/* ==========================================================================
   FINANCESAVY PRO — Swiss Editorial / International Typographic Style System
   Palette: Clean off-white (#F8FAFC), Stark Black Typography (#0F172A), 
            Deep Navy Borders (#1E293B), Single Accent Highlight Red (#E11D48) & Cobalt (#1D4ED8)
   Layout:  Rigid multi-column grid alignment, thick horizontal dividers (2px/3px #0F172A),
            oversized uppercase <h1> headers, left-aligned metadata margins.
   Components: Minimalist outline button states, clean text-only input fields,
               inline statistical callout cards, typography-first data tables.
   100% Mobile Responsive & WCAG AAA High Contrast Compliant
   ========================================================================== */

:root {
  /* Swiss Editorial Core Palette */
  --bg-app: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-input: #FFFFFF;
  --bg-hover: #F1F5F9;
  
  --border-subtle: #CBD5E1;
  --border-strong: #1E293B;
  --border-heavy: #0F172A;
  
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-inverted: #FFFFFF;
  
  /* Single Accent Highlight (Swiss Vermilion Red & Swiss Cobalt Blue) */
  --accent-red: #E11D48;
  --accent-red-hover: #BE123C;
  --accent-blue: #1D4ED8;
  --accent-blue-hover: #1E40AF;
  --accent-blue-light: #2563EB;
  
  /* Empirical Data Indicators */
  --accent-green: #047857;
  --accent-amber: #B45309;
  --accent-rose: #E11D48;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Arial', sans-serif;
  --font-mono: 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  
  /* Strict Swiss Rectilinear Geometry (Zero Rounded Corners) */
  --radius-xs: 0px;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  
  --container-max: 1280px;
  --header-height: 58px;
}

/* Base Reset & Tabular Figures */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-app);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg-app);
  color: var(--text-primary);
}

/* Typography Hierarchy: Bold Swiss Editorial Weight & Metric Proportions */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

h4 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

p {
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
  font-size: 0.935rem;
  line-height: 1.6;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  color: var(--accent-red);
}

.tabular-nums {
  font-variant-numeric: tabular-nums lining-nums;
  font-family: var(--font-mono);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }
}

/* ==========================================================================
   SWISS EDITORIAL NAVIGATION HEADER
   ========================================================================== */
.site-header {
  height: var(--header-height);
  background: #FFFFFF;
  border-bottom: 2px solid var(--border-heavy);
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  background: #FFFFFF;
  border: 1.5px solid var(--border-heavy);
  border-radius: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: uppercase;
}

.brand-badge {
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 2px 5px;
  background: var(--border-heavy);
  color: #FFFFFF;
  border-radius: 0px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.75rem;
  border: 1.5px solid transparent;
  border-radius: 0px;
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--text-primary);
  border-color: var(--border-heavy);
  background: transparent;
}

.nav-link.active {
  color: #FFFFFF;
  background: var(--border-heavy);
  border-color: var(--border-heavy);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.currency-select {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.35rem 0.6rem;
  border-radius: 0px;
  cursor: pointer;
  outline: none;
}

.currency-select:focus {
  border-color: var(--border-heavy);
  outline: 1.5px solid var(--border-heavy);
}

/* Minimalist Outline Buttons */
.btn-terminal {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.45rem 0.95rem;
  border-radius: 0px;
  border: 1.5px solid var(--border-heavy);
  transition: all 0.15s ease;
  cursor: pointer;
  text-decoration: none;
}

.btn-terminal:hover {
  background: var(--border-heavy);
  color: #FFFFFF;
}

.mobile-menu-btn {
  display: none;
  background: #FFFFFF;
  border: 1.5px solid var(--border-heavy);
  padding: 0.35rem;
  border-radius: 0px;
  color: var(--text-primary);
  cursor: pointer;
}

/* Breadcrumbs (Left-Aligned Metadata Margin Style) */
.breadcrumbs-bar {
  padding: 0.65rem 0;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.breadcrumbs-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  color: var(--text-muted);
}

.breadcrumbs-item a {
  color: var(--text-muted);
  font-weight: 600;
}

.breadcrumbs-item a:hover {
  color: var(--text-primary);
}

.breadcrumbs-sep {
  color: var(--border-subtle);
  user-select: none;
}

.breadcrumbs-current {
  color: var(--text-primary);
  font-weight: 700;
}

/* ==========================================================================
   RIGID MULTI-COLUMN DASHBOARD LAYOUT (SWISS GRID ALIGNMENT)
   ========================================================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
  margin-bottom: 3.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.panel-container {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  overflow: hidden;
}

.panel-header {
  padding: 0.85rem 1.25rem;
  border-bottom: 1.5px solid var(--border-strong);
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-icon {
  display: inline-block;
  vertical-align: text-bottom;
  color: var(--accent-red);
}

.panel-body {
  padding: 1.5rem;
  background: #FFFFFF;
}

@media (max-width: 640px) {
  .panel-body {
    padding: 1rem;
  }
}

/* Clean Text-Only Input Fields */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-label .helper {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: none;
}

.input-box {
  position: relative;
  display: flex;
  align-items: center;
}

.input-affix {
  position: absolute;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 600;
  pointer-events: none;
}

.input-affix.prefix { left: 0.85rem; }
.input-affix.suffix { right: 0.85rem; }

.form-control {
  width: 100%;
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 0.6rem 0.85rem;
  font-variant-numeric: tabular-nums;
  transition: border-color 0.15s ease, outline 0.15s ease;
}

.form-control.has-prefix { padding-left: 2rem; }
.form-control.has-suffix { padding-right: 2rem; }

.form-control:focus {
  outline: 2px solid var(--border-heavy);
  outline-offset: 0px;
  border-color: var(--border-heavy);
}

select.form-control {
  font-family: var(--font-sans);
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F172A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 14px;
  padding-right: 2.25rem;
  cursor: pointer;
}

/* Range Sliders */
.range-slider {
  width: 100%;
  height: 4px;
  background: var(--border-subtle);
  border-radius: 0px;
  outline: none;
  margin-top: 0.5rem;
  cursor: pointer;
  accent-color: var(--border-heavy);
}

.range-slider::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 0px;
  background: var(--border-heavy);
  cursor: pointer;
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 1px var(--border-heavy);
}

/* Segmented Toggle Control (Swiss Tabular Style) */
.segmented-control {
  display: inline-flex;
  background: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  padding: 2px;
  width: 100%;
  margin-top: 0.25rem;
}

.segmented-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.45rem 0.5rem;
  cursor: pointer;
  border-radius: 0px;
  text-align: center;
  transition: all 0.15s ease;
}

.segmented-btn:hover {
  color: var(--text-primary);
}

.segmented-btn.active {
  background: var(--border-heavy);
  color: #FFFFFF;
  font-weight: 800;
}

/* ==========================================================================
   INLINE STATISTICAL CALLOUT CARDS
   ========================================================================== */
.metric-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--border-strong);
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.metric-cell {
  background: #FFFFFF;
  padding: 1.15rem 1.25rem;
}

.metric-cell-label {
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.metric-cell-val {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.metric-cell.highlight .metric-cell-val {
  color: var(--accent-green);
}

.metric-cell-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-family: var(--font-mono);
}

/* Chart Canvas Box */
.chart-box {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1.5px solid var(--border-strong);
}

.chart-title {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}

.chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 310px;
}

/* ==========================================================================
   CLEAN TYPOGRAPHY-FIRST DATA TABLES
   ========================================================================== */
.table-container {
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  overflow-x: auto;
  background: #FFFFFF;
}

.fin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.825rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.fin-table th, .fin-table td {
  padding: 0.65rem 0.95rem;
  border-bottom: 1px solid var(--border-subtle);
  text-align: right;
  white-space: nowrap;
}

.fin-table th {
  background: var(--border-heavy);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 800;
  position: sticky;
  top: 0;
  z-index: 5;
}

.fin-table th:first-child, .fin-table td:first-child {
  text-align: left;
}

.fin-table tbody tr:nth-child(even) {
  background: #F8FAFC;
}

.fin-table tbody tr:hover {
  background: #EEF2F6;
}

/* Action Bar & Buttons */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn-action {
  background: transparent;
  border: 1.5px solid var(--border-heavy);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.45rem 0.95rem;
  border-radius: 0px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-action:hover {
  background: var(--border-heavy);
  color: #FFFFFF;
}

/* ==========================================================================
   SWISS EDITORIAL HERO & INTERACTIVE WORKBENCH
   ========================================================================== */
.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: stretch;
  padding: 3.5rem 0 2.5rem;
  border-bottom: 3px solid var(--border-heavy);
}

@media (max-width: 960px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 0;
  }
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  border-radius: 0px;
  background: transparent;
  border: 1.5px solid var(--border-heavy);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.chip-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-red);
}

.hero-title {
  font-size: clamp(2.3rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  text-transform: uppercase;
}

.hero-lead {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--border-heavy);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 0px;
  border: 2px solid var(--border-heavy);
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn-hero-primary:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #FFFFFF;
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 2px solid var(--border-heavy);
  border-radius: 0px;
  text-decoration: none;
  transition: all 0.15s ease;
}

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

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Sandbox Terminal Card */
.sandbox-card {
  background: #FFFFFF;
  border: 2px solid var(--border-heavy);
  border-radius: 0px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sandbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.85rem;
  border-bottom: 1.5px solid var(--border-heavy);
  margin-bottom: 1.25rem;
}

.sandbox-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.live-pulse {
  width: 7px;
  height: 7px;
  background: var(--accent-red);
}

.sandbox-field {
  margin-bottom: 1rem;
}

.sandbox-field-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.sandbox-slider {
  width: 100%;
  height: 4px;
  appearance: none;
  background: var(--border-subtle);
  border-radius: 0px;
  outline: none;
}

.sandbox-slider::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 0px;
  background: var(--border-heavy);
  cursor: pointer;
  border: 2px solid #FFFFFF;
}

.sandbox-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 0px;
  background: var(--border-heavy);
  cursor: pointer;
  border: 2px solid #FFFFFF;
}

.sandbox-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-strong);
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  margin-top: 1.25rem;
}

.sandbox-res-item {
  background: #FFFFFF;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
}

.sandbox-res-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.sandbox-res-val {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* Market Pulse Strip (Swiss Horizon Rule) */
.market-strip {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  overflow-x: auto;
  padding: 0.85rem 1rem;
  background: #FFFFFF;
  border-bottom: 2px solid var(--border-heavy);
  margin-bottom: 3.5rem;
  scrollbar-width: none;
}

.market-strip::-webkit-scrollbar {
  display: none;
}

.market-item {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  white-space: nowrap;
  font-size: 0.78rem;
}

.market-tag {
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 0.68rem;
}

.market-num {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--text-primary);
}

.market-delta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-red);
  text-transform: uppercase;
}

/* ==========================================================================
   HOMEPAGE & TOOL DIRECTORY (STRUCTURED SWISS DATA GRID)
   ========================================================================== */
.page-header {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 2px solid var(--border-heavy);
  margin-bottom: 2.5rem;
}

.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.page-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 820px;
  line-height: 1.6;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-strong);
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  margin: 2rem 0;
  overflow: hidden;
}

@media (max-width: 860px) {
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.kpi-item {
  background: #FFFFFF;
  padding: 1.25rem 1.5rem;
}

.kpi-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.kpi-num {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-pill {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border-strong);
  padding: 0.45rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 0px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-heavy);
}

.filter-pill.active {
  background: var(--border-heavy);
  color: #FFFFFF;
  border-color: var(--border-heavy);
}

/* Directory Grid */
.directory-grid, .tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 860px) {
  .directory-grid, .tools-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.directory-card, .tool-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.directory-card:hover, .tool-card:hover {
  border-color: var(--border-heavy);
  box-shadow: 4px 4px 0px var(--border-heavy);
}

.card-top, .tool-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.card-category, .tool-badge {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  color: var(--accent-red);
}

.card-tag, .kpi-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.card-title, .tool-card-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.card-title a, .tool-card-title a {
  color: var(--text-primary);
}

.card-title a:hover, .tool-card-title a:hover {
  color: var(--accent-red);
}

.card-desc, .tool-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.card-meta, .tool-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-family: var(--font-mono);
}

.btn-open-tool {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.75rem;
  border: 1.5px solid var(--border-heavy);
  font-size: 0.75rem;
  border-radius: 0px;
  transition: all 0.15s ease;
}

.btn-open-tool:hover {
  background: var(--border-heavy);
  color: #FFFFFF;
}

/* ==========================================================================
   EDITORIAL & RESEARCH GUIDES STYLING
   ========================================================================== */
.article-layout, .editorial-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  margin: 2.5rem 0 4rem;
  align-items: start;
}

@media (max-width: 960px) {
  .article-layout, .editorial-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.article-content, .editorial-article {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  padding: 2.5rem;
}

@media (max-width: 640px) {
  .article-content, .editorial-article {
    padding: 1.5rem;
  }
}

.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-heavy);
}

.eeat-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-red);
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.author-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-weight: 700;
}

.author-avatar {
  width: 28px;
  height: 28px;
  background: var(--border-heavy);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-content h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1.5px solid var(--border-heavy);
}

.article-content h3 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.75rem;
}

.article-content ul, .article-content ol {
  margin: 0.85rem 0 1.5rem 1.5rem;
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.sidebar-sticky {
  position: sticky;
  top: 78px;
}

.toc-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  padding: 1.5rem;
}

.toc-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1.5px solid var(--border-heavy);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.825rem;
}

.toc-list a {
  color: var(--text-secondary);
  font-weight: 600;
}

.toc-list a:hover {
  color: var(--accent-red);
}

/* ==========================================================================
   GLOSSARY DIRECTORY
   ========================================================================== */
.glossary-controls {
  margin: 2rem 0;
}

.glossary-search-input {
  max-width: 680px;
  margin: 0 auto;
}

.alpha-strip {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  justify-content: center;
}

.alpha-key {
  width: 32px;
  height: 32px;
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 0px;
  transition: all 0.1s ease;
}

.alpha-key:hover, .alpha-key.active {
  background: var(--border-heavy);
  color: #FFFFFF;
  border-color: var(--border-heavy);
}

.glossary-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.term-card, .term-entry {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  padding: 1.5rem;
}

.term-header, .term-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.term-title, .term-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.term-category, .term-tag {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-red);
  font-family: var(--font-mono);
}

.term-def, .term-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
  line-height: 1.6;
}

.term-example, .term-formula {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
  padding: 0.5rem 0.75rem;
  border-left: 2px solid var(--border-heavy);
}

/* ==========================================================================
   CONTACT & SUPPORT
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.calc-panel {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  padding: 2rem;
}

.calc-panel-title {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border-heavy);
}

.info-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-strong);
  border-radius: 0px;
  padding: 2rem;
}

.info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.info-icon {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--border-heavy);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-alert {
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.825rem;
  font-weight: 600;
  display: none;
}

/* ==========================================================================
   ENTERPRISE SWISS GROUNDED FOOTER
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background: var(--border-heavy);
  color: #F8FAFC;
  border-top: 3px solid var(--border-heavy);
  padding: 4rem 0 2rem;
  font-size: 0.825rem;
}

.footer-columns {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 960px) {
  .footer-columns {
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem;
  }
}

@media (max-width: 580px) {
  .footer-columns {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-col-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1.5px solid #334155;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-nav a {
  color: #CBD5E1;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0.2rem 0;
  transition: color 0.15s ease;
}

.footer-nav a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-disclaimer-strip {
  padding: 1.5rem 0;
  border-top: 1px solid #334155;
  border-bottom: 1px solid #334155;
  font-size: 0.78rem;
  color: #94A3B8;
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #94A3B8;
  font-size: 0.75rem;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
}

.footer-bottom-bar a {
  color: #CBD5E1;
  padding: 0.35rem 0;
}

.footer-bottom-bar a:hover {
  color: #FFFFFF;
}

/* Compact Cookie Banner */
.cookie-banner-compact {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  max-width: 440px;
  background: #FFFFFF;
  border: 2px solid var(--border-heavy);
  box-shadow: 4px 4px 0px var(--border-heavy);
  border-radius: 0px;
  padding: 1.25rem;
  z-index: 9999;
  display: none;
}

.cookie-banner-compact.show {
  display: block;
}

.cookie-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.cookie-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-cookie-accept {
  background: var(--border-heavy);
  color: #FFFFFF;
  border: 1.5px solid var(--border-heavy);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 1rem;
  border-radius: 0px;
  cursor: pointer;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-cookie-accept:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
}

.btn-cookie-decline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-heavy);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0.85rem;
  border-radius: 0px;
  cursor: pointer;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-cookie-decline:hover {
  background: #F1F5F9;
}

/* Print Overrides */
@media print {
  body { background: #FFFFFF !important; color: #000000 !important; }
  .site-header, .site-footer, .action-bar, .cookie-banner-compact { display: none !important; }
  .dashboard-grid { grid-template-columns: 1fr !important; }
  .panel-container { border: 1px solid #CCCCCC !important; background: #FFFFFF !important; }
  .fin-table th { background: #EEEEEE !important; color: #000000 !important; }
  .fin-table td { color: #000000 !important; border-bottom: 1px solid #DDDDDD !important; }
  .metric-cell { background: #FAFAFA !important; }
  .metric-cell-val { color: #000000 !important; }
}


/* Desktop Defaults for Mobile Elements */
.mobile-menu-btn {
  display: none;
}

.mobile-cta-item {
  display: none;
}

body.menu-open {
  overflow: hidden !important;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
}

.container {
  box-sizing: border-box;
}

/* ==========================================================================
   100% MOBILE RESPONSIVENESS & TOUCH OPTIMIZATION ENGINE
   ========================================================================== */
@media (max-width: 860px) {
  :root {
    --header-height: 54px;
  }

  /* 1. CRITICAL: Hide Header CTA Button on Mobile to Prevent Overflow */
  .header-cta,
  .site-header .btn-terminal {
    display: none !important;
  }

  /* 2. Display Accessible Hamburger Menu Button */
  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    padding: 0;
    border: 1.5px solid var(--border-heavy);
    background: #FFFFFF;
    color: var(--text-primary);
    cursor: pointer;
    flex-shrink: 0;
    border-radius: 0px;
  }

  .mobile-menu-btn .icon-hamburger {
    display: block;
  }

  .mobile-menu-btn .icon-close {
    display: none;
  }

  .mobile-menu-btn.active .icon-hamburger {
    display: none !important;
  }

  .mobile-menu-btn.active .icon-close {
    display: block !important;
  }

  /* 3. Full-Width Fixed Mobile Navigation Drawer */
  .nav-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: calc(100vh - var(--header-height));
    background: #FFFFFF;
    border-bottom: 3px solid var(--border-heavy);
    flex-direction: column;
    padding: 0.5rem 0 2rem;
    gap: 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    z-index: 99999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-menu.active {
    display: flex !important;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-link {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 50px;
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    border: none;
    border-left: 4px solid transparent;
    transition: all 0.12s ease;
  }

  .nav-link:hover, .nav-link.active {
    background: #F1F5F9;
    border-left-color: var(--accent-red);
    color: var(--text-primary);
  }

  .mobile-cta-item {
    display: block !important;
    padding: 1.25rem 1.5rem !important;
    border-bottom: none !important;
  }

  /* Header Brand & Actions Compacting */
  .header-actions {
    gap: 0.45rem;
  }

  .currency-select {
    padding: 0.35rem 0.45rem;
    font-size: 0.72rem;
  }

  /* 4. Disable Sticky Sidebar on Mobile to Avoid Jumping */
  .sidebar-sticky {
    position: static !important;
    top: auto !important;
  }

  .dashboard-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
  }

  /* 5. Hero Layout Stacking & Typography Scaling */
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1.75rem 0 2rem;
  }

  .hero-title {
    font-size: clamp(1.85rem, 6.5vw, 2.4rem);
    line-height: 1.1;
  }

  .hero-lead {
    font-size: 0.95rem;
    line-height: 1.55;
    margin-bottom: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0.75rem;
  }

  .btn-hero-primary, .btn-hero-secondary {
    width: 100%;
    min-height: 48px;
    justify-content: center;
    text-align: center;
  }

  .hero-trust-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    background: #FFFFFF;
    border: 1.5px solid var(--border-strong);
    margin-top: 1rem;
  }

  .trust-item {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
  }

  /* Form & Input Touch Target Optimization (Zero iOS Safari Zoom) */
  .form-control {
    font-size: 16px !important;
    min-height: 46px;
  }

  .range-slider {
    height: 6px;
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    touch-action: pan-y;
  }

  .range-slider::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
  }

  .range-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
  }

  .sandbox-slider {
    height: 6px;
    touch-action: pan-y;
  }

  .sandbox-slider::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
  }

  .sandbox-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
  }

  /* Interactive Buttons Touch Targets */
  .btn-terminal, .btn-action, .btn-open-tool {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .action-bar {
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
  }

  .action-bar .btn-action {
    width: 100%;
    justify-content: center;
  }

  /* Horizontal Scrolling Touch Strips */
  .breadcrumbs-bar {
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 0.5rem 0;
  }

  .breadcrumbs-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-tabs {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 0.6rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    display: flex;
    gap: 0.4rem;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .filter-pill {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }

  /* Table Container Touch Indicator */
  .table-container {
    -webkit-overflow-scrolling: touch;
    position: relative;
    width: 100%;
    max-width: 100%;
  }

  .fin-table {
    min-width: 560px;
  }

  .table-container::after {
    content: "Scroll horizontally to view full schedule →";
    display: block;
    font-size: 0.68rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-muted);
    text-align: right;
    padding: 0.4rem 0.65rem;
    background: #F8FAFC;
    border-top: 1px solid var(--border-subtle);
  }

  /* Metric Strip Mobile Ergonomics */
  .metric-strip {
    grid-template-columns: 1fr 1fr;
  }

  .metric-cell-val {
    font-size: 1.35rem;
  }

  .chart-canvas-wrap {
    height: 250px;
  }

  /* Contact and Article Grids */
  .contact-grid, .article-layout, .editorial-layout {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
  }

  .article-content, .editorial-article {
    padding: 1.25rem !important;
  }
}

@media (max-width: 480px) {
  .brand-logo {
    gap: 0.45rem;
  }

  .brand-mark {
    width: 26px;
    height: 26px;
  }

  .brand-text {
    font-size: 0.95rem;
  }

  .brand-badge {
    font-size: 0.55rem;
    padding: 1px 3px;
  }

  .metric-strip {
    grid-template-columns: 1fr;
  }

  .sandbox-results {
    grid-template-columns: 1fr 1fr;
    gap: 1px;
  }

  .sandbox-res-item {
    padding: 0.6rem;
  }

  .sandbox-res-val {
    font-size: 1.1rem;
  }

  .kpi-row {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 600px) {
  /* Docked Mobile Cookie Banner */
  .cookie-banner-compact {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    max-width: none;
    padding: 1rem;
  }

  .cookie-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-cookie-accept, .btn-cookie-decline {
    width: 100%;
    min-height: 44px;
  }
}