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

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
            line-height: 1.6;
            color: #1a1a1a;
            overflow-x: hidden;
        }

        html {
            scroll-behavior: smooth;
        }

        /* Modern Color Palette */
        :root {
            --primary-red: #DC143C;
            --secondary-red: #B91C1C;
            --accent-red: #EF4444;
            --dark-red: #991B1B;
            --light-gray: #F8FAFC;
            --medium-gray: #64748B;
            --dark-gray: #1E293B;
            --gradient-bg: linear-gradient(135deg, #DC143C 0%, #B91C1C 50%, #991B1B 100%);
        }

        /* Loading Animation */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--gradient-bg);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            transition: opacity 0.8s ease, visibility 0.8s ease;
        }

        .loading-overlay.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loader {
            width: 60px;
            height: 60px;
            border: 4px solid rgba(255, 255, 255, 0.2);
            border-top: 4px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        /* Header */
        .header {
                position: -webkit-sticky; /* iOS Safari için */
            background: rgba(220, 20, 60, 0.95);
            backdrop-filter: blur(20px);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 8px 32px rgba(220, 20, 60, 0.3);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            letter-spacing: -0.5px;
            background: linear-gradient(45deg, #fff, #fecaca);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav-menu a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 50%;
            background: linear-gradient(90deg, #fff, #fecaca);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

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

        .auth-buttons {
            display: flex;
            gap: 1rem;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            font-size: 0.9rem;
            position: relative;
            overflow: hidden;
        }

        .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: left 0.6s;
        }

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

        .btn-outline {
            background: transparent;
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
        }

        .btn-outline:hover {
            background: white;
            color: var(--primary-red);
            transform: translateY(-2px) scale(1.05);
            box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
        }

        .btn-primary {
            background: linear-gradient(135deg, #fff, #f1f5f9);
            color: var(--primary-red);
            box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px) scale(1.05);
            box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
            background: linear-gradient(135deg, #f8fafc, #e2e8f0);
        }

        /* Hamburger Menu */
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: white;
            margin: 3px 0;
            transition: 0.4s;
            border-radius: 3px;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(-45deg) translate(-5px, 6px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(45deg) translate(-5px, -6px);
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100vh;
            background: var(--gradient-bg);
            z-index: 1000;
            transition: left 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            padding: 100px 2rem 2rem;
            backdrop-filter: blur(20px);
        }

        .mobile-menu.active {
            left: 0;
        }

        .mobile-nav {
            list-style: none;
            padding: 0;
        }

        .mobile-nav li {
            margin: 2rem 0;
            opacity: 0;
            transform: translateX(-50px);
            transition: all 0.4s ease;
        }

        .mobile-menu.active .mobile-nav li {
            opacity: 1;
            transform: translateX(0);
        }

        .mobile-nav li:nth-child(1) {
            transition-delay: 0.1s;
        }

        .mobile-nav li:nth-child(2) {
            transition-delay: 0.2s;
        }

        .mobile-nav li:nth-child(3) {
            transition-delay: 0.3s;
        }

        .mobile-nav li:nth-child(4) {
            transition-delay: 0.4s;
        }

        .mobile-nav a {
            color: white;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 600;
            display: block;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }

        .mobile-nav a:hover {
            color: #fecaca;
            padding-left: 1rem;
        }

        .mobile-auth {
            margin-top: 3rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.4s ease 0.5s;
        }

        .mobile-menu.active .mobile-auth {
            opacity: 1;
            transform: translateY(0);
        }

        /* Hero Section */
        .hero {
            background: var(--gradient-bg);
            color: white;
            padding: 8rem 0;
            position: relative;
            overflow: hidden;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
            animation: heroFloat 8s ease-in-out infinite alternate;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%),
                linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 25%, transparent 25%);
            background-size: 60px 60px;
            animation: patternSlide 20s linear infinite;
        }

        @keyframes heroFloat {

            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }

            50% {
                transform: translate(20px, -20px) scale(1.02);
            }
        }

        @keyframes patternSlide {
            0% {
                transform: translate(0, 0);
            }

            100% {
                transform: translate(60px, 60px);
            }
        }

        .floating-shapes {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 1;
        }

        .shape {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: floatUp 15s infinite linear;
        }

        .shape:nth-child(1) {
            width: 80px;
            height: 80px;
            left: 10%;
            animation-delay: 0s;
        }

        .shape:nth-child(2) {
            width: 120px;
            height: 120px;
            left: 20%;
            animation-delay: 2s;
        }

        .shape:nth-child(3) {
            width: 60px;
            height: 60px;
            left: 70%;
            animation-delay: 4s;
        }

        .shape:nth-child(4) {
            width: 100px;
            height: 100px;
            left: 80%;
            animation-delay: 6s;
        }

        @keyframes floatUp {
            0% {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }

            10% {
                opacity: 1;
            }

            90% {
                opacity: 1;
            }

            100% {
                transform: translateY(-100px) rotate(360deg);
                opacity: 0;
            }
        }

        .hero-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content h1 {
            font-size: 4rem;
            font-weight: 800;
            margin-bottom: 2rem;
            line-height: 1.1;
            background: linear-gradient(45deg, #fff, #fecaca, #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
        }

        .hero-content p {
            font-size: 1.3rem;
            margin-bottom: 3rem;
            opacity: 0.95;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-btn {
            background: linear-gradient(135deg, #fff, #f1f5f9);
            color: var(--primary-red);
            padding: 1.2rem 2.5rem;
            border: none;
            border-radius: 15px;
            font-size: 1.2rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
        }

        .hero-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(220, 20, 60, 0.1), transparent);
            transition: left 0.6s;
        }

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

        .hero-btn:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 15px 40px rgba(255, 255, 255, 0.4);
        }

        .hero-image {
            position: relative;
        }

        .hero-image::before {
            content: '';
            position: absolute;
            top: -30px;
            left: -30px;
            right: -30px;
            bottom: -30px;
            background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
            border-radius: 25px;
            z-index: -1;
            animation: imagePulse 4s ease-in-out infinite;
        }

        @keyframes imagePulse {

            0%,
            100% {
                transform: scale(1) rotate(0deg);
                opacity: 0.7;
            }

            50% {
                transform: scale(1.05) rotate(1deg);
                opacity: 1;
            }
        }

        .hero-image img {
            max-width: 100%;
            height: auto;
            border-radius: 20px;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
            transition: transform 0.6s ease;
        }

        .hero-image:hover img {
            transform: scale(1.02) rotateY(5deg);
        }

        /* Integrations Section */
        .integrations {
            padding: 8rem 0;
            background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f8fafc 100%);
            position: relative;
        }

        .integrations::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 50% 0%, rgba(220, 20, 60, 0.03) 0%, transparent 70%);
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 1;
        }

        .section-title {
            text-align: center;
            font-size: 3.5rem;
            font-weight: 800;
            background: var(--gradient-bg);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 5rem;
            position: relative;
            letter-spacing: -1px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 4px;
            background: var(--gradient-bg);
            border-radius: 2px;
        }

        .integration-category {
            margin-bottom: 6rem;
        }

        .category-header {
            display: flex;
            align-items: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: linear-gradient(135deg, #fff, #f8fafc);
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(220, 20, 60, 0.1);
            position: relative;
            overflow: hidden;
        }

        .category-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-bg);
        }

        .category-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient-bg);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
            margin-right: 2rem;
            box-shadow: 0 10px 30px rgba(220, 20, 60, 0.3);
            transition: transform 0.3s ease;
        }

        .category-header:hover .category-icon {
            transform: scale(1.1) rotate(5deg);
        }

        .category-info h3 {
            color: var(--primary-red);
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .category-info p {
            color: var(--medium-gray);
            font-size: 1.2rem;
            line-height: 1.6;
        }

        .brands-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }

        .brand-card {
            background: linear-gradient(135deg, #ffffff, #f8fafc);
            border: 1px solid rgba(220, 20, 60, 0.1);
            border-radius: 20px;
            padding: 2.5rem;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            position: relative;
            overflow: hidden;
        }

        .brand-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(220, 20, 60, 0.05), transparent);
            transition: left 0.6s ease;
        }

        .brand-card:hover::before {
            left: 100%;
        }

        .brand-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 50px rgba(220, 20, 60, 0.15);
            border-color: var(--primary-red);
        }

        .brand-logo {
            width: 90px;
            height: 90px;
            background: #ffffff;
            /* Arka planı beyaz yaptık, logolar daha iyi görünür */
            border: 1px solid #f1f5f9;
            /* Hafif bir çerçeve ekledik */
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            box-shadow: 0 8px 25px rgba(100, 116, 139, 0.1);
            /* Gölgeyi daha nötr yaptık */
            transition: all 0.3s ease;
        }

        /* YENİ EKLENEN STİL */
        .brand-logo img {
            max-width: 60px;
            /* Resmin konteyner içinde çok büyük olmasını engeller */
            max-height: 60px;
            /* Resmin oranını korur ve taşmasını önler */
            object-fit: contain;
            /* Resmin en/boy oranını bozmadan sığmasını sağlar */
        }

        .brand-card:hover .brand-logo {
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 12px 35px rgba(220, 20, 60, 0.4);
        }

        .brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--dark-gray);
            margin-bottom: 0.8rem;
        }

        .brand-description {
            color: var(--medium-gray);
            font-size: 1rem;
            line-height: 1.6;
        }

        /* Video Section */
        .video-section {
            padding: 8rem 0;
            background: var(--gradient-bg);
            position: relative;
            overflow: hidden;
        }

        .video-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
            animation: videoFloat 10s ease-in-out infinite alternate;
        }

        @keyframes videoFloat {
            0% {
                transform: translate(0, 0) scale(1);
            }

            100% {
                transform: translate(30px, -30px) scale(1.05);
            }
        }

        .video-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 1;
        }

        .video-content {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(30px);
            border-radius: 30px;
            padding: 5rem;
            box-shadow:
                0 30px 80px rgba(0, 0, 0, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .video-content::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.3));
            border-radius: 30px;
            z-index: -1;
            animation: borderGlow 3s ease-in-out infinite alternate;
        }

        @keyframes borderGlow {
            0% {
                opacity: 0.5;
            }

            100% {
                opacity: 1;
            }
        }

        .video-content h2 {
            font-size: 3rem;
            color: white;
            margin-bottom: 2rem;
            font-weight: 800;
            background: linear-gradient(45deg, #fff, #fecaca, #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .video-content p {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 800px;
            margin: 0 auto 3rem;
            line-height: 1.7;
        }

        .video-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }

        .video-feature {
            padding: 2rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }

        .video-feature:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.15);
        }

        .video-feature i {
            font-size: 2.5rem;
            color: white;
            margin-bottom: 1.5rem;
            display: inline-block;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 15px;
        }

        .video-feature h4 {
            color: white;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .video-feature p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            line-height: 1.6;
            margin: 0;
        }

        /* What We Do Section */
        .what-we-do {
            padding: 8rem 0;
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 3rem;
            margin-top: 5rem;
        }

        .feature-card {
            background: linear-gradient(135deg, #ffffff, #f8fafc);
            padding: 4rem 3rem;
            border-radius: 25px;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(220, 20, 60, 0.1);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(220, 20, 60, 0.05), transparent);
            transition: left 0.6s ease;
        }

        .feature-card:hover::before {
            left: 100%;
        }

        .feature-card:hover {
            transform: translateY(-15px) scale(1.02);
            box-shadow: 0 25px 70px rgba(220, 20, 60, 0.15);
        }

        .feature-icon {
            width: 100px;
            height: 100px;
            background: var(--gradient-bg);
            border-radius: 25px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 2rem;
            color: white;
            font-size: 2.5rem;
            box-shadow: 0 15px 40px rgba(220, 20, 60, 0.3);
            transition: all 0.4s ease;
            position: relative;
        }

        .feature-icon::before {
            content: '';
            position: absolute;
            top: -3px;
            left: -3px;
            right: -3px;
            bottom: -3px;
            background: var(--gradient-bg);
            border-radius: 25px;
            z-index: -1;
            animation: iconPulse 4s ease-in-out infinite;
        }

        @keyframes iconPulse {

            0%,
            100% {
                transform: scale(1);
                opacity: 0.7;
            }

            50% {
                transform: scale(1.05);
                opacity: 1;
            }
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotateY(15deg);
            box-shadow: 0 20px 50px rgba(220, 20, 60, 0.4);
        }

        .feature-card h3 {
            color: var(--primary-red);
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            font-weight: 700;
        }

        .feature-card p {
            color: var(--medium-gray);
            line-height: 1.7;
            font-size: 1.1rem;
        }

        /* Contact Section */
        .contact {
            background: var(--gradient-bg);
            color: white;
            padding: 8rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .contact::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
            animation: contactFloat 12s ease-in-out infinite alternate;
        }

        @keyframes contactFloat {
            0% {
                transform: translate(0, 0) rotate(0deg);
            }

            100% {
                transform: translate(40px, -40px) rotate(3deg);
            }
        }

        .contact h2 {
            font-size: 3.5rem;
            margin-bottom: 2rem;
            font-weight: 800;
            background: linear-gradient(45deg, #fff, #fecaca, #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            z-index: 1;
        }

        .contact p {
            font-size: 1.3rem;
            margin-bottom: 3rem;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .contact-btn {
            background: linear-gradient(135deg, #fff, #f1f5f9);
            color: var(--primary-red);
            padding: 1.5rem 3rem;
            border: none;
            border-radius: 15px;
            font-size: 1.2rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
            position: relative;
            z-index: 1;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
        }

        .contact-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(220, 20, 60, 0.1), transparent);
            transition: left 0.6s;
        }

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

        .contact-btn:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 15px 40px rgba(255, 255, 255, 0.4);
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: white;
            padding: 4rem 0 2rem;
            position: relative;
        }

        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient-bg);
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }

        .footer-section h4 {
            color: white;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .footer-section p,
        .footer-section a {
            color: #94a3b8;
            text-decoration: none;
            line-height: 1.8;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--accent-red);
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 2rem;
            text-align: center;
            color: #94a3b8;
        }

        /* WhatsApp Button */
        .whatsapp-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #25D366, #128C7E);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.8rem;
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
            z-index: 1000;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            animation: whatsappPulse 2s ease-in-out infinite;
        }

        .whatsapp-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
        }

        @keyframes whatsappPulse {

            0%,
            100% {
                transform: scale(1);
                box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
            }

            50% {
                transform: scale(1.05);
                box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
            }
        }

        .whatsapp-tooltip {
            position: absolute;
            right: 70px;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .whatsapp-btn:hover .whatsapp-tooltip {
            opacity: 1;
            visibility: visible;
            right: 75px;
        }

        /* Cookie Notice */
        .cookie-notice {
            position: fixed;
            bottom: 0;
            /* Masaüstü için varsayılan konum */
            left: 0;
            right: 0;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.95));
            backdrop-filter: blur(20px);
            padding: 1.5rem;
            box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.1);
            border-top: 1px solid rgba(220, 20, 60, 0.2);
            z-index: 9999;
            /* Animasyon için başlangıç durumu */
            opacity: 0;
            visibility: hidden;
            transform: translateY(100%);
            transition: opacity 0.5s ease, visibility 0.5s ease, transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .cookie-notice.show {
            /* Animasyonun bitiş durumu */
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .cookie-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .cookie-text {
            flex: 1;
            color: var(--dark-gray);
            line-height: 1.6;
        }

        .cookie-text strong {
            color: var(--primary-red);
            font-weight: 700;
        }

        .cookie-actions {
            display: flex;
            gap: 1rem;
            align-items: center;
            flex-shrink: 0;
        }

        .cookie-btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .cookie-btn-accept {
            background: var(--gradient-bg);
            color: white;
            box-shadow: 0 4px 15px rgba(220, 20, 60, 0.3);
        }

        .cookie-btn-accept:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(220, 20, 60, 0.4);
        }

        .cookie-btn-decline {
            background: transparent;
            color: var(--medium-gray);
            border: 2px solid #e2e8f0;
        }

        .cookie-btn-decline:hover {
            background: #f1f5f9;
            color: var(--dark-gray);
        }

        /* Mobile Responsive */
        @media (max-width: 768px) {

            .nav-menu,
            .auth-buttons {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                padding: 5rem 0;
                min-height: 70vh;
            }

            .hero-container {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 3rem;
            }

            .hero-content h1 {
                font-size: 2.8rem;
            }

            .section-title {
                font-size: 2.5rem;
            }

            .brands-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .video-content {
                padding: 3rem 2rem;
            }

            .video-content h2 {
                font-size: 2.2rem;
            }

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

            .category-header {
                flex-direction: column;
                text-align: center;
                gap: 1.5rem;
            }

            .category-icon {
                margin-right: 0;
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .cookie-notice {
                /* Tam ekran kaplayan bir arka plan oluştur */
                top: 0;
                bottom: 0;
                left: 0;
                right: 0;
                padding: 1rem;
                background: rgba(30, 41, 59, 0.6);
                /* Yarı saydam koyu arka plan */
                backdrop-filter: blur(10px);
                display: flex;
                align-items: center;
                justify-content: center;
                /* Mobil için giriş animasyonunu değiştir */
                transform: scale(1.1);
            }

            .cookie-notice.show {
                transform: scale(1);
            }

            .cookie-content {
                /* İçerik kartı */
                background: linear-gradient(135deg, #ffffff, #f8fafc);
                flex-direction: column;
                text-align: center;
                padding: 2.5rem 2rem;
                border-radius: 16px;
                box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
                max-width: 400px;
                width: 90vw;
                border-top: 4px solid var(--primary-red);
                /* Marka rengiyle vurgu */
            }

            .cookie-actions {
                width: 100%;
                justify-content: center;
                margin-top: 1rem;
                /* Butonlarla metin arasına boşluk ekle */
            }

            .cookie-btn {
                flex-grow: 1;
                /* Butonların eşit genişlikte olmasını sağla */
                justify-content: center;
            }

            .whatsapp-btn {
                bottom: 20px;
                right: 20px;
                width: 55px;
                height: 55px;
                font-size: 1.6rem;
            }
        }

        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 2.2rem;
            }

            .section-title {
                font-size: 2rem;
            }

            .feature-card {
                padding: 2.5rem 2rem;
            }

            .category-info h3 {
                font-size: 1.8rem;
            }

            .contact h2 {
                font-size: 2.5rem;
            }
        }