  :root {
            --primary: #0056b3;
            --secondary: #28a745;
            --dark: #343a40;
            --light: #f8f9fa;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
        }
        
        .hero-section {
            background: linear-gradient(rgba(0, 86, 179, 0.9), rgba(0, 86, 179, 0.7)), url('https://www.logodestek.tr/images/logo-erp-background.webp');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 0;
        }
        
        .cta-button {
            background-color: var(--secondary);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .cta-button:hover {
            background-color: #218838;
            transform: translateY(-2px);
            box-shadow: 0 6px 8px rgba(0,0,0,0.15);
        }
        
        .whatsapp-button {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1000;
            background-color: #25D366;
            color: white;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            justify-content: center;
            align-items: center;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            transition: all 0.3s ease;
        }
        
        .whatsapp-button:hover {
            transform: scale(1.1);
        }
        
        .service-card {
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        footer {
            background-color: var(--dark);
            color: white;
            padding: 30px 0;
        }
        
        .section-title {
            position: relative;
            margin-bottom: 40px;
            padding-bottom: 15px;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary);
        }
        
        .contact-info i {
            color: var(--primary);
            margin-right: 10px;
        }

.whatsapp-link {
    display: inline-block;
    margin-top: 15px;
    text-decoration: none;
}

.whatsapp-icon {
    width: 40px; /* Adjust the icon size */
    height: 40px;
    transition: transform 0.3s ease;
}

.whatsapp-icon:hover {
    transform: scale(1.1);
}


/* Popup Styles */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.popup-content {
    position: relative;
    background-color: #fff;
    padding: 20px;
    margin: 10% auto;
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.popup-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 20px;
    cursor: pointer;
}

.popup-buttons {
    margin-top: 15px;
}

.popup .btn {
    display: block;
    margin: 10px auto;
    width: 80%;
}

/* Service card improvements */
.service-card { position: relative; } /* needed for .stretched-link */
.service-card .card-title a.modern-link {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding-right: .5rem;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.service-card .card-title a.modern-link .arrow {
  font-size: 1.1em;
  transition: transform .2s ease;
}
.service-card:hover .card-title a.modern-link {
  color: #c8102e;
  border-color: rgba(200,16,46,.35);
}
.service-card:hover .card-title a.modern-link .arrow {
  transform: translateX(4px);
}
.service-card .card-title a.modern-link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 .2rem rgba(200,16,46,.25);
  border-color: rgba(200,16,46,.6);
}

/* Soft badge (used in inner pages too) */
.badge-soft { background: rgba(200,16,46,.1); color: #c8102e; }


/* Global section styles used by inner pages */
.hero-section{background:linear-gradient(135deg,#c8102e 0%,#ff5a5f 100%);color:#fff;padding:64px 0;border-radius:0 0 16px 16px}
.cta-button{background:#fff;color:#c8102e;border-radius:999px;padding:.75rem 1.5rem;font-weight:600}
.cta-button:hover{opacity:.9;color:#c8102e}
.section-title{font-weight:700;margin-bottom:1.5rem}
.feature-icon{width:56px;height:56px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#f8f9fa;color:#c8102e;font-size:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.service-card{position:relative;transition:transform .2s ease, box-shadow .2s ease}
.service-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(0,0,0,.08)!important}
.badge-soft{background:rgba(200,16,46,.1);color:#c8102e}

/* Modern link for service cards */
.service-card .card-title a.modern-link{color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;padding-right:.5rem;border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}
.service-card .card-title a.modern-link .arrow{font-size:1.1em;transition:transform .2s ease}
.service-card:hover .card-title a.modern-link{color:#c8102e;border-color:rgba(200,16,46,.35)}
.service-card:hover .card-title a.modern-link .arrow{transform:translateX(4px)}
.service-card .card-title a.modern-link:focus-visible{outline:none;box-shadow:0 0 0 .2rem rgba(200,16,46,.25);border-color:rgba(200,16,46,.6)}