:root{color-scheme:light;--ink:#202b30;--accent:#173c43;--muted:#617176;--line:#dce3e5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:#fff;color:var(--ink);font-family:Calibri,Arial,sans-serif;font-size:1.1875rem;line-height:1.75;-webkit-font-smoothing:antialiased}.masthead{border-bottom:1px solid var(--line)}.masthead-inner{max-width:860px;margin:auto;padding:20px 36px}.wordmark{display:inline-flex;align-items:center;gap:11px;font:600 .9375rem/1.4 Calibri,Arial,sans-serif;letter-spacing:.02em;color:var(--accent);text-decoration:none}.mark{display:grid;place-items:center;background:var(--accent);color:white;border-radius:5px;width:29px;height:32px;font:20px Calibri,Arial,sans-serif}main{max-width:860px;margin:auto;padding:42px 36px 80px}h1{font-size:clamp(1.55rem,3vw,2rem);line-height:1.35;font-weight:600;letter-spacing:0;color:var(--ink);margin:0 0 30px;max-width:760px}h2{font-size:1.4rem;line-height:1.4;letter-spacing:0;font-weight:600;color:var(--ink);margin:2.35rem 0 1.1rem}h3{font-family:Calibri,Arial,sans-serif;font-size:1.18rem;line-height:1.45;font-weight:600;color:var(--ink);margin:2rem 0 .9rem}p{margin:0 0 1.15rem}strong{font-weight:700}em{font-style:italic}ul,ol{padding-left:1.5rem;margin:1.2rem 0 1.6rem}li{padding-left:.25rem;margin:.35rem 0}hr{border:0;border-top:1px solid var(--line);margin:2.75rem 0}a:focus-visible{outline:3px solid #397786;outline-offset:5px}.skip{position:absolute;top:-100px;left:12px;background:white;color:var(--accent);padding:8px 14px;z-index:10}.skip:focus{top:8px}::selection{background:#d9eaed} @media(max-width:600px){.masthead-inner{padding:16px 22px}main{padding:38px 22px 65px}body{font-size:1.0625rem;line-height:1.75}h1{margin-bottom:32px}h2{font-size:1.3rem}hr{margin:2rem 0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{.masthead,.skip{display:none}main{max-width:none;padding:0}body{font-size:11pt;color:#000}h1{font-size:19pt}h2{font-size:14pt;break-after:avoid}h3{break-after:avoid}p{orphans:3;widows:3}}
.masthead-inner{display:flex;justify-content:space-between;align-items:center;gap:14px}.chat-nav{font:600 .9375rem/1.4 Calibri,Arial,sans-serif;color:var(--accent);text-decoration:none}.chat-nav:hover{text-decoration:underline}
/* Small-screen reading and safe-area spacing. */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{overflow-wrap:break-word}
.wordmark,.chat-nav{min-height:44px}
.chat-nav{display:inline-flex;align-items:center;white-space:nowrap}
@media screen and (max-width:600px){
  .masthead-inner{padding:10px max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left));min-height:64px}
  main{padding:30px max(18px,env(safe-area-inset-right)) 64px max(18px,env(safe-area-inset-left))}
  h1{line-height:1.3;margin-bottom:27px}
  h2{line-height:1.38}
  ul,ol{padding-left:1.35rem}
}
@media screen and (max-width:350px){.masthead-inner{gap:8px}.chat-nav{font-size:.875rem}.wordmark{font-size:.875rem}}
/* Keep the audience designation visible while reading the letter. */
.confidential-banner{position:sticky;top:0;z-index:20;background:#25414a;color:#fff;text-align:center;font:700 14px/1.35 Calibri,Arial,sans-serif;letter-spacing:.025em;padding:8px max(14px,env(safe-area-inset-right)) 8px max(14px,env(safe-area-inset-left))}
.skip:focus{z-index:30}
@media print{.confidential-banner{position:static;background:#fff;color:#000;border:1px solid #333}}
/* Discourage ordinary selection and long-press copy actions. */
html,body,body *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
/* Print preview contains a notice rather than the letter. */
@media print{
  body > *{display:none!important}
  body::before{content:"Printing is disabled for this confidential material.";display:block!important;padding:24px;font:16pt Calibri,Arial,sans-serif;color:#000}
}