@font-face{font-family:"Archivo";src:url(/fonts/archivo.woff2) format("woff2");font-weight:800 900;font-stretch:112% 118%;font-display:optional}
@font-face{font-family:"Manrope";src:url(/fonts/manrope-400.woff2) format("woff2");font-weight:400;font-display:optional}
@font-face{font-family:"Manrope";src:url(/fonts/manrope-700.woff2) format("woff2");font-weight:700;font-display:optional}
@font-face{font-family:"JetBrains Mono";src:url(/fonts/jbmono-500.woff2) format("woff2");font-weight:500;font-display:optional}
@font-face{font-family:"JetBrains Mono";src:url(/fonts/jbmono-700.woff2) format("woff2");font-weight:700;font-display:optional}

:root{
  --forest:#0d4134;--forest-2:#0a3329;--sage:#79a68c;--cream:#f6f2ea;
  --bg:#f6f2ea;--surface:#fff;--fg:#0f2a22;--muted:#4f6a60;--line:#d9d6cc;
  --eyebrow:#2f6b52;--link:#1f6e45;--code:#ebe6da;
  --display:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{--bg:#08201a;--surface:#0e2c24;--fg:#eef0ea;--muted:#a9bfb5;--line:#1f4438;--eyebrow:#9fd0b3;--link:#9fd0b3;--code:#123a2f;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.7 var(--body)}
img{max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);font-stretch:112%;letter-spacing:-.015em;text-wrap:balance;line-height:1.1}
.eyebrow,.tag{display:inline-block;font:500 12px/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--eyebrow)}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--sage);color:#06231b;font:700 16px var(--body);text-decoration:none;padding:14px 22px;border-radius:6px;transition:background .15s}
.btn:hover{background:#8fbca1}
.btn svg{width:18px;height:18px;flex:none}
a:focus-visible,.btn:focus-visible,input:focus-visible{outline:3px solid var(--sage);outline-offset:3px}

.risk-bar{background:var(--forest-2);color:#c7d8cf;font:500 11px/1.4 var(--mono);letter-spacing:.08em;text-align:center;padding:9px 16px}
header{position:sticky;top:0;z-index:10;background:var(--forest);color:var(--cream);border-bottom:1px solid #1d5646}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 20px var(--display);font-stretch:118%}
nav{display:flex;gap:28px;font-size:14px}
nav a{text-decoration:none;color:#dbe7e0}nav a:hover{color:#fff}
header .btn{padding:10px 16px;font-size:14px}
@media(max-width:820px){nav{display:none}}

.blog-hero{background:var(--forest);color:var(--cream)}
.blog-hero .wrap{padding-block:64px 72px}
.blog-hero .eyebrow{color:#a6d4b8}
.blog-hero h1{font-size:clamp(38px,6vw,68px);font-weight:900;margin:14px 0 16px;max-width:16ch;line-height:1.02}
.blog-hero p{color:#d3e1d9;max-width:56ch;margin:0;font-size:18px}
.list{padding-block:56px 80px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:22px;text-decoration:none;min-width:0;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--sage);transform:translateY(-2px)}
.card h3{margin:0;font-size:21px;font-weight:800}
.card p{margin:0;color:var(--muted);font-size:15px;line-height:1.55}
.card .meta{margin-top:auto;font:500 12px var(--mono);color:var(--muted)}
@media(max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}

.post{max-width:760px;padding-block:40px 24px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:28px}
.crumbs a{color:var(--link)}
.post h1{font-size:clamp(32px,5vw,50px);font-weight:900;margin:12px 0 14px}
.post .meta{color:var(--muted);font-size:14px;margin:0 0 32px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.prose h2{font-size:28px;font-weight:800;margin:44px 0 12px}
.prose h3{font-size:21px;font-weight:800;margin:28px 0 8px}
.prose p,.prose ul,.prose ol{margin:0 0 18px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:6px}
.prose a{color:var(--link);text-underline-offset:3px}
.prose code{font:500 .88em var(--mono);background:var(--code);padding:2px 6px;border-radius:4px}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums;white-space:nowrap}
.prose th{font:700 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.formula{font:700 16px/1.5 var(--mono);background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--sage);border-radius:6px;padding:14px 18px;overflow-x:auto}
.disclaimer{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:36px}

.calc{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:22px;margin:8px 0 28px}
.calc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.calc label{display:grid;gap:6px;font-size:14px;font-weight:700}
.calc input{font:500 16px var(--mono);padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg);width:100%}
.calc-out{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.calc-out span{display:block;font-size:13px;color:var(--muted)}
.calc-out b{font:800 30px var(--display);font-stretch:112%;color:var(--link)}
.calc-note{font-size:13px;color:var(--muted);margin:14px 0 0!important}
@media(max-width:520px){.calc-grid{grid-template-columns:1fr}}

.cta-box{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;background:var(--forest);color:var(--cream);border-radius:12px;padding:28px;margin:44px 0 24px}
.cta-box h2{margin:0 0 6px;font-size:26px;font-weight:900}
.cta-box p{margin:0;color:#c7d8cf;max-width:44ch;font-size:15px}
.related{padding-block:16px 80px;max-width:1120px}
.related h2{font-size:28px;font-weight:900;margin:0 0 20px}

footer{background:var(--forest-2);color:#b9cfc3;font-size:13px}
footer .wrap{padding-block:48px;display:grid;gap:28px}
footer h2{color:var(--cream);font:700 12px var(--mono);letter-spacing:.1em;margin:0}
footer p{max-width:90ch;margin:8px 0 0}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid #1d5646;padding-top:20px}

/* standalone pages */
.crumbs-dark{color:#b9cfc3;margin-bottom:22px}
.crumbs-dark a{color:#dbe7e0}
.page{padding-block:48px 72px}
.page .prose{max-width:760px}
.page .prose.wide{max-width:none}
.page .prose.wide p,.page .prose.wide ul{max-width:760px}
.trades{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:8px 0 24px}
.trade{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;min-width:0}
.trade img{display:block;width:100%;aspect-ratio:590/900;object-fit:cover;background:#fff}
.trade figcaption{padding:14px 16px;display:grid;gap:4px}
.trade b{font:800 24px var(--display);font-stretch:112%;color:var(--link)}
@media(max-width:900px){.trades{grid-template-columns:repeat(2,1fr)}}
@media(max-width:420px){.trades{grid-template-columns:1fr}}
.mailline{font-family:var(--mono);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px 16px}
.faqlist{max-width:820px}
.faqlist details{border-bottom:1px solid var(--line);padding-block:20px}
.faqlist summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font:700 19px var(--body)}
.faqlist summary::-webkit-details-marker{display:none}
.faqlist summary::after{content:"+";font:500 24px var(--mono);color:var(--eyebrow);line-height:1}
.faqlist details[open] summary::after{content:"\2212 "}
.faqlist details p{margin:10px 0 0;color:var(--muted);max-width:62ch}
.more{color:var(--muted);margin-top:28px}
.more a{color:var(--link)}