@font-face {
  font-family: "OpenDyslexic";
  src: url("assets/fonts/OpenDyslexic-Regular.woff") format("woff");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "OpenDyslexic";
  src: url("assets/fonts/OpenDyslexic-Bold.woff") format("woff");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Lexend";
  src: url("assets/fonts/lexend-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Lexend";
  src: url("assets/fonts/lexend-latin-700-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("assets/fonts/atkinson-hyperlegible-latin-400-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible";
  src: url("assets/fonts/atkinson-hyperlegible-latin-700-normal.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --font-readable: Verdana, Tahoma, Arial, Helvetica, sans-serif;
  --font-open-dyslexic: "OpenDyslexic", Verdana, Arial, sans-serif;
  --font-lexend: "Lexend", "Segoe UI", Verdana, Arial, sans-serif;
  --font-atkinson: "Atkinson Hyperlegible", "Segoe UI", Verdana, Arial, sans-serif;
  --font-sans: sans-serif;
  --font-serif: serif;
  --font-mono: monospace;

  --space-page: clamp(1rem, 2vw, 1.5rem);
  --space-panel: clamp(1rem, 2.4vw, 1.5rem);
  --space-stack: 1rem;
  --space-stack-large: 1.5rem;
  --radius: 0.9rem;
  --border-width: 0.09rem;
  --max-width: 48rem;

  --line-height: 1.7;
  --paragraph-gap: 1rem;
  --letter-spacing: 0.01em;
  --word-spacing: 0.02em;

  --color-bg: #0f1720;
  --color-panel: #16202b;
  --color-panel-strong: #1c2836;
  --color-text: #f3f7fb;
  --color-text-muted: #c9d8e6;
  --color-border: #44617d;
  --color-accent: #9dd6ff;
  --color-accent-strong: #d7eeff;
  --color-focus: #ffe083;
  --color-button-text: #08111a;
  --shadow-soft: 0 0 0 0 rgba(0, 0, 0, 0);
}

html {
  color-scheme: dark;
  font-size: 100%;
}

html[data-theme="light"] {
  color-scheme: light;
  --color-bg: #f5f1e8;
  --color-panel: #fffaf1;
  --color-panel-strong: #f3eadb;
  --color-text: #1b1e23;
  --color-text-muted: #39424d;
  --color-border: #7a8a96;
  --color-accent: #0f5378;
  --color-accent-strong: #0b3a58;
  --color-focus: #7c2f00;
  --color-button-text: #fffaf1;
}

html[data-theme="system"] {
  color-scheme: dark light;
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] {
    --color-bg: #f5f1e8;
    --color-panel: #fffaf1;
    --color-panel-strong: #f3eadb;
    --color-text: #1b1e23;
    --color-text-muted: #39424d;
    --color-border: #7a8a96;
    --color-accent: #0f5378;
    --color-accent-strong: #0b3a58;
    --color-focus: #7c2f00;
    --color-button-text: #fffaf1;
  }
}

html[data-font="readable"] {
  --font-body: var(--font-readable);
}

html[data-font="lexend"] {
  --font-body: var(--font-lexend);
  --letter-spacing: 0.015em;
  --word-spacing: 0.05em;
}

html[data-font="atkinson"] {
  --font-body: var(--font-atkinson);
  --letter-spacing: 0.015em;
  --word-spacing: 0.04em;
}

html[data-font="open-dyslexic"] {
  --font-body: var(--font-open-dyslexic);
  --letter-spacing: 0.03em;
  --word-spacing: 0.08em;
}

html[data-font="sans"] {
  --font-body: var(--font-sans);
}

html[data-font="serif"] {
  --font-body: var(--font-serif);
}

html[data-font="mono"] {
  --font-body: var(--font-mono);
}

html[data-spacing="relaxed"] {
  --line-height: 1.9;
  --paragraph-gap: 1.3rem;
  --space-stack: 1.2rem;
  --space-stack-large: 1.8rem;
}

html[data-spacing="extra-relaxed"] {
  --line-height: 2.05;
  --paragraph-gap: 1.55rem;
  --letter-spacing: 0.025em;
  --word-spacing: 0.08em;
  --space-stack: 1.35rem;
  --space-stack-large: 2rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body, var(--font-readable));
  font-size: 1.0625rem;
  line-height: var(--line-height);
  letter-spacing: var(--letter-spacing);
  word-spacing: var(--word-spacing);
  text-rendering: optimizeLegibility;
}

a {
  color: var(--color-accent);
}

a:hover {
  color: var(--color-accent-strong);
}

a:focus-visible,
button:focus-visible,
select:focus-visible {
  outline: 0.18rem solid var(--color-focus);
  outline-offset: 0.18rem;
}

p,
ul {
  margin: 0 0 var(--paragraph-gap);
}

ul {
  padding-left: 1.35rem;
}

li + li {
  margin-top: 0.55rem;
}

h1,
h2 {
  line-height: 1.2;
  margin: 0 0 0.8rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
}

.site-shell {
  width: min(calc(100% - 2 * var(--space-page)), var(--max-width));
  margin: 0 auto;
}

.site-header,
.site-footer {
  padding: var(--space-stack-large) 0;
}

.site-header {
  border-bottom: var(--border-width) solid var(--color-border);
}

.site-footer {
  border-top: var(--border-width) solid var(--color-border);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -10rem;
  background: var(--color-accent);
  color: var(--color-button-text);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  z-index: 1000;
}

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

.eyebrow {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lede {
  font-size: 1.2rem;
  max-width: 40rem;
}

.meta-note,
.access-note,
.continuation-note,
.noscript-note,
.site-footer p {
  color: var(--color-text-muted);
}

.field-note {
  margin: 0;
  max-width: 36rem;
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

.hero-actions {
  margin: var(--space-stack-large) 0 0.9rem;
}

.button {
  display: inline-block;
  border: var(--border-width) solid var(--color-accent);
  border-radius: 999px;
  padding: 0.85rem 1.2rem;
  text-decoration: none;
  font-weight: 700;
}

.button-primary {
  background: var(--color-accent);
  color: var(--color-button-text);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--color-accent-strong);
  border-color: var(--color-accent-strong);
  color: var(--color-button-text);
}

main {
  padding: var(--space-stack-large) 0;
}

.panel {
  background: var(--color-panel);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-panel);
  margin-bottom: var(--space-stack-large);
  box-shadow: var(--shadow-soft);
}

.panel-cta {
  background: var(--color-panel-strong);
}

.panel-compact {
  padding: 0;
}

.settings-details {
  display: block;
}

.settings-details summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-panel);
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  font-weight: 700;
}

.settings-details summary::-webkit-details-marker {
  display: none;
}

.settings-details summary::after {
  content: "+";
  float: right;
  font-size: 1.35rem;
  line-height: 1;
}

.settings-details[open] summary {
  border-bottom: var(--border-width) solid var(--color-border);
}

.settings-details[open] summary::after {
  content: "-";
}

.settings-body {
  padding: var(--space-panel);
}

.preferences-form {
  display: grid;
  gap: var(--space-stack);
}

.field-group {
  display: grid;
  gap: 0.45rem;
}

label {
  font-weight: 700;
}

select {
  width: 100%;
  max-width: 20rem;
  padding: 0.7rem 0.8rem;
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: 0.6rem;
}

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

@media (max-width: 40rem) {
  body {
    font-size: 1rem;
  }

  .button {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}