:root {
            --bg-primary: #0f1115;
            --bg-secondary: #1a1d23;
            --bg-tertiary: #232730;
            --bg-card: #2a2f3a;
            --bg-hover: #323845;
            --text-primary: #f0f2f5;
            --text-secondary: #a0a8b8;
            --text-muted: #6b7280;
            --accent: #6366f1;
            --accent-light: #818cf8;
            --accent-dark: #4f46e5;
            --border: #2e3440;
            --border-hover: #4b5563;
            --gradient-1: #6366f1;
            --gradient-2: #8b5cf6;
            --gradient-3: #ec4899;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
  text-decoration: none;
}

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-primary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--bg-tertiary);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--border-hover);
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(15, 17, 21, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
        }

        .nav-links {
            display: flex;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 8rem 2rem 4rem;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(236, 72, 153, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            text-align: center;
            max-width: 900px;
            z-index: 1;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--accent-light);
            margin-bottom: 2rem;
            animation: fadeInUp 0.8s ease;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            letter-spacing: -2px;
            animation: fadeInUp 0.8s ease 0.1s both;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            animation: fadeInUp 0.8s ease 0.2s both;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease 0.3s both;
        }

        .btn {
            padding: 1rem 2rem;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
            color: white;
            box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
        }

        .btn-secondary {
            background: var(--bg-card);
            color: var(--text-primary);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            background: var(--bg-hover);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        /* Floating elements */
        .floating-shapes {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            pointer-events: none;
        }

        .shape {
            position: absolute;
            border-radius: 50%;
            opacity: 0.1;
            animation: float 20s infinite ease-in-out;
        }

        .shape-1 {
            width: 300px;
            height: 300px;
            background: var(--gradient-1);
            top: 10%;
            left: -5%;
            animation-delay: 0s;
        }

        .shape-2 {
            width: 200px;
            height: 200px;
            background: var(--gradient-2);
            top: 60%;
            right: -3%;
            animation-delay: -5s;
        }

        .shape-3 {
            width: 150px;
            height: 150px;
            background: var(--gradient-3);
            bottom: 10%;
            left: 20%;
            animation-delay: -10s;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            33% { transform: translate(30px, -30px) rotate(120deg); }
            66% { transform: translate(-20px, 20px) rotate(240deg); }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Sections General */
        section {
            padding: 6rem 2rem;
            position: relative;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-header h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: -1px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Features Section */
        .features {
            background: var(--bg-secondary);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 2.5rem;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-hover);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            font-weight: 600;
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* About Section */
        .about {
            background: var(--bg-primary);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-visual {
            position: relative;
        }

        .about-visual-inner {
            background: linear-gradient(135deg, var(--bg-card), var(--bg-tertiary));
            border-radius: 24px;
            padding: 3rem;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .about-visual-inner::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
            animation: pulse 4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.1); opacity: 0.8; }
        }

        .stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin-top: 0.25rem;
        }

        .about-text h2 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .about-list {
            list-style: none;
            margin-top: 2rem;
        }

        .about-list li {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        .about-list li::before {
            content: '✓';
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.8rem;
            font-weight: bold;
            flex-shrink: 0;
        }

        /* How It Works */
        .how-it-works {
            background: var(--bg-secondary);
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            position: relative;
        }

        .step {
            text-align: center;
            padding: 2rem;
            position: relative;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            color: white;
            margin: 0 auto 1.5rem;
            position: relative;
            z-index: 1;
        }

        .step h3 {
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
        }

        .step p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* abonelik kısmı */
        .subscribe {
            background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
            position: relative;
            overflow: hidden;
        }

        .subscribe::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(ellipse at 30% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
        }

        .subscribe-content {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .subscribe h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: 1rem;
        }

        .subscribe p {
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            font-size: 1.1rem;
        }

        .subscribe-form {
            display: flex;
            gap: 1rem;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 250px;
            padding: 1rem 1.5rem;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            color: var(--text-primary);
            font-size: 1rem;
            font-family: inherit;
            transition: all 0.3s ease;
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form button {
            padding: 1rem 2rem;
            margin-left: 190px;
            background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
            color: white;
            border: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        .subscribe-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
        }

        .subscribe-note {
            margin-top: 1.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .subscribe-note span {
            color: var(--accent-light);
        }

        /* Footer */
        footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border);
            padding: 4rem 2rem 2rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand .logo {
            margin-bottom: 1rem;
            display: inline-block;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .footer-links h4 {
            font-size: 1rem;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .social-links {
            display: flex;
            gap: 1rem;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.1rem;
        }

        .social-links a:hover {
            background: var(--bg-hover);
            border-color: var(--accent);
            color: var(--accent-light);
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 968px) {
            .about-content {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .subscribe-form {
                flex-direction: column;
            }
            
            .subscribe-form input,
            .subscribe-form button {
                width: 100%;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* kaydırma animasyonları */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }