/* ========================================
   NEW SECTIONS CSS - Python & AI Services Page
   ======================================== */

/* --- CASE BLOCK STYLES --- */
.ds-case-block {
  background: var(--sys-surface);
  border: 1px solid var(--sys-border);
  border-radius: var(--r-lg);
  padding: var(--sp-4);
  transition: all 0.25s var(--ease);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.ds-case-block:hover {
  border-color: var(--sys-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.ds-case-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.ds-case-block__title {
  font-size: var(--sys-h3);
  font-weight: 600;
  color: var(--sys-text);
  margin: 0;
}

.ds-case-block__problem,
.ds-case-block__solution {
  font-size: var(--sys-body);
  color: var(--sys-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--sp-2);
}

.ds-case-block__problem strong,
.ds-case-block__solution strong {
  color: var(--sys-text);
  font-weight: 600;
}

.ds-case-block__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
  margin-top: auto;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--sys-border);
}

.ds-case-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.ds-case-metric__value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--sys-primary-light);
  line-height: 1.1;
}

.ds-case-metric__label {
  font-size: var(--sys-label);
  color: var(--sys-muted);
  margin-top: 4px;
}

/* --- CAPABILITY CARD STYLES --- */
.ds-capability-card {
  background: var(--sys-surface);
  border: 1px solid var(--sys-border);
  border-radius: var(--r-lg);
  padding: var(--sp-3);
  text-align: center;
  transition: all 0.25s var(--ease);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.ds-capability-card:hover {
  border-color: var(--sys-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.ds-capability-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--r-md);
  background: var(--sys-primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-2);
  color: var(--sys-primary-light);
  font-size: 1.5rem;
}

.ds-capability-card h3 {
  font-size: var(--sys-h3);
  font-weight: 600;
  margin-bottom: var(--sp-1);
  color: var(--sys-text);
}

.ds-capability-card p {
  font-size: 0.95rem;
  color: var(--sys-muted);
  line-height: 1.6;
}

/* --- TECH STACK GRID --- */
#tech-stack.ds-section {
  padding: 80px 0;
}

.ds-stack-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

.ds-stack-group {
  background: var(--sys-surface);
  border: 1px solid var(--sys-border);
  border-radius: var(--r-lg);
  padding: var(--sp-3);
  transition: all 0.25s var(--ease);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  cursor: default;
  min-height: 180px;
}

.ds-stack-group:hover {
  border-color: var(--sys-primary);
  background: var(--sys-surface-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.ds-stack-group h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--sys-text);
  margin: 0;
}

.ds-stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ds-stack-items span {
  padding: 8px 12px;
  border-radius: var(--r-sm);
  background: var(--sys-bg);
  border: 1px solid var(--sys-border);
  color: var(--sys-text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
}

/* --- ENGAGEMENT PIPELINE CUSTOMIZATIONS --- */
.ds-pipeline--engagement .ds-pipeline__step {
  background: var(--sys-surface);
  border: 1px solid var(--sys-border);
}

.ds-pipeline--engagement .ds-pipeline__step:hover {
  border-color: var(--sys-primary);
  background: var(--sys-surface-hover);
}

/* --- METRICS BANNER --- */
.ds-metrics-banner {
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.12),
    rgba(99, 102, 241, 0.08)
  ),
  var(--sys-bg);
  border-top: 1px solid var(--sys-border);
  border-bottom: 1px solid var(--sys-border);
  padding: var(--sp-8) 0;
  position: relative;
  overflow: hidden;
}

.ds-metrics-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 60V0h60' fill='none' stroke='%23ffffff' stroke-opacity='.02' stroke-width='.5'/%3E%3C/svg%3E");
  opacity: 0.5;
  pointer-events: none;
}

.ds-metrics-banner__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-4);
  position: relative;
  z-index: 1;
}

.ds-metrics-banner__item {
  text-align: center;
  padding: var(--sp-2) 0;
}

.ds-metrics-banner__value {
  display: block;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--sys-primary-light);
  line-height: 1.1;
  margin-bottom: var(--sp-1);
  letter-spacing: -0.02em;
}

.ds-metrics-banner__label {
  display: block;
  font-size: 1rem;
  color: var(--sys-text-secondary);
  line-height: 1.5;
  max-width: 180px;
  margin: 0 auto;
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 1024px) {
  .ds-pipeline--engagement {
    flex-direction: column;
    gap: var(--sp-2);
  }

  .ds-pipeline--engagement .ds-pipeline__arrow {
    width: auto;
    height: 32px;
    transform: rotate(90deg);
  }

  .ds-stack-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .ds-case-block__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .ds-case-block__metrics {
    grid-template-columns: 1fr;
  }

  .ds-stack-grid {
    grid-template-columns: 1fr;
  }

  .ds-metrics-banner {
    padding: var(--sp-6) 0;
  }

  .ds-metrics-banner__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-3);
  }

  .ds-metrics-banner__value {
    font-size: clamp(2rem, 4vw, 2.5rem);
  }

  .ds-metrics-banner__label {
    font-size: 0.9rem;
  }
}

/* --- LIGHT THEME ADJUSTMENTS --- */
[data-theme="light"] {
  --sys-case-block-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .ds-case-block:hover,
[data-theme="light"] .ds-capability-card:hover,
[data-theme="light"] .ds-stack-group:hover {
  box-shadow: var(--sys-case-block-shadow);
}