:root {
            --bg-primary: #0b1329;
            --bg-secondary: #1c2541;
            --accent-primary: #8b5cf6;
            --accent-secondary: #00b4d8;
            --accent-tertiary: #ec4899;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --glass-bg: rgba(30, 41, 59, 0.45);
            --glass-border: rgba(255, 255, 255, 0.08);
            --glass-shadow: 0 16px 32px 0 rgba(0, 0, 0, 0.3);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Outfit', sans-serif;
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-main);
            overflow-x: hidden;
            line-height: 1.5;
            transition: opacity 0.15s ease-in-out;
        }
        body.loading-lang {
            opacity: 0;
        }

        /* Akıcı Degradeli Arka Plan Küreleri */
        .blur-orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(140px);
            z-index: -1;
            opacity: 0.45;
            pointer-events: none;
            will-change: filter, opacity;
            backface-visibility: hidden;
            transform: translate3d(0, 0, 0);
        }
        .orb-1 {
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, var(--accent-primary) 0%, transparent 80%);
            top: -100px;
            right: -100px;
        }
        .orb-2 {
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 80%);
            top: 600px;
            left: -150px;
        }
        .orb-3 {
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, var(--accent-tertiary) 0%, transparent 80%);
            bottom: -50px;
            right: -100px;
        }

        /* Yarı Saydam Sticky Header */
        header {
            position: sticky;
            top: 0;
            width: 100%;
            z-index: 1000;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            background: rgba(11, 19, 41, 0.75);
            border-bottom: 1px solid var(--glass-border);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        header.scrolled {
            background: rgba(11, 19, 41, 0.92);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        header.scrolled .header-container {
            padding: 12px 24px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* Hamburger Menü İkonu */
        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 24px;
            height: 18px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 1001;
        }

        .menu-toggle span {
            width: 100%;
            height: 2px;
            background-color: var(--text-main);
            border-radius: 4px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: translateX(-10px);
        }

        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* Mobil Navigasyon Menüsü */
        .mobile-nav {
            position: fixed;
            top: 73px;
            left: 0;
            width: 100%;
            height: calc(100vh - 73px);
            background: rgba(11, 19, 41, 0.96);
            backdrop-filter: blur(25px);
            -webkit-backdrop-filter: blur(25px);
            z-index: 999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding: 40px 24px;
            gap: 20px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border-bottom: 1px solid var(--glass-border);
            overflow-y: auto;
        }

        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav .nav-link {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-muted);
            padding: 12px;
            width: 100%;
            text-align: center;
            border-radius: 12px;
            transition: all 0.2s ease;
            text-decoration: none;
        }

        .mobile-nav .nav-link:hover, .mobile-nav .nav-link.active {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
        }

        .mobile-nav .btn-panel {
            width: 100%;
            text-align: center;
            font-size: 15px;
            padding: 14px;
            margin-top: 10px;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            border: none;
            box-shadow: 0 4px 15px rgba(0, 180, 216, 0.25);
            display: block;
        }

        .logo {
            font-size: 24px;
            font-weight: 900;
            background: linear-gradient(135deg, #00b4d8 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 600;
            font-size: 14.5px;
            transition: all 0.2s ease;
        }

        .nav-link:hover {
            color: var(--text-main);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* Dil Seçici */
        .lang-picker-wrapper {
            position: relative;
        }

        .lang-active-btn {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            padding: 8px 16px;
            border-radius: 50px;
            color: var(--text-main);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all 0.3s ease;
        }

        .lang-active-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .lang-dropdown {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            background: rgba(15, 23, 42, 0.95);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 8px;
            display: none;
            flex-direction: column;
            gap: 4px;
            min-width: 160px;
            z-index: 100;
            box-shadow: var(--glass-shadow);
            backdrop-filter: blur(20px);
        }

        .lang-option {
            background: transparent;
            border: none;
            padding: 8px 16px;
            border-radius: 10px;
            color: var(--text-muted);
            text-align: left;
            font-weight: 500;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
            width: 100%;
        }

        .lang-option:hover, .lang-option.active {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-panel {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            color: var(--text-main);
            padding: 10px 20px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 700;
            font-size: 14.5px;
            transition: all 0.3s ease;
        }

        .btn-panel:hover {
            border-color: var(--accent-primary);
            box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
        }

        /* Hero Bölümü & QR */
        .hero {
            max-width: 1200px;
            margin: 0px auto 0 auto;
            padding: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .hero-text {
            flex: 1;
            max-width: 620px;
        }

        .hero h1 {
            font-size: 56px;
            font-weight: 900;
            letter-spacing: -1.5px;
            line-height: 1.1;
            background: linear-gradient(135deg, #f8fafc 40%, #c084fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
        }

        .hero p {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 36px;
            line-height: 1.6;
        }

        .cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-tertiary) 100%);
            color: white;
            padding: 16px 32px;
            border-radius: 14px;
            font-weight: 800;
            text-decoration: none;
            box-shadow: 0 8px 24px rgba(139, 92, 246, 0.35);
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(139, 92, 246, 0.5);
        }

        /* QR Kod Kutusu */
        .qr-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            backdrop-filter: blur(10px);
            margin-top: 20px;
            max-width: 440px;
        }

        .qr-placeholder {
            width: 90px;
            height: 90px;
            background: white;
            border-radius: 12px;
            padding: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qr-placeholder img {
            width: 100%;
            height: 100%;
        }

        .qr-text {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* iPhone Mockup Carousel */
        .hero-mockup {
            flex-shrink: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .iphone-frame {
            width: 320px;
            height: 640px;
            background: #0f172a;
            border: 12px solid #334155;
            border-radius: 48px;
            box-shadow: var(--glass-shadow), 0 0 0 4px #1e293b;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        /* Dynamic notch */
        .iphone-notch {
            width: 130px;
            height: 24px;
            background: #334155;
            border-radius: 0 0 16px 16px;
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
        }

        /* Telegram WebApp Navbar Simulation */
        .tg-app-bar {
            background: #17212b;
            padding: 28px 16px 10px 16px;
            border-bottom: 1px solid #101921;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: white;
            font-size: 14px;
            z-index: 5;
        }

        .tg-app-title {
            font-weight: 700;
            display: flex;
            flex-direction: column;
        }

        .tg-app-title span {
            font-size: 10px;
            color: #5288c8;
            font-weight: 500;
        }

        .tg-app-close {
            color: var(--text-muted);
            font-size: 18px;
            cursor: pointer;
        }

        /* Carousel Content */
        .carousel-view {
            flex: 1;
            position: relative;
            overflow: hidden;
        }

        .carousel-track {
            display: flex;
            width: 300%;
            height: 100%;
            transition: transform 0.5s ease-in-out;
        }

        .carousel-slide-img {
            width: 33.333%;
            height: 100%;
            background: linear-gradient(135deg, #101921 0%, #17212b 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .carousel-slide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .carousel-placeholder-box {
            padding: 30px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
        }

        /* Carousel Navigation */
        .carousel-nav-prev, .carousel-nav-next {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid var(--glass-border);
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            transition: all 0.2s ease;
        }

        .carousel-nav-prev:hover, .carousel-nav-next:hover {
            background: rgba(15, 23, 42, 0.9);
            border-color: var(--accent-primary);
        }

        .carousel-nav-prev { left: -50px; }
        .carousel-nav-next { right: -50px; }

        /* Sayaçlar */
        .stats-bar {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto 20px auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .stat-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 24px;
            text-align: center;
            backdrop-filter: blur(5px);
        }

        .stat-val {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-main);
            background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Detaylı Özellik Blokları */
        .feature-details-section {
            max-width: 1200px;
            margin: 0 auto 20px auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .detail-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 80px;
        }

        .detail-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .detail-text {
            flex: 1;
            max-width: 520px;
        }

        .detail-text h3 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .detail-text p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .detail-img-box {
            flex: 1;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 12px;
            box-shadow: var(--glass-shadow);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 320px;
        }

        .detail-img-box.vertical {
            flex: 0 0 280px;
            max-width: 280px;
            height: 560px;
            aspect-ratio: 9 / 16;
            background: #0f172a;
            border: 10px solid #1e293b;
            border-radius: 40px;
            padding: 0;
            box-shadow: var(--glass-shadow), 0 0 0 2px rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            min-height: auto;
        }

        .detail-img-box.vertical .detail-placeholder {
            min-height: 100%;
            border-radius: 0;
        }

        .mockup-header {
            width: 100%;
            height: 40px;
            background: #17212b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 16px 6px 16px;
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            border-bottom: 1px solid rgba(0, 0, 0, 0.15);
            flex-shrink: 0;
        }

        .mockup-close {
            color: #94a3b8;
            font-size: 14px;
            cursor: pointer;
        }

        .detail-placeholder {
            width: 100%;
            height: 100%;
            min-height: 300px;
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.6) 100%);
            border: 1px dashed rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            text-align: center;
            padding: 20px;
        }

        /* Gemini AI Simülatörü */
        .ai-sim-box {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 24px;
            width: 100%;
            max-width: 450px;
            backdrop-filter: blur(10px);
        }

        .ai-sim-input-group {
            display: flex;
            gap: 10px;
            margin-bottom: 16px;
        }

        .glass-input {
            flex: 1;
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            padding: 10px 14px;
            color: white;
            font-size: 14px;
            outline: none;
        }

        .glass-input:focus {
            border-color: var(--accent-primary);
        }

        .btn-ai {
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            border: none;
            color: white;
            padding: 10px 16px;
            border-radius: 10px;
            font-weight: 700;
            cursor: pointer;
            font-size: 13.5px;
            transition: all 0.2s ease;
        }

        .ai-result-area {
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 16px;
            min-height: 120px;
            font-size: 13.5px;
            color: #cbd5e1;
            line-height: 1.6;
            font-family: monospace;
            position: relative;
        }

        .ai-cursor {
            display: inline-block;
            width: 8px;
            height: 15px;
            background: var(--accent-secondary);
            margin-left: 2px;
            animation: blink 0.8s infinite;
        }

        @keyframes blink {
            0%, 100% { opacity: 0; }
            50% { opacity: 1; }
        }

        /* Features Section Styles */
        .features {
            max-width: 1200px;
            margin: 0 auto 50px auto;
            padding: 0 16px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .feat-box {
            background: rgba(30, 41, 59, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .feat-box:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 180, 216, 0.3);
            box-shadow: 0 12px 30px rgba(0, 180, 216, 0.1);
        }

        .feat-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .feat-box h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
        }

        .feat-box p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* İnteraktif Canlı Demo Önizleme Simülatörü */
        .demo-sim-section {
            max-width: 1200px;
            margin: 0 auto 20px auto;
            padding: 0 24px;
        }

        .sim-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 32px;
            padding: 40px;
            backdrop-filter: blur(15px);
        }

        .sim-controls {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sim-control-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sim-control-group label {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-main);
        }

        .sim-logo-selector {
            display: flex;
            gap: 12px;
        }

        .sim-logo-opt {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 2px solid transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .sim-logo-opt.active {
            border-color: var(--accent-secondary);
            transform: scale(1.1);
        }

        /* Simüle edilmiş Mini App Arayüzü */
        .sim-phone {
            width: 100%;
            height: 520px;
            background: #17212b;
            border: 8px solid #334155;
            border-radius: 36px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            color: white;
            box-shadow: var(--glass-shadow);
        }

        .sim-phone-header {
            background: #24303f;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .sim-phone-logo {
            width: 32px;
            height: 32px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .sim-phone-body {
            flex: 1;
            padding: 16px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .sim-checkout-box {
            background: #1d2a39;
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 14px;
            padding: 16px;
        }

        .sim-checkout-title {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #5288c8;
        }

        .sim-checkout-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 12px;
        }

        .sim-checkout-field label {
            font-size: 11px;
            color: #8b96a1;
            font-weight: 600;
        }

        .sim-checkout-input {
            background: #17212b;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: white;
            font-size: 12.5px;
            pointer-events: none;
        }

        .sim-phone-footer {
            background: #24303f;
            padding: 12px;
            text-align: center;
            font-size: 11px;
            color: #8b96a1;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* Kazanç Hesaplayıcı */
        .calculator-section {
            max-width: 1200px;
            margin: 0 auto 20px auto;
            padding: 0 24px;
        }

        .calc-box {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 32px;
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            backdrop-filter: blur(15px);
        }

        .calc-sliders {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .calc-slider-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .calc-slider-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
        }

        .slider-val {
            color: var(--accent-secondary);
            font-size: 20px;
        }

        .calc-range {
            -webkit-appearance: none;
            width: 100%;
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            outline: none;
        }

        .calc-range::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--accent-secondary);
            cursor: pointer;
            box-shadow: 0 0 10px rgba(0, 180, 216, 0.5);
            transition: all 0.2s ease;
        }

        .calc-results {
            background: rgba(15, 23, 42, 0.5);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 24px;
        }

        .calc-res-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .calc-res-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .calc-res-val {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
        }

        .calc-res-val.highlight {
            color: #34d399;
            font-size: 34px;
        }

        /* Fiyatlandırma */
        .pricing {
            max-width: 1200px;
            margin: 0 auto 20px auto;
            padding: 0 24px;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .plan-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 36px 24px;
            display: flex;
            flex-direction: column;
            position: relative;
            transition: all 0.3s ease;
        }

        .plan-card.popular {
            border-color: var(--accent-primary);
            background: rgba(139, 92, 246, 0.08);
            box-shadow: 0 10px 30px rgba(139, 92, 246, 0.15);
        }

        .plan-card:hover {
            transform: scale(1.02);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .plan-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-tertiary) 100%);
            color: white;
            font-size: 11px;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 50px;
            text-transform: uppercase;
        }

        .plan-name {
            font-size: 15px;
            font-weight: 800;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 15px;
        }

        .plan-price-block {
            margin-bottom: 24px;
        }

        .plan-price-stars {
            font-size: 32px;
            font-weight: 800;
        }

        .plan-price-gram {
            font-size: 14px;
            color: var(--accent-secondary);
            font-weight: 600;
            margin-top: 4px;
        }

        .plan-features-list {
            list-style: none;
            margin-bottom: 30px;
            flex: 1;
        }

        .plan-features-list li {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-buy {
            width: 100%;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            color: var(--text-main);
            padding: 12px;
            border-radius: 12px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            text-decoration: none;
        }

        .plan-card.popular .btn-buy {
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            border: none;
            box-shadow: 0 4px 15px rgba(0, 180, 216, 0.25);
        }

        .btn-buy:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        /* FAQ (SSS) Bölümü */
        .faq-section {
            max-width: 800px;
            margin: 0 auto 20px auto;
            padding: 0 24px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: rgba(30, 41, 59, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            backdrop-filter: blur(12px);
        }

        .faq-item:hover {
            border-color: rgba(0, 180, 216, 0.4);
            background: rgba(30, 41, 59, 0.6);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 180, 216, 0.1);
        }

        .faq-question {
            padding: 22px 28px;
            font-size: 16.5px;
            font-weight: 600;
            color: #f1f5f9;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            gap: 16px;
            transition: color 0.3s ease;
        }

        .faq-item:hover .faq-question {
            color: #38bdf8;
        }

        .faq-answer {
            padding: 0 28px;
            max-height: 0;
            overflow: hidden;
            color: #94a3b8;
            font-size: 14.5px;
            line-height: 1.7;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

        .faq-item.active {
            border-color: rgba(99, 102, 241, 0.4);
            box-shadow: 0 8px 30px rgba(99, 102, 241, 0.15);
            background: rgba(15, 23, 42, 0.6);
        }

        .faq-item.active .faq-answer {
            padding: 0 28px 24px 28px;
            max-height: 500px;
        }

        .faq-icon {
            font-size: 20px;
            color: #64748b;
            transition: all 0.3s ease;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .faq-item:hover .faq-icon {
            color: #38bdf8;
            background: rgba(56, 189, 248, 0.1);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: #818cf8;
            background: rgba(129, 140, 248, 0.1);
        }

        /* Canlı FOMO Bildirimi */
        .fomo-notification {
            position: fixed;
            bottom: -120px;
            right: 24px;
            background: rgba(15, 23, 42, 0.95);
            border: 1.5px solid rgba(56, 189, 248, 0.4);
            border-radius: 16px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            z-index: 10000;
            box-shadow: 0 10px 40px rgba(56, 189, 248, 0.15), 0 0 20px rgba(99, 102, 241, 0.1);
            backdrop-filter: blur(16px);
            transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            max-width: 340px;
        }

        .fomo-notification.show {
            bottom: 24px;
        }

        .fomo-avatar {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .fomo-info {
            font-size: 13px;
        }

        .fomo-title {
            font-weight: 700;
            color: white;
            margin-bottom: 2px;
        }

        .fomo-desc {
            color: var(--text-muted);
        }

        /* Alt CTA & Footer */
        .cta-bottom {
            max-width: 1200px;
            margin: 0 auto 20px auto;
            padding: 0 24px;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(236, 72, 153, 0.15) 100%);
            border: 1px solid var(--glass-border);
            border-radius: 30px;
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .cta-box h2 {
            font-size: 38px;
            font-weight: 900;
            margin-bottom: 16px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-box p {
            color: var(--text-muted);
            font-size: 16.5px;
            max-width: 580px;
            margin: 0 auto 36px auto;
        }

        footer {
            background: rgba(11, 19, 41, 0.95);
            border-top: 1px solid var(--glass-border);
            padding: 30px 24px 30px 24px;
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto 40px auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 900;
            margin-bottom: 12px;
            color: white;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 320px;
        }

        .footer-links h5 {
            font-size: 15px;
            font-weight: 700;
            color: white;
            margin-bottom: 16px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .footer-links a:hover {
            color: white;
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13.5px;
            color: var(--text-muted);
        }

        /* Global Section Header Styles */
        .section-header {
            text-align: center;
            margin-bottom: 20px;
            padding: 0 16px;
        }

        .section-header h2 {
            font-size: 40px;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #ffffff 40%, #a78bfa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 992px) {
            header {
                padding: 0 !important;
            }
            .header-container {
                padding: 14px 16px;
                gap: 12px;
                flex-wrap: nowrap;
                justify-content: space-between;
            }
            header.scrolled .header-container {
                padding: 10px 16px;
            }
            .logo {
                font-size: 20px;
            }
            .nav-actions .btn-panel {
                display: none;
            }
            .lang-active-btn {
                padding: 6px 12px;
                font-size: 13px;
            }
            .menu-toggle {
                display: flex;
            }
            nav {
                display: none;
            }
            .hero {
                flex-direction: column;
                text-align: center;
                gap: 24px;
                padding: 24px 16px;
                margin-top: 10px;
                width: 100%;
                overflow: hidden;
            }
            .hero h1 {
                font-size: 32px;
                line-height: 1.25;
                word-wrap: break-word;
            }
            .hero p {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .hero-text {
                display: flex;
                flex-direction: column;
                align-items: center;
                width: 100%;
            }
            .cta-group {
                justify-content: center;
                width: 100%;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
                text-align: center;
                padding: 14px 24px;
                font-size: 15px;
            }
            .qr-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 16px;
                gap: 12px;
                width: 100%;
            }
            .stats-bar {
                margin-bottom: 20px;
                gap: 16px;
                padding: 0 16px;
            }
            .stat-card {
                padding: 16px;
            }
            .stat-val {
                font-size: 32px;
            }
            .features {
                margin-bottom: 10px;
            }
            .feature-details-section {
                margin-bottom: 10px;
            }
            .detail-row, .detail-row:nth-child(even) {
                flex-direction: column;
                gap: 10px;
                padding: 24px 16px;
            }
            .detail-img-box.vertical {
                flex: none;
                width: 280px;
                max-width: 280px;
                height: 560px;
                margin: 0 auto;
            }
            .ai-sim-box {
                max-width: 100%;
                margin: 0 auto;
            }
            .detail-content h3 {
                font-size: 28px;
            }
            .demo-sim-section {
                margin-bottom: 10px;
            }
            .sim-grid {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 24px 16px;
                border-radius: 24px;
            }
            .calculator-section {
                margin-bottom: 10px;
            }
            .calc-box {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 20px;
                border-radius: 24px;
            }
            .calc-result-panel {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 16px;
            }
            .plan-card {
                padding: 24px;
            }
            .plan-price-stars {
                font-size: 28px;
            }
            .hero-mockup {
                width: 100%;
                max-width: 320px;
                margin: 0 auto;
            }
            .carousel-nav-prev { left: 10px; }
            .carousel-nav-next { right: 10px; }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px 24px;
            }
            .footer-brand {
                grid-column: span 2;
                text-align: center;
            }
            .footer-brand p {
                margin: 0 auto;
                max-width: 420px;
            }
            .footer-links {
                text-align: center;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .cta-box {
                padding: 40px 20px;
                border-radius: 24px;
            }
            .cta-box h2 {
                font-size: 26px;
                line-height: 1.3;
            }
            .cta-box p {
                font-size: 14px;
                margin-bottom: 24px;
            }
            .cta-box .btn-primary {
                width: auto;
                display: inline-flex;
                justify-content: center;
                margin: 0 auto;
                padding: 12px 24px;
                font-size: 15px;
            }
            .pricing {
                margin-bottom: 10px;
            }
            .faq-section {
                margin-bottom: 10px;
            }
            .cta-bottom {
                margin-bottom: 10px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 30px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .ai-sim-input-group {
                flex-direction: column;
            }
            .btn-ai {
                width: 100%;
            }
        }
        /* Mobile Performance Optimization for Blur Orbs */
        @media (max-width: 768px) {
            .blur-orb {
                filter: blur(60px);
                opacity: 0.35;
            }
        }

        /* Accessibility: Prefers Reduced Motion support */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-delay: -1ms !important;
                animation-duration: 1ms !important;
                animation-iteration-count: 1 !important;
                background-attachment: initial !important;
                scroll-behavior: auto !important;
                transition-duration: 0.01s !important;
                transition-delay: 0s !important;
            }
        }


/* ==========================================
   RTL (Right-to-Left) Support (Arabic etc.)
   ========================================== */
html[dir="rtl"] {
    text-align: right;
}

html[lang="ar"], html[lang="ar"] * {
    font-family: 'Cairo', 'Noto Sans Arabic', 'Outfit', sans-serif !important;
}

/* Flip carousel navigation buttons positions */
html[dir="rtl"] .carousel-nav-prev {
    left: auto !important;
    right: -50px !important;
    transform: translateY(-50%) rotate(180deg) !important;
}

html[dir="rtl"] .carousel-nav-next {
    right: auto !important;
    left: -50px !important;
    transform: translateY(-50%) rotate(180deg) !important;
}

/* Mobile carousel nav positions for RTL */
@media (max-width: 768px) {
    html[dir="rtl"] .carousel-nav-prev {
        left: auto !important;
        right: 10px !important;
    }
    html[dir="rtl"] .carousel-nav-next {
        right: auto !important;
        left: 10px !important;
    }
}

/* Language selector dropdown placement adjustments for RTL */
html[dir="rtl"] .lang-dropdown {
    left: 0 !important;
    right: auto !important;
}


/* Smooth scroll margin-top offsets for sticky header */
section[id], footer[id] {
    scroll-margin-top: 85px;
}