:root {
  --background: #07070d;
  --surface: #11131d;
  --surface-strong: #181a2b;
  --surface-soft: rgba(255, 255, 255, 0.05);
  --text: #e8e8f8;
  --text-muted: #9ca3d8;
  --primary: #7a5cff;
  --primary-soft: rgba(122, 92, 255, 0.18);
  --accent: #3dd1ff;
  --accent-soft: rgba(61, 209, 255, 0.12);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
  --radius: 24px;
  --radius-sm: 18px;
  --transition: 250ms ease;
}

[data-theme="light"] {
  --background: #f5f6fb;
  --surface: #ffffff;
  --surface-strong: #f0f2ff;
  --surface-soft: rgba(20, 24, 42, 0.06);
  --text: #111827;
  --text-muted: #4b5563;
  --primary: #5c4dff;
  --primary-soft: rgba(92, 77, 255, 0.14);
  --accent: #00b8ff;
  --accent-soft: rgba(0, 184, 255, 0.12);
  --border: rgba(17, 24, 39, 0.12);
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, rgba(122, 92, 255, 0.15), transparent 25%),
    linear-gradient(180deg, var(--background) 0%, var(--background) 100%);
  color: var(--text);
}

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

button, input {
  font: inherit;
}

button {
  cursor: pointer;
}

input {
  outline: none;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.section-header {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
}

h1, h2, h3 {
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 4vw, 4rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  line-height: 1.75;
  color: var(--text-muted);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(7, 7, 13, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(15, 23, 42, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 700;
}

.brand strong {
  display: block;
  font-size: 1.1rem;
}

.brand small {
  color: var(--text-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 2rem;
}

.menu-toggle {
  display: none;
}

.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  font-size: 0.95rem;
  color: var(--text);
  transition: color var(--transition);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--primary);
}

.badge {
  margin-left: 0.4rem;
  background: rgba(122, 92, 255, 0.14);
  color: var(--accent);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
}

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

.icon-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  display: grid;
  place-items: center;
  color: var(--text);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.icon-button:hover,
.icon-button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--primary);
}

.icon-button svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.favorite-counter {
  display: grid;
  place-items: center;
  text-align: center;
  gap: 0.15rem;
  min-width: 72px;
  padding: 0.65rem 0.9rem;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.favorite-counter span {
  font-weight: 700;
}

.search-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition);
}

.search-panel.active {
  max-height: 120px;
}

.search-inner {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0 1.25rem;
}

.search-inner input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 16px;
  padding: 1rem 1.2rem;
  color: var(--text);
}

.button {
  border: none;
  border-radius: 14px;
  padding: 0.95rem 1.4rem;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.button.primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
}

.button.secondary {
  background: var(--surface-soft);
  color: var(--text);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.hero {
  position: relative;
  min-height: 75vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  margin-top: 1rem;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-background, url('assets/background-purple.jpg'));
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  filter: brightness(0.55);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 7, 13, 0.25) 0%, rgba(7, 7, 13, 0.92) 75%);
}

[data-theme="light"] .hero-overlay {
  background: linear-gradient(180deg, rgba(7, 7, 13, 0.22) 0%, rgba(7, 7, 13, 0.85) 75%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding: 3rem 0;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  margin: 1.3rem 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.highlight-grid,
.recent-grid,
.category-grid,
.ranking-list {
  display: grid;
  gap: 1.5rem;
}

.highlight-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.highlight-card,
.recent-card,
.category-card,
.ranking-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.highlight-card {
  display: grid;
  grid-template-rows: 220px auto;
}

.highlight-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.highlight-card-content {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
}

.highlight-card h3 {
  font-size: 1.25rem;
  line-height: 1.4;
}

.highlight-card p {
  margin: 0;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.favorite-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  display: grid;
  place-items: center;
}

.favorite-button.active {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(122, 92, 255, 0.15);
}

.recent-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.recent-card {
  display: flex;
  flex-direction: column;
}

.recent-card img {
  height: 200px;
  object-fit: cover;
}

.recent-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.card-label {
  color: var(--accent);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.category-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.category-card {
  padding: 2rem;
  display: grid;
  gap: 1rem;
  border-radius: 24px;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  border: 1px solid var(--border);
}

.category-card:hover,
.category-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(122, 92, 255, 0.3);
  background: rgba(255, 255, 255, 0.04);
}

.category-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(61, 209, 255, 0.1);
  font-size: 1.6rem;
}

.ranking-list {
  grid-template-columns: 1fr;
}

.ranking-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
}

.ranking-item img {
  width: 84px;
  height: 84px;
  border-radius: 18px;
  object-fit: cover;
}

.position {
  font-size: 1.75rem;
  font-weight: 700;
  width: 48px;
  color: var(--primary);
  text-align: center;
}

.rating {
  min-width: 110px;
  text-align: right;
  display: grid;
  gap: 0.75rem;
}

.rating span {
  font-size: 1rem;
  font-weight: 700;
}

.rating-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.rating-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.newsletter {
  background: linear-gradient(135deg, rgba(122, 92, 255, 0.18), rgba(61, 209, 255, 0.1));
}

.article-view {
  padding: 4rem 0;
  background: linear-gradient(180deg, rgba(7, 7, 13, 0.95), rgba(17, 19, 34, 0.95));
}

.article-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.article-content {
  display: grid;
  gap: 1.5rem;
}

.article-image {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 22px;
}

.article-header {
  display: grid;
  gap: 1rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
}

.article-body {
  display: grid;
  gap: 1rem;
  color: var(--text-muted);
}

.article-body p {
  margin: 0;
}

.close-article {
  align-self: start;
  margin-bottom: 1rem;
}

.article-view.hidden {
  display: none;
}

.newsletter {
  background: linear-gradient(135deg, rgba(122, 92, 255, 0.18), rgba(61, 209, 255, 0.1));
}

.newsletter-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 2rem;
  padding: 3rem;
  border-radius: 32px;
  background: rgba(17, 19, 34, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.newsletter-form {
  display: grid;
  gap: 1rem;
}

.newsletter-form input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 16px;
  padding: 1rem 1.2rem;
  color: var(--text);
}

.newsletter-feedback {
  color: var(--accent);
  min-height: 1.4rem;
}

.site-footer {
  padding: 3rem 0 2rem;
  background: var(--surface-strong);
}

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

.footer-grid h3 {
  font-size: 1.05rem;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

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

.brand-footer {
  display: inline-block;
  margin-bottom: 1rem;
  font-weight: 700;
  font-size: 1.2rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.footer-bottom {
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.5rem;
  color: var(--text-muted);
  text-align: center;
}

.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}

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

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.filter-button {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.75rem 1rem;
  background: var(--surface);
  color: var(--text);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.filter-button.active,
.filter-button:hover,
.filter-button:focus-visible {
  border-color: var(--primary);
  background: rgba(122, 92, 255, 0.12);
  color: var(--accent);
}

.no-results {
  margin-top: 2rem;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

.hidden {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 960px) {
  .highlight-grid {
    grid-template-columns: 1fr;
  }

  .recent-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .newsletter-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-wrap: wrap;
  }

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

  .main-nav {
    position: absolute;
    inset: auto 1rem 0;
    z-index: 40;
    width: calc(100% - 2rem);
    background: rgba(7, 7, 13, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 1rem;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }

  .main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.75rem;
  }

  .search-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .recent-grid,
  .category-grid,
  .ranking-list {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 55vh;
  }

  .hero-content {
    padding: 2rem 0;
  }
}

@media (max-width: 520px) {
  .header-actions,
  .hero-meta,
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .icon-button {
    width: 100%;
  }

  .icon-button {
    height: 52px;
  }

  .favorite-counter {
    width: 100%;
  }
}