/*! HTML5 Boilerplate v9.0.0 | MIT License | https://html5boilerplate.com/ */

/* main.css 3.0.0 | MIT License | https://github.com/h5bp/main.css#readme */
/*
 * What follows is the result of much research on cross-browser styling.
 * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
 * Kroc Camen, and the H5BP dev community and team.
 */

/* ==========================================================================
   Base styles: opinionated defaults
   ========================================================================== */

html {
  color: var(--primary-text-colour);
  font-size: 1em;
  line-height: 1.4;
  font-family: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
}

/*
   * Remove text-shadow in selection highlight:
   * https://twitter.com/miketaylr/status/12228805301
   *
   * Customize the background color to match your design.
   */

::-moz-selection {
  background: var(--text-selection-colour);
  text-shadow: none;
}

::selection {
  background: var(--text-selection-colour);
  text-shadow: none;
}

/*
   * A better looking default horizontal rule
   */

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid var(--border-colour);
  margin: 1em 0;
  padding: 0;
}

/*
   * Remove the gap between audio, canvas, iframes,
   * images, videos and the bottom of their containers:
   * https://github.com/h5bp/html5-boilerplate/issues/440
   */

audio,
canvas,
iframe,
img,
svg,
video {
  vertical-align: middle;
}

/*
   * Remove default fieldset styles.
   */

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

/*
   * Allow only vertical resizing of textareas.
   */

textarea {
  resize: vertical;
}

/* ==========================================================================
     Author's custom styles
  ========================================================================== */


:root {
  /* Font scaler */
  --scaler-from: 320;
  --scaler-to: 600;
  --font-scaler: calc((100vw - (var(--scaler-from) * 1px)) / (var(--scaler-to) - var(--scaler-from)));

  --gap-50: clamp(2px, calc(2px + (2 * var(--font-scaler))), 4px);


  /* Page styles */
  --page-margin: 1rem;
  --page-padding: calc(2 * var(--page-margin));

  --brand-font-size: clamp(24px, calc(24px + (8 * var(--font-scaler))), 32px);
  --intro-font-size: clamp(48px, calc(48px + (16 * var(--font-scaler))), 64px);
  --smaller-font-size: clamp(16px, calc(16px + (4 * var(--font-scaler))), 20px);
  --normal-font-size: clamp(18px, calc(18px + (6 * var(--font-scaler))), 24px);
  
  --photo-width: clamp(100px, calc(100px + (50 * var(--font-scaler))), 150px);

  --page-bg-base-colour: rgb(242,240,236);
  --page-bg-gradient: linear-gradient(0deg, rgb(255,255,255) 0%, var(--page-bg-base-colour) 100%);
  --primary-text-colour: #222;
  --secondary-text-colour: #6e6e6e;
  --emphasis-colour: #b55e0a;
  --text-selection-colour: #b3d4fc;
  --image-border-colour: #fff;
  --link-colour: #2778bb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page-bg-base-colour: rgba(22,21,21);
    --page-bg-gradient: linear-gradient(0deg, rgba(50,48,45) 0%, rgba(22,21,21) 100%);
    --primary-text-colour: #eee;
    --secondary-text-colour: #808080;
    --emphasis-colour: #f27e0f;
    --text-selection-colour: #b3d4fc;
    --image-border-colour: #333;
    --link-colour: #3a96e2;
  }
}

body {
  padding: 0;
  margin: 0;
  text-wrap: pretty;
  background: var(--page-bg-base-colour);
  background: var(--page-bg-gradient);
}

a {
  color: var(--link-colour);
  text-decoration: underline;
}

a:hover {
  text-decoration: none;
}

.page {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  max-width: 75ch;
  margin: var(--page-margin) auto 0;
  padding: var(--page-padding);
  min-height: calc(100vh - (2 * var(--page-margin)));
  justify-content: center;
}

header {
  font-size: 2em;
}

.brand {
  display: flex;
  flex-direction: column;
  font-size: var(--brand-font-size);
  line-height: 1;
  font-weight: normal;
}

header:after,
main:after {
  display: block;
  content: "—";
  margin-top: 0.5em;
}

.brand__name {
  font-weight: 800;
}

.brand__title {
  color: var(--secondary-text-colour);
}

.brand__pic {
  border-radius: 50%;
  width: var(--photo-width);
  order: -1;
  margin-bottom: 0.5em;
  border: 5px solid var(--image-border-colour);
}

.links {
  font-size: var(--smaller-font-size);
  display: block;
}

.intro {
  font-weight: normal;
  font-size: var(--intro-font-size);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 0;
  margin-top: 0.5em;
}

.intro strong {
  font-weight: normal;
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-style: italic;
}

main {
  font-size: 2em;
}

main p {
  font-size: var(--smaller-font-size);
  line-height: 1.6;
}

main p:last-child {
  margin-bottom: 1em;
}

main em {
 color: var(--emphasis-colour);
 font-style: normal;
}

footer {
  color: var(--secondary-text-colour);
  font-size: var(--smaller-font-size);
}

/* ==========================================================================
     Helper classes
     ========================================================================== */

/*
   * Hide visually and from screen readers
   */

.hidden,
[hidden] {
  display: none !important;
}

/*
   * Hide only visually, but have it available for screen readers:
   * https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
   *
   * 1. For long content, line feeds are not interpreted as spaces and small width
   *    causes content to wrap 1 word per line:
   *    https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
   */

.visually-hidden {
  border: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
  /* 1 */
}

/*
   * Extends the .visually-hidden class to allow the element
   * to be focusable when navigated to via the keyboard:
   * https://www.drupal.org/node/897638
   */

.visually-hidden.focusable:active,
.visually-hidden.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  white-space: inherit;
  width: auto;
}

/*
   * Hide visually and from screen readers, but maintain layout
   */

.invisible {
  visibility: hidden;
}

/*
   * Clearfix: contain floats
   *
   * The use of `table` rather than `block` is only necessary if using
   * `::before` to contain the top-margins of child elements.
   */

.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
}

.clearfix::after {
  clear: both;
}

/* ==========================================================================
     EXAMPLE Media Queries for Responsive Design.
     These examples override the primary ('mobile first') styles.
     Modify as content requires.
     ========================================================================== */

@media only screen and (min-width: 35em) {
  /* Style adjustments for viewports that meet the condition */
}

@media print,
  (-webkit-min-device-pixel-ratio: 1.25),
  (min-resolution: 1.25dppx),
  (min-resolution: 120dpi) {
  /* Style adjustments for high resolution devices */
}