/* Слой — каталог курсов */

/* ---------- hero ---------- */
.cat-hero{border-bottom:1px solid #D5E1ED;background-color:var(--paper);background-image:linear-gradient(#DDE7F2 1px,transparent 1px),linear-gradient(90deg,#DDE7F2 1px,transparent 1px);background-size:48px 48px;background-position:47px -1px}
.cat-hero .wrap{padding-top:48px;padding-bottom:40px}
.crumbs{display:flex;flex-wrap:wrap;gap:10px;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute-l)}
.crumbs [aria-current]{color:var(--ink-2)}
.cat-head{margin-top:24px;display:flex;align-items:flex-end;justify-content:space-between;gap:48px}
.cat-title{font-family:var(--f-display);font-size:clamp(44px,6.7vw,96px);font-weight:600;line-height:1;letter-spacing:-.05em}
.cat-lead{max-width:360px;font-size:17px;line-height:1.55;color:var(--mute-l)}
.cat-tools{margin-top:40px;display:flex;align-items:center;gap:24px}

.search{position:relative;width:460px;flex-shrink:0;height:60px;padding:0 22px;border-radius:999px;border:1px solid var(--line-l2);background:var(--paper-2);display:flex;align-items:center;gap:12px;color:var(--ink-2);transition:border-color .3s,box-shadow .3s}
.search:focus-within{border-color:var(--ink-2);box-shadow:0 0 0 4px rgba(22,56,92,.08)}
.search input{flex-grow:1;min-width:0;height:100%;border:0;background:transparent;font:inherit;font-size:17px;color:var(--ink-2);outline:none}
.search input:focus-visible{outline:none}

.tabs{display:flex;flex-wrap:wrap;gap:8px}
.tab{height:48px;padding:0 8px 0 20px;border-radius:999px;border:1px solid var(--line-l2);display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500;white-space:nowrap;flex-shrink:0;transition:background .35s,color .35s,border-color .35s}
.tab:hover{border-color:var(--acc)}
.tab[aria-pressed="true"]{background:var(--ink-2);border-color:var(--ink-2);color:var(--paper)}
.tab .cnt{min-width:32px;height:32px;padding:0 8px;border-radius:999px;background:#DCE6F1;display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:12px;transition:background .35s,color .35s}
.tab[aria-pressed="true"] .cnt{background:var(--acc);color:var(--ink)}

/* ---------- layout ---------- */
.cat-body{padding-top:40px;padding-bottom:120px;display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:start}
.side{position:sticky;top:112px;display:flex;flex-direction:column;gap:32px}

.filt-toggle{display:none}
.filt-panel{display:flex;flex-direction:column;gap:32px}
.filt-panel fieldset{margin:0;padding:0;border:0;display:flex;flex-direction:column;gap:14px}
.filt-panel fieldset+fieldset{padding-top:24px;border-top:1px solid #D5E1ED}
.filt-panel legend{padding:0;margin-bottom:14px;float:left;width:100%;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute-l)}
.ck{display:flex;align-items:center;gap:12px;font-size:16px;cursor:pointer}
.ck input{width:20px;height:20px;margin:0;accent-color:var(--ink-2);cursor:pointer;flex-shrink:0}
.ck .ck-l{flex-grow:1;color:#3A6590;transition:color .2s}
.ck:hover .ck-l{color:var(--ink-2)}
.ck .ck-n{font-family:var(--f-mono);font-size:12px;color:var(--mute-l)}
.reset{align-self:flex-start;min-height:44px;display:flex;align-items:center;gap:8px;font-size:15px;font-weight:500;text-decoration:underline;text-underline-offset:4px}
.reset:hover{color:var(--acc)}

.promo{position:relative;overflow:hidden;padding:24px;border-radius:24px;background:var(--ink-2);color:var(--paper);display:flex;flex-direction:column;gap:14px}
.promo-deco{position:absolute;right:-40px;top:-40px;color:var(--acc);stroke-width:.8;opacity:.6}
.promo-t{position:relative;font-family:var(--f-display);font-size:20px;font-weight:600;line-height:1.2;letter-spacing:-.02em}
.promo-p{position:relative;font-size:15px;line-height:1.5;color:var(--mute-d)}
.promo .btn{position:relative;margin-top:6px;width:100%}
.promo a.btn:hover{color:var(--ink)} /* base a.btn:hover inherits paper text onto the paper fill */

/* ---------- results ---------- */
.results{display:flex;flex-direction:column;gap:24px;min-width:0}
.res-bar{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.res-count{font-family:var(--f-mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute-l)}
.res-count b{color:var(--ink-2);font-weight:500}
.sort{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--mute-l)}
.sort-box{position:relative;display:block}
.sort select{appearance:none;-webkit-appearance:none;height:44px;padding:0 44px 0 18px;border-radius:999px;border:1px solid var(--line-l2);background:var(--paper-2);font:inherit;font-size:15px;color:var(--ink-2);cursor:pointer}
.sort-box .ico{position:absolute;right:16px;top:13px;pointer-events:none;color:var(--ink-2)}

.cgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cgrid[hidden]{display:none}
.ccard{display:flex;flex-direction:column;border-radius:22px;overflow:hidden;background:var(--paper-2);border:1px solid #D5E1ED}
.ccard:hover{box-shadow:0 24px 48px -24px rgba(22,56,92,.35)}
.cc-media{position:relative;aspect-ratio:3/2;background:var(--ink-2);color:var(--acc);display:flex;align-items:center;justify-content:center;overflow:hidden;background-image:linear-gradient(#204871 1px,transparent 1px),linear-gradient(90deg,#204871 1px,transparent 1px);background-size:24px 24px}
.cc-media .zoom{display:block}
.cc-ill{display:block;width:240px;max-width:100%;height:auto;aspect-ratio:3/2}
.cc-tool{position:absolute;left:14px;top:14px;height:30px;padding:0 12px;border-radius:999px;background:var(--paper);color:var(--ink-2);display:flex;align-items:center;gap:8px;padding-left:4px;font-size:13px;font-weight:600}
.cc-level{position:absolute;right:14px;top:14px;height:30px;padding:0 12px;border-radius:999px;border:1px solid #3A6590;color:var(--paper);display:flex;align-items:center;font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.cc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex-grow:1}
.cc-title{min-height:52px;font-size:20px;font-weight:600;line-height:1.3;color:var(--ink-2)}
.cc-meta{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute-l)}
.cc-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;color:var(--ink-2)}
.cc-price{font-family:var(--f-display);font-size:20px;font-weight:600;letter-spacing:-.02em}
.cc-foot .go{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center}

.more{align-self:center;margin-top:24px;border:1px solid var(--ink-2);color:var(--ink-2)}
.more[hidden]{display:none}

.empty{min-height:520px;padding:40px 24px;border:1.5px dashed var(--line-l2);border-radius:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center}
.empty[hidden]{display:none}
.empty>.ico{color:var(--mute-l);stroke-width:1.2}
.empty-t{font-family:var(--f-display);font-size:28px;font-weight:600;letter-spacing:-.03em}
.empty-p{max-width:400px;font-size:16px;line-height:1.5;color:var(--mute-l)}
.empty .btn{height:52px;padding:0 24px;font-size:15px}

/* ---------- footer ---------- */
.site-footer .wrap{padding-top:48px;padding-bottom:32px;display:flex;flex-direction:column;gap:32px}
.ft-top{display:flex;align-items:center;justify-content:space-between;gap:24px 40px;flex-wrap:wrap}
.ft-nav{display:flex;flex-wrap:wrap;gap:12px 32px;font-size:15px}
.ft-soc{display:flex;flex-wrap:wrap;gap:8px}
.ft-soc a{height:34px;padding:0 14px;border:1px solid var(--line-d2);border-radius:999px;display:flex;align-items:center;font-size:13px}
.ft-bot{padding-top:20px;border-top:1px solid var(--line-d);display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute-d)}

/* ---------- ≤1200: tools stack ---------- */
@media (max-width:1200px){
  .cat-tools{flex-direction:column;align-items:stretch}
  .search{width:100%}
  .cgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- ≤1024 ---------- */
@media (max-width:1024px){
  .cat-hero .wrap{padding-top:32px;padding-bottom:32px}
  .cat-head{flex-direction:column;align-items:flex-start;gap:20px}
  .cat-lead{max-width:560px}
  .cat-tools{margin-top:32px}
  .cat-body{display:flex;flex-direction:column;align-items:stretch;gap:24px;padding-top:24px;padding-bottom:80px}
  .side{display:contents}
  .filters{order:1}
  .results{order:2}
  .promo{order:3}
  .filt-toggle{display:flex;width:100%;min-height:52px;padding:0 20px;border-radius:16px;border:1px solid var(--line-l2);background:var(--paper-2);align-items:center;gap:12px;font-size:16px;font-weight:600}
  .filt-toggle .ft-n{font-family:var(--f-mono);font-size:12px;font-weight:500;color:var(--mute-l);margin-left:auto}
  .filt-toggle .chev{transition:transform .35s var(--ease)}
  .filt-toggle[aria-expanded="true"] .chev{transform:rotate(180deg)}
  .filt-panel{margin-top:8px;padding:20px;border:1px solid #D5E1ED;border-radius:16px;background:var(--paper-2);display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .filt-panel[hidden]{display:none}
  .filt-panel fieldset+fieldset{padding-top:0;border-top:0}
  .filt-panel .reset{grid-column:1/-1}
  .ck{min-height:44px}
  .promo{max-width:560px}
  .promo .btn{max-width:320px}
}

/* ---------- ≤640 ---------- */
@media (max-width:640px){
  .cat-hero{background-size:32px 32px}
  .cat-tools{gap:16px}
  .search{height:56px;padding:0 18px}
  .search input{font-size:16px}
  .tabs{flex-wrap:nowrap;overflow-x:auto;margin:0 calc(-1 * var(--gutter));padding:0 var(--gutter) 4px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .tabs::-webkit-scrollbar{display:none}
  .filt-panel{grid-template-columns:1fr}
  .res-bar{flex-direction:column;align-items:stretch}
  .sort{justify-content:space-between}
  .sort-box{flex-grow:1;max-width:260px}
  .sort select{width:100%}
  .cgrid{grid-template-columns:minmax(0,1fr);gap:16px}
  .cc-title{min-height:0;font-size:19px}
  .more{width:100%}
  .empty{min-height:420px}
  .empty-t{font-size:24px}
  .promo{max-width:none}
  .promo .btn{max-width:none}
  .ft-top{flex-direction:column;align-items:flex-start}
  .ft-nav a{min-height:44px;display:flex;align-items:center}
  .ft-soc a{height:44px}
}