/* México FM — privacy notice
   Text-first legal document. No framework, no build step, no dependencies.
   System font stack; readable measure; light + dark via prefers-color-scheme. */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --fg-muted: #55595f;
  --rule: #e2e5e9;
  --accent: #1f5fbf;
  --note-bg: #f4f6f9;
  --note-border: #d5dbe3;
  --todo-bg: #fff3cd;
  --todo-fg: #6a4b00;
  --measure: 70ch;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e7e9ec;
    --fg-muted: #a2a8b0;
    --rule: #2a2e35;
    --accent: #7fb0ff;
    --note-bg: #1c1f25;
    --note-border: #333944;
    --todo-bg: #3a3115;
    --todo-fg: #f2d98a;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  padding: 0 1.25rem;
}

/* ── Header / language toggle ─────────────────────────────────────────── */
.site-header {
  max-width: var(--measure);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid var(--rule);
}

.app-name {
  margin: 0;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-btn {
  appearance: none;
  background: none;
  border: none;
  padding: 0.35rem 0.5rem;
  margin: 0;
  font: inherit;
  font-size: 1rem;
  color: var(--fg-muted);
  cursor: pointer;
  border-radius: 6px;
}

.lang-btn:hover {
  color: var(--fg);
}

.lang-btn[aria-pressed="true"] {
  color: var(--accent);
  font-weight: 700;
}

.lang-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lang-sep {
  color: var(--rule);
}

/* ── Document body ────────────────────────────────────────────────────── */
main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.aviso h1 {
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 0 0 0.75rem;
}

.aviso h2 {
  font-size: 1.15rem;
  line-height: 1.3;
  margin: 2.25rem 0 0.5rem;
  padding-top: 0.25rem;
}

.aviso p,
.aviso li {
  color: var(--fg);
}

.aviso ul,
.aviso ol {
  padding-left: 1.4rem;
}

.aviso li {
  margin: 0.4rem 0;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-word;
}

.meta {
  color: var(--fg-muted);
  margin: 0 0 1.25rem;
}

.controlling-note {
  background: var(--note-bg);
  border: 1px solid var(--note-border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  color: var(--fg-muted);
  margin: 0 0 1.5rem;
}

/* ── Footer ───────────────────────────────────────────────────────────── */
.site-footer {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--rule);
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

/* ── Small screens ────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  body {
    font-size: 16px;
    padding: 0 1rem;
  }
  .aviso h1 {
    font-size: 1.4rem;
  }
}