/* ==========================================================================
   Q-DASH Custom Software, ERP, CRM & Systems Platform (custom-systems-pillar-os.css)
   Palette: Deep Terminal Blueprint Navy (#0B132B), Sapphire (#3A86FF), Neon Teal (#00F5D4), Coral Accent (#FF006E)
   Standard: Master UI Standard v7.5 - Architectural Schematics, Live Database Explorer, Custom Scope Estimator
   ========================================================================== */

:root {
  --qd-sys-dark: #0B132B;
  --qd-sys-navy: #1C2541;
  --qd-sys-surface: #243356;
  --qd-sys-card-bg: #FFFFFF;
  --qd-sys-blue: #3A86FF;
  --qd-sys-teal: #00F5D4;
  --qd-sys-indigo: #4361EE;
  --qd-sys-emerald: #10B981;
  --qd-sys-amber: #F59E0B;
  --qd-sys-coral: #FF006E;
  --qd-sys-border: rgba(11, 19, 43, 0.08);
  --qd-sys-border-dark: rgba(255, 255, 255, 0.1);
  --qd-sys-text: #0B132B;
  --qd-sys-text-muted: #5B6B8A;
  --qd-sys-shadow: 0 10px 30px -5px rgba(11, 19, 43, 0.08);
  --qd-sys-dark-shadow: 0 20px 40px -10px rgba(11, 19, 43, 0.45);
}

.sys-os-wrapper {
  background: #F4F7FB;
  color: var(--qd-sys-text);
  overflow-x: hidden;
}

/* Badge / Pill */
.sys-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(58, 134, 255, 0.12);
  color: var(--qd-sys-blue);
  border: 1px solid rgba(58, 134, 255, 0.3);
  padding: 6px 16px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.sys-highlight {
  color: var(--qd-sys-blue);
  position: relative;
}

/* Hero Section */
.sys-hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.sys-hero-content h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--qd-sys-dark);
  margin: 0 0 20px 0;
}

.sys-hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--qd-sys-text-muted);
  margin: 0 0 28px 0;
}

.sys-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.sys-chip-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid rgba(11, 19, 43, 0.1);
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  color: #243356;
  box-shadow: 0 2px 6px rgba(0,0,0,0.03);
}

.sys-chip-item i {
  color: var(--qd-sys-blue);
}

/* Primary and Secondary CTA Buttons */
.sys-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--qd-sys-blue);
  color: #FFFFFF !important;
  font-size: 15px;
  font-weight: 800;
  padding: 14px 28px;
  border-radius: 14px;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 10px 25px -5px rgba(58, 134, 255, 0.4);
}

.sys-btn-primary:hover {
  background: #2563EB;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -5px rgba(58, 134, 255, 0.5);
}

.sys-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #FFFFFF;
  color: var(--qd-sys-dark) !important;
  border: 1px solid var(--qd-sys-border);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: 14px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.sys-btn-secondary:hover {
  background: #EBF1FA;
  border-color: rgba(11, 19, 43, 0.2);
}

/* Visual Architecture Blueprint Terminal */
.sys-blueprint-terminal {
  background: var(--qd-sys-dark);
  border: 1px solid var(--qd-sys-border-dark);
  border-radius: 24px;
  padding: 24px;
  color: #FFFFFF;
  box-shadow: var(--qd-sys-dark-shadow);
  position: relative;
  overflow: hidden;
}

.sys-blueprint-terminal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3A86FF, #00F5D4, #FF006E);
}

.sys-term-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.sys-term-dots {
  display: flex;
  gap: 6px;
}

.sys-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.sys-dot.red { background: #FF006E; }
.sys-dot.yellow { background: #F59E0B; }
.sys-dot.green { background: #00F5D4; }

.sys-term-title {
  font-size: 12px;
  font-weight: 800;
  color: #93C5FD;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sys-pulse-dot {
  width: 8px;
  height: 8px;
  background: #00F5D4;
  border-radius: 50%;
  box-shadow: 0 0 10px #00F5D4;
  animation: pulse-sys 2s infinite;
}

@keyframes pulse-sys {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Architecture Node Components */
.sys-arch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.sys-arch-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 14px;
  transition: all 0.25s ease;
}

.sys-arch-box:hover, .sys-arch-box.active {
  background: rgba(58, 134, 255, 0.12);
  border-color: rgba(58, 134, 255, 0.4);
}

.sys-arch-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.sys-arch-header i {
  color: var(--qd-sys-teal);
}

.sys-arch-meta {
  font-size: 11px;
  color: #94A3B8;
  line-height: 1.4;
}

/* Section Header Shared */
.sys-section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 40px auto;
}

.sys-section-title {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  color: var(--qd-sys-dark);
  margin: 0 0 14px 0;
  line-height: 1.3;
}

.sys-section-subtitle {
  font-size: 15px;
  color: var(--qd-sys-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* 32-Scenario Friction Matrix Tabs & Grid */
.sys-scanner-box {
  background: #FFFFFF;
  border: 1px solid var(--qd-sys-border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--qd-sys-shadow);
}

.sys-scanner-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid #E2E8F0;
  padding-bottom: 18px;
  margin-bottom: 24px;
}

.sys-scanner-tab {
  background: #EDF2F9;
  border: none;
  padding: 10px 18px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 800;
  color: #334E68;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.sys-scanner-tab:hover {
  background: #DCE5F2;
  color: #0B132B;
}

.sys-scanner-tab.active {
  background: var(--qd-sys-blue);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(58, 134, 255, 0.25);
}

.sys-scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.sys-scenario-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 18px;
  padding: 22px;
  position: relative;
  transition: all 0.25s ease;
}

.sys-scenario-card:hover {
  transform: translateY(-3px);
  border-color: var(--qd-sys-blue);
  background: #FFFFFF;
  box-shadow: 0 10px 25px rgba(0,0,0,0.06);
}

.sys-scenario-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.sys-scenario-badge.high {
  background: #FEE2E2;
  color: #DC2626;
}

.sys-scenario-badge.medium {
  background: #FEF3C7;
  color: #D97706;
}

.sys-scenario-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--qd-sys-dark);
  margin: 0 0 10px 0;
  line-height: 1.4;
}

.sys-scenario-desc {
  font-size: 13px;
  color: #5B6B8A;
  line-height: 1.6;
  margin: 0 0 14px 0;
}

.sys-scenario-fix {
  background: #EFF6FF;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  color: #1E40AF;
  line-height: 1.5;
  font-weight: 600;
}

/* Custom Advantage Grid (3 Pillars) */
.sys-pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.sys-pillars-card {
  background: #FFFFFF;
  border: 1px solid var(--qd-sys-border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--qd-sys-shadow);
  transition: all 0.25s ease;
}

.sys-pillars-card:hover {
  transform: translateY(-3px);
  border-color: var(--qd-sys-blue);
}

.sys-pillars-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(58, 134, 255, 0.12);
  color: var(--qd-sys-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.sys-pillars-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--qd-sys-dark);
  margin: 0 0 12px 0;
}

.sys-pillars-card p {
  font-size: 14px;
  color: var(--qd-sys-text-muted);
  line-height: 1.6;
  margin: 0 0 18px 0;
}

.sys-pillars-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sys-pillars-points li {
  font-size: 13px;
  color: #243356;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.sys-pillars-points li i {
  color: var(--qd-sys-blue);
}

/* Diagnostic Telemetry Grid */
.sys-diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.sys-diag-card {
  background: #FFFFFF;
  border: 1px solid var(--qd-sys-border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--qd-sys-shadow);
}

.sys-diag-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 800;
  color: #5B6B8A;
  margin-bottom: 12px;
}

.sys-diag-val {
  font-size: 26px;
  font-weight: 900;
  color: var(--qd-sys-dark);
  margin-bottom: 8px;
}

.sys-diag-bar {
  height: 8px;
  background: #E2E8F0;
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 10px;
}

.sys-diag-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, #3A86FF, #00F5D4);
}

.sys-diag-sub {
  font-size: 12px;
  color: #8295B5;
  line-height: 1.4;
}

/* 5-Layer Stack */
.sys-stack-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.sys-stack-layer {
  background: #FFFFFF;
  border: 1px solid var(--qd-sys-border);
  border-radius: 16px;
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 80px 1.5fr 1fr;
  gap: 20px;
  align-items: center;
  box-shadow: var(--qd-sys-shadow);
}

.sys-layer-num {
  font-size: 18px;
  font-weight: 900;
  color: var(--qd-sys-blue);
  background: rgba(58, 134, 255, 0.12);
  padding: 8px 12px;
  border-radius: 10px;
  text-align: center;
}

.sys-layer-info h4 {
  font-size: 16px;
  font-weight: 800;
  color: var(--qd-sys-dark);
  margin: 0 0 6px 0;
}

.sys-layer-info p {
  font-size: 13px;
  color: var(--qd-sys-text-muted);
  margin: 0;
  line-height: 1.5;
}

.sys-layer-kpi {
  font-size: 12px;
  font-weight: 700;
  color: #1D4ED8;
  background: #EFF6FF;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid rgba(58, 134, 255, 0.2);
  text-align: center;
}

/* Interactive Scope & Phase Estimator */
.sys-calc-box {
  background: var(--qd-sys-dark);
  border: 1px solid var(--qd-sys-border-dark);
  border-radius: 24px;
  padding: 36px;
  color: #FFFFFF;
  box-shadow: var(--qd-sys-dark-shadow);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.sys-calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sys-input-group label {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: #BFDBFE;
  margin-bottom: 8px;
}

.sys-select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 700;
  outline: none;
}

.sys-select option {
  background: #0B132B;
  color: #FFFFFF;
}

.sys-calc-results {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 28px;
  text-align: center;
}

.sys-result-val {
  font-size: 32px;
  font-weight: 900;
  color: #00F5D4;
  margin: 10px 0;
}

/* Responsive */
@media (max-width: 992px) {
  .sys-hero-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .sys-calc-box {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .sys-arch-grid {
    grid-template-columns: 1fr;
  }
  .sys-stack-layer {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .sys-layer-num {
    text-align: start;
    display: inline-block;
  }
}

@media (max-width: 600px) {
  .sys-scanner-box {
    padding: 20px 16px;
  }
  .sys-calc-box {
    padding: 24px 18px;
  }
}