:root {
  --bg: #0a0b0d;
  --bg-soft: #0f1114;
  --surface: #14171b;
  --surface-2: #1a1e23;
  --surface-3: #22272d;
  --line: rgba(226, 237, 246, 0.12);
  --line-strong: rgba(226, 237, 246, 0.2);
  --text: #f2f4f6;
  --muted: #a1aab3;
  --quiet: #6d7781;
  --blue: #8fcaff;
  --blue-strong: #4b94ff;
  --green: #b8ea79;
  --green-strong: #78bf5d;
  --amber: #f2b65c;
  --red: #fa806d;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --display: "Space Grotesk", Inter, system-ui, sans-serif;
  --body: "DM Sans", Inter, system-ui, sans-serif;
  --max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { color-scheme: dark; scroll-behavior: smooth; overflow-x: hidden; }

body {
  min-width: 320px;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.6;
}

body::selection { background: rgba(143, 202, 255, 0.28); }
a { color: inherit; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.page-noise, .page-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.page-noise {
  opacity: 0.08;
  background-image: radial-gradient(rgba(255, 255, 255, 0.6) 0.5px, transparent 0.5px);
  background-size: 5px 5px;
  mix-blend-mode: soft-light;
}

.page-grid {
  opacity: 0.4;
  background-image: linear-gradient(rgba(143, 202, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(143, 202, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.mono { font-family: var(--mono); }
.muted { color: var(--quiet); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: rgba(10, 11, 13, 0.78);
  backdrop-filter: blur(20px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled { border-color: var(--line); background: rgba(10, 11, 13, 0.94); }

.nav-wrap {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; }

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(143, 202, 255, 0.55);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(143, 202, 255, 0.22), rgba(143, 202, 255, 0.03));
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.77rem;
  font-weight: 600;
  letter-spacing: -0.08em;
}

.brand-copy { display: grid; gap: 0; line-height: 1.05; }
.brand-copy strong { font-family: var(--display); font-size: 1rem; letter-spacing: -0.03em; }
.brand-copy small { margin-top: 4px; color: var(--quiet); font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.1em; text-transform: uppercase; }

.site-nav { display: flex; align-items: center; gap: 25px; }
.site-nav > a { color: var(--muted); font-size: 0.85rem; text-decoration: none; transition: color 160ms ease; }
.site-nav > a:hover, .site-nav > a:focus-visible { color: var(--text); }

.site-nav .nav-github {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.site-nav .nav-discord {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border: 1px solid rgba(143, 202, 255, 0.4);
  border-radius: 999px;
  background: rgba(143, 202, 255, 0.08);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.72rem;
}
.site-nav .nav-discord:hover, .site-nav .nav-discord:focus-visible { border-color: var(--blue); background: rgba(143, 202, 255, 0.16); color: var(--text); }

.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); cursor: pointer; }
.menu-toggle span { display: block; width: 17px; height: 1px; margin: 4px auto; background: var(--text); transition: transform 160ms ease, opacity 160ms ease; }
.menu-toggle.is-open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.hero { position: relative; padding: 105px 0 88px; scroll-margin-top: 80px; }
.hero::before { position: absolute; top: -170px; right: -110px; width: 700px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(75, 148, 255, 0.14), transparent 68%); content: ""; pointer-events: none; }

.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 0.93fr) minmax(540px, 1.07fr); align-items: center; gap: 66px; }
.hero-copy { position: relative; z-index: 1; }

.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--blue); font-family: var(--mono); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.13em; line-height: 1.2; text-transform: uppercase; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(143, 202, 255, 0.1), 0 0 18px rgba(143, 202, 255, 0.65); }
.eyebrow-dot-amber { background: var(--amber); box-shadow: 0 0 0 4px rgba(242, 182, 92, 0.1), 0 0 18px rgba(242, 182, 92, 0.65); }

.hero h1 { max-width: 680px; margin-top: 0; font-family: var(--display); font-size: clamp(3.4rem, 6.4vw, 6.3rem); font-weight: 600; letter-spacing: -0.075em; line-height: 0.98; }
.hero-lede { max-width: 570px; margin-top: 27px; color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.hero-actions, .companion-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.hero-actions { margin-top: 33px; }

.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 10px; padding: 11px 17px; border: 1px solid transparent; border-radius: 9px; font-size: 0.86rem; font-weight: 600; text-decoration: none; transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: #091019; box-shadow: 0 10px 28px rgba(75, 148, 255, 0.16); }
.button-primary:hover, .button-primary:focus-visible { background: #b4dcff; }
.button-secondary, .button-ghost { border-color: var(--line-strong); background: rgba(255, 255, 255, 0.025); color: var(--text); }
.button-secondary:hover, .button-secondary:focus-visible, .button-ghost:hover, .button-ghost:focus-visible { border-color: rgba(143, 202, 255, 0.65); background: rgba(143, 202, 255, 0.08); }
.button-green { background: var(--green); color: #11180e; }
.button-green:hover, .button-green:focus-visible { background: #d0f59c; }
.button-amber { background: var(--amber); color: #20170b; }
.button-amber:hover, .button-amber:focus-visible { background: #ffd17e; }

.hero-stats { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 62px; padding-top: 20px; border-top: 1px solid var(--line); }
.hero-stat { display: grid; gap: 3px; }
.hero-stat strong { color: var(--text); font-family: var(--display); font-size: 1.45rem; letter-spacing: -0.05em; }
.hero-stat span, .hero-footnote { color: var(--quiet); font-size: 0.71rem; }
.hero-footnote { margin-top: 18px; font-family: var(--mono); font-size: 0.65rem; }
.hero-footnote .mono { color: var(--green); }

.hero-visual { position: relative; z-index: 1; }
.console-frame { padding: 9px; border: 1px solid rgba(143, 202, 255, 0.22); border-radius: 18px; background: linear-gradient(140deg, rgba(143, 202, 255, 0.08), rgba(255, 255, 255, 0.01) 45%, rgba(242, 182, 92, 0.06)); box-shadow: var(--shadow), 0 0 70px rgba(75, 148, 255, 0.08); transform: rotate(1.4deg); }

.console-topline, .console-status-row, .terminal-topline, .channel-heading, .module-heading, .console-model-row, .pinout-head, .board-label, .release-strip, .footer-bottom { display: flex; align-items: center; justify-content: space-between; }
.console-topline { min-height: 35px; padding: 0 10px; color: var(--quiet); font-family: var(--mono); font-size: 0.61rem; letter-spacing: 0.08em; }
.console-brand { display: flex; align-items: center; gap: 8px; }
.console-led, .state-dot, .release-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px rgba(184, 234, 121, 0.8); }
.console-mode { color: var(--blue); font-size: 0.58rem; }

.console-screen { overflow: hidden; padding: 21px 22px 15px; border: 1px solid rgba(226, 237, 246, 0.13); border-radius: 11px; background: #0b0e11; }
.console-model-row { padding-bottom: 17px; border-bottom: 1px solid var(--line); }

.console-label, .module-heading span, .mini-readout-grid span, .channel-cell small, .channel-heading, .console-status-row, .range-labels, .board-details span, .flow-kicker, .card-status, .capability-meta, .pin-row small, .partner-points, .footer-column h3 { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.09em; text-transform: uppercase; }
.console-label { display: block; margin-bottom: 5px; color: var(--quiet); }
.console-model-row strong { font-family: var(--display); font-size: 1.1rem; letter-spacing: -0.04em; }
.console-link-state { display: flex; align-items: center; gap: 7px; color: var(--quiet); font-family: var(--mono); font-size: 0.59rem; }
.state-dot { width: 6px; height: 6px; background: var(--amber); box-shadow: 0 0 11px rgba(242, 182, 92, 0.7); }

.console-main-grid { display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 24px; padding: 21px 0 19px; }
.control-column, .path-column { min-width: 0; }
.control-module + .control-module { margin-top: 19px; }
.module-heading { margin-bottom: 10px; }
.module-heading > span, .mini-readout-grid span, .channel-heading { color: var(--quiet); }
.module-heading strong { color: var(--green); font-family: var(--mono); font-size: 0.74rem; font-weight: 500; }
input[type="range"] { width: 100%; height: 4px; accent-color: var(--blue); cursor: ew-resize; }
.range-labels { display: flex; justify-content: space-between; margin-top: 6px; color: #58616a; font-size: 0.5rem; }

.mini-readout-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 22px; }
.mini-readout-grid > div { display: grid; gap: 2px; padding: 8px 9px; border: 1px solid var(--line); border-radius: 5px; background: rgba(255, 255, 255, 0.018); }
.mini-readout-grid strong { color: var(--text); font-family: var(--mono); font-size: 0.66rem; font-weight: 500; }

.path-steps { padding: 3px 0 0 2px; }
.path-step { display: grid; grid-template-columns: 25px 1fr auto; align-items: center; gap: 7px; padding: 10px 9px; border: 1px solid var(--line); border-radius: 7px; background: rgba(255, 255, 255, 0.018); }
.path-step > span { color: var(--blue); font-family: var(--mono); font-size: 0.58rem; }
.path-step div { display: grid; gap: 1px; }
.path-step strong { font-family: var(--mono); font-size: 0.62rem; font-weight: 500; }
.path-step small { color: var(--quiet); font-size: 0.61rem; }
.path-step b { color: var(--green); font-family: var(--mono); font-size: 0.53rem; font-weight: 500; }
.path-connector { width: 1px; height: 11px; margin-left: 14px; background: rgba(143, 202, 255, 0.35); }

.channel-strip { padding-top: 16px; border-top: 1px solid var(--line); }
.channel-heading { margin-bottom: 11px; }
.channel-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.channel-cell { display: grid; gap: 5px; }
.channel-cell > div:first-child { display: flex; align-items: baseline; justify-content: space-between; gap: 5px; color: var(--quiet); font-family: var(--mono); font-size: 0.56rem; }
.channel-cell strong { color: var(--text); font-size: 0.58rem; font-weight: 500; }
.channel-track { height: 35px; padding: 2px; border: 1px solid var(--line); border-radius: 4px; background: #12161a; }
.channel-track i { display: block; width: 50%; height: 100%; border-radius: 2px; background: linear-gradient(90deg, rgba(143, 202, 255, 0.45), var(--blue)); transition: width 140ms ease; }
.channel-cell small { color: #59636c; font-size: 0.48rem; }

.console-status-row { display: flex; flex-wrap: wrap; gap: 12px 20px; padding-top: 14px; color: var(--quiet); font-size: 0.55rem; }
.console-status-row > span { display: inline-flex; align-items: center; gap: 6px; }
.status-light { display: inline-block; width: 5px; height: 5px; border-radius: 50%; }
.status-green { background: var(--green); }
.status-blue { background: var(--blue); }
.console-clock { margin-left: auto; color: #4f5962; }
.visual-note { margin-top: 18px; color: var(--quiet); font-family: var(--mono); font-size: 0.62rem; }
.visual-note span { color: var(--amber); }

.signal-rail { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.017); }
.signal-rail-inner { display: flex; min-height: 62px; align-items: center; gap: 16px; color: var(--quiet); font-family: var(--mono); font-size: 0.61rem; letter-spacing: 0.08em; }
.signal-rail-inner strong { color: var(--muted); font-size: 0.63rem; font-weight: 500; }
.signal-line { flex: 1; max-width: 160px; height: 1px; background: linear-gradient(90deg, var(--blue), transparent); }

.section { padding: 125px 0; }
.section-dark { border-top: 1px solid rgba(226, 237, 246, 0.05); border-bottom: 1px solid rgba(226, 237, 246, 0.05); background: linear-gradient(180deg, rgba(255, 255, 255, 0.018), rgba(255, 255, 255, 0.006)); }
.section-heading { max-width: 760px; }
.section-heading h2, .partner-copy h2, .start-grid h2 { margin-top: 18px; font-family: var(--display); font-size: clamp(2.3rem, 4vw, 4.15rem); font-weight: 600; letter-spacing: -0.065em; line-height: 1; }
.section-heading > p, .section-heading-split > p { max-width: 550px; margin-top: 22px; color: var(--muted); font-size: 1rem; }
.section-heading-split { display: flex; align-items: end; justify-content: space-between; gap: 60px; max-width: none; }
.section-heading-split > div { max-width: 710px; }
.section-heading-split > p { margin-bottom: 2px; }

.system-flow { display: grid; grid-template-columns: 1fr 24px 1fr 24px 1fr 24px 1fr; gap: 10px; align-items: stretch; margin-top: 58px; }
.flow-card { position: relative; min-height: 325px; padding: 25px 23px 22px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255, 255, 255, 0.018); }
.flow-card::after { position: absolute; right: -50px; bottom: -70px; width: 180px; height: 180px; border: 1px solid rgba(143, 202, 255, 0.15); border-radius: 50%; content: ""; }
.flow-card.flow-model::after { border-color: rgba(184, 234, 121, 0.15); }
.flow-card.flow-safety::after { border-color: rgba(242, 182, 92, 0.18); }
.flow-number { color: var(--blue); font-family: var(--mono); font-size: 0.73rem; }
.flow-kicker { margin-top: 45px; color: var(--quiet); }
.flow-card h3 { max-width: 220px; margin-top: 11px; font-family: var(--display); font-size: 1.35rem; letter-spacing: -0.045em; line-height: 1.07; }
.flow-card > p:not(.flow-kicker) { margin-top: 15px; color: var(--muted); font-size: 0.87rem; line-height: 1.6; }
.flow-tags, .capability-meta, .partner-points { display: flex; flex-wrap: wrap; gap: 6px; }
.flow-tags { position: absolute; right: 22px; bottom: 21px; left: 22px; }
.flow-tags span, .capability-meta span { padding: 5px 7px; border: 1px solid var(--line); border-radius: 4px; color: var(--quiet); font-family: var(--mono); font-size: 0.52rem; letter-spacing: 0.08em; }
.flow-arrow { display: grid; place-items: center; color: var(--blue); font-size: 1.2rem; }

.system-callout, .browser-note, .hardware-boundaries { display: flex; align-items: center; gap: 16px; margin-top: 35px; padding: 17px 19px; border: 1px solid rgba(242, 182, 92, 0.24); border-radius: var(--radius-sm); background: rgba(242, 182, 92, 0.05); }
.callout-marker, .boundary-icon, .browser-note-mark { display: grid; flex: 0 0 auto; width: 27px; height: 27px; place-items: center; border: 1px solid rgba(242, 182, 92, 0.4); border-radius: 50%; color: var(--amber); font-family: var(--mono); font-size: 0.75rem; }
.system-callout > div:nth-child(2) { flex: 1; }
.system-callout strong, .browser-note strong, .hardware-boundaries strong { font-size: 0.82rem; }
.system-callout p, .browser-note p, .hardware-boundaries p { margin-top: 2px; color: var(--muted); font-size: 0.78rem; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--blue); font-size: 0.76rem; font-weight: 600; text-decoration: none; white-space: nowrap; }
.text-link:hover, .text-link:focus-visible { color: var(--text); }

.filter-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 40px; }
.filter-button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); cursor: pointer; font-family: var(--mono); font-size: 0.62rem; transition: color 160ms ease, border-color 160ms ease, background 160ms ease; }
.filter-button:hover, .filter-button:focus-visible, .filter-button.is-selected { border-color: rgba(143, 202, 255, 0.55); background: rgba(143, 202, 255, 0.08); color: var(--blue); }

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.capability-card { min-height: 290px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255, 255, 255, 0.02); transition: transform 160ms ease, border-color 160ms ease, background 160ms ease; }
.capability-card:hover { transform: translateY(-3px); border-color: rgba(143, 202, 255, 0.32); background: rgba(143, 202, 255, 0.035); }
.capability-card[data-hidden="true"] { display: none; }
.capability-topline { display: flex; align-items: center; justify-content: space-between; }
.card-index { color: var(--blue); font-family: var(--mono); font-size: 0.67rem; }
.card-status { color: var(--green); font-size: 0.55rem; }
.capability-card-development .card-status { color: var(--amber); }
.capability-card h3 { max-width: 230px; margin-top: 53px; font-family: var(--display); font-size: 1.36rem; letter-spacing: -0.045em; line-height: 1.08; }
.capability-card p { margin-top: 13px; color: var(--muted); font-size: 0.83rem; }
.capability-meta { align-items: end; margin-top: 22px; }

.explorer-shell { margin-top: 55px; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(143, 202, 255, 0.06), rgba(255, 255, 255, 0.015) 44%, rgba(184, 234, 121, 0.035)); overflow: hidden; }
.explorer-tabs { display: flex; align-items: stretch; border-bottom: 1px solid var(--line); background: rgba(0, 0, 0, 0.17); }
.explorer-tab { flex: 1; min-height: 59px; padding: 12px 15px; border: 0; border-right: 1px solid var(--line); background: transparent; color: var(--quiet); cursor: pointer; font-family: var(--mono); font-size: 0.69rem; text-align: left; transition: color 160ms ease, background 160ms ease; }
.explorer-tab:last-child { border-right: 0; }
.explorer-tab:hover, .explorer-tab:focus-visible, .explorer-tab.is-active { background: rgba(143, 202, 255, 0.08); color: var(--blue); }
.explorer-content { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; padding: 56px; }
.explorer-kicker { color: var(--blue); font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.1em; }
.explorer-copy h3 { max-width: 450px; margin-top: 19px; font-family: var(--display); font-size: 2.35rem; letter-spacing: -0.06em; line-height: 1.02; }
.explorer-copy > p:not(.explorer-kicker) { max-width: 460px; margin-top: 19px; color: var(--muted); font-size: 0.91rem; }
.explorer-metrics { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 35px; }
.explorer-metric { display: grid; gap: 2px; }
.explorer-metric strong { color: var(--green); font-family: var(--mono); font-size: 0.87rem; font-weight: 500; }
.explorer-metric span { color: var(--quiet); font-family: var(--mono); font-size: 0.56rem; text-transform: uppercase; }
.explorer-terminal { align-self: center; min-height: 280px; padding: 17px 18px; border: 1px solid rgba(143, 202, 255, 0.21); border-radius: 10px; background: #090b0d; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.26); }
.terminal-topline { padding-bottom: 14px; border-bottom: 1px solid var(--line); color: var(--quiet); font-family: var(--mono); font-size: 0.58rem; }
.terminal-topline > span:first-child { display: inline-flex; gap: 4px; }
.terminal-topline i { display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--red); }
.terminal-topline i:nth-child(2) { background: var(--amber); }
.terminal-topline i:nth-child(3) { background: var(--green); }
.explorer-terminal ul { display: grid; gap: 12px; padding: 24px 3px 20px; list-style: none; }
.explorer-terminal li { display: grid; grid-template-columns: 15px 1fr; gap: 7px; color: var(--muted); font-family: var(--mono); font-size: 0.69rem; }
.explorer-terminal li::before { color: var(--green); content: "✓"; }
.terminal-footer { padding-top: 13px; border-top: 1px solid var(--line); color: var(--quiet); font-family: var(--mono); font-size: 0.57rem; }
.terminal-caret { color: var(--blue); }

.companion-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 54px; }
.companion-card { min-height: 500px; padding: 28px; border: 1px solid rgba(143, 202, 255, 0.22); border-radius: var(--radius-lg); background: linear-gradient(140deg, rgba(143, 202, 255, 0.075), rgba(255, 255, 255, 0.018) 45%); }
.companion-android { border-color: rgba(184, 234, 121, 0.2); background: linear-gradient(140deg, rgba(184, 234, 121, 0.065), rgba(255, 255, 255, 0.018) 45%); }
.companion-head { display: grid; grid-template-columns: 54px 1fr auto; align-items: center; gap: 14px; }
.platform-mark { display: grid; width: 54px; height: 54px; place-items: center; border: 1px solid rgba(143, 202, 255, 0.35); border-radius: 14px; background: rgba(143, 202, 255, 0.12); color: var(--blue); font-family: var(--mono); font-size: 0.7rem; font-weight: 600; }
.platform-android { border-color: rgba(184, 234, 121, 0.35); background: rgba(184, 234, 121, 0.1); color: var(--green); }
.companion-head h3 { margin-top: 4px; font-family: var(--display); font-size: 1.45rem; letter-spacing: -0.05em; }
.version-pill { padding: 6px 8px; border: 1px solid rgba(143, 202, 255, 0.25); border-radius: 5px; color: var(--blue); font-family: var(--mono); font-size: 0.61rem; }
.version-pill-green { border-color: rgba(184, 234, 121, 0.28); color: var(--green); }
.companion-lede { max-width: 410px; margin-top: 34px; color: var(--muted); font-size: 1.02rem; }
.check-list { display: grid; gap: 14px; margin-top: 28px; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 22px; color: var(--muted); font-size: 0.84rem; }
.check-list li::before { position: absolute; top: 0.2em; left: 0; color: var(--green); content: "✓"; font-family: var(--mono); font-size: 0.78rem; }
.companion-actions { margin-top: 38px; }

.release-strip { margin-top: 14px; padding: 17px 19px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.018); }
.release-signal { display: flex; align-items: center; gap: 11px; }
.release-dot { background: var(--green); }
.release-signal div { display: grid; gap: 1px; }
.release-signal strong { font-size: 0.79rem; }
.release-signal span:not(.release-dot) { color: var(--quiet); font-family: var(--mono); font-size: 0.58rem; }
.browser-note { align-items: flex-start; margin-top: 14px; border-color: rgba(143, 202, 255, 0.2); background: rgba(143, 202, 255, 0.04); }
.browser-note-mark { border-color: rgba(143, 202, 255, 0.35); color: var(--blue); }
.browser-note a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }

.hardware-layout { display: grid; grid-template-columns: 0.86fr 1.14fr; gap: 15px; margin-top: 56px; }
.hardware-spec-card, .pinout-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.018); }
.hardware-spec-card { overflow: hidden; }
.board-label { padding: 17px 20px; border-bottom: 1px solid var(--line); color: var(--quiet); font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; }
.board-led { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px rgba(184, 234, 121, 0.65); }
.board-body { position: relative; min-height: 255px; margin: 22px; padding: 30px 48px; border: 1px solid rgba(143, 202, 255, 0.25); border-radius: 16px; background: linear-gradient(135deg, #16202a, #0e1318 60%, #172015); box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.35); }
.board-chip { display: grid; width: min(190px, 100%); min-height: 105px; margin: 0 auto; place-items: center; align-content: center; gap: 4px; border: 1px solid rgba(226, 237, 246, 0.24); border-radius: 8px; background: #0b0d10; box-shadow: 0 10px 22px rgba(0, 0, 0, 0.25); font-family: var(--mono); }
.board-chip span { color: var(--blue); font-size: 0.66rem; letter-spacing: 0.1em; }
.board-chip strong { font-size: 1.05rem; font-weight: 500; }
.board-chip small { color: var(--quiet); font-size: 0.54rem; }
.board-rail { position: absolute; top: 23px; display: grid; gap: 12px; }
.board-rail-left { left: 15px; }
.board-rail-right { right: 15px; }
.board-rail i { display: block; width: 13px; height: 4px; border: 1px solid rgba(184, 234, 121, 0.55); border-radius: 2px; background: rgba(184, 234, 121, 0.14); }
.board-caption { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 12px; margin-top: 26px; color: var(--quiet); font-family: var(--mono); font-size: 0.55rem; text-align: center; }
.board-details { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border-top: 1px solid var(--line); background: var(--line); }
.board-details > div { display: grid; gap: 4px; padding: 16px 20px; background: var(--surface); }
.board-details span { color: var(--quiet); font-size: 0.55rem; }
.board-details strong { font-size: 0.76rem; font-weight: 500; }

.pinout-card { padding: 24px 25px; }
.pinout-head { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.pinout-head h3 { margin-top: 5px; font-family: var(--display); font-size: 1.55rem; letter-spacing: -0.05em; }
.pin-list { display: grid; }
.pin-row { display: grid; grid-template-columns: 63px 1fr auto; align-items: center; gap: 13px; min-height: 73px; border-bottom: 1px solid var(--line); }
.pin-code { color: var(--green); font-family: var(--mono); font-size: 0.7rem; }
.pin-code-blue { color: var(--blue); }
.pin-row div { display: grid; gap: 2px; }
.pin-row strong { font-size: 0.8rem; font-weight: 500; }
.pin-row small { color: var(--quiet); font-size: 0.55rem; }
.copy-pin { padding: 6px 7px; border: 1px solid var(--line); border-radius: 4px; background: transparent; color: var(--quiet); cursor: pointer; font-family: var(--mono); font-size: 0.54rem; text-transform: uppercase; }
.copy-pin:hover, .copy-pin:focus-visible { border-color: rgba(143, 202, 255, 0.5); color: var(--blue); }
.pinout-card > .text-link { margin-top: 19px; }

.hardware-boundaries { display: grid; grid-template-columns: 1fr 1fr; align-items: start; margin-top: 15px; border-color: rgba(250, 128, 109, 0.22); background: rgba(250, 128, 109, 0.035); }
.hardware-boundaries > div { display: flex; align-items: center; gap: 11px; }
.boundary-icon { border-color: rgba(250, 128, 109, 0.36); color: var(--red); }
.hardware-boundaries p { margin-top: 0; }

.section-start { border-top: 1px solid var(--line); background: radial-gradient(circle at 12% 70%, rgba(184, 234, 121, 0.045), transparent 35%); }
.start-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 100px; align-items: start; }
.start-lede { max-width: 420px; margin-top: 22px; color: var(--muted); font-size: 0.98rem; }
.start-grid .button { margin-top: 30px; }
.start-list { display: grid; gap: 0; list-style: none; }
.start-list li { display: grid; grid-template-columns: 58px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.start-list li:first-child { padding-top: 0; }
.start-list li > span { color: var(--blue); font-family: var(--mono); font-size: 0.7rem; }
.start-list strong { font-family: var(--display); font-size: 1.15rem; letter-spacing: -0.04em; }
.start-list p { margin-top: 5px; color: var(--muted); font-size: 0.81rem; }

.partner-section { padding-top: 30px; }
.partner-panel { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; padding: 57px; border: 1px solid rgba(242, 182, 92, 0.27); border-radius: var(--radius-lg); background: radial-gradient(circle at 100% 0%, rgba(242, 182, 92, 0.13), transparent 48%), linear-gradient(140deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.012)); }
.partner-copy h2 { max-width: 650px; }
.partner-copy > p:not(.eyebrow) { max-width: 650px; margin-top: 23px; color: var(--muted); font-size: 0.98rem; }
.partner-points { margin-top: 26px; }
.partner-points span { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-family: var(--mono); font-size: 0.58rem; }
.partner-points i { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.partner-actions { display: grid; align-content: center; justify-items: start; gap: 12px; }
.partner-actions p { max-width: 310px; margin-top: 11px; color: var(--quiet); font-size: 0.67rem; }

.site-footer { padding: 73px 0 26px; border-top: 1px solid var(--line); background: #08090b; }
.footer-grid { display: grid; grid-template-columns: 1.7fr repeat(3, 1fr); gap: 44px; }
.footer-brand p { max-width: 300px; margin-top: 20px; color: var(--quiet); font-size: 0.78rem; }
.footer-column { display: grid; align-content: start; justify-items: start; gap: 10px; }
.footer-column h3 { margin-bottom: 5px; color: var(--blue); font-size: 0.58rem; }
.footer-column a { color: var(--muted); font-size: 0.77rem; text-decoration: none; }
.footer-column a:hover, .footer-column a:focus-visible { color: var(--text); }
.footer-bottom { gap: 20px; margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--quiet); font-family: var(--mono); font-size: 0.59rem; }
.footer-bottom a { color: var(--muted); text-decoration: none; }
.footer-bottom a:hover, .footer-bottom a:focus-visible { color: var(--blue); }

.toast { position: fixed; right: 22px; bottom: 22px; z-index: 30; max-width: min(330px, calc(100% - 44px)); padding: 11px 14px; border: 1px solid rgba(143, 202, 255, 0.3); border-radius: 7px; background: #151a20; box-shadow: var(--shadow); color: var(--text); font-family: var(--mono); font-size: 0.65rem; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity 180ms ease, transform 180ms ease; }
.toast.is-visible { opacity: 1; transform: translateY(0); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .hero-visual { max-width: 780px; }
  .system-flow { grid-template-columns: repeat(2, 1fr); }
  .flow-arrow { display: none; }
  .explorer-content { padding: 42px; }
  .start-grid { gap: 55px; }
}

@media (max-width: 820px) {
  .container { width: min(var(--max), calc(100% - 36px)); }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: calc(100% + 1px); right: 18px; left: 18px; display: grid; gap: 0; padding: 10px; border: 1px solid var(--line-strong); border-radius: 12px; background: rgba(15, 17, 20, 0.98); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(-7px); transition: opacity 160ms ease, transform 160ms ease; }
  .site-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav > a { padding: 13px 12px; border-bottom: 1px solid var(--line); }
  .site-nav > a:last-child { border-bottom: 0; }
  .site-nav .nav-github { margin-top: 5px; border: 0; }
  .section-heading-split, .partner-panel, .start-grid, .hardware-layout { grid-template-columns: 1fr; }
  .section-heading-split { display: grid; gap: 0; }
  .section-heading-split > p { margin-top: 21px; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .explorer-content { grid-template-columns: 1fr; gap: 36px; padding: 35px 28px; }
  .partner-panel { gap: 32px; padding: 38px 28px; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .hero { padding-top: 70px; }
  .hero h1 { font-size: clamp(3rem, 14vw, 4.4rem); }
  .hero-lede { font-size: 0.97rem; }
  .hero-stats { gap: 16px 22px; margin-top: 42px; }
  .hero-stat strong { font-size: 1.2rem; }
  .console-frame { transform: none; }
  .console-screen { padding: 16px 13px 13px; }
  .console-main-grid { grid-template-columns: 1fr; gap: 26px; }
  .console-model-row { align-items: flex-start; gap: 10px; }
  .console-link-state { max-width: 112px; text-align: right; }
  .channel-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .console-clock { width: 100%; margin-left: 0; }
  .signal-rail-inner { min-height: 76px; flex-wrap: wrap; gap: 7px 11px; padding: 14px 0; font-size: 0.53rem; }
  .signal-line { display: none; }
  .section { padding: 86px 0; }
  .section-heading h2, .partner-copy h2, .start-grid h2 { font-size: 2.55rem; }
  .system-flow, .capability-grid { grid-template-columns: 1fr; }
  .flow-card { min-height: 280px; }
  .system-callout, .release-strip, .browser-note, .hardware-boundaries { align-items: flex-start; }
  .system-callout, .release-strip, .hardware-boundaries { display: grid; }
  .system-callout .text-link, .release-strip .text-link { margin-left: 43px; }
  .explorer-tabs { display: grid; }
  .explorer-tab { min-height: 48px; border-right: 0; border-bottom: 1px solid var(--line); }
  .explorer-tab:last-child { border-bottom: 0; }
  .explorer-copy h3 { font-size: 2rem; }
  .companion-grid { grid-template-columns: 1fr; }
  .companion-card { min-height: auto; padding: 22px; }
  .companion-head { grid-template-columns: 48px 1fr; }
  .platform-mark { width: 48px; height: 48px; }
  .version-pill { grid-column: 2; justify-self: start; }
  .release-strip .release-signal { align-items: flex-start; }
  .pinout-card { padding: 20px 17px; }
  .pin-row { grid-template-columns: 50px 1fr auto; gap: 8px; }
  .pin-row strong { font-size: 0.72rem; }
  .board-body { padding: 27px 30px; }
  .hardware-boundaries { gap: 14px; }
  .hardware-boundaries p { margin-left: 0; }
  .start-grid { gap: 42px; }
  .start-list li { grid-template-columns: 42px 1fr; gap: 10px; }
  .partner-actions .button { width: 100%; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 34px 22px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* The hero dashboard mirrors the 480x320 firmware home screen. Keep these
   values tied to the renderer geometry so the site remains a useful reference. */
.tx-hero-visual { min-width: 0; }

.tx-preview-shell {
  padding: 10px;
  border: 1px solid rgba(143, 202, 255, 0.22);
  border-radius: 15px;
  background: linear-gradient(145deg, rgba(143, 202, 255, 0.08), rgba(255, 255, 255, 0.012) 48%, rgba(242, 182, 92, 0.06));
  box-shadow: var(--shadow), 0 0 70px rgba(75, 148, 255, 0.08);
}

.tx-preview-meta, .tx-preview-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tx-preview-meta {
  min-height: 28px;
  padding: 0 3px 7px;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
}

.tx-preview-meta > span:first-child, .tx-preview-caption { display: inline-flex; align-items: center; gap: 7px; }
.tx-meta-dot, .tx-preview-led { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #83B94B; box-shadow: 0 0 11px rgba(131, 185, 75, 0.8); }
.tx-meta-state { color: #4A92F7; }

.tx-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid #343538;
  border-radius: 5px;
  background: linear-gradient(180deg, #131416 0%, #101113 100%);
  color: #F2F3F4;
  container-type: inline-size;
  font-family: "Montserrat", "DM Sans", sans-serif;
  line-height: 1.08;
}

.tx-header {
  position: absolute;
  inset: 0 0 auto;
  height: 11.25%;
  border-bottom: 1px solid #1C1D1F;
  background: #050607;
  z-index: 2;
}

.tx-header-block {
  position: absolute;
  top: 15%;
  display: grid;
  gap: 2px;
  line-height: 1;
}

.tx-header-battery { left: 4.2%; }
.tx-header-model { left: 22.2%; }
.tx-header-block span, .tx-clock span {
  color: #F2F3F4;
  font-size: clamp(6px, 2.15cqw, 13px);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.tx-header-block strong, .tx-clock strong {
  color: #F2F3F4;
  font-size: clamp(7px, 2.75cqw, 16px);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.tx-header-icon, .tx-clock {
  position: absolute;
  border: 0;
  background: transparent;
  color: #F2F3F4;
  cursor: pointer;
}

.tx-header-icon {
  top: 0;
  left: 62.5%;
  width: 13%;
  height: 100%;
  padding: 0;
  font-size: clamp(12px, 4.15cqw, 25px);
  line-height: 1;
}

.tx-clock {
  top: 0;
  right: 1.7%;
  display: grid;
  width: 22.5%;
  height: 100%;
  align-content: center;
  justify-items: end;
  gap: 2px;
  padding: 0;
  text-align: right;
}

.tx-clock strong { font-size: clamp(7px, 2.7cqw, 16px); }
.tx-clock span { color: #A0A2A6; font-size: clamp(5px, 1.85cqw, 11px); font-weight: 500; }
.tx-header-icon:hover, .tx-header-icon:focus-visible, .tx-clock:hover, .tx-clock:focus-visible { color: #4A92F7; }

.tx-main-content {
  position: absolute;
  top: 11.875%;
  left: 0;
  right: 0;
  height: 73.125%;
}

.tx-card {
  position: absolute;
  overflow: hidden;
  border: 1px solid #343538;
  border-radius: 1.5cqw;
  background: #1C1D1F;
  color: #F2F3F4;
  cursor: pointer;
  font-family: "Montserrat", "DM Sans", sans-serif;
  text-align: left;
  transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.tx-card:hover, .tx-card:focus-visible, .tx-card.is-running {
  border-color: #4A92F7;
  background: #22282E;
  box-shadow: inset 0 0 0 1px rgba(74, 146, 247, 0.16);
}

.tx-card:focus-visible { outline: 1px solid #4A92F7; outline-offset: -3px; }
.tx-card-title { display: block; font-size: clamp(6px, 2.35cqw, 14px); font-weight: 700; letter-spacing: -0.025em; line-height: 1; }
.tx-metric-label { display: block; color: #A0A2A6; font-size: clamp(5px, 1.85cqw, 11px); font-weight: 500; }

.tx-model-card {
  top: 1.7%;
  left: 1.667%;
  width: 28.75%;
  height: 97.4%;
  padding: 0;
}

.tx-model-card .tx-card-title { position: absolute; top: 3.5%; left: 2.9%; }
.tx-model-card img { position: absolute; top: 13.6%; left: 3.6%; width: 92.8%; height: 36%; object-fit: contain; }
.tx-model-name { position: absolute; top: 52.8%; left: 2.9%; width: 94%; font-size: clamp(6px, 2.15cqw, 13px); font-weight: 700; letter-spacing: -0.03em; white-space: nowrap; }
.tx-model-description { position: absolute; top: 64%; left: 2.9%; color: #A0A2A6; font-size: clamp(5px, 1.65cqw, 10px); font-weight: 500; white-space: nowrap; }
.tx-inner-button { position: absolute; bottom: 5.7%; left: 2.9%; display: grid; width: 82.6%; height: 12.3%; place-items: center; border-radius: 1cqw; background: #505D73; color: #F2F3F4; font-size: clamp(5px, 1.8cqw, 11px); font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; }

.tx-instruments { position: absolute; top: 1.7%; left: 31.667%; width: 66.667%; height: 97.4%; }
.tx-battery-card, .tx-signal-card, .tx-transmit-card { top: 0; width: 23.75%; height: 52.2%; }
.tx-battery-card { left: 0; }
.tx-signal-card { left: 25.3%; }
.tx-transmit-card { left: 50.6%; }
.tx-timer-card { left: 75.94%; width: 24.06%; height: 25%; }
.tx-timer-one { top: 0; }
.tx-timer-two { top: 27.2%; }
.tx-channel-card { top: 54.4%; left: 0; width: 100%; height: 45.6%; padding: 0; }

.tx-battery-card .tx-card-title, .tx-signal-card .tx-card-title, .tx-transmit-card .tx-card-title, .tx-timer-card .tx-card-title { position: absolute; top: 8%; left: 10%; }
.tx-battery-card > .tx-metric-label:nth-child(2) { position: absolute; top: 27%; left: 10%; }
.tx-battery-card > .tx-battery-track:nth-child(3) { position: absolute; top: 43%; left: 10%; width: 78%; height: 15%; }
.tx-battery-card > .tx-metric-label:nth-child(4) { position: absolute; top: 63%; left: 10%; }
.tx-battery-card > .tx-battery-track:nth-child(5) { position: absolute; top: 79%; left: 10%; width: 78%; height: 15%; }
.tx-battery-track { display: block; border: 2px solid #A0A2A6; background: transparent; }
.tx-battery-track i { display: block; width: 100%; height: 100%; background: #83B94B; }
.tx-battery-track i.is-empty { width: 0; }
.tx-battery-track i.rx-fill { width: 50%; background: #83B94B; }

.tx-signal-card > strong { position: absolute; top: 29%; left: 10%; font-size: clamp(5px, 1.8cqw, 11px); font-weight: 700; white-space: nowrap; }
.tx-signal-card > small { position: absolute; top: 50%; left: 10%; color: #A0A2A6; font-size: clamp(5px, 1.7cqw, 10px); }
.tx-signal-bars { position: absolute; right: 10%; bottom: 9%; left: 10%; display: flex; height: 29%; align-items: end; gap: 5%; }
.tx-signal-bars i { display: block; width: 16%; background: #3A3B3E; }
.tx-signal-bars i:nth-child(1) { height: 28%; }
.tx-signal-bars i:nth-child(2) { height: 45%; }
.tx-signal-bars i:nth-child(3) { height: 62%; }
.tx-signal-bars i:nth-child(4) { height: 80%; }
.tx-signal-bars i:nth-child(5) { height: 100%; }
.tx-screen.is-linked .tx-signal-bars i.is-active { background: #83B94B; }
.tx-screen.is-linked .tx-signal-card > strong, .tx-screen.is-linked .tx-signal-card > small { color: #83B94B; }

.tx-transmit-card > .tx-metric-label:nth-child(2) { position: absolute; top: 27%; left: 10%; }
.tx-transmit-card > strong:nth-child(3) { position: absolute; top: 38%; left: 10%; font-size: clamp(6px, 2.1cqw, 13px); font-weight: 600; }
.tx-transmit-card > .tx-metric-label:nth-child(4) { position: absolute; top: 59%; left: 10%; }
.tx-transmit-card > strong:nth-child(5) { position: absolute; top: 70%; left: 10%; font-size: clamp(6px, 2.1cqw, 13px); font-weight: 600; }
.tx-telem { position: absolute; right: 10%; bottom: 8%; padding: 2px 6px; border-radius: 0.6cqw; background: #4A92F7; color: #F2F3F4; font-size: clamp(4px, 1.35cqw, 8px); font-weight: 700; }

.tx-timer-card { padding: 0; }
.tx-timer-card > strong { position: absolute; top: 38%; left: 10%; font-size: clamp(6px, 2.2cqw, 13px); font-weight: 600; letter-spacing: -0.02em; }
.tx-timer-card > small { position: absolute; top: 70%; left: 10%; color: #A0A2A6; font-size: clamp(5px, 1.55cqw, 9px); font-weight: 600; }
.tx-timer-card.is-running > small { color: #83B94B; }

.tx-channel-card .tx-card-title { position: absolute; top: 6%; left: 3.3%; }
.tx-channel-labels { position: absolute; top: 24%; right: 3.3%; left: 3.3%; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 4.5%; color: #F2F3F4; }
.tx-channel-labels i { min-width: 0; font-size: clamp(5px, 1.85cqw, 11px); font-style: normal; font-weight: 500; text-align: center; }
.tx-channel-bars { position: absolute; top: 37%; right: 3.3%; bottom: 7%; left: 3.3%; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 4.5%; }
.tx-channel-bar { display: flex; min-width: 0; align-items: end; background: #3A3B3E; }
.tx-channel-bar b { display: block; width: 100%; background: #F2F3F4; transition: none; }
.tx-channel-bar.is-blue b { background: #4A92F7; }
.tx-channel-bar:not(.is-blue) b { background: #A0A2A6; }
.tx-quick-bar { position: absolute; right: 1.667%; bottom: 1.875%; left: 1.667%; display: grid; height: 11.875%; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.08%; }
.tx-quick-bar button { min-width: 0; overflow: hidden; border: 1px solid #343538; border-radius: 1.5cqw; background: #1C1D1F; color: #F2F3F4; cursor: pointer; font-family: "Montserrat", "DM Sans", sans-serif; font-size: clamp(5px, 1.85cqw, 11px); font-weight: 700; letter-spacing: -0.035em; white-space: nowrap; }
.tx-quick-bar button span { color: #F2F3F4; font-size: 1.2em; }
.tx-quick-bar button:hover, .tx-quick-bar button:focus-visible { border-color: #4A92F7; background: #22282E; }
.tx-quick-bar button:focus-visible { outline: 1px solid #4A92F7; outline-offset: -3px; }

.tx-demo-toast { position: absolute; bottom: 15%; left: 50%; z-index: 5; max-width: 72%; padding: 6px 9px; border: 1px solid #4A92F7; border-radius: 1cqw; background: rgba(16, 17, 19, 0.94); color: #F2F3F4; font-size: clamp(5px, 1.6cqw, 10px); font-weight: 600; opacity: 0; pointer-events: none; transform: translate(-50%, 8px); transition: opacity 140ms ease, transform 140ms ease; white-space: nowrap; }
.tx-demo-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.tx-preview-controls { flex-wrap: wrap; margin-top: 12px; color: var(--quiet); font-family: var(--mono); font-size: 0.58rem; }
.tx-preview-caption code { color: var(--muted); }
.tx-preview-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.tx-control-btn { padding: 7px 9px; border: 1px solid var(--line); border-radius: 5px; background: rgba(255, 255, 255, 0.025); color: var(--muted); cursor: pointer; font-family: var(--mono); font-size: 0.56rem; text-transform: uppercase; }
.tx-control-btn:hover, .tx-control-btn:focus-visible { border-color: rgba(143, 202, 255, 0.65); color: var(--blue); }

@media (max-width: 600px) {
  .tx-preview-shell { padding: 6px; }
  .tx-preview-meta { min-height: 25px; padding-bottom: 5px; font-size: 0.5rem; }
  .tx-preview-meta .tx-meta-state { display: none; }
  .tx-preview-controls { align-items: flex-start; display: grid; gap: 10px; }
  .tx-preview-actions { width: 100%; }
  .tx-control-btn { flex: 1; }
}

/* Browser maintenance tools stay inside the same signed workflow as the
   desktop and Android companions. The controls intentionally read like a
   workbench, not a generic settings dashboard. */
.device-tool-shell { margin-top: 46px; padding: 30px; border: 1px solid rgba(143, 202, 255, 0.24); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(143, 202, 255, 0.075), rgba(255, 255, 255, 0.018) 52%, rgba(184, 234, 121, 0.035)); box-shadow: var(--shadow); }
.device-tool-heading { display: flex; align-items: start; justify-content: space-between; gap: 22px; }
.device-tool-heading h3 { max-width: 600px; margin-top: 8px; font-family: var(--display); font-size: clamp(1.7rem, 3.2vw, 2.65rem); letter-spacing: -0.06em; }
.device-tool-lede { max-width: 820px; margin-top: 17px; color: var(--muted); font-size: 0.88rem; line-height: 1.65; }
.device-support-pill { flex: 0 0 auto; padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--quiet); font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.05em; }
.device-support-pill[data-tone="good"] { border-color: rgba(184, 234, 121, 0.34); color: var(--green); }
.device-support-pill[data-tone="warn"] { border-color: rgba(242, 182, 92, 0.34); color: var(--amber); }
.device-tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 25px; }
.device-tool-card { min-height: 260px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(9, 11, 13, 0.42); }
.device-tool-card-topline { display: flex; align-items: center; justify-content: space-between; }
.device-tool-index { color: var(--quiet); font-family: var(--mono); font-size: 0.62rem; }
.device-tool-card h4 { margin-top: 12px; font-family: var(--display); font-size: 1.5rem; letter-spacing: -0.05em; }
.device-tool-card > p { max-width: 480px; margin-top: 10px; color: var(--muted); font-size: 0.78rem; line-height: 1.6; }
.device-tool-card > p.device-tool-subnote { margin-top: 13px; color: var(--quiet); font-size: 0.66rem; }
.device-tool-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 23px; }
.device-tool-actions .button { min-height: 39px; padding: 10px 13px; font-size: 0.59rem; }
.device-check-row { display: flex; align-items: flex-start; gap: 9px; margin-top: 18px; color: var(--muted); font-size: 0.7rem; line-height: 1.45; }
.device-check-row input { flex: 0 0 auto; margin-top: 2px; accent-color: var(--amber); }
.device-check-row span { display: grid; gap: 3px; }
.device-check-row strong { color: var(--text); font-weight: 500; }
.device-check-row small { color: var(--quiet); font-size: 0.61rem; }
.device-tool-status { display: flex; align-items: center; gap: 9px; margin-top: 14px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); font-family: var(--mono); font-size: 0.62rem; }
.device-tool-status[data-tone="good"] { border-color: rgba(184, 234, 121, 0.28); color: var(--green); }
.device-tool-status[data-tone="busy"] { border-color: rgba(143, 202, 255, 0.3); color: var(--blue); }
.device-tool-status[data-tone="error"] { border-color: rgba(250, 128, 109, 0.34); color: var(--red); }
.device-tool-status[data-tone="warn"] { border-color: rgba(242, 182, 92, 0.3); color: var(--amber); }
.device-status-led { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--quiet); box-shadow: 0 0 11px currentColor; }
.device-tool-status[data-tone="good"] .device-status-led { background: var(--green); }
.device-tool-status[data-tone="busy"] .device-status-led { background: var(--blue); }
.device-tool-status[data-tone="error"] .device-status-led { background: var(--red); }
.device-tool-status[data-tone="warn"] .device-status-led { background: var(--amber); }
.device-tool-log { max-height: 150px; overflow: auto; margin-top: 9px; padding: 13px; border: 1px solid rgba(255, 255, 255, 0.06); border-radius: 6px; background: #090b0d; color: var(--quiet); font-family: var(--mono); font-size: 0.59rem; line-height: 1.7; white-space: pre-wrap; }
.device-config-panel { margin-top: 16px; padding: 23px; border: 1px solid rgba(184, 234, 121, 0.25); border-radius: var(--radius); background: rgba(8, 10, 11, 0.62); }
.device-config-panel[hidden] { display: none; }
.device-config-heading { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.device-config-heading h4 { margin-top: 7px; font-family: var(--display); font-size: 1.5rem; letter-spacing: -0.05em; }
.device-close-button { margin-top: 1px; border: 0; background: transparent; cursor: pointer; }
.device-config-note { max-width: 860px; margin-top: 15px; padding: 11px 13px; border-left: 2px solid var(--amber); background: rgba(242, 182, 92, 0.06); color: var(--muted); font-size: 0.7rem; line-height: 1.55; }
.device-config-note strong { color: var(--amber); }
.device-config-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 20px; }
.device-config-group { min-width: 0; padding: 15px; border: 1px solid var(--line); border-radius: 7px; }
.device-config-group legend { padding: 0 7px; color: var(--blue); font-family: var(--mono); font-size: 0.59rem; text-transform: uppercase; }
.device-config-grid { display: grid; gap: 10px; }
.device-config-field { display: grid; gap: 5px; color: var(--muted); font-size: 0.64rem; }
.device-config-field input, .device-config-field select { width: 100%; min-height: 34px; padding: 7px 8px; border: 1px solid var(--line-strong); border-radius: 4px; background: #111417; color: var(--text); font: 0.66rem var(--mono); }
.device-config-field input:focus-visible, .device-config-field select:focus-visible { border-color: var(--blue); outline: 1px solid var(--blue); }
.device-config-actions { margin-top: 18px; }
.device-tool-card button:disabled, .device-config-panel button:disabled { cursor: not-allowed; opacity: 0.46; }

@media (max-width: 820px) {
  .device-tool-grid, .device-config-form { grid-template-columns: 1fr; }
  .device-tool-heading, .device-config-heading { display: grid; }
  .device-support-pill { justify-self: start; }
}

/* Install chooser and browser-alpha subpages. These keep the public entry point
   simple while giving each hardware action enough room for requirements and
   recovery detail. */
.install-choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 46px; }
.install-choice-card { min-height: 258px; padding: 25px; border: 1px solid rgba(143, 202, 255, 0.24); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(143, 202, 255, 0.08), rgba(255, 255, 255, 0.018)); box-shadow: var(--shadow); }
.install-choice-card.install-choice-browser { border-color: rgba(184, 234, 121, 0.28); background: linear-gradient(145deg, rgba(184, 234, 121, 0.08), rgba(255, 255, 255, 0.018)); }
.install-choice-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.install-choice-index { color: var(--quiet); font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.08em; }
.install-choice-card h3, .subpage-option-card h3 { max-width: 550px; margin-top: 15px; font-family: var(--display); font-size: clamp(1.55rem, 3vw, 2.45rem); letter-spacing: -0.06em; line-height: 1.05; }
.install-choice-card p, .subpage-option-card p { max-width: 540px; margin-top: 13px; color: var(--muted); font-size: 0.82rem; line-height: 1.65; }
.install-choice-card .button { margin-top: 25px; }
.subpage-main { min-height: calc(100vh - 76px); }
.subpage-hero { position: relative; padding: 82px 0 58px; }
.subpage-hero::before { position: absolute; top: -140px; right: -160px; width: 600px; height: 480px; border-radius: 50%; background: radial-gradient(circle, rgba(75, 148, 255, 0.13), transparent 68%); content: ""; pointer-events: none; }
.subpage-hero .container { position: relative; z-index: 1; }
.subpage-hero-compact { padding-bottom: 45px; }
.subpage-backlink { display: inline-flex; margin-bottom: 45px; color: var(--quiet); font-family: var(--mono); font-size: 0.65rem; text-decoration: none; }
.subpage-backlink:hover, .subpage-backlink:focus-visible { color: var(--blue); }
.subpage-hero h1 { max-width: 820px; margin-top: 17px; font-family: var(--display); font-size: clamp(3rem, 6.7vw, 6rem); font-weight: 600; letter-spacing: -0.075em; line-height: 0.98; }
.subpage-lede { max-width: 750px; margin-top: 25px; color: var(--muted); font-size: 1.04rem; line-height: 1.7; }
.requirement-grid, .detail-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 42px; }
.requirement-card, .detail-card { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.025); }
.requirement-card-warn, .detail-card-warn { border-color: rgba(242, 182, 92, 0.3); background: rgba(242, 182, 92, 0.045); }
.requirement-label { display: block; color: var(--blue); font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; }
.requirement-card-warn .requirement-label, .detail-card-warn .requirement-label { color: var(--amber); }
.requirement-card strong, .detail-card strong { display: block; margin-top: 9px; color: var(--text); font-family: var(--display); font-size: 0.92rem; letter-spacing: -0.03em; line-height: 1.2; }
.requirement-card p, .detail-card p { margin-top: 7px; color: var(--quiet); font-size: 0.68rem; line-height: 1.5; }
.subpage-section { padding-top: 62px; }
.subpage-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 42px; }
.subpage-option-card { min-height: 280px; padding: 25px; border: 1px solid rgba(143, 202, 255, 0.22); border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.025); }
.subpage-option-card-green { border-color: rgba(184, 234, 121, 0.25); }
.subpage-option-card .button { margin-top: 25px; }
.subpage-callout { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; margin-top: 16px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.018); }
.subpage-callout strong { font-family: var(--display); font-size: 0.87rem; }
.subpage-callout span { color: var(--muted); font-size: 0.75rem; }
.detail-grid { margin-top: 37px; }
.detail-card { min-height: 142px; }
.device-tool-shell + .cli-details { margin-top: 16px; }
.cli-details { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.018); }
.cli-details summary { padding: 17px 19px; color: var(--text); cursor: pointer; font-family: var(--mono); font-size: 0.67rem; letter-spacing: 0.06em; text-transform: uppercase; }
.cli-details summary:hover, .cli-details summary:focus-visible { color: var(--blue); }
.cli-content { padding: 0 19px 20px; }
.cli-content p { max-width: 850px; color: var(--muted); font-size: 0.76rem; line-height: 1.65; }
.cli-content p + pre, .cli-content pre + p { margin-top: 15px; }
.cli-content pre { overflow: auto; padding: 15px; border: 1px solid rgba(255, 255, 255, 0.07); border-radius: 6px; background: #090b0d; color: var(--blue); font-family: var(--mono); font-size: 0.65rem; line-height: 1.7; white-space: pre; }
.cli-content code { font-family: inherit; }
.cli-warning { padding: 11px 13px; border-left: 2px solid var(--amber); background: rgba(242, 182, 92, 0.055); }
.cli-warning strong { color: var(--amber); }
.site-nav .is-current { color: var(--text); }

@media (max-width: 820px) {
  .install-choice-grid, .subpage-options { grid-template-columns: 1fr; }
  .requirement-grid, .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subpage-callout { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 560px) {
  .subpage-hero { padding-top: 60px; }
  .subpage-backlink { margin-bottom: 34px; }
  .requirement-grid, .detail-grid { grid-template-columns: 1fr; }
  .install-choice-card, .subpage-option-card { padding: 20px; }
  .cli-content pre { font-size: 0.57rem; }
}

/* Reference hardware and support pages. */
.hardware-list-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 42px; }
.hardware-card { min-height: 295px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.025); }
.hardware-card-soft { border-color: rgba(143, 202, 255, 0.22); background: linear-gradient(145deg, rgba(143, 202, 255, 0.055), rgba(255, 255, 255, 0.018)); }
.hardware-card-topline { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.hardware-card h3 { max-width: 430px; margin-top: 14px; font-family: var(--display); font-size: 1.5rem; letter-spacing: -0.055em; line-height: 1.08; }
.hardware-card > p { max-width: 500px; margin-top: 12px; color: var(--muted); font-size: 0.78rem; line-height: 1.62; }
.hardware-spec-list { display: grid; gap: 6px; margin-top: 17px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--quiet); font-family: var(--mono); font-size: 0.62rem; list-style: none; }
.hardware-spec-list li { position: relative; padding-left: 14px; }
.hardware-spec-list li::before { position: absolute; top: 0.48em; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); content: ""; }
.hardware-map-section { border-top: 1px solid var(--line); background: radial-gradient(circle at 92% 10%, rgba(143, 202, 255, 0.06), transparent 35%); }
.hardware-table-wrap { overflow-x: auto; margin-top: 42px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.018); }
.hardware-table { width: 100%; min-width: 650px; border-collapse: collapse; text-align: left; }
.hardware-table th, .hardware-table td { padding: 15px 17px; border-bottom: 1px solid var(--line); vertical-align: top; }
.hardware-table th { color: var(--blue); font-family: var(--mono); font-size: 0.59rem; font-weight: 500; letter-spacing: 0.09em; text-transform: uppercase; }
.hardware-table td { color: var(--muted); font-size: 0.75rem; }
.hardware-table td:first-child { color: var(--text); font-family: var(--display); font-weight: 500; }
.hardware-table tr:last-child td { border-bottom: 0; }
.hardware-warning { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 17px; margin-top: 16px; padding: 16px 18px; border: 1px solid rgba(250, 128, 109, 0.27); border-radius: var(--radius); background: rgba(250, 128, 109, 0.045); }
.hardware-warning strong { color: var(--red); font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; }
.hardware-warning span { color: var(--muted); font-size: 0.72rem; line-height: 1.55; }
.donation-hero::before { background: radial-gradient(circle, rgba(242, 182, 92, 0.16), transparent 68%); }
.donation-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.support-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 42px; }
.support-card { min-height: 205px; padding: 21px; border: 1px solid rgba(242, 182, 92, 0.22); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(242, 182, 92, 0.065), rgba(255, 255, 255, 0.018)); }
.support-card-index { color: var(--amber); font-family: var(--mono); font-size: 0.65rem; }
.support-card h3 { margin-top: 34px; font-family: var(--display); font-size: 1.25rem; letter-spacing: -0.045em; }
.support-card p { margin-top: 10px; color: var(--muted); font-size: 0.73rem; line-height: 1.55; }
.donation-boundary { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 45px; margin-top: 15px; padding: 38px; border: 1px solid rgba(242, 182, 92, 0.25); border-radius: var(--radius-lg); background: radial-gradient(circle at 100% 0%, rgba(242, 182, 92, 0.1), transparent 50%), rgba(255, 255, 255, 0.02); }
.donation-boundary h2 { max-width: 420px; margin-top: 14px; font-family: var(--display); font-size: clamp(2rem, 4vw, 3.3rem); letter-spacing: -0.07em; line-height: 1; }
.donation-boundary > div:last-child { align-self: center; }
.donation-boundary > div:last-child > p { max-width: 620px; color: var(--muted); font-size: 0.85rem; line-height: 1.65; }
.donation-links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; }

@media (max-width: 900px) {
  .support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hardware-warning { grid-template-columns: auto 1fr; }
  .hardware-warning .text-link { grid-column: 2; }
  .donation-boundary { grid-template-columns: 1fr; gap: 25px; }
}

@media (max-width: 680px) {
  .hardware-list-grid { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .hardware-warning { grid-template-columns: 1fr; gap: 9px; }
  .hardware-warning .text-link { grid-column: auto; }
  .donation-boundary { padding: 27px 22px; }
}