/* Reset */

* {
  margin: 0px;
  padding: 0px;
  word-wrap: break-word;
  box-sizing: border-box;
}

/* html {
  font-size: 16px;
} */

/* Variables */

:root {
  /* colors */
  --white: rgb(255, 255, 255);
  --grey-900: rgb(72, 85, 106);
  --grey-500: rgb(110, 128, 152);
  --grey-400: rgb(157, 174, 194);
  --grey-200: rgb(236, 242, 248);

  /* typography */

  --preset-font-1: 800 1.25rem/1.3 "Manrope";
  --preset-letter-spacing-1: 0.25em;

  --preset-font-2: 500 0.813rem/1.4 "Manrope";
  --preset-letter-spacing-2: 0.12em;

  --preset-font-2-bold: 700 0.813rem/1.4 "Manrope";

  --preset-font-3: 400 0.813rem/1.4 "Manrope";
  --preset-letter-spacing-3: 0.25em;

  /* spacing */
  --spacing-0000: 0px;
  --spacing-0200: 16px;
  --spacing-0300: 24px;
  --spacing-0400: 32px;
  --spacing-0500: 40px;
  --spacing-0600: 48px;
  --spacing-0700: 56px;
  --spacing-0800: 64px;
  --spacing-1300: 104px;
  --spacing-2000: 160px;
}

/* Layout */

footer {
  position: fixed;
  bottom: 20px;
  left: 50%;
  translate: -50% 0px;
  z-index: -1;
}

.attribution {
  font-size: 11px;
  text-align: center;
}

.attribution a {
  color: hsl(228, 45%, 44%);
}

body {
  height: 100dvh;
  display: grid;
  align-items: center;
  padding: var(--spacing-0300);
}

main {
  display: grid;
  row-gap: var(--spacing-0400);
}

.text-content {
  display: grid;
  row-gap: var(--spacing-0600);
  padding-inline: var(--spacing-0400);
  padding-bottom: var(--spacing-0200);
}

.article-content {
  display: grid;
  row-gap: var(--spacing-0300);
}

.author-content {
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
}

.author-content.active {
  margin: calc(var(--spacing-0200) * -1) calc(var(--spacing-0400) * -1);
  padding: var(--spacing-0200) var(--spacing-0400);
}

.author-details {
  display: grid;
  grid-template-columns: min-content auto;
  column-gap: var(--spacing-0200);
  height: var(--spacing-0500);
  flex: 1;

  div {
    display: grid;
    align-items: center;
  }
}

.social-links {
  display: grid;
  grid-template-columns: min-content auto;
  column-gap: var(--spacing-0300);
  flex: 1;
  justify-content: center;

  div {
    display: flex;
    flex-direction: row;
    column-gap: var(--spacing-0200);
  }

  p {
    display: inline;
  }
}

.author-details[hidden],
.social-links[hidden] {
  display: none;
}

@media (min-width: 767px) {
  body {
    padding: var(--spacing-0800);
  }

  main {
    grid-template-columns: min-content auto;
    align-items: center;
  }

  .text-content {
    padding: var(--spacing-0500);
    row-gap: var(--spacing-0300);
  }

  .author-content.active {
    background-color: transparent;
  }

  .author-details[hidden] {
    display: grid;
  }

  .author-content.active {
    background-color: var(--grey-900);
  }

  .social-links {
    position: fixed;
  }
}

/* Styling */

html {
  font: var(--preset-font-3);
  letter-spacing: var(--preset-letter-spacing-3);
}

main {
  border-radius: var(--spacing-0200);
  border: none;
  background-color: var(--white);
  box-shadow: 4px 10px 30px var(--grey-400);
}

#hero-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
  img {
    width: 100%;
    object-fit: cover;
    object-position: top;
  }
}

.article-content {
  display: grid;
  row-gap: var(--spacing-0300);

  h1 {
    font: var(--preset-font-1);
    letter-spacing: var(--preset-letter-spacing-1);
    color: var(--grey-900);
  }

  p {
    font: var(--preset-font-2);
    letter-spacing: var(--preset-letter-spacing-2);
    color: var(--grey-500);
  }
}

.author-content {
  border-bottom-left-radius: var(--spacing-0200);
  border-bottom-right-radius: var(--spacing-0200);
}

.author-content.active {
  background-color: var(--grey-900);
  position: relative;
}

.author-details {
  img {
    border-radius: 50%;
    height: var(--spacing-0500);
  }
  div {
    address {
      font: var(--preset-font-2-bold);
      letter-spacing: var(--preset-letter-spacing-2);
      color: var(--grey-900);
    }
    time {
      font: var(--preset-font-2);
      letter-spacing: var(--preset-letter-spacing-2);
      color: var(--grey-500);
    }
  }
}

.social-links {
  color: var(--grey-400);
  font: var(--preset-font-3);
  letter-spacing: var(--preset-letter-spacing-3);
  text-transform: uppercase;
  background-color: var(--grey-900);
}

#button-show-author-links {
  border-radius: 50%;
  border: none;
  height: 32px;
  aspect-ratio: 1;
  background-color: var(--grey-200);
}

#button-show-author-links.active {
  background-color: var(--grey-500);

  img {
    filter: brightness(100);
  }
}

@media (min-width: 767px) {
  main {
    max-width: 730px;
    max-height: 350px;
    margin: auto;
  }

  #hero-image {
    min-width: 225px;
    max-width: 285px;
    height: 100%;
    border-top-right-radius: 0px;
    border-bottom-left-radius: inherit;

    img {
      height: 100%;
    }
  }

  .author-content.active {
    background-color: transparent;
  }

  .social-links {
    border-radius: 8px;
    padding: var(--spacing-0200) var(--spacing-0400);
    position: absolute;
    top: 0px;
    right: 47px;
    translate: 50% -100%;
  }

  .social-links::after {
    content: "";
    position: absolute;
    bottom: -10px; /* Adjusts the position of the tail */
    left: 50%; /* Adjusts the horizontal alignment */
    translate: -50%;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 10px 0 10px;
    border-color: var(--grey-900) transparent transparent transparent;
  }
}