/* FounderOS AI infrastructure route. Product-led, light-first, fully scoped. */
.infrastructure-page {
  --fi-bg: #f7f7f2;
  --fi-bg-2: #efefe8;
  --fi-ink: #0a0b0c;
  --fi-muted: #62666a;
  --fi-line: rgba(10, 11, 12, .14);
  --fi-line-strong: rgba(10, 11, 12, .24);
  --fi-panel: rgba(255, 255, 255, .72);
  --fi-cyan: #00afd0;
  --fi-cyan-dark: #007f9b;
  --fi-coral: #ef684f;
  --fi-lime: #a8ee74;
  --fi-black: #090a0b;
  --fi-white: #f8faf8;
  background: var(--fi-bg);
  color: var(--fi-ink);
}

:root[data-theme="dark"] .infrastructure-page {
  --fi-bg: #090a0b;
  --fi-bg-2: #101214;
  --fi-ink: #f5f7f4;
  --fi-muted: #9da3a7;
  --fi-line: rgba(255, 255, 255, .12);
  --fi-line-strong: rgba(255, 255, 255, .22);
  --fi-panel: rgba(18, 20, 22, .78);
  --fi-cyan: #35d5f2;
  --fi-cyan-dark: #35d5f2;
  --fi-coral: #ff826b;
}

.infrastructure-page *, .infrastructure-page *::before, .infrastructure-page *::after { letter-spacing: 0; }
.infrastructure-page main { overflow: clip; background: var(--fi-bg); }
.infrastructure-page main > section { background: transparent; }
.infrastructure-page h1, .infrastructure-page h2, .infrastructure-page h3, .infrastructure-page p { margin: 0; }
.infrastructure-page h1, .infrastructure-page h2, .infrastructure-page h3 { text-wrap: balance; }
.infrastructure-page .site-head { background: color-mix(in srgb, var(--fi-bg) 90%, transparent); border-color: var(--fi-line); }
.infrastructure-page .site-nav a { color: var(--fi-muted); }
.infrastructure-page .site-nav a:hover { color: var(--fi-ink); }
.infrastructure-page .theme-toggle { border-color: var(--fi-line-strong); color: var(--fi-ink); }
.infrastructure-page .authority-foot { background: var(--fi-bg); border-color: var(--fi-line); }
.infrastructure-page .authority-foot a { color: var(--fi-muted); }

.kicker, .future-hero .eyebrow {
  color: var(--fi-coral);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .72s ease, transform .72s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

.infrastructure-page main > section.future-hero {
  position: relative;
  width: min(1240px, calc(100% - 64px));
  margin-inline: auto;
  padding: calc(var(--head-h) + 76px) 0 88px;
}

.future-hero::before {
  content: "";
  position: absolute;
  inset: var(--head-h) calc(50% - 50vw) 0;
  pointer-events: none;
  background-image: linear-gradient(var(--fi-line) 1px, transparent 1px), linear-gradient(90deg, var(--fi-line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .22;
}

.hero-signal {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin-bottom: 46px;
  padding: 8px 11px;
  border: 1px solid var(--fi-line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--fi-bg) 88%, transparent);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fi-muted);
}
.hero-signal > span { width: 7px; height: 7px; border-radius: 50%; background: var(--fi-lime); box-shadow: 0 0 14px var(--fi-lime); }
.hero-signal b { color: var(--fi-ink); font-weight: 600; }
.hero-signal i { padding-left: 10px; border-left: 1px solid var(--fi-line); font-style: normal; }

.future-hero-copy { position: relative; z-index: 1; width: min(980px, 100%); }
.future-hero h1 { max-width: 14ch; margin-top: 18px; color: var(--fi-ink); font-size: 72px; font-weight: 650; line-height: .97; }
.future-hero h1 em { color: var(--fi-cyan-dark); font-style: normal; }
.future-lede { max-width: 720px; margin-top: 28px !important; color: var(--fi-muted); font-size: 20px; line-height: 1.52; }
.future-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 32px; }
.future-actions .btn { min-height: 50px; }
.watch-link { display: inline-flex; align-items: center; gap: 9px; min-height: 46px; color: var(--fi-ink); font-size: 15px; font-weight: 600; }
.watch-link > span { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--fi-line-strong); border-radius: 50%; font-size: 10px; }
.watch-link small { color: var(--fi-muted); font-family: var(--mono); font-size: 9px; font-weight: 400; }
.hero-trust { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: min(940px, 100%); margin-top: 38px; border-top: 1px solid var(--fi-line-strong); border-left: 1px solid var(--fi-line); }
.hero-trust > div { display: grid; grid-template-columns: 28px 1fr; gap: 5px 10px; min-height: 112px; padding: 18px; border-right: 1px solid var(--fi-line); border-bottom: 1px solid var(--fi-line); background: color-mix(in srgb, var(--fi-panel) 82%, transparent); }
.hero-trust span { grid-row: 1 / 3; color: var(--fi-coral); font-family: var(--mono); font-size: 8px; }
.hero-trust b { font-size: 14px; }
.hero-trust p { color: var(--fi-muted); font-size: 11px; line-height: 1.42; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 18px 30px; margin-top: 42px; padding-top: 22px; border-top: 1px solid var(--fi-line); color: var(--fi-muted); font-family: var(--mono); font-size: 10px; text-transform: uppercase; }
.hero-proof span { display: inline-flex; align-items: center; gap: 9px; }
.hero-proof b { color: var(--fi-coral); font-weight: 600; }

.product-stage {
  position: relative;
  z-index: 1;
  margin-top: 72px;
  border: 1px solid #303338;
  border-radius: 8px;
  overflow: hidden;
  background: var(--fi-black);
  box-shadow: 0 40px 100px -55px rgba(0, 0, 0, .76);
}
.stage-topline { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 42px; padding: 0 15px; border-bottom: 1px solid #2a2c2f; color: #8c9298; font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.stage-topline > div { display: flex; gap: 6px; }
.stage-topline > div span { width: 8px; height: 8px; border-radius: 50%; background: #303439; }
.stage-topline > div span:first-child { background: var(--fi-coral); }
.stage-topline p { text-align: center; }
.stage-topline > b { justify-self: end; color: var(--fi-lime); font-weight: 500; }
.brain-film { display: block; width: 100%; aspect-ratio: 1350 / 836; background: #08090a; object-fit: contain; }
.stage-caption { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 48px; padding: 0 16px; border-top: 1px solid #2a2c2f; color: #a7abb0; font-size: 12px; }
.stage-caption span { display: inline-flex; align-items: center; gap: 8px; color: #d9dcde; font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.stage-caption i { width: 7px; height: 7px; border-radius: 50%; background: var(--fi-cyan); box-shadow: 0 0 12px var(--fi-cyan); }

.integration-rail { position: relative; z-index: 1; margin-top: 32px; }
.integration-rail > p { margin-bottom: 15px; color: var(--fi-muted); font-family: var(--mono); font-size: 10px; text-transform: uppercase; }
.logo-track { display: grid; grid-template-columns: repeat(10, minmax(100px, 1fr)); gap: 8px; }
.logo-track span { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 8px; border: 1px solid var(--fi-line); border-radius: 6px; background: var(--fi-panel); color: var(--fi-ink); font-size: 11px; font-weight: 600; white-space: nowrap; }
.logo-track img { width: 20px; height: 20px; object-fit: contain; }

/* Lightweight interactive FounderOS preview. */
.fos-demo { position: relative; z-index: 2; margin-top: 76px; padding: 0; border-top: 0; }
.fos-demo-intro { display: grid; grid-template-columns: 1.12fr .88fr; gap: 64px; align-items: end; margin-bottom: 30px; }
.fos-demo-intro h2 { max-width: 15ch; margin-top: 14px; color: var(--fi-ink); font-size: 46px; line-height: 1; }
.fos-demo-intro > p { max-width: 52ch; color: var(--fi-muted); font-size: 17px; line-height: 1.52; }
.fos-interactive-callout { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 18px 28px; align-items: center; margin-bottom: 14px; padding: 15px 18px; border: 1px solid color-mix(in srgb, var(--fi-cyan) 46%, var(--fi-line)); border-radius: 6px; background: color-mix(in srgb, var(--fi-cyan) 7%, var(--fi-panel)); color: var(--fi-ink); }
.fos-callout-status { display: inline-flex; align-items: center; gap: 8px; color: var(--fi-cyan-dark); font-family: var(--mono); font-size: 9px; font-weight: 700; text-transform: uppercase; white-space: nowrap; }
.fos-callout-status i { width: 9px; height: 9px; border: 2px solid var(--fi-bg); border-radius: 50%; background: var(--fi-cyan); box-shadow: 0 0 0 4px color-mix(in srgb, var(--fi-cyan) 18%, transparent); }
.fos-interactive-callout p { max-width: 70ch; color: var(--fi-muted); font-size: 13px; line-height: 1.45; }
.fos-interactive-callout p b { color: var(--fi-ink); }
.fos-interactive-callout a { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 42px; padding: 0 15px; border: 1px solid var(--fi-ink); border-radius: 5px; color: var(--fi-bg); background: var(--fi-ink); font-size: 11px; font-weight: 700; white-space: nowrap; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.fos-interactive-callout a:hover, .fos-interactive-callout a:focus-visible { transform: translateY(-2px); border-color: var(--fi-cyan-dark); background: var(--fi-cyan-dark); }
.fos-window { overflow: hidden; border: 1px solid #34373a; border-radius: 8px; color: #f5f6f3; background: #202220; box-shadow: 0 48px 100px -52px rgba(0, 0, 0, .88); }
.fos-window button, .fos-window a { font-family: inherit; }
.fos-titlebar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 44px; padding: 0 14px; border-bottom: 1px solid #393b39; background: #2b2d2a; }
.fos-window-controls { display: flex; gap: 7px; }
.fos-window-controls i { width: 9px; height: 9px; border: 1px solid #595c58; border-radius: 50%; background: #343633; }
.fos-title { display: inline-flex; align-items: center; justify-content: center; gap: 7px; font-size: 12px; }
.fos-title img { width: 18px; height: 18px; }
.fos-title span { padding: 3px 6px; border: 1px solid #4a4d49; border-radius: 999px; color: #a9ada7; font-family: var(--mono); font-size: 7px; text-transform: uppercase; }
.fos-reset { justify-self: end; min-height: 30px; padding: 0 10px; border: 1px solid #484b47; border-radius: 4px; color: #bdc0bb; background: #30322f; font-size: 10px; cursor: pointer; }
.fos-reset:hover, .fos-reset:focus-visible { color: #fff; border-color: #6c706a; }
.fos-interaction-strip { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px 22px; align-items: center; min-height: 50px; padding: 8px 18px; border-bottom: 1px solid rgba(68, 216, 242, .4); background: #112327; }
.fos-interaction-strip > span { display: inline-flex; align-items: center; gap: 8px; color: #72dff0; font-family: var(--mono); font-size: 7px; text-transform: uppercase; white-space: nowrap; }
.fos-interaction-strip > span i { width: 8px; height: 8px; border-radius: 50%; background: #44d8f2; box-shadow: 0 0 0 5px rgba(68, 216, 242, .1), 0 0 13px rgba(68, 216, 242, .68); }
.fos-interaction-strip p { position: relative; padding-left: 21px; color: #f6f7f4; font-size: 12px; font-weight: 700; line-height: 1.35; }
.fos-interaction-strip p::before { content: "->"; position: absolute; top: 0; left: 0; color: #44d8f2; font-family: var(--mono); }
.fos-interaction-strip small { color: #91a9aa; font-family: var(--mono); font-size: 7px; text-transform: uppercase; white-space: nowrap; }
.fos-shell { display: grid; grid-template-columns: 222px minmax(0, 1fr); min-height: 650px; }
.fos-sidebar { display: flex; flex-direction: column; padding: 20px 14px 14px; border-right: 1px solid #393b39; background: #2b2d2a; }
.fos-sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 0 8px 20px; font-size: 17px; }
.fos-sidebar-brand img { width: 26px; height: 26px; }
.fos-sidebar nav { display: grid; gap: 5px; }
.fos-sidebar nav button { display: grid; grid-template-columns: 20px 1fr auto; align-items: center; width: 100%; min-height: 42px; padding: 0 9px; border: 0; border-radius: 5px; color: #c5c7c2; background: transparent; text-align: left; cursor: pointer; }
.fos-sidebar nav button > span { color: #a9ada7; font-size: 14px; text-align: center; }
.fos-sidebar nav button > i { color: #7e827d; font-family: var(--mono); font-size: 7px; font-style: normal; }
.fos-sidebar nav button:hover, .fos-sidebar nav button:focus-visible, .fos-sidebar nav button.is-active { color: #fff; background: #383a37; }
.fos-sidebar nav button.is-active > span { color: #44d8f2; }
.fos-sidebar-status { display: grid; grid-template-columns: 9px 1fr; gap: 4px 7px; margin-top: auto; padding: 14px 10px 4px; border-top: 1px solid #414440; color: #c2c5c0; font-size: 10px; }
.fos-sidebar-status i { width: 7px; height: 7px; margin-top: 3px; border-radius: 50%; background: var(--fi-lime); box-shadow: 0 0 10px rgba(168, 238, 116, .5); }
.fos-sidebar-status small { grid-column: 2; color: #858a84; font-size: 8px; }
.fos-workspace { min-width: 0; background: #202220; }
.fos-mobile-nav { display: none; }
.fos-workspace-head { display: flex; align-items: center; justify-content: space-between; min-height: 62px; padding: 0 24px; border-bottom: 1px solid #343734; }
.fos-workspace-head > div { display: flex; align-items: center; gap: 10px; }
.fos-live-dot { width: 8px; height: 8px; border-radius: 50%; background: #44d8f2; box-shadow: 0 0 12px rgba(68, 216, 242, .6); }
.fos-workspace-head p { display: grid; gap: 2px; }
.fos-workspace-head b { font-size: 13px; }
.fos-workspace-head small { color: #8d928c; font-size: 9px; }
.fos-workspace-head .fos-step-count { display: block; color: #8d928c; font-family: var(--mono); font-size: 9px; }
.fos-step-count span { color: #44d8f2; }
.fos-progress { height: 2px; background: #2c2f2c; }
.fos-progress span { display: block; width: 16.666%; height: 100%; background: linear-gradient(90deg, #ef684f, #44d8f2); transition: width .42s ease; }
.fos-view { display: none; min-height: 586px; }
.fos-view.is-active { display: flex; flex-direction: column; }
.fos-transcript { display: flex; flex-direction: column; gap: 12px; max-height: 236px; padding: 24px 24px 12px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: #4d514c transparent; }
.fos-message { display: flex; gap: 10px; max-width: 720px; }
.fos-message > div { padding: 12px 14px; border: 1px solid #3a3d39; border-radius: 5px; background: #272926; }
.fos-message small { display: block; margin-bottom: 5px; color: #8c918b; font-family: var(--mono); font-size: 7px; text-transform: uppercase; }
.fos-message p { color: #e4e6e1; font-size: 13px; line-height: 1.45; }
.fos-avatar { display: grid; place-items: center; flex: 0 0 30px; width: 30px; height: 30px; border: 1px solid #4a4e49; border-radius: 50%; background: #171917; }
.fos-avatar img { width: 17px; height: 17px; }
.fos-user-message { align-self: flex-end; justify-content: flex-end; }
.fos-user-message > div { border-color: rgba(68, 216, 242, .34); background: #183036; }
.fos-user-message small { color: #76dff0; }
.fos-stage { flex: 1; padding: 12px 24px 24px; }
.fos-stage-label { color: #9ca19b; font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.fos-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 13px; }
.fos-choices button { position: relative; display: grid; gap: 7px; min-height: 88px; padding: 13px 42px 13px 14px; border: 1px solid #4c514b; border-radius: 6px; color: #f0f1ee; background: #282a27; text-align: left; cursor: pointer; transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease; }
.fos-choices button::after { content: ">"; position: absolute; top: 50%; right: 15px; display: grid; place-items: center; width: 24px; height: 24px; transform: translateY(-50%); border: 1px solid #5c625b; border-radius: 50%; color: #72dff0; font-family: var(--mono); font-size: 10px; }
.fos-choices button:hover, .fos-choices button:focus-visible { transform: translateY(-2px); border-color: #44d8f2; background: #2d302d; box-shadow: 0 10px 22px -16px rgba(68, 216, 242, .78); }
.fos-choices button:hover::after, .fos-choices button:focus-visible::after { border-color: #44d8f2; color: #fff; background: #18343a; }
.fos-choices span { color: #ef8975; font-family: var(--mono); font-size: 7px; text-transform: uppercase; }
.fos-choices b { font-size: 13px; line-height: 1.3; }
.fos-composer { display: flex; align-items: center; justify-content: space-between; min-height: 58px; margin: 0 24px 22px; padding: 0 8px 0 15px; border: 1px solid #444743; border-radius: 7px; color: #858a84; background: #191b19; font-size: 12px; }
.fos-composer button { display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; color: #131513; background: #d4d6d0; font-size: 18px; }
.fos-tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 13px; }
.fos-tool-choice { display: grid; grid-template-columns: 24px 1fr; gap: 3px 9px; align-items: center; min-height: 56px; padding: 8px 10px; border: 1px solid #4c514b; border-radius: 5px; color: #e9ebe7; background: #292b28; text-align: left; cursor: pointer; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.fos-tool-choice:hover, .fos-tool-choice:focus-visible, .fos-tool-choice.is-selected { transform: translateY(-2px); border-color: #44d8f2; background: #19343a; }
.fos-tool-choice img { grid-row: 1 / 3; width: 22px; height: 22px; object-fit: contain; }
.fos-tool-choice span { font-size: 11px; font-weight: 650; }
.fos-tool-choice i { color: #858a84; font-family: var(--mono); font-size: 7px; font-style: normal; text-transform: uppercase; }
.fos-tool-choice.is-selected i { color: #72dfef; }
.fos-stage-next { min-height: 42px; margin-top: 12px; padding: 0 16px; border: 1px solid #44d8f2; border-radius: 5px; color: #091214; background: #44d8f2; font-size: 11px; font-weight: 700; cursor: pointer; transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.fos-stage-next:not(:disabled):hover, .fos-stage-next:not(:disabled):focus-visible { transform: translateY(-2px); background: #79e7f7; box-shadow: 0 10px 26px -14px rgba(68, 216, 242, .9); }
.fos-stage-next:disabled { border-color: #3f423f; color: #777c76; background: #2b2d2a; cursor: not-allowed; }
.fos-build-stage { display: grid; grid-template-columns: .72fr 1.28fr; gap: 28px; align-items: center; min-height: 250px; }
.fos-build-orbit { position: relative; display: grid; place-items: center; min-height: 220px; }
.fos-build-orbit::before, .fos-build-orbit::after { content: ""; position: absolute; width: 142px; height: 142px; border: 1px solid rgba(68, 216, 242, .36); border-radius: 50%; }
.fos-build-orbit::after { width: 188px; height: 188px; border-style: dashed; opacity: .6; animation: fosSpin 18s linear infinite; }
.fos-build-orbit > div { position: relative; z-index: 2; display: grid; place-items: center; gap: 5px; width: 112px; height: 112px; border: 1px solid #44d8f2; border-radius: 50%; background: #182326; box-shadow: 0 0 28px rgba(68, 216, 242, .15); text-align: center; }
.fos-build-orbit > div img { width: 21px; }
.fos-build-orbit > div b { font-size: 11px; }
.fos-build-orbit > div small { color: #8c918b; font-size: 7px; }
.fos-build-orbit > span { position: absolute; z-index: 3; padding: 4px 7px; border: 1px solid #464a45; border-radius: 999px; color: #bdc1bb; background: #242724; font-family: var(--mono); font-size: 6px; }
.fos-build-orbit > span:nth-of-type(1) { top: 4px; left: 5%; }
.fos-build-orbit > span:nth-of-type(2) { top: 10px; right: 2%; }
.fos-build-orbit > span:nth-of-type(3) { right: -2%; bottom: 18px; }
.fos-build-orbit > span:nth-of-type(4) { bottom: 5px; left: 3%; }
.fos-build-orbit > span:nth-of-type(5) { top: 46%; left: -4%; }
.fos-build-orbit > span:nth-of-type(6) { top: 44%; right: -7%; }
.fos-build-copy h3 { max-width: 34ch; margin-top: 10px; font-size: 22px; line-height: 1.12; }
.fos-runtime-picker { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; margin-top: 16px; }
.fos-runtime-picker button { min-height: 82px; padding: 12px; border: 1px solid #4c514b; border-radius: 5px; color: #c6cac4; background: #242724; text-align: left; cursor: pointer; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.fos-runtime-picker button:hover, .fos-runtime-picker button:focus-visible { transform: translateY(-2px); border-color: #44d8f2; background: #29302d; }
.fos-runtime-picker button.is-selected { border-color: #44d8f2; color: #f7faf7; background: #172a2d; box-shadow: inset 0 0 0 1px rgba(68, 216, 242, .16); }
.fos-runtime-picker b, .fos-runtime-picker small { display: block; }
.fos-runtime-picker b { font-size: 10px; line-height: 1.3; }
.fos-runtime-picker small { margin-top: 7px; color: #8f958e; font-size: 8px; line-height: 1.35; }
.fos-runtime-picker button.is-selected small { color: #b6c7c2; }
.fos-team-stage { padding-top: 5px; }
.fos-team-stage > div:first-child > h3 { margin-top: 7px; font-size: 22px; }
.fos-team-stage > div:first-child > p:last-child { margin-top: 6px; color: #969b95; font-size: 11px; }
.fos-agent-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 14px; }
.fos-agent-grid article { display: grid; gap: 7px; min-height: 84px; padding: 11px; border: 1px solid #40433f; border-radius: 5px; background: #282a27; }
.fos-agent-grid span, .fos-agent-grid small { color: #858a84; font-family: var(--mono); font-size: 7px; }
.fos-agent-grid span { color: #ef8975; }
.fos-agent-grid b { font-size: 11px; }
.fos-approval-stage { border: 1px solid #414440; border-radius: 6px; overflow: hidden; background: #272926; }
.fos-approval-top { display: flex; align-items: center; justify-content: space-between; min-height: 40px; padding: 0 13px; border-bottom: 1px solid #40433f; }
.fos-approval-top span { color: #ff9d8b; font-family: var(--mono); font-size: 7px; text-transform: uppercase; }
.fos-approval-top b { font-size: 10px; }
.fos-approval-card { padding: 15px; }
.fos-approval-card small { color: #8e938d; font-family: var(--mono); font-size: 7px; text-transform: uppercase; }
.fos-approval-card h3 { margin-top: 8px; font-size: 20px; }
.fos-approval-card > p { margin-top: 8px; color: #afb3ad; font-size: 11px; line-height: 1.45; }
.fos-approval-card > div { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; }
.fos-approval-card > div span { padding: 5px 7px; border: 1px solid #454844; border-radius: 999px; color: #9ca19b; font-family: var(--mono); font-size: 6px; text-transform: uppercase; }
.fos-approval-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 11px 13px; border-top: 1px solid #40433f; background: #222421; }
.fos-approval-actions button { min-height: 36px; padding: 0 13px; border: 1px solid #4a4d49; border-radius: 4px; color: #d0d3ce; background: #2c2f2c; font-size: 10px; cursor: pointer; transition: transform .18s ease, border-color .18s ease; }
.fos-approval-actions .fos-approve { border-color: #44d8f2; color: #071113; background: #44d8f2; font-weight: 700; }
.fos-approval-actions button:hover, .fos-approval-actions button:focus-visible { transform: translateY(-2px); border-color: #72dff0; }
.fos-window :is(button, a):focus-visible { outline: 2px solid #72dff0; outline-offset: 3px; }
.fos-result { text-align: center; }
.fos-result-check { display: grid; place-items: center; width: 40px; height: 40px; margin: 0 auto 11px; border: 1px solid #a8ee74; border-radius: 50%; color: #a8ee74; background: rgba(168, 238, 116, .08); }
.fos-result h3 { margin-top: 8px; font-size: 27px; }
.fos-result > p:not(.fos-stage-label) { max-width: 66ch; margin: 9px auto 0; color: #a9aea8; font-size: 11px; line-height: 1.48; }
.fos-result-outcomes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 15px; text-align: left; }
.fos-result-outcomes span { padding: 10px; border: 1px solid #40433f; border-radius: 5px; color: #a9aea8; font-size: 9px; line-height: 1.35; }
.fos-result-outcomes b { display: block; margin-bottom: 5px; color: #72dfef; font-family: var(--mono); font-size: 7px; text-transform: uppercase; }
.fos-result-actions { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 16px; }
.fos-result-actions .btn { min-height: 42px; font-size: 11px; }
.fos-community-link { padding-bottom: 3px; border-bottom: 1px solid #5d625c; color: #d8dad6; font-size: 10px; }
.fos-preview-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding: 28px 28px 18px; border-bottom: 1px solid #383b37; }
.fos-preview-head p { color: #72dfef; font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.fos-preview-head h3 { margin-top: 8px; font-size: 24px; }
.fos-preview-head > span { color: #8e938d; font-family: var(--mono); font-size: 7px; text-transform: uppercase; }
.fos-brain-preview { position: relative; display: grid; grid-template-columns: 210px 1fr; gap: 34px; align-items: center; flex: 1; padding: 30px; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 34px 34px; }
.fos-brain-core { display: grid; place-items: center; gap: 6px; width: 170px; height: 170px; border: 1px solid #565a54; border-radius: 50%; background: #1b1d1b; text-align: center; }
.fos-brain-core.is-online { border-color: #44d8f2; box-shadow: 0 0 0 12px rgba(68,216,242,.04), 0 0 42px rgba(68,216,242,.12); }
.fos-brain-core img { width: 27px; }
.fos-brain-core b { font-size: 15px; }
.fos-brain-core small { color: #858a84; font-size: 8px; }
.fos-empty-preview { color: #929790; }
.fos-empty-preview b { color: #d8dad6; font-size: 14px; }
.fos-empty-preview p { max-width: 44ch; margin-top: 7px; font-size: 11px; line-height: 1.45; }
.fos-brain-sources { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.fos-brain-sources span { display: flex; justify-content: space-between; gap: 8px; padding: 11px; border: 1px solid #414440; border-radius: 5px; color: #d0d3ce; background: #272926; font-size: 10px; }
.fos-brain-sources i { color: #a8ee74; font-family: var(--mono); font-size: 6px; font-style: normal; text-transform: uppercase; }
.fos-preview-list, .fos-team-preview { display: grid; align-content: start; flex: 1; padding: 18px 28px; }
.fos-preview-list article, .fos-team-preview article { display: grid; grid-template-columns: 9px 1fr auto; gap: 12px; align-items: center; min-height: 72px; border-bottom: 1px solid #373a36; }
.fos-preview-list article > i { width: 7px; height: 7px; border-radius: 50%; background: #44d8f2; }
.fos-preview-list b, .fos-team-preview b { font-size: 12px; }
.fos-preview-list p, .fos-team-preview p { margin-top: 4px; color: #8f948e; font-size: 9px; }
.fos-preview-list article > span, .fos-team-preview article > i { color: #72dfef; font-family: var(--mono); font-size: 7px; font-style: normal; text-transform: uppercase; }
.fos-team-preview article { grid-template-columns: 26px 1fr auto; }
.fos-team-preview article > span { color: #ef8975; font-family: var(--mono); font-size: 7px; }
.fos-back-chat { align-self: flex-start; min-height: 38px; margin: 0 28px 24px; padding: 0 13px; border: 1px solid #474a46; border-radius: 4px; color: #d3d6d1; background: #2c2e2b; font-size: 10px; cursor: pointer; }
.fos-privacy-note { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 38px; border-top: 1px solid #393b39; color: #858a84; background: #292b28; font-size: 9px; }
.fos-privacy-note > span { width: 7px; height: 7px; border: 1px solid #a8ee74; border-radius: 50%; }
.fos-privacy-note b { color: #c4c7c1; }
.fos-noscript { padding: 12px; color: var(--fi-muted); font-size: 13px; }
@keyframes fosSpin { to { transform: rotate(360deg); } }
@keyframes fosActionPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(68, 216, 242, .08); } 50% { box-shadow: 0 0 0 5px rgba(68, 216, 242, .14); } }
@keyframes fosLivePulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .55; transform: scale(.76); } }

@media (prefers-reduced-motion: no-preference) {
  .fos-callout-status i, .fos-interaction-strip > span i { animation: fosLivePulse 1.6s ease-in-out infinite; }
  .fos-window[data-fos-step="0"] .fos-primary-choices button,
  .fos-stage-next:not(:disabled),
  .fos-approval-actions .fos-approve { animation: fosActionPulse 2.4s ease-in-out infinite; }
}

.infrastructure-page main > :is(.definition-section, .workflow-section, .brain-network, .outcome-section, .control-section, .ownership-section, .regulated-section, .audit-section, .infra-faq) {
  width: min(1180px, calc(100% - 64px));
  margin-inline: auto;
  padding-block: 128px;
}

.definition-section { border-top: 1px solid var(--fi-line); }
.definition-intro { display: grid; grid-template-columns: .75fr 1.35fr; gap: 28px 80px; align-items: start; }
.definition-intro .kicker { grid-column: 1; }
.definition-intro h2 { grid-column: 2; grid-row: 1; max-width: 14ch; margin: 0; color: var(--fi-ink); font-size: 54px; line-height: 1; }
.definition-intro > p:last-child { grid-column: 2; max-width: 66ch; margin-top: 8px; color: var(--fi-muted); font-size: 18px; line-height: 1.56; }
.definition-intro strong { color: var(--fi-ink); }
.definition-list { margin-top: 72px; border-top: 1px solid var(--fi-line-strong); }
.definition-list article { display: grid; grid-template-columns: 48px minmax(280px, .9fr) minmax(260px, 1.1fr); gap: 26px; align-items: center; min-height: 128px; border-bottom: 1px solid var(--fi-line); }
.definition-list article > span { color: var(--fi-coral); font-family: var(--mono); font-size: 10px; }
.definition-list h3 { font-size: 24px; line-height: 1.08; }
.definition-list p { max-width: 58ch; margin-top: 9px; color: var(--fi-muted); font-size: 14px; line-height: 1.5; }
.definition-list article > b { justify-self: end; max-width: 34ch; color: var(--fi-cyan-dark); font-family: var(--mono); font-size: 10px; font-weight: 500; line-height: 1.5; text-align: right; text-transform: uppercase; }

.workflow-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: center; border-top: 1px solid var(--fi-line); }
.workflow-copy h2 { max-width: 12ch; margin-top: 16px; color: var(--fi-ink); font-size: 52px; line-height: 1; }
.workflow-copy > p:last-child { max-width: 52ch; margin-top: 22px; color: var(--fi-muted); font-size: 17px; line-height: 1.55; }
.workflow-console { overflow: hidden; border: 1px solid #2d3034; border-radius: 8px; color: #f5f7f4; background: #0d0f11; box-shadow: 0 36px 80px -52px rgba(0,0,0,.78); }
.workflow-head { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; min-height: 58px; padding: 0 18px; border-bottom: 1px solid #292c30; }
.workflow-head span, .workflow-head i { color: #92979c; font-family: var(--mono); font-size: 8px; font-style: normal; text-transform: uppercase; }
.workflow-head b { font-size: 14px; }
.workflow-console ol { margin: 0; padding: 0; list-style: none; }
.workflow-console li { display: grid; grid-template-columns: 30px 1fr auto; gap: 14px; align-items: center; min-height: 92px; padding: 14px 18px; border-bottom: 1px solid #25282b; }
.workflow-console li > span, .workflow-console li > em { color: #7f858a; font-family: var(--mono); font-size: 8px; font-style: normal; text-transform: uppercase; }
.workflow-console li > em { color: #6eddf0; text-align: right; }
.workflow-console li:nth-child(3) > em { color: #ff9b87; }
.workflow-console li b { font-size: 13px; }
.workflow-console li p { margin-top: 5px; color: #9ca2a6; font-size: 11px; line-height: 1.4; }
.workflow-result { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 14px 18px; background: #141719; }
.workflow-result span { color: #8e9499; font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.workflow-result p { font-size: 12px; }
.workflow-result button { min-height: 38px; padding: 0 14px; border: 1px solid var(--fi-cyan); border-radius: 5px; color: #061012; background: var(--fi-cyan); font: inherit; font-size: 11px; font-weight: 700; }

.forget-section { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; border-top: 1px solid var(--fi-line); }
.forget-copy h2, .story-head h2, .network-copy h2, .outcome-head h2, .control-copy h2, .ownership-section > h2, .audit-copy h2, .faq-intro h2, .final-section h2 { margin-top: 16px; color: var(--fi-ink); font-size: 54px; line-height: 1; }
.forget-copy > p:last-child, .story-head > p:last-child, .network-copy > p, .control-copy > p, .audit-copy > p, .final-section > p { margin-top: 22px; color: var(--fi-muted); font-size: 18px; line-height: 1.56; }
.memory-loss { border-top: 1px solid var(--fi-line-strong); }
.loss-row { display: grid; grid-template-columns: 80px 120px 1fr 42px; align-items: center; gap: 16px; min-height: 68px; border-bottom: 1px solid var(--fi-line); }
.loss-row span, .loss-row i { color: var(--fi-muted); font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.loss-row b { font-size: 14px; }
.loss-row p { color: var(--fi-muted); font-size: 14px; }
.loss-row i { color: var(--fi-coral); text-align: right; font-style: normal; }
.forget-close { grid-column: 1 / -1; margin-top: 8px !important; padding-top: 28px; border-top: 1px solid var(--fi-line); color: var(--fi-muted); font-size: 24px; line-height: 1.35; }
.forget-close strong { color: var(--fi-cyan-dark); }

.operating-story { border-top: 1px solid var(--fi-line); }
.story-head { display: grid; grid-template-columns: .8fr 1.3fr .9fr; gap: 50px; align-items: end; }
.story-head .kicker { align-self: start; }
.story-head h2 { margin-top: 0; }
.story-head > p:last-child { margin-top: 0; font-size: 16px; }
.story-steps { margin-top: 72px; border-top: 1px solid var(--fi-line-strong); }
.story-step { display: grid; grid-template-columns: 54px minmax(320px, .9fr) minmax(320px, 1.1fr); gap: 50px; align-items: center; min-height: 360px; padding: 48px 0; border-bottom: 1px solid var(--fi-line); }
.step-num, .step-label { color: var(--fi-coral); font-family: var(--mono); font-size: 10px; text-transform: uppercase; }
.story-step h3 { max-width: 16ch; margin-top: 14px; font-size: 32px; line-height: 1.06; }
.story-step > div:last-child > p:last-child { max-width: 50ch; margin-top: 16px; color: var(--fi-muted); font-size: 16px; line-height: 1.52; }
.step-visual { position: relative; min-height: 258px; border: 1px solid #282b2f; border-radius: 8px; overflow: hidden; background: #0b0c0e; color: #f6f7f5; }
.step-visual::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px); background-size: 36px 36px; }
.connect-visual span { position: absolute; z-index: 2; display: flex; align-items: center; gap: 7px; padding: 8px 10px; border: 1px solid #33363a; border-radius: 5px; background: #151719; font-size: 10px; }
.connect-visual span img { width: 18px; height: 18px; object-fit: contain; }
.connect-visual span:nth-child(1) { top: 32px; left: 28px; }
.connect-visual span:nth-child(2) { top: 38px; right: 26px; }
.connect-visual span:nth-child(3) { bottom: 34px; left: 34px; }
.connect-visual span:nth-child(4) { right: 30px; bottom: 30px; }
.connect-visual i { position: absolute; z-index: 3; top: 50%; left: 50%; display: grid; place-items: center; width: 100px; height: 100px; transform: translate(-50%, -50%); border: 1px solid var(--fi-cyan); border-radius: 50%; background: #0f1618; color: #fff; font-style: normal; font-size: 13px; box-shadow: 0 0 30px rgba(0, 175, 208, .24); }
.brain-visual { display: grid; place-items: center; text-align: center; }
.brain-visual b { position: relative; z-index: 2; color: #fff; font-family: var(--mono); font-size: 20px; line-height: 1.15; }
.brain-visual i { position: absolute; z-index: 2; bottom: 28px; color: #92979c; font-family: var(--mono); font-size: 9px; font-style: normal; text-transform: uppercase; }
.brain-orbit { position: absolute; width: 160px; height: 160px; border: 1px solid rgba(53, 213, 242, .6); border-radius: 50%; box-shadow: 0 0 0 26px rgba(53, 213, 242, .05), 0 0 60px rgba(53, 213, 242, .18); animation: pulseOrbit 3.4s ease-in-out infinite; }
.approval-visual { display: grid; align-content: center; justify-items: center; gap: 14px; }
.approval-visual span { position: relative; z-index: 2; color: #9aa0a5; font-family: var(--mono); font-size: 9px; text-transform: uppercase; }
.approval-visual b { position: relative; z-index: 2; padding: 14px 22px; border: 1px solid var(--fi-cyan); border-radius: 6px; color: #071012; background: var(--fi-cyan); font-size: 14px; }
.approval-visual i { position: relative; z-index: 2; color: #c4c8ca; font-family: var(--mono); font-size: 9px; font-style: normal; }

.brain-network { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: center; border-top: 1px solid var(--fi-line); }
.network-copy h2 { max-width: 12ch; }
.text-link { display: inline-flex; gap: 10px; margin-top: 28px; padding-bottom: 5px; border-bottom: 1px solid var(--fi-cyan); color: var(--fi-ink); font-weight: 600; }
.network-canvas { position: relative; min-height: 580px; border: 1px solid var(--fi-line-strong); border-radius: 8px; overflow: hidden; background: var(--fi-panel); }
.network-canvas::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--fi-line) 1px, transparent 1px), linear-gradient(90deg, var(--fi-line) 1px, transparent 1px); background-size: 40px 40px; opacity: .45; }
.network-canvas svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.network-canvas path { fill: none; stroke: color-mix(in srgb, var(--fi-cyan) 46%, var(--fi-line)); stroke-width: 1.25; stroke-dasharray: 5 6; }
.network-core { position: absolute; z-index: 3; top: 50%; left: 50%; display: grid; place-items: center; width: 176px; height: 176px; transform: translate(-50%, -50%); border: 1px solid var(--fi-cyan); border-radius: 50%; background: var(--fi-bg); box-shadow: 0 0 0 12px color-mix(in srgb, var(--fi-cyan) 8%, transparent), 0 0 60px color-mix(in srgb, var(--fi-cyan) 18%, transparent); text-align: center; }
.network-core img { width: 28px; }
.network-core span, .network-core small { font-family: var(--mono); font-size: 9px; color: var(--fi-muted); text-transform: uppercase; }
.network-core b { font-size: 17px; }
.network-node { position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px; min-width: 110px; min-height: 44px; padding: 8px 11px; border: 1px solid var(--fi-line-strong); border-radius: 6px; background: var(--fi-bg); box-shadow: 0 10px 30px -22px rgba(0,0,0,.6); }
.network-node img { width: 20px; height: 20px; object-fit: contain; }
.network-node b { font-size: 11px; }
.n1 { top: 11%; left: 8%; }.n2 { top: 6%; left: 50%; transform: translateX(-50%); }.n3 { top: 12%; right: 7%; }.n4 { top: 46%; right: 3%; }.n5 { right: 8%; bottom: 10%; }.n6 { bottom: 5%; left: 50%; transform: translateX(-50%); }.n7 { bottom: 10%; left: 8%; }.n8 { top: 46%; left: 3%; }

.outcome-section { border-top: 1px solid var(--fi-line); }
.outcome-head { display: grid; grid-template-columns: .55fr 1.45fr; gap: 70px; align-items: start; }
.outcome-head h2 { max-width: 15ch; margin-top: 0; }
.outcome-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 72px; border-top: 1px solid var(--fi-line-strong); border-left: 1px solid var(--fi-line); }
.outcome-grid article { min-height: 300px; padding: 34px; border-right: 1px solid var(--fi-line); border-bottom: 1px solid var(--fi-line); }
.outcome-grid article > span { color: var(--fi-coral); font-family: var(--mono); font-size: 10px; text-transform: uppercase; }
.outcome-grid h3 { max-width: 19ch; margin-top: 38px; font-size: 30px; line-height: 1.08; }
.outcome-grid p { max-width: 50ch; margin-top: 14px; color: var(--fi-muted); font-size: 15px; line-height: 1.5; }
.outcome-grid b { display: block; margin-top: 28px; color: var(--fi-cyan-dark); font-family: var(--mono); font-size: 9px; font-weight: 500; text-transform: uppercase; }

.control-section { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: center; border-top: 1px solid var(--fi-line); }
.control-console { border: 1px solid #2c3034; border-radius: 8px; overflow: hidden; background: #0d0f11; color: #f4f6f4; box-shadow: 0 36px 80px -52px rgba(0,0,0,.78); }
.console-head { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 18px; min-height: 58px; padding: 0 18px; border-bottom: 1px solid #292c30; }
.console-head span, .console-head i { color: #8c9297; font-family: var(--mono); font-size: 8px; font-style: normal; text-transform: uppercase; }
.console-head b { font-size: 14px; }
.console-head i { color: var(--fi-lime); }
.console-row { display: grid; grid-template-columns: 92px 1fr 54px; align-items: center; gap: 14px; min-height: 70px; padding: 0 18px; border-bottom: 1px solid #25282b; }
.console-row span, .console-row b { color: #8c9297; font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.console-row p { font-size: 13px; }
.console-row b { color: #72dff2; text-align: right; }
.console-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 14px; }
.console-actions button { min-height: 36px; padding: 0 14px; border: 1px solid #34383c; border-radius: 5px; color: #d6d9db; background: #151719; font: inherit; font-size: 11px; }
.console-actions .approve-btn { border-color: var(--fi-cyan); color: #061012; background: var(--fi-cyan); font-weight: 700; }
.control-copy h2 { max-width: 12ch; }
.control-copy ul { display: grid; gap: 12px; margin: 26px 0 0; padding: 0; list-style: none; }
.control-copy li { position: relative; padding-left: 20px; color: var(--fi-muted); font-size: 14px; line-height: 1.45; }
.control-copy li::before { content: ""; position: absolute; top: 7px; left: 0; width: 7px; height: 7px; border: 1px solid var(--fi-cyan); border-radius: 50%; }

.ownership-section { border-top: 1px solid var(--fi-line); }
.ownership-section > h2 { max-width: 16ch; }
.ownership-lines { margin-top: 68px; border-top: 1px solid var(--fi-line-strong); }
.ownership-lines p { display: grid; grid-template-columns: 54px 190px 1fr; gap: 24px; align-items: center; min-height: 88px; border-bottom: 1px solid var(--fi-line); }
.ownership-lines span { color: var(--fi-coral); font-family: var(--mono); font-size: 10px; }
.ownership-lines b { font-size: 18px; }
.ownership-lines em { color: var(--fi-muted); font-size: 16px; font-style: normal; line-height: 1.4; }

.ownership-section { position: relative; color: #f5f7f4; border-top: 0; }
.ownership-section::before { content: ""; position: absolute; z-index: 0; inset: 0 calc(50% - 50vw); background: #0b0d0e; }
.ownership-section::after { content: ""; position: absolute; z-index: 0; inset: 0 calc(50% - 50vw); pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 52px 52px; opacity: .6; }
.ownership-section > * { position: relative; z-index: 1; }
.ownership-head { display: grid; grid-template-columns: .62fr 1.38fr; gap: 24px 74px; align-items: start; }
.ownership-head .kicker { grid-column: 1; }
.ownership-head h2 { grid-column: 2; grid-row: 1; max-width: 13ch; color: #f5f7f4; font-size: 54px; line-height: 1; }
.ownership-head > p:last-child { grid-column: 2; max-width: 64ch; color: #a8ada7; font-size: 17px; line-height: 1.55; }
.ownership-proof-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 66px; border-top: 1px solid #34383a; border-left: 1px solid #2d3032; }
.ownership-proof-grid article { min-height: 258px; padding: 28px; border-right: 1px solid #2d3032; border-bottom: 1px solid #2d3032; }
.ownership-proof-grid article > span { color: #ff8a73; font-family: var(--mono); font-size: 8px; text-transform: uppercase; }
.ownership-proof-grid h3 { max-width: 22ch; margin-top: 32px; color: #f5f7f4; font-size: 29px; line-height: 1.05; }
.ownership-proof-grid p { max-width: 54ch; margin-top: 13px; color: #a3a8a2; font-size: 14px; line-height: 1.5; }
.ownership-proof-grid b { display: block; margin-top: 24px; color: #68dff3; font-family: var(--mono); font-size: 8px; font-weight: 500; text-transform: uppercase; }

.regulated-section { display: grid; grid-template-columns: .92fr 1.08fr; gap: 88px; align-items: start; border-top: 1px solid var(--fi-line); }
.regulated-copy h2 { max-width: 13ch; margin-top: 16px; color: var(--fi-ink); font-size: 48px; line-height: 1; }
.regulated-copy > p:not(.kicker) { max-width: 58ch; margin-top: 22px; color: var(--fi-muted); font-size: 16px; line-height: 1.55; }
.regulated-copy small { display: block; max-width: 68ch; margin-top: 24px; padding: 14px 0 0 18px; border-top: 1px solid var(--fi-line); border-left: 2px solid var(--fi-coral); color: var(--fi-muted); font-size: 10px; line-height: 1.5; }
.regulated-controls { border-top: 1px solid var(--fi-line-strong); }
.regulated-controls > div { display: grid; grid-template-columns: 36px 185px 1fr; gap: 16px; align-items: start; min-height: 108px; padding: 22px 0; border-bottom: 1px solid var(--fi-line); }
.regulated-controls span { color: var(--fi-coral); font-family: var(--mono); font-size: 8px; }
.regulated-controls b { font-size: 15px; line-height: 1.25; }
.regulated-controls p { color: var(--fi-muted); font-size: 12px; line-height: 1.45; }

.audit-section { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; border-top: 1px solid var(--fi-line); }
.audit-copy h2 { max-width: 12ch; }
.audit-copy .btn { margin-top: 30px; min-height: 52px; }
.audit-copy small { display: block; margin-top: 13px; color: var(--fi-muted); font-size: 12px; }
.audit-map { border-top: 1px solid var(--fi-line-strong); }
.audit-map > div { display: grid; grid-template-columns: 42px 160px 1fr; gap: 20px; align-items: start; padding: 24px 0; border-bottom: 1px solid var(--fi-line); }
.audit-map span { color: var(--fi-coral); font-family: var(--mono); font-size: 10px; }
.audit-map b { font-size: 16px; }
.audit-map p { color: var(--fi-muted); font-size: 14px; line-height: 1.45; }

.infra-faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 100px; border-top: 1px solid var(--fi-line); }
.faq-intro h2 { max-width: 10ch; font-size: 44px; }
.faq-list { border-top: 1px solid var(--fi-line-strong); }
.faq-list details { border-bottom: 1px solid var(--fi-line); }
.faq-list summary { position: relative; padding: 22px 36px 22px 0; cursor: pointer; color: var(--fi-ink); font-size: 16px; font-weight: 650; line-height: 1.35; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 19px; right: 2px; color: var(--fi-cyan-dark); font-family: var(--mono); font-size: 20px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 65ch; padding: 0 0 22px; color: var(--fi-muted); font-size: 14px; line-height: 1.55; }
.faq-list details p a { color: var(--fi-cyan-dark); text-decoration: underline; text-underline-offset: 3px; }

.final-section { position: relative; padding: 130px 32px 148px; border-top: 1px solid var(--fi-line); text-align: center; overflow: hidden; }
.final-section::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--fi-line) 1px, transparent 1px), linear-gradient(90deg, var(--fi-line) 1px, transparent 1px); background-size: 64px 64px; opacity: .26; }
.final-section > * { position: relative; z-index: 1; }
.final-mark { display: grid; place-items: center; width: 58px; height: 58px; margin: 0 auto 32px; border: 1px solid var(--fi-line-strong); border-radius: 50%; background: var(--fi-bg); }
.final-mark img { width: 29px; }
.final-section h2 { max-width: 16ch; margin-inline: auto; }
.final-section > p { max-width: 58ch; margin-inline: auto; }
.final-section .btn { margin-top: 30px; min-height: 52px; }
.mobile-audit-bar { display: none; }

@keyframes pulseOrbit { 0%, 100% { transform: scale(.94); opacity: .62; } 50% { transform: scale(1.04); opacity: 1; } }

@media (max-width: 1120px) {
  .future-hero h1 { font-size: 62px; }
  .logo-track { grid-template-columns: repeat(5, 1fr); }
  .fos-demo-intro { gap: 44px; }
  .fos-demo-intro h2 { font-size: 42px; }
  .infrastructure-page main > :is(.definition-section, .workflow-section, .brain-network, .outcome-section, .control-section, .ownership-section, .regulated-section, .audit-section, .infra-faq) { padding-block: 104px; }
  .definition-intro { gap-inline: 54px; }
  .workflow-section { gap: 50px; }
  .story-head { grid-template-columns: 1fr 1.4fr; }
  .story-head > p:last-child { grid-column: 2; }
  .story-step { grid-template-columns: 42px minmax(280px, .9fr) minmax(280px, 1.1fr); gap: 34px; }
  .brain-network, .control-section { gap: 50px; }
  .network-canvas { min-height: 520px; }
}

@media (max-width: 860px) {
  .infrastructure-page main > section.future-hero,
  .infrastructure-page main > :is(.definition-section, .workflow-section, .brain-network, .outcome-section, .control-section, .ownership-section, .regulated-section, .audit-section, .infra-faq) { width: min(720px, calc(100% - 40px)); }
  .infrastructure-page main > section.future-hero { padding-top: calc(var(--head-h) + 58px); }
  .future-hero h1 { font-size: 54px; }
  .future-lede { font-size: 18px; }
  .fos-demo-intro { grid-template-columns: 1fr; gap: 16px; }
  .fos-demo-intro > p { max-width: 64ch; }
  .fos-shell { grid-template-columns: 190px minmax(0, 1fr); }
  .fos-sidebar { padding-inline: 10px; }
  .fos-sidebar nav button > i { display: none; }
  .fos-build-stage { grid-template-columns: 1fr; gap: 10px; }
  .fos-build-orbit { min-height: 190px; }
  .stage-caption p { display: none; }
  .definition-intro { grid-template-columns: 1fr; gap: 18px; }
  .definition-intro .kicker, .definition-intro h2, .definition-intro > p:last-child { grid-column: auto; grid-row: auto; }
  .definition-intro h2, .workflow-copy h2, .network-copy h2, .outcome-head h2, .control-copy h2, .ownership-head h2, .regulated-copy h2, .audit-copy h2, .final-section h2 { font-size: 44px; }
  .definition-list article { grid-template-columns: 38px 1fr; }
  .definition-list article > b { grid-column: 2; justify-self: start; text-align: left; }
  .workflow-section, .brain-network, .control-section, .regulated-section, .audit-section, .infra-faq { grid-template-columns: 1fr; gap: 52px; }
  .ownership-head { grid-template-columns: 1fr; gap: 18px; }
  .ownership-head .kicker, .ownership-head h2, .ownership-head > p:last-child { grid-column: auto; grid-row: auto; }
  .workflow-copy h2, .network-copy h2, .control-copy h2, .audit-copy h2 { max-width: 14ch; }
  .story-head, .outcome-head { grid-template-columns: 1fr; gap: 18px; }
  .story-head > p:last-child { grid-column: auto; max-width: 56ch; }
  .story-step { grid-template-columns: 38px 1fr; gap: 26px; }
  .story-step .step-visual { grid-column: 2; width: 100%; }
  .story-step > div:last-child { grid-column: 2; }
  .network-canvas { min-height: 560px; }
  .outcome-grid { margin-top: 52px; }
  .control-console { order: 2; }
  .control-copy { order: 1; }
  .audit-map > div { grid-template-columns: 34px 150px 1fr; }
  .faq-intro h2 { font-size: 38px; max-width: 13ch; }
}

@media (max-width: 620px) {
  .infrastructure-page { padding-bottom: 62px; }
  .infrastructure-page .site-head { padding-inline: 14px; }
  .infrastructure-page .wordmark { min-height: 44px; }
  .infrastructure-page .theme-toggle { display: none; }
  .infrastructure-page .head-actions { gap: 8px; }
  .infrastructure-page .btn-small { min-height: 44px; padding-inline: 14px; font-size: 12px; }
  .infrastructure-page .mobile-menu-toggle { width: 44px; height: 44px; }
  .infrastructure-page main > section.future-hero,
  .infrastructure-page main > :is(.definition-section, .workflow-section, .brain-network, .outcome-section, .control-section, .ownership-section, .regulated-section, .audit-section, .infra-faq) { width: calc(100% - 32px); }
  .infrastructure-page main > section.future-hero { padding-top: calc(var(--head-h) + 30px); padding-bottom: 64px; }
  .hero-signal { display: none; }
  .future-hero h1 { max-width: 13ch; font-size: 38px; line-height: 1; }
  .future-lede { margin-top: 20px !important; font-size: 16px; line-height: 1.48; }
  .future-actions { display: grid; gap: 13px; }
  .future-actions .btn { width: 100%; text-align: center; }
  .text-link { align-items: center; min-height: 44px; padding-bottom: 0; }
  .hero-trust { grid-template-columns: 1fr; margin-top: 28px; border-left: 0; }
  .hero-trust > div { min-height: 0; padding: 14px 0; border-right: 0; background: transparent; }
  .watch-link { display: none; }
  .fos-demo { margin-top: 42px; }
  .fos-demo-intro { margin-bottom: 20px; }
  .fos-demo-intro h2 { font-size: 32px; line-height: 1.02; }
  .fos-demo-intro > p { font-size: 15px; }
  .fos-interactive-callout { grid-template-columns: 1fr; gap: 10px; margin-bottom: 10px; padding: 14px; }
  .fos-interactive-callout p { font-size: 12px; }
  .fos-interactive-callout a { width: 100%; min-height: 46px; }
  .fos-window { margin-inline: 0; overflow: clip; border-radius: 6px; }
  .fos-titlebar { grid-template-columns: 1fr auto; min-height: 48px; padding-inline: 10px; }
  .fos-window-controls { display: none; }
  .fos-title { justify-content: flex-start; }
  .fos-title span { display: none; }
  .fos-reset { min-height: 46px; padding-inline: 12px; }
  .fos-interaction-strip { position: sticky; z-index: 12; top: var(--head-h); grid-template-columns: 1fr auto; gap: 5px 10px; min-height: 70px; padding: 9px 12px; box-shadow: 0 8px 22px -18px rgba(0, 0, 0, .88); }
  .fos-interaction-strip p { grid-column: 1 / -1; grid-row: 2; padding-left: 20px; font-size: 11px; }
  .fos-interaction-strip small { grid-column: 2; grid-row: 1; }
  .fos-shell { display: block; min-height: 0; }
  .fos-sidebar { display: none; }
  .fos-mobile-nav { display: grid; grid-template-columns: repeat(4, 1fr); min-height: 46px; border-bottom: 1px solid #383b37; background: #292b28; }
  .fos-mobile-nav button { position: relative; min-height: 46px; border: 0; color: #929791; background: transparent; font-size: 9px; }
  .fos-mobile-nav button.is-active { color: #fff; }
  .fos-mobile-nav button.is-active::after { content: ""; position: absolute; right: 16px; bottom: 0; left: 16px; height: 2px; background: #44d8f2; }
  .fos-workspace-head { min-height: 54px; padding-inline: 14px; }
  .fos-view { min-height: 580px; }
  .fos-transcript { max-height: 204px; padding: 16px 14px 8px; }
  .fos-message { gap: 7px; }
  .fos-message > div { padding: 10px 11px; }
  .fos-message p { font-size: 11px; }
  .fos-avatar { flex-basis: 27px; width: 27px; height: 27px; }
  .fos-stage { padding: 10px 14px 18px; scroll-margin-top: calc(var(--head-h) + 82px); scroll-margin-bottom: 88px; }
  .fos-choices { gap: 7px; }
  .fos-choices button { min-height: 78px; padding: 10px 40px 10px 10px; }
  .fos-choices button::after { right: 10px; }
  .fos-choices b { font-size: 11px; }
  .fos-composer { min-height: 52px; margin: 0 14px 14px; font-size: 10px; }
  .fos-tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .fos-tool-choice { padding-inline: 8px; }
  .fos-stage-next { width: 100%; min-height: 48px; }
  .fos-build-stage { min-height: 340px; }
  .fos-build-orbit { min-height: 195px; }
  .fos-build-copy h3 { font-size: 18px; }
  .fos-runtime-picker { grid-template-columns: 1fr; }
  .fos-runtime-picker button { min-height: 68px; }
  .fos-agent-grid { grid-template-columns: 1fr; }
  .fos-agent-grid article { grid-template-columns: 26px 1fr auto; align-items: center; min-height: 54px; }
  .fos-agent-grid small { text-align: right; }
  .fos-approval-actions button { flex: 1; min-height: 46px; }
  .fos-result h3 { font-size: 23px; }
  .fos-result-outcomes { grid-template-columns: 1fr; }
  .fos-result-actions { display: grid; gap: 10px; }
  .fos-result-actions .btn { width: 100%; text-align: center; }
  .fos-community-link { display: flex; align-items: center; justify-self: center; min-height: 44px; }
  .fos-preview-head { display: grid; gap: 10px; padding: 20px 16px 15px; }
  .fos-preview-head h3 { font-size: 20px; }
  .fos-brain-preview { grid-template-columns: 1fr; justify-items: center; gap: 22px; padding: 22px 16px; }
  .fos-brain-core { width: 142px; height: 142px; }
  .fos-brain-sources { width: 100%; }
  .fos-preview-list, .fos-team-preview { padding: 12px 16px; }
  .fos-preview-list article, .fos-team-preview article { min-height: 74px; }
  .fos-back-chat { min-height: 44px; margin: 0 16px 16px; }
  .fos-privacy-note { min-height: 46px; padding: 7px 12px; text-align: center; }
  .product-stage { margin-top: 34px; border-radius: 6px; }
  .stage-topline { grid-template-columns: 1fr auto; min-height: 36px; padding-inline: 10px; }
  .stage-topline p { display: none; }
  .stage-caption { min-height: 42px; padding-inline: 10px; }
  .brain-film { aspect-ratio: 1350 / 836; }
  .hero-proof { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 22px; padding-top: 0; border: 1px solid var(--fi-line); border-radius: 6px; overflow: hidden; }
  .hero-proof span { min-height: 58px; padding: 9px 10px; border-right: 1px solid var(--fi-line); border-bottom: 1px solid var(--fi-line); font-size: 8px; line-height: 1.3; }
  .hero-proof span:nth-child(even) { border-right: 0; }
  .hero-proof span:nth-last-child(-n+2) { border-bottom: 0; }
  .integration-rail { margin-top: 26px; }
  .logo-track { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: auto; animation: none; }
  .integration-rail { overflow: visible; margin-inline: 0; padding-inline: 0; }
  .logo-track span { min-width: 0; justify-content: flex-start; padding-inline: 12px; }
  .infrastructure-page main > :is(.definition-section, .workflow-section, .brain-network, .outcome-section, .control-section, .ownership-section, .regulated-section, .audit-section, .infra-faq) { padding-block: 66px; }
  .definition-intro h2, .workflow-copy h2, .network-copy h2, .outcome-head h2, .control-copy h2, .ownership-head h2, .regulated-copy h2, .audit-copy h2, .final-section h2 { font-size: 34px; line-height: 1.02; }
  .definition-intro > p:last-child, .workflow-copy > p:last-child, .network-copy > p, .control-copy > p, .audit-copy > p, .final-section > p { font-size: 16px; }
  .definition-list { margin-top: 42px; }
  .definition-list article { grid-template-columns: 28px 1fr; gap: 10px 14px; min-height: 0; padding: 24px 0; }
  .definition-list h3 { font-size: 21px; }
  .definition-list p { font-size: 13px; }
  .definition-list article > b { grid-column: 2; font-size: 8px; }
  .workflow-section { gap: 36px; }
  .workflow-console { border-radius: 6px; }
  .workflow-head { grid-template-columns: auto 1fr; min-height: 52px; padding-inline: 12px; }
  .workflow-head i { display: none; }
  .workflow-console li { grid-template-columns: 24px 1fr; gap: 9px; min-height: 0; padding: 16px 12px; }
  .workflow-console li > em { grid-column: 2; justify-self: start; }
  .workflow-result { grid-template-columns: 1fr; gap: 8px; padding: 14px 12px; }
  .workflow-result button { width: 100%; min-height: 44px; }
  .network-canvas { min-height: 430px; }
  .network-core { width: 142px; height: 142px; }
  .network-node { min-width: 92px; min-height: 40px; padding: 7px 8px; }
  .network-node img { width: 17px; height: 17px; }
  .network-node b { font-size: 9px; }
  .n1 { top: 9%; left: 4%; }.n2 { top: 4%; }.n3 { top: 10%; right: 3%; }.n4 { right: 2%; }.n5 { right: 3%; bottom: 8%; }.n6 { bottom: 3%; }.n7 { bottom: 9%; left: 3%; }.n8 { left: 2%; }
  .outcome-grid { grid-template-columns: 1fr; border-left: 0; }
  .outcome-grid article { min-height: unset; padding: 28px 0; border-right: 0; }
  .outcome-grid h3 { margin-top: 26px; font-size: 27px; }
  .console-head { grid-template-columns: 1fr auto; }
  .console-head span { display: none; }
  .console-row { grid-template-columns: 68px 1fr 40px; gap: 8px; min-height: 76px; padding: 0 11px; }
  .console-row p { font-size: 11px; line-height: 1.35; }
  .console-actions { justify-content: stretch; }
  .console-actions button { flex: 1; min-height: 44px; padding-inline: 8px; }
  .ownership-proof-grid { grid-template-columns: 1fr; margin-top: 42px; border-left: 0; }
  .ownership-proof-grid article { min-height: 0; padding: 26px 0; border-right: 0; }
  .ownership-proof-grid h3 { margin-top: 22px; font-size: 25px; }
  .regulated-section { gap: 42px; }
  .regulated-copy > p:not(.kicker) { font-size: 15px; }
  .regulated-controls > div { grid-template-columns: 28px 1fr; gap: 8px 12px; min-height: 0; padding: 20px 0; }
  .regulated-controls p { grid-column: 2; }
  .audit-copy .btn { width: 100%; text-align: center; }
  .audit-map > div { grid-template-columns: 28px 1fr; gap: 9px 12px; }
  .audit-map p { grid-column: 2; }
  .faq-intro h2 { font-size: 32px; }
  .faq-list details p a { display: inline-flex; align-items: center; min-height: 44px; }
  .authority-foot .wordmark { min-height: 44px; }
  .authority-foot nav { gap: 4px 16px; }
  .authority-foot nav a { display: inline-flex; align-items: center; min-height: 44px; }
  .final-section { padding: 88px 20px 108px; text-align: left; }
  .final-mark { margin-left: 0; }
  .final-section h2, .final-section > p { margin-inline: 0; }
  .final-section .btn { width: 100%; text-align: center; }
  .mobile-audit-bar { position: fixed; z-index: 80; right: 0; bottom: 0; left: 0; display: block; padding: 9px 12px calc(9px + env(safe-area-inset-bottom)); border-top: 1px solid rgba(255,255,255,.14); background: rgba(9,10,11,.94); backdrop-filter: blur(18px); transition: transform .24s ease, opacity .24s ease; }
  .mobile-audit-bar a { display: flex; align-items: center; justify-content: space-between; min-height: 46px; padding: 0 16px; border-radius: 6px; color: #071012; background: var(--fi-cyan); font-size: 14px; font-weight: 700; }
  .fos-demo-in-view .mobile-audit-bar { opacity: 0; transform: translateY(110%); pointer-events: none; }
}

@media (max-width: 390px) {
  .future-hero h1 { font-size: 33px; }
  .future-lede { font-size: 15px; }
  .fos-demo-intro h2 { font-size: 29px; }
  .fos-interaction-strip { grid-template-columns: 1fr; }
  .fos-interaction-strip small { display: none; }
  .fos-interaction-strip p { grid-column: 1; }
  .fos-choices { grid-template-columns: 1fr; }
  .fos-choices button { min-height: 66px; }
  .fos-tool-grid { grid-template-columns: 1fr; }
  .fos-tool-choice { grid-template-columns: 28px 1fr auto; min-height: 58px; padding-inline: 10px; }
  .fos-tool-choice img { grid-row: auto; }
  .fos-tool-choice span { font-size: 11px; }
  .fos-tool-choice i { text-align: right; }
  .fos-tool-choice img { width: 21px; height: 21px; }
  .fos-brain-sources { grid-template-columns: 1fr; }
  .network-canvas { min-height: 410px; }
  .network-core { width: 126px; height: 126px; }
  .network-core b { font-size: 14px; }
  .network-node { min-width: 78px; }
  .network-node b { display: none; }
  .network-node img { width: 21px; height: 21px; margin: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .brain-orbit, .logo-track, .fos-build-orbit::after { animation: none !important; }
  .fos-progress span { transition: none; }
}

@keyframes logoDrift { from { transform: translateX(0); } to { transform: translateX(-35%); } }