:root {
  --main-title-color: #212121;
  --secondary-title-color: #757575;
  --main-text-color: #212121;
  --secondary-text-color: #757575;
  --accent-color: #2196f3;
  --tertiary-text-color: #ffffff;
  --background-color: #e5e5e5;
  --background-btn-color: #f5f4fa;
  --main-background-color: #ffffff;
}
body {
  font-family: 'Roboto', sans-serif;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--main-title-color);
}

a {
  text-decoration: none;
}

button {
  border: none;
}

ul li {
  list-style: none;
}

.link {
  text-decoration: none;
}
button {
  border: none;
}

/* ----------------------ШАПКА САЙТУ--------------------*/

.header {
  background-color: var(--main-background-color);
}
.logo {
  font-family: Raleway, sans-serif;
  display: flex;
  font-weight: bold;
  font-size: 26px;
  line-height: 1.2;
  color: var(--accent-color);
}

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

.header-link {
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--main-text-color);
}

.header-link:hover,
.header-link:focus,
.header-contact-link:hover,
.header-contact-link:focus {
  color: var(--accent-color);
}
.header-link-current {
  color: var(--accent-color);
}

.header-contact-link {
  font-weight: 500;
  line-height: 1.14px;
  letter-spacing: 0.02em;
  color: var(--secondary-text-color);
}

/* ----------------------ГЕРОЙ--------------------*/

.hero {
  background-color: #2f303a;
}
.hero-title {
  font-weight: 900;
  font-size: 44px;
  line-height: 1.36;
  text-align: center;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tertiary-text-color);
}

.hero-btn {
  font-family: inherit;
  font-weight: bold;
  font-size: 16px;
  line-height: 1.87;
  display: flex;
  align-items: center;
  text-align: center;
  letter-spacing: 0.06em;
  color: var(--tertiary-text-color);
  background-color: var(--accent-color);
  cursor: pointer;
}

.hero-btn:hover,
.hero-btn:focus {
  background-color: #188ce8;
}
/* ----------------------ОСОБЛИВОСТІ--------------------*/

.features-list-title {
  font-weight: bold;
  line-height: 1.14;
  text-transform: uppercase;
}

.features-list-text {
  line-height: 1.71;
  color: var(--secondary-text-color);
}

/*------------------------ПРИКЛАДИ РОБІТ-----------------------*/

.products {
  background-color: var(--main-background-color);
}

.products-title {
  font-weight: bold;
  font-size: 36px;
  line-height: 1.17;
  text-align: center;
}

/*--------------------------НАША КОМАНДА------------------------*/

.team {
  background-color: #f5f4fa;
}

.team-list-item {
  background-color: var(--main-background-color);
}

.team-title {
  font-weight: bold;
  font-size: 36px;
  line-height: 1.17;
  text-align: center;
}

.team-list-title {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.19;
  text-align: center;
}

.team-list-text {
  font-size: 16px;
  line-height: 1.19;
  text-align: center;
  color: var(--secondary-text-color);
}

/*------------------------------ПІДВАЛ--------------------------*/

.footer {
  background-color: #2f303a;
}

.footer-logo {
  color: var(--tertiary-text-color);
}

.address-list {
  line-height: 1.71;
}

.link {
  font-family: inherit;
  font-style: normal;
  font-weight: normal;
  line-height: 1.71;
}

.address-link {
  color: var(--tertiary-text-color);
}

.address-link-contact {
  color: rgba(255, 255, 255, 0.6);
}

.address-link:hover,
.address-link:focus,
.address-link-contact:hover,
.address-link-contact:focus {
  color: var(--accent-color);
}

/*----------------------НАШІ ПРОЕКТИ-----------------------*/

.filter-btm {
  font-family: inherit;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.62;
  text-align: center;
  letter-spacing: 0.03em;
  color: var(--main-title-color);
  background-color: var(--background-btn-color);
  cursor: pointer;
}

.filter-btm:hover,
.filter-btm.focus {
  background-color: var(--accent-color);
  color: var(--tertiary-text-color);
}

.current {
  background-color: var(--accent-color);
  color: var(--tertiary-text-color);
}

.project-title {
  font-weight: bold;
  font-size: 18px;
  line-height: 2;
  letter-spacing: 0.06em;
  color: var(--main-title-color);
}

.project-text {
  font-size: 16px;
  line-height: 1.87;
  color: var(--secondary-text-color);
}