/* ==========================================================================
   شرکت جلالی پنوماتیک (JPC – Jalali Pneumatic Company)
   Industrial Luxury B2B Design System - RTL Persian & Technical Monospace
   Self-Hosted Local Fonts (Zero External Font Dependencies)
   ========================================================================== */

@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Medium.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('../fonts/Vazirmatn-ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono-SemiBold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono-SemiBold.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Core Palette - Light Engineering Default Theme */
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F1F5F9;
  --bg-elevated: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.92);

  /* Fixed Deep Slate Surfaces (Hero & JPC Brand Showcase) */
  --slate-deep: #0B1120;
  --slate-surface: #111827;
  --slate-elevated: #1E293B;
  --slate-border: rgba(148, 163, 184, 0.18);
  --slate-text: #F8FAFC;
  --slate-muted: #94A3B8;

  /* Text Colors */
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;

  /* Brand & Industrial Accents */
  --steel-accent: #0284C7;
  --steel-hover: #0369A1;
  --steel-soft: rgba(2, 132, 199, 0.1);
  --steel-border: rgba(2, 132, 199, 0.3);

  --amber-cta: #F59E0B;
  --amber-hover: #D97706;
  --amber-soft: rgba(245, 158, 11, 0.14);
  --amber-text-contrast: #0B1120;

  /* Status Colors */
  --status-success: #059669;
  --status-success-bg: rgba(5, 150, 105, 0.1);
  --status-inquiry: #0284C7;
  --status-inquiry-bg: rgba(2, 132, 199, 0.1);

  /* Technical Borders & Shadows */
  --border-tech: #E2E8F0;
  --border-strong: #CBD5E1;
  --shadow-xs: 0 1px 2px rgba(11, 17, 32, 0.04);
  --shadow-sm: 0 4px 12px rgba(11, 17, 32, 0.05);
  --shadow-md: 0 12px 28px -6px rgba(11, 17, 32, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(11, 17, 32, 0.16);

  /* Typography */
  --font-fa: 'Vazirmatn', system-ui, -apple-system, sans-serif;
  --font-en: 'JetBrains Mono', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Radii & Spacing */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --container-max: 1320px;
  --header-height: 76px;
  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Engineering Theme */
[data-theme="dark"] {
  --bg-primary: #0B1120;
  --bg-secondary: #111827;
  --bg-tertiary: #1E293B;
  --bg-elevated: #162033;
  --bg-glass: rgba(11, 17, 32, 0.92);

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;

  --steel-accent: #38BDF8;
  --steel-hover: #0284C7;
  --steel-soft: rgba(56, 189, 248, 0.12);
  --steel-border: rgba(56, 189, 248, 0.3);

  --status-success: #34D399;
  --status-success-bg: rgba(52, 211, 153, 0.12);
  --status-inquiry: #38BDF8;
  --status-inquiry-bg: rgba(56, 189, 248, 0.12);

  --border-tech: #1E293B;
  --border-strong: #334155;
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 14px 30px -6px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.65);
}

/* ==========================================================================
   Reset & Base Rules
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  font-size: 16px;
}

body {
  font-family: var(--font-fa);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  direction: rtl;
  text-align: right;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-base), color var(--transition-base);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

ul {
  list-style: none;
}

/* Technical Monospace Helper Classes */
.mono,
.tech-code {
  font-family: var(--font-mono);
  direction: ltr;
  unicode-bidi: embed;
  display: inline-block;
  letter-spacing: -0.01em;
}

.en-label {
  font-family: var(--font-en);
  direction: ltr;
  unicode-bidi: embed;
  display: inline-block;
}

/* Container & Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: 5.25rem;
  position: relative;
  border-bottom: 1px solid var(--border-tech);
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.75rem;
}

.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--steel-accent);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.section-eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background-color: var(--amber-cta);
  display: inline-block;
}

.section-title {
  font-size: clamp(1.55rem, 2.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  max-width: 780px;
  line-height: 1.8;
}

/* ==========================================================================
   Buttons & Interactive Controls
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.4;
  white-space: nowrap;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.btn-amber {
  background-color: var(--amber-cta);
  color: var(--amber-text-contrast);
  border-color: var(--amber-cta);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}

.btn-amber:hover {
  background-color: var(--amber-hover);
  border-color: var(--amber-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
}

.btn-steel {
  background-color: var(--steel-accent);
  color: #FFFFFF;
  border-color: var(--steel-accent);
}

.btn-steel:hover {
  background-color: var(--steel-hover);
  border-color: var(--steel-hover);
  transform: translateY(-1px);
}

.btn-outline-light {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--slate-text);
  border-color: rgba(248, 250, 252, 0.24);
}

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--amber-cta);
  color: #FFFFFF;
}

.btn-outline-tech {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline-tech:hover {
  border-color: var(--steel-accent);
  color: var(--steel-accent);
  background-color: var(--steel-soft);
}

.btn-rfq-add {
  background-color: var(--steel-soft);
  color: var(--steel-accent);
  border-color: var(--steel-border);
}

.btn-rfq-add:hover,
.btn-rfq-add.in-list {
  background-color: var(--steel-accent);
  color: #FFFFFF;
  border-color: var(--steel-accent);
}

.btn-telegram {
  background-color: rgba(14, 165, 233, 0.14);
  color: #0284C7;
  border-color: rgba(14, 165, 233, 0.35);
}

[data-theme="dark"] .btn-telegram {
  color: #38BDF8;
}

.btn-telegram:hover {
  background-color: #0284C7;
  color: #FFFFFF;
  border-color: #0284C7;
}

.btn-sm {
  padding: 0.5rem 0.85rem;
  font-size: 0.81rem;
}

.btn-xs {
  padding: 0.32rem 0.65rem;
  font-size: 0.75rem;
}

/* One-Click Copy Button */
.copy-code-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.48rem;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.copy-code-btn:hover {
  border-color: var(--steel-accent);
  color: var(--steel-accent);
  background-color: var(--steel-soft);
}

.copy-code-btn.copied {
  border-color: var(--status-success);
  color: var(--status-success);
  background-color: var(--status-success-bg);
}

.copy-code-btn svg {
  width: 13px;
  height: 13px;
}

/* Toast Notification */
.copy-toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 400;
  background-color: var(--slate-deep);
  color: #FFFFFF;
  border: 1px solid var(--amber-cta);
  border-right: 4px solid var(--amber-cta);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.copy-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Top Technical Bar & Header Navigation (Strict No-Wrap Links)
   ========================================================================== */
.top-tech-bar {
  background-color: var(--slate-deep);
  color: var(--slate-muted);
  border-bottom: 1px solid var(--slate-border);
  font-size: 0.76rem;
  padding-block: 0.42rem;
}

.top-tech-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.top-tech-items {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.top-tech-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.top-tech-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--amber-cta);
  flex-shrink: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-tech);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0B1120 0%, #1E293B 100%);
  border: 1px solid rgba(245, 158, 11, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber-cta);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.98rem;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-xs);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.brand-name-fa {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
}

.brand-name-sub {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  padding: 0.45rem 0.65rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-xs);
  white-space: nowrap;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--steel-accent);
  background-color: var(--steel-soft);
}

.nav-link-badge {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  padding: 0.05rem 0.36rem;
  border-radius: 3px;
  background-color: var(--amber-soft);
  color: var(--amber-hover);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .nav-link-badge {
  color: var(--amber-cta);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

/* Header RFQ Drawer Trigger Button */
.header-rfq-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.48rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.header-rfq-btn:hover {
  border-color: var(--amber-cta);
  background-color: var(--amber-soft);
}

.rfq-count-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  min-width: 22px;
  height: 22px;
  padding-inline: 0.35rem;
  border-radius: 999px;
  background-color: var(--amber-cta);
  color: var(--amber-text-contrast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-tech);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  border-color: var(--steel-accent);
  color: var(--steel-accent);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

[data-theme="light"] .icon-sun {
  display: none;
}

[data-theme="dark"] .icon-moon {
  display: none;
}

.mobile-menu-btn {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-tech);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
}

/* Mobile Drawer Menu */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 17, 32, 0.65);
  backdrop-filter: blur(4px);
  z-index: 190;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 86vw);
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-tech);
  z-index: 200;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(102%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-tech);
}

.mobile-drawer-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-tech);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-block: 1.25rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.72rem 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  border: 1px solid transparent;
  white-space: nowrap;
}

.mobile-nav-link:hover {
  background-color: var(--steel-soft);
  border-color: var(--steel-border);
  color: var(--steel-accent);
}

.mobile-drawer-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-tech);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* ==========================================================================
   Multi-Item RFQ Slide-Over Drawer (سبد استعلام قیمت چندقلمی)
   ========================================================================== */
.rfq-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 17, 32, 0.68);
  backdrop-filter: blur(4px);
  z-index: 250;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.rfq-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.rfq-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(460px, 94vw);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-strong);
  z-index: 260;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(-102%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.rfq-drawer.open {
  transform: translateX(0);
}

.rfq-drawer-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--slate-deep);
  color: #FFFFFF;
  border-bottom: 1px solid var(--slate-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.rfq-drawer-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.rfq-item-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.rfq-item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.rfq-item-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.45;
}

.rfq-item-remove {
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  border: 1px solid transparent;
}

.rfq-item-remove:hover {
  color: #EF4444;
  border-color: rgba(239, 68, 68, 0.35);
  background-color: rgba(239, 68, 68, 0.08);
}

.rfq-item-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-tech);
}

.rfq-qty-controls {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background-color: var(--bg-secondary);
  overflow: hidden;
}

.rfq-qty-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.rfq-qty-btn:hover {
  background-color: var(--steel-soft);
  color: var(--steel-accent);
}

.rfq-qty-input {
  width: 46px;
  height: 28px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  border-inline: 1px solid var(--border-tech);
}

.rfq-drawer-footer {
  padding: 1.15rem 1.5rem;
  background-color: var(--bg-tertiary);
  border-top: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* ==========================================================================
   Section 1: Hero Section & Category Compact Hero
   ========================================================================== */
.hero-section {
  background-color: var(--slate-deep);
  color: var(--slate-text);
  padding-block: 4.5rem 5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--slate-border);
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -20%;
  left: -10%;
  width: 55%;
  height: 90%;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.16) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.25rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.9rem;
  background-color: rgba(30, 41, 59, 0.85);
  border: 1px solid var(--slate-border);
  border-right: 3px solid var(--amber-cta);
  border-radius: var(--radius-xs);
  font-size: 0.82rem;
  font-weight: 600;
  color: #E2E8F0;
  margin-bottom: 1.35rem;
}

.hero-title {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.35;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.hero-title-highlight {
  color: var(--amber-cta);
}

.hero-lead {
  font-size: 1.02rem;
  color: #CBD5E1;
  line-height: 1.85;
  margin-bottom: 2rem;
  max-width: 660px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.hero-specs-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--slate-border);
}

.hero-spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-spec-code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: #38BDF8;
}

.hero-spec-label {
  font-size: 0.84rem;
  color: var(--slate-muted);
}

/* Hero Visual Showcase */
.hero-visual-panel {
  background-color: var(--slate-surface);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero-visual-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--slate-border);
  font-size: 0.75rem;
  color: var(--slate-muted);
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.2);
  aspect-ratio: 16 / 10;
  background-color: #080D1A;
}

.hero-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1rem;
  background: linear-gradient(to top, rgba(11, 17, 32, 0.95) 0%, rgba(11, 17, 32, 0.6) 65%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.hero-schematic-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.hero-mini-card {
  background-color: rgba(30, 41, 59, 0.65);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-xs);
  padding: 0.65rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: border-color var(--transition-fast);
}

.hero-mini-card:hover {
  border-color: var(--amber-cta);
}

.hero-mini-card-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: #F8FAFC;
}

.hero-mini-card-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber-cta);
}

/* Category Landing Page Compact Hero & Breadcrumbs */
.page-hero-compact {
  background-color: var(--slate-deep);
  color: var(--slate-text);
  padding-block: 3rem 3.25rem;
  border-bottom: 1px solid var(--slate-border);
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--slate-muted);
  margin-bottom: 1.25rem;
}

.breadcrumb-nav a:hover {
  color: var(--amber-cta);
}

.breadcrumb-sep {
  color: #475569;
}

.buying-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.guide-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-top: 3px solid var(--steel-accent);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.guide-card h3 {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--text-primary);
}

.guide-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ==========================================================================
   Section 2: Dual Sourcing & Brand Matrix
   ========================================================================== */
.sourcing-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.sourcing-pillar-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.sourcing-pillar-card:hover {
  transform: translateY(-3px);
  border-color: var(--steel-accent);
  box-shadow: var(--shadow-md);
}

.sourcing-pillar-card.pillar-jpc {
  border-top: 3px solid var(--amber-cta);
}

.sourcing-pillar-card.pillar-europe {
  border-top: 3px solid var(--steel-accent);
}

.sourcing-pillar-card.pillar-asia {
  border-top: 3px solid #10B981;
}

.pillar-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.pillar-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-tech);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-accent);
  flex-shrink: 0;
}

.pillar-jpc .pillar-icon-box {
  background-color: var(--amber-soft);
  color: var(--amber-hover);
  border-color: rgba(245, 158, 11, 0.35);
}

.pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-xs);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-tech);
}

.pillar-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.pillar-desc {
  font-size: 0.91rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.pillar-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  border-top: 1px solid var(--border-tech);
  padding-top: 1rem;
}

.pillar-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.pillar-feature-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--steel-accent);
  flex-shrink: 0;
}

.pillar-jpc .pillar-feature-list li::before {
  background-color: var(--amber-cta);
}

/* Brand Matrix Strip */
.brand-matrix-bar {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.brand-matrix-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-tech);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: right;
}

.brand-matrix-item:hover {
  border-color: var(--steel-accent);
  background-color: var(--steel-soft);
}

.brand-matrix-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.brand-matrix-code {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--text-primary);
}

.brand-matrix-origin {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--steel-accent);
  background-color: var(--steel-soft);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
}

.brand-matrix-name-fa {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.brand-matrix-action {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* ==========================================================================
   Section 3: Interactive Industrial Product Catalog & JPC Cross-Reference
   ========================================================================== */
.catalog-controls-panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.catalog-search-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1 1 340px;
}

.search-input-icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.catalog-search-input {
  width: 100%;
  padding: 0.8rem 2.75rem 0.8rem 2.5rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.catalog-search-input:focus {
  outline: none;
  border-color: var(--steel-accent);
  box-shadow: 0 0 0 3px var(--steel-soft);
}

.search-clear-btn {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.search-clear-btn.visible {
  display: inline-flex;
}

.catalog-result-counter {
  font-size: 0.85rem;
  color: var(--text-secondary);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-tech);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.catalog-filters-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-tech);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.filter-group-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
}

.filter-pills {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-pill {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-tech);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 0.83rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  border-color: var(--steel-accent);
  color: var(--steel-accent);
}

.filter-pill.active {
  background-color: var(--steel-accent);
  border-color: var(--steel-accent);
  color: #FFFFFF;
}

.filter-pill[data-brand="JPC"].active {
  background-color: var(--amber-cta);
  border-color: var(--amber-cta);
  color: var(--amber-text-contrast);
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--steel-accent);
  box-shadow: var(--shadow-md);
}

.product-card.is-jpc-brand {
  border-top: 3px solid var(--amber-cta);
}

.product-card.highlight-pulse {
  border-color: var(--amber-cta);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.35);
}

.product-card-top {
  padding: 1.15rem 1.2rem 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.brand-badge.badge-jpc {
  background-color: var(--amber-soft);
  color: var(--amber-hover);
  border-color: rgba(245, 158, 11, 0.45);
}

[data-theme="dark"] .brand-badge.badge-jpc {
  color: var(--amber-cta);
}

.brand-badge.badge-euro {
  background-color: var(--steel-soft);
  color: var(--steel-accent);
  border-color: var(--steel-border);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.71rem;
  font-weight: 700;
  padding: 0.18rem 0.52rem;
  border-radius: var(--radius-xs);
}

.status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-badge.status-available {
  background-color: var(--status-success-bg);
  color: var(--status-success);
}

.status-badge.status-available::before {
  background-color: var(--status-success);
}

.status-badge.status-inquiry {
  background-color: var(--status-inquiry-bg);
  color: var(--status-inquiry);
}

.status-badge.status-inquiry::before {
  background-color: var(--status-inquiry);
}

/* Schematic Illustration Box */
.product-schematic-box {
  margin-inline: 1.2rem;
  padding: 0.85rem 0.95rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.schematic-svg-wrap {
  width: 86px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--steel-accent);
  flex-shrink: 0;
}

.schematic-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  text-align: left;
}

.product-code-row {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.product-code-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  padding: 0.18rem 0.5rem;
  border-radius: 3px;
  direction: ltr;
}

.product-cat-label {
  font-size: 0.71rem;
  color: var(--text-muted);
}

.product-card-body {
  padding: 0.95rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.product-title-fa {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.5;
}

.product-specs-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--border-tech);
}

.spec-cell {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-xs);
  padding: 0.42rem 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.spec-cell.spec-cell-wide {
  grid-column: 1 / -1;
}

.spec-key {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.spec-val {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Technical Cross-Reference & JPC Equivalent Badge */
.jpc-equivalent-banner {
  background-color: var(--amber-soft);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-right: 3px solid var(--amber-cta);
  border-radius: var(--radius-xs);
  padding: 0.5rem 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.74rem;
}

.jpc-equivalent-text {
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.jpc-equivalent-switch-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--amber-text-contrast);
  background-color: var(--amber-cta);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}

.jpc-equivalent-switch-btn:hover {
  background-color: var(--amber-hover);
}

.equivalent-codes-strip {
  font-size: 0.72rem;
  color: var(--text-muted);
  background-color: var(--bg-primary);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-xs);
  padding: 0.4rem 0.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.product-card-footer {
  padding: 0.9rem 1.2rem 1.15rem;
  border-top: 1px solid var(--border-tech);
  background-color: var(--bg-tertiary);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.product-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.product-card-actions-secondary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.product-sub-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--text-muted);
  padding-top: 0.2rem;
}

.product-pdf-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--steel-accent);
  font-weight: 600;
}

.product-pdf-link:hover {
  text-decoration: underline;
}

/* Empty Filter State */
.catalog-empty-state {
  grid-column: 1 / -1;
  background-color: var(--bg-secondary);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 3.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* ==========================================================================
   Interactive Pneumatic Cylinder Force Calculator Section
   ========================================================================== */
.calculator-wrapper {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: stretch;
}

.calc-controls-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.bore-pills-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.45rem;
}

.bore-preset-btn {
  padding: 0.48rem 0.4rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-align: center;
  transition: all var(--transition-fast);
}

.bore-preset-btn:hover {
  border-color: var(--steel-accent);
  color: var(--steel-accent);
}

.bore-preset-btn.active {
  background-color: var(--steel-accent);
  border-color: var(--steel-accent);
  color: #FFFFFF;
}

.calc-inputs-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.calc-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.calc-range-slider {
  width: 100%;
  accent-color: var(--amber-cta);
  cursor: pointer;
}

.calc-results-box {
  background-color: var(--slate-deep);
  color: var(--slate-text);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}

.force-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.force-output-card {
  background-color: rgba(30, 41, 59, 0.75);
  border: 1px solid var(--slate-border);
  border-top: 3px solid var(--amber-cta);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.force-output-card.retraction {
  border-top-color: #38BDF8;
}

.force-val-primary {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFFFFF;
}

.force-val-secondary {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--amber-cta);
}

.force-output-card.retraction .force-val-secondary {
  color: #38BDF8;
}

.calc-recommended-box {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-tech);
}

.calc-rec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.calc-rec-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
}

/* ==========================================================================
   Section 4: Dedicated JPC Brand Showcase
   ========================================================================== */
.jpc-showcase-section {
  background-color: var(--slate-deep);
  color: var(--slate-text);
  border-bottom: 1px solid var(--slate-border);
  position: relative;
  overflow: hidden;
}

.jpc-showcase-section .section-title {
  color: #FFFFFF;
}

.jpc-showcase-section .section-desc {
  color: #CBD5E1;
}

.jpc-showcase-wrapper {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: stretch;
}

.jpc-brand-identity-box {
  background: linear-gradient(145deg, #111827 0%, #1E293B 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.75rem;
}

.jpc-emblem-header {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.jpc-emblem-badge {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-sm);
  background-color: var(--amber-cta);
  color: var(--amber-text-contrast);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
  flex-shrink: 0;
}

.jpc-pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.jpc-pillar-item {
  background-color: rgba(11, 17, 32, 0.65);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.jpc-pillar-item h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--amber-cta);
  margin-bottom: 0.35rem;
}

.jpc-pillar-item p {
  font-size: 0.82rem;
  color: #CBD5E1;
  line-height: 1.65;
}

.jpc-lineup-panel {
  background-color: var(--slate-surface);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
}

.jpc-series-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.jpc-series-row {
  background-color: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: border-color var(--transition-fast);
}

.jpc-series-row:hover {
  border-color: var(--amber-cta);
}

.jpc-series-codes {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #38BDF8;
  background-color: rgba(2, 132, 199, 0.15);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
}

/* ==========================================================================
   Section 5: Target Industries & 4-Step B2B Procurement Workflow
   ========================================================================== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.industry-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.industry-card:hover {
  border-color: var(--steel-accent);
  transform: translateY(-2px);
}

.industry-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--steel-soft);
  color: var(--steel-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.industry-card h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.industry-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 4-Step B2B Workflow */
.workflow-box {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  padding: 2.25rem;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.workflow-step-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  padding: 1.35rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--amber-text-contrast);
  background-color: var(--amber-cta);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.workflow-step-card h4 {
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--text-primary);
}

.workflow-step-card p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Section 6: B2B Inquiry, Bulk Order & WhatsApp / Telegram Contact Section
   ========================================================================== */
.inquiry-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

.inquiry-form-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.rfq-bom-form-banner {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  border-right: 4px solid var(--amber-cta);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  margin-bottom: 1.35rem;
  display: none;
}

.rfq-bom-form-banner.active {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-required {
  color: var(--amber-hover);
  font-size: 0.78rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.95rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.92rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--steel-accent);
  box-shadow: 0 0 0 3px var(--steel-soft);
}

textarea.form-control {
  min-height: 115px;
  resize: vertical;
}

/* File Upload Box */
.file-upload-zone {
  border: 1px dashed var(--border-strong);
  background-color: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.file-upload-zone:hover {
  border-color: var(--steel-accent);
  background-color: var(--steel-soft);
}

.file-upload-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.file-upload-status {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--steel-accent);
}

.form-feedback {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
}

.form-feedback.success {
  display: block;
  background-color: var(--status-success-bg);
  color: var(--status-success);
  border: 1px solid var(--status-success);
}

.form-feedback.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

/* Direct Contact Side Panel */
.contact-channels-card {
  background-color: var(--slate-deep);
  color: var(--slate-text);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.contact-channel-item {
  background-color: rgba(30, 41, 59, 0.65);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  padding: 0.95rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-channel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.contact-channel-label {
  font-size: 0.76rem;
  color: var(--slate-muted);
}

.contact-channel-value {
  font-size: 0.98rem;
  font-weight: 700;
  color: #FFFFFF;
}

/* ==========================================================================
   Modals (Quick Quote Modal & Technical Datasheet Modal)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 17, 32, 0.72);
  backdrop-filter: blur(5px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transform: translateY(16px);
  transition: transform var(--transition-base);
}

.modal-backdrop.open .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--slate-deep);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--slate-border);
}

.modal-close-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--slate-border);
  color: #CBD5E1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  color: #FFFFFF;
  border-color: var(--amber-cta);
}

.modal-body {
  padding: 1.5rem;
}

.prefilled-product-banner {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  border-right: 4px solid var(--amber-cta);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Floating RTL Action Stack (WhatsApp + RFQ Drawer Pill)
   ========================================================================== */
.floating-actions-stack {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 150;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
}

.floating-rfq-fab {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background-color: var(--slate-deep);
  color: #FFFFFF;
  padding: 0.65rem 1.05rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.82rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--amber-cta);
  transition: transform var(--transition-fast);
}

.floating-rfq-fab:hover {
  transform: translateY(-2px);
}

.floating-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background-color: #10B981;
  color: #FFFFFF;
  padding: 0.72rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.38);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(16, 185, 129, 0.5);
  color: #FFFFFF;
}

.floating-whatsapp svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.floating-wa-code-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background-color: rgba(11, 17, 32, 0.35);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  display: none;
}

.floating-wa-code-badge.active {
  display: inline-block;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--slate-deep);
  color: var(--slate-muted);
  padding-top: 4rem;
  border-top: 1px solid var(--slate-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--slate-border);
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.86rem;
  color: var(--slate-muted);
}

.footer-links a:hover {
  color: var(--amber-cta);
}

.footer-bottom {
  padding-block: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
}

/* ==========================================================================
   Technical Cross-Reference & Comparison HTML Tables (SEO + GEO Extraction)
   ========================================================================== */
.comparison-table-wrapper {
  width: 100%;
  overflow-x: auto;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}

.tech-comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
  font-size: 0.86rem;
  min-width: 760px;
}

.tech-comparison-table caption {
  text-align: right;
  padding: 1rem 1.35rem;
  font-weight: 800;
  font-size: 0.94rem;
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-tech);
}

.tech-comparison-table thead th {
  background-color: var(--slate-deep);
  color: #F8FAFC;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.9rem 1.15rem;
  border-bottom: 2px solid var(--amber-cta);
  white-space: nowrap;
}

.tech-comparison-table tbody td {
  padding: 0.88rem 1.15rem;
  border-bottom: 1px solid var(--border-tech);
  color: var(--text-secondary);
  vertical-align: middle;
}

.tech-comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.tech-comparison-table tbody tr:hover td {
  background-color: var(--steel-soft);
}

.table-jpc-code {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--amber-hover);
  background-color: var(--amber-soft);
  padding: 0.22rem 0.55rem;
  border-radius: 4px;
  border: 1px solid rgba(245, 158, 11, 0.35);
  direction: ltr;
  display: inline-block;
}

[data-theme="dark"] .table-jpc-code {
  color: var(--amber-cta);
}

.table-euro-code {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--steel-accent);
  direction: ltr;
  display: inline-block;
}

/* ==========================================================================
   Engineering FAQ Accordion Section (FAQPage Schema Aligned)
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

details.faq-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

details.faq-item[open] {
  border-color: var(--steel-accent);
  box-shadow: var(--shadow-sm);
}

summary.faq-question {
  padding: 1.1rem 1.35rem;
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  user-select: none;
}

summary.faq-question::-webkit-details-marker {
  display: none;
}

summary.faq-question::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--amber-cta);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

details.faq-item[open] summary.faq-question::after {
  content: "−";
  background-color: var(--amber-cta);
  color: var(--amber-text-contrast);
  border-color: var(--amber-cta);
}

.faq-answer {
  padding: 0 1.35rem 1.2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.85;
  border-top: 1px solid var(--border-tech);
  padding-top: 0.95rem;
}

/* ==========================================================================
   Footer E-E-A-T Contact & Location Signals
   ========================================================================== */
.footer-eeat-box {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  background-color: rgba(30, 41, 59, 0.55);
  border: 1px solid var(--slate-border);
  border-right: 3px solid var(--amber-cta);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: #CBD5E1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* ==========================================================================
   Responsive Design Breakpoints
   ========================================================================== */
@media (max-width: 1180px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .hero-grid,
  .jpc-showcase-wrapper,
  .inquiry-layout,
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sourcing-matrix-grid,
  .buying-guide-grid,
  .calc-rec-grid {
    grid-template-columns: 1fr;
  }
  .brand-matrix-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .workflow-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding-block: 3.75rem;
  }
  .catalog-filters-grid,
  .products-grid,
  .industries-grid,
  .workflow-steps,
  .brand-matrix-bar,
  .jpc-pillars-grid,
  .form-grid,
  .footer-grid,
  .force-cards-grid,
  .calc-inputs-row {
    grid-template-columns: 1fr;
  }
  .bore-pills-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .hero-specs-strip,
  .hero-schematic-cards {
    grid-template-columns: 1fr;
  }
  .header-cta-desktop {
    display: none;
  }
}