/* ===== GENERAL STYLES ===== */

:root {
  --primary: #4d5ae5;
  --dark: #2e2f42;
  --light: #f4f4fd;
  --accent: #e7e9fc;
  --pressed: #404bbf;
  --text: #434455;
  --subtle-text: #8e8f99;
  --success: #31d0aa;
  --white: #ffffff;
  --global-padding: 156px;
  --font-size-default: 16px;
  --font-weight-medium: 500;
  --transition-default: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--text);
  background-color: var(--white);
  font-family: "Roboto", sans-serif;
  font-size: var(--font-size-default);
  line-height: 1.5;
  letter-spacing: 0.02em;
  box-sizing: border-box;
}

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

a {
  color: var(--white);
  text-decoration: none;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style-type: none;
}

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

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

.section {
  padding: 120px 0;
}

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

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


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

.header {
  border-bottom: 1px solid var(--accent);
  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;
}

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

.main_navigation .logo {
  margin-right: 76px;
}

.main_navigation_list {
  display: flex;
}

.main_navigation_list li:not(:last-child) {
  margin-right: 40px;
}

.nav_link {
  color: var(--dark);
  font-weight: var(--font-weight-medium);
  display: block;
  padding: 24px 0;
  position: relative;
  transition: color var(--transition-default);
}

.nav_link.active {
  color: var(--pressed);
}

.nav_link.active::after {
  content: "";
  display: block;
  height: 4px;
  width: 100%;
  background-color: var(--pressed);
  border-radius: 2px;
  position: absolute;
  bottom: -1px;
  left: 0;
  transition: color var(--transition-default);
}

.nav_link:hover::after {
  display: block;
}

.nav_contacts {
  font-style: normal;
}

.nav_contacts_list {
  display: flex;
  align-items: center;
}

.nav_contacts_list li:not(:last-child) {
  margin-right: 40px;
}

.contact_link {
  color: var(--text);
  display: block;
  padding: 24px 0;
  transition: color var(--transition-default);
}

.nav_link:hover,
.nav_link:active,
.nav_link:focus,
.contact_link:hover,
.contact_link:active,
.contact_link:focus {
  color: var(--pressed);
}

.logo {
  color: var(--primary);
  font-family: "Raleway", sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.17;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

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

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


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

.hero {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--dark);
  text-align: center;
  max-width: 1440px;
  margin: 0 auto;
  padding: 188px 0;
  background-image: linear-gradient(to bottom, rgba(46, 47, 66, 0.7), rgba(46, 47, 66, 0.7)), url(../images/hero-banner-desktop.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.hero_heading {
  color: var(--white);
  font-size: 56px;
  letter-spacing: 0.02em;
  line-height: 1.07;
  margin-bottom: 48px;
  max-width: 496px;
}

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

.primary_button:hover,
.primary_button:focus,
.primary_button:active {
  background-color: var(--pressed);
}


/* ===== PRINCIPLES ===== */

.principles_cards_grid {
  display: flex;
  gap: 24px;
}

.principles_card {
  max-width: 264px;
}

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


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

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

.team_cards_grid {
  display: flex;
  gap: 24px;
}

.team_card {
  background-color: var(--white);
  text-align: center;
  border-radius: 0 0 4px 4px;
  box-shadow: 0px 2px 1px 0px #2e2f4214, 0px 1px 1px 0px #2e2f4229, 0px 1px 6px 0px #2e2f4214;
}

.team_card_content {
  padding: 32px 0;
}

.team_card_content .text {
  margin-bottom: 8px;
}

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

.team_card_icon_wrapper {
  width: 40px;
  height: 40px;
}

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

.icon_link:hover,
.icon_link:focus {
  background-color: var(--pressed);
}

.team_card_icon {
  fill: var(--light);
}


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

.portfolio_grid {
  display: flex;
  flex-wrap: wrap;
  gap: 48px 24px;
}

.portfolio_card {
  transition: box-shadow var(--transition-default);
}

.portfolio_card:hover {
  box-shadow: 0px 2px 1px 0px #2e2f4214, 0px 1px 1px 0px #2e2f4229, 0px 1px 6px 0px #2e2f4214;
}

.portfolio_card:hover .portfolio_img_overlay {
  transform: translateY(0%);
}

.portfolio_card_content {
  border: 1px solid var(--accent);
  border-top: 0;
  padding: 32px 16px;
}

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

.portfolio_img_overlay {
  display: block;
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  font-size: var(--font-size-default);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--light);
  padding: 40px 32px;
  background-color: var(--primary);
  transform: translateY(100%);
  transition: transform var(--transition-default);
}

.portfolio_img_overlay_text {
  color: var(--light);
}


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

.footer {
  background-color: var(--dark);
  color: var(--light);
  padding: 100px 0;
}

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

.footer .logo {
  display: inline-block;
  margin-bottom: var(--font-size-default);
}

.footer .text {
  max-width: 264px;
}

.logo_content {
  margin-right: 120px;
}

.social_media .text {
  color: var(--white);
  font-weight: var(--font-weight-medium);
  margin-bottom: 16px;
}

.social_media_icons {
  display: flex;
  gap: 16px;
}

.social_media_icon_wrapper {
  width: 40px;
  height: 40px;
}

.social_media_icon_wrapper .icon_link:hover,
.social_media_icon_wrapper .icon_link:focus {
  background-color: var(--success);
}

.social_media_icon {
  fill: var(--light);
}