:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #818cf8;
  --accent: #06b6d4;
  --background: #fafaf9;
  --surface: #ffffff;
  --surface-alt: #f5f5f4;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --gradient-hero: radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.15) 0%, transparent 50%),
                   radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 40%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --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);
}

* {
  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-body);
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 249, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition-base);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79, 70, 229, 0.05);
}

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

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

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--gradient-hero);
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
}

.hero-blob-1 {
  width: 600px;
  height: 600px;
  background: rgba(79, 70, 229, 0.2);
  top: -200px;
  right: -100px;
}

.hero-blob-2 {
  width: 400px;
  height: 400px;
  background: rgba(6, 182, 212, 0.15);
  bottom: -100px;
  left: -50px;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--border-light) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}

.hero-content {
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 24px;
  border: 1px solid rgba(79, 70, 229, 0.2);
}

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

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

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

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

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid var(--border-light);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 8px;
}

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

/* Logos Section */
.logos-section {
  padding: 60px 0;
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.logos-label {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}

.logos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

.logo-item {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-muted);
  opacity: 0.7;
  transition: var(--transition-base);
}

.logo-item:hover {
  opacity: 1;
  color: var(--text-primary);
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--background);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--surface);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(79, 70, 229, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Process Section */
.process {
  padding: 100px 0;
  background: var(--surface);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.step-number {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Testimonials */
.testimonials {
  padding: 100px 0;
  background: var(--background);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background: var(--surface);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-stars {
  color: var(--warning);
  font-size: 1.2rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.author-info strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
}

.author-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Pricing */
.pricing {
  padding: 100px 0;
  background: var(--surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  align-items: start;
}

.pricing-card {
  background: var(--surface);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
}

.pricing-card.popular:hover {
  transform: scale(1.02) translateY(-6px);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-header {
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.pricing-header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.pricing-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

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

.price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.period {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-features li svg {
  color: var(--success);
  flex-shrink: 0;
}

/* FAQ */
.faq {
  padding: 100px 0;
  background: var(--background);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item:hover {
  border-color: var(--primary-light);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  transition: var(--transition-base);
  color: var(--text-muted);
}

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

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

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* CTA Section */
.cta {
  padding: 100px 0;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  line-height: 1.2;
}

.cta-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.cta-note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: var(--text-muted);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand p {
  margin: 16px 0 24px;
  line-height: 1.6;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  transition: var(--transition-base);
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.footer-links h4 {
  color: white;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 0;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: white;
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

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

/* Animations */
.animate-fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
}

.animate-fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

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

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

  .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);
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding: 120px 0 80px;
  }

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

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .process-grid::before {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .btn-lg {
    width: 100%;
  }

  .pricing-card.popular {
    transform: none;
  }

  .pricing-card.popular:hover {
    transform: translateY(-6px);
  }
}