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

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

a {
    text-decoration: none;
}

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

img {
    display: block;
}

.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;
}

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

.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 {
    display: block;
    padding: 24px 0;
    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;
    border-radius: 2px;
    background-color: #404bbf;
}

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

.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;
}

.hero {
    margin: 0 auto;
    padding: 188px 0;
    max-width: 1440px;
    background-image: linear-gradient(rgba(46, 47, 66, 0.7), rgba(46, 47, 66, 0.7)),
        url("../images/title.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

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

.hero-btn {
    margin: 48px auto 0;
    display: block;
    min-width: 169px;
    height: 56px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #fff;
    background-color: #4d5ae5;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-btn:hover,
.hero-btn:focus {
    background-color: #404bbf;
}



.features {
    padding: 120px 0;
}


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

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

.features-discipline {
    background-color: #f4f4fd;
    border: 1px solid #8e8f99;
    border-radius: 4px;
    width: 264px;
    height: 112px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

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

.features-text {
    line-height: 1.5;
    letter-spacing: 0.02em;
}

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

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

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

.team-item {
    width: calc((100% - 72px) / 4);
    border-radius: 0px 0px 4px 4px;
    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);
}

.team-job {
    padding: 32px 0;
}

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

.team-text {
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    text-align: center;
    color: #434455;
    margin-bottom: 8px;
}

.list-icon {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.icon-item {
    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 {
    fill: #f4f4fd;
}

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

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

.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-img {
    position: relative;
    overflow: hidden;
}

.portfolio-img-text {
    position: absolute;
    top: 0;
    font-size: 16px;
    font-weight: 400;
    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 .portfolio-img-text {
    transform: translateY(0%);
}

.portfolio-item:hover,
.portfolio-item:focus {
    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-apps {
    padding: 32px 16px;
    border: 1px solid #e7e9fc;
    border-top: none;

}

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

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

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

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

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

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


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

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



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

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


.footer-social-link {
    width: 40px;
    height: 40px;
    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-social-link:hover,
.footer-social-link:focus {
    background-color: #31d0aa;
}

.footer-icon {
    fill: #f4f4fd;
}

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

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

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

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

.subscribe-input::placeholder {
    color: #FFFFFF;
}

.subscribe-icon {
    fill: #f4f4fd;
    margin-left: 16px;
}

.subscribe-btn {
    min-width: 165px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #fff;
    background-color: #4d5ae5;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.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;
    border-radius: 4px;
    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-color: #fcfcfc;
    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%) scale(1.5);
}

.close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: 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);

}

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

.close-icon {
    width: 8px;
    height: 8px;
    transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.contacts-group {
    margin-bottom: 8px;
}

.comment {
    margin-bottom: 16px;
}

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

.input-wrapper {
    position: relative;
}

.form-input {
    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);
}

.form-input:focus,
.form-input:hover {
    border-color: #4D5AE5;
}

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

.input-wrapper:focus-within .input-icon {
    fill: #4D5AE5;
}

.form-textarea {
    width: 100%;
    height: 120px;
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;
    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);
}

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

.form-textarea:focus,
.form-textarea:hover {
    border-color: #4D5AE5;
}

.checkbox-wrapper {
    margin-bottom: 24px;
}

:root {
    --checkbox-bg: #404bbf;
    --checkbox-icon-color: #f4f4fd;
}

.contacts-form input[type="checkbox"]:checked+.form-checkbox .custom-checkbox {
    background-color: var(--checkbox-bg);
    border: none;
    fill: var(--checkbox-icon-color);
}

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

}

.custom-checkbox {
    width: 16px;
    height: 16px;
    border: 1px solid rgba(46, 47, 66, 0.4);
    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;
    fill: transparent;
    margin-right: 8px;
}

.user-privacy-link {
    color: #4d5ae5;
    text-decoration: underline;
}

.send-btn {
    margin: auto;
    display: block;
    min-width: 169px;
    height: 56px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #fff;
    background-color: #4d5ae5;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.send-btn:hover,
.send-btn:focus {
    background-color: #404bbf;
}