:root {
    --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, "Cascadia Mono", "Segoe UI Mono", Consolas, "Liberation Mono", "DejaVu Sans Mono", monospace;

    --bg:        #04060b;
    --surface:   #0a0f18;
    --bg-soft:   #0a0d16;
    --panel:     rgba(10,15,24,0.55);
    --panel-brd: rgba(56,240,176,0.14);
    --ink:       #d7e2ef;
    --muted:     #7d8aa0;
    --faint:     #78859c;

    /* accents */
    /* --gain (0.4–1.6, default 1) dials green intensity live via the SIGNAL GAIN control */
    --gain:      1;
    /* saturation sloped so the full 0.4–1.6 range stays 72%–100% (no clamp); gain=1 => 86%/58% = #38f0b0 */
    --green:     hsl(159 calc(62.67% + 23.33% * var(--gain)) calc(40% + 18% * var(--gain)));
    --cyan:      #22d3ee;
    --amber:     #ffb454;
    --red:       #fb5e6d;
    --violet:    #7c8cff;
    --violet-b:  #7c3aed;

    --accent-grad: linear-gradient(115deg, var(--green) 0%, var(--cyan) 46%, var(--violet) 100%);
    --maxw: 1120px;
    --radius: 6px;
    --ease: cubic-bezier(.22,.61,.36,1);
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--mono);
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; }
  ::selection { background: rgba(56,240,176,.28); color: #eafff5; }

  /* ---------- background layers ---------- */
  #stars {
    position: fixed;
    inset: 0;
    z-index: -3;
    display: block;
    opacity: .5;
  }
  .aurora {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    opacity: .5;
    background:
      radial-gradient(60vw 60vw at 78% -10%, rgba(124,140,255,0.20), transparent 60%),
      radial-gradient(55vw 55vw at 12% 8%, rgba(34,211,238,0.14), transparent 60%),
      radial-gradient(70vw 50vw at 50% 108%, rgba(56,240,176,0.16), transparent 60%);
  }
  /* faint console scanline glass over the instrument backdrop */
  .glass {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: .5;
    background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(56,240,176,.018) 3px 4px);
  }
  /* fixed L-shaped corner reticle brackets — console glass frame */
  .reticle {
    position: fixed;
    z-index: 60;
    width: 22px; height: 22px;
    pointer-events: none;
    border-color: rgba(56,240,176,.5);
    border-style: solid;
    border-width: 0;
  }
  .reticle.tl { top: env(safe-area-inset-top, 0); left: env(safe-area-inset-left, 0); margin: 10px 0 0 10px; border-top-width: 2px; border-left-width: 2px; }
  .reticle.tr { top: env(safe-area-inset-top, 0); right: env(safe-area-inset-right, 0); margin: 10px 10px 0 0; border-top-width: 2px; border-right-width: 2px; }
  .reticle.bl { bottom: env(safe-area-inset-bottom, 0); left: env(safe-area-inset-left, 0); margin: 0 0 10px 10px; border-bottom-width: 2px; border-left-width: 2px; }
  .reticle.br { bottom: env(safe-area-inset-bottom, 0); right: env(safe-area-inset-right, 0); margin: 0 10px 10px 0; border-bottom-width: 2px; border-right-width: 2px; }

  /* ---------- layout ---------- */
  .wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
  section { position: relative; }

  /* ---------- nav / titlebar chrome ---------- */
  header.nav {
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(10,15,24,0.82);
    border-bottom: 1px solid rgba(56,240,176,0.14);
  }
  .nav-inner {
    display: flex; align-items: center; gap: 16px;
    height: 60px;
    font-family: var(--mono);
  }
  .tt-dots { display: flex; gap: 8px; flex: 0 0 auto; }
  .tt-dots i { width: 12px; height: 12px; border-radius: 50%; display: block; }
  .tt-dots .r { background: #fb5e6d; }
  .tt-dots .y { background: #ffb454; }
  .tt-dots .g { background: var(--green); }

  .brand {
    display: flex; align-items: center; gap: 6px;
    font-weight: 400; font-size: .9rem; letter-spacing: .02em; color: var(--ink);
    white-space: nowrap;
  }
  .brand .prompt { color: var(--green); }
  .brand b { font-weight: 600; color: #fff; }
  .brand .dim { color: var(--muted); }

  nav.links { display: flex; align-items: center; gap: 24px; margin-left: auto; }
  nav.links a.link {
    position: relative;
    color: var(--muted); font-size: .82rem; letter-spacing: .04em; font-weight: 400;
    transition: color .2s var(--ease);
  }
  nav.links a.link::before {
    content: "\25B8\00a0";
    color: var(--green);
    opacity: 0;
    transition: opacity .18s var(--ease);
  }
  nav.links a.link:hover { color: var(--green); }
  nav.links a.link:hover::before { opacity: 1; }

  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--mono);
    font-weight: 400; font-size: .82rem; letter-spacing: .03em;
    padding: 9px 15px; border-radius: 4px;
    border: 1px solid transparent; cursor: pointer;
    transition: transform .18s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .2s;
    white-space: nowrap;
  }
  .btn-primary {
    color: #04060b; font-weight: 600;
    background: var(--green);
    border-radius: 4px;
    box-shadow: 0 0 0 1px rgba(56,240,176,.4), 0 6px 22px rgba(56,240,176,.18);
  }
  .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px #38f0b0, 0 8px 28px rgba(56,240,176,.32); }
  .btn-ghost {
    color: var(--ink);
    background: rgba(56,240,176,.04);
    border: 1px solid rgba(56,240,176,.28);
  }
  .btn-ghost:hover { border-color: var(--green); color: var(--green); transform: translateY(-1px); }

  .led-status {
    display: flex; align-items: center; gap: 8px;
    font-size: .72rem; letter-spacing: .1em; color: var(--muted);
    flex: 0 0 auto;
  }
  .led-status .led {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--green); box-shadow: 0 0 8px var(--green);
    animation: blip 2.2s infinite;
  }
  @keyframes blip { 0%,100%{opacity:1} 50%{opacity:.35} }

  .nav-toggle {
    display: none; background: none; border: 0; cursor: pointer; padding: 8px;
  }
  .nav-toggle span { display:block; width: 22px; height: 2px; background: var(--green); margin: 5px 0; border-radius: 2px; transition: .25s; }

  /* ---------- hero ---------- */
  .hero { padding: clamp(58px, 10vw, 120px) 0 clamp(50px, 8vw, 96px); text-align: left; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 6px 13px; border-radius: 4px;
    background: rgba(56,240,176,.05); border: 1px solid rgba(56,240,176,.2);
    color: var(--muted); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
    margin-bottom: 26px;
  }
  .eyebrow .led { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: blip 2.2s infinite; }

  .hero .cmd {
    font-size: .9rem; color: var(--ink);
    margin: 0 0 20px; display: flex; align-items: center; flex-wrap: wrap;
    line-height: 1.5;
  }
  .hero .cmd .prompt { color: var(--green); margin-right: .7ch; }
  .hero .cmd .arg { color: var(--cyan); }
  .cursor {
    display: inline-block; width: .6ch; height: 1.05em; margin-left: 2px; vertical-align: -2px;
    background: var(--green);
    animation: blink 1.05s steps(2, jump-none) infinite;
  }
  @keyframes blink { 50% { opacity: 0; } }

  .hero h1 {
    font-size: clamp(2.4rem, 7vw, 4.6rem);
    line-height: 1.04; margin: 0 0 20px;
    font-weight: 600; letter-spacing: -0.01em;
  }
  .hero h1 .grad {
    background: var(--accent-grad);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .hero p.lede {
    max-width: 66ch; margin: 0 0 8px;
    font-size: 1rem; color: var(--muted);
  }

  .bootlog {
    font-family: var(--mono);
    font-size: .82rem; line-height: 1.9; color: var(--muted);
    margin: 26px 0 30px; white-space: pre-wrap;
    min-height: 7.6em;
    counter-reset: ln;
  }
  .bootlog .ln {
    display: block;
    padding-left: 3.4ch;
    position: relative;
  }
  .bootlog .ln::before {
    counter-increment: ln;
    content: counter(ln, decimal-leading-zero);
    position: absolute; left: 0;
    color: rgba(125,138,160,.5);
    font-variant-numeric: tabular-nums;
  }
  .bootlog .ok { color: var(--green); }
  .bootlog .warn { color: var(--amber); }
  .bootlog .str { color: var(--green); }

  .hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
  .hero .btn { padding: 12px 20px; font-size: .88rem; }

  .scroll-cue {
    margin-top: 54px; color: var(--muted); font-size: .76rem;
    letter-spacing: .1em;
  }

  /* ---------- section heading + comment stamps ---------- */
  .sec-head { max-width: 66ch; margin: 0 0 clamp(38px,5vw,58px); text-align: left; }
  .sec-head::before {
    content: "// " attr(data-idx) "  \2014  " attr(data-label);
    display: block;
    color: var(--green);
    font-size: .72rem; letter-spacing: .16em;
    margin-bottom: 14px; opacity: .85;
    font-variant-numeric: tabular-nums;
  }
  .sec-head .tag { color: var(--muted); font-weight: 400; letter-spacing: .12em; text-transform: uppercase; font-size: .72rem; }
  .sec-head h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin: 12px 0 12px; letter-spacing: -0.01em; font-weight: 600; }
  .sec-head p { color: var(--muted); margin: 0; font-size: .96rem; }

  .block { padding: clamp(60px, 8vw, 104px) 0; }

  /* ---------- missions / telemetry cards ---------- */
  .grid { display: grid; gap: 20px; }
  .grid.cards { grid-template-columns: repeat(3, 1fr); }
  .card {
    position: relative; overflow: hidden;
    background: var(--panel); border: 1px solid var(--panel-brd);
    border-radius: var(--radius); padding: 26px 24px;
    transition: transform .3s var(--ease), border-color .3s, background .3s;
  }
  .card::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    opacity: .5;
    background: repeating-linear-gradient(0deg, transparent 0 23px, rgba(56,240,176,.035) 23px 24px);
  }
  .card > * { position: relative; z-index: 1; }
  .card:hover { transform: translateY(-4px); border-color: rgba(56,240,176,.5); background: rgba(56,240,176,.05); }
  .card .phase {
    display: flex; align-items: center; gap: 8px;
    font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 400;
  }
  .led {
    width: 8px; height: 8px; flex: 0 0 8px; border-radius: 50%;
    background: var(--green); box-shadow: 0 0 8px currentColor; color: var(--green);
    animation: blip 2.2s infinite;
  }
  .led.nominal { background: var(--green); color: var(--green); }
  .led.build   { background: var(--amber); color: var(--amber); }
  .led.design  { background: var(--cyan);  color: var(--cyan); }
  .card h3 { font-size: 1.15rem; margin: 12px 0 10px; font-weight: 600; letter-spacing: -.01em; }
  .card p { color: var(--muted); margin: 0 0 16px; font-size: .9rem; }
  .card .pn {
    display: flex; justify-content: space-between; gap: 12px;
    font-size: .7rem; letter-spacing: .06em; color: var(--faint);
    text-transform: uppercase; margin-bottom: 14px;
  }
  .card .pn b { color: var(--muted); font-weight: 400; }
  .card .meta {
    display: flex; align-items: center; gap: 10px; font-size: .8rem;
    color: var(--green); font-variant-numeric: tabular-nums;
  }
  .card .meta .bar { flex: 1; height: 6px; border-radius: 2px; background: rgba(255,255,255,.06); overflow: hidden; }
  .card .meta .bar i { display: block; height: 100%; background: var(--green); border-radius: 2px; box-shadow: 0 0 8px rgba(56,240,176,.5); }

  /* ---------- technology ---------- */
  .features { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .feature {
    position: relative; overflow: hidden;
    display: flex; gap: 16px; padding: 22px;
    background: var(--panel); border: 1px solid var(--panel-brd); border-radius: var(--radius);
    transition: border-color .3s, transform .3s var(--ease), background .3s;
  }
  .feature:hover { border-color: rgba(34,211,238,.45); transform: translateY(-3px); background: rgba(34,211,238,.04); }
  .feature .ic {
    flex: 0 0 44px; width: 44px; height: 44px; border-radius: 4px;
    display: grid; place-items: center;
    font-family: var(--mono); font-size: .84rem; font-weight: 600; letter-spacing: .04em;
    color: var(--cyan);
    background: linear-gradient(135deg, rgba(56,240,176,.14), rgba(34,211,238,.12));
    border: 1px solid rgba(56,240,176,.2);
  }
  .feature h4 { margin: 2px 0 6px; font-size: 1rem; font-weight: 600; }
  .feature p { margin: 0; color: var(--muted); font-size: .88rem; }

  /* ---------- stats ---------- */
  .stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    padding: 0; border-radius: var(--radius);
    background: rgba(10,15,24,.55);
    border: 1px solid var(--panel-brd);
    overflow: hidden;
  }
  .stat {
    text-align: left;
    padding: 30px 24px;
    border-right: 1px solid rgba(56,240,176,.1);
  }
  .stat:last-child { border-right: 0; }
  .stat .num {
    font-size: clamp(1.7rem, 4.4vw, 2.5rem); font-weight: 600; letter-spacing: -0.01em;
    font-variant-numeric: tabular-nums;
    background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .stat .lbl {
    color: var(--muted); font-size: .72rem; margin-top: 8px;
    letter-spacing: .08em; text-transform: uppercase;
    position: relative;
    padding-top: 10px;
  }
  .stat .lbl::before {
    content: ""; position: absolute; top: 0; left: 0; width: 28px; height: 1px;
    background: rgba(56,240,176,.4);
  }

  /* ---------- waitlist ---------- */
  .cta-band { text-align: left; }
  .cta-panel {
    position: relative; overflow: hidden;
    max-width: 760px; margin: 0 auto;
    padding: clamp(32px, 5vw, 52px); border-radius: var(--radius);
    background: rgba(10,15,24,.6);
    border: 1px solid rgba(56,240,176,.28);
  }
  .cta-panel::before {
    content: "// 05  \2014  UPLINK REQUEST";
    display: block; color: var(--green);
    font-size: .72rem; letter-spacing: .16em; margin-bottom: 16px; opacity: .85;
  }
  .cta-panel::after {
    content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
    background: repeating-linear-gradient(0deg, transparent 0 23px, rgba(56,240,176,.03) 23px 24px);
  }
  .cta-panel > * { position: relative; z-index: 1; }
  .cta-panel h2 { font-size: clamp(1.6rem, 4.4vw, 2.4rem); margin: 0 0 12px; letter-spacing: -0.01em; font-weight: 600; }
  .cta-panel p { color: var(--muted); margin: 0 0 26px; max-width: 66ch; font-size: .95rem; }
  form.waitlist { display: flex; gap: 10px; max-width: 480px; }
  form.waitlist .field {
    flex: 1; min-width: 0; display: flex; align-items: center;
    background: rgba(4,6,11,.8); border: 1px solid var(--panel-brd);
    border-radius: 4px; padding: 0 14px;
    transition: border-color .25s, box-shadow .25s;
  }
  form.waitlist .field:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px rgba(56,240,176,.16); }
  form.waitlist .field .sig { color: var(--green); font-size: .95rem; margin-right: .6ch; flex: 0 0 auto; }
  form.waitlist input {
    flex: 1; min-width: 0;
    background: transparent; border: 0;
    color: var(--ink); padding: 13px 0; font-size: .95rem; font-family: var(--mono);
    outline: none;
  }
  form.waitlist input::placeholder { color: var(--faint); }
  .form-note {
    margin-top: 16px; font-size: .82rem; color: var(--muted); min-height: 1.2em;
    font-variant-numeric: tabular-nums;
  }
  .form-note::before { content: "→ "; color: var(--muted); }
  .form-note.ok { color: var(--green); }
  .form-note.ok::before { content: "200 OK — "; color: var(--green); }
  .form-note.err { color: var(--red); }
  .form-note.err::before { content: "400 BAD_REQUEST — "; color: var(--red); }

  /* ---------- footer / title-block ---------- */
  footer.site {
    border-top: 1px solid rgba(56,240,176,.14);
    padding: 0; margin-top: 40px;
  }
  .titleblock {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid rgba(56,240,176,.1);
  }
  .tb-cell {
    padding: 18px 20px;
    border-right: 1px solid rgba(56,240,176,.1);
  }
  .tb-cell:last-child { border-right: 0; }
  .tb-cell .k { color: var(--green); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; }
  .tb-cell .v { color: var(--ink); font-size: .84rem; margin-top: 6px; letter-spacing: .02em; }
  .tb-cell .v.led-row { display: flex; align-items: center; gap: 8px; }

  .foot-inner {
    display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
    padding: 28px 0 40px;
  }
  .foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
  .foot-links a { color: var(--muted); font-size: .82rem; letter-spacing: .03em; transition: color .2s; }
  .foot-links a::before { content: "["; color: var(--faint); margin-right: 4px; }
  .foot-links a::after  { content: "]"; color: var(--faint); margin-left: 4px; }
  .foot-links a:hover { color: var(--green); }
  footer.site .copy { color: var(--faint); font-size: .78rem; letter-spacing: .04em; }

  /* ---------- T-minus countdown ---------- */
  .tminus {
    display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap;
    margin: 4px 0 10px; padding: 11px 15px;
    border: 1px solid rgba(56,240,176,.22); border-radius: var(--radius);
    background: rgba(10,15,24,.5);
    font-size: .78rem; letter-spacing: .08em;
  }
  .tminus .tm-led { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: blip 2.2s infinite; }
  .tminus .tm-lbl { color: var(--muted); text-transform: uppercase; }
  .tminus .tm-clock { color: var(--green); font-variant-numeric: tabular-nums; font-size: 1rem; letter-spacing: .12em; }
  .tminus .tm-go { color: #04060b; background: var(--green); font-weight: 600; padding: 2px 8px; border-radius: 3px; font-size: .68rem; letter-spacing: .14em; }

  /* ---------- API code block ---------- */
  .codecard {
    margin-top: 26px; border: 1px solid var(--panel-brd); border-radius: var(--radius);
    overflow: hidden; background: rgba(4,6,11,.72);
  }
  .cc-bar {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px; border-bottom: 1px solid rgba(56,240,176,.12);
    background: rgba(10,15,24,.7);
  }
  .cc-dots { display: flex; gap: 7px; flex: 0 0 auto; }
  .cc-dots i { width: 10px; height: 10px; border-radius: 50%; display: block; }
  .cc-dots .r { background: var(--red); }
  .cc-dots .y { background: var(--amber); }
  .cc-dots .g { background: var(--green); }
  .cc-title { color: var(--muted); font-size: .74rem; letter-spacing: .05em; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .cc-copy {
    font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase;
    color: var(--muted); background: rgba(56,240,176,.05); border: 1px solid rgba(56,240,176,.22);
    border-radius: 4px; padding: 5px 10px; cursor: pointer; flex: 0 0 auto;
    transition: color .2s, border-color .2s, background .2s;
  }
  .cc-copy:hover { color: var(--green); border-color: var(--green); }
  .cc-copy.copied { color: var(--green); border-color: var(--green); background: rgba(56,240,176,.12); }
  .cc-code {
    margin: 0; padding: 18px; overflow-x: auto;
    font-family: var(--mono); font-size: .82rem; line-height: 1.75; color: var(--ink);
    white-space: pre; tab-size: 2;
  }
  .cc-code .prompt  { color: var(--green); }
  .cc-code .tok-cmd { color: var(--green); font-weight: 600; }
  .cc-code .tok-flag{ color: var(--muted); }
  .cc-code .tok-url { color: var(--cyan); }
  .cc-code .tok-str { color: var(--green); }
  .cc-code .tok-key { color: var(--cyan); }
  .cc-code .tok-num { color: var(--amber); }
  .cc-code .tok-bool{ color: var(--violet); }
  .cc-code .tok-punct { color: var(--muted); }
  .cc-code .tok-cmt { color: var(--faint); }

  /* ---------- signal gain control ---------- */
  .gainbox {
    position: fixed; z-index: 61; left: 16px; bottom: 16px;
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px; border-radius: var(--radius);
    background: rgba(10,15,24,.86); border: 1px solid rgba(56,240,176,.22);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    font-size: .66rem; letter-spacing: .1em; color: var(--muted);
    box-shadow: 0 8px 30px rgba(0,0,0,.4);
  }
  .gainbox .gb-k { text-transform: uppercase; flex: 0 0 auto; }
  .gainbox .gb-btn {
    width: 22px; height: 22px; border-radius: 4px; cursor: pointer; flex: 0 0 auto;
    background: rgba(56,240,176,.06); border: 1px solid rgba(56,240,176,.28);
    color: var(--green); font-family: var(--mono); font-size: .9rem; line-height: 1;
    display: grid; place-items: center; transition: background .2s, border-color .2s;
  }
  .gainbox .gb-btn:hover { background: rgba(56,240,176,.16); border-color: var(--green); }
  .gainbox .gb-range {
    -webkit-appearance: none; appearance: none;
    width: 92px; height: 4px; border-radius: 2px; cursor: pointer;
    background: linear-gradient(90deg, rgba(56,240,176,.25), var(--green));
    outline: none;
  }
  .gainbox .gb-range::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--green); border: 2px solid #04060b; box-shadow: 0 0 8px var(--green); cursor: pointer;
  }
  .gainbox .gb-range::-moz-range-thumb {
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--green); border: 2px solid #04060b; box-shadow: 0 0 8px var(--green); cursor: pointer;
  }
  .gainbox .gb-range:focus-visible { box-shadow: 0 0 0 3px rgba(56,240,176,.25); }
  .gainbox .gb-val { color: var(--green); font-variant-numeric: tabular-nums; min-width: 3.8ch; flex: 0 0 auto; }
  @media (max-width: 640px) { .gainbox { display: none; } }

  /* ---------- reveal animation ---------- */
  .reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
  .reveal.in { opacity: 1; transform: none; }

  /* ---------- responsive ---------- */
  @media (max-width: 860px) {
    .grid.cards { grid-template-columns: 1fr; }
    .features { grid-template-columns: 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid rgba(56,240,176,.1); }
    .titleblock { grid-template-columns: repeat(2, 1fr); }
    .tb-cell:nth-child(2) { border-right: 0; }
    .tb-cell:nth-child(1), .tb-cell:nth-child(2) { border-bottom: 1px solid rgba(56,240,176,.1); }
    .led-status { display: none; }
    .brand .dim.sub { display: none; }
    nav.links {
      position: fixed; inset: 60px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; margin-left: 0;
      background: rgba(8,10,17,.98); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(56,240,176,.14);
      padding: 10px 24px 22px; transform: translateY(-130%); transition: transform .32s var(--ease);
    }
    nav.links.open { transform: none; }
    nav.links a.link { padding: 14px 0; border-bottom: 1px solid rgba(56,240,176,.06); }
    nav.links .btn { margin-top: 14px; justify-content: center; }
    .nav-toggle { display: block; margin-left: auto; }
    form.waitlist { flex-direction: column; }
    form.waitlist .btn { justify-content: center; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto !important; }
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
    .reveal { opacity: 1; transform: none; }
    .cursor { opacity: 1; }
  }