:root{--teal:#1f5f5b;--teal-d:#164744;--teal-l:#e6f0ef;--coral:#b4502a;--coral-l:#fbeee7;--cream:#fbf8f3;--ink:#1d2321;--muted:#56625e;--line:#e6dfd4;--soft:#f4efe7;--ok:#2f7d4f;--ok-l:#e7f4ec;--warn:#b7791f;--warn-l:#fdf3e1;--bad:#b83b2e;--bad-l:#fbe9e7;--r:14px;--sh:0 1px 2px rgba(0,0,0,.05),0 6px 20px rgba(31,95,91,.07);--f:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--fh:Georgia,"Times New Roman",serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font:17px/1.7 var(--f)}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal)}a:hover{color:var(--coral)}
h1,h2,h3{font-family:var(--fh);line-height:1.25;color:var(--ink)}
h1{font-size:clamp(1.9rem,4.5vw,2.6rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.4rem,3vw,1.75rem);margin:1.8em 0 .5em}
h3{font-size:1.18rem;margin:1.4em 0 .4em}
p{margin:0 0 1em}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.narrow{max-width:800px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:99;background:#fff;padding:8px 12px}
/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--teal);font:700 1.35rem var(--fh)}
.brand b{color:var(--coral)}
.menu{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.menu>li>a,.menu button{background:none;border:0;font:600 .97rem var(--f);color:var(--ink);padding:10px 14px;border-radius:10px;cursor:pointer;text-decoration:none;display:block}
.menu>li>a:hover,.menu button:hover{background:var(--soft);color:var(--teal)}
.menu button:after{content:"";display:inline-block;margin-left:6px;border:4px solid transparent;border-top-color:currentColor;transform:translateY(3px)}
.dd{position:relative}
.dd-menu{display:none;position:absolute;right:0;top:100%;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);padding:8px;min-width:240px}
.dd-menu a{display:block;padding:9px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-size:.95rem}
.dd-menu a:hover{background:var(--teal-l);color:var(--teal)}
.dd:hover .dd-menu,.dd.open .dd-menu{display:block}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
@media(max-width:860px){.nav-toggle{display:block}.site-header nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 18px}
.site-header.open nav{display:block}.menu{flex-direction:column;align-items:stretch}.dd-menu{position:static;box-shadow:none;border:0;padding:0 0 0 12px;display:none}.dd.open .dd-menu{display:block}.dd:hover .dd-menu{display:none}.dd.open:hover .dd-menu{display:block}}
/* breadcrumbs */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:18px 0 6px;font-size:.88rem;color:var(--muted)}
.crumbs li+li:before{content:"›";margin-right:6px;color:#a49b8d}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--teal)}
/* article */
.a-head .kicker,.kicker{margin:0;font:700 .78rem var(--f);letter-spacing:.08em;text-transform:uppercase;color:var(--coral)}
.kicker a{color:inherit;text-decoration:none}
.lead{font-size:1.14rem;color:#36403d}
.byline{font-size:.88rem;color:var(--muted);margin:0 0 18px}
.byline a{color:var(--muted)}
.hero-fig{margin:0 0 24px}.hero-fig img{border-radius:var(--r);width:100%}
.fig{margin:28px 0}.fig img{border-radius:var(--r);width:100%}
figcaption{font-size:.86rem;color:var(--muted);margin-top:8px;text-align:center}
.quick{background:var(--teal-l);border-left:5px solid var(--teal);border-radius:0 var(--r) var(--r) 0;padding:16px 20px;margin:0 0 24px}
.quick-h{font:700 1rem var(--f);color:var(--teal);margin:0 0 6px}
.quick ul{margin:0;padding-left:20px}.quick li{margin:4px 0}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 20px;margin:0 0 10px}
.toc-h{font-weight:700;margin:0 0 6px}.toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px;font-size:.95rem}
@media(max-width:620px){.toc ol{columns:1}}
.content ul,.content ol{padding-left:22px}.content li{margin:5px 0}
.content table,.tool-sections table{width:100%;border-collapse:collapse;margin:18px 0 22px;font-size:.95rem;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--teal);color:#fff;font-weight:600}
tr:last-child td{border-bottom:0}
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
.note,.warn,.tip{border-radius:var(--r);padding:14px 18px;margin:20px 0}
.note{background:var(--soft)}.tip{background:var(--ok-l);border-left:4px solid var(--ok)}
.warn{background:var(--bad-l);border-left:4px solid var(--bad)}
.note p:last-child,.warn p:last-child,.tip p:last-child{margin:0}
.steps{counter-reset:s;list-style:none;padding:0!important}
.steps li{counter-increment:s;position:relative;padding-left:46px;margin:14px 0}
.steps li:before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--coral);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.95rem}
.faq{margin-top:10px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:4px 20px 8px;margin:12px 0}
.faq-item h3{font-family:var(--f);font-size:1.03rem;font-weight:700;margin:14px 0 6px}
.faq-a p:last-child{margin-bottom:6px}
.sources ul{font-size:.92rem;padding-left:20px}
.disclaimer{font-size:.86rem;color:var(--muted);background:var(--soft);border-radius:var(--r);padding:12px 16px;margin:26px 0}
.author{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;margin:26px 0;font-size:.93rem}
.author p{margin:0 0 4px}.author-n{font-weight:700}
.author-av{flex:0 0 52px;height:52px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin:16px 0 30px}
.cards-lg{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh);color:var(--ink)}
.card img{aspect-ratio:480/252;object-fit:cover;width:100%}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:4px}
.card-kicker{font:700 .72rem var(--f);text-transform:uppercase;letter-spacing:.07em;color:var(--coral)}
.card-title{font:700 1.06rem/1.3 var(--fh);margin:0}
.card-text{font-size:.9rem;color:var(--muted);line-height:1.5}
.related h2{margin-top:1.2em}
/* buttons */
.btn{display:inline-block;background:var(--coral);color:#fff;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:12px;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:#9c4322;color:#fff}
.btn-ghost{background:#fff;color:var(--teal);border:2px solid var(--teal);margin-left:8px}
.btn-ghost:hover{background:var(--teal);color:#fff}
/* home */
.home-hero{background:linear-gradient(180deg,#fff,var(--cream));border-bottom:1px solid var(--line)}
.hh{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;padding:36px 20px 40px}
.hh-img img{border-radius:20px;box-shadow:var(--sh)}
.hh-cta{margin-top:18px}
@media(max-width:860px){.hh{grid-template-columns:1fr;padding-top:20px}.btn-ghost{margin:10px 0 0}}
.home-sec{margin:44px 0}
.sec-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.sec-tile,.tool-tile{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;text-decoration:none;color:var(--ink)}
.sec-tile:hover,.tool-tile:hover{border-color:var(--teal);box-shadow:var(--sh);color:var(--ink)}
.sec-tile strong{display:block;font-family:var(--fh);font-size:1.08rem}.sec-tile span span{font-size:.9rem;color:var(--muted)}
.sec-ico{flex:none;width:44px;height:44px;border-radius:12px;background:var(--teal-l);color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700}
.tools-band{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:center;background:var(--teal);color:#fff;border-radius:22px;padding:28px}
.tools-band h2{color:#fff;margin-top:0}.tools-band p{color:#dcebe9}
.tb-img{border-radius:16px}
.tools-band .tool-grid{grid-column:1/-1}
@media(max-width:860px){.tools-band{grid-template-columns:1fr}}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.tool-tile{flex-direction:column;gap:6px}.tool-tile strong{font-size:1rem}.tool-tile>span:not(.sec-ico):not(.tt-go){font-size:.88rem;color:var(--muted)}
.tool-grid-lg{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));margin:20px 0 50px}
.tt-go{color:var(--coral)!important;font-weight:700;font-size:.9rem;margin-top:auto}
.sec-head{margin:6px 0 10px}.sec-intro{max-width:820px;font-size:1.05rem}
.sec-h{font-size:1.35rem}
/* tool pages */
.tool-hero{background:var(--teal);color:#fff;padding:2px 0 70px}
.tool-hero h1{color:#fff;margin-top:6px}
.tool-hero .crumbs ol,.tool-hero .crumbs a{color:#cfe3e0}
.tool-lead{color:#e2efed;max-width:760px;font-size:1.08rem;margin:0}
.tool-lead a{color:#fff}
.tool-wrap{margin-top:-52px}
.tool{background:#fff;border-radius:20px;box-shadow:0 10px 40px rgba(20,60,57,.16);display:grid;grid-template-columns:1fr 1fr;overflow:hidden}
@media(max-width:820px){.tool{grid-template-columns:1fr}}
.tool-in{padding:26px 28px}.tool-out{padding:26px 28px;background:var(--soft);display:flex;flex-direction:column;justify-content:center}
.tool h2{font:700 1.05rem var(--f);margin:0 0 14px;color:var(--teal);text-transform:uppercase;letter-spacing:.05em}
.fld{margin:0 0 16px}.fld label,.fld .lbl{display:block;font-weight:600;font-size:.94rem;margin-bottom:6px}
.fld input,.fld select{width:100%;font:inherit;font-size:1.05rem;padding:11px 12px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.fld input:focus,.fld select:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-l)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg label{flex:1 1 auto;margin:0;position:relative}.seg input{position:absolute;opacity:0;top:0;left:0;width:1px;height:1px;margin:0;padding:0;pointer-events:none}
.seg span{display:block;text-align:center;border:1.5px solid var(--line);border-radius:10px;padding:9px 10px;font-weight:600;font-size:.92rem;cursor:pointer;background:#fff}
.seg input:checked+span{background:var(--teal);border-color:var(--teal);color:#fff}
.seg input:focus-visible+span{box-shadow:0 0 0 3px var(--teal-l)}
.hint{font-size:.83rem;color:var(--muted);margin-top:5px}
.big{font:700 clamp(2.4rem,6vw,3.4rem)/1.1 var(--fh);color:var(--teal);margin:4px 0}
.big small{font-size:.45em;color:var(--muted);font-family:var(--f);font-weight:600}
.res-label{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0}
.res-sub{font-size:1rem;color:var(--ink);margin:6px 0 0}
.pill{display:inline-block;padding:5px 12px;border-radius:30px;font-weight:700;font-size:.88rem;margin-top:10px}
.pill-ok{background:var(--ok-l);color:var(--ok)}.pill-warn{background:var(--warn-l);color:var(--warn)}.pill-bad{background:var(--bad-l);color:var(--bad)}.pill-info{background:var(--teal-l);color:var(--teal)}
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.res-box{background:#fff;border-radius:12px;padding:12px 14px}.res-box b{display:block;font-size:1.35rem;color:var(--ink)}.res-box span{font-size:.82rem;color:var(--muted)}
.meter{height:12px;border-radius:12px;background:linear-gradient(90deg,#9cc8e8,var(--ok) 35%,var(--ok) 60%,var(--warn) 78%,var(--bad));position:relative;margin:18px 0 6px}
.meter i{position:absolute;top:-6px;width:4px;height:24px;background:var(--ink);border-radius:3px;transform:translateX(-2px);transition:left .3s}
.meter-l{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted)}
.timeline{list-style:none;padding:0;margin:14px 0 0;font-size:.92rem}
.timeline li{padding:8px 0 8px 22px;border-left:3px solid var(--line);position:relative}
.timeline li:before{content:"";position:absolute;left:-8px;top:13px;width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--line)}
.timeline li.done:before{background:var(--teal);border-color:var(--teal)}.timeline li.now{font-weight:700}.timeline li.now:before{background:var(--coral);border-color:var(--coral)}
.tool-info{margin-top:34px}
.tool-sections h2{margin-top:1.4em}
.tool-sections>p,.tool-sections>ul{max-width:820px}
.tool-fig{max-width:800px}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:16px 0 24px}
.grid-cards>div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.grid-cards h3{margin:0 0 6px;font-size:1.05rem}.grid-cards p{margin:0;font-size:.93rem;color:#3b4542}
.tool-info .faq,.tool-info .sources,.tool-info .author,.tool-info .disclaimer{max-width:860px}
/* toxic checker */
.tx-search{position:relative}
.tx-list{list-style:none;margin:6px 0 0;padding:0;border:1px solid var(--line);border-radius:10px;max-height:260px;overflow:auto;background:#fff;display:none}
.tx-list.show{display:block}
.tx-list li{padding:9px 12px;cursor:pointer;border-bottom:1px solid var(--soft);display:flex;justify-content:space-between;gap:8px}
.tx-list li:hover,.tx-list li.act{background:var(--teal-l)}
.tx-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.tx-chips button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:5px 11px;font:600 .82rem var(--f);cursor:pointer}
.tx-chips button:hover{border-color:var(--teal);color:var(--teal)}
.lvl{font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:20px;white-space:nowrap}
.lvl-0{background:var(--ok-l);color:var(--ok)}.lvl-1{background:var(--warn-l);color:var(--warn)}.lvl-2{background:var(--bad-l);color:var(--bad)}.lvl-3{background:var(--bad);color:#fff}
.tx-filter{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.tx-filter input{flex:1 1 220px;font:inherit;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px}
.tx-filter select{font:inherit;padding:10px;border:1.5px solid var(--line);border-radius:10px;background:#fff}
/* footer */
.site-footer{background:#18302e;color:#cfdedb;margin-top:60px;padding:44px 0 22px;font-size:.93rem}
.site-footer .brand{color:#fff}.site-footer a{color:#cfdedb;text-decoration:none}.site-footer a:hover{color:#fff}
.f-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}
.f-h{font:700 .82rem var(--f);text-transform:uppercase;letter-spacing:.08em;color:#fff;margin:0 0 10px}
.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin:6px 0}
.f-note{font-size:.84rem;color:#9fb8b4}.f-note a{color:#fff;text-decoration:underline}
.f-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid #2c4744;margin-top:30px;padding-top:16px;font-size:.84rem;color:#9fb8b4}
@media(max-width:900px){.f-grid{grid-template-columns:1fr 1fr}.f-about{grid-column:1/-1}}
.nf{text-align:center;padding:70px 20px}

.sec-ico svg{width:22px;height:22px;display:block}
.sec-tile:hover .sec-ico,.tool-tile:hover .sec-ico{background:var(--teal);color:#fff}
.f-about .brand b{color:#f0a07f}