/* =========================
   PRODUCTS HERO
========================= */
.products-hero {
  background:
    linear-gradient(rgba(8, 18, 40, 0.72), rgba(8, 18, 40, 0.72)),
    url("../assets/images/DIP-Pre-Treatment-Plant.jpg") center/cover no-repeat;
  padding: 140px 40px 120px;
  text-align: center;
  color: #fff;
}

.products-hero-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 20px;
}

.products-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin-bottom: 16px;
  line-height: 1.15;
}

.products-hero p {
  font-size: 1.1rem;
  max-width: 580px;
  margin: 0 auto;
  color: rgba(255,255,255,0.75);
  font-weight: 300;
  line-height: 1.7;
}

/* =========================
   PRODUCTS INTRO ROW
========================= */
.products-intro {
  background: var(--mist);
  padding: 48px 40px;
  border-bottom: 1px solid var(--border);
}

.products-intro-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.products-intro p {
  font-size: 0.95rem;
  color: var(--text-mid);
  max-width: 600px;
  line-height: 1.7;
}

.products-count {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-light);
  white-space: nowrap;
}

.products-count span {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

/* =========================
   PRODUCTS ACCORDION
========================= */
.products-accordion {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 40px 100px;
}

.product-category {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--ease);
}

.product-category.active {
  box-shadow: 0 4px 20px rgba(13, 31, 60, 0.08);
}

.category-header {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  letter-spacing: 0.1px;
  transition: background var(--ease);
}

.category-header:hover {
  background: var(--mist);
}

.product-category.active .category-header {
  background: var(--navy);
  color: var(--white);
}

.category-header i {
  font-size: 13px;
  color: var(--text-light);
  transition: transform 0.3s ease, color var(--ease);
  flex-shrink: 0;
}

.product-category.active .category-header i {
  transform: rotate(180deg);
  color: rgba(255,255,255,0.7);
}

/* Content (collapsed by default) */
.category-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.product-category.active .category-content {
  max-height: 2000px;
}

/* Product item */
.product-item {
  padding: 22px 28px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  align-items: start;
}

.product-item:first-child {
  border-top: none;
}

.product-item h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  padding-top: 2px;
}

.product-item p {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.65;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {
  .products-hero {
    padding: 100px 24px 80px;
  }

  .products-intro {
    padding: 36px 24px;
  }

  .products-intro-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .products-accordion {
    padding: 32px 20px 72px;
  }

  .category-header {
    padding: 18px 20px;
    font-size: 0.93rem;
  }

  .product-item {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 20px;
  }
}