/* ---------- tokens: draft A (light guide) ---------- */
:root{
  --bg:#F5F7FA; --surface:#FFFFFF; --surface-2:#EEF1F6; --ink:#0B1220; --muted:#5B6475; --line:#E1E6EE;
  --accent:#2F5BFF; --accent-ink:#FFFFFF; --accent-soft:#E6ECFF; --hi:#FFB020;
  --ok:#0F8A4B; --ok-soft:#E3F5EA; --no:#B4471A; --no-soft:#FBEAE2;
  --stage:#0B1220; --stage-ink:#F5F7FA; --stage-line:#24304A;
  --radius:14px; --shadow:0 1px 2px rgba(11,18,32,.06),0 8px 24px rgba(11,18,32,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
h1,h2,h3{font-family:"Inter Tight",Inter,sans-serif;line-height:1.15;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(26px,3.2vw,34px)}
h3{font-size:18px}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
@media(min-width:720px){.wrap{padding:0 28px}}
.eyebrow{font:500 13px/1 "JetBrains Mono",monospace;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 20px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn:hover{filter:brightness(1.06)}
.src{font-size:13px;color:var(--muted)}
.src a{color:inherit}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;height:60px}
.logo{font:600 16px/1 "JetBrains Mono",monospace;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo b{color:var(--accent);font-weight:600}
.pill{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);white-space:nowrap}
.nav{margin-left:auto;display:none;gap:22px}
.nav a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500}
.nav a:hover{color:var(--ink)}
@media(min-width:900px){.nav{display:flex}}

/* ---------- hero ---------- */
.hero{padding:40px 0 36px}
.hero .wrap{display:grid;gap:32px}
@media(min-width:900px){.hero{padding:64px 0 56px}.hero .wrap{grid-template-columns:1.05fr .95fr;align-items:center;gap:48px}}
.hero h1{font-size:clamp(32px,4.6vw,52px);margin:14px 0 16px}
.hero .lede{font-size:18px;color:var(--muted);max-width:34em}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* animated stage: an example of code-built motion (pure CSS) */
.stage{background:var(--stage);color:var(--stage-ink);border-radius:20px;padding:22px;aspect-ratio:16/10;display:flex;flex-direction:column;position:relative;overflow:hidden;border:1px solid var(--stage-line)}
.stage .bar-row{flex:1;display:flex;align-items:flex-end;gap:12px;padding-top:12px;border-bottom:1px solid var(--stage-line)}
.stage .bar{flex:1;border-radius:8px 8px 0 0;background:#34406A;transform-origin:bottom;animation:grow 6s cubic-bezier(.2,.8,.2,1) infinite}
.stage .bar:nth-child(1){height:38%;animation-delay:0s}
.stage .bar:nth-child(2){height:52%;animation-delay:.15s}
.stage .bar:nth-child(3){height:61%;animation-delay:.3s}
.stage .bar:nth-child(4){height:86%;animation-delay:.45s;background:var(--hi)}
.stage .stat{font:800 clamp(30px,5vw,46px)/1 "Inter Tight",sans-serif}
@property --n{syntax:"<integer>";initial-value:0;inherits:false}
.stage .count{--n:0;counter-reset:n var(--n);animation:count 6s ease-out infinite}
.stage .count::after{content:counter(n) "%"}
.stage .cap{font-size:14px;color:#A9B3C9;margin-top:6px;animation:fade 6s ease infinite}
.stage .tag{position:absolute;top:16px;right:16px;font:500 11px/1 "JetBrains Mono",monospace;color:#7F8AA6;border:1px solid var(--stage-line);border-radius:999px;padding:6px 9px}
@keyframes grow{0%{transform:scaleY(0)}18%,88%{transform:scaleY(1)}100%{transform:scaleY(0)}}
@keyframes count{0%{--n:0}25%,88%{--n:18}100%{--n:0}}
@keyframes fade{0%,20%{opacity:0;transform:translateY(6px)}32%,88%{opacity:1;transform:none}100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.stage *{animation:none!important}.stage .count{--n:18}}
.stage-note{font-size:12.5px;color:var(--muted);margin-top:10px}

/* ---------- facts strip ---------- */
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
@media(min-width:900px){.facts{grid-template-columns:repeat(4,1fr)}}
@media(min-width:900px){.facts:has(> .fact:nth-child(3):last-child){grid-template-columns:repeat(3,1fr)}}
@media(max-width:899px){.facts > .fact:last-child:nth-child(odd){grid-column:1/-1}}
.fact{background:var(--surface);padding:18px}
.fact .k{font-size:12.5px;color:var(--muted);font-weight:500}
.fact .v{font:700 17px/1.3 "Inter Tight",sans-serif;margin-top:6px}

/* ---------- sections ---------- */
main{display:flex;flex-direction:column}
section{padding:56px 0}
@media(min-width:900px){section{padding:72px 0}}
.sec-head{display:grid;gap:10px;margin-bottom:28px;max-width:44em}
.sec-head p{color:var(--muted);font-size:17px}
.one{color:var(--muted);font-size:17px;margin:-14px 0 22px;max-width:40em}
:where(.lessons,.plans,.facts,.wall,.vids,.ways,.prompts) + p{margin-top:12px}

/* plans table */
.plans{display:grid;gap:10px}
@media(min-width:720px){.plans{grid-template-columns:repeat(5,1fr)}}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;justify-content:space-between;align-items:center;gap:10px}
@media(min-width:720px){.plan{flex-direction:column;align-items:flex-start}}
.plan .name{font-weight:600}
.badge{font-size:13px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap}
.badge.no{background:var(--no-soft);color:var(--no)}
.badge.yes{background:var(--ok-soft);color:var(--ok)}
.plan small{display:block;color:var(--muted);font-size:12.5px;margin-top:4px}

/* three ways */
.ways{display:grid;gap:16px}
@media(min-width:900px){.ways{grid-template-columns:repeat(3,1fr)}}
.way{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}
.way.ours{border:2px solid var(--accent)}
.way .num{font:600 13px/1 "JetBrains Mono",monospace;color:var(--accent)}
.way p{color:var(--muted)}
.way dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:4px 0 0;font-size:14px}
.way dt{color:var(--muted)}
.way dd{margin:0;font-weight:500}
.way .btn{margin-top:auto;align-self:flex-start}
.ours-tag{font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:3px 9px;align-self:flex-start}
code{font:13.5px "JetBrains Mono",monospace;background:var(--surface-2);padding:2px 6px;border-radius:6px}

/* prompts */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.chip{height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:500 14px Inter,sans-serif;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.prompts{display:grid;gap:16px}
@media(min-width:720px){.prompts{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.prompts{grid-template-columns:repeat(3,1fr)}}
.prompt{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:10px}
.prompt .meta{display:flex;justify-content:space-between;align-items:center;gap:8px}
.prompt .cat{font:500 12px/1 "JetBrains Mono",monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.prompt .fmt{font-size:12px;color:var(--muted)}
.prompt pre{margin:0;white-space:pre-wrap;font:13.5px/1.6 "JetBrains Mono",monospace;background:var(--surface-2);border-radius:10px;padding:12px;flex:1}
.prompt .copy{align-self:flex-start;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:600 14px Inter,sans-serif;cursor:pointer}
.prompt .copy.done{background:var(--ok-soft);color:var(--ok);border-color:transparent}
.prompt[hidden]{display:none}
.prompt .hint{font-size:13px;color:var(--muted)}

/* music band */
.music{background:var(--stage);color:var(--stage-ink);border-radius:20px;padding:28px;display:grid;gap:20px}
@media(min-width:900px){.music{grid-template-columns:1.2fr .8fr;align-items:center;padding:40px}}
.music p{color:#A9B3C9}
.music ul{margin:12px 0 0;padding-left:20px;color:#C9D1E3}
.music .btn-primary{background:var(--hi);color:#0B1220}

/* faq */
.faq{display:grid;gap:10px;max-width:780px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 16px;color:var(--muted)}

/* footer */
footer{border-top:1px solid var(--line);padding:32px 0 48px;font-size:14px;color:var(--muted)}
footer .wrap{display:grid;gap:10px}

/* section order per draft (B = prompts first) */
#facts{padding-top:0}


/* videos: thumbnail first, the YouTube player loads in place on click (visitors stay on the page) */
.vids{display:grid;gap:18px;margin-top:18px}
@media(min-width:720px){.vids{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.vids{grid-template-columns:repeat(3,1fr)}}
.vid{display:flex;flex-direction:column;gap:10px}
.vid-media{position:relative;display:block;width:100%;aspect-ratio:16/9;padding:0;border:0;border-radius:var(--radius);overflow:hidden;background:#000;cursor:pointer}
.vid-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.vid-media:hover img{transform:scale(1.03)}
.vid-media iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid-play{position:absolute;left:50%;top:50%;width:60px;height:60px;margin:-30px 0 0 -30px;border-radius:50%;background:var(--accent);box-shadow:0 6px 20px rgba(11,18,32,.3);display:grid;place-items:center}
.vid-play::before{content:"";border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:5px}
.vid-dur{position:absolute;right:10px;bottom:10px;font:500 12px/1 "JetBrains Mono",monospace;color:#fff;background:rgba(0,0,0,.7);padding:5px 7px;border-radius:6px}
.vid h3{font-size:16px;line-height:1.3}
.vid-meta{font-size:13.5px;color:var(--muted);margin-top:4px}
.vid-big{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow)}
@media(min-width:900px){.vid-big{display:grid;grid-template-columns:1.5fr 1fr;align-items:center;gap:28px;padding:20px}.vid-big h3{font-size:24px}}
.vids-title{font-size:19px;margin-top:40px}
.more{margin-top:18px;font-weight:600}

/* subpage hero */
.hero.sub .wrap{grid-template-columns:1fr}
.hero.sub h1{font-size:clamp(30px,4vw,44px)}

/* ---------- v2 shared media components ---------- */
.vid-hero .vid-media{
  aspect-ratio:16/9;border-radius:18px;box-shadow:0 20px 50px -20px rgba(11,18,32,.45);
}
.vid-hero .vid-play{width:76px;height:76px;margin:-38px 0 0 -38px}
.vid-hero .vid-meta{font-size:14px;margin-top:0}
.wall{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:900px){.wall{grid-template-columns:repeat(4,1fr)}}
@media(min-width:900px) and (max-width:1119px){
  .wall > .tile:has(.tile-media[data-opened="true"]){grid-column:span 2}
}
@media(max-width:899px){.wall > .tile:has(.tile-media[data-opened="true"]){grid-column:1/-1}}
.tile-media{
  position:relative;display:block;width:100%;aspect-ratio:16/10;padding:0;border:0;
  border-radius:14px;overflow:hidden;background:var(--stage);cursor:pointer;
}
.tile-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.tile-media:hover img{transform:scale(1.04)}
.tile-media.playing{aspect-ratio:auto;cursor:default}
.tile-fallback{display:grid;place-items:center;aspect-ratio:16/10;border-radius:14px;background:var(--stage);color:var(--stage-ink)}
.tile-x{
  position:absolute;left:8px;top:8px;background:rgba(11,18,32,.75);color:#fff;
  font:600 11px/1 Inter,sans-serif;padding:5px 7px;border-radius:6px;
}
.tile-media .vid-dur{right:8px;bottom:8px;background:rgba(11,18,32,.75);padding:4px 6px}
.tile-media .vid-play{
  width:46px;height:46px;margin:-23px 0 0 -23px;background:rgba(255,255,255,.92);box-shadow:0 6px 18px rgba(0,0,0,.25);
}
.tile-media .vid-play::before{border-left:14px solid var(--stage);border-top-width:9px;border-bottom-width:9px;margin-left:4px}
.tile-text{margin-top:8px}
.tile-who{font-size:14px;font-weight:600}
.tile-who a{color:inherit;text-decoration:none}
.tile-what{font-size:13px;color:var(--muted)}
.lessons{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:720px){.lessons{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.lessons{grid-template-columns:repeat(3,1fr)}}
.lesson-n{
  position:absolute;left:10px;top:10px;width:30px;height:30px;border-radius:50%;
  background:var(--accent);color:#fff;font:700 15px/30px "Inter Tight",sans-serif;text-align:center;
}
.lesson h3{margin:10px 0 2px;font-size:17px}
.lesson .vid-meta{margin:0;font-size:13px}
.toolchips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.toolchips li{padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:14px}
.soon{font-size:14px;color:var(--muted);margin-top:10px}
.way > .vid-media{width:100%;aspect-ratio:16/9;border-radius:12px;margin-bottom:12px}
.way-og{width:100%;height:auto;aspect-ratio:2/1;border-radius:10px;border:1px solid var(--line);object-fit:cover}
.music .vid{color:var(--stage-ink)}
.music .vid-meta{color:#A9B3C9}