/* =============================================
   BLUE BUSHINGS — Light redesign
   Palette:
     --ink:       #0D0F12  (text / dark elements)
     --cobalt:    #1B5FFF  (primary accent)
     --cobalt-dim:#1248CC
     --steel:     #5A6478  (secondary text)
     --fog:       #F0F2F6  (light surface)
     --white:     #FFFFFF
     --border:    #DDE1EA  (light border)
     --border-mid:#C4CAD8
     --brass:     #C9920A  (tension accent)
   ============================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:        #0D0F12;
  --cobalt:     #1B5FFF;
  --cobalt-dim: #1248CC;
  --steel:      #5A6478;
  --fog:        #F0F2F6;
  --white:      #FFFFFF;
  --border:     #DDE1EA;
  --border-mid: #C4CAD8;
  --brass:      #C9920A;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-w: 1100px;
  --section-gap: 96px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.12em;
  color: var(--ink);
}

.logo-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--cobalt);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--steel);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--ink); }

.nav-cta {
  background: var(--cobalt) !important;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 4px;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.06em;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--cobalt-dim) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 22px;
  cursor: pointer;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 120px 64px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-content { flex: 1; min-width: 0; }

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 24px;
}

.hero-accent {
  color: var(--cobalt);
  display: block;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--steel);
  max-width: 480px;
  margin-bottom: 40px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary { background: var(--cobalt); color: #fff; }
.btn-primary:hover { background: var(--cobalt-dim); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border-mid);
}
.btn-ghost:hover { border-color: var(--cobalt); color: var(--cobalt); }

.btn-large { font-size: 15px; padding: 16px 40px; }

/* ---- SPEC CARD ---- */
.hero-spec-card {
  flex-shrink: 0;
  width: 300px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}

.hero-spec-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--cobalt);
}

.spec-card-label {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--brass);
  margin-bottom: 20px;
}

.spec-rows { display: flex; flex-direction: column; gap: 10px; }

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.spec-row:last-child { border-bottom: none; }

.spec-row span:first-child {
  color: var(--steel);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
}

.spec-row span:last-child {
  color: var(--ink);
  font-weight: 500;
  font-size: 13px;
  text-align: right;
}

.spec-compat { color: var(--cobalt) !important; font-size: 11px !important; letter-spacing: 0.08em; }

.spec-card-footer { display: flex; gap: 8px; margin-top: 20px; }

.spec-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 2px;
  background: rgba(27,95,255,0.08);
  color: var(--cobalt);
  border: 1px solid rgba(27,95,255,0.2);
}

/* ---- SECTION LABELS / TITLES ---- */
.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--steel);
  max-width: 560px;
  margin-bottom: 56px;
  line-height: 1.65;
}

/* ---- EXPLAINER ---- */
.explainer {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.explainer-inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 80px;
  align-items: start;
}

.explainer-text .section-title { margin-bottom: 24px; }

.explainer-text p {
  font-size: 16px;
  color: var(--steel);
  line-height: 1.75;
  margin-bottom: 16px;
}

.explainer-benefits .section-label { margin-bottom: 20px; }

.app-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.app-list li {
  font-size: 14px;
  color: var(--steel);
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid var(--border);
  position: relative;
  font-weight: 500;
}

.app-list li:first-child { border-top: 1px solid var(--border); }

.app-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cobalt);
  font-size: 12px;
}

@media (max-width: 768px) {
  .explainer-inner { grid-template-columns: 1fr; gap: 40px; }
}

/* ---- BENEFITS STRIP ---- */
.benefits-strip {
  background: var(--cobalt);
  padding: 20px 0;
  margin-top: 64px;
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  justify-content: center;
}

.benefits-list li {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.92);
  white-space: nowrap;
}

/* ---- COMPATIBILITY RAIL ---- */
.compat-rail {
  padding: var(--section-gap) 0;
  background: var(--fog);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.compat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.compat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.compat-card:hover {
  border-color: var(--cobalt);
  box-shadow: 0 4px 20px rgba(27,95,255,0.08);
}

.compat-card--featured { border-color: var(--cobalt); }

.compat-card--featured::after {
  content: 'MOST COMMON';
  position: absolute;
  top: -1px; right: 20px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: var(--cobalt);
  color: #fff;
  padding: 4px 10px;
}

.compat-brand {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--ink);
  margin-bottom: 8px;
}

.compat-check { font-size: 24px; color: var(--cobalt); margin-bottom: 24px; }

.compat-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }

.compat-list li {
  font-size: 14px;
  color: var(--steel);
  padding-left: 16px;
  position: relative;
}

.compat-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--border-mid);
}

.compat-link {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cobalt);
  text-transform: uppercase;
  transition: letter-spacing 0.2s;
}
.compat-link:hover { letter-spacing: 0.14em; }

.compat-note { font-size: 14px; color: var(--steel); }
.compat-note a { color: var(--cobalt); }

/* ---- WHY ---- */
.why { padding: var(--section-gap) 0; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

.why-item {
  background: var(--fog);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 32px;
  transition: border-color 0.2s;
}
.why-item:hover { border-color: var(--cobalt); }

.why-icon { font-size: 26px; color: var(--cobalt); margin-bottom: 16px; line-height: 1; }

.why-item h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 12px;
}

.why-item p { font-size: 15px; color: var(--steel); line-height: 1.65; }

/* ---- ABOUT ---- */
.about {
  padding: var(--section-gap) 0;
  background: var(--fog);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 80px;
  align-items: start;
}

.about-text .section-title { margin-bottom: 24px; }

.about-text p {
  font-size: 16px;
  color: var(--steel);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-stat-stack { display: flex; flex-direction: column; gap: 12px; }

.about-stat {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 800;
  color: var(--cobalt);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ---- CONTACT ---- */
.contact { padding: var(--section-gap) 0; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 48px;
  max-width: 720px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cobalt), #6B9FFF);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-row .form-group { margin-bottom: 0; }

.form-group label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

.form-group input,
.form-group textarea {
  background: var(--fog);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #A0A8B8; }

.form-group input:focus,
.form-group textarea:focus { border-color: var(--cobalt); background: var(--white); }

.checkbox-group {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 12px 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--steel);
  cursor: pointer;
  transition: color 0.2s;
}
.checkbox-label:hover { color: var(--ink); }

.checkbox-label input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--cobalt);
  padding: 0; border: none; background: transparent;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 48px;
  max-width: 720px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cobalt), #6B9FFF);
}

.form-success {
  display: none;
  background: rgba(27,95,255,0.07);
  border: 1px solid rgba(27,95,255,0.2);
  border-radius: 4px;
  color: var(--cobalt);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 20px;
  margin-bottom: 16px;
}

.form-success.visible { display: block; }

.contact-direct { margin-top: 24px; font-size: 14px; color: var(--steel); }
.contact-direct a { color: var(--cobalt); text-decoration: underline; text-underline-offset: 3px; }

/* ---- FOOTER ---- */
.footer {
  background: var(--ink);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
}

.footer-links { display: flex; gap: 28px; }

.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }

.footer-copy { font-size: 12px; color: rgba(255,255,255,0.25); }

/* ---- MOBILE ---- */
@media (max-width: 768px) {
  .hero { flex-direction: column; padding: 100px 24px 64px; gap: 40px; }
  .hero-spec-card { width: 100%; }
  .compat-grid { grid-template-columns: 1fr; gap: 12px; }
  .why-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-stat-stack { flex-direction: row; }
  .about-stat { flex: 1; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .footer-inner { flex-direction: column; text-align: center; gap: 16px; }
}

@media (max-width: 480px) {
  .about-stat-stack { flex-direction: column; }
}

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

/* ---- ENGINEERING SECTION ---- */
.engineering {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.eng-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.eng-card {
  background: var(--fog);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 28px 32px;
}

.eng-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--cobalt);
}

.eng-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.eng-card ul li {
  font-size: 14px;
  color: var(--steel);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.eng-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cobalt);
  font-size: 12px;
}

.eng-callout {
  background: var(--ink);
  border-radius: 8px;
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.eng-callout-text {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
  max-width: 580px;
}

.eng-callout-text strong {
  color: #fff;
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

@media (max-width: 768px) {
  .eng-grid { grid-template-columns: 1fr; }
  .eng-callout { flex-direction: column; text-align: center; }
}

@media (max-width: 900px) {
  .eng-grid { grid-template-columns: 1fr; }
}

/* =============================================
   MULTI-PAGE ADDITIONS
   ============================================= */

/* ---- NAV ACTIVE STATE ---- */
.nav-active {
  color: var(--ink) !important;
  font-weight: 600 !important;
}

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  padding: 120px 0 64px;
  border-bottom: 1px solid var(--border);
  background: var(--fog);
}

.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 20px;
}

.page-hero-sub {
  font-size: 17px;
  color: var(--steel);
  max-width: 560px;
  line-height: 1.65;
}

/* ---- PAGE CTA STRIP ---- */
.page-cta {
  background: var(--fog);
  border-top: 1px solid var(--border);
  padding: 56px 0;
}

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

/* ---- PRODUCTS PAGE ---- */
.products-section { padding: 56px 0 var(--section-gap); }

.tab-bar {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0;
}

.tab-btn {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 20px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--steel);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.tab-btn:hover { color: var(--ink); }

.tab-btn.active {
  color: var(--cobalt);
  border-bottom-color: var(--cobalt);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.industry-header {
  margin-bottom: 40px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 28px 24px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  border-color: var(--cobalt);
  box-shadow: 0 4px 20px rgba(27,95,255,0.08);
}

.product-pn {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--brass);
  margin-bottom: 10px;
  word-break: break-all;
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 12px;
}

.product-card p {
  font-size: 14px;
  color: var(--steel);
  line-height: 1.65;
  margin-bottom: 20px;
  flex: 1;
}

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.product-specs span {
  font-size: 12px;
  color: var(--steel);
  font-weight: 500;
}

.product-cta {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cobalt);
  transition: letter-spacing 0.2s;
}

.product-cta:hover { letter-spacing: 0.14em; }

/* ---- COMPATIBILITY PAGE ---- */
.compat-page { padding: 56px 0 var(--section-gap); }

.compat-search-bar {
  margin-bottom: 24px;
}

.compat-search-bar input {
  width: 100%;
  max-width: 480px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.compat-search-bar input:focus { border-color: var(--cobalt); }
.compat-search-bar input::placeholder { color: #A0A8B8; }

.compat-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.compat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.compat-table thead {
  background: var(--fog);
  border-bottom: 2px solid var(--border);
}

.compat-table th {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
  padding: 14px 16px;
  text-align: left;
  white-space: nowrap;
}

.compat-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
  vertical-align: middle;
}

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

.compat-table tbody tr:hover { background: rgba(27,95,255,0.03); }

.compat-table td.pn {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--brass);
  white-space: nowrap;
}

.compat-table td.no-lube {
  color: var(--cobalt);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.industry-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  white-space: nowrap;
}

.tag-legacy  { background: rgba(27,95,255,0.1);  color: var(--cobalt); }
.tag-feedmill { background: rgba(34,139,34,0.1);  color: #1a7a1a; }
.tag-agg     { background: rgba(180,90,0,0.1);   color: #a05a00; }
.tag-mun     { background: rgba(0,130,160,0.1);  color: #007a96; }
.tag-rail    { background: rgba(120,0,180,0.1);  color: #7a00b4; }
.tag-forestry { background: rgba(100,60,0,0.1);  color: #6b3d00; }

.table-cta {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cobalt);
  white-space: nowrap;
}

.table-cta:hover { text-decoration: underline; }

/* ---- ABOUT PAGE ---- */
.about-page { padding: 64px 0 var(--section-gap); }

.about-page-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}

.about-page-text h2 { margin-bottom: 20px; }

.about-page-text p {
  font-size: 16px;
  color: var(--steel);
  line-height: 1.75;
  margin-bottom: 18px;
}

.about-values {
  background: var(--fog);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-top: 16px;
}

.about-values h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--cobalt);
}

.about-values ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.about-values ul li {
  font-size: 14px;
  color: var(--steel);
  padding-left: 16px;
  position: relative;
}

.about-values ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cobalt);
  font-size: 12px;
}

/* ---- CONTACT PAGE ---- */
.contact-page { padding: 56px 0 var(--section-gap); }

.contact-page-inner {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--fog);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 16px;
}

.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--cobalt);
}

.contact-info-card ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }

.contact-info-card ul li {
  font-size: 13px;
  color: var(--steel);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

.contact-info-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--cobalt);
  font-size: 11px;
  font-weight: 700;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; }
  .about-page-grid { grid-template-columns: 1fr; }
  .contact-page-inner { grid-template-columns: 1fr; }
  .about-stat-stack { flex-direction: row; flex-wrap: wrap; }
  .about-stat { flex: 1; min-width: 120px; }
}

@media (max-width: 768px) {
  .page-cta-inner { flex-direction: column; }
  .tab-btn { font-size: 12px; padding: 10px 12px; }
}

/* ---- DIMENSION ROW IN PRODUCT CARDS ---- */
.spec-dim-row {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 8px 0;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.dim-label {
  font-size: 10px !important;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.dim-val {
  font-family: var(--font-display);
  font-size: 16px !important;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-right: 8px;
}

/* Food processing tag */
.tag-foodproc { background: rgba(0,160,100,0.1); color: #007a4a; }

/* Compat grid 6-up on homepage */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 900px) {
  .compat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .compat-grid { grid-template-columns: 1fr; }
}

/* ---- PRODUCTS INTRO ---- */
.products-intro {
  padding: 64px 0;
  background: var(--fog);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.products-intro-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: center;
}

.products-intro-text h2 { margin-bottom: 20px; }

.products-intro-text p {
  font-size: 15px;
  color: var(--steel);
  line-height: 1.75;
  margin-bottom: 16px;
}

.products-intro-text p strong { color: var(--ink); }

.products-intro-img img {
  width: 100%;
  border-radius: 8px;
  display: block;
  border: 1px solid var(--border);
  object-fit: cover;
  height: 300px;
}

.intro-img-caption {
  font-size: 12px;
  color: var(--steel);
  margin-top: 10px;
  text-align: center;
  font-style: italic;
}

/* ---- PRODUCT LIST CARDS (photo layout) ---- */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.product-list-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.product-list-card:hover {
  border-color: var(--cobalt);
  box-shadow: 0 4px 24px rgba(27,95,255,0.08);
}

.plc-img {
  overflow: hidden;
  flex-shrink: 0;
}

.plc-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  min-height: 220px;
  padding: 12px;
  background: var(--fog);
  transition: transform 0.3s ease;
}

.product-list-card:hover .plc-img img {
  transform: scale(1.02);
}

.plc-body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plc-body h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0;
}

.plc-body p {
  font-size: 14px;
  color: var(--steel);
  line-height: 1.65;
  margin: 0;
  flex: 1;
}

.plc-dims {
  display: flex;
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.plc-dim {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.plc-dim span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.plc-dim strong {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.plc-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.plc-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  background: rgba(27,95,255,0.07);
  color: var(--cobalt);
  border: 1px solid rgba(27,95,255,0.15);
}

.plc-body .btn {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 13px;
  padding: 10px 22px;
}

/* responsive */
@media (max-width: 768px) {
  .product-list-card { grid-template-columns: 1fr; }
  .plc-img img { min-height: 200px; height: 200px; }
  .products-intro-inner { grid-template-columns: 1fr; }
  .products-intro-img { display: none; }
}

/* =============================================
   PRODUCT DETAIL PAGE
   ============================================= */

/* Breadcrumb */
.breadcrumb {
  background: var(--fog);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  margin-top: 64px;
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--steel);
}

.breadcrumb a { color: var(--cobalt); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--steel); }

/* Product detail hero */
.product-detail-hero {
  padding: 56px 0 var(--section-gap);
}

.product-detail-inner {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 64px;
  align-items: start;
}

/* Image column */
.pd-image-col { position: sticky; top: 84px; }

.pd-main-image {
  background: var(--fog);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 12px;
}

.pd-main-image img {
  width: 100%;
  height: 320px;
  object-fit: contain;
  padding: 24px;
  display: block;
}

.pd-image-caption {
  font-size: 12px;
  color: var(--steel);
  text-align: center;
  font-style: italic;
  margin-bottom: 12px;
}

.pd-image-thumb-row {
  display: flex;
  gap: 10px;
}

.pd-thumb {
  width: 80px;
  height: 80px;
  border: 2px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  background: var(--fog);
  transition: border-color 0.2s;
}

.pd-thumb:hover { border-color: var(--cobalt); }
.pd-thumb.active { border-color: var(--cobalt); }

.pd-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

/* Info column */
.pd-pn {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--brass);
  margin-bottom: 12px;
}

.pd-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 24px;
}

.pd-dims-grid {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.pd-dim {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pd-dim span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.pd-dim strong {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.pd-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.pd-lead {
  font-size: 16px;
  color: var(--steel);
  line-height: 1.7;
  margin-bottom: 28px;
}

.pd-cta-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.pd-meta {
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pd-meta-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.pd-meta-row span:first-child {
  color: var(--steel);
  font-weight: 500;
}

.pd-meta-row span:last-child {
  color: var(--ink);
  font-weight: 500;
  text-align: right;
}

/* Explainer section */
.pd-explainer {
  padding: var(--section-gap) 0;
  background: var(--fog);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pd-explainer-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: center;
}

.pd-explainer-text h2 { margin-bottom: 20px; }

.pd-explainer-text p {
  font-size: 15px;
  color: var(--steel);
  line-height: 1.75;
  margin-bottom: 16px;
}

.pd-explainer-text p strong { color: var(--ink); }

.pd-explainer-diagram img {
  width: 100%;
  height: 260px;
  object-fit: contain;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  display: block;
  margin-bottom: 16px;
}

.pd-diagram-labels {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pd-diagram-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--steel);
}

.pd-label-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--steel);
  flex-shrink: 0;
}

.pd-label-dot--blue { background: var(--cobalt); }

/* Compatibility section */
.pd-context {
  padding: var(--section-gap) 0;
}

.pd-compat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
}

.pd-compat-card {
  background: var(--fog);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
}

.pd-compat-brand {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--ink);
  margin-bottom: 12px;
}

.pd-compat-card p {
  font-size: 14px;
  color: var(--steel);
  line-height: 1.65;
}

/* Benefits */
.pd-benefits {
  padding: var(--section-gap) 0;
  background: var(--fog);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Related product */
.pd-related {
  padding: var(--section-gap) 0;
}

.pd-related-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--white);
  border: 2px solid var(--cobalt);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  transition: box-shadow 0.2s;
  margin-top: 8px;
}

.pd-related-card:hover {
  box-shadow: 0 4px 24px rgba(27,95,255,0.12);
}

.pd-related-img {
  background: var(--fog);
  overflow: hidden;
}

.pd-related-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  min-height: 200px;
}

.pd-related-body {
  padding: 28px 32px;
}

.pd-related-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 10px;
}

.pd-related-body p {
  font-size: 14px;
  color: var(--steel);
  line-height: 1.65;
}

/* Sleeve detail section */
.pd-sleeve-detail {
  padding: var(--section-gap) 0;
  background: var(--fog);
  border-top: 1px solid var(--border);
}

/* Clickable product list card */
.product-list-card--link {
  text-decoration: none;
  color: inherit;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  margin-bottom: 24px;
}

.product-list-card--link:hover {
  border-color: var(--cobalt);
  box-shadow: 0 4px 20px rgba(27,95,255,0.08);
}

.product-list-card--link .btn {
  pointer-events: none;
}

/* Responsive */
@media (max-width: 900px) {
  .product-detail-inner { grid-template-columns: 1fr; }
  .pd-image-col { position: static; }
  .pd-explainer-inner { grid-template-columns: 1fr; }
  .pd-compat-grid { grid-template-columns: 1fr; }
  .pd-related-card { grid-template-columns: 1fr; }
  .pd-related-img img { min-height: 160px; }
}

/* ---- MASTHEAD (compact hero with H1) ---- */
.masthead {
  padding: 140px 0 56px;
  background: linear-gradient(180deg, var(--fog) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--border);
}
.masthead-inner { max-width: 780px; }
.masthead-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5.5vw, 56px);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.masthead-accent { color: var(--cobalt); }
.masthead-sub {
  margin-top: 16px;
  color: var(--steel);
  font-size: 17px;
  max-width: 620px;
}
.masthead-cta { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- FOOTER TRUST LINE ---- */
.footer-trust {
  color: var(--steel);
  font-size: 13px;
  margin-top: 10px;
}
.footer-trust a { color: var(--cobalt); }

/* ---- PART NUMBER LINKS ---- */
.pn-link { color: var(--brass); border-bottom: 1px dotted var(--brass); }
.pn-link:hover { color: var(--cobalt); border-bottom-color: var(--cobalt); }

/* ---- RELATED GRID on part pages ---- */
.pd-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.pd-related-grid .pd-related-card { display: block; }

@media (max-width: 640px) {
  .masthead { padding: 110px 0 40px; }
}


/* ---- EQUIPMENT PHOTO (hidden automatically if image missing) ---- */
.pd-equipment { padding: 0 0 32px; }
.equipment-photo { max-width: 760px; margin: 0 auto; }
.equipment-photo img {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  display: block;
}
.equipment-photo figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--steel);
  text-align: center;
}