/* Case study surfaces — inherits tokens from home-b.css */

.cs-page {
  overflow-x: clip;
}

.cs-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wz-muted);
}

.cs-crumb a {
  color: var(--wz-accent-ink);
  text-decoration: none;
}

.cs-crumb a:hover {
  color: var(--wz-ink);
}

.cs-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wz-muted);
}

.cs-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--wz-accent-ink);
}

.cs-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: end;
  padding: 48px var(--wz-content-pad) 72px;
  border-bottom: 1px solid color-mix(in srgb, var(--wz-ink) 10%, transparent);
}

.cs-hero-copy {
  max-width: 34rem;
  padding-bottom: 12px;
}

.cs-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 9vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.92;
  color: var(--wz-ink);
}

.cs-lede {
  margin: 0 0 28px;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.55;
  color: var(--wz-muted);
  max-width: 38ch;
}

.cs-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cs-hero-media {
  margin: 0;
  position: relative;
  border-radius: 8px 0 0 8px;
  overflow: hidden;
  background: var(--wz-tone-gazawood);
  box-shadow: 0 18px 48px rgba(20, 24, 20, 0.12);
  width: calc(100% + var(--wz-content-pad));
  justify-self: end;
}

.cs-hero-viewport {
  display: block;
  aspect-ratio: 16 / 11;
  overflow: hidden;
}

.cs-hero-viewport img {
  display: block;
  width: 100%;
  height: auto;
  transform: translate3d(0, 0, 0);
  transition: transform 4.5s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

@media (hover: hover) and (pointer: fine) {
  .cs-hero-media:hover .cs-hero-viewport img {
    transform: translate3d(0, var(--wz-pan-end, -42%), 0);
  }
}

.cs-hero-cap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wz-muted-dark-6);
  background: color-mix(in srgb, var(--wz-tone-gazawood) 92%, #fff);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.cs-section {
  padding: clamp(64px, 10vw, 112px) var(--wz-content-pad);
}

.cs-section + .cs-section {
  border-top: 1px solid color-mix(in srgb, var(--wz-ink) 10%, transparent);
}

.cs-section-inner {
  max-width: 72rem;
}

.cs-section h2 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.98;
  color: var(--wz-ink);
  max-width: 16ch;
}

.cs-section-lede {
  margin: 0 0 40px;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--wz-muted);
  max-width: 52ch;
}

.cs-section-lede--solo {
  margin-bottom: 0;
  max-width: 58ch;
}

.cs-prose {
  display: grid;
  gap: 16px;
  max-width: 58ch;
  margin-bottom: 40px;
}

.cs-prose p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--wz-muted);
}

.cs-prose a {
  color: var(--wz-accent-ink);
  font-weight: 600;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.cs-constraints {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  border-top: 1px solid color-mix(in srgb, var(--wz-ink) 10%, transparent);
  padding-top: 32px;
}

.cs-constraints li {
  display: grid;
  gap: 8px;
}

.cs-constraints strong {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wz-accent-ink);
}

.cs-constraints span {
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--wz-muted);
}

.cs-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: color-mix(in srgb, var(--wz-ink) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--wz-ink) 12%, transparent);
  margin-bottom: 48px;
}

.cs-stack-node {
  margin: 0;
  padding: 28px 24px;
  background: var(--wz-bg);
}

.cs-stack-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wz-accent-ink);
}

.cs-stack-node h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--wz-ink);
}

.cs-stack-node p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--wz-muted);
  max-width: 36ch;
}

.cs-proof {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--wz-tone-gazawood);
  box-shadow: 0 16px 40px rgba(20, 24, 20, 0.1);
}

.cs-proof img {
  display: block;
  width: 100%;
  height: auto;
}

.cs-proof figcaption {
  margin: 0;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wz-muted-dark-6);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.cs-surfaces {
  margin-top: 8px;
}

.cs-surface-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--wz-ink) 12%, transparent);
}

.cs-surface-tab {
  appearance: none;
  margin: 0 0 -1px;
  padding: 12px 16px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--wz-muted);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.cs-surface-tab:hover {
  color: var(--wz-ink);
}

.cs-surface-tab.is-active {
  color: var(--wz-ink);
  border-bottom-color: var(--wz-accent);
}

.cs-surface-tab:focus-visible {
  outline: 2px solid var(--wz-accent);
  outline-offset: 2px;
}

.cs-surface-panel[hidden] {
  display: none;
}

.cs-board {
  border: 1px solid color-mix(in srgb, var(--wz-ink) 12%, transparent);
  border-radius: 8px;
  background: var(--wz-soft);
  overflow: hidden;
}

.cs-board-head {
  padding: 28px 28px 20px;
  border-bottom: 1px solid color-mix(in srgb, var(--wz-ink) 10%, transparent);
  background: var(--wz-bg);
}

.cs-board-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wz-accent-ink);
}

.cs-board-head h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--wz-ink);
}

.cs-board-head p:last-child {
  margin: 0;
  max-width: 54ch;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--wz-muted);
}

.cs-board-grid {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cs-board-grid li {
  display: grid;
  gap: 6px;
  padding: 18px 28px;
  border-top: 1px solid color-mix(in srgb, var(--wz-ink) 8%, transparent);
}

.cs-board-grid li:nth-child(-n + 2) {
  border-top: 0;
}

.cs-board-grid strong,
.cs-board-cols strong {
  font-size: 0.98rem;
  font-weight: 650;
  color: var(--wz-ink);
}

.cs-board-grid span,
.cs-board-cols span {
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--wz-muted);
}

.cs-board-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.cs-board-cols section {
  padding: 22px 24px 28px;
  border-left: 1px solid color-mix(in srgb, var(--wz-ink) 10%, transparent);
}

.cs-board-cols section:first-child {
  border-left: 0;
}

.cs-board-col-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wz-accent-ink);
}

.cs-board-cols ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.cs-board-cols li {
  display: grid;
  gap: 4px;
}

.cs-board-note {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--wz-muted);
}

.cs-decision-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 40px;
}

.cs-decision h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--wz-ink);
}

.cs-decision p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--wz-muted);
  max-width: 42ch;
}

.cs-decision code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--wz-ink);
}

.cs-ship-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 32px;
}

.cs-ship-grid li {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid color-mix(in srgb, var(--wz-ink) 12%, transparent);
}

.cs-ship-grid strong {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--wz-ink);
}

.cs-ship-grid span {
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--wz-muted);
}

.cs-voice {
  background: var(--wz-dark);
  color: var(--wz-on-dark);
  border-top: none !important;
}

.cs-voice-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
  gap: 48px;
  align-items: end;
}

.cs-quote {
  margin: 0;
}

.cs-quote p {
  margin: 8px 0 20px;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--wz-on-dark);
  max-width: 18ch;
}

.cs-quote mark {
  background: transparent;
  color: var(--wz-accent);
  font-style: italic;
}

.cs-quote footer {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wz-muted-dark-5);
}

.cs-voice-aside {
  display: grid;
  gap: 20px;
  padding-bottom: 8px;
}

.cs-voice-aside p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--wz-muted-dark-2);
  max-width: 32ch;
}

.cs-voice .wz-btn-ghost {
  color: var(--wz-on-dark);
  border-color: color-mix(in srgb, var(--wz-on-dark) 28%, transparent);
  justify-self: start;
}

.cs-voice .wz-btn-ghost:hover {
  border-color: var(--wz-accent);
  color: var(--wz-accent);
}

.cs-close-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.75fr);
  gap: 48px;
  align-items: start;
}

.cs-close-copy {
  max-width: 36rem;
}

.cs-close-copy h2 {
  max-width: 14ch;
}

.cs-close-copy > p {
  margin: 0 0 28px;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--wz-muted);
  max-width: 42ch;
}

.cs-close-rail {
  padding: 24px;
  background: var(--wz-soft);
  border-radius: 8px;
}

.cs-close-rail-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--wz-muted);
}

.cs-next {
  display: grid;
  gap: 6px;
  text-decoration: none;
  color: inherit;
}

.cs-next span {
  font-size: 0.95rem;
  color: var(--wz-muted);
}

.cs-next strong {
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--wz-ink);
}

.cs-next:hover strong {
  color: var(--wz-accent-ink);
}

@media (max-width: 960px) {
  .cs-hero {
    grid-template-columns: 1fr;
    padding-top: 32px;
    padding-bottom: 48px;
  }

  .cs-hero-media {
    width: 100%;
    border-radius: 8px;
    justify-self: stretch;
  }

  .cs-constraints,
  .cs-ship-grid {
    grid-template-columns: 1fr;
  }

  .cs-stack,
  .cs-decision-list,
  .cs-voice-inner,
  .cs-close-inner,
  .cs-board-grid,
  .cs-board-cols {
    grid-template-columns: 1fr;
  }

  .cs-board-grid li:nth-child(-n + 2) {
    border-top: 1px solid color-mix(in srgb, var(--wz-ink) 8%, transparent);
  }

  .cs-board-grid li:first-child {
    border-top: 0;
  }

  .cs-board-cols section {
    border-left: 0;
    border-top: 1px solid color-mix(in srgb, var(--wz-ink) 10%, transparent);
  }

  .cs-board-cols section:first-child {
    border-top: 0;
  }
}

@media (max-width: 640px) {
  .cs-hero h1 {
    font-size: clamp(2.8rem, 14vw, 3.6rem);
  }

  .cs-hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .cs-hero-ctas .wz-btn {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cs-hero-viewport img {
    transition: none;
  }

  .cs-hero-media:hover .cs-hero-viewport img {
    transform: none;
  }
}