/* Datei: /assets/css/style.css */

* {
    box-sizing: border-box;
}

html {
    font-size: 100%;
}

body {
    margin: 0;
    padding: 0;

    color: #1f2d3a;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    line-height: 1.55;

    background: #164871;
}

img {
    max-width: 100%;
    height: auto;
    border: 0;
}

a {
    color: #164871;
    font-weight: 700;
}

a:hover,
a:focus {
    color: #0f2f4d;
}

#container {
    width: min(100%, 960px);
    margin: 0 auto;
    padding: 0 0.75rem 1rem;
}

#site-header {
    margin-top: 0.75rem;
    background: #ffffff;
}

#header {
    display: block;
    width: 100%;
    height: auto;
}

#nav {
    margin: 0;
    padding: 0.45rem;

    background: #a5cae5;
}

#nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;

    margin: 0;
    padding: 0;

    list-style: none;
}

#nav li {
    flex: 1 1 auto;
}

#nav a {
    display: block;
    min-height: 2.5rem;
    padding: 0.65rem 0.55rem;

    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;

    background: #245882;
    border-radius: 6px;
}

#nav a:hover,
#nav a:focus {
    color: #ffffff;
    background: #164871;
}

#content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 1rem;

    padding: 1rem;

    background: #a5cae5;
}

#left,
#right {
    min-width: 0;
}

.post {
    padding: 1.2rem;

    background: #ffffff;
    border-radius: 10px;
}

.post h1 {
    margin: 0 0 1rem;

    color: #164871;
    font-size: 1.85rem;
    line-height: 1.2;
}

.post h2 {
    margin: 1.6rem 0 0.65rem;

    color: #164871;
    font-size: 1.35rem;
    line-height: 1.25;
}

.post h3 {
    margin: 1.2rem 0 0.45rem;

    color: #164871;
    font-size: 1.1rem;
}

.post p {
    margin: 0 0 1rem;
}

.post ul {
    margin: 0 0 1rem 1.2rem;
    padding: 0;
}

.post li {
    margin-bottom: 0.35rem;
}

.lead {
    font-size: 1.12rem;
    font-weight: 700;
}

.content-card {
    margin: 1.4rem 0;
    padding: 1rem;

    background: #f3f9fe;
    border: 1px solid rgba(22, 72, 113, 0.18);
    border-radius: 10px;
}

.button {
    display: inline-block;
    padding: 0.65rem 0.9rem;

    color: #ffffff;
    font-weight: 700;
    line-height: 1.25;
    text-decoration: none;

    background: #164871;
    border-radius: 6px;
}

.button:hover,
.button:focus {
    color: #ffffff;
    background: #0f2f4d;
}

#right {
    color: #ffffff;
}

.sidebar-box {
    margin-bottom: 1rem;
    padding: 1rem;

    background: #397eb7;
    border-radius: 10px;
}

.sidebar-box h2 {
    margin: 0 0 0.7rem;

    color: #ffffff;
    font-size: 1.15rem;
    line-height: 1.25;
}

.sidebar-box p {
    margin: 0 0 0.8rem;
}

.sidebar-box a {
    color: #ffffff;
}

.sidebar-button {
    display: block;
    margin: 0.45rem 0;
    padding: 0.55rem 0.7rem;

    color: #ffffff;
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;

    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 6px;
}

.sidebar-button:hover,
.sidebar-button:focus {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.24);
}

#footer {
    padding: 1rem 0;

    color: #ffffff;
    text-align: center;
}

#footer p {
    margin: 0.35rem 0;
}

#footer a {
    color: #ffffff;
}

#copyright {
    color: #d6dce2;
    font-size: 0.9rem;
}

#datenschutz {
    font-size: 0.9rem;
}

@media screen and (max-width: 900px) and (min-width: 761px) {
    #nav li {
        flex: 1 1 calc(33.333% - 0.45rem);
    }

    #nav a {
        min-height: 2.55rem;
        padding: 0.65rem 0.45rem;

        font-size: 0.9rem;
        white-space: normal;
    }
}

@media screen and (max-width: 760px) {
    #content {
        display: block;
        padding: 0.75rem;
    }

    #right {
        margin-top: 1rem;
    }

    .post {
        padding: 1rem;
    }

    .post h1 {
        font-size: 1.55rem;
    }

    #nav li {
        flex: 1 1 calc(50% - 0.45rem);
    }

    #nav a {
        white-space: normal;
    }
}

@media screen and (max-width: 420px) {
    #container {
        padding: 0;
    }

    #site-header {
        margin-top: 0;
    }

    #nav li {
        flex: 1 1 100%;
    }

    #nav a {
        text-align: left;
    }

    #content {
        padding: 0.55rem;
    }

    .post {
        padding: 0.85rem;
    }

    .post h1 {
        font-size: 1.35rem;
    }
}