:root{--navy:#1F2A44;--amber:#E8A33D;--amber-d:#8F5714;--ink:#2C2C2A;--mute:#5F5E5A;--line:#D3D1C7;--tint:#EEF1F6;--gridc:#D3DBE7;--gridb:#B7C3D5}
*{box-sizing:border-box}
body{margin:0;font-family:Carlito,Calibri,'Segoe UI',sans-serif;color:var(--ink);background:#fff;line-height:1.45;display:flex;flex-direction:column;min-height:100vh}
a{color:var(--navy)}a:hover{color:var(--amber-d)}
.m{font-family:'STIX Two Text',Cambria,serif}
.grid{background-color:#fff;background-image:linear-gradient(var(--gridc) 1px,transparent 1px),linear-gradient(90deg,var(--gridc) 1px,transparent 1px);background-size:14px 14px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
header.site{background:var(--navy)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:36px;height:36px;border-radius:8px}
.brand b{color:#fff;font-size:22px}.brand span{color:var(--amber);font-size:16px}
nav.site{display:flex;gap:24px;flex-wrap:wrap}
nav.site a{color:#C9D1E0;text-decoration:none;padding-bottom:4px;border-bottom:2px solid transparent}
nav.site a.on{color:#fff;border-bottom-color:var(--amber)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--amber-d);text-transform:uppercase}
h1{margin:0;color:var(--navy);line-height:1.08}h2{margin:0;color:var(--navy)}
.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;padding:56px 0 32px}
.hero h1{font-size:clamp(34px,5vw,52px);margin:12px 0}
.hero p.lead{font-size:19px;color:#4A4A46;max-width:560px;margin:0 0 16px}
.btn{display:inline-block;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:6px;border:1px solid var(--navy);margin:0 8px 8px 0}
.btn.pri{background:var(--navy);color:#fff}.btn.pri:hover{color:#fff;background:#2B3A5E}
.panel{border:1px solid var(--gridb);border-radius:10px;padding:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px 20px}
.chip{display:inline-block;font-size:13px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--tint);color:var(--navy)}
.chip.amber{background:var(--amber);color:var(--navy)}
section.block{padding:24px 0}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
a.course,div.course{border:1px solid var(--line);border-radius:10px;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column}
.course .bar{height:8px}.course .body{padding:20px 22px;display:flex;flex-direction:column;gap:8px}
.course .top{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;color:var(--mute)}
.course .t{font-size:22px;font-weight:700;color:var(--navy)}.course .s{font-size:14px;color:var(--mute)}
.pill{color:#fff}
.crumbs{font-size:14px;color:var(--mute)}.crumbs a{color:var(--mute)}
.pagehead{padding:36px 0 28px;border-bottom:1px solid var(--gridb)}
.pagehead h1{font-size:clamp(30px,4.5vw,46px);margin:10px 0}
.pagehead .tag{background:#fff;display:inline-block;padding:2px 6px 2px 0}
.lessonhead{background:var(--navy);padding:24px 0 32px}
.lessonhead h1{color:#fff;font-size:clamp(30px,4.5vw,46px);margin:8px 0}.lessonhead .crumbs,.lessonhead .crumbs a{color:#C9D1E0}.lessonhead .sub{color:var(--amber);font-size:17px}
.rows{display:flex;flex-direction:column;gap:14px}
a.row,div.row{border:1px solid var(--line);border-radius:10px;padding:16px 20px;display:grid;grid-template-columns:84px 1fr auto;gap:16px;align-items:center;text-decoration:none;color:inherit}
a.row{border-color:var(--navy)}
.row .n{font-size:16px;font-weight:700;color:var(--navy)}.row .t{font-size:18px;font-weight:700;color:var(--navy);display:block}.row .s{font-size:14px;color:var(--mute)}
.row.dash{border-style:dashed;border-color:var(--gridb)}
.two{display:grid;grid-template-columns:1.7fr 1fr;gap:40px;padding:32px 0}
.side{display:flex;flex-direction:column;gap:20px}
.tintbox{background:var(--tint);border-radius:10px;padding:20px 22px}.tintbox .eyebrow{display:block;margin-bottom:10px}
.dark{background:var(--navy);border-radius:10px;padding:20px 24px;color:#fff}.dark .eyebrow{color:var(--amber);display:block;margin-bottom:8px}.dark small{color:#C9D1E0}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.flow .card{display:flex;flex-direction:column;gap:4px}.flow .eyebrow{font-size:12px}.flow b{color:var(--navy)}.flow small{color:var(--mute)}
.example{display:grid;grid-template-columns:260px 1fr;gap:10px 16px;font-size:17px;align-items:start}
.working{height:64px;border:1px solid var(--gridb)}
.dl{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:12px}
.dl b{color:var(--navy);display:block}.dl small{color:var(--mute)}.dl em{font-style:normal;font-weight:700;color:var(--amber-d)}
.dl.soon{opacity:.65}
footer.site{margin-top:auto;border-top:2px solid var(--amber);padding:14px 0;font-size:13px;color:var(--mute)}
footer.site .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:820px){.hero,.two,.three{grid-template-columns:1fr}.example{grid-template-columns:1fr}}

/* ===== Motion layer ===== */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .22s ease both}
::view-transition-new(root){animation:vt-in .35s ease both}
@keyframes vt-out{to{opacity:0;transform:translateY(-6px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(8px)}}

/* drifting graph paper */
.grid.drift,.pagehead.grid{animation:gridDrift 40s linear infinite}
@keyframes gridDrift{to{background-position:14px 14px}}

/* scroll reveal (only when JS is running) */
.js [data-r]{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0ms)}
.js [data-r].in{opacity:1;transform:none}

/* hover lift */
a.course,a.row,.flow .card,.dl,.btn,.tintbox,.card{transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-color .25s ease}
a.course:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(31,42,68,.14);border-color:var(--navy)}
a.course .bar{transition:height .25s ease}a.course:hover .bar{height:12px}
a.row:hover{transform:translateX(4px);box-shadow:0 6px 16px rgba(31,42,68,.12)}
.flow .card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:0 8px 18px rgba(31,42,68,.10)}
.btn:hover{transform:translateY(-2px)}
.btn:active,a.course:active,a.row:active{transform:scale(.98)}
.working{transition:box-shadow .2s ease,border-color .2s ease}.working:hover{border-color:var(--amber);box-shadow:inset 0 0 0 2px rgba(232,163,61,.35)}
nav.site a{transition:color .2s ease,border-color .2s ease}nav.site a:hover{color:#fff;border-bottom-color:rgba(232,163,61,.6)}
.brand img{transition:transform .5s cubic-bezier(.3,1.4,.5,1)}.brand:hover img{transform:rotate(-8deg) scale(1.08)}

/* hero entrance + amber underline sweep */
.hero h1{position:relative;display:inline-block}
.hero h1::after{content:"";position:absolute;left:0;bottom:-8px;height:4px;width:0;background:var(--amber);border-radius:2px;animation:sweep 1s .5s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes sweep{to{width:120px}}
.fadeup{animation:fadeup .7s cubic-bezier(.2,.7,.2,1) both;animation-delay:var(--d,0ms)}
@keyframes fadeup{from{opacity:0;transform:translateY(16px)}}

/* animated Argand-style figure */
.fig{display:block;width:100%;height:auto;margin-top:16px;border-radius:8px;background:#fff;border:1px solid var(--line)}
.fig .ax{stroke:#1F2A44;stroke-width:1.6;stroke-linecap:round}
.fig .gl{stroke:#D3DBE7;stroke-width:1}
.fig .vec{stroke:#1F2A44;stroke-width:3;fill:none;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1}
.fig .vec2{stroke:#E8A33D}
.fig .arc{stroke:#8F5714;stroke-width:2;fill:none;stroke-dasharray:1;stroke-dashoffset:1}
.fig .pt{fill:#E8A33D;stroke:#1F2A44;stroke-width:2;transform-box:fill-box;transform-origin:center;transform:scale(0)}
.fig text{font-family:'STIX Two Text',Cambria,serif;font-style:italic;font-size:13px;fill:#1F2A44;opacity:0}
.fig.play .vec{animation:draw 1.1s .3s ease forwards}
.fig.play .vec2{animation:draw 1.1s 1.1s ease forwards}
.fig.play .arc{animation:draw .8s 1.9s ease forwards}
.fig.play .pt{animation:pop .45s cubic-bezier(.3,1.6,.5,1) forwards}
.fig.play .p1{animation-delay:1.3s}.fig.play .p2{animation-delay:2.1s}.fig.play .p3{animation-delay:2.6s}
.fig.play text{animation:show .5s 2.4s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{to{transform:scale(1)}}
@keyframes show{to{opacity:1}}

/* progress + course map fill */
.fill{display:block;height:6px;background:var(--tint);border-radius:3px;overflow:hidden;margin-top:6px}
.fill i{display:block;height:100%;width:0;background:var(--navy);border-radius:3px;transition:width 1.2s .3s cubic-bezier(.2,.7,.2,1)}
.fill.in i{width:var(--w)}

/* "ready" pulse + new badge */
.chip.ready{position:relative}
.chip.ready::before{content:"";position:absolute;inset:-3px;border-radius:999px;border:2px solid var(--amber);opacity:0;animation:pulse 2.6s 1s ease-out infinite}
@keyframes pulse{0%{opacity:.8;transform:scale(.92)}100%{opacity:0;transform:scale(1.18)}}
.new{display:inline-block;margin-left:8px;background:var(--amber);color:var(--navy);font-size:11px;font-weight:700;letter-spacing:1px;padding:2px 7px;border-radius:999px;vertical-align:middle;text-transform:uppercase}

/* back to top / scroll progress */
.progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--amber);transform-origin:0 50%;transform:scaleX(0);z-index:50}

@media (prefers-reduced-motion:reduce){
 *,*::before,*::after{animation:none!important;transition:none!important}
 .js [data-r]{opacity:1;transform:none}
 .fig .vec,.fig .arc{stroke-dashoffset:0}.fig .pt{transform:none}.fig text{opacity:1}
 .fill i{width:var(--w)}
 .hero h1::after{width:120px}
 ::view-transition-old(root),::view-transition-new(root){animation:none}
}

/* ===== Reveal-the-answer blocks ===== */
.wk{display:flex;flex-direction:column;gap:8px}
.ans{border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
.ans summary{cursor:pointer;list-style:none;padding:8px 14px;font-weight:700;font-size:14px;color:var(--amber-d);display:flex;align-items:center;gap:8px;user-select:none;transition:background-color .2s}
.ans summary::-webkit-details-marker{display:none}
.ans summary::before{content:"";width:8px;height:8px;border-right:2px solid var(--amber-d);border-bottom:2px solid var(--amber-d);transform:rotate(-45deg);transition:transform .25s ease}
.ans summary:hover{background:var(--tint)}
.ans summary:focus-visible{outline:3px solid var(--amber);outline-offset:-3px}
.ans[open] summary{background:var(--tint)}
.ans[open] summary::before{transform:rotate(45deg)}
.ans[open] summary{font-size:0}.ans[open] summary::after{content:"Hide answer";font-size:14px}
.ans[open]{border-color:var(--amber)}
.ans-body{padding:12px 14px 14px;border-left:4px solid var(--amber);animation:ansIn .4s cubic-bezier(.2,.7,.2,1);font-size:16px}
@keyframes ansIn{from{opacity:0;transform:translateY(-8px)}}
.ans-l{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--amber-d);margin:2px 0 2px}
.ans-a{color:var(--navy);font-weight:700;margin-bottom:10px;font-size:17px}
.ans-w{color:#3A3A36;line-height:1.5}
.dark-ans{margin-top:12px;background:#fff;color:var(--ink)}
@media print{.ans{display:none}}
@media (prefers-reduced-motion:reduce){.ans-body{animation:none}}

/* ===== Answer opens out of the grid ===== */
.lessonbody{align-items:start}
.sticky{position:sticky;top:16px}
.lsec{margin:0 0 36px}
.lsec-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:2px solid var(--amber);padding-bottom:6px;margin-bottom:14px}
.lsec-h h2{font-size:24px}.slide{font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--amber-d);white-space:nowrap}
.lsec h3{font-size:18px;color:var(--navy);margin:20px 0 10px}
.lead2{margin:0 0 12px;color:#4A4A46;font-size:17px}
.lab{color:var(--navy)}
.example{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);margin-bottom:6px}
.qstack{display:flex;flex-direction:column;gap:8px;margin-bottom:10px;font-size:17px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;margin-top:6px;font-size:16px}
@media(max-width:620px){.opts{grid-template-columns:1fr}}
.def{background:var(--tint);border-radius:10px;padding:16px 20px;margin:14px 0;font-size:17px}
.def p{margin:6px 0 0}.def .eyebrow{display:block;margin-bottom:4px}.def .big{font-size:20px}
.watch{border:1px solid var(--line);border-radius:10px;padding:16px 20px;margin:14px 0;font-size:17px}.watch p{margin:6px 0}
.tick{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px;margin-right:6px}.tick.ok{background:#E3F4E8;color:#1E7A3C}.tick.no{background:#FDE8E6;color:#B42318}
.note{font-size:14px;color:var(--mute);margin:8px 0 0}
.story{font-size:17px;background:var(--tint);padding:12px 16px;border-radius:10px;margin:0 0 12px}
.tscroll{overflow-x:auto}
table.ref{border-collapse:collapse;width:100%;font-size:16px;min-width:480px}
table.ref th,table.ref td{text-align:left;padding:7px 10px;border:1px solid var(--line)}table.ref th{background:var(--navy);color:#fff;font-size:13px;letter-spacing:1px;text-transform:uppercase}
table.ref td.m{font-size:17px}
table.tt{border-collapse:collapse;margin:4px 0}table.tt th,table.tt td{border:1px solid var(--gridb);padding:4px 12px;text-align:center}table.tt th{background:var(--tint)}
a.dl{text-decoration:none;color:inherit}a.dl:hover{border-color:var(--amber);transform:translateY(-2px);box-shadow:0 6px 16px rgba(31,42,68,.10)}

details.ga{border:1px solid var(--gridb);border-radius:8px;overflow:hidden;min-height:68px;background-color:#fff;background-image:linear-gradient(var(--gridc) 1px,transparent 1px),linear-gradient(90deg,var(--gridc) 1px,transparent 1px);background-size:14px 14px;transition:border-color .2s,box-shadow .2s}
details.ga:hover{border-color:var(--amber)}
details.ga[open]{border-color:var(--amber);box-shadow:0 6px 18px rgba(31,42,68,.10)}
details.ga summary{list-style:none;cursor:pointer;min-height:68px;display:flex;align-items:center;justify-content:center;padding:6px}
details.ga summary::-webkit-details-marker{display:none}
details.ga summary:focus-visible{outline:3px solid var(--amber);outline-offset:-3px}
.s-show,.s-hide{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-weight:700;font-size:14px;color:var(--amber-d);box-shadow:0 1px 3px rgba(31,42,68,.08);transition:transform .2s,background-color .2s}
.s-show::before{content:"▸ "}.s-hide::before{content:"▾ "}
details.ga summary:hover .s-show{background:var(--amber);color:var(--navy);transform:scale(1.04)}
.s-hide{display:none}
details.ga[open] summary{min-height:0;justify-content:flex-end;padding:8px 8px 4px}
details.ga[open] .s-show{display:none}details.ga[open] .s-hide{display:inline-block}
.ga-body{margin:2px 10px 12px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:6px;padding:12px 14px;font-size:16px;animation:gaIn .4s cubic-bezier(.2,.7,.2,1)}
@keyframes gaIn{from{opacity:0;transform:translateY(-10px)}}
.ga-body .ans-a{margin-bottom:8px}
@media(max-width:820px){.sticky{position:static}.example{grid-template-columns:1fr}}
@media print{details.ga{display:none}}
@media(prefers-reduced-motion:reduce){.ga-body{animation:none}}
.two>*,.lessonbody>*{min-width:0}
@media(max-width:820px){.two,.hero,.three{grid-template-columns:minmax(0,1fr)}}
a.card{text-decoration:none;color:inherit;cursor:pointer}
a.card:hover b{color:var(--amber-d)}
.lsec{scroll-margin-top:16px}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ===== Course colours ===== */
:root{--adv:#7A2E3B;--ext1:#4A2C5A;--ext2:#1F2A44;--y10:#1D4E45}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.fchip{font:inherit;font-weight:700;font-size:14px;cursor:pointer;background:#fff;color:var(--c,var(--navy));border:2px solid var(--c,var(--navy));border-radius:999px;padding:5px 14px;transition:background-color .2s,color .2s,transform .2s}
.fchip:hover{transform:translateY(-1px)}
.fchip.on{background:var(--c,var(--navy));color:#fff}
.csec{margin:0 0 36px}.csec[hidden]{display:none}
.csec-h{display:flex;align-items:center;gap:10px;border-bottom:3px solid var(--c);padding-bottom:6px;margin-bottom:16px}
.csec-h h2{font-size:24px;color:var(--c)}.csec-h .dot{width:14px;height:14px;border-radius:4px;background:var(--c)}
.tagc{margin-left:auto;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--mute)}
.empty{margin:0;color:var(--mute);border:1px dashed var(--gridb);border-radius:10px;padding:16px 20px}

/* ===== Figures (generated) ===== */
.fxw{margin:16px 0;display:flex;flex-direction:column;align-items:center;gap:6px}
.fxw figcaption{font-size:14px;color:var(--mute);text-align:center;max-width:420px}
.fx-svg{width:min(100%,420px);height:auto;display:block}
.fx-svg .gl{stroke:#D3DBE7;stroke-width:1;fill:none}
.fx-svg .ax{stroke:#1F2A44;stroke-width:1.6;fill:none;stroke-linecap:round}
.fx-svg text{font-family:'STIX Two Text',Cambria,serif;font-size:14px;fill:#1F2A44}
.fx-svg .lb{font-style:italic}.fx-svg .tk{font-size:11px;fill:#5F5E5A}.fx-svg .al{font-size:12px;font-style:italic}
.fx-svg .vec{stroke:#1F2A44;stroke-width:2.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.fx-svg .ln{stroke:#8F5714;stroke-width:2.6;fill:none;stroke-linecap:round}
.fx-svg .cr{stroke:#8F5714;stroke-width:2.6;fill:none}.fx-svg .cr.fl{fill:rgba(232,163,61,.2)}
.fx-svg .arc{stroke:#1B7F74;stroke-width:2;fill:none}
.fx-svg .rg{fill:rgba(232,163,61,.22);stroke:none}
.fx-svg .dsh{stroke-dasharray:6 5}
.fx-svg .pt{fill:#E8A33D;stroke:#1F2A44;stroke-width:2}.fx-svg .pt.open{fill:#fff}
.fx-svg .ns{}.fx-svg .nsl{font-size:20px;font-style:normal;font-weight:700}.fx-svg .nsn{font-size:14px;font-weight:400}
.js .fx:not(.play) .d:not(.dsh){stroke-dasharray:1;stroke-dashoffset:1}
.js .fx:not(.play) .dsh,.js .fx:not(.play) .rg,.js .fx:not(.play) .head,.js .fx:not(.play) .ns{opacity:0}
.js .fx:not(.play) .pt{transform:scale(0)}
.fx .pt{transform-box:fill-box;transform-origin:center}
.fx.play .d:not(.dsh){stroke-dasharray:1;stroke-dashoffset:1;animation:fxdraw .9s calc(var(--i,1)*.3s) ease forwards}
.fx.play .dsh,.fx.play .rg,.fx.play .head,.fx.play .ns{animation:fxfade .6s calc(var(--i,1)*.3s) ease both}
.fx.play .pt{animation:fxpop .45s cubic-bezier(.3,1.6,.5,1) .5s both}
@keyframes fxdraw{to{stroke-dashoffset:0}}
@keyframes fxfade{from{opacity:0}to{opacity:1}}
@keyframes fxpop{from{transform:scale(0)}to{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.js .fx:not(.play) *{opacity:1!important;transform:none!important;stroke-dashoffset:0!important}.fx *{animation:none!important}}

/* ===== Maths (KaTeX) ===== */
.katex{font-size:1.08em}.katex-display{margin:.6em 0;overflow-x:auto;overflow-y:hidden;padding:2px 0}
.ga-body .katex-display,.def .katex-display{text-align:left}.ga-body .katex-display>.katex,.def .katex-display>.katex{text-align:left}
.katex{white-space:normal}.katex-display>.katex{white-space:nowrap}.ga-body{line-height:1.6}.ans-a.long{font-weight:400;color:var(--ink);font-size:16px}
.proofsteps{margin:6px 0;padding:0;list-style:none}.proofsteps li{padding:2px 0}
.ga-body ol,.ga-body ul,.def ul,.def ol{margin:6px 0;padding-left:22px}
.hsc-tag{display:inline-block;background:var(--amber);color:var(--navy);font-size:12px;font-weight:700;letter-spacing:1.5px;padding:2px 9px;border-radius:999px;margin-right:6px;text-transform:uppercase}
.marks{float:right;font-size:13px;font-weight:700;color:var(--mute);margin-left:12px}
.applet-cta{border-left:4px solid var(--amber)}
.nxt{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.landing-quote{margin:0;font-family:'STIX Two Text',Cambria,serif;font-size:clamp(26px,3.6vw,40px);line-height:1.2;color:var(--navy)}
.landing-quote + .by{margin-top:14px;color:var(--mute);font-size:16px}
.lcourses{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}@media(max-width:900px){.lcourses{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}}
a.lc,div.lc{display:flex;flex-direction:column;border-radius:12px;overflow:hidden;border:1px solid var(--line);text-decoration:none;color:inherit;transition:transform .25s,box-shadow .25s,border-color .25s;background:#fff}
a.lc:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(31,42,68,.16);border-color:var(--c)}
.lc .lh{background:var(--c);color:#fff;padding:20px 22px 16px}.lc .lh small{display:block;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--amber);text-transform:uppercase}.lc .lh b{font-size:28px;line-height:1.1}
.lc .lb{padding:16px 22px 20px;display:flex;flex-direction:column;gap:10px;font-size:16px;flex:1}
.lc .lb .st{margin-top:auto;font-weight:700;color:var(--c)}
.lc.soon{opacity:.82}.lc.soon .st{color:var(--mute)}
.stagehead{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--amber-d);text-transform:uppercase;margin:26px 0 12px}

.fx-svg .tk{paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round}.fx-svg .lb{paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round}
details.gfig .ga-body{display:flex;justify-content:center}details.gfig .fxw{margin:4px 0}

.dd{position:relative;display:inline-block}
.dd-t i{display:inline-block;width:6px;height:6px;margin:0 0 3px 7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .2s}
.dd:hover .dd-t i,.dd:focus-within .dd-t i{transform:rotate(225deg) translate(-2px,-2px)}
.dd-m{position:absolute;left:-14px;top:100%;min-width:15.5rem;padding:8px 0;margin-top:8px;background:#fff;border-radius:10px;box-shadow:0 12px 30px rgba(31,42,68,.28);border-top:3px solid #E8A33D;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s,visibility .18s;z-index:50}
.dd::after{content:"";position:absolute;left:0;right:0;top:100%;height:12px}
.dd:hover .dd-m,.dd:focus-within .dd-m{opacity:1;visibility:visible;transform:none}
.dd-m a{display:block;color:#1F2A44!important;padding:9px 18px;border:0!important;font-size:15px;white-space:nowrap}
.dd-m a:hover{background:#EEF1F6;color:#1F2A44}
.dd-m a.cur{font-weight:700;background:#FBF1DE;box-shadow:inset 4px 0 0 #E8A33D}
@media (prefers-reduced-motion:reduce){.dd-m,.dd-t i{transition:none}}