/* ==========================================================================
   THE COCKPIT BREWHOUSE & INDUSTRIAL SECURITY ARCHIVE - STYLESHEET
   Domain: https://thecockpitbrewhouse.co.za/
   Theme: Dark Slate, Copper Gold, & Aviation Amber (Zero SVG Architecture)
   ========================================================================== */

:root {
  --bg-primary: #0b1120;
  --bg-secondary: #111827;
  --bg-card: #1e293b;
  --bg-elevated: #273549;
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;
  --accent-gold: #f59e0b;
  --accent-amber: #fbbf24;
  --accent-copper: #d97706;
  --accent-blue: #38bdf8;
  --accent-green: #22c55e;
  --border-color: #334155;
  --border-gold: rgba(245, 158, 11, 0.45);
  --max-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

a {
  color: var(--accent-amber);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: #fde68a;
  text-decoration: underline;
}

.container {
  width: 92%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Top Verification Bar */
.top-bar {
  background: linear-gradient(90deg, #090d16 0%, #172554 50%, #090d16 100%);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.55rem 0;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge-verified {
  background-color: rgba(245, 158, 11, 0.18);
  border: 1px solid var(--accent-gold);
  color: var(--accent-amber);
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* Header & Navigation */
.site-header {
  background-color: rgba(15, 23, 42, 0.96);
  border-bottom: 2px solid var(--accent-copper);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  gap: 1rem;
}

.brand-logo img {
  height: 54px;
  width: auto;
  border-radius: 0;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
}

.main-nav a:hover, .main-nav a.active {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  text-decoration: none;
}

.btn-cta-nav {
  background: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-copper) 100%);
  color: #0b1120 !important;
  font-weight: 800 !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.btn-cta-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.5);
}

/* Breadcrumbs */
.breadcrumb-bar {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.65rem 0;
  font-size: 0.88rem;
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--text-dim);
}

.breadcrumb-list li + li::before {
  content: "›";
  margin-right: 0.45rem;
  color: var(--accent-gold);
  font-weight: bold;
}

/* Hero Section */
.hero-section {
  padding: 3.2rem 0 2.8rem;
  background: radial-gradient(circle at top right, rgba(217, 119, 6, 0.15), transparent 55%),
              linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.kicker {
  display: inline-block;
  background-color: rgba(245, 158, 11, 0.15);
  border-left: 4px solid var(--accent-gold);
  color: var(--accent-amber);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.8rem;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  line-height: 1.22;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.15rem;
}

.hero-title span {
  color: var(--accent-amber);
}

.hero-lead {
  font-size: 1.08rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-copper) 100%);
  color: #0b1120;
  font-weight: 800;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 0.98rem;
  text-decoration: none !important;
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.35);
}

.btn-secondary {
  display: inline-block;
  background-color: var(--bg-card);
  color: var(--text-main);
  font-weight: 700;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-gold);
  text-decoration: none !important;
  font-size: 0.98rem;
}

.btn-secondary:hover {
  background-color: var(--bg-elevated);
  color: var(--accent-amber);
}

.hero-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.meta-stat {
  background-color: rgba(30, 41, 59, 0.7);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.meta-stat strong {
  display: block;
  font-size: 1.15rem;
  color: var(--accent-amber);
}

.meta-stat span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* E-E-A-T Author & Reviewer Box */
.eeat-banner {
  background-color: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-lg);
}

.eeat-profile {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.eeat-profile img {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: 2px solid var(--accent-gold);
  object-fit: cover;
}

.eeat-info h4 {
  font-size: 0.98rem;
  color: #ffffff;
  margin-bottom: 0.15rem;
}

.eeat-info p {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin: 0;
}

.eeat-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.eeat-tag {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--accent-blue);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Main Content Layout (2 Columns on Pillar Article) */
.content-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  padding: 2.5rem 0 4rem;
  align-items: start;
}

.toc-sidebar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  position: sticky;
  top: 90px;
}

.toc-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--accent-amber);
  margin-bottom: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.toc-list a {
  color: var(--text-muted);
  font-size: 0.88rem;
  display: block;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  border-left: 2px solid transparent;
}

.toc-list a:hover {
  background-color: var(--bg-elevated);
  color: var(--accent-amber);
  border-left-color: var(--accent-gold);
  text-decoration: none;
}

/* Article Body Styling */
.article-main {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.article-main h2 {
  font-size: 1.65rem;
  color: #ffffff;
  margin: 2.4rem 0 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--border-gold);
  line-height: 1.3;
}

.article-main h2:first-of-type {
  margin-top: 0;
}

.article-main h3 {
  font-size: 1.28rem;
  color: var(--accent-amber);
  margin: 1.75rem 0 0.75rem;
}

.article-main p {
  margin-bottom: 1.2rem;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.article-main ul, .article-main ol {
  margin: 0 0 1.4rem 1.4rem;
  color: var(--text-muted);
}

.article-main li {
  margin-bottom: 0.6rem;
}

.article-main li strong {
  color: var(--text-main);
}

.figure-card {
  margin: 1.8rem 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
}

.figure-card figcaption {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 0.65rem;
  padding: 0 0.4rem;
  font-style: italic;
}

/* Callout Boxes */
.callout-box {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(30, 41, 59, 0.9) 100%);
  border-left: 5px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  margin: 1.75rem 0;
}

.callout-box h4 {
  color: var(--accent-amber);
  font-size: 1.08rem;
  margin-bottom: 0.45rem;
}

.callout-box p {
  margin-bottom: 0;
  font-size: 0.96rem;
}

/* Data Tables */
.table-responsive {
  overflow-x: auto;
  margin: 1.6rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-primary);
  font-size: 0.93rem;
}

.tech-table th {
  background-color: var(--bg-card);
  color: var(--accent-amber);
  text-align: left;
  padding: 0.9rem 1rem;
  border-bottom: 2px solid var(--accent-copper);
  font-weight: 700;
}

.tech-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.tech-table tr:nth-child(even) td {
  background-color: rgba(30, 41, 59, 0.45);
}

/* Interactive Calculator Widget */
.calculator-widget {
  background-color: var(--bg-card);
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin: 2rem 0;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin: 1.2rem 0;
}

.calc-field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.calc-field select, .calc-field input {
  width: 100%;
  padding: 0.65rem 0.8rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
}

.calc-result {
  background-color: var(--bg-primary);
  border: 1px solid var(--accent-blue);
  padding: 1.1rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
}

.calc-result strong {
  color: var(--accent-amber);
  font-size: 1.2rem;
}

/* Grid Cards Section */
.section-block {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 2.5rem;
}

.section-header h2 {
  font-size: 2rem;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.6rem;
}

.info-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

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

.info-card h3 {
  color: var(--accent-amber);
  font-size: 1.22rem;
  margin-bottom: 0.7rem;
}

/* FAQ Accordion */
.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 0.85rem;
  padding: 1.1rem 1.35rem;
}

.faq-question {
  font-weight: 700;
  color: #ffffff;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.96rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
}

/* Footer */
.site-footer {
  background-color: #070b14;
  border-top: 3px solid var(--accent-copper);
  padding: 3.5rem 0 2rem;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col h4 {
  color: var(--accent-amber);
  font-size: 1.05rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

.footer-col ul li {
  margin-bottom: 0.55rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.84rem;
}

/* Responsive Media Queries */
@media (max-width: 960px) {
  .hero-grid, .content-layout, .footer-grid {
    grid-template-columns: 1fr;
  }
  .toc-sidebar {
    position: static;
  }
  .article-main {
    padding: 1.5rem;
  }
}

@media (max-width: 600px) {
  .hero-meta-grid {
    grid-template-columns: 1fr;
  }
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}