/* ============================================
   GLOBAL RESETS
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ============================================
   COLOR PALETTE
   ============================================ */
:root {
  /* Gray Scale (Background & Neutrals) */
  --color-gray-950: #0a0e1a;
  --color-gray-900: #0f1420;
  --color-gray-850: #0d1117;
  --color-gray-800: #141927;
  --color-gray-750: #1a1f2e;
  --color-gray-700: #1f2535;
  --color-gray-600: #1f2937;
  --color-gray-500: #2d3748;
  --color-gray-400: #64748b;
  --color-gray-300: #94a3b8;
  --color-gray-200: #cbd5e1;
  --color-gray-100: #f1f5f9;

  /* Brand Colors - Purple */
  --color-brand-purple: #7c3aed;
  --color-brand-purple-dark: #6d28d9;
  --color-brand-purple-light: rgba(124, 58, 237, 0.1);
  --color-brand-purple-lighter: #c4b5fd;
  --color-brand-purple-pale: rgba(192, 132, 252, 0.08);

  /* Status Colors */
  --color-status-success: #10b981;
  --color-status-success-dark: #059669;
  --color-status-success-light: rgba(16, 185, 129, 0.1);

  --color-status-error: #ef4444;
  --color-status-error-dark: #dc2626;
  --color-status-error-light: rgba(239, 68, 68, 0.1);

  --color-status-warning: #f59e0b;
  --color-status-warning-dark: #d97706;
  --color-status-warning-light: rgba(245, 158, 11, 0.1);

  --color-status-info: #3b82f6;
  --color-status-info-light: rgba(59, 130, 246, 0.1);

  /* Frequency Colors */
  --color-frequency-high: #f472b6;
  --color-frequency-high-hover: #f43f5e;
  --color-frequency-medium: #60a5fa;
  --color-frequency-low: #2dd4bf;

  /* Accent Colors */
  --color-accent-pink: #ff0080;
  --color-accent-pink-light: rgba(255, 0, 128, 0.1);
  --color-accent-pink-pale: rgba(255, 107, 157, 0.1);
}

/* ============================================
   SEMANTIC VARIABLES - Backgrounds
   ============================================ */
:root {
  --bg-primary: var(--color-gray-950);
  --bg-secondary: var(--color-gray-900);
  --bg-tertiary: var(--color-gray-800);
  --bg-card: var(--color-gray-750);
  --bg-card-hover: var(--color-gray-700);
  --bg-sidebar: var(--color-gray-850);
}

/* ============================================
   SEMANTIC VARIABLES - Borders
   ============================================ */
:root {
  --border-color: var(--color-gray-600);
  --border-accent: var(--color-gray-500);
}

/* ============================================
   SEMANTIC VARIABLES - Text
   ============================================ */
:root {
  --text-primary: var(--color-gray-100);
  --text-secondary: var(--color-gray-300);
  --text-muted: var(--color-gray-400);
}

/* ============================================
   SEMANTIC VARIABLES - Interactive States
   ============================================ */
:root {
  --accent-primary: var(--color-brand-purple);
  --accent-primary-hover: var(--color-brand-purple-dark);
  --accent-primary-light: var(--color-brand-purple-light);

  --accent-success: var(--color-status-success);
  --accent-success-hover: var(--color-status-success-dark);
  --accent-success-light: var(--color-status-success-light);

  --accent-warning: var(--color-status-warning);
  --accent-warning-hover: var(--color-status-warning-dark);
  --accent-warning-light: var(--color-status-warning-light);

  --accent-danger: var(--color-status-error);
  --accent-danger-hover: var(--color-status-error-dark);
  --accent-danger-light: var(--color-status-error-light);

  --accent-info: var(--color-status-info);
  --accent-info-light: var(--color-status-info-light);
}

/* ============================================
   SEMANTIC VARIABLES - Frequency
   ============================================ */
:root {
  --frequency-high: var(--color-frequency-high);
  --frequency-medium: var(--color-frequency-medium);
  --frequency-low: var(--color-frequency-low);
}

/* ============================================
   SEMANTIC VARIABLES - Shadows
   ============================================ */
:root {
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* ============================================
   SEMANTIC VARIABLES - Border Radius
   ============================================ */
:root {
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-xl: 8px;
  --radius-2xl: 10px;
  --radius-full: 9999px;
}

/* ============================================
   SEMANTIC VARIABLES - Spacing
   ============================================ */
:root {
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 40px;
}

/* ============================================
   SEMANTIC VARIABLES - Typography
   ============================================ */
:root {
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Courier New', monospace;

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.85rem;    /* 13.6px */
  --font-size-base: 0.95rem;  /* 15.2px */
  --font-size-lg: 1.1rem;     /* 17.6px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
}

/* ============================================
   SEMANTIC VARIABLES - Transitions
   ============================================ */
:root {
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ============================================
   BASE STYLES
   ============================================ */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: var(--line-height-normal);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

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

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}
/* ============================================
   LANDING PAGE STYLES
   ============================================ */

/* Reset for landing page */
.landing-page {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Container */
.landing-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-bottom-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
  height: 84px;
}

.landing-nav.scrolled {
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border-color);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  height: 68px;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo-landing {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
}

.logo-icon-landing {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-primary), #c084fc);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 22px;
  color: white;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
}

.logo-text-landing {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), #c084fc);
  transition: width var(--transition-base);
}

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

.nav-btn-login {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.nav-btn-login:hover {
  background: var(--bg-tertiary);
}

.nav-btn-cta {
  background: linear-gradient(135deg, var(--accent-primary), #c084fc);
  color: white;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}

.nav-btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.5);
}

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

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

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  padding: 180px 0 120px;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

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

.hero-gradient-1 {
  position: absolute;
  top: -20%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  filter: blur(80px);
  animation: float 20s ease-in-out infinite;
}

.hero-gradient-2 {
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(192, 132, 252, 0.12) 0%, transparent 70%);
  filter: blur(80px);
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, -30px) scale(1.1);
  }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.12) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black, transparent);
}

.hero .landing-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content {
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--accent-primary-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 32px;
  animation: slideInUp 0.8s ease-out;
}

.hero-badge svg {
  animation: spin 8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 56px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1.5px;
  animation: slideInUp 0.8s ease-out 0.1s backwards;
}

.hero-title-line {
  display: block;
  color: var(--text-primary);
}

.hero-title-gradient {
  display: block;
  background: linear-gradient(135deg, var(--accent-primary), #c084fc, #00d9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite, slideInUp 0.8s ease-out 0.2s backwards;
}

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

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-description {
  font-size: 20px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 540px;
  animation: slideInUp 0.8s ease-out 0.3s backwards;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
  animation: slideInUp 0.8s ease-out 0.4s backwards;
}

.btn-hero-primary,
.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-hero-primary {
  background: linear-gradient(135deg, var(--accent-primary), #c084fc);
  color: white;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.6);
}

.btn-hero-primary svg {
  transition: transform var(--transition-base);
}

.btn-hero-primary:hover svg {
  transform: translateX(4px);
}

.btn-hero-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-accent);
}

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

.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  animation: slideInUp 0.8s ease-out 0.5s backwards;
}

.stat-item {
  flex: 1;
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
  font-family: 'JetBrains Mono', monospace;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

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

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 600px;
  animation: slideInUp 0.8s ease-out 0.6s backwards;
}

.hero-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
  transition: all var(--transition-slow);
}

.hero-card:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  border-color: var(--accent-primary);
}

.hero-card-1 {
  width: 380px;
  top: 50px;
  left: 0;
  animation: cardFloat 6s ease-in-out infinite;
  z-index: 3;
}

.hero-card-2 {
  width: 340px;
  top: 220px;
  right: 20px;
  animation: cardFloat 8s ease-in-out infinite reverse;
  z-index: 2;
}

.hero-card-3 {
  width: 320px;
  top: 340px;
  left: 40px;
  animation: cardFloat 7s ease-in-out infinite;
  z-index: 1;
}

@keyframes cardFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

.card-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-card-1 .card-badge {
  background: rgba(244, 114, 182, 0.2);
  color: var(--frequency-high);
}

.hero-card-2 .card-badge {
  background: rgba(96, 165, 250, 0.2);
  color: var(--frequency-medium);
}

.hero-card-3 .card-badge {
  background: rgba(45, 212, 191, 0.2);
  color: var(--frequency-low);
}

.card-time {
  font-size: 12px;
  color: var(--text-muted);
}

.card-content {
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 12px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.card-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: 6px;
}

.card-actions {
  display: flex;
  gap: 8px;
}

.card-action {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-accent);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 14px;
}

.card-action:first-child:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.card-action:last-child:hover {
  background: var(--frequency-high);
  border-color: var(--frequency-high);
  color: white;
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-primary-light);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-primary);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.section-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
  padding: 120px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-primary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.feature-primary {
  grid-column: span 3;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(192, 132, 252, 0.03));
  border-color: rgba(124, 58, 237, 0.3);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: var(--accent-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent-primary);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
}

.feature-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.feature-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.feature-list li::before {
  content: '→';
  color: var(--accent-primary);
  font-weight: 700;
}

/* ============================================
   USE CASES SECTION
   ============================================ */
.use-cases {
  padding: 120px 0;
  background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.03), transparent);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.use-case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  transition: all var(--transition-slow);
}

.use-case-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

.use-case-card:hover .use-case-icon {
  filter: grayscale(1) drop-shadow(0 0 20px rgba(124, 58, 237, 0.6));
}

.use-case-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
  filter: grayscale(1);
  opacity: 0.9;
  transition: all var(--transition-base);
}

.use-case-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.use-case-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.use-case-benefits {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.use-case-benefits li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
}

.use-case-benefits li::before {
  content: '✓';
  color: var(--accent-success);
  font-weight: 700;
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing {
  padding: 120px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  transition: all var(--transition-slow);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.pricing-card-featured {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(192, 132, 252, 0.03));
  transform: scale(1.05);
}

.pricing-card-featured:hover {
  transform: scale(1.08) translateY(-8px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-primary), #c084fc);
  color: white;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-header {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
}

.pricing-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  margin-bottom: 12px;
}

.price-currency {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-right: 4px;
}

.price-amount {
  font-size: 56px;
  font-weight: 900;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1;
}

.price-period {
  font-size: 18px;
  color: var(--text-muted);
  margin-left: 4px;
}

.pricing-description {
  font-size: 15px;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
}

.feature-included {
  color: var(--text-primary);
}

.feature-included svg {
  color: var(--accent-success);
  flex-shrink: 0;
}

.feature-disabled {
  color: var(--text-muted);
  opacity: 0.5;
}

.feature-disabled svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

.pricing-btn {
  width: 100%;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

.pricing-btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #c084fc);
  color: white;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4);
}

.pricing-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.6);
}

.pricing-btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-accent);
}

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

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.cta-gradient {
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
  filter: blur(100px);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

.cta-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 42px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -1px;
}

.cta-description {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 20px 48px;
  background: linear-gradient(135deg, var(--accent-primary), #c084fc);
  color: white;
  text-decoration: none;
  font-size: 18px;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.5);
  transition: all var(--transition-base);
}

.btn-cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(124, 58, 237, 0.7);
}

.btn-cta-primary svg {
  transition: transform var(--transition-base);
}

.btn-cta-primary:hover svg {
  transform: translateX(4px);
}

.cta-note {
  font-size: 14px;
  color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 80px 0 40px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 2.5fr;
  gap: 80px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-description {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 400px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-accent);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.footer-column-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.footer-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link-list a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--transition-base);
}

.footer-link-list a:hover {
  color: var(--accent-primary);
}

.footer-signup-gradient {
  background: linear-gradient(135deg, var(--accent-primary), #c084fc, #00d9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
  font-weight: 600;
}

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1280px) {
  .hero .landing-container {
    gap: 60px;
  }

  .hero-visual {
    height: 500px;
  }

  .hero-card-1 {
    width: 340px;
  }

  .hero-card-2 {
    width: 300px;
  }

  .hero-card-3 {
    width: 280px;
  }
}

@media (max-width: 1024px) {
  .hero .landing-container {
    grid-template-columns: 1fr;
    gap: 80px;
  }

  .hero-visual {
    height: 400px;
    margin: 0 auto;
    max-width: 500px;
  }

  .hero-title {
    font-size: 56px;
  }

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

  .feature-primary {
    grid-column: span 2;
  }

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

  .pricing-card-featured {
    transform: scale(1);
  }

  .pricing-card-featured:hover {
    transform: translateY(-8px);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-slow);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-link::after {
    display: none;
  }

  .hero {
    padding: 140px 0 80px;
    min-height: auto;
  }

  .hero-title {
    font-size: 40px;
  }

  .hero-description {
    font-size: 18px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .hero-visual {
    height: 500px;
  }

  .hero-card-1,
  .hero-card-2,
  .hero-card-3 {
    width: 90%;
    max-width: 320px;
  }

  .section-title {
    font-size: 36px;
  }

  .section-subtitle {
    font-size: 18px;
  }

  .features {
    padding: 80px 0;
  }

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

  .feature-primary {
    grid-column: span 1;
  }

  .use-cases {
    padding: 80px 0;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .pricing {
    padding: 80px 0;
  }

  .cta {
    padding: 80px 0;
  }

  .cta-content {
    padding: 60px 24px;
  }

  .cta-title {
    font-size: 36px;
  }

  .cta-description {
    font-size: 18px;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .landing-container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-description {
    font-size: 16px;
  }

  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    justify-content: center;
  }

  .section-title {
    font-size: 28px;
  }

  .section-subtitle {
    font-size: 16px;
  }

  .cta-title {
    font-size: 28px;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}
/* ============================================
   NOTIFICATION COMPONENT
   Toast notification system with cyberpunk theme
   ============================================ */

#notification-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  pointer-events: none;
}

.notification {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(16px);
  max-width: 500px;
  min-width: 320px;
  margin-bottom: 12px;
  pointer-events: auto;
  animation: slideDownNotification 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.notification::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  padding: 1px;
  background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.notification::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--glow-color), transparent);
  animation: scanline 2s linear infinite;
}

@keyframes scanline {
  0%, 100% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
}

.notification svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  filter: drop-shadow(0 0 4px var(--glow-color));
}

.notification.error {
  --gradient-from: #ff0080;
  --gradient-to: #ff6b9d;
  --glow-color: #ff0080;
  background: linear-gradient(135deg,
    rgba(20, 5, 15, 0.95) 0%,
    rgba(30, 8, 20, 0.95) 50%,
    rgba(20, 5, 15, 0.95) 100%
  );
  color: #ffe0f0;
  box-shadow:
    0 8px 32px rgba(255, 0, 128, 0.3),
    0 0 0 1px rgba(255, 0, 128, 0.1),
    inset 0 1px 0 rgba(255, 107, 157, 0.1);
}

.notification.success {
  --gradient-from: #00ff88;
  --gradient-to: #00d9ff;
  --glow-color: #00ff88;
  background: linear-gradient(135deg,
    rgba(5, 20, 15, 0.95) 0%,
    rgba(8, 25, 20, 0.95) 50%,
    rgba(5, 20, 18, 0.95) 100%
  );
  color: #e0fff5;
  box-shadow:
    0 8px 32px rgba(0, 255, 136, 0.3),
    0 0 0 1px rgba(0, 255, 136, 0.1),
    inset 0 1px 0 rgba(0, 217, 255, 0.1);
}

.notification.warning {
  --gradient-from: #ffaa00;
  --gradient-to: #ff6600;
  --glow-color: #ffaa00;
  background: linear-gradient(135deg,
    rgba(20, 15, 5, 0.95) 0%,
    rgba(25, 18, 8, 0.95) 50%,
    rgba(20, 12, 5, 0.95) 100%
  );
  color: #fff5e0;
  box-shadow:
    0 8px 32px rgba(255, 170, 0, 0.3),
    0 0 0 1px rgba(255, 170, 0, 0.1),
    inset 0 1px 0 rgba(255, 102, 0, 0.1);
}

.notification.info {
  --gradient-from: #00d9ff;
  --gradient-to: #7c3aed;
  --glow-color: #00d9ff;
  background: linear-gradient(135deg,
    rgba(5, 15, 20, 0.95) 0%,
    rgba(10, 8, 25, 0.95) 50%,
    rgba(8, 12, 20, 0.95) 100%
  );
  color: #e0f5ff;
  box-shadow:
    0 8px 32px rgba(0, 217, 255, 0.3),
    0 0 0 1px rgba(0, 217, 255, 0.1),
    inset 0 1px 0 rgba(124, 58, 237, 0.1);
}

@keyframes slideDownNotification {
  from {
    opacity: 0;
    transform: translateY(-30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.notification.fade-out {
  animation: fadeOutNotification 0.3s ease-out forwards;
}

@keyframes fadeOutNotification {
  to {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
}