/* ============================================================
   NCK Publisher theme for OJS
   Ports the nckpublisher.com design system (teal + Spectral +
   IBM Plex) onto the PKP default theme markup.
   ============================================================ */

:root {
  --nck-teal: #0b6b73;
  --nck-teal-dark: #084b51;
  --nck-teal-soft: #e8f2f2;
  --nck-teal-line: #cadddd;
  --nck-teal-wash: #f4f8f8;
  --nck-footer-bg: #0e2427;

  --nck-ink: #182b2e;
  --nck-ink-strong: #122427;
  --nck-ink-title: #132528;
  --nck-muted: #54656a;
  --nck-muted-soft: #7a8a8c;
  --nck-faint: #93a2a3;
  --nck-border: #e6ecec;
  --nck-hairline: #eef2f2;
  --nck-band: #f7faf9;

  --nck-serif: 'Spectral', Georgia, 'Times New Roman', serif;
  --nck-sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --nck-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --nck-max: 1180px;
  --nck-radius: 16px;
}

/* ============ BASE ============ */

html,
body {
  font-family: var(--nck-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--nck-ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body a,
.pkp_structure_page a {
  color: var(--nck-teal);
  text-decoration: none;
}

body a:hover,
body a:focus,
.pkp_structure_page a:hover,
.pkp_structure_page a:focus {
  color: var(--nck-teal-dark);
}

::selection {
  background: var(--nck-teal-soft);
}

.pkp_structure_page h1,
.pkp_structure_page h2,
.pkp_structure_page h3,
.pkp_structure_page h4 {
  font-family: var(--nck-serif);
  color: var(--nck-ink-title);
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.nck-serif { font-family: var(--nck-serif); }
.nck-mono { font-family: var(--nck-mono); }

/* Page scaffolding — widen to the NCK container and drop the default theme's
   fixed-width rules. */
.pkp_structure_page {
  max-width: none;
  background: #fff;
}

.pkp_structure_content {
  width: 100%;
  max-width: var(--nck-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* The homepages are full-bleed: their sections centre themselves, so the
   default theme's fixed-width wrappers have to step aside. */
.pkp_page_index .pkp_structure_content {
  width: 100%;
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

/* The inherited theme stacks its own vertical rhythm on top of the page
   padding below; strip it so inner pages start where the design says. */
.pkp_structure_content {
  padding-top: 0;
}

.pkp_structure_main {
  padding: 0;
  margin-top: 0;
  border: none;
}

.pkp_structure_content.has_sidebar .pkp_structure_main {
  padding-right: 40px;
}

/* The inherited theme draws 1px column rules either side of the main column;
   this design uses whitespace instead. */
.pkp_structure_main::before,
.pkp_structure_main::after {
  display: none;
}

.pkp_page_index .pkp_structure_main {
  width: 100%;
  float: none;
  padding: 0;
}

/* Visually hidden helpers, redefined here so the theme does not depend on the
   inherited stylesheet being present. */
.nck-header .pkp_screen_reader,
.nck-searchbar .pkp_screen_reader,
.cmp_skip_to_content a {
  position: absolute !important;
  left: -2000px;
  clip: rect(1px, 1px, 1px, 1px);
}

.cmp_skip_to_content a:focus {
  position: absolute !important;
  left: 0.5rem;
  top: 0.5rem;
  clip: auto;
  z-index: 99999;
  background: #fff;
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--nck-teal);
}

/* Inner pages get breathing room and a title in the brand serif. */
.pkp_page_content,
.pkp_structure_main > .page {
  padding: 48px 0 72px;
}

.pkp_structure_main > .page > h1,
.page_title {
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.1;
  color: var(--nck-ink-title);
  margin: 0 0 20px;
}

/* ============ SHARED PRIMITIVES ============ */

.nck-wrap {
  max-width: var(--nck-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* These primitives are prefixed so they outrank the inherited theme's own
   element rules (which are class+element specific). */
.pkp_structure_page .nck-kicker {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--nck-teal);
  font-family: var(--nck-sans);
}

.pkp_structure_page .nck-section-title {
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--nck-ink-title);
  margin: 10px 0 8px;
}

.pkp_structure_page .nck-section-sub {
  font-size: 16px;
  line-height: 1.6;
  color: var(--nck-muted);
  margin: 0;
}

.pkp_structure_page .nck-link-arrow {
  font-weight: 600;
  font-size: 14.5px;
  color: var(--nck-teal);
  white-space: nowrap;
}

.nck-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--nck-sans);
  font-weight: 600;
  cursor: pointer;
  border-radius: 10px;
  border: none;
  text-decoration: none;
  transition: background .15s, box-shadow .15s, border-color .15s, color .15s;
}

.nck-btn--primary,
.pkp_structure_page a.nck-btn--primary {
  background: var(--nck-teal);
  color: #fff;
}

.nck-btn--primary:hover,
.nck-btn--primary:focus,
.pkp_structure_page a.nck-btn--primary:hover,
.pkp_structure_page a.nck-btn--primary:focus {
  background: var(--nck-teal-dark);
  color: #fff;
}

.nck-btn--ghost,
.pkp_structure_page a.nck-btn--ghost {
  background: #fff;
  color: var(--nck-teal);
  border: 1.5px solid var(--nck-teal-line);
}

.nck-btn--ghost:hover,
.nck-btn--ghost:focus,
.pkp_structure_page a.nck-btn--ghost:hover {
  border-color: var(--nck-teal);
  color: var(--nck-teal);
}

.nck-btn--sm {
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 9px;
  box-shadow: 0 1px 2px rgba(11, 107, 115, 0.25);
}

.nck-btn--lg {
  font-size: 15px;
  padding: 13px 24px;
}

/* ============ HEADER ============ */

.nck-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: background .25s, box-shadow .25s, border-color .25s;
}

.nck-header.is-scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--nck-border);
  box-shadow: 0 6px 24px -18px rgba(18, 42, 44, 0.5);
}

.nck-header__inner {
  max-width: var(--nck-max);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nck-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.nck-brand__logo img {
  display: block;
  max-height: 48px;
  width: auto;
}

.pkp_structure_page .nck-brand__name {
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: 20px;
  color: var(--nck-ink-title);
  letter-spacing: -0.015em;
  line-height: 1.15;
}

/* CSS-only "blade" mark, ported from the nckpublisher.com brand sheet. */
.nck-mark {
  --mark: 40px;
  --bar-primary: var(--nck-teal);
  --bar-secondary: #7bb0b3;
  width: var(--mark);
  height: var(--mark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nck-mark > span {
  display: block;
  border-radius: calc(var(--mark) * 0.16);
  transform: rotate(-30deg);
}

.nck-mark > .nck-bar-a {
  width: calc(var(--mark) * 0.318);
  height: calc(var(--mark) * 0.886);
  background: var(--bar-primary);
}

.nck-mark > .nck-bar-b {
  width: calc(var(--mark) * 0.318);
  height: calc(var(--mark) * 0.568);
  background: var(--bar-secondary);
  margin-left: calc(var(--mark) * -0.045);
}

.nck-mark--on-dark {
  --bar-primary: #7bb0b3;
  --bar-secondary: #bfe0e1;
}

/* Primary navigation — the {load_menu} output restyled. */
.nck-nav {
  display: flex;
  align-items: center;
  margin-left: 8px;
  flex: 1;
  min-width: 0;
}

.nck-nav ul {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.nck-nav ul li {
  position: relative;
  margin: 0;
  padding: 0;
}

.nck-nav ul li a {
  display: inline-block;
  font-size: 14.5px;
  font-weight: 500;
  color: #37484b;
  padding: 8px 0;
  text-decoration: none;
}

.nck-nav ul li a:hover,
.nck-nav ul li a:focus {
  color: var(--nck-teal);
}

/* Dropdowns */
.nck-nav ul li ul {
  display: none;
  position: absolute;
  top: 100%;
  left: -14px;
  min-width: 230px;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  background: #fff;
  border: 1px solid var(--nck-border);
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 18px 40px -22px rgba(18, 42, 44, 0.45);
  z-index: 20;
}

.nck-nav ul li:hover > ul,
.nck-nav ul li:focus-within > ul {
  display: flex;
}

.nck-nav ul li ul li a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
}

.nck-nav ul li ul li a:hover {
  background: var(--nck-teal-wash);
}

.nck-header__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nck-header__actions .nck-nav-user ul {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nck-header__actions .nck-nav-user ul li a {
  font-size: 14px;
  font-weight: 500;
  color: #37484b;
  text-decoration: none;
}

.nck-header__actions .nck-nav-user ul li a:hover {
  color: var(--nck-teal);
}

.nck-header__actions .nck-nav-user ul li ul {
  position: absolute;
  right: 0;
  left: auto;
  display: none;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--nck-border);
  border-radius: 12px;
  padding: 8px;
  min-width: 200px;
  box-shadow: 0 18px 40px -22px rgba(18, 42, 44, 0.45);
  z-index: 20;
}

.nck-header__actions .nck-nav-user ul li {
  position: relative;
}

.nck-header__actions .nck-nav-user ul li:hover > ul,
.nck-header__actions .nck-nav-user ul li:focus-within > ul {
  display: flex;
}

.nck-header__search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 9px;
  border: 1px solid #d5dede;
  color: #5c6d70;
}

.nck-header__search:hover {
  border-color: var(--nck-teal);
  color: var(--nck-teal);
}

.nck-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: #fff;
  border: 1px solid #d5dede;
  border-radius: 9px;
  cursor: pointer;
  color: var(--nck-ink);
}

.nck-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nck-nav-toggle span::before,
.nck-nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.nck-nav-toggle span::before { top: -6px; }
.nck-nav-toggle span::after { top: 6px; }

/* ============ HERO ============ */

.nck-hero {
  position: relative;
  background: linear-gradient(180deg, var(--nck-teal-wash) 0%, #ffffff 100%);
  overflow: hidden;
}

.nck-hero__blob-a,
.nck-hero__blob-b,
.nck-hero__blob-c {
  position: absolute;
  pointer-events: none;
}

.nck-hero__blob-a {
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(11, 107, 115, 0.10), transparent 70%);
}

.nck-hero__blob-b {
  top: 120px;
  right: 180px;
  width: 120px;
  height: 120px;
  border: 1.5px solid rgba(11, 107, 115, 0.16);
  transform: rotate(45deg);
}

.nck-hero__blob-c {
  bottom: -60px;
  left: -40px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(183, 110, 59, 0.07), transparent 70%);
}

.nck-hero__inner {
  position: relative;
  max-width: var(--nck-max);
  margin: 0 auto;
  padding: 88px 24px 76px;
}

.nck-hero__content {
  max-width: 780px;
}

.nck-hero h1,
.pkp_structure_page .nck-hero h1 {
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: clamp(38px, 5.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--nck-ink-strong);
  margin: 0 0 22px;
  text-wrap: balance;
}

.pkp_structure_page .nck-hero__sub {
  font-size: 18.5px;
  line-height: 1.6;
  color: #4a5b5e;
  margin: 0 0 34px;
  max-width: 640px;
  text-wrap: pretty;
}

.nck-searchbar {
  background: #fff;
  border: 1px solid #dbe5e5;
  border-radius: 14px;
  padding: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 640px;
  box-shadow: 0 8px 28px -14px rgba(18, 42, 44, 0.22);
}

.nck-searchbar__icon {
  padding-left: 12px;
  display: flex;
  color: #8a9a9c;
}

.nck-searchbar input[type="text"],
.nck-searchbar input[type="search"] {
  flex: 1;
  border: none;
  outline: none;
  box-shadow: none;
  font-family: inherit;
  font-size: 15.5px;
  color: var(--nck-ink);
  background: transparent;
  padding: 10px 4px;
  min-width: 0;
  height: auto;
}

.nck-searchbar button {
  font-size: 14.5px;
  padding: 12px 22px;
  border-radius: 9px;
  flex-shrink: 0;
}

.nck-hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
  align-items: center;
}

.nck-hero__hint {
  font-size: 13.5px;
  color: var(--nck-muted-soft);
  margin-left: 4px;
}

/* ============ TRUST BAR ============ */

.nck-trustbar {
  border-top: 1px solid var(--nck-hairline);
  border-bottom: 1px solid var(--nck-hairline);
  background: #fbfcfc;
}

.nck-trustbar__inner {
  max-width: var(--nck-max);
  margin: 0 auto;
  padding: 26px 24px;
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
  justify-content: center;
}

.pkp_structure_page .nck-trustbar__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nck-faint);
}

.nck-trustbar__logos {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: center;
  filter: grayscale(1);
  opacity: 0.72;
}

.pkp_structure_page .nck-trustbar__logos span {
  font-family: var(--nck-serif);
  font-weight: 600;
  font-size: 19px;
  color: #3d4e51;
  letter-spacing: -0.01em;
}

.nck-trustbar__target {
  font-size: 12.5px;
  color: var(--nck-faint);
  font-style: italic;
}

/* ============ SECTION SCAFFOLD ============ */

.nck-section {
  max-width: var(--nck-max);
  margin: 0 auto;
  padding: 84px 24px;
}

.nck-section--anchor {
  scroll-margin-top: 88px;
}

.nck-band {
  background: var(--nck-band);
  border-top: 1px solid var(--nck-hairline);
}

.nck-band .nck-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.nck-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.nck-section-head__text {
  max-width: 620px;
}

/* ============ JOURNAL DIRECTORY ============ */

.nck-journal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nck-jcard {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--nck-border);
  border-radius: var(--nck-radius);
  overflow: hidden;
  background: #fff;
  transition: box-shadow .2s, border-color .2s, transform .2s;
}

.nck-jcard:hover {
  box-shadow: 0 18px 40px -22px rgba(18, 42, 44, 0.35);
  border-color: var(--nck-teal-line);
  transform: translateY(-3px);
}

.nck-jcard__cover {
  position: relative;
  height: 150px;
  display: flex;
  align-items: flex-end;
  padding: 14px;
  background: linear-gradient(135deg, var(--nck-teal) 0%, var(--nck-teal-dark) 100%);
  overflow: hidden;
}

.nck-jcard__cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nck-jcard__abbr {
  position: relative;
  font-family: var(--nck-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(18, 42, 44, 0.35);
  padding: 3px 8px;
  border-radius: 5px;
}

.nck-jcard__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.nck-jcard__field {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--nck-teal);
  margin-bottom: 8px;
}

.nck-jcard h3,
.pkp_structure_page .nck-jcard h3 {
  font-family: var(--nck-serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.25;
  color: #152a2d;
  margin: 0 0 8px;
}

.nck-jcard h3 a {
  color: inherit;
}

.nck-jcard h3 a:hover {
  color: var(--nck-teal);
}

.pkp_structure_page .nck-jcard__scope {
  font-size: 13.5px;
  line-height: 1.55;
  color: #5c6d70;
  margin: 0 0 14px;
  flex: 1;
}

.nck-jcard__scope p {
  margin: 0 0 8px;
}

.nck-jcard__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--nck-hairline);
}

.pkp_structure_page .nck-jcard__issn {
  font-family: var(--nck-mono);
  font-size: 12px;
  color: var(--nck-muted-soft);
}

.nck-jcard__visit {
  font-weight: 600;
  font-size: 13.5px;
  color: var(--nck-teal);
  white-space: nowrap;
}

/* ============ ARTICLE / NEWS CARDS ============ */

.nck-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nck-acard {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--nck-border);
  border-radius: 14px;
  padding: 22px 24px;
  transition: box-shadow .2s, border-color .2s;
}

.nck-acard:hover {
  box-shadow: 0 14px 34px -20px rgba(18, 42, 44, 0.3);
  border-color: var(--nck-teal-line);
}

.nck-acard__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.nck-tag-journal {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--nck-teal);
  background: var(--nck-teal-soft);
  padding: 4px 10px;
  border-radius: 6px;
}

.nck-tag-doi {
  font-family: var(--nck-mono);
  font-size: 11px;
  color: var(--nck-faint);
  border: 1px solid #e0e7e7;
  padding: 3px 8px;
  border-radius: 5px;
}

.nck-acard h3,
.pkp_structure_page .nck-acard h3 {
  font-family: var(--nck-serif);
  font-weight: 600;
  font-size: 18.5px;
  line-height: 1.3;
  color: #152a2d;
  margin: 0 0 12px;
  text-wrap: pretty;
}

.nck-acard h3 a { color: inherit; }
.nck-acard h3 a:hover { color: var(--nck-teal); }

.pkp_structure_page .nck-acard__body {
  font-size: 14px;
  line-height: 1.55;
  color: #5c6d70;
  margin: 0 0 14px;
}

.nck-acard__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.pkp_structure_page .nck-acard__authors {
  font-size: 13px;
  color: #5c6d70;
}

.pkp_structure_page .nck-acard__date {
  font-size: 12.5px;
  color: var(--nck-faint);
  white-space: nowrap;
}

.nck-ncard__tag {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--nck-teal-soft);
  color: var(--nck-teal);
}

/* ============ STATS BAND ============ */

.nck-stats {
  background: var(--nck-teal);
  color: #fff;
}

.nck-stats__inner {
  max-width: var(--nck-max);
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.nck-stat {
  text-align: center;
  padding: 8px;
}

.pkp_structure_page .nck-stat__value {
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: clamp(36px, 4.5vw, 52px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.pkp_structure_page .nck-stat__label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  margin-top: 10px;
  letter-spacing: 0.02em;
}

/* ============ AUTHOR HUB ============ */

.nck-author-head {
  max-width: 620px;
  margin: 0 0 44px;
}

.nck-pcard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.nck-pcard {
  border: 1px solid var(--nck-border);
  border-radius: var(--nck-radius);
  padding: 26px 24px;
  background: #fff;
  display: flex;
  flex-direction: column;
}

.nck-pcard__num {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--nck-teal-soft);
  color: var(--nck-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 16px;
}

.nck-pcard h3,
.pkp_structure_page .nck-pcard h3 {
  font-family: var(--nck-serif);
  font-weight: 600;
  font-size: 18px;
  color: #152a2d;
  margin: 0 0 8px;
}

.pkp_structure_page .nck-pcard p {
  font-size: 14px;
  line-height: 1.55;
  color: #5c6d70;
  margin: 0;
}

.nck-apc-note {
  margin-top: 36px;
  background: var(--nck-teal-wash);
  border: 1px solid #e0eaea;
  border-radius: var(--nck-radius);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.nck-apc-note__text {
  display: flex;
  align-items: center;
  gap: 14px;
}

.pkp_structure_page .nck-apc-note__text p {
  font-size: 15px;
  line-height: 1.5;
  color: #37484b;
  margin: 0;
  max-width: 640px;
}

.nck-apc-note__text strong {
  color: var(--nck-teal);
}

/* ============ ABOUT & CREDIBILITY ============ */

.nck-about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 52px;
  align-items: start;
}

.nck-about h2,
.pkp_structure_page .nck-about h2 {
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--nck-ink-title);
  margin: 12px 0 20px;
}

.pkp_structure_page .nck-about p {
  font-size: 16px;
  line-height: 1.7;
  color: #4a5b5e;
  margin: 0 0 18px;
  text-wrap: pretty;
}

.nck-about p strong {
  color: var(--nck-teal);
}

.nck-about__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nck-pill-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--nck-teal);
  border: 1px solid var(--nck-teal-line);
  border-radius: 8px;
  padding: 9px 16px;
  text-decoration: none;
}

.nck-pill-link:hover {
  border-color: var(--nck-teal);
}

.nck-cred {
  background: #fbfcfc;
  border: 1px solid var(--nck-border);
  border-radius: 18px;
  padding: 30px 32px;
}

.nck-cred h3,
.pkp_structure_page .nck-cred h3 {
  font-family: var(--nck-serif);
  font-weight: 600;
  font-size: 18px;
  color: #152a2d;
  margin: 0 0 20px;
}

.nck-cred__row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--nck-hairline);
}

.nck-cred__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.nck-cred__check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--nck-teal-soft);
  color: var(--nck-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.pkp_structure_page .nck-cred__title {
  font-weight: 600;
  font-size: 14.5px;
  color: #1c2f32;
}

.pkp_structure_page .nck-cred__desc {
  font-size: 13px;
  line-height: 1.5;
  color: #6a7a7c;
  margin-top: 2px;
}

/* ============ FOOTER ============ */

.nck-footer {
  background: var(--nck-footer-bg);
  color: #c3d2d3;
  scroll-margin-top: 88px;
}

.nck-footer__inner {
  max-width: var(--nck-max);
  margin: 0 auto;
  padding: 64px 24px 0;
}

.nck-footer__cols {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}

.nck-footer__brand {
  min-width: 220px;
}

.nck-footer__brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.pkp_structure_page .nck-footer__brand-name {
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: 20px;
  color: #fff;
  letter-spacing: -0.015em;
}

.pkp_structure_page .nck-footer__brand p {
  font-size: 14px;
  line-height: 1.65;
  color: #9fb2b4;
  margin: 0 0 18px;
  max-width: 320px;
}

.pkp_structure_page .nck-footer__contact {
  font-size: 13.5px;
  line-height: 1.7;
  color: #8ba1a3;
  margin: 0;
}

.nck-footer h4,
.pkp_structure_page .nck-footer h4 {
  font-family: var(--nck-sans);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7f9799;
  margin: 0 0 16px;
}

.nck-footer__links {
  display: flex;
  flex-direction: column;
  gap: 11px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nck-footer__links li {
  margin: 0;
  padding: 0;
}

.nck-footer a,
.pkp_structure_page .nck-footer a {
  font-size: 14px;
  color: #b9c9ca;
  text-decoration: none;
}

.nck-footer a:hover,
.pkp_structure_page .nck-footer a:hover {
  color: #fff;
}

.nck-footer__content {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid #1f3b3e;
  font-size: 14px;
  line-height: 1.7;
  color: #9fb2b4;
}

.nck-footer__content p {
  margin: 0 0 10px;
}

.nck-footer__bar {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid #1f3b3e;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.nck-footer__badges {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.pkp_structure_page .nck-footer__issn {
  font-family: var(--nck-mono);
  font-size: 12.5px;
  color: #8ba1a3;
}

.nck-footer__cc {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: #8ba1a3;
  border: 1px solid #2a4649;
  border-radius: 6px;
  padding: 5px 10px;
}

.nck-footer__brandmark a {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: #8fa8aa;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.nck-footer__brandmark a:hover,
.nck-footer__brandmark a:focus {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.4);
}

.nck-footer__copy {
  padding: 20px 0 30px;
  border-top: 1px solid #1f3b3e;
  font-size: 12.5px;
  color: #6f8789;
}

/* ============ INNER PAGES — harmonise the inherited default theme ============ */

/* Buttons and galley links */
.pkp_structure_page .pkp_button,
.pkp_structure_page .obj_galley_link,
.pkp_structure_page .cmp_button,
.pkp_structure_page .pkp_button_primary,
.pkp_structure_page button.submit,
.pkp_structure_page input[type="submit"],
.pkp_structure_page .buttons button[type="submit"] {
  font-family: var(--nck-sans);
  font-weight: 600;
  border-radius: 9px;
  border: none;
  background: var(--nck-teal);
  color: #fff;
  box-shadow: none;
  text-shadow: none;
  padding: 10px 18px;
}

.pkp_structure_page .pkp_button:hover,
.pkp_structure_page .obj_galley_link:hover,
.pkp_structure_page .obj_galley_link:focus,
.pkp_structure_page button.submit:hover,
.pkp_structure_page input[type="submit"]:hover {
  background: var(--nck-teal-dark);
  color: #fff;
}

.pkp_structure_page .obj_galley_link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Article & issue objects */
.obj_article_summary,
.obj_issue_summary {
  padding: 22px 24px;
  margin-bottom: 18px;
  background: #fff;
  border: 1px solid var(--nck-border);
  border-radius: 14px;
  transition: box-shadow .2s, border-color .2s;
}

.obj_article_summary:hover,
.obj_issue_summary:hover {
  box-shadow: 0 14px 34px -20px rgba(18, 42, 44, 0.3);
  border-color: var(--nck-teal-line);
}

.obj_article_summary > .title,
.obj_issue_summary > .title,
.pkp_structure_page .obj_article_summary h2,
.pkp_structure_page .obj_article_summary h3 {
  font-family: var(--nck-serif);
  font-weight: 600;
  font-size: 18.5px;
  line-height: 1.3;
  color: #152a2d;
}

.obj_article_summary > .title a,
.obj_issue_summary > .title a {
  color: inherit;
}

.obj_article_summary > .title a:hover,
.obj_issue_summary > .title a:hover {
  color: var(--nck-teal);
}

.obj_article_summary .meta,
.obj_article_summary .authors {
  font-size: 13.5px;
  color: #5c6d70;
}

.obj_article_details .page_title,
.pkp_structure_page .obj_article_details h1 {
  font-family: var(--nck-serif);
  font-weight: 700;
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1.15;
  color: var(--nck-ink-title);
}

.obj_article_details .abstract,
.obj_article_details .item {
  font-size: 15.5px;
  line-height: 1.7;
  color: #37484b;
}

.obj_article_details .main_entry .item .label,
.obj_article_details .entry_details .item .label {
  font-family: var(--nck-sans);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nck-teal);
}

.obj_issue_toc h2,
.obj_issue_toc h3,
.pkp_structure_page .current_issue h2 {
  font-family: var(--nck-serif);
  color: var(--nck-ink-title);
}

.obj_issue_toc .section > h2,
.obj_issue_toc .section > h3 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--nck-sans);
  color: var(--nck-teal);
  border-bottom: 1px solid var(--nck-hairline);
  padding-bottom: 10px;
}

/* Sidebar blocks */
.pkp_structure_sidebar .pkp_block {
  background: #fbfcfc;
  border: 1px solid var(--nck-border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
}

.pkp_structure_sidebar .pkp_block .title {
  font-family: var(--nck-sans);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--nck-muted);
  border: none;
  padding: 0 0 12px;
}

/* Forms */
.pkp_structure_page input[type="text"],
.pkp_structure_page input[type="email"],
.pkp_structure_page input[type="password"],
.pkp_structure_page input[type="search"],
.pkp_structure_page input[type="url"],
.pkp_structure_page select,
.pkp_structure_page textarea {
  font-family: var(--nck-sans);
  font-size: 15px;
  border: 1px solid #dbe5e5;
  border-radius: 9px;
  padding: 10px 12px;
  background: #fff;
  color: var(--nck-ink);
}

.pkp_structure_page input[type="text"]:focus,
.pkp_structure_page input[type="email"]:focus,
.pkp_structure_page input[type="password"]:focus,
.pkp_structure_page select:focus,
.pkp_structure_page textarea:focus {
  border-color: var(--nck-teal);
  outline: none;
  box-shadow: 0 0 0 3px rgba(11, 107, 115, 0.12);
}

/* Breadcrumbs, pagination, tables */
.cmp_breadcrumbs {
  font-size: 13.5px;
  color: var(--nck-muted-soft);
  padding: 24px 0 0;
}

.cmp_breadcrumbs a {
  color: var(--nck-muted);
}

.cmp_pagination {
  font-size: 14px;
  color: var(--nck-muted);
}

.pkp_structure_page table {
  border-collapse: collapse;
}

.pkp_structure_page table th {
  font-family: var(--nck-sans);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--nck-muted);
  border-bottom: 1px solid var(--nck-border);
}

.pkp_structure_page table td {
  border-bottom: 1px solid var(--nck-hairline);
}

/* Announcements listing on inner pages */
.obj_announcement_summary {
  border: 1px solid var(--nck-border);
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 18px;
}

.obj_announcement_summary h2,
.obj_announcement_summary h3 {
  font-family: var(--nck-serif);
  font-size: 19px;
}

/* The default theme's own header/footer chrome is replaced by this theme. */
.pkp_structure_head,
.pkp_structure_footer_wrapper {
  display: none;
}

/* Skip links keep working but stay out of the way. */
.pkp_navigation_skip a:focus {
  background: var(--nck-teal);
  color: #fff;
}

/* ============ RESPONSIVE ============ */

@media (max-width: 992px) {
  .nck-footer__cols {
    grid-template-columns: 1fr 1fr;
  }

  .nck-nav-toggle {
    display: inline-flex;
  }

  .nck-nav {
    display: none;
    order: 10;
    flex-basis: 100%;
    margin: 0 0 16px;
  }

  .nck-nav.is-open {
    display: block;
  }

  .nck-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nck-nav ul li a {
    display: block;
    padding: 11px 0;
    border-bottom: 1px solid var(--nck-hairline);
  }

  .nck-nav ul li ul {
    display: flex;
    position: static;
    border: none;
    box-shadow: none;
    padding: 0 0 0 14px;
    min-width: 0;
  }

  .nck-header__inner {
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 0;
  }

  .nck-header__actions .nck-nav-user {
    display: none;
  }

  .nck-hero__inner {
    padding: 60px 24px 56px;
  }

  .nck-section,
  .nck-band .nck-section {
    padding-top: 60px;
    padding-bottom: 60px;
  }
}

@media (max-width: 560px) {
  .nck-footer__cols {
    grid-template-columns: 1fr;
  }

  .nck-searchbar {
    flex-wrap: wrap;
  }

  .nck-searchbar button {
    width: 100%;
    justify-content: center;
  }

  .nck-apc-note {
    padding: 22px;
  }
}