:root {
            --primary-color: #121212;
            --secondary-color: #00c8ff;
            --accent-color: #8a2be2;
            --danger-color: #ff3e5b;
            --dark-bg: #0a0a0a;
            --darker-bg: #070707;
            --card-bg: #1a1a1a;
            --card-hover: #252525;
            --text-light: #ffffff;
            --text-gray: #a0a0a0;
            --text-dark: #222222;
            --success-color: #00e676;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        html {
        scroll-behavior: smooth;
        }

        body {
            color: var(--text-light);
            background-color: var(--dark-bg);
            line-height: 1.6;
            overflow-x: hidden;
        }

        body.mobile-menu-active {
            overflow: hidden;
        }

        /* --- Splash Screen Styles --- */
        .splash-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background-color: var(--darker-bg);
            z-index: 9999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            opacity: 1;
            visibility: visible;
            overflow: hidden; /* Prevent content overflow during animations */
        }

        .splash-screen.hidden {
            animation: splashFadeOut 0.8s ease-out forwards;
            pointer-events: none;
        }

        .splash-content {
            text-align: center;
            color: var(--text-light);
            position: relative;
        }

        .splash-content .logo {
            font-size: 42px;
            margin-bottom: 30px;
            text-decoration:none;
            display:inline-flex;
            flex-direction: row;
            align-items: center;
            opacity: 0;
            transform: translateY(20px);
            animation: splashLogoAppear 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.5s forwards;
        }
        .splash-content .logo .logo-icon {
            font-size: 48px;
            margin-right: 15px;
            display: inline-block;
            transform: scale(0);
            animation: splashIconPop 0.8s cubic-bezier(0.68, -0.55, 0.27, 1.55) 0.8s forwards;
        }
        .splash-content .logo div:not(.logo-icon) {
            background: linear-gradient(90deg, #ffffff, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 20px rgba(0, 200, 255, 0.5);
            display: inline-block;
            transform: translateX(-20px);
            opacity: 0;
            animation: splashTextSlideIn 0.8s ease-out 1.2s forwards;
        }
        .splash-content .logo span {
            color: var(--secondary-color);
            -webkit-text-fill-color: var(--secondary-color);
        }


        .splash-content .splash-tagline {
            font-size: 24px;
            color: var(--text-gray);
            letter-spacing: 1px;
            font-weight: 500;
            opacity: 0;
            transform: translateY(20px);
            animation: splashTaglineFadeUp 0.9s ease-out 1.8s forwards;
        }

        /* Splash Screen Animations */
        @keyframes splashLogoAppear {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes splashIconPop {
            0% { transform: scale(0); }
            70% { transform: scale(1.2); }
            100% { transform: scale(1); }
        }
        @keyframes splashTextSlideIn {
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        @keyframes splashTaglineFadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes splashFadeOut {
            from { opacity: 1; visibility: visible; }
            to { opacity: 0; visibility: hidden; }
        }

        body.splash-active {
            overflow: hidden;
        }
        /* --- END Splash Screen Styles --- */


        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }

        /* Particle Background */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background-color: rgba(0, 200, 255, 0.5);
            border-radius: 50%;
            animation: float 20s linear infinite;
        }

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

        /* Header Styles */
        header {
            background-color: rgba(10, 10, 10, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            color: var(--text-light);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 200, 255, 0.1);
            border-bottom: 1px solid rgba(0, 200, 255, 0.1);
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 26px;
            font-weight: 700;
            background: linear-gradient(90deg, #ffffff, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 20px rgba(0, 200, 255, 0.5);
            flex-shrink: 0;
            text-decoration: none;
        }

        .logo span {
            color: var(--secondary-color);
            -webkit-text-fill-color: var(--secondary-color);
        }

        .logo-icon {
            margin-right: 10px;
            font-size: 30px;
            animation: pulse 2s infinite ease-in-out;
        }

        @keyframes pulse {
            0% {
                text-shadow: 0 0 10px rgba(0, 200, 255, 0.5), 0 0 20px rgba(0, 200, 255, 0.3);
            }
            50% {
                text-shadow: 0 0 20px rgba(0, 200, 255, 0.8), 0 0 30px rgba(0, 200, 255, 0.5);
            }
            100% {
                text-shadow: 0 0 10px rgba(0, 200, 255, 0.5), 0 0 20px rgba(0, 200, 255, 0.3);
            }
        }

        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            margin-left: 30px;
            position: relative; /* Dropdown için gerekli */
        }

        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            padding: 8px 0;
            position: relative; /* Alt çizgi için */
            font-size: 15px;
            letter-spacing: 0.3px;
            white-space: nowrap;
            display: flex; /* Ok hizalaması için */
            align-items: center; /* Ok hizalaması için */
        }

        /* Normal link alt çizgisi */
        .nav-links li:not(.dropdown) a:before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            transition: width 0.3s ease;
        }

        .nav-links li:not(.dropdown) a:hover:before {
            width: 100%;
        }

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

        /* Dropdown ana linkinin alt çizgisini engelle */
        .nav-links li.dropdown > a:before {
            display: none;
        }
         /* Dropdown menüsü aktif linkleri için */
        .nav-links li.dropdown.active > a {
            color: var(--secondary-color); /* Aktif rengi uygula */
        }
         .nav-links li.dropdown.active > a .arrow-down {
            color: var(--secondary-color); /* Ok rengini de değiştir */
        }


        /* --- DROPDOWN STYLES --- */
        .dropdown-menu {
            display: none;
            position: absolute;
            top: calc(100% + 5px); /* Ebeveynden 5px aşağıda başla */
            left: 0;
            background-color: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            list-style: none;
            padding: 10px 0;
            margin: 0;
            min-width: 220px;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
            z-index: 1001;
            border: 1px solid rgba(0, 200, 255, 0.15);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0.3s;
        }

        .nav-links li.dropdown:hover > .dropdown-menu,
        .nav-links li.dropdown:focus-within > .dropdown-menu /* klavye nav. */
         {
            display: block;
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0s;
        }

        .dropdown-menu li {
            margin: 0;
            padding: 0; /* padding a elemanına verilecek */
            position: static;
        }

        .dropdown-menu li a {
            color: var(--text-light);
            padding: 10px 20px;
            display: block;
            font-size: 14px;
            transition: background-color 0.3s ease, color 0.3s ease;
            position: static; /* Nav link'in a:before'unu geçersiz kıl */
            align-items: normal; /* Normal hizalama */
        }
        .dropdown-menu li a.current-page {
             color: var(--secondary-color);
             font-weight: bold;
             cursor: default;
             pointer-events: none; /* Tıklanmasını engelle */
        }


        /* Dropdown linklerinin alt çizgisini kaldır */
        .dropdown-menu li a:before {
            display: none;
        }

        .dropdown-menu li a:hover:not(.current-page),
        .dropdown-menu li a:focus:not(.current-page) /* klavye nav. */
         {
            background-color: rgba(0, 200, 255, 0.1);
            color: var(--secondary-color);
        }

        /* Dropdown Oku */
        .dropdown-toggle .arrow-down {
            font-size: 0.7em;
            margin-left: 6px;
            vertical-align: middle;
            display: inline-block;
            transition: transform 0.3s ease;
            line-height: 1; /* Okun satır yüksekliğini bozmasını engelle */
        }
        .nav-links li.dropdown:hover > a .arrow-down,
        .nav-links li.dropdown:focus-within > a .arrow-down
        {
            transform: rotate(180deg);
        }
         /* --- END DROPDOWN STYLES --- */


        .nav-cta-group {
            display: flex;
            align-items: center;
            margin-left: 30px;
            gap: 10px;
        }
        .nav-links .nav-cta-group.mobile-cta {
            display: none;
            margin-left: 0;
            flex-direction: column;
            gap: 15px;
            width: 80%;
            max-width: 250px;
        }
        .nav-links .nav-cta-group.mobile-cta a {
            width: 100%;
            text-align: center;
        }


        .glowing-btn {
            position: relative;
            display: inline-block;
            padding: 10px 25px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            border-radius: 30px;
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            letter-spacing: 0.8px;
            overflow: hidden;
            box-shadow: 0 0 15px rgba(0, 200, 255, 0.4);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            z-index: 1;
            font-size: 14px;
            white-space: nowrap;
        }

        .glowing-btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: all 0.5s ease;
            z-index: -1;
        }

        .glowing-btn:hover:before {
            left: 100%;
        }

        .glowing-btn:hover {
            box-shadow: 0 0 25px rgba(0, 200, 255, 0.7);
            transform: translateY(-2px);
        }

        .outline-btn {
            position: relative;
            display: inline-block;
            padding: 9px 24px;
            background: transparent;
            border: 1px solid var(--secondary-color);
            border-radius: 30px;
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            letter-spacing: 0.8px;
            transition: all 0.3s ease;
            cursor: pointer;
            font-size: 14px;
            white-space: nowrap;
        }

        .outline-btn:hover {
            background: rgba(0, 200, 255, 0.1);
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            height: 21px;
            width: 30px;
            cursor: pointer;
            z-index: 1001;
        }

        .menu-toggle span {
            display: block;
            height: 3px;
            width: 100%;
            background-color: var(--text-light);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        /* Hero Section */
        .hero {
            padding: 200px 0 150px;
            position: relative;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--darker-bg) 100%);
            color: var(--text-light);
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at center, rgba(0, 200, 255, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-text {
            position: relative;
            z-index: 2;
        }

        .hero-subtitle {
            color: var(--secondary-color);
            font-size: 18px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 20px;
            display: block;
        }

        .hero-title {
            font-size: 60px;
            line-height: 1.1;
            margin-bottom: 30px;
            font-weight: 800;
            background: linear-gradient(to right, #ffffff, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }

        .hero-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
        }

        .hero-description {
            font-size: 20px;
            color: var(--text-gray);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .hero-image {
            position: relative;
            z-index: 2;
        }

        .hero-image-container {
            position: relative;
            width: 100%;
            height: 450px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
        }

        .hero-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 10s ease;
        }

        .hero-image-container:hover img {
            transform: scale(1.05);
        }

        .hero-image-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, rgba(10, 10, 10, 0.1), rgba(10, 10, 10, 0.7));
            z-index: 1;
            pointer-events: none;
        }

        .hero-badges {
            display: flex;
            margin-top: 40px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
            padding: 10px 20px;
            border-radius: 50px;
        }

        .hero-badge-icon {
            color: var(--secondary-color);
            font-size: 24px;
            margin-right: 10px;
        }

        .hero-badge-text {
            font-size: 16px;
            font-weight: 500;
        }

        /* Features Section */
        .features {
            padding: 150px 0;
            background: linear-gradient(to bottom, var(--dark-bg), var(--darker-bg));
            position: relative;
            overflow: hidden;
        }

        .features::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at center, rgba(138, 43, 226, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .section-header {
            text-align: center;
            margin-bottom: 80px;
            position: relative;
        }

        .section-title {
            font-size: 42px;
            margin-bottom: 20px;
            background: linear-gradient(to right, #ffffff, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .section-subtitle {
            max-width: 700px;
            margin: 0 auto;
            color: var(--text-gray);
            font-size: 18px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .feature-card {
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
            border-radius: 16px;
            padding: 40px 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .feature-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(0, 200, 255, 0.3);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 200, 255, 0.1) 0%, transparent 100%);
            z-index: -1;
        }

        .feature-card:hover::before {
            background: linear-gradient(135deg, rgba(0, 200, 255, 0.2) 0%, transparent 100%);
        }

        .feature-icon {
            font-size: 42px;
            color: var(--secondary-color);
            margin-bottom: 25px;
            display: inline-block;
            text-shadow: 0 0 20px rgba(0, 200, 255, 0.5);
        }

        .feature-title {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--text-light);
            position: relative;
            display: inline-block;
        }

        .feature-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
        }

        .feature-description {
            color: var(--text-gray);
            line-height: 1.7;
            font-size: 16px;
        }

        /* How It Works Section */
        .how-it-works {
            padding: 150px 0;
            background-color: var(--darker-bg);
            position: relative;
            overflow: hidden;
        }

        .how-it-works::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at center, rgba(0, 200, 255, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .process-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 50px;
            margin-top: 80px;
            position: relative;
        }

        .process-step {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 20px;
        }

        .step-number {
            position: relative;
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: bold;
            margin: 0 auto 25px auto;
            box-shadow: 0 10px 20px rgba(0, 200, 255, 0.3);
        }

        .process-container::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--secondary-color), var(--accent-color), var(--secondary-color), transparent);
            z-index: 0;
            opacity: 0.3;
        }

        .step-title {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--text-light);
        }

        .step-description {
            color: var(--text-gray);
            line-height: 1.7;
            font-size: 15px;
        }


        /* Extension Showcase Section */
        .extension-showcase {
            padding: 150px 0;
            background: linear-gradient(to bottom, var(--darker-bg), var(--primary-color));
            position: relative;
            overflow: hidden;
        }

        .extension-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            align-items: center;
        }

        .extension-image-placeholder {
            background: rgba(26, 26, 26, 0.7);
            border: 1px dashed rgba(0, 200, 255, 0.3);
            border-radius: 16px;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-gray);
            font-style: italic;
            text-align: center;
            padding: 20px;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .extension-image-placeholder img {
            display: block;
            max-width: 100%;
            max-height: 100%;
            height: auto;
            width: auto;
            object-fit: contain;
            border-radius: 12px;
        }

        .extension-image-placeholder:hover {
            border-color: var(--secondary-color);
            color: var(--text-light);
        }

        .extension-image-placeholder span {
            display: block;
            font-size: 18px;
        }

        /* Product Showcase Section */
        .product-showcase {
            padding: 150px 0;
            background: linear-gradient(to bottom, var(--primary-color), var(--dark-bg));
            position: relative;
            overflow: hidden;
        }

        .product-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .product-content {
            position: relative;
        }

        .product-title {
            font-size: 42px;
            margin-bottom: 30px;
            background: linear-gradient(to right, #ffffff, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .product-description {
            color: var(--text-gray);
            margin-bottom: 40px;
            font-size: 18px;
            line-height: 1.7;
        }

        .product-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 40px;
        }

        .product-feature {
            display: flex;
            align-items: flex-start;
        }

        .product-feature-icon {
            color: var(--secondary-color);
            font-size: 24px;
            margin-right: 15px;
            margin-top: 2px;
        }

        .product-feature-content {
            flex: 1;
        }

        .product-feature-title {
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 5px;
            font-weight: 600;
        }

        .product-feature-description {
            color: var(--text-gray);
            font-size: 15px;
            line-height: 1.5;
        }

        .product-image {
            position: relative;
        }

        .product-img-container {
            position: relative;
            width: 100%;
            height: 500px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
        }

        .product-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Technology Section */
        .technology {
            padding: 150px 0;
            background: linear-gradient(to bottom, var(--primary-color), var(--dark-bg));
            position: relative;
            overflow: hidden;
        }

        .technology-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .technology-content {
            position: relative;
        }

        .tech-title {
            font-size: 42px;
            margin-bottom: 30px;
            background: linear-gradient(to right, #ffffff, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .tech-description {
            color: var(--text-gray);
            margin-bottom: 40px;
            font-size: 18px;
            line-height: 1.7;
        }

        .tech-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .tech-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }

        .tech-icon {
            color: var(--secondary-color);
            font-size: 24px;
            margin-right: 15px;
        }

        .tech-text {
            font-size: 16px;
            color: var(--text-light);
            font-weight: 500;
        }

        .technology-image {
            position: relative;
        }

        .tech-img-container {
            position: relative;
            width: 100%;
            height: 500px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
        }

        .tech-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .tech-img-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, rgba(10, 10, 10, 0.1), rgba(10, 10, 10, 0.6));
            z-index: 1;
        }

        /* Advanced Security Section */
        .advanced-security {
            padding: 150px 0;
            background-color: var(--dark-bg);
            position: relative;
            overflow: hidden;
        }

        .advanced-security::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at center, rgba(138, 43, 226, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .security-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-top: 80px;
        }

        .security-card {
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
            border-radius: 16px;
            padding: 40px;
            transition: all 0.3s ease;
            position: relative;
            text-align: center;
        }

        .security-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(0, 200, 255, 0.3);
        }

        .security-icon {
            font-size: 64px;
            margin-bottom: 20px;
            color: var(--secondary-color);
            display: block;
        }

        .security-title {
            color: var(--secondary-color);
            margin-bottom: 15px;
            font-size: 22px;
        }

        .security-description {
            color: var(--text-gray);
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        /* Pricing Section */
        .pricing {
            padding: 150px 0;
            background: linear-gradient(to bottom, var(--darker-bg), var(--primary-color));
            position: relative;
            overflow: hidden;
        }

        .pricing-toggle {
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 40px auto 60px;
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
            border-radius: 50px;
            padding: 5px;
            width: fit-content;
        }

        .pricing-toggle-btn {
            padding: 10px 25px;
            border-radius: 50px;
            border: none;
            background: transparent;
            color: var(--text-gray);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .pricing-toggle-btn.active {
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            color: var(--text-light);
            box-shadow: 0 5px 15px rgba(0, 200, 255, 0.3);
        }

        .pricing-plans {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Adjusted minmax for 4 columns */
            gap: 30px; /* Slightly reduced gap */
            margin-top: 40px;
            align-items: stretch; /* Ensure cards have same height if content differs */
        }

        .pricing-plan {
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
            border-radius: 16px;
            padding: 40px 30px; /* Adjusted padding */
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .pricing-plan .plan-features {
            margin-bottom: 30px;
            flex-grow: 1;
        }
        .pricing-plan .plan-button {
            margin-top: auto;
        }


        .pricing-plan.featured {
            border: 1px solid rgba(0, 200, 255, 0.3);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        .pricing-plan.featured::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
        }

        .pricing-plan:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(0, 200, 255, 0.3);
        }

        .plan-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            color: var(--text-light);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .plan-name {
            font-size: 24px;
            color: var(--text-light);
            margin-bottom: 15px;
        }

        .plan-description {
            color: var(--text-gray);
            font-size: 15px; /* Slightly smaller for consistency */
            margin-bottom: 30px;
            min-height: 60px; /* Adjusted for potentially longer descriptions */
        }

        .plan-price {
            display: flex;
            align-items: baseline;
            margin-bottom: 30px;
            flex-wrap: wrap; /* Allow wrapping for original price */
        }

        .price-value {
            font-size: 42px; /* Slightly smaller for 4 columns */
            font-weight: 700;
            color: var(--text-light);
            background: linear-gradient(to right, #ffffff, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-right: 8px; /* Add some space before duration */
        }

        .price-duration {
            font-size: 15px; /* Slightly smaller */
            color: var(--text-gray);
            /* margin-left: 8px;  Removed, space handled by price-value margin-right */
        }

        .price-original {
            text-decoration: line-through;
            color: var(--text-gray);
            font-size: 16px; /* Slightly smaller */
            margin-left: 10px;
            display: none; /* Initially hidden, shown by JS for yearly */
            flex-basis: 100%; /* Ensure it wraps to a new line if needed */
            text-align: left; /* Align left when wrapped */
            margin-top: 5px; /* Add space when wrapped */
        }

        .plan-features {
            list-style: none;
            padding: 0;
            margin-bottom: 30px; /* Bu margin-bottom burada kalsın, üst elemanın değil */
        }


        .plan-features li {
            padding: 8px 0; /* Adjusted padding */
            display: flex;
            align-items: center;
            color: var(--text-gray);
            font-size: 14px; /* Slightly smaller */
        }

        .plan-features li::before {
            content: '✓';
            color: var(--secondary-color);
            margin-right: 10px;
            font-weight: bold;
        }

        .plan-button {
            width: 100%;
            padding: 12px 0;
            border-radius: 10px;
            font-weight: 600;
            text-align: center;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            font-size: 15px; /* Slightly smaller */
        }

        .plan-button.primary {
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            color: var(--text-light);
            border: none;
        }

        .plan-button.primary:hover {
            box-shadow: 0 10px 20px rgba(0, 200, 255, 0.3);
            transform: translateY(-3px);
        }

        .plan-button.secondary {
            background: transparent;
            color: var(--secondary-color);
            border: 1px solid var(--secondary-color);
        }

        .plan-button.secondary:hover {
            background: rgba(0, 200, 255, 0.1);
            transform: translateY(-3px);
        }

        /* Sponsors Section */
        .sponsors {
            padding: 100px 0;
            background-color: var(--darker-bg);
            position: relative;
            overflow: hidden;
        }

        .sponsors::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 200, 255, 0.1), transparent);
        }

        .sponsors-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .sponsor-item {
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(26, 26, 26, 0.5);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s ease;
            height: 150px;
        }

        .sponsor-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(0, 200, 255, 0.2);
        }

        .sponsor-logo {
            max-width: 100%;
            max-height: 70px;
            filter: grayscale(100%) brightness(0.8);
            transition: all 0.3s ease;
            opacity: 0.7;
        }

        .sponsor-item:hover .sponsor-logo {
            filter: grayscale(0%) brightness(1);
            opacity: 1;
        }

        /* Footer */
        footer {
            background-color: var(--darker-bg);
            color: var(--text-gray);
            padding: 100px 0 40px;
            position: relative;
            overflow: hidden;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 200, 255, 0.2), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 80px;
        }

        .footer-about .logo {
            margin-bottom: 25px;
            font-size: 24px;
            color: var(--text-light);
            background: linear-gradient(90deg, #ffffff, var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-about .logo-icon {
            font-size: 28px;
        }


        .footer-about p {
            color: var(--text-gray);
            max-width: 400px;
            margin-bottom: 30px;
            line-height: 1.7;
            font-size: 14px;
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(26, 26, 26, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 200, 255, 0.1);
            transition: all 0.3s ease;
            color: var(--text-light);
            text-decoration: none;
            font-size: 18px;
        }
         .social-link svg { /* Footer'daki SVG ikonları için renk */
             fill: currentColor;
        }

        .social-link:hover {
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
            transform: translateY(-3px);
        }

        .footer-title {
            color: var(--text-light);
            font-size: 18px;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 15px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
        }

        .footer-links {
            list-style: none;
            padding-left: 0;
        }

        .footer-links li {
            margin-bottom: 15px;
        }

        .footer-links a {
            color: var(--text-gray);
            text-decoration: none;
            transition: all 0.3s;
            position: relative;
            padding-left: 15px;
            font-size: 14px;
            display: block; /* Footer linkleri için uygun */
            align-items: normal;
        }

        .footer-links a::before {
            content: '›';
            position: absolute;
            left: 0;
            color: var(--secondary-color);
            transition: transform 0.3s;
        }

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

        .footer-links a:hover::before {
            transform: translateX(5px);
        }

        .copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .copyright p {
            color: var(--text-gray);
            font-size: 14px;
        }

        .copyright a {
            color: var(--secondary-color);
            text-decoration: none;
        }

        /* Responsive Design */

        @media (min-width: 992px) {
            .process-container::before {
                left: 15%;
                right: 15%;
            }
            /* Mobil menü açıkken desktop dropdown stillerini geçersiz kıl */
             .nav-links.active .dropdown-menu {
                /* Mobil için olan stiller zaten @media (max-width: 768px) altında */
             }
        }


        @media (max-width: 1300px) { /* Added for 4 pricing columns */
            .pricing-plans {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
        }

        @media (max-width: 1200px) {
            .features-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
            .hero-grid {
                gap: 40px;
            }
            .technology-grid {
                gap: 60px;
            }
            .product-grid {
                gap: 40px;
            }
            /* .pricing-plans moved to 1300px */
        }

        @media (max-width: 992px) {
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-title::after {
                left: 50%;
                transform: translateX(-50%);
            }
            .hero-description {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-badges {
                justify-content: center;
            }
            .hero-image {
                margin-top: 60px;
                order: -1; /* Resmi üste alır mobilde */
            }

            .technology-grid {
                grid-template-columns: 1fr;
                gap: 50px;
                text-align: center;
            }
            .tech-title { font-size: 36px; }
            .tech-list {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
                text-align: left;
            }
             .tech-img-container { height: 400px; order: -1; } /* Resmi üste alır mobilde */

             .security-container {
                 grid-template-columns: 1fr; /* Mobilde güvenlik kartları alt alta */
             }

            .process-container::before {
                display: none; /* Proses adımları arasındaki çizgiyi kaldır */
            }
            .footer-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                text-align: center;
            }
            .footer-about { text-align: center; }
            .footer-about .logo { justify-content: center; }
            .footer-about p { margin-left: auto; margin-right: auto; }

            .footer-title::after {
                left: 50%;
                transform: translateX(-50%);
            }
            .social-links {
                justify-content: center;
            }
            .footer-links { text-align: center; padding-left: 0; }
            .footer-links a::before{ display: none; }
            .footer-links a { padding-left: 0; justify-content: center; }

            .product-grid {
                 grid-template-columns: 1fr;
                 text-align: center;
             }
            .product-features {
                 grid-template-columns: 1fr;
                 max-width: 400px;
                 margin: 0 auto 40px;
                 text-align: left;
             }
             .product-image { order: -1; } /* Resmi üste alır mobilde */

             .hero-text > div:nth-child(4) { /* Hero CTA Butonları */
                 justify-content: center;
             }

             .pricing-plans { /* Now 2 columns for tablet */
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
             }
             .pricing-plan { padding: 30px 25px; }

        }

        @media (max-width: 768px) {
            .navbar {
                padding: 15px 0;
                justify-content: space-between;
            }

            /* Mobile Menu General Setup */
            .nav-links {
                position: fixed;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start; /* Align items to top */
                background: rgba(10, 10, 10, 0.98);
                backdrop-filter: blur(15px);
                -webkit-backdrop-filter: blur(15px);
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                padding: 100px 20px 40px 20px; /* Adjust padding */
                clip-path: circle(0% at calc(100% - 45px) 45px);
                z-index: 1000;
                display: flex;
                visibility: hidden;
                opacity: 0;
                transition: clip-path 0.6s cubic-bezier(0.77, 0, 0.175, 1), visibility 0s 0.6s, opacity 0.4s ease;
                overflow-y: auto; /* Enable scrolling if content overflows */
            }

            .nav-links.active {
                clip-path: circle(150% at calc(100% - 45px) 45px);
                visibility: visible;
                opacity: 1;
                transition: clip-path 0.6s cubic-bezier(0.77, 0, 0.175, 1), visibility 0s 0s, opacity 0.4s ease 0.1s;
            }

            /* Mobile Menu Items */
            .nav-links li {
                margin: 10px 0; /* Adjusted margin */
                margin-left: 0; /* Reset left margin */
                width: 100%; /* Ensure items take full width */
                text-align: center; /* Center text */
                opacity: 0;
                transform: translateY(20px);
                transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s;
                visibility: hidden;
                position: static; /* Reset position for mobile */
            }

             .nav-links.active li { opacity: 1; transform: translateY(0); visibility: visible; }
            /* Stagger animation delays */
            .nav-links.active li:nth-child(1) { transition-delay: 0.2s, 0.2s, 0.2s; }
            .nav-links.active li:nth-child(2) { transition-delay: 0.25s, 0.25s, 0.25s; }
            .nav-links.active li:nth-child(3) { transition-delay: 0.3s, 0.3s, 0.3s; }
            /* Dropdown container LI (Hakkımızda) */
            .nav-links.active li:nth-child(4) { transition-delay: 0.35s, 0.35s, 0.35s; }
            /* Dropdown container LI (Araçlar) */
            .nav-links.active li:nth-child(5) { transition-delay: 0.4s, 0.4s, 0.4s; }
            /* Mobil CTA Grubu */
            .nav-links.active li.nav-cta-group.mobile-cta { transition-delay: 0.45s, 0.45s, 0.45s; }


            /* Mobil Menüde Dropdown Görünümü */
             .nav-links.active .dropdown-menu {
                 display: block;
                 position: static;
                 background: transparent;
                 backdrop-filter: none;
                 box-shadow: none;
                 border: none;
                 border-radius: 0;
                 padding: 0;
                 margin-top: 5px; /* Ana linkten sonra boşluk */
                 opacity: 1;
                 visibility: visible;
                 transform: none;
                 width: 100%;
                 min-width: unset;
             }
             .nav-links.active .dropdown-menu li {
                 margin: 5px 0; /* Alt alta boşluk */
                 opacity: 1;
                 transform: none;
                 visibility: visible;
                 transition-delay: 0s; /* Gecikmesiz */
                 padding-left: 15px; /* Hafif iç boşluk */
             }
            .nav-links.active .dropdown-menu li a {
                font-size: 18px; /* Ana linkten küçük */
                 font-weight: 400;
                 color: var(--text-gray); /* Soluk renk */
                 padding: 8px 0; /* Dikey padding */
                 justify-content: center; /* Metni ortala */
             }
            .nav-links.active .dropdown-menu li a:hover {
                 color: var(--secondary-color);
                 background: none;
            }
            .nav-links.active li.dropdown > a .arrow-down { display: none; }

            .nav-links a { font-size: 20px; display: flex; justify-content: center; }
            .nav-links.active .nav-cta-group.mobile-cta { display: flex; margin-top: 30px; }


            .menu-toggle { display: flex; position: relative; z-index: 1001; }
            .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
            .menu-toggle.active span:nth-child(2) { opacity: 0; transform: scale(0.1); }
            .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

            .hero { padding: 160px 0 100px; }
            .hero-title { font-size: 40px; }
            .features-grid { grid-template-columns: 1fr; } /* Özellik kartları alt alta */
            .copyright { flex-direction: column; gap: 10px; text-align: center; }
            .section-title { font-size: 32px; }
            .pricing-plans { grid-template-columns: 1fr; /* Tek sütun fiyatlandırma */ }
            .security-container { grid-template-columns: 1fr; } /* Tek sütun güvenlik */
        }

        @media (max-width: 576px) {
            .navbar { padding: 15px 0; }
            .logo { font-size: 22px; }
            .logo-icon { font-size: 26px; }
            .glowing-btn { padding: 8px 20px; font-size: 13px; }
            .outline-btn { padding: 7px 19px; font-size: 13px; }
            .hero { padding: 140px 0 80px; }
            .hero-title { font-size: 32px; }
            .hero-subtitle { font-size: 16px; }
            .hero-description { font-size: 16px; }
            .hero-text > div:nth-child(4) { /* Hero CTA Butonları (mobildeki flex div) */
                 flex-direction: column;
                 align-items: center;
                 gap: 15px;
             }
            .hero-text > div:nth-child(4) a { width: 70%; text-align: center; }

             .hero-image-container { height: 350px; }
             /* Placeholder text adjustments (if image is not used) */
             .hero-image-container > div > div { padding: 20px;} /* İçerik divi padding */
             .hero-image-container > div > div > div:nth-child(1) { font-size: 32px; margin-bottom: 15px; } /* Icon */
             .hero-image-container > div > div > div:nth-child(2) { font-size: 20px; margin-bottom: 15px; } /* Başlık */
             .hero-image-container > div > div > div:nth-child(3) { font-size: 15px; line-height: 1.5; } /* Açıklama */

            .section-title { font-size: 28px; }
            .section-subtitle { font-size: 16px; }
            .feature-card { padding: 30px 20px; }
            .feature-title, .step-title, .security-title { font-size: 20px; }
            .tech-title { font-size: 28px; }
            .tech-img-container { height: 350px; }
            /* AI Core text adjustments */
            .tech-img-container > div > div { height: 85%; }
            .tech-img-container > div > div > div:last-child { overflow-y: auto;}
            .tech-img-container > div > div > div { font-size: 11px; line-height: 1.6; }

            .extension-image-placeholder { min-height: 250px; }
            .extension-image-placeholder span { font-size: 16px; }
            .footer-grid { gap: 40px; }
            .footer-about { margin-bottom: 0; }
            .copyright p, .copyright a { font-size: 13px; }
            .pricing-toggle { flex-direction: column; gap: 10px; padding: 10px; }
            .pricing-toggle-btn { width: 100%; }
            .product-title { font-size: 28px; }
            .product-features {
                grid-template-columns: 1fr; /* Tek sütun */
                 align-items: center; /* İçeriği ortala */
                 text-align: center; /* Metni ortala */
             }
             .product-feature {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .product-feature-icon { margin-right: 0; margin-bottom: 10px; }
            .sponsors-grid { grid-template-columns: 1fr 1fr; } /* Sponsorlar 2 sütun */
            .price-value { font-size: 36px; } /* Fiyatlandırma kartı fiyatı küçült */
            .plan-description { min-height: 50px; }
            .price-original { font-size: 14px; } /* Küçültülmüş font boyutu */
        }

        /* Animation & Effects */
        .slide-up, .fade-in {
            opacity: 0;
            visibility: hidden;
        }
        .slide-up.animated {
            animation: slideUp 0.8s ease forwards;
            visibility: visible;
        }
        .fade-in.animated {
            animation: fadeIn 1s ease forwards;
            visibility: visible;
        }

        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
        @keyframes slideUp { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: translateY(0); } }

        /* Hover Effect on Cards */
        .hover-glow { transition: all 0.3s ease; }
        .hover-glow:hover { box-shadow: 0 0 30px rgba(0, 200, 255, 0.3); }

        /* Glowing Effect */
        @keyframes glow { 0% { box-shadow: 0 0 10px rgba(0, 200, 255, 0.3); } 50% { box-shadow: 0 0 20px rgba(0, 200, 255, 0.6); } 100% { box-shadow: 0 0 10px rgba(0, 200, 255, 0.3); } }
        .glow-effect { animation: glow 2s infinite ease-in-out; }

        /* Gradient Text Effect */
        .gradient-text { background: linear-gradient(90deg, var(--secondary-color), var(--accent-color)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }