@layer reset, base, components, utilities;
@layer reset {
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body,h1,h2,h3,p,ul,ol{margin:0}
  img{max-width:100%;display:block}
  button,input{font:inherit}
}
@layer base {
  :root{--ink:#17232b;--muted:#5b6a72;--line:#dce4e7;--paper:#f6f8f8;--card:#fff;--accent:#25647a;--accent-dark:#164759;--soft:#e8f1f3;--warm:#e8a55c;--shadow:0 18px 46px rgba(22,43,51,.08);font-synthesis:none}
  body{background:var(--paper);color:var(--ink);font:16px/1.6 'Avenir Next',Avenir,'Segoe UI',Arial,sans-serif}
  h1,h2,h3,.brand strong,.article-card strong{font-family:'Avenir Next',Avenir,'Segoe UI',Arial,sans-serif;line-height:1.15;letter-spacing:-.035em}
  h1{font-size:clamp(2.5rem,6vw,5.6rem);font-weight:750}
  h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:720}
  h3{font-size:1.28rem}
  p{color:var(--muted)}
  a{color:inherit;text-decoration:none}
  a:hover{color:var(--accent)}
  .shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  .skip{position:absolute;left:-9999px;top:8px;background:white;padding:8px 12px;z-index:99}
  .skip:focus{left:8px}
}
@layer components {
  .demo-banner{background:#ffeac9;text-align:center;padding:6px 16px;color:#563d19;font-size:.78rem;font-weight:700;letter-spacing:.025em}
  .site-header{background:rgba(246,248,248,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(18px)}
  .header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
  .brand{display:flex;align-items:center;gap:12px;min-width:0}
  .brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:var(--accent);color:#fff;font-weight:800;letter-spacing:-.05em}
  .brand strong,.brand small{display:block}.brand strong{font-size:1rem}.brand small{font-size:.72rem;color:var(--muted);letter-spacing:.02em}
  .top-nav{display:flex;align-items:center;gap:24px}.top-nav a{font-size:.86rem;font-weight:700;color:#3b4e57}.top-nav a:hover{color:var(--accent)}
  .menu-toggle,.mobile-nav{display:none}
  .hero{padding:80px 0 68px;background:radial-gradient(circle at 84% 8%,rgba(37,100,122,.12),transparent 34%),linear-gradient(180deg,#f0f5f5 0%,var(--paper) 100%)}
  .hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.8fr);align-items:center;gap:8vw}
  .eyebrow,.section-label,.kicker{display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:.69rem;font-weight:800;color:var(--accent)}
  .hero h1{max-width:760px;margin:16px 0 23px}.hero-intro{font-size:1.18rem;max-width:600px;line-height:1.6}
  .hero-coverage{max-width:600px;margin-top:20px;padding:13px 17px;border-left:3px solid var(--accent);background:rgba(255,255,255,.7);border-radius:0 7px 7px 0}.hero-coverage strong{display:block;color:var(--ink);font-size:.69rem;letter-spacing:.1em;text-transform:uppercase}.hero-coverage p{margin:5px 0 6px;color:var(--ink);font-size:.86rem;line-height:1.48}.hero-coverage a{color:var(--accent);font-size:.79rem;font-weight:800;text-decoration:underline;text-underline-offset:2px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}
  .button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:8px;font-size:.88rem;font-weight:800;transition:transform .18s,background .18s}
  .button:hover{transform:translateY(-2px)}.button-primary{background:var(--accent);color:#fff}.button-primary:hover{background:var(--accent-dark);color:#fff}.button-ghost{background:transparent;border:1px solid #a7b9bf;color:var(--ink)}
  .hero-search,.search-form{margin-top:30px;max-width:520px}.hero-search label,.search-form label{display:block;font-size:.76rem;font-weight:800;margin-bottom:8px;color:#41545e}
  .hero-search>div,.search-form>div{display:flex;background:#fff;border:1px solid #aebfc5;border-radius:9px;overflow:hidden;box-shadow:0 5px 18px rgba(26,50,62,.04)}
  .hero-search input,.search-form input{border:0;padding:13px 16px;min-width:0;flex:1;background:transparent}.hero-search button,.search-form button{border:0;background:var(--ink);color:white;padding:0 19px;font-weight:750;cursor:pointer}
  .hero-panel{background:#17313b;color:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden;transform:rotate(1.4deg)}
  .hero-art{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid rgba(255,255,255,.14)}
  .panel-top{display:flex;align-items:center;gap:9px;padding:19px 24px;border-bottom:1px solid rgba(255,255,255,.14);text-transform:uppercase;letter-spacing:.15em;font-size:.69rem;font-weight:800;color:#b7d2db}
  .signal-dot{width:8px;height:8px;border-radius:50%;background:var(--warm);box-shadow:0 0 0 5px rgba(232,165,92,.14)}
  .panel-main{padding:33px 28px 50px}.panel-main span{font-size:.78rem;color:#a6c6d0;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.panel-main strong{display:block;font-size:clamp(2.3rem,4vw,3.8rem);line-height:1.05;letter-spacing:-.05em;margin:20px 0}.panel-main p{color:#d0e1e6}
  .panel-bottom{display:flex;gap:1px;background:#31505a}.panel-bottom span{flex:1;background:#21404b;padding:15px 10px;text-align:center;font-size:.71rem;font-weight:750;color:#d3e3e8}
  .section{padding-top:65px;padding-bottom:65px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}.section-heading h2{margin-top:7px}.section-heading p{max-width:350px;font-size:.9rem}
  .topic-grid,.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .topic-card,.article-card{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:27px;transition:border-color .2s,transform .2s,box-shadow .2s;min-width:0}
  .topic-card:hover,.article-card:hover{border-color:#84a6b2;transform:translateY(-3px);box-shadow:var(--shadow);color:var(--ink)}
  .topic-number{display:block;color:var(--muted);font-size:.71rem;font-weight:800;letter-spacing:.12em;margin-bottom:27px}.topic-card h3{margin-bottom:11px}.topic-card p{font-size:.9rem;min-height:68px}.topic-card>span:last-child{display:block;color:var(--accent);font-size:.79rem;font-weight:800;margin-top:21px}
  .article-card{display:flex;flex-direction:column;gap:12px}.article-card strong{font-size:1.25rem}.article-card>span:not(.kicker){color:var(--muted);font-size:.9rem}.article-card small{margin-top:auto;padding-top:12px;color:var(--accent);font-weight:750}
  .search-empty{grid-column:1/-1;padding:28px;background:var(--card);border:1px solid var(--line);border-radius:11px}.search-empty h2{font-size:1.4rem}.search-empty p{margin:8px 0 18px}.search-empty .button{width:max-content}
  .update-list{border-top:1px solid var(--line)}.update-list a{display:grid;grid-template-columns:145px 1fr 160px;gap:15px;align-items:center;padding:19px 8px;border-bottom:1px solid var(--line)}.update-list a:hover{background:#eef3f4}.update-list span,.update-list small{color:var(--muted);font-size:.8rem}.update-list strong{font-size:.97rem}.update-list small{text-align:right}
  .page-head{padding-top:46px;padding-bottom:35px;border-bottom:1px solid var(--line)}.page-head h1{font-size:clamp(2.5rem,5vw,4.2rem);margin:15px 0}.page-head p{max-width:690px;font-size:1.08rem}
  .crumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:var(--muted);font-size:.76rem;margin-bottom:26px}.crumb a{font-weight:750;color:var(--accent)}
  .article-shell{padding-top:40px;padding-bottom:80px}.article-layout{display:grid;grid-template-columns:minmax(0,770px) minmax(220px,280px);gap:6vw;align-items:start}.article,.article-rail{min-width:0}
  .article-header{padding-bottom:29px;border-bottom:1px solid var(--line)}.article h1{font-size:clamp(2.4rem,4vw,4.1rem);margin:16px 0}.article-lede{font-size:1.1rem;line-height:1.65}.article-meta{display:flex;flex-wrap:wrap;gap:9px 18px;margin-top:22px;color:#526771;font-size:.77rem;font-weight:750}
  .status{color:var(--accent)}.status-demo,.status-partial{color:#83501a}
  .quick-answer{margin:28px 0;padding:26px 30px;background:#e9f1f3;border-left:4px solid var(--accent);border-radius:0 9px 9px 0}.quick-answer span{font-size:.7rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}.quick-answer p{font-size:1.08rem;font-weight:650;color:var(--ink);margin-top:9px}
  .prose{font-size:1rem;line-height:1.78}.prose h2{font-size:1.65rem;margin:43px 0 14px;scroll-margin-top:110px}.prose p{margin:0 0 18px}.prose ul,.prose ol{padding-left:24px;margin:0 0 24px;color:#3c4f58}.prose li{margin-bottom:9px}.prose code{background:#edf3f4;padding:2px 5px;border-radius:4px}
  .content-note{padding:17px 21px;border-radius:8px;background:#fff7eb;border:1px solid #ebd2aa;margin:23px 0}.content-note p{margin:7px 0 0}
  .spoiler{margin:26px 0;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:7px;background:var(--card);overflow:hidden}.spoiler summary{cursor:pointer;min-height:48px;padding:15px 20px;font-weight:800;color:var(--ink)}.spoiler summary:hover{color:var(--accent)}.spoiler[open] summary{border-bottom:1px solid var(--line)}.spoiler-content{padding:18px 22px 4px}.spoiler-content p,.spoiler-content ol{margin-bottom:18px}
  .table-wrap{max-width:100%;overflow-x:auto;margin:19px 0 25px;scroll-margin-top:105px}.table-scroll-hint{display:none;color:var(--muted);font-size:.8rem}table{border-collapse:collapse;width:100%;min-width:450px;font-size:.88rem}.data-table-wide{min-width:700px}th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line)}th{background:#edf3f4;color:#29414d}tbody th{background:var(--card);color:var(--ink);font-weight:700}
  .faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:750;min-height:44px;padding:14px 0}.faq details p{padding:0 0 14px}.sources ul{list-style:none;padding:0}.sources li{padding:11px 0;border-bottom:1px solid var(--line)}.sources a{color:var(--accent);font-weight:750}.sources small{display:block;color:var(--muted)}
  .related{border-top:1px solid var(--line);padding-top:35px;margin-top:45px}.related h2{margin-bottom:18px}.related .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-rail{position:sticky;top:110px}.toc,.evidence-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px;margin-bottom:15px}.toc strong,.toc a{display:block}.toc strong{font-size:.8rem;margin-bottom:12px}.toc a{font-size:.81rem;color:#50636d;padding:7px 0}.toc a:hover{color:var(--accent)}.evidence-card strong{display:block;margin:7px 0}.evidence-card p,.evidence-card small{font-size:.78rem}.evidence-card small{color:var(--accent);font-weight:800}
  .release-gate ul{padding-left:17px;margin:8px 0 0;font-size:.78rem;line-height:1.5}.release-gate li{margin:0 0 8px}.utility-content .prose{max-width:760px}.utility-content .prose a{color:var(--accent);font-weight:700}.search-form{margin-bottom:10px}.site-footer{background:#172b34;color:#fff;margin-top:45px;padding-top:52px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:1.4rem;font-weight:800}.site-footer p{color:#b2c4cc;max-width:360px;margin-top:10px;font-size:.86rem}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:10px;font-size:.83rem}.footer-grid a,.footer-grid span{color:#bed0d6}.footer-grid strong{margin-bottom:8px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #36505c;margin-top:45px;padding:18px 0;color:#a9c0c8;font-size:.72rem}
  .ad-wrap{margin:30px 0;min-height:90px;overflow:hidden;text-align:center}.ad-wrap>span{display:block;color:var(--muted);font-size:.67rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:5px}.ad-wrap:has(> ins.adsbygoogle[data-ad-status="unfilled"]){display:none}
  .video-module{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:center;gap:30px;padding:28px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
  .video-module-home{margin:0 0 14px}.video-module-article{display:block;margin:28px 0 36px;padding:20px;box-shadow:none}.video-module-article .video-module-copy{margin-bottom:18px}
  .video-module h2{font-size:clamp(1.35rem,2.3vw,2rem);margin:9px 0 12px;overflow-wrap:anywhere}.video-module p{font-size:.94rem;line-height:1.6}.video-credit{margin-top:16px;color:var(--muted)}.video-credit a,.video-source-link{color:var(--accent);font-weight:750}.video-source-link{display:inline-block;margin-top:12px;text-decoration:underline;text-underline-offset:3px}
  .video-shell{position:relative;aspect-ratio:16/9;background:#13191d;overflow:hidden;border-radius:8px}.video-shell:focus-within{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 5px #123247}.video-poster{display:block;position:relative;width:100%;height:100%;padding:0;border:0;background:#13191d;cursor:pointer}.video-poster img{width:100%;height:100%;object-fit:cover;visibility:hidden;opacity:.8}.video-poster img.video-poster-ready{visibility:visible}.video-poster:hover img.video-poster-ready{opacity:1}.video-poster-fallback{position:absolute;left:18px;bottom:15px;color:#fff;font-size:.8rem;font-weight:750;letter-spacing:.08em;text-transform:uppercase}.video-poster img.video-poster-ready+.video-poster-fallback{display:none}.video-play-icon{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:68px;height:68px;border-radius:50%;background:var(--accent);color:#fff;font-size:1.55rem;line-height:1;box-shadow:0 7px 20px #0008}.video-shell iframe{display:block;width:100%;height:100%;border:0}
  .theme-horde{--paper:#f1f3f3;--ink:#142330;--muted:#536774;--line:#cbd7db;--card:#fbfcfc;--accent-dark:#9f381a;--warm:#ef6a3b}
  .theme-horde .hero{background:repeating-linear-gradient(90deg,transparent 0 44px,rgba(255,255,255,.025) 44px 45px),linear-gradient(124deg,#101d29,#223746 68%,#15232f);color:#f8f5ee}
  .theme-horde .hero-intro,.theme-horde .hero-search label{color:#cfdbdf}.theme-horde .hero .eyebrow{color:#ffb389}.theme-horde .hero-panel{background:#0d1922;border:1px solid #54717a;border-radius:3px;transform:none}.theme-horde .panel-main strong{font-family:Impact,'Arial Narrow',sans-serif;font-weight:600;letter-spacing:.015em}.theme-horde h1,.theme-horde h2{font-family:Impact,'Arial Narrow',sans-serif;font-weight:600;letter-spacing:.012em}.theme-horde .topic-card{border-radius:3px;border-top:4px solid var(--accent)}.theme-horde .hero-art{filter:saturate(.9) contrast(1.08)}
  .theme-horde .hero-coverage,.theme-threshold .hero-coverage{background:rgba(255,255,255,.09);border-left-color:#ffb389}.theme-horde .hero-coverage strong,.theme-threshold .hero-coverage strong,.theme-horde .hero-coverage p,.theme-threshold .hero-coverage p{color:#f2eae5}.theme-horde .hero-coverage a,.theme-threshold .hero-coverage a{color:#ffbd9d}
  .theme-horde .hero .button-ghost,.theme-threshold .hero .button-ghost{color:#fff;border-color:rgba(255,255,255,.58)}.theme-horde .hero .button-ghost:hover,.theme-threshold .hero .button-ghost:hover{background:rgba(255,255,255,.12)}
  .theme-threshold{--paper:#ebe8e3;--ink:#281f23;--muted:#605a5c;--line:#d5cecb;--card:#f8f5f1;--accent-dark:#8b282b;--warm:#b84449}
  .theme-threshold .hero{background:linear-gradient(120deg,#211b1e,#3b252b 65%,#171416);color:#fff7ef}.theme-threshold .hero-intro,.theme-threshold .hero-search label{color:#e2d4d0}.theme-threshold .hero .eyebrow{color:#f3aaa5}.theme-threshold .hero-panel{background:#20191c;border-radius:2px;transform:none;border:1px solid #715055}.theme-threshold h1,.theme-threshold h2{font-family:Georgia,'Times New Roman',serif;letter-spacing:-.045em}.theme-threshold .hero-art{filter:saturate(.67) contrast(1.16)}.theme-threshold .topic-card{border-radius:2px}
  .theme-creator{--paper:#f2f4f7;--ink:#1b2f4b;--muted:#526780;--line:#d1dce6;--card:#fff;--accent-dark:#455ca6;--warm:#d3a764}
  .theme-creator .hero{background:radial-gradient(circle at 12% 7%,#fff9e8,transparent 34%),linear-gradient(125deg,#e9f2fa,#e0e8f4 70%,#f6efe5)}.theme-creator .hero-panel{background:#243d62;border:1px solid #728dab;border-radius:22px;transform:none}.theme-creator h1,.theme-creator h2{font-family:Georgia,'Times New Roman',serif;letter-spacing:-.047em}.theme-creator .topic-card{border-radius:16px}.theme-creator .hero-art{filter:saturate(.9)}
  .theme-pixel{--paper:#f7f1e4;--ink:#17263a;--muted:#516171;--line:#c9d4d7;--card:#fffdfa;--accent-dark:#103c78;--warm:#e8b94a}
  .theme-pixel .hero{background:repeating-linear-gradient(0deg,transparent 0 23px,rgba(20,85,162,.075) 23px 24px),repeating-linear-gradient(90deg,transparent 0 23px,rgba(20,85,162,.075) 23px 24px),linear-gradient(120deg,#e9eff3,#f7f1e4)}.theme-pixel .hero-coverage a{color:#0b376a}.theme-pixel h1,.theme-pixel h2{font-family:'Courier New',Courier,monospace;letter-spacing:-.07em;font-weight:800}.theme-pixel .hero-panel,.theme-pixel .topic-card,.theme-pixel .article-card{border-radius:2px}.theme-pixel .hero-panel{background:#101d32;border:3px solid #3b699c;transform:none}.theme-pixel .hero-art{image-rendering:pixelated}
}
@layer utilities {
  :focus-visible{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 5px #123247}
  main:focus-visible h1{outline:2px solid #fff;outline-offset:3px;box-shadow:0 0 0 6px #123247}
  .hero-search>div:focus-within,.search-form>div:focus-within{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 5px #123247}
  @media(max-width:1100px){.top-nav{display:none}.menu-toggle[data-enhanced]{display:block;min-height:44px;border:1px solid var(--line);background:#fff;padding:8px 13px;border-radius:7px;font-weight:700}.mobile-nav:not([aria-hidden="true"]){display:flex;flex-direction:column;gap:0;padding:0 14px 14px;background:#fff;border-top:1px solid var(--line)}.js .mobile-nav:not([aria-hidden="false"]){display:none}.mobile-nav a{padding:11px;border-bottom:1px solid var(--line);font-size:.9rem}}
  @media(max-width:1100px) and (max-height:400px){.mobile-nav:not([aria-hidden="true"]){max-height:calc(100dvh - 77px);overflow-y:auto;overscroll-behavior:contain}.demo-banner~.site-header .mobile-nav:not([aria-hidden="true"]){max-height:calc(100dvh - 140px)}}
  @media(max-width:900px){.hero-grid{gap:30px}.panel-bottom{flex-wrap:wrap}.article-layout{grid-template-columns:minmax(0,1fr)}.article-rail{position:static;display:grid;grid-template-columns:1fr 1fr;gap:15px}.topic-grid,.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/-1}.video-module{grid-template-columns:1fr}}
  @media(max-width:650px){.shell{width:min(100% - 28px,1180px)}.header-inner{min-height:64px}.brand small{display:none}.hero{padding:48px 0}.hero-grid{grid-template-columns:1fr}.hero-panel{transform:none}.section{padding-top:43px;padding-bottom:43px}.section-heading{display:block}.section-heading p{margin-top:10px}.topic-grid,.card-grid,.related .card-grid,.article-rail{grid-template-columns:1fr}.topic-card p{min-height:auto}.update-list a{grid-template-columns:1fr;gap:4px}.update-list small{text-align:left}.article-shell{padding-top:22px}.article h1{font-size:2.5rem}.quick-answer{padding:21px}.table-scroll-hint{display:block;margin:0 0 6px!important}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
  @media(max-width:650px){.hero-panel .panel-main,.hero-panel .panel-bottom{display:none}.hero-panel .panel-top{padding:12px 18px}}
  @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
}
/* Banner dimensions stay exact; very narrow article columns do not load it. */
.adsterra-choice{font-size:.85rem;max-width:100%;margin:auto}.adsterra-choice>p{margin:8px auto;max-width:44rem}.adsterra-choice button{margin:6px;padding:10px 14px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}.adsterra-choice button[hidden]{display:none}.adsterra-choice button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.adsterra-privacy{font-size:.78rem}.adsterra-banner-slot{width:300px;max-width:100%;margin:auto}.adsterra-banner-slot iframe{display:block;width:300px;height:250px;max-width:none;border:0;margin:8px auto}.adsterra-choice{container-type:inline-size}@container (width < 300px){.adsterra-choice>[data-adsterra-allow]{display:none}}