@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600;6..72,700&display=swap");
:root{
  --ink:#0a0f0c;--muted:#5a6b64;--paper:#f4f5f1;--surface:#fff;--surface-2:#ebede8;
  --line:#d4ddd6;--line-soft:#e6ebe4;
  --accent:#0d6b53;--accent-dark:#063d30;--accent-light:#1a9a76;--accent-soft:#dceee7;--accent-glow:rgba(13,107,83,.10);
  --warm:#c58b48;--warm-light:#d9a560;--warm-soft:#f5e9d6;
  --danger:#b54545;--danger-soft:#f5e0e0;
  --dark:#0a0f0c;--dark-2:#101a14;
  --sans:"DM Sans",system-ui,sans-serif;--serif:"Newsreader",Georgia,serif;--mono:"DM Mono",monospace;
  --shadow-sm:0 1px 2px rgba(10,15,12,.03),0 2px 8px rgba(10,15,12,.03);
  --shadow:0 1px 2px rgba(10,15,12,.04),0 12px 32px rgba(10,15,12,.06);
  --shadow-md:0 2px 6px rgba(10,15,12,.05),0 8px 24px rgba(10,15,12,.08);
  --shadow-lg:0 1px 3px rgba(10,15,12,.04),0 20px 56px rgba(10,15,12,.08);
  --radius:20px;--radius-sm:12px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
section[id],.answer-page{scroll-margin-top:80px}
a{color:inherit}.small{font-size:13px}

/* reveal-on-scroll: elements start slightly below and fade in */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
[data-reveal].revealed{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

/* ---------- topbar ---------- */
.topbar{position:sticky;top:0;z-index:50;height:60px;padding:0 max(24px,calc((100vw - 1140px)/2));display:flex;align-items:center;gap:24px;background:rgba(244,245,241,.72);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.topbar.scrolled{border-bottom-color:var(--line-soft);background:rgba(244,245,241,.84)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;transition:opacity .15s}
.brand:hover{opacity:.85}
.logo{width:29px;height:29px;border-radius:8px;box-shadow:0 1px 3px rgba(10,15,12,.12)}
.wordmark{font-weight:700;font-size:16px;letter-spacing:-.025em;color:var(--ink)}
.topnav{display:flex;gap:22px;margin-left:auto}
.topnav a{font-size:14px;color:var(--muted);text-decoration:none;transition:color .15s;font-weight:500}
.topnav a:hover{color:var(--accent)}
.cta,.askbtn{border:0;background:linear-gradient(180deg,var(--accent-light),var(--accent));color:#fff;text-decoration:none;font:600 13.5px var(--sans);padding:8px 16px;border-radius:9px;box-shadow:0 1px 2px rgba(6,61,48,.15),0 3px 10px rgba(13,107,83,.18);cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1)}
.cta:hover,.askbtn:hover{background:linear-gradient(180deg,var(--accent),var(--accent-dark));transform:translateY(-1px);box-shadow:0 2px 5px rgba(6,61,48,.2),0 6px 16px rgba(13,107,83,.25)}
.cta:active,.askbtn:active{transform:translateY(0)}

/* ---------- hero ---------- */
.hero{max-width:1080px;margin:0 auto;padding:80px 24px 28px;position:relative;z-index:1}
.hero.narrow{max-width:820px;padding:60px 24px 16px}
.hero-copy{max-width:820px;animation:slideUp .7s cubic-bezier(.2,.7,.2,1)}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.eyebrow,.section-kicker{font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;padding:5px 12px;border:1px solid var(--accent);background:var(--accent-soft);border-radius:999px;font-size:10px}
.status-dot{width:5px;height:5px;border-radius:50%;background:var(--warm);animation:pulse 2s ease-in-out infinite;box-shadow:0 0 6px var(--warm)}
@keyframes pulse{0%,100%{opacity:.6;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}
h1,h2,h3,p{margin-top:0}
.hero h1{max-width:760px;margin:0 0 18px;font:600 clamp(38px,5.6vw,66px)/1.08 var(--serif);letter-spacing:-.03em;color:var(--ink);overflow:visible}
.hero h1 .accent-word{font-style:italic;background:linear-gradient(120deg,var(--accent),var(--accent-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;display:inline-block;padding:.05em .02em .12em;line-height:1.15}
.sub{max-width:580px;margin-bottom:32px;color:var(--muted);font-size:17.5px;line-height:1.6}

.askbox{max-width:920px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);animation:slideUp .7s .1s cubic-bezier(.2,.7,.2,1) both;position:relative;overflow:hidden}
.askbox:before{content:"";position:absolute;top:0;left:0;right:0;height:56px;background:linear-gradient(180deg,rgba(13,107,83,.05),transparent);pointer-events:none}
.ask-form label{display:block;margin-bottom:9px;font-size:13px;font-weight:600;color:var(--ink);position:relative}
.input-row{display:flex;gap:10px;align-items:stretch}
.ask-form textarea{flex:1;min-height:56px;resize:vertical;border:1px solid #c5d1c8;border-radius:10px;padding:13px 15px;font:16px/1.5 var(--sans);color:var(--ink);background:#fbfcfb;transition:border-color .15s,box-shadow .15s;position:relative}
.ask-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.askbtn{min-width:96px;white-space:nowrap;border-radius:10px;display:flex;align-items:center;justify-content:center;gap:4px}
.askbtn:disabled{background:#8ca9a0;cursor:wait;transform:none;box-shadow:none}
.askbtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.suggestions{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:12px}
.suggestions span{font:10px var(--mono);text-transform:uppercase;color:var(--muted);margin-right:2px;letter-spacing:.08em}
.chip{border:1px solid var(--line);background:var(--surface);color:var(--ink);font:13px var(--sans);padding:6px 12px;border-radius:999px;cursor:pointer;transition:all .18s;font-weight:500}
.chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-1px);box-shadow:0 2px 8px var(--accent-glow)}
.legal{margin:12px 0 0;color:var(--muted);font-size:12px;position:relative}
.turnstile-row{margin-top:12px;min-height:65px;display:flex;justify-content:center}
.trust-row{display:flex;gap:22px;margin-top:18px;color:var(--muted);font:10px var(--mono);text-transform:uppercase;letter-spacing:.08em}
.trust-row span:before{content:"\2713";color:var(--accent);margin-right:5px;font-weight:700}

/* ---------- inline answer region ---------- */
.answer-region{max-width:920px;margin:0 auto;padding:0 24px 28px;position:relative;z-index:1}
.answer-region.hidden{display:none}
.answer-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;box-shadow:var(--shadow-lg);animation:fadeIn .4s cubic-bezier(.2,.7,.2,1);position:relative;overflow:hidden}
.answer-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent-light) 50%,var(--warm));opacity:.75}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.answer-card .a-label{font:500 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:6px;display:flex;align-items:center;gap:7px}
.answer-card .a-label:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 6px var(--accent)}
.answer-card .a-question{font:600 24px/1.18 var(--serif);letter-spacing:-.025em;color:var(--accent-dark);margin:0 0 18px}
.a-body{font-size:16px;line-height:1.7;color:var(--ink);max-width:760px}
.a-body p{margin:0 0 13px}
.a-body p.first-para{font-family:var(--serif);font-size:1.1rem;font-weight:500;line-height:1.5;color:var(--ink);border-left:2px solid var(--accent);padding-left:14px;margin-bottom:16px}
.a-body p:last-child{margin-bottom:0}
.a-body strong{font-weight:600}
.a-body code{font:13px var(--mono);background:var(--surface-2);padding:2px 5px;border-radius:4px}
.a-body ul{margin:0 0 13px;padding-left:18px}
.a-body li{margin-bottom:4px}
.a-body .md-table-wrap{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
.a-body table{border-collapse:collapse;width:100%;font-size:13.5px;line-height:1.45}
.a-body th{font:600 11px var(--mono);text-transform:uppercase;letter-spacing:.05em;color:var(--muted);text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.a-body td{padding:9px 12px;border-bottom:1px solid var(--line-soft);color:var(--ink)}
.a-body tr:last-child td{border-bottom:0}
.a-body tbody tr:nth-child(even){background:rgba(10,15,12,.015)}
.a-body blockquote{margin:16px 0;padding:12px 16px 12px 18px;background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:8px;color:var(--accent-dark);font-family:var(--serif);font-size:1.05rem;line-height:1.5}
.a-body blockquote p{margin:0 0 6px}
.a-body blockquote p:last-child{margin:0}
.a-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:18px 0}
.a-body a:not(.cite-link){color:var(--accent);text-decoration:none;border-bottom:1px solid #9cc8ba}
.a-body a:not(.cite-link):hover{color:var(--accent-dark);border-bottom-color:var(--accent-dark)}

/* citation markers: small descriptive source pills (not bare numbers) */
.a-body .cite-link{display:inline-flex;align-items:center;justify-content:center;font:600 9.5px var(--mono);color:#fff;background:var(--accent);text-decoration:none;vertical-align:super;cursor:pointer;min-width:20px;height:16px;padding:0 5px;border-radius:7px;transition:all .18s cubic-bezier(.4,0,.2,1);line-height:1;text-align:center;border:0;box-shadow:0 1px 3px rgba(13,107,83,.35);letter-spacing:.02em}
.a-body .cite-link:hover{background:var(--accent-light);transform:scale(1.12);box-shadow:0 2px 8px var(--accent-glow)}
.cite-sep{display:inline-block;width:2px;height:16px;vertical-align:super;margin:0 1px;opacity:.0}

/* search terms display during loading */
.search-terms{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.search-term{font:11px var(--mono);background:var(--accent-soft);color:var(--accent-dark);padding:4px 9px;border-radius:6px;border:1px solid #b8d4c9;letter-spacing:.02em}

/* thinking state */
.thinking{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:14px;padding:6px 0}
.thinking .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 1.3s ease-in-out infinite;box-shadow:0 0 6px var(--accent)}
.thinking strong{color:var(--ink);font-weight:600}

/* citation popover */
.cite-popover{position:absolute;z-index:200;max-width:360px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:0 4px 12px rgba(10,15,12,.08),0 16px 40px rgba(10,15,12,.14);padding:14px 16px;font:14px/1.5 var(--sans);color:var(--ink);display:none;transition:opacity .15s}
.cite-popover.show{display:block;opacity:1}
.cite-popover .cp-title{font-weight:600;font-size:13.5px;margin-bottom:3px;color:var(--accent-dark);line-height:1.4}
.cite-popover .cp-source{font:11px var(--mono);color:var(--muted);margin-bottom:7px}
.cite-popover .cp-excerpt{font-size:13px;color:var(--muted);line-height:1.5}
.cite-popover .cp-doi{margin-top:9px}
.cite-popover .cp-doi a{font:11px var(--mono);color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent);font-weight:500}
.cite-popover .cp-doi a:hover{color:var(--accent-dark)}

/* inline chart */
.a-body .chart-frame{display:block;width:100%;height:360px;margin:18px 0;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}

/* streaming cursor */
.stream-cursor{display:inline-block;width:8px;height:18px;background:var(--accent);margin-left:2px;vertical-align:text-bottom;animation:blink 1s steps(2) infinite;border-radius:1px}
@keyframes blink{0%{opacity:1}50%{opacity:0}}

/* confidence badge */
.conf-badge{display:inline-block;margin:12px 0 0;padding:4px 10px;border-radius:6px;color:#fff;font:600 11px var(--mono);text-transform:uppercase;letter-spacing:.06em}

/* follow-up questions */
.followups{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.fu-label{font:500 10px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.fu-chip{border:1px solid var(--line);background:var(--surface);color:var(--ink);font:14px var(--sans);padding:8px 14px;border-radius:999px;cursor:pointer;transition:all .18s;font-weight:500;margin:0 6px 6px 0;display:inline-block}
.fu-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.fu-chip:after{content:" \2197";color:var(--muted);font-size:12px}

/* share / copy buttons */
.a-share{display:flex;flex-direction:column;gap:12px;margin-top:22px;padding:18px 20px 16px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,var(--surface-2),var(--surface))}
.a-share-head{display:flex;flex-direction:column;gap:2px}
.a-share-head span{font:600 14px var(--sans);color:var(--ink)}
.a-share-head small{font:400 12.5px var(--sans);color:var(--muted);line-height:1.5}
.a-share-private{border-color:var(--line-soft);background:var(--surface)}
.a-share-note{font:400 13px var(--sans);color:var(--muted);line-height:1.55;margin:0}
.share-url-row{display:flex;gap:8px;align-items:center}
.share-url-row input{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);font:400 13px var(--mono);padding:8px 12px;border-radius:8px}
.share-row{display:flex;flex-wrap:wrap;gap:8px}
.share-btn,.copy-btn{display:inline-flex;align-items:center;gap:6px;text-decoration:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:500 13px var(--sans);padding:8px 16px;border-radius:8px;cursor:pointer;transition:all .16s}
.share-btn:hover,.copy-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}
.share-btn:focus-visible,.copy-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.share-btn{margin:0}

/* keyboard shortcut hint */
.kbd-hint{font:400 11px var(--mono);color:var(--muted);margin-left:8px;opacity:.7}

/* evidence consulted */
.a-share-slot{display:block}
.a-share-slot .a-share{margin-top:22px}
.a-citations{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.a-citations h4{margin:0 0 12px;font:600 20px var(--serif);letter-spacing:-.02em;color:var(--ink);display:flex;align-items:baseline;gap:10px}
.a-citations .cite-count{font:400 11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.cite-card{display:grid;grid-template-columns:24px 1fr;gap:0 10px;padding:12px 0;border-top:1px solid var(--line-soft)}
.cite-card:first-of-type{border-top:0}
.cite-card .cite-num{grid-row:span 2;font:600 12px var(--mono);color:var(--warm);padding-top:2px;text-align:center}
.cite-card a{font-size:13.5px;font-weight:600;color:var(--accent-dark);text-decoration:none;transition:color .15s;line-height:1.4}
.cite-card a:hover{color:var(--accent)}
.cite-card small{display:block;grid-column:2;color:var(--muted);font-size:11.5px;margin-top:3px;font-family:var(--mono)}
.cite-card .excerpt{display:block;grid-column:2;color:var(--muted);font-size:13px;line-height:1.5;margin-top:5px}
/* expandable sources: first three visible, the rest collapse behind a toggle */
.cite-card.cite-hidden{display:none}
.cite-toggle{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:7px 14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--accent);font:500 12.5px var(--sans);cursor:pointer;transition:all .16s}
.cite-toggle:hover{border-color:var(--accent);background:var(--accent-soft)}
.cite-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* DataTables light styling */
.dt-tools{display:flex;align-items:center;justify-content:flex-end;padding:6px 10px;border-bottom:1px solid var(--line-soft);background:var(--surface-2);border-radius:var(--radius-sm) var(--radius-sm) 0 0}
.dt-tools .dataTables_info{font-size:11px;color:var(--muted);font-family:var(--mono)}

.muted,.rejected{color:var(--muted)}

/* ---------- editorial sections ---------- */
.editorial-section{max-width:1080px;margin:0 auto;padding:92px 24px;border-top:1px solid var(--line-soft);position:relative;z-index:1}
.narrow-section{max-width:820px}
.split-section{display:grid;grid-template-columns:1.4fr 1fr;gap:72px;align-items:start}
.section-heading{max-width:560px}
.section-heading h2,.split-section h2,.callout h2{max-width:560px;margin:6px 0 14px;font:600 clamp(28px,4vw,46px)/1.08 var(--serif);letter-spacing:-.028em}
.section-copy{color:var(--muted);font-size:16px;line-height:1.65}
.section-copy{margin-bottom:13px}
.section-copy a{color:var(--accent);text-decoration:none;border-bottom:1px solid #9cc8ba}
.section-copy a:hover{color:var(--accent-dark)}
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:32px}
.method-grid article{min-height:170px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);transition:all .25s cubic-bezier(.4,0,.2,1);cursor:default;position:relative;overflow:hidden}
.method-grid article:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity .25s}
.method-grid article:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#b8d4c9}
.method-grid article:hover:before{opacity:1}
.method-grid article:hover span{color:var(--accent)}
.method-grid span{font:11px var(--mono);color:var(--warm);transition:color .25s}
.method-grid h3{margin:36px 0 5px;font:600 21px var(--serif);letter-spacing:-.02em}
.method-grid p{color:var(--muted);font-size:14px;line-height:1.55}
.method-grid p a{color:var(--accent);text-decoration:none}
.callout{max-width:1080px;margin-bottom:28px;background:linear-gradient(135deg,#063d30 0%,#0a5a45 55%,#0d6b53 100%);color:#f0f6f3;border-radius:var(--radius);border:0;position:relative;overflow:hidden}
.callout:after{content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(197,139,72,.12),transparent 70%);pointer-events:none}
.callout .section-kicker{color:#9ccab8}
.callout>p{max-width:540px;color:#bccdc4;font-size:16px;line-height:1.6}
.text-link{display:inline-block;margin-top:12px;color:#fff;font-weight:600;text-decoration:none;font-size:14px;transition:color .15s}
.text-link:hover{color:#9ccab8}
.text-link span{transition:transform .15s;display:inline-block}
.text-link:hover span{transform:translateX(3px)}

/* recent public answers grid (internal linking / SEO surface) */
.recent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:34px}
.recent-card{display:flex;flex-direction:column;gap:8px;padding:22px 22px 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-decoration:none;transition:all .18s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.recent-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--warm));opacity:0;transition:opacity .18s}
.recent-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.recent-card:hover:before{opacity:1}
.recent-card h3{margin:0;font:600 17px/1.35 var(--serif);color:var(--accent-dark);letter-spacing:-.01em}
.recent-card p{margin:0;font:400 13.5px/1.6 var(--sans);color:var(--muted)}
.recent-link{margin-top:8px;font:600 13px var(--sans);color:var(--accent)}
.recent-link span{transition:transform .15s;display:inline-block}
.recent-card:hover .recent-link span{transform:translateX(3px)}

.foot{max-width:1080px;margin:0 auto;padding:28px 24px 40px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px;position:relative;z-index:1}
.foot p{margin:0}
.foot-nav,.foot .foot-main{display:flex;gap:18px}
.foot-links{display:flex;gap:18px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--accent)}
.foot-copy{opacity:.5}

/* hero background: subtle layered grid + glow */
.hero-dark-bg{position:absolute;top:0;left:0;right:0;height:560px;z-index:0;pointer-events:none;overflow:hidden}
.hero-dark-bg:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse 85% 65% at 50% 0%,rgba(13,107,83,.07),transparent 60%)}
.hero-dark-bg:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 75% 55% at 50% 0%,#000,transparent 60%);-webkit-mask-image:radial-gradient(ellipse 75% 55% at 50% 0%,#000,transparent 60%);opacity:.4}

/* public question share page */
.answer-page{max-width:920px;margin:0 auto;padding:64px 24px 20px;position:relative;z-index:1}
.answer-page .question-hero{padding:14px 0 26px;border-bottom:1px solid var(--line)}
.answer-page .question-hero h1{font:600 clamp(30px,5vw,42px)/1.2 var(--serif);letter-spacing:-.03em;color:var(--ink);margin:14px 0 12px}
.q-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font:400 13px var(--sans)}
.q-meta .dot-sep{opacity:.5}
.answer-body{margin:26px 0 8px;font:400 16.5px/1.72 var(--sans);color:var(--ink)}
.answer-body p{margin:0 0 16px}
.answer-body h3,.answer-body h4{margin:26px 0 10px;color:var(--accent-dark)}
.answer-body ul,.answer-body ol{margin:0 0 16px;padding-left:22px}
.answer-body li{margin-bottom:6px}
.answer-body blockquote{margin:20px 0;padding:14px 18px;background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:8px;color:var(--accent-dark);font-family:var(--serif);font-size:1.1rem;line-height:1.5}
.answer-page .chart-wrap{margin:22px 0}
.answer-page .chart{height:380px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.citations{margin:36px 0 0}
.citations h2{font:600 20px var(--serif);color:var(--ink);margin-bottom:16px;display:flex;align-items:baseline;gap:10px}
.citations .cite-count{font:400 11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.cite-list li.cite-hidden-row{display:none}
.cite-toggle{margin-top:14px}
.cite-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.cite-list li{border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;background:var(--surface);transition:border-color .15s}
.cite-list li:hover{border-color:var(--accent)}
.cite-link-external{text-decoration:none;display:flex;flex-direction:column;gap:3px}
.cite-link-external strong{color:var(--accent-dark);font-weight:600;font-size:14.5px;line-height:1.4}
.cite-link-external strong:hover{color:var(--accent)}
.cite-link-external .cite-src{color:var(--muted);font:400 12.5px var(--mono)}
.cite-excerpt{color:var(--muted);font-size:13px;line-height:1.6;margin:8px 0 0}
.share-cta{margin:44px 0 12px;padding:26px 28px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,var(--surface-2),var(--surface));text-align:center}
.share-cta h3{margin:0 0 6px;color:var(--ink);font:600 20px var(--serif)}
.share-cta p{margin:0 0 18px;color:var(--muted);font-size:14.5px;line-height:1.6}
.share-cta .share-row{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}
.share-cta .share-btn,.share-cta .copy-btn{font-weight:600}
.answer-page .eyebrow{margin-top:0}

@media(max-width:760px){
  .topbar{height:54px;padding:0 16px}
  .topnav{display:none}
  .cta{margin-left:auto;padding:7px 12px}
  .hero{padding:48px 18px 18px;max-width:100%}
  .hero h1{font-size:clamp(30px,10vw,48px);line-height:1.08}
  .sub{font-size:16px}
  .askbox{padding:16px;max-width:100%}
  .input-row{display:block}
  .ask-form textarea{width:100%;display:block}
  .askbtn{width:100%;height:44px;margin-top:8px}
  .kbd-hint{display:none}
  .suggestions{justify-content:flex-start;align-items:center;gap:6px}
  .suggestions span{flex-basis:100%;margin-bottom:2px}
  .chip{white-space:normal;text-align:left;line-height:1.35;min-height:32px;display:inline-flex;align-items:center}
  .trust-row{display:grid;gap:5px;font-size:9px}
  .answer-region{padding:0 18px 22px}
  .answer-card{padding:20px 18px}
  .answer-card .a-question{font-size:21px}
  .a-body{font-size:15px}
  .a-body .chart-frame{height:260px}
  .cite-popover{max-width:240px}
  .editorial-section{padding:60px 18px}
  .narrow-section{max-width:none}
  .split-section{display:block;gap:0}
  .section-copy{padding-top:0;font-size:15px}
  .method-grid{grid-template-columns:1fr 1fr}
  .method-grid article{min-height:150px;padding:16px}
  .method-grid h3{margin-top:26px}
  .callout{margin:0 18px 22px}
  .foot{display:block;padding:20px 18px 26px}
  .foot-links{margin-top:10px}
  .hero-dark-bg{height:480px}
  .answer-page{padding:36px 18px 12px}
  .answer-page .question-hero h1{font-size:clamp(26px,9vw,34px);line-height:1.22}
  .answer-body{font-size:15.5px}
  .answer-page .chart{height:280px}
  .share-cta{padding:22px 16px}
  .share-url-row{flex-wrap:wrap}
  .share-url-row input{flex-basis:100%}
}