/*
Theme Name: SSI Industrial
Theme URI: https://www.seamlesssteelindustries.in
Author: Seamless Steel Industries
Description: Custom lightweight B2B industrial theme for Seamless Steel Industries. Built for SEO, speed, and non-technical editability.
Version: 1.5.0
Text Domain: ssi-theme
*/

/* ============ DESIGN TOKENS ============ */
:root {
  /* Brand Industrial Colors */
  --ssi-navy-dark: #08111e;
  --ssi-navy: #0e1d33;
  --ssi-blue: #0b4f8a;
  --ssi-blue-dark: #073a66;
  --ssi-blue-light: #e8f0f8;
  --ssi-blue-border: #bcd0e4;
  --ssi-charcoal: #17202a;
  --ssi-steel: #334155;
  --ssi-steel-light: #64748b;
  --ssi-surface: #ffffff;
  --ssi-surface-alt: #f8fafc;
  --ssi-surface-muted: #f1f5f9;
  --ssi-border: #cbd5e1;
  --ssi-border-light: #e2e8f0;
  
  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  /* Layout & Geometry */
  --radius: 4px;
  --radius-sm: 2px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --container: 1180px;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--ssi-steel);
  background: var(--ssi-surface);
  line-height: 1.5;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ssi-blue); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--ssi-blue-dark); }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.5em;
  color: var(--ssi-navy);
  letter-spacing: -0.01em;
}
h1 { font-size: 2.1rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1.0rem; }
p { margin: 0 0 0.9em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 48px 0; }
.section-sm { padding: 32px 0; }
.section-alt { background: var(--ssi-surface-alt); border-top: 1px solid var(--ssi-border-light); border-bottom: 1px solid var(--ssi-border-light); }
.section-header { margin-bottom: 28px; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ssi-blue);
  background: var(--ssi-blue-light);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

/* ============ BUTTONS & BADGES ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1.5px solid transparent;
  transition: all 0.15s ease;
  cursor: pointer;
  line-height: 1.3;
  text-align: center;
}
.btn-primary { background: var(--ssi-blue); color: #fff; border-color: var(--ssi-blue); }
.btn-primary:hover { background: var(--ssi-blue-dark); border-color: var(--ssi-blue-dark); color: #fff; }
.btn-secondary { background: var(--ssi-navy); color: #fff; border-color: var(--ssi-navy); }
.btn-secondary:hover { background: var(--ssi-navy-dark); border-color: var(--ssi-navy-dark); color: #fff; }
.btn-outline { background: transparent; border-color: var(--ssi-border); color: var(--ssi-navy); }
.btn-outline:hover { background: var(--ssi-surface-muted); border-color: var(--ssi-navy); color: var(--ssi-navy); }
.btn-outline-white { background: transparent; border-color: rgba(255,255,255,0.7); color: #fff; }
.btn-outline-white:hover { background: #fff; color: var(--ssi-navy); border-color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 0.82rem; }
.btn-block { width: 100%; }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  line-height: 1.3;
  font-family: var(--font-mono);
}
.badge-standard { background: var(--ssi-blue-light); color: var(--ssi-blue-dark); border: 1px solid var(--ssi-blue-border); }
.badge-grade { background: var(--ssi-surface-muted); color: var(--ssi-steel); border: 1px solid var(--ssi-border); }

/* ============ TOP UTILITY BAR ============ */
.site-topbar {
  background: var(--ssi-navy-dark);
  color: #94a3b8;
  font-size: 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 6px 0;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.topbar-hub { color: #cbd5e1; font-weight: 500; }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.topbar-link {
  color: #cbd5e1;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.topbar-link:hover { color: #fff; }
.topbar-link strong { color: #fff; font-weight: 600; }
.topbar-wa { color: #4ade80; font-weight: 600; }
.topbar-wa:hover { color: #86efac; }

/* ============ MAIN HEADER & NAV ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--ssi-surface);
  border-bottom: 1px solid var(--ssi-border-light);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}
.brand-link { display: flex; align-items: center; text-decoration: none; }
.brand-text { display: flex; flex-direction: column; }
.brand-main {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ssi-navy);
  letter-spacing: 0.04em;
  line-height: 1.1;
}
.brand-sub {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--ssi-blue);
  letter-spacing: 0.18em;
  line-height: 1.2;
}

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--ssi-navy);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 4px 0;
  position: relative;
}
.main-nav a:hover,
.main-nav li.current-menu-item > a {
  color: var(--ssi-blue);
}
.main-nav li.current-menu-item > a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ssi-blue);
}

.header-cta { display: flex; align-items: center; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--ssi-navy); }

/* ============ HERO (COMPACT & INDUSTRIAL) ============ */
.hero {
  background: linear-gradient(135deg, var(--ssi-navy-dark) 0%, var(--ssi-navy) 60%, var(--ssi-blue-dark) 100%);
  color: #fff;
  padding: 56px 0;
  border-bottom: 2px solid var(--ssi-blue);
}
.hero .container { max-width: 860px; }
.hero h1 { color: #ffffff; font-size: 2.3rem; margin-bottom: 14px; line-height: 1.2; }
.hero p { color: #e2e8f0; font-size: 1.05rem; line-height: 1.6; margin-bottom: 18px; max-width: 780px; }
.hero .standards-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: #93c5fd;
  text-transform: uppercase;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--ssi-blue);
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 22px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ============ TRUST & STANDARDS BAR ============ */
.trust-bar {
  background: var(--ssi-navy);
  color: #94a3b8;
  padding: 12px 0;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.trust-label { font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 0.05em; }
.trust-chips {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  color: #cbd5e1;
}
.trust-chip {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: #fff;
}

/* ============ GRIDS & CARDS ============ */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--ssi-blue);
  box-shadow: var(--shadow-md);
}
.card h3 {
  font-size: 1.08rem;
  margin-bottom: 6px;
  color: var(--ssi-navy);
}
.card p {
  font-size: 0.88rem;
  color: var(--ssi-steel);
  margin-bottom: 12px;
  flex-grow: 1;
}
.card-link {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ssi-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.card-link:hover { color: var(--ssi-blue-dark); }

/* Technical Spec Card */
.spec-card {
  border-top: 3px solid var(--ssi-blue);
}
.spec-meta {
  font-size: 0.82rem;
  color: var(--ssi-steel);
  margin-bottom: 10px;
  background: var(--ssi-surface-alt);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ssi-border-light);
}
.spec-meta-row { display: flex; justify-content: space-between; margin-bottom: 3px; }
.spec-meta-row:last-child { margin-bottom: 0; }
.spec-meta-label { font-weight: 600; color: var(--ssi-navy); }
.spec-meta-val { font-family: var(--font-mono); }

/* ============ ENGINEERING DATA TABLES ============ */
.spec-table-wrap {
  overflow-x: auto;
  margin: 16px 0 24px;
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--ssi-surface);
}
.spec-table th, .spec-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--ssi-border-light);
  line-height: 1.4;
}
.spec-table tr:last-child td, .spec-table tr:last-child th { border-bottom: none; }
.spec-table th {
  background: var(--ssi-surface-alt);
  color: var(--ssi-navy);
  font-weight: 600;
  width: 220px;
  border-right: 1px solid var(--ssi-border-light);
}
.spec-table td {
  color: var(--ssi-steel);
}
.spec-table tr:nth-child(even) td { background: #fafcff; }

/* ============ BREADCRUMB ============ */
.breadcrumb {
  font-size: 0.82rem;
  color: var(--ssi-steel-light);
  margin-bottom: 16px;
  padding: 8px 0;
}
.breadcrumb a { color: var(--ssi-steel); font-weight: 500; }
.breadcrumb a:hover { color: var(--ssi-blue); }

/* ============ RFQ CALLOUT & BANNER ============ */
.cta-banner {
  background: var(--ssi-navy);
  color: #fff;
  padding: 40px 0;
  border-top: 3px solid var(--ssi-blue);
}
.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-banner-content h2 { color: #fff; font-size: 1.45rem; margin-bottom: 6px; }
.cta-banner-content p { color: #cbd5e1; font-size: 0.95rem; margin: 0; }

/* ============ FORMS ============ */
.quote-form {
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}
.quote-form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--ssi-navy);
}
.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--ssi-charcoal);
  background: #fff;
  transition: border-color 0.15s ease;
}
.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-color: var(--ssi-blue);
  outline: none;
  box-shadow: 0 0 0 2px rgba(11, 79, 138, 0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ============ FAQ ACCORDION ============ */
.faq-item {
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  background: var(--ssi-surface);
  overflow: hidden;
}
.faq-item summary {
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ssi-navy);
  list-style: none;
  background: var(--ssi-surface-alt);
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ssi-blue);
}
.faq-item[open] summary::after { content: '–'; }
.faq-item-content {
  padding: 14px 16px;
  border-top: 1px solid var(--ssi-border-light);
  color: var(--ssi-steel);
  font-size: 0.9rem;
  line-height: 1.55;
}
.faq-item-content p { margin: 0; }

/* ============ SITE FOOTER ============ */
.site-footer {
  background: var(--ssi-navy-dark);
  color: #94a3b8;
  padding: 48px 0 20px;
  font-size: 0.88rem;
  border-top: 3px solid var(--ssi-blue);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 32px;
}
.site-footer h4 {
  color: #ffffff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 6px;
}
.site-footer p { font-size: 0.86rem; line-height: 1.5; color: #94a3b8; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer ul li { margin-bottom: 7px; font-size: 0.86rem; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #ffffff; }
.footer-contact-list li { display: flex; align-items: baseline; gap: 6px; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: #64748b;
}

/* ============ MOBILE STICKY CTA ============ */
.mobile-sticky-cta { display: none; }

/* ============ RESPONSIVE BREAKPOINTS ============ */
@media (max-width: 960px) {
  .header-inner { flex-wrap: wrap; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .topbar-right .topbar-email { display: none; }
  
  .main-nav {
    display: none;
    width: 100%;
    order: 3;
    padding: 12px 0 6px;
    border-top: 1px solid var(--ssi-border-light);
    margin-top: 10px;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 0; }
  .main-nav a { display: block; width: 100%; padding: 8px 0; border-bottom: 1px solid var(--ssi-surface-muted); }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  
  .hero h1 { font-size: 1.85rem; }
  .cta-banner-inner { flex-direction: column; align-items: flex-start; }
  
  .mobile-sticky-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--ssi-navy-dark);
    border-top: 2px solid var(--ssi-blue);
  }
  .mobile-sticky-cta a {
    flex: 1;
    text-align: center;
    padding: 12px 6px;
    color: #fff;
    font-weight: 700;
    font-size: 0.82rem;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
  }
  .mobile-sticky-cta a:last-child {
    border-right: none;
    background: var(--ssi-blue);
  }
  body { padding-bottom: 48px; }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .site-topbar { font-size: 0.75rem; }
  .hero { padding: 40px 0; }
  .hero h1 { font-size: 1.55rem; }
  .section { padding: 36px 0; }
}

/* ============ HOMEPAGE CAPABILITY STRIP ============ */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: -24px;
  position: relative;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}
.stat-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-right: 12px;
  border-right: 1px solid var(--ssi-border-light);
}
.stat-item:last-child { border-right: none; padding-right: 0; }
.stat-icon {
  font-size: 1.4rem;
  line-height: 1;
  padding: 8px;
  background: var(--ssi-blue-light);
  border-radius: var(--radius);
  flex-shrink: 0;
}
.stat-content { display: flex; flex-direction: column; }
.stat-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ssi-navy);
  margin: 0 0 3px;
}
.stat-desc {
  font-size: 0.78rem;
  color: var(--ssi-steel-light);
  margin: 0;
  line-height: 1.35;
}

/* ============ TECHNICAL MATRIX ============ */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.matrix-card {
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-top: 3px solid var(--ssi-blue);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}
.matrix-card h3 {
  font-size: 1.02rem;
  margin: 0 0 8px;
  color: var(--ssi-navy);
}
.matrix-standards {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ssi-blue-dark);
  background: var(--ssi-blue-light);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  display: block;
}
.matrix-desc {
  font-size: 0.84rem;
  color: var(--ssi-steel);
  line-height: 1.45;
  margin: 0;
}

/* ============ PILLARS (WHY SSI) ============ */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.pillar-card {
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ssi-blue);
  margin-bottom: 8px;
}
.pillar-card h3 {
  font-size: 1.0rem;
  margin: 0 0 8px;
  color: var(--ssi-navy);
}
.pillar-card p {
  font-size: 0.84rem;
  color: var(--ssi-steel);
  margin: 0;
  line-height: 1.45;
}

/* ============ CATEGORY CARDS ============ */
.cat-card {
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.cat-card:hover {
  border-color: var(--ssi-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.cat-card h3 {
  font-size: 1.02rem;
  margin: 0 0 6px;
  color: var(--ssi-navy);
}
.cat-card p {
  font-size: 0.84rem;
  color: var(--ssi-steel-light);
  margin: 0 0 12px;
  line-height: 1.4;
}

/* ============ HOMEPAGE RFQ FORM ============ */
.home-rfq-wrap {
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 960px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); margin-top: 16px; }
  .stat-item:nth-child(2) { border-right: none; }
  .matrix-grid, .pillar-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .stat-strip { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--ssi-border-light); padding-bottom: 10px; }
  .stat-item:last-child { border-bottom: none; }
  .matrix-grid, .pillar-grid { grid-template-columns: 1fr; }
}

/* ============ CATALOG & SINGLE PRODUCT LAYOUT ============ */
.catalog-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 28px;
  padding: 12px 14px;
  background: var(--ssi-surface-alt);
  border: 1px solid var(--ssi-border-light);
  border-radius: var(--radius);
}
.catalog-tab {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ssi-steel);
  background: #fff;
  border: 1px solid var(--ssi-border);
  transition: all 0.15s ease;
}
.catalog-tab:hover {
  color: var(--ssi-blue);
  border-color: var(--ssi-blue);
}
.catalog-tab.active {
  background: var(--ssi-blue);
  color: #fff;
  border-color: var(--ssi-blue);
}

.product-spec-strip {
  font-size: 0.8rem;
  color: var(--ssi-steel);
  background: var(--ssi-surface-alt);
  border: 1px solid var(--ssi-border-light);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin-bottom: 12px;
}
.product-spec-row {
  display: flex;
  justify-content: space-between;
  padding: 2px 0;
  border-bottom: 1px dashed var(--ssi-border-light);
}
.product-spec-row:last-child { border-bottom: none; }
.product-spec-label { font-weight: 600; color: var(--ssi-navy); }
.product-spec-value { font-family: var(--font-mono); color: var(--ssi-steel); text-align: right; }

/* Single Product Engineering Datasheet */
.product-layout-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
}
.product-header-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 12px;
}
.spec-box {
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.spec-box h2 {
  font-size: 1.25rem;
  border-bottom: 1px solid var(--ssi-border-light);
  padding-bottom: 8px;
  margin-bottom: 14px;
  color: var(--ssi-navy);
}

/* Sticky RFQ Sidebar */
.rfq-sidebar {
  position: sticky;
  top: 90px;
}
.rfq-sidebar-card {
  background: var(--ssi-surface);
  border: 1px solid var(--ssi-border);
  border-top: 3px solid var(--ssi-blue);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.rfq-sidebar-card h3 {
  font-size: 1.1rem;
  margin: 0 0 6px;
  color: var(--ssi-navy);
}
.rfq-sidebar-card p {
  font-size: 0.85rem;
  color: var(--ssi-steel);
  margin-bottom: 14px;
}
.sidebar-direct-contact {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--ssi-border-light);
  font-size: 0.82rem;
  color: var(--ssi-steel-light);
}

.datasheet-download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--ssi-blue-light);
  border: 1px solid var(--ssi-blue-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 20px 0;
}
.datasheet-info h4 { margin: 0 0 3px; font-size: 0.95rem; color: var(--ssi-blue-dark); }
.datasheet-info p { margin: 0; font-size: 0.82rem; color: var(--ssi-steel); }

.bc-sep { color: var(--ssi-border); margin: 0 4px; }
.bc-curr { color: var(--ssi-navy); font-weight: 600; }

@media (max-width: 960px) {
  .product-layout-grid { grid-template-columns: 1fr; }
  .rfq-sidebar { position: static; margin-top: 24px; }
}

/* ============ INDUSTRIES & LOCATIONS STYLES ============ */
.hub-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 14px;
}
.hub-chip {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ssi-navy);
  background: var(--ssi-surface-muted);
  border: 1px solid var(--ssi-border-light);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.dispatch-notice {
  background: var(--ssi-surface-alt);
  border-left: 3px solid var(--ssi-blue);
  padding: 12px 14px;
  font-size: 0.86rem;
  color: var(--ssi-steel);
  margin-bottom: 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.dispatch-notice strong { color: var(--ssi-navy); }

.industry-card-apps {
  font-size: 0.82rem;
  color: var(--ssi-steel);
  background: var(--ssi-surface-alt);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ssi-border-light);
  margin-bottom: 12px;
}
.industry-card-apps strong {
  display: block;
  font-size: 0.76rem;
  color: var(--ssi-navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 3px;
}