:root{--primary:#10B981;--dark:#064E3B;--gray:#6B7280;--light:#ECFDF5}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Rubik',sans-serif;color:var(--dark);line-height:1.6}.container-main{max-width:1200px;margin:0 auto;padding:0 2rem}
.site-header{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.05);position:sticky;top:0;z-index:1000;padding:1rem 0}.nav-container{display:flex;justify-content:space-between;align-items:center}.site-logo{display:flex;align-items:center;gap:0.75rem;text-decoration:none;font-size:1.5rem;font-weight:800;color:var(--dark)}.logo-shape{width:40px;height:40px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem}.site-logo strong{color:var(--primary)}.nav-options{display:flex;list-style:none;gap:0.5rem}.nav-options a{padding:0.75rem 1.25rem;color:var(--gray);text-decoration:none;font-weight:600;border-radius:8px;transition:0.3s}.nav-options a:hover,.nav-options a.selected-nav{color:var(--primary);background:var(--light)}.nav-extras{display:flex;align-items:center;gap:1rem}.account-link{color:var(--gray);text-decoration:none;font-weight:600}.register-btn{padding:0.75rem 1.5rem;background:var(--primary);color:#fff;text-decoration:none;font-weight:600;border-radius:8px;transition:0.3s}.register-btn:hover{background:#059669}.toggle-nav{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer}.toggle-nav span{width:25px;height:3px;background:var(--dark);border-radius:2px}
.intro-banner{padding:6rem 0;background:linear-gradient(135deg,var(--light) 0%,#D1FAE5 100%)}.banner-flex{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.info-pill{display:inline-flex;align-items:center;gap:0.5rem;background:#fff;padding:0.5rem 1rem;border-radius:50px;font-size:0.875rem;font-weight:600;color:var(--primary);margin-bottom:1.5rem}.text-area h1{font-size:3.5rem;font-weight:900;line-height:1.1;margin-bottom:1.5rem}.accent-heading{background:linear-gradient(135deg,var(--primary),#059669);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.text-area p{font-size:1.125rem;color:var(--gray);margin-bottom:2rem;line-height:1.8}.cta-buttons{display:flex;gap:1rem;margin-bottom:2rem}.primary-cta,.secondary-cta{display:inline-flex;align-items:center;gap:0.75rem;padding:1rem 2rem;border-radius:8px;font-weight:600;text-decoration:none;transition:0.3s;border:2px solid transparent}.primary-cta{background:var(--primary);color:#fff}.primary-cta:hover{background:#059669;transform:translateY(-3px)}.secondary-cta{border-color:var(--primary);color:var(--primary)}.secondary-cta:hover{background:var(--primary);color:#fff}.metric-display{display:flex;gap:2rem}.metric-display div strong{display:block;font-size:2rem;color:var(--primary);font-weight:800}.metric-display div span{color:var(--gray);font-size:0.9rem}.image-area img{width:100%;border-radius:12px;box-shadow:0 20px 25px -5px rgba(0,0,0,0.1)}
.subjects-zone{padding:6rem 0}.heading-block{text-align:center;max-width:700px;margin:0 auto 4rem}.heading-tag{display:inline-block;color:var(--primary);font-weight:600;font-size:0.875rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:1rem}.heading-block h2{font-size:2.5rem;font-weight:900;margin-bottom:1rem}.heading-block p{font-size:1.125rem;color:var(--gray)}.subjects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.subject-item{background:#fff;padding:2.5rem;border-radius:12px;border:2px solid #D1D5DB;transition:0.3s;display:flex;flex-direction:column}.subject-item:hover{transform:translateY(-10px);box-shadow:0 20px 25px -5px rgba(0,0,0,0.1);border-color:var(--primary)}.subject-item.featured{background:linear-gradient(135deg,var(--light) 0%,#fff 100%);border-color:var(--primary)}.subject-avatar{width:60px;height:60px;background:var(--primary);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;margin-bottom:1.5rem}.subject-item h3{font-size:1.5rem;margin-bottom:1rem}.subject-item>p{color:var(--gray);line-height:1.7;margin-bottom:1rem}.topic-list{list-style:none;margin-bottom:1.5rem;flex-grow:1}.topic-list li{padding:0.5rem 0;color:var(--gray);font-size:0.95rem;padding-left:1.5rem;position:relative}.topic-list li:before{content:"•";position:absolute;left:0;color:var(--primary);font-weight:700;font-size:1.25rem}.subject-stats{display:flex;flex-direction:column;gap:0.5rem;padding-top:1.5rem;border-top:1px solid #E5E7EB}.subject-stats span{display:flex;align-items:center;gap:0.5rem;color:var(--gray);font-size:0.9rem}.subject-stats i{color:var(--primary)}
.levels-zone{padding:6rem 0;background:var(--light)}.levels-layout{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:3rem}.level-block{background:#fff;padding:2.5rem;border-radius:12px;border:2px solid #D1D5DB;transition:0.3s;display:flex;flex-direction:column;position:relative}.level-block:hover{border-color:var(--primary);transform:translateY(-10px)}.level-block.special-level{border-color:var(--primary);border-width:3px}.popular-flag{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;padding:0.5rem 1.5rem;border-radius:50px;font-size:0.875rem;font-weight:700}.level-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}.level-number{width:60px;height:60px;background:var(--light);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.5rem;font-weight:800;flex-shrink:0}.level-header h3{font-size:1.75rem}.level-block>p{color:var(--gray);line-height:1.7;margin-bottom:1.5rem;flex-grow:1}.level-features{display:flex;flex-direction:column;gap:0.75rem;margin-bottom:1.5rem}.feature-point{display:flex;align-items:center;gap:0.75rem;color:var(--gray)}.feature-point i{color:var(--primary);font-size:1.125rem}.level-link{color:var(--primary);text-decoration:none;font-weight:600;display:inline-flex;align-items:center;gap:0.5rem;transition:0.3s}.level-link:hover{gap:1rem}
.tools-zone{padding:6rem 0}.tools-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:3rem}.tool-card{background:#fff;padding:2.5rem;border-radius:12px;border:2px solid #D1D5DB;transition:0.3s;text-align:center}.tool-card:hover{border-color:var(--primary);transform:translateY(-5px)}.tool-icon{width:60px;height:60px;background:var(--light);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.5rem;margin:0 auto 1.5rem}.tool-card h3{font-size:1.25rem;margin-bottom:1rem}.tool-card p{color:var(--gray);line-height:1.7}
.closing-cta{padding:6rem 0;background:linear-gradient(135deg,var(--primary),#059669)}.cta-interior{display:flex;justify-content:space-between;align-items:center;color:#fff}.cta-interior h2{font-size:2.5rem;margin-bottom:0.5rem}.cta-interior p{font-size:1.125rem;opacity:0.9}.cta-pair{display:flex;gap:1rem}.bright-btn,.frame-btn{display:inline-flex;align-items:center;gap:0.75rem;padding:1rem 2rem;border-radius:8px;font-weight:600;text-decoration:none;transition:0.3s;border:2px solid transparent}.bright-btn{background:#fff;color:var(--primary)}.bright-btn:hover{transform:translateY(-3px)}.frame-btn{border-color:#fff;color:#fff}.frame-btn:hover{background:#fff;color:var(--primary)}
.page-footer{background:var(--dark);color:#fff;padding:4rem 0 2rem}.footer-sections{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}.footer-area p{color:rgba(255,255,255,0.7);line-height:1.8;margin:1rem 0 1.5rem}.reach-info p{display:flex;gap:0.75rem;margin-bottom:0.75rem;color:rgba(255,255,255,0.7)}.footer-area h4{margin-bottom:1.5rem}.footer-area ul{list-style:none}.footer-area ul li{margin-bottom:0.75rem}.footer-area a{color:rgba(255,255,255,0.7);text-decoration:none;transition:0.3s}.footer-area a:hover{color:var(--primary)}.footer-strip{display:flex;justify-content:space-between;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.1)}.social-icons{display:flex;gap:1rem}.social-icons a{width:40px;height:40px;background:rgba(255,255,255,0.1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:0.3s}.social-icons a:hover{background:var(--primary)}
@media (max-width:768px){.nav-options{display:none}.toggle-nav{display:flex}.banner-flex,.subjects-grid,.levels-layout,.tools-matrix{grid-template-columns:1fr}.text-area h1{font-size:2.5rem}.cta-interior{flex-direction:column;gap:2rem;text-align:center}.footer-sections{grid-template-columns:1fr}.footer-strip{flex-direction:column;gap:1rem;text-align:center}}