*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--background-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-hover);
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5em;
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
}

h1 { font-size: 2em; }
h2 { font-size: 1.75em; }
h3 { font-size: 1.5em; }
h4 { font-size: 1.25em; }
h5 { font-size: 1.1em; }
h6 { font-size: 1em; }

p {
  margin-top: 0;
  margin-bottom: 1em;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul ul,
ol ul,
ul ol,
ol ol {
  margin-bottom: 0;
}

li {
  margin-bottom: 0.25em;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

figure {
  margin: 0 0 1rem;
}

button,
input,
optgroup,
select,
textarea {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button,
input {
  overflow: visible;
}

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
  cursor: pointer;
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  padding: 0;
  border-style: none;
}

input[type="checkbox"],
input[type="radio"] {
  -webkit-appearance: none;
  appearance: none;
  width: 1em;
  height: 1em;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  background-color: var(--background-color-white);
  cursor: pointer;
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
textarea {
  width: 100%;
  padding: 0.5em 0.75em;
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--background-color-white);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-base);
  transition: var(--transition-fast);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-disabled);
}

table {
  width: 100%;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-collapse: collapse;
}

table th,
table td {
  padding: 0.75rem;
  vertical-align: top;
  border-top: 1px solid var(--border-color);
}

table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid var(--border-color);
}

table tbody + tbody {
  border-top: 2px solid var(--border-color);
}

blockquote {
  margin: 0 0 1rem;
  padding: 1rem 1.5rem;
  border-left: 5px solid var(--primary-color);
  background-color: var(--background-color-light);
}

code,
kbd,
pre,
samp {
  font-family: 'Menlo', 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: 90%;
}

code {
  padding: 0.2em 0.4em;
  color: var(--error-color);
  background-color: rgba(255, 77, 79, 0.1);
  border-radius: var(--border-radius-sm);
}

pre {
  display: block;
  padding: 1rem;
  margin: 0 0 1rem;
  font-size: 90%;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background-color-light);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-base);
  overflow-x: auto;
}

pre code {
  padding: 0;
  font-size: inherit;
  color: inherit;
  background-color: transparent;
  border-radius: 0;
}

hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--border-color);
}

.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
  max-width: var(--content-max-width);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col {
  flex: 1;
  padding-right: 15px;
  padding-left: 15px;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--spacing-xs) !important; }
.pt-2 { padding-top: var(--spacing-sm) !important; }
.pt-3 { padding-top: var(--spacing-md) !important; }
.pt-4 { padding-top: var(--spacing-lg) !important; }
.pt-5 { padding-top: var(--spacing-xl) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--spacing-xs) !important; }
.pb-2 { padding-bottom: var(--spacing-sm) !important; }
.pb-3 { padding-bottom: var(--spacing-md) !important; }
.pb-4 { padding-bottom: var(--spacing-lg) !important; }
.pb-5 { padding-bottom: var(--spacing-xl) !important; }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }

@media (max-width: 768px) {
  .container {
    padding-right: 10px;
    padding-left: 10px;
  }
  
  .row {
    margin-right: -10px;
    margin-left: -10px;
  }
  
  .col {
    padding-right: 10px;
    padding-left: 10px;
  }
}