:root {
  /*color-scheme: light dark;*/
  --text-color: #434455;
  --dark-color: #2e2f42;
  --accent-color: #e7e9fc;
  --white-color: #ffffff;
  --primary-brend-color: #4d5ae5;
  --hover-color: #404bbf;
  --light-color: #f4f4fd;
  --border-color: #8e8f99;
  --footer-hover-color: #31d0aa;
  --gra: linear-gradient(rgba(46, 47, 66, 0.7), rgba(46, 47, 66, 0.7));
  --backdrop-color: rgba(46, 47, 66, 0.4);
  --modal-color: #fcfcfc;
  --cubic-bezier: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 250ms;
  --modal-input-text: #8e8f99;
  --modal-border: rgba(33, 33, 33, 0.2);
  --br-footer-sub-clr: rgba(255, 255, 255, 0.3);
  --modal-placeholder: rgba(117, 117, 117, 0.5);
  --modal-policy-color: #757575;
  --footer-pl: rgba(255, 255, 255, 0.6);
}

html {
  box-sizing: border-box;
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
body {
  font-family: "roboto", sans-serif;
  color: var(--text-color);
}
h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
}
ul {
  margin: 0;
  padding-left: 0;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
  width: 100%;
}
.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;
}
.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;

  margin-left: auto;
  margin-right: auto;
}
.list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.link {
  text-decoration: none;
}
.title {
  margin-bottom: 72px;
  text-align: center;

  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  text-transform: capitalize;
}
.subtitle {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.text {
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.btn {
  display: inline-block;

  font-family: inherit;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  cursor: pointer;

  border-radius: 4px;
  border: 1px solid transparent;
}
.section {
  padding-top: 120px;
  padding-bottom: 120px;
}
.is-open,
.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/*-----------header--------------*/
.header {
  border-bottom: 1px solid var(--accent-color);
}
.header-list {
  display: none;
}
.logo {
  display: block;
  padding-top: 24px;
  padding-bottom: 24px;

  font-family: "Raleway", sans-serif;
  font-weight: 800;
  font-size: 18px;
  line-height: 1.33;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;

  color: var(--primary-brend-color);
}
.nav-studio {
  color: var(--dark-color);
}
.header-contact {
  display: none;
}

/*---------------menu------------*/

.header-flex {
  display: flex;
}

.mob-menu-open {
  display: flex;
  border: none;
  background-color: transparent;
  margin-left: auto;
  align-items: center;
  justify-content: center;
}

.mob-menu > .container {
  max-width: 378px;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.container.mob-container {
  max-width: 378px;
}
.mob-menu-open-icons {
  width: 32px;
  height: 22px;

  stroke: var(--dark-color);
}
.mob-menu {
  position: fixed;
  top: 0;
  left: 0;

  padding-top: 80px;
  padding-bottom: 40px;

  z-index: 1000;

  width: 100%;
  height: 100vh;

  background-color: var(--white-color);

  transform: translateX(0);

  transition: transform var(--duration) var(--cubic-bezier);
}

.mob-menu.is-open {
  transform: translateX(100%);
}
.menu-close {
  position: absolute;
  top: 32px;
  right: 32px;

  display: flex;
  justify-content: center;
  align-items: center;

  width: 24px;
  height: 24px;

  color: #000000;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  transition: background-color var(--duration) var(--cubic-bezier);
}
.mob-menu-close-icons {
  width: 8px;
  height: 8px;

  fill: currentColor;
  transition: fill var(--duration) var(--cubic-bezier);
}

.menu-close:is(:hover, :focus) {
  background-color: var(--hover-color);
}
.menu-close:is(:hover, :focus) .mob-menu-close-icons {
  fill: var(--white-color);
}
.mob-menu-list {
  margin-bottom: 284px;
}

.mob-item-menu:not(:last-child) {
  margin-bottom: 40px;
}
.mob-menu-link {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;

  color: var(--dark-color);

  transition: color var(--duration) var(--cubic-bezier);
}
.mob-menu-link:hover,
.mob-menu-link.link:focus {
  color: var(--primary-brend-color);
}
.mob-menu-link:active {
  color: var(--text-color);
}

.mob-tel-link {
  display: block;
  font-weight: 600;
  font-size: 30px;
  line-height: 1.11;

  margin-bottom: 40px;

  text-transform: capitalize;

  color: var(--text-color);

  transition: color var(--duration) var(--cubic-bezier);
}

.mob-mail-link {
  display: block;

  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;

  letter-spacing: 0.02em;

  margin-bottom: 48px;

  color: var(--text-color);

  transition: color var(--duration) var(--cubic-bezier);
}

.mob-item-contact .link:hover,
.mob-item-contact .link:focus {
  color: var(--primary-brend-color);
}
.mob-item-contact .link:active {
  color: var(--text-color);
}
.mob-menu.is-open {
  transform: translateX(0);
}
.mob-soc-list {
  display: flex;
}
.mob-soc-item {
  width: 40px;
  height: 40px;
}
.mob-soc-link {
  width: 100%;
  height: 100%;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  background-color: var(--primary-brend-color);

  transition: background-color var(--duration) var(--cubic-bezier);
}

.mob-soc-item:not(:last-child) {
  margin-right: auto;
}

.mob-soc-link:hover,
.mob-soc-link:focus {
  background-color: var(--hover-color);
}

.mob-soc-icons {
  width: 24px;
  height: 24px;

  fill: var(--light-color);
}
/*------------------hero-------------*/
.hero-conteiner {
  padding: 0;
  max-width: 100%;
}
.hero {
  width: 100%;
  padding-top: 112px;
  padding-bottom: 112px;
  margin: 0 auto;
  text-align: center;
  background-color: var(--border-color);

  background-image: var(--gra), url(../images/bg/hero-bg-mob.jpg);
  background-repeat: no-repeat;
  background-size: cover;
}

@media (min-device-pixel-ratio: 2),
  (min-resolution: 192dpi),
  (min-resolution: 2dppx) {
  .hero {
    background-image: var(--gra), url(../images/bg/2x/hero-bg-mob-2x.jpg);
  }
}

.hero-title {
  margin: 0 auto;
  max-width: 320px;

  color: var(--white-color);
}
.hero-btn {
  padding: 16px 32px;
  min-width: 169px;
  text-align: center;

  color: var(--white-color);
  background-color: var(--primary-brend-color);
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);

  transition: background-color var(--duration) var(--cubic-bezier);
}
.hero-btn:hover,
.hero-btn:focus {
  background-color: var(--hover-color);
}
/*----------------features-------------*/
.features {
  padding-top: 96px;
  padding-bottom: 96px;
}
.features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  row-gap: 72px;
}
.features-icons-box {
  width: 264px;
  padding: 24px 100px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;

  background: var(--light-color);
  border-radius: 4px;
}

.features-subtitle {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;

  text-align: center;

  text-transform: capitalize;
  color: #2e2f42;
  color: var(--dark-color);
  margin-bottom: 8px;
}
.features-text {
  font-weight: 500;
}
/*----------------picture-------------*/
.pic {
  padding-top: 0;
}

.pic-list {
  display: flex;
  flex-wrap: nowrap;
  gap: 24px;
  justify-content: space-between;
}
.pic-item {
  flex-basis: calc((100% - 48px) / 3);
}
/*----------------cards-------------*/
.cards {
  padding-top: 96px;
  padding-bottom: 128px;
  margin-left: 0;
  margin-right: 0;
  background-color: var(--light-color);
}
.cards-block {
  padding-top: 32px;
  padding-bottom: 32px;
  text-align: center;
}
.cards-subtitle {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  color: var(--dark-color);
  margin-bottom: 8px;
}
.cards-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  row-gap: 72px;
  justify-content: center;
}
.cards-list > li {
  max-width: 264px;

  background: var(--white-color);
  box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08),
    0px 1px 1px rgba(46, 47, 66, 0.16), 0px 2px 1px rgba(46, 47, 66, 0.08);
  border-radius: 0px 0px 4px 4px;
}
.cards-text {
  margin-bottom: 8px;
}
.cards-soc-list {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.cards-soc-item {
  width: 40px;
  height: 40px;
}
.cards-soc-link {
  width: 100%;
  height: 100%;
  padding: 12px 12px;
  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  background-color: var(--primary-brend-color);

  transition: background-color var(--duration) var(--cubic-bezier);
}
.cards-soc-link:hover,
.cards-soc-link:focus {
  background-color: var(--hover-color);
}
.cards-soc-icons {
  fill: var(--light-color);
}
/*----------------customers-------------*/
.customers {
  padding-top: 96px;
  padding-bottom: 96px;
}
.customers-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  margin-bottom: 72px;
  color: var(--dark-color);
}
.customers-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  row-gap: 72px;
}

.customers-item {
  width: 190px;
  height: 88px;
}
.customers-link {
  width: 100%;
  height: 100%;
  padding: 16px 40px;

  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border-color);

  border: 1px solid var(--border-color);
  border-radius: 4px;

  transition: background-color var(--duration) var(--cubic-bezier),
    color var(--duration) var(--cubic-bezier);
}
.customers-icons {
  fill: currentColor;
  transition: fill var(--duration) var(--cubic-bezier);
}
.customers-icons:is(:hover, :focus) {
  fill: var(--hover-color);
}
.customers-link:is(:hover, :focus) {
  border-color: var(--hover-color);
  color: var(--hover-color);
}
/*----------------footer-------------*/
.footer {
  padding-top: 96px;
  padding-bottom: 96px;

  background-color: var(--dark-color);
}
.footer-flex {
  max-width: 426px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  row-gap: 72px;
  text-align: center;
}
.footer-logo {
  margin-bottom: 16px;
  margin-right: 0;
  padding-top: 0;
  padding-bottom: 0;

  line-height: 1.16;
}
.footer-studio {
  color: var(--light-color);
}
.footer-text {
  text-align: left;
  color: var(--accent-color);
  width: 264px;
}

.footer-soc-subtitle {
  margin-bottom: 16px;
  font-size: 16px;
  line-height: calc(24 / 16);
  letter-spacing: 0.02em;

  color: var(--white-color);
}
.footer-soc-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.footer-soc-item {
  width: 40px;
  height: 40px;
}
.footer-soc-link {
  width: 100%;
  height: 100%;
  padding: 8px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-color);

  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);

  transition: background-color var(--duration) var(--cubic-bezier);
}

.footer-soc-icons {
  width: 24px;
  height: 24px;
  fill: currentColor;
}
.footer-soc-link:is(:hover, :focus) {
  background-color: var(--footer-hover-color);
}

.footer-sub-subtitle {
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;

  margin-bottom: 16px;

  color: var(--white-color);
}
.footer-form-sub {
  display: flex;
  flex-wrap: wrap;

  justify-content: center;
  row-gap: 24px;
}
.footer-input-email {
  width: 100%;
  height: 40px;
  font-size: 14px;

  padding: 8px 0 8px 16px;

  outline: transparent;

  color: var(--white-color);

  background-color: transparent;

  border: 1px solid var(--br-footer-sub-clr);
  border-radius: 4px;
}
.footer-input-email::placeholder {
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;

  color: var(--footer-pl);
}
.footer-sub-btn {
  position: relative;

  width: 165px;
  height: 40px;

  padding: 8px 64px 8px 24px;

  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--white-color);

  background-color: var(--primary-brend-color);
  transform: background-color var(--duration) var(--cubic-bezier);
}
.footer-sub-btn:is(:hover, :focus) {
  background-color: var(--hover-color);
}
.footer-sub-icons {
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
}

/*----------------PORTFOLIO-------------*/
.container-portfolio {
  min-height: 700px;
}
.main {
  padding-top: 48px;
  padding-bottom: 48px;
}
.menu-main-link {
  color: currentColor;
}
.main-list {
  display: flex;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  row-gap: 48px;
}
.main-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: start;
  gap: 24px;
  row-gap: 16px;
  margin-bottom: 48px;
}

.main-btn {
  font-style: normal;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;

  letter-spacing: 0.04em;

  padding: 8px 16px;
  text-align: center;

  color: var(--primary-brend-color);
  background-color: var(--light-color);
  border: 1px solid #e7e9fc;
  transition: color var(--duration) var(--cubic-bezier),
    background-color var(--duration) var(--cubic-bezier),
    box-shadow var(--duration) var(--cubic-bezier),
    border-color var(--duration) var(--cubic-bezier);
}
.main-block {
  padding-top: 32px;
  padding-bottom: 32px;
  padding-left: 16px;
  border: 0.5px solid var(--light-color);
  box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08);
  border-top: transparent;
}
.main-item-link {
  display: inline-block;
  transition: box-shadow 250ms var(--cubic-bezier);
}
.main-item-link:is(:hover, :focus) {
  box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08),
    0px 1px 1px rgba(46, 47, 66, 0.16), 0px 2px 1px rgba(46, 47, 66, 0.08);
  cursor: pointer;
}
.main-btn:hover,
.main-btn:focus {
  color: var(--white-color);
  background-color: var(--hover-color);
  box-shadow: 0px 3px 1px rgba(0, 0, 0, 0.1), 0px 2px 1px rgba(0, 0, 0, 0.08),
    0px 2px 2px rgba(0, 0, 0, 0.12);
  border-color: transparent;
}
.main-item-link {
  color: currentColor;
  flex-basis: calc((100% - 48px) / 3);
}
.main-subtitle {
  color: var(--dark-color);
  margin-bottom: 8px;
}
.main-picture {
  width: 396px;
  height: 280px;
}
/*----------------MODAL-------------*/
.backdrop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;

  width: 100%;
  height: 100%;

  background-color: var(--backdrop-color);
  transition: opacity var(--duration) var(--cubic-bezier),
    visibility var(--duration) var(--cubic-bezier);
}

.modal {
  position: absolute;
  top: 50%;
  left: 50%;

  padding: 72px 16px 24px 16px;
  width: 100%;
  height: 100vh;
  max-width: 392px;
  max-height: 586px;

  overflow-y: scroll;

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

  transform: translate(-50%, -50%) scale(1.1);

  transition: transform var(--duration) var(--cubic-bezier);
}

.backdrop.is-hidden .modal {
  transform: translate(-50%, -50%) scale(1);
}
.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;

  display: flex;
  justify-content: center;
  align-items: center;

  width: 24px;
  height: 24px;

  color: #000000;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  transition: background-color var(--duration) var(--cubic-bezier);
}

.close-icons {
  width: 8px;
  height: 8px;

  fill: currentColor;
  transition: fill var(--duration) var(--cubic-bezier);
}

.modal-close:is(:hover, :focus) {
  background-color: var(--hover-color);
}
.modal-close:is(:hover, :focus) .close-icons {
  fill: var(--white-color);
}

/*----------------MODAl--FORM-------------*/
.modal-text {
  display: block;
  text-align: center;

  margin-bottom: 16px;

  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;

  color: var(--dark-color);
}
.modal-form {
  display: flex;
  flex-direction: column;
}
.modal-input-text {
  font-size: 12px;
  line-height: 1.16;
  letter-spacing: 0.01em;

  margin-bottom: 4px;

  color: var(--modal-input-text);
}
.modal-imput-wrap {
  position: relative;

  margin-bottom: 8px;
}
.modal-input {
  font-size: 14px;

  width: 100%;
  height: 40px;

  padding: 11px 0 11px 38px;

  outline: transparent;

  border: 1px solid var(--modal-border);
  border-radius: 4px;

  transform: border-color var(--duration) var(--cubic-bezier);
}
.modal-input:focus {
  border-color: var(--primary-brend-color);
}
.modal-input-icons {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);

  width: 18px;
  height: 18px;

  fill: var(--dark-color);
}
.modal-input:focus + .modal-input-icons {
  fill: var(--primary-brend-color);
}

.modal-textarea {
  font-size: 14px;

  width: 100%;
  height: 120px;

  padding: 8px 16px;
  margin-bottom: 16px;

  outline: transparent;

  border: 1px solid var(--modal-border);
  border-radius: 4px;
  resize: none;
}
.modal-textarea:focus {
  border-color: var(--primary-brend-color);
}

.modal-textarea::placeholder {
  font-size: 12px;
  line-height: 1.33;

  letter-spacing: 0.04em;

  color: var(--modal-placeholder);
}
.modal-text-policy {
  display: flex;

  font-size: 12px;
  line-height: 1.33;
  letter-spacing: 0.04em;

  margin-bottom: 24px;

  color: var(--modal-policy-color);
}
.modal-text-policy::before {
  content: " ";

  width: 16px;
  height: 16px;

  margin-right: 8px;

  border: 1.25px solid var(--dark-color);
  border-radius: 2px;
  transform: background-color var(--duration) var(--cubic-bezier);
}
.modal-checkbox:checked + .modal-text-policy::before {
  background-color: var(--hover-color);
  border: none;
  background-image: url(../images/icons/check.svg);
  background-position: center;
  background-repeat: no-repeat;
}
.modal-btn {
  color: var(--white-color);

  font-weight: 500;
  letter-spacing: 0.04em;

  width: 169px;
  min-height: 56px;

  text-align: center;

  align-self: center;

  background-color: var(--primary-brend-color);
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
  border-radius: 4px;

  transition: background-color var(--duration) var(--cubic-bezier);
}
.modal-btn:hover,
.modal-btn:focus {
  background-color: var(--hover-color);
}
/*------------------------media -----------------------------*/

@media screen and (max-width: 1200px) {
  .features-icons-box {
    display: none;
  }
  .pic {
    display: none;
  }
  .main-overlay {
    display: none;
  }
}

@media screen and (max-width: 768px) {
  .main-menu {
    max-width: 293px;
  }
}