* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f1f5f9;
    color: #263449;
}

header {
    background-color: #17365d;
    color: white;
    text-align: center;
    padding: 35px 20px;
}

header h1 {
    font-size: 42px;
    margin-bottom: 10px;
}

nav {
    background-color: #285785;
    padding: 15px;
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

nav a:hover {
    color: #ffd166;
}

main {
    max-width: 850px;
    margin: 30px auto;
    padding: 20px;
}

section {
    background-color: white;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.esittely {
    text-align: center;
}

.esittely img {
    width: 250px;
    max-width: 100%;
    border-radius: 12px;
    margin-top: 15px;
}

.laskuri {
    display: flex;
    flex-direction: column;
}

.laskuri label {
    font-weight: bold;
    margin-top: 15px;
}

.laskuri input {
    padding: 12px;
    margin-top: 7px;
    border: 1px solid #aaa;
    border-radius: 6px;
    font-size: 16px;
}

.painikkeet {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

button {
    background-color: #285785;
    color: white;
    border: none;
    padding: 13px;
    border-radius: 7px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background-color: #17365d;
}

#tulos {
    background-color: #e2efff;
    padding: 18px;
    border-radius: 7px;
    text-align: center;
    margin-top: 20px;
}

.wordpress {
    text-align: center;
}

.linkkipainike {
    display: inline-block;
    background-color: #285785;
    color: white;
    text-decoration: none;
    padding: 13px 20px;
    border-radius: 7px;
    margin-top: 10px;
}

.linkkipainike:hover {
    background-color: #17365d;
}

footer {
    background-color: #17365d;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 32px;
    }

    nav a {
        display: block;
        margin: 10px;
    }

    main {
        padding: 12px;
    }
}
nav a {
    display: inline-block;
    background-color: #285785;
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 8px;
    margin: 5px;
    font-weight: bold;
}

nav a:hover {
    background-color: #17365d;
}