body {
    font-family: "Roboto", sans-serif;
    color: #434455;
    background-color: #fff;
}

/*reset*/

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

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

a {
    text-decoration: none;
}

/*common*/

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

/*header*/

.page-header {
    border-bottom: 1px solid #e7e9fc;
    box-shadow: 0 1px 6px 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);
}

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

.header-nav {
    display: flex;  
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 40px;
}

.contacts-list{
    display: flex;
    align-items: center;
    gap: 40px;
}

.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;
}

.header-logo {
    padding: 24px 0;
    margin-right: 76px;
}

.header-logo .logo-part {
    color: #2e2f42;
}

.footer-logo .logo-part {
    color:#f4f4fd
}
.nav-link {
    display: block;
    padding: 24px 0;
    font-family: 'Roboto', sans-serif;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #2e2f42;

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

.nav-link.current {
    position: relative;
}

.nav-link.current::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 4px;
    background-color: #404bbf;
    border-radius: 2px;
}

.nav-link:hover,
.nav-link:focus,
.nav-link.current {
    color: #404bbf;
}

.contacts {
    font-style: normal;
    margin-left: auto;
    
}

.contacts-link {
    display: block;
    padding: 24px 0;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #434455;
    transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
    
}

.contacts-link:hover,
.contacts-link:focus {
    color: #404bbf;
}

.section-first {
    padding: 188px 0;
    background-image: linear-gradient(rgba(46, 47, 66, 0.7), rgba(46, 47, 66, 0.7)), url(../images/people-office.jpg);
    margin: auto;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-color: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 1440px;
}

.main-title {
    max-width: 496px;
    margin-left: auto;
    margin-right: auto;
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    font-size: 56px;
    line-height: 1.07;
    letter-spacing: 0.02em;
    text-align: center;
    color: #fff;
}

.button {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 48px;
    min-width: 169px;
    height: 56px;
    border: none;
    border-radius: 4px;
    background:#4D5AE5;
    color:#fff;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.button:hover {
    background-color:#404BBF;
    color: #f4f4fd;

}

.button:focus {
    background-color:#404BBF;
    color: #f4f4fd;
}

.section-third {
    background-color: #f4f4fd;
    padding: 120px 0
}

.section-second {
    padding: 120px 0;

}

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

.image {
   display: block;
   cursor: pointer;
}

.image-team {
    display: block;
}

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

.principles-link {
    width: calc((100% - 72px) / 4);
}

.icon-principles {
    align-items: center;
    display: flex;
    justify-content: center;
    height: 112px;
    background-color: #f4f4fd;
    border-radius: 4px;
    border: 1px solid #8e8f99;
    margin-bottom: 8px;
}

.team-link {
    background-color: #FFFFFF;
    width: calc((100% - 72px) / 4);
    border-radius: 0px 0px 4px 4px;
    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);
}

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

.second-title {
    margin-bottom: 72px; 
    font-size: 36px;
    line-height: 1.11;
    text-align: center;
    letter-spacing: 0.02em;
    color: #2e2f42;
    text-transform: capitalize
}

.third-title {
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
}

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

.person {
    padding: 32px 0;
    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);
}

.team-title {
    text-align: center;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
}

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

.team-icons {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-top: 8px;
}

.second-team-icons {
    width: 40px;
    height: 40px;

}

.icon-link {
    width: 100%;
    height: 100%;
    background-color: #4d5ae5;
    border-radius: 50%;
    display: flex; 
    align-items: center;
    justify-content: center;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.icon-link:hover,
.icon-link:focus {
    background-color: #404bbf;
}

.icon-color {
    fill: #f4f4fd;
}

.section-fourth {
    padding-top: 120px; 
    padding-bottom: 120px;
}

.portfolio-title {
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
    margin-bottom: 8px;
}

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

.portfolio-item {
    width: calc((100% - 48px) / 3);
    transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio {
    padding: 32px 16px;
    border: 1px solid #e7e9fc;
    border-top: none;
    transform: translateY(0%);
}

.portfolio-item:hover {
    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);
}

.image-portfolio {
    position: relative;
    overflow: hidden; 
}

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

.portfolio-item:hover .text-item  {
    transform: translateY(0%);
}

.page-footer {
    background-color: #2e2f42;
    padding: 100px 0;
}

.container-footer {
    max-width: 1158px;
    padding: 0 15px;
    margin: 0 auto;
    display: flex;
    align-items: baseline;
}

.footer-text {
max-width: 264px;
font-weight: 400;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.02em;
color: #f4f4fd;
}

.footer-container {
    margin-right: 120px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}

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

.footer-list {
    display: flex;
    gap: 16px;
}

.footer-item {
    width: 40px;
    height: 40px;
}

.footer-link {
    width: 100%;
    height: 100%;
    background-color: #4d5ae5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-link:hover,
.footer-link:focus {
    background-color: #31d0aa;
}

.footer-icon {
    fill: #f4f4fd;
}

.footer-content {
    align-items: baseline;
}

.backdrop {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

    background-color: rgba(46, 47, 66, 0.4);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1), 
    visibility 250ms cubic-bezier(0.4, 0, 0.2, 1); 
}

.backdrop.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.modal {
    position: absolute;
    top: 50%;
    left: 50%;

    width: 408px;
    min-height: 584px;

    transform: translate(-50%, -50%);

    box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.14), 0 1px 3px 0 rgba(0, 0, 0, 0.12), 0 2px 1px 0 rgba(0, 0, 0, 0.2);
    background: #fcfcfc;
    border-radius: 4px;
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
    padding: 72px 24px 24px 24px;
}

.backdrop:not(.is-open) .modal {
    transform: translate(-50%, -50%);
}

.text-form {
    margin-bottom: 16px;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #ffffff;
    margin-left: 80px;
}

.form {
    display: flex;
    gap: 24px;
}

.email {
    width: 264px;
    height: 40px;
    border: 1px solid #ffffff;
    background-color: transparent;
    font-size: 12px;
    line-height: 2;
    letter-spacing: 0.04em;
    padding-left: 16px;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
    border-radius: 4px; 
    color: #ffffff;
    margin-left: 80px;
}

input::placeholder {
    color: #ffffff;
}

.button-footer {
    min-width: 165px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: "Roboto", sans-serif;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #ffffff;
    cursor: pointer;
    background-color: #4D5AE5;
    border: none;
    border-radius: 4px;
}

.icon-plane {
    margin-left: 16px;
    fill: #ffffff
}

.modal-button {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 24px;
    height: 24px; 
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #e7e9fc;
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 0;
    cursor: pointer;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1), border 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-button:hover,
.modal-button:focus {
    background-color: #404bbf;
    border: none;
    fill: #ffffff
}

.icon-cross {
    transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-text {
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    text-align: center;
    letter-spacing: 0.02em;
    color: #2E2F42;
    margin-bottom: 16px;
}

.modal-name {
    margin-bottom: 8px;
}

.label-model {
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em; 
    color: #8e8f99;
    display: block;
    margin-bottom: 4px;
}

.container-icon {
    position: relative;
}

.user-name {
    width: 100%;
    height: 40px;
    border: 1px solid rgba(46, 47, 66, 0.4);
    border-radius: 4px;
    background-color: transparent;
    padding-left: 38px;
    outline: transparent;
    transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.user-name:focus {
    border-color: #4D5AE5;
}

.user-name-2 {
    width: 100%;
    height: 40px;
    border: 1px solid rgba(46, 47, 66, 0.4);
    border-radius: 4px;
    background-color: transparent;
    padding-left: 38px;
    outline: transparent;
    transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.user-name-2:focus {
    border-color: #4D5AE5;
}

.user-name-3 {
    width: 100%;
    height: 40px;
    border: 1px solid rgba(46, 47, 66, 0.4);
    border-radius: 4px;
    background-color: transparent;
    padding-left: 38px;
    outline: transparent;
    transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.user-name-3:focus {
    border-color: #4D5AE5;
}

.icon-person {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
    fill: #2e2f42;
}

.icon-person:hover {
    fill: #4D5AE5;
}

.icon-person:focus {
    fill: #4D5AE5;
}

.container-icon:has(input:focus) .icon-person {
  fill: #4D5AE5;
}

.comment-container {
    margin-bottom: 16px;
}
.text-comment {
    width: 100%;
    height: 120px;
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;
    color: rgba(46, 47, 66, 0.4);
    border: 1px solid rgba(46, 47, 66, 0.4);
    border-radius: 4px;
    background-color: transparent;
    padding: 8px 16px;
    outline: transparent;
    resize: none;
    transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.text-comment:focus {
    border-color: #4D5AE5;
    fill: #4D5AE5;
}

.container-private {
    margin-bottom: 24px;
}

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

.label-private {
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;
    color: #8e8f99;
}

.private-policy {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1), border 250ms cubic-bezier(0.4, 0, 0.2, 1), fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center; 
    border: 1px solid rgba(46, 47, 66, 0.4);
    fill: transparent;
    margin-right: 8px;
}

input:checked + label .private-policy {
  border: none;
  fill: #F4F4FD;
  background-color: #404bbf;
}

.private-link {
    color: #4d5ae5;
}

.icon-tick {
    cursor: pointer;
}

.button-model {
    display: block;
    min-width: 169px;
    height: 56px;
    font-family: "Roboto", sans-serif;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #ffffff;
    cursor: pointer;
    background-color: #4D5AE5;
    border: none;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: auto;
    margin-right: auto;
    border-radius: 4px;
}