/* Bigsun Udaan — shared styles (v2: bolder palette, interactive components).
   Fonts, header/footer, button shape and the indigo family come from the live bigsunworld.com homepage
   (Sora + Source Sans 3, 10px buttons, 1200px container). Colours are deepened and three path colours added. */
:root{
  --accent:oklch(0.5 0.2 272);
  --accent-dark:oklch(0.38 0.18 272);
  --accent-soft:oklch(0.94 0.04 272);
  --deep:oklch(0.26 0.1 275);
  --ink:oklch(0.2 0.02 270);
  --mut:oklch(0.42 0.02 270);
  --line:oklch(0.89 0.012 270);
  --line-2:oklch(0.8 0.02 270);
  --bg:oklch(0.985 0.004 270);
  --foot:oklch(0.2 0.03 272);
  --warm:oklch(0.78 0.16 70);
  --warm-strong:oklch(0.6 0.19 45);
  --warm-soft:oklch(0.95 0.06 80);
  --c-ba:oklch(0.5 0.2 272);
  --c-tds:oklch(0.5 0.13 175);
  --c-lib:oklch(0.52 0.16 45);
  --ok:oklch(0.42 0.13 155);
  --err:oklch(0.5 0.2 27);
  --r:10px;
  --head:Sora,"Helvetica Neue",sans-serif;
  --body:"Source Sans 3","Helvetica Neue",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-dark);text-decoration:underline}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[role=tab]:focus-visible{outline:3px solid var(--warm-strong);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
h1,h2,h3{font-family:var(--head);color:var(--ink);line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(32px,5vw,50px);font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(25px,3.4vw,36px);font-weight:700;letter-spacing:-.005em}
h3{font-size:19px;font-weight:600}
p{margin:0 0 1em}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:800px}
section{padding:76px 0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.09em;text-transform:uppercase;margin:0 0 12px}
.lede{font-size:19px;color:var(--mut);max-width:700px}
.center{text-align:center}.center .lede{margin-left:auto;margin-right:auto}

/* Header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(40,30,110,.06)}
.site-head .wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-head img{height:34px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;font-weight:600;color:var(--ink)}
.nav a:hover{color:var(--accent);text-decoration:none}
.mnav{display:none;position:relative}
.mnav summary{list-style:none;cursor:pointer;font-size:22px;padding:6px 10px;border:1px solid var(--line-2);border-radius:8px;line-height:1;background:#fff}
.mnav summary::-webkit-details-marker{display:none}
.mnav .panel{position:absolute;right:0;top:48px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;min-width:230px;box-shadow:0 14px 36px rgba(20,20,60,.18);display:flex;flex-direction:column}
.mnav .panel a{padding:10px 12px;color:var(--ink);font-weight:600;border-radius:8px}
.mnav .panel a:hover{background:var(--accent-soft);text-decoration:none}
@media (max-width:900px){.nav{display:none}.mnav{display:block}}

/* Buttons */
.btn{display:inline-block;font:700 16px/1.2 var(--body);padding:14px 28px;border-radius:var(--r);border:2px solid transparent;cursor:pointer;text-align:center;transition:background .15s,border-color .15s,transform .15s,box-shadow .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(60,40,200,.28)}
.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-ghost{background:#fff;color:var(--accent-dark);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-warm{background:var(--warm);color:oklch(0.2 0.05 60);box-shadow:0 6px 18px rgba(240,150,20,.35)}
.btn-warm:hover{background:oklch(0.84 0.16 75);color:oklch(0.2 0.05 60)}
.btn-sm{padding:10px 20px;font-size:15px;border-radius:8px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 16px}

/* Hero (dark, vivid) */
.hero{padding:72px 0 68px;color:#fff;background:radial-gradient(900px 400px at 85% 0%,oklch(0.55 0.2 300 / .55),transparent 60%),linear-gradient(135deg,oklch(0.25 0.1 275),oklch(0.36 0.16 278) 65%,oklch(0.42 0.17 285))}
.hero h1{color:#fff}
.hero .eyebrow{color:var(--warm)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero .sub{font-size:19px;color:oklch(0.92 0.02 270);max-width:620px}
.hero .note{font-size:15px;color:oklch(0.9 0.03 270);border-left:4px solid var(--warm);padding:6px 0 6px 14px;max-width:620px}
.hero .tag{font-size:19px;font-weight:700;font-family:var(--head);margin-top:22px;color:var(--warm)}
.hero .btn-ghost{background:transparent;color:#fff;border-color:oklch(0.85 0.05 270)}
.hero .btn-ghost:hover{border-color:#fff;color:#fff;background:oklch(1 0 0 / .1)}
.hero-art{background:oklch(1 0 0 / .08);border:1px solid oklch(1 0 0 / .22);border-radius:22px;padding:18px;box-shadow:0 24px 60px rgba(10,5,60,.4)}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 0;padding:0;list-style:none}
.hero-stats li{background:oklch(1 0 0 / .12);border:1px solid oklch(1 0 0 / .22);border-radius:999px;padding:6px 16px;font-size:15px;font-weight:600}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;gap:32px}section{padding:56px 0}.hero{padding:52px 0}}

/* Generic blocks */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.tile{background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:14px;padding:22px;box-shadow:0 6px 20px rgba(40,30,110,.07)}
.tile p{margin:0;color:var(--mut);font-size:16px}
.tile .ico{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--accent),oklch(0.55 0.2 300));color:#fff;display:grid;place-items:center;font-family:var(--head);font-weight:700;margin-bottom:12px}
.g3 .tile:nth-child(3n+2){border-top-color:var(--c-tds)}.g3 .tile:nth-child(3n+2) .ico{background:linear-gradient(135deg,var(--c-tds),oklch(0.6 0.13 150))}
.g3 .tile:nth-child(3n+3){border-top-color:var(--warm-strong)}.g3 .tile:nth-child(3n+3) .ico{background:linear-gradient(135deg,var(--warm-strong),var(--warm))}
.alt{background:var(--accent-soft)}
.deep{background:linear-gradient(135deg,var(--deep),oklch(0.34 0.14 278));color:#fff}
.deep h2,.deep h3{color:#fff}.deep .lede,.deep p{color:oklch(0.9 0.02 270)}.deep .eyebrow{color:var(--warm)}
.warm{background:var(--warm-soft)}
.example{background:#fff;border:1px solid var(--line);border-left:6px solid var(--accent);border-radius:12px;padding:20px 24px;margin:24px 0;box-shadow:0 6px 18px rgba(40,30,110,.07)}
.tags{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:20px 0;list-style:none}
.tags li{background:#fff;border:2px solid var(--accent-soft);border-radius:999px;padding:7px 16px;font-weight:600;font-size:16px;color:var(--accent-dark)}
.tags.tds li{border-color:oklch(0.9 0.05 175);color:oklch(0.35 0.1 175)}
.callout{background:#fff;border:1px solid var(--line-2);border-left:5px solid var(--warm-strong);border-radius:12px;padding:16px 20px;font-size:16px;color:var(--mut)}
.callout strong{color:var(--ink)}

/* Path cards */
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
@media (max-width:900px){.paths{grid-template-columns:1fr}}
.pcard{--pc:var(--c-ba);position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px 22px;box-shadow:0 10px 30px rgba(40,30,110,.1);overflow:hidden;transition:transform .15s,box-shadow .15s}
.pcard::before{content:"";position:absolute;left:0;right:0;top:0;height:8px;background:var(--pc)}
.pcard:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(40,30,110,.16)}
.pcard.tds{--pc:var(--c-tds)}.pcard.lib{--pc:var(--c-lib)}
.pcard .badge{align-self:flex-start;background:var(--pc);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:4px 12px;margin-bottom:12px}
.pcard h3{font-size:21px;margin-bottom:8px}
.pcard p{color:var(--mut);font-size:16px}
.pcard ul{margin:0 0 14px;padding-left:20px;color:var(--mut);font-size:15.5px}
.pcard .btn{margin-top:auto;background:var(--pc);color:#fff;border-color:var(--pc)}
.pcard.recommended{outline:4px solid var(--warm);outline-offset:3px}
.bar{height:10px;background:var(--accent-soft);border-radius:999px;overflow:hidden;margin:6px 0 4px}
.bar i{display:block;height:100%;width:0;background:var(--pc,var(--accent));border-radius:999px;transition:width .4s}
.pnote{font-size:14px;color:var(--mut);margin:0 0 14px}

/* Picker */
.picker{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;margin-top:34px;box-shadow:0 10px 30px rgba(40,30,110,.1)}
.picker h3{font-size:22px}
.pick-q{border:0;padding:0;margin:0 0 18px}
.pick-q legend{font-weight:700;font-size:16px;margin-bottom:8px;padding:0}
.opts{display:flex;flex-wrap:wrap;gap:10px}
.opts label{margin:0;font-weight:600;font-size:15px}
.opts input{position:absolute;opacity:0;pointer-events:none}
.opts span{display:inline-block;padding:10px 18px;border:2px solid var(--line-2);border-radius:999px;cursor:pointer;background:#fff;transition:all .15s}
.opts input:checked+span{background:var(--accent);border-color:var(--accent);color:#fff}
.opts input:focus-visible+span{outline:3px solid var(--warm-strong);outline-offset:2px}
.pick-result{margin-top:16px;background:var(--warm-soft);border:2px solid var(--warm);border-radius:14px;padding:16px 20px}
.pick-result[hidden]{display:none}

/* Tabs and roadmap */
.tablist{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 8px}
[role=tab]{font:700 15px var(--body);padding:11px 22px;border-radius:999px;border:2px solid var(--line-2);background:#fff;color:var(--ink);cursor:pointer;transition:all .15s}
[role=tab][aria-selected=true]{background:var(--tc,var(--accent));border-color:var(--tc,var(--accent));color:#fff}
[role=tab]:hover{border-color:var(--tc,var(--accent))}
[role=tab][data-p=tds]{--tc:var(--c-tds)}[role=tab][data-p=lib]{--tc:var(--c-lib)}
.tabpanel[hidden]{display:none}
.road{list-style:none;margin:26px 0 0;padding:0;counter-reset:rs;position:relative}
.road::before{content:"";position:absolute;left:24px;top:10px;bottom:10px;width:4px;background:linear-gradient(var(--pc),var(--warm));border-radius:4px}
.stage{--pc:var(--c-ba);position:relative;counter-increment:rs;margin:0 0 16px;padding:18px 20px 18px 74px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 6px 18px rgba(40,30,110,.07)}
.stage::before{content:counter(rs);position:absolute;left:8px;top:16px;width:34px;height:34px;border-radius:50%;background:var(--pc);color:#fff;display:grid;place-items:center;font:700 15px var(--head);box-shadow:0 0 0 5px #fff}
.stage h3{font-size:18px;margin-bottom:4px}
.stage p{margin:0 0 6px;color:var(--mut);font-size:16px}
.stage .out{font-size:15px;color:var(--ink)}
.stage .out b{color:var(--pc)}
.stage .go{font-weight:700;font-size:15px}
#panel-tds .stage{--pc:var(--c-tds)}#panel-lib .stage{--pc:var(--c-lib)}
.road-end{background:var(--warm-soft);border:2px dashed var(--warm-strong);border-radius:14px;padding:16px 20px;margin-top:6px;font-size:16px}
@media (max-width:600px){.stage{padding-left:62px}.road::before{left:20px}.stage::before{left:5px}}

/* Curriculum accordion */
.mods{display:grid;gap:12px;margin-top:28px}
details.mod{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 14px rgba(40,30,110,.06)}
details.mod[open]{border-color:var(--accent)}
details.mod summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:16px 20px;font-weight:700}
details.mod summary::-webkit-details-marker{display:none}
.mod .n{flex:none;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),oklch(0.55 0.2 300));color:#fff;display:grid;place-items:center;font:700 14px var(--head)}
.mod .t{flex:1}
.mod .chev{transition:transform .2s;color:var(--accent);font-size:22px;line-height:1}
details[open].mod .chev{transform:rotate(45deg)}
.mod .body{padding:0 20px 18px 72px;color:var(--mut)}
.mod ul{margin:0 0 10px;padding-left:20px}
.mod li{margin:4px 0}
.mod .res-link{font-weight:700;font-size:15px}
@media (max-width:600px){.mod .body{padding-left:20px}}
.ctrl{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}

/* Steps */
.steps{list-style:none;margin:32px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.steps li{position:relative;background:#fff;border:1px solid var(--line);border-bottom:5px solid var(--accent);border-radius:14px;padding:58px 18px 18px;counter-increment:s;font-size:16px;box-shadow:0 6px 18px rgba(40,30,110,.08)}
.steps li:nth-child(even){border-bottom-color:var(--c-tds)}
.steps li::before{content:counter(s);position:absolute;top:14px;left:18px;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font:700 15px var(--head)}
.steps li:nth-child(even)::before{background:var(--c-tds)}
.steps li strong{display:block;font-family:var(--head);font-size:16px;margin-bottom:4px}
.steps li span{color:var(--mut);font-size:15px}
@media (max-width:1000px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.steps{grid-template-columns:1fr}}
.status{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;border-radius:999px;padding:3px 10px;margin-bottom:8px}
.status.now{background:oklch(0.9 0.1 155);color:oklch(0.3 0.1 155)}
.status.later{background:var(--warm-soft);color:oklch(0.4 0.12 55);border:1px solid var(--warm)}
.legend{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
@media (max-width:700px){.legend{grid-template-columns:1fr}}

/* Resource cards */
.rcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:14px;padding:22px;color:var(--ink);box-shadow:0 6px 18px rgba(40,30,110,.07);transition:transform .15s,box-shadow .15s}
.rcard:hover{box-shadow:0 14px 32px rgba(40,30,110,.16);text-decoration:none;color:var(--ink);transform:translateY(-3px)}
.rcard.tds{border-left-color:var(--c-tds)}.rcard.lib{border-left-color:var(--c-lib)}
.rcard h3{margin-bottom:6px}
.rcard p{color:var(--mut);font-size:16px;margin:0 0 12px;flex:1}
.rcard .go{color:var(--accent);font-weight:700;font-size:15px}
.rcard.tds .go{color:var(--c-tds)}.rcard.lib .go{color:var(--c-lib)}
.rcard .tick{display:none;color:var(--ok);font-weight:700;font-size:13px;margin-bottom:6px}
.rcard.done .tick{display:block}

/* Form */
.form-card{background:#fff;border:1px solid var(--line);border-top:6px solid var(--accent);border-radius:18px;padding:32px;box-shadow:0 18px 50px rgba(40,30,110,.14)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fgrid .full{grid-column:1/-1}
@media (max-width:700px){.fgrid{grid-template-columns:1fr}.form-card{padding:22px}}
label,legend{display:block;font-weight:700;font-size:15px;margin-bottom:6px}
.req{color:var(--err)}
.opt{font-weight:400;color:var(--mut)}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{width:100%;font:400 16px var(--body);padding:12px 14px;border:2px solid var(--line-2);border-radius:8px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{min-height:100px;resize:vertical}
input[aria-invalid=true],select[aria-invalid=true],textarea[aria-invalid=true]{border-color:var(--err)}
.hint{font-size:14px;color:var(--mut);margin:4px 0 0}
.error{font-size:14px;color:var(--err);margin:4px 0 0;font-weight:700;min-height:0}
.error:empty{display:none}
fieldset{border:0;margin:0;padding:0}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:15px}
.check input{margin-top:5px;width:18px;height:18px;flex:none}
.privacy{background:var(--accent-soft);border-radius:12px;padding:16px 20px;font-size:15px;margin:22px 0}
.privacy summary{cursor:pointer;font-weight:700}
.privacy ul{margin:10px 0 0;padding-left:20px}
.privacy li{margin:6px 0}
.alert{border-radius:12px;padding:18px 20px;margin-top:22px;font-size:16px}
.alert.info{background:oklch(0.96 0.06 85);border:2px solid oklch(0.8 0.13 85)}
.alert.bad{background:oklch(0.96 0.03 27);border:2px solid oklch(0.75 0.14 27)}
.alert[hidden]{display:none}
.alert h3{font-size:17px;margin-bottom:6px}
.alert textarea{margin-top:10px;font-size:14px;min-height:150px}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}

/* FAQ */
.faq{display:grid;gap:10px;margin-top:28px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 12px rgba(40,30,110,.05)}
.faq details[open]{border-color:var(--accent)}
.faq summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--accent);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 20px 16px;color:var(--mut)}

/* Final CTA */
.cta{background:radial-gradient(700px 300px at 15% 0%,oklch(0.55 0.2 300 / .5),transparent 60%),linear-gradient(135deg,var(--deep),oklch(0.36 0.16 278));color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{color:oklch(0.92 0.02 270);max-width:640px;margin:0 auto 1em}
.cta .btn-ghost{background:transparent;color:#fff;border-color:oklch(0.85 0.05 270)}
.cta .btn-ghost:hover{color:#fff;border-color:#fff}
.cta .btn-row{justify-content:center}

/* Footer */
.site-foot{background:var(--foot);color:oklch(0.8 0.02 270);padding:56px 0 28px;font-size:15px}
.site-foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
@media (max-width:900px){.site-foot .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-foot .cols{grid-template-columns:1fr}}
.site-foot h3{font-size:14px;color:#fff;margin-bottom:12px}
.site-foot a{color:oklch(0.82 0.08 272);display:block;padding:3px 0}
.site-foot a:hover{color:#fff}
.site-foot img{height:34px;width:auto;margin-bottom:12px}
.site-foot .social{display:flex;flex-wrap:wrap;gap:4px 16px}
.site-foot .social a{display:inline}
.site-foot .legal{margin-top:36px;padding-top:20px;border-top:1px solid oklch(0.32 0.03 272);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
.site-foot .legal a{display:inline;margin-left:14px}

/* Lesson / resource pages */
.res-top{background:linear-gradient(135deg,var(--deep),oklch(0.36 0.16 278));color:#fff;padding:34px 0 30px}
.res-top .crumbs,.res-top .crumbs a{color:oklch(0.88 0.04 272)}
.res-top h1{color:#fff;font-size:clamp(28px,4.4vw,40px)}
.res-top .eyebrow{color:var(--warm)}
.res-top .lede{color:oklch(0.92 0.02 270)}
.res-top.tds{background:linear-gradient(135deg,oklch(0.25 0.07 190),oklch(0.38 0.12 175))}
.res-top.lib{background:linear-gradient(135deg,oklch(0.3 0.08 40),oklch(0.46 0.15 45))}
.res-top .btn-ghost{background:transparent;color:#fff;border-color:oklch(0.85 0.05 270)}
.crumbs{font-size:14px;color:var(--mut);padding:0 0 14px}
.res-body{padding:36px 0 56px}
.res h2{margin-top:1.6em;font-size:25px;padding-bottom:6px;border-bottom:3px solid var(--accent-soft)}
.res h3{margin-top:1.2em}
.res table{width:100%;border-collapse:collapse;margin:16px 0;font-size:16px;background:#fff}
.res th,.res td{border:1px solid var(--line-2);padding:10px 12px;text-align:left;vertical-align:top}
.res th{background:var(--accent-soft);font-weight:700}
.res .tblwrap{overflow-x:auto;border-radius:10px}
.res ul,.res ol{padding-left:22px}
.res li{margin:6px 0}
.res .box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:18px 0;box-shadow:0 4px 14px rgba(40,30,110,.06)}
.res .box.try{border-left:6px solid var(--warm-strong)}
.res .box.key{border-left:6px solid var(--c-tds);background:oklch(0.97 0.025 175)}
.res dl{margin:0}
.res dt{font-weight:700;margin-top:16px;font-family:var(--head);font-size:16px;color:var(--accent-dark)}
.res dd{margin:2px 0 0;color:var(--mut)}
.res .answer{background:var(--accent-soft);border-radius:10px;padding:10px 14px;margin-top:8px;font-size:16px}
.res .nav-res{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:40px 0 0;padding-top:20px;border-top:1px solid var(--line)}
.disclaimer{font-size:14px;color:var(--mut);margin-top:32px}
.done-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:oklch(0.96 0.04 155);border:2px solid oklch(0.8 0.1 155);border-radius:14px;padding:14px 18px;margin:36px 0 0}
.done-bar p{margin:0;font-size:15px;color:var(--mut);flex:1;min-width:200px}
.done-btn{font:700 15px var(--body);padding:10px 20px;border-radius:8px;border:2px solid var(--ok);background:#fff;color:var(--ok);cursor:pointer}
.done-btn[aria-pressed=true]{background:var(--ok);color:#fff}
.fc{display:flex;flex-direction:column;align-items:center;gap:6px;margin:20px 0}
.fc .node{border:2px solid var(--accent);background:#fff;border-radius:10px;padding:10px 18px;font-weight:700;text-align:center;min-width:220px;max-width:100%}
.fc .node.start{border-radius:999px;background:var(--accent);color:#fff}
.fc .node.dec{border-color:var(--warm-strong);background:var(--warm-soft);border-radius:14px}
.fc .arr{color:var(--mut);line-height:1;font-size:20px}
.fc .branch{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%;max-width:560px}
.fc .branch>div{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0}
.fc .branch .node{min-width:0;width:100%;overflow-wrap:anywhere;font-size:15px}
.fc .lbl{font-size:13px;font-weight:700;color:var(--mut)}
.check-list{list-style:none;padding:0}
.check-list li{display:flex;gap:10px;align-items:flex-start}
.check-list input{margin-top:6px;width:18px;height:18px;flex:none}
.print-btn{margin:12px 0}
.lessons{list-style:none;margin:20px 0;padding:0;display:grid;gap:10px}
.lessons li{margin:0}
.lessons a{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-left:6px solid var(--c-tds);border-radius:12px;padding:14px 18px;color:var(--ink);font-weight:700;box-shadow:0 4px 12px rgba(40,30,110,.06)}
.lessons a:hover{text-decoration:none;box-shadow:0 10px 24px rgba(40,30,110,.14);color:var(--ink)}
.lessons .n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--c-tds);color:#fff;display:grid;place-items:center;font:700 14px var(--head)}
.lessons .d{display:block;font-weight:400;color:var(--mut);font-size:15px}
.lessons .tk{margin-left:auto;color:var(--ok);font-size:20px;visibility:hidden}
.lessons li.done .tk{visibility:visible}
.lessons.lib a{border-left-color:var(--c-lib)}.lessons.lib .n{background:var(--c-lib)}

/* Quiz */
.quiz{margin:24px 0}
.q{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:0 0 14px;box-shadow:0 4px 12px rgba(40,30,110,.06)}
.q>p{font-weight:700;margin:0 0 10px}
.q label{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:16px;padding:8px 12px;border:2px solid var(--line);border-radius:10px;margin-bottom:8px;cursor:pointer}
.q label:hover{border-color:var(--accent)}
.q label input{margin-top:5px}
.q.right label.sel{border-color:var(--ok);background:oklch(0.96 0.05 155)}
.q.wrong label.sel{border-color:var(--err);background:oklch(0.96 0.04 27)}
.q.wrong label.ans,.q.right label.ans{border-color:var(--ok)}
.q .why{font-size:15px;color:var(--mut);background:var(--accent-soft);border-radius:8px;padding:8px 12px;margin:6px 0 0}
.q .why[hidden]{display:none}
.score{font-family:var(--head);font-size:20px;font-weight:700;margin:14px 0;padding:14px 18px;border-radius:12px;background:var(--warm-soft);border:2px solid var(--warm)}
.score[hidden]{display:none}

/* Calculator */
.calc{background:#fff;border:1px solid var(--line);border-top:6px solid var(--c-tds);border-radius:16px;padding:24px;margin:20px 0;box-shadow:0 10px 30px rgba(40,30,110,.1)}
.calc .fgrid{margin-bottom:16px}
.calc-out{background:oklch(0.97 0.025 175);border:2px solid oklch(0.8 0.08 175);border-radius:12px;padding:16px 20px;font-size:16px}
.calc-out .big{font-family:var(--head);font-size:24px;font-weight:700;color:oklch(0.35 0.1 175)}
.calc-out dl{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:10px 0 0}
.calc-out dt{margin:0;font-size:14px;color:var(--mut);font-family:var(--body)}
.calc-out dd{margin:0;color:var(--ink);font-weight:600}
.calc-out.stop{background:oklch(0.96 0.05 85);border-color:var(--warm)}
.calc-out.stop .big{color:oklch(0.4 0.12 55)}

@media print{
  .site-head,.site-foot,.print-btn,.nav-res,.crumbs,.skip,.done-bar{display:none!important}
  body{background:#fff;font-size:12pt}
  .res-top{background:#fff!important;color:#000;padding:0}.res-top *{color:#000!important}
  section{padding:12px 0}
  .res table,.res .box{break-inside:avoid}
  a{color:#000}
}

/* ===== v3: header fix, Udaan sub-navigation, inner-page banner ===== */
.nav a.btn,.nav a.btn:hover{color:oklch(0.2 0.05 60)}
.nav a.btn-warm{background:var(--warm);box-shadow:0 4px 14px rgba(240,150,20,.4);padding:9px 18px}
.nav a.btn-warm:hover{background:oklch(0.84 0.16 75);text-decoration:none}
.mnav .panel a.btn-warm{display:block;text-align:center;margin-top:8px;color:oklch(0.2 0.05 60)}
.ubar{background:linear-gradient(90deg,var(--deep),oklch(0.34 0.14 278));border-top:1px solid oklch(1 0 0 / .08)}
.ubar .wrap{height:auto}
.ubar ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.ubar li{flex:0 0 auto}
.ubar a{display:block;padding:11px 14px;font-weight:600;font-size:15px;color:oklch(0.93 0.02 270);white-space:nowrap;border-bottom:3px solid transparent}
.ubar a:hover{color:#fff;text-decoration:none;background:oklch(1 0 0 / .08)}
.ubar a[aria-current=page]{color:#fff;border-bottom-color:var(--warm)}
.ubar a.t-tds[aria-current=page]{border-bottom-color:oklch(0.78 0.14 175)}
.ubar a.t-lib[aria-current=page]{border-bottom-color:oklch(0.8 0.15 55)}
.ptop{padding:56px 0 50px;color:#fff;background:radial-gradient(800px 320px at 85% 0%,oklch(0.55 0.2 300 / .5),transparent 60%),linear-gradient(135deg,oklch(0.25 0.1 275),oklch(0.38 0.16 278))}
.ptop h1{color:#fff;margin-bottom:.3em}
.ptop .eyebrow{color:var(--warm)}
.ptop .lede{color:oklch(0.92 0.02 270)}
.ptop.tds{background:linear-gradient(135deg,oklch(0.27 0.08 190),oklch(0.42 0.12 175))}
.ptop .crumbs,.ptop .crumbs a{color:oklch(0.88 0.03 270);font-size:14px}
.ptop .btn-ghost{background:transparent;color:#fff;border-color:oklch(0.85 0.05 270)}
.ptop .btn-ghost:hover{border-color:#fff;color:#fff;background:oklch(1 0 0 / .1)}

/* ===== v3: the visual road ===== */
.road2{position:relative;margin:30px auto 0;max-width:880px;padding:6px 0 24px}
.road2 svg.rd{position:absolute;left:0;top:0;pointer-events:none;z-index:0;overflow:visible}
.rsign{position:relative;z-index:1;display:flex;justify-content:center;margin:34px 0 10px}
.rsign div{background:var(--sc,var(--accent));color:#fff;border-radius:14px;padding:10px 22px;text-align:center;box-shadow:0 8px 20px rgba(30,20,90,.28);border:3px solid #fff;max-width:92%}
.rsign b{display:block;font:700 15px var(--head)}
.rsign small{display:block;font-size:14px;opacity:.93}
.rstop{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:118px}
.rstop .sc{display:flex;justify-content:center}
.rstop.odd .sc{order:2}
.rstop.odd .rtxt{order:1;text-align:right}
.rtxt{padding:0 26px}
.rtxt h3{font-size:17px;margin:0 0 2px;background:rgba(255,255,255,.88);display:inline-block;border-radius:8px;padding:2px 8px}
.rtxt p{margin:0;color:var(--mut);font-size:15px;background:rgba(255,255,255,.88);display:inline-block;border-radius:8px;padding:1px 8px}
.rtxt .go{display:block;font-weight:700;font-size:14.5px;margin-top:4px}
.stn{--sc:var(--accent);position:relative;width:54px;height:54px;border-radius:50%;border:4px solid #fff;background:var(--sc);color:#fff;font:700 18px var(--head);display:grid;place-items:center;cursor:pointer;padding:0;box-shadow:0 0 0 3px var(--sc),0 10px 22px rgba(20,10,70,.35);text-decoration:none;transition:transform .15s}
a.stn:hover,button.stn:hover{transform:scale(1.1);color:#fff;text-decoration:none}
.stn.done{background:var(--ok);box-shadow:0 0 0 3px var(--ok),0 10px 22px rgba(20,10,70,.35)}
.stn.done .nm{display:none}
.stn.done::after{content:"✓";font-size:24px}
.stn[aria-expanded=true]{outline:4px solid var(--warm);outline-offset:3px}
.stn.flag{background:var(--warm);color:oklch(0.2 0.05 60);box-shadow:0 0 0 3px var(--warm-strong),0 10px 22px rgba(20,10,70,.35);cursor:default;font-size:22px}
.stn.flag:hover{transform:none;color:oklch(0.2 0.05 60)}
.rdetail{position:relative;z-index:1;background:#fff;border:2px solid var(--sc,var(--accent));border-radius:16px;padding:20px 24px;margin:4px auto 18px;max-width:700px;box-shadow:0 14px 34px rgba(40,30,110,.18)}
.rdetail[hidden]{display:none}
.rdetail h3{font-size:20px;margin-bottom:6px}
.rdetail h4{font:700 14px var(--head);text-transform:uppercase;letter-spacing:.05em;color:var(--sc,var(--accent));margin:14px 0 4px}
.rdetail ul{margin:0 0 6px;padding-left:20px}
.rdetail .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.pill{display:inline-block;font-size:13px;font-weight:700;border-radius:999px;padding:3px 12px;background:var(--accent-soft);color:var(--accent-dark)}
.pill.avail{background:oklch(0.93 0.07 155);color:oklch(0.32 0.1 155)}
.pill.soon{background:var(--warm-soft);color:oklch(0.4 0.1 55)}
.rdetail .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
@media (max-width:720px){
  .rstop{grid-template-columns:64px 1fr;min-height:104px}
  .rstop .sc{justify-content:flex-start;padding-left:4px}
  .rstop.odd .sc{order:0}.rstop.odd .rtxt{order:0;text-align:left}
  .rtxt{padding:0 0 0 12px}
  .rsign{justify-content:flex-start;padding-left:4px}
  .rdetail{padding:16px}
}

/* ===== v3: progress dashboard and backup code ===== */
.dash{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:26px 0}
.dash .dcard{background:#fff;border:1px solid var(--line);border-top:6px solid var(--pc);border-radius:16px;padding:20px 22px;box-shadow:0 8px 24px rgba(40,30,110,.09)}
.dash h3{font-size:18px;margin-bottom:8px}
.dash a.go{font-weight:700;font-size:15px}
.backup{background:#fff;border:2px dashed var(--accent);border-radius:18px;padding:24px;margin-top:30px}
.backup h3{font-size:21px}
.backup .codebox{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:10px 0}
.backup code#code-out{font:700 20px/1 ui-monospace,Menlo,Consolas,monospace;background:var(--accent-soft);padding:12px 16px;border-radius:10px;letter-spacing:.06em;color:var(--accent-dark);overflow-wrap:anywhere}
.backup input{max-width:340px;font-family:ui-monospace,Menlo,Consolas,monospace}
.backup .msg{font-size:15px;margin:8px 0 0;min-height:1.4em}
@media (max-width:820px){.dash{grid-template-columns:1fr}}

/* ===== v3: home page fork and link cards ===== */
.fork{display:block;width:100%;max-width:980px;margin:26px auto 0}
.fork text{font-family:var(--head)}
.fork a:hover .fk-node{filter:brightness(1.1)}
@media (max-width:760px){.fork{display:none}}
.linkgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
@media (max-width:900px){.linkgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.linkgrid{grid-template-columns:1fr}}
.tabpanel .road{margin-top:20px}
.site-head .ubar .wrap{display:block;height:auto;padding:0 12px}
.ubar nav{min-width:0;max-width:100%}
@media (max-width:720px){.rsign{padding-left:68px}.rsign div{max-width:100%}}

/* ===================== v3: guided journey (assessment, results, programme, lessons, report) ===================== */
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);border:0;white-space:nowrap}
.narrow2{max-width:860px;margin:0 auto}
.stagewrap{padding:40px 0 70px;background:linear-gradient(180deg,var(--accent-soft),var(--bg) 340px)}
.appbox{max-width:860px;margin:0 auto}
.stage-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px 34px;margin:0 0 24px;box-shadow:0 10px 30px rgba(40,30,110,.09)}
.stage-card.slim{padding:22px 26px}
.stage-card h1{font-size:clamp(28px,4.4vw,40px)}
.stage-card h2{font-size:clamp(21px,2.8vw,27px);margin-top:1.4em}
.stage-card h3{font-size:18px;margin-top:1em}
.stage-card .sub{font:600 clamp(18px,2.6vw,23px)/1.3 var(--head);color:var(--accent-dark);margin:0 0 .7em}
ul.plain,ol.plain{padding-left:22px;margin:.5em 0 1em}
ul.plain li,ol.plain li{margin-bottom:.45em}
.status.ok{background:oklch(0.93 0.07 155);color:oklch(0.3 0.1 155);text-transform:none;letter-spacing:0;font-size:15px;padding:8px 14px;border-radius:10px;display:block}
.status.warn{background:var(--warm-soft);color:oklch(0.35 0.1 55);text-transform:none;letter-spacing:0;font-size:15px;padding:8px 14px;border-radius:10px;display:block;border:1px solid var(--warm)}
.bar span{display:block;height:100%;width:0;background:var(--accent);border-radius:999px;transition:width .4s}
.bar.big{height:14px;margin:14px 0 6px}
fieldset.mode{border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:18px 0}
fieldset.mode legend{padding:0 6px}
fieldset.mode .check{margin:6px 0}

/* question screens */
.qwrap{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 30px 28px;box-shadow:0 10px 30px rgba(40,30,110,.09)}
.qcount{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:14px;font-weight:700;color:var(--mut);margin:0 0 6px}
.qsec{color:var(--accent-dark)}
.secintro{background:var(--accent-soft);border-radius:10px;padding:12px 16px;margin:16px 0 4px;color:var(--ink)}
.qfs{border:0;padding:0;margin:20px 0 0;min-width:0}
.qfs legend{font:600 clamp(19px,2.6vw,24px)/1.35 var(--head);margin-bottom:14px;padding:0;outline:none}
[data-focus]:focus{outline:none}
.qopts{display:grid;gap:10px}
.qopt{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:2px solid var(--line-2);border-radius:12px;background:#fff;cursor:pointer;font-weight:400;font-size:17px;margin:0;transition:border-color .12s,background .12s}
@media (hover:hover){.qopt:hover{background:var(--bg)}}
.qopt input{margin-top:4px;width:20px;height:20px;flex:none;accent-color:var(--accent)}
.qopt:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.qopt:has(input:focus-visible){outline:3px solid var(--warm-strong);outline-offset:2px}
.qopt:has(input:disabled){opacity:.55;cursor:not-allowed}
.qns{border-style:dashed;color:var(--mut)}
.qnav{justify-content:space-between;margin-top:22px}
.qsave{margin-top:8px}

/* results */
.dircard{background:linear-gradient(135deg,var(--accent-soft),#fff);border:2px solid var(--accent);border-radius:16px;padding:20px 24px;margin:12px 0 16px}
.dircard h2{margin:0 0 .15em;color:var(--accent-dark)}
.dircard .entry{font-weight:700;color:var(--ink);margin:0 0 .5em}
.conf{background:var(--bg);border-radius:10px;padding:10px 14px}
.two,.three{display:grid;gap:22px;grid-template-columns:1fr 1fr}
.three{grid-template-columns:repeat(3,1fr)}
.prof{border-top:1px solid var(--line);padding-top:6px;margin-top:14px}
.prof .tag{display:inline-block;margin-left:8px;font:700 12px var(--body);color:var(--accent-dark);background:var(--accent-soft);border-radius:999px;padding:3px 10px;letter-spacing:.04em;text-transform:uppercase;vertical-align:middle}
ul.meters{list-style:none;padding:0;margin:8px 0}
ul.meters li{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:9px 0;border-bottom:1px dashed var(--line)}
.mname{font-weight:600;flex:1}
.mname small{display:block;font-weight:400;color:var(--mut);font-size:14px}
.mval{display:flex;align-items:center;gap:10px;flex:none;min-width:190px;justify-content:flex-end}
.meter{display:inline-flex;gap:4px}
.meter i{width:22px;height:10px;border-radius:3px;background:var(--line)}
.meter i.on{background:var(--accent)}
.band{font-size:14px;font-weight:700;color:var(--ink)}
.meter-none{font-size:14px;color:var(--mut)}
details.qform{border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:16px 0;background:var(--bg)}
details.qform summary{cursor:pointer;font-weight:700}
details.qform label{margin-top:12px}
.cta-row{margin-top:30px}

/* programme */
.nextcard{background:linear-gradient(135deg,oklch(0.3 0.12 275),oklch(0.42 0.17 280));color:#fff;border-radius:16px;padding:22px 26px;margin:18px 0 0}
.nextcard h2{color:#fff;margin:.1em 0 .2em;font-size:24px}
.nextcard .eyebrow{color:var(--warm)}
.nextcard p{color:oklch(0.93 0.02 270)}
.nextcard .btn-primary{background:var(--warm);color:oklch(0.2 0.05 60);box-shadow:none}
details.week{background:#fff;border:1px solid var(--line);border-radius:14px;margin:0 0 14px;box-shadow:0 4px 14px rgba(40,30,110,.06)}
details.week summary{display:flex;gap:14px;align-items:center;padding:16px 20px;cursor:pointer;font-weight:700}
.wn{background:var(--accent);color:#fff;border-radius:8px;padding:3px 10px;font-size:14px}
.wt{flex:1;font-family:var(--head)}
.wc{color:var(--mut);font-size:14px}
.wbody{padding:0 20px 18px}
.goal{color:var(--mut);margin-top:0}
.dayrow h3{font-size:15px;margin:14px 0 6px;color:var(--accent-dark)}
.dayrow h3 small{font-weight:400;color:var(--mut)}
ul.lsn{list-style:none;padding:0;margin:0}
ul.lsn li{border:1px solid var(--line);border-radius:10px;margin-bottom:6px}
ul.lsn a{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;color:var(--ink);text-decoration:none;flex-wrap:wrap}
ul.lsn a:hover{background:var(--accent-soft)}
ul.lsn .ls{font-size:13px;font-weight:700;color:var(--mut)}
ul.lsn li.done{border-color:oklch(0.75 0.1 155);background:oklch(0.97 0.03 155)}
ul.lsn li.done .ls{color:var(--ok)}
ul.lsn li.part .ls{color:var(--warm-strong)}

/* lesson */
.lessonview{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 34px;box-shadow:0 10px 30px rgba(40,30,110,.09)}
.lessonview h2{margin-top:1.3em;font-size:24px}
.task{border:2px solid var(--line);border-radius:14px;padding:18px 20px;margin:14px 0;background:var(--bg)}
.task h3{margin-top:0;font-size:16px;color:var(--accent-dark)}
.tblwrap{overflow-x:auto;margin:10px 0 16px}
table.dt{border-collapse:collapse;width:100%;min-width:420px;font-size:15px}
table.dt th,table.dt td{border:1px solid var(--line-2);padding:8px 10px;text-align:left;vertical-align:top}
table.dt thead th{background:var(--accent-soft)}
.fb{margin-top:12px;font-size:16px}
.fb:empty{display:none}
.fb.ok{background:oklch(0.95 0.05 155);border-left:5px solid var(--ok);padding:10px 14px;border-radius:8px}
.fb.warn{background:var(--warm-soft);border-left:5px solid var(--warm-strong);padding:10px 14px;border-radius:8px}
.fb.err{background:oklch(0.96 0.03 27);border-left:5px solid var(--err);padding:10px 14px;border-radius:8px;color:var(--err);font-weight:700}
.numrow{display:flex;gap:10px;align-items:center;margin:6px 0 12px;max-width:320px}
.numrow input{max-width:200px}
ol.sortlist{list-style:decimal;padding-left:26px;margin:10px 0 14px}
ol.sortlist li{padding:8px 0;border-bottom:1px dashed var(--line-2)}
ol.sortlist li::marker{font-weight:700;color:var(--accent-dark)}
ol.sortlist li{display:list-item}
.stxt{display:inline-block;max-width:calc(100% - 110px);vertical-align:middle}
.sbtn{float:right;display:inline-flex;gap:6px}
.sbtn .btn{padding:4px 12px}
.matchlist{display:grid;gap:10px;margin:10px 0 14px}
.mrow{display:grid;grid-template-columns:1fr 200px;gap:12px;align-items:center}
.mrow label{margin:0;font-weight:600}
textarea.big{min-height:180px}
fieldset.chk{border:1px solid var(--line-2);border-radius:10px;padding:10px 14px;margin:12px 0}
fieldset.chk .check{margin:6px 0}
.lfoot{margin-top:26px;border-top:1px solid var(--line);padding-top:10px}
.ref{font-size:15px}

/* report */
.evgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ev{border:1px solid var(--line-2);border-radius:12px;padding:6px 18px 14px;background:var(--bg)}
.ev h3{margin-top:12px}
.filebtn{cursor:pointer}
.btn.danger{color:var(--err);border-color:var(--err)}

/* home */
.resume{background:oklch(1 0 0 / .14);border:1px solid oklch(1 0 0 / .3);border-radius:12px;padding:6px 16px;margin:18px 0 0;max-width:620px}
.resume[hidden]{display:none}
.resume p{margin:6px 0;color:#fff}
.jsteps{list-style:none;padding:0;margin:26px 0;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.jsteps li{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:0 6px 18px rgba(40,30,110,.07)}
.jsteps .sn{flex:none;width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;font:700 18px/40px var(--head);text-align:center}
.jsteps h3{margin:0 0 .25em;font-size:18px}
.jsteps p{margin:0;color:var(--mut);font-size:16px}

@media (max-width:760px){
  .stage-card,.qwrap,.lessonview{padding:22px 18px;border-radius:14px}
  .two,.three,.evgrid{grid-template-columns:1fr}
  ul.meters li{flex-direction:column;align-items:flex-start;gap:6px}
  .mval{justify-content:flex-start;min-width:0}
  .mrow{grid-template-columns:1fr}
  .qnav .btn{flex:1}
  .stxt{max-width:100%;display:block}
  .sbtn{float:none;margin-top:6px}
}
@media print{
  .site-head,.site-foot,.noprint,.skip,#tools{display:none!important}
  body{background:#fff}
  .stage-card{box-shadow:none;border:0;padding:0}
  .stagewrap{background:#fff;padding:0}
}

/* ===================== v4: lively, youthful layer (quiz game feel, boarding-pass hero, flight-path road map, clear status) ===================== */
:root{
  --coral:oklch(0.72 0.17 15);--coral-soft:oklch(0.95 0.04 15);
  --mint:oklch(0.78 0.13 170);--mint-soft:oklch(0.95 0.05 170);--mint-ink:oklch(0.38 0.09 170);
  --sun:oklch(0.85 0.15 85);--sun-soft:oklch(0.96 0.06 90);
  --cf0:oklch(0.78 0.16 70);--cf1:oklch(0.72 0.17 15);--cf2:oklch(0.78 0.13 170);--cf3:oklch(0.6 0.2 285);
  --lift:0 14px 34px rgba(40,30,110,.14);
}
body{background:oklch(0.985 0.006 285)}
.eyebrow{text-transform:none;letter-spacing:0;font-size:14px;background:var(--accent-soft);color:var(--accent-dark);padding:5px 14px;border-radius:999px}
.hero .eyebrow,.ptop .eyebrow,.nextcard .eyebrow{background:oklch(1 0 0 / .14);color:#fff}
.btn{border-radius:999px}
.btn-sm{border-radius:999px}
.btn-lg{padding:18px 36px;font-size:19px}
.btn-row.center{justify-content:center}
.center{text-align:center}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:18px 0}
.chips li{background:var(--sun-soft);border:1px solid var(--sun);border-radius:999px;padding:6px 14px;font-weight:600;font-size:15px;color:oklch(0.3 0.05 60)}
.bigemoji{font-size:56px;line-height:1;margin-bottom:8px}
.hero-card{text-align:center;position:relative;overflow:hidden;padding:42px 34px}
.hero-card .lede{margin-left:auto;margin-right:auto}
.hero-card .chips,.hero-card .btn-row{justify-content:center}
.hero-card fieldset.mode{text-align:left;max-width:520px;margin:18px auto}
.hero-card .fine{max-width:560px;margin:14px auto 0}
.stage-card{border-radius:24px}

/* ---------- home hero with boarding pass ---------- */
.hero2{position:relative;overflow:hidden;color:#fff;padding:70px 0 90px;background:radial-gradient(700px 420px at 90% 10%,oklch(0.6 0.22 330 / .5),transparent 60%),radial-gradient(600px 400px at 0% 100%,oklch(0.7 0.16 70 / .28),transparent 60%),linear-gradient(135deg,oklch(0.24 0.11 275),oklch(0.36 0.18 285))}
.hero2::before{content:"";position:absolute;inset:auto -120px -160px auto;width:420px;height:420px;border-radius:50%;border:2px dashed oklch(1 0 0 / .22)}
.hero2::after{content:"";position:absolute;left:-90px;top:-90px;width:260px;height:260px;border-radius:50%;background:oklch(0.78 0.16 70 / .14)}
.hero2 .wrap{position:relative;z-index:1}
.hero2-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero2 h1{color:#fff;font-size:clamp(38px,6vw,66px);line-height:1.05;letter-spacing:-.02em;margin-bottom:.35em}
.hero2 .lede{color:oklch(0.94 0.02 280);font-size:clamp(18px,2.2vw,21px)}
.hero2 .btn-ghost{background:transparent;color:#fff;border-color:oklch(1 0 0 / .55)}
.hero2 .btn-ghost:hover{background:oklch(1 0 0 / .12);border-color:#fff;color:#fff}
.hero2 .btn-warm{box-shadow:0 10px 26px rgba(255,170,40,.4)}
.resume{background:oklch(1 0 0 / .14);border:1px solid oklch(1 0 0 / .3);border-radius:16px;padding:8px 16px;margin:18px 0 0;max-width:560px}
.pass{background:#fff;color:var(--ink);border-radius:22px;box-shadow:0 30px 60px rgba(10,5,60,.45);transform:rotate(2deg);position:relative;overflow:hidden}
.pass-top{display:flex;justify-content:space-between;align-items:center;background:var(--sun);padding:12px 22px;font:700 15px var(--head);color:oklch(0.25 0.06 60)}
.pass-body{padding:20px 24px 8px}
.pass-route{display:flex;justify-content:space-between;align-items:center;gap:10px;font:700 20px var(--head);margin-bottom:4px}
.pass-route small{display:block;font:500 13px var(--body);color:var(--mut)}
.pass-route .fly{flex:1;border-top:2px dashed var(--line-2);position:relative;margin:0 6px;top:-4px}
.pass-route .fly::after{content:"\2708\FE0F";position:absolute;right:50%;top:-15px;font-size:22px;background:#fff;padding:0 4px}
.pass-list{list-style:none;padding:0;margin:14px 0 0}
.pass-list li{display:flex;gap:12px;align-items:center;padding:9px 0;border-top:1px dashed var(--line-2);font-weight:600;font-size:16px}
.pass-list b{flex:none;width:34px;height:34px;border-radius:10px;background:var(--accent-soft);display:grid;place-items:center;font-size:18px}
.pass-foot{display:flex;justify-content:space-between;gap:10px;padding:12px 24px 16px;background:var(--accent-soft);font-size:14px;color:var(--mut);margin-top:10px}
.pass-foot strong{color:var(--ink)}
.pass::before,.pass::after{content:"";position:absolute;width:22px;height:22px;border-radius:50%;background:oklch(0.3 0.15 280);bottom:44px}
.pass::before{left:-11px}.pass::after{right:-11px}
.facts{background:#fff;border-bottom:1px solid var(--line)}
.facts ul{list-style:none;margin:0;padding:18px 0;display:flex;flex-wrap:wrap;gap:12px 34px;justify-content:center}
.facts li{font-weight:700;font-size:16px}
.facts li span{margin-right:6px}

/* ---------- features ---------- */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.feat{background:#fff;border-radius:22px;padding:26px;border:1px solid var(--line);box-shadow:var(--lift);position:relative}
.feat .fe{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;font-size:28px;margin-bottom:12px}
.feat:nth-child(1) .fe{background:var(--sun-soft)}.feat:nth-child(2) .fe{background:var(--mint-soft)}.feat:nth-child(3) .fe{background:var(--coral-soft)}
.feat h3{font-size:21px}.feat p{color:var(--mut);margin:0}

/* ---------- the road map / flight path ---------- */
.roadsec{background:linear-gradient(180deg,#fff,var(--accent-soft))}
.route{list-style:none;margin:36px 0 0;padding:0;position:relative}
.route .rsvg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.route .rsvg path{fill:none;vector-effect:non-scaling-stroke}
.route .rsvg .rd{stroke:oklch(0.86 0.03 280);stroke-width:30px;stroke-linecap:round}
.route .rsvg .rl{stroke:#fff;stroke-width:3px;stroke-dasharray:2 14;stroke-linecap:round}
.route li{position:relative;height:150px}
.route .stop{position:absolute;top:50%;transform:translate(-50%,-50%);width:74px;height:74px;border-radius:50%;background:#fff;border:4px solid var(--accent);display:grid;place-items:center;font-size:32px;box-shadow:0 8px 20px rgba(60,40,200,.25);z-index:1}
.route .txt{position:absolute;top:50%;transform:translateY(-50%);width:min(46%,400px)}
.route li.l .stop{left:28%}.route li.r .stop{left:72%}
.route li.l .txt{left:calc(28% + 54px)}
.route li.r .txt{right:calc(28% + 54px);text-align:right}
.route .txt h3{margin:0 0 .15em;font-size:20px}
.route .txt p{margin:0;color:var(--mut);font-size:16px}
.route .badge{display:inline-block;font:700 12px var(--body);border-radius:999px;padding:3px 10px;margin-bottom:5px;background:var(--accent-soft);color:var(--accent-dark)}
.route li.done .stop{background:var(--mint);border-color:var(--mint-ink);color:#fff}
.route li.done .badge{background:var(--mint-soft);color:var(--mint-ink)}
.route li.now .stop{background:var(--sun);border-color:var(--warm-strong);animation:pulse 2.2s ease-out infinite}
.route li.now .badge{background:var(--sun);color:oklch(0.25 0.06 60)}
.route li.todo .stop{filter:grayscale(.5);border-style:dashed;border-color:var(--line-2);box-shadow:none}
.route li.todo .badge{background:var(--bg);color:var(--mut);border:1px solid var(--line-2)}
.route a.stoplink{color:inherit;text-decoration:none}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,170,40,.6)}70%{box-shadow:0 0 0 18px rgba(255,170,40,0)}100%{box-shadow:0 0 0 0 rgba(255,170,40,0)}}

/* ---------- inner page headers ---------- */
.ptop{position:relative;overflow:hidden}
.ptop::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;border:2px dashed oklch(1 0 0 / .22)}
.ptop .wrap{position:relative;z-index:1}
.ptop h1{font-size:clamp(32px,5vw,52px);letter-spacing:-.015em}
.pemoji{display:inline-grid;place-items:center;width:58px;height:58px;border-radius:18px;background:oklch(1 0 0 / .16);font-size:30px;margin-bottom:12px}

/* ---------- cards everywhere ---------- */
.rcard{border-radius:20px;border-left-width:1px;border-top:5px solid var(--accent);box-shadow:var(--lift)}
.rcard.tds{border-top-color:var(--c-tds)}.rcard.lib{border-top-color:var(--c-lib)}
.jsteps li{border-radius:20px}
.cta{border-radius:0}
details.week,.qform,.ev,.task{border-radius:18px}

/* ---------- quiz game feel ---------- */
.qwrap{border-radius:24px;padding:22px 28px 26px}
.qhead{margin-bottom:8px}
.qcount{align-items:center}
.qbadge{background:var(--accent-soft);color:var(--accent-dark);border-radius:999px;padding:5px 14px;font-size:15px}
.qbar{position:relative;margin:14px 6px 10px}
.qtrack{display:flex;gap:6px;list-style:none;padding:0;margin:0}
.qtrack li{flex:1;height:8px;border-radius:999px;background:var(--line)}
.qtrack li.done{background:var(--accent)}
.qtrack li.now{background:var(--warm);box-shadow:0 0 0 3px oklch(0.78 0.16 70 / .3)}
.plane{position:absolute;top:-17px;font-size:22px;transform:translateX(-50%);transition:left .5s cubic-bezier(.3,1.3,.5,1)}
.cheer{display:inline-block;margin:10px 0 0;background:var(--mint-soft);color:var(--mint-ink);font-weight:700;padding:4px 14px;border-radius:999px;font-size:15px}
.qfs legend{font-size:clamp(20px,3vw,27px);line-height:1.3}
.qhelp{margin:-6px 0 10px}
.qopt{border-radius:16px;padding:14px 16px;align-items:center}
.qopt input{position:absolute;opacity:0;width:1px;height:1px}
.qchip{flex:none;width:34px;height:34px;border-radius:10px;background:var(--accent-soft);color:var(--accent-dark);font:700 16px/34px var(--head);text-align:center}
.qe{flex:none;font-size:28px;line-height:1}
.qt{flex:1}
.qopt:has(input:checked){border-color:var(--accent);background:var(--accent-soft);box-shadow:0 4px 14px rgba(60,40,200,.18)}
.qopt:has(input:checked) .qchip{background:var(--accent);color:#fff}
.qopt:has(input:checked)::after{content:"\2713";flex:none;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700}
.qtiles{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.qopt.tile{flex-direction:column;text-align:center;justify-content:center;min-height:108px;gap:8px;position:relative}
.qopt.tile .qe{font-size:34px}
.qopt.tile:has(input:checked)::after{position:absolute;top:8px;right:8px;width:24px;height:24px}
.qns{margin-top:12px;border-style:dashed;padding:10px 16px}
.qns .qe{font-size:22px}
.donecard{padding-top:54px}
.bonus{margin:26px auto 0;max-width:460px;background:var(--sun-soft);border:1px dashed var(--sun);border-radius:18px;padding:12px 18px}
.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.confetti i{position:absolute;top:-14px;width:10px;height:16px;border-radius:3px;animation:fall 2.8s ease-in forwards}
@keyframes fall{to{transform:translateY(520px) rotate(540deg);opacity:0}}

/* ---------- programme status: impossible to miss ---------- */
.tiles3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0 6px}
.tile3{border-radius:18px;padding:14px 16px;border:2px solid var(--line);background:#fff}
.tile3 b{display:block;font:700 32px/1 var(--head)}
.tile3 span{font-weight:700;font-size:15px}
.tile3.done{background:var(--mint-soft);border-color:var(--mint)}.tile3.done b{color:var(--mint-ink)}
.tile3.part{background:var(--sun-soft);border-color:var(--sun)}.tile3.part b{color:var(--warm-strong)}
.tile3.todo{background:var(--bg)}
.statekey{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--mut);margin:8px 0 0}
.pill{display:inline-flex;align-items:center;gap:6px;font:700 13px var(--body);border-radius:999px;padding:4px 12px;white-space:nowrap}
.pill.done{background:var(--mint-soft);color:var(--mint-ink)}
.pill.part{background:var(--sun);color:oklch(0.25 0.06 60)}
.pill.todo{background:var(--bg);color:var(--mut);border:1px solid var(--line-2)}
ul.lsn li{display:block}
ul.lsn a{align-items:center}
ul.lsn .lt{display:flex;gap:10px;align-items:center;font-weight:600}
ul.lsn .ico{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:14px;flex:none;border:2px solid var(--line-2);background:#fff}
ul.lsn li.done .ico{background:var(--mint);border-color:var(--mint-ink);color:#fff}
ul.lsn li.part .ico{background:var(--sun);border-color:var(--warm-strong)}
ul.lsn .ls{font-size:13px}
details.week summary{flex-wrap:wrap}
details.week.s-done{border-color:var(--mint)}
details.week.s-part{border-color:var(--sun)}

/* ---------- optional sharing of progress ---------- */
.sharecard{border:2px dashed var(--line-2);border-radius:20px;padding:6px 22px 18px;background:#fff}
.sharecard .status.ok,.sharecard .status.warn{margin-top:10px}

@media (max-width:900px){
  .hero2-grid{grid-template-columns:1fr}.pass{transform:none;max-width:460px}
  .feats{grid-template-columns:1fr}
  .tiles3{gap:8px}.tile3 b{font-size:26px}
  /* the road becomes a single winding lane on small screens */
  .route li{height:auto;min-height:120px;padding:10px 0 10px 96px}
  .route .stop{left:40px!important;width:60px;height:60px;font-size:26px}
  .route .txt,.route li.r .txt,.route li.l .txt{position:static;transform:none;width:auto;text-align:left}
  .route .rsvg{display:none}
  .route::before{content:"";position:absolute;left:39px;top:20px;bottom:20px;border-left:6px dotted oklch(0.8 0.04 280)}
}
@media (max-width:560px){
  .qtiles{gap:8px}.qopt.tile{min-height:96px}
  .hero2{padding:48px 0 64px}
}
@media (prefers-reduced-motion:reduce){
  .plane,.confetti i,.route li.now .stop{animation:none;transition:none}
}

/* a hovered answer must never look like a chosen one: only the tick, tint and accent border mean "selected" */
@media (hover:hover){.qopt:not(:has(input:checked)):hover{border-color:var(--line-2);background:var(--bg)}}

/* ---------- v5: results, locks, certificate ---------- */
.vibe{font:700 22px var(--head);margin:6px 0}
ul.lsn li.lock{border-style:dashed;background:var(--bg);color:var(--mut)}
ul.lsn .rowlock{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;align-items:center;flex-wrap:wrap}
.route li.todo .stoplink{color:inherit}
.certwrap{max-width:980px;margin:0 auto}
.cert{background:#fff;border-radius:6px;padding:14px;border:1px solid var(--line-2);box-shadow:0 18px 50px rgba(40,30,110,.18);background-image:linear-gradient(135deg,oklch(0.97 0.03 90),#fff 40%,oklch(0.96 0.03 280))}
.cert-in{border:3px double var(--accent-dark);padding:34px 36px;text-align:center}
.cert-org{font:700 20px var(--head);color:var(--accent-dark);margin:0}
.cert-prog{margin:4px 0 18px;color:var(--mut);font-size:15px}
.cert h1{font:700 clamp(28px,5vw,44px)/1.1 var(--head);margin:4px 0 14px;color:var(--ink)}
.cert-sm{margin:0;color:var(--mut)}
.cert-name{font:700 clamp(30px,6vw,52px)/1.15 var(--head);margin:6px 0 10px;color:var(--accent-dark);border-bottom:2px solid var(--warm-strong);display:inline-block;padding:0 20px 4px}
.cert-txt{max-width:640px;margin:10px auto 22px;font-size:18px}
.cert-foot{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:end;margin-top:10px}
.cert-foot span{display:block;font-size:13px;color:var(--mut)}.cert-foot strong{font-size:16px}
.cert-seal{width:64px;height:64px;border-radius:50%;border:3px solid var(--warm-strong);display:grid;place-items:center;font-size:28px}
.cert-sign .line{display:block;border-top:1px solid var(--ink);margin:0 0 4px;height:0}
.cert-id{margin:18px 0 4px;font-size:13px;color:var(--mut);letter-spacing:.04em}
.cert-fine{margin:0;font-size:12px;color:var(--mut)}
.certact{margin-top:20px}
@media (max-width:640px){.cert-in{padding:22px 14px}.cert-foot{grid-template-columns:1fr}.cert-seal{margin:0 auto}}
@media print{
  body.certpage *{visibility:hidden}
  body.certpage .cert,body.certpage .cert *{visibility:visible}
  body.certpage .cert{position:absolute;left:0;top:0;width:100%;box-shadow:none;border:0}
}

.cert-title{font:700 clamp(28px,5vw,44px)/1.1 var(--head);margin:4px 0 14px;color:var(--ink)}
.cert.sample{position:relative;overflow:hidden}
.cert.sample::after{content:"SAMPLE";position:absolute;inset:0;display:grid;place-items:center;font:800 clamp(64px,16vw,170px) var(--head);color:oklch(0.6 0.1 280 / .13);transform:rotate(-18deg);pointer-events:none}
.certwrap+h2{margin-top:40px}

.cert-logo{display:block;margin:0 auto 8px;height:44px;width:auto}

.hvw:hover{color:#fff!important;text-decoration:none}
.cert-logo{display:block;height:54px;width:auto;margin:0 auto 8px}
footer a.hvw{display:inline;padding:0}footer nav a.hvw,footer address a.hvw{display:block}

.result{display:flex;gap:18px;align-items:center;border-radius:18px;padding:16px 20px;margin:12px 0;border:2px solid}
.result .rscore{font:800 44px/1 var(--head)}.result p{margin:0}.result .rverdict{font:800 22px var(--head)}
.result.pass{background:var(--mint-soft);border-color:var(--mint);color:var(--mint-ink)}
.result.fail{background:oklch(0.96 0.03 25);border-color:oklch(0.7 0.14 25);color:oklch(0.38 0.14 25)}