html { scroll-behavior: smooth; }
        body { background-color: #0A0A0A; color: white; font-family: 'Inter', sans-serif; overflow-x: hidden; }
        
        /* Preloader */
        #preloader {
            position: fixed; inset: 0; background-color: #0A0A0A; z-index: 9999;
            display: flex; flex-direction: column; justify-content: center; align-items: center;
            transition: opacity 0.6s ease-out, visibility 0.6s ease-out;
        }
        
        /* Egzantirik Detaylar */
        .glass-dark { 
            background: rgba(10, 10, 10, 0.85); 
            backdrop-filter: blur(20px); 
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 0, 0, 0.15);
        }

        .hero-gradient {
            background: radial-gradient(circle at top right, rgba(255, 0, 0, 0.12), transparent),
                        radial-gradient(circle at bottom left, rgba(255, 0, 0, 0.05), transparent);
        }

        .red-glow { box-shadow: 0 0 30px rgba(255, 0, 0, 0.4); }
        .wa-glow { box-shadow: 0 0 20px rgba(37, 211, 102, 0.4); }

        .card-hover { transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
        .card-hover:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 0, 0, 0.5);
            background: rgba(255, 0, 0, 0.03);
            box-shadow: 0 10px 40px rgba(255, 0, 0, 0.05);
        }

        .image-hover img { transition: all 0.7s ease; filter: grayscale(100%) brightness(0.6); }
        .image-hover:hover img { filter: grayscale(0%) brightness(1); transform: scale(1.05); }

        .animated-border { position: relative; overflow: hidden; display: inline-block; }
        .animated-border::after {
            content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
            background: #FF0000; transition: width 0.4s ease;
        }
        .animated-border:hover::after { width: 100%; }

        @keyframes pulse-slow {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.8; transform: scale(1.05); }
        }
        .pulse-call { animation: pulse-slow 2s infinite; }

        /* SSS Akordiyon Animasyonu */
        details > summary { list-style: none; }
        details > summary::-webkit-details-marker { display: none; }
        details[open] summary ~ * { animation: sweep .3s ease-in-out; }
        @keyframes sweep {
            0% {opacity: 0; transform: translateY(-10px)}
            100% {opacity: 1; transform: translateY(0)}
        }
        
        /* Çözüm Ortakları Marquee Mask */
        .marquee-container {
            mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
            -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
        }

        /* Header Logo Ayarları */
        .logo-img {
            height: 55px; width: auto; object-fit: contain; transition: all 0.4s ease;
            filter: drop-shadow(0 0 10px rgba(255, 0, 0, 0.2));
        }

        nav.h-20 .logo-img { height: 45px; }

        @media (max-width: 768px) {
            .logo-img { height: 45px; }
            nav.h-20 .logo-img { height: 38px; }
        }