/* ============================================
   HomeBot Future — Modern Minimalist Stylesheet
   Generated: 2026 | Pure CSS, no frameworks
   ============================================ */

/* ---- CSS Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---- CSS Variables (Light Mode Default) ---- */
:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #dbeafe;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --shadow-sm: 0 1px 2px 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(0,0,0,0.05);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --content-width: 760px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
  --transition: 0.2s ease;
}

/* ---- Dark Mode ---- */
[data-theme="dark"] {
  --bg: #0f172a;
  --bg-alt: #1e293b;
  --bg-card: #1e293b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --border: #334155;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-light: #1e3a5f;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -2px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -4px rgba(0,0,0,0.4);
}

/* ---- Base Typography ---- */
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 17px;
  transition: background var(--transition), color var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); margin: 2.5rem 0 1rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); margin: 2rem 0 0.75rem; }
h4 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }

p { margin-bottom: 1.2rem; }

a { color: var(--accent); transition: color var(--transition); }
a:hover { color: var(--accent-hover); text-decoration: underline; }

strong { font-weight: 700; color: var(--text); }

/* ---- Layout Containers ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.content-width {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ---- Header / Navigation ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition);
}

[data-theme="dark"] .site-header {
  background: rgba(15,23,42,0.85);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--text);
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  border-radius: 8px;
  color: white;
  font-size: 1.1rem;
}

.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  transition: all var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }
[data-theme="dark"] .theme-toggle .sun { display: block; }
[data-theme="dark"] .theme-toggle .moon { display: none; }

.mobile-menu-btn {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  align-items: center;
  justify-content: center;
}

/* ---- Mobile Nav ---- */
@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem 1.25rem;
    gap: 0.5rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a {
    width: 100%;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
  .mobile-menu-btn { display: flex; }
}

/* ---- Hero Section ---- */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto 1.25rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.btn-amazon {
  background: #ff9900;
  color: #0f172a;
  font-weight: 700;
}

.btn-amazon:hover {
  background: #e88b00;
  color: #0f172a;
  text-decoration: none;
  transform: translateY(-1px);
}

/* ---- Article Body ---- */
.article-body {
  padding: 2rem 0 4rem;
}

.article-body h2 { border-bottom: 2px solid var(--border); padding-bottom: 0.5rem; }

.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article-body ul li { list-style: disc; margin-bottom: 0.5rem; }
.article-body ol li { list-style: decimal; margin-bottom: 0.5rem; }

.article-body blockquote {
  border-left: 4px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--bg-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-muted);
}

.article-body code {
  font-family: var(--font-mono);
  background: var(--bg-alt);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-body pre {
  background: var(--bg-alt);
  padding: 1rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: none;
  padding: 0;
}

/* ---- Breadcrumbs ---- */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 1.5rem 0;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  padding: 0 1.25rem;
  max-width: var(--max-width);
  box-sizing: border-box;
}

.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs .sep { color: var(--text-light); }

/* ---- Article Meta ---- */
.article-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.article-meta span { display: flex; align-items: center; gap: 0.35rem; }

/* ---- Affiliate Disclosure ---- */
.affiliate-disclosure {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--warning);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 1.5rem 0 2rem;
}

/* ---- Product Cards ---- */
.product-card {
  display: flex;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

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

.product-image {
  flex-shrink: 0;
  width: 140px;
  height: 140px;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.product-info { flex: 1; }

.product-info h3 { margin-top: 0; font-size: 1.15rem; }

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.5rem 0;
}

.stars { color: #ffa41c; letter-spacing: 1px; }

.product-features {
  margin: 0.75rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.product-features li { list-style: none; position: relative; padding-left: 1.25rem; }
.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.product-cta { margin-top: 0.75rem; }

@media (max-width: 560px) {
  .product-card { flex-direction: column; }
  .product-image { width: 100%; height: 180px; }
}

/* ---- Comparison Table ---- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comparison-table th {
  background: var(--bg-alt);
  padding: 1rem;
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid var(--border);
}

.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

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

.comparison-table tr:hover td { background: var(--bg-alt); }

/* ---- Card Grid ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--accent);
}

.card h3 { margin-top: 0; font-size: 1.15rem; }
.card p { color: var(--text-muted); font-size: 0.95rem; flex: 1; }
.card-link {
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ---- FAQ Section ---- */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform var(--transition);
}

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

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

.faq-answer {
  margin-top: 1rem;
  color: var(--text-muted);
}

/* ---- Section Headings ---- */
.section { padding: 3rem 0; }

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header h2 { margin-bottom: 0.75rem; }

.section-header p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---- Stats / Features ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ---- Callout Boxes ---- */
.callout {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.callout-info {
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  color: var(--text);
}

.callout-warning {
  background: #fef3c7;
  border-left: 4px solid var(--warning);
  color: #78350f;
}

[data-theme="dark"] .callout-warning {
  background: rgba(245,158,11,0.1);
  color: #fcd34d;
}

.callout-success {
  background: #dcfce7;
  border-left: 4px solid var(--success);
  color: #166534;
}

[data-theme="dark"] .callout-success {
  background: rgba(22,163,74,0.1);
  color: #86efac;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col ul li { margin-bottom: 0.5rem; }

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ---- Ad Placeholder ---- */
.ad-slot {
  background: var(--bg-alt);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  color: var(--text-light);
  font-size: 0.8rem;
  margin: 2rem 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Table of Contents ---- */
.toc {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2rem;
}

.toc h2 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.toc ol { margin: 0 0 0 1.25rem; }
.toc ol li { margin-bottom: 0.35rem; font-size: 0.9rem; }
.toc a { color: var(--text-muted); }
.toc a:hover { color: var(--accent); }

/* ---- Tag / Badge ---- */
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.tag-new { background: #dcfce7; color: #166534; }
.tag-updated { background: #dbeafe; color: #1e40af; }

/* ---- Related Articles ---- */
.related-articles { margin: 3rem 0; }

.related-articles h2 { margin-bottom: 1.5rem; }

/* ---- Print Styles ---- */
@media print {
  .site-header, .site-footer, .ad-slot, .toc, .breadcrumbs, .theme-toggle, .mobile-menu-btn { display: none; }
  body { font-size: 12pt; color: black; }
}

/* ---- Accessibility ---- */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}