/* Başlangıçta navigasyonu gizle */
        .bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            width: 100%;
            border-top: 1px solid rgba(255, 255, 255, 0.18);
        }

        /* Tablet ve mobil için göster (1024px ve altı) */
        @media only screen and (max-width: 1024px) {
            .bottom-nav {
                display: block;
            }
        }

        .nav-container {
            display: flex;
            height: 75px;
            align-items: center;
            justify-content: space-between;
            max-width: 768px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .nav-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: #666;
            transition: all 0.3s ease;
            position: relative;
            padding: 8px;
        }

        .nav-item:active {
            transform: scale(0.95);
        }

        .nav-item.call-now {
            position: relative;
            margin-top: -30px;
        }

        .call-circle {
            background: linear-gradient(45deg, #7928CA, #FF0080);
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(255, 0, 128, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .call-now:hover .call-circle {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(255, 0, 128, 0.4);
        }

        .nav-icon {
            width: 24px;
            height: 24px;
            transition: transform 0.3s ease;
        }

        .call-circle .nav-icon {
            width: 30px;
            height: 30px;
            filter: brightness(0) invert(1);
        }

        .nav-text {
            font-size: 13px;
            margin-top: 6px;
            font-weight: 500;
            opacity: 0.9;
            transition: opacity 0.3s ease;
        }

        .nav-item:hover .nav-text {
            opacity: 1;
        }

        .call-now .nav-text {
            margin-top: 8px;
            background: linear-gradient(45deg, #7928CA, #FF0080);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 600;
        }

        /* Pulsing animation for call button */
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 0, 128, 0.4);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(255, 0, 128, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 0, 128, 0);
            }
        }

        .call-circle {
            animation: pulse 2s infinite;
        }

        /* Modern telefonlar için safe area desteği */
        @supports (padding: env(safe-area-inset-bottom)) {
            .bottom-nav {
                padding-bottom: env(safe-area-inset-bottom);
            }
        }

        /* Tablet için özel ayarlar */
        @media only screen and (min-width: 768px) and (max-width: 1024px) {
            .nav-container {
                height: 85px;
                max-width: 900px;
            }

            .call-circle {
                width: 70px;
                height: 70px;
            }

            .nav-text {
                font-size: 14px;
            }

            .call-circle .nav-icon {
                width: 32px;
                height: 32px;
            }
        }