@font-face {
    font-family: "Runda";
    src: url(../fonts/Runda_Normal.bab8a808.woff) format('woff');
}
@font-face {
    font-family: "FontAwesome";
    src: url(../fonts/webfonts/fa-regular-400.ttf) format('ttf'), url(../fonts/webfonts/fa-regular-400.woff2) format('woff2');
}
* {
    margin: 0;
    font-family: "Runda";
}
body {
    margin: 0;
    font-family: "Runda";
    overflow-x: hidden;
    background: #adceff;
}
footer {
    position: relative;
    width: 100%;
}
.inner_footer {
    width: 95%;
    display: block;
    margin: auto;
    padding: 20px 0px;
    border-top: 1px solid #fff;
}
h1 {
    font-size: 6vw;
    text-align: center;
    line-height: 0.9;
    font-weight: 400;
}
span.subtitle {
    font-size: 0.7em;
    color: #387ebb;
}
p {
    font-family: "Runda";
    text-align: center;
    font-size: 18px;
    color: #000000;
}
.container_logo {
    width: calc(100% - 6vw);
    height: 66px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    background-color: #fff;
    padding: 0 3vw;
}
a.logo {
    height: 18px;
}
a.logo img {
    height: 18px;
    width: auto;
}
.hero_container {
    width: 100vw;
    height: 800px;
    background: url(../media/Lighthouse_Hill_Road_Water_DuskSSO1875033262.jpg);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    position: relative;
}
.hero_txt_container {
    width: 1300px;
    max-width: 95vw;
    display: block;
    margin: auto;
    text-align: left;
    z-index: 1;
}
.hero_container:after {
    content:'';
    width: 100%;
    height: 100%;
    background: rgb(18 31 51 / 30%);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}
.hero_txt_container h1, .hero_txt_container p {
    text-align: left;
    color: #ffffff;
}
.container_txt {
    width: 1300px;
    max-width: 95vw;
    display: block;
    margin: auto;
    text-align: left;
}
.container_txt p {
    text-align: left;
}
.table_container {
    margin: auto;
    margin-top: 10px;
    margin-bottom: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.fold_container {
    width: 1300px;
    max-width: 95vw;
    margin: auto;
    margin-top: 20px;
    margin-bottom: 20px;
}
.fold_container details {
    padding: 30px 20px;
    background: rgb(255 255 255 / 100%);
    backdrop-filter: blur(3px);
    margin: 5px 0;
    border-radius: 10px;
}
.fold_container summary {
    font-size: 1em;
    line-height: 1.5;
    color: #121f33;
}
.fold_container details details {
    padding: 0 0 0 10px;
}
.table_container table {
    width: 95%;
    text-align: left;
    padding: 15px 0;
}
.table_container th, .table_container td {
    padding: 10px;
    color: #121f33;
    border-bottom: 1px solid #121f33;
}
.table_container th {
    background: rgb(173 206 255 / 30%);
}
.inner_footer p {
    font-size: 0.7em;
}
.table_container td img {
    height: 20px;
    display: block;
}
.table_container td:has(img) {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    padding: 0;
}
.table_container td:has(img) a:hover {
    background: #000000;
}
.table_container td:has(img) a:hover img {
    width: 0;
    transition: all 0.3s ease;
}
.table_container td a {
    height: 36px;
    display: flex;
    background: #121f33;
    justify-content: center;
    align-items: center;
    text-decoration: none;   
}
.table_container td:has(img) span {
    overflow: hidden;
    width: 0px;
}
.table_container td:has(img) a:hover span {
    overflow: hidden;
    width: 74px;
    transition: all 0.3s ease;
}
.table_container td:has(img) span {
    color: #fff;
    text-decoration: none;
    line-height: 1;
    margin-left: 10px;
}
summary h2, summary h3, summary h4, summary h5, summary h6 {
    display: inline;
} 
summary.collapse {
    margin-top: 1em;
}
.fold_container details summary h3, .fold_container details summary h4, .fold_container details summary h5, .fold_container details summary h6 {
    font-size: 16px;
    line-height: 1;
}
.fold_container details details .table_container table {
    width: 97%;
    margin-right: 3%;
}
.collapsible {
    border-left: 4px solid rgb(173 206 255 / 30%);
    padding-left: 1em;
    margin-lef: 0.75em;
}
.fold_container summary::marker {
    content: '\f07b ';
    font-family: FontAwesome;
    font-size: 1.2em;
}
.fold_container summary h2, .fold_container summary h3, .fold_container summary h4, .fold_container summary h5, .fold_container summary h6 {
    padding-left: 5px;
}
.fold_container details[open]>summary::marker {
    content: '\f07c';
}
/**** optimization ****/
@media (max-width: 1000px) {
    a.logo img {
        width: 50vw;
    }
    .table_container td:has(img) a:hover img {
        opacity: 0;
    }
}
@media (max-width: 768px) {
    h1 {
        font-size: 10vw;
    }
    .table_container td {
        display: block;
    }
    .table_container thead {
        display: none;
    }
    .table_container tr td:nth-child(1):before {
        content: 'File Name: ';
    }
    .table_container tr td:nth-child(2):before {
        content: 'File Type: ';
    }
    .table_container tr td:nth-child(3):before {
        content: 'File Size: ';
    }
    .table_container tr:nth-child(even) {
        background: rgb(173 206 255 / 20%);
    }
    .hero_txt_container {
        max-width: 90vw;
    }
    .hero_container {
        height: 500px;
    }
    .fold_container details details {
        padding: 0;
    }
    .collapsible {
        border-left: 0;
        padding-left: 10px;
    }
}
@media (max-width: 480px) {
    .fold_container details {
        padding: 20px 20px;
    }
    .collapsible {
        border-left: 1px solid #121f33;
        padding-left: 10px;
    }
    .fold_container details details .table_container table {
        margin: 0;
        width: 100%;
        display: block;
    }
    .table_container tbody, .table_container tr, .table_container td {
        display: block;
        width: 100%;
        position: relative;
    }
    .table_container td {
        padding: 10px 0;
    }
}