:root {
  --max-width-container: 1920px;
  --column-content-max-width: 580px;
  --mobile-img-height: 200px;
  --header-height: 64px;
  --languages-height: 64px;

  --font-size-base: 16px;
  --font-size-small: 13px;
  --transition-duration-normal: 200ms;
  --lineHeights-base: 1.5;

  --space-0\.25: 1px;
  --space-0\.5: 2px;
  --space-1: 4px;
  --space-1\.25: 5px;
  --space-2: 8px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-20: 80px;
  --space-24: 96px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--fonts-body);
  color: var(--colors-text-primary);
  background: var(--colors-background-primary);
  transition-property: background-color;
  transition-duration: var(--transition-duration-normal);
  line-height: var(--lineHeights-base);
  width: 100%;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 0;
  padding: 0;
}

.btn, button {
  appearance: none;
  align-items: center;
  justify-content: center;
  display: inline-flex;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  transition: all .2s;
  cursor: pointer;
  border-radius: 999px;
  padding-inline: var(--space-6);
  padding-block: var(--space-1\.25);
  background: var(--button-secondary-default-background);
  border: 1px solid var(--button-secondary-default-border);
  color: var(--button-secondary-default-color);
  text-align: center;

  &.is-active {
    background: var(--button-secondary-default-background);
    color: var(--button-secondary-default-color);
    border-color: var(--button-secondary-default-border);
  }

  &:hover {
    background: var(--button-secondary-hover-background);
    color: var(--button-secondary-hover-color);
    border-color: var(--button-secondary-hover-border);
  }
}

/* HEADER */
.header {
  background: var(--colors-background-primary);
  position: sticky;
  z-index: 1;
  top: 0;
  left: 0;
  border-bottom: 1px solid var(--colors-outlined-secondary-01);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.logo {
  width: auto;
  height: var(--logo-height);
  margin-inline: auto;
  display: block;
}

.language-selector {
  position: absolute;
  right: var(--space-4);

  select {
    opacity: 0;
    position: absolute;
    inset: 0;
    z-index: 1;
    cursor: pointer;
  }

  label {
    position: relative;
    z-index: 0;
    font-size: var(--font-size-small);
    border: 1px solid var(--colors-outlined-secondary-05);
    padding-inline: var(--space-2);
    padding-block: var(--space-1\.25);
    border-radius: var(--space-2);
    display: inline-flex;
    align-items: center;

    transition: border var(--transition-duration-normal);
    &::after {
      content: '▾';
      margin-left: var(--space-4);
      font-size: var(--font-size-base);
      transition: color var(--transition-duration-normal);
    }
  }

  select:hover + label,
  select:focus + label {
    border-color: var(--colors-outlined-primary);
    &::after {
      color: var(--colors-outlined-primary);
    }
  }
}

/* LANDING */

.landing {
  display: grid;
  grid-template-columns: auto;
  grid-template-rows: max(240px, 1fr) 1fr;
  place-items: center;
  place-content: center;
  flex-direction: column;
  gap: var(--space-10);
  min-height: calc(100dvh - var(--header-height));
  margin-inline: auto;
  margin-top: 0;
  max-width: var(--max-width-container);
  width: 100%;
  padding-inline: var(--space-4);
  padding-block-end: var(--space-4);
  position: relative;
}

.landing__languages {
  display: none;
}

.landing__content {
  order: 2;
  display: flex;
  gap: var(--space-4);
  flex-direction: column;
  align-items: center;
  align-self: start;
  justify-self: auto;
  max-width: var(--column-content-max-width);
}

.landing__img {
  order: 1;
  align-self: end;
  height: var(--mobile-img-height);
  width: auto;
}

.landing__translation {
  display: none;

  &:first-child {
    display: contents
  }
;
}

.landing__title {
  font-family: var(--fonts-heading);
  font-weight: 700;
  font-size: var(--mobile-fs-title,1.125rem);
  line-height: var(--mobile-lh-title,1.5rem);
  text-align: center;
  color: var(--colors-text-primary);
}

.landing__text {
  font-weight: 400;
  font-size: var(--mobile-fs-text,.875rem);
  line-height: var(--mobile-lh-text,1.25rem);
  text-align: center;
  color: var(--colors-text-secondary);
}

.landing__actions {
  margin-top: var(--space-4) ;
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.btn--primary {
  text-decoration: none;
  color: var(--button-primary-default-color);
  border-color: var(--button-primary-default-background);
  background: var(--button-primary-default-background);

  &:hover {
    color: var(--button-primary-hover-color);
    border-color: var(--button-primary-hover-border);
    background: var(--button-primary-hover-background);
  }

}


dialog {
  transition: all var(--transition-duration-normal) allow-discrete;

  background: var(--colors-background-secondary);
  color: var(--colors-text-primary);
  border: 1px solid var(--colors-outlined-secondary-01);

  border-radius: var(--space-4);
  padding-block: var(--space-8);
  padding-inline: var(--space-12);
  text-align: center;

  transform: translateY(25%);
  opacity: 0;

  @starting-style {
    transform: translateY(0);
    opacity: 1;
  }

  &::backdrop {
    backdrop-filter: blur(0);
    transition: all var(--transition-duration-normal) allow-discrete;

    @starting-style {
      backdrop-filter: blur(0);
    }
  }

  &[open] {
    transform: translateY(0);
    opacity: 1;

    @starting-style {
      transform: translateY(25%);
      opacity: 0;
    }

    &::backdrop {
      backdrop-filter: blur(4px);
    }
  }

  h3 {
    font-size: calc(var(--font-size-base) * 1.5);
    font-weight: bold;
    margin-bottom: var(--space-4);
  }

  a {
    display: inline-block;
    margin-top: var(--space-2);
    color: var(--colors-base-primary);
  }

  button {
    position: absolute;
    top:0;
    right:0;
    margin: var(--space-2);
    padding: 0;
    width: var(--space-8);
    height: var(--space-8);
    border-color:transparent;
    border-radius: var(--space-2);

    &:hover {
      background: rgba(255 255 255 / 0.15);
      border-color:transparent;
    }
  }


}

/* DESKTOP MEDIA QUERY */

@media screen and (min-width: 62rem) {

  .language-selector {
    display: none;
  }

  .landing {
    grid-template-columns: var(--column-content-max-width) auto;
    grid-template-rows: auto;
    padding-bottom: var(--languages-height);
  }

  .landing__content {
    order: 1;
    align-items: flex-start;
    align-self: auto;
    justify-self: start;
  }

  .landing__img {
    order: 2;
    height: auto;
    width: 100%;
  }

  .landing__title {
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 2rem;
    text-align: left;
  }

  .landing__text {
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.5rem;
    text-align: left;
  }

  .landing__languages {
    display: flex;
    place-content: center;
    gap: var(--space-4);
    position: absolute;
    inset: auto 0 0 0;
    height: var(--languages-height);
  }

  .landing__languages {
    :where(button) {
      width: var(--space-10);
      height: var(--space-10);
      padding: 0;
      text-transform: uppercase;
      color: var(--button-secondary-disabled-color);
      background: var(--button-secondary-disabled-background);
      border: 1px solid var(--button-secondary-disabled-border);
    }
  }
}