/* V21 — category experience, responsive filters, learning center */
:root{--v21-purple:#74146f;--v21-green:#138a50;--v21-ink:#2f1735;--v21-muted:#736676;--v21-line:#eadfea;--v21-soft:#faf7fa}

.category-grid--visual{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.category-card--visual{min-width:0}
.category-card__media img{width:100%;height:100%;object-fit:cover}
.category-card__shade{background:linear-gradient(180deg,rgba(34,10,39,.02) 24%,rgba(34,10,39,.88) 100%)}

.category-visual-hero{position:relative;isolation:isolate;min-height:clamp(360px,42vw,570px);display:grid;align-items:end;background:#2b0e31;overflow:hidden}
.category-visual-hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:var(--category-banner);background-position:center;background-size:cover;transform:scale(1.01)}
.category-visual-hero__shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(30,9,36,.92) 0%,rgba(44,14,52,.72) 46%,rgba(12,76,55,.24) 100%)}
.category-visual-hero__content{width:100%;display:grid;grid-template-columns:minmax(0,1fr) minmax(190px,320px);align-items:end;gap:clamp(28px,5vw,76px);padding-top:clamp(70px,8vw,120px);padding-bottom:clamp(48px,7vw,88px);color:#fff}
.category-visual-hero h1{max-width:840px;margin:.35rem 0 1rem;font-size:clamp(3rem,7vw,6.2rem);line-height:.94;letter-spacing:-.055em;color:#fff}
.category-visual-hero p{max-width:720px;margin:0 0 1rem;font-size:clamp(1rem,1.6vw,1.28rem);line-height:1.7;color:rgba(255,255,255,.86)}
.category-visual-hero strong{font-weight:650;color:#c8f7dc}
.category-visual-hero__icon{justify-self:end;width:min(28vw,290px);aspect-ratio:1;border:1px solid rgba(255,255,255,.35);border-radius:32px;overflow:hidden;background:rgba(255,255,255,.12);box-shadow:0 28px 70px rgba(0,0,0,.24);backdrop-filter:blur(8px)}
.category-visual-hero__icon img{width:100%;height:100%;object-fit:cover}

.catalog-category-tabs{border-bottom:1px solid var(--v21-line);background:#fff}
.category-tabs-scroll{display:flex;flex-wrap:nowrap;gap:12px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;padding-top:16px;padding-bottom:16px}
.category-tabs-scroll::-webkit-scrollbar{display:none}
.category-tab{flex:0 0 auto;min-width:170px;display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--v21-line);border-radius:18px;background:#fff;color:var(--v21-ink);scroll-snap-align:start;box-shadow:0 8px 22px rgba(47,23,53,.04);transition:.2s ease}
.category-tab:hover{transform:translateY(-2px);border-color:#d8bfd8}
.category-tab.active{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--v21-purple),var(--v21-green));box-shadow:0 14px 30px rgba(116,20,111,.2)}
.category-tab img{width:42px;height:42px;border-radius:12px;object-fit:cover;background:#f5edf5}
.category-tab span{font-weight:650;white-space:nowrap}
.category-tab small{min-width:28px;text-align:center;padding:4px 7px;border-radius:999px;background:#f5edf5;color:#735d77}
.category-tab.active small{background:rgba(255,255,255,.17);color:#fff}
.category-tab__all{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#f6eaf5;font-size:1.2rem}
.category-tab.active .category-tab__all{background:rgba(255,255,255,.17)}

.catalog-sticky-tools{position:sticky;top:var(--site-header-height,0px);z-index:60;padding:14px 0;background:rgba(255,255,255,.92);border-bottom:1px solid var(--v21-line);backdrop-filter:blur(14px)}
.catalog-filter-shell{border:1px solid var(--v21-line);border-radius:22px;background:#fff;box-shadow:0 14px 38px rgba(47,23,53,.07)}
.catalog-filter-shell>summary{display:none;list-style:none;padding:15px 18px;cursor:pointer}
.catalog-filter-shell>summary::-webkit-details-marker{display:none}
.catalog-filter-shell>summary span{display:block;font-weight:700;color:var(--v21-ink)}
.catalog-filter-shell>summary small{color:var(--v21-muted)}
.catalog-toolbar{display:grid;grid-template-columns:minmax(230px,1.5fr) minmax(180px,.8fr) minmax(310px,1.2fr) auto;gap:12px;align-items:end;padding:14px}
.catalog-field{display:grid;gap:7px;margin:0}
.catalog-field>span{font-size:.78rem;font-weight:650;color:#69566c}
.catalog-field input,.catalog-field select{width:100%;min-height:48px;border:1px solid #e5d9e5;border-radius:14px;padding:10px 14px;background:#fff;color:var(--v21-ink);outline:none}
.catalog-field input:focus,.catalog-field select:focus{border-color:#a955a4;box-shadow:0 0 0 4px rgba(169,85,164,.1)}
.catalog-price-range{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.catalog-apply{min-height:48px;white-space:nowrap}

.learning-preview{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);gap:40px;align-items:center;padding:clamp(34px,5vw,68px);border-radius:34px;color:#fff;background:linear-gradient(135deg,#34113d 0%,#74146f 54%,#138a50 120%);box-shadow:0 28px 80px rgba(52,17,61,.2)}
.learning-preview__copy h2{max-width:760px;margin:.5rem 0 1rem;font-size:clamp(2rem,4vw,4.2rem);line-height:1.02;color:#fff}
.learning-preview__copy p{max-width:700px;color:rgba(255,255,255,.82);line-height:1.75}
.learning-preview__steps{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.learning-preview__steps span{display:grid;gap:8px;min-height:130px;padding:22px;border:1px solid rgba(255,255,255,.2);border-radius:22px;background:rgba(255,255,255,.1);font-size:1.8rem;font-weight:700}
.learning-preview__steps small{font-size:.92rem;font-weight:500;color:rgba(255,255,255,.78)}

.learning-hero{padding:clamp(70px,9vw,130px) 0;background:radial-gradient(circle at 86% 12%,rgba(35,165,104,.2),transparent 28%),linear-gradient(135deg,#f9f3fa,#f2faf6)}
.learning-hero__grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:54px;align-items:center}
.learning-hero h1{max-width:900px;margin:.5rem 0 1rem;font-size:clamp(2.7rem,6vw,5.8rem);line-height:.96;letter-spacing:-.05em;color:var(--v21-ink)}
.learning-hero p{max-width:760px;font-size:1.15rem;line-height:1.75;color:var(--v21-muted)}
.learning-hero__topics{display:flex;flex-wrap:wrap;gap:10px}
.learning-hero__topics span{padding:12px 16px;border:1px solid #ddcddd;border-radius:999px;background:#fff;color:#5a355e;box-shadow:0 8px 20px rgba(47,23,53,.05)}
.learning-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.learning-card{overflow:hidden;border:1px solid var(--v21-line);border-radius:24px;background:#fff;box-shadow:0 18px 45px rgba(47,23,53,.08)}
.learning-card__media{display:block;aspect-ratio:16/9;overflow:hidden;background:#f1e9f1}
.learning-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.learning-card:hover .learning-card__media img{transform:scale(1.035)}
.learning-card__body{padding:22px}
.learning-card__body>span{font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;color:var(--v21-green);font-weight:700}
.learning-card h2{margin:.6rem 0 .7rem;font-size:1.35rem;line-height:1.25;color:var(--v21-ink)}
.learning-card p{color:var(--v21-muted);line-height:1.65}
.learning-grid--compact{grid-template-columns:repeat(3,minmax(0,1fr))}

.article-hero{padding:clamp(64px,8vw,110px) 0;background:linear-gradient(135deg,#f8f1f8,#edf8f3)}
.article-hero__grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:52px;align-items:center}
.article-hero h1{margin:.7rem 0 1rem;font-size:clamp(2.5rem,5.5vw,5.3rem);line-height:.98;letter-spacing:-.045em;color:var(--v21-ink)}
.article-hero p{font-size:1.16rem;line-height:1.75;color:var(--v21-muted)}
.article-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:30px;box-shadow:0 24px 70px rgba(47,23,53,.16)}
.article-back{display:inline-block;margin-bottom:20px;color:var(--v21-purple)}
.article-meta{display:flex;flex-wrap:wrap;gap:12px 24px;color:#806f82;font-size:.9rem}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(260px,340px);justify-content:center;gap:60px;padding-top:clamp(50px,7vw,90px);padding-bottom:clamp(60px,8vw,110px)}
.article-content{font-size:1.08rem;line-height:1.95;color:#443747;white-space:normal}
.article-aside{align-self:start;position:sticky;top:calc(var(--site-header-height,0px) + 24px);padding:26px;border:1px solid var(--v21-line);border-radius:22px;background:#fff;box-shadow:0 16px 40px rgba(47,23,53,.07)}
.article-aside h2{font-size:1.35rem;color:var(--v21-ink)}

.admin-content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.admin-content-card{overflow:hidden;border:1px solid #e8dce8;border-radius:22px;background:#fff}
.admin-content-card__media{position:relative;aspect-ratio:16/8;overflow:hidden;background:#f3ebf3}
.admin-content-card__media img{width:100%;height:100%;object-fit:cover}
.admin-content-card__body{padding:20px}
.admin-content-card__body>small{color:#138a50;text-transform:uppercase;letter-spacing:.1em}
.admin-content-card__body h3{margin:.45rem 0;font-size:1.25rem}
.admin-content-card__body p{color:#756778;line-height:1.55}
.admin-content-card__actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.admin-content-card__actions form{margin:0}
.article-editor{min-height:520px!important;line-height:1.7}
.admin-image-preview--banner{aspect-ratio:16/7}
.admin-image-preview--banner img{width:100%;height:100%;object-fit:cover}

@media(max-width:1100px){
  .category-grid--visual{grid-template-columns:repeat(3,minmax(0,1fr))}
  .catalog-toolbar{grid-template-columns:1fr 1fr}
  .catalog-field--search,.catalog-price-range{grid-column:span 1}
  .learning-preview,.learning-hero__grid,.article-hero__grid{grid-template-columns:1fr}
  .learning-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-layout{grid-template-columns:minmax(0,760px)}
  .article-aside{position:static}
}

@media(max-width:760px){
  .category-grid--visual{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin-inline:-14px;padding:4px 14px 14px}
  .category-grid--visual::-webkit-scrollbar{display:none}
  .category-card--visual{flex:0 0 min(78vw,310px);scroll-snap-align:start}
  .category-visual-hero{min-height:480px}
  .category-visual-hero__shade{background:linear-gradient(180deg,rgba(28,8,34,.4),rgba(28,8,34,.94))}
  .category-visual-hero__content{grid-template-columns:1fr;padding-top:80px;padding-bottom:42px}
  .category-visual-hero h1{font-size:clamp(2.8rem,15vw,4.6rem)}
  .category-visual-hero__icon{display:none}
  .category-tabs-scroll{margin-inline:-14px;padding-inline:14px}
  .category-tab{min-width:154px}
  .catalog-sticky-tools{padding:10px 0}
  .catalog-filter-shell>summary{display:flex;justify-content:space-between;align-items:center}
  .catalog-filter-shell:not([open]) .catalog-toolbar{display:none}
  .catalog-toolbar{grid-template-columns:1fr;padding:12px}
  .catalog-field--search,.catalog-price-range{grid-column:auto}
  .catalog-price-range{grid-template-columns:1fr 1fr}
  .catalog-apply{width:100%}
  .learning-preview{padding:30px 20px;border-radius:26px}
  .learning-preview__steps{grid-template-columns:1fr 1fr}
  .learning-preview__steps span{min-height:100px;padding:16px;font-size:1.35rem}
  .learning-hero{padding:68px 0}
  .learning-hero h1{font-size:clamp(2.45rem,13vw,4rem)}
  .learning-grid,.learning-grid--compact{grid-template-columns:1fr}
  .article-hero__grid{gap:28px}
  .article-hero img{border-radius:22px}
  .article-layout{padding-inline:14px;gap:30px}
  .admin-content-grid{grid-template-columns:1fr}
}

@media(max-width:430px){
  .category-tab{min-width:146px}
  .catalog-price-range{gap:8px}
  .catalog-field input,.catalog-field select{padding-inline:10px}
  .learning-preview__steps{grid-template-columns:1fr}
}