:root{--white:#fff;--navy:#1D3557;--green:#0A5C36;--green-light:#12784A;--accent:#E8F5EE;--gray-100:#F7F8FA;--gray-200:#E9ECF0;--gray-400:#9AA3B0;--gray-600:#5A6475;--shadow:0 2px 16px rgba(29,53,87,.10);--shadow-lg:0 8px 40px rgba(29,53,87,.14);--radius:14px;--font-serif:'DM Serif Display',serif;--font-sans:'Outfit',sans-serif}
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24px;font-family:var(--font-sans);font-size:1rem;font-weight:800;cursor:pointer}.btn-secondary:hover{background:var(--gray-100);border-color:var(--navy)}.mobile-menu{display:none;background:transparent;border:0;font-size:1.6rem;color:var(--navy)}.page{display:none}.page.active{display:block;animation:fadeIn .45s ease}.container{max-width:1140px;margin:0 auto}.narrow{max-width:860px}.center{text-align:center}.hero{min-height:calc(100vh - 72px);display:flex;align-items:center;justify-content:center;text-align:center;padding:90px 24px;background:linear-gradient(160deg,#f0f8f4 0%,#e8f0f8 62%,#fff 100%);position:relative;overflow:hidden}[data-theme=dark] .hero{background:linear-gradient(160deg,#0D2419,#0F1923 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auto;background:var(--white);border:1.5px solid var(--gray-200);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-lg)}.hero-search input{flex:1;padding:16px 18px;border:none;background:transparent;outline:none;color:var(--navy);font:inherit}.hero-search button{background:var(--green);color:#fff;border:none;padding:0 22px;cursor:pointer}.search-results{max-width:540px;margin:10px auto 0;text-align:left}.video-placeholder{max-width:600px;margin:36px auto 0;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,var(--accent),#d0e8da);aspect-ratio:16/8;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative;box-shadow:var(--shadow-lg)}.video-placeholder:after{content:'▶';width:64px;height:64px;background:var(--green);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.video-placeholder 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p{color:var(--gray-600);line-height:1.85;margin-bottom:20px}.about-image{height:330px;border-radius:24px;background:linear-gradient(135deg,var(--accent),#d0e8da);display:flex;align-items:center;justify-content:center;font-size:7rem}.telegram{display:block;text-align:center;margin-top:14px;color:var(--green);font-weight:800;text-decoration:none}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:36px 0 30px;border-bottom:2px solid var(--gray-200)}.tab{background:none;border:none;padding:13px 22px;font:inherit;font-weight:800;color:var(--gray-600);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px}.tab.active{color:var(--green);border-bottom-color:var(--green)}.tab-panel{display:none}.tab-panel.active{display:block}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px}.card-badge,.tag,.scholar-type{display:inline-block;background:var(--accent);color:var(--green);border-radius:999px;padding:4px 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18px}.btn-ask-ai span{display:none}}@media(max-width:720px){.hero h1{font-size:3.1rem}.hero p{font-size:1.1rem}.hero-actions{flex-direction:column}.btn-primary,.btn-secondary{width:100%}.feature-grid,.founder-grid,.footer-inner{grid-template-columns:1fr}.scholar-card{align-items:flex-start}.scholar-link{padding:8px 10px;font-size:.78rem}.nav-right{gap:6px}.lang-btn,.dark-toggle{padding:7px 9px}}