@font-face {
    font-family: 'Archivo Black';
    src: url('Akt,Archivo_Black/Archivo_Black/ArchivoBlack-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: block;
  }
  
  *, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Archivo Black', sans-serif;
    background: #ffffff;
    color: #000000;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .intro {
    text-align: center;
    user-select: none;
  }
  
  .wordmark {
    font-size: clamp(5rem, 12vw, 10rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: -0.02em;
    display: flex;
    align-items: baseline;
    justify-content: center;
  }
  
  .unian {
    display: inline-block;
    overflow: hidden;
    max-width: 0;
    opacity: 0;
    white-space: nowrap;
    transition: max-width 2.6s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 2.2s ease;
  }
  
  .unian.visible {
    max-width: 100vw;
    opacity: 1;
  }
  
  nav {
    margin-top: 4rem;
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    opacity: 0;
    transition: opacity 1.8s ease;
  }
  
  nav.visible {
    opacity: 1;
  }
  
  nav a {
    font-family: 'Archivo Black', sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    color: #000000;
    transition: opacity 0.2s ease;
  }
  
  nav a:hover {
    opacity: 0.35;
  }
  
  @media (max-width: 480px) {
    nav {
      gap: 1.5rem;
    }
  }

/* ── back link — every sub-page ── */
.back {
  position: fixed;
  top: 2.5rem;
  left: 2.5rem;
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: #000;
  transition: opacity 0.2s ease;
}

.back:hover {
  opacity: 0.35;
}

/* ── top nav — W + section breadcrumb for detail pages ── */
.top-nav {
  position: fixed;
  top: 2.5rem;
  left: 2.5rem;
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
}

.top-nav a {
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: #000;
  transition: opacity 0.2s ease;
}

/* W — full opacity, dims on hover */
.top-nav a:hover { opacity: 0.35; }

/* section link — dimmed by default, brightens on hover */
.top-nav a + a { opacity: 0.35; }
.top-nav a + a:hover { opacity: 1; }

/* ── section page container ── */
.page {
  max-width: 38rem;
  margin: 0 auto;
}

/* ── section page title (TEXTS / PROJECTS / FRAGMENTS) ── */
.page-title {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.35;
  margin-bottom: 3.5rem;
}

/* ── year filter ── */
.years {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.year-btn {
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: #000;
  opacity: 0.3;
  transition: opacity 0.2s ease;
}

.year-btn:hover,
.year-btn.active {
  opacity: 1;
}

/* ── article / filing list ── */
.article-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* base row — grid-template-columns set per section */
.article-item {
  display: grid;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.article-list li:last-child {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

/* catalogue metadata — year, ff-code */
.article-year {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  opacity: 0.35;
}

.article-code {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  opacity: 0.5;
}

/* entry title — one clear step above catalogue */
.article-title {
  font-size: 0.95rem;
  text-decoration: none;
  color: #000;
  transition: opacity 0.2s ease;
}

.article-title:hover {
  opacity: 0.35;
}

/* ── return link — bottom of detail pages ── */
.return-link {
  display: inline-block;
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: underline;
  text-decoration-color: rgba(0, 0, 0, 0.25);
  text-underline-offset: 0.25em;
  color: #000;
  margin-top: 5rem;
  transition: opacity 0.2s ease;
}

.return-link:hover {
  opacity: 0.35;
}