/* ============================================================================
   AION — Brand System v.IV  (sealed 2026-06-08)
   Palette + type tokens, iPhone device frame, cinematic stage,
   and the three app screens (Home · Briefing · Listen).
   Authored for the AION Powerhouse split-screen video / Claude Code handoff.
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500;1,9..144,600&family=Cormorant+Garamond:ital,wght@1,400;1,500&family=IBM+Plex+Mono:wght@400;500;600&family=Inter:wght@300;400;500;600&display=swap');

:root{
  /* ── Palette — three colors, plus working tints ── */
  --obsidian:#0A0A0C;
  --ink:#16161A;
  --ink-2:#101014;
  --aurum:#C8A35C;
  --aurum-hi:#E4C989;
  --aurum-lo:#8A6E36;
  --alabaster:#F4EFE6;
  --fog:#7A7670;
  --fog-dim:#56534E;
  --graphite:#2A2A2E;
  --graphite-soft:#202024;
  --violet:#9B7BD4;          /* category tag only (matches live app) */

  /* ── Type ── */
  --f-cinzel:"Cinzel",serif;
  --f-fraunces:"Fraunces",serif;
  --f-cormorant:"Cormorant Garamond",serif;
  --f-mono:"IBM Plex Mono",monospace;
  --f-inter:"Inter",sans-serif;
}

*{box-sizing:border-box;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
html,body{margin:0;height:100%;background:#000;overflow:hidden;}

/* ============================================================================
   STAGE — fixed 1920×1080, scaled to fit viewport, letterboxed on black.
   ============================================================================ */
#viewport{position:fixed;inset:0;background:#000;display:grid;place-items:center;overflow:hidden;}
#stage{
  position:relative;width:1920px;height:1080px;flex:none;
  transform-origin:center center;
  background:
    radial-gradient(120% 90% at 30% 42%, #141117 0%, #0c0b0e 38%, var(--obsidian) 72%);
  color:var(--alabaster);font-family:var(--f-inter);overflow:hidden;
}
/* ambient aurum bloom behind the device */
#ambient{
  position:absolute;left:33%;top:50%;width:1100px;height:1100px;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle, rgba(200,163,92,.16) 0%, rgba(200,163,92,.06) 32%, rgba(200,163,92,0) 64%);
  filter:blur(8px);pointer-events:none;will-change:transform,opacity;
}
#vignette{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(130% 120% at 50% 46%, transparent 52%, rgba(0,0,0,.55) 100%);}
#grain{position:absolute;inset:0;pointer-events:none;opacity:.04;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* ============================================================================
   EDITORIAL CHYRON  (right side — the YouTube video layer)
   ============================================================================ */
#chyron{position:absolute;right:120px;top:50%;transform:translateY(-50%);
  width:560px;text-align:left;}
#chyron .rule{width:64px;height:2px;background:var(--aurum);margin-bottom:34px;transform-origin:left;}
#chyron .eyebrow{font-family:var(--f-cinzel);font-weight:500;letter-spacing:.42em;
  font-size:19px;color:var(--aurum);margin-bottom:30px;}
#chyron .phrase{font-family:var(--f-fraunces);font-weight:400;font-size:62px;line-height:1.12;
  color:var(--alabaster);letter-spacing:-.01em;text-wrap:pretty;}
#chyron .phrase em{font-style:italic;color:var(--aurum);}
#chyron .meta{margin-top:40px;font-family:var(--f-mono);font-size:18px;letter-spacing:.22em;
  color:var(--fog);}
.chy-layer{position:absolute;inset:0;}

/* ============================================================================
   iPHONE FRAME  (Pro silhouette · 430×932 logical viewport @ scale)
   ============================================================================ */
#phone-zone{position:absolute;left:33%;top:50%;transform:translate(-50%,-50%);will-change:transform;}
.device{
  --w:430px;--h:932px;
  position:relative;width:var(--w);height:var(--h);
  border-radius:62px;
  background:linear-gradient(145deg,#3a3a3f 0%,#202024 26%,#0b0b0d 50%,#1c1c20 74%,#3a3a3f 100%);
  padding:5px;
  box-shadow:
    0 2px 2px rgba(255,255,255,.10) inset,
    0 -2px 2px rgba(0,0,0,.6) inset,
    0 60px 120px -30px rgba(0,0,0,.85),
    0 30px 60px -20px rgba(0,0,0,.7);
}
.device .bezel{position:absolute;inset:5px;border-radius:58px;
  background:#000;box-shadow:0 0 0 2px #050506 inset;}
.device .screen{position:absolute;inset:9px;border-radius:52px;overflow:hidden;
  background:var(--obsidian);}
/* dynamic island */
.device .island{position:absolute;top:16px;left:50%;transform:translateX(-50%);
  width:118px;height:34px;background:#000;border-radius:20px;z-index:60;}
/* screenglare */
.device .glare{position:absolute;inset:0;border-radius:52px;pointer-events:none;z-index:55;
  background:linear-gradient(135deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,0) 22%);}

/* ── screen scroll viewport ── */
.screens{position:absolute;inset:0;}
.screen-app{position:absolute;inset:0;opacity:0;will-change:transform,opacity;}
.screen-inner{position:absolute;left:0;top:0;width:100%;will-change:transform;}

/* iOS status bar */
.statusbar{position:absolute;top:0;left:0;right:0;height:56px;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 38px 0;font-family:var(--f-inter);font-weight:500;font-size:18px;color:var(--alabaster);}
.statusbar .dots{display:flex;gap:6px;}
.statusbar .dots i{width:9px;height:9px;border-radius:50%;background:var(--alabaster);display:block;}

/* ============================================================================
   SHARED app primitives
   ============================================================================ */
.wordmark{font-family:var(--f-cinzel);font-weight:400;color:var(--alabaster);line-height:1;}
.wordmark .i{color:var(--aurum);}
.powerhouse{font-family:var(--f-cinzel);font-weight:500;color:var(--aurum);}
.eyebrow-mono{font-family:var(--f-mono);font-weight:500;color:var(--fog);}
.app-pad{padding:0 30px;}

/* buttons */
.btn{font-family:var(--f-inter);font-weight:600;letter-spacing:.18em;font-size:15px;
  border-radius:15px;padding:21px 24px;text-align:center;cursor:default;border:1.5px solid transparent;}
.btn-fill{background:var(--aurum);color:var(--obsidian);
  box-shadow:0 0 0 rgba(200,163,92,0);}
.btn-fill.glow{box-shadow:0 8px 40px -6px rgba(200,163,92,.55);}
.btn-outline{background:transparent;color:var(--aurum);border-color:var(--aurum-lo);}

/* ====================  HOME  ==================== */
.home{background:
  radial-gradient(120% 60% at 50% 86%, rgba(200,163,92,.05), transparent 60%),
  var(--obsidian);}
.home .inner-pad{padding:52px 34px 34px;display:flex;flex-direction:column;align-items:center;height:100%;}
.home .wordmark{font-size:74px;letter-spacing:.04em;}
.home .powerhouse{font-size:24px;letter-spacing:.5em;margin-top:16px;padding-left:.5em;}
.home .tagline{font-family:var(--f-fraunces);font-style:italic;font-weight:400;font-size:38px;
  line-height:1.3;color:var(--alabaster);text-align:center;margin-top:44px;}
.home .tagline em{font-style:italic;color:var(--aurum);}
.edition-card{margin-top:36px;width:100%;background:var(--ink);border:1px solid var(--graphite);
  border-radius:22px;padding:28px 30px 26px;text-align:center;}
.edition-card .lbl{font-family:var(--f-mono);font-size:15px;letter-spacing:.34em;color:var(--fog);}
.edition-card .num{font-family:var(--f-fraunces);font-weight:400;font-size:84px;line-height:1;color:var(--aurum);margin:10px 0 6px;}
.edition-card .sub{font-family:var(--f-mono);font-size:17px;letter-spacing:.16em;color:var(--aurum);}
.edition-card .divider{height:1px;background:var(--graphite);margin:22px 4px 20px;}
.edition-card .stats{display:grid;grid-template-columns:1fr 1px 1fr 1px 1fr;align-items:center;}
.edition-card .stats .sep{height:54px;background:var(--graphite);}
.edition-card .stat .v{font-family:var(--f-fraunces);font-weight:400;font-size:46px;line-height:1;color:var(--alabaster);}
.edition-card .stat .k{font-family:var(--f-mono);font-size:13px;letter-spacing:.16em;color:var(--fog);margin-top:10px;line-height:1.35;}
.home .actions{width:100%;margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.home .footer{margin-top:auto;padding-top:16px;text-align:center;font-family:var(--f-mono);color:var(--fog-dim);}
.home .footer .l1{font-size:16px;letter-spacing:.3em;color:var(--fog);}
.home .footer .l2{font-size:13px;letter-spacing:.22em;margin-top:8px;}

/* ====================  BRIEFING  ==================== */
.brief{background:var(--obsidian);}
.brief .topbar{padding:64px 30px 18px;font-family:var(--f-mono);font-size:15px;letter-spacing:.12em;color:var(--fog);}
.brief .topbar b{color:var(--aurum);font-weight:600;}
.audio-card{margin:6px 30px 0;border:1px solid var(--graphite);border-radius:18px;padding:22px 22px 22px;
  position:relative;overflow:hidden;
  background:radial-gradient(120% 120% at 50% -10%, rgba(200,163,92,.10), transparent 55%), var(--ink-2);}
.audio-card .row{display:flex;align-items:center;gap:18px;}
.audio-card .hp{width:64px;height:64px;border-radius:50%;border:1px solid var(--graphite);
  display:grid;place-items:center;color:var(--alabaster);flex:none;background:rgba(255,255,255,.02);}
.audio-card .t1{font-family:var(--f-fraunces);font-weight:500;font-size:27px;color:var(--alabaster);line-height:1;}
.audio-card .t2{font-family:var(--f-mono);font-size:14px;letter-spacing:.12em;color:var(--fog);margin-top:9px;}
.audio-card .gear{margin-left:auto;width:48px;height:48px;border-radius:50%;border:1px solid var(--graphite);
  display:grid;place-items:center;color:var(--fog);flex:none;}
.audio-card .listen-btn{margin-top:20px;width:100%;border:1.5px solid var(--aurum-lo);border-radius:13px;
  padding:19px;text-align:center;font-family:var(--f-mono);font-weight:600;font-size:17px;letter-spacing:.14em;color:var(--aurum);
  background:rgba(200,163,92,.04);}
.brief .seg-divider{height:1px;background:var(--graphite-soft);margin:34px 0 0;}
.brief .body-wrap{padding:30px 30px 0;}
.brief .datedot{font-family:var(--f-mono);font-size:15px;letter-spacing:.14em;color:var(--fog);display:flex;align-items:center;gap:12px;}
.brief .datedot i{width:9px;height:9px;border-radius:50%;background:var(--aurum);display:block;}
.brief h1{font-family:var(--f-fraunces);font-weight:600;font-size:46px;line-height:1.12;color:var(--alabaster);
  letter-spacing:-.015em;margin:22px 0 0;text-wrap:pretty;}
.brief .lede{font-family:var(--f-inter);font-weight:300;font-size:23px;line-height:1.52;color:#C9C5BE;margin-top:24px;}
.brief .statboxes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;}
.brief .sbox{border:1px solid var(--graphite);border-radius:13px;padding:18px 10px;text-align:center;}
.brief .sbox.active{border-color:var(--aurum-lo);background:rgba(200,163,92,.05);}
.brief .sbox .v{font-family:var(--f-fraunces);font-weight:400;font-size:34px;line-height:1;color:var(--alabaster);}
.brief .sbox.active .v{color:var(--aurum);}
.brief .sbox .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--fog);margin-top:9px;}
.brief .chips{display:flex;gap:12px;margin-top:34px;overflow:hidden;}
.chip{flex:none;border:1px solid var(--graphite);border-radius:999px;padding:13px 20px;
  font-family:var(--f-mono);font-size:15px;letter-spacing:.1em;color:var(--fog);white-space:nowrap;}
.chip b{color:var(--alabaster);font-weight:500;}
.chip.active{border-color:var(--aurum-lo);background:rgba(200,163,92,.06);color:var(--aurum);}
.chip.active b{color:var(--aurum);}
.brief .signals-lbl{font-family:var(--f-mono);font-size:15px;letter-spacing:.2em;color:var(--fog-dim);margin-top:30px;}
.signal-card{margin-top:18px;border:1px solid var(--graphite);border-radius:16px;padding:24px 22px;background:var(--ink-2);}
.signal-card .top{display:flex;align-items:center;gap:14px;}
.signal-card .s{font-family:var(--f-mono);font-size:15px;color:var(--fog);}
.tag{font-family:var(--f-mono);font-size:13px;letter-spacing:.12em;padding:6px 12px;border-radius:7px;
  color:var(--violet);border:1px solid rgba(155,123,212,.4);background:rgba(155,123,212,.08);}
.signal-card .spark{flex:1;height:1px;background:linear-gradient(90deg,var(--aurum-lo),var(--aurum));opacity:.5;}
.signal-card .score{font-family:var(--f-mono);font-weight:600;font-size:19px;color:var(--aurum);}
.signal-card h2{font-family:var(--f-fraunces);font-weight:500;font-size:30px;line-height:1.18;color:var(--alabaster);margin:18px 0 16px;}
.signal-card .via{font-family:var(--f-mono);font-size:13.5px;letter-spacing:.08em;color:var(--aurum-lo);line-height:1.5;}

/* tab bar */
.tabbar{position:absolute;left:0;right:0;bottom:0;height:120px;z-index:45;
  background:linear-gradient(180deg, rgba(10,10,12,0) 0%, var(--obsidian) 36%);
  display:flex;align-items:flex-start;justify-content:space-around;padding:26px 18px 0;}
.tab{display:flex;flex-direction:column;align-items:center;gap:9px;color:var(--fog-dim);}
.tab svg{width:30px;height:30px;}
.tab span{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;}
.tab.active{color:var(--aurum);}
.tab .dot{width:5px;height:5px;border-radius:50%;background:var(--aurum);margin-top:2px;opacity:0;}
.tab.active .dot{opacity:1;}

/* ====================  LISTEN  ==================== */
.listen{background:
  radial-gradient(110% 50% at 50% 78%, rgba(200,163,92,.06), transparent 62%),
  var(--obsidian);}
.listen .inner-pad{padding:50px 32px 30px;display:flex;flex-direction:column;align-items:center;height:100%;}
.listen .wordmark{font-size:52px;letter-spacing:.04em;}
.listen .powerhouse{font-size:18px;letter-spacing:.5em;margin-top:10px;padding-left:.5em;}
.listen .nowlistening{font-family:var(--f-mono);font-size:14px;letter-spacing:.16em;color:var(--fog);margin-top:28px;text-align:center;white-space:nowrap;}
.listen .nptitle{font-family:var(--f-fraunces);font-weight:500;font-size:30px;line-height:1.2;color:var(--alabaster);
  text-align:center;margin-top:16px;text-wrap:balance;}
.signal-pill{margin-top:18px;border:1px solid var(--aurum-lo);border-radius:999px;padding:9px 24px;
  font-family:var(--f-cinzel);font-weight:500;font-size:16px;letter-spacing:.18em;color:var(--aurum);
  background:rgba(200,163,92,.05);}
.listen .segs{display:flex;gap:8px;width:100%;margin-top:22px;}
.listen .segs i{flex:1;height:4px;border-radius:2px;background:var(--graphite);overflow:hidden;position:relative;}
.listen .segs i b{position:absolute;inset:0;width:0;background:var(--aurum);display:block;}
.listen .segrow{display:flex;justify-content:space-between;width:100%;margin-top:12px;
  font-family:var(--f-mono);font-size:13px;letter-spacing:.1em;color:var(--fog);white-space:nowrap;}
.listen .cliff{font-family:var(--f-mono);font-size:15px;letter-spacing:.2em;color:var(--aurum);margin-top:30px;text-align:center;}
.listen .quote{font-family:var(--f-fraunces);font-weight:500;font-size:44px;line-height:1.06;color:var(--alabaster);
  text-align:center;margin-top:14px;letter-spacing:-.01em;}
.listen .quote em{font-style:italic;color:var(--aurum);}
.listen .qbody{font-family:var(--f-cormorant);font-style:italic;font-weight:400;font-size:23px;line-height:1.42;
  color:var(--fog);text-align:center;margin-top:16px;}
.listen .player{margin-top:auto;width:100%;padding-top:20px;}
.listen .scrub{position:relative;height:4px;border-radius:2px;background:var(--graphite);width:100%;}
.listen .scrub .fill{position:absolute;left:0;top:0;bottom:0;width:20%;background:var(--aurum);border-radius:2px;}
.listen .scrub .knob{position:absolute;top:50%;left:20%;width:18px;height:18px;border-radius:50%;background:var(--aurum);
  transform:translate(-50%,-50%);box-shadow:0 0 0 5px rgba(200,163,92,.12);}
.listen .times{display:flex;justify-content:space-between;margin-top:18px;
  font-family:var(--f-mono);font-size:16px;letter-spacing:.1em;color:var(--fog);}
.listen .transport{display:flex;align-items:center;justify-content:space-between;margin-top:28px;}
.listen .skip{font-family:var(--f-mono);font-size:18px;letter-spacing:.06em;color:var(--alabaster);display:flex;align-items:center;gap:10px;}
.listen .playbtn{width:108px;height:108px;border-radius:50%;background:var(--aurum);
  display:grid;place-items:center;position:relative;
  box-shadow:0 0 0 9px rgba(200,163,92,.10),0 12px 50px -8px rgba(200,163,92,.5);}
.listen .playbtn .bars{display:flex;gap:9px;}
.listen .playbtn .bars i{width:11px;height:38px;background:var(--obsidian);border-radius:2px;display:block;}

/* ============================================================================
   TRANSPORT CONTROLS  (review chrome — hidden when idle / for export)
   ============================================================================ */
#controls{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:200;
  display:flex;align-items:center;gap:18px;padding:13px 22px;border-radius:16px;
  background:rgba(16,16,20,.82);border:1px solid var(--graphite);backdrop-filter:blur(14px);
  font-family:var(--f-mono);color:var(--alabaster);transition:opacity .4s;}
#controls.hide{opacity:0;pointer-events:none;}
#controls button{background:none;border:none;color:var(--alabaster);cursor:pointer;display:grid;place-items:center;padding:4px;}
#controls .pp{width:34px;height:34px;border-radius:50%;background:var(--aurum);color:var(--obsidian);}
#seek{width:300px;height:4px;-webkit-appearance:none;appearance:none;background:var(--graphite);border-radius:2px;cursor:pointer;}
#seek::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--aurum);cursor:pointer;}
#seek::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:var(--aurum);cursor:pointer;}
#tlabel{font-size:13px;letter-spacing:.1em;color:var(--fog);min-width:92px;text-align:center;}

@media (prefers-reduced-motion: reduce){
  #ambient{animation:none!important;}
}