.method-guide{--m-cyan:#73dfe7;--m-mint:#dff2ec;--m-yellow:#f4da89;--m-peach:#f4b49b;--m-blue:#bfdfeb;--m-line:#cbd9d2;--m-text:#40544b}.method-guide a{color:#006f7b}.method-guide code{color:#155f62;font-size:.93em}.method-hero__actions{gap:12px;margin-top:25px;display:flex}.method-hero__actions a{border:1px solid var(--ink);background:var(--m-cyan);min-height:48px;box-shadow:3px 3px 0 var(--ink);border-radius:8px;justify-content:space-between;align-items:center;gap:18px;padding:11px 15px;font-size:14px;font-weight:850;text-decoration:none;display:inline-flex;color:var(--ink)!important}.method-hero__actions a+a{background:#fff}.method-hero__actions a:hover{background:#59d2db}.method-section-head{max-width:880px;margin-bottom:31px}.method-section-head h2{letter-spacing:-.069em;margin:15px 0;font-size:clamp(35px,4.5vw,53px);line-height:1.03}.method-section-head>p:last-child{color:var(--muted);max-width:800px;margin:0;font-size:17px;line-height:1.62}.method-router{margin-bottom:110px;scroll-margin-top:25px}.method-router__groups{gap:17px;display:grid}.method-router__groups>section{border:1px solid var(--m-line);background:#fff;border-radius:16px;grid-template-columns:220px 1fr;display:grid;overflow:hidden}.method-router__groups>section>div{border-right:1px solid var(--m-line);background:#e8f5f1;padding:23px 21px}.method-router__groups>section:nth-child(2)>div{background:#e9f2f6}.method-router__groups>section:nth-child(3)>div{background:#f7e8c1}.method-router__groups>section>div>span{color:#3d655a;background:#fff;border-radius:50%;place-items:center;width:36px;height:36px;margin-bottom:44px;font-size:11px;font-weight:900;display:grid}.method-router__groups h3{letter-spacing:-.05em;margin:0;font-size:26px;line-height:1.08}.method-router__groups ul{margin:0;padding:0;list-style:none}.method-router__groups li+li{border-top:1px solid #dce5e0}.method-router__groups li>a{grid-template-columns:minmax(185px,.8fr) minmax(0,1.35fr) minmax(155px,.8fr);align-items:start;gap:24px;min-height:82px;padding:19px 22px;text-decoration:none;display:grid;color:var(--ink)!important}.method-router__groups li>a:hover{background:#f2f8f5}.method-router__groups li>a:focus-visible{outline:3px solid var(--focus);outline-offset:-3px}.method-router__groups li strong{font-size:17px;line-height:1.35}.method-router__groups li span{color:#40544b;font-size:15px;line-height:1.48}.method-router__groups li small{color:#53675d;font-size:13px;font-weight:750;line-height:1.45}.method-ladder{margin-bottom:110px}.method-ladder__steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:34px;margin:0;padding:0;list-style:none;display:grid;position:relative}.method-ladder__steps:before{content:"";background:#9db5aa;height:1px;position:absolute;top:34px;left:7%;right:7%}.method-ladder__steps li{z-index:1;position:relative}.method-ladder__steps li>span{color:#2b6659;background:#e6f4ef;border:1px solid #93afa3;border-radius:50%;place-items:center;width:68px;height:68px;margin-bottom:20px;font-size:18px;font-weight:900;display:grid;box-shadow:0 0 0 8px #f4f7f5}.method-ladder__steps li:nth-child(2)>span{background:#e7f1f5}.method-ladder__steps li:nth-child(3)>span{background:#f8e8b4}.method-ladder__steps li:nth-child(4)>span{color:#7a3b2d;background:#f6dcd3;border-color:#d7a493}.method-ladder__steps p{letter-spacing:1px;color:#53675d;margin:0 0 8px;font-size:10px;font-weight:900}.method-ladder__steps h3{letter-spacing:-.042em;margin:0 0 10px;font-size:23px;line-height:1.1}.method-ladder__steps small{color:var(--muted);font-size:15px;line-height:1.53}.method-ladder__example{color:#40544b;background:#fff;border-left:4px solid #19939a;max-width:1050px;margin:26px 0 0;padding:16px 18px;font-size:16px;line-height:1.55}.method-dictionary{margin-bottom:110px;scroll-margin-top:25px}.method-anchor-alias{visibility:hidden;display:block;position:relative;top:-25px}.method-table-wrap{border:1px solid var(--m-line);background:#fff;border-radius:14px;overflow-x:auto}.method-table-wrap:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.method-table-wrap table{border-collapse:collapse;text-align:left;width:100%;min-width:980px}.method-table-wrap th,.method-table-wrap td{vertical-align:top;border-bottom:1px solid #e0e8e4;padding:17px 18px;font-size:15px;line-height:1.5}.method-table-wrap thead th{color:#42584e;letter-spacing:.85px;text-transform:uppercase;background:#e8f4f0;font-size:11px}.method-table-wrap tbody th{width:22%;font-size:16px;line-height:1.34}.method-table-wrap td{color:#40544b}.method-table-wrap tbody tr:last-child th,.method-table-wrap tbody tr:last-child td{border-bottom:0}.method-table-wrap a{text-underline-offset:3px;font-weight:800;text-decoration:underline}.method-specs{margin-bottom:110px}.method-spec{border:1px solid var(--m-line);background:#fff;border-radius:17px;margin-bottom:18px;scroll-margin-top:25px;overflow:hidden}.method-spec>header{background:#fbfcfb;border-bottom:1px solid #dbe5e0;grid-template-columns:205px minmax(0,1fr) auto;align-items:center;gap:25px;padding:24px 26px;display:grid}.method-spec>header>span{letter-spacing:1px;color:#52675d;font-size:10px;font-weight:900;line-height:1.35}.method-spec>header h3{letter-spacing:-.059em;margin:0 0 6px;font-size:clamp(26px,3vw,38px);line-height:1.06}.method-spec>header p{color:var(--muted);margin:0;font-size:15px;line-height:1.5}.method-spec>header>a{white-space:nowrap;background:#eff7f4;border:1px solid #a3bbb0;border-radius:7px;align-items:center;min-height:44px;padding:9px 12px;font-size:13px;font-weight:850;text-decoration:none;display:inline-flex;color:#1e665f!important}.method-spec>header>a:hover{background:#dff1eb}.method-spec__fields{border-bottom:1px solid #dbe5e0;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.method-spec__fields>div{background:#f6f9f7;min-height:115px;padding:16px 17px}.method-spec__fields>div+div{border-left:1px solid #dbe5e0}.method-spec__fields small{letter-spacing:.9px;color:#52675d;margin-bottom:11px;font-size:9px;font-weight:900;display:block}.method-spec__fields strong{color:var(--ink);font-size:14px;line-height:1.4;display:block}.method-spec__body{padding:28px 30px 30px}.method-spec__body h4{letter-spacing:-.04em;margin:0 0 13px;font-size:22px;line-height:1.14}.method-spec__body ul{margin:0;padding-left:22px}.method-spec__body li,.method-spec__body>p,.method-spec__body>div>p{color:#40544b;font-size:16px;line-height:1.6}.method-spec__body li{margin-bottom:10px;padding-left:3px}.method-spec__body>p,.method-spec__body>div>p{margin:17px 0 0}.method-spec__note{background:#e8f6f3;border-left:4px solid #1c9398;padding:14px 16px}.method-spec__body--split{grid-template-columns:repeat(2,minmax(0,1fr));gap:50px;display:grid}.method-spec__source{font-size:14px!important}.method-spec__source a,.method-spec__body>p>a{text-underline-offset:3px;font-weight:800;text-decoration:underline}.method-spec__body--formula{grid-template-columns:1fr .95fr;align-items:start;gap:28px;display:grid}.method-spec__body--formula>p{grid-column:1/-1;margin:0}.method-equation{background:#e8f6f2;border:1px solid #b9d5ca;border-radius:12px;padding:24px}.method-equation p{letter-spacing:1px;color:#4f675e;font-weight:900;margin:0 0 13px!important;font-size:10px!important}.method-equation strong{letter-spacing:-.045em;font-size:25px;line-height:1.15;display:block}.method-equation small{color:#52675d;border-top:1px solid #b8d6cb;margin-top:15px;padding-top:13px;font-size:14px;line-height:1.5;display:block}.method-source-scale{border:1px solid #d3dfd9;border-radius:11px;grid-template-columns:repeat(4,minmax(0,1fr));display:grid;overflow:hidden}.method-source-scale>div{background:#eff8f4;min-height:126px;padding:18px 15px}.method-source-scale>div:nth-child(2){background:#f5f8ef}.method-source-scale>div:nth-child(3){background:#fff8e8}.method-source-scale>div:nth-child(4){background:#fff1ec}.method-source-scale>div+div{border-left:1px solid #d3dfd9}.method-source-scale span{letter-spacing:.85px;color:#52675d;margin-bottom:11px;font-size:9px;font-weight:900;display:block}.method-source-scale strong{font-size:14px;line-height:1.4}.method-formulas{border:1px solid #d1ded7;border-radius:12px;overflow:hidden}.method-formulas p{grid-template-columns:135px 1fr;gap:18px;padding:14px 16px;display:grid;margin:0!important}.method-formulas p+p{border-top:1px solid #dce5e0}.method-formulas span{letter-spacing:.7px;text-transform:uppercase;color:#52675d;font-size:11px;font-weight:900}.method-formulas strong{font-size:14px;line-height:1.42}.method-compare{margin-bottom:110px}.method-compare__track{border:1px solid var(--m-line);background:#fff;border-radius:15px;grid-template-columns:repeat(6,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid;overflow:hidden}.method-compare__track li{min-height:225px;padding:20px 17px;position:relative}.method-compare__track li+li{border-left:1px solid var(--m-line)}.method-compare__track li>span{color:#285f54;background:#dceee8;border-radius:8px;place-items:center;width:33px;height:33px;margin-bottom:35px;font-size:11px;font-weight:900;display:grid}.method-compare__track li:nth-child(4)>span,.method-compare__track li:nth-child(5)>span{color:#715414;background:#f8e6af}.method-compare__track li:nth-child(6)>span{color:#793d2e;background:#f4d7cc}.method-compare__track h3{letter-spacing:-.039em;margin:0 0 9px;font-size:21px;line-height:1.12}.method-compare__track p{color:var(--muted);margin:0;font-size:14px;line-height:1.53}.method-data{margin-bottom:105px}.method-data .method-table-wrap table{min-width:920px}.method-data .method-table-wrap tbody th{width:21%}.method-status{background:#f4e7c5;border:1px solid #dbc993;border-radius:17px;grid-template-columns:.72fr 1.28fr;align-items:start;gap:60px;margin-bottom:75px;padding:34px 36px;display:grid}.method-status h2{letter-spacing:-.064em;margin:13px 0;font-size:clamp(32px,3.8vw,45px);line-height:1.04}.method-status>div>p:last-child{color:#4e594f;margin:0;font-size:16px;line-height:1.58}.method-status__grid{gap:10px;display:grid}.method-status__grid p{background:#fff;border:1px solid #d8ca9e;border-radius:10px;margin:0;padding:15px 16px 15px 44px;position:relative}.method-status__grid p:before{content:"";background:#309766;border-radius:50%;width:14px;height:14px;position:absolute;top:19px;left:16px;box-shadow:0 0 0 4px #e5f4ec}.method-status__grid p[data-state=open]:before{background:#c1942b;box-shadow:0 0 0 4px #fbf1d4}.method-status__grid p[data-state=unknown]:before{background:#b86d58;box-shadow:0 0 0 4px #f8e6df}.method-status__grid span{letter-spacing:.9px;color:#52675d;font-size:9px;font-weight:900;display:block}.method-status__grid strong{margin:4px 0;font-size:17px;line-height:1.3;display:block}.method-status__grid small{color:#53675d;font-size:14px;line-height:1.47}.method-guide .limits{margin-bottom:90px}@media (width<=1080px){.method-router__groups>section{grid-template-columns:190px 1fr}.method-router__groups li>a{grid-template-columns:minmax(160px,.8fr) minmax(0,1.35fr);gap:12px 22px}.method-router__groups li small{grid-column:2}.method-ladder__steps{gap:22px}.method-spec>header{grid-template-columns:180px minmax(0,1fr)}.method-spec>header>a{grid-column:2;width:max-content}.method-spec__body--formula{grid-template-columns:1fr}.method-spec__body--formula>p{grid-column:auto}.method-compare__track{grid-template-columns:repeat(3,minmax(0,1fr))}.method-compare__track li:nth-child(4){border-left:0;border-top:1px solid var(--m-line)}.method-compare__track li:nth-child(5),.method-compare__track li:nth-child(6){border-top:1px solid var(--m-line)}}@media (width<=820px){.method-router__groups>section{grid-template-columns:1fr}.method-router__groups>section>div{border-right:0;border-bottom:1px solid var(--m-line)}.method-router__groups>section>div>span{margin-bottom:17px}.method-ladder__steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:36px}.method-ladder__steps:before{display:none}.method-spec>header{grid-template-columns:1fr;gap:12px}.method-spec>header>a{grid-column:auto}.method-spec__fields{grid-template-columns:repeat(2,minmax(0,1fr))}.method-spec__fields>div:nth-child(3){border-top:1px solid #dbe5e0;border-left:0}.method-spec__fields>div:nth-child(4){border-top:1px solid #dbe5e0}.method-spec__body--split{grid-template-columns:1fr;gap:30px}.method-source-scale{grid-template-columns:repeat(2,minmax(0,1fr))}.method-source-scale>div:nth-child(3){border-top:1px solid #d3dfd9;border-left:0}.method-source-scale>div:nth-child(4){border-top:1px solid #d3dfd9}.method-status{grid-template-columns:1fr;gap:28px}}@media (width<=690px){.method-hero__actions{flex-direction:column;align-items:stretch}.method-hero__actions a{min-height:50px}.method-section-head h2{font-size:35px}.method-section-head>p:last-child{font-size:16px}.method-router,.method-ladder,.method-dictionary,.method-specs,.method-compare,.method-data{margin-bottom:82px}.method-router__groups>section>div{padding:20px}.method-router__groups h3{font-size:24px}.method-router__groups li>a{grid-template-columns:1fr;gap:7px;min-height:0;padding:18px 19px}.method-router__groups li small{grid-column:auto}.method-ladder__steps{grid-template-columns:1fr;gap:29px}.method-ladder__steps li{grid-template-columns:60px 1fr;column-gap:15px;display:grid}.method-ladder__steps li>span{grid-row:1/5;width:56px;height:56px;margin:0;box-shadow:0 0 0 6px #f4f7f5}.method-ladder__steps h3{font-size:22px}.method-ladder__example{font-size:16px}.method-table-wrap:after{content:"Swipe to compare →";color:#54685e;width:max-content;padding:10px 16px;font-size:12px;font-weight:800;display:block;position:sticky;left:0}.method-spec{border-radius:14px}.method-spec>header{padding:21px 19px}.method-spec>header h3{font-size:29px}.method-spec__fields{grid-template-columns:1fr}.method-spec__fields>div{min-height:85px}.method-spec__fields>div+div,.method-spec__fields>div:nth-child(3){border-top:1px solid #dbe5e0;border-left:0}.method-spec__body{padding:23px 20px}.method-spec__body li,.method-spec__body>p,.method-spec__body>div>p{font-size:16px}.method-equation strong{font-size:22px}.method-source-scale{grid-template-columns:1fr}.method-source-scale>div{min-height:95px}.method-source-scale>div+div,.method-source-scale>div:nth-child(3){border-top:1px solid #d3dfd9;border-left:0}.method-formulas p{grid-template-columns:1fr;gap:6px}.method-compare__track{grid-template-columns:1fr}.method-compare__track li{grid-template-columns:40px 1fr;gap:12px;min-height:0;padding:19px 17px;display:grid}.method-compare__track li+li,.method-compare__track li:nth-child(4){border-left:0;border-top:1px solid var(--m-line)}.method-compare__track li>span{grid-row:1/3;width:34px;height:34px;margin:0}.method-status{padding:25px 21px}.method-guide .limits{margin-bottom:78px}}