/* ==============================================================================
   FGB Manufacturing Co. - A+ Grade SEO Landing Pages Stylesheet
   Responsive, High-Performance, Conversion-Optimized
   ============================================================================== */

:root {
  --seo-primary: #89241A;
  --seo-primary-dark: #6D1B13;
  --seo-primary-light: #B83528;
  --seo-accent-gold: #D4AF37;
  --seo-bg-light: #FBF8F6;
  --seo-bg-warm: #F4EFEB;
  --seo-text-dark: #1A0F0C;
  --seo-text-muted: #555555;
  --seo-border: #E8DED8;
  --seo-card-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  --seo-radius: 8px;
}

/* Base Container */
.seo-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==================== 1. SEO PAGE BANNER ==================== */
.seo-banner {
  position: relative;
  background: linear-gradient(135deg, rgba(26, 15, 12, 0.94) 0%, rgba(137, 36, 26, 0.88) 100%), url('../images/bgprod-scaled.jpg') center/cover no-repeat;
  padding: 70px 0 60px;
  color: #FFFFFF;
  text-align: center;
  border-bottom: 3px solid var(--seo-primary);
}

.seo-banner-content {
  max-width: 900px;
  margin: 0 auto;
}

.seo-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
  backdrop-filter: blur(4px);
}

.seo-banner-title {
  font-family: 'DM Sans', 'Poppins', sans-serif;
  font-size: 2.6rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
  margin-bottom: 14px;
}

.seo-banner-subtitle {
  font-size: 1.15rem;
  color: #E2D9D5;
  line-height: 1.6;
  margin-bottom: 22px;
}

.seo-breadcrumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: #CCCCCC;
}

.seo-breadcrumbs a {
  color: #FFFFFF;
  text-decoration: none;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.seo-breadcrumbs a:hover {
  color: #FFC107;
}

.seo-breadcrumbs .sep {
  opacity: 0.6;
  font-size: 11px;
}

.seo-breadcrumbs .active-crumb {
  color: #FFC107;
  font-weight: 600;
}

/* ==================== 2. TRUST / CERTIFICATION STRIP ==================== */
.seo-trust-strip {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--seo-border);
  padding: 16px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.seo-trust-grid {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 15px;
}

.seo-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--seo-text-dark);
}

.seo-trust-item i {
  color: var(--seo-primary);
  font-size: 18px;
}

/* ==================== 3. HERO OVERVIEW SECTION ==================== */
.seo-overview-section {
  padding: 60px 0 40px;
  background-color: #FFFFFF;
}

.seo-hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 45px;
  align-items: center;
}

.seo-overview-text h2 {
  font-family: 'DM Sans', 'Poppins', sans-serif;
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--seo-text-dark);
  line-height: 1.3;
  margin-bottom: 18px;
}

.seo-overview-text .seo-text-lead {
  font-size: 1.05rem;
  color: var(--seo-text-muted);
  line-height: 1.75;
  margin-bottom: 22px;
}

.seo-overview-text .seo-text-lead strong {
  color: var(--seo-text-dark);
}

.seo-check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.seo-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: #2B201D;
  line-height: 1.45;
}

.seo-check-list li i {
  color: var(--seo-primary);
  font-size: 17px;
  margin-top: 2px;
  flex-shrink: 0;
}

.seo-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-seo-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--seo-primary);
  color: #FFFFFF;
  padding: 13px 26px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(137, 36, 26, 0.28);
  transition: all 0.3s ease;
}

.btn-seo-primary:hover {
  background-color: var(--seo-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(137, 36, 26, 0.35);
  color: #FFFFFF;
}

.btn-seo-call {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background-color: #FFFFFF;
  color: var(--seo-primary);
  padding: 12px 22px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--seo-primary);
  transition: all 0.3s ease;
}

.btn-seo-call:hover {
  background-color: var(--seo-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-seo-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 12px 22px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  transition: all 0.3s ease;
}

.btn-seo-whatsapp:hover {
  background-color: #1EBE5D;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
}

/* Featured Image Showcase Card */
.seo-image-card {
  background: linear-gradient(145deg, #FFFFFF, var(--seo-bg-warm));
  border: 1px solid var(--seo-border);
  border-radius: var(--seo-radius);
  padding: 30px;
  text-align: center;
  box-shadow: var(--seo-card-shadow);
  position: relative;
}

.seo-image-card .prod-img-box {
  background-color: #FFFFFF;
  border-radius: 6px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 310px;
  margin-bottom: 18px;
  border: 1px solid #ECE3DC;
}

.seo-image-card img {
  max-height: 270px;
  max-width: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.12));
}

.seo-image-card:hover img {
  transform: scale(1.05);
}

.seo-image-caption {
  font-size: 13.5px;
  color: var(--seo-text-muted);
  font-weight: 600;
}

/* ==================== 4. SPECIFICATIONS TABLE SECTION ==================== */
.seo-specs-section {
  padding: 60px 0;
  background-color: var(--seo-bg-light);
  border-top: 1px solid var(--seo-border);
  border-bottom: 1px solid var(--seo-border);
}

.seo-section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 40px;
}

.seo-section-pretitle {
  color: var(--seo-primary);
  font-size: 13.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  display: block;
  margin-bottom: 8px;
}

.seo-section-title {
  font-family: 'DM Sans', 'Poppins', sans-serif;
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--seo-text-dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.seo-section-desc {
  font-size: 1.05rem;
  color: var(--seo-text-muted);
  line-height: 1.65;
}

.seo-table-responsive {
  background-color: #FFFFFF;
  border-radius: var(--seo-radius);
  border: 1px solid var(--seo-border);
  overflow: hidden;
  box-shadow: var(--seo-card-shadow);
}

.seo-specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.seo-specs-table th {
  background-color: var(--seo-primary);
  color: #FFFFFF;
  padding: 15px 22px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.seo-specs-table td {
  padding: 14px 22px;
  font-size: 14.5px;
  color: #333333;
  border-bottom: 1px solid #EFEAE6;
  line-height: 1.5;
}

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

.seo-specs-table tr:nth-child(even) td {
  background-color: #FAF7F5;
}

.seo-specs-table td.spec-param {
  font-weight: 700;
  color: var(--seo-text-dark);
  width: 32%;
  border-right: 1px solid #EFEAE6;
}

/* ==================== 5. ENGINEERING FEATURES GRID ==================== */
.seo-features-section {
  padding: 65px 0 55px;
  background-color: #FFFFFF;
}

.seo-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.seo-feature-card {
  background-color: #FFFFFF;
  border: 1px solid var(--seo-border);
  border-radius: var(--seo-radius);
  padding: 28px 22px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
}

.seo-feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--seo-primary);
  box-shadow: var(--seo-card-shadow);
}

.seo-feature-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(137, 36, 26, 0.09);
  color: var(--seo-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 18px;
  transition: all 0.3s ease;
}

.seo-feature-card:hover .seo-feature-icon {
  background-color: var(--seo-primary);
  color: #FFFFFF;
}

.seo-feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--seo-text-dark);
  margin-bottom: 10px;
  line-height: 1.35;
}

.seo-feature-card p {
  font-size: 13.5px;
  color: var(--seo-text-muted);
  line-height: 1.6;
}

/* ==================== 6. INDUSTRIAL APPLICATIONS ==================== */
.seo-apps-section {
  padding: 60px 0;
  background-color: var(--seo-bg-light);
  border-top: 1px solid var(--seo-border);
  border-bottom: 1px solid var(--seo-border);
}

.seo-apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.seo-app-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background-color: #FFFFFF;
  border: 1px solid var(--seo-border);
  border-radius: 6px;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--seo-text-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
}

.seo-app-item:hover {
  border-color: var(--seo-primary);
  transform: translateX(4px);
  color: var(--seo-primary);
}

.seo-app-item i {
  color: var(--seo-primary);
  font-size: 18px;
  flex-shrink: 0;
}

/* ==================== 7. INTERACTIVE FAQ ACCORDION ==================== */
.seo-faqs-section {
  padding: 65px 0;
  background-color: #FFFFFF;
}

.seo-faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.seo-faq-item {
  border: 1px solid var(--seo-border);
  border-radius: var(--seo-radius);
  background-color: #FFFFFF;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.seo-faq-item.active {
  border-color: var(--seo-primary);
  box-shadow: 0 4px 15px rgba(137, 36, 26, 0.08);
}

.seo-faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 24px;
  font-family: inherit;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--seo-text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  transition: color 0.2s ease;
}

.seo-faq-question:hover {
  color: var(--seo-primary);
}

.seo-faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #FAF4F2;
  color: var(--seo-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.seo-faq-item.active .faq-icon {
  transform: rotate(180deg);
  background-color: var(--seo-primary);
  color: #FFFFFF;
}

.seo-faq-answer {
  padding: 0 24px 20px;
  font-size: 14.5px;
  color: var(--seo-text-muted);
  line-height: 1.7;
  display: none;
}

.seo-faq-item.active .seo-faq-answer {
  display: block;
}

/* ==================== 8. EMBEDDED INQUIRY FORM ==================== */
.seo-inquiry-section {
  padding: 60px 0;
  background: linear-gradient(135deg, #1F120E 0%, #3B1612 100%);
  color: #FFFFFF;
}

.seo-inquiry-box {
  background-color: #FFFFFF;
  border-radius: var(--seo-radius);
  padding: 40px;
  color: var(--seo-text-dark);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.seo-inquiry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.seo-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.seo-form-group label {
  font-size: 13.5px;
  font-weight: 700;
  color: #333333;
}

.seo-form-group input,
.seo-form-group select,
.seo-form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #D6CBC5;
  border-radius: 6px;
  font-size: 14px;
  color: #333333;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.seo-form-group input:focus,
.seo-form-group select:focus,
.seo-form-group textarea:focus {
  border-color: var(--seo-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(137, 36, 26, 0.12);
}

/* ==================== 9. TOPICAL INTERNAL LINKS MATRIX ==================== */
.seo-links-matrix {
  padding: 55px 0 65px;
  background-color: #F8F5F2;
  border-top: 1px solid var(--seo-border);
}

.seo-links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.seo-links-col {
  background-color: #FFFFFF;
  border-radius: var(--seo-radius);
  padding: 25px;
  border: 1px solid var(--seo-border);
}

.seo-links-col h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--seo-primary);
  margin-bottom: 16px;
  border-bottom: 2px solid #EFEAE6;
  padding-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.seo-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.seo-links-list li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #444444;
  text-decoration: none;
  font-size: 13.5px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.seo-links-list li a:hover {
  color: var(--seo-primary);
  transform: translateX(4px);
  font-weight: 600;
}

.seo-links-list li a i {
  color: var(--seo-primary);
  font-size: 11px;
}

/* ==================== RESPONSIVE BREAKPOINTS ==================== */
@media (max-width: 992px) {
  .seo-banner-title {
    font-size: 2.1rem;
  }
  .seo-hero-layout {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .seo-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .seo-apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .seo-links-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 650px) {
  .seo-banner {
    padding: 50px 0 40px;
  }
  .seo-banner-title {
    font-size: 1.7rem;
  }
  .seo-banner-subtitle {
    font-size: 1rem;
  }
  .seo-trust-grid {
    flex-direction: column;
    align-items: flex-start;
  }
  .seo-features-grid {
    grid-template-columns: 1fr;
  }
  .seo-apps-grid {
    grid-template-columns: 1fr;
  }
  .seo-inquiry-grid {
    grid-template-columns: 1fr;
  }
  .seo-form-group.full-width {
    grid-column: span 1;
  }
  .seo-specs-table td.spec-param {
    width: 45%;
  }
}