:root {
  --primary: #60a5fa;
  --secondary: #e2e8f0;
  --background: #0b1220;
  --surface: #111827;
  --surface-soft: #172033;
  --border: #243047;
  --text: #e5e7eb;
  --muted: #94a3b8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(96, 165, 250, 0.12), transparent 20%),
    var(--background);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
}

p,
li,
label,
span,
input,
textarea,
button {
  color: inherit;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(2, 6, 23, 0.95);
  color: white;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.brand {
  color: white;
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.15rem;
}

.nav-links > a,
.dropdown-toggle {
  color: white;
  text-decoration: none;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.nav-item.dropdown > .dropdown-toggle {
  background: linear-gradient(135deg, #60a5fa, #93c5fd);
  color: #08101f;
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.25);
}

.nav-links > a:hover,
.dropdown-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

.nav-item.dropdown:hover > .dropdown-toggle,
.nav-item.dropdown:focus-within > .dropdown-toggle {
  background: linear-gradient(135deg, #60a5fa, #93c5fd);
  color: #08101f;
}

.nav-item {
  position: relative;
  padding-bottom: 0.7rem;
  margin-bottom: -0.7rem;
}

.dropdown {
  padding-bottom: 0.7rem;
  margin-bottom: -0.7rem;
}

.dropdown-toggle {
  display: inline-block;
}

.dropdown-toggle::after {
  content: " ▾";
  font-size: 0.78rem;
  opacity: 0.9;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.05rem);
  left: 0;
  min-width: 190px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.45s ease, transform 0.45s ease, visibility 0.45s ease;
  background: rgba(2, 6, 23, 0.98);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  padding: 0.35rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  z-index: 20;
}

.dropdown-menu a {
  margin: 0;
  color: white;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  white-space: nowrap;
}

.dropdown-menu a:hover {
  background: rgba(96, 165, 250, 0.15);
  color: var(--primary);
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.hero {
  background: linear-gradient(135deg, #0f172a, #111827 55%, #1d4ed8);
  color: white;
  min-height: 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 6rem 2rem;
  text-align: center;
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-content {
  max-width: 760px;
  margin-right: auto;
  margin-left: 0;
  padding: 3.2rem 2rem 3.4rem;
  text-align: left;
}

.hero-content .eyebrow {
  color: #93c5fd;
}

.hero-content h1 {
  max-width: 18ch;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.02;
}

.hero-content > p:last-child {
  max-width: 58ch;
  color: #cbd5e1;
  font-size: 1.08rem;
}

.home-main {
  background: var(--background);
}

.home-main .section {
  max-width: 1180px;
}

.home-section-heading {
  margin-bottom: 1.2rem;
}

.home-section-heading h2 {
  color: #f8fafc;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.featured-section {
  padding-top: 3.5rem;
  padding-bottom: 2.25rem;
}

.featured-article {
  --tile-accent: #84919d;
  --tile-accent-ink: #fff;
  --tile-accent-soft: #e1e5e9;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: #50565d;
  text-decoration: none;
  background: var(--tile-accent-soft);
  border: 2px solid var(--tile-accent);
  border-radius: 16px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
}

.featured-article[data-category="Sciences"],
.featured-article[data-category="sciences"],
.popular-slide[data-category="Sciences"],
.popular-slide[data-category="sciences"] {
  --tile-accent: #2586c7;
  --tile-accent-soft: #d8ebf7;
}

.featured-article[data-category="Domotique - Electronique"],
.featured-article[data-category="domotique - electronique"],
.popular-slide[data-category="Domotique - Electronique"],
.popular-slide[data-category="domotique - electronique"] {
  --tile-accent: #218c5b;
  --tile-accent-soft: #d8eddf;
}

.featured-article[data-category="Energies"],
.featured-article[data-category="energies"],
.popular-slide[data-category="Energies"],
.popular-slide[data-category="energies"] {
  --tile-accent: #eab308;
  --tile-accent-ink: #3f3100;
  --tile-accent-soft: #fff0bd;
}

.featured-article[data-category="Philosophie"],
.featured-article[data-category="philosophie"],
.popular-slide[data-category="Philosophie"],
.popular-slide[data-category="philosophie"] {
  --tile-accent: #8056c2;
  --tile-accent-soft: #e7dcf3;
}

.featured-article[data-category="Boîte à outils ingénieur"],
.featured-article[data-category="boîte à outils ingénieur"],
.popular-slide[data-category="Boîte à outils ingénieur"],
.popular-slide[data-category="boîte à outils ingénieur"] {
  --tile-accent: #84919d;
  --tile-accent-soft: #e1e5e9;
}

.featured-visual {
  aspect-ratio: 2.15;
}

.featured-article .article-tile-image {
  transition: transform 0.35s ease;
}

.featured-article:hover .article-tile-image,
.featured-article:focus-visible .article-tile-image {
  transform: scale(1.025);
}

.featured-excerpt {
  color: #53616e;
  font-size: 1rem;
  line-height: 1.5;
}

.featured-content .article-tile-title {
  font-size: clamp(1.45rem, 2.5vw, 2rem);
}

.featured-content .article-tile-meta {
  width: 100%;
  margin-top: 0.45rem;
}

.featured-article:focus-visible {
  outline: 3px solid var(--tile-accent);
  outline-offset: 3px;
}

.featured-content {
  padding: 0.85rem 1.1rem 0.9rem;
}

.popular-section {
  padding-top: 2.25rem;
  padding-bottom: 4rem;
}

.popular-carousel {
  position: relative;
  overflow: hidden;
  cursor: grab;
  touch-action: pan-y;
}

.popular-carousel.is-dragging {
  cursor: grabbing;
}

.popular-track {
  display: flex;
  gap: 1rem;
  transition: transform 0.6s ease;
  will-change: transform;
}

.popular-slide {
  display: flex;
  flex-direction: column;
  flex: 0 0 calc((100% - 2rem) / 3);
  height: 285px;
  background: var(--tile-accent-soft);
}

.popular-slide a {
  display: flex;
  flex: 1;
  flex-direction: column;
  width: 100%;
  height: 100%;
  color: var(--text);
  background: var(--tile-accent-soft);
  text-decoration: none;
}

.popular-slide .article-tile-visual {
  aspect-ratio: 1.85;
}

.popular-slide-content {
  flex: 1;
  padding: 0.3rem 0.65rem 0.4rem;
}

.popular-slide .article-tile-title {
  font-size: 1rem;
  line-height: 1.2;
}

.article-tile-meta time {
  display: inline;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.article-tile-meta time,
.article-meta time {
  white-space: nowrap;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.carousel-button {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: inline-grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  padding: 0;
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.carousel-button-prev {
  left: 0.75rem;
}

.carousel-button-next {
  right: 0.75rem;
}

.popular-carousel:hover .carousel-button,
.popular-carousel:focus-within .carousel-button,
.carousel-button:focus-visible {
  opacity: 1;
}

.carousel-button:hover,
.carousel-button:focus-visible {
  color: white;
  background: var(--primary);
  border-color: var(--primary);
}

.carousel-dot {
  width: 0.55rem;
  height: 0.55rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--muted);
  cursor: pointer;
  opacity: 0.55;
  transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.carousel-dot:hover,
.carousel-dot:focus-visible,
.carousel-dot.is-active {
  background: var(--primary);
  opacity: 1;
}

.carousel-dot.is-active {
  transform: scale(1.35);
}

.btn {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.8rem 1.2rem;
  background: linear-gradient(135deg, #60a5fa, #93c5fd);
  color: #08101f;
  border-radius: 999px;
  text-decoration: none;
  font-weight: bold;
  border: none;
}

.section,
.page-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.card,
.content-box,
.contact-section {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.content-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.articles-page {
  max-width: 1150px;
  padding-top: 3.5rem;
}

.articles-section {
  width: 100%;
}

.articles-heading {
  max-width: 610px;
  margin-bottom: 1.8rem;
}

.articles-heading h1 {
  margin-bottom: 0.35rem;
  color: #f8fafc;
  font-size: clamp(2.3rem, 5vw, 3.4rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.articles-heading > p:last-child {
  color: var(--muted);
}

.article-tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.category-filter-list,
.tag-filter-list,
.type-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0 0 1.3rem;
}

.category-filter,
.tag-filter,
.type-filter {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.category-filter {
  color: #08101f;
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  border: 1px solid rgba(96, 165, 250, 0.8);
}

.tag-filter {
  color: #e2e8f0;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.type-filter {
  color: #f8fafc;
  background: rgba(37, 99, 235, 0.18);
  border: 1px solid rgba(96, 165, 250, 0.5);
}

.category-filter.is-active,
.category-filter:hover {
  color: #08101f;
  background: linear-gradient(135deg, #bfdbfe 0%, #93c5fd 100%);
  border-color: rgba(59, 130, 246, 0.9);
}

.category-filter[data-category="sciences"] {
  color: #17618e;
  background: #e5f3fb;
  border-color: #2586c7;
}

.category-filter[data-category="sciences"].is-active,
.category-filter[data-category="sciences"]:hover {
  color: #fff;
  background: #2586c7;
  border-color: #17618e;
}

.category-filter[data-category="domotique - electronique"] {
  color: #176441;
  background: #e5f4eb;
  border-color: #218c5b;
}

.category-filter[data-category="domotique - electronique"].is-active,
.category-filter[data-category="domotique - electronique"]:hover {
  color: #fff;
  background: #218c5b;
  border-color: #176441;
}

.category-filter[data-category="energies"] {
  color: #725600;
  background: #fff6d9;
  border-color: #d5a400;
}

.category-filter[data-category="energies"].is-active,
.category-filter[data-category="energies"]:hover {
  color: #342800;
  background: #f2c62d;
  border-color: #b58900;
}

.category-filter[data-category="philosophie"] {
  color: #60408b;
  background: #f1eafb;
  border-color: #8056c2;
}

.category-filter[data-category="philosophie"].is-active,
.category-filter[data-category="philosophie"]:hover {
  color: #fff;
  background: #8056c2;
  border-color: #60408b;
}

.category-filter[data-category="boîte à outils ingénieur"] {
  color: #4d5963;
  background: #edf0f2;
  border-color: #84919d;
}

.category-filter[data-category="boîte à outils ingénieur"].is-active,
.category-filter[data-category="boîte à outils ingénieur"]:hover {
  color: #fff;
  background: #71808c;
  border-color: #53616c;
}

.tag-filter.is-active,
.tag-filter:hover {
  color: #f8fafc;
  background: rgba(51, 65, 85, 0.95);
  border-color: rgba(148, 163, 184, 0.8);
}

.type-filter.is-active,
.type-filter:hover {
  color: #f8fafc;
  background: rgba(59, 130, 246, 0.32);
  border-color: rgba(147, 197, 253, 0.9);
}

.article-tile {
  --tile-accent: #84919d;
  --tile-accent-ink: #fff;
  --tile-accent-soft: #f1f3f5;
  min-width: 0;
  display: block;
  overflow: hidden;
  background: #fff;
  border: 2px solid var(--tile-accent);
  border-radius: 16px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.article-tile[data-category="Sciences"],
.article-tile[data-category="sciences"] {
  --tile-accent: #2586c7;
  --tile-accent-soft: #d8ebf7;
}

.article-tile[data-category="Domotique - Electronique"],
.article-tile[data-category="domotique - electronique"] {
  --tile-accent: #218c5b;
  --tile-accent-soft: #d8eddf;
}

.article-tile[data-category="Energies"],
.article-tile[data-category="energies"] {
  --tile-accent: #eab308;
  --tile-accent-ink: #3f3100;
  --tile-accent-soft: #fff0bd;
}

.article-tile[data-category="Philosophie"],
.article-tile[data-category="philosophie"] {
  --tile-accent: #8056c2;
  --tile-accent-soft: #e7dcf3;
}

.article-tile[data-category="Boîte à outils ingénieur"],
.article-tile[data-category="boîte à outils ingénieur"] {
  --tile-accent: #84919d;
  --tile-accent-soft: #e1e5e9;
}

.article-tile-link {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  color: #50565d;
  background: var(--tile-accent-soft);
  text-decoration: none;
}

.article-tile-main {
  display: flex;
  flex: 1;
  width: 100%;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border-radius: 14px;
  background: var(--tile-accent-soft);
}

.article-tile-visual {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 1.85;
  background: #e2e8f0;
}

.article-tile-image {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.article-tile-content {
  padding: 0.4rem 0.75rem 0.45rem;
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: stretch;
  gap: 0.2rem;
  background: var(--tile-accent-soft);
}

.article-tile-type {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  max-width: calc(100% - 1.1rem);
  overflow: hidden;
  padding: 0.25rem 0.72rem;
  color: var(--tile-accent-ink);
  background: var(--tile-accent);
  border-radius: 999px;
  font-size: 0.76rem;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-tile-category {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.55rem;
  padding: 0.32rem 0.72rem;
  color: #2563eb;
  background: #fff;
  border-radius: 999px;
  font-size: 0.72rem;
  line-height: 1.2;
}

.article-tile-title {
  color: #263442;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  font-weight: 600;
  line-height: 1.24;
}

.article-tile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.article-tile-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.08rem 0.32rem;
  border-radius: 999px;
  background: #e5edf3;
  color: #53616e;
  font-size: 0.68rem;
  line-height: 1.2;
}

.article-tile-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.3rem;
  margin-top: auto;
  padding-top: 0.2rem;
  color: #697586;
  border-top: 1px solid #e7ebef;
  font-size: 0.74rem;
  line-height: 1.25;
}

.article-tile-meta-tags {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 0.2rem;
}

.article-tile-meta .article-tile-tag {
  max-width: 100%;
  overflow-wrap: anywhere;
  white-space: normal;
}

.article-tile-meta time {
  justify-self: end;
  color: #697586;
  font-size: 0.66rem;
  white-space: nowrap;
}

.article-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 9px 22px rgba(15, 23, 42, 0.18);
}

.article-tile-link:focus-visible {
  outline: 3px solid #1d4ed8;
  outline-offset: -4px;
  border-radius: 14px;
}

.category-card {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.category-card:hover {
  transform: translateY(-2px);
  border-color: rgba(96, 165, 250, 0.5);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
}

.article-card-link {
  display: block;
}

.article-card-link-inner {
  display: block;
  color: inherit;
  text-decoration: none;
}

.article-card-body {
  padding: 1.2rem;
}

.category-card h2 {
  margin-bottom: 0.5rem;
  color: white;
}

.category-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 0;
  display: block;
}

.link-list {
  list-style: none;
  margin-top: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.link-list a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.link-list a:hover {
  text-decoration: underline;
}

.article-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.article-card {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
}

.article-card h2 {
  margin-bottom: 0.4rem;
  color: white;
}

.article-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 0.9rem;
}

.article-thumb-large {
  height: 260px;
}

.article-card .btn {
  margin-top: 0.8rem;
  background: var(--primary);
  color: #08101f;
}

.article-content {
  max-width: 850px;
}

.article-content h1 {
  margin-bottom: 1rem;
  color: #60a5fa;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.article-category-block,
.article-type-block,
.article-tags-block {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.8rem;
  border-radius: 14px;
  border: 1px solid transparent;
}

.article-category-block {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(96, 165, 250, 0.55);
}

.article-type-block {
  background: rgba(37, 99, 235, 0.12);
  border-color: rgba(96, 165, 250, 0.45);
}

.article-tags-block {
  background: rgba(148, 163, 184, 0.08);
  border-color: rgba(148, 163, 184, 0.25);
}

.article-badge-label {
  color: #cbd5e1;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-category-link,
.article-type-link {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 800;
}

.article-category-link {
  color: #08101f;
  background: linear-gradient(135deg, #dbeafe 0%, #93c5fd 100%);
  border: 1px solid rgba(191, 219, 254, 0.9);
}

.article-type-link {
  color: #e0f2fe;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(147, 197, 253, 0.8);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.article-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.7rem;
  color: #f8fafc;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.45);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
}

.article-content p {
  margin-bottom: 0.8rem;
}

.markdown-content {
  margin-top: 2rem;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
}

.markdown-math-display {
  margin: 1.2rem 0;
  padding: 1rem;
  overflow-x: auto;
  text-align: center;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.markdown-math-display .katex-display {
  margin: 0;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  margin: 1.5rem 0 0.8rem;
  color: #60a5fa;
}

.markdown-content p,
.markdown-content li {
  color: var(--text);
}

.markdown-content ul,
.markdown-content ol {
  margin: 1rem 0 1rem 1.5rem;
}

.markdown-toc {
  margin: 1.5rem 0 2rem;
  padding: 1rem 1.1rem;
  background: rgba(96, 165, 250, 0.06);
  border: 1px solid rgba(96, 165, 250, 0.22);
  border-radius: 12px;
}

.markdown-toc-title {
  margin: 0 0 0.75rem;
  color: #f8fafc;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.76rem;
}

.markdown-toc ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.markdown-toc li {
  list-style: none;
}

.markdown-toc a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.markdown-toc a:hover {
  text-decoration: underline;
}

.toc-level-2 { margin-left: 0; }
.toc-level-3 { margin-left: 0.75rem; }
.toc-level-4 { margin-left: 1.5rem; }
.toc-level-5 { margin-left: 2.25rem; }
.toc-level-6 { margin-left: 3rem; }

.markdown-content a {
  color: var(--primary);
  text-decoration: none;
}

.markdown-content a:hover {
  text-decoration: underline;
}

.markdown-figure {
  max-width: 720px;
  margin: 1.5rem auto;
}

.markdown-figure img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 420px;
  height: auto;
  margin: 0 auto;
  border-radius: 10px;
  object-fit: contain;
}

.markdown-figure figcaption {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: center;
}

.markdown-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem 1rem 1.2rem;
  border-left: 4px solid var(--primary);
  background: rgba(96, 165, 250, 0.08);
  border-radius: 10px;
  color: var(--text);
}

.markdown-content blockquote.markdown-note {
  background: rgba(250, 204, 21, 0.08);
  border-left-color: #fbbf24;
  box-shadow: inset 0 0 0 1px rgba(251, 191, 36, 0.22);
}

.markdown-content blockquote.markdown-note strong {
  color: #fef3c7;
}

.markdown-content blockquote p {
  margin: 0;
}

.markdown-details {
  margin: 1.25rem 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
}

.markdown-details summary {
  padding: 0.9rem 1rem;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.markdown-details summary::marker {
  color: var(--primary);
}

.markdown-details[open] summary {
  border-bottom: 1px solid var(--border);
}

.markdown-details-content {
  padding: 0.9rem 1rem;
}

.markdown-details-content > :first-child {
  margin-top: 0;
}

.markdown-details-content > :last-child {
  margin-bottom: 0;
}

.markdown-code-details {
  max-width: 100%;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
  overflow: hidden;
}

.markdown-code-details summary {
  padding: 0.75rem 1rem;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.markdown-code-details summary::marker {
  color: var(--primary);
}

.markdown-code-details .markdown-content pre,
.markdown-code-details pre {
  max-height: 20rem;
  margin: 0;
  padding: 1rem;
  overflow-y: auto;
  overflow-x: hidden;
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.8);
}

.markdown-content table {
  display: block;
  overflow-x: auto;
  max-width: 100%;
  min-width: 0;
}

.markdown-content pre {
  max-width: 100%;
  overflow-x: auto;
}

.markdown-content table th,
.markdown-content table td {
  min-width: 9rem;
}

.markdown-content thead th {
  background: rgba(96, 165, 250, 0.12);
  color: #f8fafc;
  text-align: left;
  font-weight: 700;
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid var(--border);
}

.markdown-content tbody td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  color: var(--text);
  vertical-align: top;
}

.markdown-content tbody tr:nth-child(even) {
  background: rgba(148, 163, 184, 0.04);
}

.markdown-content tbody tr:last-child td {
  border-bottom: none;
}

.markdown-content table strong {
  color: #f8fafc;
}

.contact-card {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem;
}

.contact-header {
  margin-bottom: 1.25rem;
}

.eyebrow {
  margin-bottom: 0.5rem;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-intro {
  font-size: 1.04rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.contact-email-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.3rem;
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.contact-label {
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-email-link {
  color: white;
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 700;
}

.contact-btn {
  margin-top: 0;
  white-space: nowrap;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
}

.success-message {
  background: rgba(34, 197, 94, 0.15);
  color: #bbf7d0;
  border: 1px solid rgba(74, 222, 128, 0.35);
  padding: 0.9rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.error-message {
  background: rgba(239, 68, 68, 0.16);
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, 0.4);
  padding: 0.9rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

#cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  padding: 1rem;
  background: rgba(2, 6, 23, 0.96);
  color: white;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.cookie-banner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cookie-btn {
  margin-top: 0;
  border: none;
  cursor: pointer;
}

.cookie-btn-secondary {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

footer {
  padding: 2.5rem 1.5rem 1.25rem;
  color: var(--muted);
  background: rgba(2, 6, 23, 0.55);
  border-top: 1px solid var(--border);
}

.site-footer-inner {
  max-width: 1150px;
  margin: 0 auto;
  text-align: center;
}

.site-footer h2 {
  margin-bottom: 1.25rem;
  color: #f8fafc;
  font-size: 1.25rem;
}

.site-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.site-map-group h3 {
  margin-bottom: 0.55rem;
  color: #e2e8f0;
  font-size: 0.9rem;
}

.site-map-group ul {
  display: grid;
  gap: 0.35rem;
  list-style: none;
  justify-items: center;
}

.site-map-group a {
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 0.18s ease;
}

.site-map-group a:hover,
.site-map-group a:focus-visible {
  color: var(--primary);
}

.site-footer-copyright {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  text-align: center;
}

@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
    gap: 0.7rem;
    padding: 0.85rem 1rem;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    gap: 0.2rem;
  }

  .site-map {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .nav-links > a,
  .dropdown-toggle {
    padding: 0.45rem 0.5rem;
    font-size: 0.92rem;
  }

  .dropdown-menu {
    left: 50%;
    transform: translate(-50%, 6px);
  }

  .dropdown:hover .dropdown-menu,
  .dropdown:focus-within .dropdown-menu,
  .dropdown.is-open .dropdown-menu {
    transform: translate(-50%, 0);
  }

  .hero-content {
    padding: 2.4rem 1rem 2.8rem;
  }

  .hero-content h2 {
    font-size: clamp(1.9rem, 9vw, 2.6rem);
    line-height: 1.08;
  }

  .hero-content > p:last-child {
    font-size: 0.98rem;
  }

  .featured-article {
    min-height: 0;
  }

  .featured-content {
    padding: 0.65rem 0.75rem 0.7rem;
  }

  .popular-slide {
    flex-basis: 82%;
  }

  .carousel-button {
    opacity: 1;
  }

  .section,
  .page-content {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .articles-page {
    padding-top: 2.5rem;
  }

  .article-tiles {
    grid-template-columns: 1fr;
  }

  .article-tile {
    border-width: 2px;
    border-radius: 14px;
  }

  .article-tile-main {
    border-radius: 12px;
  }

  .article-tile-content {
    padding: 0.4rem 0.65rem 0.45rem;
  }

  .article-tile-meta {
    font-size: 0.74rem;
  }

  .article-content,
  .contact-card {
    padding: 1.15rem;
  }

  .article-thumb-large {
    height: auto;
    max-height: 260px;
  }

  .markdown-content {
    margin-top: 1.5rem;
  }

  .markdown-content table th,
  .markdown-content table td {
    min-width: 8rem;
    padding: 0.7rem;
  }

  .contact-email-box {
    align-items: stretch;
    flex-direction: column;
  }

  .contact-btn {
    width: 100%;
    text-align: center;
  }

  .cookie-banner {
    align-items: stretch;
    flex-direction: column;
  }

  .cookie-actions {
    flex-direction: column;
  }

  .cookie-btn {
    width: 100%;
  }
}

@media (min-width: 601px) and (max-width: 900px) {
  .navbar {
    padding-right: 1.25rem;
    padding-left: 1.25rem;
  }

  .nav-links {
    max-width: 68%;
  }

  .section,
  .page-content {
    padding-right: 1.25rem;
    padding-left: 1.25rem;
  }

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

  .contact-email-box {
    align-items: flex-start;
    flex-wrap: wrap;
  }
}