:root {
   --clr-primary-100: #ffffff;
   --clr-primary-900: #000000;

   --ff-primary: 'Roboto', sans-serif;

   --ff-body: var(--ff-primary);

   --fw-light: 300;
   --fw-regular: 400;
   --fw-bold: 700;

   --fs-300: 1rem;
   --fs-400: 1.2rem;

   --fs-body: var(--fs-300);
   --fs-caption: var(--fs-300);

   --padding: 1.5rem;
}

@media (min-width: 50em) {
    :root {
        --fs-body: var(--fs-300);
    }
}

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin */
* {
    margin: 0;
    padding: 0;
    font: inherit;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role='list'],
ol[role='list'] {
  list-style: none;
}

/* Set core root defaults */
html:focus-within {
  scroll-behavior: smooth;
}

html,
body {
    height: 100%;
}

/* Set core body defaults */
body {
  text-rendering: optimizeSpeed;
  line-height: normal;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture,
svg {
  max-width: 100%;
  display: block;
}

/* Link */
a {
    color: var(--clr-primary-900);
}

a:hover {
    text-decoration: none;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
   scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Utility classes */
.text-primary-400 {
    color: var(--clr-primary-900);
}

.fw-light { font-weight: var(--fw-light); }
.fw-regular { font-weight: var(--fw-regular); }
.fw-bold { font-weight: var(--fw-bold); }

.fs-body { 
    font-size: var(--fs-body);
}

.fs-caption { 
    font-size: var(--fs-caption);
    margin-top: calc(var(--padding) / 2);
    margin-bottom: var(--padding);
}

.container {
    --max-width: 100%;

    width: min(var(--max-width), 100% - (var(--padding) * 2));
    margin-inline: auto;
}

.element-top-gap { padding-top: var(--padding);}
.element-bottom-gap { padding-bottom: var(--padding);}

.even-columns, .even-columns-info {
    display: grid;
    gap: var(--padding);
}

@media (min-width: 30em) {

  .even-columns-info {
      grid-auto-flow: column;
  }
}


@media (min-width: 50em) {

    .even-columns {
        grid-auto-flow: column;
    }

    .rx-align {
        text-align: right;
    }
}

/* General styling */

body {
    font-size: var(--fs-body);
    font-family: var(--ff-body);
    height: fit-content;
    padding-bottom: 1em;
}

header {
    background-color: var(--clr-primary-100);
    position: sticky;
    top: 0;
    width: 100%;
}