/* HAMBURGER */

#close-menu-btn {
  display: none;
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 2.5rem;
  color: #f1f1f1;
  z-index: 3001;
  cursor: pointer;
}

header.show-mobile-menu #close-menu-btn {
  display: block;
}

#hamburger-btn {
  color: #202020;
  cursor: pointer;
  display: none;
  position: absolute;
  right: 0;
  margin-right: 2rem;
  margin-top: 1.1rem;
}

html {
  /* Smooth Scroll: https://www.w3schools.com/HOWTO/howto_css_smooth_scroll.asp */
  scroll-behavior: smooth;
}

body {
  font-family: "Montserrat", sans-serif;
  font-weight: 400;
  width: 100%;
  margin: 0;
  padding: 0;
}

h1 {
  font-weight: 100;
  text-align: center;
  font-size: 8rem;
  /* margin: 4rem 0 1rem ; */
}

h2 {
  font-weight: 100;
  font-size: 4rem;
  margin: 4rem 7rem 1rem;
}

h3 {
  font-weight: 700;
  font-size: 1.75rem;
}

p {
  font-size: 1.25rem;
}

li {
  font-size: 2rem;
}

/* GRID */
.grid {
  display: grid;
}

/* HEADER */
.button-nav {
  font-family: "Montserrat", sans-serif;
  text-align: center;
  font-weight: 400;
  width: 10%;
  font-size: 1.5rem;
  background-color: #000000;
  color: #f1f1f1;
  padding: 1rem 1.5rem;
  border-radius: 10rem;
  text-decoration: none;
  /* Transition: https://www.w3schools.com/css/css3_transitions.asp */
  transition-property: background-color;
  transition-property: font-size;
  transition-duration: 0.25s;
}

.button-nav:hover {
  font-size: 1.75rem;
  opacity: 0.8;
}

.button-nav:focus {
  opacity: 0.8;
}

/* NAVIGATOR */
.nav-linkedin {
  font-family: "Comfortaa", serif;
  font-size: 1.25rem;
  font-weight: 400;
  color: #202020;
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
  align-self: center;
  margin-left: 1.5rem;
  margin-bottom: 0.4rem;
  transition: opacity 0.2s ease;
}

.nav-linkedin:hover {
  opacity: 0.6;
}

@media (width < 37rem) {
  .nav-linkedin {
    display: none;
  }
}

/* LinkedIn inside hamburger menu — hidden on desktop, shown on mobile */
.menu-container .nav-linkedin-mobile {
  display: none;
}

@media (width < 37rem) {
  .menu-container .nav-linkedin-mobile {
    display: flex;
  }
}

header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #ffffff;
}

.main-menu {
  padding: 1.5rem;
}
.main-menu img {
  width: 4rem;
  margin-left: 5rem;
  height: auto;
  transition: opacity 0.25s ease;
}

.main-menu .logo:hover img {
  opacity: 0.6;
}

.menu-container a {
  font-family: "Comfortaa", serif;
  white-space: nowrap;
  font-weight: 400;
  padding: 1rem 2.46rem;
  text-decoration: none;
  font-size: 1.25rem;
  transition-property: color;
  transition-duration: 0.25s;
  color: #202020;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-container a {
  position: relative;
  z-index: 0;
}

.menu-container a.active,
.menu-container a:focus {
  text-decoration: none;
  background-color: transparent;
  color: #f1f1f1;
}

.menu-container a.active::before,
.menu-container a:focus::before {
  content: '';
  position: absolute;
  inset: 0.15rem 0.55rem;
  background-color: #202020;
  border-radius: 10rem;
  z-index: -1;
}

.menu-container {
  display: flex;
  margin-top: 0.5rem;
  height: 3.2rem;
  justify-content: center;
  text-align: center;
  border-radius: 10rem;
  width: 24.5rem;
  border: 0.2rem solid #202020;
  margin-left: auto;
  margin-right: 2rem;
  transform: translate(1.5rem, 0.25rem);
}

.menu-container a {
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
  border-radius: 10rem;
}

.menu-container a:hover {
  background-color: transparent;
  color: #f1f1f1;
}

.menu-container a:hover::before {
  content: '';
  position: absolute;
  inset: 0.15rem 0.55rem;
  background-color: #202020;
  border-radius: 10rem;
  z-index: -1;
  opacity: 0.8;
}

/*ABOUT ME*/
#about-me {
  padding-bottom: 6rem;
}

.about-me-button-container {
  margin: 0;
  text-align: center;
  margin-top: 5rem;
}

.intro-text {
  text-align: center;
  margin-top: -5rem;
}

.more-about-me-container {
  margin-left: 5rem;
}

/* PROJECTS SECTION */

#feature-project {
  background-color: #252525;
  border-radius: 2.5rem 2.5rem 0 0;
  padding: 5rem 6rem 7rem;
}

.projects-heading {
  color: #f1f1f1;
  font-size: 2.5rem;
  font-weight: 300;
  margin: 0 0 3rem 0;
  letter-spacing: 0.02em;
  text-align: left;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.project-card {
  border-radius: 1rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background-color: #f1f1f1;
}

.project-card__img-link {
  display: block;
  overflow: hidden;
  flex-shrink: 0;
}

.project-card__img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.project-card__img-link:hover .project-card__img {
  transform: scale(1.04);
}

.project-card__body {
  padding: 1.5rem 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.project-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #202020;
  margin: 0;
  line-height: 1.35;
}

.project-card__status {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: #666;
  margin-top: 0.2rem;
}

.project-card__link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.project-card__link:hover {
  opacity: 1;
}

.project-card__icon {
  width: 1.75rem;
  height: 1.75rem;
  display: block;
}

.project-card__desc {
  font-size: 1rem;
  color: #555;
  line-height: 1.65;
  margin: 0;
}

/* CONTACT */
.linkedin-link {
  text-decoration: underline;
  color: #202020;
}

.contact-section {
  margin-top: 4rem;
}

.contact-icon {
  width: 8rem;
  height: 8rem;
  margin-bottom: 1rem;
}

.contact-container {
  justify-self: center;
  text-align: center;
}

/*BACK TO TOP*/
.back-to-top-button-container {
  margin: 0;
  text-align: center;
  margin-top: 6rem;
  margin-bottom: 6rem;
}

.copyright {
  text-align: center;
  font-weight: 100;
  font-size: 1rem;
  padding-bottom: 2.5rem;
}

/*FOOTER*/
footer {
  background-color: #202020;
  color: #f1f1f1;
  transform: translate(0, 1rem);
}

footer h2 {
  margin-top: 2.5rem;
  margin-left: 4rem;
}

.footer-container {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.logo2 {
  margin-left: 8rem;
  width: 8rem;
  height: auto;
}

.footerNavigationItem {
  color: #f1f1f1;
  text-decoration: none;
}

.footerNavigationItem:hover {
  text-decoration: underline;
  opacity: 0.85;
}

.footerNavigationItem:focus {
  opacity: 0.85;
}

.footer-menu-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

@media (width > 82rem) {
  .content-grid-menu {
    grid-template-columns: 0.7fr 2.2fr 0.5fr 0.2fr;
  }

  .content-grid-two {
    display: grid;
    grid-template-columns: 0.8fr 0.8fr;
  }

  .content-grid-two-1 {
    grid-template-columns: 0.8fr 0.2fr;
  }

  .content-grid-two-2 {
    grid-template-columns: 0.5fr 0.4fr;
  }

  .content-grid-three {
    grid-template-columns: 2.5fr 2.5fr 2.5fr;
    display: grid;
    /* Justify self: https://developer.mozilla.org/en-US/docs/Web/CSS/justify-self  */
    justify-self: center;
    column-gap: 3rem;
    row-gap: 2rem;
  }

  .container_one {
    width: 100%;
  }

  .content-grid-three-1 {
    grid-template-columns: 3.5fr 2.5fr 2.5fr;
    display: grid;
  }

  .content-grid-three-1 h2 {
    width: 110%;
  }

  .content-grid-three-2 {
    grid-template-columns: 0.5fr 4fr 2.5fr;
    display: grid;
  }
}

@media (min-width: 55rem) and (max-width: 82rem) {
  .content-grid-menu {
    grid-template-columns: 0.7fr 2.2fr 0.5fr 0.2fr;
  }

  .content-grid-two {
    grid-template-columns: 1fr 1fr;
  }

  .content-grid-two-1 {
    grid-template-columns: 0.8fr 0.2fr;
  }

  .content-grid-two-2 {
    grid-template-columns: 0.7fr 0.4fr;
  }

  .content-grid-three {
    grid-template-columns: 2.5fr 2.5fr;
    display: grid;
    justify-self: center;
    column-gap: 2rem;
    row-gap: 2rem;
  }

  .content-grid-three-1 {
    display: grid;
    grid-template-rows: auto auto;
    /* Repeat function: https://developer.mozilla.org/en-US/docs/Web/CSS/repeat */
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    align-items: center;
  }

  .content-grid-three-1 h2 {
    margin-bottom: 2rem;
    /* Grid column: https://developer.mozilla.org/en-US/docs/Web/CSS/grid-column  */
    grid-column: 1 / -1;
    text-align: center;
  }

  .project-card__img {
    height: 13rem;
  }

  .content-grid-three-2 {
    grid-template-columns: 0.5fr 4fr 2.5fr;
    display: grid;
  }

  footer h2 {
    width: 80%;
    margin-top: 0;
  }
}

@media (min-width: 37rem) and (max-width: 55rem) {
  .menu-container {
    margin-top: -5rem;
  }

  .logo {
    margin-left: -1.25rem;
  }

  h1 {
    font-size: 6rem;
  }

  .intro-text {
    margin-top: -4rem;
    line-height: 2rem;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
  }

  .content-grid-two {
    grid-template-columns: 1fr;
  }

  .content-grid-three {
    grid-template-columns: 2.5fr 2.5fr;
    justify-self: center;
    column-gap: 3rem;
    row-gap: 2rem;
  }

  .content-grid-three-1 {
    display: grid;
    grid-template-rows: auto auto;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    align-items: center;
  }

  .content-grid-three-1 h2 {
    margin-bottom: 2rem;
    grid-column: 1 / -1;
    text-align: center;
  }

  #feature-project {
    padding: 4rem 3rem 5rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .content-grid-three-2 {
    grid-template-columns: 0.5fr 1fr 2.5fr;
    display: grid;
  }

  .footer-container {
    margin-left: -4rem;
  }

  .logo2 {
    width: 6rem;
    height: auto;
  }

  footer h2 {
    margin-top: 0;
  }

  .footerNavigationItem {
    margin-left: -3rem;
  }

  .footerNavigationItem {
    text-decoration: underline;
  }
}

@media (width < 37rem) {
  .intro-text {
    max-width: 90%;
  }

  .contact-icon {
    width: 6rem;
    height: 6rem;
    margin-top: 2.5rem;
    margin-bottom: 0rem;
  }

  #hamburger-btn {
    display: block;
    font-size: 2.5rem;
  }

  #close-menu-btn {
    display: none;
    position: absolute;
    top: 3.2rem;
    right: 4.2rem;
    font-size: 2.5rem;
    color: #f1f1f1;
    z-index: 3000;
    cursor: pointer;
  }

  header.show-mobile-menu #close-menu-btn {
    display: block;
  }

  .menu-container {
    position: fixed;
    top: 0;
    left: -100vw;
    width: 110vw;
    height: 102vh;
    background: #202020;
    display: flex;
    flex-direction: column;
    z-index: 2000;
    padding: 0;
    border-radius: 0;
    /* Fade-in animation: https://blog.hubspot.com/website/css-fade-in  */
    transition: opacity 0.4s ease;
    opacity: 0;
    pointer-events: none;
    margin-top: -1rem;
    margin-left: -2rem;
  }

  header.show-mobile-menu .menu-container {
    left: 0;
    opacity: 1;
    pointer-events: auto;
  }

  .menu-container a {
    color: #f1f1f1;
    font-size: 2rem;
    text-decoration: none;
    margin: 0.5rem 1.5rem;
    text-align: left;
    /* Translate: https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function/translate */
    transform: translate(0rem, -10rem);
  }

  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.5rem;
    width: 100%;
    text-align: center;
    margin-left: 0;
  }

  h3 {
    font-size: 1.25rem;
  }

  .greeting-text {
    width: 100%;
    text-align: center;
    margin-left: 0;
  }

  .intro-text {
    margin-top: -1.5rem;
    line-height: 2rem;
    width: 100%;
    margin-left: 1rem;
  }

  .content-grid-three {
    grid-template-columns: 2.5fr;
    display: grid;
    justify-self: center;
    column-gap: 2rem;
    row-gap: 2rem;
  }

  #feature-project {
    padding: 3rem 1.5rem 4rem;
    border-radius: 1.5rem 1.5rem 0 0;
  }

  .projects-heading {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: left;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .project-card__img {
    height: 12rem;
  }

  footer {
    width: 100%;
  }

  .content-grid-three-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    justify-items: center;
    text-align: center;
    padding: 2rem 1rem;
  }

  .logo2,
  footer h2,
  .footerNavigationItem {
    margin-left: 0;
    margin-right: 0;
  }

  .footerNavigationItem {
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
  }

  .footerNavigationItem {
    text-decoration: underline;
  }
}