@media(max-width:992px){:root{--section:65px}.hero-grid,.course-detail,.payment-layout{grid-template-columns:1fr}.hero-visual{min-height:280px}.course-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.purchase-card{position:static}.auth-page{grid-template-columns:1fr}.auth-side{padding:50px 40px}.auth-form-wrap{padding:50px 40px}.auth-form{margin:auto}}
@media(max-width:768px){.site-header{height:68px;z-index:1000}.nav{position:relative}.menu-toggle{display:grid;place-content:center;width:44px;height:44px;padding:0;border:1px solid #d9e2ef;border-radius:10px;background:#fff;position:relative;z-index:1003;cursor:pointer}.menu-toggle i{width:21px;height:2px;margin:3px;background:var(--primary);border-radius:2px;transition:transform .24s ease,opacity .2s ease}.menu-toggle.open i:nth-child(1){transform:translateY(8px) rotate(45deg)}.menu-toggle.open i:nth-child(2){opacity:0}.menu-toggle.open i:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.nav-links{display:flex!important;position:fixed;z-index:1002;top:0;right:0;bottom:0;left:auto;width:min(88vw,360px);margin:0;padding:88px 24px 30px;background:#fff;box-shadow:-18px 0 42px rgba(15,23,42,.18);flex-direction:column;align-items:stretch;gap:4px;overflow-y:auto;opacity:0;visibility:hidden;pointer-events:none;transform:translateX(110%);transition:transform .28s ease,opacity .22s ease,visibility 0s linear .28s}.nav-links.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(0);transition:transform .28s ease,opacity .22s ease}.nav-links>a{padding:13px 12px;border-bottom:1px solid var(--border);border-radius:8px}.nav-links>a:last-child{border-bottom:0}.nav-links>a.btn{margin-top:8px}.menu-backdrop{display:block;position:fixed;z-index:1001;inset:0;border:0;background:rgba(11,28,54,.48);cursor:pointer;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s ease,visibility 0s linear .25s}.menu-backdrop.open{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .25s ease}.hero{padding:55px 0}.hero-grid{gap:35px}.stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-22px}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--border)}.stat{padding:16px}.course-grid,.feature-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.form-row,.split{grid-template-columns:1fr}.footer-grid{gap:28px}.page-hero{padding:45px 0}.table-wrap{border:0}th,td{white-space:nowrap}.hero p{font-size:16px}}
@media(max-width:576px){.container{width:min(100% - 28px,var(--container))}.brand small{display:none}.hero-actions{flex-direction:column;align-items:stretch}.hero-visual{min-height:235px}.hero-screen{inset:35px 25px 28px;padding:15px}.stat strong{font-size:21px}.section{padding:50px 0}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom>*{display:block;margin:8px 0}.auth-side,.auth-form-wrap{padding:38px 22px}.auth-side{padding-bottom:42px}.form-card{padding:20px}.course-thumb{height:155px}.toast{left:14px;right:14px;top:80px}.steps{grid-template-columns:1fr}.btn{width:100%}}
@media(max-width:400px){.brand strong{font-size:15px}.stat{padding:13px 7px}.stat span{font-size:11px}}