var(--serif);transition:background-color .15s,border-color .15s}
.info:hover .i,.info:focus-visible .i{background:var(--tint-13);border-color:var(--accent)}
.info:focus-visible{outline-offset:0}
/* Fallback (no CSS anchor positioning): a non-modal bottom sheet. */
.pop{position:fixed;inset:auto auto 24px 50%;transform:translateX(-50%);margin:0;max-height:calc(100dvh - 48px);overflow:auto;width:min(400px,calc(100vw - 32px));padding:20px 22px 16px;background:var(--raised);color:var(--muted);border:1px solid var(--tint-40);border-radius:14px;font:400 15px/1.6 var(--sans)}
/* Anchored next to its "i" button (each pairing is listed under anchors:start below). */
@supports (anchor-name:--a) and (position-area:bottom){
  .pop{inset:auto;transform:none;margin:8px 0;position-area:bottom span-right;position-try-fallbacks:--below-left,--above-right,--above-left,--below-full,--above-full;max-height:min(70dvh,480px)}
  @position-try --below-left{position-area:bottom span-left}
  @position-try --above-right{position-area:top span-right}
  @position-try --above-left{position-area:top span-left}
  /* Directly below/above the button, centred across the viewport (narrow screens). */
  @position-try --below-full{position-area:bottom span-all;justify-self:center}
  @position-try --above-full{position-area:top span-all;justify-self:center}
  @media (max-width:600px){
    .pop{position-area:bottom span-all;justify-self:center;position-try-fallbacks:--above-full}
  }
}
.pop::backdrop{background:transparent}
.pop-title{font:600 12px/1.4 var(--sans);letter-spacing:1.6px;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.pop-body code{font-size:.9em;color:var(--ink)}
.pop-body ul{display:grid;gap:8px;list-style:disc;padding-left:18px}
.pop-close{margin-top:18px;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--tint-40);background:transparent;color:var(--accent);font:700 12px/1 var(--sans);letter-spacing:.6px;text-transform:uppercase;cursor:pointer}
.pop-close:hover{background:var(--tint-8);color:var(--ink)}
@media (prefers-reduced-motion:no-preference){
  .pop:popover-open{animation:pop-in .26s var(--ease)}
  @keyframes pop-in{from{opacity:0}to{opacity:1}}
}

/* Integrate */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none}
@media (max-width:900px){.steps{grid-template-columns:minmax(0,1fr)}}
.steps .card h3{font-size:17px}
.envs{display:grid;gap:10px;margin-top:4px}
.env{display:flex;justify-content:space-between;align-items:baseline;gap:6px 12px;flex-wrap:wrap;border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:var(--bg)}
.env span{font:600 11px/1.6 var(--sans);letter-spacing:1.4px;text-transform:uppercase;color:var(--accent)}
.env code{font-size:13px;color:var(--ink);overflow-wrap:anywhere}
.cta-band{margin-top:clamp(48px,7vw,72px);border:1px solid var(--border);border-radius:16px;background:radial-gradient(ellipse at 85% 0%,var(--sky-40) 0%,var(--sky-0) 60%),var(--panel);padding:clamp(28px,5vw,48px);display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(26px,3.2vw,36px);line-height:1.1;letter-spacing:-.02em;text-transform:uppercase;max-width:560px}
.band-mail{flex-basis:100%}
.cta-band h2 .serif{font:italic 400 1.1em var(--serif);text-transform:none;color:var(--accent);letter-spacing:0}

/* Hero code card: CSS-only tabs (radio inputs + :has) */
.hero-code{grid-column:1/-1}
.tab-bar{display:flex;align-items:center;gap:4px 8px;padding:8px 10px 0;border-bottom:1px solid var(--border)}
.tab-group{display:flex;gap:4px}
.tab-bar .info{margin:-4px 0 0}
.tab-input{position:absolute;opacity:0;width:1px;height:1px;margin:0;pointer-events:none}
.tab{position:relative;display:inline-flex;align-items:center;min-height:40px;padding:0 12px;font:600 11px/1 var(--sans);letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);cursor:pointer;border-radius:8px 8px 0 0;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab:hover{color:var(--ink)}
.tab-input:checked+.tab{color:var(--accent);border-bottom-color:var(--accent)}
.tab-input:focus-visible+.tab{outline:2px solid var(--accent);outline-offset:-2px}
.tab-meta{margin-left:auto;font:500 11px/1.4 var(--mono);color:var(--faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
@media (max-width:480px){.tab-meta{display:none}}
.tabs .tab-panel{margin:0;padding:16px 16px 18px;overflow-x:auto;font-size:12.5px;line-height:1.7;color:var(--muted)}
/* Wide panels on desktop, a narrow re-wrap below 960px; SDK shown unless Response is chosen. */
.tabs .tab-panel{display:none}
.tabs .panel-sdk.wide{display:block}
.tabs:has(#tab-res:checked) .panel-sdk.wide{display:none}
.tabs:has(#tab-res:checked) .panel-res.wide{display:block}
@media (max-width:959px){
  .tabs .panel-sdk.wide,.tabs:has(#tab-res:checked) .panel-res.wide{display:none}
  .tabs .panel-sdk.narrow{display:block}
  .tabs:has(#tab-res:checked) .panel-sdk.narrow{display:none}
  .tabs:has(#tab-res:checked) .panel-res.narrow{display:block}
}
.tab-panel .emph{display:block;margin-left:-16px;padding-left:14px;border-left:2px solid var(--accent)}
.tab-panel .dim,.tab-panel .dim *{color:var(--faint)}

/* Use-case gallery */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:1119px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.gallery{grid-template-columns:minmax(0,1fr)}}
.uc{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:14px}
.uc.concept{border-style:dashed;border-color:var(--border-strong)}
.uc>.status{align-self:flex-start}
.uc h3,.eco-card h3{font-size:18px;line-height:1.35;letter-spacing:-.3px}
.uc p{font-size:15px;line-height:1.6}
.uc .prims,.uc .needs{margin-top:auto}
.needs{color:var(--muted)}
.needs-label{display:inline-flex;align-items:center;margin-right:6px;font:600 10.5px/1 var(--sans);letter-spacing:1.3px;text-transform:uppercase;color:var(--muted);border:1px dashed var(--border-dashed);border-radius:999px;padding:5px 8px;vertical-align:1px}
.prims{font:500 12px/1.6 var(--mono);color:var(--faint);overflow-wrap:anywhere}
.uc-link{font-size:14px;font-weight:600;text-decoration:none}
.uc-link:hover{text-decoration:underline}
.status{display:inline-flex;align-items:center;font:600 10.5px/1 var(--sans);letter-spacing:1.4px;text-transform:uppercase;padding:6px 9px;border-radius:999px;border:1px solid;white-space:nowrap}
.status.ships{color:var(--success);border-color:var(--seal-border);background:var(--seal-bg)}
.status.today{color:var(--accent);border-color:var(--tint-40);background:var(--tint-8)}
.status.concept{color:var(--muted);border-style:dashed;border-color:var(--border-dashed)}
.status.neutral{color:var(--muted);border-color:var(--border);background:transparent}

/* Static mocks built from DS parts */
.mock{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:14px;display:grid;grid-template-columns:minmax(0,1fr);gap:10px;justify-items:start;font-size:13px;line-height:1.45;color:var(--muted)}
.m-row{display:flex;align-items:center;gap:10px;width:100%}
.m-env{flex:none;width:18px;height:18px;color:var(--accent)}
.m-from{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.m-label{color:var(--faint)}
.m-addr{font:400 11.5px/1 var(--mono);color:var(--faint)}
.m-subject{color:var(--ink);font-weight:600;font-size:14px;padding-left:28px}
.m-col{display:grid;gap:1px;min-width:0;flex:1}
.m-av{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1.5px solid var(--tint-40);color:var(--accent);font:600 12px/1 var(--sans)}
.m-av.sq{border-radius:10px}
.m-av.lg{width:52px;height:52px;font-size:15px}
.m-name{color:var(--ink);font-weight:600;font-size:13.5px}
.m-sub{color:var(--muted);font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.m-time{font:500 11px/1 var(--mono);color:var(--faint)}
.m-tag{font:600 9.5px/1 var(--sans);letter-spacing:1.2px;text-transform:uppercase;color:var(--ice);border:1px solid var(--ice-tint-40);border-radius:999px;padding:3px 6px;margin-left:4px;vertical-align:1px}
.m-bubble{display:grid;gap:4px;justify-items:start;background:var(--raised);border:1px solid var(--border);border-radius:12px 12px 12px 4px;padding:9px 11px;max-width:100%}
.m-bubble.dim{opacity:.85}
.m-commit{display:flex;gap:10px;font:400 12.5px/1.5 var(--mono);color:var(--ink)}
.m-hash{color:var(--accent)}
.m-meta{font-size:12.5px}
.mock-call .m-tile{width:100%;display:grid;justify-items:center;gap:8px;padding:12px 0 8px;background:var(--raised);border-radius:10px}
.m-tile-name{font-size:12.5px;color:var(--ink)}
.mock-ring{justify-items:center;text-align:center}
.chip{display:inline-flex;align-items:center;font:600 10px/1.3 var(--sans);letter-spacing:1.3px;text-transform:uppercase;border-radius:12px;padding:5px 9px;border:1px solid}
.chip.ok{color:var(--success);background:var(--seal-bg);border-color:var(--seal-border)}
.chip.none{color:var(--muted);border-color:var(--border);background:var(--panel)}
.chip.dashed{color:var(--muted);border-style:dashed;border-color:var(--border-dashed)}

/* Flow strip under the gallery */
.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:24px 0 0;padding:0;list-style:none;border:1px solid var(--border);border-radius:12px;overflow:visible}
.flow li{display:flex;align-items:center;gap:12px;padding:16px 18px;font-size:15px;color:var(--ink);position:relative}
.flow li+li{border-left:1px solid var(--border)}
.flow-n{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font:600 12px/1 var(--mono)}
@media (max-width:800px){.flow{grid-template-columns:minmax(0,1fr)}.flow li+li{border-left:0;border-top:1px solid var(--border)}}

/* How it works: three beats */
.beats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 16px;padding:0;list-style:none}
@media (max-width:900px){.beats{grid-template-columns:minmax(0,1fr)}}
.beat h3{font-size:18px;line-height:1.4;letter-spacing:-.3px}
.beat-fig{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tok,.node{font:500 12px/1 var(--mono);border:1px solid var(--tint-40);color:var(--accent);border-radius:999px;padding:7px 10px}
.tok.ice,.node.ice{color:var(--ice);border-color:var(--ice-tint-40)}
.node{font-family:var(--sans);font-weight:600}
.join{font:600 11px/1 var(--sans);letter-spacing:1.3px;text-transform:uppercase;color:var(--accent-ink);background:var(--accent);border-radius:999px;padding:7px 10px}
.join.ok{background:var(--seal-bg);color:var(--success);border:1px solid var(--seal-border)}
.join::before{content:"→ ";}
.edge{font:500 12px/1 var(--mono);color:var(--muted)}
.edge::before{content:"—";margin-right:4px;color:var(--faint)}
.edge::after{content:"→";margin-left:4px;color:var(--faint)}
.more{margin-top:8px}
.more summary{cursor:pointer;list-style:none}
.more summary::-webkit-details-marker{display:none}
.more-icon{position:relative;width:12px;height:12px;flex:none;transition:transform .2s var(--ease)}
.more-icon::before,.more-icon::after{content:"";position:absolute;left:0;top:5px;width:12px;height:2px;border-radius:1px;background:currentColor}
.more-icon::after{transform:rotate(90deg)}
.more[open] .more-icon{transform:rotate(45deg)}
.more[open] summary{margin-bottom:12px}

/* Built on TrustGraph */
.eco{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px}
@media (max-width:800px){.eco{grid-template-columns:minmax(0,1fr)}}
.eco-card{gap:12px}
.card .eco-quote{font:italic 400 24px/1.3 var(--serif);color:var(--accent)}
.eco-head{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px}
.eco-head .status{margin-left:auto}
.eco-icon{width:48px;height:48px;border-radius:12px;border:1px solid var(--border)}
/* Omnibus card: copy and screenshot side by side only when the card itself has room.
   Measured: the header (icon, name, chip) needs ~280px and the copy ~300px, so two columns
   need 300 + 28 gap + 200 screenshot = 528px of card content width. */
.eco-card.omnibus{container-type:inline-size}
.omni-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:20px 28px;align-items:start}
@container (min-width:528px){.omni-grid{grid-template-columns:minmax(0,1fr) 200px}.omni-grid .eco-shot{max-width:none}}
.eco-body{display:flex;flex-direction:column;gap:12px;height:100%}
.eco-shot{margin:0}
.eco-shot img{width:100%;height:auto;border-radius:14px;border:1px solid var(--border)}
.eco-shot{max-width:240px}
.eco-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:auto;font-size:14px;font-weight:600}
.eco-links a{text-decoration:none}
.eco-links a:hover{text-decoration:underline}
.eco-card.yours{border:1.5px dashed var(--tint-40);background:transparent;text-decoration:none;color:var(--muted);justify-content:center}
.eco-card.yours:hover{background:var(--tint-8)}
.eco-card.yours .uc-link{color:var(--accent)}

/* Guarantees strip */
.guarantees{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--border);border-radius:12px;margin:0;padding:0;list-style:none}
.guarantees li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 16px 16px 20px;color:var(--ink);font-size:15px;font-weight:500;border-bottom:1px solid var(--border)}
.guarantees li:not(:nth-child(3n+1)){border-left:1px solid var(--border)}
.guarantees li:nth-last-child(-n+3){border-bottom:0}
@media (max-width:900px){.guarantees{grid-template-columns:repeat(2,minmax(0,1fr))}.guarantees li{border-left:0!important;border-bottom:1px solid var(--border)!important}.guarantees li:nth-child(2n){border-left:1px solid var(--border)!important}.guarantees li:nth-last-child(-n+2){border-bottom:0!important}}
@media (max-width:560px){.guarantees{grid-template-columns:minmax(0,1fr)}.guarantees li:nth-child(2n){border-left:0!important}.guarantees li:nth-last-child(2){border-bottom:1px solid var(--border)!important}}
.more-docs{margin-top:20px;font-size:15px}

/* 404 */
body.page-404{display:flex;flex-direction:column;min-height:100dvh}
body.page-404 main{flex:1;display:flex;flex-direction:column;justify-content:center}
.hero .wrap.notfound{min-height:60vh;grid-template-columns:minmax(0,1fr);align-content:center;justify-items:start;gap:24px}

/* Footer */
.site-footer{border-top:1px solid var(--border)}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding-top:32px;padding-bottom:48px}
.foot-left{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.foot-left small{font-size:13px;color:var(--faint)}
.site-footer nav ul{display:flex;gap:24px;flex-wrap:wrap}
.site-footer nav a{color:var(--muted);text-decoration:none;font-size:12px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase}
.site-footer nav a:hover{color:var(--ink)}

/* Reveal: progressive enhancement only, content is visible without it */
@media (prefers-reduced-motion:no-preference){
  .rise{animation:rise .7s var(--ease) both}
  .rise.d1{animation-delay:.08s}.rise.d2{animation-delay:.16s}.rise.d3{animation-delay:.24s}
  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .g-pulse{display:none}
}
@media (forced-colors:active){
  .btn-primary{border-color:ButtonText}
  .g-path{stroke:Highlight}
}

/* anchors:start: one line per info button. To add one, give the button id="b-<key>" and the popover
   id="i-<key>", then add a matching line here. */
#b-who{anchor-name:--b-who} #i-who{position-anchor:--b-who}
#b-figure{anchor-name:--b-figure} #i-figure{position-anchor:--b-figure}
#b-signed-only{anchor-name:--b-signed-only} #i-signed-only{position-anchor:--b-signed-only}
#b-mail{anchor-name:--b-mail} #i-mail{position-anchor:--b-mail}
#b-msg{anchor-name:--b-msg} #i-msg{position-anchor:--b-msg}
#b-git{anchor-name:--b-git} #i-git{position-anchor:--b-git}
#b-agent{anchor-name:--b-agent} #i-agent{position-anchor:--b-agent}
#b-calls{anchor-name:--b-calls} #i-calls{position-anchor:--b-calls}
#b-blocker{anchor-name:--b-blocker} #i-blocker{position-anchor:--b-blocker}
#b-seat{anchor-name:--b-seat} #i-seat{position-anchor:--b-seat}
#b-bind{anchor-name:--b-bind} #i-bind{position-anchor:--b-bind}
#b-vouch{anchor-name:--b-vouch} #i-vouch{position-anchor:--b-vouch}
#b-proof{anchor-name:--b-proof} #i-proof{position-anchor:--b-proof}
#b-g-signed{anchor-name:--b-g-signed} #i-g-signed{position-anchor:--b-g-signed}
#b-g-nosig{anchor-name:--b-g-nosig} #i-g-nosig{position-anchor:--b-g-nosig}
#b-g-history{anchor-name:--b-g-history} #i-g-history{position-anchor:--b-g-history}
#b-g-logs{anchor-name:--b-g-logs} #i-g-logs{position-anchor:--b-g-logs}
#b-g-metrics{anchor-name:--b-g-metrics} #i-g-metrics{position-anchor:--b-g-metrics}
#b-g-retention{anchor-name:--b-g-retention} #i-g-retention{position-anchor:--b-g-retention}
#b-applayer{anchor-name:--b-applayer} #i-applayer{position-anchor:--b-applayer}
/* anchors:end */