/* WSRM: a tile catalogue. Paper board, ink hairlines, tilted sand tiles. */

/* Palette: six colors, defined once here and used everywhere. Hue is 28 degrees throughout. */
:root {
  --paper: #F6EDE4;
  --ink: #302317;
  --rust: #8F5019;
  --clay: #CA9B73;
  --sand: #EED7C4;
  --cocoa: #5A412B;

  --font-body: "Gill Sans", "Gill Sans MT", Optima, "Segoe UI", sans-serif;
  --wrap: 74rem;
  --gutter: clamp(1rem, 4vw, 3rem);
  --measure: 66ch;
  --rule: 2px;
  --radius: 4px;
  --lift: translate(-0.3rem, -0.5rem);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1.0625rem, 1rem + 0.25vw, 1.2rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
  color: inherit;
}

main {
  flex: 1 0 auto;
}

main:focus {
  outline: none;
}

img,
svg,
canvas {
  max-width: 100%;
}

h1,
h2,
h3 {
  margin: 0 0 0.6em;
  line-height: 1.12;
  font-weight: 700;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.2rem, 1.3rem + 3.6vw, 4rem);
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.6rem, 1.2rem + 1.7vw, 2.5rem);
}

h3 {
  font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem);
}

p {
  margin: 0 0 1em;
  max-width: var(--measure);
}

p,
li,
h1,
h2,
h3,
figcaption {
  overflow-wrap: break-word;
}

a {
  color: var(--rust);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
}

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

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

[hidden] {
  display: none !important;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999rem;
  top: 0.5rem;
  z-index: 10;
  padding: 0.7rem 1rem;
  background-color: var(--ink);
  color: var(--paper);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:hover {
  color: var(--paper);
}

.skip-link:focus {
  left: 1rem;
}

/* Header and navigation */
.site-header {
  background-color: var(--paper);
  border-bottom: var(--rule) solid var(--ink);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem 1.5rem;
  padding-block: 1.1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  flex: none;
  width: 2.6rem;
  height: 2.6rem;
  border: var(--rule) solid var(--ink);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-sub {
  font-size: 0.85rem;
  color: var(--cocoa);
  letter-spacing: 0.02em;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: inline-block;
  padding-block: 0.25rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 3px solid var(--paper);
}

.nav-list a:hover {
  color: var(--ink);
  border-bottom-color: var(--rust);
}

.nav-list a[aria-current="page"] {
  font-weight: 700;
  border-bottom-color: var(--ink);
}

/* Shared type and layout */
.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rust);
}

.lede {
  max-width: 40rem;
  font-size: clamp(1.15rem, 1.02rem + 0.5vw, 1.4rem);
}

.hint {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--cocoa);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.75rem 0 0;
}

.section {
  padding-block: clamp(2.75rem, 6vw, 5rem);
}

.section--rule {
  border-top: var(--rule) solid var(--ink);
}

.page-intro {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem);
}

.page-intro h1 {
  margin-bottom: 0.4em;
}

.columns {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
}

@media (min-width: 52rem) {
  .columns {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* Hero */
.hero {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

@media (min-width: 52rem) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

.hero-art {
  display: block;
  width: 100%;
  max-width: 26rem;
  height: auto;
  justify-self: center;
  border: var(--rule) solid var(--ink);
  box-shadow: 0.4rem 0.45rem 0 var(--clay);
  transform: rotate(-2deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.6rem 1.25rem;
  border: var(--rule) solid var(--rust);
  border-radius: var(--radius);
  background-color: var(--rust);
  color: var(--paper);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn:hover {
  background-color: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.btn-secondary {
  background-color: var(--paper);
  border-color: var(--ink);
  color: var(--ink);
}

.btn-secondary:hover {
  background-color: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.btn-light {
  background-color: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

.btn-light:hover {
  background-color: var(--clay);
  border-color: var(--clay);
  color: var(--ink);
}

.btn[aria-pressed="true"] {
  background-color: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* Tilt grid: tiles sit at slight angles and lift on hover or focus */
.tile-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  margin: 2.25rem 0 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.tile-grid > li {
  display: flex;
}

.tile {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.25rem;
  border: var(--rule) solid var(--ink);
  border-radius: var(--radius);
  background-color: var(--sand);
  color: var(--ink);
  text-decoration: none;
  transform: rotate(var(--tilt, 0deg));
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.tile-grid > li:nth-child(odd) {
  --tilt: -1.2deg;
}

.tile-grid > li:nth-child(even) {
  --tilt: 0.9deg;
}

.tile:hover,
.tile:focus-visible {
  color: var(--ink);
  transform: var(--lift) rotate(0deg);
  box-shadow: 0.5rem 0.55rem 0 var(--ink);
}

.tile h3 {
  margin: 0;
  font-size: clamp(1.25rem, 1.1rem + 0.4vw, 1.45rem);
}

.tile p {
  margin: 0;
  max-width: none;
}

.tile-cta {
  margin-top: auto;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}

.motif {
  display: block;
  width: 100%;
  max-width: 9rem;
  height: auto;
  border: var(--rule) solid var(--ink);
  background-color: var(--paper);
}

/* Principle lists */
.principles {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 48rem) {
  .principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.principles > li {
  padding-top: 1rem;
  border-top: 4px solid var(--rust);
}

.principles h3 {
  margin-bottom: 0.5rem;
}

.principles p {
  margin: 0;
}

/* Prose lists and notes */
.prose ol,
.prose ul {
  margin: 0 0 1.25em;
  padding-left: 1.3rem;
  max-width: var(--measure);
}

.prose li {
  margin-bottom: 0.6rem;
}

.prose li::marker {
  color: var(--rust);
  font-weight: 700;
}

.prose h3 {
  margin-top: 1.5rem;
}

.note {
  margin: 2rem 0 0;
  padding: 1rem 1.25rem;
  max-width: var(--measure);
  border-left: 0.4rem solid var(--rust);
  background-color: var(--sand);
  color: var(--ink);
}

.note p {
  margin: 0;
}

/* Closing band */
.band {
  background-color: var(--cocoa);
  color: var(--paper);
}

.band h2,
.band p {
  color: var(--paper);
}

/* Focus ring on the dark band: paper, not ink, so it stays 3:1 against cocoa */
.band :focus-visible {
  outline-color: var(--paper);
}

/* Pixel studio */
.editor {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

@media (min-width: 60rem) {
  .editor {
    grid-template-columns: minmax(0, 1fr) minmax(0, 17rem);
    align-items: start;
  }
}

.editor-main,
.editor-side {
  min-width: 0;
}

.editor-side {
  display: grid;
  gap: 1.5rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-weight: 700;
}

.field input[type="color"] {
  width: 4.25rem;
  height: 2.75rem;
  padding: 0.2rem;
  border: var(--rule) solid var(--ink);
  border-radius: var(--radius);
  background-color: var(--paper);
  cursor: pointer;
}

.field input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.field input[type="color"]::-webkit-color-swatch {
  border: 0;
  border-radius: 2px;
}

.field input[type="color"]::-moz-color-swatch {
  border: 0;
  border-radius: 2px;
}

.kbd {
  display: inline-block;
  padding: 0 0.35rem;
  border: 2px solid var(--ink);
  border-radius: 3px;
  background-color: var(--paper);
  color: var(--ink);
  font-size: 0.9em;
  line-height: 1.5;
}

.pixel-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 2px;
  width: 100%;
  max-width: 40rem;
  padding: 2px;
  border: var(--rule) solid var(--ink);
  background-color: var(--cocoa);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.cell {
  display: block;
  width: 100%;
  min-width: 0;
  aspect-ratio: 1 / 1;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background-color: var(--sand);
  cursor: crosshair;
}

.cell:hover {
  box-shadow: inset 0 0 0 3px var(--cocoa);
}

.cell:focus-visible {
  position: relative;
  z-index: 2;
  outline: 3px solid var(--paper);
  outline-offset: 0;
  box-shadow: 0 0 0 6px var(--ink);
}

.status {
  margin: 1.25rem 0 0;
  min-height: 3rem;
  max-width: 40rem;
  padding: 0.7rem 1rem;
  border: var(--rule) solid var(--ink);
  background-color: var(--paper);
  font-weight: 700;
}

.preview {
  margin: 0;
}

.repeat-preview {
  display: block;
  width: 100%;
  max-width: 16rem;
  height: auto;
  aspect-ratio: 1 / 1;
  border: var(--rule) solid var(--ink);
  background-color: var(--paper);
  image-rendering: pixelated;
}

.preview figcaption {
  max-width: 16rem;
  margin-top: 0.6rem;
  font-size: 0.95rem;
  color: var(--cocoa);
}

/* Footer */
.site-footer {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
  background-color: var(--ink);
  color: var(--paper);
}

.site-footer p {
  margin: 0 0 0.5rem;
  color: var(--paper);
}

.site-footer a {
  color: var(--paper);
  text-decoration-color: var(--clay);
}

.site-footer a:hover {
  color: var(--paper);
  text-decoration-color: var(--paper);
}

.site-footer :focus-visible {
  outline-color: var(--paper);
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 48rem) {
  .footer-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  }
}

.footer-brand {
  margin: 0 0 0.4rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.footer-list {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Motif fills: colors come from the palette above */
.f-paper {
  fill: var(--paper);
}

.f-sand {
  fill: var(--sand);
}

.f-clay {
  fill: var(--clay);
}

.f-rust {
  fill: var(--rust);
}

.f-cocoa {
  fill: var(--cocoa);
}

.f-ink {
  fill: var(--ink);
}

/* Reduced motion: no transitions, and the lift becomes a shadow-only change */
@media (prefers-reduced-motion: reduce) {
  .tile,
  .btn {
    transition: none;
  }

  .tile:hover,
  .tile:focus-visible {
    transform: rotate(0deg);
    box-shadow: 0.5rem 0.55rem 0 var(--ink);
  }
}