@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');:root{--bg:#0b1220;--bg2:#0f1a2e;--bg3:#142035;--surface:#162340;--surface2:#1c2d50;--border:#1e3356;--green:#22c55e;--green-dim:#16a34a;--green-glow:rgba(34,197,94,0.18);--green-glow2:rgba(34,197,94,0.08);--text:#e8f0fe;--text2:#8eafd4;--text3:#4d6a8f;--white:#ffffff;--radius:14px;--radius-sm:8px;--shadow:0 4px 32px rgba(0,0,0,0.45);--shadow-green:0 0 28px rgba(34,197,94,0.2);--transition:0.25s cubic-bezier(0.4,0,0.2,1);}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}html{scroll-behavior:smooth;}body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;position:relative;}body::before{content:'';position:fixed;top:-200px;left:50%;transform:translateX(-50%);width:900px;height:600px;background:radial-gradient(ellipse at center,rgba(34,197,94,0.06) 0%,transparent 70%);pointer-events:none;z-index:0;}nav{position:sticky;top:0;z-index:100;background:rgba(11,18,32,0.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:0 clamp(16px,5vw,64px);display:flex;align-items:center;justify-content:space-between;height:68px;}.nav-logo{font-family:'Syne',sans-serif;font-size:1.25rem;font-weight:800;color:var(--white);text-decoration:none;display:flex;align-items:center;gap:10px;}.nav-logo span{background:var(--green);color:#0b1220;padding:3px 9px;border-radius:6px;font-size:0.75rem;font-weight:800;letter-spacing:0.05em;}.nav-links{display:flex;align-items:center;gap:4px;list-style:none;}.nav-links a{display:block;padding:8px 14px;border-radius:var(--radius-sm);color:var(--text2);text-decoration:none;font-size:0.875rem;font-weight:500;transition:color var(--transition),background var(--transition);}.nav-links a:hover,.nav-links a.active{color:var(--green);background:var(--green-glow2);}.nav-links a.active{border:1px solid rgba(34,197,94,0.25);}.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;}.nav-hamburger span{display:block;width:24px;height:2px;background:var(--text2);border-radius:2px;transition:var(--transition);}.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;background:var(--bg2);border-bottom:1px solid var(--border);padding:16px;z-index:99;flex-direction:column;gap:4px;}.mobile-menu a{display:block;padding:12px 16px;border-radius:var(--radius-sm);color:var(--text2);text-decoration:none;font-size:0.9rem;font-weight:500;transition:var(--transition);}.mobile-menu a:hover,.mobile-menu a.active{color:var(--green);background:var(--green-glow2);}.hero{position:relative;z-index:1;padding:clamp(60px,10vw,120px) clamp(16px,5vw,64px) clamp(40px,6vw,80px);text-align:center;overflow:hidden;}.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(34,197,94,0.09) 0%,transparent 70%);pointer-events:none;}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;background:var(--green-glow2);border:1px solid rgba(34,197,94,0.3);color:var(--green);font-size:0.8rem;font-weight:600;letter-spacing:0.04em;margin-bottom:24px;animation:fadeUp 0.6s ease both;}.hero-badge::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 2s infinite;}@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:0.5;transform:scale(0.8);}}.hero h1{font-family:'Syne',sans-serif;font-size:clamp(2.2rem,5.5vw,4.2rem);font-weight:800;line-height:1.1;margin-bottom:20px;animation:fadeUp 0.6s 0.1s ease both;}.hero h1 em{font-style:normal;color:var(--green);position:relative;}.hero p{max-width:600px;margin:0 auto 40px;color:var(--text2);font-size:clamp(0.95rem,2vw,1.1rem);line-height:1.7;animation:fadeUp 0.6s 0.2s ease both;}.hero-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;animation:fadeUp 0.6s 0.3s ease both;}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);font-family:'DM Sans',sans-serif;font-size:0.9rem;font-weight:600;text-decoration:none;cursor:pointer;border:none;outline:none;transition:all var(--transition);position:relative;overflow:hidden;}.btn-primary{background:var(--green);color:#0b1220;box-shadow:0 0 20px rgba(34,197,94,0.3);}.btn-primary:hover{background:#4ade80;box-shadow:0 0 30px rgba(34,197,94,0.5);transform:translateY(-2px);}.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border);}.btn-ghost:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px);}.btn-download{background:transparent;color:var(--green);border:1px solid rgba(34,197,94,0.4);padding:8px 18px;font-size:0.82rem;border-radius:var(--radius-sm);}.btn-download:hover{background:var(--green);color:#0b1220;box-shadow:var(--shadow-green);transform:translateY(-1px);}.btn-download svg{width:14px;height:14px;}.stats-row{display:flex;justify-content:center;gap:clamp(24px,5vw,64px);flex-wrap:wrap;padding:48px clamp(16px,5vw,64px);border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg2);animation:fadeUp 0.6s 0.4s ease both;}.stat-item{text-align:center;}.stat-num{font-family:'Syne',sans-serif;font-size:2.2rem;font-weight:800;color:var(--white);display:block;}.stat-num span{color:var(--green);}.stat-label{font-size:0.8rem;color:var(--text3);letter-spacing:0.06em;text-transform:uppercase;}.section{position:relative;z-index:1;padding:clamp(48px,8vw,96px) clamp(16px,5vw,64px);}.section-header{margin-bottom:40px;}.section-tag{font-size:0.75rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--green);margin-bottom:10px;display:block;}.section-header h2{font-family:'Syne',sans-serif;font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;color:var(--white);margin-bottom:8px;}.section-header p{color:var(--text2);font-size:0.95rem;max-width:480px;}.subjects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}.subject-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:14px;transition:all var(--transition);position:relative;overflow:hidden;animation:fadeUp 0.5s ease both;}.subject-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--green-glow2) 0%,transparent 60%);opacity:0;transition:opacity var(--transition);}.subject-card:hover{border-color:rgba(34,197,94,0.4);transform:translateY(-4px);box-shadow:var(--shadow-green),var(--shadow);}.subject-card:hover::before{opacity:1;}.subject-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;position:relative;z-index:1;}.subject-card h3{font-family:'Syne',sans-serif;font-size:1.05rem;font-weight:700;color:var(--white);position:relative;z-index:1;}.subject-card p{font-size:0.85rem;color:var(--text2);line-height:1.6;position:relative;z-index:1;}.subject-meta{display:flex;align-items:center;gap:12px;font-size:0.78rem;color:var(--text3);position:relative;z-index:1;}.subject-meta span{display:flex;align-items:center;gap:4px;}.subject-arrow{margin-top:auto;color:var(--green);font-size:1.2rem;transition:transform var(--transition);position:relative;z-index:1;}.subject-card:hover .subject-arrow{transform:translateX(6px);}.page-hero{padding:clamp(40px,7vw,80px) clamp(16px,5vw,64px) clamp(32px,5vw,56px);position:relative;z-index:1;border-bottom:1px solid var(--border);}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--text3);margin-bottom:20px;}.breadcrumb a{color:var(--text3);text-decoration:none;}.breadcrumb a:hover{color:var(--green);}.breadcrumb svg{width:12px;height:12px;}.page-hero-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;flex-wrap:wrap;}.page-hero-text h1{font-family:'Syne',sans-serif;font-size:clamp(1.8rem,4vw,3rem);font-weight:800;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}.page-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;flex-shrink:0;}.page-hero-text p{color:var(--text2);margin-top:12px;font-size:0.95rem;max-width:520px;line-height:1.7;}.page-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}.tag{padding:5px 12px;border-radius:999px;font-size:0.75rem;font-weight:600;background:var(--surface2);border:1px solid var(--border);color:var(--text2);}.toolbar{display:flex;align-items:center;gap:12px;padding:24px clamp(16px,5vw,64px);flex-wrap:wrap;position:sticky;top:68px;z-index:90;background:rgba(11,18,32,0.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);}.search-wrap{position:relative;flex:1;min-width:220px;}.search-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text3);width:16px;height:16px;pointer-events:none;}.search-input{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px 10px 38px;color:var(--text);font-family:'DM Sans',sans-serif;font-size:0.875rem;outline:none;transition:var(--transition);}.search-input:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--green-glow2);}.search-input::placeholder{color:var(--text3);}.filter-tabs{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}.filter-btn{padding:9px 16px;border-radius:var(--radius-sm);font-size:0.8rem;font-weight:600;background:transparent;border:1px solid var(--border);color:var(--text2);cursor:pointer;transition:var(--transition);font-family:'DM Sans',sans-serif;}.filter-btn:hover,.filter-btn.active{background:var(--green);border-color:var(--green);color:#0b1220;}.content-section{padding:clamp(32px,5vw,56px) clamp(16px,5vw,64px);}.content-section + .content-section{border-top:1px solid var(--border);}.content-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px;}.content-section-header h2{font-family:'Syne',sans-serif;font-size:1.25rem;font-weight:700;display:flex;align-items:center;gap:10px;}.content-section-header h2::before{content:'';display:block;width:4px;height:22px;background:var(--green);border-radius:2px;}.count-badge{font-size:0.75rem;font-weight:600;background:var(--green-glow);color:var(--green);padding:3px 10px;border-radius:999px;}.items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}.item-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:12px;transition:all var(--transition);position:relative;overflow:hidden;}.item-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--green),transparent);transform:scaleX(0);transform-origin:left;transition:transform var(--transition);}.item-card:hover{border-color:rgba(34,197,94,0.3);transform:translateY(-3px);box-shadow:var(--shadow);}.item-card:hover::after{transform:scaleX(1);}.item-type{font-size:0.7rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:3px 10px;border-radius:999px;display:inline-block;width:fit-content;}.type-course{background:rgba(34,197,94,0.12);color:var(--green);}.type-exercise{background:rgba(59,130,246,0.12);color:#60a5fa;}.type-series{background:rgba(245,158,11,0.12);color:#fbbf24;}.item-card h3{font-size:0.95rem;font-weight:600;color:var(--white);line-height:1.4;}.item-card p{font-size:0.83rem;color:var(--text2);line-height:1.6;flex:1;}.item-footer{display:flex;align-items:center;justify-content:space-between;margin-top:4px;}.item-meta{font-size:0.75rem;color:var(--text3);display:flex;align-items:center;gap:6px;}.item-meta svg{width:13px;height:13px;}.empty-state{text-align:center;padding:60px 20px;color:var(--text3);display:none;}.empty-state svg{width:48px;height:48px;margin-bottom:16px;color:var(--text3);}.empty-state p{font-size:0.9rem;}footer{position:relative;z-index:1;border-top:1px solid var(--border);background:var(--bg2);padding:clamp(32px,5vw,56px) clamp(16px,5vw,64px) 24px;}.footer-inner{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:40px;margin-bottom:40px;}.footer-brand p{font-size:0.85rem;color:var(--text2);line-height:1.7;margin-top:12px;max-width:260px;}.footer-col h4{font-family:'Syne',sans-serif;font-size:0.8rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--text3);margin-bottom:16px;}.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}.footer-col a{font-size:0.875rem;color:var(--text2);text-decoration:none;transition:color var(--transition);}.footer-col a:hover{color:var(--green);}.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid var(--border);font-size:0.8rem;color:var(--text3);flex-wrap:wrap;gap:12px;}.footer-bottom span{color:var(--green);}.contact-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:24px;}.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;gap:20px;}.contact-card h3{font-family:'Syne',sans-serif;font-size:1.2rem;color:var(--white);}.input-group{display:flex;flex-direction:column;gap:8px;}.input-group label{color:var(--text2);font-size:0.85rem;}.input-group input,.input-group textarea{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);padding:14px;font-family:'DM Sans',sans-serif;font-size:0.95rem;outline:none;}.input-group textarea{min-height:160px;resize:vertical;}.form-actions{display:flex;justify-content:flex-end;}@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}@keyframes fadeUp{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}.animate{opacity:0;transform:translateY(24px);transition:opacity 0.5s ease,transform 0.5s ease;}.animate.visible{opacity:1;transform:translateY(0);}@media (max-width:900px){.footer-inner{grid-template-columns:1fr 1fr;}}@media (max-width:640px){.nav-links{display:none;}.nav-hamburger{display:flex;}.footer-inner{grid-template-columns:1fr;}.page-hero-inner{flex-direction:column;}.toolbar{position:static;}}::-webkit-scrollbar{width:6px;}::-webkit-scrollbar-track{background:var(--bg);}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}::-webkit-scrollbar-thumb:hover{background:var(--green-dim);}.grid-bg{position:fixed;inset:0;z-index:0;background-image:linear-gradient(rgba(30,51,86,0.3) 1px,transparent 1px),linear-gradient(90deg,rgba(30,51,86,0.3) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;mask-image:radial-gradient(ellipse 80% 80% at 50% 0%,black 0%,transparent 70%);}.mobile-menu{display:none;flex-direction:column;position:fixed;top:70px;left:0;width:100%;background:var(--bg2);padding:20px;z-index:999;border-bottom:1px solid var(--border);}.mobile-menu.active{display:flex;}.empty-state{display:none;flex-direction:column;align-items:center;padding:40px;color:var(--text2);}[dir="rtl"] .item-card{text-align:right;}[dir="rtl"] .content-section-header h2::before{order:1;margin-left:10px;margin-right:0;}