/* Genel Ayarlar */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; line-height: 1.6; color: #333; background: #f9f9f9; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.main-header { background: #fff; height: 80px; display: flex; align-items: center; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
.main-header .container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo a { font-size: 24px; font-weight: 700; text-decoration: none; color: #333; }
.logo span { color: #007bff; }
.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-links a { text-decoration: none; color: #333; font-weight: 500; transition: 0.3s; }
.nav-links a:hover { color: #007bff; }

/* Hero */
.hero { background: #1a1a1a; color: #fff; padding: 100px 0; text-align: center; }
.hero h1 { font-size: 50px; margin-bottom: 20px; }
.hero span { color: #007bff; }
.btn-primary { display: inline-block; padding: 12px 30px; background: #007bff; color: #fff; text-decoration: none; border-radius: 5px; margin-top: 20px; transition: 0.3s; }
.btn-primary:hover { background: #0056b3; }

/* Footer */
.main-footer { background: #333; color: #fff; padding: 40px 0; margin-top: 50px; text-align: center; }
.footer-content { display: flex; flex-direction: column; gap: 20px; }
.social-links a { color: #fff; font-size: 20px; margin: 0 10px; transition: 0.3s; }
.social-links a:hover { color: #007bff; }
/* Sabit WhatsApp Butonu */
.whatsapp-fixed {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 9999;
    transition: 0.3s;
}

.whatsapp-fixed:hover {
    transform: scale(1.05);
    background-color: #128c7e;
    color: #fff;
}

.whatsapp-fixed i {
    font-size: 24px;
}

/* İletişim Bölümü Kartları */
.contact-section { padding: 80px 0; background: #fff; text-align: center; }
.contact-grid { display: flex; justify-content: center; margin-top: 40px; }
.contact-info { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 20px;
    width: 100%;
}
.info-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: 0.3s;
}
.info-item i { font-size: 2rem; color: #007bff; margin-bottom: 15px; }
.info-item p { font-size: 1rem; color: #555; }
.info-item a { text-decoration: none; color: inherit; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header p { color: #666; font-size: 1.1rem; }

.service-card {
    background: #fff;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.card-icon i { font-size: 2rem; color: #007bff; }

.service-card h3 { font-weight: 700; margin-bottom: 15px; color: #222; }
.service-card p { color: #777; font-size: 0.95rem; line-height: 1.7; }

.card-footer { margin-top: 20px; font-weight: 600; font-size: 0.9rem; color: #007bff; opacity: 0; transition: 0.3s; }
.service-card:hover { transform: translateY(-12px); box-shadow: 0 20px 50px rgba(0,123,255,0.1); }
.service-card:hover .card-footer { opacity: 1; }