/* ============================================================
   RELAY — house style, matches ONION.
   Red / white / blue. Light "regular" screens; authentic black
   terminal only where a trace/console appears. Big touch targets.
   ============================================================ */
:root{
  --paper:#F7F8FA; --ink:#12151C; --ink-soft:#4A5160;
  --blue:#10327A; --blue-bright:#1D4ED8; --red:#C4211B;
  --term:#0B0E14; --term-green:#4ADE80;
  --line:#DCE1E9; --card:#FFFFFF;

  --sans:"Space Grotesk", system-ui, sans-serif;
  --serif:"Newsreader", Georgia, serif;
  --mono:"IBM Plex Mono", ui-monospace, monospace;

  --tap:56px;
  --radius:16px;
  --shadow:0 1px 2px rgba(18,21,28,.04), 0 8px 30px rgba(18,21,28,.06);
  --ring:0 0 0 3px rgba(29,78,216,.45);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--serif); color:var(--ink); background:var(--paper);
  -webkit-font-smoothing:antialiased; line-height:1.5; min-height:100dvh;
}
h1,h2,h3,.ui{font-family:var(--sans);letter-spacing:-.01em}
.mono{font-family:var(--mono)}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}
button{font:inherit;cursor:pointer}
a{color:var(--blue-bright)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

.app{
  max-width:760px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;
  padding:max(env(safe-area-inset-top),12px) 16px calc(env(safe-area-inset-bottom) + 16px);
}

/* ================= TOP BAR ================= */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 2px 10px}
.brand{display:flex;align-items:center;gap:10px}
.brand .dot{width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--red),var(--blue));box-shadow:0 0 0 4px rgba(16,50,122,.10)}
.brand b{font-family:var(--sans);font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.brand small{color:var(--ink-soft);font-family:var(--sans);font-size:.72rem;font-weight:500}

.controls{display:flex;align-items:flex-end;gap:14px}
.lenswrap,.readwrap{display:flex;flex-direction:column;gap:4px}
.lenswrap{align-items:flex-end}
.readwrap{align-items:flex-start}
.ctl-lbl{font-family:var(--sans);font-size:.6rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.lens{display:inline-flex;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:3px;box-shadow:var(--shadow)}
.lens button{border:0;background:transparent;color:var(--ink-soft);font-family:var(--sans);font-weight:600;font-size:.78rem;
  padding:8px 12px;border-radius:999px;line-height:1;min-height:38px;transition:background .18s var(--ease),color .18s var(--ease)}
.lens button[aria-pressed="true"]{background:var(--blue);color:#fff}
.lens button.j[aria-pressed="true"]{background:var(--red)}
.lens button.c[aria-pressed="true"]{background:var(--blue-bright)}

.readbtn{display:inline-flex;align-items:center;gap:7px;background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:0 14px;min-height:44px;box-shadow:var(--shadow);
  font-family:var(--sans);font-weight:600;font-size:.8rem;color:var(--ink-soft);transition:color .2s,border-color .2s,background .2s}
.readbtn .ico{font-size:1rem}
.readbtn[aria-pressed="true"]{border-color:var(--blue-bright);color:var(--blue-bright);background:#eff4ff}
.readbtn.speaking{border-color:var(--red);color:var(--red);background:#fff5f5}
.readbtn.speaking .ico{animation:pulse 1s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.readbtn[hidden]{display:none}

/* ================= PROGRESS SPINE ================= */
.spine{display:flex;align-items:flex-start;gap:0;padding:12px 4px 16px}
.spine.hidden{display:none}
.hop{display:flex;align-items:flex-start;flex:1;min-width:0}
.hop .node{position:relative;width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  background:var(--card);border:2px solid var(--line);display:grid;place-items:center;
  font-family:var(--mono);font-size:.72rem;font-weight:500;color:var(--ink-soft);
  transition:border-color .3s var(--ease),background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease)}
.hop .node[role="button"]{cursor:pointer}
.hop .node span{position:relative;z-index:1}
.hop .wire{flex:1;height:3px;background:var(--line);position:relative;overflow:hidden;border-radius:2px;margin-top:15px}
.hop:last-child .wire{display:none}
.hop .wire::after{content:"";position:absolute;inset:0;width:0;background:var(--blue-bright);transition:width .5s var(--ease)}
.hop[data-state="done"] .node{border-color:var(--blue);background:var(--blue);color:#fff}
.hop[data-state="done"] .node::after{content:"✓";position:absolute;font-size:.8rem}
.hop[data-state="done"] .node span{opacity:0}
.hop[data-state="done"] .wire::after{width:100%}
.hop[data-state="current"] .node{border-color:var(--blue-bright);color:var(--blue-bright);transform:scale(1.12);box-shadow:0 0 0 5px rgba(29,78,216,.14)}
.hop[data-state="current"] .wire::after{width:45%;animation:crawl 1.4s var(--ease) infinite}
@keyframes crawl{0%{width:0;opacity:.4}60%{width:55%;opacity:1}100%{width:0;opacity:.4}}

/* ================= SCREENS ================= */
.screen{display:none;flex:1;flex-direction:column;animation:fade .35s var(--ease)}
.screen.active{display:flex}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.kicker{font-family:var(--sans);font-weight:600;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-bright);margin-bottom:6px}
.kicker .num{color:var(--red)}
h2.title{font-size:clamp(1.6rem,5.5vw,2.2rem);line-height:1.05;margin:.1em 0}
.tag{font-family:var(--mono);font-size:.8rem;color:var(--ink-soft);margin-bottom:16px}

/* welcome */
.welcome{justify-content:center;text-align:center;gap:8px}
.welcome .big{font-size:clamp(2rem,8vw,3rem);line-height:1;margin:.1em 0}
.welcome p{max-width:44ch;margin:6px auto 0;font-size:1.08rem;color:var(--ink-soft)}
.welcome .glyph{font-size:2.4rem;margin-bottom:2px}
.resume-banner{display:none;margin:14px auto 0;max-width:420px;width:100%;
  background:#eff4ff;border:1px solid #c7d7fe;border-radius:14px;padding:12px 14px;
  align-items:center;gap:12px;text-align:left}
.resume-banner.show{display:flex}
.resume-banner .t{flex:1;font-family:var(--sans);font-size:.9rem;font-weight:600;color:var(--blue)}
.resume-banner button{border:0;background:var(--blue);color:#fff;border-radius:999px;padding:0 16px;min-height:42px;font-family:var(--sans);font-weight:600;font-size:.85rem}

/* ================= VIDEO ================= */
.video-slot{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--radius);
  background:radial-gradient(120% 120% at 50% 0%, #fff, #eef1f6 70%);
  border:2px solid var(--blue);display:grid;place-items:center;overflow:hidden;box-shadow:var(--shadow);margin-bottom:10px}
.video-slot .play{width:64px;height:64px;border-radius:50%;background:var(--blue);display:grid;place-items:center;
  box-shadow:0 6px 20px rgba(16,50,122,.35);transition:transform .2s var(--ease)}
.video-slot .play::after{content:"";display:block;width:0;height:0;margin-left:5px;
  border-left:20px solid #fff;border-top:13px solid transparent;border-bottom:13px solid transparent}
.video-facade{position:absolute;inset:0;display:grid;place-items:center;border:0;background:transparent;padding:0;width:100%;cursor:pointer}
.video-facade:hover .play{transform:scale(1.06)}
/* real poster thumbnail (self-hosted Pexels/ElevenLabs clip) */
.video-slot.has-poster .video-facade{background-size:cover;background-position:center;background-repeat:no-repeat}
.video-slot.has-poster .video-facade::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.12),rgba(0,0,0,.42))}
.video-slot.has-poster .play{position:relative}
.video-slot.has-poster .vlabel{color:#fff;background:linear-gradient(to top,rgba(0,0,0,.78),rgba(0,0,0,0))}
.video-slot.has-poster .vsec{color:#fff;background:rgba(0,0,0,.4)}
.video-slot.has-poster .vcredit{color:#fff;background:rgba(0,0,0,.4)}
.video-slot .vlabel{position:absolute;left:0;right:0;bottom:0;padding:12px 14px;
  font-family:var(--sans);font-weight:600;font-size:.95rem;color:var(--ink);
  background:linear-gradient(to top, rgba(255,255,255,.96), rgba(255,255,255,0));text-align:left;pointer-events:none}
.video-slot .vcredit{position:absolute;top:10px;right:12px;font-family:var(--sans);font-size:.62rem;font-weight:600;color:var(--blue);
  background:rgba(29,78,216,.08);padding:4px 8px;border-radius:6px;pointer-events:none}
.video-slot .vsec{position:absolute;top:10px;left:12px;font-family:var(--mono);font-size:.62rem;color:var(--ink-soft);
  background:rgba(255,255,255,.75);padding:4px 8px;border-radius:6px;pointer-events:none}
.video-slot.playing{border-color:var(--line)}
.video-slot iframe,.video-slot video{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.video-slot.placeholder-only .vsec{display:none}

/* transcript / narration */
.transcript{border:1px solid var(--line);border-radius:12px;background:#fbfcfe;margin-bottom:16px;overflow:hidden}
.transcript summary{list-style:none;cursor:pointer;padding:12px 14px;min-height:48px;display:flex;align-items:center;gap:8px;
  font-family:var(--sans);font-weight:600;font-size:.85rem;color:var(--ink-soft)}
.transcript summary::-webkit-details-marker{display:none}
.transcript summary .chev{margin-left:auto;transition:transform .2s}
.transcript[open] summary .chev{transform:rotate(90deg)}
.transcript .tbody{padding:0 14px 14px}
.transcript .tbody li{margin:6px 0;font-size:1rem;color:var(--ink);list-style:none;padding-left:18px;position:relative}
.transcript .tbody li::before{content:"›";position:absolute;left:2px;color:var(--blue-bright);font-family:var(--sans);font-weight:700}
.transcript .tbody li.on{color:var(--blue-bright);font-weight:500}

/* caption */
.caption{font-size:clamp(1.05rem,3.6vw,1.28rem);line-height:1.4;margin:2px 0 18px;color:var(--ink)}

/* ================= TRY IT ================= */
.tryit{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:16px}
.tryit .head{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.tryit .head .pill{font-family:var(--sans);font-size:.62rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:#fff;background:var(--red);padding:4px 8px;border-radius:6px}
.tryit .prompt{font-family:var(--sans);font-weight:600;font-size:1rem}
.tryit .stage{min-height:120px;display:grid;place-items:center;position:relative}
.tryit .done-msg{font-family:var(--sans);font-weight:600;color:var(--blue);font-size:.95rem;display:flex;align-items:center;gap:8px;margin-top:4px}
.tryit .done-msg::before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;font-size:.8rem}

.reveal-stage{width:100%}
.reveal-btn{width:100%;min-height:120px;border:2px dashed var(--line);border-radius:12px;
  background:linear-gradient(180deg,#dbeafe,#bfdbfe);position:relative;overflow:hidden;display:grid;place-items:center;color:var(--blue);font-family:var(--sans);font-weight:600}
.reveal-btn .hiddenthing{opacity:0;transform:scale(.9);transition:opacity .5s var(--ease),transform .5s var(--ease);font-size:1.4rem;color:#fff;padding:0 12px;text-align:center}
.reveal-btn.on{background:linear-gradient(180deg,#0b1220,#10327a)}
.reveal-btn.on .tap-hint{opacity:0}
.reveal-btn.on .hiddenthing{opacity:1;transform:scale(1)}
.reveal-btn .tap-hint{position:absolute;transition:opacity .3s}
.cable-line{position:absolute;left:-10%;right:-10%;top:50%;height:6px;
  background:linear-gradient(90deg,transparent,#facc15,#fff,#facc15,transparent);
  transform:translateY(-50%) scaleX(0);transition:transform .6s var(--ease);border-radius:4px}
.reveal-btn.on .cable-line{transform:translateY(-50%) scaleX(1)}

.match-stage{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.match-col h4{font-family:var(--sans);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 8px;text-align:center}
.chip{display:block;width:100%;margin:0 0 8px;padding:12px;min-height:var(--tap);border:2px solid var(--line);border-radius:10px;
  background:var(--card);font-family:var(--mono);font-size:.9rem;color:var(--ink);text-align:center;transition:border-color .2s,background .2s,transform .1s}
.chip.name{font-family:var(--serif);font-weight:500}
.chip[aria-pressed="true"]{border-color:var(--blue-bright);background:#eff4ff}
.chip.matched{border-color:var(--blue);background:var(--blue);color:#fff;cursor:default}
.chip.wrong{animation:shake .3s}
@keyframes shake{0%,100%{transform:none}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}

.lock-stage{display:grid;place-items:center;gap:10px}
.lock-btn{width:96px;height:96px;border-radius:24px;border:2px solid var(--line);background:var(--card);display:grid;place-items:center;position:relative;transition:background .3s,border-color .3s,transform .15s}
.lock-btn .shackle{width:44px;height:34px;border:7px solid var(--ink-soft);border-bottom:0;border-radius:24px 24px 0 0;margin-bottom:-2px;
  transition:transform .35s var(--ease),border-color .3s;transform-origin:right bottom;transform:rotate(-32deg) translateX(-6px)}
.lock-btn .body{width:52px;height:40px;border-radius:8px;background:var(--ink-soft);transition:background .3s}
.lock-btn.locked{background:#eaf7ee;border-color:var(--term-green)}
.lock-btn.locked .shackle{transform:none;border-color:var(--blue)}
.lock-btn.locked .body{background:var(--blue)}
.lock-caption{font-family:var(--mono);font-size:.72rem;color:var(--ink-soft)}
.lock-btn.locked + .lock-caption{color:var(--blue)}

.trace-stage{width:100%}
.trace-term{background:var(--term);border-radius:12px;padding:14px;font-family:var(--mono);font-size:.78rem;color:#cbd5e1;min-height:150px}
.trace-term .ln{opacity:0;transform:translateY(4px);transition:opacity .3s,transform .3s;white-space:pre-wrap}
.trace-term .ln.show{opacity:1;transform:none}
.trace-term .ln .g{color:var(--term-green)}
.trace-term .ln .b{color:#60a5fa}
.trace-term .ln .d{color:#94a3b8}
.relay-hops{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px}
.relay-hops .r{width:30px;height:30px;border-radius:50%;background:#1e293b;color:#94a3b8;display:grid;place-items:center;font-size:.7rem;opacity:.3;transform:scale(.85);transition:opacity .3s,transform .3s,background .3s,color .3s}
.relay-hops .r.lit{opacity:1;transform:scale(1);background:var(--blue-bright);color:#fff}
.relay-hops .arrow{color:#475569;font-size:.9rem}
.trace-note{font-family:var(--sans);font-size:.78rem;color:var(--ink-soft);margin-top:10px;text-align:center}

/* ================= CIVIC STRIP ================= */
.civic-strip{display:none;margin-bottom:16px}
body[data-lens="civic"] .civic-strip{display:block}
.civic-strip details{background:#fbfcfe;border:1px solid var(--line);border-left:4px solid var(--blue-bright);border-radius:12px;overflow:hidden}
.civic-strip summary{list-style:none;cursor:pointer;padding:14px 16px;min-height:var(--tap);display:flex;align-items:center;gap:8px;
  font-family:var(--sans);font-weight:600;font-size:.9rem;color:var(--blue)}
.civic-strip summary::-webkit-details-marker{display:none}
.civic-strip summary .chev{margin-left:auto;transition:transform .2s}
.civic-strip details[open] summary .chev{transform:rotate(90deg)}
.civic-body{padding:0 16px 16px}
.civic-body .row{margin-top:12px}
.civic-body .row .h{font-family:var(--sans);font-weight:700;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;display:flex;align-items:center;gap:6px;margin-bottom:2px}
.civic-body .threat .h{color:var(--red)}
.civic-body .defend .h{color:var(--blue)}
.civic-body p{margin:0;font-size:.98rem;color:var(--ink)}

/* ================= NAV ================= */
.nav{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:8px}
.btn{border:0;border-radius:999px;min-height:var(--tap);padding:0 28px;font-family:var(--sans);font-weight:600;font-size:1.05rem;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .12s var(--ease),background .2s,box-shadow .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff;flex:1;box-shadow:0 4px 14px rgba(16,50,122,.28)}
.btn-primary:hover{background:var(--blue-bright)}
.btn-ghost{background:transparent;color:var(--ink-soft);padding:0 16px}
.btn-ghost:hover{color:var(--ink)}
.btn-red{background:var(--red);color:#fff}

/* ================= DONE ================= */
.done{justify-content:center;text-align:center;gap:6px}
.done .glyph{font-size:2.4rem}
.done .big{font-size:clamp(1.8rem,7vw,2.6rem);line-height:1.05;margin:.1em 0}
.done p{max-width:46ch;margin:6px auto 0;color:var(--ink-soft);font-size:1.08rem}
.recap{list-style:none;padding:0;margin:20px auto 0;max-width:420px;width:100%;display:grid;gap:8px}
.recap li{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-align:left}
.recap li .rn{width:30px;height:30px;flex:0 0 30px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-family:var(--mono);font-size:.75rem}
.recap li .rt{font-family:var(--sans);font-weight:600;font-size:.95rem}
.recap li .rg{margin-left:auto;color:var(--blue)}
.done .links{display:flex;flex-direction:column;gap:10px;margin:24px auto 0;width:100%;max-width:360px}

.entity{text-align:center;font-family:var(--sans);font-size:.66rem;color:var(--ink-soft);padding:18px 0 4px;letter-spacing:.02em}

/* ================= MOTION / A11Y ================= */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .hop[data-state="current"] .wire::after{width:45%}
}
@media (max-width:560px){
  .brand small{display:none}
  .controls{gap:10px}
  .btn-primary{padding:0 18px}
}
@media (max-width:420px){
  .readbtn span.txt{display:none}
  .readbtn{padding:0 12px}
}