/* =================================================================
   KPT WEBSITE - Solutions Page Styles
   Theme: Light, neutral (matches main style.css red primary)
   ================================================================= */

.sol-item-disclaimer {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-sm);
  font-style: italic;
}

/* ── Page Hero ───────────────────────────────────────────────────── */
.page-hero {
  background: var(--bg);
  padding: calc(var(--header-h) + var(--sp-xl)) 0 var(--sp-xl);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,0.06) 0%, transparent 65%);
  pointer-events: none;
}

/* Decorative grid */
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-light) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  opacity: 0.45;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.page-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-sm);
}

.page-breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.page-breadcrumb a:hover {
  color: var(--primary);
}

.page-breadcrumb i {
  font-size: 0.7rem;
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: var(--sp-sm);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.page-hero-title span {
  color: var(--primary);
}

.page-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Filter Tabs ─────────────────────────────────────────────────── */
.sol-filter {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: var(--header-h);
  z-index: 50;
}

.filter-tabs {
  display: flex;
  gap: var(--sp-xs);
  flex-wrap: wrap;
}

.filter-tab {
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 2px solid transparent;
  border-radius: 100px;
  padding: 0.5rem 1.2rem;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-tab:hover {
  color: var(--primary);
  background: rgba(14,165,233,0.06);
}

.filter-tab.active {
  color: var(--primary);
  background: rgba(14,165,233,0.08);
  border-color: rgba(14,165,233,0.25);
}

/* ── Solutions Grid ──────────────────────────────────────────────── */
.sol-list {
  background: var(--bg-gray);
}

.sol-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.sol-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.sol-item.hidden {
  display: none;
}

.sol-item:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(14,165,233,0.25);
}

/* Media side */
.sol-item-media {
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  padding: var(--sp-lg);
  position: relative;
  border-right: 1px solid var(--border-light);
}

.sol-item-icon-lg {
  width: 72px;
  height: 72px;
  background: rgba(14,165,233,0.08);
  border: 1px solid rgba(14,165,233,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
}

.sol-item-badge {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-dark);
  background: rgba(14,165,233,0.08);
  border: 1px solid rgba(14,165,233,0.2);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
}

/* Body side */
.sol-item-body {
  padding: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.sol-item-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.sol-item-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Specs row */
.sol-item-specs {
  display: flex;
  gap: var(--sp-md);
  padding: var(--sp-sm) 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.sol-spec {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.sol-spec-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

.sol-spec-key {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Features list */
.sol-item-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 1rem;
}

.sol-item-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.sol-item-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

/* Actions */
.sol-item-actions {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: var(--sp-xs);
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sol-item {
    grid-template-columns: 1fr;
  }

  .sol-item-media {
    padding: var(--sp-md);
    flex-direction: row;
    justify-content: flex-start;
  }

  .sol-item-icon-lg {
    font-size: 2.5rem;
  }

  .sol-item-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .sol-item-specs {
    flex-wrap: wrap;
    gap: var(--sp-sm);
  }

  .sol-item-actions {
    flex-direction: column;
  }

  .sol-item-actions .btn {
    width: 100%;
    justify-content: center;
  }
}