:root{--trail-paper:#f6f1e7;--map-cream:#fffaf0;--charcoal:#202724;--charcoal-soft:#4d5752;--ranger-blue:#2f7188;--signal-coral:#df5b3d;--map-yellow:#f3c95b;--fern:#315f48;--line:#c8c2b5;--display:"Arial Rounded MT Bold", "Trebuchet MS", sans-serif;--body:"Trebuchet MS", Verdana, sans-serif;--utility:Consolas, "Courier New", monospace;color:var(--charcoal);background:var(--trail-paper);font-family:var(--body);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--trail-paper);min-width:320px;min-height:100vh;margin:0;line-height:1.65}a{color:var(--ranger-blue);text-underline-offset:.2em}a:hover{color:var(--signal-coral)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--signal-coral);outline-offset:3px}h1,h2,h3{font-family:var(--display);text-wrap:balance}h1{letter-spacing:-.065em;margin:.35rem 0 1.5rem;font-size:clamp(3.2rem,8vw,7.3rem);line-height:.88}h2{letter-spacing:-.04em;margin:.2rem 0 1rem;font-size:clamp(2rem,4.4vw,4rem);line-height:1}h3{margin:.5rem 0 .65rem;font-size:1.25rem;line-height:1.15}p{max-width:70ch}button,input,select,textarea{font:inherit}.shell{width:min(1160px,100% - 2.5rem);margin-inline:auto}.skip-link{z-index:100;background:var(--charcoal);color:#fff;padding:.65rem 1rem;position:fixed;top:.75rem;left:.75rem;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header{border-bottom:1px solid var(--charcoal);background:#f6f1e7f0}.site-header__inner{justify-content:space-between;align-items:center;gap:2rem;min-height:5rem;display:flex}.brand{color:var(--charcoal);font-family:var(--utility);letter-spacing:.06em;align-items:stretch;font-size:.9rem;font-weight:800;line-height:1;text-decoration:none;display:inline-flex}.brand span,.brand b{padding:.48rem .55rem}.brand span{border:2px solid var(--charcoal)}.brand b{background:var(--charcoal);color:var(--trail-paper)}.site-header nav,.site-footer nav{flex-wrap:wrap;gap:.7rem 1.4rem;display:flex}.site-header nav a,.site-footer nav a{color:var(--charcoal);font-family:var(--utility);letter-spacing:.06em;text-transform:uppercase;font-size:.74rem;font-weight:700;text-decoration:none}.site-header nav a:hover,.site-footer nav a:hover{color:var(--signal-coral)}.hero{grid-template-columns:1.1fr .9fr;align-items:center;gap:clamp(2.5rem,7vw,7rem);min-height:44rem;padding-block:6rem;display:grid}.hero__copy{z-index:2;position:relative}.hero h1 em{color:var(--signal-coral);font-style:normal}.kicker,.breadcrumb,.guide-card__status,.article-stamp,.source-list span{font-family:var(--utility);letter-spacing:.11em;text-transform:uppercase;font-size:.72rem;font-weight:800}.kicker{color:var(--signal-coral)}.lede{color:var(--charcoal-soft);font-size:clamp(1.08rem,2.1vw,1.35rem)}.button-row{flex-wrap:wrap;gap:.75rem;margin-top:2rem;display:flex}.button{border:2px solid var(--charcoal);background:var(--charcoal);color:#fff;cursor:pointer;justify-content:center;align-items:center;min-height:3rem;padding:.7rem 1.05rem;font-weight:800;text-decoration:none;display:inline-flex}.button:hover{background:var(--signal-coral);color:#fff}.button--quiet{color:var(--charcoal);background:0 0}.signal-map{aspect-ratio:1;isolation:isolate;place-items:center;max-width:32rem;display:grid;position:relative}.signal-map:before{z-index:-2;content:"";background:repeating-radial-gradient(circle at 48% 51%,#0000 0 30px,#20272414 31px 32px);border-radius:48% 52% 45% 55%;position:absolute;inset:3%;transform:rotate(-7deg)}.signal-map__label{background:var(--map-yellow);font-family:var(--utility);letter-spacing:.08em;padding:.35rem .5rem;font-size:.68rem;font-weight:800;position:absolute;top:4%;right:4%}.signal-ring{border:2px dashed var(--ranger-blue);border-radius:50%;position:absolute}.signal-ring--1{width:32%;height:32%}.signal-ring--2{opacity:.66;width:58%;height:58%}.signal-ring--3{opacity:.3;width:84%;height:84%}.signal-node{background:var(--signal-coral);color:#fff;width:7rem;height:7rem;font-family:var(--utility);letter-spacing:.05em;text-align:center;text-transform:uppercase;border-radius:50%;place-items:center;font-weight:800;line-height:1.1;display:grid}.signal-map>p{border:1px solid var(--charcoal);background:var(--map-cream);width:min(18rem,70%);box-shadow:.5rem .5rem 0 var(--map-yellow);margin:0;padding:1rem;font-size:.83rem;position:absolute;bottom:0;right:0}.update-strip{border-block:1px solid var(--charcoal);background:var(--map-yellow)}.update-strip__inner{grid-template-columns:auto 1fr auto;align-items:center;gap:1.5rem;padding-block:1rem;display:grid}.update-strip b{font-family:var(--utility);text-transform:uppercase;font-size:.74rem}.update-strip p{margin:0;font-size:.88rem}.update-strip a{color:var(--charcoal);font-weight:800}.section{padding-block:7rem}.section-heading{grid-template-columns:1fr minmax(18rem,.55fr);align-items:end;gap:2rem;margin-bottom:3rem;display:grid}.section-heading>p{color:var(--charcoal-soft)}.guide-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;display:grid}.guide-card{border:1px solid var(--charcoal);background:var(--map-cream);min-height:18rem;color:var(--charcoal);flex-direction:column;padding:1.4rem;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex;position:relative}.guide-card:hover{color:var(--charcoal);box-shadow:.55rem .55rem 0 var(--ranger-blue);transform:translate(-.2rem,-.2rem)}.guide-card__marker{color:var(--line);font-family:var(--utility);font-size:2.4rem;font-weight:800;line-height:1;position:absolute;top:1rem;right:1rem}.guide-card__status{width:fit-content;max-width:74%;color:var(--fern);margin-bottom:2.5rem}.guide-card p{color:var(--charcoal-soft);font-size:.9rem}.guide-card__action{border-top:1px solid var(--line);font-family:var(--utility);margin-top:auto;padding-top:1rem;font-size:.75rem;font-weight:800}.guide-card--lfg{background:var(--ranger-blue);color:#fff}.guide-card--lfg:hover{color:#fff;box-shadow-color:var(--signal-coral)}.guide-card--lfg p,.guide-card--lfg .guide-card__status{color:#e6f2f5}.guide-card--lfg .guide-card__action{border-color:#ffffff59}.split-section{border-top:1px solid var(--charcoal);grid-template-columns:.8fr 1.2fr;gap:4rem;display:grid}.principles{border-top:1px solid var(--charcoal);gap:0;display:grid}.principles article{border-bottom:1px solid var(--charcoal);grid-template-columns:3rem 1fr;column-gap:1rem;padding:1.4rem 0;display:grid}.principles article>b{color:var(--signal-coral);font-family:var(--utility);grid-row:1/span 2}.principles h3,.principles p{margin-top:0}.article-shell{max-width:980px;padding-bottom:7rem}.article-header{padding-block:5.5rem 4rem}.article-header h1{max-width:900px;font-size:clamp(3rem,7vw,6.4rem)}.breadcrumb{color:var(--charcoal-soft)}.article-stamp{color:var(--fern);flex-wrap:wrap;gap:.5rem 1.2rem;margin:2rem 0 .8rem;display:flex}.direct-answer{border:2px solid var(--charcoal);background:var(--map-yellow);box-shadow:.7rem .7rem 0 var(--charcoal);margin-bottom:4rem;padding:2rem clamp(1.4rem,4vw,3rem)}.direct-answer p:last-child{max-width:68ch;margin-bottom:0;font-size:1.16rem;font-weight:700}.diagnosis-grid{border:1px solid var(--charcoal);background:var(--charcoal);grid-template-columns:repeat(3,1fr);gap:1px;margin:5rem 0;display:grid}.diagnosis-grid article{background:var(--map-cream);padding:1.4rem}.diagnosis-grid h2{letter-spacing:-.02em;font-size:1.25rem}.diagnosis-grid p{margin-bottom:0;font-size:.9rem}.article-section{border-top:1px solid var(--charcoal);padding-block:4rem}.fix-steps{counter-reset:fix-step;margin:2rem 0 0;padding:0;list-style:none}.fix-steps li{counter-increment:fix-step;grid-template-columns:4.4rem 1fr;display:grid}.fix-steps li:before{color:var(--signal-coral);font-family:var(--utility);content:counter(fix-step, decimal-leading-zero);padding-top:1.6rem;font-size:1.25rem;font-weight:800}.fix-steps li>div{border-bottom:1px solid var(--line);padding:1.4rem 0}.fix-steps h3,.fix-steps p{margin-top:0}.caveat{border-left:.5rem solid var(--signal-coral);background:#eee5da;margin:2rem 0 5rem;padding:1.4rem}.caveat b{font-family:var(--utility);letter-spacing:.08em;text-transform:uppercase;font-size:.75rem}.caveat p{margin-bottom:0}.source-list{margin:1.5rem 0;padding:0;list-style:none}.source-list li{border-bottom:1px solid var(--line);grid-template-columns:7.5rem 1fr;gap:1rem;padding:.8rem 0;display:grid}.source-list span{color:var(--fern)}.source-note{color:var(--charcoal-soft);font-size:.84rem}.related-links{grid-template-columns:repeat(2,1fr);gap:1rem;display:grid}.related-links a{border:1px solid var(--charcoal);color:var(--charcoal);justify-content:space-between;gap:1rem;padding:1.2rem;font-weight:800;text-decoration:none;display:flex}.related-links a:hover{background:var(--charcoal);color:#fff}.prose-page section{border-top:1px solid var(--line);max-width:72ch;padding-block:2rem}.prose-page section h2{font-size:clamp(1.8rem,4vw,2.8rem)}.not-found{min-height:66vh;padding-block:8rem}.lfg-builder{border:1px solid var(--charcoal);background:var(--charcoal);grid-template-columns:1.05fr .95fr;gap:1px;margin-bottom:5rem;display:grid}.lfg-form{background:var(--map-cream);grid-template-columns:1fr 1fr;gap:1rem;padding:2rem;display:grid}.lfg-form label{color:var(--charcoal-soft);font-family:var(--utility);letter-spacing:.06em;text-transform:uppercase;gap:.35rem;font-size:.72rem;font-weight:800;display:grid}.lfg-form label.wide{grid-column:1/-1}.lfg-form input,.lfg-form select,.lfg-form textarea{border:1px solid var(--charcoal);width:100%;color:var(--charcoal);font-family:var(--body);text-transform:none;background:#fff;border-radius:0;padding:.7rem;font-size:.92rem}.lfg-form .button{width:fit-content}.lfg-output{background:var(--ranger-blue);color:#fff;min-width:0;padding:2rem}.lfg-output .kicker{color:var(--map-yellow)}.lfg-output pre{overflow-wrap:anywhere;white-space:pre-wrap;min-height:18rem;font-family:var(--utility);background:#0000002e;padding:1rem;font-size:.82rem}.lfg-output .button--quiet{color:#fff;border-color:#fff}.lfg-output .button:disabled{cursor:not-allowed;opacity:.45}.safety-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.safety-grid article{border:1px solid var(--charcoal);padding:1.3rem}.safety-grid h2{font-size:1.25rem}.site-footer{border-top:1px solid var(--charcoal);background:#e7dfd2}.footer-grid{grid-template-columns:1fr 1fr;gap:3rem;padding-block:3rem;display:grid}.brand--footer{width:fit-content}.footer-grid nav{place-content:start end}.footer-grid p:not(.brand){color:var(--charcoal-soft);font-size:.85rem}@media (width<=900px){.hero,.split-section,.lfg-builder{grid-template-columns:1fr}.hero{padding-block:5rem}.signal-map{width:min(32rem,100%);margin-inline:auto}.guide-grid{grid-template-columns:repeat(2,1fr)}.update-strip__inner{grid-template-columns:1fr;gap:.35rem}.section-heading{grid-template-columns:1fr}}@media (width<=620px){.site-header__inner{flex-direction:column;align-items:flex-start;padding-block:1rem}.guide-grid,.diagnosis-grid,.related-links,.safety-grid,.footer-grid{grid-template-columns:1fr}.lfg-form{grid-template-columns:1fr;padding:1.25rem}.lfg-form label.wide{grid-column:auto}.signal-map>p{width:78%}.fix-steps li{grid-template-columns:3.2rem 1fr}.source-list li{grid-template-columns:1fr;gap:.2rem}.footer-grid nav{justify-content:start}}@media (prefers-reduced-motion:no-preference){.signal-ring--1{animation:2.8s ease-in-out infinite breathe}@keyframes breathe{50%{opacity:.65;transform:scale(1.08)}}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}