/* Basic grid utilities */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(191px, 1fr)); }

/* Typography */
.heading-1 { font-size: 2.5rem; font-weight: 700; line-height: 1.2; }
.heading-2 { font-size: 1.875rem; font-weight: 600; line-height: 1.3; }
.heading-3 { font-size: 1.5rem; font-weight: 600; line-height: 1.3; }
.title { color: var(--text); }
.subtitle { color: var(--text-secondary); }

/* Buttons & Links */
.btn { display: inline-block; font-weight: 600; text-decoration: none; border-radius: 12px; transition: all .3s ease; }
.btn-primary { background: var(--primary); color: white; padding: 0.75rem 2.5rem; }
.btn-outline  { background: transparent; color: var(--primary); border: 2px solid var(--primary); padding: 0.75rem 2.5rem; }
.cta-link{ color: var(--primary); font-weight: 600; }

/* Case page specific styles */
.case-meta { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; }
.case-meta span { padding: 0.5rem 1rem; background: rgba(255,255,255,0.05); border-radius: 8px; font-size: 0.9rem; }
.metric-large { text-align: center; padding: 1.5rem; background: var(--card-bg); border-radius: 12px; border: 1px solid rgba(255,255,255,0.08); }
.metric-number { font-size: 2rem; font-weight: 700; color: var(--accent); }
.metric-label { font-size: 1rem; color: var(--text-secondary); margin-top: 0.25rem; }
.metric-detail { font-size: 0.85rem; color: var(--text-secondary); opacity: 0.8; }
.case-grid, .solution-timeline, .impact-grid { display: grid; gap: 2rem; }
.case-grid { grid-template-columns: 2fr 1fr; }
.timeline-item { display: flex; gap: 1rem; align-items: flex-start; }
.timeline-number { width: 40px; height: 40px; background: var(--primary); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
.timeline-content { flex: 1; }
.impact-card { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 2rem; text-align: center; }
.impact-icon { width: 60px; height: 60px; background: var(--primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
.impact-icon i { font-size: 1.5rem; color: white; }
.testimonial-large { background: var(--card-bg); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; padding: 2rem; }
.testimonial-large blockquote { font-style: italic; font-size: 1.1rem; line-height: 1.6; }
.testimonial-author { margin-top: 1.5rem; }
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

/* Responsive */
@media (max-width: 768px) {
  .grid { gap: 1rem; }
  .heading-1 { font-size: 1.75rem; }
  .heading-2 { font-size: 1.5rem; }
  .heading-3 { font-size: 1.25rem; }
  .btn { width: 100%; padding: .75rem 1rem; }
  .case-grid { grid-template-columns: 1fr; }
  .case-meta { flex-direction: column; gap: 0.5rem; }
  .cta-row { flex-direction: column; }
  .cta-row .btn { width: 100%; }
}