.site-header{position:sticky;top:0;z-index:900;background:#fff;border-bottom:1px solid var(--border)}
.navbar{height:var(--navbar-h);display:flex;align-items:center;gap:1.25rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:var(--fs-lg);color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand .logo-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#9B8CFF);display:flex;align-items:center;justify-content:center;color:#fff}
.nav-links{display:flex;align-items:center;gap:.25rem;list-style:none}
.nav-links a{display:block;padding:.5rem .85rem;border-radius:var(--radius-sm);color:var(--body-c);font-weight:700;font-size:var(--fs-sm)}
.nav-links a:hover{background:var(--primary-50);color:var(--primary)}
.nav-links a.active{color:var(--primary);background:var(--primary-50)}
.nav-actions{margin-inline-start:auto;display:flex;align-items:center;gap:.6rem}
.user-chip{display:flex;align-items:center;gap:.55rem;padding:.3rem .7rem .3rem .3rem;border:1px solid var(--border);border-radius:999px;background:#fff;position:relative}
[dir="rtl"] .user-chip{padding:.3rem .3rem .3rem .7rem}
.user-chip:hover{border-color:var(--primary-300)}
.user-chip .name{font-size:var(--fs-xs);font-weight:700;color:var(--ink);max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-menu{position:absolute;top:calc(100% + 8px);inset-inline-end:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:210px;padding:.4rem;display:none;z-index:950}
.user-menu.open{display:block;animation:popIn .2s ease}
.user-menu a,.user-menu button{display:flex;gap:.5rem;align-items:center;width:100%;text-align:start;padding:.55rem .75rem;border-radius:var(--radius-sm);color:var(--body-c);font-weight:600;font-size:var(--fs-sm);background:none;border:none}
.user-menu a:hover,.user-menu button:hover{background:var(--primary-50);color:var(--primary)}
.burger{display:none}
.mobile-nav{display:none}
.hero{background:linear-gradient(135deg,#241C4F 0%,#4B3AA8 55%,#6C5CE7 100%);color:#fff;padding:4.5rem 0 5.5rem;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(255,255,255,.14),transparent 45%),radial-gradient(circle at 10% 90%,rgba(255,255,255,.08),transparent 40%)}
.hero .container{position:relative;z-index:1;max-width:820px;text-align:center}
.hero h1{color:#fff;font-size:var(--fs-hero);margin-bottom:1rem}
.hero .lead{color:#E7E4FB;font-size:var(--fs-lg);margin-bottom:2rem;max-width:60ch;margin-inline:auto}
.hero .tagline{display:inline-flex;gap:.5rem;align-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:#fff;padding:.35rem 1rem;border-radius:999px;font-size:var(--fs-xs);font-weight:700;margin-bottom:1.5rem}
.search-box{display:flex;background:#fff;border-radius:999px;padding:.4rem;box-shadow:var(--shadow-lg);max-width:620px;margin-inline:auto}
.search-box input{flex:1;border:none;outline:none;padding:.65rem 1.25rem;font-size:var(--fs-md);color:var(--ink);background:transparent;min-width:0}
.search-box button{border-radius:999px;padding:.65rem 1.75rem}
.hero-stats{display:flex;justify-content:center;gap:2.5rem;margin-top:2.5rem;flex-wrap:wrap}
.hero-stats .stat{text-align:center}
.hero-stats .num{font-size:var(--fs-xl);font-weight:800;color:#fff}
.hero-stats .lbl{font-size:var(--fs-xs);color:#C9C3F2;font-weight:600}
.cat-card{display:flex;flex-direction:column;gap:.75rem;align-items:flex-start;padding:1.5rem;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);text-decoration:none;transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr)}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--primary-300)}
.cat-card .cat-icon{width:54px;height:54px;border-radius:14px;background:var(--primary-50);display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.cat-card h3{font-size:var(--fs-md)}
.cat-card .count{font-size:var(--fs-xs);color:var(--muted);font-weight:600}
.cat-card:hover h3{color:var(--primary)}
.course-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:transform var(--tr),box-shadow var(--tr);height:100%}
.course-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.course-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--primary-50)}
.course-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.course-card:hover .thumb img{transform:scale(1.05)}
.course-card .thumb .cat-chip{position:absolute;top:.75rem;inset-inline-start:.75rem;background:rgba(15,23,42,.75);color:#fff;font-size:var(--fs-xs);font-weight:700;padding:.2rem .6rem;border-radius:6px;backdrop-filter:blur(4px)}
.course-card .body{padding:1.1rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.course-card h3{font-size:var(--fs-md);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-card:hover h3{color:var(--primary)}
.course-card .inst{font-size:var(--fs-xs);color:var(--muted);font-weight:600}
.course-card .meta-row{display:flex;gap:1rem;flex-wrap:wrap;margin-top:auto;padding-top:.5rem}
.course-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding:.8rem 1.1rem;background:#FBFBFE}
.course-hero{background:linear-gradient(135deg,#1B1740,#3D2F96);color:#fff;padding:3rem 0}
.course-hero h1{color:#fff;margin:.5rem 0 .75rem}
.course-hero .meta{display:flex;gap:1.25rem;flex-wrap:wrap;color:#D8D4F5;font-size:var(--fs-sm);font-weight:600}
.course-hero .meta .rating-line .value{color:#FFD166}
.course-hero .meta .rating-line .count{color:#B9B3E8}
.course-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:2rem;align-items:start;padding-block:2rem}
.learn-card ul{display:grid;gap:.6rem}
.learn-card li{display:flex;gap:.6rem;align-items:start}
.learn-card li .check{color:var(--success);font-weight:800}
.module{border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:1rem;overflow:hidden;background:#fff}
.module-head{display:flex;justify-content:space-between;align-items:center;gap:.75rem;padding:1rem 1.25rem;background:#FBFBFE;cursor:pointer;user-select:none}
.module-head h3{font-size:var(--fs-md);display:flex;gap:.5rem;align-items:center}
.module-head .arrow{transition:transform var(--tr);color:var(--muted)}
.module.open .module-head .arrow{transform:rotate(90deg)}
[dir="rtl"] .module.open .module-head .arrow{transform:rotate(-90deg)}
.module-body{display:none;border-top:1px solid var(--border)}
.module.open .module-body{display:block}
.lesson-row{display:flex;align-items:center;gap:.75rem;padding:.7rem 1.25rem;border-bottom:1px solid var(--border);font-size:var(--fs-sm)}
.lesson-row:last-child{border-bottom:none}
.lesson-row .state{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;flex-shrink:0;background:var(--primary-50);color:var(--primary)}
.lesson-row.done .state{background:var(--success-bg);color:var(--success)}
.lesson-row.current .state{background:var(--primary);color:#fff}
.lesson-row.locked{color:var(--muted);cursor:not-allowed}
.lesson-row .dur{margin-inline-start:auto;color:var(--muted);font-size:var(--fs-xs);white-space:nowrap}
.lesson-row .type-ico{font-size:.85rem}
.sticky-aside{position:sticky;top:calc(var(--navbar-h) + 1rem)}
.enroll-card .thumb{border-radius:var(--radius-md);overflow:hidden;margin-bottom:1.25rem}
.enroll-card .price-big{font-size:2rem;font-weight:800;color:var(--ink)}
.review-card{padding:1.25rem;border-bottom:1px solid var(--border)}
.review-card:last-child{border-bottom:none}
.review-card .head{display:flex;gap:.75rem;align-items:center;margin-bottom:.5rem}
.lesson-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:1.5rem;padding-block:1.5rem;align-items:start}
.course-sidebar{position:sticky;top:calc(var(--navbar-h) + 1rem);max-height:calc(100vh - var(--navbar-h) - 2rem);overflow-y:auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg)}
.course-sidebar .sb-head{padding:1rem 1.25rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:#fff;z-index:2}
.course-sidebar .sb-list{padding:.5rem}
.sb-module-title{padding:.6rem .75rem;font-size:var(--fs-xs);font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.sb-item{display:flex;align-items:center;gap:.6rem;padding:.55rem .75rem;border-radius:var(--radius-sm);font-size:var(--fs-sm);color:var(--body-c);font-weight:600}
a.sb-item:hover{background:var(--primary-50);color:var(--primary)}
.sb-item.done{color:var(--success)}
.sb-item.current{background:var(--primary-100);color:var(--primary-600)}
.sb-item.locked{color:#A7B0C0;cursor:not-allowed;pointer-events:none}
.sb-item .st{width:22px;height:22px;border-radius:50%;background:#EEF1F6;display:inline-flex;align-items:center;justify-content:center;font-size:.65rem;flex-shrink:0}
.sb-item.done .st{background:var(--success-bg);color:var(--success)}
.sb-item.current .st{background:var(--primary);color:#fff}
.sb-item .dur{margin-inline-start:auto;font-size:var(--fs-xs);color:var(--muted)}
.video-shell{background:#0B0F1A;border-radius:var(--radius-md);overflow:hidden;position:relative}
.video-shell video{width:100%;aspect-ratio:16/9;background:#0B0F1A}
.video-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;color:#8E97AD;background:#0B0F1A;text-align:center;padding:2rem}
.video-controls{display:flex;align-items:center;gap:.75rem;padding:.65rem .9rem;background:#101526;color:#fff}
.video-controls button{background:none;border:none;color:#fff;font-size:1.05rem;width:30px;height:30px;border-radius:6px;display:flex;align-items:center;justify-content:center}
.video-controls button:hover{background:rgba(255,255,255,.15)}
.v-time{font-size:var(--fs-xs);font-variant-numeric:tabular-nums;color:#C7CDDC}
input[type="range"].v-seek{flex:1;accent-color:var(--primary);min-width:40px}
input[type="range"].v-vol{width:80px;accent-color:var(--primary)}
select.v-speed{background:#232B44;color:#fff;border:none;border-radius:6px;padding:.2rem .4rem;font-size:var(--fs-xs)}
.quiz-shell{max-width:760px;margin-inline:auto}
.q-meta{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.q-dots{display:flex;gap:.4rem}
.q-dot{width:10px;height:10px;border-radius:50%;background:var(--border)}
.q-dot.cur{background:var(--primary)}
.q-dot.ok{background:var(--success)}
.q-dot.bad{background:var(--danger)}
.q-card{padding:2rem}
.q-card h3{margin-bottom:1.5rem}
.opt{display:flex;align-items:center;gap:.9rem;width:100%;text-align:start;border:2px solid var(--border);background:#fff;border-radius:var(--radius-md);padding:1rem 1.25rem;font-weight:700;color:var(--ink);font-size:var(--fs-md);margin-bottom:.75rem;transition:border-color var(--tr),background var(--tr),transform var(--tr)}
.opt:hover:not(:disabled){border-color:var(--primary-300);transform:translateX(4px)}
[dir="rtl"] .opt:hover:not(:disabled){transform:translateX(-4px)}
.opt:disabled{cursor:default}
.opt .letter{width:34px;height:34px;border-radius:8px;background:var(--primary-50);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}
.opt.correct{border-color:var(--success);background:var(--success-bg)}
.opt.correct .letter{background:var(--success);color:#fff}
.opt.wrong{border-color:var(--danger);background:var(--danger-bg)}
.opt.wrong .letter{background:var(--danger);color:#fff}
.explain-box{border-inline-start:4px solid var(--info);background:var(--info-bg);border-radius:var(--radius-sm);padding:1rem 1.25rem;margin-top:1rem}
.explain-box.good{border-color:var(--success);background:var(--success-bg)}
.score-hero{text-align:center;padding:3rem 2rem}
.score-circle{width:150px;height:150px;border-radius:50%;margin:0 auto 1.25rem;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:2rem;font-weight:800;color:var(--primary);background:conic-gradient(var(--primary) var(--p,0%),var(--primary-50) 0);position:relative}
.score-circle::before{content:"";position:absolute;inset:12px;background:#fff;border-radius:50%}
.score-circle span{position:relative}
.score-circle .pct{font-size:var(--fs-sm);color:var(--muted);font-weight:700}
.score-circle.passed{color:var(--success);background:conic-gradient(var(--success) var(--p,0%),var(--success-bg) 0)}
.auth-wrap{min-height:calc(100vh - var(--navbar-h));display:flex;align-items:center;justify-content:center;padding:2.5rem 1rem;background:linear-gradient(160deg,var(--primary-50),#fff 60%)}
.auth-card{width:min(460px,100%);padding:2.25rem}
.auth-hero-side{display:none}
.demo-creds{background:var(--primary-50);border:1px dashed var(--primary-300);border-radius:var(--radius-md);padding:1rem;font-size:var(--fs-xs)}
.demo-creds code{background:#fff;padding:.1rem .4rem;border-radius:4px;border:1px solid var(--border);font-size:var(--fs-xs)}
.dash-layout{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);min-height:calc(100vh - var(--navbar-h));align-items:start}
.dash-side{background:#171C2E;color:#B6BDD3;position:sticky;top:var(--navbar-h);min-height:calc(100vh - var(--navbar-h));padding:1.25rem .85rem;display:flex;flex-direction:column;gap:.25rem}
.dash-side .side-title{font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.6px;color:#5D6680;padding:.75rem .75rem .4rem;font-weight:800}
.dash-side button.side-link{display:flex;align-items:center;gap:.7rem;width:100%;text-align:start;background:none;border:none;color:#B6BDD3;padding:.65rem .75rem;border-radius:var(--radius-sm);font-weight:700;font-size:var(--fs-sm);transition:background var(--tr),color var(--tr)}
.dash-side button.side-link:hover{background:rgba(255,255,255,.07);color:#fff}
.dash-side button.side-link.active{background:var(--primary);color:#fff}
.dash-main{padding:1.75rem 2rem 3rem;min-width:0}
.dash-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.75rem}
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.1rem;margin-bottom:2rem}
.stat-card{padding:1.35rem;display:flex;gap:1rem;align-items:center}
.stat-card .ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.45rem;flex-shrink:0}
.stat-card .num{font-size:var(--fs-xl);font-weight:800;color:var(--ink);line-height:1.2}
.stat-card .lbl{font-size:var(--fs-xs);color:var(--muted);font-weight:700}
.ico-purple{background:var(--primary-50)}
.ico-green{background:var(--success-bg)}
.ico-blue{background:var(--info-bg)}
.ico-orange{background:var(--star-bg)}
.ico-red{background:var(--danger-bg)}
.continue-strip{display:flex;align-items:center;gap:1.25rem;background:linear-gradient(120deg,var(--primary),#8B7BF0);color:#fff;border-radius:var(--radius-lg);padding:1.4rem 1.75rem;margin-bottom:2rem;flex-wrap:wrap}
.continue-strip .info{flex:1;min-width:220px}
.continue-strip .k{font-size:var(--fs-xs);font-weight:700;color:#D9D4FA;text-transform:uppercase;letter-spacing:.5px}
.continue-strip .course-name{font-weight:800;font-size:var(--fs-lg);color:#fff}
.continue-strip .lesson-name{font-size:var(--fs-sm);color:#E9E6FB}
.my-course-card{display:flex;flex-direction:column;gap:.9rem;padding:1.15rem;height:100%}
.my-course-card .thumb{border-radius:10px;overflow:hidden}
.my-course-card .pct{font-weight:800;color:var(--primary);font-size:var(--fs-sm)}
.builder-module{border:1px solid var(--border);border-radius:var(--radius-md);background:#fff;margin-bottom:1rem}
.builder-module .bm-head{display:flex;gap:.75rem;align-items:center;padding:1rem 1.25rem;background:#FBFBFE;border-bottom:1px solid var(--border);flex-wrap:wrap}
.builder-module .bm-head h4{flex:1;min-width:200px}
.bm-item{display:flex;align-items:center;gap:.75rem;padding:.7rem 1.25rem;border-bottom:1px solid var(--border);font-size:var(--fs-sm)}
.bm-item:last-child{border-bottom:none}
.bm-item .actions{margin-inline-start:auto;display:flex;gap:.3rem}
.bm-add{display:flex;gap:.5rem;flex-wrap:wrap;padding:.75rem 1.25rem;background:#FDFDFE}
.chart-bars{display:flex;align-items:flex-end;gap:1rem;height:220px;padding-top:1rem}
.chart-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:.5rem;height:100%;justify-content:flex-end}
.chart-col .bar{width:100%;max-width:52px;background:linear-gradient(180deg,var(--primary),var(--primary-300));border-radius:8px 8px 4px 4px;min-height:4px;transition:height .6s ease}
.chart-col .bar.alt{background:linear-gradient(180deg,var(--success),#6EE7B7)}
.chart-col .v{font-size:var(--fs-xs);font-weight:800;color:var(--ink)}
.chart-col .l{font-size:var(--fs-xs);color:var(--muted);font-weight:700}
.checkout-layout{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:2rem;padding-block:2rem;align-items:start}
.pay-methods{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-bottom:1.5rem}
.pm-card{border:2px solid var(--border);border-radius:var(--radius-md);padding:1rem;display:flex;gap:.75rem;align-items:center;cursor:pointer;font-weight:700;color:var(--ink);background:#fff;transition:border-color var(--tr)}
.pm-card:hover{border-color:var(--primary-300)}
.pm-card.selected{border-color:var(--primary);background:var(--primary-50)}
.order-line{display:flex;justify-content:space-between;gap:1rem;padding:.4rem 0;font-size:var(--fs-sm)}
.order-line.total{border-top:2px solid var(--border);margin-top:.5rem;padding-top:.9rem;font-size:var(--fs-lg);font-weight:800;color:var(--ink)}
.success-hero{text-align:center;padding:4rem 1.5rem}
.success-ring{width:110px;height:110px;border-radius:50%;background:var(--success-bg);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}
.success-ring svg{width:56px;height:56px}
.success-ring path{stroke:var(--success);stroke-width:6;fill:none;stroke-linecap:round;stroke-dasharray:80;animation:drawCheck .8s ease .2s both}
.cert-wrap{max-width:900px;margin:2rem auto;padding:1rem}
.cert-paper{background:#fff;border:3px solid var(--primary);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;position:relative;box-shadow:var(--shadow-md);background-image:radial-gradient(circle at 8% 12%,var(--primary-50) 0 90px,transparent 90px),radial-gradient(circle at 92% 88%,var(--primary-50) 0 110px,transparent 110px)}
.cert-paper::before{content:"";position:absolute;inset:10px;border:1px solid var(--primary-300);border-radius:calc(var(--radius-lg) - 6px);pointer-events:none}
.cert-paper .cert-brand{font-weight:800;font-size:var(--fs-xl);color:var(--primary)}
.cert-paper .cert-title{font-size:clamp(1.5rem,4vw,2.4rem);font-weight:800;color:var(--ink);margin:1rem 0}
.cert-paper .student{font-size:clamp(1.5rem,4vw,2.2rem);font-weight:800;color:var(--primary-600);border-bottom:2px solid var(--primary-300);display:inline-block;padding-bottom:.25rem;margin:.5rem 0 1rem}
.cert-paper .meta-row{display:flex;justify-content:space-around;gap:1rem;margin-top:2.5rem;flex-wrap:wrap;font-size:var(--fs-sm)}
.cert-paper .meta-row .k{color:var(--muted);font-size:var(--fs-xs);font-weight:700}
.cert-paper .meta-row .v{color:var(--ink);font-weight:800}
.site-footer{background:#141929;color:#9AA3BC;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;padding:3.5rem 0 2.5rem}
.site-footer h4{color:#fff;margin-bottom:1rem;font-size:var(--fs-md)}
.site-footer ul{display:flex;flex-direction:column;gap:.6rem}
.site-footer a{color:#9AA3BC;font-size:var(--fs-sm)}
.site-footer a:hover{color:#fff}
.site-footer .about{font-size:var(--fs-sm);max-width:34ch;margin-top:.75rem}
.social-row{display:flex;gap:.6rem;margin-top:1.25rem}
.social-row a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff}
.social-row a:hover{background:var(--primary);transform:translateY(-3px);color:#fff}
.footer-bottom{border-top:1px solid #262D44;padding:1.25rem 0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:var(--fs-xs)}
.whatsapp-float{position:fixed;bottom:1.4rem;inset-inline-end:1.4rem;z-index:800;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 25px rgba(37,211,102,.45);transition:transform var(--tr)}
.whatsapp-float:hover{transform:scale(1.1)}
.whatsapp-float svg{width:30px;height:30px;fill:#fff}
@media (max-width:1024px){
  .course-layout,.checkout-layout{grid-template-columns:1fr}
  .sticky-aside{position:static}
  .lesson-layout{grid-template-columns:1fr}
  .course-sidebar{position:static;max-height:none}
  .dash-layout{grid-template-columns:1fr}
  .dash-side{position:static;min-height:0;flex-direction:row;overflow-x:auto;align-items:center;padding:.75rem}
  .dash-side .side-title{display:none}
  .dash-side button.side-link{white-space:nowrap;width:auto}
  .dash-main{padding:1.25rem 1.25rem 2.5rem}
}
@media (max-width:860px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .mobile-nav{display:none;position:absolute;top:100%;inset-inline:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);padding:.75rem}
  .mobile-nav.open{display:block;animation:fadeUp .2s ease}
  .mobile-nav a{display:block;padding:.8rem 1rem;border-radius:var(--radius-sm);color:var(--body-c);font-weight:700}
  .mobile-nav a:hover,.mobile-nav a.active{background:var(--primary-50);color:var(--primary)}
  .user-chip .name{display:none}
}
@media (max-width:560px){
  .section{padding-block:2.25rem}
  .hero{padding:3rem 0 3.5rem}
  .search-box{flex-direction:column;border-radius:var(--radius-md);padding:.6rem}
  .search-box button{width:100%}
  .search-box input{padding:.5rem .75rem}
  .q-card{padding:1.25rem}
  .video-controls{flex-wrap:wrap}
  .footer-bottom{justify-content:center;text-align:center}
}
@media print{
  .site-header,.site-footer,.whatsapp-float,.no-print,.breadcrumbs{display:none !important}
  body{background:#fff}
  .cert-wrap{margin:0;padding:0;max-width:100%}
}