/*! Small Desktops (1280px) */
@media (max-width: 80rem) {
  .footer {
    padding: 6.4rem 3.2rem;
  }

  .footer-container {
    gap: 3.2rem;
  }

  .heading-cta {
    font-size: 4.4rem;
  }
}

/*! Landscape Tablets (1088px) */
@media (max-width: 68em) {
  html {
    font-size: 56.25%;
  }

  .main-nav-link:link,
  .main-nav-link:visited {
    font-size: 1.7rem;
  }
}

/*! Portrait Tablets (976px) */
@media (max-width: 61em) {
  .grid--3-cols {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-hero {
    padding: 4.8rem 0 3.2rem 0;
  }

  .article:nth-child(3) {
    width: 50%;
    grid-column: span 2;
    justify-self: center;
  }

  .footer-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    row-gap: 3.2rem;
  }

  .footer-main-col {
    grid-row: 2;
  }

  .heading-primary {
    font-size: 5.2rem;
    margin-bottom: 1.2rem;
  }

  .heading-secondary {
    font-size: 4.4rem;
    margin-bottom: 1.6rem;
  }

  .grid--about {
    grid-template-columns: 60fr 40fr;
    column-gap: 3.2rem;
  }

  .link-top:link,
  .link-top:visited {
    font-size: 3.2rem;
    width: 5.2rem;
    height: 5.2rem;
  }

  /*! How to get started Section */

  .timeline {
    gap: 5.2rem;
    margin-left: 4rem;
  }

  .timeline-row {
    padding-left: 6.4rem;
  }

  .timeline-row section {
    max-width: 60rem;
  }

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

  .timeline::before {
    left: 0;
  }

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

  .timeline-arrow {
    left: 0;
  }
}

/*! Smaller Tablets (904px) */
@media (max-width: 56.5em) {
  /*! Mobile Navigation */
  .menu-btn {
    display: block;
  }

  .header.sticky .main-nav {
    height: 100vh;
  }

  .main-nav {
    pointer-events: none;
    visibility: hidden;
    opacity: 0;
    transition: all 0.5s;

    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;

    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .main-nav-list {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6.4rem;
  }

  .main-nav-link:link,
  .main-nav-link:visited {
    font-size: 2rem;
  }

  .main-nav-link.nav-cta:link,
  .main-nav-link.nav-cta:visited {
    padding: 1.2rem 2.4rem;
  }

  .header.open .menu-icon[name="close-outline"] {
    display: block;
  }

  .header.open .menu-icon[name="menu-outline"] {
    display: none;
  }

  .header.open .main-nav {
    pointer-events: auto;
    visibility: visible;
    opacity: 1;
  }

  /*! General Styles */

  .grid {
    row-gap: 6.4rem;
  }

  .grid--2-cols {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 4.8rem;
  }

  /*! Hero Secion */
  .section-hero {
    padding: 0 0 6.4rem 0;
  }

  .hero-text-box {
    padding: 0 6.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero-description {
    max-width: 50rem;
  }

  .hero-img-container {
    max-width: 35rem;
  }

  .biography {
    flex-direction: row;
    gap: 3.2rem;
    margin-bottom: 3.2rem;
  }

  .biography li {
    flex-direction: column;
    align-items: center;
  }

  .biography-icon {
    font-size: 3.2rem;
  }

  /*! Skills Section  */

  .skills {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    row-gap: 3.2rem;
  }

  /*! About Section */

  .grid--about {
    grid-template-columns: 1fr;
    row-gap: 8rem;
  }

  .about-img {
    max-width: 50%;
  }

  .about-text {
    max-width: 70rem;
  }

  .certificates-text {
    font-size: 1.8rem;
  }

  .certificates-list {
    font-size: 1.8rem;
  }

  .certificates-list li::before {
    content: "";
    margin-right: 0;
  }

  /*! Projects Section */

  .project-img {
    max-width: 70%;
  }

  .project-img-box:nth-child(4) {
    grid-row: 3;
  }

  .project-text-box {
    margin: 0 auto;
    max-width: 70%;
  }

  .project-description {
    max-width: 100%;
  }

  /*! How to get started Section  */

  .timeline {
    margin-left: 1.2rem;
  }

  /*! Footer */

  .footer-container {
    gap: 4.8rem;
  }
}

/*! Mobile (688px) */

@media (max-width: 43em) {
  html {
    font-size: 50%;
  }

  .language {
    font-size: 1.8rem;
  }

  .link-top:link,
  .link-top:visited {
    right: 3.2rem;
  }

  .biography {
    gap: 2.4rem;
  }

  .biography li {
    font-size: 1.4rem;
  }

  .projects {
    padding: 4.8rem 0;
  }

  .projects.grid {
    row-gap: 8rem;
  }

  .section-services {
    padding-bottom: 2.4rem;
  }

  .footer-col {
    display: none;
  }

  .articles {
    padding-top: 3.2rem;
  }

  /*! How to get started Section */

  .timeline {
    margin: 4.8rem 0 0 0;
  }

  .section-how .center-text {
    text-align: left;
  }

  .timeline::before,
  .timeline-arrow {
    display: none;
  }

  .timeline-row {
    padding-left: 0;
  }

  .timeline-title::before {
    position: static;
    color: #222;
    background: none;
    width: auto;
    height: auto;
    display: inline;
    border-radius: 0;
    box-shadow: none;
  }

  .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. ";
  }
}

/*! Large Phones (592px) */

@media (max-width: 37em) {
  .container {
    padding: 0 3.2rem;
  }

  .grid--3-cols {
    grid-template-columns: 1fr;
  }
  
  .article:nth-child(3) {
    width: 100%;
    grid-column: 1;
    justify-self: auto;
  }

  .heading-secondary,
  .heading-cta {
    font-size: 4.2rem;
  }

  .hero-text-box {
    padding: 0;
  }

  .about-img {
    max-width: 70%;
  }

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

  .project-text-box {
    max-width: 100%;
  }

  .accordion-open.accordion-item {
    max-height: 40rem;
  }

  .container--cta {
    padding: 2rem 0 4.8rem 0;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .footer-main-col {
    grid-row: 1;
  }

  .footer-col-title {
    font-size: 1.8rem;
  }
}

/*! Small Phones (416px) */

@media (max-width: 26em) {
  .accordion-open.accordion-item {
    max-height: 45rem;
  }

  .hidden-text {
    grid-column: 1/ -1;
  }
}