/**
 * Static subpages — Khả Văn (prototype HTML)
 */
.kv-sub-hero {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(125deg, #001a0e 0%, #005a32 38%, #0b8f4a 62%, #003d22 100%);
  color: #fff;
}

.kv-sub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 8% 50%, rgba(255, 198, 23, 0.18), transparent 55%),
    radial-gradient(ellipse 40% 35% at 92% 15%, rgba(255, 255, 255, 0.08), transparent 50%);
  pointer-events: none;
}

.kv-sub-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 5rem;
}

.kv-sub-main {
  max-width: 80rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.kv-card-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .kv-card-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .kv-card-grid--3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .kv-card-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.kv-pro-card {
  background: #fff;
  border: 1px solid var(--kv-border, #dce8e2);
  border-radius: var(--kv-radius, 14px);
  padding: 1.25rem;
  box-shadow: var(--kv-shadow);
  transition: transform 0.35s var(--kv-ease-out, ease), box-shadow 0.35s;
}

.kv-pro-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(6, 73, 45, 0.12);
}

.kv-pro-card img {
  width: 100%;
  height: 10rem;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 0.85rem;
}

.kv-pro-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: var(--kv-green);
}

.kv-pro-card p {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--kv-muted);
  line-height: 1.55;
}

.kv-price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  background: #fff;
  border-radius: var(--kv-radius);
  overflow: hidden;
  box-shadow: var(--kv-shadow);
}

.kv-price-table th,
.kv-price-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--kv-border);
  text-align: left;
}

.kv-price-table th {
  background: var(--kv-green-soft);
  color: var(--kv-green);
  font-weight: 800;
}

.kv-contact-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 992px) {
  .kv-contact-grid { grid-template-columns: 1fr 1fr; }
}