/* Xoyo site — tokens are injected by site.js from the same shapes as
   packages/brand-config (F-11). These are the Xoyo defaults as fallback.
   The trust vocabulary (E2EE green, BRIDGED amber, unencrypted muted) is the
   same one the apps render — ui-design-spec §4 / ADR-009 — and is used here
   as the site's structural device, not decoration. */
:root {
  --primary: #4F46E5;
  --secondary: #0EA5E9;
  --bg: #FFFFFF;
  --surface: #F5F6FA;
  --ink: #111827;
  --muted: #6B7280;
  --accent: #F97316;
  --e2ee: #0D8A4F;
  --line: color-mix(in srgb, var(--ink) 12%, transparent);
  --bubble-in: var(--surface);
  --bubble-out: color-mix(in srgb, var(--primary) 12%, var(--bg));
  --radius: 14px;
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "Instrument Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #818CF8;
    --secondary: #38BDF8;
    --bg: #0B0F19;
    --surface: #151A28;
    --ink: #F9FAFB;
    --muted: #9CA3AF;
    --accent: #FB923C;
    --e2ee: #34D399;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--secondary); }
:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--bg); padding: 8px 12px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 20px; height: 64px; }
.wordmark {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--display); font-weight: 700; font-size: 22px;
  color: var(--ink); text-decoration: none; letter-spacing: -0.02em;
}
.wordmark .glyph { width: 26px; height: 26px; flex: none; }
.wordmark .glyph .bubble { fill: var(--primary); }
.wordmark .glyph .dot { fill: var(--accent); }
nav.primary { display: flex; gap: 2px; margin-left: auto; flex-wrap: wrap; }
nav.primary a {
  font-size: 14.5px; font-weight: 500; color: var(--muted);
  text-decoration: none; padding: 7px 11px; border-radius: 8px;
}
nav.primary a:hover { color: var(--ink); background: var(--surface); }
nav.primary a[aria-current="page"] { color: var(--primary); font-weight: 600; }
nav.primary a.talk { color: var(--primary); border: 1px solid color-mix(in srgb, var(--primary) 40%, transparent); }
.brand-switch { display: flex; align-items: center; gap: 6px; }
.brand-switch .hint { font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin-right: 2px; }
.brand-switch button {
  width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--line); cursor: pointer; padding: 0;
}
.brand-switch button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--ink); }

@media (max-width: 860px) {
  .site-header .wrap { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; row-gap: 2px; }
  nav.primary { order: 3; width: 100%; margin-left: 0; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  nav.primary::-webkit-scrollbar { display: none; }
  nav.primary a { white-space: nowrap; }
  .brand-switch { margin-left: auto; }
  .brand-switch span.hint { display: none; }
}

/* ---------- shared blocks ---------- */
main { padding: 48px 0 0; }
.eyebrow {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 10px;
}
h1 {
  font-family: var(--display); font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1.04; letter-spacing: -0.03em; margin: 0 0 18px; font-weight: 800;
  text-wrap: balance;
}
h2 {
  font-family: var(--display); font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.02em; margin: 0 0 12px; font-weight: 700; text-wrap: balance;
}
h3 { font-size: 18px; margin: 0 0 6px; font-weight: 650; }
p.lede { font-size: clamp(18px, 2vw, 21px); color: var(--muted); max-width: 60ch; margin: 0 0 28px; text-wrap: pretty; }
section { padding: 44px 0; }
section + section { border-top: 1px solid var(--line); }
.muted { color: var(--muted); }
code, .mono { font-family: var(--mono); font-size: 0.88em; }
code {
  background: var(--surface); padding: 2px 6px; border-radius: 6px;
  border: 1px solid var(--line);
}
.small { font-size: 14px; }

.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
.card p + p { margin-top: 8px; }
.card .fid { font-family: var(--mono); font-size: 12px; color: var(--muted); display: block; margin: 0 0 6px; }

/* status chips: derived from the ledger, never rounded up */
.chip {
  display: inline-block; font-family: var(--mono); font-size: 12px;
  padding: 3px 9px; border-radius: 99px; border: 1px solid var(--line);
  vertical-align: middle; margin-left: 8px; white-space: nowrap;
}
.chip.shipped { color: var(--e2ee); border-color: color-mix(in srgb, var(--e2ee) 45%, transparent); background: color-mix(in srgb, var(--e2ee) 9%, transparent); }
.chip.building { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: color-mix(in srgb, var(--accent) 9%, transparent); }
.chip.planned { color: var(--muted); }

/* trust vocabulary — the same three states the apps render */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 12px; padding: 4px 10px; border-radius: 99px;
  border: 1px solid; white-space: nowrap;
}
.pill.e2ee { color: var(--e2ee); border-color: color-mix(in srgb, var(--e2ee) 45%, transparent); background: color-mix(in srgb, var(--e2ee) 9%, transparent); }
.pill.bridged { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.pill.plain { color: var(--muted); border-color: var(--line); background: var(--surface); }

.btn {
  display: inline-block; font-weight: 600; font-size: 16px;
  padding: 12px 22px; border-radius: 12px; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; font-family: var(--body);
}
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: color-mix(in srgb, var(--primary) 86%, var(--ink)); color: #fff; }
.btn.ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn.ghost:hover { background: var(--surface); }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.cta-row .note { font-size: 13.5px; color: var(--muted); }

/* ---------- home hero: the real product, not a mock ---------- */
.hero { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; align-items: center; padding: 16px 0 40px; }
@media (max-width: 960px) { .hero { grid-template-columns: 1fr; } }

.showcase { position: relative; padding-bottom: 8%; }
.browser {
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--bg);
  box-shadow: 0 30px 70px -30px color-mix(in srgb, var(--ink) 45%, transparent);
}
.browser .chrome {
  display: flex; align-items: center; gap: 6px; padding: 9px 12px;
  background: var(--surface); border-bottom: 1px solid var(--line);
}
.browser .chrome i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); display: block; }
.browser .chrome .url {
  margin-left: 8px; flex: 1; font-family: var(--mono); font-size: 11.5px; color: var(--muted);
  background: var(--bg); border-radius: 6px; padding: 3px 10px; border: 1px solid var(--line);
}
.browser img { display: block; width: 100%; height: auto; }
.phone-frame {
  position: absolute; right: -4%; bottom: 0; width: 27%; min-width: 150px;
  border-radius: 12% / 6%; overflow: hidden; background: #000;
  border: 5px solid #111; box-shadow: 0 24px 50px -20px color-mix(in srgb, var(--ink) 60%, transparent);
}
.phone-frame img { display: block; width: 100%; height: auto; }
@media (max-width: 600px) { .phone-frame { display: none; } .showcase { padding-bottom: 0; } }
.hero .caption { font-family: var(--mono); font-size: 12px; color: var(--muted); margin: 14px 0 0; }

/* ---------- proof strip ---------- */
.proof { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.proof div { border-left: 2px solid var(--line); padding: 4px 0 4px 16px; }
.proof b { display: block; font-family: var(--display); font-size: 26px; letter-spacing: -0.02em; line-height: 1.1; }
.proof span { font-size: 14px; color: var(--muted); }

/* ---------- screenshot gallery ---------- */
.shots { display: grid; gap: 26px; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); align-items: start; }
@media (max-width: 480px) { .shots { grid-template-columns: 1fr; } }
.shot { margin: 0; }
.shot a { display: block; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.shot img { display: block; width: 100%; height: auto; }
.shot.phone { max-width: 300px; }
.shot.phone a { border-radius: 28px; }
.shot figcaption { font-size: 14.5px; color: var(--muted); margin-top: 10px; }
.shot figcaption b { color: var(--ink); font-weight: 600; }
.shots.phones { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.shots.phones .shot.phone { max-width: 280px; }

/* ---------- feature / stack lists ---------- */
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.feature-list li {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; background: var(--bg);
}
.feature-list .fid { font-family: var(--mono); font-size: 12px; color: var(--muted); float: right; margin-left: 12px; }
.feature-list p { margin: 6px 0 0; color: var(--muted); font-size: 15.5px; }

table.plain { width: 100%; border-collapse: collapse; font-size: 15.5px; }
table.plain th, table.plain td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.plain th { font-family: var(--mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
table.plain td:first-child { font-family: var(--mono); font-size: 14px; white-space: nowrap; }
.table-scroll { overflow-x: auto; }

/* ---------- steps (how a pilot runs) ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); counter-reset: step; }
.steps li { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; background: var(--surface); }
.steps li::before { counter-increment: step; content: "week " counter(step); font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; display: block; margin-bottom: 6px; }
.steps h3 { font-size: 16.5px; }
.steps p { margin: 4px 0 0; color: var(--muted); font-size: 15px; }

/* ---------- roadmap timeline (real backlog order) ---------- */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px;
  width: 2px; background: var(--line);
}
.timeline li { position: relative; padding: 0 0 22px 34px; }
.timeline li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--bg); border: 3px solid var(--muted);
}
.timeline li.done::before { border-color: var(--e2ee); background: var(--e2ee); }
.timeline li.now::before { border-color: var(--accent); background: var(--accent); }
.timeline .tid { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-right: 8px; }
.timeline h3 { display: inline; font-size: 16.5px; }
.timeline p { margin: 4px 0 0; color: var(--muted); font-size: 15px; max-width: 66ch; }
.tier { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; margin-bottom: 16px; }
.tier header { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; margin-bottom: 8px; }
.tier header h3 { font-size: 19px; margin: 0; }
.tier header .when { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.tier ul { margin: 6px 0 0; padding-left: 20px; color: var(--muted); font-size: 15.5px; columns: 2; column-gap: 28px; }
.tier ul li { break-inside: avoid; margin-bottom: 4px; }
@media (max-width: 700px) { .tier ul { columns: 1; } }

/* ---------- architecture diagram ---------- */
.diagram { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.diagram svg { display: block; width: 100%; height: auto; }
.diagram text { font-family: var(--mono); fill: var(--ink); }
.diagram .box { fill: var(--bg); stroke: var(--line); rx: 10; }
.diagram .box.hs { stroke: var(--primary); stroke-width: 1.5; }
.diagram .box.bridge { stroke: var(--accent); stroke-width: 1.5; }
.diagram .box.future { stroke-dasharray: 5 4; }
.diagram .flow { stroke: var(--muted); fill: none; stroke-width: 1.4; marker-end: url(#arr); }
.diagram .boundary { stroke: var(--accent); stroke-dasharray: 7 5; stroke-width: 1.4; fill: none; }
.diagram .label { fill: var(--muted); font-size: 11px; }
.diagram .blabel { fill: var(--accent); font-size: 11px; }

/* ---------- code / contract samples ---------- */
pre.sample {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.5;
  margin: 0;
}
pre.sample .c { color: var(--muted); }

/* ---------- forms: waitlist + talk to us ---------- */
form.waitlist { display: flex; gap: 10px; flex-wrap: wrap; max-width: 520px; }
form.waitlist input[type="email"] {
  flex: 1 1 260px; font: inherit; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
}
form.contact { display: grid; gap: 12px; max-width: 640px; }
form.contact .row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { form.contact .row { grid-template-columns: 1fr; } }
form.contact label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
form.contact input, form.contact textarea, form.contact select {
  font: inherit; padding: 11px 13px; border-radius: 12px; width: 100%;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
}
form.contact textarea { min-height: 120px; resize: vertical; }
form input::placeholder, form textarea::placeholder { color: var(--muted); }
.form-note { font-size: 13.5px; color: var(--muted); margin-top: 10px; }
.form-ok { color: var(--e2ee); font-weight: 600; }

/* ---------- callouts ---------- */
.callout { border-left: 3px solid var(--accent); background: color-mix(in srgb, var(--accent) 6%, var(--bg)); padding: 14px 18px; border-radius: 0 12px 12px 0; font-size: 15.5px; }
.callout.green { border-color: var(--e2ee); background: color-mix(in srgb, var(--e2ee) 6%, var(--bg)); }
.callout p { margin: 0; }
.callout p + p { margin-top: 6px; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 40px;
  font-size: 14px; color: var(--muted);
}
.site-footer .wrap { display: grid; gap: 22px; grid-template-columns: 1.4fr 1fr 1fr 1fr; }
@media (max-width: 760px) { .site-footer .wrap { grid-template-columns: 1fr 1fr; } }
.site-footer h4 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; font-family: var(--mono); color: var(--ink); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }
.site-footer .fine { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 14px; font-size: 13px; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }