/* =====================================================
 * DecryptCode — Case Studies Index
 * Modern · Mosaic · Filterable catalog
 * ===================================================== */

.page-cases {
  --cases-accent: #b85a14;
  --cases-accent-deep: #9a4a10;
  --cases-glow: rgba(184, 90, 20, 0.14);
}

.page-cases .sv-hero__dot {
  background: var(--cases-accent);
  box-shadow: 0 0 0 3px rgba(184, 90, 20, 0.28);
}

.page-cases .sv-hero__title em {
  color: var(--cases-accent-deep);
}

.page-cases .sv-crumb__current,
.page-cases .sv-crumb__list a:hover {
  color: var(--cases-accent-deep);
}

/* ── Hero deck ── */
.cases-hero__deck {
  display: grid;
  gap: 0.55rem;
  padding: 1.15rem;
  border-radius: 24px;
  background: linear-gradient(145deg, #0e1a28, #07101a);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 70px rgba(7, 16, 26, 0.22);
  color: #f1f5f9;
}

.cases-hero__deck-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.cases-hero__deck-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #94a3b8;
}

.cases-hero__deck-live {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #cbd5e1;
}

.cases-hero__deck-live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 2px rgba(52, 211, 153, 0.25);
  animation: sv-pulse 2s ease-in-out infinite;
}

.cases-hero__deck-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.45rem;
}

.cases-hero__deck-tile {
  padding: 0.75rem 0.65rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.cases-hero__deck-tile strong {
  display: block;
  font-size: clamp(1.1rem, 0.9rem + 0.6vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.1;
}

.cases-hero__deck-tile span {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #94a3b8;
}

.cases-hero__deck-tile--accent {
  border-color: rgba(251, 191, 36, 0.35);
  background: rgba(184, 90, 20, 0.2);
}

.cases-hero__deck-tile--accent strong {
  color: #fcd34d;
}

.cases-hero__deck-tile--accent span {
  color: #fde68a;
}

.cases-hero__deck-note {
  margin: 0.15rem 0 0;
  font-size: 0.72rem;
  line-height: 1.5;
  color: #cbd5e1;
}

/* ── Marquee ── */
.cases-marquee {
  border-block: 1px solid rgba(7, 16, 26, 0.07);
  background: rgba(255, 255, 255, 0.55);
  overflow: hidden;
}

.cases-marquee__track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  padding: 0.85rem 0;
  animation: cases-marquee 38s linear infinite;
}

.cases-marquee__item {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(7, 16, 26, 0.38);
  white-space: nowrap;
}

.cases-marquee__item::before {
  content: "◆";
  margin-right: 0.65rem;
  color: var(--cases-accent);
  font-size: 0.45rem;
}

@keyframes cases-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── Filter bar ── */
.cases-toolbar {
  position: sticky;
  top: 72px;
  z-index: 40;
  padding: 0.85rem 0;
  background: rgba(246, 244, 241, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(7, 16, 26, 0.06);
}

.cases-toolbar__wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.75rem);
}

.cases-filter {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.28rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(7, 16, 26, 0.08);
  box-shadow: 0 4px 16px rgba(7, 16, 26, 0.04);
}

.cases-filter__btn {
  padding: 0.5rem 0.95rem;
  border: none;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(7, 16, 26, 0.48);
  background: transparent;
  cursor: pointer;
  transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.cases-filter__btn:hover {
  color: var(--c-ink);
}

.cases-filter__btn.is-active {
  color: #fff;
  background: var(--c-ink-2);
  box-shadow: 0 4px 14px rgba(7, 16, 26, 0.18);
}

.cases-toolbar__count {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(7, 16, 26, 0.42);
}

/* ── Catalog sections ── */
.cases-catalog {
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.cases-section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.cases-section__wrap {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.75rem);
}

.cases-section__head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  max-width: 640px;
}

.cases-kicker {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cases-accent-deep);
}

.cases-heading {
  margin: 0 0 0.65rem;
  font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--c-ink-2);
}

.cases-heading em {
  font-style: normal;
  color: var(--cases-accent-deep);
}

.cases-lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(7, 16, 26, 0.58);
}

.cases-catalog[data-filter="ai"] .cases-section--mobile,
.cases-catalog[data-filter="mobile"] .cases-section--ai {
  display: none;
}

/* ── Mosaic (from homepage, scoped) ── */
.page-cases .cs-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
}

.page-cases .cs-stage__ambient {
  position: absolute;
  inset: -10% -8% auto;
  height: 50%;
  pointer-events: none;
  background:
    radial-gradient(ellipse 50% 80% at 88% 20%, rgba(184, 90, 20, 0.08), transparent 58%),
    radial-gradient(ellipse 45% 70% at 8% 40%, rgba(13, 107, 96, 0.1), transparent 55%);
  z-index: 0;
}

.page-cases .cs-panel {
  position: relative;
  z-index: 1;
  border-radius: 26px;
  overflow: hidden;
}

.page-cases .cs-panel--outcomes {
  padding: clamp(1.15rem, 2vw, 1.5rem);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.78)),
    #fff;
  border: 1px solid rgba(7, 16, 26, 0.08);
  box-shadow: 0 18px 48px rgba(7, 16, 26, 0.06);
}

.page-cases .cs-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.page-cases .cs-panel__badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-teal-deep);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(26, 168, 150, 0.1);
  border: 1px solid rgba(26, 168, 150, 0.18);
}

.page-cases .cs-panel__count {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(7, 16, 26, 0.4);
}

.page-cases .cs-mosaic {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .page-cases .cs-mosaic {
    gap: 0.85rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-cases .cs-card--spotlight {
    grid-column: span 2;
  }
}

@media (min-width: 960px) {
  .page-cases .cs-mosaic {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-cases .cs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border-radius: 20px;
  text-decoration: none;
  color: var(--c-ink);
  background: #fff;
  border: 1px solid rgba(7, 16, 26, 0.07);
  box-shadow: 0 2px 12px rgba(7, 16, 26, 0.035);
  overflow: hidden;
  transition:
    transform 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.page-cases .cs-card--teal { --cs-accent: var(--c-teal-deep); --cs-wash: rgba(13, 107, 96, 0.1); }
.page-cases .cs-card--blue { --cs-accent: #2563eb; --cs-wash: rgba(37, 99, 235, 0.09); }
.page-cases .cs-card--violet { --cs-accent: #5b4bb4; --cs-wash: rgba(91, 75, 180, 0.1); }
.page-cases .cs-card--cyan { --cs-accent: #0e7490; --cs-wash: rgba(14, 116, 144, 0.1); }
.page-cases .cs-card--copper { --cs-accent: #b85a14; --cs-wash: rgba(184, 90, 20, 0.1); }
.page-cases .cs-card--ink { --cs-accent: var(--c-ink); --cs-wash: rgba(7, 16, 26, 0.07); }
.page-cases .cs-card--emerald { --cs-accent: #059669; --cs-wash: rgba(5, 150, 105, 0.1); }
.page-cases .cs-card--amber { --cs-accent: #d97706; --cs-wash: rgba(217, 119, 6, 0.1); }
.page-cases .cs-card--indigo { --cs-accent: #4f46e5; --cs-wash: rgba(79, 70, 229, 0.1); }
.page-cases .cs-card--green { --cs-accent: #16a34a; --cs-wash: rgba(22, 163, 74, 0.1); }
.page-cases .cs-card--rose { --cs-accent: #e11d48; --cs-wash: rgba(225, 29, 72, 0.09); }

.page-cases .cs-card__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  background: var(--cs-wash, rgba(13, 107, 96, 0.08));
  border-bottom: 1px solid rgba(7, 16, 26, 0.06);
}

.page-cases .cs-card__metric {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-cases .cs-card__metric-val {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1rem + 0.8vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--cs-accent, var(--c-teal-deep));
}

.page-cases .cs-card__metric-lbl {
  font-family: var(--font-mono);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(7, 16, 26, 0.48);
}

.page-cases .cs-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1rem 1rem 1.1rem;
  padding-right: 2.5rem;
}

.page-cases .cs-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.55rem;
}

.page-cases .cs-card__tags span {
  font-family: var(--font-mono);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28rem 0.52rem;
  border-radius: 6px;
  color: rgba(7, 16, 26, 0.52);
  background: rgba(7, 16, 26, 0.04);
  border: 1px solid rgba(7, 16, 26, 0.06);
}

.page-cases .cs-card__title {
  margin: 0 0 0.4rem;
  font-size: clamp(1rem, 0.92rem + 0.3vw, 1.1rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.page-cases .cs-card__desc {
  margin: 0;
  flex: 1;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: rgba(7, 16, 26, 0.62);
}

.page-cases .cs-card__go {
  position: absolute;
  top: calc(0.85rem + 2.1rem);
  right: 0.85rem;
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  font-size: 0.95rem;
  line-height: 1;
  color: rgba(7, 16, 26, 0.28);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(7, 16, 26, 0.08);
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.3s ease,
    background 0.3s ease,
    border-color 0.3s ease;
}

.page-cases .cs-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--cs-accent, var(--c-teal-deep)) 24%, transparent);
  box-shadow: 0 20px 44px rgba(7, 16, 26, 0.09);
  color: var(--c-ink);
}

.page-cases .cs-card:hover .cs-card__go {
  transform: translateX(2px);
  color: #fff;
  background: var(--cs-accent, var(--c-teal-deep));
  border-color: var(--cs-accent, var(--c-teal-deep));
}

.page-cases .cs-card:hover .cs-card__tags span {
  color: var(--cs-accent, var(--c-teal-deep));
  background: var(--cs-wash, rgba(13, 107, 96, 0.08));
  border-color: color-mix(in srgb, var(--cs-accent, var(--c-teal-deep)) 16%, transparent);
}

/* ── Mobile dark stage ── */
.cases-mobile-stage {
  position: relative;
  padding: clamp(1.15rem, 2vw, 1.55rem);
  border-radius: 26px;
  overflow: hidden;
  color: #f1f5f9;
  background:
    radial-gradient(ellipse 70% 80% at 100% 0%, rgba(37, 99, 235, 0.16), transparent 55%),
    radial-gradient(ellipse 55% 65% at 0% 100%, rgba(22, 163, 74, 0.1), transparent 52%),
    linear-gradient(160deg, #0e1a28 0%, #07101a 100%);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 28px 64px rgba(7, 16, 26, 0.22);
}

.cases-mobile-stage__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 92%);
}

.cases-mobile-stack {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.cases-mobile-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 0.85rem 1rem;
  align-items: center;
  padding: 1rem 1rem 1rem 0.85rem;
  border-radius: 20px;
  text-decoration: none;
  color: #f2f4f8;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition:
    transform 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.35s ease,
    background 0.35s ease,
    box-shadow 0.35s ease;
}

.cases-mobile-item--green { --mob-accent: #34d399; --mob-wash: rgba(52, 211, 153, 0.12); --mob-glow: rgba(52, 211, 153, 0.16); }
.cases-mobile-item--indigo { --mob-accent: #818cf8; --mob-wash: rgba(129, 140, 248, 0.12); --mob-glow: rgba(129, 140, 248, 0.16); }
.cases-mobile-item--rose { --mob-accent: #fb7185; --mob-wash: rgba(251, 113, 133, 0.12); --mob-glow: rgba(251, 113, 133, 0.16); }
.cases-mobile-item--amber { --mob-accent: #fbbf24; --mob-wash: rgba(251, 191, 36, 0.12); --mob-glow: rgba(251, 191, 36, 0.16); }

.cases-mobile-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, var(--mob-wash), transparent 58%),
    radial-gradient(circle at 100% 0%, var(--mob-glow), transparent 42%);
  opacity: 0.85;
  z-index: -1;
}

.cases-mobile-item__rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding-top: 0.15rem;
}

.cases-mobile-item__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mob-accent);
  box-shadow: 0 0 12px var(--mob-glow);
}

.cases-mobile-item__num {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  color: #94a3b8;
}

.cases-mobile-item__main {
  min-width: 0;
}

.cases-mobile-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.45rem;
}

.cases-mobile-item__tags span {
  font-family: var(--font-mono);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.48rem;
  border-radius: 6px;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.cases-mobile-item__title {
  margin: 0 0 0.35rem;
  font-size: clamp(1rem, 0.92rem + 0.3vw, 1.15rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.cases-mobile-item__desc {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: #cbd5e1;
}

.cases-mobile-item__stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 5.75rem;
  text-align: right;
}

.cases-mobile-item__stat strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--mob-accent);
  line-height: 1;
  text-shadow: 0 1px 12px var(--mob-glow);
}

.cases-mobile-item__stat span {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #94a3b8;
}

.cases-mobile-item__go {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 0.95rem;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  align-self: center;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.cases-mobile-item:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.cases-mobile-item:hover .cases-mobile-item__go {
  transform: translateX(2px);
  color: #fff;
  background: var(--mob-accent);
  border-color: var(--mob-accent);
}

@media (max-width: 767px) {
  .cases-mobile-item {
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto auto;
    align-items: start;
    padding-right: 3rem;
  }

  .cases-mobile-item__stats {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.65rem 1.25rem;
    text-align: left;
    padding-left: calc(0.85rem + 1.05rem);
  }

  .cases-mobile-item__go {
    position: absolute;
    top: 1rem;
    right: 1rem;
  }
}

/* ── CTA theme ── */
.page-cases .sv-cta__title span {
  color: var(--cases-accent);
}

.page-cases .ft-nav--co {
  --nav-accent: var(--cases-accent);
}

@media (prefers-reduced-motion: reduce) {
  .cases-marquee__track,
  .cases-hero__deck-live i {
    animation: none;
  }
}