:root {
  --title-color: #212121;
  --text-color: #757575;
  --accent-color: #2196f3;
  --background-accent-color: #2f303a;
  --background-color: #fff;
  --background-team-color: #f5f4fa;
  --second-accent-color: #fff;
  --frame-color: #eee;
  --logo-accent-color: #000;
  --background-button-color: #f5f4fa;
  --address-color: rgba(255, 255, 255, 0.6);
  --header-frame-color: #ececec;
  --icon-fill: #afb1b8;
  --footer-icons-bg: rgba(255, 255, 255, 0.1);
  --input-border-color: rgba(33, 33, 33, 0.2);
  --hover: #1b73c3;
  --portfolio-cards-bg: rgba(33, 150, 243, 0.9);
}

*::selection {
  background-color: var(--accent-color);
  color: var(--second-accent-color);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Roboto;
  position: relative;
}

.container {
  max-width: 1200px;
  width: 100%;
  padding: 0 15px;
  margin: 0 auto;
  /* outline: red dashed; */
}

/**
  |============================
  | Шапка сайту
  |============================
*/

.header {
  border-bottom: 1px solid var(--header-frame-color, #ececec);
  padding: 24px 0;
  position: fixed;
  width: 100%;
  background-color: var(--background-color);
  z-index: 3;
  box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.25);
}

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

.header-logo,
.footer-logo {
  color: var(--accent-color, #2196f3);
  font-family: Raleway;
  font-size: 26px;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 0.78px;
}

.header-logo-accent {
  color: var(--logo-accent-color, #000);
}

.header-nav-link {
  color: var(--title-color, #212121);
  font-size: 14px;
  font-weight: 500;
  line-height: normal;
  letter-spacing: 0.28px;
  position: relative;
  transition: color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.header-nav-link-checked {
  color: var(--accent-color);
}

.header-nav-link-checked::after {
  content: "";
  display: block;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--accent-color);
  position: absolute;
  bottom: -32px;
  right: 0;
}

.header-nav-list {
  display: flex;
  gap: 50px;
  margin-left: 93px;
}

.header-contacts-list {
  display: flex;
  gap: 50px;
  margin-left: auto;
}

.header-nav-link:hover,
.header-nav-link:focus {
  color: var(--accent-color, #2196f3);
}

.header-contacts-list .header-contacts-link {
  color: var(--text-color, #757575);
  font-size: 14px;
  font-weight: 500;
  line-height: normal;
  letter-spacing: 0.28px;
}

.header-contacts-link {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  transition: color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.header-contacts-link:hover,
.header-contacts-link:focus {
  color: var(--accent-color, #2196f3);
}

.header-contacts-link:hover .header-contacts-icon {
  fill: var(--accent-color);
}

.header-contacts-link:focus .header-contacts-icon {
  fill: var(--accent-color);
}

.header-contacts-icon {
  fill: var(--text-color);
  transition: fill cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

/**
  |============================
  | Hero
  |============================
*/

.padding-hero {
  padding: 40px 0;
}

.hero {
  background-image: linear-gradient(
      rgba(47, 48, 58, 0.4),
      rgba(47, 48, 58, 0.4)
    ),
    url(../img/hero/hero-background.jpg);
  padding: 200px 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

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

.hero-title {
  color: var(--second-accent-color, #fff);
  text-align: center;
  font-size: 44px;
  font-weight: 900;
  line-height: 1.36;
  letter-spacing: 2.64px;
  text-transform: uppercase;
  max-width: 696px;
  margin-bottom: 40px;
}

.hero-button {
  color: var(--second-accent-color, #fff);
  text-align: center;
  padding: 10px 32px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.87;
  letter-spacing: 0.96px;
  border-radius: 4px;
  background-color: var(--accent-color, #2196f3);
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.15);
  transition: background-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.hero-button:hover,
.hero-button:focus {
  background-color: var(--hover);
}

/**
  |============================
  | Переваги
  |============================
*/

.advantages {
  padding: 94px 0 47px;
}

.advantages-list {
  display: flex;
  justify-content: space-between;
}

.advantages-item {
  max-width: 270px;
}

/* .advantages-item::before {
  content: "";
  display: block;
  width: 270px;
  height: 120px;
  border-radius: 4px;
  background: var(--background-team-color, #f5f4fa);
  background-image: url(../img/advantages/photo1.png);
  background-size: 70px;
  background-repeat: no-repeat;
  background-position: center;
}

.advantages-item:first-child::before {
  background-image: url(../img/advantages/photo1.png);
}

.advantages-item:nth-child(2)::before {
  background-image: url(../img/advantages/photo2.png);
}

.advantages-item:nth-child(3)::before {
  background-image: url(../img/advantages/photo3.png);
}

.advantages-item:last-child::before {
  background-image: url(../img/advantages/photo4.png);
} */

.advanteges-icon-bg {
  width: 270px;
  height: 120px;
  background-color: var(--background-team-color);
  border-radius: 4px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.advantages-subtitle {
  color: var(--title-color, #212121);
  font-size: 14px;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 0.42px;
  text-transform: uppercase;
  margin-bottom: 10px;
  margin-top: 30px;
}

.advantages-desc {
  color: var(--text-color, #757575);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.71;
  letter-spacing: 0.42px;
}

/**
  |============================
  | Що робимо
  |============================
*/

.doing {
  padding: 47px 0 94px;
}

.doing-title {
  color: var(--title-color, #212121);
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 1.08px;
  margin-bottom: 50px;
}

.doing-list {
  display: flex;
  justify-content: space-between;
}

.doing-link {
  overflow: hidden;
  height: 294px;
  position: relative;
  display: block;
}

.doing-overlay {
  background: rgba(47, 48, 58, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 70px;
  width: 370px;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 1;
  transform: translateY(+101%);
  transition: transform cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.doing-link:hover .doing-overlay {
  transform: translate(0%);
}

.doing-link:focus .doing-overlay {
  transform: translate(0%);
}

.doing-subtitle {
  color: var(--second-accent-color);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.42px;
  text-transform: uppercase;
}

/**
  |============================
  | Команда
  |============================
*/

.team {
  background: var(--background-team-color, #f5f4fa);
  padding: 94px 0;
}

.team-list {
  display: flex;
  justify-content: space-between;
}

.team-item {
  border-radius: 0px 0px 4px 4px;
  background: var(--background-color, #fff);
  box-shadow: 0px 2px 1px 0px rgba(0, 0, 0, 0.2),
    0px 1px 1px 0px rgba(0, 0, 0, 0.14), 0px 1px 3px 0px rgba(0, 0, 0, 0.12);
  max-width: 270px;
  padding-bottom: 30px;
}

.team-photo {
  margin-bottom: 30px;
}

.team-title {
  color: var(--title-color, #212121);
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 1.08px;
  margin-bottom: 50px;
}

.team-subtitle {
  color: var(--title-color, #212121);
  font-size: 16px;
  font-weight: 500;
  line-height: normal;
  letter-spacing: 0.48px;
  margin-bottom: 10px;
  text-align: center;
}

.team-desc {
  color: var(--text-color, #757575);
  font-size: 16px;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 0.48px;
  text-align: center;
  margin-bottom: 16px;
}

.team-icons-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.team-icon-link {
  width: 44px;
  height: 44px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  transition: background-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.team-icon-link:hover,
.team-icon-link:focus {
  background-color: var(--accent-color);
}

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

.team-icon-link:hover .team-icon {
  fill: var(--second-accent-color);
}

.team-icon-link:focus .team-icon {
  fill: var(--second-accent-color);
}

/**
  |============================
  | Постійні клієнти
  |============================
*/

.clients {
  padding: 94px 0;
}

.clients-title {
  color: var(--title-color);
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 1.08px;
  margin-bottom: 50px;
}

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

.client-link {
  padding: 16px 32px;
  border-radius: 4px;
  border: 1px solid var(--icon-fill);
  display: block;
  transition: border cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.client-link:hover,
.client-link:focus {
  border: 1px solid var(--accent-color);
}

.client-link:hover .client-icon {
  fill: var(--accent-color);
}

.client-link:focus .client-icon {
  fill: var(--accent-color);
}

.client-icon:hover {
  fill: var(--accent-color);
}

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

/**
  |============================
  | Підвал сайту
  |============================
*/
.footer {
  background-color: var(--background-accent-color, #2f303a);
  padding: 60px 0;
}

.footer-container {
  display: flex;
  gap: 93px;
}

.footer-logo-accent {
  color: var(--second-accent-color, #fff);
}

.footer-map {
  color: var(--second-accent-color, #fff);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.71;
  letter-spacing: 0.42px;
  margin-top: 20px;
  display: block;
  font-style: normal;
}

.footer-link {
  color: var(--address-color, rgba(255, 255, 255, 0.6));
  font-size: 14px;
  font-weight: 400;
  line-height: 1.71;
  letter-spacing: 0.42px;
  margin-top: 9px;
  display: block;
  font-style: normal;
}

.footer-icons-container {
  padding-top: 12px;
}

.footer-title {
  color: var(--second-accent-color);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.42px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-icons-list {
  display: flex;
  gap: 10px;
}

.footer-icon-link {
  width: 44px;
  height: 44px;
  background-color: var(--footer-icons-bg);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

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

.footer-icon {
  fill: var(--second-accent-color);
}

.footer-form {
  padding-top: 12px;
}

.footer-form-title {
  color: var(--second-accent-color);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: 0.42px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-form-container {
  display: flex;
  gap: 12px;
}

.footer-form-input {
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(33, 150, 243, 0.01);
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.15);
  padding: 15px 16px;
  width: 358px;
  color: var(--second-accent-color);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.48px;
  transition: border-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.footer-form-input:hover,
.footer-form-input:focus {
  border-color: var(--accent-color);
}

.footer-form-input::placeholder {
  color: var(--address-color);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.48px;
}

.footer-form-btn {
  color: var(--second-accent-color);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.87;
  letter-spacing: 0.96px;
  padding: 10px 28px;
  background-color: var(--accent-color);
  display: flex;
  gap: 10px;
  align-items: center;
  border-radius: 4px;
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.15);
  transition: background-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

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

.footer-form-svg {
  fill: var(--second-accent-color);
}

/**
  |============================
  | modal
  |============================
*/

.backdrop {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.2);
  z-index: 4;
}

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

.no-scroll {
  overflow: hidden;
}

.modal {
  background-color: var(--background-color);
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
  padding: 40px;
  border-radius: 4px;
  box-shadow: 0px 2px 1px 0px rgba(0, 0, 0, 0.2),
    0px 1px 1px 0px rgba(0, 0, 0, 0.14), 0px 1px 3px 0px rgba(0, 0, 0, 0.12);
  z-index: 5;
}

.modal-close-btn {
  background-color: transparent;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  display: block;
  width: 30px;
  height: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 8px;
  right: 8px;
  transition: border-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.modal-close-btn:hover,
.modal-close-btn:focus {
  border-color: var(--accent-color);
}

.modal-title {
  color: var(--title-color);
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.6px;
  margin-bottom: 12px;
}

.modal-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.modal-name {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.modal-name {
  color: var(--text-color);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.17;
  letter-spacing: 0.12px;
  position: relative;
}

.modal-input {
  width: 448px;
  height: 40px;
  border-radius: 4px;
  border: 1px solid var(--input-border-color);
  padding-left: 42px;
  color: var(--text-color);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.17;
  letter-spacing: 0.12px;
  transition: border-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.modal-input:hover,
.modal-input:focus {
  border-color: var(--accent-color);
}

.modal-svg {
  position: absolute;
  top: 29px;
  left: 12px;
  fill: var(--title-color);
  transition: fill cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.modal-input:hover + .modal-svg {
  fill: var(--accent-color);
}

.modal-input:focus + .modal-svg {
  fill: var(--accent-color);
}

.modal-coment {
  width: 448px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 4px;
  border: 1px solid var(--input-border-color);
  padding: 12px 16px;
  color: var(--text-color);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.17;
  letter-spacing: 0.12px;
  resize: none;
  transition: border-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.modal-coment:hover {
  border-color: var(--accent-color);
}

.modal-coment::placeholder {
  color: rgba(117, 117, 117, 0.5);
  font-size: 12px;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 0.12px;
}

.modal-label {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
}

.modal-checkbox {
  display: none;
}

.modal-fake {
  width: 16px;
  height: 15px;
  border: 2px solid var(--title-color);
  border-radius: 2px;
  position: relative;
}

.modal-fake::before {
  content: "";
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  background-color: var(--accent-color);
  opacity: 0;
}

.modal-fake-svg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  fill: var(--second-accent-color);
}

.modal-checkbox:checked + .modal-fake::before {
  opacity: 1;
}

.modal-checkbox:checked + .modal-fake {
  border-color: var(--accent-color);
}

.modal-text {
  color: var(--text-color);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.71;
  letter-spacing: 0.42px;
}

.modal-link {
  color: var(--accent-color);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.71;
  letter-spacing: 0.42px;
  text-decoration-line: underline;
  transition: color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.modal-link:hover,
.modal-link:focus {
  color: var(--hover);
}

.mobal-btn {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.87;
  letter-spacing: 0.96px;
  border-radius: 4px;
  background: var(--accent-color);
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.15);
  padding: 10px 52px;
  margin: 0 auto;
  display: block;
  margin-top: 40px;
  transition: background-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.mobal-btn:hover,
.mobal-btn:focus {
  background-color: var(--hover);
}

/**
  |============================
  | portfolio
  |============================
*/

.portfolio {
  padding: 94px 0;
}

.portfolio-btn {
  color: var(--title-color, #212121);
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.62;
  letter-spacing: 0.48px;
  border-radius: 4px;
  background: var(--background-button-color, #f5f4fa);
  padding: 6px 22px;
  transition: color cubic-bezier(0.4, 0, 0.2, 1) 250ms,
    background-color cubic-bezier(0.4, 0, 0.2, 1) 250ms,
    box-shadow cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.portfolio-btn-list {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 50px;
}

.portfolio-btn:hover,
.portfolio-btn:focus {
  color: var(--second-accent-color, #fff);
  background-color: var(--accent-color, #2196f3);
  box-shadow: 0px 2px 2px 0px rgba(0, 0, 0, 0.12),
    0px 1px 2px 0px rgba(0, 0, 0, 0.08), 0px 3px 1px 0px rgba(0, 0, 0, 0.1);
}

.portfolio-article-list {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  max-width: 1200px;
  width: 100%;
}

.portfolio-article-item {
  flex-basis: calc((100% - 60px) / 3);
}

.portfolio-article-link {
  transition: box-shadow cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.portfolio-article-link:hover,
.portfolio-article-link:focus {
  box-shadow: 1px 4px 6px 0px rgba(0, 0, 0, 0.16),
    0px 4px 4px 0px rgba(0, 0, 0, 0.06), 0px 1px 1px 0px rgba(0, 0, 0, 0.12);
  display: block;
}

.container-article {
  border-bottom: 1px solid var(--frame-color, #eee);
  border-right: 1px solid var(--frame-color, #eee);
  border-left: 1px solid var(--frame-color, #eee);
  padding: 20px 24px;
}

.portfolio-photo-container {
  overflow: hidden;
  height: 294px;
  position: relative;
}

.portfolio-article-photo {
  width: 100%;
  height: 294px;
}

.portfolio-overlay {
  background-color: var(--portfolio-cards-bg);
  padding: 63px 24px;
  position: absolute;
  bottom: 0;
  left: 0;
  transform: translateY(+101%);
  transition: transform cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

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

.portfolio-article-link:focus .portfolio-overlay {
  transform: translateY(0%);
}

.portfolio-overlay-text {
  color: var(--second-accent-color);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.54px;
}

.portfolio-article-title {
  color: var(--title-color, #212121);
  font-size: 18px;
  font-weight: 700;
  line-height: 2;
  letter-spacing: 1.08px;
  margin-bottom: 4px;
}

.portfolio-article-desc {
  color: var(--text-color, #757575);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.87;
  letter-spacing: 0.48px;
}

/**
  |============================
  | scroll to top
  |============================
*/

.scroll.container {
  position: fixed;
  bottom: 75px;
  left: 50%;
  transform: translateX(+51%);
  height: 70px;
}

.scroll-link {
  background-color: var(--accent-color);
  width: 60px;
  height: 60px;
  border: 4px solid var(--second-accent-color);
  box-shadow: 0px 0px 15px rgba(37, 38, 48, 0.82);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  position: absolute;
  transition: background-color cubic-bezier(0.4, 0, 0.2, 1) 250ms;
}

.scroll-link:hover,
.scroll-link:hover {
  background-color: var(--hover);
}

.scroll-icon {
  transform: translateY(-7%);
  fill: var(--second-accent-color);
}