/* ============================================
   ATOMNY - Modern Tech Media Platform
   Design System & Global Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --color-primary: #6C5CE7;
  --color-primary-light: #A29BFE;
  --color-primary-dark: #4A3DB8;
  --color-accent: #00E5A0;
  --color-accent-dark: #00C48C;

  /* Neutrals */
  --color-bg: #0A0A0F;
  --color-bg-elevated: #12121A;
  --color-bg-card: #1A1A25;
  --color-bg-card-hover: #22222F;
  --color-surface: #2A2A38;
  --color-border: #2E2E3E;
  --color-border-light: #3A3A4A;

  /* Text */
  --color-text: #E8E8ED;
  --color-text-secondary: #9999AA;
  --color-text-muted: #666677;
  --color-text-inverse: #0A0A0F;

  /* Status */
  --color-success: #00E5A0;
  --color-warning: #FFD93D;
  --color-error: #FF6B6B;

  /* Typography */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);

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

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

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

ul, ol {
  list-style: none;
}

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

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

::selection {
  background: var(--color-primary);
  color: white;
}

/* --- Utility Classes --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
  margin-bottom: var(--space-md);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(108, 92, 231, 0.45);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border-light);
}

.btn-secondary:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-text-inverse);
  font-weight: 700;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 229, 160, 0.35);
  color: var(--color-text-inverse);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}

.header.scrolled::before {
  border-bottom-color: var(--color-border);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  z-index: 10;
}

.logo:hover {
  color: var(--color-text);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: white;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 10;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 5;
  padding: calc(var(--header-height) + var(--space-2xl)) var(--space-xl) var(--space-xl);
  flex-direction: column;
  gap: var(--space-lg);
}

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

.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

/* --- Hero Section --- */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(108, 92, 231, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 50%, rgba(0, 229, 160, 0.05) 0%, transparent 50%);
  animation: hero-pulse 8s ease-in-out infinite alternate;
}

@keyframes hero-pulse {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.05) rotate(2deg); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108, 92, 231, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 92, 231, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.4rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  margin-bottom: var(--space-lg);
}

.hero p {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.hero-stat .number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text);
  font-family: var(--font-mono);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* --- Article Cards --- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.article-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.article-card-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-bg-elevated), var(--color-surface));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.article-card-image .placeholder-icon {
  font-size: 2.5rem;
  opacity: 0.3;
}

.article-card-image .category-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: 0.3rem 0.75rem;
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-card-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

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

.article-card-meta .dot-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-text-muted);
}

.article-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
  line-height: 1.4;
}

.article-card:hover h3 {
  color: var(--color-primary-light);
}

.article-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex: 1;
}

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

.article-card-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
}

.article-card-author span {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.read-time {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* --- Featured Article --- */
.featured-article {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.featured-article:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.featured-article-image {
  min-height: 360px;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-bg-elevated));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.featured-article-image .featured-badge {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  padding: 0.4rem 1rem;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.featured-article-content {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-article-content .category-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.featured-article-content h2 {
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.featured-article-content p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.featured-article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Newsletter Section --- */
.newsletter-section {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.newsletter-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-inner h2 {
  margin-bottom: var(--space-md);
}

.newsletter-inner p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.newsletter-form {
  display: flex;
  gap: var(--space-md);
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input[type="email"] {
  flex: 1;
  padding: 0.85rem 1.25rem;
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.newsletter-form input[type="email"]::placeholder {
  color: var(--color-text-muted);
}

.newsletter-form input[type="email"]:focus {
  border-color: var(--color-primary);
}

.newsletter-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

/* --- Categories / Tags --- */
.categories-bar {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.category-tag {
  padding: 0.45rem 1rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.category-tag:hover,
.category-tag.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* --- Platforms Section --- */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.platform-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.platform-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.platform-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.platform-icon.telegram { background: rgba(38, 166, 227, 0.15); color: #26A6E3; }
.platform-icon.youtube { background: rgba(255, 0, 0, 0.12); color: #FF0000; }
.platform-icon.reddit { background: rgba(255, 69, 0, 0.12); color: #FF4500; }
.platform-icon.email { background: rgba(108, 92, 231, 0.15); color: var(--color-primary-light); }

.platform-card h4 {
  margin-bottom: var(--space-sm);
}

.platform-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

/* --- Donate / Support Section --- */
.donate-hero {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  padding-top: calc(var(--header-height) + var(--space-3xl));
}

.donate-hero h1 {
  margin-bottom: var(--space-md);
}

.donate-hero > p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

.donate-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.donate-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

.donate-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
}

.donate-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.donate-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.3rem 1rem;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.donate-amount {
  font-size: 2.5rem;
  font-weight: 800;
  margin: var(--space-lg) 0;
  font-family: var(--font-mono);
}

.donate-amount .currency {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  vertical-align: top;
}

.donate-amount .period {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.donate-card h3 {
  color: var(--color-primary-light);
}

.donate-features {
  text-align: left;
  margin: var(--space-xl) 0;
}

.donate-features li {
  padding: var(--space-sm) 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.donate-features li::before {
  content: '\2713';
  color: var(--color-accent);
  font-weight: 700;
}

/* --- About Page --- */
.about-hero {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.about-hero h1 {
  margin-bottom: var(--space-lg);
}

.about-hero p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-text h2 {
  margin-bottom: var(--space-lg);
}

.about-text p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about-values {
  display: grid;
  gap: var(--space-lg);
}

.value-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.value-card h4 {
  margin-bottom: var(--space-sm);
  color: var(--color-primary-light);
}

.value-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* --- Article Page --- */
.article-header {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.article-header .category-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.article-header h1 {
  margin-bottom: var(--space-lg);
  line-height: 1.3;
}

.article-header .article-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.article-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.article-info .author-inline {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.article-cover {
  max-width: 900px;
  margin: var(--space-2xl) auto;
  height: 400px;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-bg-elevated));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: var(--space-4xl);
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.article-body h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.article-body h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  padding: var(--space-md) var(--space-xl);
  margin: var(--space-xl) 0;
  background: var(--color-bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-card);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.article-body pre {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin: var(--space-xl) 0;
}

.article-body pre code {
  background: none;
  padding: 0;
}

.article-body ul, .article-body ol {
  margin: var(--space-lg) 0;
  padding-left: var(--space-xl);
}

.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }

.article-body li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.article-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.article-tags a {
  padding: 0.35rem 0.85rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.article-tags a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  font-size: 1.1rem;
}

.footer-social a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.footer-col a {
  display: block;
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.footer-col a:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-bottom a {
  color: var(--color-text-muted);
}

.footer-bottom a:hover {
  color: var(--color-text);
}

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(120%);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 2000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* --- Scroll to Top --- */
.scroll-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 900;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(108, 92, 231, 0.4);
}

/* --- Loading Skeleton --- */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-card) 25%, var(--color-surface) 50%, var(--color-bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .featured-article {
    grid-template-columns: 1fr;
  }

  .featured-article-image {
    min-height: 240px;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav-links,
  .nav-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
  }

  .hero-stats {
    gap: var(--space-xl);
  }

  .hero-stat .number {
    font-size: 1.3rem;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

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

  .newsletter-form .btn {
    width: 100%;
    justify-content: center;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .donate-tiers {
    grid-template-columns: 1fr;
  }

  .platforms-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 1.25rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
}