@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url('/assets/inter-400.ttf') format('truetype')}
@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url('/assets/inter-500.ttf') format('truetype')}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url('/assets/inter-600.ttf') format('truetype')}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url('/assets/inter-700.ttf') format('truetype')}
@font-face{font-family:Inter;font-style:normal;font-weight:800;font-display:swap;src:url('/assets/inter-800.ttf') format('truetype')}
:root{--ink:#1c211f;--paper:#faf9f5;--gold:#b08a3f;--muted:#657069;--line:#dedfd5;--dark:#191e1b;--pale:#eeeee5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:5px}img,svg{max-width:100%}.wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:relative;z-index:2}.header-inner{height:98px;display:flex;justify-content:space-between;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px}.brand svg{width:38px;height:42px;color:var(--gold)}.brand>span{font-size:25px;letter-spacing:2.5px;line-height:1.15;font-weight:800}.brand small{font-size:8px;letter-spacing:1.4px;display:block;margin-top:7px;font-weight:600}.header-inner nav{display:flex;align-items:center;gap:29px;font-size:13px;font-weight:600}.header-inner nav a:hover{color:var(--gold)}.main-site{border:1px solid var(--line);padding:10px 17px}.main-site span{margin-left:12px}.skip{position:absolute;top:-100px;background:var(--ink);color:white;padding:10px;z-index:20}.skip:focus{top:0}.eyebrow{font-size:10px;font-weight:750;letter-spacing:2px;display:block;line-height:1.6}.dot{display:inline-block;background:var(--gold);height:7px;width:7px;border-radius:50%;margin-right:8px}.hero{padding:68px 0 64px}.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:76px;align-items:center}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(52px,5.7vw,79px);line-height:1.03;letter-spacing:-4px;font-weight:650;margin:25px 0}.hero h1 em{font-family:Georgia,serif;font-weight:400;color:#8a6e34}.hero p{font-size:16px;line-height:1.8;color:var(--muted);margin-bottom:30px}.hero-actions{display:flex;align-items:center;gap:25px}.button{background:var(--ink);color:#fff;display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:15px 22px;font-size:13px;font-weight:650;border:1px solid var(--ink);transition:background .2s}.button:hover{background:#404d42}.hero-link{font-size:12px;border-bottom:1px solid var(--line);padding:8px 0}.hero-panel{background:#e9eadf;border:1px solid #d8dccb;position:relative;min-height:445px;overflow:hidden}.panel-top{padding:23px 26px;display:flex;justify-content:space-between;font:10px/1.4 monospace;letter-spacing:1px;border-bottom:1px solid #d4d8c8}.panel-top>span{color:#5c6b53}.rfid-demo{position:relative;min-height:280px;overflow:hidden;background:radial-gradient(ellipse at center,transparent,#e4e8d920);display:flex;justify-content:center;align-items:center}.orbit{position:absolute;border:1px solid #8a997047;border-radius:50%;width:140px;height:140px}.o2{width:220px;height:220px}.o3{width:310px;height:310px}.tag-chip{width:110px;height:110px;background:#faf9f2;border:1px solid #b5bba7;border-radius:20px;box-shadow:12px 16px 0 #acb59d26;transform:rotate(-12deg);display:flex;align-items:center;justify-content:center;flex-direction:column;color:#516047;z-index:1}.tag-chip svg{width:39px}.tag-chip span{font:10px monospace;letter-spacing:3px;margin-top:8px}.chip-label{position:absolute;font:8px monospace;letter-spacing:1.2px;background:#e9eadf;padding:5px 8px;z-index:1;color:#58674e}.cl1{top:43px;left:30px}.cl2{bottom:50px;right:26px}.cl3{bottom:20px;left:48px}.panel-bottom{margin:0 26px;padding:25px 0;border-top:1px solid #c8cfba;display:flex;align-items:center;justify-content:space-between;font-size:15px;line-height:1.6}.panel-bottom strong{font-weight:600}.round-arrow{border:1px solid #a7b199;width:43px;height:43px;border-radius:50%;text-align:center;padding:6px;font-size:22px}.topics-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f1f1e9}.topics-strip .wrap{display:flex;gap:39px;align-items:center;justify-content:space-between;padding:19px 0;font-size:12px;color:#596257}.topics-strip span:first-child{font:9px monospace;letter-spacing:1.3px;color:#73806f}.topics-strip i{width:3px;height:3px;background:#98a08b;border-radius:50%}.guides{padding:75px 0 68px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:33px}h2{font-size:32px;line-height:1.2;letter-spacing:-1px;font-weight:600;margin:12px 0 17px}.section-heading p{font-size:13px;color:var(--muted);margin:0 0 6px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.guide-card{border:1px solid var(--line);background:#fffefb;display:flex;flex-direction:column}.card-art{height:215px;overflow:hidden;display:block;background:#e9eadf;border-bottom:1px solid var(--line)}.card-art .rfid-demo{min-height:215px}.card-art .o3{width:280px;height:280px}.card-art .tag-chip{height:85px;width:85px;border-radius:15px}.card-art .cl3{display:none}.art-esl{background:#eee9e1}.label-demo{padding:15px 24px;color:#635445}.shelf-code{font:8px monospace;letter-spacing:1.4px}.shelf{width:167px;margin:9px auto 7px;border:6px solid #29322c;background:#fcfbf5;padding:9px 12px;border-radius:5px;box-shadow:5px 7px 0 #c7bda840;transform:rotate(-5deg)}.shelf>span{font-size:6px;letter-spacing:1px;display:block}.shelf strong{display:block;font-size:25px;line-height:1.05;color:#30352e;margin:5px 0}.barcode{width:65px;height:12px;background:repeating-linear-gradient(90deg,#30352e 0 1px,transparent 1px 3px,#30352e 3px 5px,transparent 5px 6px)}.shelf small{font-size:5px;letter-spacing:.4px;display:block;margin-top:4px}.signal{font:8px monospace;display:flex;gap:6px;justify-content:center;align-items:center}.signal i{display:inline-block;width:22px;height:1px;background:#938574}.check-art{height:215px;background:#25392d;color:#e9eadd;padding:24px 26px;position:relative}.check-art>span{display:block;font:10px/2.2 monospace;color:#c0cdb9;border-bottom:1px solid #60715780;width:120px}.check-art strong{position:absolute;right:24px;bottom:22px;font-size:23px;line-height:1.1;letter-spacing:-.8px;font-weight:500;text-align:right}.card-copy{padding:23px 23px 26px;display:flex;flex-direction:column;flex:1}.meta{display:flex;justify-content:space-between;gap:10px;font-size:9px;letter-spacing:.5px;color:#74806f;margin-bottom:15px}.meta span:first-child{color:#7a5e26;font-weight:750}.guide-card h3{font-size:21px;line-height:1.3;letter-spacing:-.5px;margin-bottom:13px;font-weight:600}.guide-card h3 a:hover{text-decoration:underline;text-underline-offset:3px}.guide-card p{font-size:13px;color:var(--muted);line-height:1.75;margin-bottom:23px}.text-link{font-size:12px;font-weight:650;display:inline-flex;gap:15px;align-items:center}.card-copy>.text-link{margin-top:auto}.approach{border-top:1px solid var(--line);padding-top:55px;padding-bottom:70px;display:grid;grid-template-columns:1fr 1fr;gap:80px}.approach p{font-size:13px;color:var(--muted)}.approach ol{list-style:none;margin:0;padding:0}.approach li{display:flex;gap:25px;padding:17px 0;border-bottom:1px solid var(--line)}.approach li:first-child{padding-top:0}.approach li>span{font:12px monospace;color:#8b7546;padding-top:3px}.approach li h3{font-size:15px;font-weight:600;margin-bottom:5px}.approach li p{margin:0;font-size:12px}.cta{padding:48px;background:var(--ink);color:#fffef6;display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:75px}.cta .eyebrow{color:#cfb77e}.cta h2{font-size:32px;line-height:1.2;margin:15px 0}.cta p{font-size:13px;color:#c0c8bd;margin-bottom:0}.light{background:#ecebdd;color:var(--ink);border-color:#ecebdd;white-space:nowrap}.light:hover{background:#d8c89e}footer{border-top:1px solid var(--line);background:#f0f1e9;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:45px}.footer-grid .brand{margin-bottom:18px}.footer-grid p{font-size:12px;color:var(--muted)}.footer-grid>div>strong{display:block;font-size:12px;margin-bottom:14px}.footer-grid>div>a:not(.brand){display:block;font-size:12px;color:var(--muted);margin-bottom:9px}.footnote{border-top:1px solid #d5d9cc;margin-top:32px;padding-top:20px;display:flex;gap:25px;justify-content:space-between;font-size:10px;color:#697664}.article-header{padding-top:42px;max-width:1080px}.breadcrumbs{font-size:11px;display:flex;gap:13px;color:var(--muted);margin-bottom:30px}.article-header h1{max-width:930px;font-size:clamp(34px,4vw,52px);line-height:1.12;letter-spacing:-1.8px;margin:16px 0 20px}.article-deck{font-size:18px;color:var(--muted);max-width:800px;line-height:1.65}.byline{display:flex;flex-wrap:wrap;gap:22px;font-size:11px;border-bottom:1px solid var(--line);padding:14px 0 28px;color:var(--muted)}.byline span:first-child{font-weight:750;color:var(--ink)}.article-layout{max-width:1080px;display:grid;grid-template-columns:230px minmax(0,1fr);gap:55px;margin-top:38px}.toc{align-self:start;position:sticky;top:30px}.toc>strong{font-size:11px;text-transform:uppercase;letter-spacing:1.5px}.toc nav{margin:17px 0 25px;border-left:1px solid var(--line)}.toc nav a{display:block;padding:7px 12px;font-size:12px;color:var(--muted);line-height:1.5}.toc nav a:hover{color:var(--ink);border-left:2px solid var(--gold);margin-left:-1px}.article-body{font-size:16px;line-height:1.85}.article-body .answer{background:#e9eddf;border-left:3px solid #9d864e;padding:23px 28px;margin-bottom:38px}.answer p{font-size:17px;line-height:1.8;margin:10px 0 0}.article-body h2{font-size:27px;letter-spacing:-.6px;margin:36px 0 18px;line-height:1.3}.article-body h3{font-size:19px;margin:25px 0 8px;line-height:1.5}.article-body p{margin-bottom:18px}.article-body li{margin-bottom:10px}.article-body a:not(.button){text-decoration:underline;text-decoration-color:#b5a77d;text-underline-offset:3px}.article-body ul,.article-body ol{padding-left:24px}.table-scroll{overflow-x:auto;margin:22px 0}.article-body table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.6}.article-body th,.article-body td{border:1px solid var(--line);padding:13px;vertical-align:top;text-align:left}.article-body th{background:#e9ecdf;font-weight:650}.sources{border-top:1px solid var(--line);margin-top:45px}.sources p,.sources li{font-size:12px;color:var(--muted);line-height:1.8;overflow-wrap:anywhere}.article-cta{background:var(--pale);padding:28px;margin-top:35px}.article-cta h2{margin-top:13px}.article-cta p{font-size:14px}.related{max-width:1080px;padding:65px 0 80px}.related-links{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:25px}.related-links>a{display:grid;grid-template-columns:1fr 25px;gap:8px 15px;border-top:1px solid var(--line);padding:20px 0}.related-links>a>span:first-child{font-size:10px;letter-spacing:1.4px;color:#87703c;grid-column:1/-1}.related-links strong{font-size:17px;line-height:1.5}.category-main{padding:45px 0 80px;min-height:65vh}.back{font-size:12px;display:block;margin-bottom:30px;color:var(--muted)}.category-main h1,.policy h1{font-size:44px;line-height:1.2;letter-spacing:-1.6px;margin:18px 0}.category-intro{color:var(--muted);margin-bottom:35px}.policy{max-width:800px;padding:45px 0 80px;min-height:55vh}.policy a:not(.button){text-decoration:underline;text-underline-offset:3px}.policy h2{font-size:25px;margin-top:35px}.policy p{line-height:1.9}.policy .article-deck{margin-top:25px}
@media(min-width:1600px){.wrap{width:min(1280px,calc(100% - 100px))}.hero-grid{gap:100px}.hero h1{font-size:82px}.hero-panel{min-height:465px}.hero-panel .rfid-demo{min-height:300px}}
@media(max-width:1000px){.wrap{width:calc(100% - 48px)}.hero-grid{gap:35px}.hero h1{font-size:58px}.hero-panel{min-height:410px}.hero-actions{flex-wrap:wrap;gap:12px}.hero{padding:45px 0}.header-inner nav{gap:18px}.brand>span{font-size:22px}.cards{gap:16px}.card-copy{padding:20px 17px}.guide-card h3{font-size:19px}.section-heading{align-items:start}.approach{gap:40px}.topics-strip .wrap{gap:20px}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}.cta{padding:35px}.cta h2{font-size:28px}}
@media(max-width:720px){.wrap{width:calc(100% - 36px)}.header-inner{height:auto;min-height:96px;flex-wrap:wrap;padding:16px 0 13px;gap:14px}.brand>span{font-size:21px}.brand svg{width:31px;height:34px}.brand small{font-size:6.5px}.header-inner nav{width:100%;justify-content:space-between;gap:10px;font-size:11px}.main-site{padding:5px 9px}.hero-grid{grid-template-columns:1fr;gap:30px}.hero{padding-top:35px}.hero h1{font-size:60px;letter-spacing:-3px;margin:20px 0}.hero p{font-size:15px}.hero-actions{gap:20px}.hero-panel{min-height:360px}.hero-panel .rfid-demo{min-height:230px}.panel-top{padding:17px 20px}.panel-bottom{padding:20px 0;font-size:13px}.hero-panel .o3{width:300px;height:300px}.topics-strip .wrap{flex-wrap:wrap;justify-content:start;gap:12px 20px;padding:16px 0;font-size:11px}.topics-strip span:first-child{flex-basis:100%;font-size:8px}.topics-strip i{display:none}.section-heading{display:block;margin-bottom:25px}.section-heading p{margin-top:16px}.guides{padding:45px 0}.section-heading h2,h2{font-size:28px}.cards{grid-template-columns:1fr;gap:23px}.card-art{height:210px}.card-copy{padding:22px}.guide-card h3{font-size:23px}.guide-card p{font-size:14px}.meta{font-size:10px}.approach{grid-template-columns:1fr;gap:22px;padding-top:38px;padding-bottom:45px}.approach li{gap:18px}.cta{display:block;padding:28px;margin-bottom:45px}.cta h2{font-size:28px}.cta .button{margin-top:24px}.desktop{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid p{margin-bottom:0}.footer-grid>div>a:not(.brand){font-size:11px;overflow-wrap:anywhere}.footnote{font-size:9px;gap:12px;flex-wrap:wrap}.footnote span:last-child{width:100%}.article-header{padding-top:28px}.article-header h1{font-size:36px;letter-spacing:-1.3px}.article-deck{font-size:17px}.byline{gap:10px 20px;font-size:10px}.article-layout{grid-template-columns:1fr;gap:25px;margin-top:25px}.toc{position:static;background:#efefe7;padding:18px}.toc nav{margin-bottom:12px}.toc nav a{font-size:12px;padding-block:5px}.article-body{font-size:16px;line-height:1.85}.article-body .answer{padding:20px}.answer p{font-size:16px}.article-body h2{font-size:26px}.article-body th,.article-body td{padding:10px;min-width:100px}.related{padding:45px 0}.related-links{grid-template-columns:1fr;gap:5px}.category-main h1,.policy h1{font-size:34px}.policy{padding-bottom:50px}.article-cta{padding:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ARKCOM brand alignment: homepage assets and sampled design tokens. */
:root{--ink:#f8fafc;--paper:#111419;--gold:#f8c630;--muted:#a6adbb;--line:#303641;--dark:#111419;--pale:#1d232d;--blue:#3c83f6}body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink)}.wrap{width:min(1280px,calc(100% - 64px))}.site-header{background:#171a20f5;border-bottom:1px solid #ffffff14;backdrop-filter:blur(18px)}.header-inner{height:80px}.brand{gap:17px;flex-shrink:0}.brand>img{width:155px;height:auto;object-fit:contain}.brand-divider{height:24px;width:1px;background:#ffffff35}.brand>.brand-label{font:600 11px/1 Inter,sans-serif;letter-spacing:2.5px;color:#f8c630}.header-inner nav{gap:29px;font-size:14px;color:#c5cbd5}.header-inner nav a:hover,.header-inner nav .nav-active{color:var(--gold)}.header-inner nav .nav-active{border-bottom:2px solid var(--gold);padding-block:9px}.main-site{background:var(--blue);border:1px solid var(--blue);border-radius:10px;padding:11px 19px;color:white!important}.hero{position:relative;overflow:hidden;padding:66px 0 62px;isolation:isolate;min-height:650px}.hero-earth{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 48%;z-index:-3}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#11141905 0%,#11141966 33%,#111419ee 65%,#111419 100%),linear-gradient(0deg,#111419 0%,#11141900 23%,#11141915 70%);z-index:-2}.hero-grid{display:block;position:relative}.hero-grid>div{max-width:670px;width:56%;margin-left:auto}.hero .eyebrow{display:inline-flex;align-items:center;border:1px solid #f8c63055;color:#f8c630;background:#f8c6300d;border-radius:24px;padding:7px 15px;font-size:12px;letter-spacing:.15px;font-weight:500}.dot{background:var(--gold)}.hero h1{font-size:clamp(44px,4.4vw,66px);font-weight:700;line-height:1.08;letter-spacing:-2.4px;margin:25px 0}.hero h1>span{color:var(--gold)}.hero h1 em{font-family:inherit;font-weight:inherit;font-style:normal;color:var(--gold)}.hero p{color:#b7beca;font-size:17px;line-height:1.85;max-width:590px}.hero-actions{gap:16px}.button{background:var(--blue);border-color:var(--blue);border-radius:10px;font-size:14px;padding:13px 23px;font-weight:500;color:white;box-shadow:0 4px 18px #3c83f618}.button:hover{background:#2165d1;border-color:#2165d1}.hero-link{padding:13px 23px;border:1px solid #4d515b;border-radius:10px;font-size:14px;background:#ffffff08;color:#e4e7ec}.hero-link:hover{background:#ffffff12}.hero-categories{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:31px;color:#9ca6b5;font-size:11px}.hero-categories a{border:1px solid #ffffff26;background:#1d2433a6;padding:5px 12px;border-radius:30px;color:#d5dbe4}.hero-categories a:hover{border-color:var(--gold);color:var(--gold)}.topics-strip{background:#181d25;border-color:#2a303b}.topics-strip .wrap{color:#c6ccd6;font-size:12px;gap:25px}.topics-strip span:first-child{color:#f8c630;font-family:inherit;font-size:10px}.topics-strip i{background:#4b5260}.eyebrow{color:var(--gold);font-size:10px;letter-spacing:1.5px;font-weight:600}h2{font-weight:700;font-size:35px;letter-spacing:-1.1px}.gold{color:var(--gold)}.guides{padding-top:66px}.section-heading p{color:var(--muted);font-size:14px}.cards{gap:24px}.guide-card{background:#1a1e26;border:1px solid #303641;border-radius:14px;overflow:hidden;box-shadow:0 8px 26px #0002;transition:transform .2s,border-color .2s}.guide-card:hover{transform:translateY(-4px);border-color:#f8c63066}.card-art{position:relative;height:230px;background:#242a35;border-bottom:1px solid #333945;overflow:hidden}.card-art:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#10151ee6,transparent 60%)}.card-art>img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .3s}.guide-card:hover .card-art>img{transform:scale(1.025)}.card-art.art-esl{background:radial-gradient(ellipse at center,#38424d,#1c232e)}.card-art.art-esl>img{object-fit:contain;padding:16px 30px}.image-caption{position:absolute;bottom:16px;left:22px;z-index:1;font-size:9px;letter-spacing:1.7px;font-weight:600;color:#e1e5ed}.card-copy{padding:25px}.meta{color:#9da8b8;font-size:10px;letter-spacing:0}.meta span:first-child{color:#f8c630;border:1px solid #f8c63033;background:#f8c6300b;padding:2px 8px;border-radius:5px;font-size:9px}.guide-card h3{font-size:21px;line-height:1.45;letter-spacing:-.45px;color:#f2f5fb}.guide-card p{color:#aeb7c7;font-size:13px}.text-link{color:#73a5fa;font-size:13px}.text-link:hover{color:var(--gold)}.approach{border-color:#2d333e}.approach h2{color:#f3f5f8}.approach p{color:#a6adbb;font-size:14px}.approach li{border-color:#2d333e}.approach li>span{color:var(--gold);font-family:Inter,sans-serif}.approach li h3{color:#e9edf4}.approach li p{font-size:13px}.cta{background:radial-gradient(ellipse at top left,#233449,#171d28 65%);border:1px solid #354256;border-radius:16px;color:#f8fafc;padding:50px}.cta .eyebrow{color:var(--gold)}.cta h2{font-weight:700}.cta p{color:#b7c2d2}.cta .light{background:var(--blue);border-color:var(--blue);color:white}.cta .light:hover{background:#2165d1}footer{background:#0d1015;border-color:#262c37}.footer-grid p,.footer-grid>div>a:not(.brand){color:#9ca7b8}.footer-grid>div>strong{color:#f1f4fa}.footer-grid>div>a:hover{color:#f8c630}.footnote{border-color:#272e39;color:#8d98ab}.article-header{max-width:1130px}.article-header h1{font-weight:700;color:#f8c630}.article-deck{color:#b4bfd0}.breadcrumbs,.byline{color:#9fabbc}.byline{border-color:#343c49}.byline span:first-child{color:#f6d064}.article-layout{max-width:1130px;grid-template-columns:230px minmax(0,1fr);gap:35px;align-items:start}.toc{color:#eef1f5}.toc nav{border-color:#364153}.toc nav a{color:#aab7ca}.toc nav a:hover{color:#f8c630}.toc>.text-link{color:#80aeff}.article-body{background:#fafbfd;color:#2b3544;border:1px solid #dde3eb;border-radius:14px;padding:35px 38px;box-shadow:0 8px 35px #0001}.article-body .answer{background:#edf3ff;border-left:3px solid #3c83f6;border-radius:0 8px 8px 0;color:#273951;padding:22px;margin-bottom:32px}.article-body .answer .eyebrow{color:#245fa7}.article-body h2,.article-body h3{color:#172b46;letter-spacing:-.6px}.article-body h2{font-size:25px;line-height:1.4}.article-body a:not(.button){color:#2868b9;text-decoration-color:#88a9d5}.article-body table{font-size:12px;color:#273447}.article-body th{background:#e8eef7;color:#1b3556}.article-body th,.article-body td{border-color:#d3deed}.sources{border-color:#d6dee9}.sources p,.sources li{color:#596b81}.article-cta{background:#e8effa;border:1px solid #d4e0f1;border-radius:10px;color:#273c59}.article-cta .eyebrow{color:#235aa3}.article-cta .button{color:white}.related{max-width:1130px}.related-links>a{border-color:#364051}.related-links>a>span:first-child{color:#f8c630}.related-links strong{color:#e1e8f4}.category-main h1,.policy h1{color:#f8c630;font-weight:700}.category-intro,.policy p{color:#b0bbcd}.policy a:not(.button){color:#78aafd}.policy h2{color:#eef2f9}.policy .button{color:white}.back{color:#a6b4c8}.skip{background:#3c83f6;color:white}
@media(min-width:1600px){.wrap{width:min(1320px,calc(100% - 100px))}.hero h1{font-size:72px}.hero-grid>div{max-width:710px}.article-layout,.article-header,.related{max-width:1130px}.policy{max-width:800px}}
@media(max-width:1000px){.wrap{width:calc(100% - 48px)}.brand>img{width:135px}.header-inner nav{gap:18px;font-size:12px}.hero-grid>div{width:62%}.hero h1{font-size:52px}.hero{min-height:620px;padding-block:55px}.hero:before{background:linear-gradient(90deg,#11141922,#111419b0 40%,#111419f5 75%),linear-gradient(0deg,#111419,transparent 35%)}.hero-actions{gap:12px}.hero p{font-size:16px}.article-layout{grid-template-columns:175px minmax(0,1fr);gap:25px}.article-body{padding:28px}.card-copy{padding:20px}.guide-card h3{font-size:19px}.card-art{height:205px}}
@media(max-width:720px){.wrap{width:calc(100% - 36px)}.header-inner{height:auto;min-height:112px;gap:15px;padding:17px 0 12px}.brand>img{width:145px}.brand>.brand-label{font-size:10px}.header-inner nav{gap:9px;width:100%;justify-content:space-between;font-size:11px}.header-inner nav .nav-active{padding-block:5px}.main-site{padding:7px 11px;border-radius:7px}.main-site span{margin-left:3px}.hero{padding:45px 0 36px;min-height:620px}.hero-grid>div{width:100%;max-width:none}.hero h1{font-size:43px;line-height:1.12;letter-spacing:-1.7px;margin:25px 0 20px}.hero h1>span{font-size:42px}.hero-earth{object-position:24% center;opacity:.45}.hero:before{background:linear-gradient(180deg,#11141988 0%,#111419c9 55%,#111419 100%)}.hero .eyebrow{font-size:11px;padding:6px 12px}.hero p{color:#c0c9d8;font-size:15px;line-height:1.8}.hero-actions{gap:10px;align-items:stretch;flex-direction:column;width:100%;max-width:340px}.hero-actions>a{justify-content:center;text-align:center;padding:12px 15px;font-size:13px}.hero-categories{font-size:10px;gap:10px;margin-top:24px}.hero-categories>span{display:block;width:100%}.topics-strip .wrap{gap:12px 19px;font-size:10px;padding-block:16px}.section-heading h2{font-size:30px;line-height:1.25}.section-heading p{font-size:13px}.guides{padding-block:45px}.card-art{height:215px}.card-copy{padding:23px}.guide-card h3{font-size:22px}.guide-card p{font-size:14px}.approach{gap:20px}.approach h2{font-size:29px}.cta{padding:28px}.cta h2{font-size:28px}.footer-grid{gap:30px 15px}.footnote{font-size:9px}.article-layout{grid-template-columns:1fr;gap:23px}.article-header h1{font-size:33px;line-height:1.2}.article-header .article-deck{font-size:16px}.toc{background:#1b2431;border:1px solid #354156;border-radius:10px;padding:19px}.toc nav a{font-size:12px}.article-body{padding:24px 20px;border-radius:12px;font-size:15px;line-height:1.9}.article-body .answer{padding:19px 16px}.answer p{font-size:15px}.article-body h2{font-size:23px}.article-body h3{font-size:18px}.article-body table{font-size:12px}.article-body td,.article-body th{min-width:100px;padding:10px}.article-cta{padding:20px}.article-cta .button{font-size:12px;padding:12px 15px;gap:15px}.related h2{font-size:27px}.policy h1{font-size:34px}.category-main h1{font-size:36px}}

/* Public library: progressive enhancement and attributed photography. */
[hidden]{display:none!important}.category-links{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}.category-links a{padding:8px 13px;border:1px solid var(--line);border-radius:24px;font-size:12px;background:#1a1e26}.category-links a:hover{border-color:var(--gold);color:var(--gold)}.category-links span{color:var(--muted)}.library-tools{display:flex;gap:16px;align-items:end;flex-wrap:wrap;margin:26px 0 15px}.library-tools>div{flex:1;min-width:210px}.library-tools label{display:block;font-size:12px;margin-bottom:7px;color:#c5cbd5}.library-tools input,.library-tools select,.library-tools button{font:inherit;color:var(--ink);background:#1a1e26;border:1px solid #536075;border-radius:8px;padding:12px;width:100%;min-height:48px}.library-tools button{width:auto;cursor:pointer;font-size:13px}.library-tools input:focus-visible,.library-tools select:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.search-count,.library-photo-note{font-size:13px;color:var(--muted)}.library-photo-note{margin-bottom:25px}.library-photo-note a,.photo-credit a,.article-photo a,.photo-gallery a{text-decoration:underline;text-underline-offset:3px}.photo-credit{font-size:10px;line-height:1.65;color:#aeb7c7;padding:0 23px 19px;overflow-wrap:anywhere}.article-photo{margin:0 0 30px}.article-photo img{display:block;width:100%;max-height:480px;object-fit:contain;background:#eef1f5;border-radius:7px}.article-photo figcaption{font-size:11px;line-height:1.75;color:#596b81;margin-top:10px;overflow-wrap:anywhere}.article-body{min-width:0;overflow-wrap:anywhere}.photo-policy{max-width:1100px}.photo-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;margin-top:30px}.photo-gallery figure{margin:0;padding:18px;border:1px solid var(--line);border-radius:10px}.photo-gallery img{width:100%;height:240px;object-fit:contain}.photo-gallery figcaption{font-size:12px;line-height:1.8;color:#b0bbcd;overflow-wrap:anywhere}.meta{flex-wrap:wrap}.meta span{white-space:normal}.category-main .category-links{margin-top:25px}@media(max-width:720px){.library-tools{display:block}.library-tools>div{margin-bottom:13px;min-width:0}.library-tools button{width:100%}.photo-gallery{grid-template-columns:1fr}.category-links{gap:8px}.category-links a{font-size:11px;padding:7px 10px}.article-photo figcaption{font-size:10px}}

/* Topic-specific AI conceptual thumbnails; documentary article photos retain original credits. */
.card-art.art-concept{height:auto;aspect-ratio:3/2}.card-art.art-concept>img{width:100%;height:100%;object-fit:cover;object-position:center}.card-art.art-concept:after{background:linear-gradient(0deg,#10151ec9,transparent 38%)}