.blood-renewal-note{max-width:850px;margin:0 auto 28px;padding:18px 22px;border-left:4px solid #a8503a;background:#f4eee5;color:#3d4436}
.blood-letter-section{padding:68px 0;background:#ece6dc;border-bottom:1px solid #d8cbb7}
.blood-letter-wrap{max-width:920px;margin:0 auto}
.blood-letter-sheet{padding:clamp(24px,5vw,68px);background:#fffdf8;border:1px solid #d7c8ad;box-shadow:0 18px 44px #33271618;color:#352e26}
.blood-letter-heading{text-align:center;padding-bottom:25px;border-bottom:1px solid #c8ae7c}
.blood-letter-heading .study-kicker{color:#7b6443}
.blood-letter-heading h2{margin:12px 0 8px;color:#3d372d;font:400 clamp(2rem,4vw,3.1rem)/1.12 Georgia,'Times New Roman',serif}
.blood-letter-heading p{margin:5px 0;color:#6d6252}
.blood-letter-recipient{margin:27px 0 18px;color:#5b5144;font-family:Georgia,'Times New Roman',serif;font-size:1rem;line-height:1.65}
.blood-letter-body{font:400 1rem/1.82 Georgia,'Times New Roman',serif;color:#332f29}
.blood-letter-body p{margin:0 0 1.2em;color:inherit}
.blood-letter-body strong{color:#813a2a;font-weight:700}
.blood-letter-body strong.letter-highlight{padding:0 .14em;background:#ffec83;color:#332c1f;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.blood-study-page .study-hero:before{background:linear-gradient(90deg,#14291fb3 0%,#173a2b59 46%,#173a2b0d 100%),url('/assets/tropical-fruit-macro.webp') center/cover}
.study-page.blood-study-page .study-hero{background:#173a2b!important;color:#fff!important;border-bottom:0}
.study-page.blood-study-page .study-hero:before{background-image:linear-gradient(90deg,#14291fbd 0%,#173a2b75 43%,#173a2b15 100%),url('/assets/tropical-fruit-macro.webp');background-position:center;background-size:cover;background-repeat:no-repeat}
.study-page.blood-study-page .study-hero .eyebrow{color:#f0ce88}
.study-page.blood-study-page .study-hero h1{color:#fff}
.study-page.blood-study-page .study-hero p{color:#f4f2e9}
.study-page.blood-study-page .study-hero .study-meta{color:#f0dda9!important}
.blood-study-page .study-hero:before{background:linear-gradient(90deg,#112b1fbd 0%,#173a2b6e 44%,#173a2b12 100%),url('/assets/tropical-fruit-macro.webp') center/cover}
.blood-letter-source{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:30px;padding-top:18px;border-top:1px solid #ded3c1;color:#665a49;font-size:.84rem}
.blood-letter-source a{color:#704b27;text-decoration:underline;text-underline-offset:3px}
.about-founder-quote{padding:68px 0;background:#e8efe8;border-block:1px solid #d3dfd2}
.about-founder-quote-inner{max-width:980px;margin:auto;padding:clamp(24px,5vw,56px);background:#fff;border-left:4px solid #ad694f;box-shadow:0 14px 36px #24372b12}
.about-founder-quote blockquote{margin:18px 0;color:#263b2d;font:400 clamp(1.25rem,2.2vw,1.8rem)/1.55 Georgia,'Times New Roman',serif}
.about-founder-quote cite{display:block;margin-top:18px;color:#5e6a5d;font-weight:600;font-size:.9rem;line-height:1.6}
@media(max-width:700px){.study-page.blood-study-page .study-hero:before{background-image:linear-gradient(0deg,#14291fd9 0%,#173a2b74 48%,#173a2b12 100%),url('/assets/tropical-fruit-macro.webp');background-position:center;background-size:cover;background-repeat:no-repeat}.blood-letter-section,.about-founder-quote{padding:42px 0}.blood-letter-sheet{padding:24px 19px}.blood-letter-body{font-size:.94rem;line-height:1.75}.blood-letter-source{flex-direction:column}}