.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-height);
  background-color: var(--color-paper);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-normal) var(--ease-out),
              background-color var(--duration-normal) var(--ease-out);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-header__logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
}

.site-header__logo a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.site-nav {
  display: none;
}

@media (min-width: 1024px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: clamp(20px, 2vw, 32px);
  }
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(16px, 1.5vw, 24px);
}

.site-nav__link {
  position: relative;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--color-text);
}

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
}

.language-switch {
  display: inline-flex;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  overflow: hidden;
}

.language-switch__link {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.language-switch__link[aria-current="true"],
.language-switch__link:hover {
  background-color: var(--color-text);
  color: var(--color-paper);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  margin-left: var(--space-3);
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}

.theme-toggle:hover {
  border-color: var(--color-text);
  background-color: var(--color-surface);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.theme-toggle__icon {
  width: 20px;
  height: 20px;
}

.theme-toggle__icon--sun {
  display: none;
}

.theme-toggle__icon--moon {
  display: block;
}

@media (max-width: 1023px) {
  .theme-toggle {
    margin-left: auto;
    margin-right: var(--space-3);
  }
}

.mobile-menu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  cursor: pointer;
}

@media (min-width: 1024px) {
  .mobile-menu-button {
    display: none;
  }
}

.mobile-menu-button__icon {
  position: relative;
  width: 20px;
  height: 14px;
}

.mobile-menu-button__icon span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out);
}

.mobile-menu-button__icon span:nth-child(1) { top: 0; }
.mobile-menu-button__icon span:nth-child(2) { top: 6px; }
.mobile-menu-button__icon span:nth-child(3) { bottom: 0; }

.mobile-menu-button[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-button[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-button[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-height-mobile) + var(--space-5)) var(--page-gutter) var(--space-5);
  padding-top: max(calc(var(--header-height-mobile) + var(--space-5)), env(safe-area-inset-top));
  padding-bottom: max(var(--space-5), env(safe-area-inset-bottom));
  background-color: var(--color-paper);
  visibility: hidden;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out),
              visibility 0s linear var(--duration-normal);
}

.mobile-menu.is-open {
  visibility: visible;
  transform: translateX(0);
  transition: transform var(--duration-normal) var(--ease-out),
              visibility 0s linear 0s;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: clamp(32px, 8vw, 48px);
  line-height: 1.1;
  min-height: 56px;
  display: inline-flex;
  align-items: center;
}

.mobile-menu__link[aria-current="page"] {
  color: var(--color-accent);
}

.mobile-menu__footer {
  margin-top: auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* When the menu is inert, prevent any accidental pointer events */
.mobile-menu[inert] {
  pointer-events: none;
}

.mobile-menu[inert] * {
  pointer-events: none;
}

/* Audio modal */
.audio-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--page-gutter);
  background-color: color-mix(in srgb, var(--color-void) 72%, transparent);
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out),
              visibility 0s linear var(--duration-normal);
}

.audio-modal.is-open {
  visibility: visible;
  opacity: 1;
  transition: opacity var(--duration-normal) var(--ease-out),
              visibility 0s linear 0s;
}

.audio-modal[hidden] {
  display: none;
}

.audio-modal[inert] {
  pointer-events: none;
}

.audio-modal[inert] * {
  pointer-events: none;
}

.audio-modal__backdrop {
  position: absolute;
  inset: 0;
}

.audio-modal__card {
  position: relative;
  width: min(100%, 520px);
  max-height: calc(100vh - 2 * var(--page-gutter));
  overflow-y: auto;
  padding: var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-medium);
  background-color: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
}

.audio-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}

.audio-modal__close:hover,
.audio-modal__close:focus-visible {
  border-color: var(--color-text);
  background-color: var(--color-paper);
}

.audio-modal__cover {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-small);
  overflow: hidden;
  margin-bottom: var(--space-5);
}

.audio-modal__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.audio-modal__info {
  text-align: center;
  margin-bottom: var(--space-5);
}

.audio-modal__meta {
  font-family: var(--font-mono);
  font-size: var(--text-meta);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.audio-modal__title {
  font-size: var(--text-h2);
  line-height: 1.15;
  font-weight: 500;
}

.audio-modal__player {
  margin-bottom: var(--space-5);
}

.audio-modal__tracklist-heading {
  font-size: var(--text-small);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

/* Cover trigger */
.audio-modal-trigger {
  position: relative;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  width: 100%;
}

.audio-modal-trigger::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: color-mix(in srgb, var(--color-void) 40%, transparent);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.audio-modal-trigger:hover::after,
.audio-modal-trigger:focus-visible::after {
  opacity: 1;
}

.audio-modal-trigger__icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-surface);
  color: var(--color-text);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.audio-modal-trigger__icon svg {
  width: 24px;
  height: 24px;
  margin-left: 2px;
}

.audio-modal-trigger:hover .audio-modal-trigger__icon,
.audio-modal-trigger:focus-visible .audio-modal-trigger__icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.05);
}

@media (max-width: 767px) {
  .audio-modal__card {
    padding: var(--space-5);
    width: 100%;
  }

  .audio-modal-trigger__icon {
    width: 56px;
    height: 56px;
  }

  .audio-modal-trigger__icon svg {
    width: 20px;
    height: 20px;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-small);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-surface);
}

.btn--primary:hover {
  background-color: color-mix(in srgb, var(--color-accent) 85%, black);
}

.btn--secondary {
  background-color: transparent;
  border-color: var(--color-line);
  color: var(--color-text);
}

.btn--secondary:hover {
  background-color: var(--color-surface);
  border-color: var(--color-text);
}

.btn--text {
  padding: 0;
  min-height: 44px;
  background: transparent;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-line);
  border-radius: 0;
}

.btn--text:hover {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  white-space: nowrap;
}

.status-tag--demo {
  color: var(--color-warning);
  border-color: color-mix(in srgb, var(--color-warning) 30%, transparent);
}

.status-tag--verified {
  color: var(--color-success);
  border-color: color-mix(in srgb, var(--color-success) 30%, transparent);
}

.status-tag--illustrative {
  color: var(--color-text-muted);
}

.status-tag--confidential {
  color: var(--color-error);
  border-color: color-mix(in srgb, var(--color-error) 30%, transparent);
}

.filter-bar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-block: var(--space-4);
  background-color: var(--color-paper);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  transition: var(--theme-transition);
}

@media (max-width: 1023px) {
  .filter-bar {
    top: calc(var(--header-height-mobile) + var(--space-3));
  }
}

.filter-bar--static {
  position: relative;
  top: auto;
}

.filter-chip {
  align-items: center;
  min-height: 44px;
  padding: 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
}

.filter-chip:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

.filter-chip[aria-pressed="true"] {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-paper);
}

.filter-chip[aria-pressed="true"]:hover {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-paper);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .filter-chip[aria-pressed="true"] {
    background-color: var(--color-surface);
    border-color: var(--color-line);
    color: var(--color-text);
  }
}

:root[data-theme="dark"] .filter-chip[aria-pressed="true"] {
  background-color: var(--color-surface);
  border-color: var(--color-line);
  color: var(--color-text);
}

.content-card {
  display: block;
  position: relative;
  transition: transform var(--duration-fast) var(--ease-out);
}

.content-card:hover {
  transform: translateY(-2px);
}

.content-card__media {
  position: relative;
  overflow: hidden;
  background-color: var(--color-line);
}

.content-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.content-card:hover .content-card__media img {
  transform: scale(1.02);
}

.content-card__body {
  padding-top: var(--space-4);
}

.content-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}

.content-card__kind {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.content-card__title {
  font-size: var(--text-h3);
  line-height: 1.25;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.content-card__excerpt {
  font-size: var(--text-small);
  line-height: 1.55;
  color: var(--color-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.content-card__arrow {
  position: absolute;
  bottom: 0;
  right: 0;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.content-card:hover .content-card__arrow {
  opacity: 1;
  transform: translate(0, 0);
}

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.section-label::before {
  content: "";
  width: 24px;
  height: 1px;
  background-color: currentColor;
}

.page-footer {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-line);
}

.page-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .page-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.page-footer__colophon {
  max-width: 40ch;
}

.page-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.page-footer__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-footer__link:hover {
  color: var(--color-accent);
}

@media (max-width: 1023px) {
  .site-header {
    height: var(--header-height-mobile);
  }
}