body{
    font-family: "Roboto", sans-serif;
    background-color: #FFFFFF;
    color: #434455;
    /*transform: scale(1.1);
    transform-origin: top center;
    width: 1440px;
    margin: 0 auto;
    
    Центрує сторінку по центру + масштаб.
    Та задає загальну ширину сторінки, є обмеженям для всього сайту.
    Поки я задав обмеженя для Картинки та футер в ручну. 
    Через автоперевірку закомітив загальне обмеження, 
    мені загальне подобається більше, це код оптимізованіше.
    */
}

h1,h2,h3,h4,h5,h6,p{
    margin: 0;
}

a {
    text-decoration: none;
    color: inherit;
    padding: 0;
    margin: 0;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

img{
    display: block;
    max-width: 100%;
}

.container{
    width: 1158px;
    margin: 0 auto;
    padding: 0 15px;
}

/*   Header    */
.heder{
    background-color: #FFFFFF;
    border-bottom: 1px solid #e7e9fc;
    box-shadow: 0 1px 6px 0 rgba(46, 47, 66, 0.08), 0 1px 1px 0 rgba(46, 47, 66, 0.16), 0 2px 1px 0 rgba(46, 47, 66, 0.08);
}

.heder-container{
    display: flex;
    align-items: center;
}

.navigation{
    color:#2E2F42;
    
    display: flex;
    align-items: center;
}

.logo{
    font-family: "Raleway", sans-serif;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #4D5AE5;

    margin-right: 76px;
}

.logo-blue{
    font-family: "Raleway";
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color:#2e2f42;
}

.menu-list{
    display: flex;
    gap: 40px;
}

.header-list{
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;

    padding: 24px 0;
    display: block;
    
    transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.header-list:hover,
.header-list:focus,
.header-list.current
{
    color:#404BBF;
}

.header-list.current{
    position: relative;
}

.header-list.current::after{
    content: "";
    width: 100%;
    position: absolute; 
    border-radius: 2px;
    height: 4px;
    left: 0;
    bottom: -1px;
    background-color: #404BBF;
}

.adres{
    list-style: none;
    color:#434455;
    font-style: normal;
}

.adres-list{
    display: flex;
    gap: 40px;
    margin-left: 322px;
    /*margin-left: 242px;*/
}

.adres-link{
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;

    transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.adres-link:hover,
.adres-link:focus
{
    color:#404BBF;
}

/*   Section 1  Logo/button  */

.big-logo{
    background-color: #2E2F42;

    padding: 188px 0;
    max-width: 1440px;
    transform-origin: top center;
    margin: 0 auto;

    background-image: linear-gradient(rgba(46, 47, 66, 0.7), rgba(46, 47, 66, 0.7)), url(../images/hero.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.logo-container{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.title{
    font-weight: 700;
    font-size: 56px;
    line-height: 1.07;
    letter-spacing: 0.02em;
    text-align: center;
    color: #FFFFFF;

    max-width: 496px;
    align-items: center;
}

.buton{
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #ffffff;
    justify-content: center;
    white-space: nowrap;
    cursor: pointer;
    background-color: #4D5AE5;

    display: block;
    min-width: 169px;
    height: 56px;
    border: none;
    border-radius: 4px;
    align-items: center;
    margin-top: 48px;

    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.buton:hover,
.buton:focus{
    background-color: #404BBF;
}

.button-text{
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #FFFFFF;
}

/*   Section 2  - Characterisitics    */

.character{
    padding: 120px 0;
}

.visually-hidden{
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    white-space: nowrap;
    clip-path: inset(100%);
    clip: rect(0 0 0 0);
    overflow: hidden;
}

.character-box{
    display: flex;
    gap: 24px;
    justify-content: center;
    padding: 0;
}

.text-container {
    width: 264px;
    height: 104px;
    margin-bottom: 121px;
}

.text-box-logo{
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2E2F42;

    margin-bottom: 8px;
}

.text-box{
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #434455;
}

.icon-box{
    border: 1px solid #8E8F99;
    border-radius: 4px;
    width: 264px;
    height: 112px;
    background-color: #F4F4FD;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    margin-bottom: 8px;
}

/*   Section 3 - Persons    */

.people{
    background-color: #F4F4FD;
    padding: 120px 0;
}

.people-container{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.people-title{
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
    text-transform: capitalize;
    letter-spacing: 0.02em;
    color: #2E2F42;

    margin-bottom: 72px;
    width: 100%;
    text-align: center;
}

.people-list{
    display: flex;
    gap: 24px;
}

.people-box{
    background-color: #FFFFFF;
    width: calc((100% - 72px) / 4);
    border-radius: 0px 0px 4px 4px;
    box-shadow: 0 2px 1px 0 rgba(46, 47, 66, 0.08), 0 1px 1px 0 rgba(46, 47, 66, 0.16), 0 1px 6px 0 rgba(46, 47, 66, 0.08);
    background-color: #FFFFFF;
}

.people-text-box{
    padding: 32px 0;
}

.people-logo{
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2E2F42;

    text-align: center;
    margin-bottom: 8px;
}

.people-text{
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #434455;

    text-align: center;
}

.social-list{
    display: flex;
    justify-content: center;
    gap: 24px;
    list-style: none;
    padding: 0;
    margin-top: 8px;
}

.social-link{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #4D5AE5;
    border-radius: 50%;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.social-link:hover,
.social-link:focus{
    background-color: #404BBF;
}

.social-icon{
    fill: #f4f4fd;
}

/*   Section 4    Items    */

.item{
    padding-top: 120px;
    padding-bottom: 120px;
}

.item-container{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.item-logo{
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    text-transform: capitalize;
    color: #2E2F42;

    margin-bottom: 72px;
    text-align: center;
    width: 100%;
}

.item-list{
    display: flex;
    flex-wrap: wrap;
    row-gap: 48px;
    column-gap: 24px;
}

.item-box{
    flex-basis: calc((100% - 2 * 24px) / 3);
    width: calc((100% - 48px) / 3);
    border-radius: 0px 0px 4px 4px;
    transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.item-box:hover{
    background-color: #FFFFFF;
    box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08), 0px 1px 1px rgba(46, 47, 66, 0.16), 0px 2px 1px rgba(46, 47, 66, 0.08);
    transform: translateY(0%);
}

.item-text-box{
    padding: 32px 16px;
    border: 1px solid #e7e9fc;
    border-top: none;
}

.item-title{
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em; 
    color: #2E2F42;

    text-align: center;
    margin-bottom: 8px;
}

.item-text{
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #434455;

    text-align: center;
}

.item-image-wrapper{
    position: relative;
    overflow: hidden;
}

.item-overlay-text{
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #f4f4fd;
    padding: 40px 32px;
    background-color: #4d5ae5;
    transform: translateY(100%);
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    font-weight: 400;
}

.item-image-wrapper:hover .item-overlay-text{
    transform: translateY(0);
}

/*   Footer    */

.foter{
    background-color: #2E2F42;
    padding: 100px 0;
    transform-origin: top center;
    width: 1440px;
    margin: 0 auto;
}

.footer-logo{
    font-family: "Raleway", sans-serif;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #4d5ae5;
    display: inline-block;
    margin-bottom: 16px;
}

.foter-logo-blue {
    font-family: "Raleway";
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #f4f4fd;
}

.footer-text{
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #F4F4FD;

    max-width: 264px;
}

.footer-container{
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.footer-left {
    max-width: 400px;
    margin-right: 120px;
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-right: 520px;
}

.footer-social-title{
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #FFFFFF;
    padding-bottom: 16px;
    margin-bottom: 16px;
}

.footer-list{
    gap: 16px;
}

.social-link-footer:hover,
.social-link-footer:focus{
    background-color: #31D0AA;
}