:root {
  --footer-text-color: #f4f4fd;
}

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

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

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

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

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

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

a {
  text-decoration: none;
}

.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;
}

/* ===== HEADER ===== */

.header {
  border-bottom: 1px solid #e7e9fc;
  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;
}

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

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

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

.header-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;
}

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

.nav-link {
  display: block;
  padding: 24px 0;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #2e2f42;
  position: relative;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Active page underline via ::after pseudo-element */
.nav-link.current {
  color: #404bbf;
}

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

.header-address {
  font-style: normal;
}

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

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

/* ===== HERO ===== */

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

.hero-title {
  max-width: 496px;
  margin: 0 auto;
  margin-bottom: 48px;
  font-size: 56px;
  line-height: 1.07;
  text-align: center;
  letter-spacing: 0.02em;
  color: #ffffff;
}

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

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

/* ===== ADVANTAGES ===== */

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

.advantages-item {
  width: calc((100% - 3 * 24px) / 4);
}

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

.advantages-icon {
  fill: #2e2f42;
}

/* ===== SECTION TITLES ===== */

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

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

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

/* ===== OUR TEAM ===== */

.team {
  background-color: #f4f4fd;
}

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

.team-item {
  background-color: #ffffff;
  width: calc((100% - 3 * 24px) / 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);
  overflow: hidden;
}

.team-img-wrapper {
  overflow: hidden;
  height: 260px;
}

.team-image {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transform: scale(1.75);
}

.team-item:nth-child(1) .team-image {
  object-position: 5px 60px;
}

.team-item:nth-child(2) .team-image {
  object-position: -135px 45px;
}

.team-item:nth-child(3) .team-image {
  transform: scale(1.2);
  object-position: -62px 22px;
}

.team-item:nth-child(4) .team-image {
  object-position: -65px 55px;
}

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

/* ===== SOCIAL ICONS (Team) ===== */

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

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #4d5ae5;
  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;
}


/* ===== PORTFOLIO ===== */

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

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

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

.portfolio-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

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

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

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

/* ===== FOOTER ===== */

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

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

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

.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;
}

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

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

/* ===== FOOTER SOCIAL ===== */

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

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

.footer-social-link:hover,
.footer-social-link:focus {
  background-color: #31d0aa;
}
/* ===== FOOTER SUBSCRIBE ===== */

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

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

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

.footer-input {
  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;
}

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

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

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

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

/* ===== BACKDROP & MODAL ===== */

.backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(46, 47, 66, 0.4);
  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1), visibility 250ms cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

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

.modal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  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 250ms cubic-bezier(0.4, 0, 0.2, 1);
  padding: 72px 24px 24px 24px;
}

.backdrop:not(.is-open) .modal {
  transform: translate(-50%, -50%) scale(0.9);
}

.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 250ms cubic-bezier(0.4, 0, 0.2, 1), border 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

.modal-field-comment {
  margin-bottom: 16px;
}

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

.modal-input-wrap {
  position: relative;
}

.modal-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);
}

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

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

.modal-input:focus + .modal-icon {
  fill: #4d5ae5;
}

.modal-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 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

.modal-checkbox-custom {
  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;
}

.modal-checkbox:checked + .modal-checkbox-label .modal-checkbox-custom {
  background-color: #404bbf;
  border: none;
  fill: #f4f4fd;
}

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

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

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