*{box-sizing:border-box;margin:0;padding:0}
:root{
  --nav:#232b38;
  --nav2:#2b3545;
  --accent:#8ec82f;
  --accent-d:#6ba818;
  --text:#1a1a1a;
  --muted:#888;
  --line:#e5e5e5;
  --bg:#f5f6f8;
  --card:#fff;
}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.4;padding-bottom:60px}

/* ---- TOPBAR ---- */
.topbar{background:var(--nav);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.topbar-inner{max-width:1240px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:24px;height:64px}
.logo{font-weight:800;font-size:22px;color:#fff;text-decoration:none;letter-spacing:-.5px}
.logo span{color:var(--accent)}
.mainnav{display:flex;gap:18px}
.mainnav a{color:#cfd6e2;text-decoration:none;font-size:14px;font-weight:500;transition:color .15s}
.mainnav a:hover{color:#fff}
.topbar-search{margin-left:auto;display:flex;position:relative}
.topbar-search input{background:var(--nav2);border:1px solid #39445a;color:#fff;border-radius:6px;padding:8px 34px 8px 12px;font-size:13px;width:240px;outline:none}
.topbar-search input::placeholder{color:#8892a6}
.topbar-search button{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:transparent;border:0;color:#8892a6;cursor:pointer;font-size:16px}
.topbar-actions{display:flex;align-items:center;gap:14px}
.icon-btn{color:#cfd6e2;text-decoration:none;font-size:18px;opacity:.75;transition:opacity .15s}
.icon-btn:hover{opacity:1}
.btn-login{background:var(--accent);color:#0d1b02;text-decoration:none;font-weight:700;font-size:13px;padding:9px 18px;border-radius:6px;transition:background .15s}
.btn-login:hover{background:var(--accent-d)}

/* ---- CONTENT ---- */
.crumbs{max-width:1240px;margin:20px auto 8px;padding:0 20px;font-size:12px;color:var(--muted)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--text)}
.page-title{max-width:1240px;margin:0 auto;padding:0 20px;font-size:28px;font-weight:700;letter-spacing:-.5px}
.page-meta{max-width:1240px;margin:8px auto 22px;padding:0 20px;font-size:13px;color:var(--muted)}

/* ---- FILTERS ---- */
.filters{max-width:1240px;margin:0 auto 20px;padding:16px 20px;background:#fff;border-radius:10px;display:flex;flex-wrap:wrap;gap:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.filter-block{display:flex;flex-direction:column;gap:4px;min-width:160px}
.filter-block label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.filter-block select{border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:6px;font-size:13px;cursor:pointer}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap;align-items:center;flex-basis:100%}
.chip{background:#fff3cd;color:#7a5c00;padding:6px 12px;border-radius:14px;font-size:12px;cursor:pointer;transition:.15s}
.chip:hover{background:#ffe68a}
.chip-active{background:#fff3cd}

/* ---- SECTION HEAD ---- */
.section-head{max-width:1240px;margin:0 auto 14px;padding:0 20px;display:flex;justify-content:space-between;align-items:baseline}
.section-head h2{font-size:18px;font-weight:700}
.sort{font-size:13px;color:var(--muted)}
.sort b{color:var(--text)}
.more{font-size:13px;color:#4b9dcb;text-decoration:none}
.more:hover{text-decoration:underline}

/* ---- GRID ---- */
.grid{max-width:1240px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}

.card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06);cursor:pointer;transition:transform .15s,box-shadow .15s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.1)}
.card-cover{height:150px;position:relative;background:linear-gradient(135deg,#a18cd1,#fbc2eb)}
.card-cover img{width:100%;height:100%;object-fit:cover;display:block}
.card-rating{position:absolute;top:10px;right:10px;background:rgba(0,0,0,.6);color:#ffd700;padding:3px 8px;border-radius:10px;font-size:11px;font-weight:600}
.card-author-badge{position:absolute;bottom:10px;left:10px;background:rgba(0,0,0,.55);color:#fff;padding:3px 8px;border-radius:6px;font-size:11px}
.card-body{padding:12px 14px 14px;display:flex;flex-direction:column;flex:1}
.card-type{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.card-title{font-weight:600;font-size:15px;margin-bottom:8px;line-height:1.3;color:var(--text);min-height:38px}
.card-meta{font-size:12px;color:var(--muted);margin-bottom:8px}
.card-tag{display:inline-block;background:#eef2f6;color:#5c6b7c;padding:2px 8px;border-radius:4px;font-size:11px;margin-bottom:10px}
.card-price{display:flex;align-items:baseline;gap:8px;margin-bottom:10px;min-height:24px}
.price-new{color:#2e7d32;font-weight:700;font-size:17px}
.price-old{color:#aaa;text-decoration:line-through;font-size:13px}
.price-disc{background:#e53935;color:#fff;font-size:11px;padding:2px 6px;border-radius:4px;margin-left:auto;font-weight:600}
.card-btn{margin-top:auto;padding:10px;border:0;border-radius:8px;background:#232b38;color:#fff;font-weight:600;cursor:pointer;font-size:13px;transition:background .15s}
.card-btn:hover{background:#39445a}
/* ---- PAGINATION ---- */
.pagination{max-width:1240px;margin:28px auto;padding:0 20px;display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.pagination button{padding:8px 14px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer;font-size:13px;transition:.15s}
.pagination button:hover{border-color:#232b38}
.pagination button.active{background:#232b38;color:#fff;border-color:#232b38}
.pagination button:disabled{opacity:.4;cursor:not-allowed}

/* ---- BLOCKS ---- */
.block{max-width:1240px;margin:40px auto 0;padding:0 20px}
.experts{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.expert{background:#fff;border-radius:10px;padding:16px;text-align:center;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.expert-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#a18cd1,#fbc2eb);margin:0 auto 10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:24px}
.expert-name{font-weight:600;font-size:14px;margin-bottom:4px}
.expert-desc{font-size:12px;color:var(--muted);line-height:1.4;min-height:34px}
.expert-stats{font-size:11px;color:var(--muted);margin-top:10px;display:flex;justify-content:center;gap:10px}
.schools{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.school{background:#fff;border-radius:10px;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.school-name{font-weight:600;font-size:14px;margin-bottom:6px}
.school-desc{font-size:12px;color:var(--muted);line-height:1.4}

/* ---- SEO ---- */
.seo-block{max-width:900px;margin:50px auto 0;padding:0 20px;line-height:1.65;color:#333}
.seo-block h2{font-size:22px;margin-bottom:14px;font-weight:700}
.seo-block h3{font-size:17px;margin:22px 0 10px;font-weight:600}
.seo-block p{margin-bottom:12px;font-size:14px}
.seo-block ul{margin:10px 0 14px 20px;font-size:14px}
.seo-block li{margin-bottom:8px}
.seo-block b{color:var(--text)}

/* ---- FOOTER ---- */
.footer{background:var(--nav);color:#8892a6;margin-top:60px;padding:40px 0 20px}
.footer-inner{max-width:1240px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-logo{font-weight:800;font-size:20px;color:#fff;margin-bottom:10px}
.footer-logo span{color:var(--accent)}
.footer-desc{font-size:13px;line-height:1.5}
.footer-col b{color:#fff;display:block;margin-bottom:10px;font-size:13px}
.footer-col a{display:block;color:#8892a6;text-decoration:none;font-size:13px;margin-bottom:6px;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-copy{max-width:1240px;margin:30px auto 0;padding:20px 20px 0;border-top:1px solid #39445a;font-size:12px;text-align:center}

/* ---- MODAL ---- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;padding:16px;z-index:100}
.modal.hidden{display:none}
.modal-box{background:#fff;border-radius:14px;padding:26px;max-width:400px;width:100%;position:relative;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-box h2{font-size:20px;margin-bottom:10px;font-weight:700}
.close{position:absolute;top:10px;right:14px;border:0;background:transparent;font-size:24px;cursor:pointer;color:#888;line-height:1}
.hint{color:var(--muted);font-size:13px;margin:10px 0;line-height:1.5}
.btn-wa{background:#25D366;color:#000;border:0;padding:13px 18px;border-radius:9px;font-weight:700;cursor:pointer;width:100%;font-size:15px;transition:background .15s}
.btn-wa:hover{background:#1eae54}
.qr-box{background:#fff;border:1px solid #eee;border-radius:10px;padding:14px;display:inline-block;margin:14px 0}
.qr-box img{width:220px;height:220px;display:block}
.err{color:#e53935;font-weight:600;font-size:15px}
.ok{color:#2e7d32;font-weight:600;font-size:15px}
.btn-mgr{background:#232b38;color:#fff;border:0;padding:13px 18px;border-radius:9px;font-weight:600;cursor:pointer;width:100%;margin-top:10px;font-size:15px}
.hidden{display:none}

/* ---- RESPONSIVE ---- */
@media(max-width:900px){
  .mainnav{display:none}
  .topbar-search input{width:150px}
  .footer-inner{grid-template-columns:1fr 1fr}
  .filters{flex-direction:column}
}
@media(max-width:600px){
  .topbar-inner{gap:12px;padding:0 12px}
  .logo{font-size:18px}
  .topbar-search{display:none}
  .btn-login{padding:7px 12px;font-size:12px}
  .page-title{font-size:22px}
  .grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}