body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f4f4;
}

/* HEADER */
.header {
    width: 100%;
    background: #0a7cff;
    color: #fff;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    z-index: 10;
}

.logo {
    font-size: 22px;
    font-weight: bold;
}

.nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 15px;
    font-weight: bold;
}

/* HERO */
.hero {
    padding-top: 300px;
        padding-bottom: 300px;
        background-image: url("img/yeni.jpg");
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;
}

.hero h1 {
    font-size: 36px;
    color:#f3efef(11, 38, 155, 0.486);
    text-shadow: 0 0 10px #e7e7e7;
}

.hero p {
    font-size: 18px;
    color: #143cecea;
    margin-top: 10px;
}

.call-btn {
    display: inline-block;
    margin-top: 25px;
    background: #00d600;
    padding: 12px 25px;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 18px;
}

/* CONTENT */
.content, .services, footer {
    padding: 40px 20px;
    background: #fff;
    margin-top: 20px;
}

.services {
    text-align: center;
}

.service-box {
    display: inline-block;
    width: 220px;
    background: #eef1f3;
    padding: 10px;
    margin: 15px;
    border-radius: 10px;
    box-shadow: 0 0 10px #ccc;
}

.service-box img {
    width: 100%;
    border-radius: 10px;
}

footer {
    background: #0a7cff;
    color: #fff;
    text-align: center;
}

footer a {
    color: #fff;
    font-weight: bold;
}