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

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header {
    background: #003366; /* Mavi tonlarý */
    color: #fff;
    padding: 10px 0;
    min-height: 70px;
    border-bottom: #ff6600 3px solid; /* Turuncu tonlarý */
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .logo-container {
    display: flex;
    align-items: center;
}

header .logo {
    width: 60px;
    height: auto;
    margin-bottom: 10px;
}

header .site-title {
    margin-left: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

header .site-title h1 {
    margin: 0;
    font-size: 24px;
    font-weight: bold;
}

header .site-title p {
    margin: 0;
    font-size: 14px;
}

header .main-menu ul {
    list-style: none;
    display: flex;
    gap: 15px;
}

header .main-menu ul li {
    margin: 0;
}

header .main-menu ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

header .main-menu ul li a.btn-header {
    background: #ff6600; /* Turuncu tonlarý */
    padding: 5px 10px;
    border-radius: 5px;
}

header .main-menu ul li a.btn-header:hover {
    background: #cc5200; /* Daha koyu turuncu tonlarý */
    text-decoration: none;
}

header .main-menu ul li a:hover {
    text-decoration: underline;
}

.hero {
    width: 100%;
    height: auto;
}

.hero img {
    width: 100%;
    height: auto;
}

main .container {
    margin-top: 30px;
    text-align: center;
}

main .container h2 {
    font-size: 24px;
    color: #003366; /* Mavi tonlarý */
}

main .container p {
    font-size: 18px;
    margin: 20px 0;
    color: #333;
}

main .container .btn {
    display: inline-block;
    background: #ff6600; /* Turuncu tonlarý */
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    margin: 10px;
}

main .container .btn:hover {
    background: #cc5200; /* Daha koyu turuncu tonlarý */
}

footer {
    background: #003366; /* Mavi tonlarý */
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: relative;
    width: 100%;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    header .container, main .container, footer .container {
        width: 100%;
        padding: 0 20px;
    }

    header .logo {
        width: 40px;
    }

    main .container h2 {
        font-size: 20px;
    }

    main .container p {
        font-size: 16px;
    }

    main .container .btn {
        padding: 8px 16px;
        font-size: 14px;
    }
}