:root { --bg:#0f1115; --fg:#e6e6e6; --mut:#9aa0a6; --card:#171a21; --line:#2a2f3a;
  --ok:#3fb950; --bad:#f85149; --warn:#d29922; --acc:#58a6ff; color-scheme: dark; }
* { box-sizing: border-box; }
body { margin:0 auto; max-width:1040px; padding:16px; background:var(--bg); color:var(--fg);
  font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; }
h1 { margin:.2em 0 0; } h2 { font-size:1.15em; margin:1.2em 0 .4em; }
a { color:var(--acc); } code,pre,textarea,input { font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:13px; }
.lede { max-width:75ch; } .meta,.hint { color:var(--mut); font-size:13px; overflow-wrap:anywhere; }
nav { display:flex; gap:4px; flex-wrap:wrap; border-bottom:1px solid var(--line); margin-top:12px; }
nav button { background:none; border:1px solid transparent; border-bottom:none; color:var(--mut);
  padding:8px 14px; cursor:pointer; border-radius:6px 6px 0 0; font-size:14px; }
nav button[aria-selected=true] { color:var(--fg); border-color:var(--line); background:var(--card); }
button { background:var(--acc); color:#06121f; border:0; border-radius:6px; padding:8px 14px; cursor:pointer; font-weight:600; }
button.secondary { background:var(--line); color:var(--fg); } button:disabled { opacity:.5; cursor:wait; }
textarea,input,select { width:100%; background:var(--card); color:var(--fg); border:1px solid var(--line); border-radius:6px; padding:8px; }
input,select { width:auto; } .row { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin:8px 0; }
pre { background:var(--card); border:1px solid var(--line); border-radius:6px; padding:10px; white-space:pre-wrap; word-break:break-word; margin:6px 0; }
pre.scroll { max-height:320px; overflow:auto; }
.out { margin-top:14px; } .card { background:var(--card); border:1px solid var(--line); border-radius:8px; padding:12px; margin:10px 0; }
.badge { display:inline-block; padding:1px 8px; border-radius:10px; font-weight:700; font-size:12px; margin-right:6px; }
.allow { background:#12361d; color:var(--ok); } .deny,.require_approval,.fail { background:#3d1214; color:var(--bad); }
.pass { background:#12361d; color:var(--ok); } .neutral { background:var(--line); color:var(--fg); }
.kv { display:grid; grid-template-columns:max-content 1fr; gap:2px 12px; font-size:13px; }
.kv dt { color:var(--mut); } .kv dd { margin:0; word-break:break-all; }
.examples { display:flex; gap:6px; flex-wrap:wrap; margin:8px 0; }
.examples button { background:var(--line); color:var(--fg); font-weight:400; font-size:12px; padding:4px 10px; }
.counter { font-weight:600; margin:6px 0; } .err { color:var(--bad); font-weight:600; }
table { border-collapse:collapse; width:100%; font-size:14px; } td,th { border:1px solid var(--line); padding:6px 8px; text-align:left; vertical-align:top; }
th { background:var(--card); } .facts { margin-top:28px; } footer { margin:32px 0 12px; color:var(--mut); font-size:13px; }
.check { margin:4px 0; } .spinner::after { content:" ⏳"; }
.notice { border-left:4px solid #c80; background:#3a2a05; padding:8px 12px; }
.step-title { font-size:15px; }
.headline { font-weight:600; }
.banner { border-left:4px solid var(--acc); background:#0d2440; padding:8px 12px; border-radius:4px; overflow-wrap:anywhere; }
.tab.flash { animation:flash 1.6s ease-out; }
@keyframes flash { from { box-shadow:0 0 0 3px var(--acc); } to { box-shadow:0 0 0 3px transparent; } }
.spin { display:inline-block; width:14px; height:14px; border:2px solid var(--line); border-top-color:var(--acc); border-radius:50%; animation:spin .8s linear infinite; vertical-align:-2px; }
@keyframes spin { to { transform:rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin,.tab.flash { animation:none; } }
.turns { margin:6px 0 0; padding-left:22px; color:var(--mut); font-size:13px; }
.turns li.done::after { content:" ✓"; color:var(--ok); } .turns li.now { color:var(--fg); }
/* small screens */
pre.scroll, pre { max-width:100%; }
pre.scroll { white-space:pre; overflow-x:auto; }
main, header, section, .card { min-width:0; overflow-wrap:anywhere; }
@media (max-width: 600px) {
  body { padding:10px; font-size:14px; }
  nav { flex-wrap:nowrap; overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:thin; }
  nav button { white-space:nowrap; padding:8px 10px; font-size:13px; flex:0 0 auto; }
  input[size] { width:100%; }
  .row label { width:100%; }
  .kv { grid-template-columns:1fr; } .kv dt { margin-top:4px; }
  .facts table, .limits { display:block; overflow-x:auto; }
  td,th { padding:4px 6px; }
}
/* hero */
.promise { font-size:1.6em; font-weight:700; margin:.2em 0 .4em; line-height:1.25; }
.steps { list-style:none; display:grid; grid-template-columns:repeat(3,1fr); gap:8px; padding:0; margin:12px 0; counter-reset:s; }
.steps li { counter-increment:s; }
.steps a { display:block; height:100%; text-decoration:none; color:var(--fg); background:var(--card); border:1px solid var(--line); border-radius:8px; padding:10px 12px; }
.steps a:hover, .steps a:focus-visible { border-color:var(--acc); }
.steps strong { display:block; font-size:1.1em; } .steps strong::before { content:counter(s) ". "; color:var(--acc); }
.steps span { color:var(--mut); font-size:13px; }
.guarantee { max-width:80ch; font-size:14px; }
.facts details { margin:10px 0; } .facts summary { cursor:pointer; } .facts summary h2 { display:inline; }
/* containment strip */
.contain { list-style:none; display:flex; flex-wrap:wrap; gap:0; padding:0; margin:0 0 10px; width:100%; min-width:0; box-sizing:border-box; }
.contain li { flex:1 1 160px; min-width:0; display:flex; flex-direction:column; gap:2px; padding:8px 10px 8px 14px; border:1px solid var(--line); background:#11141a; position:relative; font-size:13px; }
.contain li + li { border-left:none; }
.contain li:first-child { border-radius:8px 0 0 8px; } .contain li:last-child { border-radius:0 8px 8px 0; }
.contain .c-n { position:absolute; top:6px; right:8px; color:var(--mut); font-size:11px; }
.contain .c-code { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; color:var(--warn); }
.contain .c-deny { background:#3d1214; } .contain .c-deny strong { color:var(--bad); }
.contain .c-nosandbox { background:#12361d; } .contain .c-nosandbox strong { color:var(--ok); }
.contain .c-receipt strong { color:var(--acc); }
button.small { padding:3px 8px; font-size:12px; align-self:flex-start; }
@media (max-width: 600px) {
  .promise { font-size:1.3em; }
  .steps { grid-template-columns:1fr; }
  .contain { flex-direction:column; } .contain li { flex:none; width:100%; box-sizing:border-box; }
  .contain li, .contain li:first-child, .contain li:last-child { border-radius:0; border-left:1px solid var(--line); }
  .contain li + li { border-top:none; }
  .contain li:first-child { border-radius:8px 8px 0 0; } .contain li:last-child { border-radius:0 0 8px 8px; }
}

/* threat line, guided demo and before/after */
.threat { font-size:16px; margin:10px 0 4px; }
.demo-h { font-size:15px; margin:14px 0 6px; color:var(--mut); text-transform:uppercase; letter-spacing:.05em; }
.beforeafter { display:grid; grid-template-columns:minmax(0,1fr) auto minmax(0,1fr); gap:10px; align-items:stretch; margin:14px 0; }
.beforeafter > div { border:1px solid var(--line); border-radius:8px; padding:10px 12px; min-width:0; }
.ba-label { font-size:12px; color:var(--mut); text-transform:uppercase; letter-spacing:.05em; margin-bottom:6px; }
.ba-before { background:#2a1d10; } .ba-before pre { margin:0; white-space:pre-wrap; overflow-wrap:anywhere; color:var(--warn); font-size:14px; }
.ba-arrow { align-self:center; background:#3d1214; color:var(--bad); font-weight:700; text-align:center; }
.ba-after { background:#12361d; } .ba-nothing { font-size:28px; font-weight:700; color:var(--ok); margin:0 0 4px; }
@media (max-width:600px) { .beforeafter { grid-template-columns:minmax(0,1fr); } }
.statuses { font-size:13px; line-height:1.9; color:var(--mut); }
.closing { font-size:16px; font-weight:600; margin:14px 0 4px; }
.contained { background:#10284a; color:var(--acc); }
.beforeafter[data-state=empty] > div { background:#11141a; }
.beforeafter[data-state=empty] .ba-arrow { color:var(--mut); }
.ba-before pre.ba-placeholder { color:var(--mut); font-family:inherit; }

/* ===== visual pass: one accent (teal), refined dark theme ===== */
:root { --bg:#0b0d12; --fg:#e8eaed; --mut:#a3aab5; --card:#141821; --line:#262c38; --acc:#2dd4bf; --acc-ink:#04201c;
  --ok:#4ade80; --bad:#ff6b6b; --warn:#fbbf24; --r:14px; }
body { max-width:1120px; padding:0 24px 24px; font:16px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  background:radial-gradient(1200px 500px at 70% -10%, #0f2a2a 0%, transparent 60%), var(--bg); background-attachment:fixed; }
h2 { font-size:1.5rem; letter-spacing:-.01em; margin:0 0 .6em; line-height:1.25; }
h3 { font-size:1.05rem; margin:0 0 .4em; }
button { background:var(--acc); color:var(--acc-ink); border-radius:10px; transition:transform .12s ease, box-shadow .12s ease, background .12s; }
button:hover:not(:disabled) { box-shadow:0 0 0 3px rgba(45,212,191,.25); }
button.secondary { background:#232a36; color:var(--fg); border:1px solid #333b4a; }
:focus-visible { outline:3px solid var(--acc); outline-offset:3px; border-radius:6px; }
.skip { position:absolute; left:-9999px; } .skip:focus { left:16px; top:12px; background:var(--acc); color:var(--acc-ink); padding:6px 10px; z-index:10; }
.topbar { display:flex; justify-content:space-between; align-items:center; gap:12px; padding:18px 0; border-bottom:1px solid var(--line); flex-wrap:wrap; }
.brand { display:inline-flex; align-items:center; gap:10px; font-weight:800; font-size:20px; letter-spacing:.02em; }
.logo { color:var(--acc); } .topmeta { color:var(--mut); font-size:13px; }
.hero { padding:56px 0 28px; max-width:900px; }
.hero .promise { display:inline-block; font-size:15px; font-weight:700; color:var(--acc); background:rgba(45,212,191,.09);
  border:1px solid rgba(45,212,191,.35); border-radius:999px; padding:6px 14px; margin:0 0 22px; line-height:1.4; }
.hero h1 { font-size:clamp(2.1rem, 5.2vw, 3.6rem); line-height:1.07; letter-spacing:-.03em; font-weight:800; margin:0 0 18px; }
.hero h1 .acc { color:var(--acc); }
.sub { font-size:clamp(1.05rem, 2vw, 1.3rem); color:#c9ced6; margin:0 0 30px; max-width:60ch; }
.cta { display:flex; flex-wrap:wrap; gap:14px 20px; align-items:center; margin-bottom:22px; }
button.big { display:inline-flex; align-items:center; gap:10px; font-size:1.15rem; font-weight:800; padding:16px 28px; border-radius:14px;
  box-shadow:0 10px 30px -10px rgba(45,212,191,.6); }
button.big:hover:not(:disabled) { transform:translateY(-1px); }
.cta-note { max-width:46ch; margin:0; }
.hero .threat { color:#c9ced6; font-size:15px; max-width:75ch; }
.threat code, .ev-cmd { color:var(--warn); }

/* the BLOCKED moment */
.event { background:linear-gradient(180deg,#151a24,#10141c); border:1px solid var(--line); border-radius:20px; padding:22px; margin:8px 0 56px; scroll-margin-top:16px; }
.ev-stages { list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1.5fr 1.2fr 1fr 1fr; gap:12px; }
.ev { position:relative; display:flex; flex-direction:column; gap:8px; min-width:0; border:1px solid var(--line); border-radius:var(--r); padding:16px; background:#0f131a; }
.ev-k { font-size:12px; font-weight:800; letter-spacing:.09em; text-transform:uppercase; color:var(--mut); }
.ev-v { color:var(--mut); font-size:14px; }
.ev-cmd { font-size:15px; white-space:pre-wrap; overflow-wrap:anywhere; }
.event[data-state=empty] .ev-cmd { color:var(--mut); font-family:inherit; }
.event[data-state=filled] .ev-detect { border-color:rgba(251,191,36,.45); background:#1d170a; }
.event[data-state=filled] .ev-detect .ev-k { color:var(--warn); }
.event[data-state=filled] .ev-block { border-color:rgba(255,107,107,.6); background:#2a1114; box-shadow:0 0 0 1px rgba(255,107,107,.25), 0 20px 50px -25px rgba(255,107,107,.6); }
.event[data-state=filled] .ev-block .ev-k { color:var(--bad); font-size:15px; }
.event[data-state=filled] .ev-nocont { border-color:rgba(74,222,128,.45); background:#0e2416; }
.event[data-state=filled] .ev-nocont .ev-k { color:var(--ok); font-size:15px; }
.event[data-state=filled] .ev-receipt { border-color:rgba(45,212,191,.45); }
.event[data-state=filled] .ev-receipt .ev-k { color:var(--acc); }
.event[data-state=filled] .ev-v { color:var(--fg); }
.ev-block .badge { font-size:14px; padding:3px 10px; }
.rule { display:inline-block; margin:4px 6px 0 0; padding:1px 6px; border-radius:6px; background:#3d1214; color:#ffb3b3; font-size:12px; }
.ev[hidden] { display:none; }
.ev-summary { margin:16px 0 0; font-size:14px; }
.event[data-state=filled] .ev { animation:evin .45s ease-out both; }
.event[data-state=filled] .ev-block { animation-delay:.08s; } .event[data-state=filled] .ev-nocont { animation-delay:.16s; } .event[data-state=filled] .ev-receipt { animation-delay:.24s; }
@keyframes evin { from { opacity:.3; transform:translateY(6px); } to { opacity:1; transform:none; } }
.guided { margin-top:22px; padding-top:18px; border-top:1px dashed var(--line); }
.guided .demo-h { font-size:13px; }
.steps a { border-radius:12px; }

/* why + pipeline */
.why, .pipe { margin:0 0 56px; }
.why-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.why-card { border-radius:var(--r); padding:20px; border:1px solid var(--line); }
.why-card p { margin:0; color:#c9ced6; }
.why-card.without { background:#1f1214; border-color:rgba(255,107,107,.35); } .why-card.without h3 { color:var(--bad); }
.why-card.with { background:#0d201e; border-color:rgba(45,212,191,.4); } .why-card.with h3 { color:var(--acc); }
.why .closing { font-size:1.15rem; margin-top:20px; }
.pipeline { width:100%; height:auto; display:block; margin:6px 0 18px; font-family:inherit; }
.p-node rect { fill:#141821; stroke:#38404f; stroke-width:1.5; }
.p-node text { fill:var(--fg); font-size:16px; font-weight:700; text-anchor:middle; }
.p-node text.p-sub { fill:var(--mut); font-size:12.5px; font-weight:400; }
.p-gate rect { stroke:var(--acc); stroke-width:2; } .p-receipt rect { stroke:var(--acc); }
.p-arrow line { stroke:var(--acc); stroke-width:2; marker-end:none; }
.p-ok text { fill:var(--acc); font-size:12px; text-anchor:middle; }
.p-block path { fill:none; stroke:var(--bad); stroke-width:2; stroke-dasharray:5 5; }
.p-block circle { fill:#2a1114; stroke:var(--bad); stroke-width:2; } .p-block path.p-x { stroke-dasharray:none; stroke-width:2.5; }
.p-blocktext { fill:#ffb3b3; font-size:13px; }
.pipe .guarantee, .pipe .statuses { max-width:85ch; }

/* tabs */
.tabs-h { margin-top:0; }
nav button { font-size:15px; }
nav button[aria-selected=true] { color:var(--acc); }
.tab { padding-top:10px; }
.card { border-radius:12px; }

/* verify banners */
.vbanner { display:flex; flex-direction:column; gap:4px; border-radius:12px; padding:18px 20px; margin-bottom:10px; border:1px solid; }
.vbanner strong { font-size:clamp(1.1rem, 2.6vw, 1.45rem); letter-spacing:-.01em; }
.vbanner.ok { background:#0e2416; border-color:rgba(74,222,128,.55); } .vbanner.ok strong { color:var(--ok); }
.vbanner.bad { background:#2a1114; border-color:rgba(255,107,107,.6); } .vbanner.bad strong { color:var(--bad); }
.vbanner code { color:var(--fg); }
.vdetails summary { cursor:pointer; color:var(--acc); margin:6px 0; }
.facts { border-top:1px solid var(--line); padding-top:16px; }

@media (max-width: 900px) { .ev-stages { grid-template-columns:1fr 1fr; } }
@media (max-width: 600px) {
  body { padding:0 14px 16px; }
  .hero { padding:32px 0 18px; }
  .hero .promise { font-size:13px; }
  .topmeta { display:none; }
  button.big { width:100%; justify-content:center; padding:15px 18px; font-size:1.05rem; }
  .ev-stages, .why-grid { grid-template-columns:1fr; }
  .event { padding:14px; border-radius:16px; }
  .pipeline { min-width:0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}
.pipeline-v { display:none; max-width:340px; } .p-vt { text-anchor:middle; }
@media (max-width: 600px) { .pipeline-h { display:none; } .pipeline-v { display:block; } }

/* hero result: all denials, the allowed step, in-browser verification */
.ev-h { font-size:1.25rem; margin:0 0 14px; } .ev-h:focus { outline:none; }
.event[data-state=empty] .ev-h { color:var(--mut); }
.denials { list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }
.dcard { display:flex; flex-direction:column; gap:8px; min-width:0; border:1px solid rgba(255,107,107,.5); background:#22101300; background:#1f1114; border-radius:var(--r); padding:14px; }
.dcard-empty { grid-column:1/-1; border-color:var(--line); background:#0f131a; color:var(--mut); }
.dc-top { display:flex; align-items:center; gap:8px; flex-wrap:wrap; } .dc-n { font-size:13px; color:#e3c7c7; font-weight:600; }
.dc-code { color:var(--warn); font-size:13px; white-space:pre-wrap; overflow-wrap:anywhere; background:#160d0f; border-radius:8px; padding:6px 8px; }
.dc-rules { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:6px; font-size:14px; }
.dc-rules .rule { margin:0; font-size:11px; vertical-align:1px; }
.dc-none { margin:0; color:var(--ok); font-weight:700; font-size:14px; } .dc-rid { margin:0; }
.event[data-state=filled] .dcard { animation:evin .45s ease-out both; }
.ev-allow { margin:14px 0 0; padding:10px 14px; border:1px solid rgba(74,222,128,.4); background:#0e2416; border-radius:12px; font-size:14px; }
.ev-allow code { color:var(--ok); }
.ev-check { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:14px; }
.vmini { display:flex; flex-direction:column; gap:2px; border-radius:12px; padding:12px 14px; border:1px solid var(--line); min-width:0; overflow-wrap:anywhere; }
.vmini strong { font-size:1.35rem; letter-spacing:.02em; }
.vmini.ok { background:#0e2416; border-color:rgba(74,222,128,.55); } .vmini.ok strong { color:var(--ok); }
.vmini.bad { background:#2a1114; border-color:rgba(255,107,107,.6); } .vmini.bad strong { color:var(--bad); }
.vm-k { font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--mut); font-weight:700; }
.ev-actions { margin-top:14px; } .ev-actions .ev-summary { margin:0; }
.live-line { font-size:14px; color:#c9ced6; border-left:3px solid var(--acc); padding:4px 0 4px 12px; margin:10px 0 0; max-width:80ch; }
@media (max-width: 900px) { .denials { grid-template-columns:1fr; } }
@media (max-width: 600px) { .ev-check { grid-template-columns:1fr; } }