/* ==========================================================================
   NodalityOps — Technical / Swiss High-Density Design System
   Architecture: High-density, high-contrast, zero-slop engineering design
   ========================================================================== */

:root {
  /* Surface & Base Canvas */
  --bg-canvas: #090b10;
  --bg-surface: #0e121a;
  --bg-surface-elevated: #141a24;
  --bg-surface-active: #1a2230;
  --bg-terminal: #06080b;

  /* Technical Hairlines & Borders */
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-focus: #3b82f6;
  --border-tech: #1f2838;

  /* Strict Signal Accents (Functional only, no decorative rainbow gradients) */
  --signal-blue: #3b82f6;
  --signal-blue-dim: rgba(59, 130, 246, 0.12);
  --signal-emerald: #10b981;
  --signal-emerald-dim: rgba(16, 185, 129, 0.12);
  --signal-amber: #f59e0b;
  --signal-amber-dim: rgba(245, 158, 11, 0.12);
  --signal-red: #ef4444;

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-code: #38bdf8;
  --text-inverse: #090b10;

  /* Typography Scales */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, Monaco, monospace;

  /* Geometry & Grid */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --container-max: 1360px;
  --transition-fast: 0.12s cubic-bezier(0.2, 0, 0, 1);
}

/* ==========================================================================
   Reset & Baseline
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
}

/* Accessible focus outlines */
:focus-visible {
  outline: 2px solid var(--signal-blue);
  outline-offset: 2px;
}

.skip-to-content {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--signal-blue);
  color: #fff;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  z-index: 99999;
  border-radius: var(--radius-xs);
  transition: top var(--transition-fast);
}
.skip-to-content:focus {
  top: 1rem;
}

/* ==========================================================================
   Layout & Structure
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-divider {
  border: 0;
  border-top: 1px solid var(--border-tech);
  margin: 0;
}

/* Technical Module Borders */
.tech-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  position: relative;
}

.tech-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-tech);
  background: rgba(0, 0, 0, 0.25);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ==========================================================================
   Header & Navbar (Swiss Technical)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(9, 11, 16, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-tech);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}

.brand-symbol {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-symbol svg {
  width: 32px;
  height: 32px;
  display: block;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-wrapper:hover .brand-symbol svg {
  transform: scale(1.05);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.telemetry-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--signal-emerald);
  background: var(--signal-emerald-dim);
  padding: 0.2rem 0.5rem;
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-xs);
}

.telemetry-indicator .status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal-emerald);
  box-shadow: 0 0 6px var(--signal-emerald);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.nav-item-num {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-right: 0.25rem;
}

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

.mobile-toggle {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-tech);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   Technical Buttons & Micro-Components
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-xs);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--signal-blue);
  color: #ffffff;
  border-color: #2563eb;
}
.btn-primary:hover {
  background: #2563eb;
  border-color: #1d4ed8;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-medium);
}
.btn-secondary:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--text-secondary);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-tech);
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
}

.meta-tag.tag-blue {
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.3);
  background: var(--signal-blue-dim);
}

.meta-tag.tag-amber {
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.3);
  background: var(--signal-amber-dim);
}

.meta-tag.tag-emerald {
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
  background: var(--signal-emerald-dim);
}

/* ==========================================================================
   Hero Section (Swiss High-Density)
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 3.5rem 0;
  border-bottom: 1px solid var(--border-tech);
  position: relative;
}

.hero-meta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text-primary);
  max-width: 980px;
  margin-bottom: 1.5rem;
}

.hero-title .highlight {
  color: #ffffff;
  border-bottom: 2px solid var(--signal-blue);
}

.hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 820px;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* High-Density Telemetry Matrix Strip */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-tech);
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.telemetry-cell {
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--border-tech);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.telemetry-cell:last-child {
  border-right: none;
}

.telemetry-val {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.telemetry-val.accent-emerald {
  color: var(--signal-emerald);
}

.telemetry-val.accent-blue {
  color: var(--signal-blue);
}

.telemetry-lbl {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* ==========================================================================
   Architecture & Pipeline Section
   ========================================================================== */
.architecture-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-tech);
}

.section-header {
  margin-bottom: 3rem;
}

.section-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal-blue);
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 720px;
}

/* Architectural Flowchart / Schematic Grid */
.schematic-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-tech);
  padding: 2rem;
  border-radius: var(--radius-sm);
}

.schematic-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.schematic-col-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 0.4rem;
}

.schematic-node {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-tech);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xs);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: border-color var(--transition-fast);
}
.schematic-node:hover {
  border-color: var(--signal-blue);
}

.schematic-node-core {
  background: #0f172a;
  border: 1px solid #2563eb;
  box-shadow: inset 0 0 12px rgba(37, 99, 235, 0.15);
}

.schematic-node-title {
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--text-primary);
}

.schematic-node-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.schematic-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--signal-blue);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  gap: 0.25rem;
}
.schematic-arrow-line {
  width: 32px;
  height: 2px;
  background: var(--border-medium);
  position: relative;
}

/* Live Terminal Code Inspector */
.terminal-card {
  background: var(--bg-terminal);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-family: var(--font-mono);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: #0c0f14;
  border-bottom: 1px solid var(--border-tech);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}
.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-tabs {
  display: flex;
  gap: 0.25rem;
}
.terminal-tab-btn {
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
}
.terminal-tab-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--signal-blue);
}

.terminal-body {
  padding: 1.25rem;
  font-size: 0.82rem;
  line-height: 1.6;
  overflow-x: auto;
}

.code-k { color: #f43f5e; } /* keyword / method */
.code-s { color: #34d399; } /* string */
.code-n { color: #38bdf8; } /* number / bool */
.code-p { color: #94a3b8; } /* property */
.code-c { color: #64748b; font-style: italic; } /* comment */

/* ==========================================================================
   Solutions Module Grid
   ========================================================================== */
.solutions-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-tech);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.module-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast);
}

.module-card:hover {
  border-color: var(--border-medium);
}

.module-header {
  padding: 1.5rem 1.5rem 1rem 1.5rem;
  border-bottom: 1px solid var(--border-hairline);
}

.module-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.module-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--signal-blue);
}

.module-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.module-headline {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.module-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex-grow: 1;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.spec-table td {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border-hairline);
}
.spec-table td:first-child {
  color: var(--text-muted);
  width: 35%;
}
.spec-table td:last-child {
  color: var(--text-primary);
  text-align: right;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feature-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.feature-bullet {
  color: var(--signal-emerald);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-top: 1px;
}

.module-footer {
  padding: 1rem 1.5rem;
  background: var(--bg-surface-elevated);
  border-top: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.module-metric {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--signal-emerald);
}

.module-metric-lbl {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  max-width: 250px;
  text-align: right;
}

/* ==========================================================================
   Hard Economics / Comparison Table
   ========================================================================== */
.comparison-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-tech);
}

.comparison-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.comp-table th {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-tech);
}

.comp-table th.col-feature {
  width: 35%;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.2);
}

.comp-table th.col-saas {
  width: 32%;
  color: var(--text-secondary);
  background: rgba(239, 68, 68, 0.05);
}

.comp-table th.col-nodality {
  width: 33%;
  color: var(--signal-blue);
  background: rgba(59, 130, 246, 0.08);
  border-left: 1px solid var(--border-tech);
  border-right: 1px solid var(--border-tech);
}

.comp-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-hairline);
  color: var(--text-secondary);
}

.comp-table td.col-nodality {
  background: rgba(59, 130, 246, 0.03);
  color: var(--text-primary);
  font-weight: 550;
  border-left: 1px solid var(--border-tech);
  border-right: 1px solid var(--border-tech);
}

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

/* ==========================================================================
   Methodology & Engineering Process
   ========================================================================== */
.methodology-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-tech);
}

.methodology-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.method-card {
  display: grid;
  grid-template-columns: 80px 1fr 1.2fr;
  gap: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-tech);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  align-items: start;
}

.method-step {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--signal-blue);
  line-height: 1;
}

.method-content-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.method-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.method-duration {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--signal-amber);
}

.method-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.method-deliverables-col {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-hairline);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-xs);
}

.deliverables-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.deliverables-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.deliverable-item {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.4rem;
}
.deliverable-item::before {
  content: '>';
  color: var(--signal-blue);
}

/* ==========================================================================
   FAQ Section & Accordion
   ========================================================================== */
.faq-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-tech);
}

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 950px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-tech);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-focus);
}

.faq-item.open {
  border-color: var(--signal-blue);
  background: var(--bg-surface-elevated);
}

.faq-question-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.45;
  gap: 1.25rem;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.faq-question-btn:hover {
  background: rgba(59, 130, 246, 0.04);
}

.faq-item.open .faq-question-btn {
  color: #fff;
}

.faq-question-text {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex: 1;
}

.faq-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--signal-blue);
  font-weight: 500;
  flex-shrink: 0;
}

.faq-question-label {
  flex: 1;
}

.faq-indicator {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--signal-blue);
  line-height: 1;
  transition: transform var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
  user-select: none;
}

.faq-item.open .faq-indicator {
  transform: rotate(45deg);
  color: var(--signal-emerald);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.35rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.65;
  border-top: 1px solid var(--border-hairline);
  padding-top: 1.1rem;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-answer p {
  margin: 0;
}

/* ==========================================================================
   Contact / Engineering Intake Section
   ========================================================================== */
.contact-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-tech);
  background: var(--bg-surface);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-meta-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-channel {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-tech);
  padding: 1.25rem;
  border-radius: var(--radius-xs);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.channel-lbl {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.channel-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
  text-decoration: none;
}
.channel-val:hover {
  color: var(--signal-blue);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--bg-canvas);
  border: 1px solid var(--border-tech);
  padding: 2rem;
  border-radius: var(--radius-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-xs);
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--signal-blue);
  outline: none;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ==========================================================================
   Footer (Swiss Minimalist)
   ========================================================================== */
.site-footer {
  padding: 3.5rem 0 2rem 0;
  background: var(--bg-canvas);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
}
.footer-link:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .telemetry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .telemetry-cell:nth-child(2) {
    border-right: none;
  }
  .telemetry-cell:nth-child(1), .telemetry-cell:nth-child(2) {
    border-bottom: 1px solid var(--border-tech);
  }
  .module-grid {
    grid-template-columns: 1fr;
  }
  .method-card {
    grid-template-columns: 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  .hero-section {
    padding: 3.5rem 0 2.5rem 0;
  }
  .hero-title {
    font-size: 2.1rem;
    line-height: 1.15;
  }
  .hero-lead {
    font-size: 1rem;
    line-height: 1.55;
  }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  .hero-cta-group .btn {
    width: 100%;
    text-align: center;
    padding: 0.85rem 1.25rem;
  }
  .main-nav {
    display: none;
  }
  .main-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-tech);
    padding: 1.25rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    z-index: 999;
  }
  .mobile-toggle {
    display: block;
  }
  .telemetry-grid {
    grid-template-columns: 1fr 1fr;
  }
  .telemetry-cell {
    padding: 1rem;
  }
  .telemetry-val {
    font-size: 1.35rem;
  }
  .telemetry-lbl {
    font-size: 0.7rem;
  }
  .module-header, .module-body, .module-footer {
    padding: 1.25rem;
  }
  .method-card {
    padding: 1.25rem;
  }
  .contact-form {
    padding: 1.25rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .comp-table th, .comp-table td {
    padding: 0.85rem 1rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .telemetry-grid {
    grid-template-columns: 1fr;
  }
  .telemetry-cell {
    border-right: none;
    border-bottom: 1px solid var(--border-tech);
  }
  .telemetry-cell:last-child {
    border-bottom: none;
  }
  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }
  .footer-nav {
    flex-direction: column;
    gap: 1.5rem;
  }
}