/* Head Start. A late night study desk: dark surfaces, chalk text, one warm filament that lights for things done or live.
   Depth comes from small surface shifts plus a 1px ring. Spacing is on a 4px grid. */
:root{
  color-scheme:dark;
  --midnight:#0d1512; --desk:#131d19; --lamp:#19251f; --shade:#1f2d26; --inset:#09100d;
  --wire:rgba(232,230,220,.07); --wire-2:rgba(232,230,220,.14);
  --chalk:#ece9df; --chalk-2:#b9bcb1; --chalk-3:#8a8f84; --chalk-4:#5c635d;
  --filament:#c9a75a; --filament-text:#dcbe76; --filament-ink:#15110a;
  --glow:rgba(201,167,90,.34); --glow-soft:rgba(201,167,90,.12);
  --lift:0 0 0 1px rgba(232,230,220,.07);
  --f-display:"Bricolage Grotesque","Avenir Next","Segoe UI",system-ui,sans-serif;
  --f-body:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --r-s:8px; --r-m:12px; --r-l:20px; --r-xl:28px;
  --ease:cubic-bezier(.23,1,.32,1); --ease-io:cubic-bezier(.77,0,.175,1);
  --wrap:1120px;
}
:root[data-palette="oxford"]{
  --midnight:#0b1019; --desk:#111926; --lamp:#172131; --shade:#1d283a; --inset:#070b12;
  --wire:rgba(226,234,245,.07); --wire-2:rgba(226,234,245,.14);
  --chalk:#e6ebf3; --chalk-2:#adb7c7; --chalk-3:#7f8a9d; --chalk-4:#525c6d;
  --filament:#8ec5ff; --filament-text:#a3d0ff; --filament-ink:#07111d;
  --glow:rgba(142,197,255,.34); --glow-soft:rgba(142,197,255,.12); --lift:0 0 0 1px rgba(226,234,245,.07)}
:root[data-palette="ember"]{
  --midnight:#11131c; --desk:#171a26; --lamp:#1d2130; --shade:#242839; --inset:#0c0e15;
  --wire:rgba(233,230,220,.07); --wire-2:rgba(233,230,220,.14);
  --chalk:#ece8dd; --chalk-2:#bdb9ae; --chalk-3:#8f8c83; --chalk-4:#5f5d58;
  --filament:#f2a93b; --filament-text:#f4b553; --filament-ink:#1a1206;
  --glow:rgba(242,169,59,.38); --glow-soft:rgba(242,169,59,.12); --lift:0 0 0 1px rgba(233,230,220,.07)}
:root[data-palette="graphite"]{
  --midnight:#0e0e10; --desk:#161618; --lamp:#1d1d21; --shade:#252529; --inset:#09090a;
  --wire:rgba(240,240,240,.07); --wire-2:rgba(240,240,240,.14);
  --chalk:#eeeeee; --chalk-2:#b5b5b8; --chalk-3:#88888d; --chalk-4:#5b5b60;
  --filament:#f1f1f1; --filament-text:#ffffff; --filament-ink:#111113;
  --glow:rgba(255,255,255,.22); --glow-soft:rgba(255,255,255,.08); --lift:0 0 0 1px rgba(240,240,240,.07)}

/* Base */
*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:clip}
html{-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;scroll-padding-top:88px}
body{margin:0;background:var(--midnight);color:var(--chalk);font-family:var(--f-body);font-size:16px;line-height:1.55}
h1,h2,h3,h4{font-family:var(--f-display);margin:0;text-wrap:balance;font-weight:700;letter-spacing:-.02em;line-height:1.1}
p{margin:0;text-wrap:pretty}
a{color:var(--filament-text);text-underline-offset:3px;text-decoration-thickness:1px}
button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--filament);outline-offset:3px;border-radius:6px}
[hidden]{display:none!important}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 max(16px,env(safe-area-inset-left,0px))}
.num{font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Labels */
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--chalk-3);display:flex;flex-wrap:wrap;gap:4px 14px}
.eyebrow.lit{color:var(--filament-text)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-family:var(--f-mono);font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;background:var(--inset);color:var(--chalk-2);white-space:nowrap}
.chip.flag{background:var(--glow-soft);color:var(--filament-text)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:0 18px;min-height:44px;font-weight:600;font-size:15px;line-height:1;background:var(--lamp);color:var(--chalk);box-shadow:var(--lift);text-decoration:none;
  transition:transform .14s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease)}
.btn:hover{background:var(--shade)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--filament);color:var(--filament-ink);box-shadow:0 0 0 1px var(--filament),0 8px 24px -8px var(--glow)}
.btn.primary:hover{box-shadow:0 0 0 1px var(--filament),0 10px 30px -6px var(--glow)}
.btn.ghost{background:transparent;box-shadow:inset 0 0 0 1px var(--wire-2)}
.btn.ghost:hover{background:var(--wire)}
.btn.sm{min-height:36px;padding:0 14px;font-size:14px;font-weight:500;border-radius:10px}
.btn.lg{min-height:52px;padding:0 24px;font-size:16px;border-radius:14px}
.btn[disabled]{opacity:.5;cursor:default;transform:none}
.link{background:none;border:0;padding:0;color:var(--chalk-2);text-decoration:underline;text-underline-offset:3px;font-size:14px;min-height:32px}
.link:hover{color:var(--chalk)}

/* Nav */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--midnight) 82%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
.top.scrolled{border-bottom-color:var(--wire)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:750;font-size:20px;letter-spacing:-.03em;color:var(--chalk);text-decoration:none;font-variation-settings:"wdth" 82}
.logo i{width:10px;height:10px;border-radius:50%;background:var(--filament);box-shadow:0 0 12px var(--glow)}
.logo span{color:var(--filament-text)}
.nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.nav a.l{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:10px;color:var(--chalk-2);text-decoration:none;font-weight:500;font-size:15px;transition:background-color .2s var(--ease),color .2s var(--ease)}
.nav a.l:hover{background:var(--wire);color:var(--chalk)}
.nav a.l[aria-current="page"]{color:var(--chalk);background:var(--lamp);box-shadow:var(--lift)}
@media (max-width:420px){.nav a.l{padding:0 10px}.logo{font-size:18px}}
.skip{position:absolute;left:-999px;top:8px;z-index:30;background:var(--filament);color:var(--filament-ink);padding:10px 14px;border-radius:10px;font-weight:600}
.skip:focus{left:8px}
.readbar{position:fixed;left:0;top:0;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--filament);box-shadow:0 0 10px var(--glow);z-index:40}

/* Footer */
.foot{margin-top:96px;border-top:1px solid var(--wire);padding:40px 0 56px}
.foot .wrap{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px}
@media (max-width:720px){.foot .wrap{grid-template-columns:minmax(0,1fr)}}
.foot p{color:var(--chalk-3);font-size:14px;max-width:62ch}
.foot .col{display:flex;flex-direction:column;gap:14px}
.foot .links{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px}
.foot .links a{color:var(--chalk-2)}
.by{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--chalk-4)}
.swatches{display:flex;gap:10px;align-items:center}
.sw{position:relative;width:24px;height:24px;border-radius:50%;border:0;padding:0;transition:transform .14s var(--ease),box-shadow .2s var(--ease)}
.sw::after{content:"";position:absolute;inset:-10px}
.sw:active{transform:scale(.94)}
.sw[aria-pressed="true"]{box-shadow:0 0 0 2px var(--midnight),0 0 0 4px var(--chalk-2)}
.sw[data-palette="library"]{background:linear-gradient(135deg,#131d19 50%,#c9a75a 50%)}
.sw[data-palette="oxford"]{background:linear-gradient(135deg,#111926 50%,#8ec5ff 50%)}
.sw[data-palette="ember"]{background:linear-gradient(135deg,#171a26 50%,#f2a93b 50%)}
.sw[data-palette="graphite"]{background:linear-gradient(135deg,#161618 50%,#f1f1f1 50%)}

/* Scroll reveal. Only transform and opacity move. */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:calc(var(--i,0) * 70ms)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}*{scroll-behavior:auto!important}}

/* The filament. One bar per session; lit bars glow. */
.fil{display:flex;gap:3px;align-items:flex-end;height:44px}
.fil .bar{flex:1 1 0;min-width:0;height:100%;border-radius:2px;background:var(--wire-2);transform-origin:50% 100%;transition:background-color .5s var(--ease),box-shadow .5s var(--ease)}
.fil .bar.on{background:var(--filament);box-shadow:0 0 8px var(--glow)}
.fil .bar.next{background:var(--filament);opacity:.45;animation:breathe 2.4s var(--ease-io) infinite}
.fil .gap{flex:0 0 6px}
@keyframes breathe{50%{opacity:.9}}
@media (max-width:600px){.fil{gap:1px;height:36px}.fil .gap{flex-basis:3px}}
@media (prefers-reduced-motion:reduce){.fil .bar.next{animation:none}}

/* ---------- Home ---------- */
.hero{position:relative;padding:72px 0 40px;display:flex;flex-direction:column;gap:24px}
.hero::before{content:"";position:absolute;left:50%;top:-180px;width:min(900px,100%);height:620px;transform:translateX(-50%);background:radial-gradient(closest-side,var(--glow-soft),transparent 70%);pointer-events:none;z-index:-1}
.hero h1{font-size:clamp(44px,8.6vw,96px);font-weight:760;letter-spacing:-.045em;line-height:.95;font-variation-settings:"wdth" 80,"opsz" 96;max-width:14ch}
.hero h1 em{font-style:normal;color:var(--filament-text);text-shadow:0 0 40px var(--glow)}
.hero .lede{font-size:clamp(18px,2.3vw,21px);color:var(--chalk-2);max-width:54ch;line-height:1.5}
.hero .row{display:flex;flex-wrap:wrap;gap:12px}
.hero .meta{display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--chalk-3);font-size:14px}
.hero .meta b{color:var(--chalk);font-weight:600}
.hero-fil{margin-top:28px}
.hero-fil .cap{display:flex;justify-content:space-between;gap:12px;margin-top:10px;font-family:var(--f-mono);font-size:12px;color:var(--chalk-3);letter-spacing:.06em;text-transform:uppercase}
.js .hero-fil .bar{transform:scaleY(.35)}
.js .hero-fil.in .bar{transform:none;transition:transform .9s var(--ease),background-color .5s var(--ease),box-shadow .5s var(--ease);transition-delay:calc(var(--i) * 6ms)}

.band{padding-top:96px;padding-bottom:96px}
.kicker{display:flex;flex-direction:column;gap:16px;max-width:760px;margin-bottom:48px}
.kicker h2{font-size:clamp(32px,5vw,52px);letter-spacing:-.035em;line-height:1.02}
.kicker p{font-size:18px;color:var(--chalk-2)}

.statement{font-family:var(--f-display);font-size:clamp(28px,4.6vw,52px);font-weight:650;letter-spacing:-.03em;line-height:1.12;max-width:20ch}
.statement span{display:block;color:var(--chalk-4);transition:color .6s var(--ease)}
.statement span.in{color:var(--chalk)}
.statement span.in.hi{color:var(--filament-text)}

/* Session walkthrough: sticky ring on the left, steps scroll past on the right */
.walk{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.walk-vis{position:sticky;top:120px;display:flex;justify-content:center}
.walk-steps{display:flex;flex-direction:column}
.wstep{min-height:85vh;opacity:.18;transition:opacity .4s var(--ease)}
.wstep .in{position:sticky;top:200px;display:flex;flex-direction:column;gap:12px}
.wstep.on{opacity:1}
.wstep .n{font-family:var(--f-mono);font-size:13px;color:var(--filament-text);letter-spacing:.08em}
.wstep h3{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.03em}
.wstep p{color:var(--chalk-2);font-size:17px;max-width:44ch}
@media (max-width:860px){
  .walk{grid-template-columns:minmax(0,1fr);gap:24px}
  .walk-vis{top:72px;z-index:2;padding:12px 0;background:linear-gradient(var(--midnight) 80%,transparent)}
  .wstep{min-height:70vh}
  .wstep .in{top:316px}
}
.dial{position:relative;width:min(340px,70vw);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 50% 45%,var(--lamp),var(--desk) 70%);box-shadow:var(--lift),0 30px 80px -30px var(--glow);display:grid;place-items:center}
.dial svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.dial .track{fill:none;stroke:var(--wire-2);stroke-width:5}
.dial .arc{fill:none;stroke:var(--filament);stroke-width:5;stroke-linecap:round;transition:stroke-dashoffset .25s linear}
.dial .face{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}
.dial .t{font-family:var(--f-mono);font-size:clamp(36px,6vw,54px);font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.dial .l{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--chalk-3)}
@media (max-width:860px){.dial{width:min(200px,52vw)}}

.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:820px){.duo{grid-template-columns:minmax(0,1fr)}}
.panel{position:relative;background:var(--desk);border-radius:var(--r-xl);box-shadow:var(--lift);padding:32px;display:flex;flex-direction:column;gap:18px;min-width:0;overflow:hidden;text-decoration:none;color:inherit;transition:background-color .25s var(--ease),transform .2s var(--ease)}
a.panel:hover{background:var(--lamp)}
a.panel:active{transform:scale(.99)}
.panel h3{font-size:30px;letter-spacing:-.03em}
.panel p{color:var(--chalk-2)}
.panel .go{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--filament-text)}
.panel .go svg{transition:transform .2s var(--ease)}
a.panel:hover .go svg{transform:translateX(4px)}
.mini{background:var(--inset);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px}
.mini .row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mini .ttl{font-family:var(--f-display);font-weight:650;font-size:18px}
.mini .dots{display:flex;gap:6px}
.mini .dots i{width:10px;height:10px;border-radius:50%;background:var(--wire-2)}
.mini .dots i.on{background:var(--filament);box-shadow:0 0 8px var(--glow)}
.mini .ln{height:8px;border-radius:4px;background:var(--wire-2)}
.mini .ln.s{width:62%}.mini .ln.m{width:82%}

.track-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;counter-reset:t}
.track-list a{counter-increment:t;display:flex;flex-direction:column;gap:6px;background:var(--desk);border-radius:var(--r-l);box-shadow:var(--lift);padding:20px 22px;text-decoration:none;color:var(--chalk);transition:background-color .2s var(--ease)}
.track-list a:hover{background:var(--lamp)}
.track-list a::before{content:"0" counter(t);font-family:var(--f-mono);font-size:12px;color:var(--filament-text);letter-spacing:.08em}
.track-list b{font-family:var(--f-display);font-size:19px;font-weight:650;letter-spacing:-.015em;line-height:1.2}
.track-list span{color:var(--chalk-3);font-size:14px}
.pull{font-family:var(--f-display);font-size:clamp(24px,3.4vw,34px);letter-spacing:-.025em;line-height:1.2;max-width:28ch;border-left:2px solid var(--filament);padding-left:20px;margin:0 0 40px}

.bulbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:760px){.bulbs{grid-template-columns:minmax(0,1fr)}}
.bulb{background:var(--desk);border-radius:var(--r-l);box-shadow:var(--lift);padding:24px;display:flex;flex-direction:column;gap:10px}
.bulb i{width:16px;height:16px;border-radius:50%;border:2px solid var(--chalk-4)}
.bulb.lit i{background:var(--filament);border-color:var(--filament);box-shadow:0 0 18px var(--glow)}
.bulb.flick i{background:linear-gradient(90deg,var(--filament) 50%,transparent 50%);border-color:var(--filament);box-shadow:0 0 10px var(--glow-soft)}
.bulb b{font-family:var(--f-display);font-size:22px;letter-spacing:-.02em}
.bulb small{font-family:var(--f-mono);font-size:12px;color:var(--chalk-3);letter-spacing:.06em;text-transform:uppercase}
.bulb p{color:var(--chalk-2);font-size:15px}

.cta{text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px;padding:96px 0 24px}
.cta h2{font-size:clamp(36px,6vw,64px);letter-spacing:-.04em;line-height:1}
.cta p{color:var(--chalk-2);font-size:18px;max-width:46ch}

/* ---------- Learn ---------- */
.page-head{padding:48px 0 32px;display:flex;flex-direction:column;gap:14px;max-width:760px}
.page-head h1{font-size:clamp(38px,6vw,60px);letter-spacing:-.04em;line-height:1}
.page-head p{font-size:18px;color:var(--chalk-2)}
.crumbs{font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;color:var(--chalk-3);display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--chalk-2);text-decoration:none}
.crumbs a:hover{color:var(--chalk);text-decoration:underline}
.group{display:flex;flex-direction:column;gap:12px;margin-top:40px}
.group > h2{font-size:14px;font-family:var(--f-mono);font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--chalk-3)}
.subjects{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.subj{display:flex;flex-direction:column;gap:10px;background:var(--desk);border-radius:var(--r-l);box-shadow:var(--lift);padding:20px 22px;text-decoration:none;color:var(--chalk);min-height:132px;transition:background-color .2s var(--ease)}
a.subj:hover{background:var(--lamp)}
.subj b{font-family:var(--f-display);font-size:20px;font-weight:650;letter-spacing:-.02em;line-height:1.15}
.subj small{color:var(--chalk-3);font-size:14px}
.subj .meter{margin-top:auto;height:4px;border-radius:2px;background:var(--wire-2);overflow:hidden}
.subj .meter i{display:block;height:100%;background:var(--filament);box-shadow:0 0 8px var(--glow)}
.subj.featured{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap;min-height:0;padding:28px;background:linear-gradient(120deg,var(--lamp),var(--desk))}
.subj.featured b{font-size:26px}
.lessons{display:flex;flex-direction:column;gap:8px;list-style:none;margin:0;padding:0}
.lessons a,.lessons .off{display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:14px;background:var(--desk);box-shadow:var(--lift);border-radius:var(--r-m);padding:14px 18px;text-decoration:none;color:var(--chalk);min-height:60px;transition:background-color .2s var(--ease)}
.lessons a:hover{background:var(--lamp)}
.lessons .off{background:transparent;color:var(--chalk-3)}
.lessons .n{font-family:var(--f-mono);font-size:13px;color:var(--chalk-3)}
.lessons .done .n{color:var(--filament-text)}
.lessons small{font-family:var(--f-mono);font-size:12px;color:var(--chalk-3)}
.res{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-top:40px}
.res > div{background:var(--inset);border-radius:var(--r-l);padding:20px 22px;display:flex;flex-direction:column;gap:10px}
.res ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px;color:var(--chalk-2);font-size:15px}

/* Lesson */
.lesson{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:64px;align-items:start}
@media (max-width:980px){.lesson{grid-template-columns:minmax(0,1fr)}.toc{display:none}}
.prose{max-width:68ch;display:flex;flex-direction:column;gap:18px;font-size:17px;line-height:1.7}
.prose section{display:flex;flex-direction:column;gap:14px}
.prose h2{font-size:26px;letter-spacing:-.02em;margin-top:28px}
.prose h3{font-size:19px}
.prose p,.prose li{color:var(--chalk-2)}
.prose ul,.prose ol{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:10px}
.prose li::marker{color:var(--chalk-4)}
.prose em{color:var(--chalk)}
.lede-l{font-size:20px!important;color:var(--chalk)!important;line-height:1.55}
.box{border-radius:var(--r-l);padding:22px 24px;display:flex;flex-direction:column;gap:12px}
.box h2,.box h3{margin:0;font-size:14px;font-family:var(--f-mono);font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--chalk-3)}
.box.aims{background:var(--desk);box-shadow:var(--lift)}
.box.aims ul{gap:8px}
.box.traps{background:var(--glow-soft)}
.box.traps h2{color:var(--filament-text)}
.box.traps li{color:var(--chalk)}
.box.try{background:var(--desk);box-shadow:var(--lift);border-left:3px solid var(--filament)}
.box.try p{color:var(--chalk)}
.card-note{position:relative;background:#f3efe3;color:#24221d;border-radius:6px 6px 6px 6px;padding:26px 26px 22px 30px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6);transform:rotate(-.6deg);font-size:15.5px;line-height:1.65;display:flex;flex-direction:column;gap:6px}
.card-note::before{content:"";position:absolute;left:18px;top:0;bottom:0;width:1px;background:rgba(190,60,60,.35)}
.card-note b{display:block;font-family:var(--f-display);font-size:20px;letter-spacing:-.01em;margin-bottom:4px;padding-bottom:8px;border-bottom:1px solid rgba(40,80,140,.25);color:#141310}
.card-note p{color:#33302a!important;margin:0}
.hooks{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;list-style:none;padding:0!important}
.hooks li{background:var(--inset);border-radius:var(--r-m);padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.hooks b{color:var(--chalk);font-weight:600;font-size:15px}
.hooks span{font-size:14px;color:var(--chalk-3)}
.qa{display:flex;flex-direction:column;gap:10px}
.qa details{background:var(--desk);border-radius:var(--r-m);box-shadow:var(--lift);padding:0 18px}
.qa summary{cursor:pointer;color:var(--chalk);font-weight:500;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"Show";font-family:var(--f-mono);font-size:12px;color:var(--chalk-3);letter-spacing:.06em;text-transform:uppercase;flex:none;padding-top:3px}
.qa details[open] summary::after{content:"Hide"}
.qa details p{padding:0 0 16px;color:var(--chalk-2)}
.toc{position:sticky;top:96px;display:flex;flex-direction:column;gap:10px}
.toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--wire-2)}
.toc a{display:block;padding:6px 0 6px 14px;margin-left:-1px;border-left:1px solid transparent;color:var(--chalk-3);text-decoration:none;font-size:14px;line-height:1.35;transition:color .2s var(--ease),border-color .2s var(--ease)}
.toc a:hover{color:var(--chalk)}
.toc a.on{color:var(--chalk);border-left-color:var(--filament)}
.endbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;background:var(--desk);box-shadow:var(--lift);border-radius:var(--r-l);padding:20px 22px;margin-top:12px}
.endbar p{color:var(--chalk-2)!important;font-size:15px}
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.pager a{display:flex;flex-direction:column;gap:4px;background:var(--desk);box-shadow:var(--lift);border-radius:var(--r-m);padding:16px 18px;text-decoration:none;color:var(--chalk);font-size:15px;line-height:1.3;transition:background-color .2s var(--ease)}
.pager a:hover{background:var(--lamp)}
.pager a small{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--chalk-3)}
.pager a.next{text-align:right;grid-column:2}
.note{background:var(--inset);border-radius:var(--r-m);padding:14px 16px;font-size:14px;color:var(--chalk-3)!important;line-height:1.55}

/* ---------- Planner ---------- */
.ph{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 24px;padding:32px 0 20px}
.ph h1{font-size:clamp(30px,4.4vw,44px);letter-spacing:-.035em}
.ph .sub{color:var(--chalk-2);font-size:15px;margin-top:6px}
.ph .sub b{color:var(--chalk);font-weight:600}
.seg{display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;background:var(--inset);padding:4px;border-radius:16px}
.seg button{border:0;background:transparent;border-radius:12px;padding:8px 14px;min-height:44px;display:flex;align-items:center;gap:8px;color:var(--chalk-2);font-weight:600;font-size:14px;white-space:nowrap;transition:background-color .2s var(--ease),color .2s var(--ease),transform .14s var(--ease)}
.seg button:hover{color:var(--chalk)}
.seg button:active{transform:scale(.97)}
.seg button[aria-pressed="true"]{background:var(--lamp);color:var(--chalk);box-shadow:var(--lift)}
.seg .b{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--chalk-4);flex:none}
.seg [data-mode="flicker"] .b{background:linear-gradient(90deg,var(--chalk-4) 50%,transparent 50%)}
.seg [aria-pressed="true"] .b{border-color:var(--filament);box-shadow:0 0 10px var(--glow)}
.seg [aria-pressed="true"][data-mode="lit"] .b{background:var(--filament)}
.seg [aria-pressed="true"][data-mode="flicker"] .b{background:linear-gradient(90deg,var(--filament) 50%,transparent 50%)}
@media (max-width:520px){.ph .seg{width:100%}.seg button{justify-content:center;padding:8px 6px}}

.board{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}
@media (max-width:940px){.board{grid-template-columns:minmax(0,1fr)}}
.desk{position:relative;background:var(--desk);border-radius:var(--r-xl);box-shadow:var(--lift);padding:32px;display:flex;flex-direction:column;gap:24px;min-width:0;overflow:hidden}
.desk::before{content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;background:radial-gradient(closest-side,var(--glow-soft),transparent);pointer-events:none;opacity:.6;transition:opacity .6s var(--ease)}
.desk.running::before{opacity:1}
@media (max-width:560px){.desk{padding:22px;border-radius:var(--r-l)}}
.desk h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.035em;line-height:1.05}
.desk .aim{color:var(--chalk-2);font-size:17px;max-width:56ch}
.desk-head{display:flex;flex-direction:column;gap:14px;position:relative}
.flow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:start;position:relative}
@media (max-width:700px){.flow{grid-template-columns:minmax(0,1fr)}.flow .timer{order:-1}}
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.st{border-radius:16px;background:transparent;transition:background-color .25s var(--ease)}
.st > button{width:100%;border:0;background:transparent;display:grid;grid-template-columns:32px minmax(0,1fr) auto;align-items:center;gap:12px;text-align:left;padding:12px 14px;min-height:56px;border-radius:16px}
.st .dot{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-family:var(--f-mono);font-size:12px;color:var(--chalk-3);box-shadow:inset 0 0 0 1.5px var(--wire-2)}
.st .lbl{font-weight:600;font-size:16px}
.st .mins{font-family:var(--f-mono);font-size:12px;color:var(--chalk-3)}
.st.past .dot{background:var(--filament);color:var(--filament-ink);box-shadow:none}
.st.now{background:var(--inset)}
.st.now .dot{box-shadow:inset 0 0 0 1.5px var(--filament);color:var(--filament-text)}
.st .body{padding:0 16px 16px 58px;display:flex;flex-direction:column;gap:12px;color:var(--chalk-2);font-size:15px}
.st .body .row{display:flex;flex-wrap:wrap;gap:8px}
@media (max-width:480px){.st .body{padding-left:16px}}
.q{background:var(--desk);border-radius:12px;box-shadow:var(--lift);padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.q .qt{color:var(--chalk);font-weight:500}
.q .a{color:var(--chalk-2)}
.timer{display:flex;flex-direction:column;align-items:center;gap:14px}
.ring{position:relative;width:208px;height:208px;display:grid;place-items:center}
.ring svg{position:absolute;inset:0;transform:rotate(-90deg)}
.ring .track{fill:none;stroke:var(--wire-2);stroke-width:6}
.ring .arc{fill:none;stroke:var(--filament);stroke-width:6;stroke-linecap:round;transition:stroke-dashoffset 1s linear}
.running .ring .arc{filter:drop-shadow(0 0 6px var(--glow))}
.ring .clock{font-family:var(--f-mono);font-size:44px;font-weight:500;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.ring .cl{position:absolute;bottom:58px;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--chalk-3)}
.timer .row{display:flex;gap:8px}
.cue{color:var(--chalk-3);font-size:14px;text-align:center;max-width:24ch;min-height:2.6em}
.desk-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--wire);padding-top:20px;position:relative}

.drill-q{font-family:var(--f-display);font-size:clamp(24px,3.4vw,32px);font-weight:650;letter-spacing:-.025em;line-height:1.2}
.drill-a{font-size:18px;color:var(--chalk);background:var(--inset);border-radius:var(--r-m);padding:18px 20px}
.pips{display:flex;gap:6px}
.pips i{width:28px;height:4px;border-radius:2px;background:var(--wire-2)}
.pips i.on{background:var(--filament)}
.pips i.miss{background:var(--chalk-4)}

.rail{display:flex;flex-direction:column;gap:16px}
.tile{background:var(--desk);border-radius:var(--r-l);box-shadow:var(--lift);padding:22px;display:flex;flex-direction:column;gap:14px}
.tile h3{font-size:12px;font-family:var(--f-mono);font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--chalk-3)}
.big{font-family:var(--f-display);font-size:48px;font-weight:700;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.big small{font-size:20px;color:var(--chalk-3);font-weight:600;letter-spacing:-.01em}
.week{display:flex;gap:8px;flex-wrap:wrap}
.week i{width:14px;height:14px;border-radius:50%;box-shadow:inset 0 0 0 1.5px var(--wire-2)}
.week i.on{background:var(--filament);box-shadow:0 0 10px var(--glow)}
.week i.pop{animation:pop .6s var(--ease)}
@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.25)}100%{transform:scale(1)}}
.tile .muted{color:var(--chalk-3);font-size:14px}
.tile .proj{color:var(--chalk-2);font-size:15px;line-height:1.5}
.tile .proj strong{color:var(--chalk)}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;color:var(--chalk-2)}
select{appearance:none;-webkit-appearance:none;width:100%;min-height:44px;border:0;border-radius:12px;padding:10px 38px 10px 14px;font:inherit;font-size:15px;color:var(--chalk);background-color:var(--inset);box-shadow:inset 0 0 0 1px var(--wire);
  background-image:linear-gradient(45deg,transparent 50%,var(--chalk-3) 50%),linear-gradient(135deg,var(--chalk-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 52%,calc(100% - 15px) 52%;background-size:5px 5px;background-repeat:no-repeat;cursor:pointer}
.seg.pace{display:grid;grid-template-columns:repeat(3,1fr)}
.seg.pace button{flex-direction:column;gap:0;justify-content:center;padding:6px}
.seg.pace b{font-family:var(--f-display);font-size:20px}
.seg.pace small{font-size:11px;color:var(--chalk-3);font-weight:500}
textarea{width:100%;min-height:72px;border:0;border-radius:12px;padding:12px 14px;font-family:var(--f-mono);font-size:12px;line-height:1.5;color:var(--chalk);background:var(--inset);box-shadow:inset 0 0 0 1px var(--wire);resize:vertical;word-break:break-all}
details.more > summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;min-height:32px}
details.more > summary::-webkit-details-marker{display:none}
details.more > summary::after{content:"+";font-family:var(--f-mono);color:var(--chalk-3)}
details.more[open] > summary::after{content:"\2212"}
details.more .inner{display:flex;flex-direction:column;gap:12px;padding-top:12px}
.msg{font-size:14px;color:var(--chalk-3)}

.strip{margin-top:40px;display:flex;flex-direction:column;gap:12px}
.strip .head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.plan{margin-top:48px;display:flex;flex-direction:column;gap:12px}
.plan > h2{font-size:clamp(26px,3.4vw,34px);letter-spacing:-.03em;margin-bottom:8px}
.pgroup{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--chalk-3);margin:20px 0 4px}
details.subj-row{background:var(--desk);border-radius:var(--r-l);box-shadow:var(--lift)}
details.subj-row > summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:minmax(0,1fr) 120px auto;align-items:center;gap:16px;padding:16px 20px;min-height:64px}
details.subj-row > summary::-webkit-details-marker{display:none}
details.subj-row h3{font-size:19px;letter-spacing:-.015em}
.pmeter{height:4px;border-radius:2px;background:var(--wire-2);overflow:hidden}
.pmeter i{display:block;height:100%;background:var(--filament)}
.pcount{font-family:var(--f-mono);font-size:13px;color:var(--chalk-3);min-width:48px;text-align:right}
@media (max-width:520px){details.subj-row > summary{grid-template-columns:minmax(0,1fr) auto}.pmeter{display:none}}
.subj-body{padding:0 12px 14px;display:flex;flex-direction:column;gap:2px}
.subj-body .about{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;padding:0 8px 12px;color:var(--chalk-3);font-size:14px}
.sess{display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:8px;padding:4px 8px;border-radius:12px;min-height:52px}
.sess:hover{background:var(--wire)}
.sess.is-next{background:var(--inset)}
.sess .t{font-size:15px;color:var(--chalk)}
.sess.done .t{color:var(--chalk-3)}
.sess .acts{display:flex;gap:4px;align-items:center}
.sess .acts a,.sess .acts button.mini-b{font-size:13px;color:var(--chalk-2);background:none;border:0;padding:6px 8px;border-radius:8px;text-decoration:none;min-height:32px;display:inline-flex;align-items:center}
.sess .acts a:hover,.sess .acts button.mini-b:hover{background:var(--wire);color:var(--chalk)}
@media (max-width:520px){.sess{grid-template-columns:44px minmax(0,1fr)}.sess .acts{grid-column:2}}
.check{width:44px;height:44px;border:0;background:transparent;display:grid;place-items:center;border-radius:50%}
.check span{width:22px;height:22px;border-radius:50%;box-shadow:inset 0 0 0 1.5px var(--chalk-4);display:grid;place-items:center;color:var(--filament-ink);transition:background-color .2s var(--ease),box-shadow .2s var(--ease),transform .14s var(--ease)}
.check:hover span{box-shadow:inset 0 0 0 1.5px var(--chalk-2)}
.check:active span{transform:scale(.9)}
.check[aria-pressed="true"] span{background:var(--filament);box-shadow:0 0 10px var(--glow)}
.check svg{width:14px;height:14px}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);opacity:0;background:var(--shade);color:var(--chalk);box-shadow:var(--lift),0 20px 40px -12px rgba(0,0,0,.6);border-radius:14px;padding:14px 18px;display:flex;align-items:center;gap:12px;font-size:15px;z-index:50;pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease);max-width:calc(100vw - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast i{width:10px;height:10px;border-radius:50%;background:var(--filament);box-shadow:0 0 12px var(--glow);flex:none}
.lit-up{animation:litup 1.2s var(--ease)}
@keyframes litup{0%{transform:scaleY(.3)}40%{transform:scaleY(1.35);box-shadow:0 0 18px var(--glow)}100%{transform:scaleY(1)}}
@media (prefers-reduced-motion:reduce){.lit-up,.week i.pop{animation:none}.ring .arc{transition:none}}