@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,400;0,500;0,700;1,100;1,500&display=swap");
html,
body {
    /* background: #7CF7FF; 
background: -webkit-linear-gradient(to left, #7CF7FF, #4B73FF); 
background: linear-gradient(to left, #7CF7FF, #4B73FF); */
    background: url(/assets/aurora.jpg) bottom no-repeat transparent;
    background-color: rgb(47 186 210);
    background-size: cover;
    height: 100vh;
    margin: 0;
    padding: 0;
    font-family: "Poppins", sans-serif;
}

a:link {
    text-decoration: none;
}

a:visited {
    text-decoration: #001;
}


/* story11 */

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
}

#nav-list {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #001;
}

.nav-ul li:not(:first-child) {
    float: right;
}

.nav-ul a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.proj li {
    color: black;
    text-decoration: none;
    list-style-type: none;
}


/* story10 200~The height of the welcome section should be equal to the height of the viewport. */

#welcome-section {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    height: 100vh;
    margin-bottom: 2rem;
    /* background-color: rgba(255, 255, 255, .1); */
}

#projects {
    max-width: 80%;
    height: auto;
}

section {
    /* background-color: rgba(255, 255, 255, .1); */
    /* background-blend-mode: lighten; */
    border-radius: 6px;
    padding-top: 2rem;
    /* padding: 2rem; */
    width: auto;
    margin: 0 auto;
    /* box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.363); */
    top: 1em;
    margin-bottom: 2rem;
}

div h1 {
    color: whitesmoke;
    text-align: center;
    font-size: 5rem;
    text-shadow: 1px 1px 10px whitesmoke;
    padding-bottom: 5em;
}

.indicator {
    margin: 0 auto;
    padding: 0;
    display: flex;
    /* height: 100vh; */
    justify-content: center;
    align-items: flex-end;
    font-family: sans-serif;
    /* background: transparent; */
    position: relative;
    width: 50px;
    height: 50px;
    transform: rotate(45deg);
}

.indicator span {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    border: none;
    border-bottom: 3px solid #fff;
    border-right: 3px solid #fff;
    animation: animate 1.5s backwards infinite;
}

.indicator span:nth-child(1) {
    top: -30px;
    left: -30px;
    animation-delay: 1.5s;
}

.indicator span:nth-child(2) {
    top: -15px;
    left: -15px;
    animation-delay: 1.7s;
}

.indicator span:nth-child(3) {
    top: 0;
    left: 0;
    animation-delay: 1.9s;
}

.indicator span:nth-child(4) {
    top: 15px;
    left: 15px;
    animation-delay: 2.1s;
}

.indicator span:nth-child(5) {
    top: 30px;
    left: 30px;
    animation-delay: 2.3s;
}

@keyframes animate {
    0% {
        border-color: #fff;
        transform: translate(0, 0);
    }
    20% {
        border-color: #fff;
        transform: translate(15px, 15px);
    }
    20.1%,
    100% {
        border-color: rgb(47 186 210);
    }
}

div.project-tile {
    text-align: center;
    font-size: 1.5em;
    font-weight: bold;
}


/* .item {
    border: thick grey;
} */

.sample-sec {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    align-content: center;
    /* padding: 0; */
    /* margin: 0; */
    list-style: none;
    background-color: rgb(47 186 210);
}

.project-title {
    border-radius: 6px;
    width: 36%;
    background-color: white;
    box-shadow: 3px 6px 6px 0 rgba(0, 0, 0, 0.25), 0 8px 8px 0 rgba(0, 0, 0, 0.3);
    margin-bottom: 2em;
    text-decoration: none;
}

.project-title:active {
    background-color: whitesmoke;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.08), 0 6px 20px 0 rgba(0, 0, 0, 0.1);
    transform: translateX(2px) translateY(2px);
}

.project-title img {
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}


/* Area de testes */

.project-teste {
    border-radius: 6px;
    width: 36%;
    background-color: white;
    box-shadow: 3px 6px 6px 0 rgba(0, 0, 0, 0.25), 0 8px 8px 0 rgba(0, 0, 0, 0.3);
    margin-bottom: 2em;
    text-decoration: none;
    cursor: pointer;
}

.project-teste:active {
    background-color: whitesmoke;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.08), 0 6px 20px 0 rgba(0, 0, 0, 0.1);
    transform: translateX(2px) translateY(2px);
}

.project-teste img {
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}


/* Fim da area de testes */

footer {
    color: white;
    text-align: center;
    font-style: italic;
    list-style-type: none;
    margin: 0;
    padding: 1em;
    background-color: #001;
}

.background {
    position: absolute;
    display: block;
    top: 0;
    left: 0;
    z-index: 1;
}

@media all and (max-width: 500px) {
    .sample-sec {
        /* On small screens, we are no longer using row direction but column */
        justify-content: flex-start;
        flex-direction: column;
    }
    div.project-title {
        width: 80%;
        margin: 0 auto;
        margin-bottom: 25px;
    }
}

/* Back button positioning */
.back-arrow {
    float: left;
}

/* Menu Hamburger - Mobile */
@media (max-width: 768px) {
    .nav-ul {
        position: relative;
    }

    .nav-ul li:not(:first-child):not(.hamburger) {
        display: none;
    }

    .nav-ul li:first-child {
        float: left;
        width: auto;
    }

    .nav-ul .hamburger {
        display: block;
        float: right;
        cursor: pointer;
        padding: 14px 16px;
    }

    .nav-ul.active li:not(:first-child):not(.hamburger) {
        display: block;
        clear: both;
        text-align: left;
        width: 100%;
        float: none;
    }

    .nav-ul.active li:not(:first-child):not(.hamburger) a {
        padding: 14px 16px;
        display: block;
        text-align: left;
    }

    .nav-ul.active .hamburger {
        display: block;
        float: right;
        padding: 14px 16px;
    }

    div h1 {
        font-size: 3rem;
    }
}


/* story9  at list one media query */

@media (max-width: 100px) {
    p {
        font-size: 10px;
    }
}