/* TakeoutBackup — Modern Static Stylesheet
   Designed for fast loading, zero external dependencies, accessible contrast,
   and responsive mobile-first display. Supports light and dark modes. */

:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-subtle: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-subtle: #64748b;
  --color-primary: #1d4ed8;
  --color-primary-hover: #1e40af;
  --color-primary-bg: #eff6ff;
  --color-accent: #d97706;
  --color-accent-bg: #fef3c7;
  --color-success: #059669;
  --color-success-bg: #ecfdf5;
  --color-code-bg: #0f172a;
  --color-code-text: #f8fafc;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-width: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #090d16;
    --color-surface: #111827;
    --color-surface-subtle: #1f2937;
    --color-border: #283548;
    --color-border-hover: #374760;
    --color-text: #f8fafc;
    --color-text-muted: #cbd5e1;
    --color-text-subtle: #94a3b8;
    --color-primary: #3b82f6;
    --color-primary-hover: #60a5fa;
    --color-primary-bg: rgba(59, 130, 246, 0.12);
    --color-accent: #f59e0b;
    --color-accent-bg: rgba(245, 158, 11, 0.12);
    --color-success: #10b981;
    --color-success-bg: rgba(16, 185, 129, 0.12);
    --color-code-bg: #030712;
    --color-code-text: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
  }
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Header & Navigation */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: block;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

nav.main-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease-in-out;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text) !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
}

.nav-cta:hover {
  border-color: var(--color-border-hover);
  background-color: var(--color-border);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero-logo {
  width: 104px;
  height: 104px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin: 0 auto 1.5rem;
  display: block;
  border: 1px solid var(--color-border);
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 760px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-border-hover);
  background-color: var(--color-surface-subtle);
}

.trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  color: var(--color-text-subtle);
  font-size: 0.85rem;
}

.trust-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Sections */
section {
  padding: 3.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-label {
  text-transform: uppercase;
  font-size: 0.775rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* Workflow Flowchart */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  position: relative;
  margin-bottom: 2rem;
}

.workflow-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.workflow-step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-bg);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.workflow-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.workflow-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.55;
}

/* Status / Comparison Section */
.status-comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.status-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.status-card.implemented {
  border-top: 4px solid var(--color-success);
}

.status-card.planned {
  border-top: 4px solid var(--color-accent);
}

.status-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.status-badge.verified {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.status-badge.upcoming {
  background-color: var(--color-accent-bg);
  color: var(--color-accent);
}

.status-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.status-card p.card-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.status-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.status-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.status-list li strong {
  color: var(--color-text);
}

.status-list-icon {
  flex-shrink: 0;
  margin-top: 0.15rem;
  font-weight: 700;
}

.status-card.implemented .status-list-icon {
  color: var(--color-success);
}

.status-card.planned .status-list-icon {
  color: var(--color-accent);
}

/* Callout Box / Disclaimers */
.callout {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  font-size: 0.925rem;
}

.callout-title {
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.callout-warning {
  background-color: var(--color-accent-bg);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--color-text);
}

.callout-info {
  background-color: var(--color-primary-bg);
  border-color: rgba(59, 130, 246, 0.25);
  color: var(--color-text);
}

.callout-success {
  background-color: var(--color-success-bg);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--color-text);
}

/* Privacy Policy Layout */
.privacy-page {
  padding: 3rem 0 4rem;
}

.privacy-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.privacy-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.privacy-meta {
  color: var(--color-text-subtle);
  font-size: 0.9rem;
}

.privacy-content {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 860px) {
  .privacy-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.toc-sidebar {
  position: sticky;
  top: 5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-size: 0.875rem;
  box-shadow: var(--shadow-sm);
}

.toc-title {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-text-subtle);
  margin-bottom: 0.75rem;
}

.toc-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toc-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
  display: block;
  line-height: 1.4;
}

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

.policy-body {
  max-width: 760px;
}

.policy-body section {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.policy-body section:last-child {
  border-bottom: none;
}

.policy-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 0.85rem;
  color: var(--color-text);
  scroll-margin-top: 5.5rem;
}

.policy-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
  color: var(--color-text);
}

.policy-body p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1rem;
}

.policy-body ul, .policy-body ol {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  line-height: 1.65;
}

.policy-body li {
  margin-bottom: 0.4rem;
}

.policy-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.policy-table-wrapper {
  overflow-x: auto;
  margin: 1.25rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

table.policy-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

table.policy-table th {
  background-color: var(--color-surface-subtle);
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

table.policy-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  vertical-align: top;
}

table.policy-table tr:last-child td {
  border-bottom: none;
}

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  color: var(--color-text);
}

/* Footer */
footer.site-footer {
  margin-top: auto;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 2rem;
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

.footer-brand h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 440px;
}

.footer-col h5 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-subtle);
  margin-bottom: 0.85rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}

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

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--color-text-subtle);
  font-size: 0.8rem;
  line-height: 1.5;
}

.footer-disclaimer {
  max-width: 900px;
}

/* Responsive Tweaks */
@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .nav-wrapper {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  nav.main-nav {
    gap: 1rem;
  }
}