/* MatSciEd Quantum: the three high-school modules. Friendlier density, the hook and
   try-at-home boxes, teacher notes, and a few components used only there. */
body{font-size:1.156rem;line-height:1.62}
.prose{max-width:60ch}
h2{font-size:clamp(1.55rem,3.2vw,2.1rem)}
.msg{font-size:1.28rem}
.sdek{font-size:1.04rem}
.bench .bbody{padding:20px 18px}
.btn{font-size:.917rem;padding:8px 13px}
.btn.big{font-size:1rem;padding:10px 16px}
.ctrl > label{font-size:.837rem}
input[type=range]::-webkit-slider-thumb{width:18px;height:18px;margin-top:-7.5px}
input[type=range]::-moz-range-thumb{width:16px;height:16px}
.series{font-family:"IBM Plex Mono",monospace;font-size:.812rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
.series b{color:var(--zero);font-weight:500}
.hook{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px 18px;align-items:start;border:1px solid var(--rule);border-left:3px solid var(--one);background:var(--surface);border-radius:0 4px 4px 0;padding:16px 20px;margin:24px 0}
.hook .hk{font-family:"IBM Plex Mono",monospace;font-size:.812rem;letter-spacing:.14em;text-transform:uppercase;color:var(--one);padding-top:4px;white-space:nowrap}
.hook p{margin:0;font-size:1.02rem;color:var(--ink-2)}
.hook p b{color:var(--ink)}
.home{border:1px solid var(--rule);border-radius:4px;background:var(--surface);margin:26px 0;overflow:hidden}
.home .hh{padding:10px 18px;background:var(--surface-2);border-bottom:1px solid var(--rule);font-family:"IBM Plex Mono",monospace;font-size:.812rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.home .hh b{color:var(--ink);font-weight:500}
.home .hb{padding:16px 18px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:18px}
.home h5{font-family:Archivo,sans-serif;font-size:.894rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
.home ul,.home ol{margin:0;padding-left:1.15em;font-size:1rem;color:var(--ink-2)}
.home li{margin:4px 0}
.home .why{grid-column:1/-1;font-size:1rem;color:var(--ink-2);border-top:1px solid var(--rule);padding-top:12px}
.home .why b{color:var(--ink)}
@media (max-width:700px){.home .hb{grid-template-columns:1fr}.hook{grid-template-columns:1fr;gap:6px}}
details.teacher{margin:14px 0 0;border:1px dashed var(--rule-strong);border-radius:3px;background:transparent}
details.teacher>summary{cursor:pointer;padding:7px 12px;font-family:"IBM Plex Mono",monospace;font-size:.812rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);list-style:none;display:flex;gap:8px;align-items:center}
details.teacher>summary::-webkit-details-marker{display:none}
details.teacher>summary::before{content:"+";color:var(--phase);font-weight:600}
details.teacher[open]>summary::before{content:"\2212"}
details.teacher>.tb{padding:2px 14px 12px;font-size:1rem;line-height:1.55;color:var(--ink-2);border-top:1px dashed var(--rule)}
details.teacher>.tb b{color:var(--ink)}
.coinrow{display:flex;flex-wrap:wrap;gap:5px}
.coin{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:"IBM Plex Mono",monospace;font-size:.837rem;font-weight:600;color:#fff;background:var(--faint)}
.coin.z{background:var(--zero)}.coin.o{background:var(--one)}
.bigpct{font-family:Archivo,sans-serif;font-weight:700;font-size:2.4rem;letter-spacing:-.02em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.bigpct small{font-family:"IBM Plex Mono",monospace;font-size:.837rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-top:6px;font-weight:400}
.uses{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.use{border:1px solid var(--rule);border-radius:4px;background:var(--surface);padding:14px 16px}
.use b{display:block;font-family:Archivo,sans-serif;font-size:1rem;color:var(--ink);margin-bottom:4px}
.use small{display:block;font-size:1rem;color:var(--muted);line-height:1.45}
.use .n{font-family:"IBM Plex Mono",monospace;font-size:.787rem;letter-spacing:.12em;text-transform:uppercase;color:var(--zero);display:block;margin-bottom:6px}
.stepper{display:flex;gap:6px;flex-wrap:wrap}
.stepper button{flex:1 1 90px}