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0.15);--transition-fast:150ms ease;--transition-base:250ms ease;--transition-slow:350ms ease}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;color:var(--gray-900);background-color:#000;overflow-x:hidden;padding-top:70px}.navbar{position:fixed;top:0;left:0;right:0;background:rgba(28,28,30,.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--gray-300);z-index:1000;padding:var(--spacing-sm) 0}.nav-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md);display:flex;align-items:center;justify-content:space-between}.logo{font-size:var(--font-size-xl);font-weight:700;text-decoration:none;color:var(--gray-900)}.logo-kontra{color:var(--primary)}.logo-akademi{color:var(--gray-900)}.nav-menu{display:flex;list-style:none;gap:var(--spacing-lg)}.nav-link{text-decoration:none;color:var(--gray-700);font-weight:500;transition:color 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70px);overflow-y:auto}.mobile-menu.active{transform:translateY(0)}.mobile-nav-link{font-size:1.25rem;color:var(--secondary);text-decoration:none;font-weight:600;text-align:center;padding:1rem;border-radius:var(--radius-md);transition:background .2s}.mobile-nav-link:hover{background:var(--gray-200);color:var(--primary)}.nav-item-dropdown{position:relative}.nav-item-dropdown>.nav-link{display:flex;align-items:center;gap:.5rem;position:relative}.dropdown-menu{position:absolute;top:calc(100% + .75rem);left:0;background:var(--gray-100);border:1px solid var(--gray-300);border-radius:var(--radius-md);min-width:220px;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:1000;box-shadow:0 10px 25px rgba(0,0,0,.3),0 0 0 1px rgba(255,255,255,.05);overflow:hidden}.nav-item-dropdown:hover .dropdown-menu{opacity:1;visibility:visible}.dropdown-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);color:var(--gray-700);text-decoration:none;transition:all 150ms ease;border-bottom:1px solid var(--gray-200);position:relative}.dropdown-item:first-child{border-top-left-radius:var(--radius-md);border-top-right-radius:var(--radius-md)}.dropdown-item:last-child{border-bottom:none;border-bottom-left-radius:var(--radius-md);border-bottom-right-radius:var(--radius-md)}.dropdown-item:hover{background:linear-gradient(90deg,var(--gray-200) 0,rgba(255,69,58,.1) 100%);color:var(--primary);padding-left:calc(var(--spacing-md) + .5rem)}.dropdown-item.coming-soon{opacity:.7;cursor:not-allowed;position:relative}.dropdown-item.coming-soon:hover{background:var(--gray-200);color:var(--gray-600);padding-left:var(--spacing-md)}.dropdown-item.coming-soon::after{content:'Çok Yakında';position:absolute;right:var(--spacing-md);font-size:var(--font-size-xs);color:var(--warning);font-weight:600;background:rgba(255,214,10,.1);padding:.125rem .5rem;border-radius:4px;border:1px solid rgba(255,214,10,.3)}.nav-auth{display:flex;gap:var(--spacing-sm);min-height:44px;align-items:center}.user-info{display:flex;align-items:center;gap:var(--spacing-sm)}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#ff453a 0,#ff6b5a 50%,#a855f7 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:var(--font-size-sm);box-shadow:0 4px 12px rgba(255,69,58,.4);border:2px solid rgba(255,255,255,.2)}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;text-decoration:none;cursor:pointer;border:none;font-size:var(--font-size-base);font-family:var(--font-family);position:relative;overflow:hidden;transition:all .3s cubic-bezier(.4, 0, .2, 1)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:0 10px 25px rgba(255,69,58,.4)}.btn-secondary{background:0 0;color:var(--gray-800);border:2px solid var(--gray-400)}.btn-secondary:hover{background:var(--gray-200);border-color:var(--gray-500);color:var(--gray-900)}.btn-ghost{background:0 0;color:var(--gray-800)}.btn-ghost:hover{background:var(--gray-200);color:var(--gray-900)}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-2xl) var(--spacing-md);margin-top:100px;background:#000}.hero-wrapper{max-width:900px;width:100%;display:flex;flex-direction:column;gap:var(--spacing-2xl);align-items:center}.hero-content{text-align:center}.hero-image-wrapper{display:flex;align-items:center;justify-content:center}.hero-image{width:100%;height:auto;max-height:600px;object-fit:contain;border-radius:var(--radius-xl);box-shadow:0 20px 60px rgba(0,0,0,.3);transition:transform .3s ease;background-color:#000;padding:1rem;display:block}.hero-image:hover{transform:scale(1.02)}.hero-title{font-size:clamp(2.5rem, 5vw, 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var(--gray-300);border-radius:var(--radius-lg);padding:var(--spacing-lg);text-decoration:none;color:var(--gray-900);position:relative;overflow:hidden;transition:all .3s cubic-bezier(.4, 0, .2, 1);animation:fadeIn .6s ease-out both;animation-delay:calc(var(--card-index, 0) * .1s)}.module-image-wrapper{width:100%;height:200px;background:0 0;border-radius:var(--radius-md);margin-bottom:var(--spacing-md);display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--gray-300)}.module-image{width:100%;height:100%;object-fit:contain;padding:.5rem;transition:transform .3s ease;background:0 0}.module-card:hover .module-image{transform:scale(1.05)}.module-card:not(.corporate-card):first-child{background:linear-gradient(135deg,rgba(59,130,246,.08) 0,var(--gray-100) 100%);border-color:rgba(59,130,246,.3)}.module-card:not(.corporate-card):nth-child(2){background:linear-gradient(135deg,rgba(168,85,247,.08) 0,var(--gray-100) 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40px rgba(255,69,58,.2)}.module-card:hover::before{transform:scaleX(1)}.module-card.locked{opacity:.6;cursor:not-allowed}.module-card.locked:hover{transform:none;box-shadow:none}.module-card.completed::before{transform:scaleX(1);background:var(--success)}.module-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md)}.module-number{font-size:var(--font-size-sm);font-weight:700;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-light));padding:.5rem 1rem;border-radius:var(--radius-full);box-shadow:0 4px 12px rgba(255,69,58,.3);display:inline-flex;align-items:center;gap:.5rem}.corporate-card .module-number{background:var(--gray-200);color:var(--gray-800);box-shadow:none;padding:.25rem .75rem}.corporate-card .module-number::before{content:none}.module-title{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--gray-900)}.module-description{color:var(--gray-700);margin-bottom:var(--spacing-md);font-size:var(--font-size-sm)}.module-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.tag{font-size:var(--font-size-xs);padding:.375rem .875rem;background:rgba(255,255,255,.05);color:var(--gray-800);border-radius:var(--radius-full);font-weight:600;border:1px solid var(--gray-500);display:inline-flex;align-items:center;gap:.25rem;transition:all .2s ease}.tag:not(.corporate-tag)::before{content:'◆';color:var(--primary);font-size:.6rem}.corporate-card .tag::before{content:none}.module-card:not(.corporate-card) .tag{background:rgba(255,255,255,.08);color:var(--gray-900);border-color:var(--gray-400)}.module-card:not(.corporate-card) .tag:hover{background:rgba(255,255,255,.12);border-color:var(--gray-500);color:var(--gray-900)}.progress-bar{height:10px;background:var(--gray-300);border-radius:var(--radius-full);overflow:hidden;margin-bottom:var(--spacing-sm);box-shadow:inset 0 2px 4px rgba(0,0,0,.1);position:relative}.progress{height:100%;background:linear-gradient(90deg,#ff453a 0,#ff6b5a 50%,#ff8a7a 100%);transition:width .8s cubic-bezier(.4, 0, .2, 1);border-radius:var(--radius-full);box-shadow:0 0 10px rgba(255,69,58,.5);position:relative}.progress::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer-once 2s ease-out;opacity:0}@keyframes shimmer-once{0%{transform:translateX(-100%);opacity:0}50%{opacity:1}100%{transform:translateX(100%);opacity:0}}.module-footer{display:flex;justify-content:space-between;align-items:center;font-size:var(--font-size-sm);color:var(--gray-600)}.course-layout{display:grid;grid-template-columns:300px 1fr;gap:var(--spacing-lg);max-width:1400px;margin:0 auto;padding:calc(70px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl)}.course-sidebar{background:var(--gray-100);border:2px solid var(--gray-300);border-radius:var(--radius-lg);padding:var(--spacing-lg);height:fit-content;position:sticky;top:100px}.course-sidebar h3{font-size:var(--font-size-lg);margin-bottom:var(--spacing-md);color:var(--gray-900)}.course-menu{list-style:none}.course-menu-item{margin-bottom:var(--spacing-xs)}.course-menu-link{display:block;padding:var(--spacing-sm);text-decoration:none;color:var(--gray-700);border-radius:var(--radius-sm);transition:all var(--transition-base);font-size:var(--font-size-sm)}.course-menu-link:hover{background:var(--gray-200);color:var(--primary)}.course-menu-link.active{background:rgba(255,59,48,.1);color:var(--primary);font-weight:600}.course-submenu{list-style:none;margin-top:var(--spacing-xs);margin-left:var(--spacing-md);padding-left:var(--spacing-sm);border-left:2px solid var(--gray-300)}.course-submenu-item{margin-bottom:var(--spacing-xs)}.course-submenu-link{display:block;padding:calc(var(--spacing-xs) + .25rem) var(--spacing-sm);text-decoration:none;color:var(--gray-600);border-radius:var(--radius-sm);transition:all var(--transition-base);font-size:var(--font-size-xs)}.course-submenu-link:hover{background:var(--gray-200);color:var(--primary);padding-left:calc(var(--spacing-sm) + .25rem)}.course-submenu-link.active{background:rgba(255,69,58,.15);color:var(--primary);font-weight:600;border-left:3px solid var(--primary);padding-left:calc(var(--spacing-sm) - 3px)}.course-content{background:var(--gray-100);border:2px solid var(--gray-300);border-radius:var(--radius-lg);padding:var(--spacing-xl)}.course-header{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:2px solid var(--gray-300)}.course-title{font-size:var(--font-size-3xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--gray-900)}.course-meta{display:flex;gap:var(--spacing-lg);color:var(--gray-700);font-size:var(--font-size-sm)}.content-section{margin-bottom:var(--spacing-2xl);padding-bottom:var(--spacing-xl);border-bottom:1px solid var(--gray-300)}.content-section:last-child{border-bottom:none}.section-title-main{font-size:var(--font-size-3xl);font-weight:800;margin-bottom:var(--spacing-lg);margin-top:var(--spacing-lg);color:var(--gray-900);line-height:1.3;letter-spacing:-.02em;border-left:4px solid var(--primary);padding-left:var(--spacing-md)}.content-section h2{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-md);color:var(--gray-900)}.content-section h3{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--spacing-md);margin-top:var(--spacing-lg);color:var(--gray-900);line-height:1.4}.content-text{font-size:var(--font-size-base);line-height:1.9;color:var(--gray-800);margin-bottom:var(--spacing-md)}.content-text p{margin-bottom:var(--spacing-md);line-height:1.9}.content-text h3{font-size:var(--font-size-xl);font-weight:700;margin-bottom:var(--spacing-sm);margin-top:var(--spacing-lg);color:var(--gray-900);line-height:1.4}.content-text strong{font-weight:700;color:var(--gray-900)}.content-paragraph{margin-bottom:var(--spacing-md);line-height:1.9;color:var(--gray-800);font-size:var(--font-size-base)}.content-list,.content-section ol,.content-section ul{margin-bottom:var(--spacing-md);padding-left:var(--spacing-lg);color:var(--gray-800);line-height:1.8}.content-list li,.content-section li{margin-bottom:var(--spacing-sm);line-height:1.8}.code-block{background:#000;color:#f8f8f2;padding:var(--spacing-md);border-radius:var(--radius-md);overflow-x:auto;margin-bottom:var(--spacing-md);font-family:Monaco,'Courier New',monospace;font-size:var(--font-size-sm);border:1px solid var(--gray-300)}.video-container{margin:var(--spacing-xl) 0;text-align:center;background:var(--gray-200);padding:var(--spacing-lg);border-radius:var(--radius-lg);border:2px solid var(--gray-300);position:relative;min-height:300px}.video-container video{width:100%;max-width:900px;border-radius:var(--radius-md);box-shadow:0 8px 24px rgba(0,0,0,.3);background:var(--gray-100)}.video-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1}.video-error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1;width:90%;max-width:500px}.info-box{background:rgba(100,210,255,.1);border-left:4px solid var(--info);padding:var(--spacing-md);border-radius:var(--radius-sm);margin-bottom:var(--spacing-md)}.warning-box{background:rgba(255,214,10,.1);border-left:4px solid var(--warning);padding:var(--spacing-md);border-radius:var(--radius-sm);margin-bottom:var(--spacing-md)}.quiz-container{background:var(--gray-200);border-radius:var(--radius-lg);padding:var(--spacing-xl);margin-top:var(--spacing-xl)}.quiz-header{text-align:center;margin-bottom:var(--spacing-xl)}.quiz-title{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--gray-900)}.quiz-progress{font-size:var(--font-size-sm);color:var(--gray-700)}.question-card{background:var(--gray-100);border-radius:var(--radius-md);padding:var(--spacing-lg);margin-bottom:var(--spacing-md)}.question-text{font-size:var(--font-size-lg);font-weight:600;margin-bottom:var(--spacing-md);color:var(--gray-900)}.options{display:flex;flex-direction:column;gap:var(--spacing-sm)}.option{background:var(--gray-200);border:2px solid transparent;border-radius:var(--radius-md);padding:var(--spacing-md);cursor:pointer;transition:all var(--transition-base);font-weight:500;color:var(--gray-900)}.option:hover{background:var(--gray-300);border-color:var(--gray-400)}.option.selected{background:rgba(255,59,48,.1);border-color:var(--primary);color:var(--primary)}.option.correct{background:rgba(48,209,88,.1);border-color:var(--success);color:var(--success)}.option.incorrect{background:rgba(255,59,48,.1);border-color:var(--primary);color:var(--primary)}.option.disabled{pointer-events:none}.quiz-actions{display:flex;justify-content:center;gap:var(--spacing-md);margin-top:var(--spacing-lg)}.quiz-result{background:var(--gray-100);border-radius:var(--radius-md);padding:var(--spacing-xl);text-align:center}.result-score{font-size:var(--font-size-4xl);font-weight:800;color:var(--primary);margin-bottom:var(--spacing-md)}.result-message{font-size:var(--font-size-xl);margin-bottom:var(--spacing-sm);color:var(--gray-900)}.result-xp{font-size:var(--font-size-lg);color:var(--gray-700);margin-bottom:var(--spacing-xl)}.profile-container{max-width:900px;margin:0 auto;padding:calc(70px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl)}.profile-header{background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:var(--radius-lg);padding:var(--spacing-xl);color:#fff;margin-bottom:var(--spacing-lg);text-align:center}.profile-avatar-large{width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,#ff453a 0,#ff6b5a 30%,#a855f7 60%,#3b82f6 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:3rem;margin:0 auto var(--spacing-md);box-shadow:0 8px 32px rgba(255,69,58,.4);border:4px solid rgba(255,255,255,.3);position:relative}.profile-username{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-xs)}.profile-level{font-size:var(--font-size-lg);opacity:.9}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.stat-card{background:linear-gradient(135deg,rgba(255,255,255,.08) 0,rgba(255,255,255,.03) 100%);border:2px solid rgba(255,69,58,.2);border-radius:var(--radius-md);padding:var(--spacing-lg);text-align:center;position:relative;overflow:hidden}.stat-card:not(.corporate-stat)::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,69,58,.1) 0,transparent 70%);animation:rotate 10s linear infinite}.corporate-stat::before{content:none}@keyframes rotate{from{transform:rotate(0)}to{transform:rotate(360deg)}}.stat-value{font-size:3rem;font-weight:800;background:linear-gradient(135deg,#ff453a 0,#ff6b5a 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