/*! Global Reset */

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

*:focus {
  outline: none;
  box-shadow: 0 0 0 0.4rem rgba(59, 131, 246, 0.5) !important;
}

html {
  font-size: 62.5%;
  font-family: "Inter", sans-serif;
  line-height: 1;
  color: #333;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

input,
textarea,
button {
  font-family: inherit;
}

/*! General and Reusable Styles */

.container {
  margin: 0 auto;
  max-width: 120rem;
  padding: 0 3.2rem;
}

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

.space-between {
  justify-content: space-between;
}

.gap--sm {
  gap: 1.2rem;
}

.grid {
  display: grid;
  gap: 9.6rem;
}

.grid--2-cols {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3-cols {
  grid-template-columns: repeat(3, 1fr);
  column-gap: 4.8rem;
}

.center-text {
  text-align: center;
}

.subheading {
  display: inline-block;
  text-transform: uppercase;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #234e94;
  margin-bottom: 0.4rem;
}

.heading-primary,
.heading-secondary {
  color: #222;
  line-height: 1.2;
  font-weight: 700;
}

.heading-primary {
  font-size: 6.2rem;
  letter-spacing: -0.4rem;
  margin-bottom: 1.6rem;
}

.heading-secondary {
  letter-spacing: -0.2rem;
  font-size: 5.2rem;
  margin-bottom: 2.4rem;
}

.link:link,
.link:visited {
  color: #3b82f6;
  text-decoration: none;
  box-shadow: 0 1px 0 #3b82f6;
  transition: all 0.2s;
}

.link:link::after,
.link:visited::after {
  content: " \2192";
}

.link:hover,
.link:active {
  color: #3575dd;
  box-shadow: none;
}

.margin-bottom--md {
  margin-bottom: 2.4rem !important;
}

.margin-top--bg {
  margin-bottom: 8rem !important;
}

.no-scroll {
  overflow: hidden;
}
/*! Header + Navigation */

.header {
  height: 8rem;
  z-index: 999;
  position: relative;
}

.language {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 3.2rem;
  font-size: 1.6rem;
  color: #777;
}

.language strong {
  font-weight: 500;
  color: #333;
}

.language-link:link,
.language-link:visited {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s;
}

.language-link:hover,
.language-link:active {
  box-shadow: 0 1px 0 #333;
  color: #333;
}

.link-top:link,
.link-top:visited {
  position: fixed;
  bottom: 4rem;
  right: 8rem;

  color: #fff;
  background-color: #3b82f6;
  width: 4.8rem;
  height: 4.8rem;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  text-decoration: none;
  font-size: 2.4rem;
  font-weight: 600;
  box-shadow: 0 0.2rem 2.4rem rgba(0, 0, 0, 0.3);
  transition: all 0.3s;

  display: none;
}

.sticky .link-top:link,
.sticky .link-top:visited {
  display: flex;
}

.link-top:hover,
.link-top:active {
  background-color: #2f68c5;
  box-shadow: 0 0.2rem 2.4rem rgba(0, 0, 0, 0.2);
}

.main-nav {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 4.8rem;
  z-index: 999;
}

.main-nav-list {
  list-style: none;
  display: flex;
  gap: 4rem;
}

.main-nav-link:link,
.main-nav-link:visited {
  text-decoration: none;
  color: #333;
  font-size: 1.6rem;
  font-weight: 500;
  transition: all 0.3s;
}

.main-nav-link:hover,
.main-nav-link:active {
  color: #555;
}

.nav-cta:link,
.nav-cta:visited {
  background-color: #3b82f6;
  color: #fff;
  padding: 0.8rem 1.6rem;
  border-radius: 0.8rem;
  box-shadow: 0 0.2rem 1.2rem rgba(0, 0, 0, 0.2);
}

.nav-cta:hover,
.nav-cta:active {
  background-color: #3575dd;
  box-shadow: 0 0.2rem 1.2rem rgba(0, 0, 0, 0.1);
}

.header.sticky {
  position: fixed;
  width: 100%;
  background-color: #fff;
  z-index: 999;
  height: 6.4rem;
}

.header.sticky .main-nav {
  height: 6.4rem;
}

.header.sticky .nav-cta:link,
.header.sticky .nav-cta:visited,
.header.sticky .nav-cta:hover,
.header.sticky .nav-cta:active {
  box-shadow: none;
}

.menu-btn {
  border: none;
  background: none;
  cursor: pointer;
  position: absolute;
  right: 2.4rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;

  display: none;
}

.menu-icon {
  color: #3b82f6;
  font-size: 4rem;
}

.header .menu-icon.icon--close {
  display: none;
}

/*! Hero Section */

.section-hero {
  padding: 2.4rem 0 9.6rem 0;
  position: relative;
}

.section-hero::before {
  content: "";
  position: absolute;
  z-index: -999;
  height: calc(100% + 8rem);
  bottom: 0;
  left: 0;
  width: 100%;
  opacity: 0.06;
  background-image: url(../img/warped-grid.webp);
  background-size: cover;
}

.hero-contacts {
  z-index: 99;
  list-style: none;
  display: flex;
  gap: 1.2rem;
  margin-left: 2.4rem;
}

.contacts-icon {
  font-size: 2.4rem;
}

.logo--telegram {
  color: #24a1de;
}
.logo--linkedin {
  color: #0a66c2;
}
.logo--gmail {
  color: #c71610;
}

.hero-text-box {
  align-self: center;
}

.hero-text {
  font-weight: 600;
  font-size: 2rem;
  line-height: 1.6;
}

.profession {
  display: inline-block;
  text-transform: uppercase;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #999;
}

.hero-description {
  margin-bottom: 3.2rem;
  font-size: 1.8rem;
  line-height: 1.6;
}

.biography {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 4.8rem;
}

.biography li {
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.8;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.biography-icon {
  color: #222;
  font-size: 2.4rem;
  color: #3575dd;
}

.hero-img-box {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img-container {
  position: relative;
  width: 75%;
}

.hat-img {
  position: absolute;
  width: 65%;
  top: -10%;
  left: 25%;
  z-index: 99;
  opacity: 0;
  transition: all 0.7s;
}

.magic .hat-img {
  opacity: 1;
}

.hero-img {
  width: 100%;
  filter: drop-shadow(0 0 1.2rem rgba(0, 0, 0, 0.15));
}

/*! Skills Section */

.section-skills {
  padding: 6.4rem 0;
}

.skills {
  display: flex;
  justify-content: space-around;
}

.skills-text {
  font-size: 1.4rem;
  color: #234e94;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.4rem;
}

.skills-description {
  color: #999;
  display: block;
  margin-bottom: 2.4rem;
  font-size: 1.2rem;
}

.skill {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 1.4rem;
}

.skill-name {
  font-size: 1.2rem;
  letter-spacing: 0.5px;
}

.skill-logo {
  height: 4.8rem;
  width: 4.8rem;
  margin-bottom: 1.2rem;
}

.logo--html {
  color: #e34c26;
}

.logo--css {
  color: #264de4;
}

.logo--js {
  color: #f0db4f;
}

.logo--react {
  color: #61dafb;
}

.logo--nodejs {
  color: #3c873a;
}

.logo--npm {
  color: #cb3837;
}

.logo--github {
  color: #24292e;
}

.certified-star {
  display: inline-block;
  color: #ffd43b;
  transform: scale(1.3);
  margin-left: 0.2rem;
}

/*! About Me Section */

.section-about {
  padding: 9.6rem 0 6.4rem 0;
}

.grid--about {
  grid-template-columns: 70fr 30fr;
}

.about-text {
  font-size: 1.8rem;
  line-height: 1.8;
  margin-bottom: 4.8rem;
  max-width: 80rem;
}

.certificates-text {
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 1.2rem;
}

.certificates-list {
  list-style: none;
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.8;
  max-width: 62rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.certificates-list li::before {
  content: "\2012";
  color: #3b82f6;
  margin-right: 0.8rem;
}

.about-img-box {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-img {
  max-width: 100%;
}

/*! Projects Section */

.section-projects {
  padding: 9.6rem 0 6.4rem 0;
}

.projects {
  padding: 9.6rem 0;
}

.project-img-box {
  display: flex;
  justify-content: center;
  align-items: center;
}

.project-img {
  max-width: 90%;
}

.project-text-box {
  text-align: left;
  justify-self: center;
}

.project-name {
  font-size: 3.2rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.project-description {
  font-size: 1.8rem;
  line-height: 1.8;
  margin-bottom: 1.8rem;
  max-width: 50rem;
}

.project-skills {
  display: flex;
  gap: 1.2rem;
}

.project-logo {
  height: 3.2rem;
  width: 3.2rem;
}

.project-text-box .link:link,
.project-text-box .link:visited {
  display: inline-block;
  font-size: 1.8rem;
  margin-bottom: 2.4rem;
  font-weight: 500;
}

.projects-link:link,
.projects-link:visited {
  font-size: 1.6rem;
  color: #999;
  box-shadow: 0 1px 0 #999;
}

.projects-link:hover,
.projects-link:active {
  color: #777;
  box-shadow: none;
}

/*! Blog Section */

.section-blog {
  padding: 8rem 0 4.8rem 0;
}

.articles {
  padding: 6.4rem 0;
}

.article {
  display: flex;
  flex-direction: column;
  text-align: left;
  border-radius: 0.8rem;
  padding-bottom: 2.4rem;
  box-shadow: 0 2.4rem 4.8rem rgba(0, 0, 0, 0.075);
}

.article-img {
  max-width: 100%;
  border-top-left-radius: 0.8rem;
  border-top-right-radius: 0.8rem;
  margin-bottom: 2rem;
}

.article-text-box {
  padding: 0 3rem 0.8rem 3rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-title {
  font-size: 3rem;
  line-height: 1.4;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: #222;
}

.article-description {
  font-size: 1.8rem;
  line-height: 1.8;
  margin-bottom: 3.2rem;
}

.article-link:link,
.article-link:visited {
  font-size: 1.6rem;
  font-weight: 500;
  margin-left: auto;
}

.article-date,
.article-reading-time,
.article-icon,
.reactions-number,
.comments-number {
  font-size: 1.6rem;
  color: #777;
}

.icon--heart {
  color: #fa5252;
}

.icon--comments {
  color: #3b82f6;
}

.article-reactions,
.article-comments {
  display: flex;
  align-items: center;
  font-size: 1.4rem;
  gap: 0.4rem;
}

.article .row:last-child {
  margin-top: auto;
}

/*! What to expect (Services) Section */

.section-services {
  padding: 9.6rem 0;
}

.accordion {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  max-width: 100%;
  padding-top: 3.2rem;
}

.accordion-item {
  box-shadow: 0 0 3.2rem rgba(0, 0, 0, 0.07);
  padding: 2.4rem;

  display: grid;
  grid-template-columns: auto 1fr auto;
  column-gap: 2.4rem;
  row-gap: 2rem;
  align-items: center;
  transition: all 0.3s;

  position: relative;
  overflow: hidden;
}

.accordion-item:hover {
  cursor: pointer;
}

.accordion-open.accordion-item {
  max-height: 25rem;
}

.accordion-number,
.accordion-title {
  font-size: 2.4rem;
  font-weight: 500;
  transition: all 0.3s;
  line-height: 1.8;
}

.accordion-number {
  color: #ced4da;
}

.accordion-open .accordion-number,
.accordion-open .accordion-title {
  color: #234e94;
}

.accordion-icon {
  width: 2.4rem;
  height: 2.4rem;
  transition: all 0.3s;
}

.accordion-open .accordion-icon {
  stroke: #234e94;
  transform: rotate(180deg);
}

.accordion-item::before {
  content: "";
  position: absolute;
  height: 0.4rem;
  width: 0;
  top: 0;
  left: 0;
  box-shadow: inset 0 0.4rem 0 #234e94;
  transition: all 0.3s;
}

.accordion-open.accordion-item::before {
  width: 100%;
}

.hidden-text {
  grid-column: 2;
  user-select: none;
}

.hidden-text p {
  font-size: 1.8rem;
  line-height: 1.8;
  margin-bottom: 0.8rem;
  max-width: 60rem;
}

.hidden-text:hover {
  cursor: default;
}

/*! How to get started Section */

.section-how {
  padding: 8rem 0;
}

.timeline {
  max-width: 100rem;
  margin: 8rem auto;
  position: relative;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border-left: 4px dashed rgba(36, 160, 222, 0.5);

  height: 100%;
}

.timeline-row {
  width: 100%;
  display: flex;
}

.timeline-row section {
  max-width: calc(50% - 6.4rem);
  position: relative;
}

.timeline-title {
  font-size: 2.4rem;
  line-height: 1.8;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.timeline-text {
  font-size: 1.8rem;
  line-height: 1.8;
}

.timeline-title::before {
  position: absolute;
  top: 0;
  right: -6.4rem;
  transform: translateX(50%);
  color: #fff;
  background-color: #234e94;
  width: 4.8rem;
  height: 4.8rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  box-shadow: 0 0.2rem 2.4rem rgba(0, 0, 0, 0.2);
}

.timeline-row:nth-child(1) .timeline-title::before {
  content: "1";
}
.timeline-row:nth-child(2) .timeline-title::before {
  content: "2";
}
.timeline-row:nth-child(3) .timeline-title::before {
  content: "3";
}
.timeline-row:nth-child(4) .timeline-title::before {
  content: "4";
}

.timeline-row:nth-child(even) {
  justify-content: right;
}

.timeline-row:nth-child(even) .timeline-title::before {
  left: -6.4rem;
  transform: translateX(-50%);
}

.timeline-arrow {
  color: #fff;
  background-color: #234e94;
  width: 4.8rem;
  height: 4.8rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  text-decoration: none;
  font-size: 2.4rem;
  font-weight: 600;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -2.4rem;
  box-shadow: 0 0.2rem 2.4rem rgba(0, 0, 0, 0.2);
}

/*! CTA Section */

.section-cta {
  padding: 2.4rem 0 4.8rem 0;
}

.container--cta {
  background-color: #3b82f6;
  background: linear-gradient(288deg, #3b82f6, #2f68c5);
  /* background: linear-gradient(346deg, #4f8ff7, #89b4fa); */
  width: 100%;

  padding: 3.2rem;
  padding-bottom: 6.4rem;
  box-shadow: 0 0.2rem 3.2rem rgba(0, 0, 0, 0.2);
}

.container--cta-inner {
  margin: 6.4rem auto 9.6rem auto;
  column-gap: 8rem;
}

.cta-img-box {
  height: 45rem;
  border-radius: 0.8rem;
  background-image: url(../img/cta.webp);
  background-size: cover;
  background-position: center;
  margin-top: auto;
}

.subheading--cta {
  color: #9dc1fb;
}

.heading-cta {
  color: #fff;
  font-weight: 600;
  letter-spacing: -0.2rem;
  font-size: 5.2rem;
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.cta-text {
  font-size: 1.8rem;
  line-height: 1.8;
  color: #9dc1fb;
  margin-bottom: 4rem;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  text-align: left;
}

.cta-form input,
.cta-form textarea {
  border: none;
  border-radius: 0.8rem;

  background-color: #fff;
  font-size: 1.8rem;
  line-height: 1.8;
  width: 100%;

  display: flex;
  align-items: center;
  padding: 1.2rem 2.4rem;
  box-shadow: 0 0.2rem 3.2rem rgba(0, 0, 0, 0.1);
}

.cta-form input::placeholder,
.cta-form textarea::placeholder {
  color: #999;
}

.cta-form label {
  font-size: 1.8rem;
  color: #fff;
  font-weight: 500;
  display: inline-block;
  margin-bottom: 1.4rem;
  margin-left: 0.8rem;
}

.cta-form div:has(textarea) {
  grid-row: span 2;
}

.cta-form textarea {
  resize: none;
  overflow: hidden;
}

.btn-cta {
  width: 100%;
  border: none;
  border-radius: 0.8rem;

  background-color: #234e94;
  color: #fff;

  font-size: 1.8rem;
  font-weight: 600;
  padding: 1.6rem 3.2rem;
  margin: 2.4rem auto 0 auto;

  box-shadow: 0 0.2rem 1.2rem rgba(0, 0, 0, 0.1);
  transition: all 0.4s;

  grid-column: 1 / -1;
}

.btn-cta:hover,
.btn-cta:active {
  cursor: pointer;
  color: #3575dd;
  background-color: #fff;
  box-shadow: 0 0.2rem 1.2rem rgba(0, 0, 0, 0.05);
}

.cta-contacts {
  display: flex;
  list-style: none;
  gap: 1.2rem;
  justify-content: center;
}

.cta-contacts .contacts-icon {
  color: #fff;
  font-size: 3rem;
}

/*! Footer */

.footer {
  padding: 6.4rem 8rem;
  border-top: 2px dashed #eee;
}

.footer-container {
  display: flex;
  gap: 6.4rem;
}

.footer-main-col {
  margin-right: auto;
}

.footer-title {
  font-size: 3.2rem;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 1.2rem;
}

.footer-text {
  font-size: 1.6rem;
  line-height: 1.6;
  max-width: 32rem;
  margin-bottom: 3.2rem;
  color: #767676;
}

.footer-contacts {
  display: flex;
  list-style: none;
  gap: 1.8rem;
  margin-bottom: 3.2rem;
}

.footer-contacts .contacts-icon {
  color: #767676;
  font-size: 2.4rem;
}

.footer-col-title {
  font-size: 1.6rem;
  line-height: 1.6;
  font-weight: 500;
  margin-bottom: 3.2rem;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  list-style: none;
}

.footer-link:link,
.footer-link:visited {
  color: #767676;
  text-decoration: none;
  font-size: 1.6rem;
  transition: all 0.3s;
}

.footer-link:hover,
.footer-link:active {
  color: #555;
}

.btn--footer {
  border: none;
  font-size: 1.6rem;
  font-weight: 500;
  transition: all 0.3s;
  background-color: #3b82f6;
  color: #fff;
  padding: 0.8rem 1.6rem;
  border-radius: 0.8rem;
  box-shadow: 0 0.2rem 1.2rem rgba(0, 0, 0, 0.2);
}

.btn--footer:hover {
  cursor: pointer;
  background-color: #2f68c5;
  box-shadow: 0 0.2rem 1.2rem rgba(0, 0, 0, 0.1);
}