/* ==========================================================================
   MISHREE ENGINEERS / ROLLER MFG - PREMIUM INDUSTRIAL DESIGN SYSTEM
   File: assets/css/style.css
   Author: Senior Frontend Architect & UI/UX Specialist
   Brand Identity: Mishree Engineers (Est. 2018, Ahmedabad, India)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES / DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette - Precision Industrial */
  --color-charcoal-900: #0c1015;
  --color-charcoal-800: #12171e;
  --color-charcoal-700: #182029;
  --color-charcoal-600: #222b37;
  --color-charcoal-500: #2e3a49;
  
  --color-steel-400: #64748b;
  --color-steel-300: #94a3b8;
  --color-steel-200: #cbd5e1;
  --color-steel-100: #e2e8f0;
  --color-steel-50:  #f1f5f9;

  --color-ivory:       #f8fafc;
  --color-white:       #ffffff;
  --color-dark-text:   #0f172a;
  --color-body-text:   #334155;
  --color-muted-text:  #64748b;

  /* Copper / Burnt Orange Accent (WCAG AA compliant against dark & light) */
  --color-copper:       #d96b27;
  --color-copper-hover: #bc571b;
  --color-copper-light: #fef3eb;
  --color-copper-glow:  rgba(217, 107, 39, 0.25);

  /* Engineering Blue Accent (Echoes the Mishree gear logo) */
  --color-eng-blue:       #134e7b;
  --color-eng-blue-hover: #0c395b;
  --color-eng-blue-light: #edf5fa;

  /* Status Colors */
  --color-success: #15803d;
  --color-error:   #b91c1c;
  --color-warning: #b45309;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;

  /* Spacing Scale */
  --space-2xs: 0.25rem;
  --space-xs:  0.5rem;
  --space-sm:  0.75rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1280px;
  --container-pad: 1.5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(12, 16, 21, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(12, 16, 21, 0.08), 0 2px 4px -2px rgba(12, 16, 21, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(12, 16, 21, 0.1), 0 4px 6px -4px rgba(12, 16, 21, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(12, 16, 21, 0.15), 0 8px 10px -6px rgba(12, 16, 21, 0.08);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 16px 32px -4px rgba(15, 23, 42, 0.12), 0 4px 8px -2px rgba(15, 23, 42, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. MODERN CSS RESET & ACCESSIBILITY
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-body-text);
  background-color: var(--color-ivory);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

main {
  flex: 1 0 auto;
}

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

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

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

ul, ol {
  list-style: none;
}

/* Accessibility: Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-copper);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  z-index: 99999;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 1rem;
}

/* Accessible Focus Outlines */
:focus-visible {
  outline: 3px solid var(--color-copper);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY HIERARCHY
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark-text);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

h4 {
  font-size: 1.2rem;
  font-weight: 600;
}

h5 {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: 1rem;
  color: var(--color-body-text);
}

p:last-child {
  margin-bottom: 0;
}

.text-lead {
  font-size: clamp(1.05rem, 1.25vw, 1.25rem);
  line-height: 1.65;
  color: var(--color-charcoal-600);
}

.text-muted {
  color: var(--color-muted-text);
}

.text-copper {
  color: var(--color-copper);
}

.text-blue {
  color: var(--color-eng-blue);
}

.text-center {
  text-align: center;
}

/* --------------------------------------------------------------------------
   4. LAYOUT & GRID CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container-narrow {
  width: 100%;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: clamp(3rem, 6vw, 5.5rem);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-dark {
  background-color: var(--color-charcoal-900);
  color: var(--color-steel-200);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: var(--color-steel-300);
}

.section-subtle {
  background-color: #f1f4f8;
}

.section-header {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-header.text-center {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
}

.badge-copper {
  background-color: var(--color-copper-light);
  color: var(--color-copper-hover);
  border: 1px solid rgba(217, 107, 39, 0.2);
}

.badge-dark {
  background-color: var(--color-charcoal-700);
  color: var(--color-steel-100);
  border: 1px solid var(--color-charcoal-600);
}

.badge-blue {
  background-color: var(--color-eng-blue-light);
  color: var(--color-eng-blue);
  border: 1px solid rgba(19, 78, 123, 0.2);
}

/* --------------------------------------------------------------------------
   5. TOPBAR & NAVIGATION HEADER
   -------------------------------------------------------------------------- */
.topbar {
  background-color: var(--color-charcoal-900);
  color: var(--color-steel-300);
  font-size: 0.825rem;
  border-bottom: 1px solid var(--color-charcoal-700);
  padding: 0.5rem 0;
}

.topbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-steel-200);
  transition: color var(--transition-fast);
}

.topbar-item:hover {
  color: var(--color-copper);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-steel-100);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo img {
  height: 75px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-charcoal-700);
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-copper);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-copper);
  border-radius: var(--radius-full);
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.75rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 1010;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-charcoal-700);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--color-steel-50);
  color: var(--color-copper);
  padding-left: 1.5rem;
}

.dropdown-divider {
  height: 1px;
  background-color: var(--color-steel-100);
  margin: 0.4rem 0;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle Hamburger */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--color-steel-50);
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-charcoal-900);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Drawer Overlay */
.mobile-menu-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  padding: 2rem 1.5rem;
  overflow-y: auto;
  transition: right var(--transition-base);
  display: flex;
  flex-direction: column;
}

.mobile-menu-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-steel-100);
}

.mobile-close-btn {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-steel-50);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-charcoal-800);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-copper);
  background-color: var(--color-steel-50);
}

.mobile-submenu {
  padding-left: 1rem;
  margin-top: 0.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border-left: 2px solid var(--color-steel-100);
}

.mobile-submenu-link {
  font-size: 0.9rem;
  color: var(--color-charcoal-600);
  padding: 0.5rem 0.5rem;
  display: block;
}

.mobile-submenu-link:hover {
  color: var(--color-copper);
}

.mobile-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(12, 16, 21, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-backdrop.open {
  opacity: 1;
  visibility: visible;
}

/* --------------------------------------------------------------------------
   6. BUTTONS & INTERACTIVE CONTROLS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1rem;
}

.btn-copper {
  background-color: var(--color-copper);
  color: var(--color-white);
  border: 1px solid var(--color-copper);
  box-shadow: 0 2px 4px rgba(217, 107, 39, 0.25);
}

.btn-copper:hover {
  background-color: var(--color-copper-hover);
  border-color: var(--color-copper-hover);
  box-shadow: 0 4px 12px rgba(217, 107, 39, 0.35);
  color: var(--color-white);
}

.btn-outline-copper {
  background-color: transparent;
  color: var(--color-copper);
  border: 1.5px solid var(--color-copper);
}

.btn-outline-copper:hover {
  background-color: var(--color-copper);
  color: var(--color-white);
}

.btn-blue {
  background-color: var(--color-eng-blue);
  color: var(--color-white);
  border: 1px solid var(--color-eng-blue);
}

.btn-blue:hover {
  background-color: var(--color-eng-blue-hover);
  border-color: var(--color-eng-blue-hover);
  color: var(--color-white);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.btn-dark {
  background-color: var(--color-charcoal-700);
  color: var(--color-white);
  border: 1px solid var(--color-charcoal-600);
}

.btn-dark:hover {
  background-color: var(--color-charcoal-600);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  border: 1px solid #25d366;
}

.btn-whatsapp:hover {
  background-color: #1ebd5b;
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   7. HERO SECTIONS
   -------------------------------------------------------------------------- */
.hero-home {
  position: relative;
  background-color: var(--color-charcoal-900);
  color: var(--color-white);
  padding: clamp(4rem, 8vw, 7rem) 0;
  overflow: hidden;
  border-bottom: 1px solid var(--color-charcoal-700);
}

.hero-home::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 80% 20%, rgba(217, 107, 39, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(19, 78, 123, 0.25) 0%, transparent 50%),
    linear-gradient(to right, rgba(12, 16, 21, 0.95) 30%, rgba(12, 16, 21, 0.65) 100%);
  z-index: 1;
}

.hero-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.hero-content h1 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.hero-content p {
  color: var(--color-steel-200);
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-trust-indicators {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-charcoal-600);
}

.hero-metric-val {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-copper);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.hero-metric-lbl {
  font-size: 0.8rem;
  color: var(--color-steel-300);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-visual-card {
  background-color: var(--color-charcoal-800);
  border: 1px solid var(--color-charcoal-600);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.hero-visual-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

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

.hero-badge-float {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(12, 16, 21, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-charcoal-500);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-badge-icon {
  color: var(--color-copper);
  font-size: 1.25rem;
}

.hero-badge-text {
  font-size: 0.8rem;
  line-height: 1.3;
}

.hero-badge-title {
  color: var(--color-white);
  font-weight: 700;
}

.hero-badge-sub {
  color: var(--color-steel-300);
}

/* Subpage Breadcrumb Header */
.subpage-hero {
  background-color: var(--color-charcoal-900);
  color: var(--color-white);
  padding: clamp(3rem, 5vw, 4.5rem) 0;
  border-bottom: 1px solid var(--color-charcoal-700);
  position: relative;
}

.subpage-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 90% 10%, rgba(217, 107, 39, 0.12), transparent 40%);
  pointer-events: none;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-steel-300);
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-steel-200);
}

.breadcrumbs a:hover {
  color: var(--color-copper);
}

.breadcrumbs-separator {
  color: var(--color-steel-400);
}

.breadcrumbs-current {
  color: var(--color-white);
  font-weight: 600;
}

/* Breadcrumb banner title + content: always white on the dark banner */
.subpage-hero > .container {
  position: relative;
  z-index: 1;
}

.subpage-hero h1 {
  color: var(--color-white);
  overflow-wrap: anywhere;
}

.subpage-hero .text-lead {
  color: var(--color-steel-200);
  max-width: 780px;
  margin-top: 0.85rem;
}

.subpage-hero .badge-tag {
  margin-bottom: 0.85rem;
}

.subpage-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

/* --------------------------------------------------------------------------
   8. PRODUCT CARDS & CATALOG
   -------------------------------------------------------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-steel-200);
}

.product-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background-color: var(--color-steel-50);
  overflow: hidden;
  border-bottom: 1px solid var(--color-steel-100);
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-media img {
  transform: scale(1.04);
}

.product-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(12, 16, 21, 0.8);
  backdrop-filter: blur(4px);
  color: var(--color-steel-100);
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.product-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--color-copper);
  margin-bottom: 0.35rem;
}

.product-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-dark-text);
}

.product-card-desc {
  font-size: 0.9rem;
  color: var(--color-muted-text);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.product-card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-steel-100);
}

.spec-pill {
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--color-steel-50);
  color: var(--color-charcoal-600);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-steel-100);
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Category Filter Bar (products.html) */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  padding: 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

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

.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: var(--color-steel-50);
  color: var(--color-charcoal-700);
  border: 1px solid var(--color-steel-100);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-copper);
  color: var(--color-white);
  border-color: var(--color-copper);
}

.filter-search-box {
  position: relative;
  min-width: 260px;
}

.filter-search-input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.25rem;
  font-size: 0.875rem;
  border: 1px solid var(--color-steel-200);
  border-radius: var(--radius-full);
  background: var(--color-steel-50);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.filter-search-input:focus {
  background: var(--color-white);
  border-color: var(--color-copper);
  outline: none;
}

.filter-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-steel-400);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   9. PRODUCT DETAIL SPECIFICATION TABLES & MATRICES
   -------------------------------------------------------------------------- */
.product-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.product-gallery {
  position: sticky;
  top: 100px;
}

.product-main-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-steel-100);
  background-color: var(--color-white);
  box-shadow: var(--shadow-card);
  margin-bottom: 1rem;
  aspect-ratio: 4 / 3;
}

.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-quick-specs {
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.specs-table th,
.specs-table td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--color-steel-100);
}

.specs-table th {
  color: var(--color-muted-text);
  font-weight: 600;
  width: 35%;
  background-color: var(--color-steel-50);
}

.specs-table td {
  color: var(--color-dark-text);
  font-weight: 500;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--color-white);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-steel-100);
}

.feature-icon {
  color: var(--color-copper);
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.feature-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  color: var(--color-dark-text);
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--color-muted-text);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   10. INDUSTRIES WE SERVE
   -------------------------------------------------------------------------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.75rem;
}

.industry-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.industry-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.industry-media {
  aspect-ratio: 16 / 10;
  background-color: var(--color-steel-50);
  overflow: hidden;
}

.industry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.industry-card:hover .industry-media img {
  transform: scale(1.05);
}

.industry-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.industry-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.industry-desc {
  font-size: 0.875rem;
  color: var(--color-muted-text);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.industry-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-copper);
}

.industry-link:hover {
  color: var(--color-copper-hover);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   11. CUSTOM MANUFACTURING & WORKFLOW PROCESS
   -------------------------------------------------------------------------- */
.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.process-step-card {
  background: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform var(--transition-fast);
}

.process-step-card:hover {
  transform: translateY(-4px);
}

.process-step-number {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-copper);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.process-step-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.process-step-desc {
  font-size: 0.875rem;
  color: var(--color-muted-text);
  line-height: 1.5;
}

/* Quality Assurance Pillars */
.quality-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.quality-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

.quality-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background-color: var(--color-copper-light);
  color: var(--color-copper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

/* --------------------------------------------------------------------------
   12. BLOG / TECHNICAL RESOURCES
   -------------------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.blog-card-media {
  aspect-ratio: 16 / 9;
  background-color: var(--color-steel-50);
  overflow: hidden;
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-muted-text);
  margin-bottom: 0.65rem;
}

.blog-category-badge {
  font-weight: 700;
  color: var(--color-copper);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-muted-text);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.article-container {
  max-width: 820px;
  margin: 0 auto;
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3.5rem);
  box-shadow: var(--shadow-card);
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-charcoal-700);
}

.article-content h2 {
  margin-top: 2.25rem;
  margin-bottom: 1rem;
}

.article-content h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.article-content ul,
.article-content ol {
  margin: 1.25rem 0;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  list-style: disc;
}

.article-callout {
  background: var(--color-copper-light);
  border-left: 4px solid var(--color-copper);
  padding: 1.25rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   13. FORMS & QUOTATION SYSTEM
   -------------------------------------------------------------------------- */
.form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark-text);
}

.form-label .required {
  color: var(--color-copper);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.925rem;
  color: var(--color-charcoal-900);
  background-color: var(--color-steel-50);
  border: 1.5px solid var(--color-steel-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background-color: var(--color-white);
  border-color: var(--color-copper);
  box-shadow: 0 0 0 3px var(--color-copper-glow);
  outline: none;
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-error);
  background-color: #fef2f2;
}

.form-error-msg {
  font-size: 0.775rem;
  color: var(--color-error);
  display: none;
}

.form-group.has-error .form-error-msg {
  display: block;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-muted-text);
}

.form-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: none;
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-alert.alert-success {
  display: block;
  background-color: #ecfdf5;
  color: var(--color-success);
  border: 1px solid #a7f3d0;
}

.form-alert.alert-error {
  display: block;
  background-color: #fef2f2;
  color: var(--color-error);
  border: 1px solid #fecaca;
}

.form-alert.alert-info {
  display: block;
  background-color: var(--color-eng-blue-light);
  color: var(--color-eng-blue);
  border: 1px solid #bfdbfe;
}

/* --------------------------------------------------------------------------
   14. FAQ ACCORDION
   -------------------------------------------------------------------------- */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-dark-text);
  background: var(--color-white);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.faq-header:hover {
  background-color: var(--color-steel-50);
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--color-copper);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 1.5rem;
  font-size: 0.925rem;
  color: var(--color-body-text);
  line-height: 1.65;
}

.faq-item.active .faq-body {
  max-height: 1200px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* --------------------------------------------------------------------------
   15. CONTACT & MAP WRAPPERS
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

.contact-info-card {
  background-color: var(--color-charcoal-900);
  color: var(--color-steel-100);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-card h3 {
  color: var(--color-white);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-charcoal-700);
  color: var(--color-copper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info-text strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-steel-400);
  margin-bottom: 0.2rem;
}

.contact-info-text p,
.contact-info-text a {
  color: var(--color-steel-100);
  font-size: 0.95rem;
  line-height: 1.5;
}

.contact-info-text a:hover {
  color: var(--color-copper);
}

.map-responsive {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-steel-200);
}

.map-responsive iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------------------------------
   16. CTA BANNER
   -------------------------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-charcoal-900) 0%, var(--color-charcoal-800) 100%);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 5vw, 4rem);
  border: 1px solid var(--color-charcoal-600);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 50%;
  background: radial-gradient(circle at 100% 50%, rgba(217, 107, 39, 0.2), transparent 70%);
  pointer-events: none;
}

.cta-banner-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-banner-text {
  max-width: 650px;
}

.cta-banner-text h2 {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.cta-banner-text p {
  color: var(--color-steel-200);
  margin-bottom: 0;
}

.cta-banner-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   17. CORPORATE FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-charcoal-900);
  color: var(--color-steel-300);
  font-size: 0.9rem;
  border-top: 1px solid var(--color-charcoal-700);
  padding-top: clamp(3rem, 5vw, 4.5rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-charcoal-700);
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-col p {
  color: var(--color-steel-300);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-brand img {
  height: 48px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  color: var(--color-steel-300);
  font-size: 0.875rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-copper);
  padding-left: 0.35rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
  font-size: 0.875rem;
  color: var(--color-steel-300);
}

.footer-contact-item a {
  color: var(--color-steel-200);
}

.footer-contact-item a:hover {
  color: var(--color-copper);
}

.footer-contact-icon {
  color: var(--color-copper);
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.825rem;
  color: var(--color-steel-400);
}

.footer-bottom a {
  color: var(--color-steel-300);
}

.footer-bottom a:hover {
  color: var(--color-copper);
}

/* Back to Top Floating Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-charcoal-700);
  color: var(--color-white);
  border: 1px solid var(--color-charcoal-600);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-copper);
  border-color: var(--color-copper);
}


/* --------------------------------------------------------------------------
   20. SUB-PAGE CONTENT COMPONENTS
   (Custom Solutions, Quality, Blog, Contact) - fluid, mobile-first
   -------------------------------------------------------------------------- */
.w-100 { width: 100%; }

.btn-white {
  background-color: var(--color-white);
  color: var(--color-charcoal-900);
  border: 1px solid var(--color-white);
}

.btn-white:hover {
  background-color: var(--color-copper-light);
  color: var(--color-charcoal-900);
}

.btn-text {
  color: var(--color-copper);
  font-weight: 600;
}

.btn-text:hover {
  color: var(--color-copper-hover);
  text-decoration: underline;
}

/* Section helpers */
.section--light {
  background-color: #f1f4f8;
}

.section--accent-bg {
  background: linear-gradient(135deg, var(--color-charcoal-900) 0%, var(--color-eng-blue) 100%);
  color: var(--color-steel-200);
}

.section__header {
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section__header--center {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section__title {
  margin-bottom: 0.85rem;
}

.section__subtitle {
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  color: var(--color-muted-text);
  line-height: 1.65;
}

.section__title--inverse { color: var(--color-white); }
.section__subtitle--inverse { color: var(--color-steel-200); }

.section p + p,
.section p + ul,
.section ul + p {
  margin-top: 1rem;
}

/* Grid system */
.grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  grid-template-columns: minmax(0, 1fr);
}

.grid > * { min-width: 0; }

.grid--align-center { align-items: center; }
.grid--align-start  { align-items: start; }

@media (min-width: 768px) {
  .grid--2col,
  .grid--4col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .grid--3col { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4col { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Cards */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 2.5vw, 1.85rem);
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.card--accent-border {
  border-top: 4px solid var(--color-copper);
}

.card__icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-copper-light);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card__number {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-copper);
  margin-bottom: 0.5rem;
}

.card__title {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  margin-bottom: 0.65rem;
}

.card__text {
  font-size: 0.925rem;
  margin-bottom: 0.85rem;
}

.card p { font-size: 0.95rem; }
.card p + p { margin-top: 0.85rem; }

.card__bullets {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.9rem;
  line-height: 1.55;
}

.card__bullets li {
  position: relative;
  padding-left: 1.15rem;
}

.card__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-copper);
}

.card .btn { margin-top: 1rem; }

/* Check-list, pills, media */
.feature-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin: 1.25rem 0;
}

.feature-checklist li {
  position: relative;
  padding-left: 1.75rem;
  line-height: 1.55;
}

.feature-checklist li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 800;
  color: var(--color-copper);
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.pill {
  display: inline-flex;
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: var(--color-eng-blue-light);
  color: var(--color-eng-blue);
}

.media-box { min-width: 0; }

.img-responsive {
  display: block;
  width: 100%;
  height: auto;
}

.rounded { border-radius: var(--radius-lg); }
.shadow  { box-shadow: var(--shadow-lg); }

.media-box__caption {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--color-muted-text);
  line-height: 1.55;
}

/* Process steps */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  background-color: var(--color-white);
  border: 1px solid var(--color-steel-100);
  border-left: 4px solid var(--color-copper);
  border-radius: var(--radius-lg);
  padding: clamp(1.15rem, 2.5vw, 1.75rem);
  box-shadow: var(--shadow-card);
}

.process-step__number {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-charcoal-900);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-weight: 700;
}

.process-step__content { min-width: 0; }

.process-step__title {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  margin-bottom: 0.4rem;
}

.process-step__desc {
  font-size: 0.925rem;
  line-height: 1.65;
}

/* Spec tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.spec-table th,
.spec-table td {
  padding: 0.7rem 0.85rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-steel-100);
}

.spec-table tbody th {
  width: 38%;
  color: var(--color-muted-text);
  font-weight: 600;
  background-color: var(--color-steel-50);
}

.spec-table thead th {
  background-color: var(--color-charcoal-900);
  color: var(--color-white);
  font-weight: 600;
  white-space: nowrap;
}

.spec-table td {
  color: var(--color-dark-text);
  font-weight: 500;
}

.spec-table:has(thead) { min-width: 560px; }

/* Contact */
.map-container iframe {
  display: block;
  width: 100%;
  height: 100%;
}

address { font-style: normal; }

/* --------------------------------------------------------------------------
   21. ANIMATED LOGO SPLASH (home page) + footer logo chip
   -------------------------------------------------------------------------- */
.footer-brand img {
  background: var(--color-white);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
}

.splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  animation: splashOut 0.7s ease 2.6s forwards;
}

.splash::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 143, 255, 0.10), transparent 55%);
  animation: splashGlow 2.6s ease-out both;
}

.splash-inner {
  position: relative;
  width: min(78vw, 460px);
  text-align: center;
}

.splash-logo {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0;
  transform: scale(0.88);
  clip-path: inset(0 100% 0 0);
  animation: splashLogo 1.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.splash-inner::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 22%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.85), transparent);
  transform: translateX(-120%);
  animation: splashShine 1s ease 1.5s forwards;
  pointer-events: none;
}

.splash-bar {
  margin: 2rem auto 0;
  width: 55%;
  height: 3px;
  border-radius: 3px;
  background: var(--color-steel-100);
  overflow: hidden;
}

.splash-bar span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--color-eng-blue), var(--color-copper));
  transform: scaleX(0);
  transform-origin: left;
  animation: splashBar 2.3s ease-in-out 0.2s forwards;
}

.splash.is-hidden { display: none; }

@keyframes splashLogo {
  to { opacity: 1; transform: scale(1); clip-path: inset(0 0 0 0); }
}
@keyframes splashShine {
  to { transform: translateX(520%); }
}
@keyframes splashBar {
  to { transform: scaleX(1); }
}
@keyframes splashGlow {
  from { opacity: 0; transform: scale(0.6); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes splashOut {
  to { opacity: 0; visibility: hidden; }
}

@media (prefers-reduced-motion: reduce) {
  .splash { animation: splashOut 0.3s ease 0.6s forwards !important; }
  .splash-logo { clip-path: none; transform: none; opacity: 1; animation: none !important; }
  .splash-inner::after, .splash-bar span, .splash::before { animation: none !important; }
  .splash-bar span { transform: scaleX(1); }
}

/* --------------------------------------------------------------------------
   22. ARTICLE & QUOTE PAGE LAYOUT HELPERS
   -------------------------------------------------------------------------- */
.subpage-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  margin-bottom: 0.85rem;
  font-size: 0.875rem;
  color: var(--color-steel-300);
}

.subpage-hero-meta .badge-tag { margin-bottom: 0; }

fieldset { min-width: 0; }

.grid.grid--quote { grid-template-columns: minmax(0, 1fr); }

@media (min-width: 1024px) {
  .grid.grid--quote { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
}

.article-content img,
.article-content table { max-width: 100%; }
.article-content { overflow-wrap: break-word; }


/* --------------------------------------------------------------------------
   PRODUCT IMAGE SLIDER (scroll-snap based: works with touch, keyboard, no-JS)
   -------------------------------------------------------------------------- */
.product-slider { position: relative; }
.product-slider .slider-track {
  display: flex;
  height: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.product-slider .slider-track::-webkit-scrollbar { display: none; }
.product-slider .slider-track:focus-visible { outline: 3px solid var(--color-copper); outline-offset: -3px; }
.product-slider .slide { flex: 0 0 100%; margin: 0; height: 100%; scroll-snap-align: center; }
.product-slider .slide img { width: 100%; height: 100%; object-fit: cover; display: block; }

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.65);
  color: #fff;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, opacity 0.2s ease;
}
.slider-btn:hover, .slider-btn:focus-visible { background: var(--color-copper); }
.slider-btn:disabled { opacity: 0.35; cursor: default; background: rgba(15, 23, 42, 0.65); }
.slider-prev { left: 0.75rem; }
.slider-next { right: 0.75rem; }

.slider-counter {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
}

.slider-thumbs { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.slider-thumb {
  width: 84px;
  aspect-ratio: 4 / 3;
  padding: 0;
  border: 2px solid var(--color-steel-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-white);
  cursor: pointer;
  opacity: 0.75;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}
.slider-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.slider-thumb:hover { opacity: 1; }
.slider-thumb.active { border-color: var(--color-copper); opacity: 1; }
.slider-thumb:focus-visible { outline: 3px solid var(--color-copper); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  .product-slider .slider-track { scroll-behavior: auto; }
}