/* RESET & FOUNDATION */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #0A2540;
  --color-secondary: #0E7490;
  --color-accent: #009EBC;
  --color-accent-light: #e0f7fa;
  --color-bg: #F4FAFC;
  --color-surface: #FFFFFF;
  --color-text: #0A2540;
  --color-text-muted: #526B82;
  --color-border: #D1E5EE;
  --color-border-subtle: #E6F0F5;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --container-max: 1320px;
  --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.05);
  --shadow-md: 0 4px 14px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 10px 30px rgba(10, 37, 64, 0.12);
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

/* SLIM ULTRA-RESPONSIVE HEADER (NON-STICKY) */
.site-header {
  position: static;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: 60px;
  width: 100%;
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
}

.brand-icon {
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.brand-name {
  color: var(--color-primary);
  letter-spacing: -0.2px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-indicator {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-secondary);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background: #10B981;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--color-primary);
  margin: 3px 0;
}

/* MOBILE OVERLAY */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 37, 64, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
}

.mobile-overlay.active {
  display: block;
}

.mobile-menu-inner {
  background: var(--color-surface);
  width: 85%;
  max-width: 380px;
  height: 100%;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
}

.mobile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.close-btn {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--color-text);
  cursor: pointer;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
}

.mobile-nav a.active {
  color: var(--color-secondary);
  font-weight: 700;
}

/* HERO SECTION - SPLIT SCREEN 50/50 */
.split-hero {
  padding: 60px 0 50px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.sys-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 38px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.8px;
  color: var(--color-primary);
  margin-bottom: 18px;
}

.hero-desc {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}

.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 16px;
  border-radius: var(--radius-lg);
}

.metric-box {
  display: flex;
  flex-direction: column;
}

.m-val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
}

.m-lbl {
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.hero-cta-row {
  display: flex;
  gap: 14px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  transition: all 0.15s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: #11385f;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: #eef6f9;
  border-color: var(--color-secondary);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}

.btn-accent:hover {
  background: #008ba6;
}

.btn-card {
  background: var(--color-accent-light);
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 13px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.btn-card:hover {
  background: var(--color-secondary);
  color: #fff;
}

.btn-outline-sm {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.btn-primary-sm {
  background: var(--color-primary);
  color: #fff;
  border: none;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* TERMINAL / HERO RIGHT */
.hero-terminal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.terminal-header {
  background: #e9f3f7;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--color-border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  margin-left: 10px;
}

.terminal-body {
  padding: 18px 20px;
  background: #0f172a;
  color: #38bdf8;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto;
}

.terminal-image-container {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.terminal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-overlay-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(10, 37, 64, 0.85);
  backdrop-filter: blur(4px);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
}

/* SECTION BLOCKS */
.section-block {
  padding: 70px 0;
}

.border-top {
  border-top: 1px solid var(--color-border);
}

.bg-surface {
  background-color: var(--color-surface);
}

.bg-primary {
  background-color: var(--color-primary);
}

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

.section-pre {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-secondary);
  display: block;
  margin-bottom: 6px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.section-sub {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 680px;
}

/* PILLARS GRID */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 24px;
  border-radius: var(--radius-lg);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.pillar-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-secondary);
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 12px;
}

.pillar-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--color-primary);
}

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

/* NOVEL CARD ARCHITECTURE: HORIZONTAL SPLIT-CARD */
.card-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.split-card {
  display: grid;
  grid-template-columns: 360px 1fr;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.split-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.card-media {
  position: relative;
  height: 100%;
  min-height: 240px;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-media-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
}

.card-content {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-secondary);
  background: var(--color-accent-light);
  padding: 3px 8px;
  border-radius: 4px;
}

.card-stat {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
}

.card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.card-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 18px;
  line-height: 1.6;
}

.card-data-specs {
  display: flex;
  gap: 24px;
  padding: 12px 0;
  border-top: 1px dashed var(--color-border);
  border-bottom: 1px dashed var(--color-border);
  margin-bottom: 18px;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-item .lbl {
  font-size: 10px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.spec-item .val {
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-primary);
}

.card-footer {
  display: flex;
  justify-content: flex-start;
}

/* DATA TABLE */
.table-responsive {
  overflow-x: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.doc-table th, .doc-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.doc-table th {
  background: #f1f8fa;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.badge-positive {
  display: inline-block;
  background: #dcfce7;
  color: #15803d;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

/* NEWSLETTER */
.newsletter-box {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
}

.text-white { color: #fff; }
.text-white h2 { color: #fff; margin-bottom: 8px; font-size: 24px; }
.text-white p { color: #94a3b8; font-size: 14px; }
.text-accent { color: var(--color-accent) !important; }

.newsletter-form {
  display: flex;
  gap: 10px;
}

.input-mono {
  flex: 1;
  background: #1e293b;
  border: 1px solid #334155;
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 13px;
}

.input-mono:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  right: 20px;
  left: 20px;
  max-width: 580px;
  margin-left: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 18px 22px;
  z-index: 999;
  display: none;
}

.cookie-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.cookie-text {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.cookie-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* FOOTER */
.site-footer {
  background: var(--color-primary);
  color: #e2e8f0;
  padding: 60px 0 30px 0;
  border-top: 3px solid var(--color-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .brand-icon {
  background: var(--color-accent);
}

.footer-brand .brand-name {
  color: #fff;
}

.footer-bio {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 14px;
  margin-bottom: 16px;
  line-height: 1.6;
}

.footer-detail {
  font-size: 12.5px;
  color: #cbd5e1;
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.footer-heading {
  color: #fff;
  font-size: 14px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13.5px;
  color: #94a3b8;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 12px;
  color: #64748b;
  text-align: center;
}

/* SUBPAGE TEMPLATE SPECIFICS */
.subpage-header {
  padding: 40px 0 30px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.subpage-content {
  padding: 50px 0;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
}

.article-body {
  font-size: 15.5px;
  line-height: 1.8;
  color: #1e293b;
}

.article-body h2 {
  font-size: 22px;
  color: var(--color-primary);
  margin: 32px 0 16px 0;
}

.article-body h3 {
  font-size: 18px;
  color: var(--color-primary);
  margin: 24px 0 12px 0;
}

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

.article-body ul {
  margin-bottom: 20px;
  padding-left: 20px;
}

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

.sidebar-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text);
  margin-bottom: 6px;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  background: #fff;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-secondary);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* RESPONSIVENESS */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .split-card {
    grid-template-columns: 280px 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .desktop-nav, .status-indicator {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .split-card {
    grid-template-columns: 1fr;
  }
  .card-media {
    min-height: 200px;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-box {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}