/*
 * Awesome Cuisine — Child Theme Shared Stylesheet
 * File: ac-styles.css
 * Enqueued via functions.php on every page.
 *
 * Contains: design tokens, reset, typography, layout primitives,
 * shared components (cards, buttons, header, footer, section headers).
 * Page-specific rules live in each template's inline <style> block.
 * ================================================================
 */


/* ================================================================
   1. DESIGN TOKENS
   ================================================================ */
:root {
  /* Brand colours */
  --color-red:          #c8312a;
  --color-red-dark:     #a0251f;
  --color-red-light:    #f5e8e7;
  --color-gold:         #e8a020;
  --color-gold-light:   #fdf3e0;

  /* Neutrals */
  --color-ink:          #1a1612;
  --color-body:         #3d3530;
  --color-muted:        #7a6e68;
  --color-border:       #e8e2dd;
  --color-bg:           #fdfaf7;
  --color-bg-alt:       #f5f0ea;
  --color-white:        #ffffff;

  /* Typography — families loaded by WP Rocket / Perfmatters self-host */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Karla', system-ui, sans-serif;
  --font-ui:      'Karla', system-ui, sans-serif;

  /* Type scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.25rem;
  --text-xl:   1.5rem;
  --text-2xl:  1.875rem;
  --text-3xl:  2.25rem;
  --text-4xl:  3rem;

  /* Line heights */
  --leading-tight:   1.15;
  --leading-snug:    1.3;
  --leading-normal:  1.6;
  --leading-relaxed: 1.75;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max:    1240px;
  --container-narrow: 780px;
  --gutter:           clamp(1rem, 4vw, 2rem);

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(26,22,18,.08), 0 1px 2px rgba(26,22,18,.06);
  --shadow-md:   0 4px 12px rgba(26,22,18,.10), 0 2px 4px rgba(26,22,18,.06);
  --shadow-lg:   0 12px 32px rgba(26,22,18,.12), 0 4px 8px rgba(26,22,18,.06);
  --shadow-card: 0 2px 8px rgba(26,22,18,.08);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-index */
  --z-sticky:   200;
  --z-dropdown: 100;
  --z-overlay:  300;
}


/* ================================================================
   2. RESET & BASE
   ================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-body);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea { font-family: inherit; }


/* ================================================================
   3. TYPOGRAPHY
   ================================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-ink);
  line-height: var(--leading-tight);
  font-weight: 700;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}
p:last-child { margin-bottom: 0; }


/* ================================================================
   4. LAYOUT PRIMITIVES
   ================================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid   { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.truncate-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


/* ================================================================
   5. SECTION HEADER (used on every page)
   ================================================================ */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-border);
  gap: var(--space-4);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-ink);
  position: relative;
}

.section-header__title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1em;
  background: var(--color-red);
  border-radius: 2px;
  margin-right: var(--space-3);
  vertical-align: middle;
  margin-bottom: 2px;
}

.section-header__link {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-red);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.section-header__link:hover {
  color: var(--color-red-dark);
  text-decoration: underline;
}


/* ================================================================
   6. BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-red);
  color: var(--color-white);
  border-color: var(--color-red);
}
.btn--primary:hover {
  background: var(--color-red-dark);
  border-color: var(--color-red-dark);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-red);
  border-color: var(--color-red);
}
.btn--outline:hover {
  background: var(--color-red);
  color: var(--color-white);
}

.btn--ghost {
  background: transparent;
  color: var(--color-body);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-muted);
}

.btn--lg {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
}

.btn--sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
}


/* ================================================================
   7. RECIPE CARD
   ================================================================ */
.recipe-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
}

.recipe-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.recipe-card__image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
  flex-shrink: 0;
}

.recipe-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.recipe-card:hover .recipe-card__image-wrap img {
  transform: scale(1.04);
}

/* No-image fallback */
.recipe-card__image-wrap--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, #ede8e1 100%);
  color: var(--color-muted);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
}

.recipe-card__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.recipe-card__category {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-red);
  margin-bottom: var(--space-2);
}

.recipe-card__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-ink);
  line-height: var(--leading-snug);
  flex: 1;
  transition: color var(--transition-fast);
}

.recipe-card:hover .recipe-card__title {
  color: var(--color-red);
}

/* Horizontal variant (sidebar / compact lists) */
.recipe-card--horizontal {
  flex-direction: row;
  align-items: stretch;
}

.recipe-card--horizontal .recipe-card__image-wrap {
  width: 110px;
  flex-shrink: 0;
  aspect-ratio: unset;
}

.recipe-card--horizontal .recipe-card__body {
  padding: var(--space-3) var(--space-4);
}

.recipe-card--horizontal .recipe-card__title {
  font-size: var(--text-base);
}


/* ================================================================
   8. ARTICLE / GUIDE CARD
   ================================================================ */
.article-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.article-card__image-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
  flex-shrink: 0;
}

.article-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.article-card:hover .article-card__image-wrap img {
  transform: scale(1.04);
}

.article-card__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card__label {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.article-card__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-ink);
  line-height: var(--leading-snug);
  flex: 1;
  transition: color var(--transition-fast);
}

.article-card:hover .article-card__title {
  color: var(--color-red);
}


/* ================================================================
   9. CATEGORY TILE
   ================================================================ */
.category-tile {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
  display: block;
  background: var(--color-bg-alt);
  text-decoration: none;
}

.category-tile__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.category-tile:hover .category-tile__img {
  transform: scale(1.06);
}

.category-tile__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(26,22,18,.72) 0%,
    rgba(26,22,18,.10) 55%,
    transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-4);
}

.category-tile__name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-white);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-1);
}

.category-tile__count {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: rgba(255,255,255,.72);
}

.category-tile:hover .category-tile__name {
  text-decoration: underline;
  text-underline-offset: 3px;
}


/* ================================================================
   10. HEADER
   ================================================================ */
.ac-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

/* ── Top bar: logo + search + utility links ── */
.ac-header__top {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-3);
}

.ac-header__top-inner {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: var(--space-6);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.ac-header__logo img {
  height: 52px;
  width: auto;
  display: block;
}

/* Search form */
.ac-header__search {
  position: relative;
  max-width: 520px;
  width: 100%;
  margin-inline: auto;
}

.ac-header__search input[type="search"] {
  width: 100%;
  padding: 10px 110px 10px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: 0;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-ink);
  background: var(--color-bg);
  outline: none;
  transition: border-color var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.ac-header__search input[type="search"]:focus {
  border-color: var(--color-red);
}

.ac-header__search button[type="submit"] {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  padding: 0 20px;
  background: var(--color-red);
  color: var(--color-white);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: .05em;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.ac-header__search button[type="submit"]:hover {
  background: var(--color-red-dark);
}

/* Utility links (top-right) */
.ac-header__util {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.ac-header__util a {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-body);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.ac-header__util a:hover {
  color: var(--color-red);
  background: var(--color-red-light);
}

.ac-header__util a.is-highlighted {
  color: var(--color-white);
  background: var(--color-red);
  border-radius: var(--radius-full);
  padding-inline: var(--space-4);
}

.ac-header__util a.is-highlighted:hover {
  background: var(--color-red-dark);
}

/* ── Red navigation bar (wp_nav_menu) ── */
.ac-header__nav {
  background: var(--color-red);
}

.ac-header__nav-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  scrollbar-width: none;
}

.ac-header__nav-inner::-webkit-scrollbar { display: none; }

/* Reset wp_nav_menu ul */
.ac-header__nav ul {
  display: flex;
  align-items: stretch;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.ac-header__nav ul li {
  position: relative;
}

.ac-header__nav ul li a {
  display: flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-white);
  padding: var(--space-3) var(--space-4);
  white-space: nowrap;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.ac-header__nav ul li a:hover,
.ac-header__nav ul li:hover > a,
.ac-header__nav ul li.current-menu-item > a,
.ac-header__nav ul li.current-menu-ancestor > a {
  background: rgba(0,0,0,.18);
}

/* Dropdown */
.ac-header__nav ul li ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-red);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  padding-block: var(--space-2);
}

.ac-header__nav ul li:hover > ul {
  display: flex;
}

.ac-header__nav ul li ul li a {
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: none;
  color: var(--color-body);
  padding: var(--space-2) var(--space-5);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.ac-header__nav ul li ul li a:hover {
  background: var(--color-red-light);
  color: var(--color-red);
}

/* Mobile hamburger button */
.ac-header__menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--color-ink);
}

.ac-header__menu-toggle svg {
  display: block;
  width: 24px;
  height: 24px;
}


/* ================================================================
   11. BREADCRUMB
   ================================================================ */
.ac-breadcrumb {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-muted);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.ac-breadcrumb__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.ac-breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.ac-breadcrumb a:hover { color: var(--color-red); }

.ac-breadcrumb__sep {
  color: var(--color-border);
  font-size: var(--text-xs);
}

.ac-breadcrumb__current {
  color: var(--color-ink);
  font-weight: 600;
}


/* ================================================================
   12. FOOTER
   ================================================================ */
.ac-footer {
  background: #111;
  color: rgba(255,255,255,.75);
  margin-top: var(--space-20);
}

.ac-footer__cols {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: var(--space-12) var(--space-10);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.ac-footer__col h4 {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.95);
  margin-bottom: var(--space-5);
}

.ac-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.ac-footer__col ul a {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: color var(--transition-fast);
  line-height: 1.5;
}

.ac-footer__col ul a:hover { color: #fff; }

/* Newsletter col — FluentForm shortcode replaces the raw form */
.ac-footer__col--newsletter p {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.5);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

/* Override FluentForm styles inside dark footer */
.ac-footer__col--newsletter .ff-el-group { margin-bottom: var(--space-3); }

.ac-footer__col--newsletter .ff-el-form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: #fff;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 0;
  outline: none;
  transition: border-color var(--transition-fast);
}

.ac-footer__col--newsletter .ff-el-form-control::placeholder {
  color: rgba(255,255,255,.35);
}

.ac-footer__col--newsletter .ff-el-form-control:focus {
  border-color: rgba(255,255,255,.4);
}

.ac-footer__col--newsletter .ff_submit_btn_container .ff-btn {
  width: 100%;
  padding: var(--space-3) var(--space-5);
  background: var(--color-red);
  color: #fff;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: var(--text-sm);
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.ac-footer__col--newsletter .ff_submit_btn_container .ff-btn:hover {
  background: var(--color-red-dark);
}

/* Bottom bar */
.ac-footer__bottom {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: var(--space-6);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-6);
}

.ac-footer__copy {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: rgba(255,255,255,.35);
}

.ac-footer__copy a {
  color: var(--color-red);
  text-decoration: none;
}

.ac-footer__logo img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .5;
  display: block;
  margin-inline: auto;
}

.ac-footer__social {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-3);
}

.ac-footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.ac-footer__social a:hover {
  background: var(--color-red);
  color: #fff;
}

.ac-footer__social svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}


/* ================================================================
   13. PAGINATION
   ================================================================ */
.ac-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
  font-family: var(--font-ui);
  flex-wrap: wrap;
}

.ac-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding-inline: var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-body);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.ac-pagination .page-numbers:hover {
  border-color: var(--color-red);
  color: var(--color-red);
}

.ac-pagination .page-numbers.current {
  background: var(--color-red);
  border-color: var(--color-red);
  color: #fff;
}

.ac-pagination .page-numbers.dots {
  border: none;
  color: var(--color-muted);
}


/* ================================================================
   14. PREV / NEXT POST NAVIGATION
   ================================================================ */
.ac-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.ac-post-nav__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.ac-post-nav__item:hover {
  border-color: var(--color-red);
  box-shadow: var(--shadow-md);
}

.ac-post-nav__item--next {
  text-align: right;
}

.ac-post-nav__label {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-muted);
}

.ac-post-nav__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-ink);
  line-height: var(--leading-snug);
  transition: color var(--transition-fast);
}

.ac-post-nav__item:hover .ac-post-nav__title {
  color: var(--color-red);
}


/* ================================================================
   15. RESPONSIVE BREAKPOINTS
   ================================================================ */

/* Tablet ≤ 1024px */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .ac-footer__cols {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .ac-footer__bottom {
    grid-template-columns: 1fr 1fr;
  }

  .ac-footer__logo { display: none; }

  .ac-header__util { display: none; }

  .ac-post-nav { grid-template-columns: 1fr; }
  .ac-post-nav__item--next { text-align: left; }
}

/* Mobile ≤ 768px */
@media (max-width: 768px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }

  .ac-header__top-inner {
    grid-template-columns: auto 1fr auto;
  }

  .ac-header__logo img { height: 42px; }

  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .ac-footer__cols {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .ac-footer__bottom {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .ac-footer__social { justify-content: center; }
}

/* Small mobile ≤ 480px */
@media (max-width: 480px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .ac-header__top-inner {
    grid-template-columns: auto 1fr auto;
    gap: var(--space-3);
  }
}