/* ==========================================================================
   THE STUDIO INDEX — Layout
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background-color: var(--bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

html, body {
  overflow-anchor: none;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: clip;
  transition: background-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ----- Page reveal ----- */
html.soft-reveal .page-content {
  opacity: 0;
}

html.soft-reveal .page-content.is-ready {
  opacity: 1;
  transition: opacity var(--duration-glacial) var(--ease-editorial);
}

@media (prefers-reduced-motion: reduce) {
  html.soft-reveal .page-content {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  @media (max-width: 767px) {
    .nav-bridge,
    .bridge-right-zone {
      transition: none !important;
    }
  }
}

/* ----- Nav ----- */
.nav-bridge {
  position: sticky;
  top: 0;
  z-index: 1300;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "logo controls" "links links";
  align-items: center;
  min-height: var(--nav-height);
  padding: var(--space-3) var(--page-pad);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.bridge-logo {
  grid-area: logo;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--text);
}

.nav-controls {
  grid-area: controls;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-self: end;
}

.nav-menu-toggle {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  color: var(--text);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  padding: var(--space-2);
  border: none;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.theme-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid currentColor;
  background: transparent;
  transition: background var(--duration-fast) ease;
}

html.dark .theme-dot {
  background: currentColor;
}

.bridge-right-zone {
  grid-area: links;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  max-width: 16rem;
  min-height: 0;
  overflow: hidden;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.nav-link,
.nav-link:visited,
.nav-link:active {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text) !important;
  text-decoration: none !important;
  opacity: 0.6;
  transition: opacity var(--duration-fast) ease;
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  opacity: 1;
}

.nav-link span,
.current-text {
  pointer-events: none;
}

.journal-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1ch;
  width: auto;
  line-height: 1;
}

html.has-journal-key .journal-count {
  gap: 0.35em;
}

html.has-journal-key .journal-count::after {
  content: '◆';
  font-size: 0.7em;
  line-height: 1;
  opacity: 0.5;
  position: relative;
  left: 0.5em;
  top: -0.22em;
}

/* ----- Page shell ----- */
.page-content {
  width: 100%;
}

#archive-filters,
#journal-filter-anchor {
  scroll-margin-top: var(--nav-height);
}

/* ----- Grids ----- */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5) var(--space-3);
  padding: var(--space-5) var(--page-pad) var(--space-8);
  max-width: var(--content-max);
  margin: 0 auto;
}

/* Calm grid resize transition (used for grid density toggles). */
#archive-grid,
#journal-container {
  transition: opacity 140ms ease, transform 140ms ease;
  will-change: opacity, transform;
  overflow-anchor: none;
}

.is-grid-resizing {
  opacity: 0.65;
  transform: translateY(4px);
}

@media (prefers-reduced-motion: reduce) {
  #archive-grid,
  #journal-container {
    transition: none;
    transform: none;
  }
}

.journal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5) var(--space-3);
  padding: var(--space-5) var(--page-pad) var(--space-8);
  max-width: var(--content-max);
  margin: 0 auto;
}

@media (max-width: 767px) {
  html[data-mobile-grid-cols="1"] .archive-grid,
  html[data-mobile-grid-cols="1"] .journal-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  html[data-grid-cols="3"]:not([data-mobile-grid-cols="1"]) .archive-grid,
  html[data-grid-cols="3"]:not([data-mobile-grid-cols="1"]) .journal-grid,
  html[data-grid-cols="4"]:not([data-mobile-grid-cols="1"]) .archive-grid,
  html[data-grid-cols="4"]:not([data-mobile-grid-cols="1"]) .journal-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ----- Footer ----- */
footer {
  position: relative;
  margin-top: var(--space-8);
  padding: var(--space-8) var(--page-pad) var(--space-6);
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: var(--content-max);
  margin: 0 auto var(--space-8);
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-logo,
.column-title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text);
  text-decoration: none;
}

.footer-tagline,
.footer-column a {
  font-family: var(--font-editorial);
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--muted);
  text-decoration: none;
  line-height: 1.6;
}

.footer-column a:hover {
  color: var(--text);
}

.disclosure {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-align: center;
  max-width: 40rem;
  margin: 0 auto;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  color: var(--muted);
  line-height: 1.7;
}

/* ----- About layout ----- */
.about-content-wrapper {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 var(--page-pad) var(--space-8);
}

.sticky-boundary {
  position: relative;
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--border);
}

.section-title {
  position: sticky;
  top: var(--nav-height);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-3);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--muted);
  letter-spacing: 0.2em;
  padding: var(--space-5) 0 var(--space-3);
}

.section-title::after {
  content: "";
  width: 100%;
  height: 1px;
  background: var(--border);
}

.archive-logic {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: var(--space-7) 0 var(--space-5);
  font-family: var(--font-mono);
}

.manifesto-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  padding: var(--space-7) 0;
  border-bottom: 1px solid var(--border);
}

/* ----- Responsive layout ----- */
@media (min-width: 390px) {
  .archive-grid,
  .journal-grid {
    gap: var(--space-6) var(--space-4);
  }
}

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

@media (min-width: 768px) {
  .nav-bridge {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--page-pad);
  }

  .nav-menu-toggle {
    display: none;
  }

  .nav-controls {
    margin-left: var(--space-5);
  }

  .bridge-right-zone {
    display: flex !important;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-6);
    width: auto;
    padding: 0;
    margin: 0;
    border-top: none;
    overflow: visible;
    opacity: 1;
    transform: none;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-link,
  .nav-link:visited,
  .nav-link:active {
    width: auto;
    justify-content: flex-start;
    white-space: nowrap;
  }

  .archive-grid,
  .journal-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-7) var(--space-5);
    padding: var(--space-7) var(--page-pad) var(--space-6);
  }

  html[data-grid-cols="4"] .archive-grid,
  html[data-grid-cols="4"] .journal-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-7) var(--space-5);
  }

  .footer-main {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .manifesto-row {
    grid-template-columns: minmax(140px, 200px) 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 767px) {
  .nav-bridge {
    min-height: 0;
    align-items: stretch;
    grid-template-rows: auto minmax(0, 0fr);
    overflow: hidden;
    transition: grid-template-rows var(--duration-slow) var(--ease-editorial);
  }

  .nav-bridge.is-menu-open {
    grid-template-rows: auto minmax(0, 1fr);
  }

  .nav-bridge.is-menu-open.is-menu-closing {
    grid-template-rows: auto minmax(0, 0fr);
  }

  .bridge-right-zone {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: none;
  }

  .nav-bridge.is-menu-open.is-menu-closing .bridge-right-zone {
    visibility: hidden;
    pointer-events: none;
    opacity: 1;
    transition: none;
  }

  .nav-bridge.is-menu-open .bridge-right-zone {
    margin-top: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition:
      opacity var(--duration-slow) var(--ease-editorial),
      visibility 0s linear 0s;
  }

  .bridge-logo,
  .nav-controls {
    align-self: center;
  }

  .bridge-right-zone .nav-link,
  .bridge-right-zone .nav-link:visited,
  .bridge-right-zone .nav-link:active {
    justify-content: flex-start;
    gap: 1.85rem;
  }

  .bridge-right-zone .journal-count {
    min-width: auto;
    width: auto;
  }

}

@media (min-width: 480px) and (max-width: 767px) {
  :root {
    --nav-height: 52px;
  }

  .nav-bridge {
    padding: var(--space-3) var(--page-pad);
    grid-template-rows: calc(var(--nav-height) - 2 * var(--space-3)) minmax(0, 0fr);
  }

  .nav-bridge.is-menu-open {
    grid-template-rows: calc(var(--nav-height) - 2 * var(--space-3)) minmax(0, 1fr);
  }

  .nav-bridge.is-menu-open.is-menu-closing {
    grid-template-rows: calc(var(--nav-height) - 2 * var(--space-3)) minmax(0, 0fr);
  }

  .bridge-logo,
  .nav-controls {
    align-self: center;
  }

  .bridge-logo {
    white-space: nowrap;
  }

  .nav-menu-toggle {
    padding: 0.15rem var(--space-2);
    line-height: 1;
  }

  .theme-toggle {
    padding: 0.15rem;
  }
}

@media (max-width: 767px) and (hover: hover) and (pointer: fine) {
  .bridge-logo {
    font-size: var(--text-sm);
  }

  .nav-menu-toggle {
    font-size: var(--text-sm);
    min-height: 0;
    line-height: 1;
  }
}

@media (max-width: 479px) {
  :root {
    --nav-height: calc(44px + 2 * var(--space-2));
  }

  .nav-bridge {
    padding: var(--space-2) var(--page-pad);
    grid-template-rows: calc(var(--nav-height) - 2 * var(--space-2)) minmax(0, 0fr);
  }

  .nav-bridge.is-menu-open {
    grid-template-rows: calc(var(--nav-height) - 2 * var(--space-2)) minmax(0, 1fr);
  }

  .nav-bridge.is-menu-open.is-menu-closing {
    grid-template-rows: calc(var(--nav-height) - 2 * var(--space-2)) minmax(0, 0fr);
  }

  .bridge-logo,
  .nav-controls {
    align-self: center;
  }

  .bridge-logo {
    white-space: nowrap;
  }

  .nav-menu-toggle {
    padding: 0 var(--space-2);
  }

  .theme-toggle {
    padding: var(--space-1);
  }
}

@media (max-width: 479px) and (hover: none), (max-width: 479px) and (pointer: coarse) {
  .nav-menu-toggle {
    min-height: 44px;
    line-height: 1.2;
  }

  .bridge-logo {
    font-size: calc(var(--text-sm) + 1px);
  }

  .nav-menu-toggle {
    font-size: calc(var(--text-sm) + 1px);
  }

  .bridge-right-zone .nav-link,
  .bridge-right-zone .nav-link:visited,
  .bridge-right-zone .nav-link:active {
    font-size: calc(var(--text-sm) + 2px);
  }

  .footer-logo,
  .column-title {
    font-size: calc(var(--text-sm) + 1px);
  }

  .footer-tagline,
  .footer-column a {
    font-size: calc(var(--text-base) + 1px);
  }

  .disclosure {
    font-size: calc(var(--text-xs) + 1px);
  }
}

@media (min-width: 1280px) {
  html[data-grid-cols="4"] .archive-grid,
  html[data-grid-cols="4"] .journal-grid {
    gap: var(--space-8) var(--space-7);
  }
}