/* ============================================
   GTA 6 情报站 — 主样式表
   Design: Neon Vice / Synthwave Aesthetic
   Fonts: Inter + Noto Sans SC (via Google Fonts)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

/* --- CSS Variables --- */
:root {
  --bg-deep: #0A0A1A;
  --bg-primary: #0E0E24;
  --bg-card: rgba(18, 18, 42, 0.65);
  --bg-card-hover: rgba(30, 20, 50, 0.82);
  --neon-pink: #FF0055;
  --neon-pink-dim: #cc0044;
  --neon-purple: #FF00AA;
  --neon-purple-dim: #cc0088;
  --neon-cyan: #00ddff;
  --neon-cyan-dim: #0099bb;
  --text-primary: #eaeaf0;
  --text-secondary: #a8a8c0;
  --text-muted: #6e6e88;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(255, 0, 85, 0.35);
  --gradient-hero: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-purple) 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(255,0,85,0.45), rgba(255,0,170,0.45));
  --gradient-miami: linear-gradient(180deg, var(--neon-pink) 0%, var(--neon-purple) 50%, var(--neon-cyan) 100%);
  --shadow-glow-pink: 0 0 30px rgba(255, 0, 85, 0.3);
  --shadow-glow-purple: 0 0 30px rgba(255, 0, 170, 0.25);
  --font-display: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Ambient glow orbs (slowly drifting) ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    /* Top-left: hot pink glow */
    radial-gradient(ellipse 70% 50% at 15% 5%,  rgba(255, 0, 85, 0.09) 0%, transparent 65%),
    /* Top-right: purple glow */
    radial-gradient(ellipse 55% 45% at 85% 15%, rgba(255, 0, 170, 0.07) 0%, transparent 60%),
    /* Bottom-left: deep purple */
    radial-gradient(ellipse 60% 35% at 10% 92%, rgba(180, 0, 220, 0.06) 0%, transparent 55%),
    /* Bottom-right: cyan accent */
    radial-gradient(ellipse 50% 35% at 88% 88%, rgba(0, 220, 255, 0.04) 0%, transparent 55%),
    /* Center-top ambient */
    radial-gradient(ellipse 80% 50% at 50% 40%, rgba(255, 0, 85, 0.03) 0%, transparent 70%),
    var(--bg-deep);
  animation: ambient-drift 20s ease-in-out infinite;
}

@keyframes ambient-drift {
  0%, 100% {
    background-position: 0% 0%, 100% 0%, 0% 100%, 100% 100%, 50% 50%;
    background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%;
  }
  25% {
    background-position: 2% -1%, 98% 2%, -1% 98%, 102% 102%, 48% 48%;
  }
  50% {
    background-position: 0% 2%, 100% -1%, 2% 100%, 98% 98%, 52% 52%;
  }
  75% {
    background-position: -2% 1%, 102% 0%, 1% 102%, 100% 102%, 50% 48%;
  }
}

/* ── Subtle grain / noise texture (SVG filter — no perf hit) ── */
body::after {
  content: '';
  position: fixed;
  inset: -50%;
  z-index: -2;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* ── Floating light particles (CSS-only, 3 subtle dots) ── */
.particles-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.particles-layer::before,
.particles-layer::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.12;
}

.particles-layer::before {
  width: 180px;
  height: 180px;
  background: var(--neon-pink);
  top: 30%;
  left: 10%;
  animation: float-particle-1 14s ease-in-out infinite;
}

.particles-layer::after {
  width: 140px;
  height: 140px;
  background: var(--neon-purple);
  bottom: 25%;
  right: 12%;
  animation: float-particle-2 18s ease-in-out infinite;
}

@keyframes float-particle-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25%  { transform: translate(60px, -40px) scale(1.3); }
  50%  { transform: translate(-20px, -80px) scale(0.8); }
  75%  { transform: translate(-50px, -20px) scale(1.2); }
}

@keyframes float-particle-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(-40px, -50px) scale(1.4); }
  66%  { transform: translate(-80px, -10px) scale(0.7); }
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--neon-pink);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 26, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  border-bottom-color: var(--border-glow);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  text-decoration: none;
}

/* SVG logo icon — neon hexagon mark */
.logo-icon-svg {
  display: block;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(255, 0, 85, 0.5));
}

.logo-text .accent {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text .sub {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--neon-purple);
  margin-top: -2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--neon-pink);
  border-radius: 1px;
  box-shadow: 0 0 8px rgba(255, 0, 85, 0.6);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255,45,120,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 221, 255, 0.3);
  background: rgba(0, 221, 255, 0.05);
  margin-bottom: 24px;
  animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
  0%, 100% { border-color: rgba(0, 221, 255, 0.3); }
  50% { border-color: rgba(0, 221, 255, 0.7); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-title .gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 16px;
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   FILTER BAR
   ============================================ */

.filter-bar {
  padding: 0 0 40px;
  position: sticky;
  top: 77px;
  z-index: 50;
  background: linear-gradient(180deg, rgba(10,10,15,0.95) 0%, rgba(10,10,15,0) 100%);
  padding-top: 20px;
  margin-top: -20px;
}

.filter-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.filter-btn:hover {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.filter-btn.active {
  background: rgba(255, 0, 85, 0.12);
  border-color: var(--neon-pink);
  color: var(--neon-pink);
  box-shadow: 0 0 20px rgba(255, 0, 85, 0.15);
}

/* ============================================
   SEARCH BAR
   ============================================ */

.search-bar {
  padding: 0 0 16px;
}

.search-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 30px;
  padding: 10px 18px;
  transition: all var(--transition-fast);
}

.search-inner:focus-within {
  border-color: var(--neon-purple);
  box-shadow: 0 0 20px rgba(255, 0, 170, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.search-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  opacity: 0.6;
}

.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  min-width: 0;
}

.search-input::placeholder {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.search-clear {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 4px 8px;
  border-radius: 50%;
  transition: all var(--transition-fast);
  opacity: 0;
  pointer-events: none;
  flex-shrink: 0;
}

.search-clear.visible {
  opacity: 1;
  pointer-events: auto;
}

.search-clear:hover {
  color: var(--neon-pink);
  background: rgba(255, 0, 85, 0.1);
}

.search-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.search-hint strong {
  color: var(--neon-cyan);
}

.search-highlight {
  background: rgba(255, 0, 170, 0.25);
  border-radius: 2px;
  padding: 0 1px;
}

/* ============================================
   ARTICLE GRID
   ============================================ */

.articles-section {
  padding: 0 0 80px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 28px;
  background: var(--gradient-miami);
  border-radius: 2px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
}

/* Featured article — spans 2 columns */
.article-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

/* --- Article Card --- */
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
}

.article-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  background: var(--gradient-card-border);
  z-index: -1;
  margin: -1px;
}

.article-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4),
              0 0 30px rgba(255, 0, 85, 0.08);
}

.article-card:hover::before {
  opacity: 1;
}

.card-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(255,0,85,0.15), rgba(0,221,255,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Cover image support */
.card-thumb.has-cover {
  background: none;
}

.card-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.article-card:hover .card-thumb-img {
  transform: scale(1.05);
}

.featured .card-thumb {
  aspect-ratio: auto;
  min-height: 100%;
}

.card-thumb-icon {
  font-size: 3rem;
  opacity: 0.3;
  transition: all var(--transition-smooth);
}

.article-card:hover .card-thumb-icon {
  transform: scale(1.1);
  opacity: 0.5;
}

.card-thumb::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, var(--bg-card), transparent);
}

.card-thumb.has-cover::after {
  background: linear-gradient(to top, rgba(10,10,26,0.85), transparent 75%);
}

.card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 221, 255, 0.2);
  z-index: 2;
}

.card-body {
  padding: 24px;
}

.featured .card-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.article-card:hover .card-title {
  color: var(--neon-pink);
}

.featured .card-title {
  font-size: 1.6rem;
}

.card-excerpt {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--neon-cyan);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.article-card:hover .read-more {
  color: var(--neon-pink);
  gap: 10px;
}

/* --- Empty State --- */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state p {
  font-size: 1rem;
}

/* ============================================
   ARTICLE DETAIL PAGE
   ============================================ */

.article-detail {
  padding: 40px 0 80px;
}

.article-detail .back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 32px;
  transition: color var(--transition-fast);
}

.article-detail .back-link:hover {
  color: var(--neon-pink);
}

.article-detail-header {
  margin-bottom: 40px;
}

.article-detail-category {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: rgba(255, 0, 85, 0.12);
  color: var(--neon-pink);
  border: 1px solid rgba(255, 0, 85, 0.2);
  margin-bottom: 16px;
}

.article-detail-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
}

.article-detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.article-detail-content {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-detail-content h2 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-detail-content h2:first-of-type {
  margin-top: 0;
}

.article-detail-content p {
  margin-bottom: 20px;
}

.article-detail-content ul {
  margin: 0 0 20px 20px;
  list-style: none;
}

.article-detail-content ul li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.article-detail-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--neon-pink);
}

.article-detail-content strong {
  color: var(--text-primary);
}

/* ── Images ── */
.article-detail-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 24px 0;
  display: block;
  border: 1px solid var(--border-subtle);
}

/* ── Tables ── */
.article-detail-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
  overflow-x: auto;
  display: block;
}

.article-detail-content thead {
  border-bottom: 2px solid rgba(255, 0, 85, 0.3);
}

.article-detail-content th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--neon-pink);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.article-detail-content td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.article-detail-content tbody tr:hover td {
  background: rgba(255, 0, 85, 0.04);
  color: var(--text-primary);
}

/* ── Code blocks (highlight.js + bare pre) ── */
.article-detail-content pre {
  margin: 24px 0;
  border-radius: var(--radius-md);
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
}

.article-detail-content pre code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  display: block;
  padding: 20px 24px;
  background: rgba(0, 0, 0, 0.4) !important;
}

/* Inline code */
.article-detail-content :not(pre) > code {
  background: rgba(255, 0, 170, 0.1);
  color: var(--neon-purple);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  border: 1px solid rgba(255, 0, 170, 0.15);
}

/* ── Blockquotes ── */
.article-detail-content blockquote {
  border-left: 3px solid var(--neon-purple);
  margin: 24px 0;
  padding: 14px 20px;
  background: rgba(255, 0, 170, 0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-detail-content blockquote p {
  margin-bottom: 0;
}

/* ── Lists ── */
.article-detail-content ol {
  margin: 0 0 20px 20px;
}

.article-detail-content ol li {
  margin-bottom: 8px;
  padding-left: 4px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.article-tag {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.article-tag:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* ============================================
   NEWSLETTER CTA
   ============================================ */

.newsletter-cta {
  padding: 60px 0 80px;
}

.cta-card {
  background: linear-gradient(135deg, rgba(255,45,120,0.08), rgba(255, 0, 170,0.08));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-hero);
}

.cta-card h2 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.cta-card p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
}

.cta-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 28px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color var(--transition-fast);
  outline: none;
}

.cta-form input:focus {
  border-color: var(--neon-pink);
  box-shadow: 0 0 20px rgba(255, 0, 85, 0.1);
}

.btn-primary {
  padding: 14px 28px;
  border-radius: 28px;
  border: none;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-body);
  background: var(--gradient-hero);
  color: #fff;
  transition: all var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(255, 0, 85, 0.3);
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 0, 85, 0.4);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 32px;
  background: rgba(10, 10, 26, 0.6);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 300px;
}

.footer-links h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--neon-pink);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.footer-bottom .heart {
  color: var(--neon-pink);
}

/* ============================================
   SCROLL TO TOP
   ============================================ */

.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 0, 85, 0.15);
  border: 1px solid rgba(255, 0, 85, 0.25);
  color: var(--neon-pink);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition-smooth);
  z-index: 80;
  backdrop-filter: blur(10px);
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top:hover {
  background: rgba(255, 0, 85, 0.25);
  box-shadow: 0 0 20px rgba(255, 0, 85, 0.3);
  transform: translateY(-3px);
}

/* ============================================
   LOADING & ANIMATIONS
   ============================================ */

.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.03) 25%,
    rgba(255,255,255,0.06) 50%,
    rgba(255,255,255,0.03) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.fade-in {
  animation: fadeInUp 0.5s ease forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Staggered delay for article cards */
.article-card:nth-child(1) { animation-delay: 0s; }
.article-card:nth-child(2) { animation-delay: 0.08s; }
.article-card:nth-child(3) { animation-delay: 0.16s; }
.article-card:nth-child(4) { animation-delay: 0.24s; }
.article-card:nth-child(5) { animation-delay: 0.32s; }
.article-card:nth-child(6) { animation-delay: 0.40s; }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 900px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }

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

  .featured .card-thumb {
    aspect-ratio: 16/9;
    min-height: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-form {
    flex-direction: column;
  }

  .hero-stats {
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .main-nav {
    display: none;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-bottom: 1px solid var(--border-subtle);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .filter-bar {
    top: 60px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
  }

  .filter-inner {
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding: 0 4px;
  }

  .filter-btn {
    flex-shrink: 0;
  }

  .cta-card {
    padding: 32px 20px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .scroll-top {
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}

/* --- Print styles for article --- */
@media print {
  .site-header,
  .site-footer,
  .newsletter-cta,
  .scroll-top,
  .filter-bar {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .article-detail-content {
    color: #333;
  }
}