/* ============================================
   FlowSync - Modern SaaS Landing Page
   Design System & Styles
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
  /* Colors - Indigo/Violet Modern Palette */
  --color-primary: #6366F1;
  --color-primary-dark: #4F46E5;
  --color-primary-light: #818CF8;
  --color-secondary: #8B5CF6;
  --color-accent: #EC4899;
  
  /* Neutrals */
  --color-bg: #0F0F0F;
  --color-bg-elevated: #1A1A1A;
  --color-bg-card: #1E1E1E;
  --color-text: #FAFAFA;
  --color-text-muted: #A1A1AA;
  --color-text-subtle: #71717A;
  --color-border: #27272A;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --gradient-hero: linear-gradient(180deg, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
  --gradient-text: linear-gradient(135deg, #6366F1 0%, #EC4899 100%);
  
  /* Feature Gradients */
  --gradient-feature-1: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --gradient-feature-2: linear-gradient(135deg, #10B981 0%, #34D399 100%);
  --gradient-feature-3: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --gradient-feature-4: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
  --gradient-feature-5: linear-gradient(135deg, #EC4899 0%, #F472B6 100%);
  
  /* Typography */
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Outfit', sans-serif;
  
  /* Spacing Scale */
  --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-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
  --shadow-glow-lg: 0 0 60px rgba(99, 102, 241, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-8);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-12);
  }
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(15, 15, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 640px) {
  .nav-container {
    padding: 0 var(--space-8);
  }
}

@media (min-width: 1024px) {
  .nav-container {
    padding: 0 var(--space-12);
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo svg {
  flex-shrink: 0;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

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

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

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

.nav-actions {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .nav-actions {
    display: flex;
  }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 10;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

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

.btn-ghost {
  color: var(--color-text-muted);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--color-text);
}

.btn-ghost-white {
  color: white;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-white {
  background: white;
  color: var(--color-bg);
}

.btn-white:hover {
  background: var(--color-text);
  transform: translateY(-2px);
}

.btn-large {
  padding: var(--space-4) var(--space-6);
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(80px + var(--space-16)) 0 var(--space-16);
  overflow: hidden;
}

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

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero .container {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-16);
  }
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary-light);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.title-line {
  display: block;
  animation: fadeInUp 0.6s ease backwards;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }
.title-line:nth-child(3) { animation-delay: 0.3s; }

.title-line.highlight {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.hero-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 500px;
  animation: fadeInUp 0.6s ease 0.4s backwards;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  animation: fadeInUp 0.6s ease 0.5s backwards;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  animation: fadeInUp 0.6s ease 0.6s backwards;
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

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

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

@media (max-width: 480px) {
  .stat-divider {
    width: 100%;
    height: 1px;
  }
}

/* Hero Visual - Dashboard Mockup */
.hero-visual {
  position: relative;
  animation: fadeInUp 0.8s ease 0.3s backwards;
}

.dashboard-mockup {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 
    0 0 0 1px rgba(99, 102, 241, 0.1),
    0 25px 50px -12px rgba(0, 0, 0, 0.5);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: transform var(--transition-slow);
}

.dashboard-mockup:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--color-border);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--color-text-subtle);
}

.mockup-dots span:nth-child(1) { background: #EF4444; }
.mockup-dots span:nth-child(2) { background: #F59E0B; }
.mockup-dots span:nth-child(3) { background: #10B981; }

.mockup-nav {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
}

.mockup-nav span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.mockup-nav span.active,
.mockup-nav span:hover {
  color: var(--color-text);
}

.mockup-content {
  display: grid;
  grid-template-columns: 180px 1fr;
  min-height: 320px;
}

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

.mockup-sidebar {
  padding: var(--space-4);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

@media (max-width: 640px) {
  .mockup-sidebar {
    display: none;
  }
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-item:hover,
.sidebar-item.active {
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-text);
}

.mockup-main {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mockup-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
  font-weight: 600;
}

.card-badge {
  padding: var(--space-1) var(--space-3);
  background: rgba(16, 185, 129, 0.1);
  color: #10B981;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

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

.workflow-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-lg);
}

.workflow-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.workflow-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.workflow-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

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

.workflow-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 24px;
}

.chart-bar {
  width: 4px;
  background: var(--color-primary);
  border-radius: 2px;
  animation: chartPulse 2s ease-in-out infinite;
}

.chart-bar:nth-child(2) { animation-delay: 0.2s; }
.chart-bar:nth-child(3) { animation-delay: 0.4s; }
.chart-bar:nth-child(4) { animation-delay: 0.6s; }

@keyframes chartPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

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

.activity-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.activity-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

.activity-text {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--space-1);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  flex: 1;
}

.activity-user {
  color: var(--color-text);
  font-weight: 500;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
}

/* Hero Brands */
.hero-brands {
  margin-top: var(--space-16);
  text-align: center;
  animation: fadeInUp 0.6s ease 0.7s backwards;
}

.hero-brands p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.brands-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
  opacity: 0.5;
}

.brand-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

/* ============================================
   Section Styles
   ============================================ */

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-16);
}

.section-tag {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-light);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

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

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

/* ============================================
   Features Section
   ============================================ */

.features {
  padding: var(--space-24) 0;
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.features-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(99, 102, 241, 0.06), transparent 40%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

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

.feature-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card.large {
  grid-column: 1 / -1;
}

@media (min-width: 1024px) {
  .feature-card.large {
    grid-column: span 2;
  }
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-6);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.feature-description {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.feature-visual {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.workflow-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.node {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
}

.node.trigger {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--color-primary-light);
}

.node.action {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34D399;
}

.node.condition {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #FBBF24;
}

.connector {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-border), var(--color-primary), var(--color-border));
  position: relative;
}

.connector::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid var(--color-primary);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
  padding: var(--space-24) 0;
  background: var(--color-bg-elevated);
  position: relative;
}

.testimonials::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.testimonials-carousel {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-card {
  flex: 0 0 100%;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  text-align: center;
}

.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  color: #FBBF24;
}

.testimonial-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
}

.author-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.author-name {
  font-weight: 600;
  color: var(--color-text);
}

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

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.carousel-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.carousel-dots {
  display: flex;
  gap: var(--space-2);
}

.carousel-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: all var(--transition-base);
}

.carousel-dots .dot.active {
  background: var(--color-primary);
  width: 24px;
}

/* ============================================
   Pricing Section
   ============================================ */

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

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.toggle-label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.toggle-label.active {
  color: var(--color-text);
}

.save-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  background: rgba(16, 185, 129, 0.1);
  color: #10B981;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: var(--space-2);
}

.toggle-switch {
  width: 56px;
  height: 28px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
  transition: all var(--transition-base);
}

.toggle-switch.yearly {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--color-primary);
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-bounce);
}

.toggle-switch.yearly .toggle-thumb {
  transform: translateX(28px);
  background: var(--color-primary);
}

.pricing-grid {
  display: grid;
  gap: var(--space-6);
  max-width: 1000px;
  margin: 0 auto;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-4px);
}

.pricing-card.popular {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-4);
  background: var(--gradient-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.pricing-header {
  margin-bottom: var(--space-6);
}

.pricing-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

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

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}

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

.price-value {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

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

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.pricing-features li svg {
  color: #10B981;
  flex-shrink: 0;
}

/* ============================================
   CTA Section
   ============================================ */

.cta {
  padding: var(--space-24) 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.1;
}

.cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

.cta-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

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

/* ============================================
   Footer
   ============================================ */

.footer {
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 2fr;
  }
}

.footer-brand {
  max-width: 300px;
}

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

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .footer-links {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-column h4 {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-column a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
}

.footer-made {
  font-style: italic;
}

/* ============================================
   Scroll Animations
   ============================================ */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Mobile Navigation
   ============================================ */

@media (max-width: 767px) {
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }
  
  .nav-links.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    font-size: 1.5rem;
    font-weight: 600;
  }
}

/* ============================================
   Reduced Motion
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}