*, *::before, *::after {
  box-sizing: border-box;
}

:root {
    --col-white: #FFFFFF;
    --col-light: #F5F5F5;
    --col-medium: #E0E0E0;
    --col-dark: #2E2E2E;
    --flex-gap: 0.5em;
}

body>* {
    margin: 0.5rem;
    padding:0.5rem;
    border-radius: 0.5rem;
    font-family: 'Arial', sans-serif;
}

body {
    background: url('../img/banner.webp') no-repeat center center fixed;
    background-size: cover;
}

h1 {
    font-size: 3em;
}
.grid-container {
    background-color: rgba(255, 255, 255, 0.7); /* Weiß mit Transparenz (0.7) */
    display: grid;
    height: 98vh;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto 1fr auto;
    grid-template-areas:
        "navi navi"
        "willkommen willkommen"
        "etf anlagen"
        "info info"
        "fuss fuss";
    justify-items: center;
}

.willkommen {
    grid-area: willkommen;
    width: 100%;
    text-align: center;
    padding-top: 2vh;
    padding-bottom: 2vh;
}

.navi {
    grid-area: navi;
    width: 100%;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
    padding: 0.6rem;
    margin: 0;
    background-color: var(--col-dark);
    border-radius: 0.5rem;
}

nav li {
    margin: 0.2rem;
}

nav a {
    display: block;
    padding: 5px 10px;
    text-decoration: none;
    background-color: var(--col-light);
    color: var(--col-dark);
    border-radius: 5px;
    font-weight: bold;
    font-size: 1.5em;
}

.etf {
    grid-area: etf;
    padding: 15px 15px 0px 15px;
}

.anlagen {
    grid-area: anlagen;
}

.etf, .anlagen {
    max-width: 80%;
    border-style: solid;
    border-color: var(--col-dark);
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.7);
    margin: 0.5em;
}

.info {
    grid-area: info;
    width: 100%;
    text-align: center;
    padding-top: 2vh;
}

.fuss{
    grid-area: fuss;
    width: 100%;
    background-color: var(--col-dark);
    color: var(--col-light);
    text-align: center;
    border-radius: 0.5rem;
}

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

.info p {
    font-size: 1.5em;
}

/*--------------------------------------------*/
@media (max-width: 768px) {
  
    .grid-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto 1fr auto;
        grid-template-areas:
            "navi"
            "willkommen"
            "etf"
            "anlagen"
            "info"
            "fuss";
        grid-row-gap: 1vh;
        height: auto;
    }
    h1 {
        font-size: 2em;
    }
    nav a {
        font-size: 1em;
    }
    .willkommen {
        padding-top: 0vh;
        padding-bottom: 0vh;
    }
    .info {
    padding-top: 0vh;
    }
}

@media (max-width: 768px) and (orientation: landscape) {
    .grid-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto 1fr auto;
        grid-template-areas:
            "navi"
            "willkommen"
            "etf"
            "anlagen"
            "info"
            "fuss";
        grid-row-gap: 1vh;
        height: auto;
    }
}