{
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-color: #6366f1;
            --secondary-color: #ec4899;
            --dark-color: #0f172a;
            --light-color: #f8fafc;
            --text-color: #475569;
        }

        body {
            font-family: 'Space Grotesk', sans-serif;
            background: var(--dark-color);
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }

        /* Animasyonlu arka plan */
        .animated-bg {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }

        .gradient-sphere {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.5;
            animation: float 10s infinite ease-in-out;
        }

        .sphere-1 {
            width: 400px;
            height: 400px;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            top: -200px;
            right: -200px;
            animation-delay: 0s;
        }

        .sphere-2 {
            width: 300px;
            height: 300px;
            background: linear-gradient(45deg, #10b981, #3b82f6);
            bottom: -150px;
            left: -150px;
            animation-delay: -3s;
        }

        .sphere-3 {
            width: 350px;
            height: 350px;
            background: linear-gradient(45deg, #f59e0b, #ef4444);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation-delay: -6s;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(-20px, -20px) scale(1.1); }
            66% { transform: translate(20px, -20px) scale(0.9); }
        }

        /* Ana konteyner */
        .main-container {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }

        .content-wrapper {
            position: relative;
            z-index: 10;
            max-width: 800px;
            width: 100%;
            text-align: center;
        }

        /* Logo */
        .logo-section {
            margin-bottom: 3rem;
        }

        .logo-container {
            display: inline-block;
            position: relative;
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .logo-img {
            width: 200px;
            height: auto;
            display: block;
        }

        /* Başlık */
        .title-section {
            margin-bottom: 4rem;
        }

        .main-title {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 700;
            color: var(--light-color);
            margin-bottom: 1.5rem;
            line-height: 1.1;
        }

        .gradient-text {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), #10b981);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }

        .subtitle {
            font-size: 1.25rem;
            color: #94a3b8;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Özellikler grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transform: translateX(-100%);
            transition: transform 0.5s ease;
        }

        .feature-card:hover::before {
            transform: translateX(100%);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 1rem;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
        }

        .feature-title {
            color: var(--light-color);
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .feature-desc {
            color: #94a3b8;
            font-size: 0.875rem;
            line-height: 1.5;
        }

        /* İlerleme göstergesi */
        .progress-section {
            margin-bottom: 4rem;
        }

        .progress-wrapper {
            position: relative;
            height: 150px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .orbit-container {
            position: relative;
            width: 150px;
            height: 150px;
        }

        .orbit {
            position: absolute;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: rotate 20s linear infinite;
        }

        .orbit-1 {
            width: 100%;
            height: 100%;
            animation-duration: 15s;
        }

        .orbit-2 {
            width: 80%;
            height: 80%;
            top: 10%;
            left: 10%;
            animation-duration: 10s;
            animation-direction: reverse;
        }

        .orbit-3 {
            width: 60%;
            height: 60%;
            top: 20%;
            left: 20%;
            animation-duration: 8s;
        }

        .planet {
            position: absolute;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
        }

        .planet-1 {
            background: linear-gradient(45deg, #6366f1, #8b5cf6);
        }

        .planet-2 {
            background: linear-gradient(45deg, #10b981, #3b82f6);
            width: 15px;
            height: 15px;
            top: -7.5px;
        }

        .planet-3 {
            background: linear-gradient(45deg, #f59e0b, #ef4444);
            width: 12px;
            height: 12px;
            top: -6px;
        }

        .center-sphere {
            position: absolute;
            width: 50px;
            height: 50px;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .progress-text {
            position: absolute;
            bottom: -30px;
            left: 50%;
            transform: translateX(-50%);
            color: #94a3b8;
            font-size: 0.875rem;
        }

        /* E-posta formu */
        .email-section {
            max-width: 500px;
            margin: 0 auto 3rem;
        }

        .email-form {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 0.5rem;
            display: flex;
            gap: 0.5rem;
        }

        .email-input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 1rem 1.5rem;
            color: var(--light-color);
            font-size: 1rem;
            outline: none;
        }

        .email-input::placeholder {
            color: #64748b;
        }

        .submit-btn {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .submit-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
        }

        /* Footer */
        .footer {
            text-align: center;
            padding: 2rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-text {
            color: #64748b;
            font-size: 0.875rem;
            margin-bottom: 1rem;
        }

        .footer-logo {
            width: 120px;
            height: auto;
            opacity: 0.7;
            transition: opacity 0.3s ease;
        }

        .footer-logo:hover {
            opacity: 1;
        }

        /* Mobil uyumluluk */
        @media (max-width: 768px) {
            .main-title {
                font-size: 2.5rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .email-form {
                flex-direction: column;
            }

            .submit-btn {
                width: 100%;
            }
        }

        /* Parçacık animasyonları */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }
/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2.5rem;
    max-width: 450px;
    width: 90%;
    text-align: center;
    transform: scale(0.8) translateY(50px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    overflow: hidden;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), #10b981);
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 40px;
    animation: checkMarkAnimation 0.5s ease-out forwards;
    animation-delay: 0.3s;
    transform: scale(0);
}

@keyframes checkMarkAnimation {
    0% {
        transform: scale(0) rotate(-45deg);
    }
    50% {
        transform: scale(1.2) rotate(0deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
    }
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--light-color);
    margin-bottom: 1rem;
}

.modal-message {
    font-size: 1.125rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.modal-button {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 1rem 3rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.modal-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

/* Ek animasyon efekti */
.modal-overlay.active .modal-icon {
    animation: iconPulse 2s infinite;
}

@keyframes iconPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(99, 102, 241, 0);
    }
}
        .particle {
            position: absolute;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            animation: particleFloat 10s linear infinite;
        }

        @keyframes particleFloat {
            0% {
                transform: translateY(100vh) translateX(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100px) translateX(100px);
                opacity: 0;
            }
        }