:root{
  --ink:#1c2333; --muted:#5a6478; --line:#e4e8f0; --bg:#f7f8fb; --card:#ffffff;
  --accent:#2059c9; --accent-ink:#ffffff;
  --green:#15803d; --green-bg:#eaf7ef;
  --yellow:#9a6700; --yellow-bg:#fff6df;
  --red:#b42318; --red-bg:#fdecea;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;}
a{color:var(--accent);}
a:hover{text-decoration-thickness:2px;}
.wrap{max-width:960px;margin:0 auto;padding:20px 18px 64px;}
header.site{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 0 22px;}
.brand{font-weight:800;letter-spacing:.02em;color:var(--ink);text-decoration:none;font-size:20px;}
.brand span{color:var(--accent);}
nav{display:flex;flex-wrap:wrap;gap:16px;font-size:15px;}
nav a{color:var(--ink);text-decoration:none;font-weight:600;}
nav a:hover{color:var(--accent);}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 8px;}
h1{font-size:clamp(30px,5.5vw,46px);line-height:1.08;margin:0 0 14px;letter-spacing:-.02em;}
h2{font-size:clamp(22px,3vw,30px);line-height:1.2;margin:0 0 8px;letter-spacing:-.01em;}
h3{font-size:18px;margin:0 0 4px;}
.lede{font-size:20px;color:var(--muted);margin:0 0 20px;max-width:34em;}
.muted{color:var(--muted);}
.hero{padding:8px 0 12px;}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin:8px 0 18px;}
.btn{display:inline-block;border-radius:10px;padding:13px 22px;font-weight:700;text-decoration:none;font-size:16px;}
.btn.primary{background:var(--accent);color:#fff;}
.btn.primary:hover{filter:brightness(1.06);}
.btn.secondary{background:#fff;color:var(--ink);border:1.5px solid var(--line);}
.btn.secondary:hover{border-color:var(--accent);}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px 22px;margin:0 0 22px;}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:6px;}
.tile{border:1px solid var(--line);border-radius:12px;padding:18px 16px;background:#fff;display:flex;flex-direction:column;gap:8px;}
.tile .price{font-weight:800;color:var(--accent);font-size:15px;}
.tile p{margin:0;color:var(--muted);font-size:15px;flex:1;}
.tile a{font-weight:700;text-decoration:none;}
.tile .tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-radius:6px;padding:2px 8px;}
.tag.green{background:var(--green-bg);color:var(--green);}
.tag.yellow{background:var(--yellow-bg);color:var(--yellow);}
.tag.red{background:var(--red-bg);color:var(--red);}
.tag.blue{background:#eef3fd;color:var(--accent);}
.band{background:var(--ink);color:#fff;border-radius:14px;padding:28px 24px;margin:0 0 22px;}
.band h2{color:#fff;}
.band .muted{color:#c9d2e3;}
.band .btn.primary{background:#fff;color:var(--ink);}
.band .btn.secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
ol,ul{padding-left:22px;}
li{margin:6px 0;}
.disclaimer{font-size:14px;color:var(--muted);background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:12px 14px;margin:18px 0;}
footer{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;font-size:13px;color:var(--muted);}
footer a{color:var(--muted);}
footer .cols{display:flex;flex-wrap:wrap;gap:24px;margin-bottom:10px;}
footer .cols ul{list-style:none;padding:0;margin:0;}
footer .cols li{margin:4px 0;}
@media (prefers-reduced-motion:reduce){*{transition:none!important;}}


/* Guide & Article Additions */
.breadcrumb { font-size: 14px; color: var(--muted); margin: 0 0 16px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumb span { margin: 0 6px; }
article.guide-body { font-size: 17px; line-height: 1.7; color: var(--ink); }
article.guide-body h2 { margin-top: 36px; margin-bottom: 12px; font-size: 24px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
article.guide-body h3 { margin-top: 24px; margin-bottom: 8px; font-size: 19px; }
article.guide-body p { margin: 0 0 18px; }
article.guide-body blockquote { margin: 20px 0; padding: 14px 18px; background: var(--bg); border-left: 4px solid var(--accent); border-radius: 6px; font-style: italic; }
article.guide-body pre { background: #1e293b; color: #f8fafc; padding: 14px 16px; border-radius: 8px; overflow-x: auto; font-size: 14px; line-height: 1.5; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
article.guide-body code { background: #e2e8f0; color: #0f172a; padding: 2px 6px; border-radius: 4px; font-size: 14px; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
article.guide-body pre code { background: transparent; color: inherit; padding: 0; }
article.guide-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
article.guide-body th, article.guide-body td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
article.guide-body th { background: var(--bg); font-weight: 700; }
.tool-banner { background: #eef4ff; border: 1.5px solid #bfdbfe; border-radius: 12px; padding: 20px 22px; margin: 28px 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.tool-banner h4 { margin: 0 0 4px; font-size: 18px; color: #1e3a8a; }
.tool-banner p { margin: 0; font-size: 15px; color: #1e40af; }
.product-box { background: var(--card); border: 2px solid var(--line); border-radius: 14px; padding: 26px 24px; margin: 36px 0; }
.product-box h3 { margin-top: 0; font-size: 20px; }
.reading-meta { font-size: 14px; color: var(--muted); margin-bottom: 20px; }