/* Audeno — a quiet editorial system. No visible borders: hierarchy comes from
   type, spacing, colour and elevation. Cover themes are appended by build.py. */
*,*::before,*::after{box-sizing:border-box}
:root{
  --paper:#f6f6f0;--surface:#fefdfa;--raised:#fff;--wash:#eeefe7;
  --ink:#263b2e;--ink-2:#506055;--mute:#68756b;--tint:#dbe6d9;
  --signal:#476e54;--signal-ink:#fff;--progress:#dce2d7;
  --book-paper:#dbe6d9;--book-ink:#2e4a3a;
  --serif:ui-serif,"New York","Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --wrap:1248px;--gutter:48px;--radius:24px;--header:80px;--section-space:128px;
  --lift:0 18px 42px -24px rgba(38,59,46,.24);
  --cover-shadow:0 8px 18px -12px rgba(38,59,46,.2);
  --focus:0 0 0 5px color-mix(in srgb,var(--signal) 22%,transparent);
  color-scheme:light
}
@media(prefers-color-scheme:dark){:root{
  --paper:#141c17;--surface:#1c2720;--raised:#27332b;--wash:#1f2b23;
  --ink:#edf2e8;--ink-2:#c3cfc1;--mute:#a0afa0;--tint:#2c4031;
  --signal:#b5d4b3;--signal-ink:#142119;--progress:#3d4c40;
  --lift:0 18px 42px -24px rgba(0,0,0,.6);
  --cover-shadow:0 16px 32px -10px rgba(0,0,0,.42);color-scheme:dark
}}
html{background:var(--paper);-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:0}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-kerning:normal}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%;height:auto}
p,ul,ol,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3,h4{margin:0;font-weight:500;line-height:1.16;letter-spacing:-.025em;text-wrap:balance}
p{text-wrap:pretty}
button,summary{font:inherit;color:inherit}
button{border:0}
button,a,summary{-webkit-tap-highlight-color:transparent}
::selection{background:var(--tint);color:var(--ink)}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:fixed;left:16px;top:-80px;z-index:50;background:var(--ink);color:var(--paper);padding:12px 20px;border-radius:14px}
.skip:focus{top:16px}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.narrow{max-width:760px;margin-inline:auto}
.serif{font-family:var(--serif)}
.mute{color:var(--mute)}
.link{color:var(--signal);text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;text-decoration-color:color-mix(in srgb,currentColor 35%,transparent);transition:color .2s,text-decoration-color .2s}
.link:hover{text-decoration-color:currentColor}
main{min-height:55vh}
main section[id]{scroll-margin-top:calc(var(--header) + 24px)}
main .section[id]{scroll-margin-top:calc(var(--header) + 88px - var(--section-space))}
/* Navigation and controls */
.top{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.top .wrap{height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:32px}
.logo{display:inline-flex;align-items:center;gap:11px;flex:none;font-size:23px;font-weight:600;letter-spacing:-.05em;line-height:1}
.logo svg{width:30px;height:30px;color:var(--signal)}
.nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:500}
.nav a{color:var(--ink-2);transition:color .2s}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.nav .lang{font-size:12px;letter-spacing:.04em;padding:8px 10px;border-radius:9px;background:var(--wash)}
.nav .btn-primary{color:var(--paper)}
.mobile-menu{display:none;position:relative}
.menu-toggle{list-style:none;cursor:pointer;width:44px;height:44px;display:grid;place-items:center;background:var(--wash);border-radius:50%}
.menu-toggle::-webkit-details-marker{display:none}
.menu-toggle svg{width:20px;height:20px}
.menu-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.menu-close{display:none}
.mobile-menu[open] .menu-open{display:none}
.mobile-menu[open] .menu-close{display:block}
.mobile-menu-actions{display:flex;align-items:center;gap:16px;margin:12px 0 0;padding:0 16px 8px}
.mobile-menu-actions .lang{font-size:13px;font-weight:500;flex:none}
.mobile-nav{position:absolute;right:0;top:56px;width:min(340px,calc(100vw - 48px));max-height:calc(100vh - var(--header) - 24px);max-height:calc(100dvh - var(--header) - 24px);overflow-y:auto;overscroll-behavior:contain;padding:18px;background:var(--raised);border-radius:24px;box-shadow:0 24px 64px -20px rgba(20,40,26,.3)}
.mobile-nav{display:flex;flex-direction:column;gap:4px}
.mobile-nav>a{padding:12px 16px;border-radius:12px;font-size:17px}
.mobile-nav>a:hover,.mobile-nav>a[aria-current]{background:var(--wash)}
.mobile-menu-actions .btn{flex:1;min-height:44px;font-size:14px}
.mobile-menu-actions .lang{color:var(--signal)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:13px 24px;border-radius:999px;font-size:15px;line-height:1.35;font-weight:500;letter-spacing:-.01em;text-align:center;transition:background .2s,box-shadow .2s}
.btn svg{width:15px;height:15px;flex:none}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{box-shadow:var(--lift)}
.btn-quiet{background:var(--wash);color:var(--ink)}
.btn-quiet:hover{background:var(--tint)}
.btn-small{min-height:42px;padding:10px 18px;font-size:14px}
.ctas{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
/* No Apple artwork while the app is not on the App Store: a plain status line, text that does not look like a
   button. Once it is live, build.py uses Apple's own badge (assets/img/badges/app-store-<lang>.svg) or a plain text link. */
.store{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 22px;border-radius:16px;background:var(--ink);color:var(--paper);font-size:16px;font-weight:600;letter-spacing:-.01em;line-height:1.25;text-align:center}
.store--soon{display:block;min-height:0;padding:0;border-radius:0;background:none;color:inherit;font-size:17px;font-weight:600;text-align:left}
.store-badge{display:inline-block;border-radius:9px}
.store-badge img{height:53px;width:auto}
/* Type and section rhythm */
.eyebrow{display:block;font-size:14px;line-height:1.5;font-weight:400;letter-spacing:0;color:var(--ink-2)}
.display{font-family:var(--serif);font-weight:400;letter-spacing:-.045em;line-height:1.08;overflow-wrap:anywhere}
.h-xl{font-size:clamp(42px,5.1vw,70px)}
.h-l{font-size:clamp(36px,4.2vw,56px)}
.h-m{font-size:clamp(28px,3.1vw,40px)}
.h-s{font-size:23px}
.lede{font-size:19px;line-height:1.65;color:var(--ink-2);max-width:580px}
.section{padding-top:var(--section-space)}
.section-head{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:end;margin-bottom:44px}
.section-head .lede{max-width:460px;justify-self:end}
.section-head--stack{display:block;max-width:780px}
.section-head--stack .lede{margin-top:20px}
/* Product imagery */
.phone{position:relative;width:100%;max-width:330px;aspect-ratio:1320/2868;padding:2%;border-radius:16% / 7.4%;background:#152018;box-shadow:0 28px 56px -24px rgba(20,40,26,.32)}
.phone img{width:100%;height:100%;object-fit:cover;border-radius:14.5% / 6.7%;background:var(--surface)}
.phone::after{content:"";position:absolute;left:50%;top:2.8%;width:29%;height:3.3%;transform:translateX(-50%);border-radius:999px;background:#152018}
.cover{display:block;position:relative;overflow:hidden;aspect-ratio:5/7;border-radius:3px 7px 7px 3px;background:var(--surface);box-shadow:var(--cover-shadow)}
.cover img{width:100%;height:100%;object-fit:cover}

/* Home */
.hero{display:grid;grid-template-columns:1.16fr 1fr;gap:56px;align-items:center;padding-top:56px}
.hero h1{margin-top:18px;font-size:clamp(42px,4.55vw,64px);line-height:1.09;max-width:660px;text-wrap:pretty}
.hero .lede{margin-top:26px;font-size:18px;max-width:520px}
.hero .ctas{margin-top:32px}
.hero .note{margin-top:20px;max-width:470px;font-size:12px;line-height:1.8;color:var(--mute)}
.stage{position:relative;height:608px;isolation:isolate}
.stage .phone{position:absolute;width:260px;left:50%;top:24px;transform:translateX(-50%);z-index:2}




.shelf{margin-top:72px;padding:32px;border-radius:28px;background:var(--wash)}
.shelf ul{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:24px}
.shelf .cover{width:100%}
.shelf figcaption{margin-top:16px;font-size:12px;line-height:1.45}
.shelf figcaption b{display:block;font-weight:500}
.shelf figcaption span{display:block;color:var(--mute);margin-top:4px}
.shelf .count{display:flex;justify-content:space-between;margin-top:24px;font-size:13px;color:var(--mute)}
.areas{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 56px}
.area{display:flex;align-items:flex-start;gap:24px;padding:0;background:none}
.area:hover h3{color:var(--signal)}
.area .cover{width:64px;flex:none}
.area .label{display:block;font-size:13px;line-height:1.5;font-weight:500;color:var(--ink-2)}
.area h3{margin-top:10px;font-family:var(--serif);font-weight:400;font-size:23px;line-height:1.22;letter-spacing:-.03em}
.area p{margin-top:14px;font-size:12px;line-height:1.6;color:var(--mute)}
.area .go{display:block;margin-top:20px;font-size:12px;color:var(--signal);font-weight:500}


.listen{display:grid;grid-template-columns:.75fr 1.25fr;gap:64px;align-items:center;padding:56px;border-radius:32px;background:var(--tint)}
.listen>div:first-child{display:flex;flex-direction:column;align-items:center}
.listen .cover{width:230px;box-shadow:0 24px 44px -14px rgba(38,59,46,.24)}
.listen .cap{max-width:260px;margin-top:22px;color:var(--ink-2);font-size:13px;text-align:center}
.listen h2{margin-top:0}
.listen .lede{margin-top:16px;font-size:17px}
.listen .tracks{margin-top:28px}
.idea{display:grid;grid-template-columns:5fr 7fr;gap:96px;align-items:start}
.idea blockquote{font-family:var(--serif);font-size:clamp(29px,3vw,38px);line-height:1.35;letter-spacing:-.03em;color:var(--signal)}
.idea blockquote footer{margin-top:24px;max-width:340px;font-family:var(--sans);font-size:13px;line-height:1.6;color:var(--mute);letter-spacing:0}
.idea .body{margin-top:28px}
.idea .body p{font-family:var(--serif);font-size:21px;line-height:1.7;color:var(--ink-2)}
.idea .body p+p{margin-top:20px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px;list-style:decimal;padding-left:22px}
.step{padding:0 16px 0 8px}
.step::marker{font-family:var(--sans);font-size:14px;color:var(--mute)}

.step h3{font-size:22px;line-height:1.3}
.step p{margin-top:14px;color:var(--ink-2);font-size:16px}
.screens{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;align-items:start;padding:40px 28px 32px;background:var(--wash);border-radius:32px}
.screens .phone{box-shadow:0 16px 30px -18px rgba(20,40,26,.3)}

.screens figcaption{margin-top:24px}
.screens figcaption b{display:block;font-size:15px;font-weight:500;line-height:1.4}
.screens figcaption span{display:block;margin-top:8px;font-size:13px;line-height:1.6;color:var(--ink-2)}
.figures{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.figures>div{padding:24px 0}
.figures b{display:block;font-family:var(--serif);font-weight:400;font-size:56px;line-height:1;letter-spacing:-.045em;color:var(--signal)}
.figures span{display:block;max-width:220px;margin-top:16px;font-size:14px;line-height:1.6;color:var(--ink-2)}
.inside{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:40px}
.inside h3{font-size:18px;line-height:1.35}
.inside p{margin-top:12px;font-size:15px;color:var(--ink-2)}
.offer{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.offer>div{padding:44px;border-radius:28px;background:var(--surface)}
.offer .paid{background:var(--ink);color:var(--paper)}
.offer h3{font-family:var(--serif);font-size:31px;font-weight:400;letter-spacing:-.035em}
.offer .price{display:block;margin-top:8px;font-size:14px;opacity:.8}
.offer ul{margin-top:28px}
.offer li{position:relative;padding-left:26px;font-size:16px;line-height:1.6}
.offer li+li{margin-top:14px}
.offer li::before{content:"✓";position:absolute;left:0;top:0;font-size:14px;opacity:.7}
.offer .paid .btn-primary{background:var(--paper);color:var(--ink);margin-top:32px}
.offer .paid .store{background:color-mix(in srgb,var(--paper) 12%,transparent);color:var(--paper);margin-top:28px}
.offer .note{margin-top:24px;font-size:13px;opacity:.78}
.founder{max-width:860px;margin-inline:auto;padding:0;background:none}

.founder p{font-family:var(--serif);font-size:25px;line-height:1.5;max-width:800px;margin-top:18px}
.founder .sig{margin-top:24px;font-family:var(--sans);font-size:13px;color:var(--mute)}
.founder .link{display:inline-block;margin-top:20px;font-size:14px}
.faq{display:grid;gap:8px;max-width:920px}
.faq details{background:none}

.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:20px 0;font-size:17px;line-height:1.5;font-weight:500;letter-spacing:-.015em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";display:grid;place-items:center;width:28px;height:28px;background:none;flex:none;font-size:22px;font-weight:300;line-height:1;color:var(--signal);transition:transform .2s}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 24px;max-width:800px;color:var(--ink-2);font-size:16px;line-height:1.75}
.band{margin-top:128px;display:grid;grid-template-columns:1fr auto;gap:64px;align-items:center;padding:64px;border-radius:32px;background:#263b2e;color:#f6f6f0;overflow:hidden}
.band>div{min-width:0}
.band .display{max-width:760px}
.band .lede{color:#c9d9cc;margin-top:24px;font-size:18px}
.band .store{background:#f6f6f0;color:#263b2e}
.band .store--soon{background:none;color:#f6f6f0}


.band .ctas{margin-top:32px}
.band--book .cover{width:180px;}
/* Audio: native fallback, progressively enhanced controls */
.tracks{display:flex;flex-direction:column;gap:12px}
.track{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:14px;align-items:center;padding:18px;border-radius:18px;background:var(--surface);transition:background .2s}
.track .meta{min-width:0}
.track .role{display:block;font-size:10px;line-height:1.5;font-weight:500;letter-spacing:.07em;text-transform:uppercase;color:var(--mute)}
.track h3{margin-top:5px;font-size:15px;font-weight:500;line-height:1.4;letter-spacing:-.01em;text-wrap:pretty}
.track .time{font-size:12px;color:var(--mute);font-variant-numeric:tabular-nums;white-space:nowrap}
.track .read{display:inline-block;margin-top:7px;font-size:12px;color:var(--signal)}
.track .read:hover{text-decoration:underline;text-underline-offset:4px}
.track audio{grid-column:1/-1;width:100%;margin-top:6px}
.play{width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--paper);display:grid;place-items:center;cursor:pointer;transition:transform .2s,background .2s}
.play:hover{transform:scale(1.06)}
.play svg{width:16px;height:16px}
.play .i-pause{display:none}
.track.is-playing{background:var(--raised)}
.track.is-playing .play .i-play{display:none}
.track.is-playing .play .i-pause{display:block}
.track.is-loading .play{opacity:.65}
.track-status{display:block;margin-top:8px;color:var(--ink-2);font-size:12px;line-height:1.5}
.track-status[hidden]{display:none}
.bar{grid-column:2/-1;height:22px;position:relative;cursor:pointer;display:none;border-radius:999px;touch-action:none;background:linear-gradient(var(--progress),var(--progress)) center/100% 4px no-repeat}
.bar i{position:absolute;left:0;top:9px;height:4px;width:0;border-radius:999px;background:var(--signal);pointer-events:none}
.bar:focus-visible{box-shadow:var(--focus)}
html:not(.js) .track{grid-template-columns:minmax(0,1fr) auto}
html:not(.js) .track .play{display:none}
.js .track audio{display:none}
.js .track.is-started .bar{display:block}
/* Contextual next steps: always visible after previews; completion is user-driven. */
.section-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;margin-top:32px}
.listen-followup{margin-top:32px}
.listen-followup h3{font-family:var(--serif);font-size:27px;font-weight:400;line-height:1.25;letter-spacing:-.03em}
.listen-followup>p{margin-top:12px;max-width:580px;color:var(--ink-2);font-size:15px;line-height:1.7}
.listen-followup .ctas{margin-top:22px}
.listen-followup>.link{display:inline-block;margin-top:18px;font-size:13px}
.listen-followup .btn{font-size:14px;padding-inline:20px}
.availability-note{font-size:12px!important;line-height:1.65;opacity:.8;margin-top:16px}
.track{scroll-margin-top:calc(var(--header) + 88px)}
.track-links{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 16px}
.track .course-link{font-weight:500}
.track-completion{grid-column:1/-1;padding:18px;border-radius:14px;background:var(--tint)}
.completion-label{display:block;font-size:12px;line-height:1.5;color:var(--ink-2)}
.track-completion p{margin-top:8px;font-size:14px;line-height:1.6}
.track-completion .btn{margin-top:14px;max-width:100%;font-size:12px}
.lessonplayer{margin-bottom:24px}
.lesson-followup{margin-bottom:48px;padding:24px;border-radius:20px;background:var(--tint)}
.lesson-followup>p{font-size:16px;line-height:1.6;margin-bottom:18px}
.lesson-followup .ctas{margin-top:18px;font-size:13px;gap:12px 20px}
.reader-start{margin-top:0;margin-bottom:28px}
.aside-cta{grid-template-columns:56px minmax(0,1fr)}
.aside-cta>.ctas{grid-column:2}
.app-destination{max-width:240px}
.app-destination p{font-size:13px;line-height:1.7;color:#c9d9cc;margin-top:18px}
.band .btn-primary{background:#f6f6f0;color:#263b2e}
.band .btn-quiet{background:#3a4f40;color:#f6f6f0}
.band .btn-quiet:hover{background:#47624e}
.offer>div>.ctas{margin-top:28px}
.offer .paid .link{color:inherit}
.offer .paid .ctas .btn-primary{margin-top:0}
.module .lesson.locked:hover{background:var(--tint)}
@media(max-width:640px){
 .listen-followup h3{font-size:25px}.listen-followup>p{font-size:14px}
 .listen-followup .ctas{align-items:stretch;flex-direction:column}
 .listen-followup .btn{min-height:48px;font-size:13px;width:100%}
 .section-actions{gap:12px 16px;margin-top:24px}
 .track-completion{padding:16px}.track-completion p{font-size:13px}
 .lesson-followup{padding:22px;margin-bottom:36px}.lesson-followup>p{font-size:15px}
 .aside-cta>.ctas{grid-column:1/-1}.app-destination{max-width:100%}
}

/* Book landings */
.crumbs{display:flex;flex-wrap:wrap;gap:6px 8px;padding-top:24px;font-size:12px;line-height:1.7;color:var(--mute)}
.crumbs a:hover{color:var(--signal)}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.5}
.bookhero{display:grid;grid-template-columns:1.35fr .8fr;gap:64px;align-items:center;margin-top:24px;padding:56px;border-radius:32px;background:var(--book-paper);color:var(--book-ink)}
.bookhero .eyebrow{color:var(--book-ink)}
.bookhero h1{margin-top:0;font-size:clamp(38px,4.1vw,58px)}
.bookhero .work{margin-top:24px;font-size:15px;line-height:1.7}
.bookhero .work b{font-weight:600}
.bookhero .lede{margin-top:16px;font-size:17px;color:color-mix(in srgb,var(--book-ink) 88%,transparent)}
.bookhero .ctas{margin-top:28px}
.bookhero .btn-primary{background:var(--book-ink);color:var(--book-paper)}
.bookhero .btn-quiet{background:color-mix(in srgb,var(--book-ink) 9%,transparent);color:var(--book-ink)}
.bookhero .btn-quiet:hover{background:color-mix(in srgb,var(--book-ink) 16%,transparent)}
.bookhero>.cover{width:100%;max-width:260px;justify-self:center;}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:36px}
.stats div b{display:block;font-family:var(--serif);font-weight:400;font-size:29px;line-height:1;letter-spacing:-.035em}
.stats div span{display:block;margin-top:7px;font-size:11px;line-height:1.5;opacity:.8}
.tabs{position:sticky;top:var(--header);z-index:20;margin-top:24px;background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.tabs ul{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;align-items:center;padding-block:12px}
.tabs ul::-webkit-scrollbar{display:none}
.tabs a{display:block;padding:10px 16px;white-space:nowrap;border-radius:999px;font-size:13px;line-height:1.5;color:var(--ink-2);transition:background .2s}
.tabs a:hover,.tabs a[aria-current]{background:var(--tint);color:var(--ink)}
.scene{display:grid;grid-template-columns:5fr 7fr;gap:96px;align-items:start}
.scene h2{position:sticky;top:calc(var(--header) + 104px)}
.scene .body p{font-family:var(--serif);font-size:21px;line-height:1.75;color:var(--ink-2)}
.scene .body p:first-child{font-size:25px;line-height:1.5;color:var(--ink)}
.scene .body p+p{margin-top:24px}
.changes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 56px}
.changes>div{padding:0;background:none}
.changes h3{font-family:var(--serif);font-weight:400;font-size:27px;line-height:1.25}
.changes p{margin-top:16px;color:var(--ink-2);font-size:16px}
.whom{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.whom li{padding:24px 0;font-family:var(--serif);font-size:23px;line-height:1.5;color:var(--ink-2)}
.programme{display:grid;grid-template-columns:4fr 8fr;gap:80px;align-items:start}
.programme aside{position:sticky;top:calc(var(--header) + 104px)}
.programme aside p{margin-top:20px;font-size:15px;color:var(--ink-2)}
.module+.module{margin-top:12px}
.module{padding:8px;border-radius:20px;background:var(--wash)}
.module summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:minmax(0,1fr) 28px;gap:6px 20px;align-items:center;padding:20px}
.module summary::-webkit-details-marker{display:none}
.module-title{font-size:17px;line-height:1.45;font-weight:500;letter-spacing:-.015em}
.module-meta{grid-column:1;font-size:12px;line-height:1.6;color:var(--mute)}
.module summary::after{content:"+";grid-column:2;grid-row:1/3;display:grid;place-items:center;width:28px;height:28px;background:none;color:var(--signal);font-size:22px;font-weight:300}
.module[open] summary::after{content:"−"}
.module ol{display:grid;gap:8px;padding-top:4px}
.module .lesson.free{background:none}
.module a.lesson:hover{background:var(--surface)}
.lesson{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:16px;align-items:baseline;padding:20px;border-radius:12px;background:none}
.lesson>div{min-width:0}
.lesson .n{font-family:var(--serif);font-size:21px;color:var(--mute)}
.lesson h4{font-size:16px;line-height:1.45;letter-spacing:-.015em;font-weight:500;text-wrap:pretty}
.lesson p{margin-top:8px;font-size:13px;line-height:1.6;color:var(--ink-2)}
.lesson .tag{font-size:11px;white-space:nowrap;color:var(--mute);display:inline-flex;align-items:center;gap:5px}
.lesson .tag svg{width:11px;height:11px}
.lesson.free{background:none}
.lesson.free .tag{color:var(--signal);font-weight:500}
a.lesson:hover{background:var(--tint)}
.section-tight{margin-top:32px}
.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}
.quote{display:flex;flex-direction:column;justify-content:space-between;gap:24px;padding:0;background:none;color:var(--ink)}
.quote p{font-family:var(--serif);font-size:23px;line-height:1.5;letter-spacing:-.015em}
.quote footer{font-size:12px;line-height:1.7;opacity:.8}
.quote .link{color:inherit}
.quote--long p{font-size:19px;line-height:1.6}
.more{margin-top:28px}
.thebook{display:grid;grid-template-columns:4fr 8fr;gap:80px;align-items:start}
.thebook>.cover{width:100%;max-width:260px;position:sticky;top:calc(var(--header) + 104px)}
.thebook h2{margin-top:16px}
.thebook .lede{margin-top:24px;font-size:18px}
.thebook .lede+.mute{margin-top:16px;font-size:13px}
.book-contents{margin-top:24px}
.book-contents summary{display:flex;justify-content:space-between;align-items:center;gap:20px;list-style:none;cursor:pointer;padding:18px 20px;border-radius:14px;background:var(--wash);font-size:14px;font-weight:500}
.book-contents summary::-webkit-details-marker{display:none}
.book-contents summary::after{content:"+";font-size:22px;font-weight:300;line-height:1;color:var(--signal);transition:transform .2s}
.book-contents[open] summary::after{content:"−"}
.chapters{columns:2;column-gap:24px;margin-top:16px}
.chapters li{break-inside:avoid;margin-bottom:8px;font-size:14px;line-height:1.5}
.chapters a{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:12px 16px;background:var(--surface);border-radius:12px}
.chapters a:hover{background:var(--tint)}
.chapters li>span{display:block;padding:12px 16px;background:var(--surface);border-radius:12px}
.chapters .no{color:var(--mute);font-size:12px;font-variant-numeric:tabular-nums}
.author{max-width:800px;padding:0;background:none}

.author .dates{color:var(--mute);margin-top:8px;font-size:13px}
.author p{margin-top:20px;color:var(--ink-2);max-width:740px;font-size:16px}
.related{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:28px}
.related figcaption{margin-top:18px;font-size:12px;line-height:1.5}
.related figcaption b{font-weight:500}
.related figcaption span{color:var(--mute)}
/* Readers and transcripts */
.reader{max-width:720px;margin-inline:auto}
.reader .head{padding:64px 0 40px;margin-bottom:16px}
.reader .head .from,.lessonhead .from{font-size:12px;line-height:1.7;color:var(--mute)}
.reader .head h1{margin-top:0;hyphens:auto}
.reader .head .from+h1{margin-top:20px}
.reader .head .lede{margin-top:24px;font-size:17px}
.reader .head .byline{margin-top:16px;font-size:13px;line-height:1.6;color:var(--mute)}
.transcript-heading{font-size:18px;font-weight:500;letter-spacing:-.01em;margin-bottom:24px}
.reader-tools{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;font-size:13px}
.prose{overflow-wrap:anywhere;font-family:var(--serif);font-size:21px;line-height:1.8;color:var(--ink)}
.prose p+p{margin-top:1em}
.prose h2{font-family:var(--serif);font-size:29px;font-weight:400;line-height:1.3;margin:1.6em 0 .8em}
.prose h3{font-family:var(--serif);font-size:24px;line-height:1.4;margin:1.4em 0 .6em}
.prose .verse{font-style:italic;white-space:pre-line;padding:24px 28px;background:var(--wash);border-radius:18px}
.prose .note{font-family:var(--sans);font-size:14px;line-height:1.75;color:var(--ink-2)}
.prose .sep{text-align:center;color:var(--mute);letter-spacing:.6em;margin-block:32px}
.prose .index{font-family:var(--sans);font-size:14px;line-height:1.6;color:var(--ink-2);margin-top:.5em}
.prose .ed{font-family:var(--sans);font-size:14px;color:var(--mute);font-style:italic}
.prose [id]{scroll-margin-top:calc(var(--header) + 32px)}
.prose :target{background:var(--tint);border-radius:6px}
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:56px}
.pager a{display:block;padding:24px;border-radius:18px;background:var(--wash);transition:background .2s}
.pager a:hover{background:var(--tint)}
.pager span{display:block;font-size:10px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.pager b{display:block;margin-top:10px;font-size:15px;line-height:1.5;font-weight:500}
.pager .next{grid-column:2;text-align:right}
.aside-cta{display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;align-items:center;margin-top:64px;padding:24px;border-radius:24px;background:var(--surface)}
.aside-cta .cover{width:56px}
.aside-cta b{display:block;font-size:15px;font-weight:500;line-height:1.5}
.aside-cta span{color:var(--ink-2);font-size:13px;line-height:1.6}
.aside-cta .btn{padding-inline:16px;font-size:12px}
.toc{display:grid;gap:8px}
.toc a{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding:20px 24px;border-radius:14px;background:var(--surface);font-size:17px;line-height:1.5}
.toc a:hover{background:var(--tint)}
.toc .no{color:var(--mute);font-family:var(--serif);font-size:17px;flex:none}
.qlist{display:flex;flex-direction:column;gap:48px}
.qlist .quote{padding:0}
.qlist .quote p{font-size:23px}
.qlist .orig{margin-top:20px;font-style:italic;font-size:17px!important;opacity:.78}
.lessonhead{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;padding:64px 0 32px}
.lessonhead .cover{width:96px;}
.lessonhead h1{margin-top:20px}
.lessonhead .lede{margin-top:24px;font-size:17px}
.lessonplayer{margin-bottom:24px}
.lessonplayer .track{background:var(--wash)}
/* Catalogue, authors and utility pages */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 24px}
.bookcard{display:flex;flex-direction:column;align-items:flex-start;padding:0;background:none}
.bookcard:hover h3{color:var(--signal)}
.bookcard>.cover{width:100%;max-width:240px;align-self:flex-start;margin:0 0 8px}
.bookcard h3{margin-top:22px;font-family:var(--serif);font-size:28px;font-weight:400;line-height:1.2}
.bookcard .by{margin-top:10px;font-size:12px;line-height:1.6;color:var(--mute)}
.bookcard p{margin-top:16px;color:var(--ink-2);font-size:14px;line-height:1.75}
.bookcard .go{display:block;padding-top:24px;margin-top:auto;font-size:12px;font-weight:500;line-height:1.5;color:var(--signal)}
.page{padding-top:64px}
.page h1{margin-top:0}
.page .lede{margin-top:24px}
.page>.meta{margin-top:20px;font-size:13px}
.page+.section{padding-top:56px}
.prose-ui{overflow-wrap:anywhere}
.prose-ui p{color:var(--ink-2);line-height:1.8;max-width:720px}
.prose-ui p+p{margin-top:20px}
.legal h2{font-size:20px;line-height:1.35;margin:40px 0 16px}
.legal .first{font-family:var(--serif);font-size:24px;line-height:1.6;color:var(--ink)}
.mail{display:inline-block;margin-top:36px;font-family:var(--serif);font-size:clamp(25px,4vw,46px);letter-spacing:-.035em;color:var(--signal);overflow-wrap:anywhere}
.story .prose p{font-size:22px}
.story .sig{margin-top:32px;font-style:italic;color:var(--mute)}
.foot{margin-top:128px;padding:64px 0 32px;background:var(--wash);font-size:13px;line-height:1.65;color:var(--ink-2)}
.foot .cols{display:grid;grid-template-columns:1.4fr 1.15fr 1fr .8fr;gap:48px}
.foot h2{font-family:var(--sans);font-size:10px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--mute);margin-bottom:20px}
.foot li+li{margin-top:12px}
.foot a:hover{color:var(--signal)}
.foot .about{max-width:270px;line-height:1.8;margin-top:24px}
.foot .base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:56px;color:var(--mute);font-size:11px}
@media(prefers-color-scheme:dark){
  .bookhero{background:color-mix(in srgb,var(--book-ink) 72%,#101a13);color:var(--book-paper)}
  .bookhero .eyebrow{color:var(--book-paper)}
  .bookhero .lede{color:color-mix(in srgb,var(--book-paper) 85%,transparent)}
  .bookhero .btn-primary{background:var(--book-paper);color:var(--book-ink)}
  .bookhero .btn-quiet{background:color-mix(in srgb,var(--book-paper) 12%,transparent);color:var(--book-paper)}
  .bookhero .btn-quiet:hover{background:color-mix(in srgb,var(--book-paper) 20%,transparent)}
  
}
/* Tablet: retain a deliberate grid before switching to single columns. */
@media(max-width:1100px){
  :root{--gutter:32px}
  .hero{gap:32px;grid-template-columns:1.1fr 1fr}
  .hero h1{font-size:clamp(42px,4.7vw,56px)}
  .stage{height:540px}.stage .phone{width:228px;top:20px}
  .nav{gap:20px}
  .shelf{padding:24px}.shelf ul{gap:18px}
  .area{gap:20px}.area .cover{width:44px}.area h3{font-size:22px}
  .section-head,.idea,.scene{gap:56px}
  .listen{padding:40px;gap:40px}.listen .cover{width:190px}
  .bookhero{padding:40px;gap:40px}.bookhero>.cover{max-width:220px}
  .programme,.thebook{gap:48px}
  .screens{gap:18px;padding:32px 24px}.screens figcaption span{font-size:12px}
  .bookcard{padding:0}.bookcard>.cover{max-width:220px}
  .foot .cols{gap:32px}
}
@media(max-width:900px){
  .nav{display:none}.mobile-menu{display:block}
  .hero{grid-template-columns:1fr 1fr;gap:24px}.hero h1{font-size:42px}.hero .lede{font-size:16px}.hero .btn{font-size:13px;padding-inline:18px}
  .stage{height:500px}.stage .phone{width:208px;left:50%;transform:translateX(-50%)}
  .shelf ul{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin;padding:4px 4px 18px}.shelf li{flex:0 0 118px;scroll-snap-align:start}
  .areas{grid-template-columns:repeat(2,minmax(0,1fr))}
  :root{--section-space:96px}
  .section-head{gap:32px;margin-bottom:36px}
  .listen{grid-template-columns:.65fr 1.35fr;padding:32px;gap:32px}.listen .cover{width:150px}
  .idea,.scene{gap:40px}.scene .body p:first-child{font-size:23px}
  .screens{display:flex;overflow-x:auto;gap:28px;scroll-snap-type:x mandatory;scrollbar-width:thin;padding:32px}.screens figure{flex:0 0 190px;scroll-snap-align:start}.screens figcaption span{font-size:13px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bookhero{grid-template-columns:1.4fr .6fr;gap:32px;padding:32px}.bookhero>.cover{max-width:170px}.bookhero h1{font-size:40px}
  .bookhero .ctas{gap:10px}.bookhero .btn{font-size:13px;padding-inline:18px}
  .quotes{grid-template-columns:1fr}.quotes .quote{display:grid;grid-template-columns:1fr;gap:24px}.quote p{font-size:24px}
  .related{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
  .whom{gap:24px}.whom li{font-size:21px}
  .programme{grid-template-columns:1fr;gap:32px}.programme aside{position:static;max-width:600px}
  .thebook{grid-template-columns:1fr 2fr;gap:40px}.thebook>.cover{max-width:200px}
  .band{padding:48px;gap:32px;margin-top:96px}
  .foot{margin-top:96px}.foot .cols{grid-template-columns:1.2fr 1fr;gap:40px 56px}
}
@media(max-width:640px){
  :root{--gutter:24px;--header:68px;--radius:20px;--section-space:80px}
  body{font-size:16px}.logo{font-size:22px}.logo svg{width:28px;height:28px}
  .mobile-nav{width:calc(100vw - 48px)}
  .h-xl{font-size:43px}.h-l{font-size:36px}.h-m{font-size:30px}.lede{font-size:17px}
  .hero{grid-template-columns:1fr;gap:32px;padding-top:36px}.hero h1{font-size:clamp(36px,10.5vw,46px);margin-top:20px;max-width:480px;line-height:1.12}
  .hero .lede{font-size:16px;margin-top:22px;max-width:460px}.hero .ctas{margin-top:28px;gap:10px}.hero .btn{font-size:13px;min-height:48px;padding-inline:18px}.hero .note{margin-top:16px;font-size:11px}
  .stage{height:458px;max-width:400px;width:100%;margin-inline:auto}.stage .phone{width:204px;top:8px;transform:translateX(-50%)}
  .shelf{margin-top:36px;padding:24px 20px 14px;border-radius:24px}.shelf ul{gap:22px}.shelf li{flex-basis:112px}.shelf figcaption{font-size:12px;margin-top:14px}
  .section-head{grid-template-columns:1fr;gap:18px;margin-bottom:30px}.section-head .lede{justify-self:start;max-width:100%}
  .areas,.steps,.changes,.whom,.offer,.inside,.cards{grid-template-columns:1fr}
  .areas,.changes{row-gap:32px}
  .area{gap:20px}.area .cover{width:52px}.area h3{font-size:24px}.area .label{font-size:13px}.area p{font-size:13px}.area .go{margin-top:16px}
  
  .listen{grid-template-columns:1fr;padding:28px 22px;gap:28px;border-radius:24px}.listen>div:first-child{flex-direction:row;align-items:center;gap:20px}.listen .cover{width:72px;flex:none}.listen .cap{max-width:100%;text-align:left;margin-top:0;font-size:14px}.listen--samples>div:first-child{display:none}.listen h2{font-size:30px}.listen .lede{font-size:16px}.listen .tracks{margin-top:24px}
  .idea,.scene,.thebook{grid-template-columns:1fr;gap:32px}.scene h2{position:static}.idea blockquote{font-size:30px}.idea .body p{font-size:20px}
  .steps{gap:32px}.step{padding:0 0 0 8px}.step h3{font-size:22px}.step p{margin-top:10px}
  .screens{padding:28px 24px;gap:24px;border-radius:24px}.screens figure{flex-basis:180px}.screens figcaption b{font-size:15px}
  .figures{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.figures>div{padding:8px 0}.figures b{font-size:43px}.figures span{font-size:12px;margin-top:14px}
  .inside{gap:28px;margin-top:40px}.inside p{font-size:15px}
  .offer{gap:16px}.offer>div{padding:28px;border-radius:24px}.offer h3{font-size:29px}.offer li{font-size:15px}
  .founder{padding:0}.founder p{font-size:22px;margin-top:16px}
  .faq summary{font-size:16px;padding:18px 0;gap:16px}.faq details p{padding:0 0 24px;font-size:15px}
  .band{grid-template-columns:1fr;padding:36px 28px;border-radius:24px;gap:28px;margin-top:80px}.band .lede{font-size:16px;margin-top:20px}.band--book>div:last-child{display:none}
  .track{grid-template-columns:40px minmax(0,1fr) auto;gap:12px;padding:16px 14px}.play{width:40px;height:40px}.track h3{font-size:14px}.track .role{font-size:9px}.track .time{font-size:11px}.track .read{font-size:11px}
  .crumbs{font-size:11px;padding-top:20px}.crumbs li[aria-current]{max-width:100%}
  .bookhero{grid-template-columns:minmax(0,1fr);gap:28px;padding:28px 24px;margin-top:20px;border-radius:24px}.bookhero>.cover{grid-row:auto;width:132px;justify-self:start;}.bookhero h1{font-size:36px;margin-top:0}.bookhero .work{font-size:13px;margin-top:20px}.bookhero .lede{font-size:16px;margin-top:12px}.bookhero .ctas{margin-top:24px}.bookhero .btn{min-height:48px;font-size:13px}.stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:28px;gap:20px 24px;max-width:320px}.stats div b{font-size:27px}.stats div span{font-size:10px}
  .tabs{margin-top:16px}.tabs ul{gap:4px;padding-block:10px}.tabs a{padding:10px 14px;font-size:12px}
  .scene .body p{font-size:20px}.scene .body p:first-child{font-size:23px}
  .changes>div{padding:0}.changes h3{font-size:26px}.changes p{font-size:15px}
  .whom{gap:8px}.whom li{padding:12px 0;font-size:22px}
  .module summary{padding:16px}.module-title{font-size:16px}.module-meta{font-size:11px}.lesson{padding:18px 16px;gap:10px 12px;grid-template-columns:24px minmax(0,1fr)}.lesson .n{font-size:18px;grid-row:1/3;align-self:start}.lesson h4{font-size:15px}.lesson .tag{grid-column:2;grid-row:2;font-size:11px;justify-self:start}.lesson p{font-size:13px}
  .quote{padding:0}.quote p{font-size:23px}.quote--long p{font-size:19px}.quotes .quote{gap:24px}
  .thebook>.cover{position:static;width:132px}.thebook h2{margin-top:12px}.thebook .lede{font-size:17px}.chapters{columns:1}
  .author{padding:0}.author p{font-size:15px}
  .related{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px}
  .reader .head{padding:40px 0 28px;margin-bottom:16px}.reader .head h1{margin-top:0;hyphens:auto}.reader .head .from+h1{margin-top:16px}.reader .head .from,.lessonhead .from{font-size:11px}.reader .head .lede{font-size:16px;margin-top:20px}
  .legal .first{font-size:20px;text-wrap:wrap}
  .prose{font-size:20px;line-height:1.8}.prose h2{font-size:27px}.prose h3{font-size:23px}.prose .verse{padding:20px}.story .prose p{font-size:20px}
  .pager{grid-template-columns:minmax(0,1fr);gap:12px;margin-top:40px}.pager a{padding:20px}.pager .next{grid-column:1;text-align:left}.pager b{font-size:15px;overflow-wrap:anywhere}.pager span{font-size:11px}
  .aside-cta{grid-template-columns:48px minmax(0,1fr);gap:16px;padding:22px;margin-top:48px}.aside-cta .cover{width:48px}.aside-cta .btn{grid-column:1/-1;justify-self:start}.aside-cta b{font-size:14px}.aside-cta span{font-size:12px}
  .toc a{padding:18px 20px;font-size:16px}
  .qlist .quote{padding:0}.qlist .quote p{font-size:21px}
  .lessonhead{grid-template-columns:1fr;padding-top:40px;gap:24px}.lessonhead .cover{display:none}.lessonhead h1{margin-top:16px}.lessonhead .lede{font-size:16px;margin-top:20px}.lessonplayer{margin-bottom:24px}
  .bookcard{padding:0}.bookcard>.cover{max-width:190px}.bookcard h3{font-size:28px}.bookcard p{font-size:15px}
  .page{padding-top:40px}.page+.section{padding-top:40px}.page .lede{font-size:17px}
  .foot{margin-top:80px;padding:48px 0 28px}.foot .cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 28px}.foot .cols>div:first-child{grid-column:1/-1}.foot .about{max-width:380px}.foot .base{margin-top:40px;font-size:10px;gap:10px}
}
@media(max-width:360px){
  :root{--gutter:20px}.hero h1{font-size:35px}.hero .ctas{align-items:stretch;flex-direction:column}.hero .btn{width:100%}
  .stage{height:410px}.stage .phone{width:180px}
  .listen{padding-inline:20px}.track{gap:10px;padding:14px 12px}.track h3{font-size:13px}.track .time{font-size:10px}
  .foot .cols{gap:32px 20px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* book themes, written by build.py */
.b-thought{--book-paper:#DAE7F0;--book-ink:#304A60}.b-innerResources{--book-paper:#E8E1EF;--book-ink:#51465F}.b-humanMachine{--book-paper:#F2EACF;--book-ink:#4C5040}.b-repose{--book-paper:#E1EBE6;--book-ink:#31594F}.b-creativeExperience{--book-paper:#ECE9E1;--book-ink:#293D4B}.b-twentyFourHours{--book-paper:#EEDAC8;--book-ink:#293F46}.b-whyWorry{--book-paper:#F1E5D3;--book-ink:#243B33}.b-prosperity{--book-paper:#F0DBD7;--book-ink:#3C3945}.b-artOfThought{--book-paper:#E1E5F3;--book-ink:#394969}.b-simpleLife{--book-paper:#D9ECEB;--book-ink:#365D61}.b-other{--book-paper:#DCE6DF;--book-ink:#344A3D}