/* General styles */

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

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;

  --primary-text-color: #181820;
  --secondary-text-color: #5c5c62;
  --durability-text-color: #6a737d9c;
  --icon-color: #6a737d;
  --border-color: #ff9a0045;
  --text-decoration-color: #ff9a00;
}

.container {
  margin: 0 auto;
  padding: 0 30px;
  max-width: 900px;
}

.fh {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.fv {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.resume {
  margin: 50px auto;
  border: 1px solid #f5f5f5;
  box-shadow: 1px 1px 7px 7px #f5f5f5;
  padding: 30px 0;
  max-width: 900px;
}

.resume__block {
  border-bottom: 3px solid var(--border-color);
  padding-bottom: 30px;
  margin-bottom: 15px;
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

a.toggler {
  color: var(--primary-text-color);
}

/* Contact info styles */

.contact-info__header,
.contact-info__sub-header {
  text-align: center;
}

.contact-info__header {
  color: var(--primary-text-color);
  margin-bottom: 15px;
  text-decoration-color: var(--text-decoration-color);
  text-decoration-line: underline;
}

.contact-info__sub-header {
  color: var(--secondary-text-color);
  margin-bottom: 30px;
}

.contact-info__block {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info__block--center {
  justify-content: center;
}

.contact-info__item {
  color: var(--secondary-text-color);
  text-decoration: none;
  display: flex;
  justify-content: start;
}

.contact-info__item:not(:last-child) {
  margin-bottom: 20px;
}

.contact-info__item-icon-wrapper {
  margin-right: 10px;
  width: 20px;
  display: flex;
  justify-content: center;
}

.contact-info__item-icon path {
  fill: var(--icon-color);
}

.contact-info__item-icon {
  height: 1.1428rem;
  vertical-align: text-bottom;
}

.contact-info__avatar {
  border-radius: 50%;
  width: 100px;
  height: 100px;
  object-fit: cover;
  border: 3px solid;
  border-color: var(--text-decoration-color);
}

/* Intro, skills and related interests styles */

.intro {
  display: flex;
  justify-content: start;
}

.intro__icon-wrapper {
  margin-right: 30px;
  width: 30px;
  display: flex;
  justify-content: center;
}

.intro__icon {
  height: 1.1428rem;
  vertical-align: text-bottom;
}

.intro__icon use {
  color: var(--text-decoration-color);
}

.intro_text {
  color: var(--secondary-text-color);
  text-align: justify;
}

.intro_text:not(:last-child) {
  margin-bottom: .5em;
}

.skills,
.related-interests {
  display: flex;
  flex-direction: column;
  gap: 1em;
}

.skills__header,
.related-interests__header {
  color: var(--secondary-text-color);
  text-align: center;
}

.skills__text,
.related-interests__text {
  color: var(--secondary-text-color);
  text-align: justify;
}

.related-interests__text {
  text-indent: 2em;
}

/* Experience and additional info styles */

.experiences {
  flex: 1 1 55%;
  display: flex;
  flex-direction: column;
  gap: 1.5em;
  margin-right: 50px;
}

.experiences__header {
  color: var(--secondary-text-color);
  text-align: left;
}

.experiences__company-project {
  color: var(--secondary-text-color);
}

.experiences__company-project-name {
  color: var(--primary-text-color);
  display: flex;
  gap: 0.5em;
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.experiences__company-project-skills {
  color: var(--durability-text-color);
  text-align: left;
  margin-bottom: 10px;
  font-size: 13px;
}

.experiences__company-project-link-icon-wrapper {
  color: var(--secondary-text-color);
  width: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.experiences__company-project-description {
  color: var(--secondary-text-color);
  padding-left: 20px;
}

.experiences__company-project-description a {
  color: var(--secondary-text-color);
}

.additional-info {
  flex: 1 1 40%;
}

.additional-info__education {
  margin-bottom: 2em;
  display: flex;
  flex-direction: column;
  gap: 1.5em;
}

.additional-info__education-header {
  color: var(--secondary-text-color);
  text-align: left;
}

.additional-info__education-university {
  color: var(--durability-text-color);
}

.additional-info__education-university-durability {
  color: var(--durability-text-color);
  text-align: left;
  margin-bottom: 10px;
  font-size: 15px;
}

.additional-info__education-university-speciality {
  color: var(--primary-text-color);
  text-align: left;
}

.additional-info__education-university-name {
  color: var(--secondary-text-color);
  margin-bottom: 10px;
}

.additional-info__education-university-info {
  color: var(--secondary-text-color);
  font-size: 13px;
  padding-left: 20px;
}

.additional-info__languages {
  margin-bottom: 20px;
}

.additional-info__languages-header {
  color: var(--secondary-text-color);
  text-align: left;
  margin-bottom: 20px;
}

.additional-info__languages-item {
  color: var(--secondary-text-color);
}

/* Media queries (should be here to override selectors with equal specificity) */

@media screen and (width <=576px) {

  .main-info,
  .contact_info_container {
    flex-direction: column;
  }

  .contact_info_container {
    align-items: center;
  }

  .contact-info__block:not(:last-child) {
    margin-bottom: 20px;
  }

  .experiences {
    margin-right: 0;
    margin-bottom: 2em;
  }
}