/* ===================================================================
   THAMES VALLEY TECHNOLOGIES (TVT) - AWWWARDS-GRADE INDUSTRIAL DESIGN
   Light Mode Default · Swiss Industrial Precision · 100% Commercial B2B
   London, Ontario · 519-731-7000
   =================================================================== */

:root {
  /* --- LIGHT MODE (PRIMARY / DEFAULT) --- */
  --bg-primary: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  --bg-card-subtle: #F8FAFC;
  --bg-panel: #F1F5F9;
  --bg-tech-strip: #0F172A;
  
  --border-color: #E2E8F0;
  --border-strong: #CBD5E1;
  --border-highlight: #94A3B8;
  --border-cyan: rgba(14, 165, 233, 0.45);
  
  --cyan-primary: #0284C7;
  --cyan-bright: #0EA5E9;
  --cyan-glow: rgba(14, 165, 233, 0.12);
  --cyan-surface: #F0F9FF;
  
  --amber-accent: #D97706;
  --amber-accent: var(--amber-accent);
  --amber-light: #F59E0B;
  --amber-surface: #FFFBEB;
  --amber-glow: rgba(245, 158, 11, 0.15);
  
  --pass-green: #059669;
  --pass-green-bright: #10B981;
  --pass-green-surface: #ECFDF5;
  
  --text-primary: #090D16;
  --text-slate: #1E293B;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-dim: #94A3B8;
  
  --font-heading: 'Space Grotesk', 'Barlow Condensed', -apple-system, sans-serif;
  --font-condensed: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  
  --container-max: 1240px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05), 0 10px 25px -5px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 20px 30px -10px rgba(0, 0, 0, 0.06);
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Optional Dark Mode Override (Toggleable) */
body.dark-mode {
  --bg-primary: #0B0F17;
  --bg-surface: #131B2E;
  --bg-card: #131B2E;
  --bg-card-hover: #19233A;
  --bg-card-subtle: #0E1626;
  --bg-panel: #0E1524;
  --border-color: #1E293B;
  --border-strong: #2D3D58;
  --border-highlight: #475569;
  --cyan-primary: #38BDF8;
  --cyan-bright: #0EA5E9;
  --cyan-surface: rgba(14, 165, 233, 0.1);
  --amber-accent: #F59E0B;
  --amber-accent: var(--amber-accent);
  --amber-light: #FBBF24;
  --amber-surface: rgba(245, 158, 11, 0.1);
  --pass-green: #10B981;
  --pass-green-bright: #34D399;
  --pass-green-surface: rgba(16, 185, 129, 0.1);
  --text-primary: #F8FAFC;
  --text-slate: #CBD5E1;
  --text-body: #94A3B8;
  --text-muted: #64748B;
  --text-dim: #475569;
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Base Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-body);
}

body {
  font-family: var(--font-body);
  line-height: 1.55;
  background-color: var(--bg-primary);
  color: var(--text-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle Architectural Grid Background */
.tech-grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.site-wrapper {
  position: relative;
  z-index: 1;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Helpers */
h1, h2, h3, h4, .tech-heading {
  font-family: var(--font-heading);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  font-weight: 700;
  text-transform: uppercase;
}

.font-mono {
  font-family: var(--font-mono);
}

.font-condensed {
  font-family: var(--font-condensed);
}

a {
  color: var(--cyan-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--cyan-bright);
}

/* Micro Badges & Indicators */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: var(--pass-green-surface);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--pass-green);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--pass-green);
  box-shadow: 0 0 6px var(--pass-green);
  animation: pulse-glow 2s infinite ease-in-out;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  background: var(--cyan-surface);
  border: 1px solid var(--border-cyan);
  color: var(--cyan-primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.badge-amber {
  background: var(--amber-surface);
  border-color: rgba(245, 158, 11, 0.4);
  color: var(--amber-accent);
}

/* ===================================================================
   1. STICKY TOP BAR & NAVIGATION
   =================================================================== */
.top-bar-sub {
  background-color: #0F172A;
  color: #94A3B8;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.35rem 0;
  letter-spacing: 0.02em;
}

.top-bar-sub .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.corridor-tag {
  color: #CBD5E1;
}

.corridor-tag span {
  color: var(--cyan-bright);
  font-weight: 600;
}

.top-specs-summary {
  display: flex;
  gap: 1rem;
}

.top-specs-summary span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  transition: var(--transition);
}

body.dark-mode .sticky-nav {
  background: rgba(11, 15, 23, 0.94);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

/* Brand Mark */
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-badge {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.05em;
  padding: 0.3rem 0.6rem;
  background: #0F172A;
  border: 1px solid #1E293B;
  color: #38BDF8;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

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

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Nav Menu */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-body);
  padding: 0.35rem 0.2rem;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--cyan-primary);
  border-bottom-color: var(--cyan-primary);
}

/* Right Nav CTAs */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-phone-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--amber-accent);
  background: var(--amber-surface);
  border: 1px solid rgba(217, 119, 6, 0.35);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-phone-btn:hover {
  background: var(--amber-accent);
  color: #FFF;
  border-color: var(--amber-accent);
  box-shadow: 0 4px 12px var(--amber-glow);
}

.btn-print-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-slate);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-print-nav:hover {
  background: var(--bg-card-hover);
  color: var(--cyan-primary);
  border-color: var(--cyan-primary);
}

/* Theme Toggle Button */
.btn-theme-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-highlight);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ===================================================================
   BUTTONS & COMMON UI
   =================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: #0F172A;
  color: #F8FAFC;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
}

.btn-primary:hover {
  background: var(--cyan-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 15px var(--cyan-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-slate);
  border: 1px solid var(--border-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-amber {
  background: var(--amber-accent);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 2px 8px var(--amber-glow);
}

.btn-amber:hover {
  background: #B45309;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px var(--amber-glow);
}

/* ===================================================================
   2. HERO SECTION WITH INTERACTIVE 3D THREE.JS CANVAS
   =================================================================== */
.hero-section {
  padding: 3.5rem 0 3rem;
  position: relative;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(241, 245, 249, 0.6) 0%, rgba(248, 250, 252, 1) 100%);
}

body.dark-mode .hero-section {
  background: radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.08) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan-primary);
  background: var(--cyan-surface);
  border: 1px solid var(--border-cyan);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.06;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 800;
}

.hero-title .highlight-cyan {
  color: var(--cyan-primary);
}

.hero-subhead {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text-body);
  margin-bottom: 1.75rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

.hero-guarantee span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-guarantee svg {
  color: var(--pass-green);
}

/* 3D Interactive Stage Container */
.threejs-stage-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.stage-header {
  padding: 0.75rem 1.1rem;
  background: #0F172A;
  color: #F8FAFC;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border-bottom: 1px solid #1E293B;
}

.stage-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.stage-title svg {
  color: var(--cyan-bright);
}

.stage-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-stage-action {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #F8FAFC;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-stage-action:hover {
  background: var(--cyan-bright);
  color: #070B11;
  border-color: var(--cyan-bright);
}

.canvas-viewport-wrap {
  width: 100%;
  height: 380px;
  position: relative;
  cursor: grab;
  background: radial-gradient(circle at 50% 50%, rgba(241, 245, 249, 0.5) 0%, rgba(255, 255, 255, 1) 100%);
}

body.dark-mode .canvas-viewport-wrap {
  background: radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.05) 0%, rgba(19, 27, 46, 1) 100%);
}

.canvas-viewport-wrap:active {
  cursor: grabbing;
}

/* 3D Overlay HUD Pills */
.canvas-hud {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.hud-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.85);
  color: #F8FAFC;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hud-pill span.cyan {
  color: #38BDF8;
}

.stage-footer {
  padding: 0.85rem 1.1rem;
  background: var(--bg-card-subtle);
  border-top: 1px solid var(--border-color);
  font-size: 0.78rem;
  color: var(--text-body);
}

.stage-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.stage-spec-item strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.78rem;
}

/* ===================================================================
   3. TRACK RECORD PROOF BANNER (4 High-Contrast Stat Blocks)
   =================================================================== */
.proof-banner {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 2.25rem 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.stat-block {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.15rem;
  transition: var(--transition);
}

.stat-block:hover {
  border-color: var(--border-highlight);
  transform: translateY(-2px);
  box-shadow: var(--shadow-subtle);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.stat-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.stat-number.amber {
  color: var(--amber-accent);
}

.stat-number.cyan {
  color: var(--cyan-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-body);
  line-height: 1.4;
}

/* ===================================================================
   4. FOUR COMMERCIAL BUYER PILLARS (Clean Technical Cards)
   =================================================================== */
.section-padding {
  padding: 4.5rem 0;
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-primary);
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

.section-title {
  font-size: 2.1rem;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-body);
  max-width: 680px;
}

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

.pillar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
}

.pillar-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.pillar-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.85rem;
}

.pillar-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--cyan-surface);
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-primary);
}

.pillar-card.amber-tint .pillar-icon-box {
  background: var(--amber-surface);
  border-color: rgba(245, 158, 11, 0.4);
  color: var(--amber-accent);
}

.pillar-target-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.pillar-title {
  font-size: 1.25rem;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.pillar-subtext {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-primary);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.pillar-card.amber-tint .pillar-subtext {
  color: var(--amber-accent);
}

.pillar-body {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-body);
  margin-bottom: 1.25rem;
}

.pillar-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.spec-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* ===================================================================
   5. TRANSPARENT 2026 B2B & SUB-TRADE RATE CARD
   =================================================================== */
.rate-card-section {
  background: var(--bg-card-subtle);
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.rate-card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.rate-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-body);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: #0F172A;
  border-color: #0F172A;
  color: #FFFFFF;
}

.table-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-card);
  margin-bottom: 1.25rem;
}

.rate-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.86rem;
}

.rate-table th {
  background: #F1F5F9;
  padding: 0.85rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

body.dark-mode .rate-table th {
  background: #0E1626;
  color: var(--text-muted);
}

.rate-table td {
  padding: 1.1rem 1.15rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

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

.rate-table tbody tr {
  transition: background-color 0.15s ease;
}

.rate-table tbody tr:hover {
  background-color: var(--bg-card-hover);
}

.service-code-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--cyan-primary);
  background: var(--cyan-surface);
  border: 1px solid var(--border-cyan);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.service-item-title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.92rem;
  display: block;
  margin-bottom: 0.15rem;
}

.service-item-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.rate-price {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1rem;
  color: var(--amber-accent);
  white-space: nowrap;
}

.rate-price-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
  font-weight: 400;
}

.rate-scope {
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-body);
}

.rate-minimum-tag {
  display: inline-block;
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--cyan-primary);
  background: var(--cyan-surface);
  border: 1px solid var(--border-cyan);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
}

.rate-table-note {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--amber-accent);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-body);
  box-shadow: var(--shadow-subtle);
}

.rate-table-note strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* ===================================================================
   6. B2B DISPATCH & SUB-TRADE QUOTE CALCULATOR
   =================================================================== */
.calculator-section {
  padding: 4.5rem 0;
  background: var(--bg-surface);
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 2.25rem;
}

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

.dispatch-hotline-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.dispatch-hotline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--amber-accent);
}

.hotline-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--amber-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.hotline-number {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
  transition: var(--transition);
}

.hotline-number:hover {
  color: var(--amber-accent);
}

.hotline-desc {
  font-size: 0.85rem;
  color: var(--text-body);
  line-height: 1.45;
  margin-bottom: 1rem;
}

.company-meta-block {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  font-size: 0.8rem;
  line-height: 1.45;
}

.company-meta-block strong {
  color: var(--text-primary);
  display: block;
}

.corridor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.corridor-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  color: var(--cyan-primary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.compliance-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  box-shadow: var(--shadow-subtle);
}

.compliance-box h4 {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.compliance-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-body);
}

.compliance-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.compliance-list svg {
  color: var(--pass-green);
  flex-shrink: 0;
}

/* Calculator Card */
.calc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}

.calc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.calc-header h3 {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-reset-btn {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: underline;
  transition: var(--transition);
}

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

.calc-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.calc-item-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 0.9rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.calc-item-row:hover {
  border-color: var(--border-highlight);
}

.calc-item-info {
  display: flex;
  flex-direction: column;
}

.calc-item-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.calc-item-unit-rate {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-primary);
}

.stepper-control {
  display: inline-flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.stepper-btn {
  background: none;
  border: none;
  color: var(--text-slate);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: var(--transition);
}

.stepper-btn:hover {
  background: #0F172A;
  color: #FFFFFF;
}

.stepper-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 36px;
  text-align: center;
  user-select: none;
}

.calc-item-subtotal {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--amber-accent);
  min-width: 78px;
  text-align: right;
}

.calc-min-alert {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber-accent);
  margin-top: 0.15rem;
}

.calc-totals-box {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.35rem;
  margin-bottom: 1.25rem;
}

.calc-total-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-body);
  margin-bottom: 0.35rem;
}

.calc-grand-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.65rem;
  margin-top: 0.65rem;
  border-top: 1px solid var(--border-color);
}

.calc-grand-total-label {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
}

.calc-grand-total-price {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--amber-accent);
}

.calc-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.calc-btn-copy {
  width: 100%;
}

.calc-btn-dispatch {
  width: 100%;
}

/* Dispatch Form */
.dispatch-form-card {
  margin-top: 1.25rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.15rem;
  display: none;
}

.dispatch-form-card.active {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.dispatch-form-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 0.65rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-body);
}

.form-control {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.7rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 8px var(--cyan-glow);
}

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 3rem 0 1.75rem;
  font-size: 0.82rem;
  border-top: 1px solid #1E293B;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand-desc {
  font-size: 0.8rem;
  color: #94A3B8;
  line-height: 1.5;
  margin-top: 0.75rem;
  max-width: 320px;
}

.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: #F8FAFC;
  margin-bottom: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.footer-links a {
  color: #94A3B8;
  font-size: 0.8rem;
}

.footer-links a:hover {
  color: #38BDF8;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid #1E293B;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #64748B;
}

/* Toast Message */
.toast-msg {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #0F172A;
  border: 1px solid var(--pass-green-bright);
  color: #F8FAFC;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all 0.25s ease-in-out;
}

.toast-msg.show {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================================
   7. PRINTABLE 1-PAGE SUB-TRADE RATE SHEET
   =================================================================== */
.print-only-rate-sheet {
  display: none;
}

.print-preview-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  overflow-y: auto;
  padding: 2rem 1rem;
}

.print-preview-modal.active {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.print-preview-container {
  background: #FFFFFF;
  color: #0F172A;
  width: 100%;
  max-width: 880px;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.preview-toolbar {
  background: #0F172A;
  color: #F8FAFC;
  padding: 0.65rem 1.15rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-toolbar-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
}

.preview-toolbar-btns {
  display: flex;
  gap: 0.65rem;
}

.rate-sheet-document {
  background: #FFFFFF;
  color: #0F172A;
  padding: 2rem 2.25rem;
  font-family: var(--font-body);
  line-height: 1.35;
}

.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2px solid #0F172A;
  padding-bottom: 0.75rem;
  margin-bottom: 0.85rem;
}

.sheet-brand-box h1 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: #0F172A;
  margin-bottom: 0.1rem;
}

.sheet-brand-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #475569;
}

.sheet-contact-box {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #1E293B;
}

.sheet-phone-large {
  font-size: 1.2rem;
  font-weight: 800;
  color: #0F172A;
}

.sheet-title-strip {
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  padding: 0.4rem 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #0F172A;
}

.sheet-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.85rem;
  font-size: 0.75rem;
}

.sheet-table th {
  background: #E2E8F0;
  color: #0F172A;
  padding: 0.4rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid #CBD5E1;
  text-align: left;
}

.sheet-table td {
  padding: 0.4rem 0.55rem;
  border: 1px solid #CBD5E1;
  vertical-align: top;
}

.sheet-table tr:nth-child(even) td {
  background-color: #F8FAFC;
}

.sheet-code {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.72rem;
  color: #0284C7;
}

.sheet-rate-val {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.8rem;
  color: #B45309;
}

.sheet-terms-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  padding: 0.65rem 0.75rem;
  background: #F8FAFC;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  margin-bottom: 0.85rem;
  font-size: 0.7rem;
  color: #334155;
}

.sheet-terms-grid h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #0F172A;
  margin-bottom: 0.2rem;
}

.sheet-po-box {
  border: 1px dashed #94A3B8;
  padding: 0.65rem 0.85rem;
  background: #FFF;
  font-size: 0.7rem;
  color: #475569;
}

.sheet-po-header {
  font-family: var(--font-mono);
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 0.4rem;
  display: flex;
  justify-content: space-between;
}

.po-sign-lines {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1rem;
}

.po-line {
  border-top: 1px solid #0F172A;
  padding-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: #64748B;
}

/* ===================================================================
   STRICT @MEDIA PRINT STYLES (EXACT 1-PAGE OUTPUT)
   =================================================================== */
@media print {
  @page {
    size: letter portrait;
    margin: 0.35in 0.4in;
  }
  
  html, body {
    background: #FFFFFF !important;
    color: #000000 !important;
    font-size: 10pt !important;
  }
  
  .site-wrapper,
  .tech-grid-bg,
  .top-bar-sub,
  .sticky-nav,
  .hero-section,
  .proof-banner,
  .pillars-section,
  .rate-card-section,
  .calculator-section,
  .site-footer,
  .toast-msg,
  .preview-toolbar {
    display: none !important;
  }
  
  .print-only-rate-sheet {
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  .rate-sheet-document {
    padding: 0 !important;
    color: #000 !important;
    background: #FFF !important;
    page-break-after: avoid !important;
  }
  
  .sheet-header {
    border-bottom: 2px solid #000 !important;
    padding-bottom: 3px !important;
    margin-bottom: 5px !important;
  }
  
  .sheet-brand-box h1 {
    font-size: 14pt !important;
    color: #000 !important;
  }
  
  .sheet-phone-large {
    font-size: 11pt !important;
    color: #000 !important;
  }
  
  .sheet-title-strip {
    background: #F1F5F9 !important;
    border: 1px solid #94A3B8 !important;
    padding: 3px 5px !important;
    margin-bottom: 5px !important;
    font-size: 7pt !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .sheet-table {
    margin-bottom: 5px !important;
    font-size: 7pt !important;
  }
  
  .sheet-table th {
    background: #E2E8F0 !important;
    color: #000 !important;
    padding: 2px 4px !important;
    border: 1px solid #94A3B8 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .sheet-table td {
    padding: 2px 4px !important;
    border: 1px solid #CBD5E1 !important;
    line-height: 1.2 !important;
  }
  
  .sheet-table tr:nth-child(even) td {
    background-color: #F8FAFC !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .sheet-code {
    color: #000 !important;
    font-weight: 700 !important;
  }
  
  .sheet-rate-val {
    color: #000 !important;
    font-weight: 800 !important;
  }
  
  .sheet-terms-grid {
    padding: 4px 6px !important;
    gap: 8px !important;
    margin-bottom: 5px !important;
    font-size: 6.5pt !important;
    background: #F8FAFC !important;
    border: 1px solid #94A3B8 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .sheet-po-box {
    padding: 4px 6px !important;
    font-size: 6.5pt !important;
    border: 1px solid #64748B !important;
  }
  
  .po-sign-lines {
    margin-top: 8px !important;
    gap: 12px !important;
  }
}

/* ===================================================================
   RESPONSIVE BREAKPOINTS
   =================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .calc-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .top-specs-summary {
    display: none;
  }
  
  .hero-title {
    font-size: 2.15rem;
  }
  
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  
  .proof-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}