/* System font stack: no font request to another service. */
:root{color-scheme:light;--ink:#163633;--muted:#516d68;--line:#d7e2db;--paper:#f7f8f1;--cream:#fffef8;--green:#183d37;--lime:#d8ef6b;--accent:#d86b49;--shadow:0 24px 65px rgba(20,47,39,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;line-height:1.65}a{color:inherit}button,input{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Manrope,system-ui,sans-serif;line-height:1.16;letter-spacing:-.045em}h1{font-size:clamp(2.7rem,6vw,5.7rem);font-weight:800}h2{font-size:clamp(2rem,3.6vw,3.25rem);font-weight:800}h3{font-size:1.38rem;font-weight:800}.wrap{width:min(1180px,calc(100% - 44px));margin-inline:auto}.skip{position:absolute;left:16px;top:-80px;background:white;z-index:100;padding:10px 14px}.skip:focus{top:16px}.header{background:var(--cream);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:30px;min-height:84px}.logo{text-decoration:none;display:flex;gap:11px;align-items:center;font:800 1.08rem Manrope,sans-serif;letter-spacing:-.04em;line-height:1.1;white-space:nowrap}.logo-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:11px;background:var(--green);color:var(--lime);font-size:1.55rem}.logo-mark span{color:var(--accent)}.logo small{display:block;font:700 .56rem 'DM Sans',sans-serif;letter-spacing:.14em;color:var(--muted);margin-top:5px}.primary{display:flex;align-items:center;gap:19px;margin-left:auto}.primary a,.languages a,.footer a{text-decoration:none}.primary a{font-size:.88rem;font-weight:700}.primary a:hover,.footer a:hover,.text-link:hover{text-decoration:underline}.languages{display:flex;gap:3px;border:1px solid var(--line);border-radius:100px;padding:3px;white-space:nowrap}.languages a{font-size:.76rem;padding:6px 10px;border-radius:100px;font-weight:700}.languages a[aria-current]{background:var(--green);color:#fff}.hero{display:grid;grid-template-columns:1fr .88fr;gap:40px;min-height:640px;align-items:center;padding-block:84px 90px}.hero h1{max-width:720px}.lead{font-size:clamp(1.08rem,1.7vw,1.35rem);color:var(--muted);max-width:760px;line-height:1.65}.hero .lead{max-width:630px}.eyebrow{display:block;text-transform:uppercase;letter-spacing:.15em;font-size:.74rem;font-weight:800;color:#557468;margin-bottom:22px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}.button{border:1px solid var(--green);border-radius:100px;background:var(--green);color:white;text-decoration:none;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;min-height:49px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px);background:#28564b}.button-ghost{background:transparent;color:var(--green)}.button-ghost:hover{background:#e4ede2}.hero-visual{position:relative;min-height:470px;border-radius:40px;background:#e5eecf;overflow:hidden;display:grid;place-items:center;border:1px solid #cbdab8}.hero-visual:before{content:'';position:absolute;width:280px;height:280px;border-radius:50%;background:#d7eab0;filter:blur(35px);right:3%;top:-15%}.orbit{position:absolute;border:1px solid #b5caad;border-radius:50%;width:430px;height:430px}.orbit-one{transform:rotate(30deg) scaleY(.76)}.orbit-two{transform:rotate(-35deg) scaleY(.68)}.energy-disc{position:relative;width:230px;height:230px;border-radius:50%;background:var(--green);color:white;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;flex-direction:column;transform:rotate(-7deg)}.energy-disc span{font:800 3.4rem Manrope,sans-serif;letter-spacing:-.08em}.energy-disc b{font-size:1.2rem;color:#c4d9cb}.energy-disc em{font:800 1.5rem Manrope,sans-serif;color:var(--lime);font-style:normal}.hero-note{position:absolute;bottom:26px;left:25px;right:25px;background:#fffdf1;border:1px solid #d5e1ca;border-radius:20px;padding:18px 21px;box-shadow:0 16px 40px #17392317}.hero-note strong{font:800 1rem Manrope,sans-serif}.hero-note p{font-size:.88rem;color:var(--muted);line-height:1.5;margin:5px 0 0}.steps{background:var(--green);color:#fff;padding:70px 0 76px}.steps .eyebrow{color:var(--lime)}.steps h2{max-width:700px}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}.step-grid>div{padding:24px 22px;border:1px solid #547168;border-radius:18px;min-height:150px}.step-grid b{display:block;color:var(--lime);font:800 1.2rem Manrope,sans-serif}.step-grid p{font-size:1.08rem;margin:14px 0 0;max-width:280px}.section{padding-block:95px}.section-head{max-width:760px;margin-bottom:34px}.section-head p:not(.eyebrow){font-size:1.08rem;color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.tool-card{min-height:300px;border-radius:25px;background:#fffef8;border:1px solid var(--line);padding:34px;display:flex;flex-direction:column;align-items:flex-start}.tool-card:nth-child(2){background:#e3ecdf}.tool-card>span,.card-number{font-size:.75rem;font-weight:800;letter-spacing:.12em;color:#6b8174}.tool-card h3{font-size:2rem;margin:36px 0 10px;max-width:410px}.tool-card p{color:var(--muted);max-width:450px}.tool-card .button{margin-top:auto}.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.article-card{border:1px solid var(--line);border-radius:21px;background:var(--cream);padding:29px 30px;min-height:220px}.article-card h3{margin:20px 0 11px}.article-card h3 a{text-decoration:none}.article-card h3 a:hover{text-decoration:underline}.article-card p{color:var(--muted);margin:0 0 20px}.text-link{font-weight:800;text-decoration:none;color:#1d5b4d}.trust{padding:28px 35px 50px;border-top:1px solid var(--line);margin-bottom:70px}.trust .eyebrow{margin-bottom:8px}.trust p{font:700 clamp(1.2rem,2.3vw,1.9rem) Manrope,sans-serif;max-width:860px}.footer{background:#102a2b;color:#eff5eb;padding:55px 0 20px}.footer-grid{display:flex;justify-content:space-between;gap:30px}.footer-grid>div{max-width:470px}.footer-grid strong{font:800 1.4rem Manrope,sans-serif}.footer-grid p{color:#b9d0c7}.footer-grid nav{display:grid;grid-template-columns:repeat(2,auto);gap:9px 25px;align-content:start}.footline{display:flex;justify-content:space-between;border-top:1px solid #4d6861;margin-top:40px;padding-top:17px;color:#a5beb4;font-size:.76rem}.crumb{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:.84rem;margin:47px 0}.crumb a{text-decoration:none}.crumb a:hover{text-decoration:underline}.article-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(220px,1fr);gap:70px;padding-bottom:120px}.article-header{padding:15px 0 30px;border-bottom:1px solid var(--line)}.article-header h1,.tool-heading h1,.info-page h1{font-size:clamp(2.55rem,4.4vw,4.25rem)}.article-header .lead{max-width:680px}.byline{color:#71877a;font-size:.8rem;font-weight:700;margin:26px 0 0}.prose{font-size:1.08rem;line-height:1.85}.prose-section{padding:31px 0 5px}.prose-section h2{font-size:1.8rem;margin-bottom:13px}.prose-section p{color:#354e49}.example,.mistake{margin:35px 0 15px;border-radius:18px;padding:26px 29px}.example{background:#e2edcd;border-left:5px solid #7fa13f}.example .eyebrow{margin:0;color:#497137}.example p{font-weight:700;margin:11px 0 0}.mistake{background:#fcece5;border-left:5px solid var(--accent)}.mistake strong{font-family:Manrope,sans-serif}.mistake p{margin:8px 0 0}.references{padding:23px 0}.references h2{font-size:1.8rem}.source-list{padding-left:20px;line-height:1.55}.source-list li{margin:12px 0}.source-list a{color:#145b4b}.next-guide{border-top:1px solid var(--line);padding:28px 0;display:grid;gap:7px}.next-guide span{font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.next-guide a{font:800 1.2rem Manrope,sans-serif;text-decoration:none}.next-guide a:hover{text-decoration:underline}.article-aside{padding-top:160px}.aside-panel{border:1px solid var(--line);background:#fffef8;border-radius:19px;padding:23px;margin-bottom:15px}.aside-panel h2{font-size:1.2rem}.aside-panel p{font-size:.88rem;color:var(--muted)}.tool-layout{padding-bottom:110px}.tool-heading{max-width:800px;margin:30px 0 45px}.calculator-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.calc-form,.calc-result{padding:36px;border:1px solid var(--line);border-radius:25px}.calc-form{background:#fffef8}.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.field{display:grid;gap:7px;font-weight:700;font-size:.87rem}.field input{width:100%;min-height:48px;border:1px solid #b7cbc1;border-radius:10px;background:#fff;color:var(--ink);padding:10px 12px}.field input:focus{outline:3px solid #c9e69d;border-color:#618958}.calc-form .button{margin-top:26px}.calc-result{background:var(--green);color:#fff;min-height:305px;align-self:stretch}.calc-result .eyebrow{color:var(--lime)}.calc-result strong{display:block;font:800 clamp(2.5rem,4vw,4.5rem) Manrope,sans-serif;letter-spacing:-.06em;line-height:1.1;margin:17px 0}.calc-result p{color:#c8dbd0}.calc-result ul{padding-left:19px;color:#deecdf}.calc-result li{margin:7px 0}.calc-result small{color:#c2d6cc}.tool-notes{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin-top:45px}.tool-notes h2{font-size:1.5rem}.tool-notes p{color:var(--muted)}.info-page{max-width:840px;padding-bottom:110px}.info-page>.lead{margin-bottom:35px}.info-page .prose{border-top:1px solid var(--line)}:focus-visible{outline:3px solid #9fbd5f;outline-offset:3px}
@media(max-width:1050px){.header-inner{flex-wrap:wrap;padding:16px 0;gap:13px}.primary{order:3;width:100%;justify-content:flex-start;margin-left:0;flex-wrap:wrap}.languages{margin-left:auto}.hero{grid-template-columns:1fr 1fr}.article-layout{gap:30px}.article-aside{padding-top:150px}}
@media(max-width:760px){.wrap{width:min(100% - 32px,1180px)}.header-inner{min-height:0}.primary{gap:10px 18px}.primary a{font-size:.78rem}.languages a{font-size:.72rem}.hero{grid-template-columns:1fr;gap:34px;padding-block:63px}.hero-visual{min-height:430px}.hero h1{font-size:clamp(2.7rem,10vw,4.5rem)}.step-grid,.tool-grid,.article-grid,.calculator-layout,.tool-notes,.article-layout{grid-template-columns:1fr}.steps{padding:60px 0}.step-grid{gap:10px}.step-grid>div{min-height:100px}.section{padding-block:68px}.tool-card{min-height:280px}.article-card{min-height:0}.article-aside{padding-top:0}.article-layout{padding-bottom:70px}.article-header h1,.tool-heading h1,.info-page h1{font-size:clamp(2.55rem,8vw,4rem)}.crumb{margin:34px 0}.footer-grid{display:grid}.footer-grid nav{justify-content:start}.footline{gap:20px}.tool-layout{padding-bottom:70px}.calc-form,.calc-result{padding:25px}}
@media(max-width:470px){.logo{font-size:.92rem}.logo-mark{width:35px;height:35px}.languages{width:100%;justify-content:center}.primary{justify-content:space-between}.primary a{font-size:.72rem}.hero-visual{min-height:410px}.energy-disc{width:195px;height:195px}.energy-disc span{font-size:2.9rem}.hero-note{left:14px;right:14px;bottom:13px;padding:15px}.field-grid{grid-template-columns:1fr}.footline{flex-direction:column}.article-card,.tool-card{padding:25px}.calc-result strong{font-size:2.5rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}