/* Case studies overview — card grid + pagination */

.dd-cs-overview {
  background: #000;
  color: #fff;
}

.dd-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* —— Hero —— */
.dd-cso-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--dd-header-height) + 3rem) 0 clamp(2.5rem, 5vw, 3.5rem);
  overflow: hidden;
  background: #050505;
}

.dd-cso-hero__stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.dd-cso-hero__glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 70%;
  background:
    radial-gradient(ellipse 50% 45% at 20% 40%, rgba(24, 43, 155, 0.45), transparent 70%),
    radial-gradient(ellipse 45% 40% at 75% 25%, rgba(192, 38, 211, 0.28), transparent 68%),
    radial-gradient(ellipse 40% 35% at 90% 70%, rgba(255, 107, 33, 0.2), transparent 70%);
  filter: blur(6px);
}

.dd-cso-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 85%);
}

.dd-cso-hero__content {
  position: relative;
  z-index: 1;
  max-width: 40rem;
}

.dd-cso-hero__content .dd-h1 {
  margin: 0.35rem 0 0;
  max-width: 12ch;
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.dd-cso-hero__lede {
  margin: 1.25rem 0 0;
}

/* —— Filters —— */
.dd-cso-filters {
  position: sticky;
  top: var(--dd-header-height);
  z-index: 40;
  padding: 0.85rem 0;
  border-block: 1px solid var(--dd-border-dark);
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(12px);
}

.dd-cso-filters__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
}

.dd-cso-filters__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dd-cso-filters__meta {
  margin: 0;
  font-size: 0.8125rem;
}

.dd-cso-filter {
  margin: 0;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--dd-color-card-border);
  border-radius: 999px;
  background: transparent;
  color: var(--dd-color-muted);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    color var(--dd-duration-fast) var(--dd-ease-out),
    border-color var(--dd-duration-fast) var(--dd-ease-out),
    background var(--dd-duration-fast) var(--dd-ease-out);
}

.dd-cso-filter:hover,
.dd-cso-filter:focus-visible {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  outline: none;
}

.dd-cso-filter.is-active {
  color: #000;
  border-color: var(--dd-color-signal);
  background: var(--dd-color-signal);
}

/* —— Card grid —— */
.dd-cso-archive {
  padding-top: clamp(2rem, 4vw, 2.75rem);
}

.dd-cso-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.dd-cso-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--dd-color-card-border);
  border-radius: 6px;
  overflow: hidden;
  background: #121212;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--dd-duration) var(--dd-ease-out);
}

.dd-cso-card:hover,
.dd-cso-card:focus-visible {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  outline: none;
}

.dd-cso-card.is-page-hidden,
.dd-cso-card.is-filtered-out {
  display: none;
}

.dd-cso-card__media {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 9.5rem;
  padding: 1.15rem 1.25rem;
  background-color: #0c0c0c;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

/* Featured image via <img> for SEO / accessibility */
.dd-cso-card__media--has-thumb {
  padding: 0;
  min-height: 0;
  aspect-ratio: 4 / 3;
  background-image: none;
}

.dd-cso-card__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.dd-cso-card__media--has-thumb .dd-cso-card__signal {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.15rem;
  z-index: 1;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

.dd-cso-card__media--has-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.05), rgba(5, 5, 5, 0.55));
  pointer-events: none;
  z-index: 0;
}

.dd-cso-card__media--a {
  background:
    radial-gradient(ellipse 80% 70% at 20% 30%, rgba(24, 43, 155, 0.55), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(255, 107, 33, 0.25), transparent 55%),
    #0c0c0c;
}

.dd-cso-card__media--b {
  background:
    radial-gradient(ellipse 70% 60% at 80% 20%, rgba(109, 40, 217, 0.45), transparent 60%),
    radial-gradient(ellipse 50% 50% at 10% 90%, rgba(24, 43, 155, 0.35), transparent 55%),
    #0c0c0c;
}

.dd-cso-card__media--c {
  background:
    radial-gradient(ellipse 70% 60% at 30% 80%, rgba(192, 38, 211, 0.35), transparent 60%),
    radial-gradient(ellipse 55% 50% at 90% 20%, rgba(255, 177, 27, 0.22), transparent 55%),
    #0c0c0c;
}

.dd-cso-card__media--d {
  background:
    radial-gradient(ellipse 75% 65% at 15% 15%, rgba(255, 107, 33, 0.4), transparent 60%),
    radial-gradient(ellipse 50% 45% at 85% 70%, rgba(109, 40, 217, 0.3), transparent 55%),
    #0c0c0c;
}

.dd-cso-card__media--e {
  background:
    radial-gradient(ellipse 65% 55% at 70% 30%, rgba(24, 43, 155, 0.5), transparent 60%),
    radial-gradient(ellipse 50% 45% at 20% 85%, rgba(192, 38, 211, 0.28), transparent 55%),
    #0c0c0c;
}

.dd-cso-card__media--f {
  background:
    radial-gradient(ellipse 70% 60% at 40% 40%, rgba(109, 40, 217, 0.4), transparent 60%),
    radial-gradient(ellipse 55% 50% at 100% 100%, rgba(255, 177, 27, 0.2), transparent 55%),
    #0c0c0c;
}

.dd-cso-card__signal {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  background: var(--dd-brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dd-cso-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.55rem;
  padding: 1.25rem;
}

.dd-cso-card__tag {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dd-color-signal);
}

.dd-cso-card__client {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--dd-color-muted);
}

.dd-cso-card__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
}

.dd-cso-card__text {
  margin: 0;
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--dd-color-muted);
}

.dd-cso-card__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  width: 2.5rem;
  height: 2.5rem;
  margin-top: 0.75rem;
  margin-left: auto;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  transition:
    border-color var(--dd-duration) var(--dd-ease-out),
    background var(--dd-duration) var(--dd-ease-out),
    color var(--dd-duration) var(--dd-ease-out);
}

.dd-cso-card__arrow::before {
  content: "";
  display: block;
  width: 0.85rem;
  height: 0.7rem;
  background-color: currentColor;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='10' viewBox='0 0 12 10' fill='none'%3E%3Cpath d='M11.2842 3.93083L7.35333 0L6.76417 0.589166L10.6108 4.43667H0V5.27H10.6125L6.76417 9.1175L7.35333 9.70667L11.2842 5.77667C11.5308 5.53 11.6667 5.20167 11.6667 4.85333C11.6667 4.505 11.5308 4.17667 11.2842 3.93167V3.93083Z' fill='white'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='10' viewBox='0 0 12 10' fill='none'%3E%3Cpath d='M11.2842 3.93083L7.35333 0L6.76417 0.589166L10.6108 4.43667H0V5.27H10.6125L6.76417 9.1175L7.35333 9.70667L11.2842 5.77667C11.5308 5.53 11.6667 5.20167 11.6667 4.85333C11.6667 4.505 11.5308 4.17667 11.2842 3.93167V3.93083Z' fill='white'/%3E%3C/svg%3E");
  -webkit-mask-mode: luminance;
  mask-mode: luminance;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}

.dd-cso-card:hover .dd-cso-card__arrow,
.dd-cso-card:focus-visible .dd-cso-card__arrow {
  border-color: var(--dd-color-signal);
  background: rgba(255, 177, 27, 0.12);
  color: var(--dd-color-signal);
}

.dd-cso-empty {
  margin: 2rem 0 0;
  color: var(--dd-color-muted);
}

/* —— Pagination —— */
.dd-cso-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 1rem;
  margin-top: clamp(2rem, 4vw, 2.75rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--dd-border-dark);
}

.dd-cso-pagination[hidden] {
  display: none;
}

.dd-cso-page-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--dd-color-card-border);
  border-radius: 2px;
  background: transparent;
  color: #fff;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    border-color var(--dd-duration-fast) var(--dd-ease-out),
    background var(--dd-duration-fast) var(--dd-ease-out),
    opacity var(--dd-duration-fast) var(--dd-ease-out);
}

.dd-cso-page-btn:hover:not(:disabled),
.dd-cso-page-btn:focus-visible:not(:disabled) {
  border-color: rgba(255, 177, 27, 0.45);
  background: rgba(255, 177, 27, 0.08);
  outline: none;
}

.dd-cso-page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.dd-cso-page-nums {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.dd-cso-page-num {
  min-width: 2.25rem;
  height: 2.25rem;
  margin: 0;
  padding: 0 0.5rem;
  border: 1px solid var(--dd-color-card-border);
  border-radius: 2px;
  background: transparent;
  color: var(--dd-color-muted);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    color var(--dd-duration-fast) var(--dd-ease-out),
    border-color var(--dd-duration-fast) var(--dd-ease-out),
    background var(--dd-duration-fast) var(--dd-ease-out);
}

.dd-cso-page-num:hover,
.dd-cso-page-num:focus-visible {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  outline: none;
}

.dd-cso-page-num.is-active {
  color: #000;
  border-color: var(--dd-color-signal);
  background: var(--dd-color-signal);
}

@media (max-width: 999px) {
  .dd-cso-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 599px) {
  .dd-cso-grid {
    grid-template-columns: 1fr;
  }
}