:root {
  --color-bg: #f7f7f5;
  --color-bg-dark: #1a1a1a;
  --color-bg-card: #ffffff;
  --color-border: #e0e0e0;
  --color-border-dark: #333333;
  --color-text: #1a1a1a;
  --color-text-secondary: #555555;
  --color-text-muted: #888888;
  --color-accent: #8b0000;
  --color-accent-light: #a52a2a;
  --color-success: #1a1a1a;
  --color-success-bg: #e8e8e8;
  --color-warning-bg: #fff0e0;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Courier New", Courier, monospace;
  --font-display: Georgia, "Times New Roman", serif;
  --transition: 150ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

/* Layout */
.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 720px;
}

/* Topbar */
.topbar {
  background: var(--color-bg-dark);
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
  text-decoration: none;
}

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

.logo-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.logo-full {
  font-size: 0.65rem;
  color: #999;
  letter-spacing: 0.5px;
}

.main-nav {
  display: flex;
  gap: 8px;
}

.nav-link {
  color: #ccc;
  padding: 8px 16px;
  font-size: 0.875rem;
  border-radius: 4px;
  transition: all var(--transition);
}

.nav-link:hover {
  color: white;
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}

/* Main */
.main {
  flex: 1;
  padding: 48px 0;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 40px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-accent);
  color: white;
  font-size: 0.7rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: normal;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.hero-subtitle .redacted {
  background: var(--color-bg-dark);
  color: var(--color-bg-dark);
  padding: 0 4px;
}

/* Stats bar */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-text);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Page header */
.page-header {
  text-align: center;
  margin-bottom: 40px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 12px;
  font-weight: normal;
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Content card */
.content-card {
  background: white;
  border: 1px solid var(--color-border);
  padding: 40px;
  line-height: 1.8;
}

.content-card h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 32px 0 16px;
  font-weight: normal;
  color: var(--color-text);
}

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

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

.content-card ul {
  margin: 16px 0;
  padding-left: 24px;
  color: var(--color-text-secondary);
}

.content-card li {
  margin-bottom: 8px;
}

.quote-block {
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  padding: 20px 24px;
  margin: 24px 0;
  font-style: italic;
}

.quote-block p {
  margin-bottom: 8px;
  color: var(--color-text);
  font-size: 1.1rem;
}

.quote-block cite {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.team-note {
  background: #fff3cd;
  border: 1px solid #ffc107;
  padding: 16px;
  margin: 24px 0;
  font-size: 0.9rem;
}

.legal-notice {
  background: #1a1a1a;
  color: white;
  padding: 20px;
  margin-bottom: 32px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.legal-notice strong {
  color: #ffc107;
}

.legal-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.certification-badge {
  background: var(--color-bg);
  padding: 16px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border: 1px dashed var(--color-border);
  margin-top: 24px;
}

/* Method steps */
.method-steps {
  margin: 24px 0;
}

.method-step {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.method-step:last-child {
  border-bottom: none;
}

.step-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.method-step h4 {
  margin-bottom: 8px;
  color: var(--color-text);
}

.method-step p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* Version table */
.version-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.9rem;
}

.version-table th,
.version-table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.version-table th {
  background: var(--color-bg);
  font-weight: 600;
}

/* FAQ */
.faq-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 12px;
  font-weight: normal;
  color: var(--color-text);
}

.faq-item p {
  margin-bottom: 0;
}

/* Card */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.card-header {
  background: var(--color-bg-dark);
  color: white;
  padding: 14px 24px;
  font-size: 0.8rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-header-icon {
  font-size: 1.1rem;
}

/* Form */
.form {
  padding: 32px;
}

.label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.input-row {
  display: flex;
  gap: 12px;
}

.consent-row {
  margin-top: 16px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.checkbox-label a {
  color: var(--color-accent);
  text-decoration: underline;
}

.checkbox-label a:hover {
  color: var(--color-text);
}

.input {
  flex: 1;
  height: 48px;
  padding: 0 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: white;
  border: 1px solid var(--color-border);
  outline: none;
  transition: border-color var(--transition);
}

.input:focus {
  border-color: var(--color-accent);
}

.input::placeholder {
  color: var(--color-text-muted);
}

.hint {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn--primary:hover:not(:disabled) {
  background: var(--color-accent-light);
}

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

.btn--secondary:hover:not(:disabled) {
  background: var(--color-bg);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Status */
.status {
  text-align: center;
  padding: 0 32px;
  min-height: 24px;
  font-size: 0.9rem;
}

.status:empty {
  display: none;
}

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

.status.error {
  color: var(--color-accent);
}

.loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.loading::before {
  content: "";
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Results */
.result {
  padding: 0 32px 32px;
}

.result:empty {
  display: none;
}

.result-card {
  border: 1px solid var(--color-border);
  padding: 24px;
  background: var(--color-bg);
}

.result-card--success {
  border-left: 4px solid var(--color-success);
}

.result-card--warning {
  border-left: 4px solid var(--color-accent);
  background: var(--color-warning-bg);
}

.result-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.result-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.result-card--success .result-icon {
  background: var(--color-bg-dark);
  color: white;
}

.result-card--warning .result-icon {
  background: var(--color-accent);
  color: white;
}

.result-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.result-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.result-name {
  color: var(--color-text);
  font-weight: bold;
  background: var(--color-bg-dark);
  color: white;
  padding: 2px 6px;
}

.result-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-border);
}

/* Footer */
.footer {
  background: var(--color-bg-dark);
  color: #999;
  padding: 48px 0 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  gap: 48px;
}

.footer-brand {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.footer-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.footer-brand strong {
  color: white;
  font-size: 1.1rem;
  display: block;
  margin-bottom: 4px;
}

.footer-brand p {
  font-size: 0.75rem;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  color: white;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: #888;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 48px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid #333;
  text-align: center;
  font-size: 0.75rem;
}

.footer-bottom p {
  margin: 4px 0;
}

/* Responsive */
@media (max-width: 768px) {
  .topbar-inner {
    flex-direction: column;
    height: auto;
    padding: 16px;
    gap: 12px;
  }
  
  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .nav-link {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .stats-bar {
    flex-direction: column;
    gap: 24px;
  }
  
  .footer-inner {
    flex-direction: column;
  }
  
  .footer-links {
    gap: 32px;
  }
}

@media (max-width: 560px) {
  .main {
    padding: 32px 0;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .content-card {
    padding: 24px;
  }
  
  .input-row {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}