:root {
    --footer-color: #f4f4fd;
    --primary-brand: #4d5ae5;
    --pressed-state: #404bbf;
    --dark: #2e2f42;
    --success: #31d0aa;
    --text: #434455;
    --subtle-text: #8e8f99;
    --accent: #e7e9fc;
    --light: #f4f4fd;
    --white: #ffffff;
    --modal-background: #fcfcfc;
    --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}


* {
    box-sizing: border-box;
}

body {
    font-family: "Roboto", sans-serif;
    color: var(--text);
    background-color: var(--white);
    margin: 0;
}

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

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

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

button {
    cursor: pointer;
    border: none;
    background: transparent;
}


.container {
    max-width: 320px;
    padding: 0 16px;
    margin: 0 auto;
}

.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;
}

.section {
    padding: 96px 0;
}


.header {
    border-bottom: 1px solid var(--accent);
    background-color: var(--white);
    box-shadow: 0px 2px 1px rgba(46, 47, 66, 0.08),
        0px 1px 1px rgba(46, 47, 66, 0.16),
        0px 1px 6px rgba(46, 47, 66, 0.08);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.nav {
    display: flex;
    align-items: center;
    flex-grow: 1;
}

.logo {
    font-family: "Raleway", sans-serif;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--primary-brand);
    text-decoration: none;
    margin-right: 76px;
}

.logo-span {
    color: var(--dark);
}

.logo-span {
    color: var(--dark);
}


.nav-list,
.contacts {
    display: none;
}


.mobile-menu-btn {
    padding: 0;
    line-height: 0;
    margin-left: auto;
}

.mobile-menu-icon {
    fill: var(--dark);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), visibility var(--transition);
}

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

.mobile-menu-container {
    position: relative;
    padding: 80px 40px 40px;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
}

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition), border var(--transition);
}

.mobile-menu-close:hover,
.mobile-menu-close:focus {
    background-color: var(--pressed-state);
    border: none;
}

.mobile-menu-close-icon {
    fill: var(--dark);
    transition: fill var(--transition);
}

.mobile-menu-close:hover .mobile-menu-close-icon,
.mobile-menu-close:focus .mobile-menu-close-icon {
    fill: var(--white);
}

.mobile-menu-nav {
    margin-bottom: auto;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.mobile-nav-link {
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    color: var(--dark);
    transition: color var(--transition);
}

.mobile-nav-link.current,
.mobile-nav-link:hover,
.mobile-nav-link:focus {
    color: var(--pressed-state);
}

.mobile-contacts {
    margin-bottom: 48px;
    font-style: normal;
}

.mobile-contacts-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.mobile-contact-phone {
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    color: var(--primary-brand);
}

.mobile-contact-link {
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: var(--text);
    transition: color var(--transition);
}

.mobile-contact-link:hover,
.mobile-contact-link:focus {
    color: var(--primary-brand);
}

.mobile-social-list {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.mobile-social-item {
    width: 40px;
    height: 40px;
}

.mobile-social-link {
    width: 100%;
    height: 100%;
    background-color: var(--primary-brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition);
}

.mobile-social-link:hover,
.mobile-social-link:focus {
    background-color: var(--pressed-state);
}

.mobile-social-icon {
    fill: var(--light);
    width: 24px;
    height: 24px;
}


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

.hero-title {
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    color: var(--white);
    max-width: 320px;
    margin: 0 auto 72px;
}

.hero-btn {
    background-color: var(--primary-brand);
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: var(--white);
    cursor: pointer;
    padding: 16px 32px;
    border: none;
    border-radius: 4px;
    display: block;
    margin: 0 auto;
    min-width: 169px;
    transition: background-color var(--transition);
}

.hero-btn:hover,
.hero-btn:focus {
    background-color: var(--pressed-state);
}


.features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 72px;
}

.features-item {
    width: 100%;
}

.features-icon {
    display: none;

}

.features-title {
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    text-align: center;
    color: var(--dark);
    margin-bottom: 8px;
}

.features-text {
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    font-weight: 500;
}


.team {
    background-color: var(--light);
}

.section-title {
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    text-transform: capitalize;
    text-align: center;
    color: var(--dark);
    margin-bottom: 72px;
}

.team-list {
    display: flex;
    flex-wrap: wrap;
    gap: 72px;
    justify-content: center;
}

.team-item {
    background-color: var(--white);
    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);
    width: 264px;
}

.team-card-content {
    padding: 32px 0;
    text-align: center;
}

.team-name {
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: var(--dark);
    margin-bottom: 8px;
}

.team-role {
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: var(--text);
    margin-bottom: 8px;
}

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

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

.social-link {
    width: 100%;
    height: 100%;
    background-color: var(--primary-brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition);
}

.social-link:hover,
.social-link:focus {
    background-color: var(--pressed-state);
}

.social-svg {
    fill: var(--light);
    width: 16px;
    height: 16px;
}


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

.portfolio-item {
    width: 100%;
    transition: box-shadow var(--transition);
}

.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);
}

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

.portfolio-overlay-text {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-brand);
    color: var(--light);
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    padding: 40px 32px;
    transform: translateY(100%);
    transition: transform var(--transition);
}

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

.portfolio-card-content {
    padding: 32px 16px;
    border: 1px solid var(--accent);
    border-top: none;
}

.portfolio-title {
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: var(--dark);
    margin-bottom: 8px;
}

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


.footer {
    background-color: var(--dark);
    padding: 96px 0;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    gap: 72px;
}

.footer-logo-box {
    text-align: center;
    width: 100%;
}

.footer .logo {
    margin-right: 0;
}

.logo-span-footer {
    color: var(--light);
}

.footer-text {
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: var(--light);
    max-width: 264px;
    margin: 16px auto 0;
    text-align: left;
}

.footer-social-box {
    text-align: center;
    width: 100%;
}

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

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

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

.footer-social-link {
    width: 100%;
    height: 100%;
    background-color: var(--primary-brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition);
}

.footer-social-link:hover,
.footer-social-link:focus {
    background-color: var(--success);
}

.footer-social-svg {
    fill: var(--light);
    width: 24px;
    height: 24px;
}

.footer-subscribe {
    text-align: center;
    width: 100%;
}

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

.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.subscribe-label {
    display: block;
    width: 100%;
    max-width: 398px;
}

.subscribe-input {
    width: 100%;
    height: 40px;
    border: 1px solid #ffffff;
    border-radius: 4px;
    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);
    color: #ffffff;
    outline: transparent;
}

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

.subscribe-btn {
    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;
}

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

.backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(46, 47, 66, 0.4);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), visibility var(--transition);
}

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

.modal {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 408px;
    min-height: 584px;
    background: #fcfcfc;
    box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.14), 0px 1px 3px rgba(0, 0, 0, 0.12), 0px 2px 1px rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    transition: transform var(--transition);
    padding: 72px 24px 24px 24px;
}

.modal-close-btn {
    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 var(--transition), border var(--transition);
}

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

.modal-close-icon {
    fill: var(--dark);
    transition: fill var(--transition);
}

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

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

.modal-form {
    display: flex;
    flex-direction: column;
}

.form-field {
    margin-bottom: 8px;
}

.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 var(--transition);
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;
}

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

.form-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    transition: fill var(--transition);
}

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

.form-textarea {
    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 var(--transition);
}

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

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

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

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

.form-checkbox:checked+.checkbox-label .custom-checkbox {
    background-color: #404bbf;
    border: none;
    fill: #F4F4FD;
}

.form-field:nth-child(4) {
    margin-bottom: 16px;
}

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

.form-submit-btn {
    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;
    border-radius: 4px;
    transition: background-color var(--transition);
    margin: 0 auto;
}

.form-submit-btn:hover,
.form-submit-btn:focus {
    background-color: var(--pressed-state);
}

svg {
    fill: currentColor;
}


@media screen and (min-width: 768px) {
    .container {
        max-width: 768px;
    }


    .header-container {
        padding: 0;
    }

    .mobile-menu-btn {
        display: none;
    }

    .nav-list,
    .contacts {
        display: flex;
    }

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

    .nav-link {
        font-weight: 500;
        font-size: 16px;
        line-height: 1.5;
        letter-spacing: 0.02em;
        color: var(--dark);
        text-decoration: none;
        padding: 24px 0;
        display: block;
        transition: color var(--transition);
        position: relative;
    }

    .nav-link:hover,
    .nav-link:focus {
        color: var(--pressed-state);
    }

    .nav-link.current {
        color: var(--pressed-state);
    }

    .nav-link.current::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: -1px;
        width: 100%;
        height: 4px;
        background-color: var(--pressed-state);
        border-radius: 2px;
    }

    .contacts {
        font-style: normal;
    }

    .contacts-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .contact-link {
        font-size: 12px;
        line-height: 1.17;
        letter-spacing: 0.04em;
        color: var(--text);
        text-decoration: none;
        transition: color var(--transition);
    }

    .contact-link:hover,
    .contact-link:focus {
        color: var(--pressed-state);
    }


    .hero-title {
        font-size: 56px;
        line-height: 1.07;
        max-width: 496px;
        margin-bottom: 36px;
    }

    .features-list {
        gap: 72px 24px;
    }

    .features-item {
        width: calc((100% - 24px) / 2);
    }

    .features-title {
        text-align: left;
    }


    .team-list {
        display: flex;
        flex-wrap: wrap;
        gap: 64px 24px;
        justify-content: center;
    }

    .team-item {
        flex: 0 0 calc(50% - 12px);
        max-width: 264px;
    }


    .portfolio-list {
        gap: 72px 24px;
    }

    .portfolio-item {
        width: calc((100% - 24px) / 2);
    }


    .footer-container {
        gap: 72px 24px;
        align-items: baseline;
    }

    .footer-logo-box {
        text-align: left;
        width: auto;
    }

    .footer-text {
        margin: 16px 0 0;
    }

    .footer-social-box {
        text-align: left;
        width: auto;
    }

    .footer-subscribe {
        text-align: left;
        width: 100%;
    }

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

    .subscribe-label {
        max-width: 264px;
    }
}


@media screen and (min-width: 1158px) {
    .container {
        max-width: 1158px;
        padding: 0 15px;
    }

    .section {
        padding: 120px 0;
    }


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

    .contact-link {
        padding: 24px 0;
        font-size: 16px;
        line-height: 1.5;
        letter-spacing: 0.02em;
    }


    .hero {
        padding: 188px 0;
    }

    .hero-title {
        margin-bottom: 48px;
    }


    .features-list {
        gap: 24px;
    }

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

    .features-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 112px;
        background-color: var(--light);
        border-radius: 4px;
        margin-bottom: 8px;
        border: 1px solid var(--subtle-text);
    }

    .features-svg {
        width: 64px;
        height: 64px;
    }

    .features-title {
        font-weight: 500;
        font-size: 20px;
        line-height: 1.2;
    }

    .features-text {
        font-weight: 400;
    }


    .team-list {
        gap: 24px;
    }

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


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

    .portfolio-item {
        width: calc((100% - 48px) / 3);
    }


    .footer {
        padding: 100px 0;
    }

    .footer-container {
        flex-wrap: nowrap;
        gap: 0;
    }

    .footer-logo-box {
        margin-right: 120px;
    }

    .footer-social-box {
        margin-right: 80px;
    }

    .footer-subscribe {
        width: auto;
    }
}


.no-scroll {
    overflow: hidden;
}