Layout and typography improvements (#63)

* Adds soft hyphens to homepage

* auto-hyphenates!

* Tighter line-height in logo

* Fixes spacing and typography below xs breakpoint

* Fixes xs-sm spacing and typography

* Fixes border widths

* Link hover uses wavy underline instead of fat underline

* Fixes committee img layout on <xs

* Nice separators between committee members

* Better styling for committee member heading

* Consistent start-end block padding for sections

* Better breadcrumb styling

* Neatens alignment in footer

* Renames scss/variables -> scss/custom-properties

* Pulls out colours SCSS variables

* Merges margins and padding values

* Moves variables/colours -> values/colours

* Starts migrating spacing values to SCSS

* Pulls out typography logic to SCSS variables/functions

* Removes unneeded --er custom property

* Calculates grid-total-width-absolute in SCSS

* Forwards constants with @forward

* Removes TODOs and unnecessary assignment to --width-prose

8 files changed, 77 insertions, 0 deletions

diff --git a/scss/custom-properties/spacing/_mixins.scss b/scss/custom-properties/spacing/_mixins.scss
new file mode 100644
index 0000000..4e35ee7
--- /dev/null
+++ b/scss/custom-properties/spacing/_mixins.scss
@@ -0,0 +1,21 @@
+@use 'sass:map';
+
+@use '../../values/spacing' as spacing-values;
+
+@mixin spacing($breakpoint: initial) {
+  --spacing-inline-lg: #{spacing-values.spacing($direction: inline, $size: lg, $breakpoint: $breakpoint)};
+  --spacing-inline-md: #{spacing-values.spacing($direction: inline, $size: md, $breakpoint: $breakpoint)};
+  --spacing-inline-sm: #{spacing-values.spacing($direction: inline, $size: sm, $breakpoint: $breakpoint)};
+  --spacing-block-lg: #{spacing-values.spacing($direction: block, $size: lg, $breakpoint: $breakpoint)};
+  --spacing-block-md: #{spacing-values.spacing($direction: block, $size: md, $breakpoint: $breakpoint)};
+  --spacing-block-sm: #{spacing-values.spacing($direction: block, $size: sm, $breakpoint: $breakpoint)};
+}
+
+@mixin grid($breakpoint: initial) {
+  --grid-padding: #{spacing-values.grid-padding($breakpoint: $breakpoint)};
+  --grid-column-count: #{map.get(spacing-values.$grid-column-count, $breakpoint)};
+  --grid-column-width: #{spacing-values.grid-column-width($breakpoint: $breakpoint)};
+  --grid-gutter-width: #{spacing-values.grid-gutter-width($breakpoint: $breakpoint)};
+  --grid-prose-column-count: #{map.get(spacing-values.$grid-prose-column-count, $breakpoint)};
+  --grid-total-width: #{spacing-values.grid-total-width-absolute($breakpoint)};
+}
diff --git a/scss/custom-properties/spacing/initial.scss b/scss/custom-properties/spacing/initial.scss
new file mode 100644
index 0000000..a38388f
--- /dev/null
+++ b/scss/custom-properties/spacing/initial.scss
@@ -0,0 +1,14 @@
+@use 'sass:map';
+
+@use '../../values/spacing' as spacing-values;
+@use 'mixins';
+
+:root {
+  @include mixins.spacing();
+  @include mixins.grid();
+
+  --width-prose: calc(
+    var(--grid-column-width) * var(--grid-prose-column-count) +
+    var(--grid-gutter-width) * (var(--grid-prose-column-count) - 1)
+  );
+}
diff --git a/scss/custom-properties/spacing/lg.scss b/scss/custom-properties/spacing/lg.scss
new file mode 100644
index 0000000..1e9b090
--- /dev/null
+++ b/scss/custom-properties/spacing/lg.scss
@@ -0,0 +1,7 @@
+@use 'mixins';
+@use '../../values/spacing' as spacing-values;
+
+:root {
+  // No need for spacing here, since it's the same as sm.
+  @include mixins.grid($breakpoint: lg);
+}
diff --git a/scss/custom-properties/spacing/md.scss b/scss/custom-properties/spacing/md.scss
new file mode 100644
index 0000000..99b9352
--- /dev/null
+++ b/scss/custom-properties/spacing/md.scss
@@ -0,0 +1,7 @@
+@use 'mixins';
+@use '../../values/spacing' as spacing-values;
+
+:root {
+  // No need for spacing here, since it's the same as sm.
+  @include mixins.grid($breakpoint: md);
+}
diff --git a/scss/custom-properties/spacing/sm.scss b/scss/custom-properties/spacing/sm.scss
new file mode 100644
index 0000000..0fdfcfe
--- /dev/null
+++ b/scss/custom-properties/spacing/sm.scss
@@ -0,0 +1,7 @@
+@use 'mixins';
+@use '../../values/spacing' as spacing-values;
+
+:root {
+  @include mixins.spacing($breakpoint: sm);
+  @include mixins.grid($breakpoint: sm);
+}
diff --git a/scss/custom-properties/spacing/xl.scss b/scss/custom-properties/spacing/xl.scss
new file mode 100644
index 0000000..265c6e9
--- /dev/null
+++ b/scss/custom-properties/spacing/xl.scss
@@ -0,0 +1,7 @@
+@use 'mixins';
+@use '../../values/spacing' as spacing-values;
+
+:root {
+  // No need for spacing here, since it's the same as sm.
+  @include mixins.grid($breakpoint: xl);
+}
diff --git a/scss/custom-properties/spacing/xs.scss b/scss/custom-properties/spacing/xs.scss
new file mode 100644
index 0000000..13a14d6
--- /dev/null
+++ b/scss/custom-properties/spacing/xs.scss
@@ -0,0 +1,7 @@
+@use 'mixins';
+@use '../../values/spacing' as spacing-values;
+
+:root {
+  @include mixins.spacing($breakpoint: xs);
+  @include mixins.grid($breakpoint: xs);
+}
diff --git a/scss/custom-properties/spacing/xxl.scss b/scss/custom-properties/spacing/xxl.scss
new file mode 100644
index 0000000..600f74e
--- /dev/null
+++ b/scss/custom-properties/spacing/xxl.scss
@@ -0,0 +1,7 @@
+@use 'mixins';
+@use '../../values/spacing' as spacing-values;
+
+:root {
+  // No need for spacing here, since it's the same as sm.
+  @include mixins.grid($breakpoint: xxl);
+}