:root {
  --color-text-title: #212121;
  --color-bg-primary: #2f303a;
  --color-text-add: rgba(255, 255, 255, 0.6);
  --color-header-border: #ececec;
  --color-team-section: #f5f4fa;
  --color-second-logo: #2196f3;
  --color-first-logo: #000000;
  --color-text-main: #757575;
  --color-header-bord: #ffffff;
  --font-primary: "Roboto", serif;
  --font-secondary: "Raleway", serif;
}

body {
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-main);
}

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

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

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

button {
  border: 0;
  outline: 0;
  color: inherit;
  font-size: inherit;
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}

.header-container {
  display: flex;
  justify-content: center;
  gap: 93px;
  align-items: center;
}

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

.header-logo {
  font-family: var(--font-secondary);
  font-size: 26px;
  color: var(--color-second-logo);
  padding-top: 24px;
  padding-bottom: 24px;
}

.logo-black {
  font-family: var(--font-secondary);
  color: var(--color-first-logo);
  padding-top: 24px;
  padding-bottom: 24px;
}

.navigation {
  flex-grow: 1;
}

.nav-list {
  display: flex;
  gap: 50px;
}

.advantages-item::before {
  content: "";
  display: block;
  background-size: 270px;
  height: 120px;
  background-color: var(--color-team-section);
  margin-bottom: 30px;
  border-radius: 4px;
  background-image: url(../img/advantages/antenna\ 1.svg);
  background-size: auto;
  background-repeat: no-repeat;
  background-position: center center;
}

.header-contacts-list {
  display: flex;
  gap: 50px;
  flex-direction: row;
  gap: 10px;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-title);
  letter-spacing: 0.02em;
  position: relative;
  transition-property: color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
  color: var(--color-second-logo);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -20px;
  width: 100%;
  height: 4px;
  background-color: var(--color-second-logo);
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0);
  transition-property: opacity, transform;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

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

.header-contacts-icon {
  fill: var(--color-text-title);
  width: 16px;
  height: 13px;
  transition-property: color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.address {
  font-weight: 500;
  color: var(--color-text-title);
  letter-spacing: 0.02em;
  transition-property: color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.address:hover {
  color: var(--color-second-logo);
}

.address:hover .header-contacts-icon {
  fill: var(--color-second-logo);
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.hero {
  padding-top: 200px;
  padding-bottom: 200px;
  background-color: var(--color-bg-primary);
  background-image: linear-gradient(rgba(47, 48, 58, 0.4)), url(../img/hero/hero\ img.jpg);
  background-size: cover;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-position: center;
}

.hero-title {
  color: var(--color-header-bord);
  font-weight: 900;
  font-size: 44px;
  line-height: 1.3;
  display: flex;
  justify-content: center;
  max-width: 612px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0, 6em;
}

.hero-button {
  background-color: var(--color-second-logo);
  color: var(--color-header-bord);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.8;
  border: 0;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  border-radius: 4px;
  height: 50px;
  width: 216px;
  padding-left: 32px;
  padding-right: 32px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.form-title {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.03em;
  text-align: center;
  color: var(--color-text-title);
}

.backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.2431372549);
  opacity: 1;
  transition-property: opacity;
  transition-duration: 300ms;
}

.backdrop.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.no-scroll {
  overflow: hidden;
}

.backdrop.is-hidden .modal {
  transform: translate(200%, 50%) rotate(180deg) scale(0.2);
}

.modal {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 528px;
  min-height: 587px;
  padding: 25px;
  background-color: var(--color-header-bord);
  transform: translate(-50%, -50%);
  transition-property: transform, background-color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 1px 0 rgba(0, 0, 0, 0.2), 0 1px 1px 0 rgba(0, 0, 0, 0.14), 0 1px 3px 0 rgba(0, 0, 0, 0.12);
}

.btn-close {
  position: absolute;
  right: 14px;
  top: 14px;
}

.close {
  position: absolute;
  right: 14px;
  top: 14px;
  width: 25px;
  height: 25px;
  background-color: rgba(0, 0, 0, 0);
  border-radius: 50px;
  border: 1px solid rgba(0, 0, 0, 0.062745098);
  color: #000000;
}

label {
  display: block;
  margin-bottom: 10px;
}

input[type=text],
input[type=email],
input[type=tel],
textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

textarea {
  height: 150px;
  resize: vertical;
}

input[type=checkbox] {
  margin-right: 5px;
}

.btn-submit {
  width: 200px;
  height: 50px;
  border-radius: 4px;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  background: #2196f3;
  color: var(--color-header-bord);
}

.btn-submit-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.advantages-item:nth-child(2)::before {
  background-image: url(../img/advantages/clock\ 1.svg);
}

.advantages-item:nth-child(3)::before {
  background-image: url(../img/advantages/diagram\ 1.svg);
}

.advantages-item:nth-child(4)::before {
  background-image: url(../img/advantages/astronaut\ 1.svg);
}

.advantages-list {
  display: flex;
  gap: 30px;
}

.advantages {
  padding-top: 95px;
  padding-bottom: 95px;
}

.advantages-title {
  font-weight: 700;
  color: var(--color-first-logo);
}

.advantages-text {
  color: var(--color-text-main);
}

.work {
  padding-bottom: 94px;
}

.work-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.16;
  color: var(--color-text-title);
  display: flex;
  justify-content: center;
  padding-bottom: 50px;
}

.work-list {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.work-label {
  height: 70px;
  font-size: 14px;
  letter-spacing: 0.272px;
  color: #fff;
  text-align: center;
  width: 100%;
  bottom: 0;
  left: 0;
  font-weight: 700;
  position: absolute;
  background-color: rgba(40, 40, 40, 0.5019607843);
  text-transform: uppercase;
  padding-top: 27px;
  padding-bottom: 27px;
}

.work-image {
  position: relative;
}

.team {
  padding-top: 94px;
  padding-bottom: 94px;
  background-color: var(--color-team-section);
}

.team-list {
  display: flex;
  gap: 30px;
  justify-content: center;
}

.team-item {
  display: flex;
  background-color: var(--color-header-bord);
  flex-basis: calc((100% - 90px) / 4);
  border-radius: 4px;
}

.team-title {
  color: var(--color-text-title);
  font-size: 36px;
  line-height: 1.16;
  font-weight: 700;
  display: flex;
  justify-content: center;
  padding-bottom: 50px;
}

.teammate {
  box-shadow: 0 2px 1px 0 rgba(0, 0, 0, 0.2), 0 1px 1px 0 rgba(0, 0, 0, 0.14), 0 1px 3px 0 rgba(0, 0, 0, 0.12);
}

.teammate-name {
  font-weight: 500;
  font-size: 16;
  line-height: 1.18;
  color: var(--color-text-title);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.teammete-role {
  font-weight: 400;
  font-size: 16;
  line-height: 1.18;
  padding-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 16px;
}

.team-social-networks-container {
  display: flex;
  flex-basis: calc((100% - 36px) / 4);
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  padding-bottom: 30px;
}

.team-social-networks-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background-color: rgba(33, 149, 243, 0);
  border-radius: 50%;
  transition-property: background-color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.team-social-networks-link:hover {
  background-color: #2195f3;
}

.team-social-networks-link:hover .team-social-networks {
  fill: #ffffff;
}

.team-social-networks {
  width: 20px;
  height: 20px;
  fill: #afb1b8;
  transition-property: fill;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.brands-title {
  font-weight: 700;
  font-size: 36px;
  letter-spacing: 0.03em;
  text-align: center;
  color: var(--color-text-title);
  padding-top: 94px;
  padding-bottom: 50px;
}

.brands-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 94px;
}

.brands-icon {
  width: 106px;
  height: 60px;
  transition-property: fill;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.brands-item {
  fill: #afb1b8;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #afb1b8;
  border-radius: 4px;
  width: 170px;
  height: 92px;
  flex-basis: calc((100% - 150px) / 6);
  transition-property: fill, border;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.brands-item:hover {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #2196f3;
  border-radius: 4px;
  width: 170px;
  height: 92px;
  flex-basis: calc((100% - 150px) / 6);
  transition-property: border;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.brands-item:hover .brands-icon {
  fill: var(--color-second-logo);
  transition-property: fill;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.footer {
  padding-top: 60px;
  padding-bottom: 60px;
}

.footer-container {
  max-width: 1600px;
  max-height: 80px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  gap: 70px;
}

.logo {
  font-family: "Raleway", sans-serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0.03em;
  color: var(--color-second-logo);
  padding-bottom: 20px;
  padding-top: 60px;
}

.logo-white {
  line-height: 1.19;
  font-weight: 700;
  font-family: var(--font-secondary);
  color: var(--color-header-bord);
  font-size: 26px;
  padding-bottom: 20px;
  padding-top: 60px;
}

.footer-contacts {
  font-family: "Roboto", sans-serif;
  font-weight: 400;
  font-size: 14px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-bottom: 9px;
}

.footer-contacts-link {
  color: var(--color-header-bord);
  --font-primary: "Roboto", serif;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-bottom: 9px;
}

.subscribe-title {
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 20px;
}

.form {
  display: flex;
  gap: 12px;
}

.form-button {
  border-radius: 4px;
  width: 200px;
  height: 50px;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  background: #2196f3;
  font-weight: 700;
  font-size: 16px;
  line-height: 30px;
  letter-spacing: 0.06em;
  text-align: center;
  color: #fff;
  margin-left: 12px;
}

.form-input {
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  min-width: 358px;
  min-height: 50px;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  background: rgba(33, 150, 243, 0);
}

.footer-join {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-header-bord);
}

.footer-social-networks-container {
  display: flex;
  flex-basis: calc((100% - 36px) / 4);
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.footer-social-networks-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.062745098);
  border-radius: 54px;
  transition-property: fill, background-color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-social-networks-link:hover {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  fill: #ffffff;
  background-color: #2195f3;
  border-radius: 54px;
  transition-property: fill, background-color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-social-networks-link:hover .team-social-networks {
  fill: #ffffff;
  background-color: #2195f3;
  transition-property: fill, background-color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-social-networks {
  width: 20px;
  height: 20px;
  fill: #ffffff;
  transition-property: fill;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-social-networks:hover {
  width: 20px;
  height: 20px;
  fill: #ffffff;
  transition-property: fill;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.footer {
  background-color: var(--color-bg-primary);
  height: 252px;
}

.filters-button {
  background-color: var(--color-team-section);
  color: var(--color-first-logo);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.6;
  border: 0;
  border-radius: 4px;
  padding-top: 6px;
  padding-bottom: 6px;
  padding-right: 25px;
  padding-left: 25px;
  transition-property: color, background-color;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.filters-button:hover {
  background-color: var(--color-second-logo);
  color: var(--color-header-bord);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.6;
  border: 0;
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.12), 0 1px 2px 0 rgba(0, 0, 0, 0.08), 0 3px 1px 0 rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  padding-top: 6px;
  padding-bottom: 6px;
  padding-right: 25px;
  padding-left: 25px;
}

.filters-list {
  display: flex;
  gap: 8px;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  border-radius: 4px;
  padding-top: 94px;
}

.product {
  transition-property: box-shadow;
  transition-duration: 250ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.product:hover {
  box-shadow: 1px 4px 6px 0 rgba(0, 0, 0, 0.16), 0 4px 4px 0 rgba(0, 0, 0, 0.06), 0 1px 1px 0 rgba(0, 0, 0, 0.12);
}

.portfolio-list {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  padding-top: 50px;
  padding-bottom: 94px;
}

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

.project-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(33, 150, 243, 0.9);
  width: 370px;
  height: 294px;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: translateY(100%);
  transition-duration: 250ms;
  transition-property: transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

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

.project-text-overlay {
  max-width: 322px;
  font-size: 18px;
  line-height: 156%;
  letter-spacing: 0.03em;
  color: var(--color-header-bord);
  padding: 63px, 24px;
}

.portfolio-item {
  color: var(--colorTextWords);
}

.portfolio-item {
  background-color: var(--color-header-bord);
  flex-basis: calc((100% - 60px) / 3);
}

.product-name {
  font-weight: 700;
  font-size: 18;
  line-height: 2;
  color: var(--color-text-title);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-category {
  font-size: 16;
  line-height: 1.8;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 30px;
}