/* Temel Ayarlar */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { line-height: 1.6; color: #333; background-color: #f9f9f9; }
.container { width: 90%; max-width: 1200px; margin: auto; }
a { text-decoration: none; }

/* Renk Paleti */
:root {
    --primary-color: #0056b3; /* Güven veren Mavi */
    --accent-color: #ff4500; /* Aksiyon Turuncusu/Kırmızısı */
    --whatsapp-color: #25d366;
    --text-dark: #333;
    --light-bg: #f4f4f4;
}

/* Üst Bar */
.top-bar { background: var(--text-dark); color: #fff; padding: 8px 0; font-size: 14px; }
.top-bar .container { display: flex; justify-content: space-between; }
.top-bar i { color: var(--accent-color); margin-right: 5px; }

/* Header */
header { background: #fff; padding: 15px 0; box-shadow: 0 2px 5px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; }
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo h1 { font-size: 24px; color: var(--text-dark); }
.logo span { color: var(--primary-color); }
.nav-menu ul { list-style: none; display: flex; gap: 20px; }
.nav-menu a { color: var(--text-dark); font-weight: 600; transition: color 0.3s; }
.nav-menu a:hover { color: var(--primary-color); }
.btn-call { background: var(--accent-color); color: #fff; padding: 10px 20px; border-radius: 5px; font-weight: bold; }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }

/* Hero Section */
.hero { background: linear-gradient(rgba(0,86,179,0.8), rgba(0,86,179,0.8)), url('kombi-bg.jpg') center/cover; color: #fff; padding: 100px 0; text-align: center; }
.hero-content h2 { font-size: 40px; margin-bottom: 20px; }
.hero-content p { font-size: 18px; margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto; }
.hero-buttons { display: flex; gap: 15px; justify-content: center; }
.btn-primary { background: var(--accent-color); color: #fff; padding: 15px 30px; font-size: 18px; font-weight: bold; border-radius: 5px; }
.btn-whatsapp { background: var(--whatsapp-color); color: #fff; padding: 15px 30px; font-size: 18px; font-weight: bold; border-radius: 5px; }

/* Hizmetler */
.services { padding: 60px 0; background: #fff; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title h2 { color: var(--primary-color); font-size: 32px; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-card { background: var(--light-bg); padding: 30px; border-radius: 8px; text-align: center; transition: transform 0.3s; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.service-card i { font-size: 40px; color: var(--primary-color); margin-bottom: 20px; }

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .nav-menu, .header-contact { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-buttons { flex-direction: column; }
    .top-bar { display: none; }
}