/* ============================================================
   products.css — Products page styles
   ============================================================ */

/* ── Active nav ── */
.nav-active {
  color: var(--white) !important;
  font-weight: 600;
}
.nav-header.scrolled .nav-active {
  color: var(--navy) !important;
}

/* ── Page hero ── */
.prod-hero {
  background: var(--navy);
  padding: 160px 0 80px;
  text-align: center;
}
.prod-hero-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 20px;
}
.prod-hero-headline {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
}
.prod-hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.6);
  max-width: 560px;
  margin: 0 auto;
}

/* ── Product grid section ── */
.prod-grid-section {
  background: var(--cloud);
  padding: 96px 0;
}

.prod-category-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 20px;
  margin-top: 64px;
}
.prod-category-label:first-child {
  margin-top: 0;
}

.prod-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 8px;
}
.prod-grid--3 { grid-template-columns: repeat(3, 1fr); }
.prod-grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ── Product card ── */
.prod-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}
.prod-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.prod-card--featured .prod-card-img-wrap {
  aspect-ratio: 16 / 9;
}

.prod-card-img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--cloud);
}
.prod-card-img-wrap--dark {
  background: #111;
}
.prod-card-img-wrap--contain .prod-card-img {
  object-fit: contain;
  padding: 12px;
}
.prod-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.prod-card:hover .prod-card-img {
  transform: scale(1.03);
}

.prod-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.prod-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.prod-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}
.prod-tag--grs {
  background: rgba(51, 81, 229, 0.08);
  color: var(--blue);
}
.prod-tag--aware {
  background: rgba(35, 220, 225, 0.1);
  color: #0a9ea3;
}
.prod-tag--pfas {
  background: rgba(52, 199, 89, 0.1);
  color: #1a7a3a;
}

.prod-card-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
}
.prod-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
  margin: 0;
}
.prod-card-footer {
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.prod-card-application {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── PTA comparison section ── */
.prod-compare-section {
  background: var(--navy);
  padding: 100px 0;
}
.prod-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 96px);
  align-items: center;
}
.prod-compare-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.prod-compare-title {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
}
.prod-compare-body {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.75;
  margin-bottom: 28px;
}
.prod-compare-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.prod-compare-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
}
.prod-compare-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.prod-compare-dot--green { background: #34c759; }

.prod-compare-img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
  display: block;
}
.prod-compare-caption {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
  margin-top: 10px;
  text-align: center;
}

/* ── Certifications strip ── */
.prod-cert-strip {
  background: var(--white);
  padding: 100px 0;
}
.prod-cert-strip-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 96px);
  align-items: center;
}
.prod-cert-strip-title {
  font-size: clamp(26px, 2.8vw, 36px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 16px;
}
.prod-cert-strip-body {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 28px;
}
.prod-cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.prod-cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  background: var(--cloud);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 100px;
}
.prod-cert-strip-img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .prod-grid--3 { grid-template-columns: 1fr 1fr; }
  .prod-compare-grid { grid-template-columns: 1fr; gap: 40px; }
  .prod-cert-strip-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .prod-hero { padding: 120px 0 56px; }
  .prod-grid-section { padding: 64px 0; }
  .prod-grid--3 { grid-template-columns: 1fr; }
  .prod-grid--2 { grid-template-columns: 1fr; }
  .prod-compare-section { padding: 64px 0; }
  .prod-cert-strip { padding: 64px 0; }
  .prod-category-label { margin-top: 40px; }
}