/* ==========================================================================
   CACFoundry.com — Clean Executive Modern (High-Contrast Light/Dark Hybrid)
   Design System, Animations, Layout & Interactive Components
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* Cross-Document View Transitions */
@view-transition {
  navigation: auto;
}

:root {
  /* Light Executive Palette */
  --bg-light: #F8FAFC;
  --bg-pure: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-glass-light: rgba(255, 255, 255, 0.86);

  /* Dark Executive Hybrid Palette */
  --bg-dark: #070A12;
  --bg-dark-elevated: #0E1322;
  --bg-dark-card: #131B2E;
  --bg-glass-dark: rgba(14, 19, 34, 0.82);

  /* Typography Colors */
  --text-primary: #090D16;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-on-dark: #F8FAFC;
  --text-on-dark-muted: #94A3B8;

  /* Brand & Accent Colors (Foundry Electric Cobalt, Molten Coral, Emerald Signal) */
  --accent-primary: #2563EB;
  --accent-primary-bright: #3B82F6;
  --accent-foundry: #FF4F28;
  --accent-foundry-glow: rgba(255, 79, 40, 0.25);
  --accent-emerald: #10B981;
  --accent-violet: #7C3AED;
  --accent-amber: #F59E0B;

  /* Gradients */
  --grad-executive: linear-gradient(135deg, #2563EB 0%, #7C3AED 50%, #FF4F28 100%);
  --grad-foundry: linear-gradient(135deg, #FF4F28 0%, #F59E0B 100%);
  --grad-cyber: linear-gradient(135deg, #3B82F6 0%, #10B981 100%);
  --grad-dark-surface: radial-gradient(circle at 20% 0%, rgba(37, 99, 235, 0.18), transparent 50%),
                       radial-gradient(circle at 80% 100%, rgba(255, 79, 40, 0.14), transparent 50%),
                       #070A12;

  /* Borders & Shadows */
  --border-light: #E2E8F0;
  --border-light-strong: #CBD5E1;
  --border-dark: rgba(255, 255, 255, 0.1);
  --border-dark-hover: rgba(59, 130, 246, 0.5);

  --shadow-sm: 0 2px 8px -2px rgba(9, 13, 22, 0.05);
  --shadow-md: 0 12px 32px -8px rgba(9, 13, 22, 0.08);
  --shadow-lg: 0 24px 54px -12px rgba(9, 13, 22, 0.14);
  --shadow-glow-blue: 0 12px 36px -6px rgba(37, 99, 235, 0.35);
  --shadow-glow-foundry: 0 12px 36px -6px rgba(255, 79, 40, 0.35);

  /* Fonts */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing & Layout */
  --container-max: 1280px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-light);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  selection-background-color: var(--accent-primary);
}

::selection {
  background: var(--accent-primary);
  color: #ffffff;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ==========================================================================
   Cursor Spotlight & Ambient Grid
   ========================================================================== */
.cursor-glow {
  position: fixed;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(255, 79, 40, 0.04) 45%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
}

.bg-grid-light {
  background-size: 48px 48px;
  background-image: 
    linear-gradient(to right, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
}

.bg-grid-dark {
  background-size: 48px 48px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
}

/* ==========================================================================
   Typography & Utility Classes
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent-primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
  margin-bottom: 1.25rem;
}

.section-dark .eyebrow {
  background: rgba(59, 130, 246, 0.14);
  color: #60A5FA;
  border-color: rgba(59, 130, 246, 0.3);
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-foundry);
  box-shadow: 0 0 10px var(--accent-foundry);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.65; }
}

.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.4vw, 4.75rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--grad-executive);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% auto;
  animation: gradientFlow 6s ease infinite;
}

.text-gradient-foundry {
  background: var(--grad-foundry);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.lead-text {
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 68ch;
  line-height: 1.65;
}

.section-dark .lead-text {
  color: var(--text-on-dark-muted);
}

/* ==========================================================================
   Section Variants (High-Contrast Hybrid)
   ========================================================================== */
.section {
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  position: relative;
}

.section-light {
  background-color: var(--bg-light);
  color: var(--text-primary);
}

.section-white {
  background-color: var(--bg-pure);
  color: var(--text-primary);
}

.section-dark {
  background: var(--grad-dark-surface);
  color: var(--text-on-dark);
  overflow: hidden;
}

.section-header {
  max-width: 780px;
  margin-bottom: 3.5rem;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header.center .lead-text {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Top Sticky Navigation Bar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.95);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 1.5rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--bg-dark);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.brand-mark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-executive);
  opacity: 0.9;
}

.brand-mark span {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}

.brand-logo .foundry-tag {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link {
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0.85rem;
  right: 0.85rem;
  height: 2px;
  background: var(--grad-executive);
  border-radius: 2px;
}

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

.mobile-menu-btn {
  display: none;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
}

/* ==========================================================================
   Buttons & Interactive CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--bg-dark);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--accent-primary);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-2px);
}

.btn-foundry {
  background: var(--grad-foundry);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow-foundry);
}

.btn-foundry:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 16px 40px -6px rgba(255, 79, 40, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-primary);
  border-color: var(--border-light-strong);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background: #FFFFFF;
  transform: translateY(-2px);
}

.section-dark .btn-outline {
  background: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
}

.section-dark .btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #FFFFFF;
}

.btn-sm {
  padding: 0.6rem 1.15rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1.05rem 2rem;
  font-size: 1.02rem;
}

/* ==========================================================================
   Animated Marquee / Live Telemetry Ticker
   ========================================================================== */
.ticker-bar {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 0.9rem 0;
  overflow: hidden;
  position: relative;
  z-index: 5;
}

.ticker-track {
  display: flex;
  width: max-content;
  gap: 3rem;
  animation: tickerScroll 36s linear infinite;
}

.ticker-track:hover {
  animation-play-state: paused;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-on-dark-muted);
  white-space: nowrap;
}

.ticker-badge {
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.75rem;
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.ticker-badge.hot {
  background: rgba(255, 79, 40, 0.18);
  color: #FB923C;
  border-color: rgba(255, 79, 40, 0.35);
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   Hero Layout & Interactive Telemetry Dashboard
   ========================================================================== */
.hero-section {
  padding: clamp(3.5rem, 6vw, 6rem) 0 clamp(4.5rem, 7vw, 6.5rem);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.75rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.trust-stat {
  display: flex;
  flex-direction: column;
}

.trust-stat-value {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.trust-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.2rem;
}

/* Executive Dark Telemetry Card in Hero */
.telemetry-card {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-lg), 0 0 80px -20px rgba(37, 99, 235, 0.35);
  position: relative;
  overflow: hidden;
}

.telemetry-card::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(255, 79, 40, 0.28), transparent 70%);
  pointer-events: none;
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.15rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-dark);
}

.telemetry-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-on-dark-muted);
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #34D399;
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.telemetry-kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.kpi-box {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.kpi-box:hover {
  transform: translateY(-3px);
  border-color: var(--border-dark-hover);
}

.kpi-label {
  font-size: 0.78rem;
  color: var(--text-on-dark-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0.35rem 0 0.2rem;
  color: #FFFFFF;
}

.kpi-delta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #34D399;
}

.kpi-delta.down-good {
  color: #38BDF8;
}

/* Animated Channel Bar Graph inside Telemetry */
.channel-bars {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.channel-bar-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.channel-bar-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-on-dark-muted);
}

.channel-bar-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
}

.channel-bar-fill {
  height: 100%;
  border-radius: 99px;
  background: var(--grad-executive);
  width: 0%;
  transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Bento Grids & Executive Cards
   ========================================================================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.15rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-executive);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

.bento-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.3);
}

.bento-card:hover::before {
  transform: scaleX(1);
}

.section-dark .bento-card {
  background: var(--bg-dark-card);
  border-color: var(--border-dark);
  color: var(--text-on-dark);
}

.section-dark .bento-card:hover {
  border-color: var(--border-dark-hover);
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.6), 0 0 32px -8px rgba(37, 99, 235, 0.3);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent-primary);
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(37, 99, 235, 0.16);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.bento-card:hover .card-icon {
  transform: scale(1.08) rotate(-3deg);
  background: var(--accent-primary);
  color: #FFFFFF;
}

.section-dark .card-icon {
  background: rgba(59, 130, 246, 0.14);
  color: #60A5FA;
  border-color: rgba(59, 130, 246, 0.25);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.96rem;
  margin-bottom: 1.5rem;
}

.section-dark .card-desc {
  color: var(--text-on-dark-muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1rem;
}

.tag-chip {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.section-dark .tag-chip {
  background: rgba(255, 255, 255, 0.06);
  color: #CBD5E1;
  border-color: rgba(255, 255, 255, 0.1);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-primary);
  margin-top: 1.25rem;
}

.section-dark .card-link {
  color: #60A5FA;
}

.card-link svg {
  transition: transform var(--transition-fast);
}

.bento-card:hover .card-link svg {
  transform: translateX(4px);
}

/* ==========================================================================
   Interactive CAC & ROAS Growth Calculator
   ========================================================================== */
.calculator-shell {
  background: var(--bg-dark-elevated);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 3.5vw, 3rem);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  box-shadow: var(--shadow-lg);
}

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

.calc-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.65rem;
  color: var(--text-on-dark);
}

.calc-value-badge {
  font-family: var(--font-mono);
  color: #60A5FA;
  background: rgba(59, 130, 246, 0.14);
  padding: 0.2rem 0.65rem;
  border-radius: 6px;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.pill-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.pill-btn {
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-on-dark-muted);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.pill-btn:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
}

.pill-btn.active {
  background: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--accent-primary-bright);
  box-shadow: var(--shadow-glow-blue);
}

input[type="range"].foundry-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
  cursor: pointer;
}

input[type="range"].foundry-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-foundry);
  border: 3px solid #FFFFFF;
  box-shadow: 0 0 14px rgba(255, 79, 40, 0.8);
  cursor: pointer;
  transition: transform 0.15s ease;
}

input[type="range"].foundry-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-output-panel {
  background: var(--bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.calc-result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.calc-metric-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 1.15rem;
}

.calc-metric-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.1;
  margin-top: 0.35rem;
}

.calc-metric-num.highlight {
  color: #34D399;
}

/* ==========================================================================
   Regional Tabs & Market Cards (MENA, India, SEA)
   ========================================================================== */
.market-tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.market-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-light-strong);
  background: var(--bg-pure);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.market-tab-btn.active {
  background: var(--bg-dark);
  color: #FFFFFF;
  border-color: var(--bg-dark);
  box-shadow: var(--shadow-md);
}

.market-panel {
  display: none;
  animation: fadeSlideUp 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.market-panel.active {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 3.5vw, 3rem);
  box-shadow: var(--shadow-md);
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Lead Capture Form & Modal
   ========================================================================== */
.lead-form-card {
  background: var(--bg-pure);
  color: var(--text-primary);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 3.5vw, 3rem);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.form-field label {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-field label span.req {
  color: var(--accent-foundry);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-light-strong);
  background: var(--bg-light);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.form-input:user-valid {
  border-color: var(--accent-emerald);
}

.form-input:user-invalid {
  border-color: var(--accent-foundry);
}

.checkbox-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.checkbox-pill {
  position: relative;
  cursor: pointer;
}

.checkbox-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkbox-pill span {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.83rem;
  font-weight: 600;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1.5px solid var(--border-light);
  transition: all var(--transition-fast);
  user-select: none;
}

.checkbox-pill input:checked + span {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

.form-status {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  color: #065F46;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  color: #991B1B;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   Interactive Comparison Table / Funnel Blocks
   ========================================================================== */
.comparison-table-wrap {
  overflow-x: auto;
  background: var(--bg-pure);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
  font-family: var(--font-display);
  font-size: 0.95rem;
  background: var(--bg-subtle);
  color: var(--text-primary);
}

.comparison-table td.foundry-col {
  background: rgba(37, 99, 235, 0.04);
  font-weight: 600;
  color: var(--text-primary);
}

/* Funnel Stages */
.funnel-stage {
  display: grid;
  grid-template-columns: 160px 1fr 140px;
  align-items: center;
  gap: 1.5rem;
  padding: 1.15rem 1.5rem;
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  margin-bottom: 0.85rem;
  transition: all var(--transition-fast);
}

.funnel-stage:hover {
  border-color: var(--accent-primary-bright);
  transform: translateX(6px);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 5rem 0 2.5rem;
  border-top: 1px solid var(--border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-dark);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col a {
  color: var(--text-on-dark-muted);
  font-size: 0.92rem;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-on-dark-muted);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .calculator-shell,
  .market-panel.active,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }

  .grid-2,
  .form-grid-2,
  .telemetry-kpis,
  .calc-result-grid {
    grid-template-columns: 1fr;
  }

  .funnel-stage {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}