:root{--pink:#ef1c4a;--petrol:#0a3753;--petrol-deep:#061c28;--ink:#07141b;--paper:#f5f2ec;--white:#fff;--muted:#a9b5bb;--line:rgba(255,255,255,.16);--dark-line:rgba(7,20,27,.14);--display:'Barlow Condensed',Arial,sans-serif;--body:'Montserrat',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--body);font-size:16px;line-height:1.55}img{display:block;width:100%;height:auto}a{color:inherit;text-decoration:none}button{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:#fff;color:#000;padding:12px 18px}.skip-link:focus{top:16px}.lh-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;min-height:76px;padding:0 3.5vw;background:#fff;border-bottom:1px solid #e6e6e6}.lh-brand{width:138px;flex:none}.lh-brand img{height:36px;object-fit:contain}.lh-nav{display:none}.lh-nav a,.lh-actions a,.menu-button{transition:color .2s,background .2s}.lh-nav a:hover,.lh-nav a:focus-visible{color:var(--pink)}.lh-actions{display:flex;align-items:center;gap:14px;margin-left:auto}.icon-action{font-size:20px;padding:10px}.header-login,.header-join{display:inline-flex;align-items:center;justify-content:center;gap:11px;min-height:42px;padding:0 25px;border-radius:6px;font-size:10px;font-weight:700;letter-spacing:.13em}.header-login{background:#222;color:#fff}.header-join{min-width:150px;border:1px solid #c9c9c9;background:#fff}.menu-button{border:0;background:transparent;display:flex;gap:9px;align-items:center;font-size:10px;font-weight:700;letter-spacing:.13em;padding:10px}.menu-button i{font-size:22px}.mobile-menu{position:absolute;right:0;top:76px;width:min(360px,100%);padding:26px;background:#fff;box-shadow:0 16px 35px rgba(0,0,0,.16)}.mobile-menu a{display:block;padding:14px;border-bottom:1px solid #ddd;font-weight:700}.dark-section{background:var(--petrol-deep);color:#fff}.paper-section{background:var(--paper)}.petrol-section{background:var(--petrol);color:#fff}.eyebrow,.section-number{margin:0;color:var(--pink);font-size:12px;font-weight:700;letter-spacing:.16em}.hero{display:grid;grid-template-columns:1.04fr .96fr;min-height:560px}.hero-copy{position:relative;isolation:isolate;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:64px 3.6vw;background-image:url('/assets/longevity/hero-cold-v2.png');background-size:cover;background-position:center}.hero-copy:before{content:'';position:absolute;inset:0;z-index:-1;background:rgba(2,16,23,.72)}.hero h1,.section-intro h2,.signals-heading h2,.methods-intro h2,.foundation-section h2,.guided-intro h2,.safety-intro h2,.faq-section h2,.closing-copy h2{font-family:var(--display);font-weight:800;line-height:.96;letter-spacing:.015em;margin:18px 0}.hero h1{font-size:clamp(52px,4.35vw,68px);max-width:670px;letter-spacing:0}.hero-intro{max-width:460px;margin:0 0 28px;color:#e1e8eb}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:4px;font-size:11px;font-weight:700;letter-spacing:.1em;text-align:center}.button-outline-light{border:1px solid rgba(255,255,255,.72);color:#fff}.button-dark{background:#161616;color:#fff}.button:hover,.button:focus-visible{background:var(--pink);border-color:var(--pink);color:#fff}.text-link{font-size:11px;font-weight:700;letter-spacing:.11em;text-decoration:underline;text-underline-offset:5px}.hero .text-link{margin-top:22px}.light-link{color:#fff}.light-link i{color:var(--pink);margin-left:7px}.hero-images{min-width:0}.hero-images figure{height:100%;margin:0}.hero-images figure:first-child{display:none}.hero-images img{height:100%;object-fit:cover;object-position:center}.day-section{display:grid;grid-template-columns:330px 1fr;gap:60px;padding:70px 6.5vw 74px;background:#071e2a}.section-intro h2,.signals-heading h2,.methods-intro h2,.foundation-section h2,.guided-intro h2,.safety-intro h2,.faq-section h2{font-size:clamp(38px,3.1vw,54px)}.section-intro>p:last-of-type,.methods-intro>p:last-of-type,.guided-intro>p:last-of-type,.safety-intro>p:last-of-type{color:#b9c6cc}.section-intro .button{margin-top:22px}.day-timeline{position:relative}.day-timeline:before{content:'';position:absolute;left:28px;top:25px;bottom:25px;width:1px;background:rgba(255,255,255,.35)}.day-timeline article{display:grid;grid-template-columns:58px 1.1fr 1fr 1.15fr;gap:24px;align-items:start;min-height:118px;padding:7px 0}.timeline-icon{position:relative;z-index:1;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--pink);font-size:21px}.day-timeline h3,.day-timeline h4{margin:0 0 8px;font-size:12px;letter-spacing:.1em}.day-timeline p{margin:0;color:#d3dde1;font-size:13px}.day-timeline article>div:nth-child(n+3){padding-left:24px;border-left:1px solid var(--line)}.signals-section{padding:52px 4vw 60px}.signals-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;max-width:1300px;margin:auto}.signals-heading h2{margin-bottom:0}.signals-heading>p{max-width:540px;color:#d7e1e6}.signal-line{position:relative;display:grid;grid-template-columns:repeat(6,1fr);max-width:1320px;margin:42px auto 0}.signal-line:before{content:'';position:absolute;left:7.5%;right:7.5%;top:58px;border-top:1px solid rgba(255,255,255,.35)}.signal-line article{position:relative;text-align:center;padding:0 16px}.signal-line i{font-size:34px}.signal-line span{position:relative;z-index:1;display:block;width:10px;height:10px;margin:15px auto 13px;border-radius:50%;background:var(--pink)}.signal-line h3{margin:0;font-size:12px;letter-spacing:.1em}.signal-line p{font-size:12px;color:#dce5e9}.methods-section{display:grid;grid-template-columns:280px 1fr;gap:40px;padding:62px 4.2vw 34px}.methods-intro{padding-top:18px}.methods-intro p:last-child{max-width:250px;color:#59666d}.method-table{overflow:hidden;border-radius:12px;background:#faf8f4;box-shadow:0 10px 35px rgba(0,0,0,.06)}.method-row{display:grid;grid-template-columns:220px repeat(4,minmax(0,1fr));min-height:150px;border-bottom:1px solid var(--dark-line)}.method-row:last-child{border-bottom:0}.method-row>div:not(.method-photo){padding:24px 18px}.method-row h3{margin:0 0 9px;color:#0a3753;font-size:10px;line-height:1.25;letter-spacing:.07em}.method-row p{margin:0;font-size:11px;line-height:1.45}.method-row em{display:block;margin-top:8px;color:var(--pink);font-size:10px;font-style:normal;font-weight:700}.method-photo{position:relative;min-height:150px;overflow:hidden}.method-photo img{height:100%;object-fit:cover}.method-photo:after{content:'';position:absolute;inset:0;background:rgba(0,0,0,.22)}.method-photo strong{position:absolute;z-index:1;left:18px;top:18px;color:#fff;font-family:var(--display);font-size:24px;line-height:1.15;letter-spacing:.04em}.method-disclaimer{grid-column:2;margin:12px 0 0;text-align:center;font-size:11px;color:#59666d}.method-disclaimer i{margin-right:8px}.foundation-section{display:grid;grid-template-columns:300px 1fr;gap:45px;padding:50px 4.5vw;background:#061c28}.foundation-section>div:first-child p:last-child{color:#bdc9cf}.foundation-grid{display:grid;grid-template-columns:repeat(5,1fr);align-items:center}.foundation-grid article{text-align:center;padding:6px 18px}.foundation-grid i{color:var(--pink);font-size:42px}.foundation-grid h3{margin:10px 0 5px;font-size:12px;letter-spacing:.1em}.foundation-grid p{margin:0;color:#d1dce0;font-size:12px}.guided-section{display:grid;grid-template-columns:250px 1fr;gap:35px;padding:58px 4.5vw}.guided-intro .button{margin-top:18px}.guided-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin:0;padding:30px 10px;list-style:none;border-radius:12px;background:#fff}.guided-steps li{position:relative;text-align:center;padding:0 22px}.guided-steps li:not(:last-child):after{content:'→';position:absolute;right:-7px;top:20px;color:#67727a;font-size:22px}.guided-steps i{display:block;color:var(--pink);font-size:48px}.guided-steps h3{font-size:11px;letter-spacing:.08em}.guided-steps p{margin:0;font-size:11px}.safety-section{display:grid;grid-template-columns:250px 1fr 390px;gap:38px;align-items:center;padding:46px 4.5vw;background:#062433}.safety-points{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 35px}.safety-points article{display:flex;gap:13px}.safety-points i{color:var(--pink);font-size:20px}.safety-points h3{margin:0 0 6px;font-size:11px;letter-spacing:.08em}.safety-points p{margin:0;color:#d2dde2;font-size:12px}.safety-section>img{height:240px;border-radius:9px;object-fit:cover}.faq-section{display:grid;grid-template-columns:250px 1fr;gap:35px;padding:52px 4.5vw}.faq-list details{border-bottom:1px solid #c9c7c2}.faq-list summary{position:relative;cursor:pointer;padding:17px 45px 17px 10px;font-weight:500;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';position:absolute;right:12px;font-size:22px}.faq-list details[open] summary:after{content:'−'}.faq-list details p{max-width:800px;margin:0;padding:0 10px 18px;color:#4e5b62}.closing-section{position:relative;isolation:isolate;display:grid;grid-template-columns:1fr auto;align-items:center;min-height:220px;padding:42px 6vw;color:#fff;background:#18130f;overflow:hidden}.closing-section:after{content:'';position:absolute;inset:0;z-index:-1;background:rgba(9,8,7,.62)}.closing-section>img{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover;object-position:center}.closing-copy h2{font-size:clamp(36px,3vw,52px)}.closing-copy p{margin:0}.closing-actions{display:flex;flex-direction:column;gap:18px;align-items:center}.lh-footer{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:38px;padding:55px 5vw 22px;background:var(--petrol);color:#fff}.footer-brand img{width:140px;height:auto}.lh-footer h2{font-size:11px;letter-spacing:.1em}.lh-footer a{display:block;margin:6px 0;color:#dce6ea;font-size:12px}.lh-footer a:hover,.lh-footer a:focus-visible{color:#fff;text-decoration:underline}.footer-bottom{grid-column:1/-1;display:flex;justify-content:space-between;gap:30px;margin-top:25px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);color:#b9cbd3;font-size:10px}:focus-visible{outline:3px solid var(--pink);outline-offset:4px}
@media(min-width:821px){
.day-section{padding-top:50px;padding-bottom:54px}
.day-timeline article{min-height:96px}
.signals-section{padding-top:40px;padding-bottom:44px}
.signal-line{margin-top:28px}
.methods-section{padding-top:48px;padding-bottom:28px}
.method-row{min-height:128px}
.method-row>div:not(.method-photo){padding:18px 14px}
.method-photo{min-height:128px}
.foundation-section{padding-top:38px;padding-bottom:38px}
.guided-section{padding-top:44px;padding-bottom:44px}
.guided-steps{padding-top:24px;padding-bottom:24px}
.guided-steps i{font-size:42px}
.safety-section{padding-top:36px;padding-bottom:36px}
.safety-section>img{height:200px}
.faq-section{padding-top:38px;padding-bottom:38px}
.faq-list summary{padding-top:13px;padding-bottom:13px}
.faq-list details p{padding-bottom:12px}
.closing-section{min-height:180px;padding-top:32px;padding-bottom:32px}
.lh-footer{padding-top:40px;padding-bottom:18px}
.footer-bottom{margin-top:18px;padding-top:14px}
}
@media(max-width:1100px){.lh-nav{display:none}.hero{grid-template-columns:1fr 1fr}.day-section{grid-template-columns:260px 1fr;gap:35px}.day-timeline article{grid-template-columns:54px 1fr 1fr}.day-timeline article>div:last-child{grid-column:2/-1;border-left:0;padding-left:0}.method-row{grid-template-columns:180px repeat(2,1fr)}.method-row>div:nth-child(4),.method-row>div:nth-child(5){border-top:1px solid var(--dark-line)}.foundation-section,.guided-section,.faq-section{grid-template-columns:220px 1fr}.safety-section{grid-template-columns:220px 1fr}.safety-section>img{display:none}}
@media(max-width:820px){body{font-size:15px}.lh-header{min-height:66px;padding:0 18px}.lh-brand{width:112px}.lh-actions .icon-action,.lh-actions .header-login,.lh-actions .header-join{display:none}.lh-actions{margin-left:auto}.mobile-menu{top:66px}.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{min-height:620px;padding:80px 24px 55px;background-position:58% center}.hero-images{display:none}.hero h1{font-size:58px}.day-section,.methods-section,.foundation-section,.guided-section,.safety-section,.faq-section{grid-template-columns:1fr;padding:48px 22px}.day-timeline article{grid-template-columns:52px 1fr;gap:12px;padding:10px 0 22px}.day-timeline article>div:nth-child(n+3){grid-column:2;border-left:0;padding-left:0}.signals-heading{display:block}.signal-line{grid-template-columns:repeat(2,1fr);gap:28px}.signal-line:before{display:none}.methods-intro p:last-child{max-width:none}.method-row{display:block}.method-photo{height:210px}.method-row>div:not(.method-photo){padding:17px 20px}.method-disclaimer{grid-column:1}.foundation-grid{grid-template-columns:repeat(2,1fr);gap:30px}.foundation-grid article:last-child{grid-column:1/-1}.guided-steps{grid-template-columns:1fr;padding:10px 22px}.guided-steps li{padding:22px;border-bottom:1px solid #ddd}.guided-steps li:last-child{border-bottom:0}.guided-steps li:not(:last-child):after{display:none}.safety-points{grid-template-columns:1fr}.closing-section{grid-template-columns:1fr;gap:26px;padding:40px 24px}.closing-actions{align-items:flex-start}.lh-footer{grid-template-columns:repeat(2,1fr);padding:45px 24px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}


/* 2026-08-09 owner-directed refinement: full-screen hero, spacious closing stages, homepage footer */
.hero{height:calc(100vh - 76px);height:calc(100svh - 76px);min-height:680px;max-height:1080px}
.hero-copy,.hero-images,.hero-images figure{min-height:0;height:100%}
.hero-copy{background-position:center}
.hero-images img{width:100%;height:100%;object-fit:cover;object-position:52% center}

.guided-section{grid-template-columns:1fr;gap:34px;padding:64px 6vw;background:#f5f2ec}
.guided-intro{display:grid;grid-template-columns:56px minmax(280px,420px) minmax(280px,1fr) auto;gap:28px;align-items:center}
.guided-intro .section-number{align-self:start;padding-top:7px}
.guided-intro h2{margin:0}
.guided-intro>p:last-of-type{max-width:540px;margin:0;color:#59666d}
.guided-intro .button{margin:0;white-space:nowrap}
.guided-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;padding:0;background:transparent;border-radius:0}
.guided-steps li{min-height:220px;padding:28px 24px;text-align:left;background:#fff;border-top:4px solid var(--pink);border-radius:10px;box-shadow:0 10px 28px rgba(7,20,27,.06)}
.guided-steps li:not(:last-child):after{display:none}
.guided-steps i{font-size:38px}
.guided-steps h3{margin:26px 0 10px;font-size:12px}
.guided-steps p{font-size:12px;line-height:1.55;color:#45535b}

.safety-section{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);grid-template-areas:"intro image" "points image";gap:34px 70px;align-items:start;padding:72px 6vw;background:#062433}
.safety-intro{grid-area:intro;display:grid;grid-template-columns:56px minmax(280px,360px) 1fr;gap:28px;align-items:start}
.safety-intro .section-number{padding-top:7px}
.safety-intro h2{margin:0}
.safety-intro>p:last-child{max-width:440px;margin:4px 0 0;color:#d2dde2}
.safety-points{grid-area:points;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.safety-points article{min-height:128px;padding:22px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:8px}
.safety-points h3{font-size:12px}
.safety-points p{font-size:13px;line-height:1.55}
.safety-section>img{grid-area:image;width:100%;height:100%;min-height:430px;max-height:540px;border-radius:10px;object-fit:cover;object-position:center}

.site-footer{background:#fff;color:#1a1a1a;overflow:hidden}
.social-strip{position:relative;min-height:859px;padding-top:88px;overflow:hidden;background:#fff;text-align:center}
.marquee{position:absolute;left:0;width:250%;font-family:Montserrat,sans-serif;font-size:78px;font-weight:800;font-style:italic;line-height:.88;white-space:nowrap}
.marquee-left{top:62px;color:transparent;-webkit-text-stroke:1px #2a2a2a;animation:lhMarqueeLeft 24s linear infinite}
.marquee-right{top:132px;color:#2a2a2a;animation:lhMarqueeRight 28s linear infinite}
@keyframes lhMarqueeLeft{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes lhMarqueeRight{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.social-strip p{max-width:360px;margin:276px auto 26px;color:#000;font-size:16px;line-height:27px;letter-spacing:3.5px}
.social-handle{position:relative;display:inline-block;margin:78px 0 64px;color:#000;font-size:14px;line-height:27px;letter-spacing:4px}
.social-handle:before{content:"";position:absolute;left:50%;top:-61px;width:31px;height:31px;transform:translateX(-50%);border:4px solid #000;border-radius:10px}
.social-handle:after{content:"";position:absolute;left:50%;top:-50px;width:11px;height:11px;transform:translateX(-50%);border:4px solid #000;border-radius:999px;box-shadow:12px -9px 0 -6px #000}
.social-grid{display:grid;grid-template-columns:repeat(5,1fr);width:calc(100% - 116px);margin:0 auto}
.social-grid img{width:100%;height:265px;object-fit:cover}
.footer-main{display:grid;grid-template-columns:1.2fr .8fr .8fr 1.1fr;gap:70px;width:min(1394px,calc(100vw - 96px));min-height:716px;margin:0 auto;padding:130px 0 150px;background:#fff}
.footer-column h3{margin:0 0 11px;color:#616161;font-size:30px;font-weight:400;line-height:44px;letter-spacing:2.5px}
.footer-column a{display:block;margin:0 0 10px;color:#262626;font-size:26px;font-weight:400;line-height:36px;letter-spacing:2.5px}
.footer-column a:hover,.footer-column a:focus-visible{color:var(--pink)}
.language-row{display:flex;gap:18px;margin-top:26px}
.language-row a{margin:0}

@media(max-width:1100px) and (min-width:821px){
.guided-intro{grid-template-columns:48px 280px 1fr}.guided-intro .button{grid-column:2}
.guided-steps{grid-template-columns:repeat(3,1fr)}
.safety-section{grid-template-columns:1fr 360px;gap:30px}.safety-intro{grid-template-columns:48px 260px}.safety-intro>p:last-child{grid-column:2}.safety-points{grid-template-columns:1fr}.safety-section>img{min-height:500px}
.footer-main{gap:36px}.footer-column h3{font-size:22px}.footer-column a{font-size:18px;line-height:28px}
}

@media(max-width:820px){
.hero{height:calc(100vh - 66px);height:calc(100svh - 66px);min-height:620px;max-height:none}
.hero-copy{min-height:0;height:100%;background-position:58% center}
.guided-section,.safety-section{padding:48px 22px}
.guided-intro{display:block}.guided-intro h2{margin:14px 0}.guided-intro .button{margin-top:18px}
.guided-steps{grid-template-columns:1fr;gap:12px;padding:0}.guided-steps li{min-height:0;padding:24px}
.safety-section{grid-template-columns:1fr;grid-template-areas:"intro" "image" "points";gap:28px}
.safety-intro{display:block}.safety-intro h2{margin:14px 0}.safety-section>img{display:block;min-height:0;height:auto;max-height:none;aspect-ratio:16/10}
.safety-points{grid-template-columns:1fr}
.social-strip{min-height:auto;padding:44px 18px 46px}
.marquee{font-size:48px}.marquee-left{top:34px}.marquee-right{top:76px}
.social-strip p{margin-top:110px;font-size:10px;line-height:1.35;letter-spacing:1.8px}
.social-handle{margin:62px 0 26px;font-size:18px;letter-spacing:1px}
.social-grid{width:100%;max-width:390px;margin:24px auto 0;grid-template-columns:1fr 1fr;gap:8px}
.social-grid img{height:auto;aspect-ratio:1/1.18;border-radius:8px}.social-grid img:last-child{grid-column:1/-1;aspect-ratio:2/1}
.footer-main{grid-template-columns:1fr;gap:30px;width:100%;max-width:390px;min-height:0;padding:44px 24px 128px}
.footer-column h3{font-size:15px;line-height:1.1;letter-spacing:2px}
.footer-column a,.language-row a{display:flex;align-items:center;min-height:34px;margin:0;font-size:18px;line-height:1.2;letter-spacing:1.8px}

}


.hero{position:relative}
.hero-copy{padding-bottom:150px}
.longevity-opening-bar{position:absolute;left:0;right:0;bottom:0;z-index:4;min-height:92px;display:flex;align-items:center;justify-content:center;gap:38px;padding:14px 5vw;background:var(--petrol);color:#fff;box-shadow:0 -14px 42px rgba(0,0,0,.12)}
.longevity-opening-copy{font-size:14px;font-weight:700;line-height:1.3;letter-spacing:.16em;text-transform:uppercase}
.longevity-opening-time{display:grid;grid-template-columns:repeat(4,minmax(64px,1fr));gap:12px}
.longevity-opening-time span{display:flex;flex-direction:column;align-items:center;justify-content:center}
.longevity-opening-time strong{font-family:var(--display);font-size:32px;line-height:1;font-weight:800;letter-spacing:.08em}
.longevity-opening-time em{margin-top:4px;color:rgba(255,255,255,.76);font-size:9px;font-style:normal;line-height:1;letter-spacing:.18em}
@media(max-width:820px){
.hero-copy{padding-bottom:145px}
.longevity-opening-bar{min-height:112px;flex-direction:column;gap:8px;padding:12px 18px}
.longevity-opening-copy{font-size:9px;letter-spacing:.11em;text-align:center}
.longevity-opening-time{width:min(330px,100%);gap:5px}
.longevity-opening-time strong{font-size:25px}
}

/* Final Longevity AA lock: brand accents adapt to their light or dark surface. */
.paper-section .section-number,
.method-row em {
  color: #b00035;
}

.dark-section .section-number,
.petrol-section .section-number,
.signals-section .section-number,
.safety-section .section-number {
  color: #ff7894;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid #ff7894;
  outline-offset: 4px;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: #b00035;
}