/* GENEL AYARLAR */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}


.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
}

/* HEADER / ÜST MENÜ */
.site-header {
    background-color: #1a2a3a; /* Arka fonu yazı/logo rengiyle aynı yaptık */
    padding: 15px 0;
    border-bottom: 1px solid #2c3e50;
    position: relative;
    z-index: 10;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: #ffffff; /* Logo yazısını arka plana zıt olacak şekilde beyaz yaptık */
    letter-spacing: 2px;
    line-height: 1;
}

.logo img {
    max-height: 80px; /* Logonun yüksekliğini ihtiyacına göre ayarlayabilirsin */
    width: auto;
    display: block;
}

.logo span {
    display: block;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 3px;
    color: #b0c4de; /* Alt slogan rengi */
    margin-top: 3px;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

.navbar ul li a {
    text-decoration: none;
    color: #ffffff; /* Menü yazılarını arka plan üzerinde okunabilir olması için beyaz yaptık */
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar ul li a:hover {
    color: #b0c4de; /* Üzerine gelince hafif ton değişimi */
}

/* HERO BÖLÜMÜ */
.hero-section {
    position: relative;
    height: 480px;
    background: url('img/hero_bg.jpg') no-repeat center center/cover;
    background-color: #eef2f5; /* Görsel yüklenemezse arka plan rengi */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.7), rgba(255,255,255,0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content h1 {
    font-size: 38px;
    color: #2c3e50;
    font-weight: 700;
    margin-bottom: 10px;
}

.hero-content p {
    font-size: 20px;
    color: #555;
    margin-bottom: 25px;
    font-weight: 400;
}

/* CTA BUTONU */
.cta-button {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(to bottom, #f9f9f9, #dcdcdc);
    color: #2c3e50;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    border-radius: 6px;
    border: 1px solid #b5b5b5;
    box-shadow: 0 4px 6px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: linear-gradient(to bottom, #ffffff, #efefef);
    box-shadow: 0 6px 10px rgba(0,0,0,0.12);
}

/* HİZMET KARTLARI */
.cards-section {
    position: relative;
    margin-top: -60px; /* Görselin üzerine hafif bindirme efekti */
    z-index: 20;
    padding-bottom: 50px;
}

.cards-container {
    display: flex;
    gap: 30px;
}

.card {
    background: #ffffff;
    flex: 1;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    padding: 30px;
    border: 1px solid #eaeaea;
}

.card-img {
    width: 130px;
    flex-shrink: 0;
    text-align: center;
}

.card-img img {
    max-width: 100%;
    height: auto;
}

.card-desc {
    padding-left: 20px;
}

.card-desc h3 {
    font-size: 18px;
    color: #1a2a3a;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}

.detail-link {
    text-decoration: none;
    color: #1a2a3a;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.detail-link:hover {
    color: #0056b3;
}