/* ============ FAQ PAGE ============ */
.faq-hero{padding:54px 0 28px;text-align:center;border-bottom:1px solid var(--border)}
.faq-hero h1{font-family:var(--serif);font-size:clamp(2.2rem,4.5vw,3.2rem);font-weight:400;letter-spacing:-.035em;margin-bottom:14px}
.faq-hero h1 em{font-style:italic;color:var(--accent)}
.faq-hero .sub{max-width:560px;margin:0 auto 28px;color:var(--muted);font-size:1.05rem}

.faq-search{position:relative;max-width:520px;margin:0 auto 18px}
.faq-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted)}
.faq-search input{width:100%;font-family:var(--sans);font-size:1rem;color:var(--text);
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:14px 16px 14px 44px;outline:none;transition:border-color .15s,box-shadow .15s}
.faq-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}

.faq-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:760px;margin:0 auto}
.chip-f{border:1px solid var(--border);background:var(--surface);color:var(--muted);
  font-family:var(--sans);font-size:.85rem;font-weight:600;padding:8px 15px;border-radius:999px;
  cursor:pointer;transition:all .15s}
.chip-f:hover{border-color:var(--accent);color:var(--text)}
.chip-f.active{background:var(--accent);border-color:var(--accent);color:#fff}

.faq-none{color:var(--muted);font-size:.95rem;margin-top:22px}

.faq-body{padding:36px 24px 8px}
.faq-cluster{margin-bottom:40px}
.faq-cluster.hidden{display:none}
.cluster-h{font-size:1.35rem;font-weight:800;letter-spacing:-.01em;margin-bottom:18px;
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.cluster-meta{font-family:var(--mono);font-size:.72rem;font-weight:500;color:var(--muted);
  text-transform:uppercase;letter-spacing:.08em}

.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}

.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;
  overflow:hidden;transition:border-color .15s}
.faq-item.hidden{display:none}
.faq-item[open]{border-color:var(--accent)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 18px;display:flex;
  align-items:center;justify-content:space-between;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:.97rem;font-weight:600;line-height:1.4;letter-spacing:-.01em;margin:0}
.faq-item .chev{flex-shrink:0;width:18px;height:18px;position:relative;color:var(--muted);transition:transform .2s}
.faq-item .chev::before,.faq-item .chev::after{content:"";position:absolute;top:8px;width:10px;height:2px;
  background:currentColor;border-radius:2px}
.faq-item .chev::before{left:0;transform:rotate(45deg)}
.faq-item .chev::after{right:0;transform:rotate(-45deg)}
.faq-item[open] .chev{transform:rotate(180deg);color:var(--accent)}
.faq-a{padding:0 18px 18px;color:var(--muted);font-size:.92rem;line-height:1.6}

.faq-item.pending summary h3{color:var(--muted)}
.faq-item.pending .faq-a{font-style:italic;opacity:.85}

/* highlight matched text during search */
mark{background:var(--accent-soft);color:var(--text);border-radius:3px;padding:0 2px}

.faq-cta{border-top:1px solid var(--border);margin-top:20px}

@media(max-width:760px){
  .faq-grid{grid-template-columns:1fr}
  .faq-body{padding:28px 0 8px}
}

/* ============ GUIDE ARTICLES ============ */
.guide-hero{padding:50px 0 8px;border-bottom:1px solid var(--border)}
.guide-hero .wrap{max-width:760px}
.breadcrumb{font-family:var(--mono);font-size:.76rem;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 7px;opacity:.6}
.guide-hero h1{font-family:var(--serif);font-size:clamp(2.1rem,4.5vw,3rem);font-weight:400;letter-spacing:-.035em;line-height:1.08;margin-bottom:16px}
.guide-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.85rem;color:var(--muted);margin-bottom:24px}
.guide-meta b{color:var(--text);font-weight:600}

.tldr{background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);
  border-radius:14px;padding:20px 22px;margin:0 0 8px}
.tldr h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:8px}
.tldr p{color:var(--text);font-size:1.02rem;margin:0;font-weight:500;line-height:1.55}

.guide-body{max-width:760px;margin:0 auto;padding:8px 24px 20px}
.guide-body h2{font-family:var(--serif);font-size:1.7rem;font-weight:400;letter-spacing:-.025em;margin:38px 0 14px}
.guide-body h3{font-family:var(--serif);font-size:1.25rem;font-weight:500;margin:26px 0 8px}
.guide-body p{color:var(--muted);margin-bottom:16px;font-size:1.04rem;line-height:1.7}
.guide-body strong{color:var(--text);font-weight:600}
.guide-body a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.guide-body ul,.guide-body ol{color:var(--muted);margin:0 0 18px 0;padding-left:22px;line-height:1.7}
.guide-body li{margin-bottom:8px}

/* threshold table */
.ping-table{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:.95rem}
.ping-table th,.ping-table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border)}
.ping-table th{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.ping-table td:first-child{font-family:var(--mono);font-weight:600;color:var(--text);white-space:nowrap}
.ping-table .tag{display:inline-block;font-size:.78rem;font-weight:600;padding:2px 9px;border-radius:99px}
.t-exc{background:#dcfce7;color:#166534}.t-good{background:#dbeafe;color:#1e40af}
.t-ok{background:#fef9c3;color:#854d0e}.t-bad{background:#fee2e2;color:#991b1b}
html[data-theme="dark"] .t-exc{background:#14331f;color:#86efac}
html[data-theme="dark"] .t-good{background:#1e3a5f;color:#93c5fd}
html[data-theme="dark"] .t-ok{background:#3a3014;color:#fde047}
html[data-theme="dark"] .t-bad{background:#3a1414;color:#fca5a5}

.callout{border-left:3px solid var(--accent);background:var(--surface);padding:14px 18px;
  border-radius:0 10px 10px 0;margin:0 0 20px}
.callout p{margin:0;font-size:.97rem}

.guide-cta{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:26px;text-align:center;margin:32px 0}
.guide-cta h3{font-size:1.2rem;margin-bottom:8px}
.guide-cta p{margin-bottom:18px}

.related-q{margin-top:14px}
.related-q .faq-item{margin-bottom:10px}

.guide-nav{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 0}
.guide-nav a{flex:1;min-width:200px;border:1px solid var(--border);border-radius:12px;padding:14px 16px;
  background:var(--surface);transition:border-color .15s}
.guide-nav a:hover{border-color:var(--accent)}
.guide-nav .gl{font-size:.74rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:600}
.guide-nav .gt{font-weight:600;color:var(--text);font-size:.96rem}

/* ============ GUIDES INDEX ============ */
.guides-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.guide-card{display:block;background:var(--surface);border:1px solid var(--border);
  border-radius:16px;padding:24px;transition:border-color .15s,transform .15s;box-shadow:var(--shadow)}
.guide-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.guide-card .gc-read{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;
  letter-spacing:.08em;color:var(--muted);margin-bottom:10px}
.guide-card h2{font-family:var(--serif);font-size:1.3rem;font-weight:500;letter-spacing:-.02em;margin-bottom:10px;line-height:1.2}
.guide-card p{color:var(--muted);font-size:.94rem;line-height:1.6;margin-bottom:14px}
.guide-card .gc-go{color:var(--accent);font-weight:600;font-size:.9rem}
@media(max-width:760px){.guides-grid{grid-template-columns:1fr}}

/* ============ FREE TOOLS NETWORK (pool-spec) ============ */
.ft-wrap{max-width:1080px;padding:30px 24px 20px}
.ft-section{margin-bottom:44px}
.ft-section h2{font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--accent);margin:0 0 16px;padding-bottom:0;border:none}
.ft-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;align-items:stretch}
.ft-link{position:relative;display:block;background:var(--paper);border:1px solid var(--border);
  border-radius:10px;padding:18px 20px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.ft-link::before{content:'';position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .3s}
.ft-link:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 10px 28px rgba(15,23,42,.07)}
.ft-link:hover::before{transform:scaleX(1)}
.ft-url{display:block;font-family:var(--mono);font-size:15px;font-weight:500;letter-spacing:-.01em;
  color:var(--accent);margin-bottom:6px;word-break:break-word}
.ft-url::after{content:' ↗';font-size:12px;color:var(--accent)}
.ft-link:hover .ft-url{text-decoration:underline;text-underline-offset:2px}
.ft-desc{display:block;font-family:var(--sans);font-size:13.5px;color:var(--muted);line-height:1.5}
.ft-accent{color:var(--accent);font-style:italic}
.ft-count{font-family:var(--mono);color:var(--accent);font-weight:700;font-size:15px;margin-left:4px}
.ft-why{margin-top:30px;padding-top:22px;border-top:1px solid var(--border)}
.ft-why h2{font-family:var(--serif);font-size:1.3rem;font-weight:500;margin-bottom:8px}
.ft-foot{color:var(--muted);font-size:.9rem;line-height:1.6}
.ft-foot code{font-family:var(--mono);font-size:.85em;background:var(--surface);
  border:1px solid var(--border);border-radius:5px;padding:1px 6px}
@media(max-width:720px){.ft-list{grid-template-columns:1fr}}