:root{--brand:#0f5dbd;--brand2:#fdd22a;--accent:#771a0c;--ink:#132238;--muted:#667085;--soft:#f7f9fc;--line:#e4e9f0;--good:#12805c;--white:#fff;--shadow:0 20px 60px rgba(15,93,189,.12)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}.topbar{background:#771a0c;color:#fff;font-size:13px;padding:9px 0}.topbar .container{display:flex;justify-content:space-between;gap:20px}.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(15px);border-bottom:1px solid rgba(232,234,241,.8)}.nav{height:76px;display:flex;align-items:center;gap:28px}.logo{display:inline-flex;align-items:center;flex:0 0 auto}.logo img{width:72px;height:72px;object-fit:contain}.footer .logo img{width:98px;height:98px}.navlinks{display:flex;align-items:center;gap:23px;margin-left:12px;font-size:14px;font-weight:650}.navright{margin-left:auto;display:flex;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:11px;border:1px solid var(--line);font-weight:750;font-size:14px;background:#fff}.btn.primary{border-color:transparent;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 9px 24px rgba(15,93,189,.22)}.btn.dark{background:#171a2d;color:#fff;border-color:#171a2d}.hero{padding:76px 0 64px;background:radial-gradient(circle at 85% 15%,#fff7c9 0,transparent 28%),radial-gradient(circle at 10% 70%,#e9f2ff 0,transparent 25%),linear-gradient(180deg,#fbfdff,#fff)}.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:54px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eaf3ff;color:#0f5dbd;font-weight:800;font-size:13px}.hero h1{font-size:60px;line-height:1.03;letter-spacing:-2.4px;margin:18px 0}.hero h1 span{background:linear-gradient(135deg,var(--brand),var(--brand2));-webkit-background-clip:text;color:transparent}.hero p{font-size:18px;line-height:1.7;color:var(--muted);max-width:650px}.hero-actions{display:flex;gap:12px;margin:28px 0}.trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px}.trust strong{font-size:20px}.trust small{display:block;color:var(--muted);margin-top:2px}.hero-card{background:#fff;border:1px solid #ececf4;border-radius:26px;padding:18px;box-shadow:var(--shadow);transform:rotate(1deg)}.screen{aspect-ratio:16/10;border-radius:18px;padding:26px;background:linear-gradient(135deg,#0d3568,#0f5dbd 62%,#771a0c);color:#fff;display:flex;flex-direction:column;justify-content:space-between}.screen .play{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#0f5dbd;font-size:24px;margin:auto}.screen-bottom{display:flex;justify-content:space-between;gap:16px}.screen-bottom div{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);padding:12px 14px;border-radius:14px}.section{padding:78px 0}.section.soft{background:var(--soft)}.head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}.head h2{font-size:38px;letter-spacing:-1.3px;margin:0}.head p{color:var(--muted);max-width:630px;line-height:1.6;margin:7px 0 0}.catgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:13px}.cat{border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px;text-align:center;font-weight:760;transition:.2s}.cat:hover{transform:translateY(-4px);box-shadow:0 10px 25px rgba(24,30,65,.08)}.cat i{width:44px;height:44px;margin:0 auto 10px;border-radius:12px;display:grid;place-items:center;background:#eaf3ff;color:#0f5dbd;font-style:normal;font-size:20px}.coursegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.course{background:#fff;border:1px solid var(--line);border-radius:19px;overflow:hidden;transition:.2s}.course:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.thumb{height:205px;background:linear-gradient(135deg,#0f5dbd,#771a0c);position:relative;padding:22px;color:#fff}.thumb.ai{background:linear-gradient(135deg,#0b4b99,#0f5dbd)}.thumb.marketing{background:linear-gradient(135deg,#771a0c,#b63c24)}.thumb:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.10);right:-30px;bottom:-50px}.thumb .tag{display:inline-flex;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.16);font-size:12px;font-weight:800}.thumb h3{font-size:23px;max-width:80%;margin-top:30px;line-height:1.15}.coursebody{padding:18px}.meta{display:flex;gap:13px;color:var(--muted);font-size:13px;margin:10px 0 16px}.rating{color:#ef9f24}.price{display:flex;align-items:center;gap:8px;font-weight:900}.price del{color:#8a8fa0;font-weight:500}.coursefoot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;margin-top:14px}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature{padding:25px;border:1px solid var(--line);border-radius:18px;background:#fff}.feature i{font-size:25px;font-style:normal}.feature h3{margin:16px 0 8px}.feature p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.cta{background:linear-gradient(125deg,#0b2f5d,#0f5dbd 58%,#771a0c);border-radius:26px;color:#fff;padding:45px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:38px;margin:0 0 10px}.cta p{opacity:.76;margin:0}.footer{background:#0b2442;color:#fff;padding:58px 0 22px}.footergrid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px}.footer p,.footer a{color:#afb3c5;font-size:14px;line-height:1.8}.footer h4{margin-top:0}.copy{border-top:1px solid #2a2d3e;margin-top:38px;padding-top:20px;color:#8f94a8;font-size:13px}
/* course listing */.pagehero{padding:55px 0;background:linear-gradient(180deg,#eef5ff,#fff)}.pagehero h1{font-size:46px;margin:0 0 10px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}.chip{padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:700;font-size:13px}.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}
/* course detail */.coursehero{padding:58px 0;background:linear-gradient(135deg,#0b2f5d,#0f5dbd 72%,#771a0c);color:#fff}.coursehero .grid{display:grid;grid-template-columns:1fr 390px;gap:60px;align-items:start}.coursehero h1{font-size:48px;line-height:1.08;letter-spacing:-1.5px;margin:15px 0}.coursehero p{color:#c7cada;line-height:1.7;font-size:17px}.buybox{background:#fff;color:var(--ink);border-radius:20px;padding:16px;box-shadow:var(--shadow)}.preview{height:205px;border-radius:14px;background:linear-gradient(135deg,#0b356b,#0f5dbd);display:grid;place-items:center;color:#fff;font-size:36px}.buybox .price{font-size:26px;margin:17px 0}.buybox ul{padding-left:20px;color:var(--muted);line-height:1.9}.contentgrid{display:grid;grid-template-columns:1fr 390px;gap:60px}.tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin-bottom:28px}.tabs a{padding:18px 0;font-weight:800}.tabs a.active{border-bottom:3px solid var(--brand);color:var(--brand)}.learnbox{padding:25px;border:1px solid var(--line);border-radius:18px;margin-bottom:24px}.learnbox ul{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;padding-left:20px}.sectionrow{border:1px solid var(--line);border-radius:14px;margin-bottom:11px;overflow:hidden}.sectiontitle{padding:16px 18px;background:#fafafe;font-weight:850;display:flex;justify-content:space-between}.lesson{padding:14px 18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#50566b;font-size:14px}
/* auth/dashboard */.authwrap{min-height:70vh;display:grid;place-items:center;background:var(--soft);padding:70px 20px}.auth{width:min(460px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:var(--shadow)}.auth h1{margin-top:0}.field{margin:14px 0}.field label{font-size:13px;font-weight:800;display:block;margin-bottom:7px}.field input{width:100%;padding:13px;border:1px solid var(--line);border-radius:10px;font:inherit}.dash{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 77px)}.sidebar{border-right:1px solid var(--line);padding:28px 18px}.sidebar a{display:block;padding:12px 14px;border-radius:10px;margin:4px 0;font-weight:700;color:#555b70}.sidebar a.active{background:#eaf3ff;color:#0f5dbd}.dashmain{background:#f7f8fb;padding:34px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}.stat b{display:block;font-size:27px;margin-top:8px}.progress{height:8px;background:#eceef5;border-radius:999px;overflow:hidden}.progress span{height:100%;display:block;background:linear-gradient(90deg,var(--brand),var(--brand2));width:42%}
/* player */.playerapp{height:100vh;display:grid;grid-template-rows:68px 1fr}.playerbar{display:flex;align-items:center;padding:0 20px;border-bottom:1px solid var(--line);gap:20px}.playerbar .course-name{font-weight:800}.playerbody{display:grid;grid-template-columns:325px 1fr;min-height:0}.curriculum{overflow:auto;border-right:1px solid var(--line);padding:18px;background:#fbfbfd}.cursec{font-size:12px;text-transform:uppercase;color:#8a8fa0;font-weight:900;margin:17px 8px 8px}.curlesson{display:flex;gap:10px;padding:11px;border-radius:10px;font-size:14px}.curlesson.active{background:#eaf3ff;color:#0f5dbd;font-weight:800}.lessonarea{overflow:auto;padding:35px 45px}.video{aspect-ratio:16/9;background:#0b2442;border-radius:18px;display:grid;place-items:center;color:#fff;font-size:50px;max-width:920px}.lessonarea h1{font-size:34px}.lessonnav{display:flex;justify-content:space-between;max-width:920px;padding-top:25px;margin-top:35px;border-top:1px solid var(--line)}
@media(max-width:900px){.navlinks{display:none}.hero-grid,.coursehero .grid,.contentgrid{grid-template-columns:1fr}.hero h1{font-size:45px}.coursegrid{grid-template-columns:1fr 1fr}.catgrid{grid-template-columns:repeat(3,1fr)}.features{grid-template-columns:1fr 1fr}.footergrid{grid-template-columns:1fr 1fr}.buybox{max-width:520px}.stats{grid-template-columns:1fr 1fr}.dash{grid-template-columns:1fr}.sidebar{display:none}.playerbody{grid-template-columns:1fr}.curriculum{display:none}}
@media(max-width:600px){.container{width:min(100% - 24px,1180px)}.hero{padding:48px 0}.hero h1{font-size:38px;letter-spacing:-1.5px}.coursegrid,.features,.footergrid{grid-template-columns:1fr}.catgrid{grid-template-columns:1fr 1fr}.head h2{font-size:30px}.cta{padding:30px;display:block}.cta .btn{margin-top:20px}.learnbox ul{grid-template-columns:1fr}.lessonarea{padding:24px 16px}.pagehero h1{font-size:38px}}

/* Learn2UpSkill brand refinements */
.navlinks a:hover{color:var(--brand)}.btn.primary:hover{filter:brightness(.97);transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg,var(--brand),#0b4f9e 72%);}.hero h1 span{background:linear-gradient(135deg,var(--brand) 0 68%,var(--accent) 68% 100%);-webkit-background-clip:text;color:transparent}.rating{color:#d6a900}.course .price{color:var(--brand)}.course .price del{color:#8a8fa0}.screen-bottom b{color:#fff}.feature i{color:var(--brand)}.cta .btn{border-color:#fff}.header .logo{height:76px}.footer .logo{margin-bottom:14px}.playerbar .logo img{width:54px;height:54px}.topbar a{color:#fff}.eyebrow:before{color:var(--brand2)}

/* v1.3 navigation + inner pages */
.nav{gap:18px}.navlinks{gap:18px;margin-left:4px;white-space:nowrap}.navlinks>a,.navdrop>a{position:relative;padding:29px 0}.navlinks a.active,.navdrop>a.active{color:var(--brand)}.navlinks a.active:after,.navdrop>a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--brand2);border-radius:6px 6px 0 0}.navdrop{position:relative}.dropdown{position:absolute;top:64px;left:-20px;width:290px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:0 22px 60px rgba(10,35,70,.16);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}.navdrop:hover .dropdown{opacity:1;visibility:visible;transform:none}.dropdown a{display:block;padding:12px 13px;border-radius:11px}.dropdown a:hover{background:#f5f8fc;color:var(--brand)}.dropdown b,.dropdown small{display:block}.dropdown small{font-size:12px;color:var(--muted);font-weight:500;margin-top:3px}.header-search{height:40px;width:185px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:7px;padding:0 10px;background:#fff}.header-search input{border:0;outline:0;width:100%;font:inherit;font-size:13px}.header-search span{font-size:19px;color:var(--brand)}.contact-btn{background:var(--brand2);border-color:var(--brand2);color:#111;padding:12px 19px}.contact-btn:hover{filter:brightness(.97)}.menu-toggle{display:none;border:0;background:transparent;font-size:26px;margin-left:auto}.innerhero{padding:76px 0;background:radial-gradient(circle at 87% 12%,#fff1ad 0,transparent 22%),linear-gradient(180deg,#eef5ff,#fff)}.innerhero.compact{padding:58px 0}.innerhero h1{font-size:52px;line-height:1.05;letter-spacing:-1.8px;margin:15px 0;max-width:850px}.innerhero h1 span{color:var(--brand)}.innerhero p{font-size:18px;line-height:1.7;color:var(--muted);max-width:760px}.innergrid{display:grid;grid-template-columns:1.06fr .94fr;gap:60px;align-items:center}.visual-panel{background:#0b2442;color:#fff;border-radius:26px;padding:28px;display:grid;gap:14px;box-shadow:var(--shadow)}.metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:19px}.metric b{display:block;font-size:20px}.metric span{display:block;color:#c7d3e2;margin-top:5px;font-size:14px}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}.split h2{font-size:40px;line-height:1.15;letter-spacing:-1.2px;margin:8px 0}.section-kicker{font-size:12px;text-transform:uppercase;letter-spacing:1.4px;font-weight:900;color:var(--brand)}.prose p{font-size:17px;color:var(--muted);line-height:1.8;margin-top:0}.classgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.classcard{border:1px solid var(--line);border-radius:19px;padding:24px;background:#fff;transition:.2s}.classcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfdcf0}.classcard span{display:block;color:var(--muted);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:1px}.classcard b{display:block;font-size:46px;color:var(--brand);margin:8px 0 17px}.classcard small{font-weight:800}.steps{display:grid;gap:14px}.steps div{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px}.steps b{width:35px;height:35px;border-radius:50%;background:#eaf3ff;color:var(--brand);display:grid;place-items:center}.servicegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.servicecard{border:1px solid var(--line);border-radius:20px;padding:28px;background:#fff;transition:.2s}.servicecard:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.servicecard h2{font-size:25px}.servicecard p{color:var(--muted);line-height:1.7;min-height:78px}.servicecard b{color:var(--brand)}.service-icon{display:grid;place-items:center;width:50px;height:50px;border-radius:14px;background:#eaf3ff;color:var(--brand);font-weight:900}.center-cta{text-align:center;margin-top:34px}.programgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.program{border:1px solid var(--line);border-radius:20px;padding:26px;background:#fff}.program>span{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:1px;color:var(--brand)}.program h3{font-size:25px;margin:9px 0}.program p{color:var(--muted);line-height:1.7}.program a{color:var(--brand);font-weight:800}.bloggrid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:22px}.post{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}.postvisual{height:180px;background:linear-gradient(135deg,#0b4b99,#0f5dbd)}.postvisual.dev{background:linear-gradient(135deg,#0b2f5d,#771a0c)}.postvisual.career{background:linear-gradient(135deg,#771a0c,#f0bf1f)}.post.featured .postvisual{height:250px}.postbody{padding:23px}.postbody>span{color:var(--brand);font-size:12px;font-weight:900;text-transform:uppercase}.postbody h2,.postbody h3{line-height:1.25}.postbody p{color:var(--muted);line-height:1.65}.postbody a{color:var(--brand);font-weight:800}.contactgrid{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px}.contactinfo h2{font-size:38px}.contactinfo p{color:var(--muted);line-height:1.7}.contactitem{border-top:1px solid var(--line);padding:18px 0}.contactitem b,.contactitem span{display:block}.contactitem span{color:var(--muted);margin-top:4px}.contactform{border:1px solid var(--line);border-radius:22px;padding:28px;background:#fff;box-shadow:var(--shadow)}.formrow{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field select,.field textarea{width:100%;padding:13px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}.form-success{display:none;margin-top:16px;padding:12px 14px;border-radius:10px;background:#eaf8f2;color:var(--good);font-weight:700}.course-search{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 8px 8px 14px;max-width:650px;margin-top:24px;box-shadow:0 12px 35px rgba(15,93,189,.08)}.course-search span{font-size:24px;color:var(--brand)}.course-search input{flex:1;border:0;outline:0;font:inherit;min-width:0}.empty-state{text-align:center;padding:60px 20px;border:1px dashed #cfd8e7;border-radius:18px;background:#fafcff}.pagehero p{color:var(--muted);max-width:650px}.degree-panel{background:linear-gradient(145deg,#0b2442,#0f5dbd)}
@media(max-width:1180px){.navlinks{gap:12px;font-size:13px}.header-search{width:150px}.contact-btn{padding:11px 14px}.nav{gap:12px}}
@media(max-width:1020px){.navlinks{position:fixed;top:117px;left:0;right:0;background:#fff;display:none!important;flex-direction:column;align-items:stretch;padding:16px 20px;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(20,40,70,.12)}body.menu-open .navlinks{display:flex!important}.navlinks>a,.navdrop>a{padding:10px 0}.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;width:auto;display:none}.navdrop:hover .dropdown{display:block}.navright{margin-left:auto}.menu-toggle{display:block}.header-search{width:220px}.innergrid,.split,.contactgrid{grid-template-columns:1fr}.bloggrid{grid-template-columns:1fr 1fr}.post.featured{grid-column:1/-1}.classgrid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.topbar{display:none}.nav{height:74px}.header .logo{height:74px}.logo img{width:62px;height:62px}.navright{display:none}.navlinks{top:74px}.innerhero h1{font-size:40px}.servicegrid,.programgrid,.bloggrid,.formrow{grid-template-columns:1fr}.post.featured{grid-column:auto}.classgrid{grid-template-columns:repeat(2,1fr)}.split{gap:30px}.innerhero{padding:48px 0}.innerhero.compact{padding:42px 0}}

/* v1.4 premium global header */
.brand-line{height:4px;background:var(--brand)}
.topbar{background:#f8fafc;color:#64748b;font-size:12px;font-weight:600;padding:8px 0;border-bottom:1px solid #edf1f6}
.topbar .container{width:min(1240px,calc(100% - 44px));align-items:center}
.topbar a{color:#475569}.topbar a strong{color:#0f172a;font-weight:700}
.header{background:rgba(255,255,255,.97);border-bottom:1px solid #e9eef5;box-shadow:0 4px 18px rgba(15,35,65,.035);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.header .container{width:min(1240px,calc(100% - 44px))}
.nav{height:82px;gap:22px}
.header .logo{height:82px;padding:7px 0}
.header .logo img{width:66px;height:66px;object-fit:contain}
.navlinks{margin-left:2px;gap:25px;font-size:13.5px;font-weight:700;letter-spacing:-.12px;color:#25324a}
.navlinks>a,.navdrop>a{padding:31px 0;transition:color .18s ease}
.navlinks a:hover,.navdrop>a:hover{color:var(--brand)}
.navlinks a.active,.navdrop>a.active{color:var(--brand)}
.navlinks a.active:after,.navdrop>a.active:after{height:2px;background:var(--brand);bottom:0;border-radius:2px}
.navdrop>a span{font-size:11px;margin-left:2px;color:#64748b}
.dropdown{top:72px;left:-24px;width:305px;border:1px solid #e6ebf2;border-radius:18px;padding:10px;background:rgba(255,255,255,.99);box-shadow:0 24px 70px rgba(15,35,65,.14)}
.dropdown a{padding:13px 14px;border-radius:12px}.dropdown a:hover{background:#f7faff}
.dropdown b{color:#17233a;font-size:13.5px}.dropdown small{color:#718096;line-height:1.4}
.navright{gap:11px}
.header-search{height:44px;width:205px;border:1px solid #dfe6ef;border-radius:12px;padding:0 13px;gap:9px;background:#fbfcfe;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.header-search:focus-within{border-color:#9dc0ee;background:#fff;box-shadow:0 0 0 3px rgba(15,93,189,.08)}
.header-search .search-icon{width:15px;height:15px;flex:0 0 auto;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round}
.header-search input{font-size:13px;color:#25324a;background:transparent}
.header-search input::placeholder{color:#8a97a8}
.contact-btn{height:44px;min-width:119px;padding:0 20px;border-radius:12px;background:#f8c92d;border-color:#f8c92d;color:#151515;font-size:13px;font-weight:800;box-shadow:0 5px 13px rgba(248,201,45,.16);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}
.contact-btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(248,201,45,.22);filter:none}
.menu-toggle{width:44px;height:44px;border:1px solid #e2e8f0;border-radius:12px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.menu-toggle span{display:block;width:18px;height:2px;background:#1e293b;border-radius:2px}
@media(max-width:1180px){.navlinks{gap:16px;font-size:13px}.header-search{width:172px}.nav{gap:14px}.contact-btn{min-width:108px;padding:0 15px}}
@media(max-width:1060px){.navlinks{position:fixed;top:119px;left:0;right:0;background:#fff;display:none!important;flex-direction:column;align-items:stretch;padding:18px 22px 24px;border-bottom:1px solid var(--line);box-shadow:0 22px 45px rgba(20,40,70,.11);gap:2px;margin:0}.menu-open .navlinks{display:flex!important}.navlinks>a,.navdrop>a{padding:12px 0}.navlinks a.active:after,.navdrop>a.active:after{display:none}.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;width:auto;display:none;padding:5px 0 4px 10px}.navdrop:hover .dropdown{display:block}.navright{margin-left:auto}.menu-toggle{display:flex}.header-search{width:210px}}
@media(max-width:760px){.brand-line{height:3px}.topbar{display:none}.header .container{width:min(100% - 24px,1240px)}.nav{height:72px}.header .logo{height:72px;padding:5px 0}.header .logo img{width:58px;height:58px}.navright{display:flex;margin-left:auto}.navright .contact-btn{display:none}.navright .header-search{width:44px;padding:0;justify-content:center;border-radius:11px;background:#fff}.navright .header-search input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.header-search .search-icon{width:17px;height:17px}.navlinks{top:75px}.menu-toggle{display:flex;margin-left:0}}

/* v1.5 interactive trending-course hero */
.hero-v15{padding:64px 0 58px;background:radial-gradient(circle at 82% 12%,#fff7cd 0,transparent 25%),radial-gradient(circle at 10% 72%,#eef5ff 0,transparent 28%),linear-gradient(180deg,#fbfdff 0%,#fff 100%)}
.hero-grid-v15{grid-template-columns:minmax(0,60%) minmax(0,40%);gap:48px;align-items:center}
.hero-copy-v15 h1{font-size:60px;max-width:690px}
.trend-panel{min-width:0}
.trend-image-wrap{position:relative;overflow:hidden;border-radius:28px;min-height:500px;background:#e8eef8;border:1px solid #e7ecf3;box-shadow:0 24px 65px rgba(15,35,65,.12)}
.trend-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .22s ease,transform .35s ease;transform:scale(1.01)}
.trend-image.is-changing{opacity:.3;transform:scale(1.035)}
.trend-image-wrap:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,21,41,.02) 20%,rgba(7,21,41,.22) 100%);pointer-events:none}
.trend-badge{position:absolute;z-index:2;top:18px;left:18px;padding:9px 13px;border-radius:999px;background:rgba(255,255,255,.94);box-shadow:0 7px 22px rgba(15,35,65,.12);font-size:11px;font-weight:800;color:#263248}
.trend-course-card{position:absolute;z-index:3;left:18px;right:18px;bottom:18px;padding:19px 20px 16px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.72);border-radius:20px;box-shadow:0 18px 45px rgba(15,35,65,.16);overflow:hidden}
.trend-card-topline{font-size:9px;letter-spacing:2px;font-weight:900;color:#7c8798}
.trend-course-card h2{margin:6px 0 6px;font-size:22px;line-height:1.15;letter-spacing:-.5px;color:#162033}
.trend-course-card p{margin:0;color:#5e6877;font-size:12.5px;line-height:1.55}
.trend-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:11px;color:#5f6d80;font-size:11.5px;font-weight:700}
.trend-card-footer{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-top:15px}
.trend-card-footer small{display:block;color:#8a94a4;font-size:10px;margin-bottom:2px}
.trend-card-footer strong{font-size:18px;color:#162033}
.trend-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 15px;border-radius:12px;background:#141922;color:#fff;font-size:11px;font-weight:800;white-space:nowrap;transition:.18s ease}
.trend-btn:hover{transform:translateY(-1px);background:#0f5dbd}
.trend-accent{height:3px;border-radius:99px;background:linear-gradient(90deg,#ed4356 0%,#f4c72b 52%,#0f5dbd 100%);margin-top:13px}
.trend-categories{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;margin-top:12px}
.trend-cat{height:38px;padding:0 14px;border-radius:999px;border:1px solid #dfe5ed;background:#fff;color:#4c5668;font:700 11.5px/1 Inter,ui-sans-serif,system-ui;cursor:pointer;transition:.18s ease}
.trend-cat:hover{border-color:#a8bfdc;color:#0f5dbd}
.trend-cat.active{background:#0f5dbd;color:#fff;border-color:#0f5dbd;box-shadow:0 7px 18px rgba(15,93,189,.18)}
@media(max-width:1060px){.hero-grid-v15{grid-template-columns:1fr;gap:38px}.hero-copy-v15 h1{max-width:780px}.trend-panel{max-width:720px}.trend-image-wrap{min-height:500px}}
@media(max-width:760px){.hero-v15{padding:44px 0}.hero-copy-v15 h1{font-size:42px;letter-spacing:-1.5px}.hero-copy-v15 p{font-size:16px}.trend-image-wrap{min-height:440px;border-radius:22px}.trend-course-card{left:12px;right:12px;bottom:12px;padding:16px}.trend-badge{left:12px;top:12px}.trend-course-card h2{font-size:20px}.trend-meta{gap:10px}.trend-categories{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.trend-cat{flex:0 0 auto}.trend-card-footer{align-items:center}}

/* v1.8 trending carousel: multiple trending courses per category */
.trend-slider-tools{position:absolute;z-index:4;top:16px;right:16px;display:flex;align-items:center;gap:6px;padding:5px;border-radius:999px;background:rgba(12,24,43,.62);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(9,24,48,.15)}
.trend-arrow{width:32px;height:32px;border:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.96);color:#172033;font:700 22px/1 Georgia,serif;cursor:pointer;transition:transform .18s ease,background .18s ease;color:#172033}
.trend-arrow:hover{transform:translateY(-1px);background:#fff7cf}.trend-arrow:focus-visible{outline:3px solid rgba(253,210,42,.72);outline-offset:2px}.trend-arrow:disabled{opacity:.45;cursor:not-allowed;transform:none}
.trend-counter{min-width:45px;text-align:center;color:#fff;font-size:10.5px;font-weight:850;letter-spacing:.03em}
.trend-panel.course-changing .trend-image{opacity:.58;transform:scale(1.025)}
.trend-panel.course-changing .trend-course-card>*:not(.trend-accent){opacity:.35;transform:translateY(3px)}
.trend-course-card>*:not(.trend-accent){transition:opacity .18s ease,transform .18s ease}
.trend-accent{position:relative;overflow:hidden;background:#e9edf3}
.trend-accent:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#ed4356 0%,#f4c72b 52%,#0f5dbd 100%);opacity:.22}
.trend-accent span{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,#ed4356 0%,#f4c72b 52%,#0f5dbd 100%)}
.trend-accent span.is-running{animation:trendCourseProgress 5s linear forwards}
@keyframes trendCourseProgress{from{width:0}to{width:100%}}
@media(prefers-reduced-motion:reduce){.trend-accent span.is-running{animation:none;width:100%}.trend-image,.trend-course-card>*{transition:none!important}}
@media(max-width:760px){.trend-slider-tools{top:12px;right:12px}.trend-arrow{width:30px;height:30px}.trend-counter{min-width:40px}.trend-categories{scrollbar-width:none}.trend-categories::-webkit-scrollbar{display:none}}