* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;

  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  padding: 0;
  font-family: "Arial", sans-serif;
  font-weight: 400;
  font-size: 16px;
  color: #f1f4f4;
  background-color: #222;
}

ul,
li {
  display: block;
  padding: 0;
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  padding: 0;
  margin: 0;
  font-weight: 700;
  color: inherit;
}

p {
  line-height: 160%;
  margin: 0;
}

.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.flex {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

a {
  display: block;
  color: #f1f4f4;
  text-decoration: none;
  transition: .3s;
}

a:hover {
  color: #e5f926;
}

button {
  font-family: inherit;
  font-weight: 500;
  border: none;
  background: none;
  cursor: pointer;
}

.btn {
  display: inline-block;
  cursor: pointer;
  padding: 25px 36px;
  border-radius: 8px;
  color: rgb(24, 24, 24);
  background-color: #e5f926;
  font-size: 18px;
  font-weight: 500;
  transition: .3s;
}

.btn:hover {
  background-color: rgb(241, 244, 244);
  color: rgb(24, 24, 24);
}

img {
  width: 100%;
}

section {
  padding: 100px 0;
}

h1 {
  font-size: 50px;
}

h2 {
  font-size: 56px;
  text-transform: uppercase;
  letter-spacing: 4px;
  text-align: center;
  margin-bottom: 60px;
}

h3 {
  font-size: 30px;
}

.description {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
  line-height: 28px;
}

/* header */

.header {
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  padding: 20px;
  z-index: 10000;
  background: transparent;
  transition: background 0.3s, top 0.3s, padding 0.3s;
}

.header.fixed {
  position: fixed;
  height: auto;
  background: #1f1f25;
  border-bottom: 1px solid #d7d7d7;
}

.header .container.flex {
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.logo {
  max-width: 60px;
}

.menu {
  position: absolute;
  left: 0;
  top: 0;
  display: none;
  background-color: #000000;
  height: 100vh;
  width: 50vw;
  animation: widthSize 1s alternate;
}

.menu.active {
  display: block;
  animation: widthSize 1s alternate;
}

@keyframes widthSize {
  0% {
    width: 0;
  }

  100% {
    width: 50vw;
  }
}

.menu__clock {
  position: absolute;
  top: 30px;
  right: 50px;
  font-weight: 700;
  font-size: 40px;
  cursor: pointer;
}

.menu__list {
  height: 100%;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.menu__item a {
  font-size: 45px;
  font-weight: 700;
  text-transform: uppercase;
}

.contacts {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.header__btn_menu {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  width: 60px;
}

.header__btn_menu p {
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: 12px;
}

.header__btn_line {
  width: 60px;
  height: 3px;
  background-color: #ffffff;
}

.header__btn_line.center {
  width: 50px;
}

.header__btn_menu:hover .header__btn_line {
  animation: changeSize 1s infinite alternate,
    changeBackground 1s infinite alternate;
}

@keyframes changeSize {
  0% {
    width: 60px;
  }

  50% {
    width: 30px;
  }

  100% {
    width: 60px;
  }
}

@keyframes changeSizeCenter {
  0% {
    width: 60px;
  }

  50% {
    width: 60px;
  }

  100% {
    width: 40px;
  }
}

@keyframes changeBackground {
  0% {
    background-color: #ffffff;
  }

  50% {
    background-color: #a5a5a5;
  }

  100% {
    background-color: #ffffff;
  }
}

.header__btn_menu:hover .center {
  animation: changeSizeCenter 1s infinite alternate,
    changeBackground 1s infinite alternate;
}

/* main */

.main {
  position: relative;
  background-image: url(../img/main-bg.webp);
  background-repeat: no-repeat;
  background-size: cover;
  z-index: 10;
  overflow: hidden;
  padding: 200px 0;
}

.main::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #181818;
  z-index: -1;
  opacity: .5;
}

.main__offer {
  max-width: 800px;
}

.main__offer_subtitle {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}

.main__offer_subtitle span {
  background-image: url(../img/hi.svg);
  display: inline-block;
  width: 18px;
  height: 21px;

}

.main__offer_title {
  font-size: 80px;
  margin: 20px 0 40px;
}

.main__offer_desc {
  margin-bottom: 30px;
}

/* skills */

.marquee {
  overflow: hidden;
  white-space: nowrap;
}

.marquee__inner {
  display: flex;
  align-items: center;
  animation: marquee 20s linear infinite;
}

@keyframes marquee {
  from {
    transform: translateX(0%);
  }

  to {
    transform: translateX(-100%);
  }
}

.skills__wrapper {
  display: flex;
  gap: 50px;
  flex-wrap: nowrap;
}

.skill {
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill__img {
  width: 70px;
}

.skill__text {
  font-size: 35px;
}

/* projects */

.projects__wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  justify-items: center;
  align-items: stretch;
  gap: 15px;
}

.project {
  position: relative;
  cursor: pointer;
  max-width: 550px;
  max-height: 520px;
  box-shadow: 0 0 35px rgb(40 42 54 / 18%);
}

.project img {
  height: 100%;
  border-radius: 20px;
}

.project:hover .project__links {
  opacity: 1;
}

.project__links {
  flex-wrap: wrap;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff60;
  border-radius: 20px;

  opacity: 0;

  transition: .5s;
}

.project__links,
.project__link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.project__link {
  padding: 8px 14px;
  max-width: 120px;
  width: 100%;
  gap: 6px;
}

.project__link img {
  width: 30px;
}
.container-none {
  padding: 0 15px;
}
@media (max-width: 1600px) {
  .project {
    max-width: 450px;
  }
}
@media (max-width: 1400px) {
  .projects__wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
  .project {
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  .projects__wrapper {
    grid-template-columns: repeat(1, 1fr);
  }
  .project {
    max-width: 100%;
  }
}

/* certificates */


.certificates__wrap {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.certificate {
  position: absolute;
  top: 0;
  opacity: 0;
  width: 0;
  height: 0;
  transition: opacity .5s ease-in-out;
}

.certificate.active {
  position: sticky;
  margin: 0 auto;
  opacity: 1;
  transition: opacity .5s ease-in-out;
  width: 100%;
  height: 100%;
}

.certificate img {
  height: 100%;
  width: 100%;
}

.certificate__pagination_wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 40px;
  gap: 5px;
}

.certificate__pagination {
  width: 14px;
  height: 14px;
  background-color: #a5a5a5;
  cursor: pointer;
  border-radius: 50%;
}

.certificate__pagination.active {
  width: 16px;
  height: 16px;
  background-color: #e5f926;
}

/* Contact */

.contacts__wrap {
  justify-content: center;
  gap: 30px;
}

.contact {
  border: 1px solid #474644;
  border-radius: 8px;
  padding: 40px;
  transition: all .3s;
  max-width: 300px;
  width: 100%;
}

.contact:hover {
  border-color: #e5f926;
}

.contact:hover path {
  transition: all .3s;
  fill: #e5f926;
}

.contact__img {
  margin-bottom: 80px;
}

.contact__img svg {
  width: 60px;
  height: 60px;
}

.contact-card-icon {
  color: #e5f926;
}

.contact__info_title {
  font-size: 22px;
  font-weight: 600;
}

.contact__info_number {
  color: #bfbfbf;
  font-size: 20px;
}

.contacts__social_wrap {
  margin: 0 auto;
  display: block;
}

.contacts__social_title {
  font-size: 38px;
  margin: 50px 0 30px;
  text-align: center;
}

.contacts__social_links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.contacts__social_link {
  background-color: #474644;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 65px;
  height: 65px;
}

.contacts__social_link:hover {
  background-color: #e5f926;
}

.contacts__social_link img {
  width: 30px;
  height: 30px;
}


/* footer */

.footer {
  padding: 20px 0;
  border-top: 1px solid #d7d7d7;
  background: #1f1f25;
}

.footer p {
  text-align: center;
  font-size: 14px;
}

/* policy */

.policy h1 {
  text-align: center;
  margin-bottom: 40px;
}

.policy h2 {
  margin-top: 40px;
  margin-bottom: 30px;
}

.policy p {
  margin-bottom: 30px;
}

.policy ul {
  padding-left: 20px;
}

.policy ul li {
  margin-bottom: 20px;
}

.thanks h1 {
  margin-bottom: 50px;
}

.thanks p {
  margin-bottom: 40px;
}

@media (max-width: 1200px) {
  .container {
    max-width: 960px;
    width: 100%;
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 720px;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 540px;
    width: 100%;
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 30px;
  }

  h3 {
    font-size: 20px;
  }


  .menu {
    width: 100vw;
  }

  @keyframes widthSize {
    0% {
      width: 0;
    }

    100% {
      width: 100vw;
    }
  }

  .menu__item a {
    font-size: 24px;
  }
}

@media (max-width: 576px) {
  .container {
    width: calc(100% - 30px);
  }


  .main__offer_title {
    font-size: 50px;
  }

  .contact__info_number {
    font-size: 14px;
  }

  h1,
  .main__offer_title {
    font-size: 30px;
  }

  h2 {
    font-size: 22px;
  }

  h3 {
    font-size: 18px;
  }

  body {
    font-size: 14px;
  }

  .project__links {
    flex-direction: column;
  }
}


/* project bundle */
.project--bundle {
  position: relative;
}

.project__stack {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
}

.project--bundle:hover .project__stack {
  opacity: 1;
  transform: translateY(0);
}

.project__stack-item {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 120px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .22);
  transform-origin: bottom right;
}

.project__stack-item img {
  display: block;
  width: 100%;
  height: auto;
}

/* modal */
.bundle-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 99999;
  align-items: center;
  justify-content: center;
  color: #181818;
}

.bundle-modal.is-open {
  display: flex;
}

.bundle-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .55);
}

.bundle-modal__dialog {
  position: relative;
  width: min(980px, calc(100% - 32px));
  margin: auto;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .35);
  overflow: auto;
}

.bundle-modal__head {
  padding: 18px 18px 0;
}

.bundle-modal__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
}

@media (max-width: 900px) {
  .bundle-modal__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .bundle-modal__dialog {
    height: 100%;
  }

  .bundle-modal__grid {
    grid-template-columns: 1fr;
  }
}

.bundle-modal__item {
  display: block;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 14px 50px rgba(0, 0, 0, .14);
  text-decoration: none;
}

.bundle-modal__item img {
  display: block;
  width: 100%;
  height: auto;
}

.bundle-modal__meta {
  padding: 10px 12px;
}

.bundle-modal__name {
  margin: 0;
}

.bundle-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 0;
  background: rgba(0, 0, 0, .06);
  cursor: pointer;
}