:root {
  --bg-dark: #020617;
  --bg-dark-2: #0f172a;
  --bg-dark-3: #1e293b;
  --bg-light: #f8fafc;
  --bg-light-2: #f1f5f9;
  --bg-light-3: #e2e8f0;
  --text-dark: #ffffff;
  --text-dark-2: #94a3b8;
  --text-dark-3: #64748b;
  --text-light: #0f172a;
  --text-light-2: #334155;
  --text-light-3: #64748b;
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --purple: #8b5cf6;
  --pink: #ec4899;
  --cyan: #06b6d4;
  --emerald: #10b981;
  --amber: #f59e0b;
  --grad-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --grad-secondary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --grad-cyan: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --max-width: 1200px;
  --pad: clamp(1rem, 5vw, 2rem);
  --header-height: 64px;
  --transition: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text-dark);
  line-height: 1.5;
  transition: background 0.2s ease, color 0.2s ease;
  overflow-x: hidden;
}

body.light {
  background: var(--bg-light);
  color: var(--text-light);
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

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

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

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

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

.hidden {
  display: none !important;
}

#page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  pointer-events: none;
}

body.light #page-loader {
  background: var(--bg-light);
}

#page-loader.done {
  opacity: 0;
  visibility: hidden;
}

.loader-bar {
  width: 80px;
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.loader-bar::after {
  content: '';
  position: absolute;
  width: 40%;
  height: 100%;
  background: var(--grad-primary);
  border-radius: 2px;
  animation: loaderAnim 0.8s ease infinite;
}

@keyframes loaderAnim {
  0% { left: -40%; }
  100% { left: 100%; }
}

#header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(2, 6, 23, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all 0.2s ease;
}

body.light #header {
  background: rgba(248, 250, 252, 0.95);
  border-bottom-color: rgba(0,0,0,0.05);
}

#header.scrolled {
  background: rgba(2, 6, 23, 0.98);
  backdrop-filter: blur(16px);
}

body.light #header.scrolled {
  background: rgba(248, 250, 252, 0.98);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark-2);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

body.light .nav-link {
  color: var(--text-light-2);
}

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

body.light .nav-link:hover,
body.light .nav-link.active {
  color: var(--text-light);
  background: rgba(0,0,0,0.04);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--bg-dark-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
  z-index: 100;
}

body.light .dropdown-menu {
  background: var(--bg-light-2);
  border-color: rgba(0,0,0,0.08);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-dark-2);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

body.light .dropdown-menu a {
  color: var(--text-light-2);
}

.dropdown-menu a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-dark);
}

body.light .dropdown-menu a:hover {
  background: rgba(0,0,0,0.04);
  color: var(--text-light);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.2s ease;
  color: var(--text-dark-2);
}

body.light .icon-btn {
  border-color: rgba(0,0,0,0.08);
  color: var(--text-light-2);
}

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

.btn-primary {
  background: var(--grad-primary);
  color: white;
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-dark-2);
  font-weight: 500;
  font-size: 0.8125rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

body.light .btn-outline {
  border-color: rgba(0,0,0,0.1);
  color: var(--text-light-2);
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.hamburger span {
  width: 20px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all 0.2s ease;
}

body.light .hamburger span {
  background: var(--text-light);
}

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

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

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

.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-dark);
  z-index: 190;
  padding: 1.5rem var(--pad);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

body.light .mobile-nav {
  background: var(--bg-light);
  border-top-color: rgba(0,0,0,0.05);
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-group {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark-3);
  padding: 0.75rem 0.5rem 0.25rem;
}

body.light .mobile-group {
  color: var(--text-light-3);
}

.mobile-link {
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-dark-2);
  transition: all 0.2s ease;
}

body.light .mobile-link {
  color: var(--text-light-2);
}

.mobile-link.sub {
  padding-left: 1.75rem;
  font-size: 0.875rem;
}

.mobile-link:hover,
.mobile-link.active {
  background: rgba(255,255,255,0.05);
  color: var(--text-dark);
}

body.light .mobile-link:hover,
body.light .mobile-link.active {
  background: rgba(0,0,0,0.03);
  color: var(--text-light);
}

.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.98);
  backdrop-filter: blur(20px);
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
}

body.light .search-overlay {
  background: rgba(248, 250, 252, 0.98);
}

.search-container {
  width: min(600px, 90%);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-dark-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
}

body.light .search-input-wrapper {
  background: var(--bg-light-2);
  border-color: rgba(0,0,0,0.08);
}

.search-input-wrapper svg {
  color: var(--text-dark-3);
  flex-shrink: 0;
}

#searchInput {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: 1.125rem;
  color: inherit;
}

#searchInput::placeholder {
  color: var(--text-dark-3);
}

body.light #searchInput::placeholder {
  color: var(--text-light-3);
}

.search-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.2s ease;
}

body.light .search-close {
  border-color: rgba(0,0,0,0.08);
}

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

.search-suggestions {
  width: min(600px, 90%);
}

.suggestions-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark-3);
  display: block;
  margin-bottom: 0.75rem;
}

body.light .suggestions-label {
  color: var(--text-light-3);
}

.suggestions-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.suggestion {
  padding: 0.375rem 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  transition: all 0.2s ease;
}

body.light .suggestion {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.06);
}

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

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.hero {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
  margin: 2rem 0 3rem;
}

.hero-main {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.hero-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
}

.hero-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-dark-2);
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.side-card {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-dark-2);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

body.light .side-card {
  background: var(--bg-light-2);
}

.side-card:hover {
  transform: translateX(4px);
}

.side-card img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius);
}

.side-card-content {
  flex: 1;
}

.side-card-tag {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.05em;
}

.side-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0.25rem 0;
  line-height: 1.4;
}

.side-card-meta {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
}

body.light .side-card-meta {
  color: var(--text-light-3);
}

.categories {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

body.light .categories {
  border-bottom-color: rgba(0,0,0,0.05);
}

.categories::-webkit-scrollbar {
  display: none;
}

.category {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-dark-2);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: all 0.2s ease;
}

body.light .category {
  color: var(--text-light-2);
}

.category:hover {
  color: var(--text-dark);
  background: rgba(255,255,255,0.05);
}

body.light .category:hover {
  color: var(--text-light);
  background: rgba(0,0,0,0.03);
}

.category.active {
  color: var(--primary);
  background: rgba(59,130,246,0.1);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  margin: 2rem 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
}

.section-link {
  font-size: 0.8125rem;
  color: var(--primary);
}

.articles-feed {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

body.light .articles-feed {
  background: rgba(0,0,0,0.05);
}

.article-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  background: var(--bg-dark-2);
  transition: all 0.2s ease;
}

body.light .article-card {
  background: var(--bg-light-2);
}

.article-card:hover {
  background: var(--bg-dark-3);
  transform: translateX(2px);
}

body.light .article-card:hover {
  background: var(--bg-light-3);
}

.article-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.article-tag {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
  background: rgba(59,130,246,0.15);
  color: var(--primary);
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.article-time {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
}

body.light .article-time {
  color: var(--text-light-3);
}

.article-title {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
}

.article-title a:hover {
  color: var(--primary);
}

.article-excerpt {
  font-size: 0.8125rem;
  color: var(--text-dark-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body.light .article-excerpt {
  color: var(--text-light-2);
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
}

.author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-size: 0.75rem;
  font-weight: 500;
}

.save-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.2s ease;
  color: var(--text-dark-2);
}

body.light .save-btn {
  border-color: rgba(0,0,0,0.08);
  color: var(--text-light-2);
}

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

.save-btn.saved {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(59,130,246,0.1);
}

.load-more {
  margin-top: 1.5rem;
  text-align: center;
}

.btn-load-more {
  padding: 0.75rem 2rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-dark-2);
  font-weight: 500;
  transition: all 0.2s ease;
}

body.light .btn-load-more {
  border-color: rgba(0,0,0,0.08);
  color: var(--text-light-2);
}

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

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.widget {
  background: var(--bg-dark-2);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

body.light .widget {
  background: var(--bg-light-2);
}

.widget-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark-3);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

body.light .widget-title {
  color: var(--text-light-3);
}

.trending-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.trending-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.trending-rank {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 28px;
}

.trending-content a {
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.4;
}

.trending-content a:hover {
  color: var(--primary);
}

.trending-stats {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
  display: block;
  margin-top: 0.25rem;
}

body.light .trending-stats {
  color: var(--text-light-3);
}

.podcast-player {
  margin-top: 1rem;
}

.podcast-info {
  margin-bottom: 1rem;
}

.podcast-episode {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.podcast-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0.25rem 0;
}

.podcast-duration {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
}

body.light .podcast-duration {
  color: var(--text-light-3);
}

.podcast-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.play-btn {
  width: 40px;
  height: 40px;
  background: var(--grad-primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.2s ease;
}

.play-btn:hover {
  transform: scale(1.05);
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

body.light .progress-bar {
  background: rgba(0,0,0,0.1);
}

.progress-fill {
  width: 0;
  height: 100%;
  background: var(--grad-primary);
  transition: width 1s linear;
}

.time-current {
  font-size: 0.75rem;
  color: var(--text-dark-3);
}

body.light .time-current {
  color: var(--text-light-3);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
  overflow: hidden;
}

body.light .stats-grid {
  background: rgba(0,0,0,0.05);
}

.stat {
  background: var(--bg-dark-2);
  padding: 0.75rem;
  text-align: center;
}

body.light .stat {
  background: var(--bg-light-2);
}

.stat-number {
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
  display: block;
}

body.light .stat-label {
  color: var(--text-light-3);
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

body.light .tag {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.06);
}

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

.feature {
  background: linear-gradient(135deg, rgba(59,130,246,0.08) 0%, rgba(139,92,246,0.04) 100%);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin: 3rem 0;
  border: 1px solid rgba(59,130,246,0.1);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.feature-left .section-title {
  color: var(--primary);
  margin-bottom: 1rem;
}

.feature-left h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-left p {
  color: var(--text-dark-2);
  margin-bottom: 1.5rem;
}

body.light .feature-left p {
  color: var(--text-light-2);
}

.feature-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

body.light .feature-list {
  background: rgba(0,0,0,0.05);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-dark-2);
  transition: all 0.2s ease;
}

body.light .feature-item {
  background: var(--bg-light-2);
}

.feature-item:hover {
  background: var(--bg-dark-3);
  transform: translateX(4px);
}

body.light .feature-item:hover {
  background: var(--bg-light-3);
}

.feature-number {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary);
  min-width: 32px;
}

.feature-item h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.feature-item em {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
  font-style: normal;
}

body.light .feature-item em {
  color: var(--text-light-3);
}

.newsletter {
  background: linear-gradient(135deg, var(--bg-dark-2) 0%, rgba(59,130,246,0.05) 100%);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin: 3rem 0;
  border: 1px solid rgba(59,130,246,0.1);
}

.newsletter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.newsletter-left .section-title {
  color: var(--primary);
}

.newsletter-left h2 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
  margin: 1rem 0;
}

.newsletter-benefits {
  list-style: none;
  margin: 1rem 0;
}

.newsletter-benefits li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-dark-2);
  margin-bottom: 0.5rem;
}

body.light .newsletter-benefits li {
  color: var(--text-light-2);
}

.newsletter-proof {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
}

body.light .newsletter-proof {
  color: var(--text-light-3);
}

.form-group {
  margin-bottom: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-field label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-dark-3);
}

body.light .form-field label {
  color: var(--text-light-3);
}

.form-field input {
  padding: 0.625rem 0.875rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  color: inherit;
  font-family: inherit;
  transition: all 0.2s ease;
}

body.light .form-field input {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.08);
}

.form-field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59,130,246,0.1);
}

.field-error {
  font-size: 0.6875rem;
  color: var(--pink);
  display: none;
}

.form-field.err .field-error {
  display: block;
}

.form-field.err input {
  border-color: var(--pink);
}

.checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  cursor: pointer;
}

.checkbox input {
  accent-color: var(--primary);
}

.success-message {
  padding: 0.75rem;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--radius);
  color: var(--emerald);
  font-size: 0.8125rem;
  margin-top: 1rem;
}

.legal-text {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
  margin-top: 1rem;
}

body.light .legal-text {
  color: var(--text-light-3);
}

.legal-text a {
  color: var(--primary);
  text-decoration: underline;
}

.guides {
  margin: 3rem 0;
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.guide-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-dark-2);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

body.light .guide-card {
  background: var(--bg-light-2);
  border-color: rgba(0,0,0,0.05);
}

.guide-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  background: var(--bg-dark-3);
}

body.light .guide-card:hover {
  background: var(--bg-light-3);
}

.guide-icon {
  font-size: 1.5rem;
}

.guide-info {
  flex: 1;
}

.guide-info .tag {
  display: inline-block;
  font-size: 0.5625rem;
  padding: 0.125rem 0.375rem;
  margin-bottom: 0.25rem;
}

.guide-info h3 {
  font-size: 0.8125rem;
  font-weight: 600;
}

.guide-info em {
  font-size: 0.6875rem;
  color: var(--text-dark-3);
  font-style: normal;
}

body.light .guide-info em {
  color: var(--text-light-3);
}

.guide-arrow {
  color: var(--text-dark-3);
  transition: all 0.2s ease;
}

body.light .guide-arrow {
  color: var(--text-light-3);
}

.guide-card:hover .guide-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

.footer {
  background: var(--bg-dark-2);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 3rem var(--pad) 1.5rem;
  margin-top: 4rem;
}

body.light .footer {
  background: var(--bg-light-2);
  border-top-color: rgba(0,0,0,0.05);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

body.light .footer-top {
  border-bottom-color: rgba(0,0,0,0.05);
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-description {
  font-size: 0.8125rem;
  color: var(--text-dark-2);
  max-width: 300px;
  margin-top: 0.5rem;
}

body.light .footer-description {
  color: var(--text-light-2);
}

.social-links {
  display: flex;
  gap: 0.5rem;
}

.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

body.light .social-link {
  border-color: rgba(0,0,0,0.08);
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 2rem 0;
}

.footer-col h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dark-3);
  margin-bottom: 1rem;
}

body.light .footer-col h4 {
  color: var(--text-light-3);
}

.footer-col a {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-dark-2);
  margin-bottom: 0.5rem;
  transition: color 0.2s ease;
}

body.light .footer-col a {
  color: var(--text-light-2);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 0.6875rem;
  color: var(--text-dark-3);
}

body.light .footer-bottom {
  border-top-color: rgba(0,0,0,0.05);
  color: var(--text-light-3);
}

.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  background: var(--bg-dark-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

body.light .back-to-top {
  background: var(--bg-light-2);
  border-color: rgba(0,0,0,0.08);
}

.back-to-top:not(.hidden) {
  opacity: 1;
  visibility: visible;
}

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

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--transition), transform 0.5s var(--transition);
  transition-delay: var(--d, 0s);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-side {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  .content-grid {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .hero-side {
    grid-template-columns: 1fr;
  }
  .sidebar {
    grid-template-columns: 1fr;
  }
  .article-card {
    grid-template-columns: 1fr;
  }
  .article-image {
    height: 160px;
  }
  .guides-grid {
    grid-template-columns: 1fr;
  }
  .footer-links {
    grid-template-columns: 1fr;
  }
  .footer-top {
    flex-direction: column;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .newsletter {
    padding: 1.5rem;
  }
  .feature {
    padding: 1.5rem;
  }
}