/* #region Variablex */
:root {

    /* Icon */
    --icon-color: #f4f4fd;

    /* Transitions */
    --anim-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --anim-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}
/* #endregion */

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

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

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

a {
    text-decoration: none;
}

img {
    display: block;
}

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

button {
    cursor: pointer;
    border: none;
}
/* #endregion */

/* #region header */
.page-header {
    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);
}

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

.header-nav {
    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;
}

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

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

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

.nav-link {
    position: relative;
    display: block;
    padding: 24px 0;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #2e2f42;
    transition: var(--anim-normal);
    transition-property: color;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background-color: #404bbf;
    opacity: 0;
    transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after,
.nav-link:focus::after,
.nav-link.current::after {
    opacity: 1;
}

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

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

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

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

/* #region Hero section */
.hero-section {
    max-width: 1440px;
    margin: 0 auto;
    background-color: #2e2f42;
    padding: 188px 0;
    background-image: linear-gradient(
        rgba(46, 47, 66, 0.7), 
        rgba(46, 47, 66, 0.7)), 
        url("../images/hero/hero-bg.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.hero-container {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 48px;
}

.hero-title {
    font-weight: 700;
    font-size: 56px;
    line-height: 1.07;
    max-width: 496px;
    letter-spacing: 0.02em;
    text-align: center;
    color: #fff;
    line-height: 1.07
}

.hero-button {
    border-radius: 4px;
    min-width: 169px;
    height: 56px;
    background-color: #4d5ae5;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #fff;
    transition: var(--anim-normal);
    transition-property: background-color;
}

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

/* #endregion */

/* #region Benefits section */
.benefits-section {
    padding: 120px 0;
}

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

.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;
}

.benefits-list {
    display: flex;
    align-items: center;
    gap: 24px;
}

.benefits-item {
    flex-basis: calc((100% - 3 * 24px) / 4);
}

.benefits-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    border: 1px solid #8e8f99;
    border-radius: 4px;
    width: 100%;
    height: 112px;
    background-color: #f4f4fd;

}

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

.benefits-item-text {
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
}
/* #endregion */

/* #region Team section */
.team-section {
    padding: 120px 0;
    background-color: #f4f4fd;
}

.team-title {
    margin-bottom: 72px;
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    text-align: center;
    text-transform: capitalize;
    color: #2e2f42;
}

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

.team-item {
    flex-basis: ccalc((100% - 72px) / 4);
    border-radius: 0 0 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;
}

.team-item-name {
    padding: 32px 0;
}

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

.team-item-text {
    margin-bottom: 8px;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    text-align: center;
}

.team-item-social-links {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.item-social-link-elem {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: #4d5ae5;
    border-radius: 50%;
    transition: var(--anim-normal);
    transition-property: background-color;
}

.item-social-link-elem:hover,
.item-social-link-elem:focus {
    background-color: #404bbf;
}

.item-social-link-icon {
   fill: var(--icon-color);
}

/* #endregion */

/* #region Portfolio section */
.portfolio-section {
    padding: 120px 0;
}

.portfolio-container {
    border-top: none;
}

.portfolio-title {
    margin-bottom: 72px;
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    text-align: center;
    text-transform: capitalize;
    color: #2e2f42;
}

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

.portfolio-item {  
    width: calc((100% - 48px) / 3);
    border-top: none;
    transition: var(--anim-normal);
    transition-property: box-shadow;
}

.thumb {
    position: relative;
    overflow: hidden;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #f4f4fd;
    width: 100%;
    height: 100%;
    padding: 40px 32px;
    background-color: #4d5ae5;

    transform: translateY(100%);
    transition: var(--anim-normal);
    transition-property: transform;
}

.portfolio-item:hover {
    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);
}

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


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

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

.portfolio-item-text {
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
}
/* #endregion */

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

.page-footer .container {
    display: flex;
    align-items: baseline;
}

.footer-logo-block {
    width: 264px;
    margin-right: 120px;
}

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

.footer-logo .logo-part {
    color: #f4f4fd;
}

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

.footer-social-block {
    width: 208px;
}

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

.footer-social-links {
    display: flex;
    justify-content: left;
    gap: 16px;
}

.social-link-elem {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: #4d5ae5;
    border-radius: 50%;
    transition: var(--anim-normal);
    transition-property: background-color;
}

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

.social-link-icon {
    fill: var(--icon-color);
}

.footer-subscribe-block {
    margin-left: auto;
}

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

.footer-subscribe-email {
    border: 1px solid #fff;
    border-radius: 4px;
    width: 264px;
    height: 40px;
    box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
    color: #ffffff;
    background-color: #2e2f42;
    padding: 8px 16px;
    font-size: 12px;
    line-height: 2;
    letter-spacing: 0.04em;
    transition: border-color var(--anim-normal);

}

.footer-subscribe-email:placeholder-shown{
    color: #ffffff;
    background-color: transparent;
}

.footer-subscribe-email:hover,
.footer-subscribe-email:focus {
    border-color: #31d0aa;
}

.footer-subscribe-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: row;
    gap: 16px;

    border-radius: 4px;
    padding: 8px 24px;
    min-width: 165px;
    height: 40px;
    background-color: #4d5ae5;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    text-align: center;
    color: #fff;
    transition: var(--anim-normal);
    transition-property: background-color;

}

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

.footer-subscribe-btn-icon {
    margin-left: 16px;
}

/* #endregion */

/* #region Modal */
.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: var(--anim-normal);
    transition-property: opacity, visibility;
}

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

.modal {
    position: absolute;
    padding: 72px 24px 24px 24px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 408px;
    border-radius: 4px;
    min-height: 584px;
    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-color: #fcfcfc;
    transition: transform var(--anim-normal);
}

.backdrop:not(.is-open) .modal {
    transform: translate(-50%, -100%);
}

.modal-btn {
    position: absolute;
    top: 24px;
    right: 24px;

    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    background-color: #e7e9fc;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--anim-normal);
    transition-property: background-color, border;
}

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

.modal-btn-icon {
    transition: fill var(--anim-normal);
}

.modal-btn:hover .modal-btn-icon,
.modal-btn:focus .modal-btn-icon {
    fill: #FFFFFF;

}

.modal-caption {
    margin-bottom: 16px;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    text-align: center;
    color: #2e2f42;
}

.modal-form-wrapper {
    margin-bottom: 8px;
}

.modal-form-label {
    display: block;
    margin-bottom: 4px;
    font-weight: 400;
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;
    color: #8e8f99;
}

.modal-form-field {
    position: relative;
}

.modal-form-input {
    width: 100%;
    height: 40px;
    padding: 11px 38px;
    outline: transparent;
    border: 1px solid rgba(46, 47, 66, 0.4);
    border-radius: 4px;
    background-color: transparent;
    transition: var(--anim-normal);
    transition-property: border-color;
}

.modal-form-input:focus {
    border-color: #4d5ae5;
}

.modal-form-icon {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    pointer-events: none;
    transition: var(--anim-normal);
    transition-property: fill;
}

.modal-form-input:focus + .modal-form-icon {
    fill: #4D5AE5;
}

.form-comment {
    margin-bottom: 16px;
}

.modal-form-comment {
    width: 100%;
    height: 120px;
    padding: 8px 16px;
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;
    color: rgba(46, 47, 66, 0.4);
    background-color: transparent;
    border: 1px solid rgba(46, 47, 66, 0.4);
    border-radius: 4px;
    outline: transparent;
    resize: none;
    transition: var(--anim-normal);
    transition-property: border-color;
}

.modal-form-comment:focus {
    border-color: #4d5ae5;
}

.modal-form-comment::placeholder {
    color: rgba(46, 47, 66, 0.4);
}

.modal-form-btn {
    display: block;
    margin:0 auto;
    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 var(--anim-normal);
}

.modal-form-btn:hover,
.modal-form-btn:focus {
    background-color: #404BBF;
}

/* Custom checkbox */
.modal-form-agreement-wrapper {
    margin-bottom: 24px;
}

.modal-form-agreement {
    align-items: center;
    margin-bottom: 24px;
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;
    color: #8e8f99;
}

.modal-form-checkbox {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    fill: transparent;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    border: 1px solid rgba(46, 47, 66, 0.4);
    border-radius: 2px;
    cursor: pointer;
    transition: var(--anim-normal);
    transition-property: background-color, border, fill;
}

input[type="checkbox"]:checked + label > .modal-form-checkbox {
    border: none;
    fill: #F4F4FD;
    background-color: #404bbf;
}

.modal-form-checkbox-icon {
    opacity: 1;
    transform: opacity var(--anim-normal);
}

input[type="checkbox"]:checked + label + .modal-form-checkbox > modal-form-checkbox-icon {
    opacity: 1;
}

.modal-form-link {
    line-height: 1.33;
    text-decoration: underline;
    text-decoration-skip-ink: none;
    color: #4d5ae5;
}

/* #endregion */