/* ==========================================================================
   PocketAI Landing Page Styles — 2026
   Mobile-first, WCAG 2.2 AAA, uses --pai-* design tokens
   ========================================================================== */

/* ==========================================================================
   1. Base & Reset
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--pai-font-landing);
  color: var(--pai-text-secondary-aaa);
  line-height: 1.7;
  overflow-x: hidden;
  background: var(--pai-bg-primary);
  font-size: 1rem; /* 16px base */
}

/* Skip Link (WCAG 2.2 AAA) */
.skip-link {
  position: absolute;
  top: -6.25rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--pai-primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 0.75rem 0.75rem;
  z-index: 9999;
  transition: top 0.3s ease;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
  color: #fff;
}

/* Global focus (WCAG 2.2 AAA: 3px visible indicator) */
:focus-visible {
  outline: var(--pai-focus-width) solid var(--pai-focus-color);
  outline-offset: var(--pai-focus-offset);
}

/* Visually hidden for accessibility */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ==========================================================================
   2. Navigation
   ========================================================================== */

#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(1.25rem);
  -webkit-backdrop-filter: blur(1.25rem);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 0.75rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(0.75rem);
  -webkit-backdrop-filter: blur(0.75rem);
  padding: 0.375rem 1rem;
  border-radius: var(--pai-radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

#header.scrolled .logo {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 0, 0, 0.08);
}

.logo img {
  height: 2.5rem;
  transition: all 0.3s ease;
}

#header.scrolled .logo img {
  height: 2.25rem;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: block;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #fff;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

#header.scrolled .mobile-menu-toggle {
  color: var(--pai-text-secondary-aaa);
}

/* Dark mode toggle */
.dark-mode-toggle {
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border-radius: var(--pai-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  transition: all 0.3s ease;
}

#header.scrolled .dark-mode-toggle {
  color: var(--pai-text-secondary-aaa);
  border-color: var(--pai-border-default);
}

.dark-mode-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

#header.scrolled .dark-mode-toggle:hover {
  background: var(--pai-bg-muted);
}

/* Nav menu — mobile first (hidden by default) */
.nav-menu {
  display: none;
  position: fixed;
  top: 4.375rem;
  left: 0;
  right: 0;
  background: #fff;
  flex-direction: column;
  padding: 1.5rem;
  box-shadow: var(--pai-shadow-lg);
  list-style: none;
  margin: 0;
  gap: 0.25rem;
}

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

.nav-menu a {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.125rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--pai-text-secondary-aaa);
  text-decoration: none;
  border-radius: 0.625rem;
  transition: all 0.3s ease;
  min-height: 2.75rem;
  width: 100%;
  justify-content: center;
}

.nav-menu a:hover {
  background: var(--pai-bg-muted);
  color: var(--pai-primary-text-aaa);
}

.nav-cta {
  background: var(--pai-gradient-primary) !important;
  color: #fff !important;
  font-weight: 600 !important;
  box-shadow: var(--pai-shadow-md);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--pai-shadow-lg) !important;
  color: #fff !important;
}

.dropdown-menu {
  border: none;
  border-radius: var(--pai-radius-lg);
  box-shadow: var(--pai-shadow-xl);
  padding: 0.75rem;
  margin-top: 0.5rem;
}

.dropdown-item {
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-weight: 500;
  color: var(--pai-text-secondary-aaa);
  transition: all 0.2s ease;
  min-height: 2.75rem;
}

.dropdown-item:hover {
  background: var(--pai-bg-muted);
  color: var(--pai-primary-text-aaa);
}

.dropdown-menu a {
  color: var(--pai-text-secondary-aaa) !important;
}

.dropdown-menu a:hover {
  color: var(--pai-primary-text-aaa) !important;
}

/* Header controls wrapper */
.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   3. Hero Section
   ========================================================================== */

.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  background: var(--pai-gradient-hero);
  overflow: hidden;
  padding: 7rem 0 4rem;
}

/* Subtle grid pattern overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 3rem 3rem;
  pointer-events: none;
  z-index: 0;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(244, 114, 182, 0.15) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* Animated gradient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(5rem);
  opacity: 0.6;
  animation: float 20s ease-in-out infinite;
}

.hero-orb-1 {
  width: 18.75rem;
  height: 18.75rem;
  background: var(--pai-primary);
  top: -6.25rem;
  right: -6.25rem;
}

.hero-orb-2 {
  width: 12.5rem;
  height: 12.5rem;
  background: var(--pai-secondary);
  bottom: -3.125rem;
  left: -3.125rem;
}

.hero-orb-3 {
  width: 9.375rem;
  height: 9.375rem;
  background: var(--pai-accent);
  top: 50%;
  left: 50%;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(1.875rem, -1.875rem) scale(1.05); }
  50% { transform: translate(-1.25rem, 1.25rem) scale(0.95); }
  75% { transform: translate(1.25rem, 0.625rem) scale(1.02); }
}

.hero > .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(0.625rem);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.5rem 1.25rem;
  border-radius: 3.125rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pai-text-on-dark-aaa);
  margin-bottom: 2rem;
  letter-spacing: 0.01em;
  animation: heroFadeInUp 0.6s ease-out both;
}

.hero-badge i {
  color: var(--pai-warning);
  font-size: 1rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  color: #fff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  animation: heroFadeInUp 0.6s ease-out 0.1s both;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #67e8f9 50%, #f9a8d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: heroFadeInUp 0.6s ease-out 0.1s both, gradientShift 6s ease-in-out infinite;
}

.hero-description {
  font-size: 1.1875rem;
  color: var(--pai-text-on-dark-aaa);
  margin-bottom: 2rem;
  max-width: 33.75rem;
  line-height: 1.7;
  animation: heroFadeInUp 0.6s ease-out 0.2s both;
}

@keyframes heroFadeInUp {
  from {
    opacity: 0;
    transform: translateY(1.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
  animation: heroFadeInUp 0.6s ease-out 0.3s both;
}

.hero-cta-microcopy {
  font-size: 0.875rem;
  color: var(--pai-text-on-dark-muted-aaa);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: heroFadeInUp 0.6s ease-out 0.4s both;
}

.hero-cta-microcopy i {
  color: var(--pai-success-on-dark-aaa);
}

.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.125rem 2.25rem;
  background: var(--pai-gradient-primary);
  color: #fff;
  font-size: 1.0625rem;
  font-weight: 700;
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 0.25rem 1.25rem rgba(99, 102, 241, 0.4);
  min-height: 2.75rem;
  position: relative;
  overflow: hidden;
}

.btn-primary-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary-glow:hover::before {
  opacity: 1;
}

.btn-primary-glow:hover {
  transform: translateY(-0.1875rem);
  box-shadow: 0 0.5rem 2rem rgba(99, 102, 241, 0.6);
  color: #fff;
}

.btn-secondary-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: transparent;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  min-height: 2.75rem;
}

.btn-secondary-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  animation: heroFadeInUp 0.6s ease-out 0.5s both;
}

.hero-stat {
  text-align: left;
  position: relative;
  padding-left: 1rem;
}

.hero-stat::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 3px;
  background: var(--pai-gradient-primary);
  border-radius: 2px;
}

.hero-stat-number {
  font-size: 1.875rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 0.125rem;
}

.hero-stat-number span {
  color: var(--pai-primary-light-text-aaa);
  font-weight: 700;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--pai-text-on-dark-muted-aaa);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image {
  width: 100%;
  max-width: 37.5rem;
  border-radius: var(--pai-radius-xl);
  box-shadow:
    0 1.5rem 3.75rem rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 0 3.75rem rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-image-wrapper:hover .hero-image {
  transform: translateY(-0.25rem);
  box-shadow:
    0 2rem 5rem rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.15),
    0 0 5rem rgba(99, 102, 241, 0.25);
}

/* Floating feature cards */
.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(0.625rem);
  border-radius: var(--pai-radius-lg);
  padding: 1rem 1.25rem;
  box-shadow: var(--pai-shadow-lg);
  display: none; /* hidden on mobile */
  align-items: center;
  gap: 0.75rem;
  animation: floatCard 4s ease-in-out infinite;
}

.floating-card-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #fff;
}

.floating-card-text {
  font-weight: 600;
  color: var(--pai-text-primary-aaa);
  font-size: 0.875rem;
}

.floating-card-1 {
  top: 10%;
  left: -2rem;
}

.floating-card-2 {
  top: 45%;
  right: -2.5rem;
  animation-delay: -2s;
}

.floating-card-3 {
  bottom: 5%;
  left: 5%;
  animation-delay: -4s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-0.625rem); }
}

/* Scroll animations — content visible by default (progressive enhancement) */
[data-animate] {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animate-hidden {
  opacity: 0;
  transform: translateY(1.875rem);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(1.875rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(1.875rem); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   4. Social Proof Bar
   ========================================================================== */

.social-proof {
  background: var(--pai-bg-surface);
  border-bottom: 1px solid var(--pai-bg-inset);
  padding: 1.5rem 0;
}

.social-proof-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.social-proof-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--pai-text-muted-aaa);
  text-transform: uppercase;
  letter-spacing: 0.0625rem;
}

.social-proof-logos {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.social-proof-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--pai-text-muted-aaa);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.social-proof-logo i {
  font-size: 1.25rem;
}

/* ==========================================================================
   5. Problem/Solution Section (NEW — Conversion)
   ========================================================================== */

.problem-solution {
  padding: 5rem 0;
  background: var(--pai-bg-surface);
}

.problem-solution-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.problem-col,
.solution-col {
  padding: 2rem;
  border-radius: var(--pai-radius-xl);
}

.problem-col {
  background: #fef2f2;
  border: 1px solid #fecaca;
}

.solution-col {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}

[data-theme="dark"] .problem-col {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .solution-col {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
}

.problem-col-header,
.solution-col-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.problem-col-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pai-danger-text-aaa);
  margin: 0;
}

.solution-col-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pai-success-text-aaa);
  margin: 0;
}

.pain-point,
.solution-point {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.pain-point:last-child,
.solution-point:last-child {
  border-bottom: none;
}

.pain-point-icon,
.solution-point-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.pain-point-icon {
  background: rgba(239, 68, 68, 0.1);
  color: var(--pai-danger-text-aaa);
}

.solution-point-icon {
  background: rgba(16, 185, 129, 0.1);
  color: var(--pai-success-text-aaa);
}

.pain-point h4,
.solution-point h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 0.25rem;
}

.pain-point p,
.solution-point p {
  font-size: 0.9375rem;
  color: var(--pai-text-muted-aaa);
  margin: 0;
}

/* ==========================================================================
   6. Features Section (Tabbed)
   ========================================================================== */

.features {
  padding: 5rem 0;
  background: var(--pai-bg-surface);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
  color: var(--pai-primary-text-aaa);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09375rem;
  padding: 0.5rem 1rem;
  border-radius: 3.125rem;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-description {
  font-size: 1.0625rem;
  color: var(--pai-text-muted-aaa);
  max-width: 37.5rem;
}

/* Feature tabs */
.feature-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--pai-bg-inset);
  padding-bottom: 0;
}

.feature-tab {
  background: none;
  border: none;
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--pai-text-muted-aaa);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.3s ease;
  min-height: 2.75rem;
  font-family: var(--pai-font-landing);
}

.feature-tab:hover {
  color: var(--pai-primary-text-aaa);
}

.feature-tab[aria-selected="true"] {
  color: var(--pai-primary-text-aaa);
  border-bottom-color: var(--pai-primary-text-aaa);
}

.feature-tabpanel {
  display: none;
}

.feature-tabpanel.active {
  display: block;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-card {
  background: var(--pai-bg-primary);
  border-radius: var(--pai-radius-xl);
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0.25rem;
  background: var(--pai-gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  background: var(--pai-bg-surface);
  border-color: var(--pai-bg-inset);
  box-shadow: var(--pai-shadow-lg);
  transform: translateY(-0.25rem);
}

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

.feature-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #fff;
}

.feature-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 0.75rem;
}

.feature-description {
  color: var(--pai-text-muted-aaa);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ==========================================================================
   7. Bento Grid Section
   ========================================================================== */

.bento-section {
  padding: 5rem 0;
  background: var(--pai-bg-primary);
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

.bento-card {
  background: var(--pai-bg-surface);
  border-radius: var(--pai-radius-xl);
  padding: 2rem;
  border: 1px solid var(--pai-bg-inset);
  transition: all 0.4s ease;
  overflow: hidden;
  position: relative;
}

.bento-card:hover {
  box-shadow: var(--pai-shadow-lg);
  transform: translateY(-0.25rem);
}

.bento-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 1.5rem;
}

.bento-card-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 0.75rem;
}

.bento-card-description {
  color: var(--pai-text-muted-aaa);
  font-size: 1rem;
  line-height: 1.7;
}

.bento-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pai-bg-inset);
  flex-wrap: wrap;
}

.bento-stat h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--pai-primary-text-aaa);
  margin-bottom: 0.25rem;
}

.bento-stat p {
  font-size: 0.875rem;
  color: var(--pai-text-muted-aaa);
  margin: 0;
}

/* ==========================================================================
   8. How It Works
   ========================================================================== */

.how-it-works {
  padding: 5rem 0;
  background: var(--pai-bg-surface);
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 3rem;
  position: relative;
  list-style: none;
  padding: 0;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: var(--pai-gradient-primary);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0.5rem 1.875rem rgba(99, 102, 241, 0.3);
}

.step-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 0.75rem;
}

.step-description {
  color: var(--pai-text-muted-aaa);
  font-size: 0.9375rem;
  max-width: 15.625rem;
  margin: 0 auto;
}

/* ==========================================================================
   9. Testimonials
   ========================================================================== */

.testimonials {
  padding: 5rem 0;
  background: var(--pai-gradient-hero);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 90%, rgba(99, 102, 241, 0.3) 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(14, 165, 233, 0.2) 0%, transparent 40%);
}

.testimonials .section-label {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.testimonials .section-title {
  color: #fff;
}

.testimonials .section-description {
  color: var(--pai-text-on-dark-muted-aaa);
}

/* Testimonial carousel */
.testimonial-carousel {
  position: relative;
  margin-top: 3rem;
  z-index: 1;
}

.testimonial-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 1rem;
  scrollbar-width: none;
}

.testimonial-track::-webkit-scrollbar {
  display: none;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(1.25rem);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--pai-radius-xl);
  padding: 2rem;
  transition: all 0.4s ease;
  scroll-snap-align: start;
  flex: 0 0 calc(100% - 1rem);
  min-width: 0;
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-0.25rem);
}

.testimonial-stars {
  color: var(--pai-warning);
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}

.testimonial-text {
  color: var(--pai-text-on-dark-aaa);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-text p {
  margin: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: var(--pai-gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--pai-text-on-dark-muted-aaa);
}

/* Carousel nav buttons */
.carousel-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.carousel-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.carousel-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   10. Pricing
   ========================================================================== */

.pricing {
  padding: 5rem 0;
  background: var(--pai-bg-surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: var(--pai-bg-primary);
  border-radius: var(--pai-radius-xl);
  padding: 2.5rem;
  border: 2px solid transparent;
  transition: all 0.4s ease;
  position: relative;
}

.pricing-card.featured {
  background: var(--pai-bg-surface);
  border-color: var(--pai-primary);
  box-shadow: var(--pai-shadow-xl);
}

.pricing-popular-badge {
  position: absolute;
  top: -0.875rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--pai-gradient-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.375rem 1.25rem;
  border-radius: 3.125rem;
  text-transform: uppercase;
  letter-spacing: 0.0625rem;
  white-space: nowrap;
}

.pricing-card:hover {
  transform: translateY(-0.25rem);
  box-shadow: var(--pai-shadow-lg);
}

.pricing-name {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 0.5rem;
}

.pricing-description {
  color: var(--pai-text-muted-aaa);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.pricing-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
}

.pricing-amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--pai-text-primary-aaa);
  line-height: 1;
}

.pricing-period {
  font-size: 1rem;
  color: var(--pai-text-muted-aaa);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--pai-bg-inset);
  font-size: 0.9375rem;
  color: var(--pai-text-secondary-aaa);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features i {
  color: var(--pai-success);
  font-size: 1.125rem;
  margin-top: 0.125rem;
}

.pricing-cta {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.75rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  text-decoration: none;
  display: block;
  min-height: 2.75rem;
  font-family: var(--pai-font-landing);
}

.pricing-cta-primary {
  background: var(--pai-gradient-primary);
  color: #fff;
}

.pricing-cta-primary:hover {
  box-shadow: 0 0.5rem 1.875rem rgba(99, 102, 241, 0.4);
  transform: translateY(-0.125rem);
  color: #fff;
}

.pricing-cta-secondary {
  background: var(--pai-bg-surface);
  color: var(--pai-text-secondary-aaa);
  border: 2px solid var(--pai-bg-inset);
}

.pricing-cta-secondary:hover {
  border-color: var(--pai-primary);
  color: var(--pai-primary-text-aaa);
}

/* ==========================================================================
   11. FAQ
   ========================================================================== */

.faq {
  padding: 5rem 0;
  background: var(--pai-bg-primary);
}

.faq-container {
  max-width: 50rem;
  margin: 3rem auto 0;
}

.faq-item {
  background: var(--pai-bg-surface);
  border-radius: var(--pai-radius-lg);
  margin-bottom: 1rem;
  border: 1px solid var(--pai-bg-inset);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--pai-shadow-md);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem 2rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--pai-text-primary-aaa);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: all 0.3s ease;
  min-height: 2.75rem;
  font-family: var(--pai-font-landing);
}

.faq-question:hover {
  color: var(--pai-primary-text-aaa);
}

.faq-question i {
  font-size: 1.25rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[data-open="true"] .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item[data-open="true"] .faq-answer {
  max-height: 31.25rem;
}

.faq-answer p {
  padding: 0 2rem 1.5rem;
  color: var(--pai-text-muted-aaa);
  line-height: 1.8;
}

/* ==========================================================================
   12. CTA Section
   ========================================================================== */

.cta-section {
  padding: 5rem 0;
  background: var(--pai-gradient-hero);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 70%, rgba(99, 102, 241, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(14, 165, 233, 0.3) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 43.75rem;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.cta-description {
  font-size: 1.0625rem;
  color: var(--pai-text-on-dark-muted-aaa);
  margin-bottom: 2.5rem;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 31.25rem;
  margin: 0 auto;
}

.cta-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.cta-form-group label {
  color: var(--pai-text-on-dark-aaa);
  font-size: 0.875rem;
  font-weight: 500;
}

.cta-input {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(0.625rem);
  color: #fff;
  outline: none;
  transition: all 0.3s ease;
  font-family: var(--pai-font-landing);
}

.cta-input::placeholder {
  color: var(--pai-text-on-dark-muted-aaa);
}

.cta-input:focus {
  border-color: var(--pai-primary-light);
  background: rgba(255, 255, 255, 0.15);
}

.cta-button {
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  background: #fff;
  color: var(--pai-primary-text-aaa);
  border: none;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  min-height: 2.75rem;
  font-family: var(--pai-font-landing);
}

.cta-button:hover {
  transform: translateY(-0.125rem);
  box-shadow: 0 0.5rem 1.875rem rgba(255, 255, 255, 0.2);
}

.cta-note {
  font-size: 0.875rem;
  color: var(--pai-text-on-dark-muted-aaa);
  margin-top: 1rem;
}

/* Form status messages (WCAG: aria-live region) */
.form-status {
  font-size: 0.9375rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin-top: 0.75rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  color: var(--pai-success-text-aaa);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  color: var(--pai-danger-text-aaa);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Trust badges */
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--pai-text-on-dark-muted-aaa);
  font-weight: 500;
}

.trust-badge i {
  font-size: 1rem;
  color: var(--pai-success);
}

/* ==========================================================================
   13. About Section
   ========================================================================== */

.about {
  padding: 5rem 0;
  background: var(--pai-bg-surface);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--pai-text-muted-aaa);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-founder {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--pai-bg-primary);
  border-radius: var(--pai-radius-md);
}

.about-founder img {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  object-fit: cover;
}

.about-founder-name {
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  font-size: 1rem;
}

.about-founder-title {
  font-size: 0.875rem;
  color: var(--pai-text-muted-aaa);
}

.about-values {
  margin-top: 2.5rem;
}

.about-value {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.about-value-icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  color: #fff;
  flex-shrink: 0;
}

.about-value h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 0.25rem;
}

.about-value p {
  margin: 0;
  font-size: 0.9375rem;
}

.about-card {
  background: var(--pai-bg-primary);
  border-radius: var(--pai-radius-xl);
  padding: 2.5rem;
  border: 1px solid var(--pai-bg-inset);
}

.about-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 1rem;
}

.about-card p {
  color: var(--pai-text-muted-aaa);
  font-size: 1rem;
  line-height: 1.8;
}

/* ==========================================================================
   14. Contact Section
   ========================================================================== */

.contact {
  padding: 3.75rem 0;
  background: var(--pai-bg-primary);
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 56.25rem;
  margin: 0 auto;
}

.contact-card {
  background: var(--pai-bg-surface);
  border-radius: var(--pai-radius-lg);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--pai-bg-inset);
  transition: all 0.3s ease;
}

.contact-card:hover {
  box-shadow: var(--pai-shadow-lg);
  transform: translateY(-0.25rem);
}

.contact-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: var(--pai-gradient-primary);
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.contact-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 0.5rem;
}

.contact-card p,
.contact-card a {
  color: var(--pai-text-muted-aaa);
  text-decoration: none;
  font-size: 0.9375rem;
}

.contact-card a:hover {
  color: var(--pai-primary-text-aaa);
}

/* ==========================================================================
   15. Footer
   ========================================================================== */

footer {
  background: var(--pai-dark);
  color: var(--pai-text-on-dark-muted-aaa);
  padding: 3.75rem 0 2.5rem;
}

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

.footer-brand p {
  margin-top: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.0625rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--pai-text-on-dark-muted-aaa);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: all 0.3s ease;
  display: inline-block;
  min-height: 2.75rem;
  line-height: 2.75rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.footer-copyright {
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-legal a {
  color: var(--pai-text-on-dark-muted-aaa);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.footer-legal a:hover {
  color: #fff;
}

/* ==========================================================================
   16. Back to Top
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.25rem;
  height: 3.25rem;
  background: var(--pai-gradient-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(1.25rem);
  transition: all 0.4s ease;
  box-shadow: var(--pai-shadow-lg);
  z-index: 999;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-0.25rem);
  box-shadow: 0 0.5rem 1.875rem rgba(99, 102, 241, 0.4);
}

/* ==========================================================================
   17. Mobile Sticky CTA
   ========================================================================== */

.mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--pai-gradient-primary);
  padding: 0.75rem 1.5rem;
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 -0.25rem 1rem rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(100%);
  transition: all 0.4s ease;
}

.mobile-sticky-cta.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-sticky-cta a {
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
}

/* ==========================================================================
   18. Utility Classes
   ========================================================================== */

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

.bg-gradient-primary { background: var(--pai-gradient-primary); }
.bg-gradient-accent { background: var(--pai-gradient-accent); }
.bg-gradient-warm { background: var(--pai-gradient-warm); }
.bg-primary { background: var(--pai-primary); }
.bg-secondary { background: var(--pai-secondary); }
.bg-success { background: var(--pai-success); }
.bg-warning { background: var(--pai-warning); }

/* ==========================================================================
   19. Exit-Intent Modal
   ========================================================================== */

.exit-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.exit-modal-overlay.active {
  display: flex;
}

.exit-modal {
  background: var(--pai-bg-surface);
  border-radius: var(--pai-radius-xl);
  padding: 2.5rem;
  max-width: 28rem;
  width: 100%;
  position: relative;
  box-shadow: var(--pai-shadow-xl);
}

.exit-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--pai-text-muted-aaa);
  cursor: pointer;
  min-width: 2.75rem;
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.exit-modal h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--pai-text-primary-aaa);
  margin-bottom: 0.75rem;
}

.exit-modal p {
  color: var(--pai-text-muted-aaa);
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

/* ==========================================================================
   20. Responsive — Tablet (min-width: 576px)
   ========================================================================== */

@media (min-width: 36rem) {
  .hero-cta {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .cta-form {
    flex-direction: row;
  }

  .contact-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonial-card {
    flex: 0 0 calc(50% - 0.75rem);
  }
}

/* ==========================================================================
   21. Responsive — Tablet (min-width: 768px)
   ========================================================================== */

@media (min-width: 48rem) {
  .features,
  .bento-section,
  .how-it-works,
  .testimonials,
  .pricing,
  .faq,
  .cta-section,
  .about {
    padding: 7.5rem 0;
  }

  .problem-solution {
    padding: 7.5rem 0;
  }

  .problem-solution-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

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

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .hero {
    min-height: 100vh;
    padding: 7.5rem 0 5rem;
  }

  .hero-stats {
    gap: 2.5rem;
  }

  .hero-stat-number {
    font-size: 2rem;
  }

  .floating-card {
    display: flex;
  }

  .mobile-sticky-cta {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: none;
  }

  .nav-menu {
    display: flex;
    position: static;
    background: none;
    flex-direction: row;
    padding: 0;
    box-shadow: none;
    gap: 0.5rem;
    align-items: center;
  }

  .nav-menu a {
    color: #fff;
    width: auto;
    justify-content: flex-start;
  }

  .nav-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
  }

  #header.scrolled .nav-menu a {
    color: var(--pai-text-secondary-aaa);
  }

  #header.scrolled .nav-menu a:hover {
    background: var(--pai-bg-muted);
    color: var(--pai-primary-text-aaa);
  }

  .testimonial-card {
    flex: 0 0 calc(50% - 0.75rem);
  }
}

/* ==========================================================================
   22. Responsive — Desktop (min-width: 992px)
   ========================================================================== */

@media (min-width: 62rem) {
  .bento-grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .bento-lg { grid-column: span 8; }
  .bento-sm { grid-column: span 4; }
  .bento-md { grid-column: span 6; }

  .steps-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
  }

  .steps-container::before {
    content: '';
    position: absolute;
    top: 2rem;
    left: 3.75rem;
    right: 3.75rem;
    height: 2px;
    background: linear-gradient(90deg, var(--pai-primary) 0%, var(--pai-secondary) 50%, var(--pai-accent) 100%);
  }

  .step-card {
    flex: 1;
  }

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-content {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }

  .testimonial-card {
    flex: 0 0 calc(33.333% - 1rem);
  }
}

/* ==========================================================================
   23. Responsive — Large Desktop (min-width: 1200px)
   ========================================================================== */

@media (min-width: 75rem) {
  .hero-orb-1 {
    width: 37.5rem;
    height: 37.5rem;
    top: -12.5rem;
    right: -12.5rem;
  }

  .hero-orb-2 {
    width: 25rem;
    height: 25rem;
    bottom: -6.25rem;
    left: -6.25rem;
  }

  .hero-orb-3 {
    width: 18.75rem;
    height: 18.75rem;
  }

  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .pricing-card.featured {
    transform: scale(1.02);
  }

  .pricing-card.featured:hover {
    transform: scale(1.02) translateY(-0.25rem);
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* ==========================================================================
   24. Dark Mode Overrides (Landing-specific)
   ========================================================================== */

[data-theme="dark"] body {
  background: var(--pai-bg-primary);
  color: var(--pai-text-secondary-aaa);
}

[data-theme="dark"] #header.scrolled {
  background: rgba(15, 23, 42, 0.95);
}

[data-theme="dark"] #header.scrolled .logo {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] #header.scrolled .nav-menu a {
  color: var(--pai-text-on-dark-muted-aaa);
}

[data-theme="dark"] #header.scrolled .nav-menu a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

[data-theme="dark"] .social-proof {
  background: var(--pai-bg-surface);
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .features,
[data-theme="dark"] .how-it-works,
[data-theme="dark"] .pricing,
[data-theme="dark"] .about,
[data-theme="dark"] .problem-solution {
  background: var(--pai-bg-surface);
}

[data-theme="dark"] .feature-card,
[data-theme="dark"] .bento-section,
[data-theme="dark"] .faq,
[data-theme="dark"] .contact {
  background: var(--pai-bg-primary);
}

[data-theme="dark"] .feature-card {
  background: var(--pai-bg-muted);
}

[data-theme="dark"] .feature-card:hover {
  background: var(--pai-bg-elevated);
}

[data-theme="dark"] .bento-card,
[data-theme="dark"] .faq-item,
[data-theme="dark"] .contact-card,
[data-theme="dark"] .about-card,
[data-theme="dark"] .pricing-card {
  background: var(--pai-bg-surface);
  border-color: var(--pai-border-default);
}

[data-theme="dark"] .pricing-card.featured {
  background: var(--pai-bg-elevated);
}

[data-theme="dark"] .section-title,
[data-theme="dark"] .feature-title,
[data-theme="dark"] .bento-card-title,
[data-theme="dark"] .step-title,
[data-theme="dark"] .pricing-name,
[data-theme="dark"] .faq-question,
[data-theme="dark"] .contact-card h3,
[data-theme="dark"] .about-text h2,
[data-theme="dark"] .about-card h3,
[data-theme="dark"] .about-value h4,
[data-theme="dark"] .exit-modal h3 {
  color: var(--pai-text-primary-aaa);
}

[data-theme="dark"] .section-description,
[data-theme="dark"] .feature-description,
[data-theme="dark"] .bento-card-description,
[data-theme="dark"] .step-description,
[data-theme="dark"] .pricing-description,
[data-theme="dark"] .faq-answer p,
[data-theme="dark"] .contact-card p,
[data-theme="dark"] .contact-card a,
[data-theme="dark"] .about-text p,
[data-theme="dark"] .about-card p,
[data-theme="dark"] .exit-modal p {
  color: var(--pai-text-muted-aaa);
}

[data-theme="dark"] .nav-menu {
  background: var(--pai-bg-surface);
}

[data-theme="dark"] .dropdown-menu {
  background: var(--pai-bg-surface);
}

[data-theme="dark"] .mobile-sticky-cta {
  box-shadow: 0 -0.25rem 1rem rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .exit-modal {
  background: var(--pai-bg-surface);
}

/* ==========================================================================
   25. Print Styles
   ========================================================================== */

@media print {
  .hero-orb,
  .floating-card,
  .back-to-top,
  .mobile-sticky-cta,
  .exit-modal-overlay,
  #header {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero {
    background: none;
    color: #000;
    min-height: auto;
    padding: 2rem 0;
  }

  .hero h1,
  .hero-description {
    color: #000;
  }
}