/* ---------------------------------------------------------------------------
   Denaturalization Defense Clearinghouse
   Text-first, lightly designed. No images/icons/logos — visual interest comes
   from color, type, spacing, and layout only. Mobile-responsive, WCAG 2.1 AA.
--------------------------------------------------------------------------- */

:root {
  --brand: #0b4fa8;          /* links, buttons, accents */
  --brand-hover: #08376f;
  --brand-dark: #12233f;     /* header / footer bar */
  --bg: #eaeef3;             /* page tint behind the content panel */
  --card: #ffffff;           /* content panel */
  --text: #191c21;
  --text-muted: #55606e;
  --border: #d9dfe7;
  --header-text: #f4f7fb;
  --header-muted: #b6c2d4;
  --header-line: rgba(255, 255, 255, 0.16);
  --warn-bg: #fbf3e2;
  --warn-border: #c98a00;
  --warn-text: #4a3a0c;
  --error: #a3000f;

  --max-width: 48rem;
  --radius: 12px;
  --font: Georgia, "Times New Roman", serif;
  --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #7cb0f5;
    --brand-hover: #a9caf8;
    --brand-dark: #0b1220;
    --bg: #0c0e12;
    --card: #161a20;
    --text: #e9ebee;
    --text-muted: #aab2bd;
    --border: #2a303a;
    --header-text: #f2f5f9;
    --header-muted: #9fb0c6;
    --header-line: rgba(255, 255, 255, 0.10);
    --warn-bg: #2c2618;
    --warn-border: #c98a00;
    --warn-text: #f0e2c2;
    --error: #ff7b85;
  }
}

* { box-sizing: border-box; }

html { font-size: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.125rem;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---- Header / nav (colored bar) ---- */
.site-header {
  background: var(--brand-dark);
  color: var(--header-text);
  font-family: var(--font-ui);
}
.site-title {
  margin: 0;
  padding: 1.5rem 0 1rem;
}
.site-title a { color: var(--header-text); text-decoration: none; display: block; }
.site-title .name {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.site-title .tagline {
  display: block;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--header-muted);
  margin-top: 0.25rem;
}

.main-nav {
  border-top: 1px solid var(--header-line);
}
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.4rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem 1.5rem;
}
.main-nav a {
  color: var(--header-muted);
  text-decoration: none;
  font-size: 1rem;
  padding: 0.4rem 0;
  display: inline-block;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--header-text); border-bottom-color: var(--header-muted); }
.main-nav a[aria-current="page"] { color: #fff; font-weight: 600; border-bottom-color: #fff; }

/* ---- Main content panel ---- */
main { flex: 1 0 auto; padding-block: 2.25rem 3.5rem; }
main > .container {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 4px solid var(--brand);
  border-radius: var(--radius);
  padding: 2.25rem 2.5rem;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 10px 30px rgba(16, 24, 40, 0.05);
}

h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 3px solid var(--brand);
}
h2 {
  font-size: 1.45rem;
  line-height: 1.25;
  margin: 2.25rem 0 0.75rem;
  padding-left: 0.75rem;
  border-left: 4px solid var(--brand);
}
h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }

p, ul.prose, ol.prose { margin: 0 0 1rem; }
ul.prose, ol.prose { padding-left: 1.5rem; }
ul.prose li, ol.prose li { margin-bottom: 0.4rem; }

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

.lead {
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.define { font-style: italic; color: var(--text-muted); }

/* ---- Buttons / calls to action ---- */
.actions {
  margin: 1.75rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.button {
  font-family: var(--font-ui);
  font-size: 1.05rem;
  font-weight: 600;
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--brand);
  border-radius: 8px;
  text-decoration: none;
  color: #fff;
  background: var(--brand);
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.button:hover { background: var(--brand-hover); border-color: var(--brand-hover); color: #fff; }
.button.secondary { background: transparent; color: var(--brand); }
.button.secondary:hover { background: color-mix(in srgb, var(--brand) 10%, transparent); color: var(--brand-hover); }

/* A lighter-weight CTA row that sits high on a page */
.cta-early {
  margin: 1.5rem 0 0.5rem;
  padding: 1.1rem 1.25rem;
  background: color-mix(in srgb, var(--brand) 8%, var(--card));
  border: 1px solid color-mix(in srgb, var(--brand) 25%, var(--border));
  border-radius: 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  font-family: var(--font-ui);
}
.cta-early p { margin: 0; font-size: 1rem; color: var(--text); }
.cta-early .button { margin-left: auto; }

/* ---- Callout (informational note, lighter than the legal disclaimer) ---- */
.callout {
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand);
  background: color-mix(in srgb, var(--brand) 5%, var(--card));
  padding: 0.9rem 1.15rem;
  margin: 1.5rem 0;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.55;
}
.callout p { margin: 0; }

/* ---- Disclaimer box ---- */
.disclaimer {
  border: 1px solid var(--warn-border);
  border-left: 5px solid var(--warn-border);
  background: var(--warn-bg);
  color: var(--warn-text);
  padding: 1.1rem 1.25rem;
  margin: 1.75rem 0;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.55;
}
.disclaimer strong { display: block; margin-bottom: 0.4rem; }

/* ---- Forms ---- */
form { font-family: var(--font-ui); font-size: 1rem; }
fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 0 0 1.5rem;
  padding: 1rem 1.25rem 1.25rem;
  background: color-mix(in srgb, var(--brand) 3%, var(--card));
}
legend { font-weight: 700; font-size: 1.1rem; padding: 0 0.4rem; }

.field { margin-bottom: 1.15rem; }
.field > label { display: block; font-weight: 600; margin-bottom: 0.3rem; }
.field .hint { display: block; font-weight: 400; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.3rem; }
.req { color: var(--error); }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="search"],
input[type="file"],
select,
textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.6rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
}
textarea { min-height: 6rem; resize: vertical; }

.radio-group, .checkbox-group { display: grid; gap: 0.5rem; margin-top: 0.25rem; }
.radio-option, .checkbox-option { display: flex; gap: 0.6rem; align-items: flex-start; font-weight: 400; }
.radio-option input, .checkbox-option input { margin-top: 0.35rem; flex: 0 0 auto; }
.radio-option label, .checkbox-option label { font-weight: 400; }

.conditional { border-left: 3px solid var(--border); padding-left: 1rem; margin: 0.5rem 0 1rem; }
[hidden] { display: none !important; }

.char-count { font-size: 0.85rem; color: var(--text-muted); }

button[type="submit"] {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.85rem 1.6rem;
  border: 2px solid var(--brand);
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
}
button[type="submit"]:hover { background: var(--brand-hover); border-color: var(--brand-hover); }

.form-note {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  border: 1px dashed var(--border);
  background: color-mix(in srgb, var(--brand) 4%, var(--card));
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  border-radius: 8px;
  color: var(--text-muted);
}

/* ---- Focus visibility (keyboard) ---- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}

/* ---- Footer (colored bar) ---- */
.site-footer {
  flex-shrink: 0;
  background: var(--brand-dark);
  color: var(--header-muted);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  padding-block: 1.75rem 2.5rem;
}
.site-footer nav ul {
  list-style: none;
  margin: 0 0 0.9rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
}
.site-footer a { color: var(--header-text); }
.site-footer a:hover { color: #fff; }
.site-footer p { margin: 0; max-width: 46rem; }

/* Names the site and its address together, so anyone who was given the URL
   verbally can connect the two -- and so the domain appears in the page text
   at all, which it otherwise never did. */
.site-footer .site-id {
  margin-bottom: 0.6rem;
  color: var(--header-text);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  body { font-size: 1.06rem; }
  main > .container { padding: 1.5rem 1.25rem; }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.3rem; }
  .cta-early .button { margin-left: 0; width: 100%; text-align: center; }
}

/* ---- Anti-bot honeypot (hidden from humans, off-screen not display:none so
       bots that skip hidden fields still see it) ---- */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.turnstile-slot { margin: 1.25rem 0; }

/* ---- Utility ---- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}