/* -------------------------------- 

File#: _1_btn-states
Title: Buttons states
Descr: Multi-state button elements
Usage: codyhouse.co/license

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

* {
  font: inherit;
  margin: 0;
  padding: 0;
  border: 0;
}

body {
  background-color: hsl(0, 0%, 100%);
  font-family: system-ui, sans-serif;
  color: hsl(230, 7%, 23%);
  font-size: 1rem;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  color: hsl(230, 13%, 9%);
  font-weight: 700;
}

h1 {
  font-size: 2.0736rem;
}

h2 {
  font-size: 1.728rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.2rem;
}

ol, ul, menu {
  list-style: none;
}

button, input, textarea, select {
  background-color: transparent;
  border-radius: 0;
  color: inherit;
  line-height: inherit;
  appearance: none;
}

textarea {
  resize: vertical;
  overflow: auto;
  vertical-align: top;
}



table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

@media (min-width: 64rem) {
  body {
    font-size: 1.25rem;
  }

  h1 {
    font-size: 3.051rem;
  }

    h2 {
    font-size: 2.44rem;
  }

    h3 {
    font-size: 1.75rem;
  }

    h4 {
    font-size: 1.5625rem;
  }
}

/* variables */
:root {
  /* colors */
  --bh4-color-primary-hsl: 250, 84%, 54%;
  --bh4-color-bg-hsl: 0, 0%, 100%;
  --bh4-color-contrast-high-hsl: 230, 7%, 23%;
  --bh4-color-contrast-higher-hsl: 230, 13%, 9%;
  --bh4-color-bg-dark-hsl: 240, 4%, 95%;
  --bh4-color-white-hsl: 0, 0%, 100%;
  --bh4-color-primary-darker-hsl: 250, 84%, 38%;
  --bh4-color-primary-light-hsl: 250, 84%, 60%;
  --bh4-color-accent-hsl: 342, 89%, 48%;
  --bh4-color-accent-darker-hsl: 342, 89%, 38%;
  --bh4-color-accent-light-hsl: 342, 89%, 56%;

  /* spacing */
  --bh4-space-3xs: 0.25rem;
  --bh4-space-sm: 0.75rem;
  --bh4-space-2xs: 0.375rem;
}

@media(min-width: 64rem){
  :root {
    /* spacing */
    --bh4-space-3xs: 0.375rem;
    --bh4-space-sm: 1.125rem;
    --bh4-space-2xs: 0.5625rem;
  }
}

/* buttons */
.bh4-btn {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  font-size: 1em;
  white-space: nowrap;
  text-decoration: none;
  background: hsl(var(--bh4-color-bg-dark-hsl));
  color: hsl(var(--bh4-color-contrast-higher-hsl));
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: all 0.2s ease;
  will-change: transform;
  padding: var(--bh4-space-2xs) var(--bh4-space-sm);
  border-radius: 0.25em;
}

.bh4-btn:focus-visible {
  box-shadow: 0px 0px 0px 2px hsl(var(--bh4-color-bg-hsl)), 0px 0px 0px 4px hsla(var(--bh4-color-contrast-higher-hsl), 0.15);
  outline: none;
}

.bh4-btn:active {
  transform: translateY(2px);
}

.bh4-btn--primary {
  background: hsl(var(--bh4-color-primary-hsl));
  color: hsl(var(--bh4-color-white-hsl));
  box-shadow: inset 0px 1px 0px hsla(var(--bh4-color-white-hsl), 0.15), 0px 1px 3px hsla(var(--bh4-color-primary-darker-hsl), 0.25), 0px 2px 6px hsla(var(--bh4-color-primary-darker-hsl), 0.1), 0px 6px 10px -2px hsla(var(--bh4-color-primary-darker-hsl), 0.25);
}

.bh4-btn--primary:hover {
  background: hsl(var(--bh4-color-primary-light-hsl));
  box-shadow: inset 0px 1px 0px hsla(var(--bh4-color-white-hsl), 0.15), 0px 1px 2px hsla(var(--bh4-color-primary-darker-hsl), 0.25), 0px 1px 4px hsla(var(--bh4-color-primary-darker-hsl), 0.1), 0px 3px 6px -2px hsla(var(--bh4-color-primary-darker-hsl), 0.25);
}

.bh4-btn--primary:focus {
  box-shadow: inset 0px 1px 0px hsla(var(--bh4-color-white-hsl), 0.15), 0px 1px 2px hsla(var(--bh4-color-primary-darker-hsl), 0.25), 0px 1px 4px hsla(var(--bh4-color-primary-darker-hsl), 0.1), 0px 3px 6px -2px hsla(var(--bh4-color-primary-darker-hsl), 0.25), 0px 0px 0px 2px hsl(var(--bh4-color-bg-hsl)), 0px 0px 0px 4px hsl(var(--bh4-color-primary-hsl));
}

.bh4-btn--accent {
  background: hsl(var(--bh4-color-accent-hsl));
  color: hsl(var(--bh4-color-white-hsl));
  box-shadow: inset 0px 1px 0px hsla(var(--bh4-color-white-hsl), 0.15), 0px 1px 3px hsla(var(--bh4-color-accent-darker-hsl), 0.25), 0px 2px 6px hsla(var(--bh4-color-accent-darker-hsl), 0.1), 0px 6px 10px -2px hsla(var(--bh4-color-accent-darker-hsl), 0.25);
}

.bh4-btn--accent:hover {
  background: hsl(var(--bh4-color-accent-light-hsl));
  box-shadow: inset 0px 1px 0px hsla(var(--bh4-color-white-hsl), 0.15), 0px 1px 2px hsla(var(--bh4-color-accent-darker-hsl), 0.25), 0px 1px 4px hsla(var(--bh4-color-accent-darker-hsl), 0.1), 0px 3px 6px -2px hsla(var(--bh4-color-accent-darker-hsl), 0.1);
}

.bh4-btn--accent:focus {
  box-shadow: inset 0px 1px 0px hsla(var(--bh4-color-white-hsl), 0.15), 0px 1px 2px hsla(var(--bh4-color-accent-darker-hsl), 0.25), 0px 1px 4px hsla(var(--bh4-color-accent-darker-hsl), 0.1), 0px 3px 6px -2px hsla(var(--bh4-color-accent-darker-hsl), 0.1), 0px 0px 0px 2px hsl(var(--bh4-color-bg-hsl)), 0px 0px 0px 4px hsl(var(--bh4-color-accent-hsl));
}

/* icons */
.bh4-icon {
  height: var(--bh4-size, 1em);
  width: var(--bh4-size, 1em);
  display: inline-block;
  color: inherit;
  fill: currentColor;
  line-height: 1;
  flex-shrink: 0;
  max-width: initial;
}

.bh4-icon--is-spinning {
  animation: bh4-icon-spin 1s infinite linear;
}

@keyframes bh4-icon-spin {
  0% {
  transform: rotate(0deg);
}
  100% {
  transform: rotate(360deg);
}
}

/* component */
.btn-states {
  position: relative;
}

.btn-states--state-b:not(.btn-states--preserve-width) .btn-states__content-a {
  display: none;
}

.btn-states:not(.btn-states--state-b) .btn-states__content-b {
  display: none;
}

/* preserve button width when switching from state A to state B */
.btn-states--preserve-width .btn-states__content-b {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.btn-states--preserve-width.btn-states--state-b .btn-states__content-a {
  visibility: hidden;
}

/* utility classes */
.bh4-margin-right-3xs {
  margin-right: var(--bh4-space-3xs);
}

.bh4-flex-center {
  justify-content: center;
  align-items: center;
}

.bh4-inline-flex {
  display: inline-flex;
}