/* MWS RnD public site — shared shell, components and states (PT-15/PT-16).
   Owner: public-shell. Page layout lives in web/static/css/pages/<area>.css and is
   enabled through layout.PageMeta.ExtraCSS. Palette/type scale only via tokens.css. */

/* ------------------------------------------------------------------ base */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--anchor-offset);
  background: var(--color-bg);
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

h1,
h2,
h3,
h4,
p,
figure,
blockquote,
ul,
ol {
  margin: 0;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  margin: 0;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

:target {
  scroll-margin-top: var(--anchor-offset);
}

:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: var(--focus-w) solid var(--color-focus);
  outline-offset: var(--focus-offset);
  border-radius: 4px;
}

:focus:not(:focus-visible) {
  outline: none;
}

::selection {
  background: var(--color-selection);
  color: var(--color-ink);
}

/* ------------------------------------------------------------------ utilities */

.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;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--content-max));
  margin-inline: auto;
}

.site-main {
  display: block;
  padding-bottom: var(--section-y);
}

.site-main:focus {
  outline: none;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: var(--z-skip);
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-input);
  background: var(--color-ink);
  color: var(--color-bg);
  font-size: var(--text-button);
  font-weight: var(--weight-medium);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--dur-fast) var(--ease-standard);
}

.skip-link:focus {
  transform: translateY(0);
}

.skip-link:focus-visible {
  outline-color: var(--color-focus-inverse);
}

.icon {
  width: 24px;
  height: 24px;
  flex: none;
}

.icon--14 {
  width: 14px;
  height: 14px;
}

.icon--16 {
  width: 16px;
  height: 16px;
}

.icon--18 {
  width: 18px;
  height: 18px;
}

.icon--20 {
  width: 20px;
  height: 20px;
}

.icon--24 {
  width: 24px;
  height: 24px;
}

.media {
  display: block;
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
}

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

.media--broken {
  display: none;
}

/* ------------------------------------------------------------------ typography helpers */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-4);
  font-size: var(--text-eyebrow);
  font-weight: var(--weight-medium);
  line-height: 1.2;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--color-ink-2);
}

.eyebrow__dash {
  display: inline-block;
  width: 24px;
  height: 3px;
  background: var(--color-accent);
  flex: none;
}

.page-title {
  font-size: var(--text-page-title);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-title);
  letter-spacing: var(--ls-title);
  text-wrap: balance;
}

.page-header {
  padding-block: var(--space-10) var(--space-6);
}

.page-header__lead {
  max-width: 720px;
  margin-top: var(--space-6);
  font-size: var(--text-lead);
  line-height: 1.5;
  color: var(--color-ink-2);
}

.page-header__meta {
  margin-top: var(--space-4);
  font-size: var(--text-meta);
  color: var(--color-ink-3);
}

.meta {
  font-size: var(--text-meta);
  line-height: var(--lh-meta);
  color: var(--color-ink-2);
}

.demo-mark {
  display: inline-block;
  font-size: var(--text-caption);
  line-height: var(--lh-meta);
  color: var(--color-ink-3);
}

.archive-note {
  display: inline-flex;
  margin-top: var(--space-4);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: var(--border);
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.section {
  padding-top: var(--section-y);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.section-header__title {
  font-size: var(--text-h2);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-h2);
  letter-spacing: var(--ls-h2);
  text-wrap: balance;
  scroll-margin-top: var(--anchor-offset);
}

.bibliography-list {
  border-bottom: var(--border);
}

/* ------------------------------------------------------------------ demo banner */

.demo-banner {
  background: var(--color-banner-bg);
  color: var(--color-ink-2);
  font-size: var(--text-banner);
  line-height: 1.3;
}

.demo-banner__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--banner-h);
  padding-block: 4px;
  text-align: center;
}

.fixture-strip {
  padding: 6px 0;
  background: var(--color-surface);
  color: var(--color-ink-2);
  border-bottom: var(--border);
  font-size: var(--text-caption);
}

.fixture-strip .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
}

.fixture-strip__label {
  font-weight: var(--weight-semibold);
  color: var(--color-accent-ink);
}

.fixture-strip__meta {
  color: var(--color-ink-3);
}

/* ------------------------------------------------------------------ header */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  background: var(--color-bg);
  border-bottom: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 100%;
}

.wordmark {
  flex: none;
  font-size: 20px;
  font-weight: var(--weight-bold);
  letter-spacing: -0.01em;
  line-height: 1;
  text-decoration: none;
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-2);
  margin-inline: auto;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 6px;
  font-size: var(--text-nav);
  font-weight: var(--weight-medium);
  line-height: 1.2;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  text-decoration: underline;
  text-underline-offset: 6px;
}

.nav-link[aria-current="page"] {
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 44px;
  color: var(--color-ink-2);
  border-radius: var(--radius-input);
}

.nav-toggle:hover {
  background: var(--color-surface);
}

.nav-toggle[aria-expanded="true"] .icon {
  transform: rotate(180deg);
}

.nav-toggle .icon {
  transition: transform var(--dur-fast) var(--ease-standard);
}

.nav-panel {
  position: absolute;
  top: calc(100% + 17px);
  left: -8px;
  z-index: var(--z-menu);
  width: 560px;
  padding: 24px;
  background: var(--color-bg);
  border: var(--border);
  border-radius: var(--radius-tile);
  box-shadow: var(--shadow-menu);
}

.nav-panel__intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  font-size: 16px;
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.nav-panel__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: var(--border);
}

.nav-panel__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-bottom: var(--border);
  text-decoration: none;
}

.nav-panel__row:hover .nav-panel__row-title,
.nav-panel__row:focus-visible .nav-panel__row-title {
  text-decoration: underline;
}

.nav-panel__row-title {
  font-size: 16px;
  font-weight: var(--weight-medium);
  line-height: 1.3;
}

.nav-panel__row-description {
  font-size: var(--text-meta);
  line-height: 1.4;
  color: var(--color-ink-2);
}

.nav-panel__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding-top: 12px;
  font-size: var(--text-meta);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.nav-panel__footer:hover {
  text-decoration: underline;
}

.site-header__utility {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

.utility-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-nav);
  line-height: 1.2;
  color: var(--color-ink-2);
  text-decoration: none;
}

.utility-link:hover {
  color: var(--color-ink);
  text-decoration: underline;
}

.utility-link[aria-current="page"] {
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 6px;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.site-header__actions .site-header__cta {
  display: none;
}

.site-header__actions .site-header__menu {
  display: none;
}

.account {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
}

.account .account__desktop {
  display: none;
}

.account .account__mobile {
  display: none;
}

.account__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
}

.account__toggle:hover {
  background: var(--color-surface);
}

.account__name {
  display: none;
  font-size: var(--text-meta);
  font-weight: var(--weight-medium);
}

.account__panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: var(--z-menu);
  width: 240px;
  padding: 8px;
  background: var(--color-bg);
  border: var(--border);
  border-radius: var(--radius-tile);
  box-shadow: var(--shadow-menu);
}

.account__who {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 12px;
  border-bottom: var(--border);
  margin-bottom: 6px;
}

.account__who-name {
  font-size: var(--text-meta);
  font-weight: var(--weight-semibold);
  line-height: 1.3;
}

.account__item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 0 10px;
  border-radius: var(--radius-input);
  font-size: var(--text-nav);
  font-weight: var(--weight-medium);
  text-align: left;
  text-decoration: none;
}

.account__item:hover {
  background: var(--color-surface);
}

.account__caption {
  font-size: var(--text-caption);
  color: var(--color-ink-3);
  margin-left: auto;
}

.account__logout {
  display: block;
  border-top: var(--border);
  margin-top: 6px;
  padding-top: 6px;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-avatar);
  background: var(--color-avatar-bg);
  color: var(--color-ink);
  font-size: var(--text-meta);
  font-weight: var(--weight-semibold);
  line-height: 1;
}

.avatar--40 {
  width: 40px;
  height: 40px;
}

.avatar--32 {
  width: 32px;
  height: 32px;
  font-size: 13px;
}

@media (min-width: 1200px) {
  .site-nav {
    display: flex;
  }

  .site-header__utility {
    display: flex;
  }

  .site-header__actions .site-header__cta {
    display: inline-flex;
  }

  .site-header__actions .site-header__menu {
    display: none;
  }

  .account .account__desktop {
    display: inline-flex;
  }

  .account .account__mobile {
    display: none;
  }

  .account__name {
    display: none;
  }
}

@media (max-width: 1199px) {
  .site-header__inner {
    gap: 12px;
  }

  .site-header__actions {
    gap: 4px;
  }

  .js .site-header__actions .site-header__menu {
    display: inline-flex;
  }

  .js .account .account__mobile {
    display: inline-flex;
  }

  .account .account__mobile {
    display: none;
  }
}

/* ------------------------------------------------------------------ icon buttons */

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  text-decoration: none;
  background: transparent;
  transition: background-color var(--dur-fast) var(--ease-standard);
}

.icon-btn:hover {
  background: var(--color-surface);
}

/* ------------------------------------------------------------------ mobile menu */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  overflow-y: auto;
  background: var(--color-bg);
}

body.menu-open {
  overflow: hidden;
}

.mobile-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  margin-bottom: 8px;
}

.mobile-menu__close {
  background: var(--color-surface);
}

.mobile-menu__search {
  margin-bottom: 8px;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
}

.mobile-menu__group {
  border-bottom: var(--border);
}

.mobile-menu__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mobile-menu__link {
  display: flex;
  flex: 1;
  align-items: center;
  min-height: 56px;
  font-size: var(--text-nav);
  font-weight: var(--weight-medium);
  line-height: 1.2;
  text-decoration: none;
}

.mobile-menu__link[aria-current="page"],
.mobile-menu__link:hover {
  text-decoration: underline;
  text-underline-offset: 6px;
}

.mobile-menu__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
}

.mobile-menu__toggle[aria-expanded="true"] .icon {
  transform: rotate(180deg);
}

.mobile-menu__children {
  display: flex;
  flex-direction: column;
  padding: 0 0 12px;
}

.mobile-menu__child {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  color: var(--color-ink-2);
  text-decoration: none;
}

.mobile-menu__child:hover {
  color: var(--color-ink);
  text-decoration: underline;
}

.mobile-menu__account {
  display: flex;
  flex-direction: column;
  margin-top: 12px;
  padding-top: 8px;
  border-top: var(--border);
}

.mobile-menu__account-name {
  padding: 8px 0;
  font-size: var(--text-meta);
  font-weight: var(--weight-semibold);
}

.mobile-menu__account form {
  display: contents;
}

.mobile-menu__account .mobile-menu__link {
  min-height: 48px;
  font-size: 16px;
}

.mobile-menu__cta {
  justify-content: center;
  width: 100%;
  min-height: 48px;
  margin-top: auto;
  margin-bottom: 8px;
}

.nojs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding-block: 12px 16px;
  border-bottom: var(--border);
}

.nojs-nav__title {
  width: 100%;
  font-size: var(--text-caption);
  color: var(--color-ink-3);
}

.nojs-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-nav);
}

.nojs-nav__link--sub {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

/* ------------------------------------------------------------------ breadcrumbs */

.breadcrumbs {
  min-height: 40px;
  display: flex;
  align-items: center;
}

.breadcrumbs__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0;
  font-size: var(--text-caption);
  line-height: 1.4;
  color: var(--color-ink-2);
}

.breadcrumbs__link {
  color: var(--color-ink-2);
  text-decoration: none;
}

.breadcrumbs__link:hover {
  color: var(--color-ink);
  text-decoration: underline;
}

.breadcrumbs__sep {
  margin: 0 8px;
  color: var(--color-ink-3);
}

.breadcrumbs__current {
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

/* ------------------------------------------------------------------ buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border: var(--border-w) solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: var(--text-button);
  font-weight: var(--weight-medium);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}

.button--primary {
  background: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}

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

.button--primary:focus-visible,
.button--primary:focus-visible .icon {
  outline-color: var(--color-focus-inverse);
}

.button--secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

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

.button--text {
  min-height: 44px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--color-ink);
}

.button--text:hover {
  text-decoration: underline;
}

.button--cta {
  min-height: 40px;
  padding: 0 18px;
  font-size: var(--text-meta);
  font-weight: var(--weight-medium);
}

.button[aria-disabled="true"],
.button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: var(--text-button);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}

.arrow-link:hover {
  color: var(--color-accent-ink);
}

.arrow-link:hover .icon {
  transform: translateX(2px);
}

.arrow-link .icon {
  transition: transform var(--dur-fast) var(--ease-standard);
}

.arrow-link--muted {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

/* ------------------------------------------------------------------ pills */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 12px;
  border: var(--border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  font-size: var(--text-pill);
  font-weight: var(--weight-medium);
  line-height: 1.1;
  white-space: nowrap;
  max-width: 100%;
}

.pill--stage {
  border-color: var(--color-border-strong);
}

.pill__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-avatar);
  background: var(--color-accent);
  flex: none;
}

.pill--availability {
  border-color: var(--color-border-strong);
  background: transparent;
}

.pill--archive {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-ink-2);
}

.pill--demo {
  background: var(--color-surface-blue);
  border-color: var(--color-chart-baseline);
  color: var(--color-ink);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: var(--color-chip-active-bg);
  color: var(--color-bg);
  font-size: var(--text-pill);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.chip:hover {
  opacity: 0.85;
}

/* Dark surfaces (primary button, active chip, current page, skip link) use the
   inverse coral ring: ink on ink would be invisible (§8). */
.chip:focus-visible,
.pagination__page--current:focus-visible,
.account__item:focus-visible {
  outline-color: var(--color-focus-inverse);
}

/* ------------------------------------------------------------------ search field */

.search-field {
  margin-bottom: var(--space-6);
}

.search-field__frame {
  position: relative;
  display: flex;
  align-items: center;
}

.search-field__icon {
  position: absolute;
  left: 16px;
  display: inline-flex;
  color: var(--color-ink-3);
  pointer-events: none;
}

.search-field__input {
  width: 100%;
  height: 56px;
  padding: 0 130px 0 48px;
  border: var(--border-control);
  border-radius: var(--radius-input);
  background: var(--color-bg);
  font-size: var(--text-body-s);
}

.search-field__input::placeholder {
  color: var(--color-ink-3);
}

.search-field__input:focus-visible {
  outline: var(--focus-w) solid var(--color-focus);
  outline-offset: var(--focus-offset);
}

.search-field__submit {
  position: absolute;
  right: 8px;
  min-height: 40px;
  padding: 0 20px;
  font-size: var(--text-meta);
}

@media (max-width: 767px) {
  .search-field__input {
    height: 48px;
    padding-right: 104px;
  }

  .search-field__submit {
    min-height: 36px;
    padding: 0 14px;
  }
}

/* ------------------------------------------------------------------ media frames */

.media__img--card {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
}

.media__img--thumb {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-thumb);
}

/* ------------------------------------------------------------------ article card (H02) */

.article-card__link {
  display: block;
  text-decoration: none;
}

.article-card__media {
  display: block;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
}

.article-card__link:hover .article-card__title {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-card__body {
  display: block;
  padding-top: 16px;
}

.article-card__meta {
  margin-bottom: 8px;
}

.article-card__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-card);
}

.article-card__summary {
  margin-top: 8px;
  font-size: var(--text-body-s);
  line-height: 1.5;
  color: var(--color-ink-2);
}

/* ------------------------------------------------------------------ project cards (H03/C05) */

.project-card__link {
  display: block;
  text-decoration: none;
}

.project-card__media {
  display: block;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.project-card__body {
  padding-top: 16px;
}

.project-card__title {
  display: block;
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-card);
}

.project-card__link:hover .project-card__title {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.project-card__summary {
  margin-top: 8px;
  font-size: var(--text-body-s);
  line-height: 1.5;
  color: var(--color-ink-2);
}

.project-card__meta {
  margin-top: 12px;
  font-size: var(--text-caption);
  color: var(--color-ink-3);
}

.project-card--large .project-card__title {
  font-size: clamp(24px, 1.95vw, 28px);
}

.project-card--compact .project-card__title {
  font-size: clamp(20px, 1.53vw, 22px);
}

.project-card--compact .project-card__summary {
  font-size: 15px;
}

.project-card--row .project-card__link {
  display: grid;
  grid-template-columns: var(--row-card-media-w) minmax(0, 1fr) 24px;
  gap: 24px;
  align-items: start;
  padding: 16px;
  background: var(--color-surface);
  border: var(--border);
  border-radius: var(--radius-card);
  transition: border-color var(--dur-fast) var(--ease-standard);
}

.project-card--row .project-card__link:hover {
  border-color: var(--color-ink-2);
}

.project-card--row .project-card__media {
  border-radius: var(--radius-thumb);
}

.project-card--row .project-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}

.project-card--row .project-card__rowhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.project-card--row .project-card__title {
  font-size: var(--text-h3);
}

.project-card--row .project-card__arrow {
  color: var(--color-ink);
}

.project-card__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

@media (max-width: 767px) {
  .project-card--row .project-card__link {
    grid-template-columns: var(--row-card-media-mobile-w) minmax(0, 1fr);
    gap: 12px;
    padding: 12px;
  }

  .project-card--row .project-card__rowhead .project-card__arrow {
    display: none;
  }

  .project-card--row .project-card__title {
    font-size: 20px;
  }

  .project-card--row .project-card__summary {
    font-size: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .project-card--row .project-card__pills {
    min-width: 0;
  }

  .project-card--row .pill {
    height: auto;
    min-height: 28px;
    padding: 4px 12px;
    white-space: normal;
    text-align: left;
  }
}

/* ------------------------------------------------------------------ direction card (H04) */

.direction-card {
  position: relative;
  padding-top: 24px;
  border-top: var(--border);
}

.direction-card__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-card);
  padding-right: 32px;
}

.direction-card__link {
  text-decoration: none;
}

.direction-card__link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.direction-card__summary {
  margin-top: 8px;
  font-size: var(--text-body-s);
  line-height: 1.5;
  color: var(--color-ink-2);
}

.direction-card__meta {
  margin-top: 12px;
  font-size: var(--text-caption);
  color: var(--color-ink-3);
}

.direction-card__arrow {
  position: absolute;
  right: 0;
  bottom: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-ink);
  border-radius: var(--radius-pill);
}

.direction-card__arrow:hover {
  background: var(--color-surface);
}

/* ------------------------------------------------------------------ bibliography row */

.bibliography-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--bibliography-meta-w) auto;
  gap: 24px;
  align-items: start;
  padding: var(--row-pad-y) 0;
  border-top: var(--border);
}

.bibliography-row__meta-col {
  min-width: 0;
}

.bibliography-row__meta {
  font-size: var(--text-meta);
  line-height: var(--lh-meta);
  color: var(--color-ink-2);
}

.bibliography-row__title {
  font-size: var(--text-bib-title);
  font-weight: var(--weight-medium);
  line-height: 1.3;
}

.bibliography-row__link {
  text-decoration: none;
}

.bibliography-row__link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.bibliography-row__type {
  margin-top: 8px;
  font-size: var(--text-meta);
  color: var(--color-ink-3);
}

.bibliography-row__main .pill {
  margin-top: 8px;
}

.bibliography-row__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bibliography-row__pdf {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 8px;
  font-size: var(--text-meta);
  font-weight: var(--weight-medium);
  text-decoration: none;
  border-radius: var(--radius-input);
}

.bibliography-row__pdf:hover {
  background: var(--color-surface);
}

.bibliography-row__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  min-height: 44px;
  color: var(--color-ink);
}

.prose .table-scroll {
  max-width: 100%;
  margin: 20px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.prose .table-scroll table {
  min-width: 520px;
}

@media (max-width: 767px) {
  .bibliography-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 0;
  }

  .bibliography-row__meta-col {
    order: -1;
  }

  .bibliography-row__actions {
    margin-top: 4px;
  }

  .bibliography-row__arrow {
    display: none;
  }
}

/* ------------------------------------------------------------------ person / resource / vacancy rows */

.people-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.person-chip {
  display: flex;
  align-items: center;
  gap: 12px;
}

.person-chip__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.person-chip__name {
  font-size: 16px;
  font-weight: var(--weight-medium);
  line-height: 1.3;
  text-decoration: none;
}

.person-chip__name:hover {
  text-decoration: underline;
}

.person-chip__role {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.person-chip__former {
  font-size: var(--text-caption);
  color: var(--color-ink-3);
}

@media (max-width: 767px) {
  .people-row {
    flex-direction: column;
    gap: 16px;
  }
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.resource-tile {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  border: var(--border);
  border-radius: var(--radius-tile);
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease-standard);
}

.resource-tile:hover {
  border-color: var(--color-ink-2);
}

.resource-tile__icon {
  display: inline-flex;
  color: var(--color-ink);
}

.resource-tile__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.resource-tile__title {
  font-size: 18px;
  font-weight: var(--weight-semibold);
  line-height: 1.3;
}

.resource-tile__text {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.resource-tile__arrow {
  color: var(--color-ink);
}

.vacancy-list {
  display: flex;
  flex-direction: column;
}

.vacancy-row {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  padding: 8px 0;
  border-top: var(--border);
  text-decoration: none;
}

.vacancy-row__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 2px;
}

.vacancy-row__title {
  font-size: 16px;
  font-weight: var(--weight-medium);
}

.vacancy-row__meta {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-row {
  display: grid;
  grid-template-columns: var(--row-card-media-mobile-w) minmax(0, 1fr) 20px;
  gap: 16px;
  align-items: center;
  padding: 12px;
  border: var(--border);
  border-radius: var(--radius-tile);
  text-decoration: none;
}

.related-row:hover {
  border-color: var(--color-ink-2);
}

.related-row__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.related-row__title {
  font-size: 18px;
  font-weight: var(--weight-medium);
  line-height: 1.3;
}

.related-row__text {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ------------------------------------------------------------------ prose */

.prose {
  font-size: var(--text-body);
  line-height: var(--lh-article);
  max-width: 66ch;
}

.prose > * + * {
  margin-top: var(--space-6);
}

.prose p {
  margin: 0;
}

.prose h2 {
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  font-size: var(--text-article-h2);
  font-weight: var(--weight-semibold);
  line-height: 1.15;
  scroll-margin-top: var(--anchor-offset);
}

.prose h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  scroll-margin-top: var(--anchor-offset);
}

.prose > h2:first-child,
.prose > h3:first-child {
  margin-top: 0;
}

.prose ul,
.prose ol {
  padding-left: 24px;
}

.prose li + li {
  margin-top: 8px;
}

.prose a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose a:hover {
  text-decoration-color: var(--color-accent-ink);
}

.prose strong {
  font-weight: var(--weight-semibold);
}

.prose em {
  font-style: italic;
}

.prose blockquote {
  border-left: 2px solid var(--color-accent);
  padding-left: 20px;
  font-size: var(--text-body);
  line-height: 1.6;
}

.prose code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: var(--text-code);
}

.prose pre {
  padding: 16px 20px;
  border-radius: var(--radius-thumb);
  background: var(--color-code-bg);
  color: var(--color-code-text);
  font-family: var(--font-mono);
  font-size: var(--text-code);
  line-height: 1.6;
  overflow-x: auto;
  tab-size: 2;
  max-width: 100%;
}

.prose pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.prose .language-math {
  white-space: pre-wrap;
  color: var(--color-code-key);
}

/* Long-form tables scroll locally instead of stretching the document: the table box is
   a block with its own overflow, and cells keep their intrinsic width (nowrap) so the
   horizontal scrollbar appears inside the table, never on the page (X13/A06). */
.prose table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: var(--text-body-s);
  -webkit-overflow-scrolling: touch;
}

.prose th,
.prose td {
  padding: 10px 12px;
  border-bottom: var(--border);
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.prose th {
  font-weight: var(--weight-semibold);
  color: var(--color-ink-2);
  border-bottom-color: var(--color-border-strong);
}

.prose img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-thumb);
}

.prose figure {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.prose figcaption {
  margin-top: 8px;
  font-size: var(--text-caption);
  line-height: 1.4;
  color: var(--color-ink-2);
}

.prose--article {
  max-width: 66ch;
}

.prose--project,
.prose--direction,
.prose--about {
  max-width: 720px;
}

/* ------------------------------------------------------------------ minute columns (P03) */

.minute__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: var(--space-6);
}

.minute__col {
  border-top: var(--border);
  padding-top: 20px;
}

.minute__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  margin-bottom: 8px;
}

.minute__text {
  font-size: var(--text-body);
  line-height: 1.55;
  color: var(--color-ink-2);
}

@media (max-width: 767px) {
  .minute__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .minute__text {
    font-size: var(--text-body-s);
  }
}

/* ------------------------------------------------------------------ evidence */

.evidence__card {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 24px;
  padding: 32px;
  border: var(--border);
  border-radius: var(--radius-panel);
  background: var(--color-bg);
}

.evidence__values {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-top: var(--border);
  padding-top: 20px;
}

.evidence__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 16px;
  align-items: baseline;
}

.evidence__claim {
  font-size: var(--text-body-s);
  font-weight: var(--weight-medium);
}

.evidence__number {
  font-size: var(--text-body-s);
  font-weight: var(--weight-semibold);
  font-variant-numeric: tabular-nums;
}

.evidence__track {
  position: relative;
  grid-column: 1 / -1;
  display: block;
  height: 8px;
  border-radius: var(--radius-pill);
  background: #E9EDF2;
  overflow: hidden;
}

.evidence__fill {
  position: absolute;
  inset: 0 auto 0 0;
  display: block;
  border-radius: var(--radius-pill);
  background: var(--color-chart-baseline);
}

.evidence__fill--variant {
  background: var(--color-chart-variant);
}

.evidence__note {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--text-meta);
  line-height: 1.4;
  color: var(--color-ink-2);
}

.evidence__demo {
  font-size: var(--text-meta);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
}

.evidence__conditions,
.evidence__date {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

@media (max-width: 767px) {
  .evidence__card {
    grid-template-columns: 1fr;
    padding: 20px;
  }
}

/* ------------------------------------------------------------------ demo panel */

.demo__note {
  margin-bottom: 12px;
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.demo__panel {
  padding: 24px;
  border: var(--border);
  border-radius: var(--radius-panel);
  background: var(--color-bg);
}

.demo__tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  overflow-x: auto;
  max-width: 100%;
}

.demo__tab {
  flex: none;
  min-height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: var(--weight-medium);
  white-space: nowrap;
}

.demo__tab--active {
  background: var(--color-avatar-bg);
}

.demo__body {
  display: grid;
  grid-template-columns: 46% 54%;
  gap: 24px;
  margin-top: 24px;
}

.demo__document,
.demo__result {
  min-width: 0;
}

.demo__label {
  margin-bottom: 8px;
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.demo__card {
  min-height: 160px;
  margin: 0;
  padding: 16px;
  border: var(--border);
  border-radius: var(--radius-thumb);
  font-family: var(--font-mono);
  font-size: var(--text-code);
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--color-bg);
}

.demo__fields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.demo__field {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.demo__field-name {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.demo__field-value {
  padding: 2px 6px;
  border-radius: 4px;
  background: #FDE9E7;
  color: var(--color-accent-ink);
  font-size: var(--text-meta);
  font-weight: var(--weight-medium);
}

.demo__json {
  min-height: 160px;
  margin: 0;
  padding: 16px;
  border-radius: var(--radius-thumb);
  background: var(--color-code-bg);
  color: var(--color-code-text);
  font-family: var(--font-mono);
  font-size: var(--text-code);
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.demo__hint {
  margin-top: 16px;
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.demo__run {
  margin-top: 16px;
}

.demo__error {
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-tile);
  background: var(--color-danger-bg);
  color: var(--color-danger);
  font-size: var(--text-body-s);
}

.demo__meta-note {
  margin-top: 12px;
  font-size: var(--text-caption);
  color: var(--color-ink-3);
}

@media (max-width: 767px) {
  .demo__body {
    grid-template-columns: 1fr;
  }

  .demo__panel {
    padding: 16px;
  }
}

/* ------------------------------------------------------------------ toc */

.toc {
  position: sticky;
  top: var(--anchor-offset-subnav);
  max-height: calc(100vh - var(--anchor-offset-subnav) - 24px);
  overflow-y: auto;
}

.toc__title {
  font-size: var(--text-meta);
  font-weight: var(--weight-semibold);
  color: var(--color-ink-2);
  margin-bottom: 8px;
}

.toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc__item {
  margin: 0;
}

.toc__item--sub {
  padding-left: 12px;
}

.toc__link {
  display: block;
  padding: 8px 0 8px 12px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--color-ink-2);
  text-decoration: none;
  border-left: 2px solid transparent;
}

.toc__link:hover {
  color: var(--color-ink);
}

.toc__link--active,
.toc__link[aria-current="true"] {
  color: var(--color-ink);
  font-weight: var(--weight-medium);
  border-left-color: var(--color-accent);
}

.toc--details {
  margin-bottom: var(--space-6);
  border: var(--border);
  border-radius: var(--radius-tile);
  padding: 0 16px;
}

.toc__summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 16px;
  font-weight: var(--weight-medium);
  cursor: pointer;
  list-style: none;
}

.toc__summary::-webkit-details-marker {
  display: none;
}

.toc--details .toc__list {
  padding-bottom: 12px;
}

/* ------------------------------------------------------------------ anchor nav */

.anchor-nav {
  position: sticky;
  top: var(--header-h);
  z-index: calc(var(--z-header) - 1);
  height: 56px;
  background: var(--color-bg);
  border-bottom: var(--border);
}

.anchor-nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  height: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.anchor-nav__inner::-webkit-scrollbar {
  display: none;
}

.anchor-nav__link {
  flex: none;
  display: inline-flex;
  align-items: center;
  height: 100%;
  font-size: 16px;
  font-weight: var(--weight-medium);
  color: var(--color-ink-2);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.anchor-nav__link:hover {
  color: var(--color-ink);
}

.anchor-nav__link--active,
.anchor-nav__link[aria-current="true"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}

@media (max-width: 767px) {
  /* Guest account menu: a 240px panel squeezed "По приглашению" into two lines
     under the account icon. Widen within the viewport and keep the caption on one line. */
  .account__panel {
    width: min(272px, calc(100vw - 48px));
  }

  .account__caption {
    flex: none;
    white-space: nowrap;
  }

  .account__item {
    white-space: nowrap;
  }

  .anchor-nav {
    height: auto;
  }

  /* Wrap instead of a silently clipped horizontal strip: the last section label
     must stay readable on narrow phones. */
  .anchor-nav__inner {
    flex-wrap: wrap;
    gap: 0 20px;
    height: auto;
    padding-block: 2px;
    overflow-x: visible;
  }

  .anchor-nav__link {
    height: 40px;
    font-size: 15px;
  }

  .project-card--row .project-card__summary {
    -webkit-line-clamp: 3;
  }

  /* Titles before author/venue: the catalogue's date-first row reads backwards in a
     narrow one-column list. */
  .bibliography-row__meta-col {
    order: 0;
  }
}

@media (max-width: 360px) {
  .account__panel {
    width: min(240px, calc(100vw - 32px));
  }

  .account__caption {
    display: none;
  }

  .project-card--row .project-card__link {
    grid-template-columns: 76px minmax(0, 1fr) 18px;
    gap: 10px;
    padding: 12px;
  }

  .project-card--row .project-card__summary {
    overflow-wrap: anywhere;
  }

  .related-row {
    grid-template-columns: 88px minmax(0, 1fr) 18px;
    gap: 12px;
    padding: 10px;
  }

  .related-row__text {
    overflow-wrap: anywhere;
  }
}

/* ------------------------------------------------------------------ filters */

.catalog-layout {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-top: var(--space-8);
}

.filter-rail {
  display: flex;
  flex-direction: column;
}

.filter-group {
  border-top: var(--border);
}

.filter-group__summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 16px;
  font-weight: var(--weight-semibold);
  cursor: pointer;
  list-style: none;
}

.filter-group__summary::-webkit-details-marker {
  display: none;
}

.filter-group__options {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 4px;
  font-size: 15px;
  color: var(--color-ink-2);
  text-decoration: none;
  border-radius: 4px;
}

.filter-option:hover {
  background: var(--color-surface);
  color: var(--color-ink);
}

.filter-option--selected {
  color: var(--color-ink);
  font-weight: var(--weight-medium);
}

.filter-option__mark {
  width: 16px;
  height: 16px;
  border: var(--border-strong);
  border-radius: var(--radius-avatar);
  flex: none;
}

.filter-option--selected .filter-option__mark {
  border: 4px solid var(--color-ink);
}

.filter-option--archive {
  margin-bottom: 12px;
}

.filter-option__mark--checkbox {
  border-radius: 4px;
}

.filter-option--archive.filter-option--selected .filter-option__mark--checkbox {
  background: var(--color-ink);
  border-color: var(--color-ink);
  position: relative;
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-4);
}

.active-filters__count {
  font-size: var(--text-meta);
  color: var(--color-ink-2);
}

.active-filters__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.active-filters__reset {
  font-size: var(--text-meta);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.active-filters__reset:hover {
  text-decoration: underline;
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (max-width: 1199px) {
  .catalog-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ------------------------------------------------------------------ pagination */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: var(--space-10);
}

.pagination__page,
.pagination__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: var(--border);
  border-radius: var(--radius-pill);
  font-size: var(--text-meta);
  font-weight: var(--weight-medium);
  text-decoration: none;
}

.pagination__page:hover,
.pagination__step:hover {
  background: var(--color-surface);
}

.pagination__page--current {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-bg);
}

@media (max-width: 767px) {
  .pagination {
    gap: 4px;
  }

  .pagination__page,
  .pagination__step {
    width: 40px;
    height: 40px;
  }
}

/* ------------------------------------------------------------------ empty / error states */

.empty-state,
.error-state {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  max-width: 560px;
  padding: 48px 0;
}

.empty-state__title,
.error-state__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
}

.empty-state__text,
.error-state__text {
  max-width: 52ch;
  font-size: var(--text-body-s);
  color: var(--color-ink-2);
}

.error-state__title {
  color: var(--color-danger);
}

.empty-state__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.error-page {
  padding-top: var(--space-24);
}

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-8);
}

.form-error {
  font-size: var(--text-meta);
  color: var(--color-danger);
}

/* ------------------------------------------------------------------ forms */

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: var(--space-6);
  max-width: 560px;
}

.form-row .field {
  max-width: none;
}

.field__label {
  font-size: var(--text-meta);
  font-weight: var(--weight-semibold);
  color: var(--color-ink);
}

.field__required {
  margin-left: 4px;
  color: var(--color-accent-ink);
}

.field__input {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: var(--border-control);
  border-radius: var(--radius-input);
  background: var(--color-bg);
  font-size: var(--text-body-s);
  line-height: 1.4;
}

.field__input::placeholder {
  color: var(--color-ink-3);
}

.field__input--area {
  min-height: 160px;
  resize: vertical;
}

.field__input--select {
  appearance: none;
  padding-right: 40px;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-ink-2) 50%), linear-gradient(135deg, var(--color-ink-2) 50%, transparent 50%);
  background-position: calc(100% - 20px) 22px, calc(100% - 14px) 22px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.field__input:focus-visible {
  outline: var(--focus-w) solid var(--color-focus);
  outline-offset: var(--focus-offset);
}

.field--invalid .field__input {
  border-color: var(--color-danger);
}

.field__hint {
  font-size: var(--text-caption);
  color: var(--color-ink-3);
}

.field__error {
  font-size: var(--text-meta);
  color: var(--color-danger);
}

.field--checkbox {
  max-width: 640px;
}

.field__checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--text-meta);
  line-height: 1.5;
  cursor: pointer;
}

.field__checkbox {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  flex: none;
  accent-color: var(--color-ink);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-6);
}

.form-notice {
  padding: 12px 16px;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-tile);
  background: var(--color-surface);
  font-size: var(--text-body-s);
  color: var(--color-ink-2);
}

.form-notice--danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

@media (max-width: 767px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* ------------------------------------------------------------------ footer + CTA band */

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding-block: var(--space-8);
  border-top: var(--border);
  border-bottom: var(--border);
}

.cta-band__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-card);
}

.cta-band__text-body {
  max-width: 60ch;
  margin-top: 8px;
  font-size: var(--text-body-s);
  color: var(--color-ink-2);
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}

.cta-band__collab {
  color: var(--color-accent-ink);
}

.cta-band__collab:hover {
  color: var(--color-accent-ink);
}

.site-footer {
  background: var(--color-bg);
}

.site-footer__groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
  padding-block: var(--space-12) var(--space-10);
}

.site-footer__title {
  margin-bottom: var(--space-3);
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-2);
}

.site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 15px;
  line-height: 1.9;
  text-decoration: none;
}

.site-footer__link:hover {
  text-decoration: underline;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 24px;
  border-top: var(--border);
}

.wordmark--footer {
  font-size: 16px;
}

.site-footer__note {
  font-size: var(--text-caption);
  color: var(--color-ink-3);
}

@media (max-width: 767px) {
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
    padding-block: 24px;
  }

  .site-footer__groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    padding-block: 32px 24px;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ------------------------------------------------------------------ misc */

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding: var(--space-8);
  border-radius: var(--radius-panel);
  background: linear-gradient(135deg, var(--color-surface-blue) 0%, var(--color-surface-blue-end) 100%);
}

.cta-panel__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-card);
}

.cta-panel__body {
  max-width: 60ch;
  margin-top: 8px;
  font-size: var(--text-body-s);
  color: var(--color-ink-2);
}

@media (max-width: 767px) {
  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
  }
}

/* ---------------------------------------------------------------- ambient hero art
 *
 * Decorative animated orbit field for editorial heroes (research overview, person
 * profile, focus-area visual). CSS/SVG only, hidden from assistive tech and disabled
 * for reduced-motion users. It echoes the light MWS palette, not reference imagery.
 */

.ambient-art {
  position: absolute;
  z-index: 0;
  width: 520px;
  aspect-ratio: 1;
  color: #8ea9c9;
  pointer-events: none;
}

.ambient-art__svg {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
}

.ambient-art__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(52px);
  opacity: 0.7;
  animation: ambient-drift 18s ease-in-out infinite alternate;
}

.ambient-art__glow--a {
  inset: 10% 22% 36% 6%;
  background: radial-gradient(circle, #d7e8fc 0%, transparent 70%);
}

.ambient-art__glow--b {
  inset: 38% 4% 12% 38%;
  background: radial-gradient(circle, #e8f1fd 0%, transparent 70%);
  animation-delay: -9s;
}

.ambient-art__svg {
  animation: ambient-breathe 14s ease-in-out infinite alternate;
}

.ambient-art__orbit {
  transform-origin: 260px 260px;
  animation: ambient-spin 64s linear infinite;
}

.ambient-art__orbit--b {
  animation-duration: 46s;
  animation-direction: reverse;
}

.ambient-art__orbit--c {
  animation-duration: 34s;
}

.ambient-art__node {
  transform-box: fill-box;
  transform-origin: center;
  animation: ambient-pulse 6s ease-in-out infinite;
}

.ambient-art__node--b {
  animation-delay: -2.4s;
}

.ambient-art__node--c {
  animation-delay: -4.1s;
}

.ambient-art__arc {
  stroke-dasharray: 3 10;
  animation: ambient-dash 16s linear infinite;
}

@keyframes ambient-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes ambient-pulse {
  0%,
  100% {
    opacity: 0.4;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
    transform: scale(1.3);
  }
}

@keyframes ambient-dash {
  to {
    stroke-dashoffset: -130;
  }
}

@keyframes ambient-breathe {
  from {
    transform: scale(0.985);
  }
  to {
    transform: scale(1.025);
  }
}

@keyframes ambient-drift {
  from {
    transform: translate3d(-2%, 1%, 0) scale(0.96);
  }
  to {
    transform: translate3d(3%, -2%, 0) scale(1.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ambient-art *,
  .ambient-art *::before,
  .ambient-art *::after {
    animation: none !important;
  }
}

/* Ambient orbit field in the whitespace of editorial page headers. */
.about-page,
.contact-page,
.privacy-page {
  position: relative;
  isolation: isolate;
}

.page-ambient {
  top: -16px;
  right: 0;
  width: min(30vw, 400px);
  opacity: 0.55;
}

.about-page > :not(.ambient-art),
.contact-page > :not(.ambient-art),
.privacy-page > :not(.ambient-art) {
  position: relative;
  z-index: 1;
}

@media (max-width: 1100px) {
  .page-ambient {
    display: none;
  }
}

/* ---------------------------------------------------------------- MWS motif panels
 *
 * Decorative animated panels for editorial whitespace. Brand vocabulary: frosted white
 * surfaces, thin blue-grey technical lines, one MWS red accent. No text, no pointer
 * interaction, no layout dependency; all motion stops under prefers-reduced-motion.
 */

.mws-motif {
  position: relative;
  aspect-ratio: 4 / 3;
  min-height: 240px;
  overflow: hidden;
  border: var(--border);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(90% 80% at 22% 18%, #ffffff 0%, transparent 58%),
    linear-gradient(150deg, #fbfcfd 0%, #f0f4f8 55%, #e7edf4 100%);
  isolation: isolate;
}

.mws-motif__grid {
  position: absolute;
  inset: 0;
  opacity: 0.55;
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 50% 45%, #000 20%, transparent 78%);
}

/* --- strata: floating frosted panels with one red accent (MWS product language) --- */

.mws-motif__floor {
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 12%;
  height: 18%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(15, 23, 42, 0.12), transparent 70%);
  filter: blur(10px);
}

.mws-strata__card {
  --rot: -10deg;
  position: absolute;
  width: 52%;
  height: 40%;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  background: linear-gradient(145deg, #ffffff 0%, #f5f8fb 52%, #e4ebf3 100%);
  box-shadow:
    0 24px 44px rgba(15, 23, 42, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  animation: mws-strata-float 9s ease-in-out infinite alternate;
}

.mws-strata__card--back {
  left: 11%;
  top: 40%;
  --rot: -15deg;
  animation-delay: -1.8s;
}

.mws-strata__card--mid {
  left: 29%;
  top: 30%;
  --rot: -7deg;
  animation-delay: -3.8s;
}

.mws-strata__card--front {
  left: 44%;
  top: 46%;
  --rot: 6deg;
  animation-delay: -5.8s;
}

.mws-strata__accent {
  position: absolute;
  left: 17%;
  right: 17%;
  top: 27%;
  height: 23%;
  border-radius: 8px;
  background: linear-gradient(120deg, var(--color-accent) 0%, #ff7b72 100%);
  box-shadow: 0 10px 22px rgba(243, 75, 67, 0.28);
}

.mws-strata__dot {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-ink-2);
  opacity: 0.5;
  animation: mws-node-pulse 5s ease-in-out infinite;
}

.mws-strata__dot--a {
  right: 17%;
  top: 22%;
}

.mws-strata__dot--b {
  left: 18%;
  bottom: 20%;
  width: 5px;
  height: 5px;
  animation-delay: -2.4s;
}

/* --- signal: technical waveform, scan line and pulsing points --- */

.mws-signal__svg {
  position: absolute;
  inset: 14% 0 10%;
  width: 100%;
  height: 76%;
}

.mws-signal__line {
  stroke: #8ea9c9;
  stroke-width: 1.6;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 5 9;
  animation: mws-signal-flow 12s linear infinite;
}

.mws-signal__line--b {
  stroke-opacity: 0.55;
  animation-duration: 16s;
  animation-direction: reverse;
}

.mws-signal__line--c {
  stroke-opacity: 0.35;
  animation-duration: 20s;
}

.mws-signal__pulse {
  fill: var(--color-accent);
  animation: mws-node-pulse 4.6s ease-in-out infinite;
}

.mws-signal__pulse--b {
  animation-delay: -2.1s;
}

.mws-signal__scan {
  position: absolute;
  top: 14%;
  bottom: 14%;
  width: 2px;
  background: linear-gradient(to bottom, transparent, rgba(243, 75, 67, 0.55), transparent);
  animation: mws-scan 8s ease-in-out infinite;
}

.mws-signal__accent {
  position: absolute;
  left: 10%;
  bottom: 13%;
  width: 34px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-accent);
}

/* --- grid: pulsing dot matrix with two red cells --- */

.mws-motif--grid {
  display: grid;
  place-items: center;
}

.mws-grid__cells {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  width: 58%;
}

.mws-grid__cell {
  width: 9px;
  height: 9px;
  margin-inline: auto;
  border-radius: 50%;
  background: #8ea9c9;
  opacity: 0.55;
  animation: mws-grid-pulse 4.6s ease-in-out infinite;
}

.mws-grid__cell:nth-child(3n) {
  animation-delay: -1.2s;
}

.mws-grid__cell:nth-child(4n) {
  animation-delay: -2.4s;
}

.mws-grid__cell:nth-child(7),
.mws-grid__cell:nth-child(19) {
  width: 13px;
  height: 13px;
  background: var(--color-accent);
  animation-name: mws-grid-accent;
}

.mws-grid__accent {
  position: absolute;
  right: 14%;
  bottom: 16%;
  width: 44px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-red, var(--color-accent));
  opacity: 0.7;
}

/* --- beam: a portal frame with a moving light sweep (distinct from strata cards) --- */

.mws-motif--beam {
  display: grid;
  place-items: center;
}

.mws-beam__frame {
  position: absolute;
  border-radius: 26px;
  border: 1px solid rgba(15, 23, 42, 0.1);
}

.mws-beam__frame--outer {
  inset: 16% 12%;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.86), rgba(232, 239, 247, 0.7));
  box-shadow:
    0 22px 48px rgba(15, 23, 42, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  animation: mws-beam-breathe 9s ease-in-out infinite alternate;
}

.mws-beam__frame--inner {
  inset: 29% 24%;
  border-style: dashed;
  border-color: rgba(142, 169, 201, 0.65);
  background: rgba(255, 255, 255, 0.38);
  animation: mws-beam-breathe 9s ease-in-out infinite alternate-reverse;
}

.mws-beam__sweep {
  position: absolute;
  inset: 16% 12%;
  overflow: hidden;
  border-radius: 26px;
}

.mws-beam__sweep::before {
  content: "";
  position: absolute;
  top: -30%;
  bottom: -30%;
  left: -40%;
  width: 30%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.92), transparent);
  transform: rotate(16deg);
  animation: mws-beam-sweep 9s ease-in-out infinite;
}

.mws-beam__dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #8ea9c9;
  animation: mws-node-pulse 4.4s ease-in-out infinite;
}

.mws-beam__dot--a {
  left: 20%;
  top: 22%;
}

.mws-beam__dot--b {
  right: 20%;
  bottom: 22%;
  background: var(--color-accent);
  width: 8px;
  height: 8px;
  animation-delay: -2.2s;
}

.mws-beam__accent {
  position: absolute;
  left: 18%;
  bottom: 21%;
  width: 40px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-accent);
  z-index: 3;
}

@keyframes mws-beam-breathe {
  from {
    transform: scale(0.985);
  }
  to {
    transform: scale(1.02);
  }
}

@keyframes mws-strata-float {
  from {
    transform: translate3d(0, 8px, 0) rotate(var(--rot));
  }
  to {
    transform: translate3d(0, -10px, 0) rotate(calc(var(--rot) + 2deg));
  }
}

@keyframes mws-node-pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1.25);
  }
}

@keyframes mws-signal-flow {
  to {
    stroke-dashoffset: -140;
  }
}

@keyframes mws-scan {
  0%,
  100% {
    left: 8%;
    opacity: 0;
  }
  15%,
  85% {
    opacity: 1;
  }
  50% {
    left: 92%;
  }
}

@keyframes mws-grid-pulse {
  0%,
  100% {
    opacity: 0.25;
    transform: scale(0.8);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.1);
  }
}

@keyframes mws-grid-accent {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

@keyframes mws-beam-float {
  from {
    translate: 0 8px;
  }
  to {
    translate: 0 -8px;
  }
}

@keyframes mws-beam-sweep {
  0% {
    left: -40%;
  }
  100% {
    left: 120%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mws-motif *,
  .mws-motif *::before,
  .mws-motif *::after {
    animation: none !important;
  }
}


/* Catalog header motif: fills the empty right margin with a small animated MWS panel. */
.journal-page,
.publications-catalog,
.projects-catalog,
.people-page,
.careers-page,
.search-page {
  position: relative;
  isolation: isolate;
}

.page-motif {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 0;
  width: clamp(240px, 24vw, 340px);
  pointer-events: none;
}

.page-motif .mws-motif {
  aspect-ratio: 4 / 3;
  min-height: 0;
  border-radius: var(--radius-card);
}

.journal-page > :not(.page-motif),
.publications-catalog > :not(.page-motif),
.projects-catalog > :not(.page-motif),
.people-page > :not(.page-motif),
.careers-page > :not(.page-motif),
.search-page > :not(.page-motif) {
  position: relative;
  z-index: 1;
}

@media (max-width: 1200px) {
  .page-motif {
    display: none;
  }
}