/* ==========================================================================
   NEXORVA AI — Master Premium Light Design System
   Modern, Ultra-Lightweight, High-Performance CSS (Zero Dependencies)
   ========================================================================== */

:root {
  /* Color Palette — Ultra-Clean Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-accent-subtle: #eff6ff;
  --bg-glow: rgba(37, 99, 235, 0.04);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-accent: rgba(37, 99, 235, 0.25);

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-active: #1e40af;
  --primary-light: rgba(37, 99, 235, 0.08);
  --primary-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  --brand-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);

  --risk-high: #ef4444;
  --risk-high-bg: #fef2f2;
  --risk-mid: #f59e0b;
  --risk-mid-bg: #fffbeb;
  --risk-low: #10b981;
  --risk-low-bg: #ecfdf5;
  --risk-neural: #8b5cf6;
  --risk-neural-bg: #f5f3ff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 30px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 20px 40px -8px rgba(37, 99, 235, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.04);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img, svg {
  vertical-align: middle;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
}

/* Container Wrapper */
.wrap {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.wrap-narrow {
  max-width: 860px;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.4rem;
}

h4 {
  font-size: 1.15rem;
}

p {
  color: var(--text-secondary);
}

.lead {
  font-size: 1.18rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #ffffff;
  border-color: #0f172a;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
}

.btn-primary:hover {
  background: #1e293b;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
  color: #ffffff;
}

.btn-accent {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-accent:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.35);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* Navigation Header */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand svg {
  width: 32px;
  height: 32px;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

nav.primary {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

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

.nav-link svg.chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.nav-item:hover .nav-link svg.chevron {
  transform: rotate(180deg);
}

/* Mega Dropdown Menu */
.mega {
  position: absolute;
  top: calc(100% + 4px);
  left: -20px;
  width: 340px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  display: none;
  flex-direction: column;
  gap: 6px;
  z-index: 1010;
  animation: dropdownIn 0.2s ease forwards;
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.nav-item:hover .mega {
  display: flex;
}

.mega a {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: var(--transition);
}

.mega a:hover {
  background: var(--bg-secondary);
}

.mega a strong {
  font-size: 0.9rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.mega a span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-cta .login {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 12px;
}

.nav-cta .login:hover {
  color: var(--primary);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition);
}

.mobile-nav-panel {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  padding: 24px;
  flex-direction: column;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  z-index: 999;
}

.mobile-nav-panel.open {
  display: flex;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mobile-nav-links a {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-nav-links a:hover {
  color: var(--primary);
}

.mobile-nav-foot {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 70px 0 50px;
  background: radial-gradient(circle at 50% 0%, #eff6ff 0%, #ffffff 75%);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.35;
  pointer-events: none;
}

.hero-glow-orb {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.hero-glow-1 {
  top: -120px;
  left: 10%;
  background: #bfdbfe;
}

.hero-glow-2 {
  top: 80px;
  right: 5%;
  background: #fde68a;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.hero-inner h1 {
  margin-bottom: 22px;
  color: var(--text-primary);
}

.hero-inner h1 em {
  font-style: normal;
  color: var(--primary);
  position: relative;
}

.hero-inner h1 em::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2563eb, #60a5fa);
  border-radius: 2px;
}

.hero-inner .lead {
  max-width: 760px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
}

.hero-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  background: #ffffff;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.hero-note-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--risk-low);
}

/* Live Threat Ticker */
.ticker-band {
  background: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
  font-size: 0.84rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.ticker-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.ticker-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--risk-high);
  background: var(--risk-high-bg);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(239, 68, 68, 0.2);
  white-space: nowrap;
}

.ticker-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--risk-high);
  animation: pulseDot 1.5s infinite;
}

.ticker-content {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  flex: 1;
}

.ticker-track {
  display: inline-flex;
  gap: 40px;
  animation: tickerSlide 45s linear infinite;
}

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

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.ticker-item strong {
  color: var(--text-primary);
}

.ticker-tag {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.tag-critical { background: var(--risk-high-bg); color: var(--risk-high); }
.tag-warning { background: var(--risk-mid-bg); color: var(--risk-mid); }
.tag-info { background: var(--bg-accent-subtle); color: var(--primary); }

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

/* Interactive Simulator Stage */
.simulator-stage {
  position: relative;
  margin: 32px auto 0;
  max-width: 1120px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.sim-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 16px;
}

.sim-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.sim-selector {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sim-select {
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}

.sim-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.sim-map-box {
  position: relative;
  background: #fafcff;
  height: 380px;
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.sim-svg-map {
  width: 100%;
  height: 100%;
  display: block;
}

.route-base {
  fill: none;
  stroke: #cbd5e1;
  stroke-width: 2;
  stroke-dasharray: 4 4;
}

.route-active {
  fill: none;
  stroke: #2563eb;
  stroke-width: 2.5;
  stroke-dasharray: 6 4;
  animation: flowDash 30s linear infinite;
}

.route-risk {
  fill: none;
  stroke: #ef4444;
  stroke-width: 3;
  stroke-dasharray: 6 3;
  animation: flowDash 15s linear infinite;
}

.route-reroute {
  fill: none;
  stroke: #10b981;
  stroke-width: 3;
  stroke-dasharray: 8 4;
  animation: flowDash 20s linear infinite;
}

@keyframes flowDash {
  to { stroke-dashoffset: -300; }
}

.node-pulse {
  animation: pulseNode 2s infinite ease-in-out;
  transform-origin: center;
}

@keyframes pulseNode {
  0%, 100% { r: 5; opacity: 1; }
  50% { r: 9; opacity: 0.4; }
}

.sim-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #ffffff;
}

.sim-metric-card {
  padding: 20px 24px;
  border-right: 1px solid var(--border-subtle);
}

.sim-metric-card:last-child {
  border-right: none;
}

.sim-metric-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.sim-metric-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.sim-metric-delta {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.sim-metric-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Marquee Band */
.marquee-band {
  padding: 32px 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.marquee-head {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.logo-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.client-logo {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.client-logo:hover {
  color: var(--primary);
  transform: translateY(-1px);
}

.client-logo-icon {
  width: 22px;
  height: 22px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--primary);
}

/* Stats Band */
.stats-band {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-box {
  background: #ffffff;
  padding: 26px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-box:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-accent);
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
  margin-bottom: 6px;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Section Components */
.section {
  padding: 90px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-head.text-left {
  text-align: left;
  margin-left: 0;
}

.section-head h2 {
  margin-bottom: 16px;
}

.section-head p {
  font-size: 1.15rem;
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Feature Cards */
.card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37, 99, 235, 0.3);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-accent-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3, .card h4 {
  margin-bottom: 12px;
}

.card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.card-foot {
  margin-top: auto;
  padding-top: 20px;
}

/* Comparison Table */
.compare-box {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow-x: auto;
}

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

.compare-table th, .compare-table td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.92rem;
}

.compare-table th {
  background: var(--bg-secondary);
  font-weight: 700;
  color: var(--text-primary);
}

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

.compare-table .highlight-col {
  background: rgba(37, 99, 235, 0.03);
  font-weight: 600;
  color: var(--primary);
}

.check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #dcfce7;
  color: #15803d;
  font-size: 0.75rem;
  font-weight: 800;
}

.cross-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fee2e2;
  color: #b91c1c;
  font-size: 0.75rem;
  font-weight: 800;
}

/* Process Accordion */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.acc-item {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.acc-item:hover {
  border-color: var(--border-strong);
}

.acc-item.open {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.acc-head {
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.acc-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.acc-num {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.acc-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
}

.acc-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: transform 0.25s ease;
}

.acc-item.open .acc-toggle {
  transform: rotate(45deg);
  background: var(--primary-light);
  color: var(--primary);
}

.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.acc-item.open .acc-body {
  max-height: 1000px;
  transition: max-height 0.3s ease-in;
}

.acc-body-inner {
  padding: 0 24px 24px 72px;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* ROI Calculator Section */
.roi-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.calc-group {
  margin-bottom: 26px;
}

.calc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.calc-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calc-val-badge {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.slider-input {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-tertiary);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid #ffffff;
  box-shadow: var(--shadow-md);
  transition: transform 0.15s ease;
}

.slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.roi-results-box {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 36px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.roi-res-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
  margin-bottom: 8px;
}

.roi-res-num {
  font-size: 2.8rem;
  font-weight: 800;
  color: #38bdf8;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.roi-metric-row {
  display: flex;
  justify-content: space-around;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 18px;
  margin-top: 18px;
}

.roi-metric-item small {
  display: block;
  font-size: 0.75rem;
  color: #94a3b8;
}

.roi-metric-item span {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

/* Case Studies Pills & Cards */
.filter-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.pill {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: var(--transition);
}

.pill:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.pill.active {
  background: var(--brand-gradient);
  color: #ffffff;
  border-color: #0f172a;
}

.case-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-accent);
}

.case-metric {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.case-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.case-quote {
  font-size: 1rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

.case-attr {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

/* Quote Banner */
.quote-banner {
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  position: relative;
}

.quote-banner blockquote {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text-primary);
  max-width: 900px;
  margin: 0 auto 20px;
}

.quote-banner .quote-author {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

/* Integrations Wall */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.logo-cell {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-cell:hover {
  border-color: var(--border-accent);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* CTA Band */
.cta-band {
  background: var(--brand-gradient);
  color: #ffffff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band h2 {
  color: #ffffff;
  max-width: 720px;
  margin: 0 auto 20px;
}

.cta-band p {
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 1.15rem;
}

.cta-band .btn-primary {
  background: #ffffff;
  color: #0f172a;
  border-color: #ffffff;
}

.cta-band .btn-primary:hover {
  background: #f1f5f9;
  color: var(--primary);
}

/* Forms & Inputs */
.form-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 36px;
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand p {
  margin-top: 16px;
  max-width: 320px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-col h5 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  transform: translateX(2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 16px;
}

/* Responsive Queries */
@media (max-width: 1024px) {
  .grid-4, .stats-grid, .logo-wall {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .roi-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  nav.primary, .nav-cta .login {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  .sim-dashboard-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .acc-body-inner {
    padding-left: 24px;
  }
}