/* SG EduTech navigation, hub pages and unified catalogue */
:root{--sg-navy:#071d4f;--sg-blue:#1369a8;--sg-orange:#f36b21;--sg-teal:#007d83;--sg-ink:#18253a;--sg-muted:#60708a;--sg-line:#dce5f0;--sg-soft:#f4f7fb;--sg-white:#fff}
.sg-nav-inner{max-width:1320px;margin:0 auto;padding:0 26px;display:flex;align-items:stretch;gap:2px}
.sg-nav-item{position:relative;display:flex;align-items:stretch}
.sg-nav-link{display:flex;align-items:center;gap:6px;padding:0 14px;min-height:50px;text-decoration:none!important;color:var(--sg-navy)!important;font-size:.86rem;font-weight:800;border-bottom:3px solid transparent;white-space:nowrap}
.sg-nav-link:hover,.sg-nav-link.active{color:var(--sg-orange)!important;border-bottom-color:var(--sg-orange);background:#f7f9fc}
.sg-dropdown-menu{display:none;position:absolute;top:calc(100% - 1px);left:0;width:310px;background:#fff;border:1px solid var(--sg-line);border-radius:0 0 18px 18px;box-shadow:0 20px 45px rgba(7,29,79,.15);padding:10px;z-index:500}
.sg-nav-item:hover>.sg-dropdown-menu,.sg-nav-item:focus-within>.sg-dropdown-menu,.sg-nav-item.open>.sg-dropdown-menu{display:block}
.sg-dropdown-menu a{display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:center;padding:11px 12px;border-radius:12px;text-decoration:none!important;color:var(--sg-navy)!important}
.sg-dropdown-menu a:hover{background:#f2f6fb;color:var(--sg-orange)!important}
.sg-dropdown-menu i{width:34px;height:34px;border-radius:10px;background:#eef4fb;display:grid;place-items:center;color:var(--sg-orange)}
.sg-dropdown-menu strong{display:block;font-size:.84rem}.sg-dropdown-menu small{display:block;color:var(--sg-muted);font-size:.7rem;margin-top:2px}
.desktop-nav .sg-nav-item{height:44px}.desktop-nav .sg-nav-link{min-height:44px;border-radius:999px;border-bottom:0;padding:0 12px}
.desktop-nav .sg-dropdown-menu{top:44px;border-radius:18px;left:50%;transform:translateX(-42%)}
.desktop-nav .sg-nav-link:hover,.desktop-nav .sg-nav-link.active{background:#edf3fb}
.sg-mobile-group-label{padding:14px 4px 5px!important;border-bottom:0!important;color:var(--sg-orange)!important;text-transform:uppercase;letter-spacing:.08em;font-size:.7rem!important}
.mobile-nav .sg-mobile-sub{padding-left:22px!important;font-size:.86rem!important;color:#35506f!important}
.sg-hub-hero{background:linear-gradient(130deg,#061846 0%,#0c3b78 58%,#00848b 100%);color:#fff;padding:74px 26px}
.sg-hub-hero-inner{max-width:1320px;margin:auto;display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}
.sg-hub-hero h1{font-family:'Syne',sans-serif;font-size:clamp(2.3rem,5vw,4.5rem);line-height:1.02;letter-spacing:-.04em;margin:0 0 18px;color:#fff}
.sg-hub-hero p{font-size:1.04rem;line-height:1.72;color:#dce9ff;max-width:790px}
.sg-hero-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);border-radius:25px;padding:24px;backdrop-filter:blur(9px)}
.sg-hero-card strong{display:block;font-family:'Syne',sans-serif;font-size:2rem;color:#fff}.sg-hero-card span{color:#dce9ff;font-size:.84rem}
.sg-tab-shell{max-width:1320px;margin:-28px auto 0;padding:0 26px;position:relative;z-index:5}
.sg-tab-list{display:flex;gap:8px;overflow-x:auto;background:#fff;border:1px solid var(--sg-line);border-radius:20px;padding:9px;box-shadow:0 14px 35px rgba(7,29,79,.12);scrollbar-width:thin}
.sg-tab-button{flex:1;min-width:max-content;border:0;background:transparent;color:var(--sg-navy);border-radius:13px;padding:13px 18px;font-weight:900;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}
.sg-tab-button:hover{background:#f2f6fb}.sg-tab-button.active{background:var(--sg-navy);color:#fff}
.sg-tab-panel{display:none}.sg-tab-panel.active{display:block}
.sg-page-section{padding:62px 0}.sg-page-section.soft{background:var(--sg-soft)}
.sg-container{max-width:1320px;margin:auto;padding:0 26px}
.sg-section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.sg-section-title h2{font-family:'Syne',sans-serif;color:var(--sg-navy);font-size:clamp(1.65rem,3vw,2.45rem);line-height:1.12}.sg-section-title p{color:var(--sg-muted);max-width:760px;margin-top:8px}
.sg-category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.sg-category-card{background:#fff;border:1px solid var(--sg-line);border-radius:24px;padding:26px;box-shadow:0 12px 34px rgba(7,29,79,.07);display:flex;flex-direction:column;min-height:100%}.sg-category-card:hover{transform:translateY(-4px);box-shadow:0 20px 45px rgba(7,29,79,.12)}
.sg-category-icon{width:58px;height:58px;border-radius:17px;background:linear-gradient(135deg,var(--sg-navy),var(--sg-teal));color:#fff;display:grid;place-items:center;font-size:1.45rem;margin-bottom:17px}.sg-category-card h3{font-family:'Syne',sans-serif;color:var(--sg-navy);font-size:1.24rem;margin-bottom:8px}.sg-category-card p{color:var(--sg-muted);font-size:.9rem;flex:1}.sg-category-card .btn{margin-top:18px;align-self:flex-start}
.sg-grade-filter{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 24px}.sg-grade-chip{border:1px solid var(--sg-line);background:#fff;color:var(--sg-navy);border-radius:999px;padding:8px 13px;font-size:.8rem;font-weight:900;cursor:pointer}.sg-grade-chip:hover,.sg-grade-chip.active{background:var(--sg-orange);color:#fff;border-color:var(--sg-orange)}
.sg-filter-card{position:sticky;top:97px;z-index:25;background:rgba(255,255,255,.97);border:1px solid var(--sg-line);border-radius:21px;padding:16px;box-shadow:0 12px 35px rgba(7,29,79,.08);margin-bottom:22px}
.sg-filter-row{display:grid;grid-template-columns:minmax(240px,1.5fr) repeat(4,minmax(145px,.7fr));gap:12px}.sg-filter-field{position:relative}.sg-filter-field i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--sg-muted)}.sg-filter-field input,.sg-filter-field select{width:100%;height:48px;border:1px solid var(--sg-line);border-radius:13px;background:#fff;padding:0 14px;outline:none;color:var(--sg-ink)}.sg-filter-field input{padding-left:42px}.sg-filter-field input:focus,.sg-filter-field select:focus{border-color:var(--sg-blue);box-shadow:0 0 0 4px rgba(19,105,168,.1)}
.sg-result-summary{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:17px 2px;color:var(--sg-muted);font-size:.88rem}.sg-result-summary strong{color:var(--sg-navy)}
.sg-load-more-wrap{text-align:center;margin-top:30px}.sg-info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.sg-info-card{background:#fff;border:1px solid var(--sg-line);border-radius:21px;padding:25px}.sg-info-card h3{font-family:'Syne',sans-serif;color:var(--sg-navy);margin-bottom:9px}.sg-info-card p,.sg-info-card li{color:var(--sg-muted);font-size:.9rem;line-height:1.65}.sg-info-card ul{padding-left:20px;margin-top:10px}
.sg-price-table{width:100%;border-collapse:collapse;margin-top:16px}.sg-price-table th,.sg-price-table td{text-align:left;padding:12px;border-bottom:1px solid var(--sg-line);font-size:.86rem}.sg-price-table th{background:#f5f8fc;color:var(--sg-navy)}
.sg-redirect{min-height:75vh;display:grid;place-items:center;background:var(--sg-soft);padding:30px}.sg-redirect-card{max-width:620px;background:#fff;border:1px solid var(--sg-line);border-radius:24px;padding:34px;text-align:center;box-shadow:0 18px 45px rgba(7,29,79,.1)}.sg-redirect-card h1{font-family:'Syne',sans-serif;color:var(--sg-navy);margin-bottom:10px}.sg-redirect-card p{color:var(--sg-muted);margin-bottom:20px}
.sg-brand-strip{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.sg-brand-pill{background:#eef4fb;border:1px solid #d7e3f0;border-radius:999px;padding:7px 11px;color:var(--sg-navy);font-size:.76rem;font-weight:900}
.sg-hidden{display:none!important}
@media(max-width:1050px){.sg-hub-hero-inner{grid-template-columns:1fr}.sg-category-grid{grid-template-columns:repeat(2,1fr)}.sg-filter-row{grid-template-columns:1fr 1fr}.sg-nav-inner{overflow-x:auto}.sg-nav-item{flex-shrink:0}}
@media(max-width:768px){.sg-category-grid,.sg-info-grid,.sg-filter-row{grid-template-columns:1fr}.sg-hub-hero{padding:55px 18px}.sg-container,.sg-tab-shell{padding-left:18px;padding-right:18px}.sg-tab-list{border-radius:16px}.sg-section-title,.sg-result-summary{align-items:flex-start;flex-direction:column}.sg-filter-card{position:static}.sg-hub-hero h1{font-size:2.55rem}.nav-bar{display:none!important}}

.sg-region-selector{display:flex;align-items:center;gap:7px;border:1px solid #d2dce8;background:#fff;border-radius:10px;padding:7px 9px;color:#0b3971;font-size:.82rem;white-space:nowrap}
.sg-region-selector select{border:0;background:transparent;color:#0b3971;font:inherit;max-width:170px;outline:none;cursor:pointer}
@media(max-width:1100px){.sg-region-selector{display:none}}
.sg-admin-body{background:#f4f7fb}.sg-admin-shell{max-width:1500px;margin:0 auto;padding:28px 24px 60px}.sg-admin-top{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}.sg-admin-top h1{margin:0 0 8px}.sg-admin-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:20px}.sg-admin-card{background:#fff;border:1px solid #dbe4ee;border-radius:14px;padding:18px;box-shadow:0 8px 24px rgba(11,57,113,.06)}.sg-admin-card label{display:block;font-weight:700;font-size:.82rem;margin-bottom:6px;color:#37506e}.sg-admin-card input,.sg-admin-card select,.sg-admin-table input,.sg-admin-table select{width:100%;border:1px solid #cbd7e5;border-radius:8px;padding:9px 10px;font:inherit}.sg-admin-actions{display:flex;gap:10px;flex-wrap:wrap}.sg-admin-table-wrap{overflow:auto;background:#fff;border:1px solid #dbe4ee;border-radius:14px}.sg-admin-table{width:100%;border-collapse:collapse;min-width:1250px}.sg-admin-table th,.sg-admin-table td{padding:10px 12px;border-bottom:1px solid #e8eef5;text-align:left;vertical-align:middle;font-size:.84rem}.sg-admin-table th{position:sticky;top:0;background:#0b3971;color:#fff;z-index:2}.sg-admin-table tbody tr:hover{background:#f7faff}.sg-admin-table input{min-width:105px}.sg-admin-note{font-size:.78rem;color:#66788d}.sg-status{padding:10px 13px;border-radius:9px;background:#eaf7ef;color:#166534;font-weight:700;display:none}.sg-status.error{background:#fff1f2;color:#9f1239}.sg-price-source{font-size:.76rem;color:#62758d}.sg-price-source a{color:#0b5bb5}.sg-admin-login{display:flex;gap:8px;align-items:center}.sg-admin-login input{min-width:220px;border:1px solid #cbd7e5;border-radius:8px;padding:9px}.sg-market-badge{display:inline-flex;padding:4px 7px;border-radius:999px;background:#eef6ff;color:#0b5bb5;font-size:.72rem;font-weight:700}.sg-no-market{color:#8a99aa;font-size:.75rem}@media(max-width:900px){.sg-admin-grid{grid-template-columns:1fr 1fr}.sg-admin-top{flex-direction:column}}@media(max-width:580px){.sg-admin-grid{grid-template-columns:1fr}.sg-admin-shell{padding:18px 12px}}

.sg-catalogue-note{display:flex;gap:12px;align-items:flex-start;background:#f3f8fb;border:1px solid #d7e5ee;border-radius:18px;padding:15px 17px;margin:18px 0;color:var(--sg-navy)}.sg-catalogue-note i{color:var(--sg-teal);margin-top:3px}.sg-catalogue-note div{display:flex;flex-direction:column;gap:3px}.sg-catalogue-note span{color:var(--sg-muted);font-size:.86rem;line-height:1.5}