/* Praxa — shared stylesheet.
   Design tokens first (palette + type), then a small mobile-first layout.
   No framework, no JS. Apple system fonts via CSS generics: New York (serif)
   for titles, San Francisco (sans) for everything else, with graceful
   fallbacks on non-Apple platforms. */

:root {
  --font-serif: ui-serif, "New York", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, ui-sans-serif, "SF Pro Text",
    system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Light (default): ivory paper, near-black ink. */
  --bg: #f5f1e8;
  --text: #1a1a1a;
  --text-muted: #6b675e;
  --rule: #e2ddd0;
  --focus: #1a1a1a;

  --measure: 34rem; /* readable line length */
  --space: clamp(1.25rem, 4vw, 2rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Dark: charcoal, ivory ink (slightly softened so it doesn't vibrate). */
    --bg: #141414;
    --text: #ece7db;
    --text-muted: #9a958a;
    --rule: #2c2c2c;
    --focus: #ece7db;
  }
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Shared page frame */
.wrap {
  width: 100%;
  max-width: var(--measure);
  margin-inline: auto;
  padding-inline: var(--space);
}

/* Site header (small wordmark that links home on interior pages) */
.site-head {
  padding-block: clamp(1.5rem, 5vw, 2.5rem);
}

.site-head a {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
}

.site-head a:hover {
  text-decoration: underline;
}

/* Main content grows to push the footer down */
main {
  flex: 1 0 auto;
  padding-block: clamp(1rem, 4vw, 2rem);
}

/* ---- Landing hero ---- */
.hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(3rem, 14vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0;
}

.hero .tagline {
  font-size: clamp(1.125rem, 5vw, 1.5rem);
  color: var(--text-muted);
  margin: 0;
}

.hero .lede {
  max-width: 30rem;
  margin: 1.25rem auto 0;
  color: var(--text);
}

.hero .cta {
  margin-top: 2rem;
}

/* Official Apple badge — fixed height per Apple's guidelines, unmodified art. */
.badge {
  display: inline-block;
  border-radius: 8px;
}

.badge img {
  height: 52px;
  width: auto;
  display: block;
}

.badge:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

/* ---- Prose (privacy policy) ---- */
.prose h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2rem, 8vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 0.25rem;
}

.prose .effective {
  color: var(--text-muted);
  font-style: italic;
  margin-top: 0;
}

.prose h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.4rem;
  line-height: 1.25;
  margin: 2.5rem 0 0.5rem;
}

.prose p,
.prose li {
  color: var(--text);
}

.prose ul {
  padding-left: 1.25rem;
}

.prose li {
  margin-block: 0.35rem;
}

.prose strong {
  font-weight: 600;
}

/* ---- About placeholder ---- */
.centered {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

.centered h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.75rem, 7vw, 2.5rem);
  margin: 0;
}

.centered p {
  color: var(--text-muted);
  margin: 0;
}

/* ---- Links: never color-only. Underlined by default (monochrome palette). ---- */
a {
  color: var(--text);
}

.prose a,
.footer-links a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-thickness: 1px;
}

.prose a:hover,
.footer-links a:hover {
  text-decoration-thickness: 2px;
}

/* ---- Footer ---- */
.site-foot {
  flex-shrink: 0;
  border-top: 1px solid var(--rule);
  margin-top: clamp(3rem, 10vw, 5rem);
  padding-block: 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.site-foot .footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.copyright {
  white-space: nowrap;
}

/* ---- Focus + motion ---- */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}