/* ================= COURSES ================= */
.toolbar{position:sticky;top:74px;z-index:40;padding:14px 0;background:rgba(var(--sh),.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.toolbar .wrap-wide{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.vchips,.lchips{display:flex;flex-wrap:wrap;gap:6px}
.vchips .chip em{font-style:normal;font-size:11px;padding:1px 7px;border-radius:999px;background:var(--chip);color:var(--tx3)}
.vchips .chip i{width:8px;height:8px;border-radius:50%;background:var(--c)}
.tools-r{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.search{position:relative;min-width:240px}
.search input{width:100%;padding:12px 16px 12px 42px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--tx);font-size:14.5px}
html[dir=rtl] .search input{padding:12px 42px 12px 16px}
.search input:focus{outline:none;border-color:var(--gold-400);box-shadow:0 0 0 4px rgba(240,196,107,.15)}
.search svg{position:absolute;inset-inline-start:15px;top:50%;transform:translateY(-50%);width:18px;color:var(--tx3)}
.viewt{display:flex;padding:4px;border-radius:999px;border:1px solid var(--line)}
.viewt button{width:38px;height:34px;border-radius:999px;display:grid;place-items:center;color:var(--muted)}
.viewt button.on{background:var(--inv);color:var(--inv-tx)}
.viewt svg{width:17px;height:17px}

/* vendor banner */
.vbanner{display:grid;grid-template-columns:1.1fr 1fr;border-radius:28px;overflow:hidden;border:1px solid var(--line);background:var(--card);margin-bottom:40px;min-height:260px}
.vbanner .vi{position:relative;overflow:hidden}
.vbanner .vi img{position:absolute;inset:0;width:100%;height:100%}
.vbanner .vt{padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;justify-content:center;gap:12px}
.vbanner h2{font-size:clamp(36px,4vw,60px)}
.vbanner p{color:var(--muted)}
.vbanner.swap{animation:vbIn .9s var(--ease)}
.vbanner.swap .vi img{animation:fxBlinds 1.2s var(--ease-io) both;-webkit-mask-image:linear-gradient(90deg,#000 var(--b),transparent var(--b));mask-image:linear-gradient(90deg,#000 var(--b),transparent var(--b));-webkit-mask-size:12.5% 100%;mask-size:12.5% 100%}
@keyframes vbIn{from{opacity:.4}to{opacity:1}}
@media(max-width:800px){.vbanner{grid-template-columns:1fr}.vbanner .vi{height:200px}}

.res-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:14px;color:var(--muted)}
.res-meta b{color:var(--tx);font-family:var(--f-head);font-size:20px}

/* list view */
.clist{border-top:1px solid var(--line)}
.crow{display:grid;grid-template-columns:60px 150px 130px 1fr 130px 44px;gap:20px;align-items:center;padding:22px 8px;border-bottom:1px solid var(--line);cursor:pointer;position:relative;transition:padding .45s var(--ease),background .3s}
.crow::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,color-mix(in srgb,var(--vc) 10%,transparent),transparent 70%);opacity:0;transition:opacity .4s;pointer-events:none}
.crow:hover{padding-inline-start:22px}
.crow:hover::before{opacity:1}
.crow .ix{font-family:var(--f-head);font-size:14px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.crow .vn{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--vc)}
.crow .vn i{width:8px;height:8px;border-radius:50%;background:var(--vc)}
.crow code{font-family:'JetBrains Mono',ui-monospace,Consolas,monospace;font-size:12.5px;font-weight:600;padding:5px 10px;border-radius:8px;background:color-mix(in srgb,var(--vc) 13%,transparent);color:color-mix(in srgb,var(--vc) 72%,var(--tx));justify-self:start}
.crow h3{font-size:clamp(19px,1.7vw,25px);font-weight:500;letter-spacing:-.02em}
.crow h3 small{display:block;font-family:var(--f-body);font-size:13.5px;color:var(--muted);font-weight:400;letter-spacing:0;margin-top:6px;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crow .lv{font-size:12.5px;font-weight:700;color:var(--tx2)}
.crow .go{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:.4s var(--ease)}
.crow:hover .go{background:var(--inv);color:var(--inv-tx);border-color:var(--inv);transform:rotate(-45deg)}
html[dir=rtl] .crow .go svg{transform:scaleX(-1)}
.crow .go svg{width:18px;height:18px}
@media(max-width:900px){.crow{grid-template-columns:1fr auto;gap:8px 14px}.crow .ix,.crow .lv{display:none}.crow .vn{grid-column:1}.crow code{grid-column:2;grid-row:1}.crow h3{grid-column:1/-1}.crow .go{display:none}}

/* cursor preview */
.hover-pre{position:fixed;left:0;top:0;z-index:60;width:300px;height:210px;border-radius:18px;overflow:hidden;pointer-events:none;opacity:0;transform:translate(-50%,-50%) scale(.6) rotate(-6deg);transition:opacity .3s,transform .5s var(--ease);box-shadow:0 30px 60px -20px rgba(0,0,0,.6)}
.hover-pre.on{opacity:1;transform:translate(-50%,-50%) scale(1) rotate(0)}
.hover-pre img{position:absolute;inset:0;width:100%;height:100%}
.hover-pre span{position:absolute;left:12px;bottom:12px;font-family:'JetBrains Mono',ui-monospace,Consolas,monospace;font-size:12px;font-weight:700;padding:5px 9px;border-radius:8px;background:rgba(5,11,26,.75);color:#fff}

/* grid view */
.cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px}
.ccard{border-radius:24px;overflow:hidden;border:1px solid var(--line);background:var(--card);cursor:pointer;display:flex;flex-direction:column;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.ccard:hover{transform:translateY(-8px);box-shadow:0 34px 60px -30px var(--shadow)}
.ccard .im{position:relative;height:180px;overflow:hidden}
.ccard .im img{width:100%;height:100%;transition:transform 1.2s var(--ease)}
.ccard:hover .im img{transform:scale(1.1)}
.ccard .im::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,11,26,.6),transparent 60%)}
.ccard .im code{position:absolute;z-index:1;left:14px;bottom:14px;font-family:'JetBrains Mono',ui-monospace,Consolas,monospace;font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:8px;background:rgba(5,11,26,.7);color:#fff;backdrop-filter:blur(6px)}
.ccard .im .vl{position:absolute;z-index:1;top:0;left:0;right:0;height:4px;background:var(--vc)}
.ccard .bd{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.ccard .vn{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--vc)}
.ccard h3{font-size:21px;font-weight:600;margin:8px 0;letter-spacing:-.02em}
.ccard p{font-size:14px;color:var(--muted);flex:1}
.ccard .meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px}
.ccard .meta span{font-size:11.5px;font-weight:600;padding:5px 9px;border-radius:8px;background:var(--chip);color:var(--tx2)}
.empty{display:none;text-align:center;padding:80px 20px;color:var(--muted)}
.empty b{display:block;font-family:var(--f-head);font-size:30px;color:var(--tx);margin-bottom:6px}

/* drawer */
.scrim{position:fixed;inset:0;z-index:170;background:rgba(2,6,15,.55);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:.4s}
.scrim.on{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;bottom:0;inset-inline-end:0;z-index:171;width:min(680px,100%);background:var(--bg0);border-inline-start:1px solid var(--line);transform:translateX(105%);transition:transform .7s var(--ease-io);display:flex;flex-direction:column;overflow:hidden}
html[dir=rtl] .drawer{transform:translateX(-105%)}
.drawer.on{transform:none}
.drawer .dscroll{overflow-y:auto;overscroll-behavior:contain;flex:1}
.dhero{position:relative;height:300px;overflow:hidden;color:#fff;display:flex;align-items:flex-end;padding:28px}
.dhero img{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.dhero::before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(0deg,rgba(5,11,26,.92),rgba(5,11,26,.15))}
.dhero>div{position:relative;z-index:1}
.dhero h2{font-size:clamp(30px,4vw,46px);margin-top:10px}
.dhero .tags{display:flex;gap:8px;flex-wrap:wrap}
.dhero .tags span{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.14);backdrop-filter:blur(6px)}
.dclose{position:absolute;top:18px;inset-inline-end:18px;z-index:2;width:44px;height:44px;border-radius:50%;background:rgba(5,11,26,.55);color:#fff;display:grid;place-items:center;font-size:18px;backdrop-filter:blur(8px)}
.dbody{padding:30px 28px 40px;display:grid;gap:34px}
.dbody h4{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);font-family:var(--f-body);font-weight:700;margin-bottom:14px}
.dbody .ov{font-size:17px;line-height:1.6;color:var(--tx2)}
.dom{display:grid;gap:12px}
.dom div{display:grid;grid-template-columns:1fr auto;gap:6px 12px;font-size:14px;font-weight:600}
.dom div span{color:var(--muted);font-variant-numeric:tabular-nums}
.dom .b{grid-column:1/-1;height:7px;border-radius:7px;background:rgba(var(--fg),.08);overflow:hidden}
.dom .b i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--vc),color-mix(in srgb,var(--vc) 50%,#fff));width:0;transition:width 1.2s var(--ease)}
.facts3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.facts3 div{border:1px solid var(--line);border-radius:16px;padding:14px}
.facts3 small{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);font-weight:700}
.facts3 b{font-size:15px}
.opt{display:flex;flex-wrap:wrap;gap:8px}
.opt label{cursor:pointer}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt span{display:inline-flex;align-items:center;gap:8px;padding:10px 15px;border-radius:12px;border:1px solid var(--line);font-size:13.5px;font-weight:600;transition:.25s}
.opt input:checked+span{border-color:var(--gold-400);background:rgba(240,196,107,.13);color:var(--acc)}
.opt input:focus-visible+span{outline:2px solid var(--gold-400)}
.denq{border-radius:22px;padding:24px;background:var(--card);border:1px solid var(--line)}
.denq .two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.denq .btn{width:100%;justify-content:center}
.done-state{display:none;text-align:center;padding:20px 0}
.done-state.on{display:block;animation:viewIn .6s var(--ease)}
.done-state svg{width:74px;height:74px;margin:0 auto 14px}
.done-state circle{stroke-dasharray:190;stroke-dashoffset:190;animation:draw 1s var(--ease) forwards}
.done-state path{stroke-dasharray:40;stroke-dashoffset:40;animation:draw .6s .7s var(--ease) forwards}
.related{display:flex;align-items:center;gap:14px;padding:16px;border-radius:16px;border:1px solid var(--line);cursor:pointer;transition:.3s}
.related:hover{border-color:var(--acc2)}
.related code{font-family:'JetBrains Mono',ui-monospace,Consolas,monospace;font-size:12px;padding:4px 9px;border-radius:8px;background:var(--chip)}
@media(max-width:560px){.facts3{grid-template-columns:1fr}.denq .two{grid-template-columns:1fr}}

/* help band */
.help{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.help .card{min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;border:0;isolation:isolate}
.help .card img{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.help .card::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(5,11,26,.9),rgba(5,11,26,.2))}
.help .card h3{font-size:clamp(26px,2.6vw,38px);margin-bottom:8px}
.help .card p{color:rgba(255,255,255,.75);margin-bottom:18px;max-width:40ch}
@media(max-width:800px){.help{grid-template-columns:1fr}}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
@media(max-width:860px){.faq-grid{grid-template-columns:1fr;gap:10px}}

.hover-pre video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}