body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #f4f7fa;
    color: #333;
}

header {
    background: #101820;
    color: white;
    padding: 1rem 0;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav a {
    color: white;
    margin-left: 20px;
    text-decoration: none;
    font-weight: 500;
}

.nav a:hover {
    text-decoration: underline;
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background: url('/assets/images/background.png') no-repeat center center/cover !important;
    background-size: cover;
    color: white;
    position: relative;
}

.hero .main-logo {
    width: 120px;
    height: auto;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    background: white;
    color: #1f7aed;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
}

.btn:hover {
    background: #e6e6e6;
}

.portfolio, .about, .contact, .portfolio-gallery {
    padding: 60px 20px;
    text-align: center;
}

.company-logos img {
    width: 100px;
    margin: 15px;
    filter: grayscale(100%);
    transition: 0.3s;
}

.company-logos img:hover {
    filter: none;
    transform: scale(1.1);
}

footer {
    background: #101820;
    color: white;
    text-align: center;
    padding: 15px 0;
    margin-top: 40px;
}

.gallery {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.gallery-item {
    background: #ddd;
    padding: 60px;
    border-radius: 10px;
}

.nav-logo {
    display: inline-block;
    height: 28px;            /* Menüye uygun yükseklik */
    width: auto;
    max-width: 160px;        /* Genişliği sınırlıyor */
    object-fit: contain;     /* Görseli kırpmadan sığdırır */
    vertical-align: middle;
    margin-top: -4px;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.03);
}