:root {
  --bg-main: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-card: #ffffff;
  --bg-hover: #f1f5f9;
  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent-blue: #2563eb;
  --accent-blue-light: #eff6ff;
  --accent-green: #059669;
  --accent-green-light: #ecfdf5;
  --accent-red: #dc2626;
  --accent-red-light: #fef2f2;
  --accent-amber: #d97706;
  --accent-amber-light: #fffbeb;
  --accent-purple: #7c3aed;
  --accent-purple-light: #f5f3ff;
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

body {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.5;
  padding-bottom: 60px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Executive Header */
.exec-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.exec-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.exec-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 3-Presentation Format Nav Tabs */
.presentation-switcher-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-subtle);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.switcher-nav-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 700;
  padding: 0 6px;
}

.nav-tab {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-weight: 600;
  transition: all 0.15s ease;
}

.nav-tab:hover {
  background: #ffffff;
  color: var(--accent-blue);
  box-shadow: var(--shadow-sm);
}

.nav-tab.active {
  background: #ffffff;
  color: var(--accent-blue);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

/* Hero Switcher Box */
.hero-switcher-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 16px 20px;
  border-radius: 12px;
  margin-top: 24px;
  box-shadow: var(--shadow-sm);
}

.box-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.box-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-tab {
  text-decoration: none;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: all 0.15s ease;
}

.btn-tab:hover {
  background: var(--accent-blue-light);
  color: var(--accent-blue);
  border-color: rgba(37, 99, 235, 0.3);
}

.btn-tab.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #0f172a;
}

.confidential-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--accent-red-light);
  color: var(--accent-red);
  border: 1px solid rgba(220, 38, 38, 0.2);
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 700;
}

.meeting-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.meeting-tag strong {
  color: var(--accent-blue);
}

/* Dashboard Container */
.main-dashboard {
  padding-top: 36px;
}

.dashboard-header {
  margin-bottom: 36px;
}

.badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.badge-row span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 6px;
  font-weight: 600;
}

.tag-cyan { background: var(--accent-blue-light); color: var(--accent-blue); border: 1px solid rgba(37, 99, 235, 0.2); }
.tag-purple { background: var(--accent-purple-light); color: var(--accent-purple); border: 1px solid rgba(124, 58, 237, 0.2); }
.tag-green { background: var(--accent-green-light); color: var(--accent-green); border: 1px solid rgba(5, 150, 105, 0.2); }

.dash-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.15;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.dash-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 920px;
}

/* KPI Summary Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.kpi-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.kpi-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  font-weight: 600;
}

.kpi-value {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 4px;
  line-height: 1;
}

.highlight-cyan .kpi-value { color: var(--accent-blue); }
.highlight-green .kpi-value { color: var(--accent-green); }
.highlight-yellow .kpi-value { color: var(--accent-amber); }
.highlight-red .kpi-value { color: var(--accent-red); }

.kpi-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Dashboard Sections */
.dash-section {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 36px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title-row h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #0f172a;
}

.section-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 700;
}

.badge-red { background: var(--accent-red-light); color: var(--accent-red); border: 1px solid rgba(220, 38, 38, 0.2); }
.badge-green { background: var(--accent-green-light); color: var(--accent-green); border: 1px solid rgba(5, 150, 105, 0.2); }
.badge-cyan { background: var(--accent-blue-light); color: var(--accent-blue); border: 1px solid rgba(37, 99, 235, 0.2); }
.badge-purple { background: var(--accent-purple-light); color: var(--accent-purple); border: 1px solid rgba(124, 58, 237, 0.2); }

.section-intro {
  color: var(--text-secondary);
  font-size: 1.02rem;
  margin-bottom: 24px;
}

/* Impact Data Table */
.impact-table-wrapper {
  overflow-x: auto;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.impact-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.impact-table th {
  background: var(--bg-subtle);
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-weight: 700;
}

.impact-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

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

.val-green { color: var(--accent-green); font-weight: 700; font-family: var(--font-mono); }
.val-red { color: var(--accent-red); font-weight: 700; font-family: var(--font-mono); }
.val-yellow { color: var(--accent-amber); font-weight: 700; }

.action-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 12px;
}

.action-box h4 {
  color: var(--accent-blue);
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.action-box ul {
  padding-left: 20px;
  color: var(--text-secondary);
}

.action-box li {
  margin-bottom: 8px;
}

/* Financial TCO Simulator */
.tco-dashboard {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 28px;
  border-radius: 14px;
}

.slider-control {
  margin-bottom: 28px;
  background: #ffffff;
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.slider-control label {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #0f172a;
}

.slider-control span {
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 1.35rem;
}

input[type="range"] {
  width: 100%;
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  outline: none;
  accent-color: var(--accent-blue);
}

.tco-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.tco-col {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 28px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.intelligential-box {
  border: 2px solid var(--accent-green);
  background: #ffffff;
}

.col-header {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-green);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.dynamicore-box .col-header {
  color: var(--accent-red);
}

.col-price {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #0f172a;
  margin: 8px 0 2px;
}

.col-price-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.col-breakdown {
  list-style: none;
}

.col-breakdown li {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.col-breakdown strong {
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.text-green { color: var(--accent-green) !important; }
.text-red { color: var(--accent-red) !important; }

.savings-banner {
  background: var(--accent-green-light);
  border: 1px solid rgba(5, 150, 105, 0.3);
  padding: 20px 24px;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.savings-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--accent-green);
}

.savings-val {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-green);
}

.savings-pct {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 800;
}

/* Pillars Container */
.pillars-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.p-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 12px;
}

.p-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-blue);
  background: var(--accent-blue-light);
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
  font-weight: 700;
}

.p-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #0f172a;
}

.p-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.allies-wrapper {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 20px 24px;
  border-radius: 12px;
}

.allies-wrapper h4 {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-weight: 700;
}

.allies-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Roadmap Grid */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.road-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 12px;
}

.road-month {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-purple);
  background: var(--accent-purple-light);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  font-weight: 700;
}

.road-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: #0f172a;
}

.road-card ul {
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.road-card li {
  margin-bottom: 8px;
}

/* Footer */
.exec-footer {
  text-align: center;
  padding: 28px 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
  background: #ffffff;
}

@media (max-width: 768px) {
  .dash-title { font-size: 1.9rem; }
  .tco-comparison-grid { grid-template-columns: 1fr; }
  .exec-header-flex { flex-direction: column; gap: 8px; }
}