/* Set of colors */
:root {
  --accent-color: #2196f3;

  --header-border-color: #ececec;
  --cards-border-color: #eeeeee;

  --first-title-color: #ffffff;
  --second-title-color: #212121;
  --third-title-color: #000000;

  --first-text-color: #757575;
  --second-text-color: #ffffff;
  --third-text-color: rgba(255, 255, 255, 0.6);

  --first-bg-color: #ffffff;
  --second-bg-color: #e5e5e5;
  --third-bg-color: #f5f4fa;
  --fourth-bg-color: #2f303a;

  --first-btn-color: #2196f3;
  --second-btn-color: #188ce8;
  --third-btn-color: #f5f4fa;

  --section-padding-size: 94px;
  --photo-gap-size: 30px;
  --card-gap-size: 30px;
  --footer-padding-size: 60px;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul {
  margin-top: 0;
  margin-bottom: 0;
}

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

body {
  color: var(--first-text-color);
  background-color: var(--first-bg-color);
  font-family: 'Roboto', sans-serif;
}

/* Making the title hidden */
.visually-hidden {
  position: absolute;
  white-space: nowrap;
  width: 1px;
  height: 1px;
  overflow: hidden;
  border: 0;
  padding: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  margin: -1px;
}

/* Reset of list */
.list {
  padding-left: 0;
  padding-right: 0;

  list-style: none;
}

/* Reset of text underline */
.link {
  text-decoration: none;
}

/* Setting the accent colour */
.accent {
  color: var(--accent-color);
}

/* Setting the button properties */
.button {
  padding: 10px 32px;
  min-width: 200px;

  align-items: center;
  font-family: inherit;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  line-height: 1.88;
  text-align: center;

  border-radius: 4px;
  border: transparent;
}

.title {
  margin-bottom: 50px;

  color: var(--second-title-color);
  font-weight: 700;
  font-size: 36px;
  letter-spacing: 0.03em;
  line-height: 1.17;
  text-align: center;
}

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

.section {
  padding-top: var(--section-padding-size);
  padding-bottom: var(--section-padding-size);
}

/* ---------------------Header----------------------- */
.site-header {
  border-bottom: 1px solid var(--header-border-color);
}

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

.logo {
  display: block;
  padding-top: 24px;
  padding-bottom: 25px;
  margin-right: 93px;

  font-family: 'Raleway';
  font-weight: 700;
  font-size: 26px;
  line-height: 1.19;
  letter-spacing: 0.03em;
  color: var(--second-title-color);
}

.site-nav {
  display: flex;

  font-weight: 500;
  font-size: 14px;
  line-height: 1.14;
  letter-spacing: 0.02em;
}

.nav-list {
  display: flex;

  color: var(--second-title-color);
}

.nav-item:not(:last-child) {
  margin-right: 50px;
}

.nav-link {
  display: block;
  padding-top: 32px;
  padding-bottom: 32px;

  color: inherit;
}

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

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

/* -----Contacts----- */
.contacts-list {
  display: flex;
  margin-left: auto;

  font-weight: 500;
  font-size: 14px;
  line-height: 1.14;
  letter-spacing: 0.02em;
}

.contacts-item:not(:last-child) {
  margin-right: 50px;
}

.contacts-link {
  display: block;
  padding-top: 32px;
  padding-bottom: 32px;

  color: inherit;
}

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

/* ---------------------Main part of first page----------------------- */
/* -----Hero----- */
.hero {
  padding-top: 200px;
  padding-bottom: 200px;

  background-color: var(--fourth-bg-color);
  text-align: center;
}

.hero-title {
  margin: 0 auto 30px auto;
  max-width: 696px;

  font-weight: 900;
  font-size: 44px;
  line-height: 1.36;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--first-title-color);
}

/* Button */
.button.btn-primary {
  color: var(--second-text-color);
  background-color: var(--first-btn-color);
}

.button.btn-primary:hover,
.button.btn-primary:focus {
  background-color: var(--second-btn-color);
}

/* -----Advantages----- */

.advantages-title {
  margin-bottom: 10px;

  font-weight: 700;
  font-size: 14px;
  line-height: 1.14;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--second-title-color);
}

.advantages-list {
  display: flex;
}

.advantages-items {
  max-width: calc((100% - 3 * var(--card-gap-size)) / 4);
}

.advantages-items:not(:last-child) {
  margin-right: var(--card-gap-size);
}

.advantages-text {
  font-size: 14px;
  line-height: 1.71;
  letter-spacing: 0.03em;
}

/* -----About----- */
.about {
  padding-bottom: var(--section-padding-size);
}

.about-list {
  display: flex;
}

.about-item {
  flex-basis: calc((100% - 2 * var(--photo-gap-size)) / 3);
}

.about-item:not(:last-child) {
  margin-right: var(--photo-gap-size);
}

/* -----Team----- */
.team {
  background-color: var(--third-bg-color);
  text-align: center;
}

.team-list {
  display: flex;
}

.team-item {
  flex-basis: calc((100% - 3 * var(--card-gap-size)) / 4);

  font-size: 16px;
  line-height: 1.19;
  letter-spacing: 0.03em;

  box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.12), 0px 1px 1px rgba(0, 0, 0, 0.14),
    0px 2px 1px rgba(0, 0, 0, 0.2);
  border-radius: 0px 0px 4px 4px;
}

.team-item:not(:last-child) {
  margin-right: var(--card-gap-size);
}

.team-item-title {
  margin-bottom: 10px;

  font-size: 16px;
  font-weight: 500;
  color: var(--second-title-color);
}

.team-wrapper {
  padding-top: 30px;
  padding-bottom: 30px;

  background-color: var(--first-bg-color);
}

/* ---------------------Footer----------------------- */
.footer {
  padding-top: var(--footer-padding-size);
  padding-bottom: var(--footer-padding-size);

  background-color: var(--fourth-bg-color);
}

.footer .logo {
  margin-bottom: 20px;
  padding-top: 0;
  padding-bottom: 0;
  margin-right: 0;

  color: var(--first-title-color);
}

.adress-item {
  font-size: 14px;
  line-height: 1.71x;
  letter-spacing: 0.03em;
  color: var(--first-title-color);
}

.adress-item:not(:last-child) {
  margin-bottom: 9px;
}

.adress-link {
  color: inherit;
  font-style: normal;
}

.adress {
  color: var(--third-text-color);
}

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

/* ---------------------Main part of portfolio page----------------------- */
/* -----Buttons line----- */
/* .work-list-wrap {
  margin-bottom: 34px;
} */

.works-list {
  display: flex;
  justify-content: center;
  margin-bottom: 56px;
}

.works-item:not(:last-child) {
  margin-right: 8px;
}

.works-button {
  border-radius: 4px;
  border: transparent;
  padding: 6px 22px;

  font-weight: 500;
  font-size: 16px;
  line-height: 1.62;
  text-align: center;
  letter-spacing: 0.03em;
}

.works-button.btn-primary {
  font-family: inherit;
  color: var(--second-title-color);
  background-color: var(--third-btn-color);
}

.works-button.btn-primary:hover,
.works-button.btn-primary:focus {
  color: var(--first-title-color);
  background-color: var(--first-btn-color);
}

.works-button.active {
  color: var(--first-title-color);
  background-color: var(--first-btn-color);
}

/* works examples sheet */
.examples-title {
  margin-bottom: 4px;

  font-weight: 700;
  font-size: 18px;
  line-height: 2;
  letter-spacing: 0.06em;
  color: var(--second-title-color);
}

.examples-list {
  display: flex;
  flex-wrap: wrap;
  margin: calc(var(--card-gap-size) / -2);
}

.examples-item-wrapper {
  padding: 20px 24px 20px 24px;
  border-bottom: 1px solid var(--cards-border-color);
  border-left: 1px solid var(--cards-border-color);
  border-right: 1px solid var(--cards-border-color);
}

.examples-item {
  flex-basis: calc((100% - (3 * var(--card-gap-size))) / 3);
}

.examples-item {
  margin: calc(var(--card-gap-size) / 2);
}

.examples-text {
  font-size: 16px;
  line-height: 1.88;
  letter-spacing: 0.03em;
  color: var(--first-text-color);
}