/* Modern light theme for Section B */
:root {
  --primary: #4f46e5;
  --primary-light: #e0e7ff;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #f1f5f9;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --accent: #7c3aed;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'Inter',system-ui,sans-serif; background:var(--bg); color:var(--text); line-height:1.6; }
a { color:var(--primary); text-decoration:none; }
a:hover { color:var(--accent); text-decoration:underline; }
.site-header { background:var(--primary); color:#fff; }
.header-top { max-width:1100px; margin:0 auto; padding:1rem 2rem; display:flex; align-items:center; gap:1rem; }
.header-logo { font-size:1.5rem; font-weight:800; color:#fff; }
.header-logo span { color:#c7d2fe; }
.header-nav { background:rgba(0,0,0,.2); }
.header-nav-inner { max-width:1100px; margin:0 auto; padding:.5rem 2rem; display:flex; gap:1.5rem; flex-wrap:wrap; }
.header-nav a { color:#c7d2fe; font-size:.85rem; font-weight:500; }
.header-nav a:hover { color:#fff; text-decoration:none; }
.layout { max-width:1100px; margin:2rem auto; padding:0 2rem; display:grid; grid-template-columns:200px 1fr; gap:1.5rem; }
.layout.three-col { grid-template-columns:200px 1fr 180px; }
.sidebar { display:flex; flex-direction:column; gap:1rem; }
.sidebar-box { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.sidebar-box h3 { background:var(--primary); color:#fff; padding:.6rem 1rem; font-size:.85rem; font-weight:700; letter-spacing:.03em; }
.sidebar-box ul { list-style:none; padding:.75rem 1rem; }
.sidebar-box ul li { margin-bottom:.4rem; font-size:.875rem; }
.sidebar-box ul li a { color:var(--text); }
.sidebar-box ul li.active a, .sidebar-box ul li a:hover { color:var(--primary); }
.sidebar-box .sub { padding-left:1rem; font-size:.8rem; }
.sidebar-box .form-inner { padding:.75rem 1rem; font-size:.85rem; }
.sidebar-box .form-inner p { color:var(--text-muted); margin-bottom:.5rem; font-size:.8rem; }
.sidebar-box input[type=text], .sidebar-box input[type=email] { width:100%; padding:.4rem .6rem; border:1px solid var(--border); border-radius:6px; font-size:.85rem; margin-bottom:.4rem; }
.sidebar-box .radio-group { display:flex; align-items:center; gap:.4rem; font-size:.85rem; margin-bottom:.3rem; }
.sidebar-box button { width:100%; padding:.4rem; background:var(--primary); color:#fff; border:none; border-radius:6px; cursor:pointer; font-size:.85rem; margin-top:.4rem; }
.main-content { min-width:0; }
.page-title { font-size:1.5rem; font-weight:700; color:var(--text); margin-bottom:1rem; padding-bottom:.5rem; border-bottom:2px solid var(--primary); }
.card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:1.5rem; box-shadow:var(--shadow); margin-bottom:1.25rem; }
.card h2 { font-size:1.1rem; font-weight:700; margin-bottom:.5rem; color:var(--primary); }
.card p { color:var(--text-muted); font-size:.9rem; }
.script-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:1rem; }
.script-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:1.25rem; box-shadow:var(--shadow); }
.script-card h3 { font-size:1rem; font-weight:700; margin-bottom:.5rem; }
.script-card p { font-size:.85rem; color:var(--text-muted); margin-bottom:.75rem; }
.script-card .links { display:flex; gap:.5rem; flex-wrap:wrap; font-size:.8rem; }
.script-card .links a { color:var(--primary); border:1px solid var(--border); padding:.2rem .6rem; border-radius:999px; }
.script-card .links a:hover { background:var(--primary-light); text-decoration:none; }
.btn { display:inline-flex; align-items:center; gap:.4rem; padding:.6rem 1.25rem; border-radius:8px; font-weight:600; font-size:.875rem; cursor:pointer; border:none; transition:.2s; text-decoration:none; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--accent); color:#fff; text-decoration:none; }
.form-group { margin-bottom:1rem; }
.form-group label { display:block; margin-bottom:.3rem; font-weight:500; font-size:.875rem; }
.form-group input, .form-group textarea, .form-group select { width:100%; padding:.6rem .8rem; border:1px solid var(--border); border-radius:8px; font-size:.9rem; font-family:inherit; background:#fff; }
.form-group textarea { resize:vertical; min-height:100px; }
.faq-item { border-bottom:1px solid var(--border); padding:1rem 0; }
.faq-item h3 { font-size:.95rem; font-weight:700; color:var(--primary); margin-bottom:.4rem; }
.faq-item p { font-size:.875rem; color:var(--text-muted); }
.book-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1rem; }
.book-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:1rem; display:flex; gap:1rem; align-items:flex-start; box-shadow:var(--shadow); }
.book-card img { width:60px; height:80px; object-fit:cover; border-radius:4px; flex-shrink:0; }
.book-card h4 { font-size:.9rem; font-weight:700; margin-bottom:.25rem; }
.book-card .price { color:var(--accent); font-weight:700; font-size:.95rem; }
.book-card a.buy { display:inline-block; margin-top:.5rem; font-size:.8rem; }
.resource-list { list-style:none; }
.resource-list li { border-bottom:1px solid var(--border); padding:.75rem 0; display:flex; justify-content:space-between; align-items:center; }
.resource-list li a { font-weight:600; }
.resource-list li span { font-size:.8rem; color:var(--text-muted); }
.feature-list { list-style:none; }
.feature-list li { padding:.4rem 0; font-size:.9rem; }
.feature-list li::before { content:"✓ "; color:var(--primary); font-weight:700; }
.req-list { list-style:none; }
.req-list li { padding:.3rem 0; font-size:.875rem; color:var(--text-muted); }
.req-list li::before { content:"• "; color:var(--accent); }
.visitors { text-align:center; font-size:.85rem; color:var(--text-muted); padding:.5rem; }
.site-footer { background:var(--primary); color:#c7d2fe; padding:1.5rem 2rem; text-align:center; font-size:.8rem; margin-top:3rem; }
.site-footer a { color:#fff; }
.right-sidebar { display:flex; flex-direction:column; gap:1rem; }
.right-sidebar .also-visit { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:1rem; box-shadow:var(--shadow); }
.right-sidebar .also-visit h3 { font-size:.85rem; font-weight:700; margin-bottom:.5rem; color:var(--primary); }
.right-sidebar .also-visit a { display:block; font-size:.8rem; margin-bottom:.3rem; }
.terms-section { margin-bottom:1.5rem; }
.terms-section h3 { font-size:1rem; font-weight:700; color:var(--primary); margin-bottom:.5rem; border-bottom:1px solid var(--border); padding-bottom:.3rem; }
.terms-section p { font-size:.875rem; color:var(--text-muted); }
.link-banner { background:var(--primary-light); border:1px solid var(--primary); border-radius:var(--radius); padding:1rem; font-size:.875rem; margin-bottom:1rem; }
.link-banner code { background:var(--bg-card); padding:.15rem .4rem; border-radius:4px; font-size:.8rem; display:block; margin-top:.5rem; word-break:break-all; }
.chat-frame { width:100%; height:500px; border:1px solid var(--border); border-radius:var(--radius); }
@media(max-width:768px){ .layout, .layout.three-col { grid-template-columns:1fr; } .right-sidebar { order:-1; } }
/* Header inner / logo / nav */
.header-inner { max-width:1100px; margin:0 auto; padding:.75rem 2rem; display:flex; align-items:center; justify-content:space-between; gap:1.5rem; flex-wrap:wrap; }
.logo { font-size:1.5rem; font-weight:800; color:#fff; letter-spacing:-.02em; }
.logo span { color:#c7d2fe; }
.site-header nav { display:flex; gap:1rem; flex-wrap:wrap; align-items:center; }
.site-header nav a { color:#c7d2fe; font-size:.85rem; font-weight:500; }
.site-header nav a:hover, .site-header nav a.active { color:#fff; text-decoration:none; }
/* Appended styles */
.sidebar-title { background:var(--primary); color:#fff; padding:.6rem 1rem; font-size:.85rem; font-weight:700; letter-spacing:.03em; }
.page-subtitle { color:var(--text-muted); margin-bottom:2rem; font-size:.95rem; }
.btn-small { display:inline-block; padding:.3rem .85rem; background:var(--primary); color:#fff; border-radius:999px; font-size:.8rem; font-weight:600; text-decoration:none; margin-right:.3rem; }
.btn-small:hover { background:var(--accent); text-decoration:none; }
.btn-secondary { background:var(--bg-sidebar); color:var(--text); border:1px solid var(--border); }
.btn-secondary:hover { background:var(--border); text-decoration:none; }
.resource-item { border-bottom:1px solid var(--border); padding:1rem 0; }
.resource-item h3 { font-size:1rem; font-weight:700; color:var(--primary); margin-bottom:.35rem; }
.resource-item p { font-size:.875rem; color:var(--text-muted); }
.book-info { flex:1; min-width:0; }
.book-price { display:flex; align-items:center; justify-content:space-between; margin-top:.5rem; font-size:.875rem; }
.radio-group { display:flex; align-items:center; gap:.4rem; font-size:.85rem; margin-bottom:.3rem; }