.about-body{background:#eaf5ff;color:#002c4f;min-height:100vh;position:relative}
.about-body .header{position:sticky;top:0;z-index:4;background:rgba(234,245,255,.78);border-color:rgba(53,99,159,.14);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);transition:transform .32s cubic-bezier(.22,1,.36,1)}
.about-body .header.header--hidden{transform:translateY(-110%)}
.about-body .header-inner{color:#002c4f}.about-body nav a:hover{color:#4b77ff}.about-body nav a[aria-current=page]{color:#4b77ff}
.about-body .socials img{opacity:.82}.about-body .menu-toggle{color:#002c4f;border-color:#b8cae4}.about-body .submenu{color:#002c4f}
.about-main{position:relative;z-index:1;width:min(100%,1096px);margin:0 auto;padding:100px 48px 100px;flex:1 0 auto}
.about-intro{max-width:760px;margin-bottom:78px}.about-intro h1{font-size:clamp(58px,6.5vw,88px);line-height:1.02;letter-spacing:-.055em;margin:0 0 30px;color:#002c4f}
.about-lead{font-size:clamp(18px,1.7vw,21px);line-height:1.7;color:#244b69;font-weight:500;margin:0;max-width:720px}
.about-article{max-width:1000px}.about-article>p,.about-copy{max-width:740px}.about-article p{font-size:16px;line-height:1.9;margin:0 0 28px;color:#31536d}.about-copy{margin:80px 0 76px}.about-copy p:last-child{margin-bottom:0}
.about-photo{margin:60px 0 0}.about-photo img{display:block;width:100%;height:auto;border-radius:10px}.about-photo figcaption{font-size:12px;color:#67819a;margin-top:12px}.about-photo+.about-photo{margin-top:60px}.textlink{color:#2e6bd4;text-decoration:underline;text-underline-offset:3px}.textlink:hover{color:#174591}
.antibody-background{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.antibody-image{position:absolute;display:block;height:auto;max-width:none;will-change:transform;user-select:none}
.antibody-main{width:clamp(440px,44vw,680px);right:-9vw;top:19%;opacity:.95}
.antibody-right{width:clamp(140px,13vw,195px);right:1.5%;top:74%;opacity:.85}
.antibody-left{width:clamp(155px,15vw,220px);left:-6%;top:67%;opacity:.8}
.antibody-top{width:110px;right:28%;top:-4%;opacity:.65}
@media(prefers-reduced-motion:reduce){.antibody-image{will-change:auto}}

.about-footer{position:relative;z-index:1;background:#eaf5ff;border-top:1px solid #cfe4f5}.about-footer .footer-copy span{color:#002c4f}.about-footer .footer-inner{max-width:1280px}
@media(max-width:760px){.about-main{padding:64px 24px 72px}.about-intro{margin-bottom:48px}.about-intro h1{font-size:58px;margin-bottom:22px}.about-lead{font-size:17px;line-height:1.7}.about-article p{font-size:15px;line-height:1.85}.about-copy{margin:54px 0}.about-photo{margin-top:45px}.about-photo+.about-photo{margin-top:40px}.about-body nav{border-color:#c7d6e9}.about-footer .footer-inner{padding:30px 24px}}
@media(max-width:760px){
  .antibody-background{opacity:.45}
  .antibody-main{width:370px;right:-180px;top:12%}
  .antibody-left{width:155px;left:-95px;top:68%}
  .antibody-right{width:120px;right:-65px;top:78%}
  .antibody-top{display:none}
}

/* Editorial spacing and a quieter frame for the original photography. */
.about-main{padding-top:clamp(84px,8vw,120px);padding-bottom:clamp(90px,10vw,140px)}
.about-intro{margin-bottom:clamp(62px,7vw,96px)}
.about-article p{line-height:1.95}
.about-copy{margin:clamp(72px,8vw,110px) 0 clamp(78px,9vw,120px)}
.about-copy p+p{margin-top:34px}
.about-photo{margin-top:clamp(68px,7vw,96px)}
.about-photo img{border-radius:16px;box-shadow:0 18px 48px rgba(25,64,99,.08);outline:1px solid rgba(20,67,103,.08);outline-offset:-1px}
.about-photo figcaption{margin-top:14px;letter-spacing:.01em;color:#577794}
.about-photo+.about-photo{width:90%;margin:clamp(72px,8vw,110px) 0 0 auto}

/* Underlines sit beneath the labels without shifting the navigation. */
.about-body nav>a,.about-body nav .dropdown>a{position:relative;transition:color .22s ease}
.about-body nav>a::after,.about-body nav .dropdown>a::after{content:"";position:absolute;left:0;right:0;bottom:5px;height:2px;border-radius:2px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.22,1,.36,1)}
.about-body nav>a:hover::after,.about-body nav>a:focus-visible::after,.about-body nav>a[aria-current=page]::after,.about-body nav .dropdown>a:hover::after,.about-body nav .dropdown>a:focus-visible::after{transform:scaleX(1)}
.antibody-right{width:clamp(150px,14vw,210px);right:1%;top:72%}
.antibody-left{width:clamp(165px,16vw,235px);left:-7%;top:64%}
@media(max-width:760px){
  .about-main{padding:70px 24px 82px}
  .about-intro{margin-bottom:52px}
  .about-copy{margin:64px 0 72px}
  .about-copy p+p{margin-top:28px}
  .about-photo{margin-top:54px}
  .about-photo img{border-radius:12px}
  .about-photo+.about-photo{width:100%;margin-top:52px}
  .about-body nav>a::after,.about-body nav .dropdown>a::after{right:auto;width:28px;bottom:4px}
  .antibody-left{width:155px;left:-95px;top:68%}
  .antibody-right{width:120px;right:-65px;top:78%}
}


/* Reveal content once, keeping it readable when motion is reduced. */
.reveal-ready{opacity:0;transform:translate3d(0,12px,0);transition:opacity 1.8s ease,transform 1.8s cubic-bezier(.22,1,.36,1);transition-delay:var(--reveal-delay,0ms)}
.reveal-ready.is-visible{animation:about-entry 1.8s cubic-bezier(.22,1,.36,1) var(--reveal-delay,0ms) both}
@media(prefers-reduced-motion:reduce){.reveal-ready,.reveal-ready.is-visible{opacity:1;transform:none;transition:none;animation:none}}

/* A centered reading column, with photographs slightly narrower still. */
.about-main{width:min(750px,calc(100% - 96px));padding-left:0;padding-right:0}
.about-intro,.about-article,.about-article>p,.about-copy,.about-lead{max-width:none}
.about-photo,.about-photo+.about-photo{width:100%;margin-left:auto;margin-right:auto}
@media(max-width:760px){.about-main{width:calc(100% - 48px)}}

/* The opening content animates immediately when the page is painted. */
.about-intro h1{animation:about-entry 1.8s cubic-bezier(.22,1,.36,1) .12s both}
.about-lead{animation:about-entry 1.8s cubic-bezier(.22,1,.36,1) .36s both}
@keyframes about-entry{from{opacity:0;transform:translate3d(0,12px,0)}to{opacity:1;transform:translate3d(0,0,0)}}
@media(prefers-reduced-motion:reduce){.about-intro h1,.about-lead{animation:none}}

/* A calm entrance for the navigation and the original antibody artwork. */
.about-body .header-inner{animation:about-entry 1.6s cubic-bezier(.22,1,.36,1) both}
.antibody-background{--art-opacity:1;animation:art-entry 2.1s ease .1s both}
@keyframes art-entry{from{opacity:0}to{opacity:var(--art-opacity)}}
@media(max-width:760px){.antibody-background{--art-opacity:.45}}
@media(prefers-reduced-motion:reduce){.about-body .header-inner,.antibody-background{animation:none}}

/* The original book cover gets room to stand on its own. */
.book-main .about-intro{margin-bottom:clamp(36px,5vw,64px)}
.book-cover{width:min(100%,500px);margin:0 auto clamp(36px,5vw,64px)}
.book-cover img{display:block;width:100%;height:auto}
.book-action{margin-top:34px}
.book-order{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 25px;border-radius:8px;background:#4b77ff;color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em;transition:background .25s ease,transform .25s ease,box-shadow .25s ease}
.book-order:hover{background:#315fdc;transform:translateY(-2px);box-shadow:0 9px 24px rgba(39,83,172,.2)}
@media(max-width:760px){.book-cover{width:min(100%,400px)}.book-order{width:100%}}