html, body { height: 100%; margin: 0; padding: 0; scrollbar-gutter: stable; }

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

html.has-modal-open,
body.has-modal-open {
  overflow: hidden !important;
}

:root {
  --column-count: 5;
  --page-x: 1rem;
  --header-gap: clamp(0.72rem, 1.35vh, 1.08rem);
  --logo-size: clamp(0.5rem, 0.9vw, 0.85rem);
  --header-logo-row: clamp(1rem, 2.1vw, 1.45rem);
  --header-nav-row: 0.68rem;
  --header-row-gap: clamp(0.58rem, 1.05vh, 0.86rem);
  --header-height: calc((var(--header-gap) * 2) + var(--header-logo-row) + var(--header-row-gap) + var(--header-nav-row));
  --page-title-dither-height: clamp(5rem, 11vh, 9rem);
}

body,
.wrap {
  background: #fff;
  color: #111;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: var(--header-height);
  padding: var(--header-gap) var(--page-x);
  background: #fff;
  overflow: hidden;
}

.topbar-left {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--header-row-gap);
}

.topbar-logo {
  position: relative;
  display: block;
  width: 100%;
  height: var(--header-logo-row);
  overflow: hidden;
  justify-self: auto;
  margin: 0;
  font-size: var(--logo-size);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.08em;
  color: transparent;
  text-decoration: none;
  cursor: pointer;
  border-bottom: 0;
}

.topbar-logo::before {
  content: "GIORDANOMATTAR\00a0\00a0\00a0\00a0\00a0\00a0 GIORDANOMATTAR\00a0\00a0\00a0\00a0\00a0\00a0 GIORDANOMATTAR\00a0\00a0\00a0\00a0\00a0\00a0 GIORDANOMATTAR\00a0\00a0\00a0\00a0\00a0\00a0 GIORDANOMATTAR\00a0\00a0\00a0\00a0\00a0\00a0 GIORDANOMATTAR\00a0\00a0\00a0\00a0\00a0\00a0";
  position: absolute;
  left: 0;
  top: 50%;
  display: block;
  width: max-content;
  color: #111;
  font-size: clamp(0.66rem, 1vw, 0.92rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
  translate: 0 -50%;
  transform: none;
  scale: 1.8 1;
  animation: topbarLogoMarquee 34s linear infinite;
  will-change: translate;
}

.topbar-logo.has-logo-marquee::before {
  content: none;
}

.topbar-logo-track {
  position: absolute;
  left: 0;
  top: 50%;
  display: flex;
  align-items: center;
  width: max-content;
  color: #111;
  font-size: clamp(0.66rem, 1vw, 0.92rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
  translate: 0 -50%;
  transform: none;
  scale: 1.8 1;
  animation: topbarLogoMarquee 34s linear infinite;
  will-change: translate;
}

.topbar-logo-group {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.topbar-logo-unit {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.topbar-logo-gap {
  display: inline-block;
  width: 6ch;
  flex-shrink: 0;
}

.topbar-nav {
  position: relative;
  left: auto;
  top: auto;
  justify-self: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.8rem;
  width: 100%;
  white-space: nowrap;
  translate: none;
}

.topbar-nav a {
  position: relative;
  display: inline-block;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: #999;
}

.topbar-nav a.is-active,
.topbar-nav a:hover { color: #111; }

/* Bayer dither mask applied via JS in mobile-nav.js */

.page-dither-title {
  position: relative;
  width: 100%;
  height: var(--page-title-dither-height);
  margin-top: var(--header-height);
  overflow: hidden;
  flex-shrink: 0;
}

@keyframes topbarLogoMarquee {
  from { translate: 0 -50%; }
  to { translate: -50% -50%; }
}

/* ── Archive Toggle Menu ────────────────────────────────────── */
.archive-wrapper {
  display: flex;
  align-items: center;
  position: relative;
  padding: 0;
  margin: 0;
}

.archive-wrapper::before {
  content: "";
  position: absolute;
  left: -1.45rem;
  right: -4.2rem;
  top: -1.15rem;
  bottom: -1.15rem;
  pointer-events: auto;
}

.archive-plus {
  position: relative;
  display: inline-block;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.06em;
  color: #999;
  cursor: pointer;
  transition: color 0.2s ease;
  user-select: none;
  /* Reset button defaults */
  background: none;
  border: none;
  padding: 0;
  appearance: none;
}

.archive-dropdown {
  position: absolute;
  left: 100%;
  top: 50%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateX(-15px) translateY(-50%);
  white-space: nowrap;
  display: flex;
  gap: 1.8rem;
  padding: 1.35rem 1rem 1.35rem 1.8rem;
}

.archive-wrapper:hover .archive-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0) translateY(-50%);
}

.archive-wrapper:hover .archive-plus,
.archive-wrapper.is-current .archive-plus {
  color: #111;
}

@media (min-width: 561px) {
  .archive-wrapper.is-current .archive-dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0) translateY(-50%);
  }
}

.archive-dropdown a { color: #999; text-decoration: none; transition: color 0.2s ease; }
.archive-dropdown a:hover { color: #111; }

.placeholder-page {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding-top: var(--header-height);
  letter-spacing: 0.16em;
}

@media (max-width: 1280px) { :root { --column-count: 4; } }
@media (max-width: 1040px) { :root { --column-count: 3; } }
@media (max-width: 780px) { :root { --column-count: 3; } }
@media (max-width: 560px) {
  :root {
    --column-count: 2;
    --page-x: 0.75rem;
    --header-height: 5.9rem;
  }

  @keyframes mobileLogoMarquee {
    from { translate: 0 0; }
    to { translate: -50% 0; }
  }

  .topbar {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    min-height: auto;
    overflow: visible;
    z-index: 500;
  }

  .topbar-left {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .topbar-logo {
    display: block !important;
    grid-column: auto;
    position: relative;
    width: 100%;
    height: 3.35rem;
    overflow: hidden;
    justify-self: auto;
    margin: 0;
    padding: 1.55rem 0 0.55rem;
    color: transparent;
    text-decoration: none !important;
    border-bottom: 0 !important;
  }

  .topbar-logo.has-logo-marquee {
    pointer-events: none;
  }

  .topbar-logo::before {
    content: "GIORDANOMATTAR  GIORDANOMATTAR  GIORDANOMATTAR  GIORDANOMATTAR  GIORDANOMATTAR  GIORDANOMATTAR";
    position: absolute;
    left: 0;
    top: auto;
    bottom: 0.55rem;
    display: block;
    width: max-content;
    color: #111;
    font-size: 0.7rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: 0.08em;
    white-space: nowrap;
    transform-origin: left center;
    transform: none;
    scale: 1.8 1;
    animation: mobileLogoMarquee 18s linear infinite;
    will-change: translate;
  }

  .topbar-logo-track {
    top: auto;
    bottom: 0.55rem;
    height: 1rem;
    font-size: 0.7rem;
    translate: 0 0;
    animation-duration: 18s;
    pointer-events: auto;
    cursor: pointer;
  }

  .topbar-logo-gap {
    width: 2ch;
  }

  .topbar-nav {
    position: static !important;
    left: auto !important;
    top: auto !important;
    translate: none !important;
    transform: none !important;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: clamp(0.75rem, 4vw, 1.1rem);
    width: 100%;
    padding: 0.34rem 0.7rem 0.82rem;
    white-space: nowrap;
  }

  .topbar-nav a {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    display: inline-block;
  }

  .topbar-nav a::after,
  .archive-plus::after {
    content: "";
    position: absolute;
    inset: -0.72rem -0.26rem;
  }

  .archive-plus {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    display: inline-block;
  }

  .archive-wrapper {
    padding: 0;
    margin: 0;
  }

  .archive-wrapper::before {
    content: none;
  }

  .archive-wrapper:hover .archive-dropdown {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: translateX(-50%) translateY(-4px) !important;
  }

  .archive-dropdown {
    position: absolute !important;
    top: calc(100% + 0.55rem) !important;
    left: 50% !important;
    transform: translateX(-50%) translateY(-4px) !important;
    flex-direction: column;
    align-items: center;
    gap: clamp(1.2rem, 4.2svh, 1.8rem);
    padding: clamp(1.1rem, 2.5vw, 1.7rem);
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid #111;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.08);
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 300;
    white-space: nowrap;
  }

  .archive-wrapper.is-open .archive-dropdown {
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: translateX(-50%) translateY(0) !important;
  }

  .archive-dropdown a {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
  }

  .archive-dropdown button.mode-btn {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
  }
}

/* ── Mode toggle buttons in + dropdown ── */
.archive-dropdown button.mode-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: #999;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
}

.archive-dropdown button.mode-btn:hover,
.archive-dropdown button.mode-btn.is-active {
  color: #111;
}

.mode-btn .icon-on  { display: none; }
.mode-btn .icon-off { display: block; }
.mode-btn.is-active .icon-off { display: none; }
.mode-btn.is-active .icon-on  { display: block; }

/* ── Dark mode ── */
html.dark-mode {
  color-scheme: dark;
  background: #000;
}

html.dark-mode,
html.dark-mode body,
html.dark-mode .wrap,
html.dark-mode .home-wrap,
html.dark-mode .works-wrap,
html.dark-mode .works-page,
html.dark-mode .about-page {
  background: #000;
  color: #f2f2f2;
}

html.dark-mode .topbar,
html.dark-mode .section-toggle-bar,
html.dark-mode .section-toggle-bar::after,
html.dark-mode .bottom-bar,
html.dark-mode .about-dither-bottom {
  background: #000;
}

html.dark-mode .archive-dropdown {
  background: rgba(0, 0, 0, 0.98);
  border-color: #222;
}

html.dark-mode .topbar-logo::before,
html.dark-mode .topbar-logo-track,
html.dark-mode .marquee-track,
html.dark-mode .topbar-nav a.is-active,
html.dark-mode .topbar-nav a:hover,
html.dark-mode .archive-wrapper:hover .archive-plus,
html.dark-mode .archive-wrapper.is-current .archive-plus,
html.dark-mode .archive-dropdown a:hover,
html.dark-mode .archive-dropdown button.mode-btn:hover,
html.dark-mode .archive-dropdown button.mode-btn.is-active,
html.dark-mode .label-name,
html.dark-mode .modal-project-name,
html.dark-mode .work-title,
html.dark-mode .work-subtitle,
html.dark-mode .work-link:hover .work-title,
html.dark-mode .about-cell-text,
html.dark-mode .about-bio-button,
html.dark-mode .about-cta-label,
html.dark-mode .about-cta-link,
html.dark-mode .bio-popup-title,
html.dark-mode .bio-popup-text,
html.dark-mode .bio-popup-close {
  color: #f2f2f2;
}

html.dark-mode .topbar-nav a,
html.dark-mode .archive-plus,
html.dark-mode .archive-dropdown a,
html.dark-mode .archive-dropdown button.mode-btn,
html.dark-mode .label-code,
html.dark-mode .modal-close-btn,
html.dark-mode .work-link,
html.dark-mode .work-year,
html.dark-mode .about-meta-left,
html.dark-mode .about-meta-right,
html.dark-mode .about-cell-num,
html.dark-mode .about-footer-copy,
html.dark-mode .about-footer-time,
html.dark-mode .about-copyright-track,
html.dark-mode .copyright-track {
  color: #777;
}

html.dark-mode .toggle-label[data-side="photo"],
html.dark-mode .section-toggle[data-active="graphics"] .toggle-label[data-side="graphics"] {
  color: #f2f2f2;
}

html.dark-mode .toggle-label[data-side="graphics"],
html.dark-mode .section-toggle[data-active="graphics"] .toggle-label[data-side="photo"] {
  color: #555;
}

html.dark-mode .toggle-track,
html.dark-mode .scroll-area::-webkit-scrollbar-thumb,
html.dark-mode .works-page::-webkit-scrollbar-thumb {
  background: #333;
}

html.dark-mode .scroll-area,
html.dark-mode .works-page {
  scrollbar-color: #333 transparent;
}

html.dark-mode .toggle-knob {
  background: #000;
  border-color: #f2f2f2;
}

html.dark-mode .work-item,
html.dark-mode .work-item:last-child,
html.dark-mode .about-grid,
html.dark-mode .about-cell,
html.dark-mode .about-cell-cta,
html.dark-mode .about-footer {
  border-color: #222;
}

html.dark-mode .bio-popup {
  background: rgba(0, 0, 0, 0.98);
  border-color: #f2f2f2;
  box-shadow: 0 28px 80px rgba(255, 255, 255, 0.08);
}

@media (max-width: 560px) {
  html.dark-mode .archive-dropdown {
    background: rgba(0, 0, 0, 0.98);
    border-color: #f2f2f2;
    box-shadow: 0 28px 80px rgba(255, 255, 255, 0.08);
  }
}

html.dark-mode .modal-overlay {
  background-color: rgba(0, 0, 0, 0.94);
}

html.dark-mode .modal-preview,
html.dark-mode .tile,
html.dark-mode .inline-image {
  background-color: #111;
}

html.dark-mode .inline-image.has-image {
  background: transparent;
}

html.dark-mode img,
html.dark-mode video,
html.dark-mode .tile-bg,
html.dark-mode .modal-preview::after,
html.dark-mode .inline-image img {
  filter: none;
}

html.dark-mode .about-cell-text mark {
  color: #000;
}

html.dark-mode .about-cta-link.is-hovered {
  color: #000;
}

/* Monochrome decorative canvases are inverted; real images are not filtered. */
html.dark-mode .marquee-wrap > canvas,
html.dark-mode .page-dither-title > canvas,
html.dark-mode .about-dither-bottom > canvas,
html.dark-mode mark canvas,
html.dark-mode #mark-dither-canvas,
html.dark-mode .work-dither-canvas {
  filter: invert(1);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .marquee-track,
  .copyright-track,
  .about-copyright-track,
  .topbar-logo::before,
  .topbar-logo-track {
    animation: none !important;
    translate: none !important;
  }

  .marquee-wrap > canvas,
  .page-dither-title > canvas,
  .about-dither-bottom > canvas,
  .work-dither-canvas,
  #mark-dither-canvas {
    display: none;
  }
}