/* Cisco Kid tokens (dark ground). Source of truth: design-system/ in this repo. */
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-var.woff2) format("woff2")}
:root{
  --font-sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SF Mono",Menlo,monospace;
  --white:#FFFFFF;--midnight:#07182D;--cyan:#02C8FF;--blue:#0A60FF;--magenta:#FF007F;--orange:#FF9000;
  --grey-100:#D6D6D6;--grey-500:#6B6B6B;--midnight-30:#B4B9C0;--midnight-70:#525E6C;--green:#45991F;--red:#EB4651;
  --gradient-1:linear-gradient(90deg,var(--cyan) 0%,var(--blue) 100%);
  --bg:var(--midnight);--bg-raised:#0B2140;--fg:var(--white);--fg-muted:var(--midnight-30);--fg-subtle:var(--midnight-70);
  --line:rgba(255,255,255,0.28);--line-strong:var(--white);--accent:var(--cyan);--accent-text:var(--cyan);
  --accent-tint:rgba(2,200,255,0.10);--accent-tint-strong:rgba(2,200,255,0.18);--link:var(--cyan);--selection:rgba(2,200,255,0.30);
  --radius-sm:6px;--radius:12px;--radius-pill:999px;--dur:160ms;--ease:cubic-bezier(.2,.7,.2,1);
  --pad-x:clamp(20px,5vw,64px);--sec-y:clamp(56px,9vh,104px);--max:1320px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
html,body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-wrap:pretty}
h1,h2,h3,p{margin:0}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--fg)}
::selection{background:var(--selection)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.gradient-text{background:var(--gradient-1);-webkit-background-clip:text;background-clip:text;color:transparent}
.mono{font-family:var(--font-mono)}
.muted{color:var(--fg-muted)}
.kicker{font-size:12px;font-weight:400;line-height:inherit;letter-spacing:normal;color:var(--fg-muted)}

/* Buttons: outlined only */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 24px;border-radius:var(--radius);border:1.5px solid var(--line-strong);background:transparent;color:var(--fg);font:inherit;font-weight:600;line-height:1;cursor:pointer;text-decoration:none;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.btn:hover{background:var(--accent-tint);color:var(--fg)}
.btn:active{background:var(--accent-tint-strong)}
.btn-primary{border-color:var(--accent);color:var(--accent-text)}
.btn-secondary{border-color:var(--line-strong)}
.btn-gradient{border-color:transparent;background:linear-gradient(var(--bg),var(--bg)) padding-box,var(--gradient-1) border-box}
.btn-gradient:hover{background:linear-gradient(var(--bg-raised),var(--bg-raised)) padding-box,var(--gradient-1) border-box}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px}
.btn-lg{min-height:52px;padding:0 32px;font-size:18px}

.tag{display:inline-flex;align-items:center;min-height:24px;padding:0 12px;border-radius:var(--radius-pill);border:1px solid var(--line);font-size:12px;line-height:1;white-space:nowrap}
.tag-accent{border-color:var(--accent);color:var(--accent-text)}

.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px;background:transparent;color:inherit;text-decoration:none}
.card:hover{color:inherit}
.card-interactive{transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.card-interactive:hover{background:var(--accent-tint);border-color:var(--accent)}

/* Layout */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--gradient-1);z-index:60}
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px var(--pad-x);background:color-mix(in srgb,#07182D 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-brand{display:flex;align-items:baseline;gap:10px;color:var(--fg)}
.nav-brand b{font-weight:700;font-size:18px;letter-spacing:-.01em}
.nav-brand small{font-size:12px;color:var(--fg-muted)}
.nav-links{display:flex;align-items:center;gap:clamp(10px,2vw,24px)}
.nav-link{font-size:14px;color:var(--fg-muted);padding:8px 10px;border-radius:var(--radius-sm);transition:color var(--dur) var(--ease),background var(--dur) var(--ease)}
.nav-link:hover{color:var(--fg);background:var(--accent-tint)}
.nav-link[aria-current="page"]{color:var(--fg);box-shadow:inset 0 -2px 0 var(--accent)}
@media (max-width:640px){.nav-link.hide-sm{display:none}}
.wrap{max-width:var(--max);margin:0 auto;padding:var(--sec-y) var(--pad-x)}
.section{border-top:1px solid var(--line)}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:clamp(28px,5vw,72px);align-items:start}
.footer{border-top:1px solid var(--line);padding:24px var(--pad-x);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;max-width:var(--max);margin:0 auto;font-size:12px;color:var(--fg-muted)}
.footer a{color:var(--fg-muted)}
.footer a:hover{color:var(--fg)}

/* Reveal (JS sets data-reveal="on") */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .75s ease,transform .75s cubic-bezier(.22,.7,.2,1)}
[data-reveal="on"],.no-motion [data-reveal]{opacity:1;transform:none}
/* From 753px the hero is two columns and fits the viewport, so its reveals run as a CSS animation from first paint (same timing and easing as the JS reveal) instead of waiting on script. Narrower screens keep the scroll-driven JS reveal so the portrait fades in when reached. */
@media (min-width:753px){.hero [data-reveal]{opacity:1;transform:none;animation:reveal-fade .75s ease both,reveal-rise .75s cubic-bezier(.22,.7,.2,1) both}}
@keyframes reveal-fade{from{opacity:0}to{opacity:1}}
@keyframes reveal-rise{from{transform:translateY(14px)}to{transform:none}}
.no-motion .hero [data-reveal]{animation:none}
@media (prefers-reduced-motion:reduce){[data-reveal],.hero [data-reveal]{opacity:1;transform:none;transition:none;animation:none}}

/* Site page */
.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:clamp(28px,5vw,72px);align-items:end;padding:clamp(48px,9vh,120px) var(--pad-x) clamp(40px,7vh,88px);max-width:var(--max);margin:0 auto}
.hero-copy{container-type:inline-size}
.hero-status{display:flex;align-items:center;gap:10px;margin-bottom:22px;font-size:12px;letter-spacing:.02em;color:var(--fg-muted)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:blink 2.6s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.15}}
.hero h1{font-weight:600;font-size:clamp(44px,11cqw,96px);line-height:1.02;letter-spacing:-.02em;margin-bottom:6px}
.hero-tag{font-weight:600;font-size:clamp(20px,2.6vw,28px);letter-spacing:-.005em;color:var(--fg-muted);margin-top:18px}
.hero-lede{font-size:clamp(16px,1.4vw,18px);line-height:1.55;max-width:46ch;margin-top:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.portrait{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4}
.portrait img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 22%}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(130px,100%),1fr));gap:12px;margin-top:16px}
.fact{border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.fact small{display:block;font-size:12px;color:var(--fg-muted)}
.fact b{display:block;font-weight:700;margin-top:3px}
.statement{font-weight:600;font-size:clamp(24px,3vw,36px);line-height:1.2;letter-spacing:-.01em}
.statement [data-ch]{display:inline-block;will-change:transform,filter,opacity}
.statement .w{display:inline-block;white-space:nowrap}
.focus-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.focus-row{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;padding:16px 18px;align-items:baseline;border-top:1px solid var(--line)}
.focus-row:first-child{border-top:0}
.focus-row:hover{background:var(--accent-tint)}
.focus-row .n{font-family:var(--font-mono);font-size:12px;color:var(--accent)}
.focus-row b{display:block;font-weight:700;font-size:18px;line-height:1.3}
.focus-row span{display:block;font-size:14px;color:var(--fg-muted);margin-top:3px}
.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:30px}
.work{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:clamp(12px,1.6vw,20px)}
.work .card{min-height:220px}
.work .tag{align-self:flex-start}
.work h3{font-weight:700;font-size:20px;line-height:1.25}
.work p{font-size:15px;line-height:1.5}
.work .meta{margin-top:auto;font-family:var(--font-mono);font-size:12px;color:var(--fg-muted)}
.track-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:baseline;padding:20px 0;border-top:1px solid var(--line)}
.track-row b{display:block;font-weight:700;font-size:clamp(18px,1.8vw,20px);line-height:1.3}
.track-row span{display:block;font-size:14px;color:var(--fg-muted);margin-top:4px}
.track-row .yrs{font-family:var(--font-mono);font-size:12px;color:var(--accent);white-space:nowrap}
.creds{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr));gap:clamp(20px,3vw,44px)}
.creds h3{font-weight:700;font-size:16px;padding-bottom:12px;border-bottom:1.5px solid var(--line-strong)}
.creds ul{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:9px}
.creds li{font-size:14px;line-height:1.45;color:var(--fg-muted)}
.contact h2{font-weight:600;font-size:clamp(38px,5.5vw,64px);line-height:1.02;letter-spacing:-.02em}
.contact p{line-height:1.55;max-width:40ch;margin-top:20px}
.links{display:grid;gap:12px}
.link-row{border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:18px 20px;color:var(--fg);transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.link-row:hover{background:var(--accent-tint);border-color:var(--accent);color:var(--fg)}
.link-row small{font-size:12px;color:var(--fg-muted)}
.link-row b{font-weight:600}

/* Timeline page */
.tl-head{padding:clamp(56px,10vh,120px) var(--pad-x) clamp(32px,6vh,64px);max-width:1100px;margin:0 auto}
.tl-head h1{font-weight:600;font-size:clamp(40px,7vw,80px);line-height:1.02;letter-spacing:-.02em}
.tl-head p{font-size:clamp(16px,1.4vw,18px);line-height:1.55;max-width:50ch;color:var(--fg-muted);margin-top:24px}
.rail{position:relative;max-width:1100px;margin:0 auto;padding:24px var(--pad-x) 120px}
.rail-line{position:absolute;top:0;bottom:0;left:50%;width:1px;background:var(--line);transform:translateX(-.5px)}
.rail-wire{position:absolute;top:0;left:50%;width:2px;height:0;background:var(--gradient-1);transform:translateX(-1px)}
.packet{position:absolute;left:50%;top:0;width:14px;height:14px;border-radius:50%;background:var(--cyan);transform:translate(-50%,-50%);box-shadow:0 0 18px rgba(2,200,255,.8);z-index:3}
.stops{display:flex;flex-direction:column;gap:clamp(56px,9vh,104px)}
.stop{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 48px minmax(0,1fr);align-items:center}
.node{grid-column:2;grid-row:1;justify-self:center;width:12px;height:12px;border-radius:50%;border:1.5px solid var(--line-strong);background:var(--bg);position:relative;z-index:2;transition:background .3s,border-color .3s,box-shadow .3s}
.stop.on .node{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 14px rgba(2,200,255,.7)}
.stop-card{grid-row:1;display:flex;flex-direction:column;gap:10px;padding:0 clamp(0px,2vw,24px);opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.7,.2,1)}
.stop.on .stop-card,.no-motion .stop-card{opacity:1;transform:none}
.stop:nth-child(odd) .stop-card{grid-column:1;text-align:right;align-items:flex-end}
.stop:nth-child(even) .stop-card{grid-column:3;text-align:left;align-items:flex-start}
.stop-card .year{font-family:var(--font-mono);font-size:12px;color:var(--accent)}
.stop-card h2{font-weight:700;font-size:clamp(18px,2vw,22px);line-height:1.25}
.stop-card p{font-size:15px;line-height:1.5;color:var(--fg-muted)}
.stat{display:flex;flex-direction:column;gap:2px;margin-top:6px}
.stat b{font-weight:600;font-size:clamp(30px,3.6vw,44px);line-height:1;letter-spacing:-.02em}
.stat small{font-size:12px;color:var(--fg-muted)}
@media (max-width:640px){
  .stop{grid-template-columns:32px minmax(0,1fr)}
  .node{grid-column:1}
  .stop:nth-child(odd) .stop-card,.stop:nth-child(even) .stop-card{grid-column:2;text-align:left;align-items:flex-start}
  .rail-line,.rail-wire,.packet{left:calc(var(--pad-x) + 16px)}
}
.game-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:24px}
.game-head h2{font-weight:600;font-size:clamp(28px,4vw,44px);line-height:1.05;letter-spacing:-.02em;margin-top:12px}
.game{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;background:var(--bg)}
.game canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.game-hud{position:absolute;top:14px;left:16px;font-family:var(--font-mono);font-size:12px;color:var(--fg-muted)}
.game-done{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:rgba(7,24,45,.55);backdrop-filter:blur(2px)}
.game.complete .game-done{display:flex}
.game-done b{font-weight:600;font-size:clamp(22px,3vw,32px);letter-spacing:-.01em}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(2,200,255,.5)}50%{box-shadow:0 0 0 10px rgba(2,200,255,0)}}
.pulse{animation:pulse 2s ease-out infinite}

/* Intro page */
.intro{position:fixed;inset:0;background:var(--bg);transition:opacity .5s ease}
.intro canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.intro-top{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:20px var(--pad-x);pointer-events:none}
.intro-top b{font-weight:700;font-size:18px;letter-spacing:-.01em}
.intro-top a{pointer-events:auto;font-size:12px;color:var(--fg-muted);text-decoration:underline;text-underline-offset:3px}
.intro-top a:hover{color:var(--fg)}
.intro-cta{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:clamp(48px,10vh,120px);gap:20px;pointer-events:none;text-align:center;opacity:0}
.intro-cta.in{animation:ck-in .9s cubic-bezier(.2,.7,.2,1) forwards}
.intro-cta *{pointer-events:auto}
.intro-cta .hint{font-size:14px;color:var(--fg-muted)}
@keyframes ck-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.intro-timer{position:absolute;bottom:0;left:0;height:2px;width:0;background:var(--gradient-1)}