.cs-hero {
  background: var(--navy);
  padding: 9rem 4rem 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cs-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 60%, rgba(82,151,255,0.13) 0%, transparent 65%);
}
.cs-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: linear-gradient(white 1px, transparent 1px), linear-gradient(90deg, white 1px, transparent 1px);
  background-size: 60px 60px;
}
.cs-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}
.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(82, 151, 255, 0.15);
  border: 1px solid rgba(82, 151, 255, 0.3);
  color: #7ab3ff;
  padding: 0.45rem 1rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1.75rem;
}
.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-bright);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}
.cs-hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: white;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.cs-hero h1 em {
  font-style: italic;
  background: linear-gradient(135deg, #7ab3ff, var(--blue-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cs-hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.75;
  max-width: 580px;
  margin: 0 auto;
}

/* ─── STATS BAR ─── */
.stats-bar {
  background: var(--off-white);
  border-bottom: 1px solid var(--border);
}
.stats-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 4rem;
  display: flex;
  justify-content: center;
  gap: 5rem;
  flex-wrap: wrap;
}
.stat-item {
  text-align: center;
}
.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--blue), var(--blue-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-lbl {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  margin-top: 0.2rem;
}

/* ─── GRID ─── */
.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 5rem 4rem;
}
.s-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
  margin-bottom: 1rem;
}
.s-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.s-title em {
  font-style: italic;
  color: var(--blue);
}
.s-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 3rem;
}
.s-head {
  text-align: center;
}
.s-head .s-sub {
  margin: 0 auto 3rem;
}

.cs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  align-items: stretch;
}

/* ─── CASE STUDY CARD ─── */
.cs-card {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.cs-card:hover {
  border-color: rgba(24, 95, 165, 0.3);
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}
.cs-card-top {
  padding: 2.25rem 2.25rem 0;
}
.cs-card-accent {
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-bright));
  border-radius: 3px;
  margin-bottom: 1.75rem;
  width: 48px;
  transition: width 0.4s;
}
.cs-card:hover .cs-card-accent {
  width: 100%;
}
.cs-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
}
.cs-cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.6rem;
}
.cs-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.3px;
  margin-bottom: 0.875rem;
  line-height: 1.25;
}
.cs-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

/* Features list */
.cs-features {
  list-style: none;
  margin-bottom: 1.5rem;
}
.cs-features li {
  display: flex;
  gap: 0.625rem;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--muted);
  padding: 0.35rem 0;
}
.cs-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Results */
.cs-results {
  background: var(--off-white);
  margin: 0 2.25rem 2.25rem;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}
.cs-results-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
}
.cs-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.cs-metric {
  text-align: center;
}
.cs-metric-val {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--blue), var(--blue-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cs-metric-lbl {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
  margin-top: 0.2rem;
  line-height: 1.3;
}

/* Tags */
.cs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 2.25rem 2.25rem;
  margin-top: auto;
}
.cs-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  background: rgba(24, 95, 165, 0.07);
  border: 1px solid rgba(24, 95, 165, 0.12);
  border-radius: 50px;
  color: var(--blue);
}

/* ─── CTA ─── */
.cta-box {
  background: var(--navy);
  border-radius: 24px;
  padding: 5rem 4rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(82, 151, 255, 0.12) 0%, transparent 70%);
}
.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}
.cta-box h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: white;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.cta-box h2 em {
  font-style: italic;
  color: #7ab3ff;
}
.cta-box p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.cta-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-hp {
  background: white;
  color: var(--navy);
  padding: 0.9rem 2rem;
  border-radius: 10px;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'Figtree', sans-serif;
  text-decoration: none;
  display: inline-block;
}
.btn-hp:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.2);
}
.btn-hg {
  background: none;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.85);
  padding: 0.9rem 2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'Figtree', sans-serif;
  text-decoration: none;
  display: inline-block;
}
.btn-hg:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.05);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.4s; }
.d5 { transition-delay: 0.5s; }

/* Card CTA */
.cs-card-cta {
  display: block;
  margin: 0 2.25rem 2.25rem;
  background: var(--navy);
  color: white;
  text-align: center;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.3s;
  letter-spacing: 0.2px;
}
.cs-card-cta:hover {
  background: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(13, 31, 60, 0.15);
}

@media(max-width: 1024px) {
  .cs-grid { grid-template-columns: 1fr; }
}

@media(max-width: 768px) {
  .cs-hero { padding: 6.5rem 1.25rem 3rem !important; }
  .cs-hero h1 { font-size: clamp(1.5rem, 6vw, 2rem) !important; }
  .cs-grid { grid-template-columns: 1fr !important; }
  .cs-metrics { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
  .cs-metric-val { font-size: 1.1rem; }
  .cs-card-top { padding: 1.25rem 1.25rem 0 !important; }
  .cs-results { margin: 0 1.25rem 1.25rem !important; }
  .cs-tags { padding: 0 1.25rem 1.25rem !important; }
  .cs-card-cta { margin: 0 1.25rem 1.25rem !important; }
  .wrap { padding: 2.5rem 1.25rem !important; }
  .stats-bar-inner { padding: 1.5rem 1.25rem; gap: 1.5rem; }
  .cta-box { padding: 2.5rem 1.5rem !important; }
}

@media(max-width: 480px) {
  .s-title { font-size: 1.4rem !important; }
  .cs-grid { grid-template-columns: 1fr !important; }
  .cta-btns { flex-direction: column; align-items: center; }
  .stats-bar-inner { gap: 1.5rem; }
  .stat-num { font-size: 1.4rem; }
}

/* ── Universal Mobile Safety Net ── */
@media(max-width: 768px) {
  img { max-width: 100%; height: auto; }
  * { word-break: break-word; box-sizing: border-box; }
  .cta-btns { flex-direction: column; align-items: stretch; gap: 0.75rem; }
  .cta-btns a { text-align: center; width: 100%; }
  .btn-hp, .btn-hg { display: block; width: 100%; text-align: center; }
}
@media(max-width: 480px) {
  h1, h2 { word-break: break-word; hyphens: auto; }
  .wrap { padding-left: 1rem !important; padding-right: 1rem !important; }
}