:root{--turquoise:#08BDBD;--cta:#63C5C6;--ink:#101418;--slate:#3A4148;--mist:#5F6B73;--faint:#8E979D;--snow:#FFFFFF;
--line:#D9DFE3;--alt:#F5F8F8;--tint:rgba(8,189,189,.08);--maxw:1120px;--prose:46rem;
font-family:"Hanken Grotesk",system-ui,-apple-system,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--snow);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.6;font-size:17px}
a{color:#0A8F8F;text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer;border:0;background:none}
img{max-width:100%;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,48px)}
/* header */
.hdr{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid #EDF1F3}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{height:44px!important;width:auto;max-width:none;display:block}
.logo-foot{height:44px!important}
.hdr-in>a:first-child{flex:0 0 auto;display:flex}
.nav{display:flex;gap:26px;align-items:center}
.nav a{color:var(--slate);font-weight:600;font-size:.95rem}
.nav a:hover,.nav a.on{color:var(--ink);text-decoration:none}
.nav .btn{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--cta);color:var(--ink);font-weight:800;
font-size:.92rem;letter-spacing:.02em;text-transform:uppercase;border-radius:10px;padding:13px 20px;
box-shadow:0 8px 20px rgba(8,120,125,.22);transition:transform .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(8,120,125,.3);text-decoration:none}
.btn.lg{padding:18px 30px;font-size:1.05rem;width:min(560px,100%)}
.btn.ghost{background:#fff;border:1px solid var(--line);box-shadow:none}
.hdr .btn.ghost{color:var(--ink)}
.hdr-cta{transition:opacity .25s}.hdr-cta.dim{opacity:0;pointer-events:none}
.menu{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 11px;justify-content:center}
.menu span{display:block;height:2px;background:var(--ink);border-radius:2px}
@media(max-width:960px){.logo{height:36px!important}.menu{display:flex}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px;border-bottom:1px solid var(--line)}
.nav.open{display:flex}.nav a{padding:13px 0;border-bottom:1px solid #EDF1F3;font-size:1.05rem}.nav .btn{display:inline-flex;margin-top:12px;border:0;color:var(--ink)}.hdr-cta{display:none}
.hdr.slim .logo{height:30px!important}.hdr.slim .hdr-cta{display:block;flex:0 0 auto}.hdr.slim .hdr-cta .btn{padding:9px 12px;font-size:.8rem;white-space:nowrap}.hdr.slim .hdr-cta .btn span{display:none}}
/* hero */
.hero{padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(28px,4vw,44px)}
.crumbs{font-size:.8rem;color:var(--mist);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.crumbs a{color:var(--mist)}.crumbs a:hover{color:var(--ink)}
.kicker{font-size:.74rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--turquoise)}
h1{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:800;line-height:1.08;letter-spacing:-.025em;margin-top:12px;text-wrap:balance;max-width:24ch}
.lead{font-size:clamp(1.08rem,1.9vw,1.3rem);font-weight:500;color:var(--slate);line-height:1.55;max-width:var(--prose);margin-top:22px;text-wrap:pretty}
.meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:.82rem;color:var(--mist);font-weight:600}
.meta span{display:inline-flex;align-items:center;gap:6px}.meta .by{display:inline}.meta svg{width:14px;height:14px;color:var(--turquoise)}
/* layout */
.grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;padding-bottom:40px}
@media(max-width:960px){.grid{grid-template-columns:minmax(0,1fr);gap:32px}}
.aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
@media(max-width:960px){.aside{position:static}.side-cta{display:none}}
.toc{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fff}
.toc h4{font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);margin-bottom:10px}
.toc ol{list-style:none;display:flex;flex-direction:column;gap:7px}
.toc a{color:var(--slate);font-size:.9rem;font-weight:600;display:block;line-height:1.35;padding:3px 0 3px 12px;margin-left:-12px;border-left:2px solid transparent;transition:color .2s,border-color .2s}
.toc a:hover{color:var(--ink);text-decoration:none}
.toc a.on{color:#0A8F8F;border-left-color:var(--turquoise)}
.toc ol ol{margin:6px 0 2px 12px;gap:5px}.toc ol ol a{font-weight:500;font-size:.84rem;color:var(--mist)}
.side-cta{border-radius:14px;padding:22px;background:var(--tint);border:1px solid rgba(8,189,189,.35);color:var(--ink)}
.side-cta h4{font-size:1.15rem;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.side-cta p{font-size:.9rem;color:var(--slate);margin:10px 0 16px}
.side-cta .btn{width:100%}
.side-cta small{display:block;margin-top:10px;font-size:.74rem;color:var(--mist)}
/* prose */
.prose{max-width:var(--prose);min-width:0}
.prose>p,.prose li{font-size:1.05rem;color:#232A31}
.prose>p{margin:0 0 1.15em}
.prose h2{font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:2.2em 0 .7em;text-wrap:balance}
.prose h3{font-size:1.18rem;font-weight:800;margin:1.7em 0 .5em;letter-spacing:-.01em}
.prose h4{font-size:1.02rem;font-weight:800;margin:1.4em 0 .4em}
.prose ul,.prose ol{margin:0 0 1.2em 1.3em}.prose li{margin:.35em 0}
.prose li>p{margin:0}
.prose a{font-weight:600;text-decoration:underline;text-decoration-color:rgba(8,189,189,.4);text-underline-offset:.14em}
.prose a:hover{text-decoration-color:var(--turquoise)}
.prose strong{color:var(--ink)}
.prose blockquote{border-left:3px solid var(--turquoise);padding:4px 18px;margin:1.4em 0;color:var(--slate);background:var(--alt);border-radius:0 10px 10px 0}
.tbl{overflow-x:auto;margin:1.4em 0;position:relative;-webkit-overflow-scrolling:touch}
@media(max-width:640px){.prose table{font-size:.86rem}.prose th,.prose td{padding:8px 9px;min-width:120px}.tbl::after{content:"";position:absolute;top:0;right:0;bottom:0;width:28px;background:linear-gradient(90deg,rgba(255,255,255,0),#fff);pointer-events:none}.tbl-hint{display:block;font-size:.74rem;color:var(--mist);margin:-.6em 0 .4em}}
.tbl-hint{display:none}
.prose table{width:100%;border-collapse:collapse;font-size:.93rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--alt);font-weight:800;font-size:.84rem;letter-spacing:.02em}
.prose code{background:var(--alt);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:.88em}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
/* inline cta */
.cta-inline{margin:2.4em 0;border:1px solid rgba(8,189,189,.35);background:var(--tint);border-radius:16px;padding:28px 30px;display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-inline h3{margin:0 0 8px;font-size:1.25rem;font-weight:800;letter-spacing:-.01em}
.cta-inline p{margin:0;font-size:.98rem;color:var(--slate);line-height:1.6}
/* end cta */
.cta-end{margin:3em 0 0;border-radius:18px;padding:clamp(28px,4vw,44px);background:linear-gradient(160deg,#0B2340,#0E2E52 60%,#0A3D5C);color:#fff;text-align:center}
.cta-end .kicker{color:#7FE3E3}
.cta-end h2{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:10px auto 14px;max-width:22ch;text-wrap:balance}
.cta-end p{color:#C9D8E6;max-width:48ch;margin:0 auto 24px;font-size:1.02rem}
.cta-end .trust{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:16px;font-size:.8rem;color:#9FB4C9;font-weight:600}
.author{display:flex;flex-direction:row-reverse;gap:22px;align-items:center;margin:2.6em 0 0;padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:var(--alt)}
.author .av{flex:0 0 84px;width:84px;height:84px!important;border-radius:50%;object-fit:cover}
@media(max-width:520px){.author{flex-direction:column;align-items:flex-start}}
.bio .follow{font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);margin:18px 0 0}.bio .social{margin-top:10px}
.bio{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:28px;align-items:start;margin:1em 0 2em}.bio img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:16px;box-shadow:0 16px 40px rgba(10,40,45,.18)}@media(max-width:640px){.bio{grid-template-columns:1fr}.bio img{max-width:260px}}
.author b{display:block;font-size:1rem;margin-bottom:4px}.author span{font-size:.9rem;color:var(--slate)}
/* faq */
.faq{margin-top:3em}
.faq h2{font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.8em}
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 20px;margin-bottom:12px}
.faq summary{list-style:none;cursor:pointer;padding:17px 0;font-weight:800;font-size:1rem;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq .plus{flex:0 0 22px;width:22px;height:22px;border-radius:50%;border:1px solid var(--turquoise);color:var(--turquoise);display:inline-flex;align-items:center;justify-content:center;font-weight:700;line-height:1;transition:transform .2s}
.faq details[open] summary .plus{transform:rotate(45deg)}
.faq details p{padding:0 0 18px;font-size:.96rem;color:var(--slate)}
/* related */
.related{margin-top:3em}
.related h2,.byind h2{font-weight:800;text-transform:uppercase;color:var(--mist);font-size:.78rem;letter-spacing:.16em;margin-bottom:14px}
.byind{margin-top:2.4em}.byind ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}.byind a{border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:.84rem;font-weight:700;color:var(--slate)}.byind a:hover{border-color:var(--turquoise);color:var(--ink);text-decoration:none}
.router{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px auto 0;text-align:left}@media(max-width:760px){.router{grid-template-columns:1fr}}
.router a{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:#fff;color:var(--ink)}.router a:hover{border-color:var(--turquoise);text-decoration:none}.router .k{display:block;font-size:.74rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#0A8F8F;margin-bottom:8px}.router b{display:block;font-size:1.15rem;line-height:1.3;margin-bottom:6px}.router span{font-size:.98rem;color:var(--slate);line-height:1.55}
.proof{margin:2em 0;border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:var(--alt)}.proof .k{font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#0A8F8F}.proof p{font-size:.92rem;color:var(--slate);margin:8px 0 0}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff;display:flex;flex-direction:column;gap:8px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--turquoise);transform:translateY(-2px);text-decoration:none}
.card .k{font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--turquoise)}
.card h3{font-size:1.1rem;font-weight:800;line-height:1.3;letter-spacing:-.01em;color:var(--ink);overflow-wrap:anywhere}
.card p{font-size:.95rem;color:var(--slate);line-height:1.55;overflow-wrap:anywhere}
.card .t{font-size:.82rem;color:var(--mist);font-weight:600;margin-top:auto}
/* hub */
.hub-hero{padding-top:clamp(44px,6vw,80px);padding-bottom:30px;text-align:center}
.hub-hero h1{margin:12px auto 0;max-width:20ch}
.hub-hero .lead{margin:18px auto 0}
.sec{padding:36px 0 10px}
.sec h2{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;margin-bottom:6px}
.sec .sub{color:var(--slate);margin-bottom:20px;max-width:60ch;font-size:1.02rem}
.card.big{padding:26px;background:linear-gradient(180deg,#fff,var(--alt))}
.card.big h3{font-size:1.3rem}.card.big p{font-size:1rem}
/* glossary */
.gloss h3{scroll-margin-top:90px}
.az{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 10px}
.az a{border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:.84rem;font-weight:700;color:var(--slate)}
.az a:hover{border-color:var(--turquoise);color:var(--ink);text-decoration:none}
/* tool */
.tool{border:1px solid var(--line);border-radius:18px;padding:clamp(20px,3vw,32px);background:#fff;box-shadow:0 16px 44px rgba(10,40,45,.08);margin:28px 0}
.tool .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.tool .row{grid-template-columns:1fr}}
.tool label{display:block;font-size:.8rem;font-weight:800;margin-bottom:6px}
.tool input,.tool select{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.98rem;color:var(--ink);background:#fff}
.tool input:focus,.tool select:focus{outline:3px solid rgba(8,189,189,.35);outline-offset:1px;border-color:var(--turquoise)}
.tool .btn{margin-top:16px}
.prompts{margin-top:22px;display:none;flex-direction:column;gap:10px}
.prompts.show{display:flex}
.pr{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--alt)}
.pr .n{flex:0 0 26px;height:26px;border-radius:8px;background:var(--turquoise);color:#fff;font-weight:800;font-size:.8rem;display:grid;place-items:center}
.pr p{flex:1;font-size:.98rem;font-weight:600;color:var(--ink)}
.pr .acts{display:flex;gap:6px;flex:0 0 auto}
.pr button,.pr a.open{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px;font-size:.78rem;font-weight:700;color:var(--slate)}
.pr a.open{display:inline-block;text-decoration:none;color:#0A8F8F;border:1px solid rgba(8,189,189,.5)}
.pr button:hover{border-color:var(--turquoise);color:var(--ink)}
.score{margin-top:18px;border:1px dashed var(--line);border-radius:12px;padding:16px 18px;font-size:.92rem;color:var(--slate)}
.score table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.88rem}
.score th,.score td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left}
.score input{width:100%;padding:7px 8px;border:1px solid var(--line);border-radius:6px;font:inherit}
.verdict{margin-top:20px}.verdict:empty{display:none}
.verdict .btn{white-space:normal;text-align:center;max-width:100%}.tool .row>div{min-width:0}.tool select{text-overflow:ellipsis}
.verdict .err{color:#B42318;font-weight:700}
.verdict .v{border-radius:14px;padding:20px 22px;border:1px solid var(--line);background:#fff}
.verdict .v.ok{border-color:rgba(8,189,189,.5);background:var(--tint)}.verdict .v.mid{border-color:#E8C46A;background:#FFF9EA}.verdict .v.no{background:#F7F8F9}
.verdict .v .k{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}
.verdict .v b{display:block;font-size:1.6rem;font-weight:800;letter-spacing:-.02em;margin:4px 0 6px}
.verdict .v.ok b{color:#0A8F8F}.verdict .v.mid b{color:#9A6B00}.verdict .v.no b{color:var(--slate)}
.verdict .v p{color:var(--slate);margin:0 0 10px}
.verdict .v ul{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:6px}
.verdict .v li{padding-left:24px;position:relative;font-size:.94rem;color:var(--slate)}
.verdict .v li:before{position:absolute;left:0;top:0;font-weight:800}
.verdict .v li.g:before{content:"\2713";color:#0A8F8F}.verdict .v li.s:before{content:"\00D7";color:#B42318;font-size:1.1rem;line-height:1.2}.verdict .v li.n:before{content:"i";color:var(--mist);font-style:italic;left:5px}
.verdict .v small{display:block;margin-top:10px;color:var(--mist);font-size:.78rem}
.verdict p{font-weight:700;margin-bottom:12px}.verdict .btn{margin-right:10px;margin-top:6px}.verdict a.dl{font-size:.84rem;font-weight:600}
.mbar.hide{transform:translateY(110%)!important}
@media(max-width:640px){.pr{flex-wrap:wrap}.pr p{flex:1 1 calc(100% - 38px)}.pr .acts{flex:1 1 100%;justify-content:flex-end}.score{overflow-x:auto}.score table{min-width:460px}}
/* footer */
.foot{border-top:1px solid #EDF1F3;margin-top:80px;padding:72px 0 48px;background:var(--alt)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px 40px}
@media(max-width:1100px){.foot-grid{grid-template-columns:1fr 1fr 1fr}.foot-brand{grid-column:1/-1;max-width:48ch}}
@media(max-width:640px){.foot-grid{grid-template-columns:1fr;gap:36px}}
.foot-fam ul{gap:10px}.foot-fam li{display:flex;flex-direction:column;gap:1px}.foot-fam li span{font-size:.78rem;color:var(--mist);line-height:1.45}
.social{display:flex;gap:10px;margin-top:22px}.social a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--slate)}.social a:hover{border-color:var(--turquoise);color:#0A8F8F}.social svg{width:18px;height:18px}
.foot .slogan{font-style:italic;color:var(--mist);margin-top:18px}.foot .foot-cta{color:#0A8F8F}
.foot .h5{font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--mist);margin-bottom:16px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot a{color:var(--slate);font-size:.92rem;font-weight:600}
.foot .logo{max-width:none}
.foot .tag{font-size:.92rem;color:var(--slate);margin-top:16px;max-width:36ch;line-height:1.6}
.legal{margin-top:56px;padding-top:30px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:8px 40px;font-size:.78rem;color:var(--mist);line-height:1.6}
.legal-line{color:var(--slate);font-weight:600}.legal-line:nth-child(2){text-align:right}
.legal-note{grid-column:1/-1;max-width:78ch;font-size:.74rem}.legal-note:first-of-type{margin-top:10px}
.legal a{color:#0A8F8F;text-decoration:none;font-weight:600}.legal a:hover{text-decoration:underline}
@media(max-width:640px){.legal{grid-template-columns:1fr}.legal-line:nth-child(2){text-align:left}}
/* mobile sticky */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);display:none;transform:translateY(110%);transition:transform .3s}
.mbar.show{transform:none}
.mbar .btn{width:100%}
@media(max-width:960px){.mbar{display:block}body{padding-bottom:72px}}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:10px;background:#fff;padding:8px 12px;z-index:100}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}