:root {
    --orange: #F7931A;
    --black: #282623;
    --total-black: #000;
    --grey: #757575; 
    --off-white: #FAF8F7;
    --just-white: #fff;
    --link-blue: #0E76A8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 62.5%;
    font-family: "DM Sans", sans-serif;
}

header {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    min-width: 320px;
    height: 400px;
    text-align: center;
    background: linear-gradient(180.0deg, #000 40%, var(--orange) 80%);

}

header img {
    width: 160px;
    height: 120px;
    margin-top: 10px;
    align-self: center;
}

.header--title-container {
    width: 90%;
    min-width: 140px;
    max-width: 800px;
    height: 180px;
    margin-top: 50px;
    text-align: center;
    align-self: center;
}

.header--title-container h1 {
    margin-top: 10px;
    font-size: 2.4rem;
    font-weight: bold;
    line-height: 2.6rem;
    color: var(--just-white);
}

.header--title-container p {
    margin-top: 40px;
    font-size: 1.4rem;
    font-weight: 500;
    line-height: 1.8rem;
    color: var(--off-white);
}

.header--title-container .header--button {
    position: absolute;
    left: calc(50% - 115px);
    top: 340px;
    display: block;
    margin-top: 35px;
    padding: 15px;
    width: 230px;
    height: 50px;
    
    border: none;
    border-radius: 5px;
    font-size: 1.6rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--link-blue);   
    
}

.btn-light {
    background-color: var(--off-white);
    box-shadow: 0px 4px 8px rgba(89, 73, 30, 0.16);
}

.btn-dark {
    background-color: var(--black);
    box-shadow: 0px 4px 8px rgba(89, 73, 30, 0.86);
}

.header--button span {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 10px;
    background-image: url('../assets/icons/in-20x20.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.header--dark-light-mode {
    position: absolute;
    left: calc(75% - 40px);
    top: 120px;
    display: block;
    margin-top: 35px;
    padding: 5px 0;
    width: 80px;
    height: 30px;
    background-color: var(--off-white);
    box-shadow: 0px 4px 8px rgba(89, 73, 30, 0.16);
    border: none;
    border-radius: 5px;
    font-size: 1.6rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--grey);
    background: linear-gradient(0.0deg, #000 40%, var(--orange) 80%);
    }

    .header--dark-light-mode:hover {
        background: linear-gradient(0.0deg, #000 20%, var(--orange) 80%);
        color: var(--just-white);
    }

main {
    width: 100%;
    height: auto;


    /* background-image: url('./assets/imgs/under_construction_720x480.png'); */
}

.main-light {
    background-color: var(--off-white);
}

.main-dark {
    background-color: var(--black);
}

.main-description-container {
    width: 100%;
    height: auto;
    padding-top: 80px;
    padding-bottom: 30px;
    text-align: center;
}

.main-description-container--info {
    width: 90%;
    min-width: 288px;
    max-width: 800px;
    margin: 0 auto;
}

.main-description-container .backgroundImg {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    margin-bottom: 50px;
    background-image: url('../assets/imgs/under_construction_opt.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 50%;
}

.main-description-container h2 {
    margin-bottom: 30px;
    font-size: 2.4rem;
    font-weight: bold;
    line-height: 2.6rem;

}

.h2-main-title-light {
    color: var(--total-black);
}

.h2-main-title-dark {
    color: var(--just-white);
}

.main-description-container p {
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: 500;
    line-height: 1.6rem;
    color: var(--grey);
}


.main-keys-points {
    display: flex;
    overflow-x: scroll;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    gap: 20px;
    width: 100%;
    height: auto;
    padding: 10px 20px 30px 20px;
    text-align: center;
}

.main-keys-points--to-do-list {
    position: relative;
    scroll-snap-align: center;
    width: 70%;
    min-width: 288px;
    max-width: 350px;
    margin: 0 auto;
    margin-top: 20px;
    border-radius: 20px;
    padding: 25px 20px;
    
}

.to-do-light {
    background-color: var(--just-white);
    box-shadow: 0 4px 8px rgba(89, 73, 30, 0.16);
}

.to-do-dark {
    background-color: var(--black);
    box-shadow: 0px 4px 8px rgba(89, 73, 30, 0.86);
}

.main-keys-points--to-do-list h2 {
    margin-top: 20px;
    margin-bottom: 30px;
    font-size: 2.4rem;
    font-weight: bold;
    line-height: 2.6rem;
}

.to-do-h2-light {
    color: var(--total-black);
}

.to-do-h2-dark {
    color: var(--just-white);
}

.main-keys-points--to-do-list li {
    margin-bottom: 5px;
    font-size: 1.4rem;
    font-weight: 350;
    line-height: 1.6rem;
    color: var(--grey);
    list-style: inside;
    text-align: left;
}

.main-keys-points--completed-tasks {
    position: relative;
    scroll-snap-align: center;
    width: 70%;
    min-width: 288px;
    max-width: 350px;
    margin: 0 auto;
    margin-top: 20px;
    border-radius: 15px;
    padding: 25px 20px;
}

.completed-task-light {
    background-color: var(--just-white);
    box-shadow: 0 4px 8px rgba(89, 73, 30, 0.16);
}

.completed-task-dark {
    background-color: var(--black);
    box-shadow: 0px 4px 8px rgba(89, 73, 30, 0.86);
}

.main-keys-points--completed-tasks h2 {
    margin-top: 20px;
    margin-bottom: 30px;
    font-size: 2.4rem;
    font-weight: bold;
    line-height: 2.6rem;
 
}

.comp-task-h2-light {
    color: var(--total-black);
}

.comp-task-h2-dark {
    color: var(--just-white);
}



.main-keys-points--completed-tasks li {
    margin-bottom: 5px;
    font-size: 1.4rem;
    font-weight: 500;
    line-height: 1.6rem;
    color: var(--grey);

    list-style: inside;
    text-align: left;
}

footer {
    display: flex;
    width: 100%;
    height: 200px;
    background: linear-gradient(270.0deg, #000 40%, var(--orange) 80%);
}

footer section {
    display: flex;
    width: 50%;
    justify-content: center;
    align-items: center;
}

footer .footer-left ul {
    font-size: 1.8rem;
    font-weight: 500;
    line-height: 2.4rem;
    list-style: none;
}

.footer-left li {
    margin: 20px 0;
}

.footer-left a {
    text-decoration: none;
    color: var(--just-white);
}

.footer-right img {
    width: 80%;
    max-width: 120px;
}