@charset "UTF-8";

html {
  scroll-behavior: smooth;
}

body {
  font-size: 1rem;
}

a {
  & {
    text-decoration: none;
    color: black;
  }

  &:hover {
    text-decoration: underline;
  }
}

header {
  & {
    top: 0;
    position: fixed;
    width: 100%;
    z-index: 1;
  }

  nav {
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    background-color: white;
  }

  .icon {
    & {
      margin: auto 2px;
    }

    img {
      width: 30px;
      height: 30px;
      opacity: 1;
    }

    img:hover {
      opacity: 0.65;
    }
  }

  .menu {
    display: flex;
    list-style: none;
    padding-inline-start: 0;

    li {
      padding: 0 16px;
    }
  }

  @media (max-width: 480px) {
    .menu {
      display: none;
    }
  }
}

.home-content {
  & {
    margin: 20px;
  }

  .home-title {
    font-size: 4.5rem;
    text-align: center;
  }
  .home-subtitle {
    font-size: 1.3rem;
    text-align: center;
  }
}

.section {
  & {
    min-width: 100vw;
    /* height of scroll-margin-top is deducted from full screen height */
    min-height: calc(100vh - 100px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  &:not(#home) {
    margin-top: 200px;
    scroll-margin-top: 100px;
  }

  .title {
    font-size: 3rem;
    width: 70%;
    display: flex;
    align-items: center;
    margin-bottom: 30px;
  }

  /* adding divider around section title */
  .title::before,
  .title::after {
    margin: 0 20px;
    flex: 1;
    content: "";
    border-bottom: 1px solid black;
  }

  .subtitle {
    font-size: 1.3rem;
    padding: 20px;
  }

  .content {
    min-height: 60vh;
    width: 60vw;

    p {
      text-indent: 1rem;
      line-height: 1.3;
    }
  }

  @media (max-width: 480px) {
    .title {
      width: 90%;
    }

    .content {
      width: 75vw;
    }
  }
}

.timeline {
  &:not(:last-child) {
    margin-bottom: 30px;
  }
}
.timeline-item {
  /* adding a base line of timeline */
  & {
    padding: 48px 0 32px 32px;
    position: relative;
    border-left: 2px solid black;
  }

  &:first-child {
    border-image: linear-gradient(to bottom, grey, black) 1;
  }
  &:last-child {
    border-image: linear-gradient(to bottom, black, white) 1;
  }

  /* adding date next to circle */
  &::before {
    content: attr(date-on);
    color: grey;
    position: absolute;
    top: 16px;
    left: 32px;
  }

  /* adding a circle for the point in time */
  &::after {
    content: "";
    position: absolute;
    top: 16px;
    left: -8px;
    width: 10px;
    height: 10px;
    border-radius: 10px;
    border: 2px solid black;
    background: white;
  }

  .timeline-title {
    font-size: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .timeline-content {
    margin-top: 10px;
    color: grey;
  }

  .item-links {
    & {
      margin: auto 2px;
      display: flex;
      gap: 5px;
    }

    img {
      width: 20px;
      height: 20px;
      opacity: 1;
    }

    img:hover {
      opacity: 0.65;
    }
  }
}

.items {
  & {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }

  .item {
    padding: 20px;
    border: 1px solid black;
    box-shadow: 10px 10px 0 rgb(0 0 0 / 0.3);
  }
  .item-title {
    font-size: 1.2rem;
    padding: 5px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .item-content {
    margin: 10px 0;
    padding: 0 0 0 20px;
    border-left: 0.5px solid black;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .item-detail {
    margin: 20px 0 0 0;
    padding-top: 10px;
    color: grey;
    border-top: 0.5px solid grey;
    display: flex;
    justify-content: space-between;
  }
  .item-links {
    & {
      margin: auto 2px;
      display: flex;
      gap: 5px;
    }

    img {
      width: 20px;
      height: 20px;
      opacity: 1;
    }

    img:hover {
      opacity: 0.65;
    }
  }
}

footer {
  width: 100%;
  margin-top: 50px;
  padding: 10px 0;
  font-size: 0.8rem;
  text-align: center;
}