# Studio layer: editorial bands, 3D flips, forms. Transform/opacity only.

.kicker {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.rule,
.rule-accent {
  width: 2.75rem;
  height: 1px;
  margin: var(--space-md) 0 var(--space-lg);
  border: 0;
  background: var(--hairline);
  opacity: 1;
}

.rule-accent {
  background: linear-gradient(90deg, rgb(var(--ch)), rgb(var(--eu)));
  opacity: 0.55;
}

.studio-band {
  position: relative;
  z-index: 1;
  contain: layout paint;
  content-visibility: auto;
  contain-intrinsic-size: auto 26rem;
  padding: 3.75rem 0 3.25rem;
}

.studio-band:first-of-type {
  content-visibility: visible;
}

.studio-band-inner {
  max-width: 60rem;
  margin: 0 auto;
  padding: 0 max(1.25rem, var(--safe-right)) 0 max(1.25rem, var(--safe-left));
}

.studio-band-head {
  max-width: 34rem;
  margin-bottom: var(--space-xl);
}

.studio-band-title {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: var(--leading-tight);
  color: var(--text);
  text-transform: none;
}

.studio-lead {
  margin: var(--space-sm) 0 0;
  max-width: 32rem;
  color: var(--muted);
  font-size: var(--text-base);
  line-height: 1.6;
}

.studio-copy {
  max-width: 38rem;
  color: var(--muted);
  font-size: var(--text-base);
  line-height: 1.65;
}

.studio-copy p + p { margin-top: var(--space-md); }
.studio-copy strong { color: var(--text); font-weight: 500; }

.sites-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.sites-nav a {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.85rem;
  border: 1px solid color-mix(in oklab, var(--border) 72%, var(--hairline));
  border-radius: var(--radius-pill);
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--surface-raised) 88%, var(--text) 12%) 0%,
    var(--surface) 100%
  );
  box-shadow: inset 0 1px 0 color-mix(in oklab, var(--text) 8%, transparent);
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: border-color 0.35s var(--ease-out), color 0.35s var(--ease-out), background 0.35s var(--ease-out);
}

.sites-nav a:hover {
  color: var(--text);
  border-color: color-mix(in oklab, var(--accent) 38%, var(--border));
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--surface-raised) 92%, var(--text) 8%) 0%,
    color-mix(in oklab, var(--surface) 94%, var(--text) 6%) 100%
  );
  text-decoration: none;
}

.spore-live {
  margin: 0 0 0.75rem;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.spore-live strong {
  font-weight: 500;
}

.work-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  align-items: stretch;
}

.work-open {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 1.2rem 1.25rem 1.1rem;
  text-align: left;
  color: inherit;
  font: inherit;
  background: linear-gradient(165deg, var(--surface-raised) 0%, var(--surface) 78%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.work-open:hover,
.work-open:focus-visible {
  border-color: color-mix(in oklab, var(--accent) 28%, var(--hairline));
  outline: none;
}

.work-open .card-name,
.work-open .card-desc,
.work-open .card-kicker,
.work-open .card-domain {
  margin: 0;
}

.work-dialog {
  width: min(36rem, calc(100% - 2rem));
  max-height: calc(100% - 2rem);
  padding: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

.work-dialog::backdrop {
  background: color-mix(in oklab, var(--bg) 72%, transparent);
}

.work-dialog-panel {
  padding: 1.25rem 1.35rem 1.4rem;
}

.work-dialog-close {
  float: right;
  margin: 0 0 0.5rem 1rem;
  padding: 0.2rem 0;
  font: inherit;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 0;
  border-bottom: 1px solid transparent;
  cursor: pointer;
}

.work-dialog-close:hover,
.work-dialog-close:focus-visible {
  color: var(--text);
  border-bottom-color: var(--text);
}

.work-dialog-body p {
  margin: 0 0 0.75rem;
}

.work-dialog-body h3 {
  margin: 0 0 0.6rem;
  font-size: var(--text-lg);
  font-weight: 500;
}

.work-dialog-body dl {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.35rem 0.75rem;
  margin: 0 0 1rem;
  font-size: var(--text-sm);
}

.work-dialog-body dt {
  color: var(--muted);
}

.work-dialog-body dd {
  margin: 0;
}

.work-visit {
  display: inline-block;
  margin-top: 0.35rem;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) {
  .work-dialog[open] {
    animation: work-in 0.18s ease;
  }
}

@keyframes work-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.flip-card,
.flip,
.flip-card .card {
  height: 100%;
}

.flip-card {
  perspective: 1280px;
}

.flip {
  transform-style: preserve-3d;
}

.flip-card .card {
  min-height: 10.5rem;
  text-decoration: none;
  color: inherit;
}

.flip-card .card:hover {
  text-decoration: none;
  color: inherit;
}

.card.is-linked {
  padding: 0;
  overflow: visible;
  isolation: auto;
  background: transparent;
  border-color: transparent;
  perspective: 1280px;
  transform-style: preserve-3d;
  transition: none;
}

.flip-card .card.is-linked {
  perspective: none;
}

.card.is-linked:hover,
.card.is-linked:focus-within,
.card.is-linked.is-flipped {
  transform: none;
  box-shadow: none;
  border-color: transparent;
}

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

a.card.is-linked:hover,
a.card.is-linked:focus-visible {
  color: inherit;
  text-decoration: none;
  outline-color: var(--accent);
}

.card:has(> .card-hit) .card-face {
  pointer-events: none;
}

.card-inner {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.74s var(--ease-out);
  min-height: inherit;
  flex: 1;
}

.card.is-linked.is-flipped .card-inner,
.flip-card.is-flipped .card-inner,
.card.is-linked:focus-within .card-inner {
  transform: rotateY(180deg);
}

@media (hover: hover) and (pointer: fine) {
  .card.is-linked:hover .card-inner,
  .flip-card:hover .card-inner {
    transform: rotateY(180deg);
  }
}

.card-face {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-height: 100%;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.card.is-linked .card-face {
  padding: 1.2rem 1.25rem 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--surface-raised) 0%, var(--surface) 78%);
}

.card.is-linked:hover .card-face,
.card.is-linked:focus-within .card-face,
.card.is-linked.is-flipped .card-face,
.flip-card:hover .card-face,
.flip-card.is-flipped .card-face {
  border-color: color-mix(in oklab, var(--accent) 28%, var(--hairline));
}

.card-face-front {
  transform: rotateY(0deg) translateZ(1px);
}

.card-face-back {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg) translateZ(1px);
  justify-content: center;
}

.card.is-linked .card-face-back {
  align-items: center;
  text-align: center;
  background: linear-gradient(165deg, var(--surface) 0%, color-mix(in oklab, var(--bg) 42%, var(--surface)) 100%);
}

.card-back-kicker {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.card-back-title {
  margin: 0 0 0.7rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--hairline);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: 0.01em;
  color: var(--text);
}

.card-back-hint {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--muted) 82%, transparent);
}

.card-name {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-lg);
  font-weight: 600;
}

.card-domain {
  margin-top: auto;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.approach-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: approach;
  display: grid;
  gap: 0;
  max-width: 40rem;
  border-top: 1px solid var(--hairline);
}

.approach-list li {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 0 1.25rem;
  align-items: start;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--hairline);
}

.approach-list li::before {
  counter-increment: approach;
  content: counter(approach, decimal-leading-zero);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: color-mix(in oklab, var(--muted) 70%, transparent);
  padding-top: 0.12rem;
}

.approach-term {
  margin: 0 0 0.2rem;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text);
}

.approach-note {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.studio-foot {
  padding-top: 1.5rem;
  padding-bottom: calc(2rem + var(--safe-bottom));
}

.studio-foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm) var(--space-md);
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
}

.studio-foot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.studio-foot-nav a {
  color: color-mix(in oklab, var(--muted) 88%, transparent);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}

.studio-foot-nav a:hover {
  color: var(--muted);
  text-decoration: none;
}

.studio-foot-copy {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--muted) 72%, transparent);
}

.studio-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 40rem;
  border-top: 1px solid var(--hairline);
}

.studio-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--hairline);
}

.principles {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  max-width: 52rem;
}

.principles .approach-note + .approach-term {
  margin-top: 1.15rem;
}

.studio-article {
  max-width: 40rem;
  margin: 0 auto;
}

.studio-article .prose,
.prose.studio-article {
  max-width: 40rem;
}

.prose .kicker {
  margin-bottom: var(--space-md);
  letter-spacing: 0.14em;
}

.studio-article.has-drop-cap > p:first-of-type::first-letter {
  float: left;
  margin: 0.05em 0.14em 0 0;
  font-family: var(--font-sans);
  font-size: 3.25em;
  font-weight: 500;
  line-height: 0.82;
  color: var(--text);
}

.auth-card {
  max-width: 22rem;
  margin: 0 auto;
  padding: 2rem 1.65rem 1.85rem;
  background: linear-gradient(168deg, var(--surface-raised) 0%, var(--surface) 78%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  gap: var(--space-md);
}

.auth-card .field label {
  letter-spacing: 0.14em;
  color: color-mix(in oklab, var(--muted) 92%, transparent);
}

.auth-card input {
  background: color-mix(in oklab, var(--bg) 92%, var(--surface));
  border-color: var(--hairline);
  transition: border-color 0.35s var(--ease-out);
}

.auth-card input:focus-visible {
  border-color: color-mix(in oklab, var(--accent) 45%, var(--border));
  box-shadow: none;
}

.auth-card .btn-primary {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-sm);
  letter-spacing: 0.08em;
}

html.is-landing .landing {
  display: block;
  min-height: 100vh;
  min-height: 100dvh;
}

html.is-landing .landing-page {
  position: relative;
  z-index: 1;
  justify-self: stretch;
  width: 100%;
}

html.is-landing .hero {
  min-height: calc(100vh - 3.25rem);
  min-height: calc(100dvh - 3.25rem);
  max-width: 32rem;
  margin: 0 auto;
  display: grid;
  place-items: center;
  content-visibility: visible;
  scroll-margin-top: 4.25rem;
}

html.is-landing .hero + .studio-band {
  content-visibility: visible;
}

html.is-landing .studio-band {
  scroll-margin-top: 4.25rem;
  content-visibility: visible;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  border-top: 1px solid var(--hairline);
}

html.is-landing .studio-band:has(.work-grid) {
  contain: none;
  overflow: visible;
}

html.is-landing a.skip {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

html.is-landing a.skip:focus {
  top: 0.5rem;
  left: max(0.75rem, var(--safe-left));
  z-index: 6;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0.45rem 0.7rem;
  overflow: visible;
  clip: auto;
  clip-path: none;
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--hairline);
  transition: none;
  animation: none;
}

html.is-landing .theme-toggle {
  z-index: 4;
}

html.is-landing header.landing-bar {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 3.25rem;
  margin: 0;
  padding-top: 0;
  padding-bottom: 0;
  padding-left: max(1.25rem, var(--safe-left));
  padding-right: calc(8.75rem + var(--safe-right));
  background: var(--bg);
  border-bottom: 1px solid var(--hairline);
}

html.is-landing .landing-brand {
  color: var(--text);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-decoration: none;
}

html.is-landing .landing-brand:hover {
  color: var(--text);
  text-decoration: none;
}

html.is-landing .landing-menu {
  padding: 0.35rem 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

html.is-landing nav.landing-nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 0 auto;
}

html.is-landing nav.landing-nav a {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}

html.is-landing nav.landing-nav a:hover {
  color: var(--text);
  background: transparent;
  border-color: transparent;
  text-decoration: none;
}

html.is-landing nav.landing-nav a[aria-current="true"] {
  color: var(--text);
  border-bottom: 1px solid var(--text);
}

html.is-landing .landing-write {
  color: var(--text);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
}

html.is-landing .landing-write:hover {
  color: var(--text);
  border-bottom-color: var(--text);
  text-decoration: none;
}

html.is-landing .hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin: 0.85rem 0 0;
}

html.is-landing .hero-actions a {
  color: var(--muted);
  font-size: var(--text-sm);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
}

html.is-landing .hero-actions a:hover {
  color: var(--text);
  text-decoration: none;
}

html.is-landing .site-index {
  list-style: none;
  max-width: 40rem;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
}

html.is-landing .site-index a {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.35rem 1.25rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--hairline);
  color: inherit;
  text-decoration: none;
}

html.is-landing .site-index a:hover {
  text-decoration: none;
}

html.is-landing .site-index-name {
  color: var(--text);
  font-weight: 500;
}

html.is-landing .site-index a:hover .site-index-name {
  color: var(--text);
}

html.is-landing .site-index-note {
  color: var(--muted);
  font-size: var(--text-sm);
}

html.is-landing .site-index a:hover .site-index-note {
  color: color-mix(in oklab, var(--muted) 62%, var(--text));
}

html.is-landing .card-kicker {
  margin: 0;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

html.is-landing .faq-list {
  display: grid;
  gap: 0;
  max-width: 40rem;
  border-top: 1px solid var(--hairline);
}

html.is-landing .faq-item {
  padding: 0.15rem 0;
  border-bottom: 1px solid var(--hairline);
}

html.is-landing .faq-item summary {
  position: relative;
  display: block;
  padding: 0.9rem 1.5rem 0.9rem 0;
  list-style: none;
  color: var(--text);
  font-weight: 500;
  cursor: pointer;
}

html.is-landing .faq-item summary::-webkit-details-marker {
  display: none;
}

html.is-landing .faq-item summary::marker {
  content: "";
}

html.is-landing .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0.9rem;
  color: var(--muted);
  font-weight: 400;
}

html.is-landing details[open].faq-item summary::after {
  content: "–";
}

html.is-landing .faq-item summary:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

html.is-landing .faq-item p {
  max-width: 36rem;
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

html.is-landing .faq-item p a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
}

html.is-landing .faq-item p a:hover {
  color: var(--text);
  text-decoration: none;
}

html.is-landing .studio-foot-grid {
  display: grid;
  gap: 1.75rem 2rem;
  padding-top: 0.25rem;
}

html.is-landing .studio-foot-inner.studio-foot-grid {
  display: grid;
}

html.is-landing .studio-foot-brand p:not(.kicker) {
  max-width: 16rem;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

html.is-landing .studio-foot-col p {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

html.is-landing .studio-foot-col ul {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

html.is-landing .studio-foot-col a {
  color: var(--text);
  font-size: var(--text-sm);
  text-decoration: none;
}

html.is-landing .studio-foot-col a:hover {
  text-decoration: underline;
}

html.is-landing .studio-foot-copy {
  grid-column: 1 / -1;
  margin-top: 0.35rem;
}

html.is-landing .landing-menu:focus-visible,
html.is-landing .landing-brand:focus-visible,
html.is-landing nav.landing-nav a:focus-visible,
html.is-landing .landing-write:focus-visible,
html.is-landing .site-index a:focus-visible,
html.is-landing .hero-actions a:focus-visible,
html.is-landing .studio-foot-col a:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

@media (max-width: 759px) {
  html.is-landing nav.landing-nav {
    display: none;
  }

  html.is-landing header.landing-bar.is-open nav.landing-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin: 0;
    padding: 0.35rem 1.25rem 0.75rem;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
  }

  html.is-landing header.landing-bar.is-open nav.landing-nav a {
    padding: 0.7rem 0;
  }

  html.is-landing .landing-write {
    margin-left: auto;
  }
}

@media (min-width: 760px) {
  html.is-landing .landing-menu {
    display: none;
  }

  html.is-landing .landing-write {
    margin-left: 0.75rem;
  }

  html.is-landing .studio-foot-grid {
    grid-template-columns: 1.4fr repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .flip,
  .card-inner,
  .card.is-linked .card-inner,
  .card.is-linked.is-flipped .card-inner,
  .flip-card.is-flipped .card-inner,
  .card.is-linked:hover .card-inner,
  .card.is-linked:focus-within .card-inner,
  .flip-card:hover .card-inner {
    transform: none;
    transition: none;
  }

  .card.is-linked:hover .card-face,
  .card.is-linked:focus-within .card-face,
  .card.is-linked.is-flipped .card-face {
    border-color: color-mix(in oklab, var(--accent) 32%, var(--border));
  }

  html.is-landing header.landing-bar .landing-nav,
  html.is-landing header.landing-bar.is-open .landing-nav {
    transform: none;
    transition: none;
  }
}