chore: move htdocs to repo root

25 files changed, 1173 insertions, 0 deletions

diff --git a/src/scss/abstracts/_functions.scss b/src/scss/abstracts/_functions.scss
new file mode 100644
index 0000000..672e5e7
--- /dev/null
+++ b/src/scss/abstracts/_functions.scss
@@ -0,0 +1,4 @@
+@forward "./functions/convert";
+@forward "./functions/css-vars";
+@forward "./functions/str-replace";
+@forward "./functions/encode";
diff --git a/src/scss/abstracts/_mixins.scss b/src/scss/abstracts/_mixins.scss
new file mode 100644
index 0000000..fd28631
--- /dev/null
+++ b/src/scss/abstracts/_mixins.scss
@@ -0,0 +1,2 @@
+@forward "./mixins/css-vars";
+@forward "./mixins/media-queries";
diff --git a/src/scss/abstracts/_placeholders.scss b/src/scss/abstracts/_placeholders.scss
new file mode 100644
index 0000000..079cae7
--- /dev/null
+++ b/src/scss/abstracts/_placeholders.scss
@@ -0,0 +1,32 @@
+/// List Reset
+%reset-list {
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+
+  li {
+    margin-bottom: 0;
+  }
+}
+
+/// Ordered List Reset
+%reset-ordered-list {
+  @extend %reset-list;
+
+  li {
+    counter-increment: none;
+    display: list-item;
+
+    &::before {
+      display: none;
+    }
+  }
+}
+
+/// Display an inline list with flexbox
+%flex-list {
+  @extend %reset-list;
+
+  display: flex;
+  flex-flow: row wrap;
+}
diff --git a/src/scss/abstracts/_variables.scss b/src/scss/abstracts/_variables.scss
new file mode 100644
index 0000000..a8a22a8
--- /dev/null
+++ b/src/scss/abstracts/_variables.scss
@@ -0,0 +1,103 @@
+@use "sass:math";
+@use "../abstracts/functions" as fun;
+
+//===========================================================================
+// Ratios
+//===========================================================================
+
+/// Ratios map
+/// @prop {String} keys - Keys are identifiers mapped to a given ratio
+/// @prop {Map} value - Value is actual ratio
+$ratios: (
+  "minor-second": 1.067,
+  "major-second": 1.125,
+  "minor-third": 1.2,
+  "major-third": 1.25,
+  "perfect-fourth": 1.333,
+  "augmented-fourth": 1.414,
+  "perfect-fifth": 1.5,
+  "golden-number": 1.618,
+);
+
+// Cannot declare the following function in partials due to module loop.
+// Also, it will only be used in this file so it is not a problem.
+
+/// Get ratio
+/// @param {String} $name - Ratio name.
+/// @return {Integer} The ratio value.
+@function get-ratio($name) {
+  @return map-get($ratios, $name);
+}
+
+//===========================================================================
+// Layout
+//===========================================================================
+
+/// Breakpoints map
+/// @prop {String} keys - Keys are identifiers mapped to a given length
+/// @prop {Map} values - Values are actual breakpoints expressed in pixels
+$breakpoints: (
+  "xs": fun.convert-px(568, "em"),
+  "sm": fun.convert-px(768, "em"),
+  "md": fun.convert-px(1024, "em"),
+  "lg": fun.convert-px(1200, "em"),
+  "xl": fun.convert-px(1600, "em"),
+  "2xl": fun.convert-px(1920, "em"),
+);
+
+//===========================================================================
+// Fonts
+//===========================================================================
+
+/* stylelint-disable -- Fonts name are not keywords, lowercase is not needed. */
+/// Regular font family
+/// @type List
+$font-family_primary: ("Inter", "Liberation Sans", Arial, sans-serif);
+
+/// Alternative regular font family
+/// @type List
+$font-family_secondary: ("Kanit", "Liberation Sans", Arial, sans-serif);
+
+$line-height: get-ratio("golden-number");
+
+$font-size_base: 16px;
+$font-size_base-rem: fun.convert-px(16); // font-size_base without unit
+$font-size_ratio: get-ratio("minor-third");
+$font-size_sm: $font-size_base-rem * math.pow($font-size_ratio, -1);
+$font-size_md: $font-size_base-rem * math.pow($font-size_ratio, 0);
+$font-size_lg: $font-size_base-rem * math.pow($font-size_ratio, 1);
+$font-size_xl: $font-size_base-rem * math.pow($font-size_ratio, 2);
+$font-size_2xl: $font-size_base-rem * math.pow($font-size_ratio, 3);
+$font-size_3xl: $font-size_base-rem * math.pow($font-size_ratio, 4);
+
+//============================================================================
+// Spacings
+//============================================================================
+
+$spacing_ratio: get-ratio("golden-number");
+$spacing_base: $spacing_ratio * 1rem;
+
+$spacing_3xs: math.div($spacing_base, 4);
+$spacing_2xs: math.div($spacing_base, 3);
+$spacing_xs: math.div($spacing_base, 2);
+$spacing_sm: math.div($spacing_base, 1.5);
+$spacing_md: $spacing_base;
+$spacing_lg: $spacing_base * 1.5;
+
+//============================================================================
+// Colors
+//============================================================================
+
+$color_black-squeeze: hsl(212, 55%, 97%);
+$color_catskill-white: hsl(212, 53%, 92%);
+$color_link-water: hsl(212, 51%, 87%);
+$color_geyser: hsl(212, 27%, 83%);
+$color_gull-gray: hsl(212, 15%, 66%);
+$color_pale-sky: hsl(212, 13%, 46%);
+$color_nile-blue: hsl(212, 47%, 19%);
+$color_firefly: hsl(212, 45%, 11%);
+$color_chambray: hsl(212, 45%, 40%);
+$color_chathams-blue: hsl(212, 65%, 28%);
+$color_chathams-blue-light: hsl(212, 90%, 30%);
+$color_chathams-blue-light-opacity-25: hsla(212, 90%, 30%, 0.25);
+$color_chathams-blue-dark: hsl(212, 70%, 25%);
diff --git a/src/scss/abstracts/functions/_convert.scss b/src/scss/abstracts/functions/_convert.scss
new file mode 100644
index 0000000..9f51dc7
--- /dev/null
+++ b/src/scss/abstracts/functions/_convert.scss
@@ -0,0 +1,16 @@
+@use "sass:math";
+
+/// Convert px to rem or em.
+/// @param  {Number} $px Value in px
+/// @param  {String} $to Unit. Either "rem" or "em"
+/// @param  {Number} $standard 1rem (or 1em) = 16px
+/// @return {Number} Value in rem or em
+@function convert-px($px, $to: "rem", $standard: 16) {
+  @if $to == "rem" {
+    @return math.div($px, $standard) + 0rem; // stylelint-disable-line
+  } @else if $to == "em" {
+    @return math.div($px, $standard) + 0em; // stylelint-disable-line
+  } @else {
+    @error "`$to` must be either `rem` or `em`.";
+  }
+}
diff --git a/src/scss/abstracts/functions/_css-vars.scss b/src/scss/abstracts/functions/_css-vars.scss
new file mode 100644
index 0000000..89e1a15
--- /dev/null
+++ b/src/scss/abstracts/functions/_css-vars.scss
@@ -0,0 +1,8 @@
+/// Retrieve a CSS variable value with prefix
+/// @see https://dev.to/felipperegazio/css-custom-properties-vars-with-sass-scss-a-practical-architecture-strategy-1m88
+/// @param  {String} $name Variable name
+/// @param  {String} $prefix Variable prefix
+/// @return {String} Variable in CSS format
+@function get-var($name, $prefix: dap) {
+  @return var(--#{$prefix}-#{$name});
+}
diff --git a/src/scss/abstracts/functions/_encode.scss b/src/scss/abstracts/functions/_encode.scss
new file mode 100644
index 0000000..4350185
--- /dev/null
+++ b/src/scss/abstracts/functions/_encode.scss
@@ -0,0 +1,14 @@
+@use "str-replace" as fun;
+
+/// Encode a SVG.
+/// @param {String} $svg A complete svg (`<svg>...</svg>`).
+/// @return The encoded svg, ready to use for background-image.
+@function encode-svg($svg) {
+  $svg-encoding: (("<", "%3C"), (">", "%3E"), ("#", "%23"));
+
+  @each $char, $encoded in $svg-encoding {
+    $svg: fun.str-replace($svg, $char, $encoded);
+  }
+
+  @return "data:image/svg+xml;utf8," + $svg;
+}
diff --git a/src/scss/abstracts/functions/_str-replace.scss b/src/scss/abstracts/functions/_str-replace.scss
new file mode 100644
index 0000000..624bf33
--- /dev/null
+++ b/src/scss/abstracts/functions/_str-replace.scss
@@ -0,0 +1,20 @@
+/// Replace `$search` with `$replace` in `$string`
+/// @author Hugo Giraudel
+/// @param {String} $string - Initial string
+/// @param {String} $search - Substring to replace
+/// @param {String} $replace ('') - New value
+/// @return {String} - Updated string
+@function str-replace($string, $search, $replace: "") {
+  $index: str-index($string, $search);
+
+  @if $index {
+    @return str-slice($string, 1, $index - 1) + $replace +
+      str-replace(
+        str-slice($string, $index + str-length($search)),
+        $search,
+        $replace
+      );
+  }
+
+  @return $string;
+}
diff --git a/src/scss/abstracts/mixins/_css-vars.scss b/src/scss/abstracts/mixins/_css-vars.scss
new file mode 100644
index 0000000..8e31c96
--- /dev/null
+++ b/src/scss/abstracts/mixins/_css-vars.scss
@@ -0,0 +1,20 @@
+/// Declare a set of CSS variables properly prefixed.
+///
+/// @see https://dev.to/felipperegazio/css-custom-properties-vars-with-sass-scss-a-practical-architecture-strategy-1m88
+///
+/// @param {List} $variables - A list of variable name and value.
+/// @param {Bool} $root - Set vars at root.
+/// @param {String} $prefix - The variables prefix.
+@mixin set-vars($variables, $root: true, $prefix: "dap") {
+  @if $root {
+    :root {
+      @each $name, $value in $variables {
+        --#{$prefix}-#{$name}: #{$value};
+      }
+    }
+  } @else {
+    @each $name, $value in $variables {
+      --#{$prefix}-#{$name}: #{$value};
+    }
+  }
+}
diff --git a/src/scss/abstracts/mixins/_media-queries.scss b/src/scss/abstracts/mixins/_media-queries.scss
new file mode 100644
index 0000000..fcaea4b
--- /dev/null
+++ b/src/scss/abstracts/mixins/_media-queries.scss
@@ -0,0 +1,81 @@
+@use "../variables" as var;
+
+/// Media query: media type
+/// @param {String} $type - Media type: all, screen, print, retina.
+/// @example scss - `@media only screen` equivalent is:
+/// @include media("screen");
+@mixin media($type) {
+  @if $type == "retina" {
+    $type: "(-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi)";
+  } @else if $type == "screen" or $type == "print" {
+    $type: "only #{$type}";
+  }
+
+  @media #{$type} {
+    @content;
+  }
+}
+
+/// Media query: min-width / max-width
+/// @param {String} $from - min-width breakpoint.
+/// @param {String} $until - max-width breakpoint.
+/// @example scss - `@media (min-width: "md")` equivalent is:
+/// @include dimensions("md");
+@mixin dimensions($from: null, $until: null) {
+  $query: "";
+
+  @if $from {
+    @if type-of($from) == "string" {
+      $size: map-get(var.$breakpoints, $from);
+      $query: "(min-width: #{$size})";
+    } @else {
+      @error "`$from` must be a string.";
+    }
+  }
+
+  @if $from and $until {
+    $query: $query + " and ";
+  }
+
+  @if $until {
+    @if type-of($until) == "string" {
+      $size: map-get(var.$breakpoints, $until);
+      $size: calc(#{$size} - 1px);
+      $query: $query + "(max-width: #{$size})";
+    } @else {
+      @error "`$until` must be a string.";
+    }
+  }
+
+  @media #{$query} {
+    @content;
+  }
+}
+
+/// Media query: prefers-reduced-motion
+/// @param {String} $value - Media query value: `no-preference` or `reduce`.
+/// @example scss - @media (prefers-reduced-motion: "reduce") equivalent is:
+/// @include motion("reduce");
+@mixin motion($value) {
+  @if $value == "no-preference" or $value == "reduce" {
+    @media (prefers-reduced-motion: #{$value}) {
+      @content;
+    }
+  } @else {
+    @error "Allowed values are `no-preference` and `reduce`.";
+  }
+}
+
+/// Media query: any-pointer
+/// @param {String} $value - Media query value: `fine`, `coarse` or `none`.
+/// @example scss - @media (any-pointer: "fine") equivalent is:
+/// @include pointer("fine");
+@mixin pointer($value) {
+  @if $value == "fine" or $value == "coarse" or $value == "none" {
+    @media (any-pointer: #{$value}) {
+      @content;
+    }
+  } @else {
+    @error "Allowed values are `fine`, `coarse` and `none`.";
+  }
+}
diff --git a/src/scss/base/_animations.scss b/src/scss/base/_animations.scss
new file mode 100644
index 0000000..a2df8ab
--- /dev/null
+++ b/src/scss/base/_animations.scss
@@ -0,0 +1,89 @@
+@keyframes fadeIn {
+  0% {
+    opacity: 0;
+  }
+
+  100% {
+    opacity: 1;
+    visibility: visible;
+  }
+}
+
+@keyframes fadeOut {
+  0% {
+    opacity: 1;
+  }
+
+  100% {
+    opacity: 0;
+    visibility: hidden;
+  }
+}
+
+@keyframes slideInLeft {
+  0% {
+    margin-left: -100%;
+  }
+
+  100% {
+    margin-left: 0;
+    visibility: visible;
+  }
+}
+
+@keyframes slideOutLeft {
+  0% {
+    margin-left: 0;
+  }
+
+  100% {
+    margin-left: -100%;
+    visibility: hidden;
+  }
+}
+
+@keyframes slideInUp {
+  0% {
+    margin-bottom: -100vh;
+  }
+
+  100% {
+    margin-bottom: 0;
+    visibility: visible;
+  }
+}
+
+@keyframes slideOutBottom {
+  0% {
+    margin-bottom: 0;
+  }
+
+  100% {
+    margin-bottom: -100vh;
+    visibility: hidden;
+  }
+}
+
+.fade-in {
+  animation: fadeIn 1s;
+}
+
+.fade-out {
+  animation: fadeOut 1s;
+}
+
+.slide-in--left {
+  animation: slideInLeft 0.8s;
+}
+
+.slide-out--left {
+  animation: slideOutLeft 0.8s;
+}
+
+.slide-in--up {
+  animation: slideInUp 1s;
+}
+
+.slide-out--bottom {
+  animation: slideOutBottom 1s;
+}
diff --git a/src/scss/base/_base.scss b/src/scss/base/_base.scss
new file mode 100644
index 0000000..a157a50
--- /dev/null
+++ b/src/scss/base/_base.scss
@@ -0,0 +1,3 @@
+html {
+  overflow: hidden;
+}
diff --git a/src/scss/base/_colors.scss b/src/scss/base/_colors.scss
new file mode 100644
index 0000000..6251b2e
--- /dev/null
+++ b/src/scss/base/_colors.scss
@@ -0,0 +1,21 @@
+@use "../abstracts/mixins" as mix;
+@use "../abstracts/variables" as var;
+@include mix.set-vars(
+  (
+    color-bg: #{var.$color_black-squeeze},
+    color-bg-secondary: #{var.$color_catskill-white},
+    color-bg-tertiary: #{var.$color_link-water},
+    color-fg: #{var.$color_firefly},
+    color-fg-inverted: #{var.$color_black-squeeze},
+    color-border: #{var.$color_chathams-blue},
+    color-border-light: #{var.$color_geyser},
+    color-shadow-darker: #{var.$color_nile-blue},
+    color-shadow-dark: #{var.$color_pale-sky},
+    color-shadow: #{var.$color_chambray},
+    color-shadow-light: #{var.$color_gull-gray},
+    color-primary: #{var.$color_chathams-blue},
+    color-primary-light: #{var.$color_chathams-blue-light},
+    color-primary-light-opacity: #{var.$color_chathams-blue-light-opacity-25},
+    color-primary-dark: #{var.$color_chathams-blue-dark},
+  )
+);
diff --git a/src/scss/base/_fonts.scss b/src/scss/base/_fonts.scss
new file mode 100644
index 0000000..192f6b8
--- /dev/null
+++ b/src/scss/base/_fonts.scss
@@ -0,0 +1,115 @@
+@use "../abstracts/functions" as fun;
+@use "../abstracts/mixins" as mix;
+@use "../abstracts/variables" as var;
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: normal;
+  font-weight: 700;
+  src: url("../fonts/Kanit/Kanit-Bold.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-Bold.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: italic;
+  font-weight: 700;
+  src: url("../fonts/Kanit/Kanit-BoldItalic.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-BoldItalic.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: normal;
+  font-weight: 600;
+  src: url("../fonts/Kanit/Kanit-SemiBold.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-SemiBold.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: italic;
+  font-weight: 600;
+  src: url("../fonts/Kanit/Kanit-SemiBoldItalic.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-SemiBoldItalic.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: normal;
+  font-weight: 500;
+  src: url("../fonts/Kanit/Kanit-Medium.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-Medium.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: italic;
+  font-weight: 500;
+  src: url("../fonts/Kanit/Kanit-MediumItalic.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-MediumItalic.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: normal;
+  font-weight: 400;
+  src: url("../fonts/Kanit/Kanit-Regular.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-Regular.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: italic;
+  font-weight: 400;
+  src: url("../fonts/Kanit/Kanit-Italic.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-Italic.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: normal;
+  font-weight: 300;
+  src: url("../fonts/Kanit/Kanit-Light.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-Light.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Kanit;
+  font-style: italic;
+  font-weight: 300;
+  src: url("../fonts/Kanit/Kanit-LightItalic.woff2") format("woff2"),
+    url("../fonts/Kanit/Kanit-LightItalic.woff") format("woff");
+}
+
+@font-face {
+  font-display: swap;
+  font-family: Inter;
+  font-style: oblique 0deg 10deg;
+  font-weight: 100 900;
+  src: url("../fonts/Inter/Inter.woff2?v=3.18") format("woff2");
+}
+
+@include mix.set-vars(
+  (
+    font-family-primary: #{var.$font-family_primary},
+    font-family-secondary: #{var.$font-family_secondary},
+    font-size-sm: #{var.$font-size_sm},
+    font-size-md: #{var.$font-size_md},
+    font-size-lg: #{var.$font-size_lg},
+    font-size-xl: #{var.$font-size_xl},
+    font-size-2xl: #{var.$font-size_2xl},
+    font-size-3xl: #{var.$font-size_3xl},
+    line-height: #{var.$line-height},
+  )
+);
diff --git a/src/scss/base/_helpers.scss b/src/scss/base/_helpers.scss
new file mode 100644
index 0000000..d6a9233
--- /dev/null
+++ b/src/scss/base/_helpers.scss
@@ -0,0 +1,44 @@
+@use "../abstracts/functions" as fun;
+@use "../abstracts/mixins" as mix;
+
+.hide {
+  display: none !important;
+}
+
+/* Text meant only for screen readers. */
+.screen-reader-text {
+  border: 0;
+  clip: rect(1px, 1px, 1px, 1px);
+  height: fun.convert-px(1);
+  overflow: hidden;
+  padding: 0;
+  position: absolute !important;
+  width: fun.convert-px(1);
+  word-break: normal;
+  word-wrap: normal !important; /* Many screen reader and browser combinations announce broken words as they would appear visually. */
+
+  &:focus {
+    background: fun.get-var(color-bg);
+    border: fun.convert-px(3) solid fun.get-var(color-border);
+    box-shadow: 0 0 fun.convert-px(2) fun.convert-px(2)
+      fun.get-var(color-shadow-light);
+    clip: auto !important;
+    color: fun.get-var(color-primary);
+    display: block;
+    font-size: fun.get-var(font-size-md);
+    font-weight: 600;
+    height: auto;
+    left: 0;
+    padding: fun.get-var(spacing-sm) fun.get-var(spacing-md);
+    top: 0;
+    width: auto;
+    z-index: 100000;
+  }
+}
+
+@include mix.motion("reduce") {
+  * {
+    animation: none !important;
+    transition: none !important;
+  }
+}
diff --git a/src/scss/base/_spacings.scss b/src/scss/base/_spacings.scss
new file mode 100644
index 0000000..e908caf
--- /dev/null
+++ b/src/scss/base/_spacings.scss
@@ -0,0 +1,24 @@
+@use "../abstracts/functions" as fun;
+@use "../abstracts/mixins" as mix;
+@use "../abstracts/variables" as var;
+@include mix.set-vars(
+  (
+    spacing-3xs: var.$spacing_3xs,
+    spacing-2xs: var.$spacing_2xs,
+    spacing-xs: var.$spacing_xs,
+    spacing-sm: var.$spacing_sm,
+    spacing-md: var.$spacing_md,
+    spacing-lg: var.$spacing_lg,
+    toolbar-height: fun.convert-px(60),
+  )
+);
+
+@include mix.media("screen") {
+  @include mix.dimensions("lg") {
+    @include mix.set-vars(
+      (
+        toolbar-height: fun.convert-px(0),
+      )
+    );
+  }
+}
diff --git a/src/scss/base/_typography.scss b/src/scss/base/_typography.scss
new file mode 100644
index 0000000..b0504b7
--- /dev/null
+++ b/src/scss/base/_typography.scss
@@ -0,0 +1,48 @@
+@use "../abstracts/functions" as fun;
+
+*::selection {
+  background: fun.get-var(color-primary-light-opacity);
+}
+
+body {
+  background: fun.get-var(color-bg);
+  color: fun.get-var(color-fg);
+  font-size: fun.get-var(font-size-md);
+  line-height: fun.get-var(line-height);
+}
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6,
+p,
+ul {
+  margin: 0 0 fun.get-var(spacing-sm);
+}
+
+a {
+  color: fun.get-var(color-primary);
+  text-decoration-thickness: fun.convert-px(2);
+  text-underline-offset: fun.convert-px(3);
+  transition: all 0.3s ease-in-out 0s;
+
+  &:hover,
+  &:focus {
+    color: fun.get-var(color-primary-light);
+    text-decoration-color: fun.get-var(color-primary-light);
+    text-decoration-thickness: fun.convert-px(4);
+  }
+
+  &:focus {
+    outline: fun.get-var(color-primary) dotted fun.convert-px(1);
+  }
+
+  &:active {
+    color: fun.get-var(color-primary-dark);
+    outline: none;
+    text-decoration-color: fun.get-var(color-primary-dark);
+    text-decoration-thickness: fun.convert-px(2);
+  }
+}
diff --git a/src/scss/components/_buttons.scss b/src/scss/components/_buttons.scss
new file mode 100644
index 0000000..bc7959e
--- /dev/null
+++ b/src/scss/components/_buttons.scss
@@ -0,0 +1,21 @@
+@use "../abstracts/functions" as fun;
+
+.btn {
+  background: fun.get-var(color-bg);
+  border: 0;
+  color: fun.get-var(color-primary);
+  cursor: pointer;
+  display: block;
+  font-weight: 600;
+
+  &:hover,
+  &:focus {
+    background: fun.get-var(color-primary);
+    color: fun.get-var(color-fg-inverted);
+  }
+
+  &:active {
+    background: fun.get-var(color-bg);
+    color: fun.get-var(color-primary);
+  }
+}
diff --git a/src/scss/layout/_footer.scss b/src/scss/layout/_footer.scss
new file mode 100644
index 0000000..7dce0dc
--- /dev/null
+++ b/src/scss/layout/_footer.scss
@@ -0,0 +1,40 @@
+@use "../abstracts/functions" as fun;
+@use "../abstracts/mixins" as mix;
+
+.footer {
+  align-items: center;
+  background: fun.get-var(color-bg-secondary);
+  border-top: fun.convert-px(1) solid fun.get-var(color-border-light);
+  display: flex;
+  flex-flow: row wrap;
+  font-family: fun.get-var(font-family-secondary);
+  font-size: fun.get-var(font-size-md);
+  gap: fun.get-var(spacing-3xs);
+  justify-content: center;
+  padding: fun.get-var(spacing-sm) fun.get-var(spacing-md)
+    calc(#{fun.get-var(toolbar-height)} + #{fun.get-var(spacing-sm)});
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      box-shadow: 0 -1px 2px 0 fun.get-var(color-shadow);
+      padding: fun.get-var(spacing-sm) fun.get-var(spacing-md);
+    }
+  }
+
+  .nav {
+    display: inline-flex;
+    gap: fun.get-var(spacing-3xs);
+
+    &::after {
+      content: "/";
+    }
+  }
+}
+
+.copyright {
+  align-items: center;
+  display: flex;
+  flex-flow: row wrap;
+  gap: fun.get-var(spacing-3xs);
+  justify-content: center;
+}
diff --git a/src/scss/layout/_grid.scss b/src/scss/layout/_grid.scss
new file mode 100644
index 0000000..3749678
--- /dev/null
+++ b/src/scss/layout/_grid.scss
@@ -0,0 +1,43 @@
+@use "../abstracts/functions" as fun;
+@use "../abstracts/mixins" as mix;
+
+.body {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr);
+  grid-template-rows: minmax(0, 1fr) max-content;
+  height: 100vh;
+  position: relative;
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      grid-template-columns: 1.5fr 4fr;
+    }
+
+    @include mix.dimensions("xl") {
+      grid-template-columns: 1fr 4fr;
+    }
+  }
+}
+
+.header {
+  grid-column: 1;
+  grid-row: 1;
+  width: 100%;
+}
+
+.main {
+  grid-column: 1;
+  grid-row: 1 / -1;
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      grid-column: 2;
+    }
+  }
+}
+
+.footer {
+  grid-column: 1;
+  grid-row: 2;
+  width: 100%;
+}
diff --git a/src/scss/layout/_header.scss b/src/scss/layout/_header.scss
new file mode 100644
index 0000000..cbc1693
--- /dev/null
+++ b/src/scss/layout/_header.scss
@@ -0,0 +1,143 @@
+@use "../abstracts/functions" as fun;
+@use "../abstracts/mixins" as mix;
+
+.header {
+  background: fun.get-var(color-bg-secondary);
+  overflow-y: auto;
+  padding: fun.get-var(spacing-md)
+    clamp(#{fun.get-var(spacing-md)}, 3vw, #{fun.get-var(spacing-lg)});
+  scrollbar-color: fun.get-var(color-primary-light-opacity)
+    fun.get-var(color-bg-tertiary);
+  z-index: 5;
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      box-shadow: 0 -1px 2px 0 fun.get-var(color-shadow);
+    }
+  }
+}
+
+.branding {
+  margin-bottom: clamp(
+    #{fun.get-var(spacing-sm)},
+    3vw,
+    #{fun.get-var(spacing-md)}
+  );
+  text-align: center;
+
+  &__title {
+    font-family: fun.get-var(font-family-secondary);
+    font-size: clamp(
+      #{fun.get-var(font-size-2xl)},
+      5vw,
+      #{fun.get-var(font-size-3xl)}
+    );
+    font-weight: 500;
+    margin: fun.get-var(spacing-xs) 0 fun.get-var(spacing-3xs);
+  }
+
+  &__link {
+    background: linear-gradient(
+        to top,
+        fun.get-var(color-primary-light) fun.convert-px(5),
+        transparent fun.convert-px(5)
+      )
+      center / 0 100% no-repeat;
+    text-decoration: none;
+    transition: all 0.5s ease-in-out 0s;
+
+    &:hover,
+    &:focus {
+      background-size: 100% 100%;
+    }
+
+    &:active {
+      background-size: 0 100%;
+    }
+  }
+
+  &__description {
+    font-family: fun.get-var(font-family-secondary);
+    font-size: clamp(
+      #{fun.get-var(font-size-md)},
+      3vw,
+      #{fun.get-var(font-size-lg)}
+    );
+    font-weight: 400;
+    letter-spacing: fun.convert-px(1);
+    margin: 0;
+    text-transform: uppercase;
+  }
+}
+
+.logo {
+  margin: auto;
+  position: relative;
+  width: max-content;
+
+  &__image {
+    backface-visibility: hidden;
+    border: fun.convert-px(3) solid fun.get-var(color-border-light);
+    border-radius: 50%;
+    box-shadow: 0 0 fun.convert-px(6) fun.convert-px(1)
+      fun.get-var(color-shadow-darker);
+    left: 0;
+    position: absolute;
+    top: 0;
+    width: 100%;
+
+    &--back {
+      transform: rotateY(180deg);
+    }
+  }
+
+  &__link {
+    display: block;
+    height: clamp(#{fun.convert-px(75)}, 15vmin, #{fun.convert-px(90)});
+    transform-style: preserve-3d;
+    transition: all 0.6s linear 0s;
+    width: clamp(#{fun.convert-px(75)}, 15vmin, #{fun.convert-px(90)});
+
+    &:hover,
+    &:focus {
+      outline: none;
+      transform: rotateY(180deg);
+    }
+
+    &:hover &,
+    &:focus & {
+      &__image {
+        &--front {
+          transform: none;
+        }
+
+        &--back {
+          transform: rotateY(180deg);
+        }
+      }
+    }
+
+    &:focus & {
+      &__image {
+        box-shadow: 0 0 fun.convert-px(6) fun.convert-px(1)
+            fun.get-var(color-shadow-dark),
+          0 0 0 fun.convert-px(5) fun.get-var(color-primary-light-opacity);
+        outline: none;
+      }
+    }
+
+    &:active & {
+      &__image {
+        box-shadow: 0 0 fun.convert-px(6) fun.convert-px(1)
+            fun.get-var(color-shadow-dark),
+          0 0 0 fun.convert-px(7) fun.get-var(color-primary-light-opacity);
+      }
+    }
+  }
+
+  &:hover & {
+    &__link {
+      transform: rotateY(180deg);
+    }
+  }
+}
diff --git a/src/scss/layout/_main.scss b/src/scss/layout/_main.scss
new file mode 100644
index 0000000..8ab842b
--- /dev/null
+++ b/src/scss/layout/_main.scss
@@ -0,0 +1,138 @@
+@use "../abstracts/functions" as fun;
+@use "../abstracts/mixins" as mix;
+@use "../abstracts/placeholders";
+
+.main {
+  display: flex;
+  flex-flow: column nowrap;
+  height: calc(100% - #{fun.get-var(toolbar-height)});
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      display: grid;
+      grid-template-columns: 5fr 2fr;
+    }
+
+    @include mix.dimensions("xl") {
+      grid-template-columns: 4fr 1fr;
+    }
+  }
+}
+
+// NoScript extension seems to replace noscript tag with a span.
+.main > span,
+.instructions,
+noscript {
+  background: fun.get-var(color-bg);
+  padding: fun.get-var(spacing-md);
+  text-align: center;
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      grid-column: 1 / -1;
+    }
+  }
+}
+
+.instructions {
+  align-items: center;
+  display: flex;
+  justify-content: center;
+}
+
+.legal-notice {
+  height: 100%;
+  overflow-y: auto;
+  padding: clamp(#{fun.get-var(spacing-md)}, 3vw, #{fun.get-var(spacing-lg)});
+  scrollbar-color: fun.get-var(color-primary-light-opacity)
+    fun.get-var(color-bg-tertiary);
+  width: 100%;
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      grid-column: 1 / -1;
+    }
+  }
+}
+
+.project-preview {
+  background: fun.get-var(color-bg);
+  flex: 0 1 100%;
+  min-height: 0;
+  width: 100%;
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      height: 100%;
+    }
+  }
+
+  iframe {
+    border: 0;
+    height: 100%;
+    width: 100%;
+  }
+}
+
+.project-details {
+  background: fun.get-var(color-bg-secondary);
+  box-shadow: 0 -1px 2px 0 fun.get-var(color-shadow);
+  flex: 1 0 100%;
+  overflow-y: auto;
+  padding: fun.get-var(spacing-md);
+  scrollbar-color: fun.get-var(color-primary-light-opacity)
+    fun.get-var(color-bg-tertiary);
+
+  @include mix.media("screen") {
+    @include mix.dimensions("lg") {
+      font-size: fun.get-var(font-size-md);
+    }
+  }
+
+  &__description {
+    margin-bottom: fun.get-var(spacing-md);
+    white-space: pre-wrap;
+  }
+
+  .list {
+    &--tech {
+      padding-left: fun.get-var(spacing-sm);
+    }
+
+    &--repos {
+      @extend %flex-list;
+
+      gap: fun.get-var(spacing-xs);
+    }
+
+    &__link {
+      background-repeat: no-repeat;
+      background-size: contain;
+      box-shadow: 0 0 0 0 fun.get-var(color-shadow);
+      display: block;
+      height: fun.convert-px(50);
+      transition: transform 0.3s ease-in-out 0s,
+        box-shadow 0.15s ease-in-out 0.15s;
+      width: fun.convert-px(50);
+
+      &--github {
+        background: url(#{fun.encode-svg('<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path style="fill:#1b1817;fill-opacity:1;opacity:1;stroke-width:6.55748" d="M0 0h100v100H0z"/><path d="M50.003 15.864C69.33 15.864 85 31.534 85 50.865c0 15.464-10.028 28.581-23.936 33.211-1.75.32-2.389-.76-2.389-1.689 0-.829.03-3.031.047-5.951 9.736 2.114 11.79-4.693 11.79-4.693 1.592-4.044 3.887-5.12 3.887-5.12 3.178-2.17-.241-2.127-.241-2.127-3.513.247-5.36 3.607-5.36 3.607-3.123 5.348-8.193 3.803-10.187 2.907-.318-2.26-1.22-3.803-2.222-4.677 7.772-.883 15.943-3.887 15.943-17.299 0-3.82-1.365-6.944-3.604-9.391.361-.886 1.563-4.444-.341-9.263 0 0-2.94-.941-9.626 3.588-2.791-.778-5.786-1.164-8.762-1.177-2.972.013-5.967.4-8.762 1.177-6.682-4.53-9.615-3.588-9.615-3.588-1.91 4.82-.71 8.377-.348 9.263-2.243 2.447-3.6 5.571-3.6 9.391 0 13.446 8.185 16.405 15.982 17.271-1.257 1.08-2.376 3.216-2.376 6.482 0 4.678.043 8.453.043 9.6 0 .937-.63 2.027-2.407 1.685C25.02 79.433 15 66.324 15 50.865c0-19.331 15.672-35.001 35.003-35.001" style="fill:#fff;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:.999999"/></svg>')});
+      }
+
+      &--gitlab {
+        background: url(#{fun.encode-svg('<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path style="opacity:1;fill:#ccc;fill-opacity:1;stroke-width:7.26231" d="M0 0h100v100H0z"/><path class="st3" d="m49.998 82.237 12.895-39.668H37.121Z" style="fill:#e24329;stroke-width:1"/><path class="st4" d="M19.058 42.57 15.13 54.62a2.67 2.67 0 0 0 .966 2.984l33.9 24.632Z" style="fill:#fca326;stroke-width:1"/><path class="st3" d="M19.058 42.57H37.12l-7.774-23.89c-.398-1.222-2.132-1.222-2.544 0z" style="fill:#e24329;stroke-width:1"/><path class="st4" d="m80.956 42.57 3.914 12.05a2.67 2.67 0 0 1-.966 2.984L49.998 82.237Z" style="fill:#fca326;stroke-width:1"/><path class="st3" d="M80.956 42.57H62.894l7.759-23.89c.398-1.222 2.132-1.222 2.544 0z" style="fill:#e24329;stroke-width:1"/><path style="fill:#fc6d26;stroke-width:4.82321" class="st5" d="m50.017 82.237 30.94-39.667H62.893Zm-.019 0L19.058 42.57H37.12z"/></svg>')});
+      }
+
+      &:hover,
+      &:focus {
+        box-shadow: fun.convert-px(-1) fun.convert-px(1) fun.convert-px(4)
+          fun.convert-px(2) fun.get-var(color-shadow-light);
+        transform: scale(1.15);
+      }
+
+      &:active {
+        opacity: 1;
+      }
+    }
+  }
+}
diff --git a/src/scss/layout/_nav.scss b/src/scss/layout/_nav.scss
new file mode 100644
index 0000000..98e4cb5
--- /dev/null
+++ b/src/scss/layout/_nav.scss
@@ -0,0 +1,70 @@
+@use "../abstracts/functions" as fun;
+@use "../abstracts/placeholders";
+
+.nav {
+  text-align: center;
+
+  &__label {
+    font-weight: 600;
+  }
+
+  &__list {
+    @extend %reset-list;
+
+    .btn {
+      width: 100%;
+    }
+  }
+
+  &:not(&--footer) &__item {
+    margin: fun.get-var(spacing-2xs) 0;
+  }
+
+  &:not(&--footer) &__link {
+    background-image: linear-gradient(
+      to left,
+      #{fun.get-var(color-bg)} 0,
+      #{fun.get-var(color-bg)} 50%,
+      #{fun.get-var(color-primary)} 50%
+    );
+    background-position: 100% 0;
+    background-size: 200% 100%;
+    border: fun.convert-px(3) solid fun.get-var(color-border);
+    border-radius: fun.convert-px(50);
+    display: block;
+    font-weight: 600;
+    margin: auto;
+    padding: fun.get-var(spacing-3xs);
+    position: relative;
+    text-decoration: none;
+    transition: all 0.4s ease-in-out 0s;
+    width: 75%;
+
+    &:hover,
+    &:focus {
+      background-position: 0 0;
+      color: fun.get-var(color-fg-inverted);
+    }
+
+    &:active {
+      background-position: 100% 0;
+      color: fun.get-var(color-primary-dark);
+      text-decoration: fun.convert-px(1) solid underline;
+    }
+
+    &--selected {
+      background: fun.get-var(color-primary-dark);
+      box-shadow: inset 0 0 0 4px fun.get-var(color-bg);
+      color: fun.get-var(color-fg-inverted);
+
+      &:hover,
+      &:focus {
+        background: fun.get-var(color-primary-light);
+      }
+    }
+  }
+
+  .btn {
+    margin: auto;
+  }
+}
diff --git a/src/scss/layout/_toolbar.scss b/src/scss/layout/_toolbar.scss
new file mode 100644
index 0000000..00e2bd7
--- /dev/null
+++ b/src/scss/layout/_toolbar.scss
@@ -0,0 +1,34 @@
+@use "../abstracts/functions" as fun;
+
+.toolbar {
+  align-items: center;
+  background: fun.get-var(color-primary);
+  bottom: 0;
+  box-shadow: 0 -1px 2px 0 fun.get-var(color-shadow-dark);
+  color: fun.get-var(color-fg-inverted);
+  display: flex;
+  flex-flow: row nowrap;
+  gap: fun.get-var(spacing-xs);
+  height: fun.get-var(toolbar-height);
+  justify-content: center;
+  left: 0;
+  padding: 0 fun.get-var(spacing-sm);
+  position: absolute;
+  right: 0;
+  z-index: 2;
+
+  & > &__options {
+    background: fun.get-var(color-primary);
+    color: fun.get-var(color-fg-inverted);
+    font-size: fun.get-var(font-size-sm);
+    height: 85%;
+    line-height: inherit;
+    padding: 0 fun.get-var(spacing-xs);
+
+    &:hover,
+    &:focus {
+      background: fun.get-var(color-bg);
+      color: fun.get-var(color-primary);
+    }
+  }
+}
diff --git a/src/scss/style.scss b/src/scss/style.scss
new file mode 100644
index 0000000..96c8fe5
--- /dev/null
+++ b/src/scss/style.scss
@@ -0,0 +1,40 @@
+@charset 'utf-8';
+
+/**
+ * 1.0 Vendors
+ *
+ * Import each files separately to define vendors styles order.
+ */
+@use "modern-normalize";
+
+/**
+ * 2.0 Base
+ *
+ * Define some standard styles and CSS variables (colors, fonts...).
+ */
+@use "base/base";
+@use "base/animations";
+@use "base/colors";
+@use "base/fonts";
+@use "base/helpers";
+@use "base/spacings";
+@use "base/typography";
+
+/**
+ * 3.0 Layout
+ *
+ * Define website layout.
+ */
+@use "layout/grid";
+@use "layout/header";
+@use "layout/main";
+@use "layout/footer";
+@use "layout/toolbar";
+@use "layout/nav";
+
+/**
+* 4.0 Components
+*
+* Define styles for all kind of specific modules like buttons, widgets...
+*/
+@use "components/buttons";