/* Reset: */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
  margin: 0;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

/* Theme: */
:root {
  /* colors: */
  --theme-colors-white: white;
  --theme-colors-primary-800: rgb(21 94 117 / 1);
  --theme-colors-primary-900: rgb(16 78 100 / 1);
  --theme-colors-gray: rgb(156 163 175 / 1);
  --theme-colors-gray-900: rgb(17 24 39 / 1);

  /* sizes: */
  --theme-size-8xl: 96rem;
  --theme-size-6xl: 72rem;
  --theme-spacing: 1rem;

  /* shadows: */
  --shadow: 0 2px 16px 4px rgb(0 0 0 / 0.1);
  --shadow-sm: 0 2px 16px -2px rgb(0 0 0 / 0.1);
}

/* Typography: */
body {
  font-family:
    ui-sans-serif,
    system-ui,
    sans-serif,
    "Apple Color Emoji",
    "Segoe UI Emoji",
    Segoe UI Symbol,
    "Noto Color Emoji";
  font-feature-settings: normal;
  font-variation-settings: normal;
  color: var(--theme-colors-gray-900);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--theme-colors-primary-800);
  font-weight: 300;
  text-transform: uppercase;
  font-stretch: semi-condensed;
  line-height: 1.25;
}

.prose :is(h1, h2, h3, h4, h5, h6) {
  font-weight: 200;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

a {
  color: var(--theme-colors-primary-800);
  text-decoration: none;

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

.invert-colors {
  background-color: var(--theme-colors-primary-900);
  color: var(--theme-colors-white);

  & :is(h1, h2, h3, h4, h5, h6, a) {
    color: var(--theme-colors-white);
  }
}

.column-layout {
  columns: 12rem auto;
  column-gap: 4rem;
  padding-block-start: 1.5em;

  & section {
    break-inside: avoid;

    & + section {
      margin-block-start: 1.5em;
    }

    & > *:is(h1, h2, h3, h4, h5, h6) {
      margin-block-start: 0;
    }
  }
}

/* Layout */
html {
  min-height: 100vh;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 1.25rem;
  line-height: 1.75rem;

  & nav {
    flex-grow: 0;
  }
}

a.logo {
  height: 5rem;
  flex-grow: 0;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--theme-colors-primary-800);
  text-decoration: none;

  &:hover {
    text-decoration: none;
  }

  & span {
    font-weight: 300;
    text-transform: uppercase;
    font-stretch: semi-condensed;
  }

  & img {
    width: 5rem;
    height: 5rem;
    flex-shrink: 0;
  }
}

main {
  margin-block: 3rem;
  flex-grow: 1;
}

footer {
  flex-shrink: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding-block: 5rem;

  & nav ul {
    display: flex;
    flex-direction: column;
  }
}

/* Navigation */
nav ul {
  list-style-type: none;
  display: flex;
  flex-wrap: wrap;
  padding-left: 0;
  gap: 1rem;
}

nav a {
  font-weight: 300;
  text-transform: uppercase;
  font-stretch: semi-condensed;
}

/* Utilities */
.no-scrollbar {
  /* Edge */
  -ms-overflow-style: none;

  /* Firefox */
  scrollbar-width: none;

  /* Chrome & Safari */
  &::-webkit-scrollbar {
    display: none;
  }
}

.wide-container {
  width: min(var(--theme-size-6xl), calc(100vw - 2 * var(--theme-spacing)));
  margin-inline: auto;
}

.filled-container {
  width: "100%";
  /**
   * Filled container needs to have full width, but adjust horizontal padding to maintain
   * content at max width of 6xl (72rem) minus default spacing. It also should have at least
   * default spacing (1rem) as horizontal padding.
   */
  padding-inline: max(
    var(--theme-spacing),
    calc((100% - var(--theme-size-6xl)) / 2 + var(--theme-spacing))
  );
}

.wide-image {
  width: min(var(--theme-size-8xl), 100vw);
  margin-inline: auto;
  object-fit: cover;
}

.h-auto {
  height: auto;
}

.h-full {
  height: 100%;
}

.overlay-link:after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
}

.card {
  position: relative;
  padding-inline: 1.5rem;
  padding-block: 2rem;
  box-shadow: var(--shadow);
  transition-property: box-shadow;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 0.15s;

  &:hover:is(.card) {
    box-shadow: var(--shadow-sm);
  }
}

p.subtitle,
p.location {
  color: var(--theme-color-gray);
  text-transform: uppercase;
}

section.anlaesse {
  margin-block: var(--theme-spacing);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  align-items: stretch;
  gap: var(--theme-spacing);
}

.prose {
  max-width: 65ch;
  font-size: 1.125rem;
  line-height: 1.75rem;

  & :where(p) {
    margin-top: 1.25em;
    margin-bottom: 1.25em;
  }

  & :is(h1, h2, h3, h4, h5, h6) {
    font-weight: 200;
  }

  & :where(h2) {
    font-size: 1.5em;
    margin-top: 2em;
    margin-bottom: 1em;
    line-height: 1.3333333;
  }

  & :where(h3) {
    font-size: 1.25em;
    margin-top: 1.6em;
    margin-bottom: 0.6em;
    line-height: 1.6;
  }

  & :where(h4) {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    line-height: 1.5;
  }

  & :where(h2 + *) {
    margin-top: 0;
  }

  & :where(strong) {
    font-weight: 600;
  }

  & :where(ul ul, ul ol, ol ul, ol ol) {
    margin-top: 0.75em;
    margin-bottom: 0.75em;
  }

  & ul {
    list-style-type: disc;
    margin-top: 1.25em;
    margin-bottom: 1.25em;
    padding-inline-start: 1.625em;

    & > li {
      margin-top: 0.5em;
      margin-bottom: 0.5em;
      padding-inline-start: 0.375em;

      &::marker {
        color: var(--theme-colors-gray);
      }
    }
  }
}

.carousel {
  position: relative;

  & > ul.items {
    padding-left: 0;
    width: 100%;
    display: flex;
    overflow-x: auto;
    list-style-type: none;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;

    & > li {
      flex-shrink: 0;
      flex-grow: 0;
      scroll-snap-align: center;
      scroll-snap-stop: always;
    }
  }
}