/*
Theme Name: AeoSignal
Theme URI: https://aeosignal.com
Description: Premium dark-first landing page theme with glassmorphism effects and animated gradients. Inspired by Linear and Stripe's modern aesthetic.
Version: 1.0
Author: Barham Marketing
Author URI: https://barhammarketing.com
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aeosignal
Tags: one-column, custom-colors, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   CSS VARIABLES - DESIGN SYSTEM
   ========================================================================== */

:root {
  /* Color Palette - Dark Theme */
  --background: 220 50% 6%;          /* #0a0f17 - Deep navy/charcoal */
  --foreground: 220 15% 92%;         /* #e8eaed - Light gray text */
  --card: 220 45% 10%;               /* #10151f - Card backgrounds */
  --accent: 175 70% 45%;             /* #2eb8a3 - Teal accent */
  --muted: 220 40% 12%;              /* #141923 - Muted backgrounds */
  --muted-foreground: 220 15% 55%;   /* #7b8192 - Secondary text */
  --border: 220 40% 18%;             /* #1f2634 - Subtle borders */
  --destructive: 0 62% 45%;          /* #b92f2f - Red/error */
  --success: 150 60% 45%;            /* #2eb866 - Green/success */
  --warning: 40 95% 55%;             /* #ffc107 - Yellow/warning */
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Typography */
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-tooltip: 600;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-system);
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: hsl(var(--accent));
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: hsl(var(--accent) / 0.8);
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Glassmorphism Effect */
.glass {
  background: hsl(var(--card) / 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid hsl(var(--border) / 0.5);
}

/* Gradient Text Effects */
.text-gradient {
  background: linear-gradient(135deg, hsl(175 70% 50%) 0%, hsl(175 70% 70%) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-hero {
  background: linear-gradient(135deg, hsl(0 0% 100%) 0%, hsl(175 70% 60%) 50%, hsl(175 70% 45%) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glow Effects */
.glow-accent {
  box-shadow: 0 0 40px hsl(var(--accent) / 0.3);
}

.glow-accent-strong {
  box-shadow: 0 0 60px hsl(var(--accent) / 0.5);
}

/* Border Gradient */
.border-gradient {
  position: relative;
}

.border-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, hsl(var(--accent) / 0.5) 0%, transparent 50%, hsl(var(--accent) / 0.2) 100%);
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Background Patterns */
.grid-pattern {
  background-image: 
    linear-gradient(hsl(var(--border) / 0.5) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--border) / 0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}

.dot-pattern {
  background-image: radial-gradient(hsl(var(--border)) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes mesh-1 {
  0%, 100% { 
    transform: translate(0, 0) scale(1); 
  }
  50% { 
    transform: translate(10%, 10%) scale(1.1); 
  }
}

@keyframes mesh-2 {
  0%, 100% { 
    transform: translate(0, 0) scale(1); 
  }
  50% { 
    transform: translate(-5%, 15%) scale(1.05); 
  }
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0px); 
  }
  50% { 
    transform: translateY(-10px); 
  }
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Animation Utility Classes */
.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-pulse-dot {
  animation: pulse-dot 2s ease-in-out infinite;
}

.animate-fade-in {
  animation: fade-in 0.6s ease-out;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: hsl(var(--muted-foreground));
  margin-bottom: var(--space-md);
}

.text-xl {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
}

.text-lg {
  font-size: clamp(1rem, 1.75vw, 1.25rem);
}

.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: hsl(var(--accent) / 0.9);
  transform: translateY(-2px);
  color: white;
}

.btn-secondary {
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
  border: 1px solid hsl(var(--border));
}

.btn-secondary:hover {
  background: hsl(var(--card));
  border-color: hsl(var(--accent) / 0.5);
  color: hsl(var(--foreground));
}

.btn-ghost {
  background: transparent;
  color: hsl(var(--foreground));
}

.btn-ghost:hover {
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
}

.btn-glow {
  position: relative;
  background: hsl(var(--accent));
  color: white;
  box-shadow: 0 0 40px hsl(var(--accent) / 0.4);
}

.btn-glow:hover {
  box-shadow: 0 0 60px hsl(var(--accent) / 0.6);
  transform: translateY(-2px);
  color: white;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */

.site-header {
  position: relative;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  transition: all 0.3s ease;
  padding: var(--space-sm) 0;
}

.site-header.scrolled {
  background: hsl(var(--card) / 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid hsl(var(--border) / 0.5);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: hsl(var(--foreground));
}

.navbar-brand:hover {
  color: hsl(var(--accent));
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: hsl(var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  margin: 0;
}

.navbar-nav a {
  color: hsl(var(--muted-foreground));
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar-nav a:hover {
  color: hsl(var(--foreground));
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: hsl(var(--foreground));
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Menu */
@media (max-width: 768px) {
  .navbar-nav {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 80%;
    max-width: 300px;
    background: hsl(var(--card));
    flex-direction: column;
    padding: var(--space-3xl) var(--space-lg);
    transition: right 0.3s ease;
    border-left: 1px solid hsl(var(--border));
  }
  
  .navbar-nav.active {
    right: 0;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .navbar-actions .btn {
    display: none;
  }
  
  .navbar-actions .btn-primary {
    display: inline-flex;
  }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-3xl) 0;
  
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

/* Mesh Gradient Blobs */
.mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}

.mesh-blob-1 {
  width: 600px;
  height: 600px;
  background: hsl(var(--accent) / 0.3);
  top: -200px;
  right: -200px;
  animation: mesh-1 20s ease-in-out infinite;
}

.mesh-blob-2 {
  width: 500px;
  height: 500px;
  background: hsl(175 60% 35% / 0.2);
  bottom: -150px;
  left: -150px;
  animation: mesh-2 18s ease-in-out infinite;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-text {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: hsl(var(--muted));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: hsl(var(--accent));
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: hsl(var(--muted-foreground));
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.trust-signals {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

.trust-icon {
  width: 16px;
  height: 16px;
  color: hsl(var(--accent));
}

.hero-visual {
  position: relative;
}

.browser-mockup {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.browser-header {
  background: hsl(var(--muted));
  padding: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid hsl(var(--border));
}

.browser-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: hsl(var(--border));
}

.browser-content {
  padding: var(--space-lg);
  aspect-ratio: 16 / 10;
}

@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  
  .hero-visual {
    order: -1;
  }
}

/* ==========================================================================
   SECTION STYLES
   ========================================================================== */

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: hsl(var(--muted));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: hsl(var(--accent));
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 1.125rem;
  color: hsl(var(--muted-foreground));
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: hsl(var(--accent) / 0.5);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: hsl(var(--muted));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: hsl(var(--accent));
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.card-description {
  color: hsl(var(--muted-foreground));
  font-size: 0.9375rem;
}

/* ==========================================================================
   PROBLEM SECTION
   ========================================================================== */

.problem-section {
  background: hsl(var(--muted) / 0.5);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
}

.stat-number {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.stat-label {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.stat-description {
  color: hsl(var(--muted-foreground));
  font-size: 0.9375rem;
}

/* ==========================================================================
   HOW IT WORKS SECTION
   ========================================================================== */

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  position: relative;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: hsl(var(--accent) / 0.1);
  border: 2px solid hsl(var(--accent));
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 700;
  color: hsl(var(--accent));
  margin-bottom: var(--space-md);
}

.step-icon {
  margin-bottom: var(--space-md);
  color: hsl(var(--accent));
  font-size: 2.5rem;
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.step-description {
  color: hsl(var(--muted-foreground));
  font-size: 0.9375rem;
}

/* Connecting line for desktop */
@media (min-width: 769px) {
  .steps-container::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, 
      hsl(var(--accent) / 0.3) 0%, 
      hsl(var(--accent)) 50%, 
      hsl(var(--accent) / 0.3) 100%
    );
    z-index: -1;
  }
}

/* ==========================================================================
   FEATURES GRID (BENTO LAYOUT)
   ========================================================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  position: relative;
  overflow: hidden;
}

.feature-card:hover .card-icon {
  background: hsl(var(--accent) / 0.1);
  color: hsl(var(--accent));
  transform: scale(1.1);
}

/* ==========================================================================
   STATS SECTION
   ========================================================================== */

.stats-section {
  background: linear-gradient(135deg, hsl(var(--muted)) 0%, hsl(var(--card)) 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.stat-item {
  padding: var(--space-xl);
}

.stat-value {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: hsl(var(--accent));
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.stat-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

/* ==========================================================================
   PRICING SECTION
   ========================================================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.pricing-card {
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border-color: hsl(var(--accent));
  box-shadow: 0 0 40px hsl(var(--accent) / 0.2);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: hsl(var(--accent));
  color: white;
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-header {
  text-align: center;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid hsl(var(--border));
  margin-bottom: var(--space-lg);
}

.pricing-plan {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: var(--space-xs);
}

.price-amount {
  font-size: 3rem;
  font-weight: 700;
  color: hsl(var(--accent));
  line-height: 1;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: hsl(var(--accent));
}

.price-period {
  font-size: 1rem;
  color: hsl(var(--muted-foreground));
}

.pricing-subtitle {
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  font-size: 0.9375rem;
  color: hsl(var(--muted-foreground));
}

.pricing-features li::before {
  content: '✓';
  color: hsl(var(--accent));
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-cta {
  width: 100%;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--space-lg);
  background: none;
  border: none;
  color: hsl(var(--foreground));
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.faq-question:hover {
  color: hsl(var(--accent));
}

.faq-icon {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: hsl(var(--muted-foreground));
  line-height: 1.6;
}

/* ==========================================================================
   FINAL CTA SECTION
   ========================================================================== */

.cta-section {
  background: linear-gradient(135deg, hsl(var(--accent) / 0.1) 0%, hsl(var(--card)) 100%);
  position: relative;
  overflow: hidden;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  margin-bottom: var(--space-lg);
}

.cta-actions {
  margin-bottom: var(--space-xl);
}

.cta-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: hsl(var(--muted) / 0.5);
  border-top: 1px solid hsl(var(--border));
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  color: hsl(var(--foreground));
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: hsl(var(--muted-foreground));
  font-size: 0.9375rem;
  transition: color 0.3s ease;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: hsl(var(--foreground));
}

.footer-description {
  color: hsl(var(--muted-foreground));
  font-size: 0.9375rem;
  line-height: 1.6;
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid hsl(var(--border));
  text-align: center;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
}

@media (max-width: 968px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   RESPONSIVE UTILITIES
   ========================================================================== */

@media (max-width: 640px) {
  :root {
    --space-3xl: 3rem;
    --space-2xl: 2.5rem;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus styles */
*:focus-visible {
  outline: 2px solid hsl(var(--accent));
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
<!-- wp:html -->
<script type="application/ld+json">
{
  "@context": "http://schema.org",
  "@type": "WebPage",
  "name": "Home - AeoSignal",
  "description": "Deploy the automated AI visibility system agencies charge $5,000+/mo for. No content team. No agency retainer. Just the infrastructure that works.",
  "url": "https://aeosignal.ai/",
  "mentions": [
    {
      "@type": "Thing",
      "name": "ChatGPT"
    },
    {
      "@type": "Thing",
      "name": "Claude"
    },
    {
      "@type": "Thing",
      "name": "Perplexity"
    },
    {
      "@type": "Thing",
      "name": "Gemini"
    }
  ]
}