/* ==========================================================================
   SRE DEVICES — Modern Industrial B2B Manufacturing Design System
   Company: SRE Devices (A Sri Ram Enterprises Company)
   Location: Manesar, Haryana, India
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  /* Brand Color Palette */
  --color-primary-dark: #0A192F;      /* Deepest industrial navy */
  --color-navy: #0F2038;              /* Dark navy for sections */
  --color-navy-card: #152945;         /* Card background in navy sections */
  --color-navy-border: #1E3A5F;       /* Border in dark sections */
  --color-navy-light: #244772;        /* Highlight in dark sections */

  --color-orange: #FA5A00;            /* Signature safety/industrial orange */
  --color-orange-hover: #E04E00;      /* Darker orange for hover */
  --color-orange-light: #FFF4EC;      /* Soft orange tint */
  --color-orange-subtle: rgba(250, 90, 0, 0.12);

  --color-steel: #475569;             /* Slate/Steel gray */
  --color-steel-light: #94A3B8;       /* Subtle text on navy */
  --color-slate-100: #F1F5F9;         /* Light background tint */
  --color-slate-200: #E2E8F0;         /* Border color */
  --color-slate-300: #CBD5E1;
  --color-slate-700: #334155;
  --color-slate-800: #1E293B;
  --color-slate-900: #0F172A;         /* Primary text */

  --color-white: #FFFFFF;
  --color-bg-light: #F8FAFC;
  --color-surface-hover: #F1F5F9;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout & Spacing */
  --max-width: 1240px;
  --max-width-wide: 1360px;
  --header-height: 76px;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.12), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 35px -8px rgba(15, 23, 42, 0.18), 0 10px 15px -3px rgba(15, 23, 42, 0.08);
  --shadow-orange: 0 8px 20px -4px rgba(250, 90, 0, 0.35);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-slate-900);
  background-color: var(--color-white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

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

ul, ol {
  list-style: none;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-wide {
  width: 100%;
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-slate-900);
  line-height: 1.2;
}

.highlight-orange {
  color: var(--color-orange);
}

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

.text-white {
  color: var(--color-white) !important;
}

.section-kicker {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-orange);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-navy);
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-steel);
  max-width: 680px;
  margin-bottom: 36px;
  line-height: 1.6;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--color-white);
  border: 1px solid var(--color-orange);
  box-shadow: 0 4px 12px rgba(250, 90, 0, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-orange-hover);
  border-color: var(--color-orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(250, 90, 0, 0.35);
}

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

.btn-secondary:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-white-outline {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.6);
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 0.9375rem;
}

.arrow-icon {
  transition: transform var(--transition-fast);
}

.btn:hover .arrow-icon {
  transform: translateX(3px);
}

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Brand Logo */
.brand-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.brand-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-sre {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.625rem;
  letter-spacing: -0.03em;
  color: var(--color-orange);
  line-height: 1;
}

.brand-devices {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.375rem;
  letter-spacing: 0.02em;
  color: var(--color-navy);
  line-height: 1;
}

.brand-tagline {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-steel);
  margin-top: 3px;
}

/* Nav Menu */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-slate-800);
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-orange);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-navy);
  padding: 8px;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #F8FAFC 0%, #EDF2F7 100%);
  padding-top: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-slate-200);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-kicker {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-navy);
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-kicker::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-orange);
}

.hero-headline {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-navy);
  margin-bottom: 18px;
}

.hero-supporting-line {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-slate-800);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.hero-body {
  font-size: 1rem;
  color: var(--color-steel);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.hero-visual-wrapper {
  position: relative;
}

.hero-image-container {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(15, 32, 56, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.8);
  background-color: var(--color-white);
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-image-container:hover .hero-image {
  transform: scale(1.02);
}

/* Product Tag Overlay on Hero */
.hero-product-badge {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background-color: rgba(10, 25, 47, 0.92);
  backdrop-filter: blur(8px);
  color: var(--color-white);
  padding: 10px 16px;
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--color-orange);
  box-shadow: var(--shadow-md);
  font-size: 0.8125rem;
  line-height: 1.35;
}

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

.hero-product-badge .badge-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-orange);
  font-weight: 600;
}

/* ==========================================================================
   HERO TRUST STRIP
   ========================================================================== */
.trust-strip-section {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
  padding: 24px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 8px 12px;
  border-right: 1px solid var(--color-slate-200);
}

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

.trust-icon-box {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-orange-light);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust-card-content {
  flex: 1;
}

.trust-card-title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-navy);
  line-height: 1.25;
  margin-bottom: 4px;
}

.trust-card-desc {
  font-size: 0.8125rem;
  color: var(--color-steel);
  line-height: 1.4;
}

/* ==========================================================================
   PRODUCT CATEGORIES SECTION
   ========================================================================== */
.categories-section {
  padding: 64px 0;
  background-color: var(--color-white);
}

.section-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
}

.view-all-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-orange);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.view-all-link:hover {
  border-bottom-color: var(--color-orange);
  gap: 10px;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.category-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--border-radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
  text-decoration: none;
}

.category-card:hover {
  border-color: var(--color-orange);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background-color: var(--color-white);
}

.category-thumb-wrapper {
  background-color: var(--color-white);
  border-radius: var(--border-radius-sm);
  padding: 12px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  overflow: hidden;
  border: 1px solid var(--color-slate-200);
}

.category-thumb {
  max-height: 100%;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.category-card:hover .category-thumb {
  transform: scale(1.05);
}

.category-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.category-icon {
  width: 24px;
  height: 24px;
  color: var(--color-navy);
  flex-shrink: 0;
}

.category-card:hover .category-icon {
  color: var(--color-orange);
}

.category-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-navy);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.category-desc {
  font-size: 0.8125rem;
  color: var(--color-steel);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}

.category-action {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.circle-arrow-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--color-orange);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.category-card:hover .circle-arrow-btn {
  background-color: var(--color-orange);
  color: var(--color-white);
}

/* ==========================================================================
   MANUFACTURING ADVANTAGE SECTION (Dark Navy)
   ========================================================================== */
.manufacturing-section {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 72px 0;
  position: relative;
  border-top: 1px solid var(--color-navy-border);
  border-bottom: 1px solid var(--color-navy-border);
}

.manufacturing-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: center;
}

.manufacturing-text-block .section-title {
  color: var(--color-white);
  font-size: 2.25rem;
  line-height: 1.15;
  margin-bottom: 18px;
}

.manufacturing-text-block .manufacturing-desc {
  color: var(--color-steel-light);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.capability-card {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  height: 160px;
  border: 1px solid var(--color-navy-border);
  transition: all var(--transition-normal);
  background-color: var(--color-navy-card);
}

.capability-card:hover {
  border-color: var(--color-orange);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.capability-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: transform var(--transition-slow), opacity var(--transition-fast);
}

.capability-card:hover .capability-bg-img {
  transform: scale(1.06);
  opacity: 0.7;
}

.capability-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.4) 0%, rgba(10, 25, 47, 0.95) 100%);
  padding: 16px;
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.capability-icon-badge {
  width: 34px;
  height: 34px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-orange);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.capability-title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-white);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.capability-desc {
  font-size: 0.75rem;
  color: var(--color-steel-light);
  margin-top: 2px;
}

/* ==========================================================================
   FEATURED PRODUCTS (Popular Solutions)
   ========================================================================== */
.featured-products-section {
  padding: 64px 0;
  background-color: var(--color-bg-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.product-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.product-card:hover {
  border-color: var(--color-orange);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-thumb-box {
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius-sm);
  padding: 12px;
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  overflow: hidden;
  border: 1px solid var(--color-slate-200);
}

.product-thumb {
  max-height: 100%;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-thumb {
  transform: scale(1.06);
}

.product-code-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-steel);
  background-color: var(--color-slate-100);
  padding: 2px 6px;
  border-radius: 3px;
  margin-bottom: 6px;
  align-self: flex-start;
}

.product-title-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.product-title-link:hover,
.product-title-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.3;
  margin-bottom: 8px;
  min-height: 38px;
}

.product-specs-list {
  font-size: 0.75rem;
  color: var(--color-steel);
  line-height: 1.4;
  margin-bottom: 14px;
  flex: 1;
}

.product-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-slate-100);
  padding-top: 10px;
  margin-top: auto;
}

.product-action-link {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-navy);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

.product-card:hover .product-action-link {
  color: var(--color-orange);
}

/* ==========================================================================
   INDUSTRIES / APPLICATIONS (Split Section)
   ========================================================================== */
.industries-section {
  padding: 64px 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-slate-200);
  border-bottom: 1px solid var(--color-slate-200);
}

.industries-split-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 48px;
  align-items: center;
}

.industries-media-box {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-slate-200);
}

.industries-media-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.industries-content-box .section-title {
  margin-bottom: 12px;
}

.industries-desc {
  font-size: 0.9375rem;
  color: var(--color-steel);
  line-height: 1.6;
  margin-bottom: 28px;
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.app-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--border-radius-md);
  padding: 16px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-normal);
}

.app-card:hover {
  border-color: var(--color-orange);
  background-color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.app-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-orange-subtle);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  transition: all var(--transition-fast);
}

.app-card:hover .app-icon-wrap {
  background-color: var(--color-orange);
  color: var(--color-white);
}

.app-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-navy);
  line-height: 1.2;
}

/* ==========================================================================
   MATERIALS & FINISHING (Dark Navy)
   ========================================================================== */
.materials-section {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 68px 0;
  border-bottom: 1px solid var(--color-navy-border);
}

.materials-header-flex {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 36px;
}

.materials-header-flex .section-title {
  color: var(--color-white);
  margin-bottom: 8px;
}

.materials-header-flex .section-subtitle {
  color: var(--color-steel-light);
  margin-bottom: 0;
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.material-card {
  background-color: var(--color-navy-card);
  border: 1px solid var(--color-navy-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.material-card:hover {
  border-color: var(--color-orange);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
}

.material-thumb-box {
  height: 130px;
  overflow: hidden;
  background-color: #0d1e33;
}

.material-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.material-card:hover .material-thumb {
  transform: scale(1.08);
}

.material-content {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.material-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.material-name {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--color-white);
}

.material-finish-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  background-color: rgba(250, 90, 0, 0.15);
  color: var(--color-orange);
  border: 1px solid rgba(250, 90, 0, 0.3);
}

.material-finish-tag.no-powder {
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--color-steel-light);
  border-color: rgba(148, 163, 184, 0.3);
}

.material-desc {
  font-size: 0.8125rem;
  color: var(--color-steel-light);
  line-height: 1.45;
  margin-bottom: 12px;
}

.material-bullet-list {
  font-size: 0.75rem;
  color: #CBD5E1;
  line-height: 1.4;
  margin-top: auto;
}

.material-bullet-item {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.material-bullet-item::before {
  content: '✓';
  color: var(--color-orange);
  font-weight: bold;
}

/* ==========================================================================
   DIRECT MANUFACTURER CTA SECTION
   ========================================================================== */
.direct-cta-section {
  background: linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 100%);
  padding: 60px 0;
  border-bottom: 1px solid var(--color-slate-200);
}

.direct-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.direct-cta-headline {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.direct-cta-subheading {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-orange);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.direct-cta-copy {
  font-size: 0.9375rem;
  color: var(--color-steel);
  max-width: 580px;
}

.direct-cta-buttons {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

/* ==========================================================================
   BOTTOM BENEFITS STRIP
   ========================================================================== */
.bottom-benefits-section {
  background-color: var(--color-white);
  padding: 32px 0;
  border-bottom: 1px solid var(--color-slate-200);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefit-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.benefit-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-orange-light);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.benefit-title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-navy);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.benefit-desc {
  font-size: 0.75rem;
  color: var(--color-steel);
  line-height: 1.35;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-steel-light);
  padding: 56px 0 28px 0;
  border-top: 1px solid var(--color-navy-border);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .brand-devices {
  color: var(--color-white);
}

.footer-brand .brand-tagline {
  color: var(--color-steel-light);
}

.footer-about-text {
  font-size: 0.8125rem;
  line-height: 1.6;
  margin-top: 14px;
  color: var(--color-steel-light);
}

.footer-location-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
  padding: 6px 12px;
  border-radius: 4px;
  margin-top: 16px;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
  position: relative;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-orange);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.8125rem;
  color: var(--color-steel-light);
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-orange);
  transform: translateX(3px);
}

.footer-quote-box {
  background-color: var(--color-navy-card);
  border: 1px solid var(--color-navy-border);
  border-radius: var(--border-radius-md);
  padding: 18px;
}

.footer-quote-title {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-quote-text {
  font-size: 0.75rem;
  color: var(--color-steel-light);
  line-height: 1.45;
  margin-bottom: 14px;
}

.footer-bottom-bar {
  border-top: 1px solid var(--color-navy-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #64748B;
}

.footer-material-compliance {
  font-size: 0.6875rem;
  color: #64748B;
  text-align: right;
  max-width: 500px;
  line-height: 1.35;
}

/* ==========================================================================
   MODALS & INTERACTIVE OVERLAYS
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 25, 47, 0.78);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  overflow-x: hidden;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-slate-200);
  transform: translateY(20px) scale(0.98);
  transition: all var(--transition-normal);
  position: relative;
  box-sizing: border-box;
}

.modal-card.modal-card-lg {
  max-width: 780px;
}

.modal-backdrop.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #F8FAFC;
  position: sticky;
  top: 0;
  z-index: 10;
  box-sizing: border-box;
}

.modal-title {
  font-size: 1.1875rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.25;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-steel);
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 4px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.modal-close-btn:hover {
  color: var(--color-orange);
  background-color: var(--color-slate-200);
}

.modal-body {
  padding: 22px 24px;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* Quote Form Styles */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
  width: 100%;
  box-sizing: border-box;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  box-sizing: border-box;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.78125rem;
  font-weight: 700;
  color: var(--color-slate-800);
  letter-spacing: 0.01em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 9px 12px;
  border-radius: var(--border-radius-sm);
  border: 1.5px solid var(--color-slate-200);
  background-color: var(--color-white);
  color: var(--color-slate-900);
  font-size: 0.8125rem;
  line-height: 1.4;
  min-width: 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(250, 90, 0, 0.15);
}

.form-material-note {
  font-size: 0.75rem;
  color: var(--color-steel);
  background-color: var(--color-slate-100);
  padding: 10px 14px;
  border-radius: 4px;
  border-left: 3px solid var(--color-orange);
  margin-bottom: 18px;
  line-height: 1.45;
  box-sizing: border-box;
  word-break: break-word;
}

/* Quick View Layout in Modal */
.qv-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 24px;
  align-items: start;
  box-sizing: border-box;
  width: 100%;
}

.qv-mat-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-slate-200);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 0.75rem;
}

.qv-mat-card strong {
  color: var(--color-navy);
  display: block;
  margin-bottom: 2px;
}

.qv-mat-card p {
  color: var(--color-steel);
  margin: 0;
  line-height: 1.35;
}

.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 14px 22px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--color-orange);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast-notification.active {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE DESIGN (Breakpoints)
   ========================================================================== */
@media (max-width: 1100px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-headline {
    font-size: 2.5rem;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-card:nth-child(2) {
    border-right: none;
  }
  .trust-card {
    border-bottom: 1px solid var(--color-slate-200);
    padding-bottom: 16px;
  }
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .manufacturing-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .industries-split-grid {
    grid-template-columns: 1fr;
  }
  .industries-media-img {
    height: 260px;
  }
  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .direct-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }
  .main-nav {
    display: none;
  }
  .main-nav.mobile-open {
    display: flex;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: 24px;
    z-index: 999;
  }
  .main-nav.mobile-open .nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 16px;
  }
  .main-nav.mobile-open .nav-link {
    font-size: 1.125rem;
    padding: 8px 0;
    width: 100%;
    border-bottom: 1px solid var(--color-slate-100);
  }
  .mobile-menu-btn {
    display: block;
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .applications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-headline {
    font-size: 2.125rem;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
}

@media (max-width: 540px) {
  .hero-headline {
    font-size: 1.875rem;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .trust-card {
    border-right: none;
  }
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .materials-grid {
    grid-template-columns: 1fr;
  }
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .footer-material-compliance {
    text-align: center;
  }
}

/* ==========================================================================
   PRODUCT DETAIL PAGE (PDP) STYLES
   ========================================================================== */
.breadcrumb-nav {
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-slate-200);
  padding: 14px 0;
  font-size: 0.8125rem;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--color-steel);
}

.breadcrumb-list a {
  color: var(--color-steel);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
  color: var(--color-orange);
}

.bc-sep {
  color: var(--color-slate-300);
  font-size: 0.75rem;
}

.breadcrumb-list li[aria-current="page"] {
  color: var(--color-navy);
  font-weight: 700;
}

/* PDP Hero */
.pdp-hero-section {
  padding: 48px 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

.pdp-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}

/* PDP Gallery */
.pdp-gallery-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pdp-main-image-wrap {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.pdp-main-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.pdp-thumbs-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.pdp-thumb-btn {
  background-color: var(--color-bg-light);
  border: 1.5px solid var(--color-slate-200);
  border-radius: var(--border-radius-sm);
  padding: 4px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.pdp-thumb-btn:hover {
  border-color: var(--color-orange);
  transform: translateY(-2px);
}

.pdp-thumb-btn.active {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 2px var(--color-orange);
  background-color: var(--color-white);
}

.pdp-thumb-img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

/* PDP Details Column */
.pdp-info-box {
  display: flex;
  flex-direction: column;
}

.pdp-sku-tag {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-orange);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.pdp-product-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.pdp-variant-sub {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-slate-800);
  margin-bottom: 16px;
}

.pdp-description {
  font-size: 0.9375rem;
  color: var(--color-steel);
  line-height: 1.65;
  margin-bottom: 24px;
}

/* PDP 4 Benefit Pills */
.pdp-benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.pdp-benefit-pill {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--border-radius-md);
  padding: 12px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.pdp-benefit-pill:hover {
  border-color: var(--color-orange);
  background-color: var(--color-white);
}

.pdp-benefit-icon {
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdp-benefit-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.25;
}

/* PDP CTAs */
.pdp-actions-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.pdp-actions-row .btn {
  flex: 1;
  min-width: 200px;
}

/* PDP Manufacturer Advantage Strip */
.pdp-mfg-strip {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pdp-mfg-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.pdp-mfg-icon {
  color: var(--color-orange);
  flex-shrink: 0;
  margin-top: 2px;
}

.pdp-mfg-title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-navy);
  margin-bottom: 2px;
}

.pdp-mfg-desc {
  font-size: 0.6875rem;
  color: var(--color-steel);
  line-height: 1.35;
}

/* ==========================================================================
   PDP FEATURES & SPECIFICATIONS
   ========================================================================== */
.pdp-features-specs-section {
  padding: 64px 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

.pdp-features-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 48px;
  align-items: start;
}

/* Features Column */
.features-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-orange);
  background-color: var(--color-orange-light);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.feature-desc {
  font-size: 0.8125rem;
  color: var(--color-steel);
  line-height: 1.45;
}

/* Specifications Table */
.specs-table-wrap {
  margin-top: 24px;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background-color: var(--color-white);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  text-align: left;
}

.specs-table tr {
  border-bottom: 1px solid var(--color-slate-200);
}

.specs-table tr:last-child {
  border-bottom: none;
}

.specs-table tr:nth-child(even) {
  background-color: var(--color-bg-light);
}

.specs-table th {
  padding: 12px 18px;
  font-weight: 700;
  color: var(--color-navy);
  width: 38%;
  background-color: rgba(241, 245, 249, 0.6);
  border-right: 1px solid var(--color-slate-200);
  vertical-align: middle;
}

.specs-table td {
  padding: 12px 18px;
  color: var(--color-slate-800);
  vertical-align: middle;
  line-height: 1.45;
}

/* ==========================================================================
   PDP ENVIRONMENTS SECTION
   ========================================================================== */
.pdp-environments-section {
  padding: 64px 0;
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-slate-200);
}

.pdp-env-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pdp-env-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.pdp-env-card:hover {
  border-color: var(--color-orange);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pdp-env-img-box {
  height: 160px;
  overflow: hidden;
  background-color: #F1F5F9;
}

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

.pdp-env-card:hover .pdp-env-img {
  transform: scale(1.06);
}

.pdp-env-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pdp-env-title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 6px;
}

.pdp-env-desc {
  font-size: 0.8125rem;
  color: var(--color-steel);
  line-height: 1.45;
}

/* ==========================================================================
   PDP RELATED PRODUCTS
   ========================================================================== */
.pdp-related-section {
  padding: 64px 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

/* ==========================================================================
   PDP RESPONSIVENESS
   ========================================================================== */
@media (max-width: 992px) {
  .pdp-hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .pdp-features-specs-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .pdp-env-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pdp-mfg-strip {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .pdp-product-title {
    font-size: 1.875rem;
  }
  .pdp-benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pdp-main-image-wrap {
    height: 300px;
  }
  .pdp-thumb-btn {
    height: 56px;
  }
  .pdp-env-grid {
    grid-template-columns: 1fr;
  }
  .specs-table th {
    width: 45%;
    padding: 10px 12px;
  }
  .specs-table td {
    padding: 10px 12px;
  }
}


/* Targeted mobile clipping fixes: preserve the existing responsive design. */
@media (max-width: 540px) {
  .header-inner { gap: 8px; }
  .header-actions { gap: 8px; }
  .header-actions .btn-sm { padding: 8px 10px; font-size: 0.68rem; white-space: nowrap; }
  .mobile-menu-btn { padding: 4px; flex: 0 0 auto; }
  .direct-cta-buttons { width: 100%; flex-direction: column; align-items: stretch; }
  .direct-cta-buttons .btn { width: 100%; justify-content: center; }
}
@media (max-width: 540px) {
  .materials-header-flex { grid-template-columns: 1fr; align-items: start; }
  .materials-header-flex > div:last-child { justify-self: start; max-width: 100%; }
  .materials-header-flex .btn { max-width: 100%; }
}

/* Responsive product photography: retain full products within existing frames. */
.hero-image-container .hero-image {
  object-fit: contain;
}

.hero-image-container:hover .hero-image {
  transform: none;
}

.category-thumb-wrapper .category-thumb {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

.category-card:hover .category-thumb {
  transform: none;
}

.product-thumb-box .product-thumb {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

.product-card:hover .product-thumb {
  transform: none;
}

.pdp-main-image-wrap .pdp-main-image,
.pdp-thumb-btn .pdp-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* Category templates define these image rules inline; higher-specificity
   shared selectors override only framing while keeping their existing layout. */
.cu-hero-grid > img.cu-hero-image {
  object-fit: contain;
  object-position: center;
  background-color: var(--color-bg-light);
  padding: clamp(8px, 1.3vw, 16px);
}

.cu-range-grid .cu-product-card img.cu-product-photo {
  object-fit: contain;
  object-position: center;
  background-color: var(--color-white);
  padding: clamp(8px, 1.3vw, 16px);
}

/* Let narrow section headers wrap instead of pushing the viewport wider. */
.section-header-flex > div {
  min-width: 0;
}

@media (max-width: 640px) {
  .section-header-flex {
    flex-wrap: wrap;
    align-items: flex-start;
    row-gap: 12px;
  }

  .section-header-flex > div {
    flex: 1 1 100%;
  }

  .section-header-flex .section-title {
    overflow-wrap: anywhere;
  }

  .section-header-flex .view-all-link {
    max-width: 100%;
    white-space: normal;
  }
}

/* Give product cards a taller image window on one-column phone layouts. */
@media (max-width: 540px) {
  .product-thumb-box {
    height: 210px;
    padding: 8px;
  }
}

/* Fit the existing brand, quote action and menu within 320px phones. */
@media (max-width: 360px) {
  .header-inner {
    gap: 4px;
  }

  .brand-title-wrap {
    gap: 4px;
  }

  .brand-sre {
    font-size: 1.35rem;
  }

  .brand-devices {
    font-size: 1.1rem;
  }

  .brand-tagline {
    font-size: 0.5rem;
    letter-spacing: 0.04em;
  }

  .header-actions {
    gap: 6px;
  }

  .header-actions .btn-sm {
    padding: 6px 7px;
    font-size: 0.58rem;
  }
}

/* Keep the existing homepage headline inside the narrowest phone viewport. */
@media (max-width: 360px) {
  .hero-headline { font-size: 1.5rem; }
}