:root{
  --navy:#102a43;--navy-2:#07182f;--blue:#2563eb;--blue-2:#60a5fa;
  --green:#10b981;--bg:#f8fafc;--surface:#ffffff;--surface-2:#eef4fb;
  --text:#102a43;--muted:#62748a;--border:#dce6f0;--shadow:0 18px 55px rgba(16,42,67,.11);
  --radius:22px;--max:1180px;
}
[data-theme="dark"]{
  --bg:#07111f;--surface:#0d1b2e;--surface-2:#12233a;--text:#eef6ff;
  --muted:#9db0c6;--border:#233954;--shadow:0 18px 55px rgba(0,0,0,.32);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(calc(100% - 36px),var(--max));margin:auto}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:14px;top:14px;background:var(--surface);padding:10px 14px;border-radius:10px;z-index:999}
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid color-mix(in srgb,var(--border) 72%,transparent)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand img{width:182px;display:block}.nav-links{display:flex;align-items:center;gap:23px;font-weight:700;font-size:.94rem}.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:10px}.icon-btn,.menu-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);width:44px;height:44px;border-radius:14px;display:grid;place-items:center;cursor:pointer;font-size:1.1rem}.menu-btn{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border-radius:14px;border:1px solid transparent;font-weight:800;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--blue),#1748b5);color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.24)}.btn-secondary{background:var(--surface);border-color:var(--border)}.btn-green{background:var(--green);color:#06281f}
.hero{position:relative;overflow:hidden;padding:88px 0 72px}.hero:before{content:"";position:absolute;inset:-15% 45% 20% -15%;background:radial-gradient(circle,rgba(37,99,235,.18),transparent 65%);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:56px}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);padding:8px 12px;border-radius:999px;font-size:.82rem;font-weight:800;color:var(--blue);box-shadow:var(--shadow)}h1{font-size:clamp(2.8rem,7vw,5.5rem);line-height:1.01;letter-spacing:-.055em;margin:22px 0 20px}.gradient-text{background:linear-gradient(120deg,var(--blue),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:1.16rem;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.trust-row{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;font-weight:700}.hero-panel{background:linear-gradient(155deg,var(--navy-2),var(--navy));color:#fff;border-radius:30px;padding:28px;box-shadow:0 30px 80px rgba(7,24,47,.3);position:relative}.hero-panel:after{content:"";position:absolute;inset:auto -45px -45px auto;width:160px;height:160px;background:radial-gradient(circle,rgba(16,185,129,.35),transparent 70%)}.mini-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:#93c5fd;font-weight:800}.learning-card{margin-top:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);padding:20px;border-radius:20px}.progress{height:9px;background:rgba(255,255,255,.13);border-radius:99px;overflow:hidden}.progress span{display:block;width:68%;height:100%;background:linear-gradient(90deg,#60a5fa,#34d399)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.stat{padding:14px;border-radius:16px;background:rgba(255,255,255,.07)}.stat strong{font-size:1.35rem;display:block}.section{padding:78px 0}.section.alt{background:var(--surface-2)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:30px}.section-head h2,.page-hero h1{font-size:clamp(2rem,4vw,3.2rem);margin:0;letter-spacing:-.035em}.section-head p,.page-hero p{color:var(--muted);max-width:650px}.grid{display:grid;gap:20px}.schools-grid{grid-template-columns:repeat(4,1fr)}.courses-grid{grid-template-columns:repeat(3,1fr)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:0 12px 34px rgba(16,42,67,.05);transition:.25s transform,.25s box-shadow}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.school-icon,.course-icon{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:var(--surface-2);font-size:1.55rem}.card h3{margin:16px 0 8px;font-size:1.2rem}.card p{color:var(--muted);margin:0}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.tag{font-size:.76rem;font-weight:800;padding:6px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.course-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:.83rem;margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}
.path{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.path-step{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:22px}.path-step b{color:var(--blue);font-size:.82rem}.path-step:not(:last-child):after{content:"→";position:absolute;right:-13px;top:50%;transform:translateY(-50%);z-index:2;color:var(--green);font-weight:900}
.cta{background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff;border-radius:30px;padding:46px;display:flex;justify-content:space-between;gap:30px;align-items:center}.cta p{color:#c9d8ea;max-width:650px}.newsletter{display:flex;gap:10px;flex-wrap:wrap}.newsletter input,.search-input,.form input,.form textarea,.form select{min-height:48px;border:1px solid var(--border);border-radius:13px;background:var(--surface);color:var(--text);padding:0 14px;font:inherit}.newsletter input{min-width:270px}.site-footer{padding:55px 0 25px;background:var(--navy-2);color:#dceafa}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px}.footer-grid h4{color:#fff}.footer-grid a{display:block;color:#b5c6da;margin:8px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:20px;color:#91a7be;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.page-hero{padding:72px 0 42px;background:linear-gradient(180deg,var(--surface-2),transparent)}.breadcrumbs{font-size:.86rem;color:var(--muted);margin-bottom:18px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.filter-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:999px;padding:9px 13px;font-weight:800;cursor:pointer}.filter-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}.search-wrap{display:flex;gap:10px;margin:25px 0}.search-input{width:100%}.lesson-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:34px;align-items:start}.lesson-sidebar{position:sticky;top:96px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:18px}.lesson-sidebar a{display:block;padding:10px 12px;border-radius:10px;color:var(--muted);font-weight:700}.lesson-sidebar a:hover,.lesson-sidebar a.active{background:var(--surface-2);color:var(--blue)}.lesson-content{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:clamp(24px,5vw,50px)}.lesson-content h1{font-size:clamp(2.3rem,5vw,4rem)}.lesson-content h2{margin-top:38px}.callout{border-left:4px solid var(--green);background:var(--surface-2);padding:18px;border-radius:0 14px 14px 0}.quiz{margin-top:35px;padding:24px;background:var(--surface-2);border-radius:20px}.quiz label{display:block;margin:10px 0}.form{max-width:760px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form label{display:grid;gap:7px;font-weight:800}.form textarea{padding-top:12px;min-height:150px;resize:vertical}.notice{padding:14px 16px;border-radius:14px;background:var(--surface-2);color:var(--muted);margin-top:15px;display:none}
@media(max-width:980px){.schools-grid{grid-template-columns:repeat(2,1fr)}.courses-grid{grid-template-columns:repeat(2,1fr)}.hero-grid{grid-template-columns:1fr}.path{grid-template-columns:1fr 1fr}.path-step:after{display:none}.footer-grid{grid-template-columns:1fr 1fr}.nav-links{position:fixed;inset:76px 18px auto;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:18px;display:none;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.menu-btn{display:grid}.nav-actions .btn{display:none}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:relative;top:auto}}
@media(max-width:640px){.container{width:min(calc(100% - 24px),var(--max))}.hero{padding-top:56px}.schools-grid,.courses-grid,.path,.footer-grid,.form-grid{grid-template-columns:1fr}.cta{padding:30px;align-items:flex-start;flex-direction:column}.section{padding:60px 0}.section-head{align-items:flex-start;flex-direction:column}.stats{grid-template-columns:1fr}.newsletter input{min-width:100%;width:100%}.brand img{width:155px}}