/*
 * RAGE X — Design System v1.0
 * Loaded SECOND (after style.css, before ragex-polish.css)
 *
 * Implements the complete RAGE X design system:
 *   1. Typography tokens + global application
 *   2. Spacing system (strict 8px grid)
 *   3. Color system cleanup
 *   4. Component consistency
 *   5. Article card — single authoritative hover rule
 *   6. Layout alignment
 *   7. Responsiveness
 *   8. Performance
 */

/* ═══════════════════════════════════════════════════════════
   1. DESIGN TOKENS — Single source of truth
   ═══════════════════════════════════════════════════════════ */
:root {

  /* ── Typography Scale ──────────────────────────── */
  --text-base:  16px;
  --text-sm:    14px;
  --text-xs:    13px;
  --text-xxs:   12px;
  --text-micro: 11px;
  --text-label: 10px;

  --h1: clamp(32px, 5vw,   56px);
  --h2: clamp(26px, 3vw,   38px);
  --h3: clamp(20px, 2.5vw, 30px);
  --h4: 18px;

  /* Tactical UI type (Oswald-based components) */
  --ui-text-nav:     12px;
  --ui-text-badge:   10px;
  --ui-text-widget:  11px;
  --ui-text-ticker:  11px;
  --ui-text-card:    15px;
  --ui-text-meta:    10px;

  /* ── Spacing — Strict 8px grid ─────────────────── */
  --space-xs:  8px;
  --space-sm:  12px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-xxl: 48px;
  --space-3xl: 64px;

  /* Aliases mapping old --sp-N to the 8px grid */
  --sp-1: var(--space-xs);   /* 8px  */
  --sp-2: var(--space-md);   /* 16px */
  --sp-3: var(--space-lg);   /* 24px */
  --sp-4: var(--space-xl);   /* 32px */
  --sp-5: 40px;
  --sp-6: var(--space-xxl);  /* 48px */
  --sp-7: 56px;
  --sp-8: var(--space-3xl);  /* 64px */

  /* Component-level spacing (derived) */
  --card-padding-v: var(--space-md);   /* 16px */
  --card-padding-h: var(--space-md);   /* 16px */
  --card-gap:       var(--space-xs);   /* 8px  */
  --section-gap:    var(--space-xl);   /* 32px */
  --widget-padding: var(--space-md);   /* 16px */

  /* ── Color Aliases ─────────────────────────────── */
  /* Primary palette — use these in components */
  --color-primary:   var(--rage-red,       #9A0000);
  --color-primary-h: var(--rage-red-light, #C41C1C);
  --color-primary-d: var(--rage-red-dim,   #6b0000);
  --color-accent:    var(--tac-yellow,     #CCAA00);
  --color-intel:     var(--intel-blue,     #1B365D);
  --color-bg:        var(--bg-body,        #0e0e0e);
  --color-surface:   var(--card-bg,        #141414);
  --color-text:      var(--text-p,         #E8E8E8);
  --color-muted:     var(--text-s,         #A0A0A0);
  --color-dim:       var(--text-m,         #555);
  --color-border:    var(--border);

  /* ── Border & Radius ───────────────────────────── */
  --border-radius-ui: 2px;   /* Tactical: intentionally minimal */
  --border-w:         1px;
  --border-w-accent:  2px;
  --border-w-strong:  3px;

  /* ── Transitions ───────────────────────────────── */
  --t-fast: 0.1s  ease;
  --t-base: 0.18s ease;
  --t-slow: 0.28s ease;
}

/* ═══════════════════════════════════════════════════════════
   2. GLOBAL TYPOGRAPHY APPLICATION
   ═══════════════════════════════════════════════════════════ */
body {
  font-size: var(--text-base);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  color: var(--color-text);
  background: var(--color-bg);
}

/* Heading scale */
h1 { font-size: var(--h1); font-family: var(--font-display); font-weight: 900; line-height: 1.05; letter-spacing: .01em; text-transform: uppercase; }
h2 { font-size: var(--h2); font-family: var(--font-display); font-weight: 800; line-height: 1.1;  letter-spacing: .01em; text-transform: uppercase; }
h3 { font-size: var(--h3); font-family: var(--font-display); font-weight: 700; line-height: 1.15; letter-spacing: .015em; text-transform: uppercase; }
h4 { font-size: var(--h4); font-family: var(--font-display); font-weight: 700; line-height: 1.2;  letter-spacing: .02em;  text-transform: uppercase; }
h5, h6 { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; }

/* Utility classes */
.small-text { font-size: var(--text-sm); }
.meta-text  { font-size: var(--text-xs); }

/* Article body — reading optimized */
.article-body {
  font-size: var(--text-base);
  line-height: 1.82;
  letter-spacing: .01em;
  color: var(--color-muted);
}

.article-body p { margin-bottom: var(--space-md); }

.article-body h2 {
  font-size: var(--h2);
  margin-top: 2em;
  margin-bottom: .6em;
  color: var(--color-text);
}

.article-body h3 {
  font-size: var(--h3);
  margin-top: 1.6em;
  margin-bottom: .5em;
  color: var(--color-text);
}

/* Card headline */
.article-card__title {
  font-family: var(--font-display);
  font-size: var(--ui-text-card);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .015em;
  text-transform: uppercase;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Hero main — commanding presence */
.hero-main__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 38px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: .01em;
  text-transform: uppercase;
}

/* Hero side — subordinate */
.hero-side__title {
  font-family: var(--font-display);
  font-size: var(--ui-text-card);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .01em;
  text-transform: uppercase;
}

/* Navigation items */
.nav-primary__menu > li > a {
  font-family: var(--font-display);
  font-size: var(--ui-text-nav);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* Section header labels */
.section-header__title,
.homepage-cat-section__title {
  font-family: var(--font-display);
  font-size: var(--ui-text-widget);
  font-weight: 900;
  letter-spacing: .24em;
  text-transform: uppercase;
}

/* Widget titles */
.widget .widget-title {
  font-family: var(--font-display);
  font-size: var(--ui-text-badge);
  font-weight: 900;
  letter-spacing: .24em;
  text-transform: uppercase;
}

/* Mono meta text (dates, read time, tags) */
.article-card__time,
.article-card__author,
.article-card__readtime,
.post-meta__date,
.post-meta__readtime,
.article-card__footer,
.cat-badge,
.breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--ui-text-meta);
  letter-spacing: .06em;
  color: var(--color-dim);
  text-transform: uppercase;
}

/* Category badges */
.cat-badge {
  font-size: var(--ui-text-badge);
  font-weight: 800;
  letter-spacing: .14em;
  padding: 3px var(--space-xs);
  line-height: 1.5;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Archive title */
.archive-header__title {
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.0;
  letter-spacing: .02em;
}

/* Logo */
.site-logo__name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: .03em;
  text-transform: uppercase;
  line-height: 1;
}

.site-logo__tagline {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .24em;
  text-transform: uppercase;
  opacity: .7;
  display: block;
  margin-top: 3px;
}

/* ═══════════════════════════════════════════════════════════
   3. SPACING SYSTEM — 8px grid applied to all components
   ═══════════════════════════════════════════════════════════ */

/* Containers */
.container        { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.container--lg    { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.container--read  { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.container--md    { padding-left: var(--space-lg); padding-right: var(--space-lg); }

/* Main layouts */
.layout-with-sidebar {
  padding: var(--space-xl) var(--space-lg) var(--space-xxl);
  gap: var(--space-xl);
  align-items: start;
}

.layout-full {
  padding: var(--space-xl) var(--space-lg) var(--space-xxl);
}

/* Section rhythm */
.homepage-cat-section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

/* Section header */
.section-header {
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
  border-bottom: var(--border-w-accent) solid var(--color-primary);
}

.homepage-cat-section__header {
  margin-bottom: var(--space-sm);
}

/* Card spacing */
.article-card__body {
  padding: var(--card-padding-v) var(--card-padding-h);
  gap: var(--card-gap);
  display: flex;
  flex-direction: column;
}

.article-card__footer {
  padding: var(--space-xs) var(--card-padding-h);
  border-top: var(--border-w) solid var(--color-border);
  margin-top: auto;
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
  flex-wrap: wrap;
}

/* Widget spacing */
.widget {
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.widget .widget-body {
  padding: var(--widget-padding);
}

.widget .widget-title {
  padding: var(--space-sm) var(--widget-padding);
}

/* Alert panel */
.alert-panel__item {
  padding: var(--space-sm) var(--widget-padding);
  gap: var(--space-sm);
}

/* Archive header */
.archive-header {
  padding: var(--space-xl) 0 var(--space-lg);
  margin-bottom: var(--space-xl);
}

/* Author box */
.author-box {
  padding: var(--space-lg);
}

/* Card grids */
.article-grid     { gap: var(--space-xs); }
.hero-grid        { gap: 3px; }
.hero-side        { gap: 3px; }

/* Breadcrumb */
.breadcrumb {
  font-size: var(--ui-text-meta);
  letter-spacing: .08em;
  gap: var(--space-xs);
}

/* Sidebar sticky offset */
.sidebar__sticky {
  position: sticky;
  top: var(--sidebar-top);
}

/* ═══════════════════════════════════════════════════════════
   4. ARTICLE CARDS — Single authoritative hover rule
   Replaces all 23+ conflicting rules in style.css.
   ═══════════════════════════════════════════════════════════ */
.article-card {
  background: var(--color-surface);
  border: var(--border-w) solid var(--card-border, rgba(255,255,255,.07));
  border-radius: var(--border-radius-ui);
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-base);
  /* GPU layer — smooth hover */
  transform: translateZ(0);
  backface-visibility: hidden;
  contain: layout style;
}

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

.article-card:focus-within {
  box-shadow: 0 0 0 2px var(--color-primary);
}

/* Thumbnail — no transform on hover (clean military feel) */
.article-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  will-change: transform;
  transform: translateZ(0);
}

/* ═══════════════════════════════════════════════════════════
   5. HEADER & NAVIGATION
   ═══════════════════════════════════════════════════════════ */

/* Header */
.site-header {
  background: var(--header-bg, #000);
  border-bottom: var(--border-w) solid var(--color-border);
  position: sticky;
  top: var(--ticker-h, 42px);
  z-index: 1050;
  height: var(--header-h, 68px);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,.4);
}

.header-inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  height: var(--header-h, 68px);
}

/* Navigation bar */
.nav-primary {
  background: var(--nav-bg, #111);
  border-bottom: var(--border-w) solid var(--color-border);
  position: sticky;
  top: calc(var(--ticker-h) + var(--header-h));
  z-index: 220;
  min-height: var(--nav-h, 48px);
}

.nav-primary__wrap {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-primary__menu > li > a {
  min-height: var(--nav-h, 48px);
  padding: 0 var(--space-md);
  border-bottom: var(--border-w-accent) solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.nav-primary__menu > li > a:hover,
.nav-primary__menu > li.current-menu-item > a,
.nav-primary__menu > li.current-menu-ancestor > a,
.nav-primary__menu > li.current_page_item > a {
  color: var(--nav-hover, #fff);
  border-bottom-color: var(--color-primary);
}

/* Dropdown sub-menu */
.nav-primary__menu .sub-menu {
  border-top: var(--border-w-accent) solid var(--color-primary);
  box-shadow: 0 8px 24px rgba(0,0,0,.6);
}

.nav-primary__menu .sub-menu li a {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-xxs);
  border-left: var(--border-w-accent) solid transparent;
  transition: all var(--t-base);
}

.nav-primary__menu .sub-menu li a:hover {
  border-left-color: var(--color-primary);
  background: var(--bg-s3, #202020);
}

/* ═══════════════════════════════════════════════════════════
   6. UI COMPONENTS
   ═══════════════════════════════════════════════════════════ */

/* Buttons — 8px grid padding */
.nl-submit,
.comment-form .submit,
.mobile-search-bar__btn {
  font-family: var(--font-display);
  font-size: var(--ui-text-nav);
  font-weight: 700;
  letter-spacing: .16em;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius-ui);
  transition: background var(--t-base), box-shadow var(--t-base);
}

.nl-submit:hover,
.comment-form .submit:hover {
  background: var(--color-primary-h);
  box-shadow: 0 4px var(--space-sm) rgba(154,0,0,.3);
}

/* Share buttons */
.share-btn {
  border-radius: var(--border-radius-ui);
  font-size: var(--text-micro);
  padding: var(--space-xs) var(--space-sm);
  gap: 5px;
}

/* Reading progress */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: var(--color-primary);
  z-index: 1095;
  width: 0;
  transition: width 80ms linear;
  pointer-events: none;
}

/* LIVE badge */
.header-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--ui-text-meta);
  letter-spacing: .15em;
  color: var(--color-primary);
  font-weight: 700;
  border: none;
  padding: 0;
  background: transparent;
}

.header-live__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

/* Scroll to top */
.scroll-top {
  border-radius: var(--border-radius-ui);
  width: 36px;
  height: 36px;
}

/* Focus ring — consistent red outline */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Input focus */
.nl-input:focus,
.header-search__input:focus,
.comment-form input:focus,
.comment-form textarea:focus,
.mobile-search-bar__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(154,0,0,.2);
  outline: none;
}

/* ═══════════════════════════════════════════════════════════
   7. DEPTH & LAYERING — Dark mode surfaces
   ═══════════════════════════════════════════════════════════ */
.site-header {
  background: linear-gradient(180deg, #000 0%, #060606 100%);
  border-bottom-color: rgba(154,0,0,.35);
  box-shadow: 0 1px 0 rgba(255,255,255,.04);
}

.site-header.is-scrolled {
  box-shadow: 0 2px 24px rgba(0,0,0,.65), 0 1px 0 rgba(255,255,255,.04);
}

.nav-primary {
  background: #0d0d0d;
}

.article-card {
  box-shadow: 0 1px 3px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.03);
}

.widget {
  background: var(--color-surface);
  box-shadow: 0 1px 4px rgba(0,0,0,.35);
}

.widget .widget-title {
  background: linear-gradient(90deg, var(--widget-title-bg, #1a1a1a) 0%, var(--bg-s3, #202020) 100%);
  border-bottom: var(--border-w-accent) solid var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════
   8. LIGHT MODE — Consistent editorial light theme
   ═══════════════════════════════════════════════════════════ */
[data-theme="light"] .site-header,
[data-theme="auto"] .site-header {
  background: #fff;
  border-bottom-color: rgba(154,0,0,.2);
  box-shadow: 0 1px 12px rgba(0,0,0,.06);
}

[data-theme="light"] .nav-primary,
[data-theme="auto"] .nav-primary {
  background: #f5f5f5;
  border-bottom-color: rgba(0,0,0,.08);
}

[data-theme="light"] .article-card,
[data-theme="auto"] .article-card {
  background: #fff;
  border-color: rgba(0,0,0,.08);
  box-shadow: 0 1px 4px rgba(0,0,0,.07);
}

[data-theme="light"] .article-card:hover,
[data-theme="auto"] .article-card:hover {
  border-color: var(--color-primary);
}

[data-theme="light"] .widget,
[data-theme="auto"] .widget {
  background: #fff;
  border-color: rgba(0,0,0,.08);
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
}

[data-theme="light"] .widget .widget-title,
[data-theme="auto"] .widget .widget-title {
  background: linear-gradient(90deg, #f6f6f6 0%, #f0f0f0 100%);
  color: #1a1a1a;
  border-bottom-color: var(--color-primary);
}

[data-theme="light"] .header-live,
[data-theme="auto"] .header-live {
  color: var(--color-primary);
}

[data-theme="light"] .site-footer,
[data-theme="auto"] .site-footer {
  background: #0a0a0a; /* Dark footer in light mode — intentional */
}

[data-theme="light"] .reading-progress,
[data-theme="auto"] .reading-progress {
  background: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════
   9. RESPONSIVENESS — Mobile-first fixes
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .layout-with-sidebar { grid-template-columns: 1fr 300px; gap: var(--space-xl); }
}

@media (max-width: 900px) {
  .layout-with-sidebar { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  html, body { overflow-x: clip; width: 100%; }

  /* Header shrinks */
  .site-header { height: var(--header-h-mobile, 56px); top: var(--ticker-h-mobile, 36px); }
  .header-inner {
    height: var(--header-h-mobile, 56px);
    padding: 0 var(--space-md);
    gap: var(--space-sm);
  }

  /* Hide desktop-only elements */
  .header-search--desktop,
  .header-live { display: none; }

  /* Show hamburger */
  .header-toggle { display: flex; }

  /* Logo shrink */
  .site-logo__name { font-size: 18px; }

  /* Containers — tighter gutters */
  .container,
  .container--lg,
  .container--md,
  .container--read { padding-left: var(--space-md); padding-right: var(--space-md); }

  /* Layouts */
  .layout-with-sidebar,
  .layout-full { padding: var(--space-lg) var(--space-md) var(--space-xxl); }

  /* Cards — mobile optimized */
  .article-card__body  { padding: var(--space-sm) var(--space-md); gap: var(--space-xs); }
  .article-card__footer { padding: var(--space-xs) var(--space-md); }
  .article-card__title  { font-size: var(--text-sm); line-height: 1.3; }
  .article-card__thumb  { aspect-ratio: 16/9; width: 100%; height: auto; overflow: hidden; }

  /* Grids — single column */
  .article-grid--4,
  .article-grid--3,
  .article-grid--2 { display: flex; flex-direction: column; gap: var(--space-md); }

  /* Hero */
  .hero-main__title     { font-size: clamp(18px, 5.5vw, 24px); line-height: 1.1; }
  .hero-main__body      { padding: var(--space-md) var(--space-md) var(--space-md) var(--space-lg); }

  /* Article body */
  .article-body         { font-size: 15px; line-height: 1.78; }
  .article-body h2      { font-size: 20px; }
  .article-body h3      { font-size: 17px; }

  /* Archive */
  .archive-header__title { font-size: clamp(24px, 7vw, 32px); }

  /* Footer */
  .footer-grid   { grid-template-columns: 1fr; gap: var(--space-lg); padding: 0 var(--space-md); }
  .site-footer   { padding: var(--space-xl) 0 0; }
  .footer-bottom__inner {
    padding: var(--space-sm) var(--space-md);
    flex-direction: column;
    text-align: center;
    gap: var(--space-xs);
  }

  /* Mobile nav — full-screen overlay */
  .nav-primary { min-height: 0; height: 0; border-bottom: 0; background: transparent; box-shadow: none; overflow: visible; }
  .nav-primary__menu {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg-body, #0e0e0e);
    transform: translateX(-100%);
    transition: transform var(--t-slow);
    z-index: 99999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .nav-primary__menu.is-open {
    transform: translateX(0);
  }

  .nav-primary__menu > li > a {
    min-height: 56px;
    padding: 0 var(--space-lg);
    font-size: 15px;
    letter-spacing: .08em;
    border-bottom: var(--border-w) solid var(--color-border);
    border-left: var(--border-w-accent) solid transparent;
    color: var(--color-text);
    justify-content: flex-start;
  }

  .nav-primary__menu > li > a:hover,
  .nav-primary__menu > li.current-menu-item > a {
    border-left-color: var(--color-primary);
    color: #fff;
    border-bottom-color: var(--color-border);
  }

  /* Section headers mobile */
  .section-header__title { font-size: 10px; letter-spacing: .2em; }

  /* Share bar — horizontal scroll */
  .article-share {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    white-space: nowrap;
    padding-bottom: var(--space-xs);
  }
  .article-share::-webkit-scrollbar { display: none; }

  /* Ticker mobile */
  .rx-ticker { height: var(--ticker-h-mobile); }
  .rx-ticker__badge-text { font-size: 9px; letter-spacing: .15em; }

  /* Sidebar hidden on mobile */
  .homepage-sidebar { display: none; }
  .homepage-body__inner { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container,
  .container--lg,
  .container--read { padding-left: var(--space-md); padding-right: var(--space-md); }

  .layout-with-sidebar,
  .layout-full { padding: var(--space-md) var(--space-md) var(--space-xl); }

  .article-card__body   { padding: var(--space-sm) var(--space-sm); gap: 6px; }
  .article-card__footer { padding: 6px var(--space-sm); }
  .article-card__title  { font-size: var(--text-xs); }
}

/* ═══════════════════════════════════════════════════════════
   10. PERFORMANCE
   GPU hints, paint containment, animation controls
   ═══════════════════════════════════════════════════════════ */
.article-card          { contain: layout style; }
.widget                { contain: layout; }
.rx-ticker__track,
.breaking-ticker__track { transform: translateZ(0); will-change: transform; }

/* Thumbnail GPU compositing */
.article-card__thumb img,
.hero-main__img,
.hero-side__img {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Logo — maximum clarity */
.site-logo img {
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* Lazy load skeleton */
.article-card__thumb img[loading="lazy"]:not(.is-loaded) {
  background: linear-gradient(90deg, var(--bg-s2) 25%, var(--bg-s3) 50%, var(--bg-s2) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

/* Content visibility — below-fold sections */
@media (min-width: 768px) {
  .homepage-cat-section:nth-child(n+4) {
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
  }
  .site-footer {
    content-visibility: auto;
    contain-intrinsic-size: auto 400px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .rx-ticker__track { animation: none !important; }
}