.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  background: color-mix(in srgb, var(--color-background) 92%, transparent);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(15px);
  transition: min-height var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  border-color: color-mix(in srgb, var(--color-border) 48%, transparent);
  box-shadow: 0 8px 24px rgba(18, 63, 98, 0.04);
}

.header-inner {
  min-height: 94px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  transition: min-height var(--transition-fast);
}

.site-header.is-scrolled .header-inner {
  min-height: 72px;
}

.wordmark {
  position: relative;
  z-index: 1010;
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-decoration: none;
  white-space: nowrap;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2vw, 2rem);
}

.site-nav a {
  position: relative;
  padding-block: 0.65rem;
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 1px;
  background: var(--color-link);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.language-control {
  margin-left: 0.5rem;
  padding-left: 1.25rem;
  border-left: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.menu-toggle {
  position: relative;
  z-index: 1010;
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  position: absolute;
  left: 12px;
  width: 20px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast), top var(--transition-fast);
}

.menu-toggle::before { top: 15px; }
.menu-toggle span { top: 22px; }
.menu-toggle::after { top: 29px; }
.menu-toggle[aria-expanded="true"]::before { top: 22px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::after { top: 22px; transform: rotate(-45deg); }

.eyebrow {
  display: block;
  margin-bottom: 1rem;
  color: var(--color-link);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.lede {
  max-width: 42rem;
  color: color-mix(in srgb, var(--color-text) 82%, var(--color-muted));
  font-size: var(--step-1);
  line-height: 1.55;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.86rem 1.25rem;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.button:hover {
  background: var(--color-link);
  border-color: var(--color-link);
  color: var(--color-white);
  transform: translateY(-2px);
}

.button--secondary {
  background: transparent;
  color: var(--color-primary);
}

.button--secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.button--light {
  border-color: var(--color-white);
  background: var(--color-white);
  color: var(--color-primary);
}

.button--light:hover {
  border-color: var(--color-background-soft);
  background: var(--color-background-soft);
  color: var(--color-primary);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-link);
  font-weight: 600;
  text-decoration: none;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.page-intro {
  padding-block: clamp(5rem, 10vw, 8rem) 4rem;
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 50%, transparent);
}

.page-intro h1 {
  max-width: 900px;
}

.page-intro .lede {
  margin-top: 1.5rem;
}

.book-cover-frame {
  position: relative;
  padding: clamp(2rem, 5vw, 4.5rem);
  background: var(--color-background-soft);
  overflow: hidden;
}

.book-cover-frame::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid color-mix(in srgb, var(--color-border) 42%, transparent);
  pointer-events: none;
}

.book-cover {
  width: min(100%, 340px);
  margin-inline: auto;
  filter: drop-shadow(var(--shadow-book));
  transition: transform var(--transition-base);
}

.book-cover-link:hover .book-cover,
.book-cover-frame:hover .book-cover {
  transform: translateY(-6px);
}

.meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.meta-list li {
  padding: 1rem 1rem 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.meta-list strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--color-primary);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.event-list {
  border-top: 1px solid var(--color-border);
}

.event-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.65fr) minmax(280px, 2fr) minmax(180px, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--color-border);
}

.event-date {
  color: var(--color-primary);
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.event-title {
  margin-bottom: 0.25rem;
  font-family: var(--font-heading);
  font-size: 1.42rem;
  line-height: 1.2;
}

.event-note,
.event-location {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.event-location strong {
  display: block;
  color: var(--color-text);
  font-weight: 500;
}

.event-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.event-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.quote-block {
  position: relative;
  max-width: 900px;
  margin-inline: auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.5rem, 5vw, 4rem);
  text-align: center;
}

.quote-block::before {
  content: "“";
  position: absolute;
  top: -0.2rem;
  left: 50%;
  color: color-mix(in srgb, var(--color-primary) 13%, transparent);
  font-family: var(--font-heading);
  font-size: clamp(8rem, 20vw, 16rem);
  line-height: 1;
  transform: translateX(-50%);
  pointer-events: none;
}

.quote-block blockquote {
  position: relative;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.6vw, 3.8rem);
  line-height: 1.1;
}

.quote-source {
  position: relative;
  margin-top: 1.5rem;
  color: var(--color-muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.editorial-card {
  min-height: 100%;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--color-background);
}

.editorial-card .eyebrow {
  margin-bottom: 2rem;
}

.editorial-card h3 {
  font-size: clamp(1.6rem, 2.7vw, 2.3rem);
}

.editorial-card p {
  color: var(--color-muted);
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.archive-card {
  padding: 1rem;
  border: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
  background: var(--color-background);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.archive-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.archive-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--color-background-soft);
}

.archive-card h3 {
  margin-top: 1rem;
  font-size: 1.2rem;
}

.portrait-frame {
  position: relative;
  background: var(--color-background-soft);
  overflow: hidden;
}

.portrait-frame::after {
  content: "ARCHIVE / AMSTERDAM";
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.45rem 0.65rem;
  background: color-mix(in srgb, var(--color-background) 86%, transparent);
  color: var(--color-primary);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-footer {
  padding-block: 4rem 2rem;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand {
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 1.8rem;
}

.footer-note {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.footer-nav,
.footer-legal {
  display: grid;
  align-content: start;
  gap: 0.5rem;
}

.footer-nav a,
.footer-legal a {
  font-size: 0.88rem;
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.78rem;
}

.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-button {
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
}

.filter-button[aria-pressed="true"],
.filter-button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

.notice {
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-link);
  background: var(--color-background-soft);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.form-field {
  display: grid;
  gap: 0.45rem;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  min-height: 50px;
  padding: 0.8rem 0;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--color-link);
  outline: 0;
}

.lightbox {
  position: fixed;
  z-index: 1500;
  inset: 0;
  display: none;
  place-items: center;
  padding: 2rem;
  background: rgba(10, 24, 34, 0.88);
}

.lightbox.is-open {
  display: grid;
}

.lightbox img {
  max-width: min(100%, 1100px);
  max-height: 82vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-white);
  background: transparent;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 960px) {
  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.6rem;
    padding: 6rem var(--gutter) 3rem;
    background: var(--color-background);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 9vw, 4rem);
    font-weight: 500;
  }

  .language-control {
    margin-top: 1rem;
    margin-left: 0;
    padding-top: 1rem;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    border-left: 0;
    font-family: var(--font-body);
    font-size: 0.76rem;
  }

  .menu-toggle {
    display: block;
  }

  .event-row {
    grid-template-columns: 110px 1fr auto;
  }

  .event-location {
    grid-column: 2;
  }

  .event-actions {
    grid-row: 1 / span 2;
    grid-column: 3;
  }

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

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

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

  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .site-header.is-scrolled .header-inner {
    min-height: 72px;
  }

  .button-group,
  .button-group .button {
    width: 100%;
  }

  .event-row {
    display: block;
    padding: 1.35rem 0;
  }

  .event-date,
  .event-title,
  .event-location,
  .event-actions {
    margin-top: 0.65rem;
  }

  .event-actions {
    justify-content: flex-start;
  }

  .archive-grid,
  .form-grid,
  .meta-list {
    grid-template-columns: 1fr;
  }

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

  .footer-grid > :first-child {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.4rem;
  }
}