/* ==========================================================================
   BetterBuys Theme — Main Stylesheet
   Clean editorial design inspired by TheRetailExec & TheCMO
   Playfair Display headings, Inter body, vanilla CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. CSS RESET
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
  line-height: 1.2;
}

p {
  overflow-wrap: break-word;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* --------------------------------------------------------------------------
   1. CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root {
  /* — Colors — */
  --color-primary:      #0891B2;
  --color-primary-dark:  #0E7490;
  --color-primary-light: #22D3EE;
  --color-secondary:     #1A1A2E;
  --color-accent:        #F59E0B;
  --color-accent-dark:   #D97706;
  --color-success:       #10B981;
  --color-danger:        #EF4444;
  --color-bg:            #FFFFFF;
  --color-bg-alt:        #F8FAFC;
  --color-bg-dark:       #0F172A;
  --color-text:          #1E293B;
  --color-text-muted:    #64748B;
  --color-text-light:    #94A3B8;
  --color-border:        #E2E8F0;
  --color-border-dark:   #CBD5E1;

  /* — Fonts — */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* — Font Sizes — */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-md:   1.125rem;   /* 18px */
  --text-lg:   1.25rem;    /* 20px */
  --text-xl:   1.5rem;     /* 24px */
  --text-2xl:  1.875rem;   /* 30px */
  --text-3xl:  2.25rem;    /* 36px */
  --text-4xl:  3rem;       /* 48px */
  --text-5xl:  3.75rem;    /* 60px */

  /* — Spacing — */
  --space-1:  0.25rem;   /* 4px */
  --space-2:  0.5rem;    /* 8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */

  /* — Shadows — */
  --shadow-sm:   0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md:   0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg:   0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl:   0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 12px 24px -4px rgba(0, 0, 0, 0.12);

  /* — Border Radius — */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* — Transitions — */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   350ms ease;

  /* — Z-index — */
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-overlay:   300;
  --z-modal:     400;
  --z-toast:     500;
}

/* --------------------------------------------------------------------------
   2. TYPOGRAPHY — Base
   -------------------------------------------------------------------------- */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-secondary);
}

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);  }

/* --------------------------------------------------------------------------
   3. LAYOUT — Containers & Grid Utilities
   -------------------------------------------------------------------------- */
.l-container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.l-container--narrow {
  max-width: 720px;
}

.l-container--wide {
  max-width: 1400px;
}

.l-section {
  padding-block: var(--space-16);
}

.l-section--sm {
  padding-block: var(--space-10);
}

.l-section--lg {
  padding-block: var(--space-24);
}

/* Grid Utilities */
.g-grid {
  display: grid;
  gap: var(--space-8);
}

.g-2-up {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.g-3-up {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.g-4-up {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.g-sidebar {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-10);
  align-items: start;
}

/* Flex Utilities */
.u-flex {
  display: flex;
}

.u-flex--center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.u-flex--between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.u-flex--gap-sm {
  gap: var(--space-3);
}

.u-flex--gap {
  gap: var(--space-6);
}

/* --------------------------------------------------------------------------
   4. HEADER — .site-header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

/* Utility nav (top bar) */
.utility-nav {
  background: var(--color-secondary);
  color: #fff;
  font-size: var(--text-xs);
  padding-block: var(--space-2);
}

.utility-nav .l-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.utility-nav__links {
  display: flex;
  gap: var(--space-5);
}

.utility-nav__links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.utility-nav__links a:hover {
  color: #fff;
}

.utility-nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Main header bar */
.header-main {
  padding-block: var(--space-5);
}

.header-main .l-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.site-logo {
  flex-shrink: 0;
}

.site-logo img,
.site-logo svg {
  height: 36px;
  width: auto;
}

/* Primary navigation */
.primary-nav {
  flex: 1;
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.primary-nav__item {
  position: relative;
}

.primary-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.primary-nav__link:hover,
.primary-nav__link.is-active {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

/* Dropdown */
.primary-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
  padding: var(--space-2);
}

.primary-nav__item:hover .primary-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.primary-nav__dropdown a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.primary-nav__dropdown a:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-search-toggle,
.header-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.header-search-toggle:hover,
.header-menu-toggle:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.header-menu-toggle {
  display: none;
}

/* Search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.search-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.search-overlay__inner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  padding: var(--space-8) var(--space-6);
  transform: translateY(-20px);
  transition: transform var(--transition-base);
}

.search-overlay.is-active .search-overlay__inner {
  transform: translateY(0);
}

.search-overlay__form {
  max-width: 720px;
  margin-inline: auto;
  position: relative;
}

.search-overlay__input {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  padding-right: 60px;
  font-size: var(--text-xl);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-overlay__input:focus {
  border-color: var(--color-primary);
}

.search-overlay__submit {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-primary);
}

.search-overlay__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  color: var(--color-text-muted);
}

.search-overlay__results {
  max-width: 720px;
  margin: var(--space-6) auto 0;
  max-height: 60vh;
  overflow-y: auto;
}

.search-overlay__result-item {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.search-overlay__result-item:hover {
  background: var(--color-bg-alt);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 90vw;
  background: var(--color-bg);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.mobile-menu.is-active {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu__nav {
  padding: var(--space-4) var(--space-6);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

/* --------------------------------------------------------------------------
   5. FOOTER — .site-footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.8);
}

/* Newsletter band */
.footer-newsletter {
  background: var(--color-secondary);
  padding-block: var(--space-12);
  text-align: center;
}

.footer-newsletter__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: #fff;
  margin-bottom: var(--space-3);
}

.footer-newsletter__text {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-6);
  max-width: 480px;
  margin-inline: auto;
}

.footer-newsletter__form {
  display: flex;
  max-width: 480px;
  margin-inline: auto;
  gap: var(--space-3);
}

.footer-newsletter__input {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.footer-newsletter__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer-newsletter__input:focus {
  border-color: var(--color-primary);
}

/* Footer columns */
.footer-main {
  padding-block: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
}

.footer-brand__description {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 280px;
}

.footer-brand__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.footer-brand__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.footer-brand__social a:hover {
  background: var(--color-primary);
  color: #fff;
}

.footer-column__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: var(--space-5);
}

.footer-column__list li {
  margin-bottom: var(--space-3);
}

.footer-column__list a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-column__list a:hover {
  color: var(--color-primary-light);
}

/* Footer bottom */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-block: var(--space-6);
}

.footer-bottom .l-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom__links {
  display: flex;
  gap: var(--space-5);
}

.footer-bottom__links a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

.footer-bottom__links a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* --------------------------------------------------------------------------
   6. CARDS — .c-card
   -------------------------------------------------------------------------- */
.c-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.c-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.c-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
}

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

.c-card:hover .c-card__media img {
  transform: scale(1.03);
}

.c-card__media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
}

.c-card__body {
  padding: var(--space-6);
}

.c-card__category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.c-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1.3;
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

.c-card__title a:hover {
  color: var(--color-primary);
}

.c-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.c-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.c-card__meta-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.c-card__meta-divider {
  color: var(--color-border);
}

/* Card — Featured (horizontal) */
.c-card--featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.c-card--featured .c-card__media {
  aspect-ratio: auto;
  min-height: 320px;
}

.c-card--featured .c-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-10);
}

.c-card--featured .c-card__title {
  font-size: var(--text-2xl);
}

/* Card — Review */
.c-card--review .c-card__body {
  padding: var(--space-5);
}

.c-card--review .c-card__rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.c-card--review .c-card__score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 28px;
  padding: 0 var(--space-2);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
}

/* Card — Compact (sidebar) */
.c-card--compact {
  display: flex;
  gap: var(--space-4);
  border: none;
  border-radius: 0;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.c-card--compact:hover {
  box-shadow: none;
  transform: none;
}

.c-card--compact .c-card__media {
  width: 80px;
  height: 80px;
  aspect-ratio: 1;
  flex-shrink: 0;
  border-radius: var(--radius-md);
}

.c-card--compact .c-card__body {
  padding: 0;
}

.c-card--compact .c-card__title {
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   7. REVIEWS — Review-specific components
   -------------------------------------------------------------------------- */
.review-header {
  padding-block: var(--space-12);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.review-header__category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.review-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
}

.review-header__subtitle {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 640px;
}

.review-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.review-header__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Overall Score */
.review-score {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-8);
}

.review-score__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.review-score__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.review-score__bar {
  flex: 1;
  height: 8px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.review-score__bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 1s ease-out;
}

/* Star Rating */
.star-rating {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--color-accent);
  font-size: var(--text-md);
}

.star-rating__star {
  display: inline-block;
  width: 1em;
  height: 1em;
}

.star-rating__star--empty {
  color: var(--color-border);
}

.star-rating__star--half {
  position: relative;
}

.star-rating__value {
  margin-left: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* Pros & Cons */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-block: var(--space-8);
}

.pros-cons__section {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
}

.pros-cons__section--pros {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.pros-cons__section--cons {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.pros-cons__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.pros-cons__section--pros .pros-cons__title {
  color: var(--color-success);
}

.pros-cons__section--cons .pros-cons__title {
  color: var(--color-danger);
}

.pros-cons__list li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text);
}

.pros-cons__list li::before {
  position: absolute;
  left: 0;
  top: 2px;
  font-size: var(--text-sm);
  font-weight: 700;
}

.pros-cons__section--pros .pros-cons__list li::before {
  content: "+";
  color: var(--color-success);
}

.pros-cons__section--cons .pros-cons__list li::before {
  content: "\2212";
  color: var(--color-danger);
}

/* Sidebar Info Box */
.sidebar-info {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sidebar-info__header {
  padding: var(--space-5) var(--space-6);
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-info__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
}

.sidebar-info__body {
  padding: var(--space-6);
}

.sidebar-info__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.sidebar-info__row:last-child {
  border-bottom: none;
}

.sidebar-info__label {
  color: var(--color-text-muted);
}

.sidebar-info__value {
  font-weight: 600;
  color: var(--color-text);
}

/* Review category filter tabs */
.review-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.review-filters__tab {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.review-filters__tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.review-filters__tab.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* --------------------------------------------------------------------------
   8. BLOG — Single post typography
   -------------------------------------------------------------------------- */
.single-post__hero {
  position: relative;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.single-post__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.single-post__hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent 60%);
}

.single-post__header {
  max-width: 720px;
  margin-inline: auto;
  padding: var(--space-10) var(--space-6) 0;
  text-align: center;
}

.single-post__category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: rgba(8, 145, 178, 0.08);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
}

.single-post__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.15;
}

.single-post__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.single-post__meta-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.single-post__meta-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.single-post__meta-name {
  font-weight: 600;
  color: var(--color-text);
}

/* Content area */
.single-post__content {
  max-width: 720px;
  margin-inline: auto;
  padding: var(--space-10) var(--space-6);
  font-size: var(--text-md);
  line-height: 1.8;
  color: var(--color-text);
}

.single-post__content p {
  margin-bottom: var(--space-6);
}

.single-post__content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-secondary);
  margin-top: var(--space-12);
  margin-bottom: var(--space-5);
  padding-top: var(--space-4);
}

.single-post__content h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-secondary);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.single-post__content h4 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-secondary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.single-post__content ul,
.single-post__content ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}

.single-post__content ul {
  list-style: disc;
}

.single-post__content ol {
  list-style: decimal;
}

.single-post__content li {
  margin-bottom: var(--space-2);
  padding-left: var(--space-2);
}

.single-post__content blockquote {
  margin: var(--space-8) 0;
  padding: var(--space-6) var(--space-8);
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-secondary);
  line-height: 1.6;
}

.single-post__content blockquote cite {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-muted);
}

.single-post__content table {
  margin: var(--space-8) 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: var(--text-sm);
}

.single-post__content thead {
  background: var(--color-bg-alt);
}

.single-post__content th,
.single-post__content td {
  padding: var(--space-3) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.single-post__content th {
  font-weight: 600;
  color: var(--color-secondary);
}

.single-post__content img {
  border-radius: var(--radius-md);
  margin-block: var(--space-6);
}

.single-post__content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.single-post__content a:hover {
  color: var(--color-primary-dark);
}

.single-post__content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-alt);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.single-post__content pre {
  margin: var(--space-8) 0;
  padding: var(--space-6);
  background: var(--color-secondary);
  color: #e2e8f0;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: 1.7;
}

.single-post__content pre code {
  background: none;
  padding: 0;
  border: none;
  color: inherit;
}

/* Reading progress */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-primary);
  z-index: calc(var(--z-sticky) + 1);
  transition: width 50ms linear;
}

/* Social share */
.social-share {
  max-width: 720px;
  margin-inline: auto;
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.social-share__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.social-share__links {
  display: flex;
  gap: var(--space-3);
}

.social-share__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.social-share__link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(8, 145, 178, 0.04);
}

.social-share__link--twitter:hover  { border-color: #1DA1F2; color: #1DA1F2; }
.social-share__link--facebook:hover { border-color: #1877F2; color: #1877F2; }
.social-share__link--linkedin:hover { border-color: #0A66C2; color: #0A66C2; }

/* Author bio */
.author-bio {
  max-width: 720px;
  margin-inline: auto;
  padding: var(--space-8) var(--space-6);
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.author-bio__avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.author-bio__role {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.author-bio__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* TOC (Table of Contents) */
.toc {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.toc__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
}

.toc__list {
  counter-reset: toc-counter;
}

.toc__list li {
  counter-increment: toc-counter;
  margin-bottom: var(--space-2);
}

.toc__list a {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toc__list a::before {
  content: counter(toc-counter, decimal-leading-zero);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.toc__list a:hover,
.toc__list a.is-active {
  color: var(--color-primary);
  background: rgba(8, 145, 178, 0.06);
}

/* --------------------------------------------------------------------------
   9. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

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

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: transparent;
}

.btn--ghost:hover {
  background: rgba(8, 145, 178, 0.06);
}

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

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

.btn--block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   10. BADGES
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge--primary {
  background: rgba(8, 145, 178, 0.1);
  color: var(--color-primary);
}

.badge--success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.badge--danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.badge--accent {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-accent-dark);
}

.badge--editor {
  background: var(--color-secondary);
  color: #fff;
}

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

/* --------------------------------------------------------------------------
   11. PAGINATION
   -------------------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.pagination__link,
.pagination__current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.pagination__link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination__current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.pagination__dots {
  color: var(--color-text-muted);
  padding: 0 var(--space-2);
}

.pagination__prev,
.pagination__next {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   12. ARCHIVE & LISTING PAGES
   -------------------------------------------------------------------------- */
.archive-header {
  padding: var(--space-12) 0 var(--space-8);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-10);
}

.archive-header__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.archive-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-3);
}

.archive-header__description {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 640px;
}

.archive-header__count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   13. SEARCH RESULTS
   -------------------------------------------------------------------------- */
.search-results__group {
  margin-bottom: var(--space-12);
}

.search-results__group-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.search-result-item {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  transition: box-shadow var(--transition-base);
}

.search-result-item:hover {
  box-shadow: var(--shadow-md);
}

.search-result-item__type {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.search-result-item__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.search-result-item__title a:hover {
  color: var(--color-primary);
}

.search-result-item__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.search-result-item__excerpt mark {
  background: rgba(245, 158, 11, 0.2);
  color: inherit;
  padding: 0.1em 0.2em;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   14. 404 PAGE
   -------------------------------------------------------------------------- */
.error-404 {
  text-align: center;
  padding: var(--space-24) var(--space-6);
}

.error-404__code {
  font-family: var(--font-heading);
  font-size: 8rem;
  font-weight: 900;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.error-404__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-4);
}

.error-404__text {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 480px;
  margin-inline: auto;
}

.error-404__search {
  max-width: 480px;
  margin: 0 auto var(--space-10);
}

.error-404__search form {
  display: flex;
  gap: var(--space-3);
}

.error-404__search input[type="search"] {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--transition-fast);
}

.error-404__search input[type="search"]:focus {
  border-color: var(--color-primary);
}

.error-404__categories {
  margin-top: var(--space-10);
}

.error-404__categories-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-6);
}

.error-404__categories-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   15. AUTHOR PAGE
   -------------------------------------------------------------------------- */
.author-header {
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-10);
}

.author-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.author-header__avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  border: 4px solid var(--color-bg);
  box-shadow: var(--shadow-lg);
}

.author-header__name {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.author-header__role {
  font-size: var(--text-md);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.author-header__bio {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 560px;
}

.author-header__stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-5);
}

.author-header__stat {
  text-align: center;
}

.author-header__stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-secondary);
}

.author-header__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   16. SIDEBAR WIDGETS
   -------------------------------------------------------------------------- */
.widget {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-8);
}

.widget__header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.widget__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
}

.widget__body {
  padding: var(--space-6);
}

/* Newsletter widget */
.widget--newsletter {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.widget--newsletter .widget__header {
  background: var(--color-primary-dark);
  border-color: rgba(255, 255, 255, 0.15);
}

.widget--newsletter .widget__title {
  color: #fff;
}

.widget--newsletter .widget__text {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.widget--newsletter .widget__input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
  outline: none;
}

.widget--newsletter .widget__input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.widget--newsletter .widget__input:focus {
  border-color: #fff;
}

.widget--newsletter .btn {
  width: 100%;
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.widget--newsletter .btn:hover {
  background: var(--color-bg-alt);
}

/* Categories widget */
.widget__category-list li {
  border-bottom: 1px solid var(--color-border);
}

.widget__category-list li:last-child {
  border-bottom: none;
}

.widget__category-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.widget__category-list a:hover {
  color: var(--color-primary);
}

.widget__category-count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   17. BACK TO TOP
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: var(--z-sticky);
  cursor: pointer;
  border: none;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   18. ANIMATIONS
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.a-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.a-slide-up {
  animation: slideUp 0.5s ease forwards;
}

.a-slide-down {
  animation: slideDown 0.4s ease forwards;
}

/* Intersection Observer driven */
.js-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hover lift */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Stagger delays for grids */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s;  }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s;  }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s;  }

/* --------------------------------------------------------------------------
   19. UTILITY CLASSES
   -------------------------------------------------------------------------- */
.u-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;
}

.u-text-center { text-align: center; }
.u-text-muted  { color: var(--color-text-muted); }
.u-mt-0  { margin-top: 0; }
.u-mb-4  { margin-bottom: var(--space-4); }
.u-mb-6  { margin-bottom: var(--space-6); }
.u-mb-8  { margin-bottom: var(--space-8); }
.u-mb-12 { margin-bottom: var(--space-12); }

/* --------------------------------------------------------------------------
   20. RESPONSIVE — Mobile-first media queries
   -------------------------------------------------------------------------- */

/* 480px — Small phones landscape */
@media (max-width: 480px) {
  :root {
    --text-4xl: 2rem;
    --text-3xl: 1.75rem;
    --text-2xl: 1.5rem;
  }

  .l-container {
    padding-inline: var(--space-4);
  }

  .single-post__title {
    font-size: var(--text-2xl);
  }

  .footer-newsletter__form {
    flex-direction: column;
  }

  .social-share__links {
    flex-wrap: wrap;
  }

  .author-bio {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .error-404__code {
    font-size: 5rem;
  }

  .error-404__search form {
    flex-direction: column;
  }
}

/* 768px — Tablets */
@media (max-width: 768px) {
  .g-2-up {
    grid-template-columns: 1fr;
  }

  .g-3-up {
    grid-template-columns: 1fr;
  }

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

  .g-sidebar {
    grid-template-columns: 1fr;
  }

  .c-card--featured {
    grid-template-columns: 1fr;
  }

  .c-card--featured .c-card__media {
    min-height: 200px;
  }

  .c-card--featured .c-card__body {
    padding: var(--space-6);
  }

  .pros-cons {
    grid-template-columns: 1fr;
  }

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

  .primary-nav {
    display: none;
  }

  .header-menu-toggle {
    display: flex;
  }

  .utility-nav {
    display: none;
  }

  .author-header__inner {
    flex-direction: column;
    text-align: center;
  }

  .author-header__bio {
    max-width: 100%;
  }

  .author-header__stats {
    justify-content: center;
  }

  .single-post__hero {
    aspect-ratio: 16 / 9;
  }
}

/* 1024px — Small desktops / tablets landscape */
@media (max-width: 1024px) {
  .g-3-up {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .g-sidebar {
    grid-template-columns: 1fr 280px;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer-grid > :last-child {
    grid-column: 1 / -1;
  }
}

/* 1200px — Large desktops */
@media (max-width: 1200px) {
  .l-container {
    max-width: 100%;
  }
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .social-share,
  .back-to-top,
  .reading-progress,
  .sidebar {
    display: none !important;
  }

  .single-post__content {
    max-width: 100%;
    padding: 0;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}