:root {
  --bg-primary: rgb(249, 250, 251);
  --text-primary: rgb(17, 24, 39);
  --text-secondary: rgb(75, 85, 99);
  --text-muted: rgb(107, 114, 128);
  --accent-blue: rgb(37, 99, 235);
  --accent-light-blue: rgb(14, 165, 233);
  --accent-purple: rgb(147, 51, 234);
  --accent-teal: rgb(6, 182, 212);
  --accent-orange: rgb(249, 115, 22);
  --white: rgb(255, 255, 255);
  --gray-50: rgb(249, 250, 251);
  --gray-100: rgb(243, 244, 246);
  --gray-200: rgb(229, 231, 235);
  --gray-300: rgb(209, 213, 219);
  --gray-800: rgb(31, 41, 55);
  --gray-900: rgb(17, 24, 39);
}

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

body {
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

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

.header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.logo-text {
  font-weight: 600;
  font-size: 18px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

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

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

.btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

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

.btn-primary:hover {
  background: rgb(29, 78, 216);
}

.btn-secondary {
  background: var(--white);
  color: var(--text-primary);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-50);
}

.btn-large {
  padding: 12px 24px;
  font-size: 16px;
}

.hero {
  padding: 80px 0;
  background: linear-gradient(to right bottom, rgb(240, 249, 255), var(--white), rgb(250, 245, 255));
}

.hero-content {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 24px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.hero-card {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  text-align: left;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--gray-200);
}

.hero-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.hero-card-icon.blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}

.hero-card-icon.teal {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-teal);
}

.hero-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-card p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.card-link {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
}

.card-link:hover {
  text-decoration: underline;
}

.platform-icons {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.platform-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-300);
}

.featured-section {
  padding: 32px 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

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

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-orange);
  padding: 8px 16px;
  border-radius: 24px;
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 16px;
}

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

.featured-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-orange);
  color: white;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  margin-bottom: 16px;
}

.section-description {
  font-size: 18px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.testimonials {
  padding: 80px 0;
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial {
  background: var(--gray-50);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--gray-200);
}

.testimonial-icon {
  font-size: 24px;
  margin-bottom: 16px;
}

.testimonial p {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 24px;
  line-height: 1.6;
}

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

.author-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--text-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
}

.author-name {
  font-weight: 600;
  font-size: 14px;
}

.author-title {
  font-size: 12px;
  color: var(--text-muted);
}

.how-it-works {
  padding: 80px 0;
  background: var(--bg-primary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step {
  text-align: center;
}

.step-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.step-icon.blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}

.step-icon.teal {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-teal);
}

.step-icon.purple {
  background: rgba(147, 51, 234, 0.1);
  color: var(--accent-purple);
}

.step h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.platform-features {
  padding: 80px 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature {
  background: var(--gray-50);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--gray-200);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon.blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}

.feature-icon.teal {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-teal);
}

.feature-icon.purple {
  background: rgba(147, 51, 234, 0.1);
  color: var(--accent-purple);
}

.feature h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.stats {
  padding: 80px 0;
  background: var(--bg-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 64px;
}

.stat {
  text-align: center;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.stat-icon.blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}

.stat-icon.teal {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-teal);
}

.stat-icon.purple {
  background: rgba(147, 51, 234, 0.1);
  color: var(--accent-purple);
}

.stat-icon.orange {
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-orange);
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.cta-section {
  text-align: center;
}

.cta-card {
  background: var(--white);
  border-radius: 16px;
  padding: 48px;
  max-width: 500px;
  margin: 0 auto;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--gray-200);
}

.cta-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.cta-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-card p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 64px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-section h4 {
  color: var(--white);
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-description {
  color: var(--gray-300);
  line-height: 1.6;
  margin-top: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color 0.2s;
}

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

.contact-info p {
  margin-bottom: 16px;
  line-height: 1.6;
}

.contact-info a {
  color: var(--accent-light-blue);
  text-decoration: none;
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 24px;
  text-align: center;
  color: var(--gray-300);
}

.pricing-hero {
  padding: 80px 0;
  background: linear-gradient(to right bottom, rgb(240, 249, 255), var(--white), rgb(250, 245, 255));
}

.pricing-hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.toggle-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.toggle-switch {
  position: relative;
}

.toggle-input {
  display: none;
}

.toggle-slider {
  display: block;
  width: 48px;
  height: 24px;
  background: var(--gray-300);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
  position: relative;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-input:checked + .toggle-slider {
  background: var(--accent-blue);
}

.toggle-input:checked + .toggle-slider::before {
  transform: translateX(24px);
}

.toggle-badge {
  background: rgba(34, 197, 94, 0.1);
  color: rgb(34, 197, 94);
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.pricing-plans {
  padding: 80px 0;
  background: var(--bg-primary);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.plan {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--gray-200);
  position: relative;
}

.plan-recommended {
  border-color: var(--accent-blue);
  box-shadow: 0 4px 6px rgba(37, 99, 235, 0.1);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-blue);
  color: white;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.plan-header {
  text-align: center;
  margin-bottom: 32px;
}

.plan-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.price-amount {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
}

.price-period {
  font-size: 16px;
  color: var(--text-secondary);
}

.plan-billing {
  font-size: 14px;
  color: var(--text-muted);
}

.plan-features {
  margin-bottom: 32px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.feature-icon {
  color: var(--accent-blue);
  flex-shrink: 0;
}

.btn-full {
  width: 100%;
}

.pricing-faq {
  padding: 80px 0;
  background: var(--white);
}

.pricing-info {
  margin-bottom: 64px;
}

.pricing-card {
  background: var(--gray-50);
  border-radius: 16px;
  padding: 48px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  border: 1px solid var(--gray-200);
}

.pricing-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

.price-range {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}

.price-min, .price-max {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-blue);
}

.price-separator {
  font-size: 24px;
  color: var(--text-secondary);
}

.price-unit {
  font-size: 16px;
  color: var(--text-secondary);
}

.pricing-factors {
  list-style: none;
  text-align: left;
  max-width: 300px;
  margin: 0 auto;
}

.pricing-factors li {
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-200);
  color: var(--text-secondary);
}

.pricing-factors li:last-child {
  border-bottom: none;
}

.faq-section {
  margin-bottom: 48px;
}

.faq-section h3 {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 32px;
}

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin-bottom: 8px;
}

.faq-question {
  width: 100%;
  padding: 20px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.faq-icon {
  color: var(--text-secondary);
  transition: transform 0.2s;
}

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

.faq-answer {
  padding: 0 20px 20px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.product-hero {
  padding: 80px 0;
  background: linear-gradient(to right bottom, rgb(240, 249, 255), var(--white), rgb(250, 245, 255));
}

.product-hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.how-it-works-detailed {
  padding: 80px 0;
  background: var(--bg-primary);
}

.process-steps {
  max-width: 800px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: 32px;
  margin-bottom: 64px;
  align-items: flex-start;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.step-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-feature {
  display: flex;
  align-items: center;
  gap: 12px;
}

.step-feature svg {
  color: var(--accent-blue);
  flex-shrink: 0;
}

.competitive-advantages {
  padding: 80px 0;
  background: var(--white);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}

.comparison-item {
  background: var(--gray-50);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--gray-200);
}

.comparison-item.purple-mountain {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(147, 51, 234, 0.05));
  border-color: var(--accent-blue);
}

.comparison-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.comparison-header h3 {
  font-size: 20px;
  font-weight: 700;
}

.comparison-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.comparison-icon.traditional {
  background: rgba(239, 68, 68, 0.1);
  color: rgb(239, 68, 68);
}

.comparison-icon.advanced {
  background: rgba(34, 197, 94, 0.1);
  color: rgb(34, 197, 94);
}

.comparison-features {
  list-style: none;
}

.comparison-features li {
  padding: 8px 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--gray-200);
}

.comparison-features li:last-child {
  border-bottom: none;
}

.performance-metrics {
  text-align: center;
}

.performance-metrics h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 32px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.metric {
  text-align: center;
}

.metric-value {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 8px;
}

.metric-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.technical-specifications {
  padding: 80px 0;
  background: var(--bg-primary);
}

.tech-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.tech-spec {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--gray-200);
}

.spec-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.tech-spec h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.features-hero {
  padding: 80px 0;
  background: linear-gradient(to right bottom, rgb(240, 249, 255), var(--white), rgb(250, 245, 255));
}

.features-hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.core-features {
  padding: 80px 0;
  background: var(--bg-primary);
}

.features-grid-large {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--gray-200);
}

.feature-icon-large {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon-large.blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}

.feature-icon-large.teal {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-teal);
}

.feature-icon-large.purple {
  background: rgba(147, 51, 234, 0.1);
  color: var(--accent-purple);
}

.feature-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.feature-benefits {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.benefit svg {
  color: var(--accent-blue);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .header-content {
    flex-direction: column;
    height: auto;
    padding: 16px 0;
    gap: 16px;
  }
  
  .nav {
    gap: 16px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-cards {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .plans-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tech-specs-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid-large {
    grid-template-columns: 1fr;
  }
  
  .process-step {
    flex-direction: column;
    gap: 16px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}