/* style.css — Lumen Tech Blog Design System
   Classic & Elegant | Bilingual NL/EN
   Palette: Deep Emerald + Rich Gold on Warm Parchment
   Fonts: Playfair Display (display) + Source Sans 3 (body)
*/

:root,
[data-theme='light'] {
  /* Surfaces — Warm Parchment (darker, richer) */
  --color-bg: #f2eee4;
  --color-surface: #f6f3ea;
  --color-surface-2: #ede8db;
  --color-surface-offset: #e6dfd0;
  --color-surface-offset-2: #ddd4c0;
  --color-surface-dynamic: #d0c7b2;
  --color-divider: #d8d0bf;
  --color-border: #cbc1ac;

  /* Text — Deep Forest Ink */
  --color-text: #15201b;
  --color-text-muted: #4f574f;
  --color-text-faint: #94998f;
  --color-text-inverse: #f2eee4;

  /* Primary Accent — Deep Emerald Green */
  --color-primary: #1a5d44;
  --color-primary-hover: #144532;
  --color-primary-active: #0e3324;
  --color-primary-highlight: #d4e3d8;

  /* Secondary Accent — Rich Gold */
  --color-secondary: #8b6914;
  --color-secondary-hover: #6e5310;
  --color-secondary-active: #523d0c;

  /* Semantic */
  --color-warning: #8b4513;
  --color-error: #8b2545;
  --color-success: #2d5a1e;
  --color-blue: #1a4a6b;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — deep green-tinted, richer */
  --shadow-sm: 0 1px 3px oklch(0.15 0.02 150 / 0.08);
  --shadow-md: 0 4px 16px oklch(0.15 0.02 150 / 0.1);
  --shadow-lg: 0 16px 48px oklch(0.15 0.02 150 / 0.16);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 8rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', sans-serif;
}

/* DARK MODE — Deep Forest */
[data-theme='dark'] {
  --color-bg: #0d1511;
  --color-surface: #121b16;
  --color-surface-2: #18221c;
  --color-surface-offset: #152019;
  --color-surface-offset-2: #1d2a22;
  --color-surface-dynamic: #25352b;
  --color-divider: #1a2520;
  --color-border: #283328;

  --color-text: #ddd9ce;
  --color-text-muted: #8a8f85;
  --color-text-faint: #565b54;
  --color-text-inverse: #0d1511;

  --color-primary: #4a9d7a;
  --color-primary-hover: #5ab088;
  --color-primary-active: #3a8565;
  --color-primary-highlight: #1a2d22;

  --color-secondary: #c9a856;
  --color-secondary-hover: #d4b66e;
  --color-secondary-active: #b89542;

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.45);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0d1511;
    --color-surface: #121b16;
    --color-surface-2: #18221c;
    --color-surface-offset: #152019;
    --color-surface-offset-2: #1d2a22;
    --color-surface-dynamic: #25352b;
    --color-divider: #1a2520;
    --color-border: #283328;
    --color-text: #ddd9ce;
    --color-text-muted: #8a8f85;
    --color-text-faint: #565b54;
    --color-text-inverse: #0d1511;
    --color-primary: #4a9d7a;
    --color-primary-hover: #5ab088;
    --color-primary-active: #3a8565;
    --color-primary-highlight: #1a2d22;
    --color-secondary: #c9a856;
    --color-secondary-hover: #d4b66e;
    --color-secondary-active: #b89542;
    --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
    --shadow-md: 0 4px 16px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 16px 48px oklch(0 0 0 / 0.45);
  }
}

/* ===== LAYOUT ===== */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-wide {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header--hidden {
  transform: translateY(-100%);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}

.header__logo svg {
  width: 32px;
  height: 32px;
  color: #e63946;
}

.header__logo-text {
  font-family: 'Fredoka', sans-serif;
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #e63946;
}

.header__about-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-left: var(--space-8);
  white-space: nowrap;
}

.header__about-link:hover {
  color: var(--color-primary);
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

.header__nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--color-text);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

.header__toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.header__lang {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.header__lang-btn {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.header__lang-btn.active {
  color: var(--color-primary);
}

.header__lang-btn:hover {
  color: var(--color-text);
}

.header__menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text);
}

.header__menu-btn:hover {
  background: var(--color-surface-2);
}

@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }
  .header__menu-btn {
    display: none;
  }
}

@media (max-width: 767px) {
  .header__about-link {
    display: none;
  }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: var(--space-8) var(--space-4);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu--open {
  transform: translateX(0);
}

.mobile-menu__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.mobile-menu__nav-link {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none;
  }
}

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

.hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-32));
  border-bottom: 1px solid var(--color-divider);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
  opacity: 0.6;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero__label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-primary);
}

.hero__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  max-width: 100%;
}

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

.hero__excerpt {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.hero__meta-author {
  font-weight: 600;
  color: var(--color-text);
}

.hero__meta-dot {
  width: 3px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-text-faint);
}

.hero__image {
  margin-top: var(--space-8);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.hero__image img {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 768px) {
  .hero {
    display: block;
  }
  .hero__image {
    margin-top: 0;
  }
}

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

.section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-24));
}

.section--offset {
  background: var(--color-surface);
}

.section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.section__title {
  font-size: var(--text-xl);
  font-weight: 700;
}

.section__link {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

.section__link:hover {
  color: var(--color-primary-hover);
}

/* ===== ARTICLE CARD ===== */

.article-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .article-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.article-card__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-bottom: var(--space-4);
  background: var(--color-surface-offset);
}

.article-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-card:hover .article-card__image img {
  transform: scale(1.03);
}

.article-card__category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.article-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-2);
  transition: color var(--transition-interactive);
}

.article-card:hover .article-card__title {
  color: var(--color-primary);
}

.article-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: auto;
}

/* ===== FEATURED LAYOUT ===== */

.featured-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .featured-layout {
    grid-template-columns: 2fr 1fr;
    gap: var(--space-10);
  }
}

.featured-main {
  display: flex;
  flex-direction: column;
}

.featured-main__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
}

.featured-main__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.featured-main__category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.featured-main__title {
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-3);
}

.featured-main__title a {
  color: inherit;
  text-decoration: none;
}

.featured-main__title a:hover {
  color: var(--color-primary);
}

.featured-main__excerpt {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.featured-main__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.featured-main__meta strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Side list */
.featured-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.side-article {
  display: flex;
  gap: var(--space-4);
  text-decoration: none;
  color: inherit;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.side-article:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.side-article__image {
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 96px;
  height: 72px;
  flex-shrink: 0;
  background: var(--color-surface-offset);
}

.side-article__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.side-article__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.side-article__category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.side-article__title {
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.35;
  transition: color var(--transition-interactive);
}

.side-article:hover .side-article__title {
  color: var(--color-primary);
}

.side-article__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

/* ===== CATEGORIES ===== */

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition:
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}

.category-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.category-card__img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.category-card__name {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-1) var(--space-1);
  text-align: center;
  line-height: 1.2;
}

.category-card__count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ===== NEWSLETTER ===== */

.newsletter {
  background: linear-gradient(135deg, var(--color-primary-active), var(--color-primary));
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 5vw, var(--space-16));
  text-align: center;
  position: relative;
  overflow: hidden;
}

.newsletter::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, oklch(from var(--color-secondary) l c h / 0.15), transparent 60%);
  pointer-events: none;
}

.newsletter__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text-inverse);
}

.newsletter__text {
  font-size: var(--text-base);
  color: color-mix(in oklab, var(--color-text-inverse) 70%, transparent);
  max-width: 45ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.newsletter__form {
  display: flex;
  gap: var(--space-2);
  max-width: 440px;
  margin-inline: auto;
}

.newsletter__input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in oklab, var(--color-text-inverse) 20%, transparent);
  background: color-mix(in oklab, var(--color-text) 20%, transparent);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
}

.newsletter__input::placeholder {
  color: color-mix(in oklab, var(--color-text-inverse) 40%, transparent);
}

.newsletter__input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.newsletter__btn {
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}

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

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

.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-8);
  background: var(--color-surface);
}

.footer__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer__top {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
}

.footer__brand-logo svg {
  width: 28px;
  height: 28px;
  color: #e63946;
}

.footer__brand-name {
  font-family: 'Fredoka', sans-serif;
  font-size: var(--text-lg);
  font-weight: 700;
  color: #e63946;
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 35ch;
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.footer__col-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer__col-link:hover {
  color: var(--color-primary);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.footer__social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.footer__social-link svg {
  width: 16px;
  height: 16px;
}

/* ===== ARTICLE PAGE ===== */

.article-hero {
  padding-block: clamp(var(--space-8), 5vw, var(--space-16)) var(--space-8);
}

.article-hero__category {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.article-hero__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  max-width: 100%;
}

.article-hero__excerpt {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.article-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.article-hero__meta-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--color-text);
}

.article-hero__meta-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-inverse);
}

.article-hero__image {
  margin-top: var(--space-8);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.article-hero__image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Article body */
.article-body {
  padding-block: var(--space-12);
}

.article-body__content {
  max-width: 65ch;
  margin-inline: auto;
}

.article-body__content p {
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.article-body__content h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.article-body__content h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article-body__content blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  line-height: 1.5;
  color: var(--color-text);
}

.article-body__content blockquote cite {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-text-muted);
}

.article-body__content figure {
  margin: var(--space-8) 0;
}

.article-body__content figure img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: auto;
  display: block;
}

.article-body__content figcaption {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-2);
}

.article-body__content ul,
.article-body__content ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}

.article-body__content li {
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.article-body__content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body__content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  background: var(--color-surface-offset);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ===== ABOUT PAGE ===== */

.about-hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  text-align: center;
}

.about-hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.about-hero__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  max-width: 20ch;
  margin-inline: auto;
}

.about-hero__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin-inline: auto;
  line-height: 1.6;
}

.about-content {
  max-width: 65ch;
  margin-inline: auto;
}

.about-content p {
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.about-content h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.about-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

@media (min-width: 768px) {
  .about-values {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-value {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
}

.about-value__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-3);
}

.about-value__title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.about-value__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== ARCHIVE PAGE ===== */

.archive-header {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  text-align: center;
  border-bottom: 1px solid var(--color-divider);
}

.archive-header__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.archive-header__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin-inline: auto;
}

.archive-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-6);
}

.archive-filter {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  cursor: pointer;
}

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

.archive-filter.active {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-color: var(--color-text);
}

.archive-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.archive-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-divider);
  text-decoration: none;
  color: inherit;
}

@media (min-width: 768px) {
  .archive-item {
    grid-template-columns: 120px 1fr 200px;
    gap: var(--space-6);
    align-items: center;
  }
}

.archive-item__date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.archive-item__title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.3;
  transition: color var(--transition-interactive);
}

.archive-item:hover .archive-item__title {
  color: var(--color-primary);
}

.archive-item__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: var(--space-1);
}

.archive-item__category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ===== LANGUAGE TOGGLE ===== */

[data-lang="en"] [data-nl],
[data-lang="nl"] [data-en] {
  display: none !important;
}

/* ===== UTILITY ===== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-4);
  z-index: 100;
  padding: var(--space-3) var(--space-5);
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
}

.skip-link:focus {
  left: var(--space-4);
}

/* ===== ARTICLE SHARE ===== */
.article-share {
  margin: var(--space-8) 0 var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.article-share__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.article-share__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.article-share__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  color: #fff;
  transition: opacity 0.2s, transform 0.2s;
  line-height: 1;
}

.article-share__link:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.article-share__link svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.article-share__link span {
  white-space: nowrap;
}

.article-share__link--twitter {
  background: #1a3a8a;
}

.article-share__link--facebook {
  background: #1a3a8a;
}

.article-share__link--linkedin {
  background: #1a3a8a;
}

.article-share__link--whatsapp {
  background: #1a3a8a;
}

.article-share__link--messenger {
  background: #1a3a8a;
}

.article-share__link--instagram {
  background: #1a3a8a;
}

.article-share__link--email {
  background: #1a3a8a;
}

.article-share .article-share__link {
  color: #ffffff;
}