:root {
            --primary-color: #4F46E5;
            --primary-light: #e0e7ff;
            --secondary-color: #10B981;
            --dark-bg: #0f172a;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --custom-green: rgb(76, 175, 80); 
            --custom-green-hover: rgb(67, 160, 71);
            --hero-bg: radial-gradient(circle at 70% 30%, #eef2ff 0%, #f0fdf4 100%);
            --cta-original-bg: radial-gradient(circle at 70% 30%, #f1f5f9 0%, #ffffff 70%);
            --logo-blue: #0163ff;
            --soft-blue: #60a5fa; 
            --cable-color: #bfdbfe; 
            --cable-border: #60a5fa; 
            --card-hover-border: #93c5fd;
            --bulb-color: #fbbf24;
            --brain-gradient-start: #6366f1; 
            --brain-gradient-end: #8b5cf6;   
        }

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: #f8fafc;
            color: var(--text-main);
            overflow-x: hidden;
            scroll-behavior: smooth;
            padding-bottom: 0;
        }

        /* --- TEXT UTILS --- */
        .text-gradient-main {
            background: linear-gradient(135deg, var(--logo-blue) 0%, #10B981 100%);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            display: inline-block; font-weight: 800; padding-bottom: 5px;
        }

        /* HERO & BUTTONS */
        .hero-title { font-weight: 800; font-size: 3.5rem; letter-spacing: -1.5px; color: var(--text-main); margin-bottom: 20px; line-height: 1.2; }
        .hero-text { font-size: 1.2rem; line-height: 1.6; color: var(--text-muted); margin-bottom: 35px; }

        @keyframes shine { 0% { left: -100%; } 20% { left: 100%; } 100% { left: 100%; } }
        .btn-shine-anim { position: relative; overflow: hidden; }
        .btn-shine-anim::after { content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%; background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%); transform: skewX(-25deg); animation: shine 3s infinite; pointer-events: none; }

        .navbar { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(0,0,0,0.03); padding: 12px 0; z-index: 1000; }
        .navbar-brand img { height: 40px; border-radius: 10px; }
        .navbar-brand span { font-weight: 700; color: var(--text-main); font-size: 1.3rem; margin-left: 10px;margin-right: 10px; }
        
        .nav-link { color: var(--text-main); font-weight: 600; margin: 0 10px; transition: 0.2s; }
        .nav-link:hover { color: var(--primary-color); }

        .navbar-toggler { border: none; box-shadow: none !important; }
        .navbar-toggler:focus { outline: none; }

        .btn-nav-download { background-color: var(--custom-green); color: white; border: none; padding: 8px 24px; font-size: 0.9rem; font-weight: 600; border-radius: 50px; transition: 0.3s; box-shadow: 0 4px 10px rgba(76, 175, 80, 0.3); text-decoration: none !important; display: inline-flex; align-items: center; gap: 6px; }
        .btn-nav-download:hover { background-color: var(--custom-green-hover); color: white; transform: translateY(-2px); }

        .mobile-bottom-bar {
            position: fixed; bottom: 0; left: 0; width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid rgba(0,0,0,0.05);
            padding: 12px 20px; z-index: 9999;
            box-shadow: 0 -5px 20px rgba(0,0,0,0.05);
            display: none; justify-content: center; align-items: center;
        }
        .btn-mobile-fixed {
            background-color: var(--custom-green); color: white;
            width: 100%; max-width: 400px;
            padding: 12px 0; border-radius: 50px;
            font-weight: 700; font-size: 1rem; text-decoration: none;
            display: flex; justify-content: center; align-items: center; gap: 8px;
            box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3); transition: 0.2s;
        }
        .btn-mobile-fixed:active { transform: scale(0.98); }

        .hero-screen-wrapper { background: var(--hero-bg); padding-top: 76px; }
        .hero-section { padding: 40px 0; overflow: hidden; }
        
        /* GUNCEL HERO STATS TASARIMI (Daha Dikkat Çekici) */
        .hero-stats-container { 
            display: inline-flex; 
            align-items: center; 
            gap: 20px; 
            margin-top: 35px; 
            background: #ffffff; 
            padding: 12px 30px; 
            border-radius: 50px; 
            box-shadow: 0 15px 35px -5px rgba(79, 70, 229, 0.2), 0 5px 15px -5px rgba(0,0,0,0.05);
            border: 2px solid white;
            transition: transform 0.3s ease;
        }
        .hero-stats-container:hover {
            transform: translateY(-3px);
        }
        .hero-stats-item { 
            font-weight: 800; 
            font-size: 1.1rem; 
            color: var(--text-main); 
            display: flex; 
            align-items: center;
        }
        .hero-stats-item i { 
            font-size: 1.25rem; 
            margin-right: 8px; 
            filter: drop-shadow(0 2px 3px rgba(0,0,0,0.1));
        }
        /* Araya Çizgi */
        .hero-stats-divider {
            width: 2px;
            height: 24px;
            background-color: #e2e8f0;
            border-radius: 2px;
        }

        .brain-visual-container { position: relative; width: 360px; height: 360px; margin: 0 auto; display: flex; align-items: center; justify-content: center; }
        .pulse-ring { position: absolute; border-radius: 50%; border: 1px solid var(--primary-color); opacity: 0; animation: ripple 3s linear infinite; }
        .pr-1 { width: 100%; height: 100%; animation-delay: 0s; } .pr-2 { width: 100%; height: 100%; animation-delay: 1s; }
        @keyframes ripple { 0% { transform: scale(0.8); opacity: 0.5; } 100% { transform: scale(1.4); opacity: 0; } }
        .icon-wrapper-main { width: 140px; height: 140px; border-radius: 50%; background: white; box-shadow: 0 20px 50px rgba(79, 70, 229, 0.4); z-index: 2; position: relative; display: flex; align-items: center; justify-content: center; border: 4px solid white; overflow: hidden; }
        
        .orbit-label { 
            position: absolute; background: white; 
            padding: 8px 12px; border-radius: 16px; 
            box-shadow: 0 10px 25px rgba(0,0,0,0.1); 
            display: flex; flex-direction: column; align-items: center; justify-content: center;
            z-index: 3; border: 1px solid rgba(79, 70, 229, 0.1); 
            text-align: center;
            animation: floatSlow 4s ease-in-out infinite; 
            min-width: 110px;
        }
        .ol-1 { top: -10px; left: -10px; } 
        .ol-4 { top: -10px; right: -10px; animation-delay: 1.5s; }
        .ol-2 { bottom: 10px; left: -20px; animation-delay: 0.5s; } 
        .ol-3 { bottom: 10px; right: -20px; animation-delay: 2s; }
        @keyframes floatSlow { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

        .fc-img { width: 35px; height: 35px; object-fit: contain; margin-bottom: 2px; }
        .fc-target { font-weight: 800; font-size: 0.9rem; color: var(--text-main); line-height: 1.1; }
        .fc-native { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; }
        .ctx-bubble { background: #f1f5f9; padding: 4px 8px; border-radius: 8px; font-size: 0.7rem; color: #475569; margin-bottom: 4px; position: relative; }
        .ctx-bubble::after { content: ''; position: absolute; bottom: -4px; left: 50%; transform: translateX(-50%); border-width: 4px; border-style: solid; border-color: #f1f5f9 transparent transparent transparent; }
        .ctx-bold { color: var(--primary-color); font-weight: 800; }
        .ctx-label, .rep-label { font-size: 0.75rem; font-weight: 700; color: var(--text-main); }
        .card-bottom-label { font-size: 0.75rem; font-weight: 700; color: var(--text-main); margin-top: 5px; }
        
        .store-badge-img { height: 52px; margin: 5px; border-radius: 8px; transition: 0.2s; } .store-badge-img:hover { transform: translateY(-3px); }

        /* MARQUEE */
        .marquee-section { padding: 20px 0; background: white; border-top: 1px solid #f1f5f9; border-bottom: 1px solid #f1f5f9; overflow: hidden; white-space: nowrap; }
        .marquee-track { display: inline-block; animation: marquee 120s linear infinite; } 
        .lang-item { display: inline-flex; align-items: center; margin: 0 25px; color: var(--text-main); font-weight: 600; }
        .lang-flag { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; margin-right: 8px; border: 1px solid #eee; }
        @keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

        section { padding: 90px 0; }

        /* --- SCIENCE SECTION --- */
        .science-section { background: #fff; position: relative; }
        .power-source-container { position: relative; width: 100%; max-width: 1000px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; z-index: 5; }
        .timeline-wrapper { position: relative; max-width: 1000px; margin: 0 auto; }
        .timeline-line { position: absolute; left: 50%; top: 20px; bottom: 400px; width: 12px; background: var(--cable-color); transform: translateX(-50%); border-radius: 6px; z-index: 0; border: 2px solid var(--cable-border); box-shadow: inset 2px 0 4px rgba(255,255,255,0.4), inset -2px 0 4px rgba(0,0,0,0.05); }
        .timeline-row { position: relative; z-index: 1; width: 100%; display: flex; justify-content: center; margin-bottom: 40px; }
        .timeline-card-wrapper { width: 100%; max-width: 400px; padding: 0 15px; position: relative; }
        .timeline-dot { position: absolute; left: 50%; top: 50px; transform: translate(-50%, -50%); width: 44px; height: 44px; background: #f8fafc; border: 4px solid var(--cable-border); border-radius: 8px; color: var(--cable-border); font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 6px rgba(0,0,0,0.05); z-index: 2; }

        .formula-card { background: #fff; padding: 35px 25px; border-radius: 24px; text-align: center; display: flex; flex-direction: column; justify-content: flex-start; align-items: center; box-shadow: 0 15px 40px rgba(0,0,0,0.06); border: 1px solid rgba(0,0,0,0.04); transition: 0.3s; position: relative; width: 100%; min-height: 360px; }
        .formula-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(147, 197, 253, 0.25); border-color: var(--card-hover-border); }

        @media (min-width: 992px) {
            .timeline-wrapper { display: grid; grid-template-columns: 1fr 1fr; grid-row-gap: 30px; column-gap: 0; }
            .timeline-line { top: 70px; } 
            .timeline-row { margin-bottom: 0; width: 100%; display: flex; }
            .timeline-card-wrapper { width: 100%; max-width: 450px; }
            .timeline-row.left { grid-column: 1; justify-content: flex-end; padding-right: 40px; }
            .timeline-row.right { grid-column: 2; justify-content: flex-start; padding-left: 40px; margin-top: 50px; }
            .timeline-row.left .timeline-dot { right: -22px; left: auto; transform: translateY(-50%); }
            .timeline-row.right .timeline-dot { left: -22px; transform: translateY(-50%); }
            .timeline-row:nth-child(2) { grid-row: 1; }
            .timeline-row:nth-child(3) { grid-row: 1; }
            .timeline-row:nth-child(4) { grid-row: 2; margin-top: 0; }
            .timeline-row:nth-child(5) { grid-row: 2; }
            .timeline-row.center { grid-column: 1 / span 2; grid-row: 3; justify-content: center; margin-top: 40px; z-index: 5; }
            .timeline-row.center .timeline-dot { display: none; }
        }

        .sr-wrapper { display: flex; align-items: center; justify-content: space-between; width: 100%; position: relative; padding: 10px 0; margin-top: 15px; }
        .sr-line-bg { position: absolute; top: 20px; left: 0; width: 100%; height: 3px; background: #e2e8f0; z-index: 1; }
        .sr-item { display: flex; flex-direction: column; align-items: center; position: relative; z-index: 2; width: 40px; }
        .sr-circle { width: 36px; height: 36px; border-radius: 50%; border: 2px solid #cbd5e1; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.8rem; background: white; color: #94a3b8; transition: 0.3s; }
        .sr-circle.active { background: var(--custom-green); border-color: var(--custom-green); color: white; box-shadow: 0 4px 10px rgba(76, 175, 80, 0.4); transform: scale(1.15); }
        .sr-circle.learn { background: var(--soft-blue); border-color: var(--soft-blue); color: white; z-index: 3; }
        .sr-text { font-size: 0.65rem; color: #64748b; font-weight: 700; white-space: nowrap; margin-top:2px; }
        .sr-day-label { font-size: 0.6rem; color: #94a3b8; font-weight: 600; margin: 3px 0 1px 0; text-transform: uppercase; letter-spacing: 0.5px; }

        .spaced-rep-visual.mini { display: flex; align-items: center; justify-content: center; gap: 15px; }
        .day-node { display: flex; flex-direction: column; align-items: center; }
        .day-node .day-circle { width: 34px; height: 34px; border-radius: 50%; font-weight: 800; display: flex; align-items: center; justify-content: center; border: 2px solid #cbd5e1; background: white; color: #94a3b8; font-size: 0.8rem; margin-bottom: 5px; }
        .day-node.active .day-circle { background: var(--custom-green); border-color: var(--custom-green); color: white; box-shadow: 0 5px 15px rgba(76, 175, 80, 0.4); }
        .mini-text-group { display: flex; flex-direction: column; align-items: center; line-height: 1.1; gap: 3px; }
        .mini-day { font-size: 0.5rem; color: #94a3b8; font-weight: 600; text-transform: uppercase; }
        .mini-action { font-size: 0.55rem; color: var(--text-main); font-weight: 700; }
        .rep-arrow { color: #cbd5e1; font-size: 1rem; margin-bottom: 25px; }

        .result-container-transparent { width: 100%; max-width: 500px; display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; z-index: 10; padding-top: 20px; }
        .brain-lottie-wrapper { display: flex; justify-content: center; align-items: center; margin-bottom: 10px; position: relative; }
        .brain-ambient-glow { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 250px; height: 250px; background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, rgba(255,255,255,0) 70%); z-index: -1; pointer-events: none; }
        .formula-visual-large { height: 130px; width: 100%; display: flex; align-items: center; justify-content: center; margin-bottom: 25px; overflow: visible; position: relative; }

        #dynamic-fc-card { background: white; padding: 12px 20px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); border: 1px solid #f1f5f9; text-align: center; transform: rotate(-3deg); transition: 0.5s all ease; display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 120px; }
        .formula-card:hover #dynamic-fc-card { transform: rotate(0) scale(1.05); }
        .fc-img-dynamic { width: 45px; height: 45px; object-fit: contain; margin-bottom: 5px; transition: 0.3s; }
        .fc-target-dynamic { font-size: 1.1rem; font-weight: 800; color: var(--text-main); transition: 0.3s; }
        .fc-native-dynamic { font-size: 0.85rem; color: var(--text-muted); transition: 0.3s; }

        .ctx-bubble-lg { background: #f1f5f9; padding: 12px 18px; border-radius: 15px; font-size: 0.95rem; color: #334155; position: relative; transition: 0.5s all ease; width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: 5px; }
        .formula-card:hover .ctx-bubble-lg { transform: scale(1.05); background: #e0e7ff; color: var(--primary-color); }
        .ctx-bubble-lg::after { content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%); border-width: 8px; border-style: solid; border-color: #f1f5f9 transparent transparent transparent; transition: 0.3s; }
        .formula-card:hover .ctx-bubble-lg::after { border-top-color: #e0e7ff; }

        .word-trigger { font-weight: 800; border-bottom: 2px dotted rgba(79, 70, 229, 0.4); cursor: pointer; position: relative; margin: 0 4px; display: inline-block; }
        .word-tooltip { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); background: #1e293b; color: white; padding: 6px 12px; border-radius: 8px; font-size: 0.8rem; white-space: nowrap; display: flex; align-items: center; gap: 6px; box-shadow: 0 5px 15px rgba(0,0,0,0.2); z-index: 10; margin-bottom: 8px; }
        .word-tooltip::after { content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); border-width: 6px; border-style: solid; border-color: #1e293b transparent transparent transparent; }
        .tt-icon { font-size: 0.9rem; color: #fbbf24; }
        .sent-audio { font-size: 1.1rem; color: #94a3b8; cursor: pointer; transition: 0.2s; margin-left: 5px; }
        .sent-audio:hover { color: var(--primary-color); transform: scale(1.1); }

        .practice-slider-wrapper { width: 100%; height: 100%; overflow: hidden; position: relative; display: flex; align-items: center; mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent); -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent); }
        .practice-track { display: flex; gap: 15px; width: calc((80px + 15px) * 12); animation: practiceScroll 25s linear infinite; }
        .practice-item-mini { width: 80px; flex-shrink: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; transition: 0.3s; }
        .practice-item-mini:hover { transform: scale(1.1); }
        .p-icon-circle { width: 50px; height: 50px; background: #f8fafc; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 8px; color: var(--primary-color); border: 1px solid #e2e8f0; box-shadow: 0 4px 10px rgba(0,0,0,0.03); font-size: 1.5rem; }
        .p-name { font-size: 0.65rem; font-weight: 700; color: #64748b; text-align: center; white-space: nowrap; }
        @keyframes practiceScroll { 0% { transform: translateX(0); } 100% { transform: translateX(calc((80px + 15px) * -6)); } }
        .practice-slider-wrapper:hover .practice-track { animation-play-state: paused; }

        @keyframes dnaSpin { 0% { transform: rotate(0deg) scale(1); } 50% { transform: rotate(10deg) scale(1.1); } 100% { transform: rotate(0deg) scale(1); } }
        .science-icon-anim { font-size: 3rem; margin-bottom: 10px; display: inline-block; filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1)); animation: dnaSpin 6s ease-in-out infinite; }

        .reviews-section { background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 100%); color: white; position: relative; overflow: hidden; background-attachment: fixed; }
        .space-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: radial-gradient(white, rgba(255,255,255,.9) 1px, transparent 2px), radial-gradient(white, rgba(255,255,255,.6) 1px, transparent 2px), radial-gradient(white, rgba(255,255,255,.4) 2px, transparent 3px); background-size: 350px 350px, 200px 200px, 500px 500px; background-position: 10px 20px, 150px 80px, 300px 250px; background-attachment: fixed; z-index: 0; opacity: 1; animation: twinkle 6s infinite alternate; }
        @keyframes twinkle { from { opacity: 0.4; } to { opacity: 1; } }
        .review-header-img { height: 60px; width: auto; margin-bottom: 20px; display: inline-block; filter: drop-shadow(0 5px 15px rgba(0,0,0,0.1)); position: relative; z-index: 2; }
        .review-card { background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 20px; padding: 25px; height: 100%; position: relative; z-index: 2; transition: 0.3s; }
        .review-card:hover { transform: translateY(-5px); background: rgba(255,255,255,0.12); }
        .reviews-stat-badge { background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3); padding: 12px 30px; border-radius: 50px; display: inline-flex; gap: 30px; margin-top: 15px; font-size: 1.1rem; font-weight: 700; position: relative; z-index: 2; }
        .stars { color: #fbbf24; margin-bottom: 10px; }
        .store-icon-review { font-size: 1.2rem; color: #cbd5e1; }
        .reviewer-title { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.6); font-weight: 400; margin-top: 2px; }

        .cta-section { background: var(--cta-original-bg); position: relative; overflow: hidden; color: var(--text-main); }
        .cta-logo-container { display: inline-block; text-align: center; margin-bottom: 20px; }
        .cta-logo { width: 80px; height: 80px; border-radius: 18px; margin-bottom: 15px; box-shadow: 0 10px 20px rgba(0,0,0,0.1);}
        .cta-name { font-weight: 800; font-size: 2.5rem; color: var(--text-main); letter-spacing: -1px; line-height: 1; display: block; }
        .cta-slogan { font-family: 'Poppins', sans-serif; font-size: 1.8rem; font-weight: 600; color: #1e293b; margin-bottom: 30px; margin-top: 10px; letter-spacing: -0.5px; }

        .btn-scroll-top { position: fixed; bottom: 85px; right: 30px; z-index: 999; background: var(--custom-green); color: white; border: none; width: 45px; height: 45px; border-radius: 50%; font-size: 1.2rem; box-shadow: 0 5px 15px rgba(0,0,0,0.2); transition: 0.3s; display: none; align-items: center; justify-content: center; cursor: pointer; }
        .btn-scroll-top:hover { background: var(--custom-green-hover); transform: translateY(-3px); }

        .section-btn-wrapper { margin-top: 50px; text-align: center; }
        .btn-section-cta { background: var(--custom-green); color: white; padding: 14px 32px; border-radius: 50px; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; transition: 0.3s; box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3); }
        .btn-section-cta:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(76, 175, 80, 0.4); color: white; background: var(--custom-green-hover);}
        .btn-store-more { border: 1px solid rgba(255,255,255,0.3); color: #fff; padding: 12px 28px; border-radius: 50px; text-decoration: none; display: inline-flex; align-items: center; margin: 5px; transition: 0.3s; }
        .btn-store-more:hover { background: white; color: var(--dark-bg); border-color: white; }

        /* --- MODERN FOOTER STYLES --- */
        footer { 
            background: var(--dark-bg); 
            color: white; 
            padding-top: 80px; 
            padding-bottom: 30px; 
            border-top: none;
        }
        
        .footer-logo { 
            font-weight: 700; 
            font-size: 1.8rem; 
            color: white; 
            text-decoration: none; 
            display: block; 
            margin-bottom: 15px; 
            transition: color 0.3s ease;
        }
        .footer-logo:hover { 
            color: var(--soft-blue); 
        }

        .footer-desc { font-size: 0.95rem; color: #94a3b8; max-width: 320px; line-height: 1.6; margin-bottom: 25px; }
        
        .footer-heading { 
            color: white; font-weight: 700; margin-bottom: 20px; font-size: 1.1rem; letter-spacing: 0.5px;
        }
        
        .footer-links-list { list-style: none; padding: 0; margin: 0; }
        .footer-link { 
            display: block; 
            color: #cbd5e1; 
            text-decoration: none; 
            font-size: 0.95rem; 
            margin-bottom: 12px; 
            transition: all 0.2s ease;
        }
        .footer-link:hover { 
            color: var(--secondary-color); 
            transform: translateX(5px); 
        }

        /* Footer Socials */
        .social-btn { 
            width: 40px; height: 40px; 
            background: rgba(255,255,255,0.1); 
            border-radius: 50%; 
            display: inline-flex; align-items: center; justify-content: center; 
            color: white; 
            margin-right: 10px; 
            transition: 0.3s; 
            text-decoration: none;
            font-size: 1.1rem;
        }
        .social-btn:hover { background: var(--primary-color); color: white; transform: translateY(-3px); }

        /* Footer Language List (Duolingo Style - Text Only) */
        .footer-lang-section {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 40px;
            padding-top: 20px; 
        }
        
        .footer-lang-heading {
            font-size: 0.85rem;
            color: #94a3b8; /* Muted/Soluk renk */
            font-weight: 600;
            margin-bottom: 15px;
            opacity: 0.7;
        }

        .footer-languages {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 25px;
            margin-bottom: 25px;
        }
        .footer-lang-link {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s;
        }
        .footer-lang-link:hover {
            color: white;
        }

        /* Footer Bottom */
        .footer-bottom { 
            display: flex; 
            justify-content: center; 
            align-items: center; 
        }
        .footer-copyright { color: #64748b; font-size: 0.9rem; margin: 0; }

        @media (max-width: 991px) {
            .hero-title { font-size: 2.5rem; }
            .btn-mobile-download { display: none; }
            .timeline-line { left: 20px; transform: none; bottom: 0 !important; }
            .timeline-row { justify-content: flex-start !important; margin-left: 45px; width: auto; margin-bottom: 40px !important; display: block !important; }
            .timeline-card-wrapper { width: 100% !important; text-align: left !important; justify-content: flex-start !important; padding: 0 !important; }
            .timeline-dot { left: 20px; }
            .science-section .text-center { padding: 0 15px; }
            .col-lg-6.text-lg-start { text-align: center; }
            .d-flex.justify-content-lg-start { justify-content: center !important; }
            .hero-stats-container { justify-content: center; }
            .brain-visual-container { width: 300px; height: 300px; margin-top: 40px; }
            .ol-1 { top: -10px; left: -10px; } .ol-2 { bottom: 10px; left: -10px; } .ol-3 { bottom: 10px; right: -10px; } .ol-4 { top: -10px; right: -10px; }
            .mobile-bottom-bar { display: flex; }
            body { padding-bottom: 70px; }
            .btn-scroll-top { bottom: 80px; }
            .navbar-collapse { background: white; padding: 1rem; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); margin-top: 10px; }
            
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-heading { margin-top: 30px; }
            .footer-languages { justify-content: flex-start; gap: 15px; }
            .footer-lang-heading { text-align: left; }
        }

        @media (min-width: 992px) {
            .hero-screen-wrapper { height: 100vh; display: flex; flex-direction: column; padding-top: 76px; }
            .hero-section { flex: 1; display: flex; align-items: center; padding: 0; }
            .marquee-section { flex-shrink: 0; }
            .mobile-bottom-bar { display: none !important; }
            body { padding-bottom: 0; }
            .btn-scroll-top { bottom: 30px; }
        }
		
		
		
		
		


        /* Legal Content Styles */
        .legal-wrapper {
            margin-top: 100px; /* Navbar payı */
            margin-bottom: 60px;
        }
        .legal-card {
            background: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.05);
            border: 1px solid rgba(0,0,0,0.03);
        }
        .legal-content h1 { font-weight: 800; color: var(--text-main); margin-bottom: 20px; font-size: 2.5rem; }
        .legal-content h2 { font-size: 1.5rem; font-weight: 700; margin-top: 30px; margin-bottom: 15px; color: var(--text-main); border-bottom: 1px solid #f1f5f9; padding-bottom: 10px; }
        .legal-content h3 { font-size: 1.2rem; font-weight: 600; margin-top: 20px; margin-bottom: 10px; color: var(--text-main); }
        .legal-content p, .legal-content li { color: #475569; font-size: 1rem; margin-bottom: 12px; }
        .legal-content ul { padding-left: 20px; margin-bottom: 20px; }
        .legal-content a { color: var(--primary-color); text-decoration: none; font-weight: 600; }
        .legal-content a:hover { text-decoration: underline; }
        .meta-box { background: #f8fafc; padding: 20px; border-radius: 12px; margin-bottom: 30px; border-left: 4px solid var(--primary-color); }

        @media (max-width: 768px) {
            .legal-card { padding: 25px; }
            .legal-content h1 { font-size: 2rem; }
        }