:root{--bg:#f4f8f6;--surface:#fff;--surface-2:#edf5f1;--surface-3:#e2efe9;--ink:#10251e;--muted:#52665e;--line:#d4e2dc;--brand:#006a4e;--brand-strong:#00523c;--brand-soft:#dcefe8;--accent:#f42a41;--accent-soft:#ffeaed;--focus:#0875e1;--warning:#fff5d6;--warning-line:#e0b83b;--shadow:0 16px 44px #0d372a17;--shadow-small:0 5px 18px #0d372a12;--radius:18px;--header-bg:#006a4ef5}html[data-theme=dark]{--bg:#09130f;--surface:#101e19;--surface-2:#142821;--surface-3:#1a332a;--ink:#edf8f3;--muted:#a7beb5;--line:#284238;--brand:#55d2a7;--brand-strong:#79e1bd;--brand-soft:#173d31;--accent:#ff6475;--accent-soft:#401d24;--focus:#79b8ff;--warning:#332b13;--warning-line:#8b742b;--shadow:0 18px 50px #0000004d;--shadow-small:0 6px 20px #0000003d;--header-bg:#0a1d17f5}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:88px}body{background:var(--bg);color:var(--ink);overflow-wrap:anywhere;text-rendering:optimizelegibility;margin:0;font:17px/1.68 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(circle at 8% -10%,#28b2851f,#0000 30rem),radial-gradient(circle at 92% 14%,#f42a410f,#0000 25rem);position:fixed;inset:0}a{color:var(--brand);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--brand-strong)}button,summary,a{outline-offset:4px}:focus-visible{outline:3px solid var(--focus)}.wrap{width:min(1240px,100%);margin:0 auto;padding-inline:clamp(16px,4vw,32px)}.skip{z-index:100;background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-small);border-radius:10px;padding:10px 14px;position:fixed;top:-80px;left:16px}.skip:focus{top:12px}.top{z-index:50;background:var(--header-bg);color:#fff;-webkit-backdrop-filter:blur(14px);border-bottom:1px solid #ffffff29;position:sticky;top:0;box-shadow:0 8px 28px #002f221f}.top-row{align-items:center;gap:22px;min-height:70px;display:flex}.brand{color:#fff;letter-spacing:-.01em;flex:none;align-items:center;gap:11px;font-size:1.02rem;line-height:1.18;text-decoration:none;display:inline-flex}.brand:hover{color:#fff}.brand span:last-child{flex-direction:column;display:flex}.brand b{font-weight:760}.brand-mark{background:#ffffff1f;border:1px solid #ffffff38;border-radius:13px;place-items:center;width:42px;height:42px;display:grid;box-shadow:inset 0 1px #ffffff2e}.brand-mark img{display:block}.nav-wide{justify-content:flex-end;align-items:center;gap:4px;margin-left:auto;display:flex}.nav-wide a{color:#ffffffd1;white-space:nowrap;border-radius:9px;padding:8px 10px;font-size:.86rem;font-weight:650;text-decoration:none}.nav-wide a:hover,.nav-wide a[aria-current=page]{color:#fff;background:#ffffff1f}.top-actions{align-items:center;gap:8px;display:flex}.theme-toggle,.menu summary{color:#fff;min-height:40px;font:inherit;cursor:pointer;background:#ffffff14;border:1px solid #ffffff47;border-radius:11px;justify-content:center;align-items:center;gap:7px;padding:7px 10px;font-size:.86rem;font-weight:700;display:inline-flex}.theme-toggle{flex:none;width:40px;padding:7px}.theme-label{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.theme-toggle:hover,.menu summary:hover{background:#ffffff29}.theme-toggle svg,.menu summary svg{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.theme-moon,html[data-theme=dark] .theme-sun{display:none}html[data-theme=dark] .theme-moon{display:block}.menu{display:none;position:relative}.menu summary{list-style:none}.menu summary::-webkit-details-marker{display:none}.menu nav{background:var(--surface);border:1px solid var(--line);width:min(290px,100vw - 32px);box-shadow:var(--shadow);z-index:55;border-radius:14px;flex-direction:column;padding:8px;display:flex;position:absolute;top:50px;right:0}.menu nav a{color:var(--ink);border-radius:9px;padding:11px 12px;font-size:.94rem;font-weight:620;text-decoration:none}.menu nav a:hover,.menu nav a[aria-current=page]{background:var(--surface-2);color:var(--brand)}main.wrap{min-height:calc(100vh - 330px)}.crumbs{color:var(--muted);align-items:center;gap:5px;margin:20px 0 0;font-size:.82rem;display:flex}.crumbs a{color:var(--muted)}h1,h2,h3{letter-spacing:-.025em;text-wrap:balance}h1{max-width:18ch;margin:.35em 0 .25em;font-size:clamp(2rem,5vw,3.65rem);line-height:1.05}h2{margin:2.2em 0 .7em;scroll-margin-top:94px;font-size:clamp(1.35rem,3vw,1.85rem);line-height:1.2}p,li{max-width:70ch}.meta{color:var(--muted);align-items:center;gap:8px;margin:.65rem 0 1.4rem;font-size:.86rem;display:flex}.meta:before{content:"";background:var(--brand);width:8px;height:8px;box-shadow:0 0 0 4px var(--brand-soft);border-radius:50%}.hero{padding:clamp(52px,8vw,88px) 0 34px}.hero-grid{grid-template-columns:minmax(0,1.45fr) minmax(280px,.75fr);align-items:center;gap:clamp(28px,7vw,80px);display:grid}.eyebrow{color:var(--brand);text-transform:uppercase;letter-spacing:.13em;margin:0 0 14px;font-size:.78rem;font-weight:800;line-height:1.3}.hero h1{max-width:13ch;margin:0;font-size:clamp(2.65rem,7vw,5.2rem);line-height:.98}.hero-lede{color:var(--muted);max-width:61ch;margin:24px 0;font-size:clamp(1.08rem,2vw,1.28rem);line-height:1.6}.hero-actions{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.button{border-radius:12px;justify-content:center;align-items:center;min-height:46px;padding:10px 16px;font-weight:750;text-decoration:none;display:inline-flex}.button-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-small)}.button-primary:hover{background:var(--brand-strong);color:#fff}.button-secondary{background:var(--surface);border:1px solid var(--line);color:var(--ink)}.button-secondary:hover{background:var(--surface-2);color:var(--ink)}.trust-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:24px;position:relative;overflow:hidden}.trust-card:before{content:"";background:linear-gradient(90deg,var(--brand),var(--accent));height:4px;position:absolute;inset:0 0 auto}.trust-card h2{margin:0 0 14px;font-size:1.15rem}.trust-list{gap:13px;margin:0;padding:0;list-style:none;display:grid}.trust-list li{color:var(--muted);grid-template-columns:30px 1fr;align-items:start;gap:10px;font-size:.93rem;display:grid}.trust-list strong{color:var(--ink);display:block}.step{background:var(--brand-soft);width:28px;height:28px;color:var(--brand);border-radius:9px;place-items:center;font-size:.78rem;font-weight:850;display:grid}.stats{grid-template-columns:repeat(3,1fr);gap:10px;max-width:630px;margin:28px 0 0;display:grid}.stat{border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 84%,transparent);border-radius:13px;padding:12px 14px}.stat strong{font-size:1.25rem;line-height:1.2;display:block}.stat span{color:var(--muted);font-size:.78rem}.directory{padding:20px 0 8px}.directory-group{border-top:1px solid var(--line);padding:24px 0 12px}.section-head{justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px;display:flex}.section-head h2{margin:0}.section-head p{color:var(--muted);margin:0;font-size:.88rem}.cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.cards li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:transform .18s,border-color .18s,box-shadow .18s;position:relative;box-shadow:0 1px #00000005}.cards li:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--line));box-shadow:var(--shadow-small);transform:translateY(-2px)}.cards a{color:var(--ink);font-weight:780;line-height:1.35;text-decoration:none}.cards a:after{content:"";position:absolute;inset:0}.cards p{color:var(--muted);margin:8px 0 0;font-size:.9rem;line-height:1.55}.card-top{justify-content:space-between;align-items:start;gap:12px;display:flex}.card-arrow{background:var(--surface-2);width:29px;height:29px;color:var(--brand);border-radius:9px;flex:none;place-items:center;font-weight:800;transition:transform .18s;display:grid}.cards li:hover .card-arrow{transform:translate(2px)}.article-head{border-bottom:1px solid var(--line);max-width:1040px;margin-inline:auto;padding:clamp(34px,6vw,62px) 0 22px}.article-head h1{max-width:20ch;margin:.2em 0}.article-kicker{color:var(--brand);letter-spacing:.11em;text-transform:uppercase;margin:0;font-size:.78rem;font-weight:820}.article-grid{grid-template-columns:220px minmax(0,740px);align-items:start;gap:clamp(28px,6vw,70px);max-width:1040px;margin-inline:auto;padding:28px 0 10px;display:grid}.article-nav{position:sticky;top:96px}.article-nav p{text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0 0 9px;font-size:.75rem;font-weight:800}.article-nav a{color:var(--muted);border-radius:8px;margin-left:-10px;padding:7px 10px;font-size:.82rem;line-height:1.35;text-decoration:none;display:block}.article-nav a:hover{background:var(--surface-2);color:var(--brand)}.article-body{min-width:0}.answer{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small);padding:50px 22px 20px;font-size:1.08rem;line-height:1.72;position:relative}.answer:before{content:"Short answer";color:var(--brand);text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:850;position:absolute;top:17px;left:20px}.answer:after{content:"";background:var(--accent);border-radius:0 4px 4px 0;width:4px;position:absolute;top:16px;bottom:16px;left:0}.facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:14px 0 30px;display:grid}.fact{background:var(--surface-2);border:1px solid #0000;border-radius:14px;padding:14px 15px}.fact dt{color:var(--muted);text-transform:uppercase;letter-spacing:.075em;font-size:.7rem;font-weight:730;line-height:1.35}.fact dd{margin:5px 0 0;font-size:1.07rem;font-weight:780;line-height:1.4}.jump{display:none}.content-section{padding:2px 0}.content-section h2{border-bottom:1px solid var(--line);padding-bottom:10px}.content-section p{color:color-mix(in srgb,var(--ink) 90%,var(--muted))}.content-section li{margin:.4em 0}.table-wrap{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-small);border-radius:14px;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.91rem}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:12px 14px}tr:last-child td{border-bottom:0}th{background:var(--surface-2);text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:.75rem}details.faq{background:var(--surface);border:1px solid var(--line);border-radius:13px;margin:9px 0;overflow:hidden}details.faq summary{cursor:pointer;padding:14px 46px 14px 16px;font-weight:700;list-style:none;position:relative}details.faq summary::-webkit-details-marker{display:none}details.faq summary:after{content:"+";background:var(--surface-2);width:24px;height:24px;color:var(--brand);border-radius:8px;place-items:center;font-size:1.15rem;display:grid;position:absolute;top:50%;right:16px;translate:0 -50%}details.faq[open] summary:after{content:"−"}details.faq p{color:var(--muted);margin:0;padding:0 16px 15px}.sources{padding-left:1.45em;font-size:.87rem}.sources li{margin-bottom:9px;padding-left:4px}.sources li:target{background:var(--warning);border-radius:6px}sup a{color:var(--brand);padding:0 2px;font-weight:800;text-decoration:none}.notice{background:var(--warning);border:1px solid var(--warning-line);border-radius:14px;padding:14px 16px;font-size:.9rem;line-height:1.55}.site-notice{margin:38px 0 12px}.info-page{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);max-width:760px;box-shadow:var(--shadow-small);margin:clamp(34px,7vw,76px) auto 0;padding:clamp(24px,5vw,48px)}.info-page h1{margin-top:0}.info-page p:last-child{margin-bottom:0}.foot{background:var(--surface);border-top:1px solid var(--line);color:var(--muted);margin-top:80px;padding:36px 0 20px;font-size:.87rem}.foot-grid{grid-template-columns:1.1fr .9fr;align-items:start;gap:60px;display:grid}.foot-brand{color:var(--ink);font-size:.98rem}.foot-brand:hover{color:var(--ink)}.foot-brand .brand-mark{background:var(--brand-soft);border-color:var(--line)}.foot-grid p{max-width:50ch;margin:14px 0 0}.foot-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 20px;display:grid}.foot-links a{color:var(--muted);text-decoration:none}.foot-links a:hover{color:var(--brand)}.foot-base{border-top:1px solid var(--line);justify-content:space-between;gap:20px;margin-top:30px;padding-top:18px;font-size:.8rem;display:flex}@media (width<=1180px){.nav-wide{display:none}.menu{display:block}}@media (width<=960px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.article-grid{grid-template-columns:1fr;gap:0}.article-nav{display:none}.jump{flex-wrap:wrap;gap:7px;margin:6px 0 24px;display:flex}.jump a{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 11px;font-size:.8rem;line-height:1.3;text-decoration:none}}@media (width<=700px){body{font-size:16px}.top-row{gap:10px;min-height:62px}.brand-mark{width:38px;height:38px}.brand-mark img{width:30px;height:30px}.hero{padding:38px 0 24px}.hero-grid{grid-template-columns:1fr}.trust-card{padding:21px}.stats{grid-template-columns:1fr 1fr}.stat:last-child{grid-column:1/-1}.cards{grid-template-columns:1fr}.directory-group{padding-top:22px}.section-head{flex-direction:column;align-items:start;gap:4px}.article-head{padding:28px 0 18px}.facts{grid-template-columns:1fr 1fr}.foot{margin-top:56px}.foot-grid{grid-template-columns:1fr;gap:28px}.foot-base{flex-direction:column-reverse;align-items:flex-start;gap:8px}}@media (width<=520px){.wrap{padding-inline:16px}.brand{gap:8px;font-size:.88rem}.brand-mark{border-radius:10px;width:35px;height:35px}.brand-mark img{width:27px;height:27px}.theme-toggle,.menu summary{min-height:38px;padding:6px 9px}.menu summary span{display:none}h1{font-size:2.1rem}.hero h1{font-size:clamp(2.5rem,13vw,3.6rem)}.hero-lede{font-size:1.04rem}.hero-actions{flex-direction:column}.button{width:100%}.answer{padding:48px 18px 18px}.facts{grid-template-columns:1fr}.fact{padding:13px 14px}table.stack thead{display:none}table.stack tr{border-bottom:1px solid var(--line);padding:8px 0;display:block}table.stack tr:last-child{border-bottom:0}table.stack td{border:0;padding:4px 13px;display:block}table.stack td[data-label]:before{content:attr(data-label);color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:.68rem;font-weight:750;display:block}table.stack td:empty{display:none}.foot-links{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.cards li,.card-arrow{transition:none}}