:root {
            --primary: #1F2937;    /* Koyu kurumsal renk */
            --accent: #F46E21;     /* Enerjik vurgu rengi (Turuncu) */
            --bg-light: #F9FAFB;   /* Ferah arka plan */
            --text-muted: #6B7280;
        }

        body {
            font-family: system-ui, -apple-system, sans-serif;
            background-color: var(--bg-light);
            color: var(--primary);
            margin: 0;
            padding: 0;
        }

        /* --- Sayfa Üst Bilgisi (Hero Section) --- */
        .page-header {
            background: linear-gradient(135deg, var(--primary) 0%, #111827 100%);
            color: white;
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-bottom: 4px solid var(--accent);
        }

        /* Arka plan deseni */
        .page-header::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: radial-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 30px 30px;
            opacity: 0.5;
        }

        .header-content {
            position: relative;
            z-index: 1;
        }

        .page-header h1 {
            font-weight: 800;
            font-size: 3rem;
            margin-bottom: 15px;
            letter-spacing: -1px;
        }

        .page-header p {
            font-size: 1.25rem;
            color: #D1D5DB;
            font-weight: 300;
        }

        /* --- Hizmet Kartları --- */
        .services-section {
            padding: 80px 0;
            margin-top: -40px; /* Kartları yukarı taşır */
        }

        .service-card {
            background: #ffffff;
            border-radius: 20px;
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            height: 100%;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-12px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            border-color: rgba(244, 110, 33, 0.2);
        }

        /* Kart İkon Alanı */
        .icon-box {
            width: 80px;
            height: 80px;
            background: rgba(244, 110, 33, 0.08);
            color: var(--accent);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin: 40px auto 20px;
            transition: all 0.3s ease;
            transform: rotate(-5deg);
        }

        .service-card:hover .icon-box {
            background: var(--accent);
            color: white;
            transform: rotate(0deg) scale(1.1);
        }

        .card-body {
            padding: 0 30px 40px;
            text-align: center;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .card-title {
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .card-text {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 25px;
            flex-grow: 1;
        }

        /* Butonlar */
        .btn-outline-custom {
            color: var(--primary);
            border: 2px solid #E5E7EB;
            background: transparent;
            border-radius: 50px;
            padding: 10px 24px;
            font-weight: 600;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
        }

        .btn-outline-custom:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
        }

        /* --- İletişim CTA Alanı --- */
        .cta-section {
            background: #ffffff;
            padding: 60px 0;
            border-top: 1px solid #E5E7EB;
            text-align: center;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(244, 110, 33, 0.3);
            transition: all 0.3s ease;
            display: inline-block;
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(244, 110, 33, 0.4);
            color: white;
        }