/* THE INTRODUCTION — set the way Apple sets a keynote: black, SF Pro Display
   at display sizes with tight tracking, one line of type at a time, motion
   that rises and settles. The cyan/violet is AUTO's own. */
#intro { position:fixed; inset:0; z-index:9000; background:#000; color:#f5f7fa;
  font-family:-apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', system-ui, sans-serif;
  display:flex; flex-direction:column; overflow:hidden; -webkit-font-smoothing:antialiased; }
#intro::before { content:''; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(ellipse at 50% 60%, rgba(110,231,255,.10), transparent 55%),
             radial-gradient(ellipse at 50% 0%, rgba(189,138,255,.08), transparent 50%); }
.intro-stage { position:relative; flex:1 1 auto; min-height:0; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center; padding:6vh 6vw 4vh; gap:2.2vh; }
.intro-stage > * { animation:introRise .9s cubic-bezier(.2,.8,.2,1) both; }
.intro-stage > *:nth-child(2) { animation-delay:.18s; }
.intro-stage > *:nth-child(3) { animation-delay:.36s; }
.intro-stage > *:nth-child(4) { animation-delay:.54s; }
@keyframes introRise { from { opacity:0; transform:translateY(26px); filter:blur(6px); } to { opacity:1; transform:none; filter:none; } }

/* Type */
.intro-kicker { font-family:ui-monospace, 'SF Mono', Menlo, monospace; font-size:clamp(10px, 1.1vw, 13px); letter-spacing:.42em;
  color:#70eaff; opacity:.85; text-transform:uppercase; }
.intro-title { margin:0; font-weight:700; font-size:clamp(34px, 6.4vw, 96px); line-height:1.02; letter-spacing:-.028em;
  max-width:16ch; color:#fff; text-wrap:balance; }
.intro-lede { margin:0; font-size:clamp(16px, 1.7vw, 24px); line-height:1.4; color:#a9b8c6; max-width:44ch; font-weight:400; letter-spacing:-.005em; }
.intro-word { font-weight:800; font-size:clamp(64px, 12vw, 180px); letter-spacing:.34em; padding-left:.34em; line-height:1;
  background:linear-gradient(100deg, #e6fbff 0%, #70eaff 45%, #bd8aff 100%); -webkit-background-clip:text; background-clip:text; color:transparent;
  filter:drop-shadow(0 0 28px rgba(110,231,255,.35)); }
.intro-sub { font-family:ui-monospace, 'SF Mono', Menlo, monospace; font-size:clamp(11px, 1.3vw, 15px); letter-spacing:.5em; padding-left:.5em; color:#8fb3c4; }
.intro-note { font-family:ui-monospace, 'SF Mono', Menlo, monospace; font-size:11px; letter-spacing:.24em; color:#ffc578; }

/* The reactor */
.intro-reactor { width:min(46vh, 60vw); height:min(46vh, 60vw); }
.intro-reactor.small { width:min(24vh, 40vw); height:min(24vh, 40vw); }

/* Three faces */
.intro-faces { display:flex; gap:clamp(18px, 4vw, 64px); align-items:flex-end; justify-content:center; margin-top:2vh; }
.intro-face { display:flex; flex-direction:column; align-items:center; gap:14px; animation:introRise .9s cubic-bezier(.2,.8,.2,1) both; }
.intro-face:nth-child(2) { animation-delay:.25s; } .intro-face:nth-child(3) { animation-delay:.5s; }
.intro-screen { border:1.5px solid rgba(180,205,220,.55); border-radius:14px; background:#050a12; display:flex; align-items:center; justify-content:center;
  box-shadow:0 30px 60px rgba(0,0,0,.6), inset 0 0 40px rgba(110,231,255,.06); }
.intro-face.web .intro-screen { width:clamp(180px, 26vw, 360px); height:clamp(110px, 16vw, 224px); border-radius:10px; }
.intro-face.hud .intro-screen { width:clamp(150px, 20vw, 280px); height:clamp(70px, 9vw, 130px); border-radius:60px; }
.intro-face.phone .intro-screen { width:clamp(72px, 9vw, 128px); height:clamp(150px, 19vw, 270px); border-radius:22px; }
.intro-screen canvas { width:70%; height:70%; }
.intro-face-name { font-family:ui-monospace, 'SF Mono', Menlo, monospace; font-size:11px; letter-spacing:.3em; color:#8fb3c4; }

/* Voice */
.intro-wave { display:flex; gap:6px; align-items:center; height:clamp(80px, 16vh, 160px); margin:1vh 0; }
.intro-wave i { display:block; width:clamp(4px, .5vw, 7px); height:100%; border-radius:4px; background:linear-gradient(180deg, #bd8aff, #70eaff);
  transform-origin:center; transform:scaleY(.06); transition:transform .08s linear; box-shadow:0 0 12px rgba(110,231,255,.5); }

/* The deck */
.intro-deck { display:grid; grid-template-columns:repeat(3, minmax(0, 1fr)); gap:clamp(12px, 2vw, 28px); width:min(92vw, 1180px); margin-top:1vh; }
.intro-card { animation:introRise .9s cubic-bezier(.2,.8,.2,1) both; border-radius:14px; overflow:hidden; background:#04131b;
  box-shadow:0 24px 60px rgba(0,0,0,.55), 0 0 0 1px rgba(110,231,255,.15); }
.intro-card canvas { display:block; width:100%; }
@media (max-width:700px) {
  .intro-deck { grid-template-columns:1fr; width:min(92vw, 420px); }
  /* Three frames in a row were 438px at their smallest — measured 2026-09-12
     at 375px, the web frame and the phone ran off both edges. */
  .intro-faces { flex-wrap:wrap; gap:18px 26px; }
  .intro-face.web .intro-screen { width:200px; height:124px; }
  .intro-face.hud .intro-screen { width:150px; height:70px; }
  .intro-face.phone .intro-screen { width:64px; height:136px; }
}

/* Globe and map */
.intro-globe { width:min(92vw, 900px); height:min(52vh, 560px); }
.intro-globe .atlas-stories { display:none; }
.intro-map { width:min(70vh, 88vw); aspect-ratio:1; border-radius:14px; overflow:hidden; background:#061621;
  box-shadow:0 24px 60px rgba(0,0,0,.55), 0 0 0 1px rgba(110,231,255,.15); }
.intro-map canvas { width:100%; height:100%; display:block; opacity:0; transition:opacity .9s ease; }
.intro-map canvas.in { opacity:1; }

/* Reports */
.intro-reports { display:grid; grid-template-columns:repeat(3, minmax(0, 1fr)); gap:10px 28px; width:min(90vw, 980px); text-align:left; margin-top:1vh; }
.intro-report { display:flex; justify-content:space-between; gap:12px; padding:9px 0; border-bottom:1px solid rgba(110,231,255,.16);
  font-family:ui-monospace, 'SF Mono', Menlo, monospace; font-size:clamp(10px, 1.1vw, 13px); letter-spacing:.18em; animation:introRise .7s cubic-bezier(.2,.8,.2,1) both; }
.intro-report .k { color:#d9f4ff; } .intro-report .v { color:#70eaff; }
@media (max-width:700px) { .intro-reports { grid-template-columns:1fr 1fr; } }

/* Private */
.intro-private { display:flex; flex-wrap:wrap; gap:14px; justify-content:center; margin-top:1vh; }
.intro-pill { display:flex; align-items:center; gap:12px; padding:14px 22px; border-radius:999px; border:1px solid rgba(110,231,255,.28);
  background:rgba(110,231,255,.06); font-size:clamp(14px, 1.4vw, 18px); color:#e6fbff; animation:introRise .8s cubic-bezier(.2,.8,.2,1) both; }
.intro-pill .g { color:#70eaff; font-size:1.25em; }

/* Captions, status, bar */
.intro-caption { position:absolute; left:0; right:0; bottom:88px; text-align:center; padding:0 8vw; font-size:clamp(14px, 1.6vw, 22px);
  color:#e8f1f7; text-shadow:0 2px 12px rgba(0,0,0,.9); }
.intro-caption[hidden] { display:none; }
.intro-status { position:absolute; left:0; right:0; top:22px; text-align:center; font-family:ui-monospace, 'SF Mono', Menlo, monospace;
  font-size:10px; letter-spacing:.36em; color:#8fb3c4; }
.intro-bar { position:relative; flex:0 0 auto; display:flex; align-items:center; gap:14px; padding:14px clamp(14px, 3vw, 36px) calc(14px + env(safe-area-inset-bottom, 0px));
  background:linear-gradient(180deg, transparent, rgba(0,0,0,.7)); }
.intro-btn { flex:0 0 auto; min-width:40px; height:34px; padding:0 12px; border-radius:17px; border:1px solid rgba(180,205,220,.35);
  background:rgba(255,255,255,.06); color:#e6fbff; font:600 12px/1 -apple-system, 'SF Pro Text', system-ui, sans-serif; letter-spacing:.06em; cursor:pointer; }
.intro-btn:hover { background:rgba(255,255,255,.14); }
.intro-btn.on { background:#70eaff; color:#03070c; border-color:#70eaff; }
.intro-progress { position:relative; flex:1 1 auto; height:4px; border-radius:2px; background:rgba(255,255,255,.14); cursor:pointer; }
.intro-progress i { position:absolute; left:0; top:0; bottom:0; width:0; border-radius:2px; background:linear-gradient(90deg, #70eaff, #bd8aff); transition:width .3s linear; }
.intro-progress b { position:absolute; top:-3px; width:1px; height:10px; background:rgba(255,255,255,.35); }
.intro-time { flex:0 0 auto; font-family:ui-monospace, 'SF Mono', Menlo, monospace; font-size:11px; letter-spacing:.12em; color:#a9b8c6; min-width:86px; text-align:right; }
.intro-again { position:absolute; left:50%; bottom:110px; transform:translateX(-50%); height:44px; padding:0 22px; border-radius:22px; font-size:13px; letter-spacing:.14em; }

/* The poster card (the instrument in the dock / the widget panel) */
.intro-poster { display:flex; flex-direction:column; align-items:center; gap:8px; padding:14px 8px 10px; background:radial-gradient(ellipse at 50% 30%, rgba(110,231,255,.10), transparent 60%); }
.intro-poster-mark { width:120px; height:120px; }
.intro-poster-title { font-family:-apple-system, 'SF Pro Display', system-ui, sans-serif; font-weight:700; font-size:20px; letter-spacing:-.01em; color:#fff; }
.intro-poster-sub { font-family:ui-monospace, 'SF Mono', Menlo, monospace; font-size:9px; letter-spacing:.24em; color:#8fb3c4; text-align:center; }
.intro-poster-play { margin-top:6px; min-width:160px; }