:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  text-decoration: none;
}

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

.btn-secondary:hover:not(:disabled) {
  background: var(--color-border);
  text-decoration: none;
}

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

/* Header / Hero */
.hero {
  padding: 24px 0 80px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

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

.nav-link {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--color-text);
  text-decoration: none;
}

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

.hero-text h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-text p {
  font-size: 20px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.hero-visual {
  position: relative;
}

.mockup {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 480px;
  margin: 0 auto;
}

.mockup-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 16px;
}

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

.mockup-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
}

.mockup-dots span:first-child {
  background: #ff5f57;
}

.mockup-dots span:nth-child(2) {
  background: #ffbd2e;
}

.mockup-dots span:last-child {
  background: #28ca42;
}

.mockup-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.upload-zone svg {
  margin-bottom: 12px;
  opacity: 0.5;
}

.upload-zone p {
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--color-text);
}

.upload-zone span {
  font-size: 14px;
}

.processing {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 16px;
}

.progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.processing-text {
  font-size: 13px;
  color: var(--color-text-muted);
  font-family: monospace;
}

.result {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
}

.badge.success {
  background: #dcfce7;
  color: var(--color-success);
}

.result-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Features Section */
.features {
  padding: 80px 0;
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.2s ease;
}

.feature-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: #eff6ff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Platforms Section */
.platforms {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.platforms-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.platform-badge {
  padding: 10px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: all 0.2s;
}

.platform-badge:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}

/* CTA Section */
.cta {
  padding: 80px 0;
  background: var(--color-primary);
  text-align: center;
}

.cta h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}

.cta p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta .btn-primary:hover {
  background: #f1f5f9;
  text-decoration: none;
}

/* Footer */
.footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

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

.footer-brand p {
  font-size: 15px;
  color: #64748b;
  max-width: 280px;
}

.footer-links h4 {
  color: white;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid #1e293b;
  font-size: 14px;
}

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

.footer-social a {
  color: #64748b;
  transition: color 0.2s;
}

.footer-social a:hover {
  color: white;
  text-decoration: none;
}

/* Page Hero */
.page-hero {
  padding: 60px 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.page-description {
  font-size: 20px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* About Page */
.about-section {
  padding: 80px 0;
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 60px;
  align-items: start;
}

.about-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  margin-top: 40px;
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content p {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: sticky;
  top: 100px;
}

.stat-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: all 0.2s;
}

.stat-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Values Section */
.values-section {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.value-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.2s;
}

.value-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.value-icon {
  width: 48px;
  height: 48px;
  background: #eff6ff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Contact Page */
.contact-section {
  padding: 80px 0;
  background: var(--color-bg);
}

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

.contact-info h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.contact-method {
  display: flex;
  gap: 16px;
}

.method-icon {
  width: 44px;
  height: 44px;
  background: #eff6ff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-method h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-method a {
  color: var(--color-primary);
  font-weight: 500;
}

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

.method-note {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.contact-links h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.social-links a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  text-decoration: none;
}

/* Contact Form */
.contact-form-container {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: 100px;
}

.contact-form-container h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-success,
.form-error {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-success {
  background: #dcfce7;
  color: var(--color-success);
  border: 1px solid #bbf7d0;
}

.form-error {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.form-success svg,
.form-error svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

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

.form-note {
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 8px;
}

.form-note a {
  color: var(--color-primary);
  font-weight: 500;
}

/* FAQ Section */
.faq-section {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: var(--color-bg-alt);
}

.faq-item p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-item a {
  color: var(--color-primary);
  font-weight: 500;
}

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

/* Responsive for new pages */
@media (max-width: 960px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    position: static;
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-form-container {
    position: static;
  }
}

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-container {
    padding: 24px 20px;
  }
}

/* Demo Card - Hero */
.demo-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 540px;
  margin: 0 auto;
}

.demo-header {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  padding: 12px 20px;
  text-align: center;
}

.demo-tag {
  color: white;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.before-after {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  padding: 24px;
  align-items: center;
}

.before, .after {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}

.file-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.file-icon.error {
  background: #fef2f2;
  color: #dc2626;
}

.file-icon.success {
  background: #dcfce7;
  color: var(--color-success);
}

.file-details {
  width: 100%;
}

.file-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
  word-break: break-all;
}

.file-size {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 2px;
}

.file-size.error {
  color: #dc2626;
}

.file-size.success {
  color: var(--color-success);
}

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

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.status-badge.error {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.status-badge.success {
  background: #dcfce7;
  color: var(--color-success);
  border: 1px solid #bbf7d0;
}

.arrow {
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-note {
  padding: 16px 24px;
  background: var(--color-bg-alt);
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

/* Problem Section */
.problem-section {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

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

.problem-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.problem-text {
  font-size: 18px;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.problem-text strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Feature Cards - Updated */
.feature-number {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}

/* Use Cases Section */
.use-cases {
  padding: 80px 0;
  background: var(--color-bg);
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.use-case-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.2s ease;
  text-align: center;
}

.use-case-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.use-case-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.use-case-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.use-case-card p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Privacy Section */
.privacy-section {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.privacy-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #eff6ff;
  color: var(--color-primary);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.privacy-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.privacy-points {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.privacy-point {
  display: flex;
  gap: 16px;
  align-items: start;
}

.privacy-point svg {
  flex-shrink: 0;
  color: var(--color-success);
  margin-top: 2px;
}

.privacy-point strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.privacy-point p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

.link-with-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 15px;
  transition: gap 0.2s;
}

.link-with-arrow:hover {
  gap: 12px;
  text-decoration: none;
}

.privacy-visual {
  position: sticky;
  top: 100px;
}

.privacy-diagram {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.diagram-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.diagram-item svg {
  opacity: 0.8;
}

.diagram-item.local svg {
  color: var(--color-primary);
}

.diagram-item.cloud svg {
  color: var(--color-text-muted);
}

.diagram-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.diagram-tag {
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}

.diagram-tag.success {
  background: #dcfce7;
  color: var(--color-success);
}

.diagram-tag.muted {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
}

.diagram-separator {
  width: 100%;
  text-align: center;
  position: relative;
  padding: 12px 0;
}

.barrier {
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    #dc2626,
    #dc2626 10px,
    transparent 10px,
    transparent 20px
  );
  margin-bottom: 8px;
}

.diagram-separator span {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Testimonials Section */
.testimonials {
  padding: 80px 0;
  background: var(--color-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.2s ease;
}

.testimonial-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 18px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial-author strong {
  font-size: 15px;
  color: var(--color-text);
  font-weight: 600;
}

.testimonial-author span {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* CTA Updates */
.cta-note {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .before-after {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .arrow {
    transform: rotate(90deg);
  }

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

  .privacy-visual {
    position: static;
    order: -1;
  }

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

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .nav {
    flex-direction: column;
    gap: 16px;
    height: auto;
    padding: 16px 0;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .nav-links .btn-primary {
    width: 100%;
    justify-content: center;
  }

  .hero {
    padding: 0 0 60px;
  }

  .hero-content {
    margin-top: 40px;
    gap: 40px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }

  .features,
  .platforms,
  .cta {
    padding: 60px 0;
  }

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

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* Error Pages */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.error-page .container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 60px;
  align-items: center;
  max-width: 1000px;
}

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

.error-code {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: #eff6ff;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.error-content h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.error-content > p {
  font-size: 18px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.error-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.error-links {
  color: var(--color-text-muted);
}

.error-links p {
  font-size: 14px;
  margin-bottom: 16px;
}

.error-links nav {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.error-links a {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.error-links a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.error-illustration {
  display: flex;
  justify-content: center;
  align-items: center;
}

@media (max-width: 960px) {
  .error-page .container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .error-illustration {
    order: -1;
  }

  .error-links nav {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .error-page {
    padding: 40px 0;
  }

  .error-actions {
    flex-direction: column;
    align-items: center;
  }

  .error-actions .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

/* FAQ Page */
.faq-categories {
  max-width: 900px;
  margin: 0 auto;
}

.category-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding: 0 16px;
}

.category-tab {
  padding: 10px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.category-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.category-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.faq-grid {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq-item[hidden] {
  display: none;
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--color-text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item summary:hover {
  background: var(--color-bg-alt);
}

.faq-item p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-item a {
  color: var(--color-primary);
  font-weight: 500;
}

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

.faq-cta {
  text-align: center;
  padding: 60px 20px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  margin-top: 60px;
  color: white;
}

.faq-cta h2 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  margin-bottom: 12px;
}

.faq-cta p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
}

.faq-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.faq-cta .btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
}

.faq-cta .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  text-decoration: none;
}

@media (max-width: 640px) {
  .category-tabs {
    gap: 6px;
  }

  .category-tab {
    padding: 8px 16px;
    font-size: 13px;
  }

  .faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 20px 16px;
    font-size: 14px;
  }

  .faq-cta {
    padding: 40px 20px;
  }
}