/* Modern Landing Page Styles - Mobile-First Approach */

/* ========================================
   CSS Variables & Design Tokens
   ======================================== */
:root {
  /* Brand Colors */
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --primary-light: #38bdf8;
  --secondary: #06b6d4;
  --accent: #8b5cf6;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  --gradient-cta: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);

  /* Neutral Colors */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* 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, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  line-height: 1.6;
  background: white;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

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

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

/* ========================================
   Skip to Content Link
   ======================================== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: 0.5rem 1rem;
  text-decoration: none;
  z-index: 10000;
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) 0;
  box-shadow: var(--shadow-lg);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 2px solid white;
  outline-offset: 2px;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  transition: var(--transition-base);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--gray-900);
}

.logo-icon {
  width: 32px;
  height: 32px;
}

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

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

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition-fast);
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--gray-900);
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: var(--radius-md);
}

.mobile-menu-btn:hover {
  background: var(--gray-100);
}

.mobile-menu-btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.menu-icon {
  width: 24px;
  height: 24px;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu Active State */
.nav-links.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: white;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  gap: var(--space-md);
  z-index: 999;
}

@media (min-width: 768px) {
  .nav-links.active {
    position: static;
    flex-direction: row;
    box-shadow: none;
    border-bottom: none;
  }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(14, 165, 233, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(14, 165, 233, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

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

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

.btn-xl {
  padding: 1.25rem 2.5rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.btn-block {
  width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding: 120px 0 80px;
  background: var(--gradient-hero);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

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

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
  }
}

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  font-size: 0.875rem;
  opacity: 0.95;
}

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

.check-icon {
  width: 18px;
  height: 18px;
  color: var(--secondary);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.7;
  opacity: 0.95;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: var(--transition-base);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

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

.cta-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

@media (min-width: 640px) {
  .cta-input-group {
    flex-direction: row;
  }
}

.email-input {
  flex: 1;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.95);
  color: var(--gray-900);
  transition: all var(--transition-base);
  outline: none;
}

.email-input:focus {
  border-color: var(--secondary);
  background: white;
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.2);
}

.email-input::placeholder {
  color: var(--gray-500);
}

.email-input.large {
  padding: 1.25rem 1.75rem;
  font-size: 1.125rem;
}

.cta-note {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.mockup {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

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

.mockup-window {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
}

.window-header {
  background: var(--gray-100);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--gray-200);
}

.window-dots {
  display: flex;
  gap: var(--space-sm);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red {
  background: #ef4444;
}

.dot.yellow {
  background: #f59e0b;
}

.dot.green {
  background: #10b981;
}

.window-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

.window-content {
  padding: var(--space-lg);
  background: white;
}

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

.message-card {
  padding: var(--space-lg);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  cursor: pointer;
}

.message-card:hover {
  background: white;
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.message-card.active {
  background: white;
  border-color: var(--primary);
  border-left-width: 3px;
}

.message-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.platform-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.platform-icon svg {
  width: 20px;
  height: 20px;
}

.platform-icon.whatsapp {
  background: #25d366;
  color: white;
}

.platform-icon.instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
}

.platform-icon.facebook {
  background: #1877f2;
  color: white;
}

.message-meta {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.client-name {
  font-weight: 600;
  color: var(--gray-900);
}

.time {
  font-size: 0.75rem;
  color: var(--gray-600);
}

.message-text {
  color: var(--gray-700);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.message-actions {
  display: flex;
  gap: var(--space-sm);
}

.action-btn {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  background: rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.action-btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Floating Cards */
.floating-card {
  position: absolute;
  background: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  animation: floatSlow 8s ease-in-out infinite;
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-10px) translateX(5px);
  }
}

.floating-card.card-1 {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.floating-card.card-2 {
  top: 50%;
  right: -15%;
  animation-delay: 1s;
}

.floating-card.card-3 {
  bottom: 20%;
  right: -5%;
  animation-delay: 2s;
}

.mini-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  background: var(--gray-100);
}

.mini-icon.whatsapp {
  background: #25d366;
  color: white;
}

.mini-icon.instagram {
  background: linear-gradient(45deg, #f09433 0%, #bc1888 100%);
  color: white;
}

.mini-text {
  font-weight: 600;
  color: var(--gray-700);
}

/* ========================================
   Social Proof Section
   ======================================== */
.social-proof {
  padding: var(--space-3xl) 0;
  background: white;
  border-bottom: 1px solid var(--gray-200);
}

.proof-label {
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xl);
}

.testimonial-carousel {
  max-width: 800px;
  margin: 0 auto;
}

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

.quote {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--gray-700);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.author-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.author-name {
  font-weight: 600;
  color: var(--gray-900);
}

.author-role {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ========================================
   Section Common Styles
   ======================================== */
section {
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(14, 165, 233, 0.1);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-badge.gradient {
  background: var(--gradient-primary);
  color: white;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========================================
   Problem/Solution Section
   ======================================== */
.problem-solution {
  padding: var(--space-4xl) 0;
  background: var(--gray-50);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-4xl);
}

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

.problem-card {
  background: white;
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.problem-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

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

.problem-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.problem-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
}

.problem-card p {
  color: var(--gray-600);
  line-height: 1.7;
}

.solution-reveal {
  margin-top: var(--space-4xl);
}

.reveal-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-4xl);
}

.divider-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
}

.divider-icon {
  font-size: 2rem;
  color: var(--primary);
  font-weight: 700;
}

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

.solution-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  padding: var(--space-3xl);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-radius: var(--radius-2xl);
  margin-top: var(--space-2xl);
}

@media (min-width: 768px) {
  .solution-visual {
    flex-direction: row;
  }
}

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

.platform-tag {
  background: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
}

.arrow-icon {
  font-size: 3rem;
  color: var(--primary);
  font-weight: 700;
  transform: rotate(90deg);
}

@media (min-width: 768px) {
  .arrow-icon {
    transform: rotate(0);
  }
}

.unified-box {
  background: var(--gradient-primary);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  text-align: center;
  min-width: 250px;
}

.unified-icon {
  margin: 0 auto var(--space-md);
}

.unified-icon svg {
  width: 64px;
  height: 64px;
}

.unified-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
  padding: var(--space-4xl) 0;
  background: white;
}

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

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: 1fr auto 1fr auto 1fr;
  }
}

.step {
  text-align: center;
  padding: var(--space-2xl);
}

.step-visual {
  position: relative;
  margin-bottom: var(--space-lg);
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
}

.step:hover .step-icon {
  transform: scale(1.1) rotate(5deg);
}

.step-icon svg {
  width: 40px;
  height: 40px;
}

.step-number {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--gray-600);
  text-align: center;
}

.step h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
}

.step p {
  color: var(--gray-600);
  line-height: 1.7;
}

.step-connector {
  display: none;
}

@media (min-width: 1024px) {
  .step-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 40px;
    position: relative;
  }

  .step-connector::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
  }

  .step-connector::after {
    content: '';
    position: absolute;
    right: 8px;
    width: 0;
    height: 0;
    border-left: 12px solid var(--primary);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
  }
}

/* ========================================
   Features Section
   ======================================== */
.features {
  padding: var(--space-4xl) 0;
  background: var(--gray-50);
}

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

@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: white;
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

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

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  transition: var(--transition-base);
}

.feature-icon.gradient {
  background: var(--gradient-primary);
  color: white;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--gray-600);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
  padding: var(--space-4xl) 0;
  background: white;
}

.pricing-toggle {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  background: var(--gray-100);
  padding: var(--space-xs);
  border-radius: var(--radius-full);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.toggle-btn {
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-600);
  background: transparent;
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.toggle-btn.active {
  background: white;
  color: var(--gray-900);
  box-shadow: var(--shadow-sm);
}

.discount-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--success);
  color: white;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  margin-left: var(--space-xs);
}

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

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

.price-card {
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  position: relative;
  transition: all var(--transition-base);
}

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

.price-card.featured {
  border-color: var(--primary);
  border-width: 3px;
  box-shadow: var(--shadow-xl);
  transform: scale(1.05);
}

@media (min-width: 1024px) {
  .price-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
  }
}

.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-lg);
}

.price-header {
  margin-bottom: var(--space-xl);
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
}

.plan-target {
  color: var(--gray-600);
  font-size: 0.9375rem;
}

.price-amount {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

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

.amount {
  font-size: 4rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
}

.period {
  font-size: 1rem;
  color: var(--gray-600);
}

.price-features {
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.price-features li {
  display: flex;
  align-items: start;
  gap: var(--space-md);
  color: var(--gray-700);
}

.price-features .check {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--secondary);
  margin-top: 2px;
}

.price-features strong {
  color: var(--gray-900);
}

.price-roi {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  text-align: center;
  margin-bottom: var(--space-lg);
  font-size: 0.9375rem;
}

.pricing-note {
  text-align: center;
  color: var(--gray-600);
  font-size: 0.9375rem;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
  padding: var(--space-4xl) 0;
  background: var(--gray-50);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition-base);
  cursor: pointer;
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xl);
  cursor: pointer;
  width: 100%;
  background: transparent;
  border: none;
  text-align: left;
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background: var(--gray-50);
}

.faq-question:focus {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

.faq-question h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.chevron {
  width: 24px;
  height: 24px;
  color: var(--gray-400);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

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

.faq-answer p {
  padding: 0 var(--space-xl) var(--space-xl);
  color: var(--gray-600);
  line-height: 1.7;
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
  padding: var(--space-4xl) 0;
  background: var(--gradient-hero);
  color: white;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.cta-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  opacity: 0.95;
  margin-bottom: var(--space-3xl);
  line-height: 1.7;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
  .cta-form {
    flex-direction: row;
  }
}

.cta-guarantees {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
}

.guarantee {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
}

.guarantee-icon {
  width: 24px;
  height: 24px;
  color: var(--secondary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: var(--space-4xl) 0 var(--space-xl);
  background: var(--gray-900);
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
  width: 32px;
  height: 32px;
}

.footer-description {
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.footer-locales {
  display: flex;
  gap: var(--space-md);
  font-size: 0.875rem;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

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

.footer-col a {
  color: var(--gray-400);
  font-size: 0.9375rem;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-800);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

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

.footer-links a {
  color: var(--gray-500);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

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

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

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Animation classes */
.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out both;
}

.animate-fadeIn {
  animation: fadeIn 0.8s ease-out both;
}

.animate-slideInLeft {
  animation: slideInLeft 0.8s ease-out both;
}

.animate-slideInRight {
  animation: slideInRight 0.8s ease-out both;
}

.animate-scaleIn {
  animation: scaleIn 0.6s ease-out both;
}

/* Stagger delays */
.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

/* ========================================
   Responsive Utilities
   ======================================== */
@media (max-width: 1023px) {
  .floating-card {
    display: none;
  }
}

/* Print styles */
@media print {
  .nav,
  .cta,
  .footer {
    display: none;
  }
}