/*
 * base.css — foundation layer for artuis.com.
 *
 * Loaded before site.css. Holds only what the pages use: a CSS normalize,
 * the element defaults the design is built on, the few layout and form
 * utilities in the markup, and what site.js drives — the scroll reveal,
 * the mobile menu and the newsletter form. Site design lives in site.css.
 */

/* ── 1. Normalize ──────────────────────────────────────────────────── */
/*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */
/**
 * 1. Set default font family to sans-serif.
 * 2. Prevent iOS and IE text size adjust after device orientation change,
 *    without disabling user zoom.
 */
html {
  font-family: sans-serif;
  /* 1 */
  -ms-text-size-adjust: 100%;
  /* 2 */
  -webkit-text-size-adjust: 100%;
  /* 2 */
}
/**
 * Remove default margin.
 */
body {
  margin: 0;
}
/* HTML5 display definitions
   ========================================================================== */
/**
 * Correct `block` display not defined for any HTML5 element in IE 8/9.
 * Correct `block` display not defined for `details` or `summary` in IE 10/11
 * and Firefox.
 * Correct `block` display not defined for `main` in IE 11.
 */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
  display: block;
}
/**
 * 1. Correct `inline-block` display not defined in IE 8/9.
 * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
 */
audio,
canvas,
progress,
video {
  display: inline-block;
  /* 1 */
  vertical-align: baseline;
  /* 2 */
}
/**
 * Prevent modern browsers from displaying `audio` without controls.
 * Remove excess height in iOS 5 devices.
 */
audio:not([controls]) {
  display: none;
  height: 0;
}
/**
 * Address `[hidden]` styling not present in IE 8/9/10.
 * Hide the `template` element in IE 8/9/10/11, Safari, and Firefox < 22.
 */
[hidden],
template {
  display: none;
}
/* Links
   ========================================================================== */
/**
 * Remove the gray background color from active links in IE 10.
 */
a {
  background-color: transparent;
}
/**
 * Improve readability of focused elements when they are also in an
 * active/hover state.
 */
a:active,
a:hover {
  outline: 0;
}
/* Text-level semantics
   ========================================================================== */
/**
 * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
 */
abbr[title] {
  border-bottom: 1px dotted;
}
/**
 * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
 */
b,
strong {
  font-weight: bold;
}
/**
 * Address styling not present in Safari and Chrome.
 */
dfn {
  font-style: italic;
}
/**
 * Address variable `h1` font-size and margin within `section` and `article`
 * contexts in Firefox 4+, Safari, and Chrome.
 */
h1 {
  font-size: 2em;
  margin: 0.67em 0;
}
/**
 * Address styling not present in IE 8/9.
 */
mark {
  background: #ff0;
  color: #000;
}
/**
 * Address inconsistent and variable font size in all browsers.
 */
small {
  font-size: 80%;
}
/**
 * Prevent `sub` and `sup` affecting `line-height` in all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sup {
  top: -0.5em;
}
sub {
  bottom: -0.25em;
}
/* Embedded content
   ========================================================================== */
/**
 * Remove border when inside `a` element in IE 8/9/10.
 */
img {
  border: 0;
}
/**
 * Correct overflow not hidden in IE 9/10/11.
 */
svg:not(:root) {
  overflow: hidden;
}
/* Grouping content
   ========================================================================== */
/**
 * Address margin not present in IE 8/9 and Safari.
 */
figure {
  margin: 1em 40px;
}
/**
 * Address differences between Firefox and other browsers.
 */
hr {
  box-sizing: content-box;
  height: 0;
}
/**
 * Contain overflow in all browsers.
 */
pre {
  overflow: auto;
}
/**
 * Address odd `em`-unit font size rendering in all browsers.
 */
code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}
/* Forms
   ========================================================================== */
/**
 * Known limitation: by default, Chrome and Safari on OS X allow very limited
 * styling of `select`, unless a `border` property is set.
 */
/**
 * 1. Correct color not being inherited.
 *    Known issue: affects color of disabled elements.
 * 2. Correct font properties not being inherited.
 * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
 */
button,
input,
optgroup,
select,
textarea {
  color: inherit;
  /* 1 */
  font: inherit;
  /* 2 */
  margin: 0;
  /* 3 */
}
/**
 * Address `overflow` set to `hidden` in IE 8/9/10/11.
 */
button {
  overflow: visible;
}
/**
 * Address inconsistent `text-transform` inheritance for `button` and `select`.
 * All other form control elements do not inherit `text-transform` values.
 * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
 * Correct `select` style inheritance in Firefox.
 */
button,
select {
  text-transform: none;
}
/**
 * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
 *    and `video` controls.
 * 2. Correct inability to style clickable `input` types in iOS.
 * 3. Improve usability and consistency of cursor style between image-type
 *    `input` and others.
 * 4. Removed the input[type="submit"] selector to reduce
 *    specificity and defer to the .btn selector
 */
button,
html input[type="button"],
input[type="reset"] {
  -webkit-appearance: button;
  /* 2 */
  cursor: pointer;
  /* 3 */
}
/**
 * Re-set default cursor for disabled elements.
 */
button[disabled],
html input[disabled] {
  cursor: default;
}
/**
 * Remove inner padding and border in Firefox 4+.
 */
button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}
/**
 * Address Firefox 4+ setting `line-height` on `input` using `!important` in
 * the UA stylesheet.
 */
input {
  line-height: normal;
}
/**
 * It's recommended that you don't attempt to style these elements.
 * Firefox's implementation doesn't respect box-sizing, padding, or width.
 *
 * 1. Address box sizing set to `content-box` in IE 8/9/10.
 * 2. Remove excess padding in IE 8/9/10.
 */
input[type='checkbox'],
input[type='radio'] {
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */
}
/**
 * Fix the cursor style for Chrome's increment/decrement buttons. For certain
 * `font-size` values of the `input`, it causes the cursor style of the
 * decrement button to change from `default` to `text`.
 */
input[type='number']::-webkit-inner-spin-button,
input[type='number']::-webkit-outer-spin-button {
  height: auto;
}
/**
 * 1. changed from `textfield` to `none` to normalize iOS rounded input
 * 2. box-sizing: content-box rule removed
 *    (similar to normalize.css >=4.0.0)
 */
input[type='search'] {
  -webkit-appearance: none;
  /* 1 */
}
/**
 * Remove inner padding and search cancel button in Safari and Chrome on OS X.
 * Safari (but not Chrome) clips the cancel button when the search input has
 * padding (and `textfield` appearance).
 */
input[type='search']::-webkit-search-cancel-button,
input[type='search']::-webkit-search-decoration {
  -webkit-appearance: none;
}
/**
 * Define consistent border, margin, and padding.
 */
fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}
/**
 * 1. Correct `color` not being inherited in IE 8/9/10/11.
 * 2. Remove padding so people aren't caught out if they zero out fieldsets.
 */
legend {
  border: 0;
  /* 1 */
  padding: 0;
  /* 2 */
}
/**
 * Remove default vertical scrollbar in IE 8/9/10/11.
 */
textarea {
  overflow: auto;
}
/**
 * Don't inherit the `font-weight` (applied by a rule above).
 * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
 */
optgroup {
  font-weight: bold;
}
/* Tables
   ========================================================================== */
/**
 * Remove most spacing between table cells.
 */
table {
  border-collapse: collapse;
  border-spacing: 0;
}
td,
th {
  padding: 0;
}

/* ── 2. Element defaults ───────────────────────────────────────────── */
* {
  box-sizing: border-box;
}
html {
  height: 100%;
}
body {
  margin: 0;
  min-height: 100%;
  background-color: #fff;
  font-family: Arial, sans-serif;
  font-size: 14px;
  line-height: 20px;
  color: #333;
}
img {
  max-width: 100%;
  vertical-align: middle;
  display: inline-block;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: bold;
  margin-bottom: 10px;
}
h1 {
  font-size: 38px;
  line-height: 44px;
  margin-top: 20px;
}
h2 {
  font-size: 32px;
  line-height: 36px;
  margin-top: 20px;
}
h3 {
  font-size: 24px;
  line-height: 30px;
  margin-top: 20px;
}
h4 {
  font-size: 18px;
  line-height: 24px;
  margin-top: 10px;
}
h5 {
  font-size: 14px;
  line-height: 20px;
  margin-top: 10px;
}
h6 {
  font-size: 12px;
  line-height: 18px;
  margin-top: 10px;
}
p {
  margin-top: 0;
  margin-bottom: 10px;
}
blockquote {
  margin: 0 0 10px 0;
  padding: 10px 20px;
  border-left: 5px solid #E2E2E2;
  font-size: 18px;
  line-height: 22px;
}
figure {
  margin: 0;
  margin-bottom: 10px;
}
figcaption {
  margin-top: 5px;
  text-align: center;
}
ul,
ol {
  margin-top: 0px;
  margin-bottom: 10px;
  padding-left: 40px;
}
fieldset {
  padding: 0;
  margin: 0;
  border: 0;
}
button,
[type='button'],
[type='reset'] {
  border: 0;
  cursor: pointer;
  -webkit-appearance: button;
}
label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

/* ── 3. Utilities ──────────────────────────────────────────────────── */
.inline-block {
  max-width: 100%;
  display: inline-block;
}
.btn {
  display: inline-block;
  padding: 9px 15px;
  background-color: #3898EC;
  color: white;
  border: 0;
  line-height: inherit;
  text-decoration: none;
  cursor: pointer;
  border-radius: 0;
}
input.btn {
  -webkit-appearance: button;
}
.form-wrap {
  margin: 0 0 15px;
}
.form-done {
  display: none;
  padding: 20px;
  text-align: center;
  background-color: #dddddd;
}
.form-fail {
  display: none;
  margin-top: 10px;
  padding: 10px;
  background-color: #ffdede;
}
.field {
  display: block;
  width: 100%;
  height: 38px;
  padding: 8px 12px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.42857143;
  color: #333333;
  vertical-align: middle;
  background-color: #ffffff;
  border: 1px solid #cccccc;
}
.field::placeholder {
  color: #999;
}
.field:focus {
  border-color: #3898EC;
  outline: 0;
}
.field[disabled],
.field[readonly],
fieldset[disabled] .field {
  cursor: not-allowed;
}
.field[readonly] {
  background-color: #eeeeee;
}
textarea.field {
  height: auto;
}
.rich-text:before,
.rich-text:after {
  content: " ";
  display: table;
  grid-column-start: 1;
  grid-row-start: 1;
  grid-column-end: 2;
  grid-row-end: 2;
}
.rich-text:after {
  clear: both;
}
.rich-text[contenteditable="true"]:before,
.rich-text[contenteditable="true"]:after {
  white-space: initial;
}
.rich-text ol,
.rich-text ul {
  overflow: hidden;
}
.rich-text figure[data-rt-type="video"] > div:after {
  content: '';
  position: absolute;
  display: none;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
}
.rich-text figure {
  position: relative;
  max-width: 60%;
}
.rich-text figure > div:before {
  cursor: default!important;
}
.rich-text figure img {
  width: 100%;
}
.rich-text figure div {
  font-size: 0px;
  color: transparent;
}
.rich-text figure[data-rt-type="image"] {
  display: table;
}
.rich-text figure[data-rt-type="image"] > div {
  display: inline-block;
}
.rich-text figure[data-rt-type="image"] > figcaption {
  display: table-caption;
  caption-side: bottom;
}
.rich-text figure[data-rt-type="video"] {
  width: 60%;
  height: 0;
}
.rich-text figure[data-rt-type="video"] iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.rich-text figure[data-rt-type="video"] > div {
  width: 100%;
}
.site-nav {
  position: relative;
  background: #dddddd;
  z-index: 1000;
}
.site-nav:before,
.site-nav:after {
  content: " ";
  display: table;
  grid-column-start: 1;
  grid-row-start: 1;
  grid-column-end: 2;
  grid-row-end: 2;
}
.site-nav:after {
  clear: both;
}
.site-nav-brand {
  position: relative;
  float: left;
  text-decoration: none;
  color: #333333;
}
.site-nav-link {
  position: relative;
  display: inline-block;
  vertical-align: top;
  text-decoration: none;
  color: #222222;
  padding: 20px;
  text-align: left;
  margin-left: auto;
  margin-right: auto;
}
.site-nav-link.is-current {
  color: #0082f3;
}
.site-nav-menu {
  position: relative;
  float: right;
}
.site-nav-button {
  position: relative;
  float: right;
  padding: 18px;
  font-size: 24px;
  display: none;
  cursor: pointer;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  tap-highlight-color: rgba(0, 0, 0, 0);
  user-select: none;
}

@media screen and (max-width: 767px) {
  .site-nav-brand {
    padding-left: 10px;
  }
  .site-nav-brand {
    padding-left: 10px;
  }
}

/* ── 4. Navigation ─────────────────────────────────────────────────────
   Collapses below 992px. site.js toggles .is-open on .site-nav; the open
   menu drops beneath the fixed bar using the bar height it measures into
   --nav-h, so it doesn't depend on where the menu sits in the markup. */
.site-nav-button {
  display: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.site-nav-icon {
  display: block;
  width: 1em;
  height: 1em;
}
@media screen and (max-width: 991px) {
  .site-nav .site-nav-menu { display: none; }
  .site-nav-button { display: block; }
  .site-nav.is-open .site-nav-menu {
    display: block;
    position: fixed;
    top: var(--nav-h, 0px);
    left: 0;
    right: 0;
  }
  .site-nav.is-open .site-nav-link { display: block; }
}

/* ── 5. Scroll reveal ──────────────────────────────────────────────────
   Hidden only under .js, and only until revealed — so the element's own
   transform (if any) applies afterwards, and content stays visible when
   scripting is off. A <head> failsafe drops .js if site.js never runs. */
.js [data-reveal] {
  transition: opacity .6s cubic-bezier(.25, .46, .45, .94),
              transform .6s cubic-bezier(.25, .46, .45, .94);
}
.js [data-reveal]:not(.is-revealed) {
  opacity: 0;
  transform: translate3d(0, 15px, 0);
}
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] { transition: none; }
  .js [data-reveal]:not(.is-revealed) { opacity: 1; transform: none; }
}

/* ── 6. Forms ──────────────────────────────────────────────────────────
   Bot trap on the newsletter form: invisible to people, filled by scrapers. */
.nl-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
