:root {
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: clamp(1.75rem, 4vw, 2.75rem);
  --space-xl: clamp(2.5rem, 5vw, 4rem);
  --home-bg: #0d0d0d;
  --home-surface: #121212;
  --home-surface-alt: #161616;
  --home-border: rgba(255, 255, 255, 0.06);
  --home-shadow: 0 24px 48px rgba(0, 0, 0, 0.55);
  --home-text-primary: #f5f5f5;
  --home-text-secondary: #b0b0b0;
  --home-text-muted: rgba(255, 255, 255, 0.55);
  --home-accent: #3b82f6;
  --home-accent-soft: rgba(59, 130, 246, 0.18);
}

body.home-page,
body.changelog-page,
body.help-page {
  background: var(--home-bg);
  color: var(--home-text-primary);
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue',
    Arial, sans-serif;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  text-align: initial;
}

body.home-page {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

body.home-page.home-loaded {
  opacity: 1;
  transform: none;
}

body.changelog-page {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

body.changelog-page.changelog-loaded {
  opacity: 1;
  transform: none;
}

body.help-page {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

body.help-page.help-loaded {
  opacity: 1;
  transform: none;
}

















main.home-main,
main.changelog-main,
main.help-main {
  flex: 1;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: var(--space-xl) clamp(1.5rem, 5vw, 3rem) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.home-hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: left;
}

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

.help-hero {
  display: grid;
  gap: var(--space-sm);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.16), rgba(59, 130, 246, 0.06) 60%),
    rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(59, 130, 246, 0.35);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.45);
  opacity: 0;
  transform: translateY(2.5rem);
  transition: opacity 0.75s ease, transform 0.75s ease;
  transition-delay: var(--home-section-delay, 0ms);
  will-change: opacity, transform;
}

.help-hero.is-visible {
  opacity: 1;
  transform: none;
}

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

.home-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--space-md);
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(59, 130, 246, 0.08) 55%),
    rgba(12, 24, 48, 0.85);
  border: 1px solid rgba(59, 130, 246, 0.35);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.55);
  opacity: 0;
  transform: translateY(2.5rem);
  transition: opacity 0.75s ease, transform 0.75s ease;
  transition-delay: var(--home-section-delay, 0ms);
  will-change: opacity, transform;
}

.home-callout.is-visible {
  opacity: 1;
  transform: none;
}

.home-callout__icon {
  width: clamp(48px, 8vw, 60px);
  height: clamp(48px, 8vw, 60px);
  display: grid;
  place-items: center;
  font-size: clamp(1.6rem, 4vw, 2rem);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.55);
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.25);
}

.home-callout__title {
  margin: 0 0 var(--space-xs);
  font-size: clamp(1.2rem, 3vw, 1.45rem);
  font-weight: 650;
  letter-spacing: -0.01em;
  color: #d8e7ff;
}

.home-callout p {
  margin: 0;
  color: rgba(219, 234, 254, 0.86);
  line-height: 1.6;
}

@media (max-width: 540px) {
  .home-callout {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .home-callout__icon {
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
  }
}

@media (min-width: 720px) {
  .home-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

.home-card {
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.1), transparent 55%),
    var(--home-surface);
  border: 1px solid var(--home-border);
  border-radius: 20px;
  box-shadow: var(--home-shadow);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(2.5rem);
  transition: opacity 0.75s ease, transform 0.75s ease;
  transition-delay: var(--home-section-delay, 0ms);
  will-change: opacity, transform;
}

.home-card.is-visible {
  opacity: 1;
  transform: none;
}

.help-section {
  background: linear-gradient(150deg, rgba(34, 197, 94, 0.12), transparent 58%), var(--home-surface);
  border: 1px solid var(--home-border);
  border-radius: 20px;
  box-shadow: var(--home-shadow);
  padding: clamp(1.75rem, 4vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  opacity: 0;
  transform: translateY(2.5rem);
  transition: opacity 0.75s ease, transform 0.75s ease;
  transition-delay: var(--home-section-delay, 0ms);
  will-change: opacity, transform;
}

.help-section.is-visible {
  opacity: 1;
  transform: none;
}

.help-section__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.help-section__icon {
  width: clamp(48px, 6vw, 56px);
  height: clamp(48px, 6vw, 56px);
  display: grid;
  place-items: center;
  font-size: clamp(1.5rem, 3.5vw, 1.85rem);
  border-radius: 16px;
  background: rgba(34, 197, 94, 0.12);
  color: #6ee7b7;
  box-shadow: inset 0 0 0 1px rgba(110, 231, 183, 0.25);
}

.help-section p {
  margin: 0;
  color: var(--home-text-secondary);
  line-height: 1.7;
}

.help-section ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: var(--space-xs);
  color: var(--home-text-secondary);
}

.help-section li::marker {
  color: rgba(110, 231, 183, 0.85);
}

.help-callout {
  margin-top: clamp(2rem, 6vw, 3rem);
  padding: clamp(1.5rem, 5vw, 2.25rem);
  border-radius: 24px;
  background: var(--home-surface-alt);
  border: 1px solid rgba(148, 163, 184, 0.2);
  display: grid;
  gap: var(--space-sm);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.help-callout.is-visible {
  opacity: 1;
  transform: none;
}

.help-callout h2 {
  margin: 0;
  color: var(--home-text-primary);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
}

.help-callout ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: var(--space-xs);
  color: var(--home-text-secondary);
}

.help-callout li::marker {
  color: rgba(94, 234, 212, 0.9);
}

.home-card--release {
  background: linear-gradient(160deg, rgba(99, 102, 241, 0.14), transparent 60%),
    var(--home-surface-alt);
}

.home-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.home-card__icon {
  font-size: 1.6em;
}

.home-card h1,
.home-card h2 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.home-card h1 {
  font-size: clamp(1.9rem, 4vw, 2.4rem);
}

.home-card h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  color: var(--home-text-primary);
}

.home-card__meta {
  color: var(--home-text-muted);
  margin: 0;
  font-size: 0.95rem;
}

.home-card p,
.home-card li {
  color: var(--home-text-secondary);
  line-height: 1.6;
  font-size: 1rem;
  margin: 0;
}

.home-card ul {
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.home-card ul li::marker {
  color: var(--home-accent);
}

.home-button {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  background: var(--home-accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.35);
}

.home-button:hover,
.home-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.4);
}

.home-button:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.6);
  outline-offset: 2px;
}

.changelog-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: left;
  position: relative;
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.75s ease, transform 0.75s ease;
  transition-delay: var(--section-delay, 0ms);
  will-change: opacity, transform;
}

.changelog-header::after {
  content: '';
  position: absolute;
  inset: auto clamp(1rem, 4vw, 2.5rem) -1.5rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.28), rgba(15, 23, 42, 0));
  opacity: 0;
  transition: opacity 0.6s ease;
}

.changelog-header h1 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin: 0;
}

.changelog-header.is-visible {
  opacity: 1;
  transform: none;
}

.changelog-header.is-visible::after {
  opacity: 1;
}

.changelog-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.changelog-topbar {
  width: min(1120px, 100%);
  margin: clamp(1.5rem, 5vw, 3rem) auto 0;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  display: flex;
  justify-content: flex-start;
}

.changelog-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--home-text-secondary);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease,
    transform 0.2s ease;
}

.changelog-back:hover,
.changelog-back:focus-visible {
  color: var(--home-text-primary);
  background: rgba(91, 141, 239, 0.18);
  border-color: rgba(91, 141, 239, 0.35);
  outline: none;
  transform: translateY(-1px);
}

.changelog-language-switch {
  width: 100%;
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  color: var(--home-text-muted);
}

.changelog-language-switch__label {
  font-weight: 600;
  color: var(--home-text-secondary);
}

.changelog-language-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: var(--home-text-primary);
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.changelog-language-switch a[aria-current='page'] {
  background: rgba(91, 141, 239, 0.2);
  border-color: rgba(91, 141, 239, 0.45);
  color: #d4e3ff;
}

.changelog-language-switch a:hover,
.changelog-language-switch a:focus-visible {
  background: rgba(91, 141, 239, 0.18);
  border-color: rgba(91, 141, 239, 0.35);
  transform: translateY(-1px);
  outline: none;
}

.changelog-entry {
  background: linear-gradient(150deg, rgba(59, 130, 246, 0.08), transparent 60%),
    var(--home-surface);
  border: 1px solid var(--home-border);
  border-radius: 20px;
  box-shadow: var(--home-shadow);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  position: relative;
  opacity: 0;
  transform: translateY(2.5rem);
  transition: opacity 0.75s ease, transform 0.75s ease;
  transition-delay: var(--section-delay, 0ms);
  will-change: opacity, transform;
}

.changelog-entry::after {
  content: '';
  position: absolute;
  inset: auto clamp(1rem, 4vw, 2.5rem) -1.75rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(148, 163, 184, 0.28), rgba(15, 23, 42, 0));
  opacity: 0;
  transition: opacity 0.6s ease;
}

.changelog-entry.is-visible {
  opacity: 1;
  transform: none;
}

.changelog-entry.is-visible::after {
  opacity: 1;
}

.changelog-entry__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.changelog-entry__meta time {
  color: var(--home-text-muted);
  font-size: 0.95rem;
}

.changelog-entry ul {
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.changelog-subentry {
  border-left: 2px solid rgba(91, 141, 239, 0.35);
  padding-left: clamp(0.9rem, 2vw, 1.5rem);
  margin-top: clamp(0.75rem, 2vw, 1.25rem);
  display: grid;
  gap: var(--space-xs);
}

.changelog-subentry h3 {
  margin: 0;
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  color: var(--home-text-primary);
}

.changelog-subentry h4 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--home-text-secondary);
}

.changelog-subentry ul {
  padding-left: 1.1rem;
  margin: 0;
  display: grid;
  gap: 0.4rem;
}

.changelog-subentry ul li::marker {
  color: rgba(91, 141, 239, 0.9);
}

.site-footer {
  text-align: center;
  padding: var(--space-md) var(--space-sm) var(--space-lg);
  color: var(--home-text-muted);
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
}

.site-footer a {
  color: var(--home-text-secondary);
  text-decoration: underline;
}

@media (max-width: 720px) {



  .changelog-topbar {
    justify-content: center;
  }

  .changelog-language-switch {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.home-page,
  body.changelog-page {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .home-callout,
  .home-card,
  .home-callout.is-visible,
  .home-card.is-visible,
  .changelog-header,
  .changelog-entry,
  .changelog-header::after,
  .changelog-entry::after {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}