:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #0f172a;
  --accent: #06b6d4;
  --text: #1e293b;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --success: #10b981;
  --error: #ef4444;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --radius-lg: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

ul {
  list-style: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

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

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

.btn-lg {
  padding: 16px 32px;
  font-size: 18px;
}

.btn-block {
  width: 100%;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 24px;
}

.logo-icon {
  color: var(--primary);
  font-family: monospace;
}

.logo-text {
  color: var(--secondary);
}

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

.nav a {
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s;
}

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

.header-cta {
  padding: 10px 20px;
}

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

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s;
}

.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 48px;
  line-height: 1.2;
  color: var(--secondary);
  margin-bottom: 24px;
}

.hero-content p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.visual-card {
  background: white;
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: transform 0.3s;
}

.visual-card:hover {
  transform: translateY(-5px);
}

.visual-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.visual-card span {
  font-weight: 600;
  color: var(--text);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 36px;
  color: var(--secondary);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-light);
}

.about {
  padding: 100px 0;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text h3 {
  font-size: 24px;
  color: var(--secondary);
  margin-bottom: 16px;
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.about-list {
  margin-top: 16px;
}

.about-list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-light);
}

.about-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stat-card {
  background: var(--primary);
  color: white;
  padding: 24px;
  border-radius: var(--radius-lg);
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
}

.stat-label {
  font-size: 14px;
  opacity: 0.9;
}

.services {
  padding: 100px 0;
  background: var(--bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 20px;
  color: var(--secondary);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-light);
  font-size: 15px;
}

.product {
  padding: 100px 0;
}

.product-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-info h3 {
  font-size: 28px;
  color: var(--secondary);
  margin-bottom: 16px;
}

.product-info p {
  color: var(--text-light);
  margin-bottom: 24px;
}

.product-info h4 {
  font-size: 18px;
  color: var(--secondary);
  margin-bottom: 16px;
}

.product-benefits {
  margin-bottom: 32px;
}

.product-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  color: var(--text-light);
}

.benefit-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.product-mockup {
  background: var(--bg-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.mockup-header {
  background: #1e293b;
  padding: 12px 16px;
  display: flex;
  gap: 8px;
}

.mockup-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ef4444;
}

.mockup-dot:nth-child(2) {
  background: #f59e0b;
}

.mockup-dot:nth-child(3) {
  background: #10b981;
}

.mockup-content {
  padding: 24px;
}

.mockup-title {
  color: white;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

.mockup-item {
  height: 16px;
  background: #334155;
  border-radius: 4px;
  margin-bottom: 12px;
}

.mockup-item.short {
  width: 60%;
}

.mockup-btn {
  background: var(--primary);
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius);
  display: inline-block;
  margin-top: 12px;
  font-weight: 500;
}

.testimonials {
  padding: 100px 0;
  background: var(--bg-alt);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.benefit-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.benefit-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.3;
  margin-bottom: 16px;
}

.benefit-card h3 {
  font-size: 20px;
  color: var(--secondary);
  margin-bottom: 12px;
}

.benefit-card p {
  color: var(--text-light);
  font-size: 15px;
}

.contact {
  padding: 100px 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 24px;
  color: var(--secondary);
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.contact-icon {
  font-size: 24px;
}

.contact-item strong {
  display: block;
  color: var(--secondary);
  margin-bottom: 4px;
}

.contact-item a {
  color: var(--primary);
}

.contact-item a:hover {
  text-decoration: underline;
}

.contact-cta {
  margin-top: 32px;
  padding: 20px;
  background: var(--bg-alt);
  border-radius: var(--radius);
}

.contact-cta p {
  color: var(--text-light);
  font-size: 15px;
}

.contact-form-wrapper {
  background: white;
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-message {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--radius);
  display: none;
}

.form-message.success {
  display: block;
  background: #d1fae5;
  color: #065f46;
}

.form-message.error {
  display: block;
  background: #fee2e2;
  color: #991b1b;
}

.footer {
  background: var(--bg-dark);
  color: white;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  color: white;
}

.footer-brand p {
  color: #94a3b8;
  margin-bottom: 8px;
}

.footer-brand .legal-name {
  font-size: 14px;
  color: #64748b;
}

.footer-links h4 {
  font-size: 16px;
  margin-bottom: 20px;
  color: white;
}

.footer-links a {
  display: block;
  color: #94a3b8;
  padding: 6px 0;
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid #1e293b;
  text-align: center;
}

.footer-bottom p {
  color: #64748b;
  font-size: 14px;
}

.policy-page {
  padding: 120px 0 80px;
}

.policy-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-content h1 {
  font-size: 36px;
  color: var(--secondary);
  margin-bottom: 16px;
}

.policy-content .last-update {
  color: var(--text-light);
  margin-bottom: 40px;
}

.policy-content h2 {
  font-size: 24px;
  color: var(--secondary);
  margin-top: 40px;
  margin-bottom: 16px;
}

.policy-content h3 {
  font-size: 20px;
  color: var(--secondary);
  margin-top: 24px;
  margin-bottom: 12px;
}

.policy-content p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.policy-content ul {
  margin-bottom: 16px;
  padding-left: 24px;
}

.policy-content li {
  color: var(--text-light);
  margin-bottom: 8px;
  list-style: disc;
}

.policy-content a {
  color: var(--primary);
}

.policy-content a:hover {
  text-decoration: underline;
}

@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-content h1 {
    font-size: 36px;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .about-stats {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .stat-card {
    flex: 1;
    min-width: 150px;
  }

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

  .product-content {
    grid-template-columns: 1fr;
  }

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

  .contact-content {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .header .container {
    position: relative;
  }

  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .nav.active {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

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

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

  .hero {
    padding: 100px 0 60px;
  }

  .hero-content h1 {
    font-size: 28px;
  }

  .hero-content p {
    font-size: 16px;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 16px;
  }

  .section-header h2 {
    font-size: 28px;
  }

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

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .contact-form-wrapper {
    padding: 24px;
  }
}