/* Modern Professional Landing Page - Dhatr AI Design Feedback */

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

:root {
  /* Modern Color Palette */
  --primary: #0EA5E9;
  --primary-dark: #0284C7;
  --primary-light: #38BDF8;
  --secondary: #8B5CF6;
  --accent: #F59E0B;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  
  /* Neutral Colors */
  --dark-bg: #0F172A;
  --dark-card: #1E293B;
  --dark-border: #334155;
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --white: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0EA5E9 0%, #8B5CF6 100%);
  --gradient-secondary: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
  --gradient-accent: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
}

body {
  font-family: var(--font-sans);
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 0;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: transform 0.2s;
}

.logo:hover {
  transform: scale(1.02);
}

.logo-icon-wrapper {
  width: 40px;
  height: 40px;
  background: #000000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px #0EA5E9,
              0 0 10px rgba(14, 165, 233, 0.5),
              0 0 20px rgba(14, 165, 233, 0.3);
  animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
  0%, 100% {
    box-shadow: 0 0 0 2px #0EA5E9,
                0 0 10px rgba(14, 165, 233, 0.5),
                0 0 20px rgba(14, 165, 233, 0.3);
  }
  50% {
    box-shadow: 0 0 0 2px #0EA5E9,
                0 0 15px rgba(14, 165, 233, 0.7),
                0 0 30px rgba(14, 165, 233, 0.5);
  }
}

.logo-icon {
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FF1CF7 0%, #00F0FF 50%, #B026FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'Arial Black', sans-serif;
  filter: drop-shadow(0 0 8px #FF1CF7) drop-shadow(0 0 16px #00F0FF) drop-shadow(0 0 24px #B026FF);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links > a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: 0.9375rem;
  transition: color 0.3s;
  position: relative;
}

.nav-links > a:not(.btn-primary):not(.btn-secondary):not(.nav-github)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-links > a:not(.btn-primary):not(.btn-secondary):not(.nav-github):hover {
  color: var(--text-primary);
}

.nav-links > a:not(.btn-primary):not(.btn-secondary):not(.nav-github):hover::after {
  width: 100%;
}

.nav-github {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#authButtons, #userButtons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#navUserName {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  background: rgba(30, 41, 59, 0.5);
  border-radius: var(--radius-sm);
  border: 1px solid var(--dark-border);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
  border-radius: 2px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-hero-primary, .btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.35);
}

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

.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.5);
  border-color: var(--primary);
  color: var(--primary-light);
}

.btn-hero-primary, .btn-hero-secondary {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
}

.btn-hero-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.4);
}

.btn-hero-secondary {
  background: rgba(30, 41, 59, 0.6);
  color: var(--text-primary);
  border: 1px solid var(--dark-border);
}

.btn-hero-secondary:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--primary);
}

/* Hero Section */
.hero {
  padding: 10rem 2rem 6rem;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-bg-gradient {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 1400px;
  height: 1400px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.8; transform: translateX(-50%) scale(1.1); }
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 1.5rem;
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-size: 3.75rem;
  font-weight: var(--font-weight-extrabold);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.gradient-text-secondary {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  font-weight: var(--font-weight-normal);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  padding: 1.5rem;
  background: rgba(30, 41, 59, 0.3);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.stat-item {
  flex: 1;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

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

/* Hero Visual Card */
.hero-visual {
  position: relative;
}

.visual-card {
  background: var(--dark-card);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(148, 163, 184, 0.1);
  border: 1px solid var(--dark-border);
  position: relative;
  overflow: hidden;
  animation: float 6s ease-in-out infinite;
}

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

.card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  animation: rotate-glow 10s linear infinite;
}

@keyframes rotate-glow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.visual-header {
  position: relative;
  z-index: 1;
  margin-bottom: 1.5rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm);
  color: var(--success);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 1rem;
}

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

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

.progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  animation: progress 3s ease-in-out infinite;
}

@keyframes progress {
  0% { width: 0%; }
  50% { width: 75%; }
  100% { width: 100%; }
}

.personas-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.persona-avatar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  transition: all 0.3s;
  animation: slideIn 0.5s ease-out forwards;
  opacity: 0;
}

@keyframes slideIn {
  to {
    opacity: 1;
    transform: translateX(0);
  }
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
}

.persona-avatar:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.avatar-img {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.avatar-info {
  flex: 1;
  min-width: 0;
}

.avatar-name {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.avatar-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.avatar-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

.insights-preview {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.insight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  line-height: 1.5;
  animation: fadeIn 0.5s ease-out forwards;
  opacity: 0;
}

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

.insight-item.success {
  background: rgba(16, 185, 129, 0.1);
  border-left: 3px solid var(--success);
  color: var(--text-secondary);
}

.insight-item.warning {
  background: rgba(245, 158, 11, 0.1);
  border-left: 3px solid var(--warning);
  color: var(--text-secondary);
  animation-delay: 0.2s;
}

.insight-item.info {
  background: rgba(14, 165, 233, 0.1);
  border-left: 3px solid var(--primary);
  color: var(--text-secondary);
  animation-delay: 0.4s;
}

.insight-item svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.insight-item.success svg {
  color: var(--success);
}

.insight-item.warning svg {
  color: var(--warning);
}

.insight-item.info svg {
  color: var(--primary);
}

/* Social Proof */
.social-proof {
  padding: 3rem 2rem;
  background: rgba(30, 41, 59, 0.3);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}

.proof-text {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.companies {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.company-logo {
  color: var(--text-muted);
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  opacity: 0.6;
  transition: opacity 0.3s;
}

.company-logo:hover {
  opacity: 1;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-full);
  color: var(--secondary);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: 2.75rem;
  font-weight: var(--font-weight-extrabold);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Features Section */
.features {
  padding: 6rem 2rem;
  background: var(--dark-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  position: relative;
  background: var(--dark-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--dark-border);
  transition: all 0.3s;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s;
}

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

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: var(--shadow-xl), 0 0 0 1px var(--primary);
}

.feature-card.featured {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-color: var(--primary);
}

.feature-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.75rem;
  background: var(--gradient-secondary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.feature-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  background: rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-md);
  border: 1px solid rgba(14, 165, 233, 0.2);
  transition: all 0.3s;
}

.feature-icon {
  font-size: 3rem;
  line-height: 1;
  display: inline-block;
  animation: bounce 2s ease-in-out infinite;
}

.feature-icon-svg {
  width: 40px;
  height: 40px;
  stroke: var(--primary-light);
  transition: all 0.3s;
}

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

.feature-card:hover .feature-icon-wrapper {
  background: rgba(14, 165, 233, 0.15);
  border-color: var(--primary);
}

.feature-card:hover .feature-icon {
  animation: none;
  transform: scale(1.1);
  transition: transform 0.3s;
}

.feature-card:hover .feature-icon-svg {
  stroke: var(--primary);
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-light);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
  transition: gap 0.3s;
}

.feature-link:hover {
  gap: 0.75rem;
}

.feature-link svg {
  width: 16px;
  height: 16px;
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 2rem;
  background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 100%);
}

.steps-container {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.step {
  flex: 1;
  position: relative;
}

.step-number {
  display: inline-block;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--white);
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
}

.step-content h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.step-visual {
  background: rgba(30, 41, 59, 0.3);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-preview {
  text-align: center;
  color: var(--text-muted);
}

.upload-preview svg {
  margin-bottom: 1rem;
  color: var(--primary);
}

.upload-preview p {
  font-size: 0.875rem;
  margin: 0;
}

.analysis-animation {
  width: 100%;
  height: 120px;
  position: relative;
  background: linear-gradient(90deg, transparent 0%, rgba(14, 165, 233, 0.1) 50%, transparent 100%);
}

.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: scan 2s linear infinite;
}

@keyframes scan {
  0% { left: 0; }
  100% { left: 100%; }
}

.data-points {
  display: flex;
  gap: 1rem;
  justify-content: space-around;
  align-items: center;
  height: 100%;
}

.data-points span {
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  animation: ping 1.5s ease-in-out infinite;
}

@keyframes ping {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.feedback-preview {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.feedback-line {
  height: 8px;
  border-radius: var(--radius-full);
  animation: expand 1s ease-out forwards;
  transform-origin: left;
}

.feedback-line.critical {
  background: var(--danger);
  width: 80%;
}

.feedback-line.high {
  background: var(--warning);
  width: 60%;
  animation-delay: 0.2s;
}

.feedback-line.medium {
  background: var(--primary);
  width: 40%;
  animation-delay: 0.4s;
}

@keyframes expand {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.step-connector {
  width: 60px;
  height: 2px;
  background: var(--dark-border);
  margin-top: 30px;
  flex-shrink: 0;
  position: relative;
}

.step-connector::after {
  content: '→';
  position: absolute;
  right: -10px;
  top: -10px;
  color: var(--primary);
  font-size: 1.25rem;
}

/* Pricing Section */
.pricing {
  padding: 6rem 2rem;
  background: var(--dark-bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 4rem;
}

.pricing-card {
  position: relative;
  background: var(--dark-card);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--dark-border);
  transition: all 0.3s;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.pricing-card.featured {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
  transform: scale(1.05);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--gradient-secondary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-lg);
}

.popular-badge svg {
  width: 16px;
  height: 16px;
}

.pricing-header {
  margin-bottom: 2rem;
}

.pricing-header h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.5rem;
}

.pricing-description {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  margin-bottom: 2rem;
}

.price-currency {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-right: 0.25rem;
}

.price-amount {
  font-size: 4rem;
  font-weight: var(--font-weight-extrabold);
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-period {
  color: var(--text-muted);
  font-size: 1.125rem;
  margin-left: 0.5rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.btn-pricing {
  display: block;
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--dark-border);
  color: var(--text-primary);
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  transition: all 0.3s;
}

.btn-pricing:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-pricing.primary {
  background: var(--gradient-primary);
  border: none;
  color: var(--white);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
}

.btn-pricing.primary:hover {
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.4);
}

/* Pricing FAQ */
.pricing-faq {
  max-width: 900px;
  margin: 4rem auto 0;
  padding-top: 4rem;
  border-top: 1px solid var(--dark-border);
}

.pricing-faq h3 {
  text-align: center;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 3rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.faq-item h4 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.faq-item p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* CTA Section */
.cta {
  padding: 6rem 2rem;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-top: 1px solid var(--dark-border);
}

.cta-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.cta-content h2 {
  font-size: 3rem;
  font-weight: var(--font-weight-extrabold);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.cta-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cta-note {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-align: center;
}

.cta-testimonials {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--dark-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--dark-border);
}

.testimonial-stars {
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.testimonial-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 1.0625rem;
}

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

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.author-name {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.author-title {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  background: var(--dark-card);
  border-top: 1px solid var(--dark-border);
  padding: 4rem 2rem 2rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 350px;
}

.footer-tagline {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 1rem 0 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all 0.3s;
}

.footer-social a:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: var(--white);
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-column a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 0.75rem;
  transition: color 0.3s;
  font-size: 0.9375rem;
}

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

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--dark-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .steps-container {
    flex-direction: column;
  }
  
  .step-connector {
    width: 2px;
    height: 60px;
    margin: 0 30px;
  }
  
  .step-connector::after {
    content: '↓';
    right: -5px;
    top: auto;
    bottom: -15px;
  }
  
  .cta-container {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem 1rem;
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
    border-bottom: 1px solid var(--dark-border);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero {
    padding: 8rem 1.5rem 4rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .stat-divider {
    display: none;
  }
  
  .features {
    padding: 4rem 1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .section-subtitle {
    font-size: 1.125rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 1rem;
  }
  
  .feature-card {
    padding: 1.5rem;
  }
  
  .feature-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .feature-card h3 {
    font-size: 1.125rem;
  }
  
  .feature-card p {
    font-size: 0.9375rem;
    line-height: 1.6;
  }
  
  .feature-icon-wrapper {
    width: 56px;
    height: 56px;
  }
  
  .feature-icon-svg {
    width: 32px;
    height: 32px;
  }
  
  .feature-badge {
    font-size: 0.6875rem;
    padding: 0.25rem 0.5rem;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-8px);
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 6rem 1rem 3rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
    line-height: 1.3;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .btn-hero-primary, .btn-hero-secondary {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    min-height: 48px;
  }
  
  .features {
    padding: 3rem 0.5rem;
  }
  
  .features-grid {
    padding: 0;
  }
  
  .feature-card {
    padding: 1.25rem;
    margin: 0 0.5rem;
  }
  
  .feature-card h3 {
    font-size: 1.0625rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
  
  .feature-card p {
    font-size: 0.875rem;
  }
  
  .feature-icon-wrapper {
    width: 48px;
    height: 48px;
  }
  
  .feature-icon-svg {
    width: 28px;
    height: 28px;
  }
  
  .feature-badge {
    font-size: 0.625rem;
    padding: 0.1875rem 0.5rem;
    top: 0.75rem;
    right: 0.75rem;
  }
  
  .feature-link {
    font-size: 0.875rem;
  }
  
  .personas-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-content h2 {
    font-size: 1.75rem;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .navbar {
    padding: 0.75rem 0;
  }
  
  .nav-container {
    padding: 0 1rem;
  }
}