/* -------------------------------------------------------------------------
 * Chicken Babies R Us — site.css
 *
 * Single stylesheet for the public brochure site. Mobile-first; one
 * breakpoint at 48rem (~768px) for tablet and up. Self-hosted only; no
 * external font imports or third-party CSS.
 *
 * Table of contents
 *   1. Reset
 *   2. Design tokens (:root custom properties from ROADMAP palette)
 *   3. Base typography + body
 *   4. Layout primitives (.wrap, header, nav, main, footer)
 *   5. Components (.post-card, .shop-card, .contact-form, .btn, skip-link)
 *   6. Responsive (48rem breakpoint)
 * ------------------------------------------------------------------------- */


/* 1. Reset ---------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body,
h1, h2, h3, h4, h5, h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

body {
  line-height: 1.5;
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  -webkit-font-smoothing: antialiased;
}

img,
picture {
  max-width: 100%;
  display: block;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}


/* 2. Design tokens -------------------------------------------------------- */
:root {
  /* Palette (authoritative values from docs/ROADMAP.md Visual Design). */
  --c-sky: #A9CCE3;
  --c-sky-deep: #5D8AA8;
  --c-cream: #FAF3E7;
  --c-wheat: #E4D4A8;
  --c-ink: #2B3A42;
  --c-leaf: #7FA66B;

  /* Type stacks: system fonts only so we never hit a third-party CDN. */
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Spacing scale (rem-based; base = 1rem = 16px). */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;

  --radius: 0.5rem;
  --max-width: 68rem;
}


/* 3. Base typography + body ---------------------------------------------- */
body {
  font-family: var(--font-sans);
  background-color: var(--c-cream);
  color: var(--c-ink);
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--c-ink);
  line-height: 1.2;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p {
  margin-block: var(--space-3);
}

a {
  color: var(--c-sky-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover,
a:focus-visible {
  color: var(--c-ink);
}

/* Utility: visually hide but keep available to assistive tech. */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}


/* 4. Layout primitives ---------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

/* Skip link — hidden offscreen until focused by keyboard. */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  padding: var(--space-2) var(--space-3);
  background-color: var(--c-ink);
  color: var(--c-cream);
  text-decoration: none;
  transform: translateY(-120%);
  transition: transform 0.15s ease-out;
  z-index: 100;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header / brand / nav ---------------------------------------------------- */
.site-header {
  background-color: var(--c-sky);
  border-bottom: 1px solid rgba(43, 58, 66, 0.1);
}

.site-header__wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-block: var(--space-3);
  gap: var(--space-3);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.site-header__logo {
  height: 48px;
  width: auto;
}

/* Mobile nav toggle (shown < 48rem, hidden ≥ 48rem). */
.site-nav__toggle {
  appearance: none;
  background: transparent;
  border: 1px solid var(--c-ink);
  border-radius: var(--radius);
  padding: var(--space-2);
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 4px;
  width: 2.5rem;
  height: 2.5rem;
}

.site-nav__toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--c-ink);
  border-radius: 2px;
}

/* Collapsed by default on narrow viewports. */
.site-nav {
  flex-basis: 100%;
  display: none;
}

.site-nav.is-open {
  display: block;
}

.site-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block: var(--space-2);
}

.site-nav__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--c-ink);
  font-weight: 600;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  background-color: rgba(255, 255, 255, 0.35);
  color: var(--c-ink);
}

.site-nav__link.is-active {
  background-color: var(--c-cream);
  color: var(--c-sky-deep);
}

/* Muted link for not-yet-live destinations (Shop in Phase 1). */
.site-nav__link.nav--muted {
  opacity: 0.65;
}

/* Main + footer ----------------------------------------------------------- */
.site-main {
  flex: 1 0 auto;
  padding-block: var(--space-5);
}

/* Remove default focus ring on <main> when focused via the skip link. */
.site-main:focus {
  outline: none;
}

.site-footer {
  background-color: var(--c-ink);
  color: var(--c-cream);
  padding-block: var(--space-4);
  margin-top: var(--space-6);
}

.site-footer a {
  color: var(--c-sky);
}

.site-footer__tag {
  margin: 0;
  font-family: var(--font-serif);
}

.site-footer__legal {
  margin-top: var(--space-2);
  font-size: 0.875rem;
  opacity: 0.8;
}


/* 5. Components ---------------------------------------------------------- */

/* Page intro block on home. */
.page-intro {
  margin-bottom: var(--space-5);
}

.page-intro__title {
  margin-bottom: var(--space-2);
}

.page-intro__lede {
  font-size: 1.125rem;
  color: var(--c-ink);
  max-width: 48rem;
}

/* Generic article wrapper for About, Contact, Shop. */
.page-article {
  max-width: 48rem;
}

.page-article__header {
  margin-bottom: var(--space-4);
}

.page-article__title {
  margin-bottom: var(--space-2);
}

/* Post list + card. */
.post-list {
  display: grid;
  gap: var(--space-4);
}

.post-list__empty {
  padding: var(--space-4);
  background-color: var(--c-wheat);
  border-radius: var(--radius);
  text-align: center;
  font-style: italic;
}

.post-card {
  background-color: #ffffff;
  border: 1px solid var(--c-wheat);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: 0 1px 2px rgba(43, 58, 66, 0.06);
}

.post-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.post-card__title {
  margin: 0;
}

.post-card__title a {
  color: var(--c-ink);
  text-decoration: none;
}

.post-card__title a:hover,
.post-card__title a:focus-visible {
  color: var(--c-sky-deep);
  text-decoration: underline;
}

.post-card__date {
  font-size: 0.875rem;
  color: var(--c-sky-deep);
  font-family: var(--font-sans);
}

.post-card__excerpt {
  margin: 0;
}

/* Shop "coming soon" card. */
.shop-card {
  background-color: var(--c-wheat);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.shop-card__title {
  margin-bottom: var(--space-2);
  color: var(--c-ink);
}

.shop-card__body {
  margin-block: var(--space-2);
}

/* Contact form (inert in Phase 1). */
.contact-mailto {
  background-color: var(--c-sky);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.contact-mailto--muted {
  background-color: var(--c-wheat);
  font-style: italic;
}

.contact-form {
  display: grid;
  gap: var(--space-3);
  max-width: 32rem;
  margin-top: var(--space-3);
}

.contact-form__note {
  margin-top: var(--space-3);
  font-style: italic;
  color: var(--c-sky-deep);
}

.contact-form__field {
  display: grid;
  gap: var(--space-1);
}

.contact-form__field label {
  font-weight: 600;
}

.contact-form__field input,
.contact-form__field textarea {
  padding: var(--space-2);
  border: 1px solid var(--c-wheat);
  border-radius: var(--radius);
  background-color: #ffffff;
}

.contact-form__field input:disabled,
.contact-form__field textarea:disabled {
  background-color: #f5f1e6;
  color: #7a7a7a;
  cursor: not-allowed;
}

.contact-form__actions {
  margin-top: var(--space-2);
}

/* Generic button. */
.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn--primary {
  background-color: var(--c-sky-deep);
  color: var(--c-cream);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--c-ink);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* 6. Responsive — tablet & up ------------------------------------------- */
@media (min-width: 48rem) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.75rem; }

  .site-header__wrap {
    flex-wrap: nowrap;
  }

  /* Hide the mobile toggle; show the nav inline. */
  .site-nav__toggle {
    display: none;
  }

  .site-nav {
    display: block;
    flex-basis: auto;
  }

  .site-nav__list {
    flex-direction: row;
    gap: var(--space-3);
    padding-block: 0;
  }

  .post-list {
    gap: var(--space-5);
  }
}