/* ============================================================
     MISSION BRIEFS — shared chassis (radar / pipeline-pulse / events)
     same world as the journey: void indigo · starlight gold · instrument blue
     ============================================================ */
  :root{
    --void:#05070D; --deep:#0A0F1E; --nebula:#131B33;
    --starlight:#E9EEF8; --dim:#A6B1CA;
    --faintline:rgba(127,180,255,.10);
    --instrument:#7FB4FF; --beacon:#F2C476; --beacon-soft:rgba(242,196,118,.14);
    --panel:rgba(28,38,70,.58); --panel-line:rgba(133,184,255,.30);
    
  }
  *{box-sizing:border-box;margin:0}
  html{scroll-behavior:smooth}
  html,body{overflow-x:hidden;overflow-x:clip}
  ::selection{background:rgba(242,196,118,.32);color:#F8ECD2}
  body{
    font-family:"Space Grotesk",-apple-system,sans-serif;
    background:linear-gradient(180deg, var(--void) 0%, var(--deep) 40%, var(--void) 100%);
    color:var(--starlight);-webkit-font-smoothing:antialiased;
  }
  .mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
  a{color:inherit;text-decoration:none}

  .sky{position:fixed;inset:0;pointer-events:none;z-index:0}
  .sky .nebulae{position:absolute;inset:0;background:
    radial-gradient(1000px 640px at 80% -8%, var(--nebula) 0%, transparent 60%),
    radial-gradient(860px 620px at -10% 55%, #10182E 0%, transparent 58%)}
  .star{position:absolute;width:2px;height:2px;border-radius:50%;background:var(--starlight);opacity:.35}

  .topbar{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;justify-content:space-between;
    align-items:center;padding:18px 28px;font-size:10px;letter-spacing:.2em;color:var(--dim);
    background:linear-gradient(180deg,rgba(5,7,13,.9),rgba(5,7,13,0))}
  .topbar .back{color:var(--beacon);letter-spacing:.24em;transition:opacity .25s}
  .topbar .back:hover{opacity:.75}

  main{position:relative;z-index:1;max-width:980px;margin:0 auto;padding:0 max(24px,5vw)}

  /* hero — the radar world from the journey card lives here too, half off the
     page edge; ties the brief back to the front page */
  .hero{padding:22vh 0 9vh;position:relative;--dim:#B3BDD4;--starlight:#F2F5FC} /* contrast picks 2026-07-11: hero text one step brighter */
  .hero-radar{position:absolute;right:max(-160px,-16vw);top:2vh;width:min(430px,46vw);aspect-ratio:1;
    opacity:.45;pointer-events:none;z-index:-1}
  .hero-radar .ring{position:absolute;border-radius:50%;border:1px solid rgba(127,180,255,.25)}
  .hero-radar .r1{inset:0}.hero-radar .r2{inset:17%}.hero-radar .r3{inset:34%;border-color:rgba(127,180,255,.16)}
  .hero-radar .cross-h{position:absolute;left:0;right:0;top:50%;height:1px;background:rgba(127,180,255,.12)}
  .hero-radar .cross-v{position:absolute;top:0;bottom:0;left:50%;width:1px;background:rgba(127,180,255,.12)}
  .hero-radar .sweep{position:absolute;inset:0;border-radius:50%;
    background:conic-gradient(from 0deg, rgba(127,180,255,.28) 0deg, rgba(127,180,255,.05) 55deg, transparent 70deg);
    animation:sweepspin 9s linear infinite}
  @keyframes sweepspin{to{transform:rotate(360deg)}}
  .hero-radar .blip{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--beacon);box-shadow:0 0 10px rgba(242,196,118,.8)}
  .hero-radar .b1{left:64%;top:30%}.hero-radar .b2{left:36%;top:58%;opacity:.75}.hero-radar .b3{left:70%;top:66%;opacity:.5}
  .hero-radar .core{position:absolute;left:50%;top:50%;width:5px;height:5px;border-radius:50%;background:var(--instrument);transform:translate(-50%,-50%);box-shadow:0 0 12px rgba(127,180,255,.9)}
  @media(prefers-reduced-motion:reduce){.hero-radar .sweep{animation:none}}
  @media(max-width:760px){.hero-radar{opacity:.28;top:0}}
  .eyebrow{font-size:11px;letter-spacing:.34em;color:var(--beacon);display:flex;align-items:center;gap:14px;font-weight:500}
  .eyebrow::before{content:"";width:34px;height:1px;background:var(--beacon);opacity:.6}
  h1{margin-top:22px;font-size:clamp(44px,7vw,84px);line-height:1;letter-spacing:-.025em;font-weight:600;
    display:flex;align-items:center;gap:clamp(16px,2.4vw,26px)}
  .h1-mark{width:clamp(46px,6.4vw,72px);height:auto;flex:none} /* the product's own mark, from the app */
  .dek{margin-top:22px;max-width:640px;font-size:clamp(16px,1.8vw,19px);line-height:1.7;color:var(--dim)}
  .dek b{color:var(--starlight);font-weight:500}
  /* spec strip — the product leads (capacity, focus, what it replaces) */
  .outcomes{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:6vh 0 0}
  .outcome{border:1px solid var(--panel-line);background:linear-gradient(160deg,rgba(28,38,70,.62),rgba(15,22,42,.42));
    border-radius:14px;padding:22px 20px;position:relative;overflow:hidden}
  .outcome::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,transparent,var(--world) 50%,transparent);opacity:.55}
  .outcome .n{font-size:clamp(26px,3vw,34px);font-weight:600;letter-spacing:-.02em}
  .outcome .d{margin-top:6px;font-size:12px;color:var(--dim);line-height:1.55}
  .tag{display:inline-block;font-size:8.5px;letter-spacing:.2em;color:var(--beacon);border:1px solid rgba(242,196,118,.3);
    border-radius:5px;padding:3px 7px;margin-left:8px;vertical-align:2px}

  /* sections */
  section{padding:9vh 0;position:relative}
  .sec-mark{font-size:10.5px;letter-spacing:.3em;color:var(--beacon);display:flex;align-items:center;gap:14px;font-weight:500}
  .sec-mark::before{content:"";width:34px;height:1px;background:var(--beacon);opacity:.6}
  h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.02em;font-weight:600;margin-top:18px}
  .prose{margin-top:18px;max-width:660px;color:var(--dim);font-size:16px;line-height:1.8}
  .prose b{color:var(--starlight);font-weight:500}
  .prose + .prose{margin-top:14px}

  /* decision cards — the "why", not just the "what" */
  .calls{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:30px}
  .call{border:1px solid var(--panel-line);background:var(--panel);border-radius:14px;padding:20px}
  .call .q{font-size:10px;letter-spacing:.24em;color:var(--dim)}
  .call .a{margin-top:10px;font-size:14.5px;line-height:1.65;color:var(--starlight)}
  .call .a b{color:var(--beacon);font-weight:500}

  /* ============ instrument frames — real captures from the working demo ============
     dark chrome bar with mono telemetry label · full-bleed capture · caption row.
     gold viewfinder ticks on two corners; restraint over decoration. */
  .shot{margin-top:30px;border:1px solid var(--panel-line);border-radius:16px;overflow:hidden;
    background:rgba(19,27,51,.70);transition:border-color .3s}
  .shot:hover{border-color:rgba(127,180,255,.32)}
  .shot .s-bar{display:flex;justify-content:space-between;align-items:center;gap:8px 18px;flex-wrap:wrap;
    padding:11px 16px;font-size:9.5px;letter-spacing:.22em;
    background:linear-gradient(180deg,rgba(26,36,66,.94),rgba(14,20,40,.82));
    border-bottom:1px solid var(--panel-line)}
  .shot .s-bar .l{color:var(--beacon);font-weight:500}
  .shot .s-bar .r{color:var(--dim)}
  .shot .s-view{position:relative;background:#0A0F1E}
  .shot .s-view::before,.shot .s-view::after{content:"";position:absolute;width:15px;height:15px;
    z-index:2;pointer-events:none;opacity:.55}
  .shot .s-view::before{top:10px;left:10px;border-top:1px solid var(--beacon);border-left:1px solid var(--beacon)}
  .shot .s-view::after{bottom:10px;right:10px;border-bottom:1px solid var(--beacon);border-right:1px solid var(--beacon)}
  .shot img,.shot video{display:block;width:100%;height:auto}
  .shot .s-cap{padding:13px 16px;font-size:12.5px;line-height:1.65;color:var(--dim);
    border-top:1px solid var(--panel-line)}
  .shot .s-cap b{color:var(--starlight);font-weight:500}
  .shot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:14px;margin-top:14px}
  .shot-grid .shot{margin-top:0}

  /* lightbox — inspect a capture at full size (brief.js builds the element) */
  .shot .s-view{cursor:zoom-in}
  .shot .s-view.sv-video{cursor:default}
  .lb{position:fixed;inset:0;z-index:80;display:flex;flex-direction:column;
    background:rgba(5,7,13,.95);backdrop-filter:blur(6px)}
  .lb[hidden]{display:none}
  .lb-bar{display:flex;align-items:center;gap:10px 18px;flex-wrap:wrap;padding:13px 20px;
    font-size:10px;letter-spacing:.22em;border-bottom:1px solid var(--panel-line)}
  .lb-bar .lb-l{color:var(--beacon);font-weight:500}
  .lb-bar .lb-r{color:var(--dim);margin-right:auto}
  .lb-x{background:none;border:1px solid rgba(242,196,118,.45);color:var(--beacon);border-radius:8px;
    padding:8px 14px;font-size:10px;letter-spacing:.22em;cursor:pointer;transition:background .25s}
  .lb-x:hover{background:var(--beacon-soft)}
  .lb-view{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto;padding:20px}
  .lb-view img{max-width:min(1500px,95vw);max-height:100%;border:1px solid var(--panel-line);
    border-radius:8px;cursor:zoom-in;box-shadow:0 30px 80px rgba(0,0,0,.55)}
  .lb.zoom .lb-view{display:block;padding:0}
  .lb.zoom .lb-view img{max-width:none;max-height:none;border:none;border-radius:0;cursor:zoom-out;margin:0 auto;display:block}
  .lb-hint{padding:10px 20px;text-align:center;font-size:9px;letter-spacing:.24em;color:var(--dim);
    border-top:1px solid var(--panel-line)}

  /* architecture schematics — cartographic SVG on a quiet panel */
  .schematic{margin-top:30px;border:1px solid var(--panel-line);border-radius:16px;
    background:rgba(19,27,51,.55);padding:26px 22px 16px}
  .schematic svg{display:block;width:100%;height:auto}
  .schematic .s-legend{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px 26px;
    font-size:9.5px;letter-spacing:.2em;color:var(--dim)}
  .schematic .s-legend b{color:var(--beacon);font-weight:500}
  @media(max-width:700px){.schematic{overflow-x:auto}.schematic svg{min-width:680px}}

  /* code moments — one short real snippet per brief */
  .code{margin-top:30px;border:1px solid var(--panel-line);border-radius:16px;overflow:hidden;
    background:rgba(7,10,20,.78)}
  .code .c-bar{display:flex;justify-content:space-between;align-items:center;gap:8px 18px;flex-wrap:wrap;
    padding:11px 16px;font-size:9.5px;letter-spacing:.22em;border-bottom:1px solid var(--panel-line);
    background:linear-gradient(180deg,rgba(26,36,66,.94),rgba(14,20,40,.82))}
  .code .c-bar .l{color:var(--beacon);font-weight:500}
  .code .c-bar .r{color:var(--dim)}
  .code pre{margin:0;padding:18px 20px;overflow-x:auto;font-size:12px;line-height:1.75;color:#C7D3EA}
  .code .cm{color:#5E6B87}
  .code .ck{color:var(--beacon)}
  .code .cs{color:#9FC6FF}
  .code .c-note{padding:12px 16px;border-top:1px solid var(--panel-line);
    font-size:12.5px;line-height:1.6;color:var(--dim)}
  .code .c-note b{color:var(--starlight);font-weight:500}

  /* placeholder frames (diagram / captures) — honest scaffolding for the draft */
  .frame{margin-top:30px;border:1px dashed rgba(133,184,255,.36);border-radius:16px;background:rgba(19,27,51,.55);
    min-height:300px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;text-align:center;padding:30px}
  .frame .f-t{font-size:11px;letter-spacing:.26em;color:var(--instrument)}
  .frame .f-d{font-size:12.5px;color:var(--dim);max-width:440px;line-height:1.6}
  .gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:30px}
  .gallery .frame{margin-top:0;min-height:190px}

  /* connections */
  .connects{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .ctile{position:relative;width:52px;height:52px;display:flex;align-items:center;justify-content:center;
    border:1px solid rgba(133,184,255,.28);background:rgba(19,27,51,.68);border-radius:11px;color:var(--dim)}
  .ctile i{position:absolute;inset:12px;background:currentColor;
    -webkit-mask:var(--m) center/contain no-repeat;mask:var(--m) center/contain no-repeat}
  .ctile svg{width:24px;height:24px;fill:currentColor}
  .ctile img{width:26px;height:26px;object-fit:contain;pointer-events:none}
  .ctile:hover{color:var(--starlight);border-color:rgba(242,196,118,.4)}
  .ctile::after{content:attr(data-name);position:absolute;bottom:calc(100% + 9px);left:50%;
    transform:translateX(-50%) translateY(3px);font-family:"IBM Plex Mono",ui-monospace,monospace;
    font-size:9.5px;letter-spacing:.14em;color:var(--beacon);background:rgba(6,9,18,.96);
    border:1px solid var(--panel-line);border-radius:6px;padding:5px 9px;white-space:nowrap;
    opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:5}
  .ctile:hover::after{opacity:1;transform:translateX(-50%) translateY(0)}
  .connects-note{margin-top:14px;font-size:13px;color:var(--dim);line-height:1.65;max-width:560px}
  .sep-card{margin-top:22px;border:1px solid var(--panel-line);background:var(--panel);border-radius:14px;padding:20px;max-width:660px}
  .sep-card .q{font-size:10px;letter-spacing:.24em;color:var(--dim)}
  .sep-card .a{margin-top:10px;font-size:14.5px;line-height:1.65;color:var(--starlight)}
  .sep-opts{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
  .sep-opt{font-size:11px;letter-spacing:.14em;color:var(--starlight);border:1px solid rgba(127,180,255,.2);
    background:rgba(19,27,51,.68);border-radius:999px;padding:7px 14px}
  .sep-opt.on{border-color:rgba(242,196,118,.5);color:var(--beacon)}

  /* demo gate */
  .gate{margin:4vh 0 0;border:1px solid rgba(242,196,118,.3);border-radius:18px;padding:40px;text-align:center;
    background:radial-gradient(600px 300px at 50% 0%, rgba(242,196,118,.06), transparent 70%)}
  .gate h3{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.015em;font-weight:600}
  .gate p{margin:14px auto 0;max-width:520px;color:var(--dim);font-size:14.5px;line-height:1.7}
  .btn{display:inline-block;margin-top:26px;font-size:11px;letter-spacing:.26em;color:var(--beacon);font-weight:500;
    border:1px solid rgba(242,196,118,.45);border-radius:10px;padding:14px 26px;transition:background .25s}
  .btn:hover{background:var(--beacon-soft)}

  /* footer nav */
  footer{position:relative;z-index:1;border-top:1px solid var(--panel-line);margin-top:10vh;padding:34px max(24px,5vw);
    display:flex;justify-content:space-between;align-items:center;font-size:10px;letter-spacing:.2em;color:var(--dim)}
  footer a{color:var(--beacon);letter-spacing:.24em;transition:opacity .25s}
  footer a:hover{opacity:.75}

  /* --- the mission's world: Mars, in two quiet appearances ---
     a night sphere hanging off the left page edge mid-brief, and the limb
     closing the page — arrival. Words carry the page; these are accents. */
  .world-sphere{position:absolute;left:calc(50% - 50vw - min(200px,20vw));top:-6vh;
    width:min(560px,58vw);aspect-ratio:1;pointer-events:none;z-index:-1;opacity:.55}
  .world-sphere img{width:100%;height:100%;display:block}
  .world-limb{position:relative;z-index:0;margin:1vh calc(50% - 50vw) -1px;pointer-events:none}
  .world-limb img{display:block;width:100%;opacity:.85}

  .rv{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
  .rv.on{opacity:1;transform:none}
  @media(prefers-reduced-motion:reduce){.rv{transition:none;opacity:1;transform:none}}