:root {
  --navy: #173260;
  --navy-deep: #102547;
  --teal: #0f9283;
  --ocean: #1172bd;
  --sun: #e0a56b;
  --forest: #16834d;
  --mist: #edf4f7;
  --paper: #ffffff;
  --ink: #173260;
  --ink-soft: #4e6387;
  --line: rgba(23, 50, 96, 0.12);
  --line-strong: rgba(23, 50, 96, 0.22);
  --shadow-soft: 0 18px 50px rgba(15, 38, 71, 0.08);
  --shadow-strong: 0 22px 50px rgba(15, 38, 71, 0.16);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(17, 114, 189, 0.16), transparent 24%),
    radial-gradient(circle at top right, rgba(15, 146, 131, 0.12), transparent 28%),
    linear-gradient(180deg, #f7fbfd 0%, #eef5f8 52%, #f8fbfd 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
select {
  font: inherit;
}

.hidden {
  display: none !important;
}

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.page-shell-detail {
  padding-top: 24px;
}

.topbar {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
}

.topbar-detail {
  align-items: center;
  margin-bottom: 18px;
}

.logo-strip {
  margin-bottom: 22px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.logo-strip-track {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 86px;
  flex-wrap: nowrap;
}

.logo-strip-support {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  gap: 20px;
  min-width: 0;
  justify-content: flex-end;
  flex-wrap: nowrap;
}

.project-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.project-logo {
  display: block;
  width: 150px;
  min-width: 150px;
  max-width: 150px;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: center;
}

.partner-logos-strip {
  display: block;
  flex: 1 1 720px;
  width: 720px;
  max-width: 100%;
  min-width: 0;
  height: auto;
  max-height: 92px;
  object-fit: contain;
  object-position: left center;
}

.eu-logo-strip {
  display: block;
  flex: 0 0 280px;
  width: 280px;
  max-width: 100%;
  height: auto;
  max-height: 82px;
  object-fit: contain;
  object-position: right center;
}

.topbar-simple {
  margin-bottom: 18px;
}

.topbar-branding {
  display: flex;
  align-items: center;
  gap: 0;
  min-width: 0;
}

.topbar-branding-detail {
  min-width: 0;
}

.topbar-heading {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(15, 146, 131, 0.1);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  line-height: 0.95;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.05em;
}

.hero-copy {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.7;
}

.toolbar {
  display: flex;
  justify-content: flex-end;
}

.select-block {
  display: grid;
  gap: 8px;
  min-width: 210px;
  font-size: 0.93rem;
  color: var(--ink-soft);
}

.select-block select {
  appearance: none;
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 248, 251, 0.98));
  box-shadow: 0 10px 24px rgba(23, 50, 96, 0.04);
}

.content-stack {
  display: grid;
  gap: 24px;
}

.panel {
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.panel-soft {
  padding: 24px;
}

.panel-row {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
}

.panel-copy {
  margin: 8px 0 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.ghost-link:hover,
.ghost-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(17, 114, 189, 0.24);
  box-shadow: 0 12px 24px rgba(17, 114, 189, 0.12);
  outline: none;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.chip {
  border: 1px solid rgba(17, 50, 96, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.chip:hover,
.chip:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 146, 131, 0.28);
  outline: none;
}

.chip.is-active {
  border-color: transparent;
  color: #ffffff;
  background: linear-gradient(135deg, var(--teal), var(--ocean));
  box-shadow: 0 12px 20px rgba(15, 146, 131, 0.2);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  align-items: stretch;
  gap: 22px;
}

.study-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  min-height: 420px;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-soft);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.study-card.is-completed {
  border-color: rgba(15, 146, 131, 0.28);
  background: rgba(255, 255, 255, 0.74);
}

.study-card:hover,
.study-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(17, 114, 189, 0.2);
  box-shadow: var(--shadow-strong);
  outline: none;
}

.study-card.is-completed:hover,
.study-card.is-completed:focus-visible {
  border-color: rgba(15, 146, 131, 0.38);
}

.study-visual {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  min-height: 190px;
}

.study-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(8, 18, 41, 0.42));
}

.study-card.is-completed .study-visual,
.study-card.is-completed .study-body {
  opacity: 0.88;
}

.country-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 1;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(10px);
  font-size: 0.82rem;
  font-weight: 700;
}

.study-status-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 800;
}

.study-status-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  border-radius: 999px;
  background: rgba(15, 146, 131, 0.9);
  color: #ffffff;
  font-size: 0.88rem;
  line-height: 1;
}

.country-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  overflow: hidden;
}

.country-map img,
.country-map svg {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

.country-map img {
  opacity: 0.3;
  filter: brightness(0) invert(1);
}

.study-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(17, 114, 189, 0.08);
  color: var(--ocean);
  font-size: 0.84rem;
  font-weight: 700;
}

.pill.pill-neutral {
  background: rgba(23, 50, 96, 0.06);
  color: var(--ink-soft);
}

.study-title {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.24;
  font-weight: 900;
}

.study-description {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.study-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-weight: 800;
}

.study-card.is-completed .study-link {
  color: rgba(78, 99, 135, 0.88);
}

.study-link-arrow {
  transition: transform 180ms ease;
}

.study-card:hover .study-link-arrow,
.study-card:focus-visible .study-link-arrow {
  transform: translateX(4px);
}

.empty-state {
  margin: 0;
  padding: 28px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink-soft);
  box-shadow: var(--shadow-soft);
}

.site-footer {
  margin-top: 26px;
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-soft);
}

.site-footer-copy {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: 4px;
  background: rgba(255, 255, 255, 0.46);
}

.reading-progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--teal), var(--ocean));
  transition: width 140ms linear;
}

.detail-top-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  font-weight: 800;
  box-shadow: var(--shadow-soft);
}

.detail-hero {
  position: relative;
  overflow: hidden;
  padding: 38px;
  border-radius: 30px;
  color: #ffffff;
  box-shadow: var(--shadow-strong);
}

.detail-hero::before {
  content: "";
  position: absolute;
  inset: auto auto -40px -20px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}

.detail-hero::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 190px;
  height: 190px;
  border-radius: 46% 54% 60% 40%;
  background: rgba(255, 255, 255, 0.1);
}

.detail-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.detail-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.84rem;
  font-weight: 700;
}

.detail-hero-title {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  line-height: 0.98;
  font-weight: 900;
  text-transform: uppercase;
}

.detail-hero-copy {
  margin: 16px 0 0;
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.92);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  gap: 24px;
  align-items: stretch;
}

.detail-article {
  padding: 32px;
  align-self: start;
}

.detail-sidebar {
  display: grid;
  gap: 18px;
  width: min(100%, 300px);
  justify-self: end;
  align-self: stretch;
  align-content: start;
}

.detail-sidebar-progress {
  position: sticky;
  top: 24px;
  z-index: 2;
}

.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.detail-language-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.language-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink-soft);
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 180ms ease;
}

.language-chip:hover,
.language-chip:focus-visible {
  border-color: rgba(15, 146, 131, 0.34);
  outline: none;
}

.language-chip.is-active {
  border-color: transparent;
  color: #ffffff;
  background: linear-gradient(135deg, var(--teal), var(--ocean));
}

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

.article-section + .article-section,
.article-media-stack + .article-section,
.article-section + .article-media-stack {
  margin-top: 28px;
}

.article-section-lead {
  margin-top: 8px;
}

.article-rich-block {
  color: var(--ink-soft);
}

.article-rich-block > *:last-child {
  margin-bottom: 0;
}

.article-media-stack {
  display: grid;
  gap: 16px;
  margin: 28px 0;
}

.article-figure {
  margin: 0;
}

.article-section-criteria {
  margin-top: 32px;
}

.criteria-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.criteria-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.criteria-card-title {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
}

.criteria-card-content > *:last-child {
  margin-bottom: 0;
}

.article-content h2 {
  margin: 32px 0 12px;
  font-size: 1.45rem;
  font-weight: 900;
}

.article-content p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  line-height: 1.82;
}

.article-content ul,
.article-content ol {
  margin: 0 0 20px;
  padding-left: 22px;
  color: var(--ink-soft);
  line-height: 1.78;
}

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

.article-content strong {
  color: var(--ink);
}

.article-content a {
  color: var(--ocean);
  text-decoration: underline;
}

.article-content table {
  width: 100%;
  margin: 28px 0;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.72);
}

.article-content th,
.article-content td {
  padding: 14px 16px;
  border: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
  color: var(--ink-soft);
  line-height: 1.75;
}

.article-content th {
  color: var(--ink);
  background: rgba(17, 114, 189, 0.04);
}

.article-content .markdown-table td:first-child {
  width: 32%;
  color: var(--ink);
  font-weight: 800;
  background: rgba(23, 50, 96, 0.04);
}

.article-content img {
  display: block;
  max-width: 100%;
  height: auto !important;
  margin: 0 auto;
  border-radius: 16px;
}

.article-content p:last-child,
.article-content ul:last-child,
.article-content ol:last-child,
.article-content table:last-child {
  margin-bottom: 0;
}

.primary-button {
  width: 100%;
  min-height: 52px;
  margin-top: 16px;
  border: 0;
  border-radius: 16px;
  color: #ffffff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--forest), var(--teal));
  cursor: pointer;
  transition: transform 180ms ease, opacity 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 16px 28px rgba(22, 131, 77, 0.24);
}

.secondary-button {
  display: inline-flex;
  width: 100%;
  min-height: 48px;
  margin-top: 14px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid rgba(15, 146, 131, 0.24);
  border-radius: 16px;
  background: rgba(15, 146, 131, 0.08);
  color: var(--teal);
  font-weight: 800;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.secondary-button:hover,
.secondary-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 146, 131, 0.34);
  box-shadow: 0 12px 20px rgba(15, 146, 131, 0.12);
  outline: none;
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.primary-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.helper-text {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.sidebar-links {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.sidebar-link {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.sidebar-link:hover,
.sidebar-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(17, 114, 189, 0.26);
  box-shadow: 0 12px 22px rgba(17, 114, 189, 0.11);
  outline: none;
}

.sidebar-link.is-current {
  border-color: rgba(15, 146, 131, 0.28);
  background: rgba(15, 146, 131, 0.07);
}

.sidebar-link-title {
  display: block;
  font-weight: 800;
}

.sidebar-link-copy {
  display: block;
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.5;
}

@media (max-width: 1280px) {
  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .topbar,
  .panel-row,
  .detail-layout {
    grid-template-columns: 1fr;
    display: grid;
  }

  .toolbar {
    justify-content: stretch;
  }

  .topbar-detail .detail-top-actions {
    flex-wrap: wrap;
  }

  .logo-strip-track {
    gap: 14px;
    flex-wrap: wrap;
  }

  .logo-strip-support {
    gap: 14px;
    flex-basis: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .project-logo {
    width: 150px;
    min-width: 150px;
    max-width: 150px;
  }

  .topbar-branding {
    width: 100%;
  }

  .topbar-heading {
    font-size: clamp(1.2rem, 5vw, 1.75rem);
  }

  .eu-logo-strip {
    flex-basis: auto;
    width: 240px;
  }

  .select-block {
    min-width: 0;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .study-visual {
    min-height: 220px;
  }

  .detail-sidebar {
    position: static;
    width: 100%;
    justify-self: stretch;
  }

  .criteria-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 1200px);
    padding: 18px 0 34px;
  }

  .detail-hero,
  .detail-article,
  .panel-soft {
    padding: 22px;
  }

  .hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .detail-hero-title {
    font-size: clamp(1.9rem, 9vw, 3rem);
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .criteria-grid {
    grid-template-columns: 1fr;
  }
}