/* =============================================
   10PEARLS · INTERNAL PRODUCTS — case styles
   ============================================= */

/* Shared case-study primitives — themed via global vars so it works in light/dark */
.cs-section {
  padding: 88px 0;
  border-top: 1px solid var(--border);
}
.cs-section--alt { background: var(--bg-alt); }

.cs-label {
  display: block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.cs-heading {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.1;
  margin-bottom: 18px;
}

.cs-body {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
}
.cs-body--wide { max-width: 820px; }

.cs-about-text {
  margin-bottom: 48px;
}
.cs-about-text .cs-body {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 24px;
  max-width: 760px;
}

.cs-role-callout {
  font-family: var(--font-head);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.5;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin-bottom: 28px;
  max-width: 780px;
}

.cs-cards-row {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.cs-problem-card {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.cs-problem-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--text-subtle);
}
.cs-problem-icon svg { width: 36px; height: 36px; }

.cs-card-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.cs-card-body {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
}
.cs-card-body strong { color: var(--text); font-weight: 600; }

.cs-meta-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.cs-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}
.cs-meta-key { color: var(--text-subtle); }
.cs-meta-val { color: var(--text); font-weight: 500; }

.cs-solution-card {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: linear-gradient(150deg, var(--accent-bg) 0%, transparent 70%), var(--surface);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-lg);
}

.cs-solution-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: var(--accent);
}
.cs-solution-icon svg { width: 36px; height: 36px; }

.cs-solution-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
}

.cs-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 32px;
}

.cs-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: border-color 0.25s, background 0.25s;
}
.cs-step:hover { border-color: var(--border-hover); }

.cs-step--active {
  background: var(--accent-bg);
  border-color: var(--accent-border);
}

.cs-step-num {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}

.cs-step-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.cs-step-body {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* HERO */
.project-hero--10p {
  border-bottom: 1px solid var(--border);
}

.project-hero--10p .project-hero-subtitle {
  color: var(--accent);
}

.tp-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}

/* Hero composite — clean editorial layout matching Propelus pattern */
.tp-hero-composite {
  position: relative;
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10;
  background: #0E0D0B;
  border: 1px solid var(--border);
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.tp-hero-composite::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 22% 25%, rgba(212,255,39,0.16), transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 80%, rgba(212,255,39,0.10), transparent 60%);
  z-index: 0;
}

.tp-hero-stack {
  position: relative;
  width: 100%;
  height: 78%;
}

.tp-card {
  position: absolute;
  border-radius: 14px;
  overflow: hidden;
  background: #1a1a18;
  box-shadow:
    0 24px 40px rgba(0, 0, 0, 0.50),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}
.tp-card img { width: 100%; display: block; }

.tp-card--kudos {
  width: 36%;
  top: 4%;
  left: 6%;
  transform: rotate(-2deg);
}

.tp-card--worldcup {
  width: 50%;
  top: 14%;
  right: 6%;
  transform: rotate(2deg);
}

/* Accent stat strip at the bottom */
.tp-hero-meta-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 14px 20px;
  margin-top: auto;
  background: linear-gradient(90deg, transparent, rgba(212, 255, 39, 0.14), transparent);
  border-top: 1px solid rgba(212, 255, 39, 0.30);
  border-bottom: 1px solid rgba(212, 255, 39, 0.16);
  position: relative;
  z-index: 3;
}
.tp-meta-stat {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.80);
  white-space: nowrap;
}
.tp-meta-stat strong {
  font-family: var(--font-head);
  color: var(--accent);
  font-weight: 400;
  margin-right: 4px;
}
.tp-meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

@media (max-width: 700px) {
  .tp-hero-meta-strip { gap: 10px; padding: 10px 14px; }
  .tp-meta-stat       { font-size: 10px; }
}

/* COMPANY STATS */
.tp-company-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  margin-top: 32px;
  align-items: start;
}

.tp-company-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.tp-stat-card {
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.tp-stat-num {
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.tp-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* PRODUCT BLOCKS */
.tp-product-header { margin-bottom: 40px; max-width: 820px; }

.tp-product-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
}
.tp-product-grid--reverse { grid-template-columns: 1fr 1.05fr; }
.tp-product-grid--reverse .tp-product-visual { order: 0; }
.tp-product-grid--reverse .tp-product-text   { order: 1; }

.tp-product-text { min-width: 0; }

.tp-product-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  position: sticky;
  top: 100px;
}
.tp-product-visual img {
  width: 100%; display: block;
}

.tp-callout {
  padding: 24px 26px;
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  margin-bottom: 32px;
}
.tp-callout-eyebrow {
  display: block;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.tp-callout-text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0 0 8px;
}
.tp-callout-source {
  font-size: 12px;
  color: var(--text-muted);
}

/* Feature rows */
.tp-feature {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}
.tp-feature:last-of-type { border-bottom: 1px solid var(--border); }

.tp-feature-num {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--accent);
  padding-top: 2px;
}

.tp-feature-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.tp-feature-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* Built-with stack */
.tp-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 24px;
}
.tp-stack-label {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: 6px;
}
.tp-stack-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

.tp-stack-chip--ai {
  background: var(--accent-bg);
  border-color: var(--accent-border);
  color: var(--accent);
}

/* WORLD CUP STACK */
.tp-wc-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
  border-radius: var(--radius);
}

.tp-wc-stack-img {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #0d0d0c;
}

/* TAKEAWAYS */
.tp-takeaways {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.tp-takeaway {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s, background 0.25s;
}
.tp-takeaway:hover {
  border-color: var(--accent-border);
  background: var(--accent-bg);
}

.tp-takeaway-num {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}
.tp-takeaway-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  line-height: 1.2;
}
.tp-takeaway-body {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 960px) {
  .cs-section { padding: 64px 0; }
  .cs-steps { grid-template-columns: 1fr 1fr; }
  .cs-cards-row { grid-template-columns: 1fr; }

  .tp-hero-grid,
  .tp-company-grid,
  .tp-product-grid,
  .tp-product-grid--reverse {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .tp-product-grid--reverse .tp-product-visual { order: 1; }
  .tp-product-grid--reverse .tp-product-text   { order: 0; }
  .tp-product-visual { position: static; }
  .tp-takeaways { grid-template-columns: 1fr; gap: 14px; }
}

@media (max-width: 600px) {
  .cs-about-text { grid-template-columns: 1fr; }
  .cs-about-text .cs-heading, .cs-about-text .cs-role-callout, .cs-about-text .cs-body { grid-column: 1; grid-row: auto; }
  .cs-about-text .cs-body { max-width: 100%; }

  .cs-section { padding: 56px 0; }
  .cs-problem-card { padding: 24px; }
  .cs-steps { grid-template-columns: 1fr; }

  .tp-company-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tp-stat-card { padding: 16px 14px; }
  .tp-stat-num { font-size: 26px; }
  .tp-callout-text { font-size: 18px; }
  .tp-feature { grid-template-columns: 1fr; gap: 6px; }
  .tp-feature-num { padding-top: 0; }
  .tp-takeaway { padding: 24px 20px; }
  .tp-takeaway-title { font-size: 18px; }
}