.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
    .sol-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-xl); overflow: hidden; transition: all 0.35s cubic-bezier(0.4,0,0.2,1); cursor: pointer; }
    .sol-card:hover { transform: translateY(-8px); box-shadow: 0 16px 48px rgba(0,0,0,0.12); border-color: transparent; }
    .sol-card-icon { aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
    .sol-card-body { padding: var(--space-5); }
    .sol-card-body h3 { font-size: var(--text-lg); font-weight: 700; color: var(--color-gray-900); margin-bottom: var(--space-2); }
    .sol-card-body p { font-size: var(--text-sm); color: var(--color-gray-500); line-height: var(--leading-relaxed); margin-bottom: var(--space-3); }
    .sol-link { display: inline-flex; align-items: center; gap: 4px; font-size: var(--text-sm); font-weight: 600; color: var(--color-primary); text-decoration: none; transition: gap 0.2s; }
    .sol-link:hover { gap: 8px; }
    @media (max-width: 1023px) { .sol-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 640px) { .sol-grid { grid-template-columns: 1fr; } }
.btn-block { display: block; width: 100%; }

/* ═══════════════════════════════════════════
   SINGLE SOLUTION PAGE (redesign)
   ═════════════════════════════════════════ */

.sol-detail-hero {
  position: relative;
  background: linear-gradient(135deg, #0f2440, #1a4a7c 55%, #2a5a8c);
  color: #fff;
  padding: var(--space-16, 64px) 0 var(--space-12, 48px);
  overflow: hidden;
}
.sol-detail-hero__bg {
  position: absolute; inset: 0; opacity: .18;
  background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,.25), transparent 40%),
                    radial-gradient(circle at 80% 0%, rgba(255,255,255,.15), transparent 45%);
}
.sol-detail-hero__inner { position: relative; z-index: 1; }
.sol-detail-hero__inner h1 { color: #fff; font-size: var(--text-4xl, 2.5rem); margin: 0 0 var(--space-3, 12px); }
.sol-detail-hero__sub { color: rgba(255,255,255,.85); max-width: 680px; font-size: var(--text-lg, 1.125rem); line-height: 1.7; margin: 0 0 var(--space-4, 16px); }
.sol-detail-hero__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sol-detail-hero__tags span {
  font-size: var(--text-xs, 12px); font-weight: 600; color: #fff;
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px; padding: 4px 13px;
}

.sol-detail-layout { padding: var(--space-12, 48px) 0 var(--space-16, 64px); }
.sol-detail-layout__grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-10, 40px);
  align-items: start;
}
.sol-detail-content { font-size: var(--text-base, 1rem); line-height: 1.8; color: var(--color-gray-700, #374151); }
.sol-detail-content h2, .sol-detail-content h3 { color: var(--color-gray-900, #111); margin: var(--space-6, 24px) 0 var(--space-3, 12px); }
.sol-detail-content p { margin-bottom: var(--space-4, 16px); }

/* [2] Prevent solution content from breaking mobile layout.
   Wide images / tables / iframes / <pre> must never exceed the viewport. */
.sol-detail-content img,
.sol-detail-content video,
.sol-detail-content iframe,
.sol-detail-content embed,
.sol-detail-content object,
.sol-detail-content canvas {
  max-width: 100% !important;
  height: auto !important;
}
.sol-detail-content table {
  width: 100% !important;
  max-width: 100%;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.sol-detail-content pre,
.sol-detail-content code {
  white-space: pre-wrap;
  word-break: break-word;
}
/* allow grid children to shrink so they can't force horizontal scroll */
.sol-detail-layout,
.sol-detail-main,
.sol-detail-sidebar { min-width: 0; }
.sol-detail-content--empty {
  text-align: center; padding: var(--space-12, 48px);
  background: var(--color-gray-50, #f9fafb); border-radius: var(--radius-lg, 12px);
}
.sol-detail-content--empty h3 { color: var(--color-gray-800); margin-bottom: var(--space-3); }
.sol-detail-content--empty p { color: var(--color-gray-600); max-width: 520px; margin: 0 auto; }

/* Features */
.sol-feature-block { margin-top: var(--space-12, 48px); }
.sol-feature-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5, 20px);
}
.sol-feature {
  display: flex; gap: var(--space-4, 16px);
  padding: var(--space-5, 20px);
  background: var(--color-white, #fff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-lg, 12px);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.05));
  transition: transform .3s ease, box-shadow .3s ease;
}
.sol-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg, 0 12px 30px rgba(0,0,0,.1)); }
.sol-feature__icon {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: var(--radius-lg, 12px);
  background: var(--color-primary-light, #e6f0fa); color: var(--color-primary, #1a3a5c);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.sol-feature h4 { font-size: var(--text-base, 1rem); font-weight: 700; color: var(--color-gray-900, #111); margin: 0 0 var(--space-1, 4px); }
.sol-feature p { font-size: var(--text-sm, 14px); color: var(--color-gray-600, #4b5563); line-height: 1.6; margin: 0; }

/* Sidebar */
.sol-detail-sidebar { position: sticky; top: var(--space-6, 24px); }
.sol-detail-sidebar__card {
  background: var(--color-white, #fff);
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-xl, 16px);
  padding: var(--space-6, 24px);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,.06));
}
.sol-detail-sidebar__card h4 { font-size: var(--text-lg, 18px); color: var(--color-gray-900); margin: 0 0 var(--space-2, 8px); }
.sol-detail-sidebar__card > p { font-size: var(--text-sm, 14px); color: var(--color-gray-600); line-height: 1.6; margin: 0 0 var(--space-4, 16px); }
.sol-detail-sidebar__meta { margin-top: var(--space-5, 20px); padding-top: var(--space-4, 16px); border-top: 1px solid var(--color-border, #e5e7eb); }
.sol-detail-sidebar__row { display: flex; justify-content: space-between; gap: var(--space-3, 12px); padding: var(--space-2, 8px) 0; font-size: var(--text-sm, 14px); }
.sol-detail-sidebar__row .k { color: var(--color-gray-500, #6b7280); }
.sol-detail-sidebar__row .v { color: var(--color-gray-900, #111); font-weight: 600; text-align: right; }

/* Related */
.sol-related { padding: var(--space-16, 64px) 0; background: var(--color-gray-50, #f9fafb); }
.sol-grid--related { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 1023px) {
  .sol-detail-layout__grid { grid-template-columns: 1fr; }
  .sol-detail-sidebar { position: static; }
  .sol-grid--related { grid-template-columns: repeat(2, 1fr); }
  .sol-feature-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .sol-grid--related { grid-template-columns: 1fr; }

  /* [mobile redesign] solution detail sidebar must never break the viewport */
  .sol-detail-layout { padding: var(--space-8, 32px) 0; overflow-x: hidden; }
  .sol-detail-layout__grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-8, 32px);
  }
  .sol-detail-main,
  .sol-detail-sidebar {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .sol-detail-sidebar { order: 2; }
  .sol-detail-sidebar__card {
    width: 100%;
    padding: var(--space-5, 20px);
    box-sizing: border-box;
  }
  .sol-detail-sidebar__card > p { word-break: break-word; }
  .sol-detail-sidebar__row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1, 4px);
  }
  .sol-detail-sidebar__row .v {
    text-align: left;
    max-width: 100%;
    word-break: break-word;
  }
  .sol-detail-content {
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .sol-detail-content--empty { padding: var(--space-8, 32px) var(--space-4, 16px); }
  .sol-detail-hero { padding: var(--space-12, 48px) 0 var(--space-8, 32px); }
  .sol-detail-hero__inner h1 { font-size: var(--text-2xl, 1.5rem); }
  .sol-detail-hero__sub { font-size: var(--text-base, 1rem); }
  .sol-feature { padding: var(--space-4, 16px); }
  .sol-feature__icon { width: 40px; height: 40px; }
}
.mega-dropdown.open,
    .nav-dropdown.open { display: block !important; }
    .hero-slides > .hero-slide:first-child .reveal { opacity: 1; transform: translateY(0); }
    @media (max-width: 1199px) {
      .two-col { grid-template-columns: 1fr !important; }
      .two-col > div { flex: 1 1 100% !important; }
      .product-card { grid-column: span 1; }
    }
    @media (max-width: 767px) {
      .nav-desktop { display: none; }
      .hamburger { display: flex; }
    }