/*
Theme Name: Industrial B2B
Theme URI: https://example.com
Author: Industrial B2B Team
Author URI: https://example.com
Description: Lightweight, minimal B2B independent site theme. Industrial cold-tone aesthetic. Deep-sea blue headers, tech-orange CTA, light-grey background. Clean product pages — no blog clutter.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: industrial-b2b
Tags: b2b, minimal, responsive, industrial
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --color-navy:        #0A192F;
  --color-navy-mid:    #112240;
  --color-navy-light:  #1d3a6e;
  --color-orange:      #FF6B00;
  --color-orange-dark: #cc5500;
  --color-bg:          #F5F5F7;
  --color-surface:     #FFFFFF;
  --color-border:      #D8D8DC;
  --color-text:        #1A1A2E;
  --color-muted:       #6B7280;
  --color-white:       #FFFFFF;

  --font-display: 'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;

  --shadow-card: 0 1px 3px rgba(10,25,47,.06), 0 4px 16px rgba(10,25,47,.08);
  --shadow-btn:  0 2px 8px rgba(255,107,0,.35);

  --container-max: 1160px;
  --gutter: clamp(1rem, 5vw, 2rem);

  --transition-fast: 180ms ease;
  --transition-mid:  280ms cubic-bezier(.4,0,.2,1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  background: var(--color-navy);
  border-bottom: 3px solid var(--color-orange);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0;
  height: 64px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: .625rem;
  flex-shrink: 0;
}
.site-logo__mark {
  width: 32px; height: 32px;
  background: var(--color-orange);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  flex-shrink: 0;
}
.site-logo__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-white);
  line-height: 1;
}
.site-logo__tagline {
  font-size: .625rem;
  color: rgba(255,255,255,.45);
  letter-spacing: .12em;
  text-transform: uppercase;
  display: block;
  margin-top: 2px;
}

/* Primary nav */
.primary-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.primary-nav a {
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.primary-nav a:hover,
.primary-nav a.current-menu-item {
  color: var(--color-white);
  background: rgba(255,255,255,.08);
}
.primary-nav a.current-menu-item {
  color: var(--color-orange);
}

/* Header CTA */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  background: var(--color-orange);
  color: var(--color-white) !important;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .5rem 1.125rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}
.header-cta:hover {
  background: var(--color-orange-dark);
  box-shadow: var(--shadow-btn);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .5rem;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  transition: transform var(--transition-mid), opacity var(--transition-fast);
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,.55);
  margin-top: 4rem;
}
.site-footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  padding-block: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-footer__brand p {
  font-size: .875rem;
  line-height: 1.7;
  max-width: 320px;
  margin-top: .75rem;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .5rem; }
.footer-col a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--color-orange); }

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
  font-size: .75rem;
  flex-wrap: wrap;
}
.footer-compliance {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-compliance span {
  display: flex;
  align-items: center;
  gap: .375rem;
}
.footer-compliance span::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--color-orange);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   PAGE HERO (archive / home)
   ============================================================ */
.page-hero {
  background: var(--color-navy);
  padding: 3.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 18px,
    rgba(255,107,0,.03) 18px,
    rgba(255,107,0,.03) 20px
  );
  pointer-events: none;
}
.page-hero__label {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: .75rem;
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.1;
  color: var(--color-white);
}
.page-hero__desc {
  margin-top: .875rem;
  font-size: 1rem;
  color: rgba(255,255,255,.55);
  max-width: 540px;
  line-height: 1.65;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .375rem;
  flex-wrap: wrap;
  padding-block: .875rem;
  font-size: .8125rem;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}
.breadcrumb a { color: var(--color-muted); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-orange); }
.breadcrumb__sep { color: var(--color-border); }
.breadcrumb__current { color: var(--color-text); font-weight: 500; }

/* ============================================================
   PRODUCT CARD (archive grid)
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: 1.25rem;
  padding-block: 2rem;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-mid), transform var(--transition-mid),
              border-color var(--transition-mid);
}
.product-card:hover {
  box-shadow: 0 4px 20px rgba(10,25,47,.14);
  transform: translateY(-2px);
  border-color: rgba(255,107,0,.35);
}
.product-card__img {
  aspect-ratio: 4/3;
  background: var(--color-navy);
  overflow: hidden;
  position: relative;
}
.product-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.product-card:hover .product-card__img img { transform: scale(1.04); }
.product-card__img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
}
.product-card__img--placeholder svg { opacity: .18; }

.product-card__body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.product-card__cas {
  font-family: var(--font-mono);
  font-size: .6875rem;
  color: var(--color-muted);
  letter-spacing: .06em;
  margin-bottom: .375rem;
}
.product-card__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-navy);
  margin-bottom: .25rem;
}
.product-card__latin {
  font-style: italic;
  font-size: .8125rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}
.product-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  margin-top: auto;
  padding-top: .75rem;
}
.product-card__tag {
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  border-radius: 999px;
  background: rgba(10,25,47,.06);
  color: var(--color-navy-light);
  border: 1px solid rgba(10,25,47,.1);
}
.product-card__footer {
  padding: .875rem 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-card__link {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: .03em;
  display: flex;
  align-items: center;
  gap: .25rem;
  transition: color var(--transition-fast), gap var(--transition-fast);
}
.product-card:hover .product-card__link { color: var(--color-orange); gap: .5rem; }
.product-card__link svg { flex-shrink: 0; }

/* ============================================================
   SINGLE PRODUCT PAGE
   ============================================================ */
.product-single {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: 2rem 3.5rem;
}

/* Product title strip */
.product-single__header {
  background: var(--color-navy);
  padding: 2.5rem 0 2rem;
  margin-bottom: 2.5rem;
}
.product-single__cas-badge {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  background: rgba(255,107,0,.15);
  color: var(--color-orange);
  border: 1px solid rgba(255,107,0,.3);
  padding: .25rem .75rem;
  border-radius: 999px;
  margin-bottom: .875rem;
}
.product-single__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.875rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: .5rem;
}
.product-single__latin {
  font-style: italic;
  font-size: 1.0625rem;
  color: rgba(255,255,255,.5);
}

/* Two-column layout: content + sidebar */
.product-single__layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}

/* Main content zone — FULL WIDTH, clean, no pollution */
.product-single__content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

/* CRITICAL: Do NOT add any global table rules here.
   Tables inside .entry-content are user-created spec sheets.
   We intentionally leave them unstyled at global level.
   See: .spec-table scope below (opt-in only). */

.product-single__content h2 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-navy);
  padding-bottom: .625rem;
  border-bottom: 2px solid var(--color-orange);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.product-single__content h2::before {
  content: '';
  width: 3px; height: 1em;
  background: var(--color-orange);
  border-radius: 2px;
  flex-shrink: 0;
}

/* Sidebar */
.product-single__sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Product meta card */
.meta-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.meta-card__header {
  background: var(--color-navy);
  padding: .875rem 1.25rem;
  font-family: var(--font-display);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.meta-card__body { padding: 1.25rem; }
.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: .625rem;
  border-bottom: 1px solid var(--color-border);
  gap: .5rem;
}
.meta-row:last-child { border-bottom: none; padding-bottom: 0; }
.meta-row__label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-muted);
  flex-shrink: 0;
}
.meta-row__value {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: right;
  font-family: var(--font-mono);
}

/* ============================================================
   INQUIRY FORM (B2B Contact)
   ============================================================ */
.inquiry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.inquiry-card__header {
  background: var(--color-orange);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .625rem;
}
.inquiry-card__header h3 {
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-white);
}
.inquiry-card__body { padding: 1.25rem; }

.form-field {
  margin-bottom: 1rem;
}
.form-field label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: .375rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: .875rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .625rem .875rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(255,107,0,.12);
}
.form-field textarea { resize: vertical; min-height: 90px; }

.btn-inquiry {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  background: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .875rem;
  border: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast),
              transform var(--transition-fast);
}
.btn-inquiry:hover {
  background: var(--color-orange-dark);
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}
.btn-inquiry:active { transform: translateY(0); }

.form-disclaimer {
  font-size: .7rem;
  color: var(--color-muted);
  text-align: center;
  margin-top: .75rem;
  line-height: 1.5;
}

/* ============================================================
   SPEC TABLE (OPT-IN ONLY — apply class manually in editor)
   Use class="spec-table" on your <table> element if you want
   these styles. Bare <table> tags are intentionally untouched.
   ============================================================ */
table.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
  font-family: var(--font-mono);
  line-height: 1.5;
}
table.spec-table caption {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-align: left;
  padding-bottom: .625rem;
}
table.spec-table th {
  background: var(--color-navy);
  color: rgba(255,255,255,.85);
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: .75rem;
  padding: .625rem 1rem;
  text-align: left;
  white-space: nowrap;
}
table.spec-table td {
  padding: .5625rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}
table.spec-table tr:last-child td { border-bottom: none; }
table.spec-table tr:nth-child(even) td { background: rgba(10,25,47,.025); }
table.spec-table tr:hover td { background: rgba(255,107,0,.04); }

/* ============================================================
   ARCHIVE FILTERS
   ============================================================ */
.archive-filters {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: .5rem;
}
.filter-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  white-space: nowrap;
}
.filter-btn {
  font-size: .8125rem;
  font-weight: 500;
  padding: .375rem .875rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), background var(--transition-fast),
              color var(--transition-fast);
}
.filter-btn:hover, .filter-btn.is-active {
  border-color: var(--color-orange);
  background: var(--color-orange);
  color: var(--color-white);
}

/* Search */
.archive-search {
  margin-left: auto;
  position: relative;
}
.archive-search input {
  font-family: var(--font-body);
  font-size: .875rem;
  padding: .4375rem .875rem .4375rem 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  outline: none;
  width: 200px;
  transition: border-color var(--transition-fast), width var(--transition-mid);
}
.archive-search input:focus { border-color: var(--color-orange); width: 260px; }
.archive-search__icon {
  position: absolute;
  left: .75rem;
  top: 50%; transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}

/* Pagination */
.archive-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  padding-block: 2.5rem 1rem;
}
.archive-pagination a,
.archive-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: all var(--transition-fast);
}
.archive-pagination a:hover { border-color: var(--color-orange); color: var(--color-orange); }
.archive-pagination .current {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}

/* ============================================================
   ENTRY CONTENT — intentionally minimal
   Only set what's needed so HTML within the editor looks
   readable. DO NOT add table rules here — they will pollute
   user-created spec sheets.
   ============================================================ */
.entry-content {
  line-height: 1.75;
}
.entry-content p { margin-bottom: 1rem; }
.entry-content p:last-child { margin-bottom: 0; }
.entry-content h2, .entry-content h3, .entry-content h4 {
  font-family: var(--font-display);
  color: var(--color-navy);
  margin-top: 1.75rem;
  margin-bottom: .75rem;
  line-height: 1.25;
}
.entry-content h2 { font-size: 1.375rem; font-weight: 700; }
.entry-content h3 { font-size: 1.125rem; font-weight: 600; }
.entry-content h4 { font-size: 1rem;     font-weight: 600; }
.entry-content ul, .entry-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.entry-content li { margin-bottom: .375rem; list-style: disc; }
.entry-content strong { font-weight: 700; }
.entry-content em { font-style: italic; }
.entry-content a { color: var(--color-orange); text-decoration: underline; }
.entry-content a:hover { text-decoration: none; }

/* ============================================================
   UTILITY: SECTION LABEL
   ============================================================ */
.section-label {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: .5rem;
}

/* ============================================================
   NO-POSTS EMPTY STATE
   ============================================================ */
.no-products {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-muted);
}
.no-products__icon { margin-inline: auto; margin-bottom: 1.25rem; opacity: .25; }
.no-products h3 { font-size: 1.125rem; color: var(--color-text); margin-bottom: .5rem; }

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 900px) {
  .product-single__layout {
    grid-template-columns: 1fr;
  }
  .product-single__sidebar {
    position: static;
  }
  .site-footer__main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .primary-nav { display: none; }
  .header-cta  { display: none; }
  .nav-toggle  { display: flex; }

  .primary-nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--color-navy-mid);
    padding: 1rem;
    gap: .25rem;
    border-bottom: 2px solid var(--color-orange);
  }
  .primary-nav.is-open a {
    padding: .75rem 1rem;
    border-radius: var(--radius-sm);
  }

  .site-header { position: relative; }
  .site-footer__main { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .archive-search { margin-left: 0; width: 100%; }
  .archive-search input { width: 100%; }
  .archive-search input:focus { width: 100%; }

  .page-hero { padding: 2rem 0 1.5rem; }

  .product-single__content { padding: 1.25rem; }
  .product-single__header { padding: 1.75rem 0 1.5rem; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .archive-filters { gap: .5rem; }
}

/* ============================================================
   HOMEPAGE — HERO
   ============================================================ */
.hero {
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 50%, rgba(255,107,0,.06) 0%, transparent 70%),
    repeating-linear-gradient(
      -45deg,
      transparent, transparent 18px,
      rgba(255,107,0,.025) 18px, rgba(255,107,0,.025) 20px
    );
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 3rem;
  padding-block: 5rem 4rem;
}
.hero__eyebrow {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 1rem;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.05;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}
.hero__title-accent {
  color: var(--color-orange);
  display: block;
}
.hero__desc {
  font-size: 1rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 2rem;
}
.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--color-orange);
  color: var(--color-white) !important;
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .875rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}
.btn-hero-primary:hover {
  background: var(--color-orange-dark);
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
}
.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: rgba(255,255,255,.75) !important;
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,.2);
  padding: .875rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.btn-hero-secondary:hover {
  color: var(--color-white) !important;
  border-color: rgba(255,255,255,.5);
}
.hero__badge-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  flex-shrink: 0;
}
.hero__badge {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: .875rem 1.125rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--color-white);
  text-align: center;
  line-height: 1.2;
}
.hero__badge span {
  display: block;
  font-size: .625rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--color-orange);
  text-transform: uppercase;
  margin-bottom: .25rem;
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--color-navy-mid);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  padding-block: 0;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  padding: .875rem 1.5rem;
  border-right: 1px solid rgba(255,255,255,.06);
}
.trust-item:last-child { border-right: none; }
.trust-item svg { color: var(--color-orange); flex-shrink: 0; }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.section-header--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  text-align: left;
  flex-wrap: wrap;
  gap: 1rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -.01em;
  line-height: 1.15;
}
.view-all-link {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-navy);
  white-space: nowrap;
  transition: color var(--transition-fast), gap var(--transition-fast);
}
.view-all-link:hover { color: var(--color-orange); gap: .625rem; }

/* ============================================================
   FEATURES GRID
   ============================================================ */
.features-section { padding-block: 4rem; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-mid), transform var(--transition-mid);
}
.feature-card:hover { box-shadow: 0 4px 20px rgba(10,25,47,.12); transform: translateY(-2px); }
.feature-card__icon {
  width: 44px; height: 44px;
  background: rgba(255,107,0,.1);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-orange);
}
.feature-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: .5rem;
}
.feature-card__desc {
  font-size: .875rem;
  color: var(--color-muted);
  line-height: 1.65;
}

/* ============================================================
   FEATURED PRODUCTS SECTION
   ============================================================ */
.featured-products { padding-block: 1rem 4rem; }

/* ============================================================
   CTA STRIP
   ============================================================ */
.cta-strip {
  background: var(--color-navy);
  margin-top: 4rem;
}
.cta-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-block: 3rem;
}
.cta-strip__title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: .375rem;
}
.cta-strip__desc { font-size: .9375rem; color: rgba(255,255,255,.55); }
.btn-cta-strip {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--color-orange);
  color: var(--color-white) !important;
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .875rem 2rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}
.btn-cta-strip:hover { background: var(--color-orange-dark); box-shadow: var(--shadow-btn); }

/* ============================================================
   GENERIC PAGE
   ============================================================ */
.generic-page {
  max-width: 800px;
  margin-inline: auto;
  padding-block: 0 3.5rem;
}
.generic-page__article {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}
.generic-page__content { font-size: .9375rem; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro { padding-block: 0 3.5rem; }
.about-intro__grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
}
.about-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}
.about-intro__text p { margin-bottom: 1rem; font-size: .9375rem; color: var(--color-muted); line-height: 1.75; }
.about-intro__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.stat-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-orange);
  line-height: 1;
  margin-bottom: .375rem;
}
.stat-card__label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-muted);
  line-height: 1.3;
}
.about-certs, .about-values { padding-block: 3rem; background: var(--color-bg); }
.about-certs { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.cert-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}
.cert-card__code {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: .375rem;
}
.cert-card__name { font-size: .8125rem; color: var(--color-muted); line-height: 1.4; }
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2.5rem;
  padding-block: 0 3.5rem;
  align-items: start;
}
.contact-info {
  position: sticky;
  top: 80px;
}
.contact-info__block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  margin-bottom: 1.25rem;
}
.contact-info__heading {
  font-family: var(--font-display);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--color-border);
}
.contact-info__row {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  padding-block: .75rem;
  border-bottom: 1px solid var(--color-border);
}
.contact-info__row:last-child { border-bottom: none; padding-bottom: 0; }
.contact-info__icon {
  width: 32px; height: 32px;
  background: rgba(255,107,0,.1);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-orange);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-info__label {
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: .25rem;
}
.contact-info__value { font-size: .9375rem; color: var(--color-text); font-weight: 500; }
.contact-info__value--link { color: var(--color-orange); transition: color var(--transition-fast); }
.contact-info__value--link:hover { color: var(--color-orange-dark); }
.contact-info__note {
  display: flex;
  gap: .625rem;
  background: rgba(10,25,47,.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: .8125rem;
  color: var(--color-muted);
  line-height: 1.6;
}
.contact-info__note svg { flex-shrink: 0; margin-top: 2px; color: var(--color-navy); }
.contact-info__extra { margin-top: 1.25rem; font-size: .875rem; }
.contact-form-wrap { /* full width on its side */ }
.form-row { display: grid; gap: 1rem; }
.form-row--2col { grid-template-columns: 1fr 1fr; }

/* ============================================================
   BLOG — SINGLE POST
   ============================================================ */
.single-post-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  padding-block: 0 3.5rem;
  align-items: start;
}
.single-post__article {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.single-post__thumbnail { width: 100%; }
.single-post__thumbnail img { width: 100%; max-height: 400px; object-fit: cover; }
.single-post__caption {
  font-size: .75rem;
  color: var(--color-muted);
  text-align: center;
  padding: .5rem 1rem;
  background: rgba(10,25,47,.03);
  border-top: 1px solid var(--color-border);
  font-style: italic;
}
.single-post__content { padding: 2rem; font-size: .9375rem; }
.single-post__tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--color-border);
}
.single-post__tags-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.post-tag {
  font-size: .75rem;
  font-weight: 600;
  padding: .2rem .7rem;
  border-radius: 999px;
  background: rgba(10,25,47,.06);
  color: var(--color-navy);
  border: 1px solid rgba(10,25,47,.1);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.post-tag:hover { background: var(--color-orange); color: var(--color-white); border-color: var(--color-orange); }

/* Sidebar widgets */
.single-post__sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.sidebar-cta-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.sidebar-cta-card__header {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--color-navy);
  padding: .875rem 1.25rem;
  font-family: var(--font-display);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
}
.sidebar-cta-card__header svg { color: var(--color-orange); }
.sidebar-cta-card__body { padding: 1.25rem; }
.sidebar-cta-card__body p { font-size: .875rem; color: var(--color-muted); margin-bottom: 1rem; line-height: 1.55; }
.btn-sidebar-cta {
  display: block;
  text-align: center;
  background: var(--color-orange);
  color: var(--color-white) !important;
  font-family: var(--font-display);
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .625rem 1rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.btn-sidebar-cta:hover { background: var(--color-orange-dark); }

.sidebar-recent {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}
.sidebar-recent__title {
  font-family: var(--font-display);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: .875rem;
  padding-bottom: .625rem;
  border-bottom: 1px solid var(--color-border);
}
.sidebar-recent__list { display: flex; flex-direction: column; gap: 0; }
.sidebar-recent__item {
  padding-block: .75rem;
  border-bottom: 1px solid var(--color-border);
}
.sidebar-recent__item:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-recent__link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text);
  display: block;
  margin-bottom: .25rem;
  transition: color var(--transition-fast);
  line-height: 1.4;
}
.sidebar-recent__link:hover { color: var(--color-orange); }
.sidebar-recent__date { font-size: .6875rem; color: var(--color-muted); }

/* ============================================================
   BLOG — ARCHIVE LIST
   ============================================================ */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  padding-block: 0 3.5rem;
  align-items: start;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 1.5rem;
}
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-mid), transform var(--transition-mid);
}
.blog-card:hover { box-shadow: 0 4px 20px rgba(10,25,47,.14); transform: translateY(-2px); }
.blog-card__img {
  display: block;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-navy);
}
.blog-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.blog-card:hover .blog-card__img img { transform: scale(1.04); }
.blog-card__img--placeholder {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
}
.blog-card__body { padding: 1.25rem; flex: 1; }
.blog-card__cat {
  display: inline-block;
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: .5rem;
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-navy);
  margin-bottom: .625rem;
}
.blog-card__title a { transition: color var(--transition-fast); }
.blog-card__title a:hover { color: var(--color-orange); }
.blog-card__excerpt { font-size: .875rem; color: var(--color-muted); line-height: 1.6; }
.blog-card__footer {
  padding: .875rem 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.blog-card__date { font-size: .75rem; color: var(--color-muted); }
.blog-card__link {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: .25rem;
  transition: color var(--transition-fast), gap var(--transition-fast);
}
.blog-card__link:hover { color: var(--color-orange); gap: .5rem; }

/* Blog sidebar */
.blog-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.sidebar-cats {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}
.sidebar-cats__title {
  font-family: var(--font-display);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: .875rem;
  padding-bottom: .625rem;
  border-bottom: 1px solid var(--color-border);
}
.sidebar-cats__list { display: flex; flex-direction: column; gap: 0; }
.sidebar-cats__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: .625rem;
  border-bottom: 1px solid var(--color-border);
  font-size: .875rem;
  color: var(--color-muted);
  transition: color var(--transition-fast);
}
.sidebar-cats__list li:last-child .sidebar-cats__link { border-bottom: none; }
.sidebar-cats__link:hover, .sidebar-cats__link.is-active { color: var(--color-orange); }
.sidebar-cats__count {
  font-size: .75rem;
  font-weight: 600;
  background: rgba(10,25,47,.06);
  color: var(--color-muted);
  padding: .1rem .45rem;
  border-radius: 999px;
}

/* ============================================================
   404 PAGE
   ============================================================ */
.error-404 {
  text-align: center;
  padding: 5rem 2rem;
  max-width: 540px;
  margin-inline: auto;
}
.error-404__icon { color: var(--color-border); margin-inline: auto; margin-bottom: 1.75rem; }
.error-404 h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: .75rem;
}
.error-404 p { font-size: .9375rem; color: var(--color-muted); margin-bottom: 2rem; }
.error-404__actions { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 1rem; }

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .site-header, .site-footer, .product-single__sidebar { display: none !important; }
  .product-single__layout { grid-template-columns: 1fr; }
  .product-single__content { border: none; box-shadow: none; padding: 0; }
}