/* ==========================================================================
   ZERON FASTENERS - MODERN PRODUCT PAGE DESIGN SYSTEM (product-modern.css)
   Engineered for B2B Precision, High Conversion & Modern Visual Aesthetics
   ========================================================================== */

/* Design Tokens & CSS Variables */
:root {
  --pm-navy-primary: #002244;
  --pm-navy-dark: #041b2d;
  --pm-navy-deep: #02101e;
  --pm-navy-light: #0a335c;
  --pm-gold: #fdc900;
  --pm-gold-hover: #e5b500;
  --pm-gold-subtle: #fff9e6;
  --pm-slate-50: #f8fafc;
  --pm-slate-100: #f1f5f9;
  --pm-slate-200: #e2e8f0;
  --pm-slate-300: #cbd5e1;
  --pm-slate-400: #94a3b8;
  --pm-slate-600: #475569;
  --pm-slate-700: #334155;
  --pm-slate-800: #1e293b;
  --pm-slate-900: #0f172a;
  --pm-green: #10b981;
  --pm-green-subtle: #ecfdf5;
  --pm-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --pm-radius-sm: 6px;
  --pm-radius-md: 10px;
  --pm-radius-lg: 14px;
  --pm-radius-xl: 20px;
  --pm-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --pm-shadow-md: 0 6px 18px -4px rgba(0, 34, 68, 0.08);
  --pm-shadow-lg: 0 14px 30px -8px rgba(0, 34, 68, 0.12);
  --pm-shadow-xl: 0 24px 48px -12px rgba(0, 34, 68, 0.16);
  --pm-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Master Container Scoping */
.pm-product-page {
  font-family: var(--pm-font);
  color: var(--pm-slate-700);
  background-color: #ffffff;
  line-height: 1.6;
  font-size: 15px;
  box-sizing: border-box;
}

.pm-product-page *,
.pm-product-page *::before,
.pm-product-page *::after {
  box-sizing: border-box;
}

.pm-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   1. HERO SECTION (Product Header & Showcase)
   ========================================================================== */
.pm-hero-section {
  padding: 10px 0 50px 0;
  position: relative;
}

.pm-hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 40px;
  align-items: start;
}

/* Hero Content (Left) */
.pm-hero-content {
  display: flex;
  flex-direction: column;
}

.pm-badge-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.pm-badge-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--pm-navy-primary);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 5px 12px;
  border-radius: 30px;
  text-transform: uppercase;
}

.pm-badge-primary i {
  color: var(--pm-gold);
}

.pm-badge-accent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--pm-gold-subtle);
  color: #855b00;
  border: 1px solid rgba(253, 201, 0, 0.4);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 30px;
}

.pm-hero-title {
  font-size: 31px;
  font-weight: 800;
  color: var(--pm-navy-primary);
  line-height: 1.22;
  margin: 0 0 10px 0;
  letter-spacing: -0.5px;
}

.pm-hero-subtitle {
  font-size: 16px;
  font-weight: 600;
  color: var(--pm-slate-600);
  margin: 0 0 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.pm-hero-subtitle span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pm-hero-subtitle span::after {
  content: "•";
  color: var(--pm-gold);
  margin-left: 8px;
}

.pm-hero-subtitle span:last-child::after {
  display: none;
}

/* Quick Specs Matrix Bar */
.pm-quick-specs-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  background: var(--pm-slate-50);
  border: 1px solid var(--pm-slate-200);
  border-radius: var(--pm-radius-md);
  padding: 14px;
  margin-bottom: 22px;
}

.pm-spec-pill {
  display: flex;
  flex-direction: column;
  padding: 0 8px;
  border-right: 1px solid var(--pm-slate-200);
}

.pm-spec-pill:last-child {
  border-right: none;
}

.pm-spec-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--pm-slate-400);
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}

.pm-spec-value {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--pm-navy-primary);
  line-height: 1.3;
}

/* Hero Text */
.pm-hero-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--pm-slate-600);
  margin-bottom: 24px;
}

.pm-hero-desc p {
  margin-bottom: 14px;
}

.pm-hero-desc p:last-child {
  margin-bottom: 0;
}

/* CTAs */
.pm-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 5px;
}

.pm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
  padding: 13px 24px;
  border-radius: var(--pm-radius-sm);
  text-decoration: none !important;
  cursor: pointer;
  transition: var(--pm-transition);
  border: none;
}

.pm-btn-primary {
  background: var(--pm-navy-primary);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(0, 34, 68, 0.2);
}

.pm-btn-primary:hover {
  background: var(--pm-gold);
  color: var(--pm-navy-primary) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(253, 201, 0, 0.35);
}

.pm-btn-secondary {
  background: #ffffff;
  color: var(--pm-navy-primary) !important;
  border: 1.5px solid var(--pm-slate-200);
}

.pm-btn-secondary:hover {
  border-color: var(--pm-navy-primary);
  background: var(--pm-slate-50);
  transform: translateY(-2px);
}

.pm-btn-whatsapp {
  background: #25d366;
  color: #ffffff !important;
  font-weight: 600;
}

.pm-btn-whatsapp:hover {
  background: #1ebc59;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.3);
}

/* Product Media Card (Right) */
.pm-hero-media {
  position: sticky;
  top: 90px;
}

.pm-showcase-card {
  background: #ffffff;
  border: 1px solid var(--pm-slate-200);
  border-radius: var(--pm-radius-lg);
  box-shadow: var(--pm-shadow-lg);
  overflow: hidden;
  transition: var(--pm-transition);
}

.pm-showcase-card:hover {
  box-shadow: var(--pm-shadow-xl);
}

.pm-image-wrapper {
  position: relative;
  background: #ffffff;
  padding: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  overflow: hidden;
}

.pm-main-img {
  mix-blend-mode: multiply;
  max-width: 100%;
  max-height: 360px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 12px 24px rgba(0, 34, 68, 0.12));
}

.pm-showcase-card:hover .pm-main-img {
  mix-blend-mode: multiply;
  transform: scale(1.04);
}

.pm-float-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 10;
  background: rgba(4, 27, 45, 0.9);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 11.5px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid rgba(253, 201, 0, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pm-float-badge i {
  color: var(--pm-gold);
}

.pm-float-tested {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 10;
  background: rgba(16, 185, 129, 0.95);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.25);
}

/* Trust Bar Below Image */
.pm-trust-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--pm-slate-50);
  border-top: 1px solid var(--pm-slate-200);
  padding: 14px 10px;
}

.pm-trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 6px;
  border-right: 1px solid var(--pm-slate-200);
}

.pm-trust-item:last-child {
  border-right: none;
}

.pm-trust-item i {
  font-size: 18px;
  color: var(--pm-navy-primary);
  margin-bottom: 4px;
}

.pm-trust-title {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--pm-navy-primary);
}

.pm-trust-sub {
  font-size: 10.5px;
  color: var(--pm-slate-400);
}

/* ==========================================================================
   2. TECHNICAL SPECIFICATIONS HUB (Interactive Tabs)
   ========================================================================== */
.pm-specs-hub {
  padding: 50px 0;
  background-color: var(--pm-slate-50);
  border-top: 1px solid var(--pm-slate-200);
  border-bottom: 1px solid var(--pm-slate-200);
}

.pm-section-header {
  margin-bottom: 28px;
}

.pm-section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: #855b00;
  background: var(--pm-gold-subtle);
  border: 1px solid rgba(253, 201, 0, 0.4);
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}

.pm-section-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--pm-navy-primary);
  margin: 0 0 6px 0;
}

.pm-section-desc {
  font-size: 15px;
  color: var(--pm-slate-600);
  margin: 0;
}

/* Tab Controls */
.pm-tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 2px solid var(--pm-slate-200);
  margin-bottom: 24px;
}

.pm-tab-btn {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--pm-slate-600);
  padding: 12px 20px;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: var(--pm-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pm-tab-btn i {
  font-size: 15px;
  color: var(--pm-slate-400);
  transition: color 0.2s ease;
}

.pm-tab-btn:hover {
  color: var(--pm-navy-primary);
}

.pm-tab-btn.active {
  color: var(--pm-navy-primary);
  font-weight: 700;
  border-bottom-color: var(--pm-navy-primary);
}

.pm-tab-btn.active i {
  color: var(--pm-gold);
}

/* Tab Content Panels */
.pm-tab-panel {
  display: none;
  animation: pmFadeIn 0.3s ease;
}

.pm-tab-panel.active {
  display: block;
}

@keyframes pmFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Modern Data Table */
.pm-table-card {
  background: #ffffff;
  border: 1px solid var(--pm-slate-200);
  border-radius: var(--pm-radius-md);
  box-shadow: var(--pm-shadow-sm);
  overflow: hidden;
}

.pm-table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.pm-data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.pm-data-table thead th {
  background: var(--pm-navy-primary);
  color: #ffffff;
  font-weight: 700;
  padding: 14px 18px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  border: none;
}

.pm-data-table tbody td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--pm-slate-200);
  color: var(--pm-slate-700);
  vertical-align: middle;
}

.pm-data-table tbody tr:nth-child(even) {
  background-color: var(--pm-slate-50);
}

.pm-data-table tbody tr:hover {
  background-color: #f1f5f9;
}

.pm-data-table strong {
  color: var(--pm-navy-primary);
  font-weight: 700;
}

.pm-table-tag {
  display: inline-block;
  background: #e2e8f0;
  color: var(--pm-slate-800);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 4px;
}

/* ==========================================================================
   3. ENGINEERING CAD CUTAWAY & PRINCIPLES
   ========================================================================== */
.pm-cad-section {
  padding: 60px 0;
  background: #ffffff;
}

.pm-cad-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.pm-cad-visual {
  background: #02101e;
  border: 1px solid rgba(253, 201, 0, 0.2);
  border-radius: var(--pm-radius-lg);
  padding: 12px;
  box-shadow: var(--pm-shadow-xl);
  position: relative;
  overflow: hidden;
}

.pm-cad-img {
  width: 100%;
  height: auto;
  border-radius: var(--pm-radius-md);
  display: block;
}

.pm-cad-features {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.pm-feature-box {
  display: flex;
  gap: 16px;
  background: var(--pm-slate-50);
  border: 1px solid var(--pm-slate-200);
  border-radius: var(--pm-radius-md);
  padding: 18px;
  transition: var(--pm-transition);
}

.pm-feature-box:hover {
  border-color: var(--pm-navy-primary);
  transform: translateX(4px);
  background: #ffffff;
  box-shadow: var(--pm-shadow-md);
}

.pm-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--pm-navy-primary);
  color: var(--pm-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.pm-feature-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--pm-navy-primary);
  margin: 0 0 4px 0;
}

.pm-feature-desc {
  font-size: 13.5px;
  color: var(--pm-slate-600);
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   4. INDUSTRIAL APPLICATIONS MATRIX
   ========================================================================== */
.pm-apps-section {
  padding: 60px 0;
  background: var(--pm-slate-50);
  border-top: 1px solid var(--pm-slate-200);
  border-bottom: 1px solid var(--pm-slate-200);
}

.pm-apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.pm-app-card {
  background: #ffffff;
  border: 1px solid var(--pm-slate-200);
  border-radius: var(--pm-radius-md);
  padding: 24px;
  transition: var(--pm-transition);
  display: flex;
  flex-direction: column;
}

.pm-app-card:hover {
  transform: translateY(-4px);
  border-color: var(--pm-gold);
  box-shadow: var(--pm-shadow-md);
}

.pm-app-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--pm-gold-subtle);
  color: #855b00;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.pm-app-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--pm-navy-primary);
  margin: 0 0 8px 0;
}

.pm-app-desc {
  font-size: 13.5px;
  color: var(--pm-slate-600);
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   5. QUALITY TESTING RIGOR & CERTIFICATIONS
   ========================================================================== */
.pm-qa-section {
  padding: 60px 0;
  background: #ffffff;
}

.pm-qa-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.pm-qa-card {
  background: var(--pm-slate-50);
  border: 1px solid var(--pm-slate-200);
  border-radius: var(--pm-radius-md);
  padding: 22px;
  position: relative;
  transition: var(--pm-transition);
}

.pm-qa-card:hover {
  background: #ffffff;
  border-color: var(--pm-navy-primary);
  box-shadow: var(--pm-shadow-md);
}

.pm-qa-step {
  font-size: 11px;
  font-weight: 800;
  color: var(--pm-gold);
  background: var(--pm-navy-primary);
  padding: 2px 8px;
  border-radius: 12px;
  display: inline-block;
  margin-bottom: 12px;
}

.pm-qa-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--pm-navy-primary);
  margin: 0 0 6px 0;
}

.pm-qa-desc {
  font-size: 13px;
  color: var(--pm-slate-600);
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   6. EMBEDDED TECHNICAL RFQ CONVERSION FORM
   ========================================================================== */
.pm-rfq-section {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--pm-navy-primary) 0%, var(--pm-navy-dark) 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.pm-rfq-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(253, 201, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.pm-rfq-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
}

.pm-rfq-info h3 {
  font-size: 30px;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 12px 0;
  line-height: 1.25;
}

.pm-rfq-info p {
  color: var(--pm-slate-300);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.pm-rfq-perks {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pm-rfq-perk {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.pm-rfq-perk i {
  color: var(--pm-gold);
  font-size: 16px;
}

/* RFQ Form Box */
.pm-rfq-card {
  background: #ffffff;
  color: var(--pm-slate-800);
  border-radius: var(--pm-radius-lg);
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.pm-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.pm-form-group {
  display: flex;
  flex-direction: column;
}

.pm-form-group.full {
  grid-column: 1 / -1;
  margin-bottom: 16px;
}

.pm-form-group label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--pm-slate-700);
  margin-bottom: 5px;
}

.pm-form-control {
  width: 100%;
  height: 42px;
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--pm-slate-300);
  border-radius: var(--pm-radius-sm);
  background: var(--pm-slate-50);
  color: var(--pm-slate-800);
  transition: var(--pm-transition);
}

.pm-form-control:focus {
  outline: none;
  border-color: var(--pm-navy-primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(0, 34, 68, 0.1);
}

textarea.pm-form-control {
  height: 80px;
  resize: vertical;
}

.pm-form-submit {
  width: 100%;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 700;
  background: var(--pm-gold);
  color: var(--pm-navy-primary);
  border: none;
  border-radius: var(--pm-radius-sm);
  cursor: pointer;
  transition: var(--pm-transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.pm-form-submit:hover {
  background: var(--pm-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(253, 201, 0, 0.4);
}

/* ==========================================================================
   7. TECHNICAL FAQ (Schema-backed Accordion)
   ========================================================================== */
.pm-faq-section {
  padding: 60px 0;
  background: #ffffff;
}

.pm-accordion {
  max-width: 900px;
  margin: 30px auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pm-accordion-item {
  border: 1px solid var(--pm-slate-200);
  border-radius: var(--pm-radius-md);
  overflow: hidden;
  transition: var(--pm-transition);
}

.pm-accordion-item:hover {
  border-color: var(--pm-slate-300);
}

.pm-accordion-header {
  width: 100%;
  background: #ffffff;
  border: none;
  padding: 18px 22px;
  text-align: left;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  color: var(--pm-navy-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--pm-transition);
}

.pm-accordion-header:hover {
  background: var(--pm-slate-50);
}

.pm-accordion-header i {
  font-size: 14px;
  color: var(--pm-slate-400);
  transition: transform 0.25s ease;
}

.pm-accordion-item.active .pm-accordion-header {
  background: var(--pm-slate-50);
  color: var(--pm-navy-primary);
  border-bottom: 1px solid var(--pm-slate-200);
}

.pm-accordion-item.active .pm-accordion-header i {
  transform: rotate(180deg);
  color: var(--pm-navy-primary);
}

.pm-accordion-body {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pm-slate-600);
  background: #ffffff;
}

.pm-accordion-item.active .pm-accordion-body {
  padding: 18px 22px;
  max-height: 400px;
}

/* ==========================================================================
   8. RELATED GATE VALVES SHOWCASE
   ========================================================================== */
.pm-related-section {
  padding: 60px 0 70px 0;
  background: var(--pm-slate-50);
  border-top: 1px solid var(--pm-slate-200);
}

.pm-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.pm-related-card {
  background: #ffffff;
  border: 1px solid var(--pm-slate-200);
  border-radius: var(--pm-radius-md);
  overflow: hidden;
  box-shadow: var(--pm-shadow-sm);
  transition: var(--pm-transition);
  display: flex;
  flex-direction: column;
  text-decoration: none !important;
  color: inherit;
}

.pm-related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--pm-shadow-lg);
  border-color: var(--pm-navy-primary);
}

.pm-related-thumb {
  height: 170px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: hidden;
  border-bottom: 1px solid var(--pm-slate-100);
}

.pm-related-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.pm-related-card:hover .pm-related-thumb img {
  transform: scale(1.06);
}

.pm-related-info {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.pm-related-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--pm-slate-400);
  margin-bottom: 4px;
}

.pm-related-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--pm-navy-primary);
  margin: 0 0 10px 0;
  line-height: 1.35;
}

.pm-related-link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--pm-gold-hover);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.pm-related-card:hover .pm-related-link {
  color: var(--pm-navy-primary);
}

/* Quick Navigation Links Pills */
.pm-hub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 35px;
  justify-content: center;
}

.pm-hub-btn {
  background: #ffffff;
  border: 1px solid var(--pm-slate-200);
  color: var(--pm-navy-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 20px;
  text-decoration: none !important;
  transition: var(--pm-transition);
}

.pm-hub-btn:hover {
  background: var(--pm-navy-primary);
  color: #ffffff;
  border-color: var(--pm-navy-primary);
}

/* ==========================================================================
   9. MOBILE STICKY ACTION BAR
   ========================================================================== */
.pm-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #ffffff;
  border-top: 1px solid var(--pm-slate-200);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
  padding: 10px 16px;
  z-index: 999;
}

.pm-mobile-bar-flex {
  display: flex;
  gap: 10px;
  max-width: 600px;
  margin: 0 auto;
}

.pm-mobile-bar-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 11px 14px;
  border-radius: var(--pm-radius-sm);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none !important;
}

.pm-mob-call {
  background: var(--pm-slate-100);
  color: var(--pm-navy-primary) !important;
  border: 1px solid var(--pm-slate-300);
}

.pm-mob-rfq {
  background: var(--pm-gold);
  color: var(--pm-navy-primary) !important;
}

/* ==========================================================================
   10. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 991px) {
  .pm-hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .pm-hero-media {
    position: static;
  }

  .pm-cad-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .pm-apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pm-qa-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pm-rfq-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .pm-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  /* Prevent any horizontal screen bleed */
  .pm-product-page {
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
    padding-bottom: 75px !important;
    box-sizing: border-box !important;
  }

  .pm-container {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 14px !important;
    padding-right: 14px !important;
    box-sizing: border-box !important;
  }

  /* Hero Section Typography & Compact Layout */
  .pm-hero-section {
    padding: 6px 0 28px 0 !important;
  }

  .pm-hero-grid {
    gap: 20px !important;
  }

  .pm-badge-row {
    gap: 5px !important;
    margin-bottom: 8px !important;
  }

  .pm-badge-primary {
    font-size: 10px !important;
    padding: 3px 8px !important;
    border-radius: 4px !important;
    letter-spacing: 0.3px !important;
  }

  .pm-badge-accent {
    font-size: 9.5px !important;
    padding: 2.5px 7px !important;
    border-radius: 4px !important;
  }

  /* Sleek, Balanced Heading */
  .pm-hero-title {
    font-size: 21px !important;
    line-height: 1.25 !important;
    margin: 0 0 8px 0 !important;
    letter-spacing: -0.3px !important;
  }

  .pm-hero-subtitle {
    font-size: 12px !important;
    line-height: 1.45 !important;
    color: #64748b !important;
    margin: 0 0 12px 0 !important;
    gap: 4px 6px !important;
  }

  .pm-hero-subtitle span {
    font-size: 12px !important;
  }

  .pm-hero-subtitle span::after {
    margin-left: 6px !important;
  }

  /* 4-Pill Matrix Grid - Neat 2x2 Mini-Cards with zero overflow */
  .pm-quick-specs-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 6px !important;
    padding: 8px !important;
    margin-bottom: 14px !important;
    background: #f8fafc !important;
  }

  .pm-spec-pill {
    padding: 6px 8px !important;
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 6px !important;
    min-width: 0 !important;
  }

  .pm-spec-pill:nth-child(2),
  .pm-spec-pill:nth-child(3) {
    border-right: 1px solid #e2e8f0 !important;
  }

  .pm-spec-label {
    font-size: 9px !important;
    letter-spacing: 0.3px !important;
    margin-bottom: 2px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .pm-spec-value {
    font-size: 11.5px !important;
    line-height: 1.25 !important;
    word-break: break-word !important;
  }

  .pm-hero-desc {
    font-size: 13px !important;
    line-height: 1.55 !important;
    margin-bottom: 16px !important;
  }

  .pm-hero-desc p {
    margin-bottom: 10px !important;
  }

  /* Full Width Mobile Action Buttons */
  .pm-cta-group {
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
    margin-top: 0 !important;
  }

  .pm-btn {
    width: 100% !important;
    justify-content: center !important;
    font-size: 13px !important;
    padding: 10px 14px !important;
    border-radius: 6px !important;
  }

  /* Product Showcase Card on Mobile */
  .pm-image-wrapper {
    min-height: 210px !important;
    max-height: 250px !important;
    padding: 12px !important;
  }

  .pm-main-img {
  mix-blend-mode: multiply;
    max-height: 180px !important;
  }

  .pm-float-badge {
    top: 8px !important;
    left: 8px !important;
    font-size: 9px !important;
    padding: 2px 7px !important;
  }

  .pm-float-tested {
    bottom: 8px !important;
    right: 8px !important;
    font-size: 8.5px !important;
    padding: 2px 6px !important;
  }

  .pm-trust-bar {
    padding: 8px 4px !important;
  }

  .pm-trust-item i {
    font-size: 14px !important;
    margin-bottom: 2px !important;
  }

  .pm-trust-title {
    font-size: 10.5px !important;
  }

  .pm-trust-sub {
    font-size: 9px !important;
  }

  /* Specifications Hub Section */
  .pm-specs-hub {
    padding: 28px 0 !important;
  }

  .pm-section-header {
    margin-bottom: 16px !important;
  }

  .pm-section-tag {
    font-size: 9.5px !important;
    padding: 2px 8px !important;
    margin-bottom: 4px !important;
  }

  .pm-section-title {
    font-size: 19px !important;
    line-height: 1.3 !important;
    margin: 0 0 5px 0 !important;
  }

  .pm-section-desc {
    font-size: 12.5px !important;
    line-height: 1.5 !important;
  }

  /* Modern Swipeable Horizontal Tab Strip */
  .pm-tab-nav {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    gap: 6px !important;
    border-bottom: 2px solid var(--pm-slate-200) !important;
    margin-bottom: 14px !important;
    padding-bottom: 2px !important;
  }

  .pm-tab-nav::-webkit-scrollbar {
    display: none !important;
  }

  .pm-tab-btn {
    flex: 0 0 auto !important;
    white-space: nowrap !important;
    font-size: 12px !important;
    padding: 7px 11px !important;
    border-radius: 4px 4px 0 0 !important;
  }

  /* Tables on Mobile */
  .pm-table-responsive {
    border: 1px solid var(--pm-slate-200) !important;
    border-radius: 8px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    width: 100% !important;
  }

  .pm-data-table {
    min-width: 460px !important;
    font-size: 12px !important;
  }

  .pm-data-table thead th {
    padding: 9px 10px !important;
    font-size: 11px !important;
  }

  .pm-data-table tbody td {
    padding: 9px 10px !important;
  }

  .pm-table-tag {
    font-size: 10px !important;
    padding: 2px 6px !important;
  }

  /* Metallurgical Highlights Grid */
  .pm-cad-section {
    padding: 26px 0 !important;
  }

  .pm-cad-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .pm-cad-visual {
    padding: 8px !important;
    border-radius: 8px !important;
  }

  .pm-cad-badge {
    font-size: 11px !important;
    padding: 8px 10px !important;
  }

  .pm-cad-features {
    gap: 10px !important;
  }

  .pm-cad-feature {
    padding: 12px 14px !important;
    border-radius: 8px !important;
    gap: 10px !important;
  }

  .pm-cad-icon {
    width: 32px !important;
    height: 32px !important;
    font-size: 13px !important;
    border-radius: 6px !important;
  }

  .pm-cad-feature h4 {
    font-size: 13.5px !important;
    margin-bottom: 3px !important;
  }

  .pm-cad-feature p {
    font-size: 12px !important;
    line-height: 1.45 !important;
  }

  /* Applications Grid */
  .pm-apps-section {
    padding: 26px 0 !important;
  }

  .pm-apps-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    margin-top: 16px !important;
  }

  .pm-app-card {
    padding: 14px !important;
    border-radius: 8px !important;
  }

  .pm-app-icon-wrap {
    width: 34px !important;
    height: 34px !important;
    font-size: 15px !important;
    margin-bottom: 8px !important;
    border-radius: 6px !important;
  }

  .pm-app-title {
    font-size: 14px !important;
    margin-bottom: 4px !important;
  }

  .pm-app-desc {
    font-size: 12px !important;
    line-height: 1.45 !important;
  }

  /* Quality Assurance Cards */
  .pm-qa-section {
    padding: 26px 0 !important;
  }

  .pm-qa-grid {
    grid-template-columns: 1fr !important;
    gap: 9px !important;
    margin-top: 16px !important;
  }

  .pm-qa-card {
    padding: 12px 14px !important;
    border-radius: 8px !important;
  }

  .pm-qa-step {
    font-size: 9.5px !important;
    padding: 1.5px 6px !important;
    margin-bottom: 5px !important;
  }

  .pm-qa-title {
    font-size: 13.5px !important;
    margin-bottom: 3px !important;
  }

  .pm-qa-desc {
    font-size: 12px !important;
    line-height: 1.45 !important;
  }

  /* RFQ Section */
  .pm-rfq-section {
    padding: 26px 0 !important;
  }

  .pm-rfq-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }

  .pm-rfq-wrapper {
    padding: 18px 12px !important;
    border-radius: 10px !important;
  }

  .pm-rfq-info h3 {
    font-size: 17px !important;
    margin-bottom: 6px !important;
  }

  .pm-rfq-info p {
    font-size: 12px !important;
    line-height: 1.45 !important;
    margin-bottom: 12px !important;
  }

  .pm-rfq-perks {
    gap: 7px !important;
  }

  .pm-rfq-perk {
    font-size: 11.5px !important;
  }

  .pm-rfq-card {
    padding: 14px 12px !important;
    border-radius: 8px !important;
  }

  .pm-form-row {
    grid-template-columns: 1fr !important;
    gap: 9px !important;
    margin-bottom: 9px !important;
  }

  .pm-form-group {
    margin-bottom: 9px !important;
  }

  .pm-form-group label {
    font-size: 11.5px !important;
    margin-bottom: 3px !important;
  }

  .pm-form-control {
    padding: 8px 10px !important;
    font-size: 12.5px !important;
    border-radius: 5px !important;
  }

  .pm-form-submit {
    padding: 11px !important;
    font-size: 13px !important;
    border-radius: 6px !important;
  }

  /* FAQ Accordion */
  .pm-faq-section {
    padding: 26px 0 !important;
  }

  .pm-accordion {
    gap: 8px !important;
  }

  .pm-accordion-header {
    padding: 12px 14px !important;
    font-size: 13px !important;
    gap: 10px !important;
  }

  .pm-accordion-body {
    padding: 10px 14px !important;
    font-size: 12px !important;
    line-height: 1.5 !important;
  }

  /* Related Products Grid */
  .pm-related-section {
    padding: 26px 0 !important;
  }

  .pm-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
    margin-top: 16px !important;
  }

  .pm-related-thumb {
    height: 105px !important;
  }

  .pm-related-thumb img {
    max-height: 80px !important;
  }

  .pm-related-info {
    padding: 8px !important;
  }

  .pm-related-tag {
    font-size: 9px !important;
  }

  .pm-related-title {
    font-size: 12px !important;
    margin: 3px 0 5px 0 !important;
  }

  .pm-related-link {
    font-size: 10.5px !important;
  }

  .pm-hub-links {
    gap: 5px !important;
    margin-top: 14px !important;
  }

  .pm-hub-btn {
    font-size: 11px !important;
    padding: 6px 10px !important;
    border-radius: 4px !important;
  }

  /* Mobile Sticky Bottom Bar */
  .pm-mobile-bar {
    display: block !important;
  }

  .pm-mobile-bar-btn {
    font-size: 12.5px !important;
    padding: 11px !important;
  }
}



/* ==========================================================================
   GLOBAL PRELOADER FAILSAFE & VIEWPORT OVERFLOW SAFEGUARD
   ========================================================================== */
.preloader {
    pointer-events: none !important;
    animation: forceDismissPreloader 0.4s ease 0.6s forwards !important;
}
@keyframes forceDismissPreloader {
    to {
        opacity: 0 !important;
        visibility: hidden !important;
        display: none !important;
    }
}

html, body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
}

/* ==========================================================================
   14-INCH LAPTOP & COMPACT DESKTOPS (992px to 1200px)
   ========================================================================== */
@media (min-width: 992px) and (max-width: 1200px) {
    .pm-hero-grid {
        grid-template-columns: 1.15fr 0.85fr !important;
        gap: 24px !important;
    }
    .pm-hero-title {
        font-size: 26px !important;
        line-height: 1.25 !important;
    }
    .pm-hero-subtitle {
        font-size: 13.5px !important;
        gap: 6px !important;
    }
    .pm-quick-specs-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 8px !important;
        padding: 10px !important;
    }
    .pm-spec-pill {
        border-right: none !important;
        background: #ffffff !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 6px !important;
        padding: 6px 10px !important;
    }
    .pm-showcase-card {
        padding: 16px !important;
    }
    .pm-image-wrapper {
        min-height: 300px !important;
    }
    .pm-main-img {
  mix-blend-mode: multiply;
        max-height: 280px !important;
    }
    .pm-cta-group {
        gap: 10px !important;
    }
    .pm-btn {
        padding: 10px 16px !important;
        font-size: 13.5px !important;
    }
}

/* TABLET FINE-TUNING (768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .pm-quick-specs-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 10px !important;
        padding: 10px !important;
    }
    .pm-spec-pill {
        border-right: none !important;
        background: #ffffff !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 6px !important;
        padding: 8px 12px !important;
    }
}



/* Mobile Bottom Conversion Floating Bar */
.pm-mobile-action-bar {
    padding: 8px 10px !important;
}
.pm-mobile-bar-flex {
    gap: 8px !important;
}
.pm-mobile-bar-btn {
    font-size: 12px !important;
    padding: 10px 6px !important;
    white-space: nowrap !important;
    letter-spacing: -0.2px !important;
}