/* UnlistedShares.net - Optimized CSS */
/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;line-height:1.6;color:#1a1a1a;background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:#2563eb;text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.content-wrapper{max-width:800px;margin:0 auto}

/* Header */
header{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,0.1)}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;max-width:1200px;margin:0 auto}
.logo{font-size:1.5rem;font-weight:700;color:#1a1a1a;text-decoration:none}
.logo:hover{text-decoration:none}
nav ul{list-style:none;display:flex;gap:28px;align-items:center}
nav a{color:#4b5563;font-weight:500;font-size:0.95rem;transition:color 0.2s}
nav a:hover{color:#2563eb;text-decoration:none}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#4b5563}

/* Hero Section */
.hero{background:linear-gradient(135deg,#1e3a8a 0%,#3b82f6 100%);color:#fff;padding:80px 20px;text-align:center}
.hero h1{font-size:2.75rem;font-weight:800;margin-bottom:24px;line-height:1.2}
.hero p{font-size:1.25rem;margin-bottom:32px;opacity:0.95;max-width:700px;margin-left:auto;margin-right:auto}
.cta-btn{background:#fff;color:#1e3a8a;padding:14px 32px;border-radius:6px;font-weight:600;font-size:1.05rem;display:inline-block;transition:transform 0.2s,box-shadow 0.2s}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.2);text-decoration:none}

/* Content Sections */
.section{padding:60px 20px}
.section-alt{background:#f9fafb}
h1{font-size:2.5rem;font-weight:800;margin-bottom:24px;line-height:1.2;color:#1a1a1a}
h2{font-size:2rem;font-weight:700;margin:48px 0 20px;color:#1a1a1a}
h3{font-size:1.5rem;font-weight:600;margin:36px 0 16px;color:#1a1a1a}
h4{font-size:1.25rem;font-weight:600;margin:28px 0 12px;color:#1a1a1a}
p{margin-bottom:20px;color:#374151}
ul,ol{margin-bottom:20px;padding-left:24px;color:#374151}
li{margin-bottom:8px}
strong{color:#1a1a1a}

/* Tables */
table{width:100%;border-collapse:collapse;margin:24px 0;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.1)}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid #e5e7eb}
th{background:#f9fafb;font-weight:600;color:#1a1a1a}
tr:hover{background:#f9fafb}

/* Cards & Grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin:32px 0}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:24px;transition:box-shadow 0.3s,transform 0.3s}
.card:hover{box-shadow:0 4px 12px rgba(0,0,0,0.1);transform:translateY(-4px)}
.card h3{margin-top:0;color:#1e3a8a}
.card p{font-size:0.95rem;color:#6b7280}

/* Table of Contents */
.toc{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:24px;margin:32px 0}
.toc h3{margin-top:0;font-size:1.25rem}
.toc ul{list-style:none;padding-left:0}
.toc li{margin-bottom:8px}
.toc a{color:#2563eb;display:block;padding:4px 0}

/* Call-outs */
.callout{background:#eff6ff;border-left:4px solid #2563eb;padding:20px 24px;margin:24px 0;border-radius:4px}
.callout-warning{background:#fef3c7;border-left-color:#f59e0b}
.callout-success{background:#d1fae5;border-left-color:#10b981}

/* Email Signup */
.email-signup{background:#1e3a8a;color:#fff;padding:48px 32px;border-radius:8px;text-align:center;margin:48px 0}
.email-signup h3{color:#fff;margin-top:0}
.email-form{display:flex;gap:12px;max-width:500px;margin:24px auto 0;flex-wrap:wrap;justify-content:center}
.email-input{flex:1;min-width:250px;padding:12px 16px;border:none;border-radius:6px;font-size:1rem}
.email-btn{background:#f59e0b;color:#fff;padding:12px 28px;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:background 0.2s}
.email-btn:hover{background:#d97706}

/* Footer */
footer{background:#1f2937;color:#d1d5db;padding:48px 20px 24px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;max-width:1200px;margin:0 auto 32px}
.footer-col h4{color:#fff;margin:0 0 16px;font-size:1.1rem}
.footer-col ul{list-style:none;padding:0}
.footer-col li{margin-bottom:8px}
.footer-col a{color:#d1d5db;font-size:0.95rem}
.footer-col a:hover{color:#fff}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid #374151;color:#9ca3af;font-size:0.9rem}

/* Glossary */
.glossary-nav{background:#f9fafb;padding:16px;border-radius:8px;margin:24px 0;text-align:center}
.glossary-nav a{display:inline-block;padding:6px 10px;margin:0 4px;color:#2563eb;font-weight:600}
.glossary-term{margin:32px 0;padding-bottom:24px;border-bottom:1px solid #e5e7eb}
.glossary-term:last-child{border-bottom:none}
.glossary-term h3{margin-top:0;color:#1e3a8a}

/* Company Profile */
.company-header{background:#f9fafb;padding:32px;border-radius:8px;margin:24px 0}
.company-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:20px}
.meta-item{background:#fff;padding:16px;border-radius:6px;border:1px solid #e5e7eb}
.meta-label{font-size:0.85rem;color:#6b7280;margin-bottom:4px}
.meta-value{font-size:1.25rem;font-weight:700;color:#1e3a8a}

/* Breadcrumbs */
.breadcrumbs{padding:16px 0;font-size:0.9rem;color:#6b7280}
.breadcrumbs a{color:#6b7280}
.breadcrumbs a:hover{color:#2563eb}

/* Last Updated */
.last-updated{color:#6b7280;font-size:0.9rem;font-style:italic;margin:16px 0}

/* Responsive */
@media(max-width:768px){
  .hero h1{font-size:2rem}
  .hero p{font-size:1.1rem}
  h1{font-size:2rem}
  h2{font-size:1.75rem}
  h3{font-size:1.35rem}
  nav ul{display:none;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;border-top:1px solid #e5e7eb;padding:16px}
  nav ul.active{display:flex}
  .mobile-menu-btn{display:block}
  .email-form{flex-direction:column}
  .email-input{min-width:100%}
  table{font-size:0.9rem}
  th,td{padding:8px}
  .overflow-scroll{overflow-x:auto}
}

/* Performance */
.lazy{opacity:0;transition:opacity 0.3s}
.lazy.loaded{opacity:1}

/* Utility Classes */
.text-center{text-align:center}
.mt-0{margin-top:0}
.mb-0{margin-bottom:0}
.hidden{display:none}