/* Header & Navigation */
.c-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-md);
  padding-inline: clamp(var(--space-lg), 4vw, var(--space-xl));
  border-bottom: 1px solid rgb(0 0 0 / 10%);
  transition: padding var(--transition-fast),
    background var(--transition-fast), border-color var(--transition-fast);
  background: var(--bg-color);
  width: 100%;
  max-width: 100%;
}

.c-header.is-condensed {
  padding-block: var(--space-sm);
  background: var(--bg-color);
  border-color: rgb(0 0 0 / 15%);
}

.skip-link {
  position: absolute;
  top: 0;
  left: -999px;
  background: var(--white);
  color: var(--black);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: var(--z-overlay);
}

.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
}

.c-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 1.1rem;
  text-decoration: none;
  line-height: 1;
}

.c-header__logo {
  display: block;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  transition: opacity var(--transition-fast);
  opacity: 1;
  vertical-align: middle;
  background: transparent;
}

.c-header__brand:hover .c-header__logo {
  opacity: 0.85;
}

:root .c-header__logo {
  filter: brightness(1.05);
}

[data-theme='light'] .c-header__logo {
  filter: brightness(0.7) contrast(1.2);
  opacity: 1;
}

.c-header__brand-text {
  display: inline-block;
  line-height: 1;
  vertical-align: middle;
}

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

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

.c-nav__link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.c-nav__link[aria-current='page'] {
  color: var(--text-primary);
}

.c-nav__link:hover,
.c-nav__link:focus-visible {
  color: var(--text-primary);
}

.c-nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgb(0 0 0 / 15%);
  align-items: center;
  justify-content: center;
  background: rgb(0 0 0 / 4%);
  transition: background var(--transition-fast), border-color var(--transition-fast),
    transform var(--transition-fast);
  position: relative;
}

.c-nav__toggle:hover {
  background: rgb(0 0 0 / 8%);
  border-color: rgb(0 0 0 / 25%);
}

.c-nav__toggle:focus-visible {
  outline: 2px solid rgb(0 0 0 / 80%);
  outline-offset: 3px;
}

.c-nav__bars {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 20px;
}

.c-nav__bar {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 999px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  transform-origin: center;
}

.c-nav__toggle.is-active {
  background: rgb(0 0 0 / 10%);
  border-color: rgb(0 0 0 / 30%);
}

.c-nav__toggle.is-active .c-nav__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.c-nav__toggle.is-active .c-nav__bar:nth-child(2) {
  opacity: 0;
}

.c-nav__toggle.is-active .c-nav__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.c-drawer {
  position: fixed;
  inset: 0;
  top: 0;
  background: rgb(0 0 0 / 40%);
  backdrop-filter: blur(12px) saturate(130%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  z-index: calc(var(--z-nav) + 1);
}

@media (prefers-reduced-motion: reduce) {
  .c-drawer {
    transition: none;
  }
}

.c-drawer__panel {
  width: min(340px, 88vw);
  background: var(--bg-color);
  padding: var(--space-xl) var(--space-lg);
  padding-top: calc(var(--space-xl) + 3.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transform: translateX(100%);
  transition: transform var(--transition-med);
  height: 100vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: -4px 0 32px rgb(0 0 0 / 15%);
  border-left: 1px solid rgb(0 0 0 / 10%);
}

@media (prefers-reduced-motion: reduce) {
  .c-drawer__panel {
    transition: none;
  }
}

.c-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgb(0 0 0 / 10%);
}

.c-drawer__header .c-header__brand {
  text-decoration: none;
  color: var(--text-primary);
  flex: 1;
}

.c-drawer__title {
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.c-drawer__nav {
  margin-top: var(--space-xs);
}

.c-drawer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.c-drawer__item {
  margin: 0;
}

.c-drawer__link {
  display: block;
  padding-block: var(--space-sm);
  font-size: 1.05rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast);
}

.c-drawer__link:hover,
.c-drawer__link:focus-visible {
  background: rgb(0 0 0 / 5%);
  color: var(--text-primary);
}

.c-drawer__link[aria-current='page'] {
  background: rgb(0 0 0 / 8%);
  color: var(--text-primary);
}

.c-drawer__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgb(0 0 0 / 15%);
  background: rgb(0 0 0 / 4%);
  transition: background var(--transition-fast), border-color var(--transition-fast),
    transform var(--transition-fast);
  position: relative;
}

.c-drawer__close:hover {
  background: rgb(0 0 0 / 10%);
  border-color: rgb(0 0 0 / 25%);
}

.c-drawer__close:focus-visible {
  outline: 2px solid rgb(0 0 0 / 80%);
  outline-offset: 3px;
}

.c-drawer__close::before,
.c-drawer__close::after {
  content: '';
  position: absolute;
  inset: calc(50% - 1px) calc(50% - 8px);
  height: 2px;
  width: 16px;
  background: var(--text-primary);
  border-radius: 999px;
}

.c-drawer__close::before {
  transform: rotate(45deg);
}

.c-drawer__close::after {
  transform: rotate(-45deg);
}

.c-drawer.is-active {
  opacity: 1;
  pointer-events: auto;
}

.c-drawer.is-active .c-drawer__panel {
  transform: translateX(0);
}

/* Buttons & links */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-inline: var(--space-lg);
  padding-block: var(--space-sm);
  border-radius: 999px;
  border: 1px solid rgb(0 0 0 / 20%);
  min-height: 48px;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition-fast),
    transform var(--transition-fast);
}

.c-btn:hover {
  transform: translateY(-1px);
}

.c-btn--ghost:hover {
  background: rgb(0 0 0 / 5%);
}

.c-btn--ghost {
  background: transparent;
  color: var(--text-primary);
}

.c-btn--ghost:visited {
  color: var(--text-primary);
}

.c-btn--solid {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.c-btn--solid:hover {
  background: var(--black);
  opacity: 0.9;
}

.c-btn--solid:visited {
  color: var(--white);
}

.c-btn.c-btn--ghost.is-active,
.c-btn.c-btn--ghost[aria-pressed='true'] {
  background: rgb(0 0 0 / 10%);
  border-color: rgb(0 0 0 / 40%);
  color: var(--text-primary);
}

.c-social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: var(--space-xs) var(--space-sm);
}

.c-social-link:hover,
.c-social-link:focus-visible {
  color: var(--white);
}

.c-social-link svg {
  flex-shrink: 0;
}

/* Cards */
.c-card {
  border: 1px solid rgb(255 255 255 / 10%);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: var(--grey-1);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: transform var(--transition-fast),
    border-color var(--transition-fast);
}

.c-card:hover {
  transform: translateY(-4px);
  border-color: rgb(255 255 255 / 30%);
}

.c-card__meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.c-card__title {
  font-size: 1.4rem;
}

.c-card__desc {
  color: var(--text-secondary);
}

.c-card__actions {
  margin-top: auto;
}

.c-badge {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  border: 1px solid rgb(255 255 255 / 20%);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.c-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.c-list__item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  border-bottom: 1px solid rgb(255 255 255 / 4%);
  padding-bottom: var(--space-sm);
}

.c-list__title {
  font-weight: 500;
}

.c-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.c-footer__links {
  display: flex;
  gap: var(--space-md);
}

.c-footer__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.c-section-label {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--grey-4);
}

.c-section-heading {
  margin-block: var(--space-sm);
}

/* Stats */
.c-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.c-stat__value {
  font-size: 2rem;
  font-weight: 600;
}

.c-stat__label {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

/* Search */
.c-search {
  position: relative;
  width: 100%;
}

.c-search__input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 999px;
  background: var(--grey-1);
  color: var(--white);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  appearance: none;
  box-sizing: border-box;
}

.c-search__input:focus {
  outline: none;
  border-color: rgb(255 255 255 / 40%);
  background: var(--grey-2);
}

.c-search__input::placeholder {
  color: var(--text-secondary);
}

.c-search__results {
  position: absolute;
  top: calc(100% + var(--space-xs));
  left: 0;
  right: 0;
  background: var(--grey-1);
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  max-height: 400px;
  overflow-y: auto;
  z-index: var(--z-overlay);
  box-shadow: 0 8px 24px rgb(0 0 0 / 40%);
}

.c-search__results:not([hidden]) {
  display: block;
}

.c-search__result-item {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.c-search__result-item:hover,
.c-search__result-item:focus {
  background: rgb(255 255 255 / 5%);
}

.c-search__result-title {
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.c-search__result-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Blog filter */
.blog-layout {
  align-items: flex-start;
  gap: var(--space-xl);
}

.blog-filter {
  position: sticky;
  top: calc(var(--space-xl) + 1.5rem);
  align-self: flex-start;
  gap: var(--space-lg);
}

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

.blog-filter__count {
  font-size: 0.85rem;
}

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

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

.blog-filter__search-input {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  border: 1px solid rgb(255 255 255 / 18%);
  background: rgb(12 18 28 / 60%);
  color: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.blog-filter__search-input::placeholder {
  color: rgb(255 255 255 / 45%);
}

.blog-filter__search-input:focus-visible {
  outline: none;
  border-color: rgb(255 255 255 / 45%);
  box-shadow: 0 0 0 1px rgb(255 255 255 / 35%);
  background: rgb(18 24 36 / 85%);
}

.blog-filter__hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.blog-filter__options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.blog-filter__options--stacked {
  flex-direction: column;
  align-items: flex-start;
}

.blog-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.blog-filter__group--active {
  padding-top: var(--space-sm);
  border-top: 1px solid rgb(255 255 255 / 8%);
}

.blog-filter__reset {
  align-self: flex-start;
}

.blog-feed {
  grid-column: span 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  align-content: flex-start;
  max-width: 100%;
}

@media (width >=1200px) {
  .blog-feed {
    grid-template-columns: repeat(auto-fit, minmax(350px, 500px));
  }
}

.blog-feed.is-filtering>* {
  animation: blog-feed-fade 220ms ease-out;
}

.blog-feed.is-filtering>*:where([data-blog-empty]) {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  .blog-feed.is-filtering>* {
    animation: none;
  }
}

@keyframes blog-feed-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.blog-feed>article {
  height: 100%;
}

/* Blog latest card */
.blog-latest-card {
  max-width: 700px;
  margin-inline: auto;
}

.blog-latest-card .stack {
  gap: var(--space-sm);
}

.blog-latest-card__subtitle {
  margin-top: 0.15em;
  margin-bottom: 0;
}

.blog-latest-card__date {
  margin-top: 0.35em;
  margin-bottom: 0;
  font-size: 0.95rem;
}

.blog-latest-card__excerpt {
  margin-top: 0.75em;
  margin-bottom: 0;
  line-height: 1.6;
  max-width: 65ch;
}

/* Blog feed cards */
.blog-card .stack {
  gap: var(--space-sm);
}

.blog-card__title {
  margin-top: 0.35em;
  margin-bottom: 0.2em;
}

.blog-card__subtitle {
  margin-top: 0;
  margin-bottom: 0.35em;
  font-size: 0.95rem;
}

.blog-card__excerpt {
  margin-top: 0.35em;
  margin-bottom: 0;
  line-height: 1.6;
  font-size: 0.95rem;
  max-width: 60ch;
}

.blog-card .c-card__actions {
  margin-top: var(--space-sm);
}

.blog-feed__empty {
  grid-column: 1 / -1;
  text-align: center;
}

.blog-feed__empty[hidden] {
  display: none;
}

.c-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 999px;
  border: 1px solid rgb(255 255 255 / 25%);
  background: rgb(255 255 255 / 8%);
  color: inherit;
  font-size: 0.8rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

.c-chip:hover,
.c-chip:focus-visible {
  background: rgb(255 255 255 / 14%);
  border-color: rgb(255 255 255 / 40%);
  transform: translateY(-1px);
}

.c-chip__label {
  white-space: nowrap;
}

@media (width <=1024px) {
  .blog-feed {
    grid-column: 1 / -1;
  }
}

@media (width <=900px) {
  .blog-filter {
    position: static;
    gap: var(--space-lg);
  }

  .blog-filter__options {
    gap: var(--space-sm);
  }

  .blog-feed {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .blog-latest-card {
    max-width: 100%;
  }
}

@media (width <=600px) {
  .blog-filter {
    gap: var(--space-md);
  }

  .blog-feed {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .blog-latest-card .stack {
    gap: var(--space-sm);
  }

  .blog-card .stack {
    gap: var(--space-xs);
  }

  .blog-card__excerpt,
  .blog-latest-card__excerpt {
    max-width: 100%;
  }
}

@media (width <=600px) {
  .c-header {
    padding-block: var(--space-sm);
    padding-inline: var(--space-md);
  }

  .c-header__brand {
    font-size: 1rem;
    gap: var(--space-xs);
  }

  .c-header__logo {
    width: 40px;
    height: 40px;
  }

  .c-btn {
    padding-inline: var(--space-md);
    padding-block: var(--space-sm);
    min-height: 44px;
    font-size: 0.9rem;
  }

  .cluster .c-btn {
    width: 100%;
    max-width: 100%;
  }

  .c-card {
    padding: var(--space-md);
  }

  .c-card__title {
    font-size: 1.2rem;
  }

  .c-search {
    position: relative;
    z-index: 1;
  }

  .c-search__input {
    font-size: 16px;

    /* Prevents zoom on iOS */
    padding: var(--space-sm) var(--space-md);
    appearance: none;
    border-radius: 999px;
  }

  .c-drawer__panel {
    width: min(100vw, 340px);
    padding: var(--space-lg) var(--space-md);
    padding-top: calc(var(--space-lg) + 3rem);
  }

  .c-drawer__header {
    padding-bottom: var(--space-sm);
  }

  .c-drawer__title {
    font-size: 0.8rem;
  }

  .c-drawer__link {
    font-size: 1rem;
    padding-block: var(--space-xs);
  }

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

  .c-footer__links {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
  }

  .c-footer>div:first-child {
    text-align: center;
  }

  .c-footer .c-header__brand {
    justify-content: center;
    margin-bottom: var(--space-xs);
  }

  .c-footer p {
    font-size: 0.9rem;
    line-height: 1.5;
  }
}

/* Table of Contents */
#markdown-toc {
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  background: rgb(255 255 255 / 5%);
  border: 1px solid rgb(255 255 255 / 10%);
  border-radius: var(--radius-md);
  border-left: 4px solid rgb(255 255 255 / 30%);
}

#markdown-toc::before {
  content: "Table of Contents";
  display: block;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

#markdown-toc ul {
  list-style: none;
  padding-left: var(--space-md);
  margin: 0;
}

#markdown-toc li {
  margin: var(--space-xs) 0;
}

#markdown-toc a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

#markdown-toc a:hover {
  color: var(--white);
  text-decoration: underline;
}

#markdown-toc ul ul {
  margin-top: var(--space-xs);
  padding-left: var(--space-md);
}

/* Newsletter Signup */
.newsletter-signup {
  padding: var(--space-xl) var(--space-lg);
  background: var(--grey-1);
  border: 1px solid rgb(255 255 255 / 10%);
  border-radius: var(--radius-md);
  text-align: center;
}

.newsletter-signup__content {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.newsletter-signup__title {
  font-size: var(--step-1);
  margin: 0;
  color: var(--text-primary);
}

.newsletter-signup__description {
  color: var(--text-secondary);
  margin: 0;
}

.newsletter-signup__form {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-signup__input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 999px;
  background: var(--grey-2);
  color: var(--white);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  appearance: none;
}

.newsletter-signup__input:focus {
  outline: none;
  border-color: rgb(255 255 255 / 40%);
  background: var(--grey-3);
}

.newsletter-signup__input::placeholder {
  color: var(--text-secondary);
}

.newsletter-signup__button {
  white-space: nowrap;
}

.newsletter-signup__privacy {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

@media (width <=600px) {
  .newsletter-signup__form {
    flex-direction: column;
  }

  .newsletter-signup__input {
    width: 100%;
  }

  .newsletter-signup__button {
    width: 100%;
  }
}

@media (width <=900px) {
  .c-nav__list {
    display: none;
  }

  .c-nav__toggle {
    display: inline-flex;
  }

  .c-footer {
    flex-direction: column;
    gap: var(--space-md);
  }
}

/* Theme Toggle Button */
.c-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgb(0 0 0 / 15%);
  background: rgb(0 0 0 / 4%);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast),
    transform var(--transition-fast);
  flex-shrink: 0;
}

.c-theme-toggle:hover {
  background: rgb(0 0 0 / 8%);
  border-color: rgb(0 0 0 / 25%);
  transform: translateY(-1px);
}

.c-theme-toggle:focus-visible {
  outline: 2px solid rgb(0 0 0 / 80%);
  outline-offset: 3px;
}

.c-theme-toggle__icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--text-primary);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Show/hide icons based on theme */
.c-theme-toggle__sun {
  display: none;
}

.c-theme-toggle__moon {
  display: block;
}

[data-theme="dark"] .c-theme-toggle__sun {
  display: block;
}

[data-theme="dark"] .c-theme-toggle__moon {
  display: none;
}

/* Dark Theme Component Overrides */
[data-theme="dark"] .c-header {
  border-bottom-color: rgb(255 255 255 / 10%);
}

[data-theme="dark"] .c-header.is-condensed {
  border-color: rgb(255 255 255 / 15%);
}

[data-theme="dark"] .skip-link {
  background: var(--black);
  color: var(--white);
}

[data-theme="dark"] .c-nav__toggle {
  border-color: rgb(255 255 255 / 15%);
  background: rgb(255 255 255 / 4%);
}

[data-theme="dark"] .c-nav__toggle:hover {
  background: rgb(255 255 255 / 8%);
  border-color: rgb(255 255 255 / 25%);
}

[data-theme="dark"] .c-nav__toggle:focus-visible {
  outline-color: rgb(255 255 255 / 80%);
}

[data-theme="dark"] .c-nav__toggle.is-active {
  background: rgb(255 255 255 / 10%);
  border-color: rgb(255 255 255 / 30%);
}

[data-theme="dark"] .c-theme-toggle {
  border-color: rgb(255 255 255 / 15%);
  background: rgb(255 255 255 / 4%);
}

[data-theme="dark"] .c-theme-toggle:hover {
  background: rgb(255 255 255 / 8%);
  border-color: rgb(255 255 255 / 25%);
}

[data-theme="dark"] .c-theme-toggle:focus-visible {
  outline-color: rgb(255 255 255 / 80%);
}

[data-theme="dark"] .c-drawer__panel {
  box-shadow: -4px 0 32px rgb(0 0 0 / 40%);
  border-left-color: rgb(255 255 255 / 10%);
}

[data-theme="dark"] .c-drawer__header {
  border-bottom-color: rgb(255 255 255 / 10%);
}

[data-theme="dark"] .c-drawer__link:hover,
[data-theme="dark"] .c-drawer__link:focus-visible {
  background: rgb(255 255 255 / 5%);
}

[data-theme="dark"] .c-drawer__link[aria-current='page'] {
  background: rgb(255 255 255 / 8%);
}

[data-theme="dark"] .c-drawer__close {
  border-color: rgb(255 255 255 / 15%);
  background: rgb(255 255 255 / 4%);
}

[data-theme="dark"] .c-drawer__close:hover {
  background: rgb(255 255 255 / 10%);
  border-color: rgb(255 255 255 / 25%);
}

[data-theme="dark"] .c-drawer__close:focus-visible {
  outline-color: rgb(255 255 255 / 80%);
}

[data-theme="dark"] .c-btn {
  border-color: rgb(255 255 255 / 20%);
}

[data-theme="dark"] .c-btn--ghost:hover {
  background: rgb(255 255 255 / 5%);
}

[data-theme="dark"] .c-btn.c-btn--ghost.is-active,
[data-theme="dark"] .c-btn.c-btn--ghost[aria-pressed='true'] {
  background: rgb(255 255 255 / 10%);
  border-color: rgb(255 255 255 / 40%);
}

[data-theme="dark"] .c-btn--solid {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

[data-theme="dark"] .c-btn--solid:visited {
  color: var(--black);
}

[data-theme="dark"] .c-social-link:hover,
[data-theme="dark"] .c-social-link:focus-visible {
  color: var(--text-primary);
}
[data-theme="dark"] .c-header__logo {
  filter: grayscale(1) contrast(1.5) brightness(1.05);
}

/* Blog tag panel */
.blog-tags {
  border: 1px solid var(--border-color);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: color-mix(in srgb, var(--bg-color) 92%, var(--text-primary) 8%);
}

.blog-tags__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
}

.blog-tags__title {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  opacity: 0.75;
  margin: 0;
}

.blog-tags__summary {
  font-size: 0.85rem;
  opacity: 0.7;
  margin: 0;
}

.blog-tags__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.blog-tags__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.7;
}

.blog-tags__sort {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.blog-tags__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  border: 1px solid var(--border-color);
  background: transparent;
  padding: 0.35rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  color: var(--text-primary);
  transition: background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
}

.tag-pill__count {
  font-size: 0.7rem;
  opacity: 0.7;
}

.tag-pill.is-active {
  background: var(--text-primary);
  color: var(--bg-color);
}

.tag-pill.is-active .tag-pill__count {
  opacity: 0.9;
}

.tag-pill:hover,
.tag-pill:focus-visible {
  background: var(--text-primary);
  color: var(--bg-color);
}

.tag-pill:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.tag-pill--ghost {
  background: transparent;
  opacity: 0.7;
}

.tag-pill--ghost:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.blog-tag-link {
  text-decoration: none;
}

.blog-tag-link:hover,
.blog-tag-link:focus-visible {
  text-decoration: underline;
  text-decoration-color: var(--text-primary);
}

@media (width <= 720px) {
  .blog-tags__header {
    flex-direction: column;
    align-items: flex-start;
  }
}