/* Neato Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  --navy: #1a1a2e;
  --navy-light: #2a2a4a;
  --coral: #e8453c;
  --coral-hover: #d63a32;
  --white: #ffffff;
  --off-white: #f8f8fa;
  --gray-100: #f3f3f5;
  --gray-200: #e5e5ea;
  --gray-400: #9a9ab0;
  --gray-600: #6b6b80;
  --gray-800: #3a3a50;
  --text: #1a1a2e;
  --text-light: #6b6b80;
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1200px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; color: var(--text); line-height: 1.6; background: var(--white); -webkit-font-smoothing: antialiased; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--gray-200); }
.nav-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; height: 72px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-weight: 800; font-size: 1.5rem; color: var(--navy); text-decoration: none; letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--gray-600); font-size: 0.95rem; font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: var(--navy); }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 12px 24px; border-radius: 50px; font-weight: 600; font-size: 0.95rem; text-decoration: none; transition: all var(--transition); cursor: pointer; border: none; }
.btn-coral { background: var(--coral); color: var(--white); }
.btn-coral:hover { background: var(--coral-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(232,69,60,0.3); }
.btn-outline { background: transparent; color: var(--navy); border: 2px solid var(--gray-200); }
.btn-outline:hover { border-color: var(--navy); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-light); }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* Hero */
.hero { padding: 80px 24px 60px; text-align: center; }
.hero-navy { background: var(--navy); color: var(--white); }
.hero-navy .hero-subtitle { color: var(--gray-400); }
.hero-navy .breadcrumb a { color: var(--gray-400); }
.hero-white { background: var(--white); }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -1.5px; max-width: 800px; margin: 0 auto 20px; }
.hero-subtitle { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--text-light); max-width: 640px; margin: 0 auto 32px; line-height: 1.6; font-weight: 400; }
.breadcrumb { font-size: 0.85rem; color: var(--gray-400); margin-bottom: 16px; }
.breadcrumb a { color: var(--gray-600); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.badge { display: inline-block; padding: 6px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.badge-coral { background: rgba(232,69,60,0.1); color: var(--coral); }
.badge-navy { background: rgba(26,26,46,0.08); color: var(--navy); }

/* Sections */
.section { padding: 80px 24px; }
.section-gray { background: var(--off-white); }
.container { max-width: var(--max-width); margin: 0 auto; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 48px; }
.section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.section-header p { color: var(--text-light); font-size: 1.1rem; }

/* Cards */
.card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 32px; transition: all var(--transition); }
.card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.08); border-color: transparent; }
.card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.card p { color: var(--text-light); }
.card-grid { display: grid; gap: 24px; }
.card-grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card-grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card-grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Stats */
.stats-row { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; padding: 40px 0; }
.stat { text-align: center; }
.stat-value { font-size: 2.5rem; font-weight: 800; color: var(--coral); letter-spacing: -1px; }
.stat-label { font-size: 0.85rem; color: var(--gray-600); margin-top: 4px; }

/* Comparison Table */
.comparison-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.comparison-table th, .comparison-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--gray-200); }
.comparison-table thead th { background: var(--navy); color: var(--white); font-weight: 600; font-size: 0.9rem; }
.comparison-table thead th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.comparison-table thead th:last-child { border-radius: 0 var(--radius-sm) 0 0; }
.comparison-table tbody tr:hover { background: var(--off-white); }
.comparison-table .highlight-col { background: rgba(232,69,60,0.04); font-weight: 500; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--gray-200); }
.check { color: #22c55e; font-weight: 700; }
.cross { color: var(--gray-400); }
.partial { color: #f59e0b; }

/* Content blocks */
.content-block { max-width: 800px; margin: 0 auto; }
.content-block h2 { font-size: 1.8rem; font-weight: 800; letter-spacing: -0.5px; margin: 48px 0 16px; }
.content-block h3 { font-size: 1.3rem; font-weight: 700; margin: 32px 0 12px; }
.content-block p { color: var(--gray-800); margin-bottom: 16px; line-height: 1.8; }
.content-block ul, .content-block ol { margin: 0 0 16px 24px; color: var(--gray-800); }
.content-block li { margin-bottom: 8px; line-height: 1.7; }
.content-block blockquote { border-left: 4px solid var(--coral); padding: 16px 24px; background: var(--off-white); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 24px 0; font-style: italic; color: var(--gray-800); }

/* Definition box (for glossary) */
.definition-box { background: var(--off-white); border: 2px solid var(--gray-200); border-radius: var(--radius); padding: 32px; margin: 32px 0; }
.definition-box .term { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--coral); margin-bottom: 8px; }
.definition-box .definition { font-size: 1.15rem; line-height: 1.7; color: var(--text); }

/* Accelerator card (for listicle) */
.accel-card { border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 40px; margin-bottom: 32px; background: var(--white); transition: all var(--transition); }
.accel-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.06); }
.accel-card.featured { border: 2px solid var(--coral); position: relative; }
.accel-card.featured::before { content: 'Best for CPG Brands'; position: absolute; top: -12px; left: 32px; background: var(--coral); color: white; padding: 4px 16px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.accel-card h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 4px; }
.accel-card .tagline { color: var(--text-light); font-size: 1rem; margin-bottom: 20px; }
.accel-card .details { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.accel-card .detail-item { font-size: 0.9rem; }
.accel-card .detail-label { color: var(--gray-400); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 20px; }
.pros h4 { color: #22c55e; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.cons h4 { color: var(--coral); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.pros li, .cons li { font-size: 0.9rem; margin-bottom: 6px; color: var(--gray-800); }

/* CTA Section */
.cta-section { background: var(--navy); padding: 80px 24px; text-align: center; color: var(--white); }
.cta-section h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 16px; }
.cta-section p { color: var(--gray-400); font-size: 1.1rem; max-width: 560px; margin: 0 auto 32px; }

/* Footer */
.footer { background: var(--navy); color: var(--gray-400); padding: 60px 24px 32px; border-top: 1px solid rgba(255,255,255,0.08); }
.footer-grid { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { color: var(--white); }
.footer-brand p { margin-top: 12px; font-size: 0.9rem; line-height: 1.6; }
.footer h4 { color: var(--white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; margin-bottom: 16px; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 10px; }
.footer a { color: var(--gray-400); text-decoration: none; font-size: 0.9rem; transition: color var(--transition); }
.footer a:hover { color: var(--white); }
.footer-bottom { max-width: var(--max-width); margin: 0 auto; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 0.85rem; text-align: center; }

/* TOC */
.toc { background: var(--off-white); border-radius: var(--radius); padding: 24px 32px; margin: 32px 0; }
.toc h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--gray-400); margin-bottom: 12px; font-weight: 700; }
.toc ol { margin-left: 20px; }
.toc li { margin-bottom: 6px; }
.toc a { color: var(--navy); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.toc a:hover { color: var(--coral); }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 60px 20px 40px; }
  .section { padding: 60px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .pros-cons { grid-template-columns: 1fr; }
  .accel-card .details { grid-template-columns: 1fr; }
  .stats-row { gap: 24px; }
  .comparison-table { font-size: 0.85rem; }
  .comparison-table th, .comparison-table td { padding: 12px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .stats-row .stat { flex: 1 1 45%; }
}