/* ==========================================================================
   BAHRI TRADING CORPORATION - OFFICIAL BRAND DESIGN SYSTEM
   Exact Match: Corporate Deep Navy (#0A2540) + Radiant Amber Gold (#F59E0B) + Royal Blue (#2563EB)
   ========================================================================== */

:root {
  /* Brand Colors from Official Header & Hero */
  --color-header-bg: #FFFFFF;
  --color-header-text: #334155;
  --color-header-active-pill: #1D4ED8;
  
  --color-hero-navy: #0A2540;
  --color-hero-navy-dark: #07192C;
  --color-hero-navy-light: #133358;
  
  --color-gold: #F59E0B;
  --color-gold-hover: #D97706;
  --color-gold-light: #FDE68A;
  --color-gold-glow: rgba(245, 158, 11, 0.25);
  
  --color-royal-blue: #2563EB;
  --color-royal-blue-hover: #1D4ED8;
  
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1EBE5D;
  
  --color-badge-bg: rgba(30, 58, 95, 0.65);
  --color-badge-border: rgba(56, 189, 248, 0.25);
  --color-badge-green: #22C55E;
  
  --color-card-bg: #102A45;
  --color-card-bg-hover: #153556;
  --color-card-border: rgba(56, 189, 248, 0.15);
  
  --color-text-light: #FFFFFF;
  --color-text-sub: #CBD5E1;
  --color-text-muted: #94A3B8;
  --color-text-dark: #0F172A;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Montserrat', var(--font-sans);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.35);
}

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

body {
  background-color: var(--color-hero-navy);
  color: var(--color-text-light);
  font-family: var(--font-sans);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--color-gold-hover);
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   1. BRAND HEADER (Professional, Perfectly Aligned, No Wrap, No Overflow)
   ========================================================================== */
.site-header {
  background: #FFFFFF;
  border-bottom: 1px solid #E2E8F0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  height: 72px;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  width: 100%;
}

.brand-logo-container {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
}

.header-logo-img {
  height: 42px;
  width: auto;
  display: block;
}

.brand-hub-badge {
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  color: #1E293B;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 14px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.nav-links li {
  display: flex;
  align-items: center;
}

.nav-links a {
  color: #334155;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all 0.2s ease;
  white-space: nowrap;
  line-height: 1;
  display: inline-flex;
  align-items: center;
}

.nav-links a:hover {
  color: #1D4ED8;
  background: #F8FAFC;
}

.nav-links a.active-pill {
  background: #1D4ED8 !important;
  color: #FFFFFF !important;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 6px;
}

.header-right-action {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-header-quote {
  background: #F59E0B;
  color: #0F172A !important;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 9px 18px;
  border-radius: 6px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.3);
  transition: all 0.2s;
}

.btn-header-quote:hover {
  background: #D97706;
  color: #FFFFFF !important;
  transform: translateY(-1px);
}

/* ==========================================================================
   2. HERO SECTION (Brand Deep Navy + Gold Highlight)
   ========================================================================== */
.hero-hub {
  padding: 48px 0 36px;
  background: linear-gradient(180deg, var(--color-hero-navy) 0%, var(--color-hero-navy-dark) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.breadcrumb-nav {
  display: flex;
  gap: 8px;
  font-size: 0.88rem;
  color: #93C5FD;
  margin-bottom: 24px;
}

.breadcrumb-nav a {
  color: #93C5FD;
}

.breadcrumb-nav a:hover {
  color: #FFFFFF;
}

.hero-top-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-badge-bg);
  border: 1px solid var(--color-badge-border);
  color: #93C5FD;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 18px;
  color: #FFFFFF;
}

.hero-title .text-gold {
  color: var(--color-gold);
}

.hero-description {
  font-size: 1.08rem;
  color: var(--color-text-sub);
  margin-bottom: 28px;
  line-height: 1.65;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-badge-bg);
  border: 1px solid var(--color-badge-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: #FFFFFF;
}

.pill-badge .badge-icon {
  font-size: 0.9rem;
}

.pill-badge.gold-badge {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.pill-badge.green-badge .badge-icon {
  color: var(--color-badge-green);
}

/* Action Buttons */
.hero-cta-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary-gold {
  background: var(--color-gold);
  color: #0F172A !important;
  font-weight: 700;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  transition: all 0.2s;
}

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

.btn-secondary-slate {
  background: #162E4D;
  border: 1px solid var(--color-badge-border);
  color: #FFFFFF !important;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  transition: all 0.2s;
}

.btn-secondary-slate:hover {
  background: #1E3A5F;
  border-color: #38BDF8;
}

/* Quick Specifications Card (Hero Right) */
.quick-specs-card {
  background: rgba(16, 42, 69, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-lg);
  padding: 26px 30px;
  box-shadow: var(--shadow-card);
}

.specs-heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(245, 158, 11, 0.2);
}

.specs-list {
  list-style: none;
}

.specs-item {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.92rem;
}

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

.specs-label {
  color: var(--color-text-sub);
  font-weight: 500;
}

.specs-val {
  color: #FFFFFF;
  font-weight: 700;
  text-align: right;
}

/* ==========================================================================
   3. CATEGORY FILTER BAR
   ========================================================================== */
.category-filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 36px 0 46px;
}

.filter-chip {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  color: var(--color-text-sub);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-chip:hover {
  background: #1E3A5F;
  color: #FFFFFF;
  border-color: #38BDF8;
}

.filter-chip.active {
  background: var(--color-gold);
  color: #0F172A;
  border-color: var(--color-gold);
  font-weight: 700;
}

/* ==========================================================================
   4. FEATURED ARTICLE & BLOG GRID CARDS
   ========================================================================== */
.featured-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  margin-bottom: 54px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.featured-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
}

.featured-image {
  position: relative;
  min-height: 360px;
  background: #07192C;
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-card:hover .featured-image img {
  transform: scale(1.04);
}

.featured-content {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.article-category {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-gold);
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.article-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  color: #FFFFFF;
}

.article-excerpt {
  color: var(--color-text-sub);
  font-size: 0.98rem;
  margin-bottom: 22px;
  line-height: 1.6;
}

/* Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.article-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-gold);
}

.card-image {
  height: 210px;
  overflow: hidden;
  background: #07192C;
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: #FFFFFF;
}

.card-text {
  color: var(--color-text-sub);
  font-size: 0.92rem;
  margin-bottom: 18px;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 14px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.read-more-link {
  font-weight: 700;
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.read-more-link:hover {
  color: var(--color-gold-hover);
  padding-left: 3px;
}

/* ==========================================================================
   5. SINGLE ARTICLE LAYOUT & AEO / GEO / ASSAY TABLES
   ========================================================================== */
.single-article-header {
  padding: 40px 0 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 36px;
}

.single-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  color: #FFFFFF;
}

.single-title .text-gold {
  color: var(--color-gold);
}

.article-layout {
  display: grid;
  grid-template-columns: 2.8fr 1.2fr;
  gap: 44px;
  margin-bottom: 70px;
}

.article-content {
  font-size: 1.05rem;
  color: #E2E8F0;
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: #FFFFFF;
  margin: 36px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-gold);
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--color-gold);
  margin: 26px 0 10px;
}

.article-content p {
  margin-bottom: 18px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 22px;
  padding-left: 22px;
}

.article-content li {
  margin-bottom: 8px;
}

/* AEO Takeaway Box */
.aeo-callout {
  background: rgba(245, 158, 11, 0.08);
  border-left: 4px solid var(--color-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 22px;
  margin: 26px 0;
}

.aeo-callout-title {
  font-weight: 800;
  color: var(--color-gold);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

/* Spec Table */
.spec-table-container {
  overflow-x: auto;
  margin: 26px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-card-border);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-card-bg);
  font-size: 0.94rem;
}

.spec-table th {
  background: #07192C;
  color: var(--color-gold);
  padding: 13px 16px;
  font-weight: 700;
  border-bottom: 2px solid var(--color-gold);
  text-align: left;
}

.spec-table td {
  padding: 11px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: #CBD5E1;
}

.spec-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Sidebar Widgets */
.sidebar-widget {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.widget-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-gold);
}

.rfq-widget {
  background: linear-gradient(180deg, #133358 0%, #0A2540 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.rfq-form input,
.rfq-form select,
.rfq-form textarea {
  width: 100%;
  padding: 11px 13px;
  background: #07192C;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  margin-bottom: 12px;
  font-family: inherit;
  font-size: 0.88rem;
}

.rfq-form input:focus,
.rfq-form textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}

.rfq-btn {
  width: 100%;
  padding: 13px;
  background: var(--color-gold);
  border: none;
  border-radius: var(--radius-sm);
  color: #0F172A;
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
  transition: all 0.2s;
}

.rfq-btn:hover {
  background: var(--color-gold-hover);
  color: #FFFFFF;
}

/* Floating WhatsApp Button */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--color-whatsapp);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all 0.2s ease;
}

.floating-whatsapp-btn:hover {
  background: var(--color-whatsapp-hover);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

/* ==========================================================================
   6. FOOTER
   ========================================================================== */
.site-footer {
  background: #051322;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0 28px;
  color: var(--color-text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 18px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 28px;
  height: 2px;
  background: var(--color-gold);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 9px;
}

.footer-col ul a {
  color: var(--color-text-sub);
  font-size: 0.9rem;
}

.footer-col ul a:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .featured-card {
    grid-template-columns: 1fr;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .single-title {
    font-size: 1.8rem;
  }
  .nav-links {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}