/* ==========================================================================
   freeconstitution.org — site stylesheet
   Desert-red palette. Sandstone background. Ink-brown text.
   Source Serif Pro for headings; Inter for body.
   Designed to read clearly at any text size and to respect user preferences.
   ========================================================================== */

/* ---- Fonts (self-hosted, fallbacks included) ---------------------------- */

@font-face {
  font-family: "Source Serif Pro";
  src: url("/fonts/SourceSerif4-Variable.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif Pro";
  src: url("/fonts/SourceSerif4-Italic-Variable.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("/fonts/Inter-Variable.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "OpenDyslexic";
  src: url("/fonts/OpenDyslexic-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

/* ---- Tokens ------------------------------------------------------------- */

:root {
  /* Palette */
  --bg: #F7F1E3;          /* sandstone */
  --bg-card: #FBF6E9;     /* paler sandstone */
  --ink: #1F1B16;         /* ink-brown text */
  --ink-soft: #4D453A;    /* secondary text */
  --ink-faint: #7A7065;   /* tertiary / metadata */
  --rule: #E4DAC1;        /* hairline */
  --accent: #B85436;      /* desert red */
  --accent-soft: #E5C2B5; /* desert red wash */
  --link: #B85436;
  --link-hover: #8C3D26;

  /* Typography */
  --serif: "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --dyslexic: "OpenDyslexic", var(--sans);

  /* User-tunable */
  --reading-font-size: 17px;
  --reading-line-height: 1.6;
  --reading-font-family: var(--serif);

  /* Layout */
  --measure: 36rem;
  --gutter: clamp(1rem, 4vw, 2rem);

  /* Motion */
  --ease: cubic-bezier(.2, .7, .2, 1);
}

[data-theme="dark"] {
  --bg: #1B1814;
  --bg-card: #232019;
  --ink: #F1E8D5;
  --ink-soft: #C7BBA5;
  --ink-faint: #8A7E6C;
  --rule: #3A3329;
  --accent: #D9745A;
  --accent-soft: #4A2E25;
  --link: #D9745A;
  --link-hover: #ECB29D;
}

/* Dark mode is opt-in only via the Reading preferences panel.
   No auto-detection of OS dark mode. */

/* ---- Base --------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--reading-font-family);
  font-size: var(--reading-font-size);
  line-height: var(--reading-line-height);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

[data-font="sans"] body { --reading-font-family: var(--sans); }
[data-font="dyslexic"] body { --reading-font-family: var(--dyslexic); }
[data-italics="off"] em, [data-italics="off"] i, [data-italics="off"] cite { font-style: normal; }

a { color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--link-hover); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.15;
  margin: 1.5em 0 .5em;
}
[data-font="sans"] h1, [data-font="sans"] h2, [data-font="sans"] h3, [data-font="sans"] h4 { font-family: var(--sans); }
[data-font="dyslexic"] h1, [data-font="dyslexic"] h2, [data-font="dyslexic"] h3, [data-font="dyslexic"] h4 { font-family: var(--dyslexic); }

h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 600; letter-spacing: -.01em; }
h2 { font-size: 1.5rem; font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }

p, li, blockquote { max-width: var(--measure); }

blockquote {
  border-left: 3px solid var(--accent);
  padding: .25rem 0 .25rem 1rem;
  margin: 1rem 0;
  color: var(--ink-soft);
  font-style: italic;
}
[data-italics="off"] blockquote { font-style: normal; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

ul, ol { padding-left: 1.25rem; }
li { margin: .35rem 0; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: .9em;
  background: var(--bg-card);
  padding: .1em .35em;
  border-radius: 3px;
}

img { max-width: 100%; height: auto; }

::selection { background: var(--accent-soft); color: var(--ink); }

/* ---- Layout ------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: .5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: .5rem; top: .5rem; }

/* ---- Header ------------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--rule);
  padding: .75rem 0;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 64rem;
}

.wordmark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -.005em;
}
.wordmark .dot { color: var(--accent); }
.wordmark:hover { color: var(--ink); }

.primary-nav {
  display: none;
  gap: 1.25rem;
}
@media (min-width: 720px) {
  .primary-nav { display: flex; }
}
.primary-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-family: var(--sans);
  font-size: .95rem;
}
.primary-nav a:hover { color: var(--accent); }

.prefs-toggle {
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: .35rem .85rem;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  letter-spacing: -.01em;
}
.prefs-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Reading prefs panel ------------------------------------------------ */

.prefs-panel {
  background: var(--bg-card);
  border-bottom: 1px solid var(--rule);
  padding: 1rem 0;
}
.prefs-panel[hidden] { display: none; }
.prefs-panel .wrap { max-width: 44rem; }
.prefs-panel h2 { margin: 0 0 .75rem; font-size: 1rem; font-family: var(--sans); font-weight: 600; }
.pref { display: flex; align-items: center; gap: .75rem; margin: .5rem 0; font-family: var(--sans); font-size: .9rem; }
.pref label { min-width: 8rem; color: var(--ink-soft); }
.pref input[type="range"], .pref select { flex: 1; max-width: 14rem; }
.prefs-reset {
  margin-top: .75rem;
  background: transparent;
  border: 1px solid var(--rule);
  padding: .35rem .85rem;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: .85rem;
  color: var(--ink-soft);
  cursor: pointer;
}
.prefs-reset:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Hero --------------------------------------------------------------- */

.hero {
  padding: 3rem 0 1rem;
  text-align: left;
}
.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  margin: 0 0 1rem;
  letter-spacing: -.02em;
  font-weight: 500;
}
.hero h1 .dot { color: var(--accent); }
.hero .lede {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--ink-soft);
  font-style: italic;
  margin: 0 0 .65rem;
}
[data-italics="off"] .hero .lede { font-style: normal; }
.hero .sublede {
  font-family: var(--sans);
  color: var(--ink-soft);
  max-width: 30rem;
  margin: 0 0 1.5rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}

.cta {
  display: inline-block;
  padding: .65rem 1.25rem;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
}
.cta.primary { background: var(--accent); color: #fff; }
.cta.primary:hover { background: var(--link-hover); color: #fff; }
.cta.secondary { background: transparent; color: var(--ink-soft); border-color: var(--rule); font-size: .88rem; padding: .5rem 1rem; }
.cta.secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Cards & lists ------------------------------------------------------ */

.card-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 1rem 0 2rem;
}
.card {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--bg-card);
  transition: border-color .2s var(--ease);
}
.card:hover { border-color: var(--accent); }
.card a {
  display: block;
  padding: 1rem 1.25rem;
  color: var(--ink);
  text-decoration: none;
}
.card h2, .card h3 {
  margin: 0 0 .35rem;
  font-size: 1.05rem;
  color: var(--accent);
}
.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .92rem;
  font-family: var(--sans);
}

.amendment-grid {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: .5rem;
  counter-reset: none;
}
.amendment-grid li { margin: 0; }
.amendment-grid a {
  display: flex;
  flex-direction: column;
  padding: .65rem .85rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  background: var(--bg-card);
  transition: border-color .2s var(--ease);
}
.amendment-grid a:hover { border-color: var(--accent); }
.amendment-grid .num {
  font-family: var(--sans);
  font-size: .8rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.amendment-grid .title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: .98rem;
}

.article-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: .5rem;
}
.article-list a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: .65rem .85rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  background: var(--bg-card);
}
.article-list a:hover { border-color: var(--accent); }
.article-list .num { font-family: var(--sans); font-size: .85rem; color: var(--ink-faint); min-width: 5rem; }
.article-list .title { font-family: var(--serif); font-weight: 500; }

.situation-list { list-style: disc; padding-left: 1.25rem; }

/* ---- Amendment / Article / Situation pages ------------------------------ */

.amendment-header {
  padding: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--rule);
}
.amendment-header .eyebrow {
  font-family: var(--sans);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-faint);
  margin: 0 0 .5rem;
}
.amendment-header h1 {
  margin: 0 0 .5rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -.015em;
  font-weight: 500;
}
.amendment-header .ratified,
.amendment-header .summary {
  font-family: var(--sans);
  color: var(--ink-soft);
  margin: 0;
}

.layer {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
}
.layer h2 {
  font-size: 1.05rem;
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-faint);
  font-weight: 600;
  margin: 0 0 .35rem;
}
.layer-note {
  font-family: var(--sans);
  font-size: .85rem;
  color: var(--ink-faint);
  font-style: italic;
  margin: 0 0 1rem;
}
[data-italics="off"] .layer-note { font-style: normal; }

.layer.verbatim p {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.7;
}
.layer.plain p { font-size: 1.05em; }

.related { padding: 1.5rem 0; border-bottom: 1px solid var(--rule); }
.related h2 { font-size: 1.05rem; font-family: var(--sans); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); }

.amendment-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  font-family: var(--sans);
  font-size: .95rem;
}
.amendment-nav a { text-decoration: none; }
.amendment-nav .prev { margin-right: auto; }
.amendment-nav .next { margin-left: auto; }

.review-footer {
  padding: 1rem 0 3rem;
  font-family: var(--sans);
  font-size: .85rem;
  color: var(--ink-faint);
}
.review-footer p { margin: .25rem 0; }

/* ---- Footer ------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 2rem 0 3rem;
  margin-top: 3rem;
  font-family: var(--sans);
  font-size: .9rem;
  color: var(--ink-soft);
}
.site-footer nav { margin: .75rem 0; display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-footer .meta { color: var(--ink-faint); font-size: .82rem; max-width: 40rem; }

/* ---- Inline italicized "Note:" callouts inside content ------------------ */

em strong, strong em { color: var(--accent); font-style: italic; font-weight: 600; }
[data-italics="off"] em strong, [data-italics="off"] strong em { font-style: normal; }

/* ---- Hope for Americans mark -------------------------------------------- */

.hfa-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  color: var(--ink-faint);
  font-family: var(--sans);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .02em;
  margin-bottom: 1.25rem;
  transition: color .15s;
}
.hfa-eyebrow:hover { color: var(--ink-soft); }

.hfa-mark {
  width: 22px;
  height: 22px;
  background: #0052FF;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hfa-mark svg { width: 14px; height: 14px; }

.footer-brand {
  margin-bottom: 1rem;
}
.hfa-footer {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  color: var(--ink-soft);
  transition: color .15s;
}
.hfa-footer:hover { color: var(--ink); }
.hfa-footer .hfa-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}
.hfa-footer .hfa-mark svg { width: 18px; height: 18px; }
.hfa-footer-text {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.35;
}
.hfa-footer-text strong {
  font-size: .88rem;
  font-weight: 600;
  color: var(--ink);
}
.hfa-footer-text span {
  font-size: .78rem;
  color: var(--ink-faint);
}