.grid-container {
    height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: auto 90% auto auto;
    grid-template-areas:
        "nav nav nav nav"
        "header header header header"
        "section1 section1 section1 section1"
        "footer footer footer footer";
}

.grid-container header {
    grid-area: header;
    width: 100%;
    margin-top: 4rem;
    display: flex;
    justify-content: flex-start;
    background-image: url("../../assets/images/hg_special.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.grid-container header .header-text {
    width: 80%;
    margin: 2rem auto 0 auto;
    color: #ffffff;
}

.grid-container header .header-text h1 {
    display: block;
}

.grid-container header .header-text p {
    margin-top: 0rem;
}

.grid-container .section1 {
    grid-area: section1;
    width: 100%;
    border-bottom: 1px solid #cccdcc;
 }

.grid-container .section1 .section-text {
     margin: 2rem auto 2rem auto;
     width: 80%;
     color: #000000;
 }

.grid-container .section1 .section-text ul {
    font-weight: 200;
    font-size: 1.1rem;
    line-height: 1.8rem;
    letter-spacing: 0.07rem;
    margin: 0.5rem 0 0rem 2.9rem;
}

.grid-container .section1 .explanations {
    margin-top: 1.5rem;
 }

.grid-container .section1 .explanations details[open] summary ~ * {
    animation: sweep .5s ease-in-out;
}

@keyframes sweep {
  0%    {opacity: 0; margin-left: -10px}
  100%  {opacity: 1; margin-left: 0px}
}

.grid-container .section1 .explanations details summary {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 2.5rem;
    letter-spacing: 0.07rem;
    cursor: pointer;
}

.grid-container .section1 .explanations details summary:hover {
    font-weight: 800;
}

.grid-container .section1 .explanations details p {
    padding: 0.5rem 0 0.5rem 1.6rem;
}

.grid-container .section1 .explanations details summary::-webkit-details-marker {
    display: none;
}

.grid-container .section1 .explanations details summary::before {
  margin-right: 1ch;
  display: inline-block;
  transition: 0.2s;
  font-family: "ionicons";
  content: '\f3d1';
  color: #cd5a36;
  font-size: 1.3rem;
  transform: rotate(90deg);
}

.grid-container .section1 .explanations details[open] summary::before {
  transform: rotate(-90deg);
}

@media screen and (max-width: 1024px) {

    .grid-container {
        height: 100vh;
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: auto 90% auto auto;
        grid-template-areas:
            "nav"
            "header"
            "section1"
            "footer";
    }

    .grid-container nav .logo-wrapper {
        position: static;
        display: flex;
        flex-flow: row wrap;
        justify-content: center;
        margin: 0.5rem 0 0 0;
    }

    .grid-container nav ul {
        display: flex;
        flex-flow: row wrap;
        justify-content: center;
        gap: 0 1.5rem;
        margin: 0.5rem 0 0.5rem 0;
    }

    .grid-container header {
        margin-top: 6rem;
    }

    .grid-container header .header-text h1 {
        font-size: calc(2vw + 2rem);
        line-height: 3.5rem;
        hyphens: manual;
    }
}