/* --- GENEL AYARLAR --- */
        :root {
            --primary-color: #6c63ff;
            --secondary-color: #2a2a2a;
            --bg-color: #0f172a;
            --text-color: #e2e8f0;
            --card-bg: #1e293b;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* --- NAVBAR (MENÜ) --- */
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 10%; 
            background: rgba(15, 23, 42, 0.9);
            backdrop-filter: blur(15px);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(51, 65, 85, 0.5);
            box-sizing: border-box;
        }

        a{text-decoration:none;}

        /* LOGO ALANI */
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 1.5rem;
            font-weight: bold;
            color: white;
            letter-spacing: 1px;
            cursor: pointer;
        }

        .logo img {
            height: 50px;
            width: auto;
            object-fit: contain;
        }

        .nav-links a {
            color: #94a3b8;
            text-decoration: none;
            margin-left: 20px;
            font-weight: 500;
            transition: color 0.3s;
            font-size: 0.95rem;
        }

        .nav-links a:hover {
            color: var(--primary-color);
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
            padding: 10px 25px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s ease;
            display: inline-block;
            border: 1px solid transparent;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px -10px rgba(108, 99, 255, 0.5);
            background-color: transparent;
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
        }

        /* --- HERO SECTION --- */
        .hero {
            position: relative;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            margin-top: 0;
        }

            .hero::before {
                content: '';
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: linear-gradient(rgba(15, 23, 42, 0.6), rgba(15, 23, 42, 0.9)), url('../img/Arkaplan.jpg');
                background-size: cover;
                background-position: center;
                z-index: -1;
                animation: slowZoom 10s infinite alternate ease-in-out;
            }

        @keyframes slowZoom {
            0% { transform: scale(1); }
            100% { transform: scale(1.15); }
        }

        .hero-content {
            max-width: 900px;
            padding: 20px;
            z-index: 1;
        }

        .hero h1 {
            font-size: 4.5rem;
            margin-bottom: 10px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            background: -webkit-linear-gradient(45deg, #fff, #a5a0ff);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }

        .hero p {
            font-size: 1.4rem;
            color: #cbd5e1;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .version-badge {
            background: rgba(255,255,255,0.1);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #a5a0ff;
            border: 1px solid #a5a0ff;
            margin-bottom: 20px;
            display: inline-block;
        }

        /* --- FEATURES --- */
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-top: 100px;
            margin-bottom: 50px;
        }

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            padding: 0 50px 100px 50px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .card {
            background-color: var(--card-bg);
            padding: 40px 30px;
            border-radius: 20px;
            transition: all 0.3s ease;
            border: 1px solid #334155;
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px -15px rgba(108, 99, 255, 0.3);
            border-color: var(--primary-color);
        }

        .card h3 {
            margin-top: 0;
            color: white;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .card-icon { font-size: 2rem; }

        footer {
            text-align: center;
            padding: 40px;
            color: #64748b;
            font-size: 0.9rem;
            border-top: 1px solid #334155;
            background-color: rgba(15, 23, 42, 0.95);
        }
        
        footer a {
            text-decoration: none;
            font-weight: bold;
        }

        .content-wrapper {
            width: 80% !important;
            max-width: 1300px !important;
            margin: 0 auto !important;
            padding-top: 120px !important;
            min-height: 85vh; 
            display: block !important;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                width: 90% !important; 
            }

            nav {
                padding: 15px 5%;
            }
        }

        @media (max-width: 768px) {
            .content-wrapper {
                width: 95% !important; 
                padding-top: 100px !important;
            }
        }