/* ============================================
   KREGG'S CODE - Design System & Styles
   kreggscode.pro
   ============================================ */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Colors - Dark Theme */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-tertiary: #1a1a25;
  --color-bg-card: rgba(255, 255, 255, 0.03);
  --color-bg-card-hover: rgba(255, 255, 255, 0.06);
  
  /* Gradient Colors */
  --color-gradient-start: #7c3aed;
  --color-gradient-mid: #3b82f6;
  --color-gradient-end: #ec4899;
  
  /* Text Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-tertiary: rgba(255, 255, 255, 0.5);
  --color-text-muted: rgba(255, 255, 255, 0.3);
  
  /* Accent Colors */
  --color-accent-purple: #a855f7;
  --color-accent-blue: #3b82f6;
  --color-accent-pink: #ec4899;
  --color-accent-cyan: #06b6d4;
  
  /* Borders */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 20px;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', var(--font-primary);
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);
  --shadow-glow-purple: 0 0 40px rgba(168, 85, 247, 0.3);
  --shadow-glow-blue: 0 0 40px rgba(59, 130, 246, 0.3);
  --shadow-glow-pink: 0 0 40px rgba(236, 72, 153, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;
  
  /* Z-Index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
  
  /* Container */
  --container-max: 1200px;
  --container-padding: var(--space-6);
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated gradient background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(236, 72, 153, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

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

a:hover {
  color: var(--color-accent-purple);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

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

.text-gradient {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Layout Components
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-5) 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: var(--space-3) 0;
  background: rgba(10, 10, 15, 0.95);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
  transition: width var(--transition-base);
}

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

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-32) 0 var(--space-24);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.2) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(10px);
}

.hero-badge span {
  color: var(--color-accent-purple);
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, var(--text-7xl));
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero p {
  font-size: var(--text-xl);
  max-width: 600px;
  margin: 0 auto var(--space-10);
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid));
  color: var(--color-text-primary);
  box-shadow: var(--shadow-glow-purple);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(168, 85, 247, 0.4);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--color-text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
}

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

.btn-outline:hover {
  background: var(--glass-bg);
  border-color: var(--color-accent-purple);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

/* ============================================
   Cards (Glassmorphism)
   ============================================ */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  backdrop-filter: blur(var(--glass-blur));
  transition: all var(--transition-base);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

/* ============================================
   Apps Grid
   ============================================ */
.apps-section {
  padding: var(--space-24) 0;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.app-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  backdrop-filter: blur(var(--glass-blur));
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-mid), var(--color-gradient-end));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.app-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), var(--shadow-glow-purple);
}

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

.app-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.app-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  flex-shrink: 0;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.app-icon-placeholder {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  flex-shrink: 0;
}

.app-info h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}

.app-category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-accent-purple);
  background: rgba(168, 85, 247, 0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.app-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.app-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.app-feature-tag {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  background: var(--color-bg-tertiary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.app-cta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.store-badge {
  height: 44px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.store-badge:hover {
  transform: scale(1.05);
}

.store-badge-placeholder {
  height: 44px;
  padding: 0 var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.store-badge-placeholder:hover {
  background: var(--color-bg-card-hover);
  color: var(--color-text-primary);
}

/* ============================================
   About Section
   ============================================ */
.about-section {
  padding: var(--space-24) 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--space-6);
}

.about-text p {
  margin-bottom: var(--space-6);
  font-size: var(--text-lg);
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-accent-purple);
  color: var(--color-text-primary);
}

.about-visual {
  display: flex;
  justify-content: center;
}

.about-graphic {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(59, 130, 246, 0.1));
  border-radius: var(--radius-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-graphic::before {
  content: '{ }';
  font-family: var(--font-display);
  font-size: 8rem;
  font-weight: var(--font-bold);
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
  padding: var(--space-24) 0;
}

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

.contact-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  backdrop-filter: blur(var(--glass-blur));
}

.contact-card h2 {
  margin-bottom: var(--space-4);
}

.contact-card > p {
  margin-bottom: var(--space-8);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-accent-purple);
  margin-bottom: var(--space-8);
  padding: var(--space-4) var(--space-6);
  background: rgba(168, 85, 247, 0.1);
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
}

.contact-email:hover {
  background: rgba(168, 85, 247, 0.2);
  transform: scale(1.02);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  font-size: var(--text-xl);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-accent-purple);
  color: var(--color-text-primary);
  transform: translateY(-4px);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  max-width: 300px;
}

.footer-column h4 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-column a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

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

/* ============================================
   Legal Pages (Privacy, Terms)
   ============================================ */
.legal-page {
  padding: var(--space-32) 0 var(--space-24);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  margin-bottom: var(--space-4);
}

.legal-meta {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
}

.legal-content h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.legal-content h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.legal-content p {
  margin-bottom: var(--space-4);
  line-height: 1.8;
}

.legal-content ul, .legal-content ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content li {
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.legal-content ul li {
  list-style-type: disc;
}

.legal-content ol li {
  list-style-type: decimal;
}

.legal-content strong {
  color: var(--color-text-primary);
  font-weight: var(--font-semibold);
}

.legal-content a {
  color: var(--color-accent-purple);
}

.legal-content a:hover {
  text-decoration: underline;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

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

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Stagger animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* ============================================
   Scroll Animations (JS will add .visible)
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .about-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-4);
  }
  
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-2xl); }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-secondary);
    padding: var(--space-6);
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero {
    padding: var(--space-24) 0 var(--space-16);
  }
  
  .hero h1 {
    font-size: var(--text-4xl);
  }
  
  .hero p {
    font-size: var(--text-base);
  }
  
  .apps-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .section {
    padding: var(--space-16) 0;
  }
}

@media (max-width: 480px) {
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .app-card {
    padding: var(--space-6);
  }
  
  .app-card-header {
    flex-direction: column;
    align-items: flex-start;
  }
}