/* =============================================
   NEER AI Academy — Master Stylesheet
   ============================================= */

/* --- Custom Properties --- */
:root {
  /* Color System */
  --color-bg: #0a0e17;
  --color-bg-alt: #0f1421;
  --color-bg-card: #141a2a;
  --color-bg-card-hover: #1a2236;
  --color-surface: #1c2438;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(255, 255, 255, 0.12);

  --color-text: #e8eaf0;
  --color-text-secondary: #8b92a8;
  --color-text-muted: #5a6280;

  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #2563eb;
  --color-primary-glow: rgba(59, 130, 246, 0.15);

  /* Program accent colors */
  --color-drinking-water: #06b6d4;
  --color-drinking-water-glow: rgba(6, 182, 212, 0.15);
  --color-wastewater: #8b5cf6;
  --color-wastewater-glow: rgba(139, 92, 246, 0.15);
  --color-stormwater: #10b981;
  --color-stormwater-glow: rgba(16, 185, 129, 0.15);
  --color-executive: #f59e0b;
  --color-executive-glow: rgba(245, 158, 11, 0.15);

  --color-white: #ffffff;
  --color-accent: #f59e0b;

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

  /* Spacing */
  --section-padding: 120px;
  --container-max: 1200px;
  --container-narrow: 800px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.1);
}

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

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(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Section --- */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 72px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
  background: var(--color-primary-glow);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition-base);
  background: transparent;
}

.nav.scrolled {
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.logo-icon {
  color: var(--color-primary-light);
}

.logo-accent {
  color: var(--color-primary-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-base);
  border-radius: 1px;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-btn {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--color-primary);
  color: var(--color-white);
  transition: var(--transition-base);
}

.nav-btn:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition-base);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-particles {
  position: absolute;
  inset: 0;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(59, 130, 246, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 30% 70%, rgba(6, 182, 212, 0.05), transparent),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(139, 92, 246, 0.04), transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 840px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary-light);
  border: 1px solid rgba(59, 130, 246, 0.25);
  background: rgba(59, 130, 246, 0.08);
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 32px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-drinking-water), var(--color-stormwater));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

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

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--color-text), var(--color-text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-stat-divider {
  width: 1px;
  height: 48px;
  background: var(--color-border);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  animation: bounce 2s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.25);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}

.btn-secondary:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-text-secondary);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-bg);
}

.btn-white:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.15);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* --- Program Cards --- */
.program-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.program-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0;
  transition: var(--transition-base);
}

.program-card[data-program="drinking-water"]::before {
  background: linear-gradient(90deg, var(--color-drinking-water), var(--color-primary-light));
}

.program-card[data-program="wastewater"]::before {
  background: linear-gradient(90deg, var(--color-wastewater), var(--color-primary-light));
}

.program-card[data-program="stormwater"]::before {
  background: linear-gradient(90deg, var(--color-stormwater), var(--color-primary-light));
}

.program-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.program-card:hover::before {
  opacity: 1;
}

.program-card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.program-card-icon svg {
  width: 36px;
  height: 36px;
}

.program-card-icon.drinking-water {
  background: var(--color-drinking-water-glow);
  color: var(--color-drinking-water);
}

.program-card-icon.wastewater {
  background: var(--color-wastewater-glow);
  color: var(--color-wastewater);
}

.program-card-icon.stormwater {
  background: var(--color-stormwater-glow);
  color: var(--color-stormwater);
}

.program-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.program-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.program-card-highlights {
  margin-bottom: 28px;
}

.program-card-highlights li {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.program-card-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  transform: translateY(-50%);
}

.program-card[data-program="drinking-water"] .program-card-highlights li::before {
  background: var(--color-drinking-water);
}

.program-card[data-program="wastewater"] .program-card-highlights li::before {
  background: var(--color-wastewater);
}

.program-card[data-program="stormwater"] .program-card-highlights li::before {
  background: var(--color-stormwater);
}

.program-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition-base);
}

.program-card[data-program="drinking-water"] .program-card-link { color: var(--color-drinking-water); }
.program-card[data-program="wastewater"] .program-card-link { color: var(--color-wastewater); }
.program-card[data-program="stormwater"] .program-card-link { color: var(--color-stormwater); }

.program-card-link:hover {
  gap: 14px;
}

/* --- Pipeline / Approach --- */
.approach {
  background: var(--color-bg-alt);
}

.pipeline {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  margin-bottom: 80px;
  flex-wrap: wrap;
}

.pipeline-step {
  flex: 1;
  min-width: 180px;
  max-width: 240px;
  text-align: center;
  padding: 28px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pipeline-step:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.pipeline-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-glow);
  color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.pipeline-step h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pipeline-step p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.pipeline-arrow {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
  padding-top: 48px;
}

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

.approach-feature {
  padding: 32px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.approach-feature:hover {
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}

.approach-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-glow);
  color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.approach-feature h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.approach-feature p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- Pricing --- */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto 64px;
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card-featured {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.06), var(--color-bg-card));
}

.pricing-card-featured:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15);
}

.pricing-card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 5px 14px;
  border-radius: 50px;
}

.pricing-card-header {
  padding: 40px 32px 32px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.pricing-level {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 8px 0 20px;
  letter-spacing: -0.02em;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.pricing-currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.pricing-amount {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.pricing-period {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-left: 4px;
}

.pricing-duration {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-top: 8px;
  font-weight: 500;
}

.pricing-card-body {
  padding: 32px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.92rem;
  color: var(--color-text-secondary);
}

.pricing-features li svg {
  flex-shrink: 0;
  color: var(--color-stormwater);
  margin-top: 2px;
}

.pricing-features {
  margin-bottom: 28px;
}

/* Program Selector */
.program-selector {
  text-align: center;
  padding: 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.program-selector h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.program-selector-grid {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.program-selector-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-base);
}

.program-selector-item:hover {
  border-color: var(--color-border-light);
  background: var(--color-bg-card-hover);
}

.program-selector-icon {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.drinking-water-accent { background: var(--color-drinking-water); }
.wastewater-accent { background: var(--color-wastewater); }
.stormwater-accent { background: var(--color-stormwater); }

/* --- CTA --- */
.cta {
  background: linear-gradient(135deg, var(--color-primary-dark), #1e40af);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(6, 182, 212, 0.15), transparent),
    radial-gradient(ellipse 50% 60% at 80% 20%, rgba(139, 92, 246, 0.1), transparent);
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  color: var(--color-white);
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-alt);
  padding: 64px 0 32px;
  border-top: 1px solid var(--color-border);
}

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

.footer-tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 12px;
}

.footer-links h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 6px 0;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* --- Program Detail Pages --- */
.page-hero {
  padding: 160px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero.drinking-water-theme::before {
  background: radial-gradient(ellipse 80% 60% at 50% 40%, var(--color-drinking-water-glow), transparent);
}

.page-hero.wastewater-theme::before {
  background: radial-gradient(ellipse 80% 60% at 50% 40%, var(--color-wastewater-glow), transparent);
}

.page-hero.stormwater-theme::before {
  background: radial-gradient(ellipse 80% 60% at 50% 40%, var(--color-stormwater-glow), transparent);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 740px;
  margin: 0 auto;
}

.page-hero-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.drinking-water-theme .page-hero-tag {
  color: var(--color-drinking-water);
  border: 1px solid rgba(6, 182, 212, 0.3);
  background: var(--color-drinking-water-glow);
}

.wastewater-theme .page-hero-tag {
  color: var(--color-wastewater);
  border: 1px solid rgba(139, 92, 246, 0.3);
  background: var(--color-wastewater-glow);
}

.stormwater-theme .page-hero-tag {
  color: var(--color-stormwater);
  border: 1px solid rgba(16, 185, 129, 0.3);
  background: var(--color-stormwater-glow);
}

.page-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.page-hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.page-hero-meta {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.page-hero-meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-hero-meta-item strong {
  font-size: 1.3rem;
  font-weight: 800;
}

.page-hero-meta-item span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Level Banner */
.level-banner {
  padding: 60px 0;
  border-bottom: 1px solid var(--color-border);
}

.level-banner-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.level-banner-text h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.level-banner-text p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.level-banner-price {
  text-align: right;
}

.level-banner-price .price {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.level-banner-price .duration {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Module Cards */
.modules {
  padding: 80px 0;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.module-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition-base);
}

.module-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}

.module-card-number {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.module-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.module-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.module-card ul {
  margin-top: 12px;
}

.module-card ul li {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding: 4px 0 4px 18px;
  position: relative;
}

.module-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary-light);
}

/* Module card full width variant — disabled for uniform sizing */

/* Deliverable banner */
.deliverable-banner {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin-top: 24px;
}

.deliverable-banner h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.deliverable-banner p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Divider */
.section-divider {
  height: 1px;
  background: var(--color-border);
  margin: 0;
  border: none;
}

/* --- Pricing Value Badges --- */
.pricing-bonus {
  margin-top: 20px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.03));
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
}

.pricing-bonus-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.pricing-bonus-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.88rem;
  color: var(--color-text);
}

.pricing-bonus-item svg {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

.pricing-bonus-value {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-left: 4px;
}

/* --- Founder Section --- */
.founder {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.founder-content {
  display: flex;
  align-items: center;
  gap: 64px;
  max-width: 900px;
  margin: 0 auto;
}

.founder-avatar {
  flex-shrink: 0;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-glow), var(--color-wastewater-glow));
  border: 3px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.founder-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.founder-avatar-initials {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-wastewater));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.founder-info h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.founder-role {
  font-size: 0.9rem;
  color: var(--color-primary-light);
  font-weight: 600;
  margin-bottom: 20px;
}

.founder-bio {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.founder-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

.founder-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-light);
  transition: var(--transition-fast);
}

.founder-link:hover {
  color: var(--color-text);
}

/* --- Subscribe Section --- */
.subscribe {
  border-top: 1px solid var(--color-border);
}

.subscribe-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.subscribe-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.subscribe-content > p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.subscribe-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.subscribe-form .form-group {
  display: flex;
  flex-direction: column;
  text-align: left;
}

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

.subscribe-form label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.subscribe-form input {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  background: var(--color-bg-card);
  color: var(--color-text);
  transition: var(--transition-fast);
  outline: none;
}

.subscribe-form input::placeholder {
  color: var(--color-text-muted);
}

.subscribe-form input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.subscribe-form .btn {
  grid-column: 1 / -1;
  margin-top: 8px;
}

.subscribe-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 16px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .program-cards {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .approach-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .pipeline {
    flex-direction: column;
    align-items: center;
  }

  .pipeline-step {
    max-width: 100%;
    width: 100%;
  }

  .pipeline-arrow {
    transform: rotate(90deg);
    padding: 0;
  }

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

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

  .founder-content {
    flex-direction: column;
    text-align: center;
    gap: 32px;
  }

  .founder-links {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 40px;
    z-index: 999;
  }

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

  .nav-links .nav-link {
    font-size: 1.2rem;
  }

  .nav-links .nav-btn {
    font-size: 1rem;
    padding: 14px 36px;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat-divider {
    display: none;
  }

  .pricing-cards {
    grid-template-columns: 1fr;
  }

  .approach-features {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-hero {
    padding: 140px 24px 60px;
  }

  .level-banner-content {
    flex-direction: column;
    text-align: center;
  }

  .level-banner-price {
    text-align: center;
  }

  .founder-avatar {
    width: 160px;
    height: 160px;
  }

  .founder-avatar-initials {
    font-size: 2.8rem;
  }

  .subscribe-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 0.9rem;
  }

  .pricing-amount {
    font-size: 2.8rem;
  }
}

/* ============================================
   EXECUTIVE THEME
   ============================================ */
.page-hero.executive-theme::before {
  background: radial-gradient(ellipse at top, var(--color-executive-glow), transparent 60%);
}

.executive-theme .page-hero-tag {
  background: var(--color-executive-glow);
  color: var(--color-executive);
  border-color: rgba(245, 158, 11, 0.3);
}

.executive-theme .level-banner-price .price,
.executive-theme .module-card-number,
.executive-theme .deliverable-banner h3 {
  color: var(--color-executive);
}

.executive-theme .module-card ul li::before {
  background: var(--color-executive);
}

.executive-theme .module-card:hover {
  border-color: rgba(245, 158, 11, 0.35);
}

.executive-accent { background: var(--color-executive); }

/* ============================================
   AUDIENCE BAND  (executive program on homepage)
   ============================================ */
.audience-band {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 40px;
  background: linear-gradient(120deg, rgba(245, 158, 11, 0.07), var(--color-bg-card) 55%);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.audience-band:hover {
  border-color: rgba(245, 158, 11, 0.45);
  box-shadow: 0 20px 60px rgba(245, 158, 11, 0.08);
}

.audience-band-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-executive);
  background: var(--color-executive-glow);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.audience-band h3 {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.audience-band p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 20px;
}

.audience-band-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.audience-band-meta span {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 7px 16px;
  border-radius: 50px;
}

.audience-band-action {
  text-align: center;
  flex-shrink: 0;
}

.audience-band-price {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 4px;
}

.audience-band-price-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.btn-executive {
  background: var(--color-executive);
  color: #1a1204;
}

.btn-executive:hover {
  background: #fbbf24;
  transform: translateY(-2px);
}

/* ============================================
   TOOL STACK CHIPS
   ============================================ */
.stack-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 40px;
}

.stack-strip-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-right: 4px;
}

.stack-chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
}

.drinking-water-theme .stack-chip { border-color: rgba(6, 182, 212, 0.25); color: #7dd3e8; }
.wastewater-theme .stack-chip { border-color: rgba(139, 92, 246, 0.25); color: #c4b5fd; }
.stormwater-theme .stack-chip { border-color: rgba(16, 185, 129, 0.25); color: #6ee7b7; }

/* ============================================
   CALLOUT
   ============================================ */
.callout {
  display: flex;
  gap: 18px;
  padding: 24px 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  margin-bottom: 40px;
}

.callout svg {
  flex-shrink: 0;
  color: var(--color-primary-light);
  margin-top: 2px;
}

.callout h4 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.callout p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.callout-executive {
  border-left-color: var(--color-executive);
}

.callout-executive svg { color: var(--color-executive); }

/* ============================================
   AGENDA TIMELINE  (executive one-day)
   ============================================ */
.agenda {
  max-width: 900px;
  margin: 0 auto;
}

.agenda-item {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.agenda-item:last-child { border-bottom: none; }

.agenda-time {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-executive);
  padding-top: 2px;
  white-space: nowrap;
}

.agenda-body h3 {
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.agenda-body p {
  font-size: 0.94rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.agenda-body ul {
  list-style: none;
  margin-top: 12px;
}

.agenda-body ul li {
  position: relative;
  padding-left: 20px;
  padding-block: 5px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.agenda-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-executive);
}

.agenda-item-break {
  opacity: 0.55;
}

.agenda-item-break .agenda-body h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.agenda-session-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-executive);
  background: var(--color-executive-glow);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

/* ============================================
   DELIVERABLES GRID
   ============================================ */
.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.deliverable-item {
  padding: 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.deliverable-item:hover {
  border-color: rgba(245, 158, 11, 0.35);
  transform: translateY(-3px);
}

.deliverable-item-number {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-executive);
  margin-bottom: 12px;
}

.deliverable-item h4 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.deliverable-item p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ============================================
   3-UP PRICING + TEAM PACKAGE
   ============================================ */
.pricing-cards-3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 1140px;
  gap: 24px;
}

.pricing-cards-3 .pricing-card-header { padding: 36px 26px 28px; }
.pricing-cards-3 .pricing-card-body { padding: 28px 26px; }
.pricing-cards-3 .pricing-amount { font-size: 3rem; }
.pricing-cards-3 .pricing-title { font-size: 1.32rem; }

.pricing-card-executive {
  border-color: rgba(245, 158, 11, 0.3);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.06), var(--color-bg-card));
}

.pricing-card-executive:hover {
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 20px 60px rgba(245, 158, 11, 0.1);
}

.pricing-card-executive .pricing-level { color: var(--color-executive); }
.pricing-card-executive .pricing-features li svg { color: var(--color-executive); }

.pricing-audience {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 14px;
  font-style: italic;
}

.team-package {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 40px;
  background: linear-gradient(120deg, rgba(59, 130, 246, 0.07), var(--color-bg-card) 55%);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}

.team-package-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-primary-light);
  background: var(--color-primary-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.team-package h3 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.team-package > div > p {
  color: var(--color-text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 20px;
}

.team-package-includes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.team-package-includes span {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 7px 16px;
  border-radius: 50px;
}

.team-package-price {
  text-align: center;
  flex-shrink: 0;
}

.team-package-price .amount {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.team-package-price .strike {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
  margin-bottom: 4px;
}

.team-package-price .save {
  font-size: 0.84rem;
  color: var(--color-stormwater);
  font-weight: 600;
  margin: 6px 0 20px;
}

/* ============================================
   PATH TRACK  (foundation -> advanced flow)
   ============================================ */
.twin-path {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.twin-path-card {
  padding: 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.twin-path-card-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.twin-path-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.twin-path-card p {
  font-size: 0.94rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   RESPONSIVE — new components
   ============================================ */
@media (max-width: 1024px) {
  .pricing-cards-3 {
    grid-template-columns: 1fr;
    max-width: 520px;
  }

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

  .audience-band,
  .team-package {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .audience-band-action,
  .team-package-price {
    text-align: left;
  }

  .twin-path {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .agenda-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

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

  .audience-band,
  .team-package {
    padding: 32px 24px;
  }

  .audience-band h3,
  .team-package h3 {
    font-size: 1.35rem;
  }

  .stack-strip {
    padding: 20px;
  }
}

/* Executive programs section */
.programs-exec {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.section-tag-exec {
  color: var(--color-executive);
  background: var(--color-executive-glow);
}

.programs-exec .audience-band {
  margin-top: 0;
}

/* ============================================
   PROGRAM CARD META ROW
   ============================================ */
.program-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 16px 0 4px;
  margin-top: 20px;
  border-top: 1px solid var(--color-border);
}

.program-card-meta-item {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}

.program-card-meta-item strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

/* ============================================
   EXECUTIVE FEATURE CARD
   ============================================ */
.exec-feature {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr 220px;
  gap: 0;
  background: linear-gradient(125deg, rgba(245, 158, 11, 0.09), var(--color-bg-card) 60%);
  border: 1px solid rgba(245, 158, 11, 0.28);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.exec-feature:hover {
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 24px 70px rgba(245, 158, 11, 0.1);
}

.exec-feature-main {
  padding: 44px;
}

.exec-feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-executive-glow);
  color: var(--color-executive);
  margin-bottom: 22px;
}

.exec-feature-icon svg { width: 30px; height: 30px; }

.exec-feature-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-executive);
  background: var(--color-executive-glow);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.exec-feature-main h3 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 14px;
}

.exec-feature-main > p {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: 22px;
}

.exec-feature-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.exec-feature-meta span {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: 50px;
}

.exec-feature-list {
  padding: 44px 36px;
  border-left: 1px solid var(--color-border);
}

.exec-feature-list-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.exec-feature-list ul { list-style: none; }

.exec-feature-list li {
  position: relative;
  padding-left: 26px;
  padding-block: 7px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.exec-feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--color-executive);
  border-bottom: 2px solid var(--color-executive);
  transform: rotate(-45deg);
}

.exec-feature-action {
  padding: 44px 32px;
  border-left: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.exec-feature-price {
  font-size: 2.7rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.exec-feature-price-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin: 6px 0 22px;
}

.exec-feature-fineprint {
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-top: 14px;
}

/* ============================================
   PRICING CARD FIXES — badge collision + equal heights
   ============================================ */
.pricing-cards-3 .pricing-card {
  display: flex;
  flex-direction: column;
}

.pricing-cards-3 .pricing-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.pricing-cards-3 .pricing-bonus {
  margin-top: auto;
}

.pricing-cards-3 .pricing-card-badge {
  top: 16px;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  white-space: nowrap;
}

.pricing-cards-3 .pricing-card-header {
  padding-top: 58px;
}

@media (max-width: 1024px) {
  .exec-feature {
    grid-template-columns: 1fr;
  }

  .exec-feature-list,
  .exec-feature-action {
    border-left: none;
    border-top: 1px solid var(--color-border);
  }

  .exec-feature-action {
    text-align: left;
    align-items: flex-start;
  }

  .exec-feature-action .btn-block { width: auto; }
}

@media (max-width: 768px) {
  .exec-feature-main,
  .exec-feature-list,
  .exec-feature-action {
    padding: 32px 24px;
  }

  .program-card-meta { gap: 14px; }
}

/* ============================================
   FREE FUNDAMENTALS — long-form lesson pages
   ============================================ */
.free-theme .page-hero-tag {
  color: var(--color-stormwater);
  border: 1px solid rgba(16, 185, 129, 0.3);
  background: var(--color-stormwater-glow);
}

.lesson-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
  padding: 40px 0 100px;
}

.lesson-toc {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.86rem;
}

.lesson-toc-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.lesson-toc a {
  color: var(--color-text-secondary);
  padding: 6px 12px;
  border-left: 2px solid var(--color-border);
  transition: var(--transition-fast);
}

.lesson-toc a:hover,
.lesson-toc a.active {
  color: var(--color-text);
  border-left-color: var(--lesson-accent, var(--color-primary));
}

.lesson-body {
  max-width: 780px;
  display: flex;
  flex-direction: column;
  gap: 88px;
}

.lesson {
  display: flex;
  flex-direction: column;
  gap: 18px;
  scroll-margin-top: 96px;
}

.lesson-num {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--lesson-accent, var(--color-primary-light));
}

.lesson h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.lesson h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-top: 10px;
}

.lesson p,
.lesson li {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.75;
}

.lesson p strong,
.lesson li strong { color: var(--color-text); }

.lesson-lede {
  font-size: 1.08rem !important;
  color: var(--color-text) !important;
}

.lesson code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--color-text);
}

.lesson ul.plain { display: flex; flex-direction: column; gap: 6px; }
.lesson ul.plain li { padding-left: 18px; position: relative; }
.lesson ul.plain li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lesson-accent, var(--color-primary-light));
}

/* Numbered steps */
.lesson-steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lesson-steps > li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.lesson-steps > li::before {
  content: counter(step);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-bg);
  background: var(--lesson-accent, var(--color-primary));
  margin-top: 2px;
}

.lesson-steps h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 2px;
}

/* Rule / fact cards */
.lesson-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.lesson-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lesson-card .eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.lesson-card .big {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.lesson-card h4 { font-size: 1rem; font-weight: 700; }
.lesson-card p { font-size: 0.9rem; line-height: 1.65; }
.lesson-card .q { font-size: 0.86rem; color: var(--color-text-muted); font-style: italic; }

/* Tables */
.lesson-table {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
}

.lesson-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.lesson-table th,
.lesson-table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.lesson-table th {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  background: var(--color-surface);
  white-space: nowrap;
}

.lesson-table td:first-child { color: var(--color-text); font-weight: 600; }
.lesson-table tr:last-child td { border-bottom: 0; }
.lesson-table td.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Formula */
.lesson-formula {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  overflow-x: auto;
  white-space: nowrap;
}

.lesson-formula small {
  display: block;
  white-space: normal;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

/* Notes */
.lesson-note {
  border-left: 3px solid var(--color-executive);
  background: var(--color-bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 14px 18px;
}

.lesson-note p { font-size: 0.92rem; }
.lesson-note strong { color: var(--color-executive) !important; }

/* Figures */
.lesson-figure {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lesson-figure .chart { overflow-x: auto; }
.lesson-figure svg { display: block; width: 100%; min-width: 520px; height: auto; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 0.82rem; color: var(--color-text-secondary); }
.chart-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 7px; vertical-align: -1px; }
.lesson-figure figcaption { font-size: 0.86rem; color: var(--color-text-muted); line-height: 1.6; }

/* Process flow */
.process-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  counter-reset: pf;
}

.process-flow > div {
  counter-increment: pf;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--lesson-accent, var(--color-primary));
  border-radius: var(--radius-sm);
  padding: 14px;
}

.process-flow > div::before {
  content: counter(pf, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.process-flow h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 4px; }
.process-flow p { font-size: 0.8rem !important; line-height: 1.5 !important; }

/* Next step box */
.lesson-next {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.water-fund { --lesson-accent: var(--color-drinking-water); }
.ww-fund { --lesson-accent: var(--color-wastewater); }
.storm-fund { --lesson-accent: var(--color-stormwater); }

/* Free programs on the homepage */
.free-programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.free-program-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--card-accent);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition-base);
}

.free-program-card:hover { border-color: var(--color-border-light); transform: translateY(-2px); }
.free-program-card .free-badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stormwater);
  background: var(--color-stormwater-glow);
  padding: 4px 12px;
  border-radius: 50px;
}

.free-program-card h3 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.free-program-card p { color: var(--color-text-secondary); font-size: 0.94rem; line-height: 1.7; }
.free-program-card ul { display: flex; flex-wrap: wrap; gap: 8px; }
.free-program-card ul li {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 6px;
}
.free-program-card .btn { align-self: flex-start; margin-top: auto; }

@media (max-width: 1024px) {
  .lesson-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .lesson-toc {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }
  .lesson-toc-label { width: 100%; margin-bottom: 2px; }
  .lesson-toc a {
    border: 1px solid var(--color-border);
    border-radius: 50px;
    padding: 4px 12px;
    font-size: 0.8rem;
  }
  .free-programs-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .lesson-body { gap: 64px; }
  .lesson-next, .free-program-card { padding: 24px 20px; }
}

/* Sign-up forms */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.signup-status { font-size: 0.92rem; margin-top: 14px; color: var(--color-text-secondary); }
.signup-status:empty { display: none; }
.signup-status.success { color: #34d399; }
.signup-status.error { color: #f87171; }

.course-signup {
  margin-top: 8px;
  padding: 28px 32px;
  border: 1px dashed var(--color-border-light);
  border-radius: var(--radius-lg);
}

.course-signup h3 { margin-top: 0; }
.course-signup p { font-size: 0.92rem; margin: 6px 0 16px; }

.course-signup-form {
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap: 10px;
}

.course-signup-form input:not(.hp-field) {
  font: inherit;
  font-size: 0.92rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  min-width: 0;
}

.course-signup-form input:focus { outline: none; border-color: var(--lesson-accent, var(--color-primary)); }

@media (max-width: 768px) {
  .course-signup { padding: 22px 20px; }
  .course-signup-form { grid-template-columns: 1fr; }
}

/* Session dates */
.next-session {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.session-list {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin: 0 0 32px;
  text-align: left;
  overflow: hidden;
}

.session-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 12px;
  padding: 11px 16px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--color-border);
}

.session-row:last-child { border-bottom: 0; }
.session-name { color: var(--color-text); font-weight: 600; }
.session-format, .session-dates { color: var(--color-text-secondary); }

.subscribe-form select {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}

@media (max-width: 768px) {
  .session-row { grid-template-columns: 1fr; gap: 2px; }
}