/* =========================================================
   MyPhatshala: shared stylesheet (used by every page)
   ========================================================= */
:root{
  --paper:#F5FAF7;
  --paper-2:#E9F3EE;
  --card:#FFFFFF;
  --ink:#1B2433;
  --ink-2:#4A5568;
  --ink-3:#7A8496;
  --line:#D5E6DD;
  --saffron:#E8772E;
  --saffron-soft:#FCE6D6;
  --green:#2F7D5B; --red:#D64545;
  --green-soft:#DDEFE6;
  --blue:#2E5AAC;
  --blue-soft:#E1E9F7;
  --board:#1F2B26;          /* chalkboard */
  --chalk:#EDEBE3;
  --radius:16px;
  --shadow:0 1px 2px rgba(27,36,51,.06),0 8px 24px -12px rgba(27,36,51,.18);
  --font-head:"Fraunces",Georgia,serif;
  --font-body:"Atkinson Hyperlegible","Segoe UI",system-ui,sans-serif;
  --font-code:"JetBrains Mono",Consolas,monospace;
  --wm-opacity:.05;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#14181F; --paper-2:#1A1F28; --card:#1E2430;
    --ink:#ECE8DF; --ink-2:#B7BFCC; --ink-3:#8590A2; --line:#2C3442;
    --saffron:#F08A45; --saffron-soft:#3A2618; --green:#4FB487; --red:#F07A6E; --green-soft:#183026;
    --blue:#7DA2E8; --blue-soft:#1A2640; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.6);
    --wm-opacity:.06;
  }
}
:root[data-theme="dark"]{
  --paper:#14181F; --paper-2:#1A1F28; --card:#1E2430;
  --ink:#ECE8DF; --ink-2:#B7BFCC; --ink-3:#8590A2; --line:#2C3442;
  --saffron:#F08A45; --saffron-soft:#3A2618; --green:#4FB487; --red:#F07A6E; --green-soft:#183026;
  --blue:#7DA2E8; --blue-soft:#1A2640; --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.6);
  --wm-opacity:.06;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 var(--font-body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
code{font-family:var(--font-code);font-size:.88em;background:var(--paper-2);padding:.1em .4em;border-radius:6px}
h1,h2,h3{font-family:var(--font-head);line-height:1.15;letter-spacing:-.01em;margin:0}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:16px;background:var(--ink);color:var(--paper);padding:8px 12px;border-radius:8px;z-index:100}

/* ---------- Watermark (tiled, faint, above content, never blocks clicks) ---------- */
body.has-watermark::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:60;opacity:var(--wm-opacity);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='320' height='200'%3E%3Ctext x='160' y='110' text-anchor='middle' transform='rotate(-24 160 100)' font-family='Georgia,serif' font-size='26' font-weight='700' fill='%23808080'%3EMyPhatshala%3C/text%3E%3C/svg%3E");
  background-repeat:repeat;
}
@media print{ body.has-watermark::after{opacity:.12} }

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-head);font-weight:700;font-size:1.3rem}
.brand svg{width:34px;height:34px}
.brand b{color:var(--saffron);font-weight:700}
.nav{display:flex;gap:4px;align-items:center}
.nav a{text-decoration:none;color:var(--ink-2);padding:8px 12px;border-radius:10px;font-size:.95rem}
.nav a:hover{background:var(--paper-2);color:var(--ink)}
.theme-btn{border:1px solid var(--line);background:var(--card);color:var(--ink);width:38px;height:38px;border-radius:10px;cursor:pointer;display:grid;place-items:center}
.theme-btn svg{width:18px;height:18px}
@media (max-width:720px){ .nav a:not(.nav__cta){display:none} }
.nav__cta{background:var(--ink);color:var(--paper)!important}
.nav__cta:hover{background:var(--saffron)!important}

/* ---------- Hero ---------- */
.hero{padding:64px 0 40px;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
@media (max-width:920px){ .hero .wrap{grid-template-columns:1fr} }
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--saffron);background:var(--saffron-soft);padding:6px 12px;border-radius:999px}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);margin:18px 0 16px}
.hero h1 em{font-style:italic;color:var(--saffron)}
.hero p.lead{font-size:1.15rem;color:var(--ink-2);max-width:56ch;margin:0 0 28px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 20px;border-radius:12px;text-decoration:none;font-weight:700;border:1.5px solid var(--ink);transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn--solid{background:var(--ink);color:var(--paper)}
.btn--solid:hover{background:var(--saffron);border-color:var(--saffron)}
.btn--ghost{background:transparent}
.hero-stats{display:flex;gap:28px;margin-top:32px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-family:var(--font-head);font-size:2rem;line-height:1}
.hero-stats span{font-size:.85rem;color:var(--ink-3)}

/* hero diagram */
.hero-visual{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:18px}
.hero-visual__tabs{display:flex;gap:8px;margin-bottom:12px;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.hero-visual__tabs span{padding:5px 10px;border-radius:8px}
.tab-see{background:var(--blue-soft);color:var(--blue)}
.tab-behind{background:var(--green-soft);color:var(--green)}
.hero-visual svg text{font-family:var(--font-body)}
.hero-visual .mono{font-family:var(--font-code)}

/* ---------- Sections ---------- */
section{padding:56px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head .kicker{font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--green)}
.section-head h2{font-size:clamp(1.8rem,3.5vw,2.5rem);margin:8px 0 10px}
.section-head p{color:var(--ink-2);margin:0}
.band{background:var(--paper-2);border-block:1px solid var(--line)}

/* about */
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
@media (max-width:860px){ .about-grid{grid-template-columns:1fr} }
.story-card{background:var(--board);color:var(--chalk);border-radius:var(--radius);padding:28px 28px 24px;position:relative;box-shadow:var(--shadow)}
.story-card::before{content:"";position:absolute;inset:10px;border:2px dashed rgba(237,235,227,.18);border-radius:12px;pointer-events:none}
.story-card h3{color:#F5C77E;font-size:1.3rem;margin-bottom:10px}
.story-card p{margin:0 0 12px;color:#D8D5CB}
.story-card .sig{font-family:var(--font-code);font-size:.85rem;color:#9FD3B8}
.promise{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.promise li{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.promise svg{flex:0 0 36px;width:36px;height:36px;color:var(--saffron)}
.promise strong{display:block}
.promise span{color:var(--ink-2);font-size:.95rem}

/* blueprint */
.blueprint{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;counter-reset:bp}
.bp{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:relative;counter-increment:bp;transition:transform .2s,box-shadow .2s}
.bp:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.bp::after{content:counter(bp,decimal-leading-zero);position:absolute;top:16px;right:18px;font-family:var(--font-head);font-size:1.6rem;color:var(--line);font-weight:700}
.bp svg{width:44px;height:44px;margin-bottom:12px}
.bp h3{font-size:1.12rem;margin-bottom:6px}
.bp p{margin:0;color:var(--ink-2);font-size:.95rem}
.bp--wide{grid-column:span 2;background:linear-gradient(135deg,var(--green-soft),var(--blue-soft))}
@media (max-width:600px){ .bp--wide{grid-column:auto} }

/* courses */
.course-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;margin-bottom:40px}
.course-card{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;box-shadow:var(--shadow);border-top:4px solid var(--accent,var(--saffron));transition:transform .2s}
.course-card:hover{transform:translateY(-3px)}
.course-card--soon{border-top-color:var(--line);box-shadow:none;background:transparent;border-style:dashed}
.course-card__icon{flex:0 0 56px;height:56px;border-radius:14px;background:var(--saffron-soft);color:var(--accent,var(--saffron));display:grid;place-items:center}
.course-card--soon .course-card__icon{background:var(--paper-2);color:var(--ink-3)}
.course-card__icon svg{width:36px;height:36px}
.course-card h3{font-size:1.35rem;margin-bottom:4px}
.course-card p{margin:0 0 10px;color:var(--ink-2);font-size:.95rem}
.course-card__meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.course-card__meta span{font-size:.78rem;background:var(--paper-2);padding:3px 8px;border-radius:6px;color:var(--ink-2)}
.progress{height:6px;background:var(--paper-2);border-radius:99px;overflow:hidden;margin-bottom:6px}
.progress span{display:block;height:100%;background:var(--green);border-radius:99px}
.course-card small{color:var(--ink-3);font-size:.8rem}

.syllabus-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.search{flex:1 1 280px;display:flex;align-items:center;gap:10px;background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:0 14px}
.search:focus-within{border-color:var(--saffron)}
.search svg{width:18px;height:18px;color:var(--ink-3);flex:0 0 18px}
.search input{border:0;background:transparent;outline:0;font:inherit;color:var(--ink);padding:12px 0;width:100%}
.ghost-btn{border:1.5px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-weight:700;font-size:.9rem;padding:11px 16px;border-radius:12px;cursor:pointer}
.ghost-btn:hover{border-color:var(--ink)}
#search-count{color:var(--ink-3);font-size:.9rem;width:100%}

.syllabus-course__title{font-size:1.5rem;margin:8px 0 14px}
.syllabus-course__title span{font-family:var(--font-body);font-size:.95rem;color:var(--ink-3);font-weight:400}
.module{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
.module summary{list-style:none;display:flex;align-items:center;gap:14px;padding:16px 18px;cursor:pointer}
.module summary::-webkit-details-marker{display:none}
.module summary:hover{background:var(--paper-2)}
.module__num{font-family:var(--font-head);font-weight:700;font-size:1.4rem;color:var(--saffron);min-width:34px}
.module__text{flex:1;display:flex;flex-direction:column}
.module__text strong{font-size:1.05rem}
.module__text em{font-style:normal;color:var(--ink-3);font-size:.9rem}
.module__count{font-size:.8rem;color:var(--ink-2);background:var(--paper-2);padding:4px 10px;border-radius:99px;white-space:nowrap}
.module__chev{width:20px;height:20px;fill:none;stroke:var(--ink-3);stroke-width:2;transition:transform .2s;flex:0 0 20px}
.module[open] .module__chev{transform:rotate(180deg)}
@media (max-width:560px){ .module__count{display:none} }
.lessons{list-style:none;margin:0;padding:0 10px 10px}
.lesson{border-top:1px solid var(--line)}
.lesson,.lesson a{display:flex;align-items:center;gap:12px;padding:11px 10px;text-decoration:none}
.lesson a{flex:1;padding:0;margin:0}
.lesson.is-live:hover{background:var(--green-soft);border-radius:10px}
.lesson__num{font-family:var(--font-code);font-size:.8rem;color:var(--ink-3);min-width:38px}
.lesson__title{flex:1}
.lesson.is-soon .lesson__title{color:var(--ink-2)}
.lesson__min{font-size:.8rem;color:var(--ink-3)}
.badge{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-3);border:1px solid var(--line);padding:3px 8px;border-radius:6px;white-space:nowrap}
.badge--live{background:var(--green);color:#fff;border-color:var(--green)}
.empty{padding:24px;background:var(--card);border:1px dashed var(--line);border-radius:12px}

/* roadmap */
.roadmap{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow);overflow-x:auto}
.roadmap svg{min-width:760px}
.roadmap text{font-family:var(--font-body);fill:var(--ink)}

/* ---------- Ads ---------- */
.ad-slot{margin:24px auto;text-align:center;min-height:0}
.ad-slot .ad-label{display:block;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px}
.ad-slot--placeholder{min-height:100px;display:grid;place-items:center;border:2px dashed var(--line);border-radius:12px;color:var(--ink-3);font-size:.85rem;background:repeating-linear-gradient(45deg,transparent 0 10px,var(--paper-2) 10px 20px)}

/* ---------- Footer ---------- */
.site-footer{background:var(--board);color:#C9C6BC;padding:48px 0 28px;margin-top:40px}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
@media (max-width:760px){ .site-footer .wrap{grid-template-columns:1fr} }
.site-footer h4{color:#F5C77E;font-family:var(--font-head);margin:0 0 10px;font-size:1.05rem}
.site-footer a{color:#C9C6BC;text-decoration:none;display:block;padding:3px 0}
.site-footer a:hover{color:#fff}
.site-footer p{margin:0 0 8px;font-size:.95rem}
.copyright{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;font-size:.85rem;color:#8E8B82}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* =========================================================
   v2: tracks, course grid, search, paths, course page
   ========================================================= */
.muted{color:var(--ink-3);font-size:.92rem}

/* site-wide search (hero) */
.site-search{position:relative;max-width:560px;margin:0 0 20px}
.search--big{padding:0 16px;border-radius:14px;box-shadow:var(--shadow)}
.search--big input{padding:15px 0;font-size:1.02rem}
.search-results{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:45;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 50px -20px rgba(0,0,0,.35);max-height:420px;overflow:auto;padding:6px}
.sr{display:grid;grid-template-columns:1fr auto;gap:2px 10px;padding:10px 12px;border-radius:10px;text-decoration:none}
.sr:hover,.sr:focus{background:var(--paper-2);outline:none}
.sr__title{font-weight:700}
.sr__course{grid-column:1;font-size:.82rem;color:var(--ink-3)}
.sr .badge{grid-row:1/3;grid-column:2;align-self:center}
.sr mark{background:var(--saffron-soft);color:inherit;border-radius:3px;padding:0 1px}
.sr-count,.sr-empty{margin:6px 12px;font-size:.8rem;color:var(--ink-3)}

/* track chips */
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 14px;margin-bottom:12px;scrollbar-width:thin}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-size:.9rem;font-weight:700;padding:8px 14px;border-radius:999px;cursor:pointer;white-space:nowrap}
.chip svg{width:16px;height:16px;color:var(--c,var(--ink-3))}
.chip span{font-weight:400;color:var(--ink-3);font-size:.8rem}
.chip:hover{border-color:var(--c,var(--ink))}
.chip.is-active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip.is-active svg,.chip.is-active span{color:var(--paper)}

/* track blocks */
.track{margin-bottom:40px;scroll-margin-top:80px}
.track__head{display:flex;align-items:center;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.track__icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;color:var(--c);background:color-mix(in srgb,var(--c) 14%,transparent);flex:0 0 52px}
.track__icon svg{width:28px;height:28px}
.track__head > div:nth-child(2){flex:1 1 300px}
.track__head h3{font-size:1.5rem}
.track__head p{margin:2px 0 0;color:var(--ink-2);font-size:.95rem}
.track__count{font-size:.82rem;color:var(--ink-2);background:var(--card);border:1px solid var(--line);padding:5px 12px;border-radius:99px}
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.ccard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--c);border-radius:14px;padding:18px;text-decoration:none;transition:transform .18s,box-shadow .18s}
.ccard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.ccard h4{font-family:var(--font-head);font-size:1.12rem;margin:0 0 6px;line-height:1.25}
.ccard p{margin:0 0 12px;color:var(--ink-2);font-size:.9rem;line-height:1.5;flex:1}
.ccard__meta{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px}
.ccard__meta span{font-size:.72rem;background:var(--paper-2);padding:2px 7px;border-radius:5px;color:var(--ink-2)}
.ccard .progress span{background:var(--c)}
.ccard small{color:var(--ink-3);font-size:.78rem}

/* career paths */
.paths{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
@media (max-width:400px){ .paths{grid-template-columns:1fr} }
.path{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.path header{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.path h3{font-size:1.25rem}
.path header span{font-size:.8rem;color:var(--ink-3)}
.path ol{list-style:none;margin:0;padding:0;counter-reset:st}
.path li{counter-increment:st;position:relative;padding:0 0 10px 34px}
.path li::before{content:counter(st);position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;background:var(--saffron-soft);color:var(--saffron);font-size:.75rem;font-weight:700;display:grid;place-items:center}
.path li:not(:last-child)::after{content:"";position:absolute;left:10.5px;top:25px;bottom:2px;width:1.5px;background:var(--line)}
.path li a{text-decoration:none;font-size:.95rem}
.path li a:hover{color:var(--saffron);text-decoration:underline}

/* course page */
.course-hero{padding:36px 0 28px;background:linear-gradient(180deg,color-mix(in srgb,var(--track) 12%,var(--paper)),var(--paper));border-bottom:1px solid var(--line)}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.88rem;color:var(--ink-3);margin-bottom:18px}
.crumbs a{text-decoration:none;color:var(--ink-2)}
.crumbs a:hover{color:var(--track)}
.course-hero h1{font-size:clamp(2rem,4.5vw,3rem);margin-bottom:10px}
.course-hero .lead{font-size:1.12rem;color:var(--ink-2);max-width:62ch;margin:0 0 18px}
.course-hero__meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.course-hero__meta span{font-size:.85rem;background:var(--card);border:1px solid var(--line);padding:4px 10px;border-radius:8px}
.course-hero__progress{max-width:360px;margin-bottom:22px}
.course-hero__progress .progress span{background:var(--track)}
.course-hero__progress small{color:var(--ink-3);font-size:.82rem}
.course-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;padding:20px 0 40px}
@media (max-width:920px){ .course-layout{grid-template-columns:minmax(0,1fr)} }
.course-main h2{font-size:1.7rem;margin:6px 0 16px}
.course-main .module__num{color:var(--track)}
.module{scroll-margin-top:80px}
.course-aside{display:flex;flex-direction:column;gap:16px}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.aside-card h4{font-family:var(--font-head);font-size:1.05rem;margin:0 0 10px}
.aside-card h4:not(:first-child){margin-top:16px}
.aside-card a{display:flex;justify-content:space-between;gap:8px;padding:7px 0;border-top:1px solid var(--line);text-decoration:none;font-size:.93rem}
.aside-card a:first-of-type{border-top:0}
.aside-card a span{color:var(--ink-3);font-size:.8rem;white-space:nowrap}
.aside-card a:hover{color:var(--track,var(--saffron))}
@media (min-width:921px){ .course-aside{position:sticky;top:84px;align-self:start} }
.track,.course-main{padding:0}
.course-aside .ad-slot{width:100%;margin:0}

/* ---------- Themed scrollbars (thin, match light/dark, no white OS bars) ---------- */
:root{color-scheme:light}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]){color-scheme:dark} }
:root[data-theme="dark"]{color-scheme:dark}
*{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--ink-3) 55%,transparent) transparent}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track,::-webkit-scrollbar-corner{background:transparent}
::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--ink-3) 55%,transparent);border-radius:99px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background-color:var(--ink-3)}
::-webkit-scrollbar-button{display:none;width:0;height:0}
/* sidebar and chip rows: scroll without a visible bar; chips fade at the edge to hint more */
.lesson-side,.chips,.toc ol{scrollbar-width:none}
.lesson-side::-webkit-scrollbar,.chips::-webkit-scrollbar,.toc ol::-webkit-scrollbar{display:none}
.chips{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 48px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 48px),transparent);padding-bottom:6px}

/* ---------- Hero, upgraded (catchy headline, rotating topic, feature points) ---------- */
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--saffron) 22%,transparent),transparent);pointer-events:none;z-index:0;animation:heroGlow 9s ease-in-out infinite alternate}
.hero::after{content:"";position:absolute;inset:auto auto -30% -15%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--green) 18%,transparent),transparent);pointer-events:none;z-index:0}
.hero .wrap{position:relative;z-index:1}
@keyframes heroGlow{from{transform:translate(0,0) scale(1)}to{transform:translate(-40px,30px) scale(1.08)}}
.hero-title{font-size:clamp(2.3rem,5.4vw,4rem)!important;line-height:1.05;letter-spacing:-.02em}
.rot{display:inline-block;color:var(--paper);background:linear-gradient(135deg,var(--saffron),#D9551A);padding:0 .22em;border-radius:.18em;
  transform:rotate(-1.5deg);box-shadow:0 8px 24px -10px var(--saffron);min-width:2ch}
.rot.is-swap{animation:rotIn .45s cubic-bezier(.2,.9,.3,1.3)}
@keyframes rotIn{from{opacity:0;transform:translateY(.35em) rotate(-1.5deg)}to{opacity:1;transform:translateY(0) rotate(-1.5deg)}}
.rot-caret{display:inline-block;width:.08em;height:.85em;background:var(--saffron);margin-left:.08em;vertical-align:-.05em;animation:caret 1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}
.hero-kicker{font-family:var(--font-head);font-size:clamp(1.15rem,2.2vw,1.45rem);margin:-4px 0 14px;color:var(--ink-2)}
.hero-kicker .kick-ratta{text-decoration:line-through;text-decoration-color:#D64545;text-decoration-thickness:3px;color:var(--ink-3)}
.hero-kicker b{color:var(--green)}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:-8px 0 22px}
.hero-points li{display:inline-flex;align-items:center;gap:7px;font-size:.88rem;font-weight:700;color:var(--ink-2);
  background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px}
.hero-points svg{width:16px;height:16px;color:var(--saffron)}
.hero-stats strong{color:var(--ink)}
@media (prefers-reduced-motion:reduce){.hero::before,.rot.is-swap,.rot-caret{animation:none}}

/* ---------- Track chips: wrap onto lines, never hidden behind a scroll ---------- */
.chips{flex-wrap:wrap;overflow:visible;-webkit-mask-image:none!important;mask-image:none!important;padding:2px 0 6px}
/* sidebar: thin scrollbar appears while hovering, so mouse users can see it scrolls */
.lesson-side:hover{scrollbar-width:thin}
.lesson-side:hover::-webkit-scrollbar{display:block}
.hero .wrap{grid-template-columns:1.2fr .9fr;align-items:center}
@media (max-width:920px){ .hero .wrap{grid-template-columns:1fr} }
.hero-title{font-size:clamp(2.1rem,4.3vw,3.5rem)!important}
.hero-title .nowrap{white-space:nowrap}
@media (max-width:420px){ .hero-title .nowrap{white-space:normal} }
.hero-points{margin:22px 0 0}
.hero p.lead{margin-bottom:22px}

/* Inline code on dark "board" surfaces — readable in light AND dark themes */
.story-card code,.site-footer code{background:rgba(255,255,255,.14);color:#F5C77E;border:1px solid rgba(255,255,255,.18)}