@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap";
@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/fef07dbb0973bf53-s.518e079e.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/8a480f0b521d4e75-s.ea323500.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/53b9e256198e5412-s.853d50a3.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/7178b3e590c64307-s.55554cd0.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/caa3a2e1cccd8315-s.p.3b6cae6d.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist Fallback;src:local(Arial);ascent-override:95.94%;descent-override:28.16%;line-gap-override:0.0%;size-adjust:104.76%}.geist_a71539c9-module__T19VSG__className{font-family:Geist,Geist Fallback;font-style:normal}.geist_a71539c9-module__T19VSG__variable{--font-geist-sans:"Geist","Geist Fallback"}
@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/5ce348bf30bf5439-s.56c1f21e.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/4fa387ec64143e14-s.3b336396.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/6306c77e7c8268e4-s.e3369375.woff2)format("woff2");unicode-range:U+2000-2001,U+2004-2008,U+200A,U+23B8-23BD,U+2500-259F}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/7d817b4c03b0c5f1-s.a40b9a8b.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/bbc41e54d2fcbd21-s.fe42ddf4.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/797e433ab948586e-s.p.29207c2f.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist Mono Fallback;src:local(Arial);ascent-override:74.67%;descent-override:21.92%;line-gap-override:0.0%;size-adjust:134.59%}.geist_mono_8d43a2aa-module__8Li5zG__className{font-family:Geist Mono,Geist Mono Fallback;font-style:normal}.geist_mono_8d43a2aa-module__8Li5zG__variable{--font-geist-mono:"Geist Mono","Geist Mono Fallback"}
:root{--primary:#0a58ca;--primary-hover:#084298;--primary-light:#e7f1ff;--accent:#f3f6f9;--success:#198754;--success-light:#d1e7dd;--warning:#ffc107;--danger:#dc3545;--danger-light:#f8d7da;--background:#fafbfc;--surface:#fff;--text-main:#1c1e21;--text-muted:#6c757d;--text-light:#adb5bd;--border:#dee2e6;--border-subtle:#e9ecef;--border-focus:#86b7fe;--shadow-xs:0 1px 2px #0000000d;--shadow-sm:0 2px 4px #0000000a,0 1px 2px #00000008;--shadow-md:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;--shadow-lg:0 10px 15px -3px #0000000d,0 4px 6px -2px #00000008;--shadow-xl:0 20px 25px -5px #0000000d,0 10px 10px -5px #00000005;--shadow-modal:0 25px 50px -12px #00000040;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-normal:.25s cubic-bezier(.4,0,.2,1);--hero-gradient:linear-gradient(135deg,#0a58ca 0%,#042e6f 100%)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-family:Outfit,sans-serif;font-weight:700;line-height:1.2}p{color:var(--text-main)}.container{max-width:1200px;margin:0 auto;padding:0 24px}button{outline:none;font-family:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--border-focus);outline-offset:2px}.btn{border-radius:var(--radius-md);transition:all var(--transition-fast);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:active{box-shadow:var(--shadow-xs);transform:translateY(0)}.btn-secondary{background:var(--surface);border:1px solid var(--border);color:var(--text-main);box-shadow:var(--shadow-xs)}.btn-secondary:hover{background:var(--accent);color:var(--primary);border-color:#d3d9de}.card{background:var(--surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:all var(--transition-normal);height:100%;box-shadow:var(--shadow-sm);flex-direction:column;padding:28px;display:flex}.card:hover{box-shadow:var(--shadow-xl);border-color:#d3d9de;transform:translateY(-6px)}.search-box{width:100%;box-shadow:var(--shadow-md);border-radius:var(--radius-lg);background:var(--surface);transition:box-shadow var(--transition-fast);align-items:center;display:flex;position:relative}.search-box:focus-within{box-shadow:var(--shadow-lg),0 0 0 4px var(--primary-light)}.search-input{border-radius:var(--radius-lg);width:100%;transition:all var(--transition-fast);height:68px;color:var(--text-main);background:0 0;border:1px solid #0000;padding:20px 150px 20px 28px;font-size:1.1rem}.search-input::placeholder{color:var(--text-light)}.search-input:focus{outline:none}.hero{background:var(--surface);border-bottom:1px solid var(--border-subtle);margin-bottom:60px;padding:90px 0}.hero-content{grid-template-columns:1.1fr 1fr;align-items:center;gap:72px;display:grid}.hero-title{letter-spacing:-.03em;margin-bottom:24px;font-size:3.75rem}.hero-subtitle{color:var(--text-muted);margin-bottom:40px;font-size:1.25rem;line-height:1.7}.tag{background:var(--primary-light);color:var(--primary-hover);border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;box-shadow:var(--shadow-xs);margin-bottom:20px;padding:6px 14px;font-size:.75rem;font-weight:700;display:inline-block}.nav-tabs{border-bottom:2px solid var(--border-subtle);gap:0;margin-bottom:48px;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);text-align:center;background:0 0;border:none;flex:1;padding:0 0 16px;font-size:1.05rem;font-weight:600;position:relative}.tab-btn:after{content:"";background:var(--primary);width:100%;height:3px;transition:transform var(--transition-normal);border-radius:3px 3px 0 0;position:absolute;bottom:-2px;left:0;transform:scaleX(0)}.tab-btn:hover{color:var(--text-main)}.tab-btn.active{color:var(--primary);font-weight:700}.tab-btn.active:after{transform:scaleX(1)}.flex-between{justify-content:space-between;align-items:center;display:flex}.section-title{letter-spacing:-.02em;margin-bottom:32px;font-size:2rem}.fade-in{animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeIn}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.footer{color:#fff;background:#111418;margin-top:auto;padding:80px 0 40px}.footer-content{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:60px;display:grid}.footer-link{color:#adb5bd;transition:color var(--transition-fast);cursor:pointer;margin-bottom:16px;font-size:.95rem;text-decoration:none;display:block}.footer-link:hover{color:#fff;text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:#c1c6cc}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.lesson-grid{grid-template-columns:repeat(4,1fr);gap:24px;display:grid}.lesson-card{box-shadow:6px 6px 16px #0000001f,-2px -2px 6px #fffc;padding:24px!important}.lesson-card:hover{box-shadow:8px 8px 24px #0000002e,-2px -2px 8px #ffffffe6}.lesson-content{flex-direction:column;height:100%;display:flex}.lesson-body{flex:1}.lesson-footer{margin-top:16px}.lesson-footer .btn{width:100%}@media (max-width:768px){.hero-content{grid-template-columns:1fr;gap:32px}.lesson-grid{grid-template-columns:repeat(2,1fr)}}