/* OPTIMIERUNG: CSS-Variablen für einfache Wartung */
:root {
    /* Farben */
    --color-background: #ebebeb;
    --color-text: #0a0a0a;
    --color-background-box: #fff;
    --color-header-background: #063;
    --color-header-text: #fff;
    --color-header-slogan: #6cc1ef;
    --color-link: #00f;
    --color-link-visited: purple;
    --color-link-active-bg: #ff0;
    --color-footer-background: #f7f7f7;

    /* Schriftarten & Typografie */
    --font-family-base: Georgia, serif;
    --font-size-base: 101%;
    --line-height-base: 1.5;
    --font-size-adjust-base: .58;

    /* Abstände */
    --spacing-base: 10px;
    --spacing-small: 5px;
}

/* === GRUNDEINSTELLUNGEN === */
body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-size-adjust: var(--font-size-adjust-base);
    line-height: 1.3;
    background-color: var(--color-background);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--spacing-base);
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
    grid-template-areas:
        "top"
        "nav"
        "mitte"
        "unten";
}

p {
    margin-top: 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

a {
    color: var(--color-link);
    text-decoration: none;
    background-color: transparent;
}

a:visited {
    color: var(--color-link-visited);
}

a:hover {
    text-decoration: underline;
}

a:active {
    background-color: var(--color-link-active-bg);
    text-decoration: none;
}

/* === LAYOUT-BEREICHE (HEADER, NAV, MAIN, FOOTER) === */
header {
    grid-area: top;
    background-color: var(--color-header-background);
    color: var(--color-header-text);
    padding: var(--spacing-small);
    text-align: center;
}

.titleheader {
    font-size: 2.2em;
    font-weight: 400;
    margin: 3px auto 7px;
    text-shadow: .1em .1em .2em rgba(0, 0, 0, .7);
}

.slogan {
    color: var(--color-header-slogan);
    font-weight: 400;
    text-shadow: .1em .1em .2em rgba(0, 0, 0, .7);
    margin: 0;
}

nav {
    grid-area: nav;
}

main {
    grid-area: mitte;
    display: grid;
    gap: var(--spacing-base);
    grid-auto-flow: row dense;
    /* Das responsive Grid für die Artikel */
    grid-template-columns: repeat(auto-fit, minmax(25ch, 1fr));
}

footer {
    grid-area: unten;
    background-color: var(--color-footer-background);
    padding: var(--spacing-small);
    font-size: 75%;
}

/* === KOMPONENTEN & KLASSEN === */
.box,
.item {
    background-color: var(--color-background-box);
    padding: var(--spacing-small);
    word-wrap: break-word; /* Verhindert Textüberlauf */
}

.navigation {
    line-height: 1.75;
}

.title {
    text-align: center;
    margin: 10px auto 5px;
    font-weight: 400;
    text-shadow: .1em .1em .2em rgba(0, 0, 0, .2);
    column-span: all;
}

.seitenanfang {
    /* Erlaubt dem Link, sich über alle Spalten zu erstrecken */
    grid-column: 1 / -1;
}


/* Raster-Größen für die Artikel */
.item.one {
    grid-column: span 1;
    grid-row: span 1;
}

.item.norm {
    grid-column: span 2;
    grid-row: span 1;
    column-width: 25ch;
	column-rule: dotted #d0d0d0
}

.item.med {
    grid-column: span 3;
    grid-row: span 1;
    column-width: 25ch;
	column-rule: dotted #d0d0d0
}

.item.big {
    grid-column: span 4;
    grid-row: span 1;
    column-width: 25ch;
	column-rule: dotted #d0d0d0
}

.item.center {
	place-content: normal
}

.spacer {
	clear: both
}

/*big,.med,.norm {
	grid-column: span 2;
	grid-row: span 1;
	column-width: 25ch;
	column-rule: dotted #d0d0d0
}*/

/* === RESPONSIVE ANPASSUNGEN (MEDIA QUERIES) === */
@media screen and (max-width: 767px) {
    body {
        gap: 0.5rem;
    }

    /* Auf kleinen Bildschirmen nehmen alle Artikel nur eine Spalte ein */
    main {
        grid-template-columns: 1fr;
    }

    .item.one,
    .item.norm,
    .item.med,
    .item.big {
        grid-column: span 1;
        grid-row: span 1;
    }
}