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/* Mobile refinement: compact product poster, glass navigation, quieter information. */
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#mobile-menu{position:fixed;inset:0 0 auto;margin:0;width:100%;max-width:none;max-height:calc(100dvh - 24px);padding:20px 24px 28px;border:0;border-bottom:1px solid #ffffff3b;border-radius:0 0 26px 26px;background:linear-gradient(135deg,#263043e8,#111b2cd9);color:#e9e9e9;backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);box-shadow:0 24px 70px #0005;overflow:auto}#mobile-menu[open]{animation:menu-enter .22s ease-out}#mobile-menu::backdrop{background:#080c1b60;backdrop-filter:blur(13px);-webkit-backdrop-filter:blur(13px)}#mobile-menu .menu-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;height:44px}#mobile-menu .wordmark{padding:0;font-size:0;border:0;margin:0}#mobile-menu .menu-close{display:grid;place-content:center;width:44px;height:44px;padding:0;background:none;position:relative}#mobile-menu .menu-close span{width:22px;height:1px;background:#eee;display:block;transform:rotate(45deg)}#mobile-menu .menu-close span:last-child{transform:rotate(-45deg);margin-top:-1px}#mobile-menu nav{display:grid}#mobile-menu nav a{font-size:27px;letter-spacing:-.04em;line-height:1.25;padding:12px 0;border:0;margin:0}#mobile-menu .menu-actions{display:flex;gap:12px;margin-top:24px;padding-top:24px;border-top:1px solid #ffffff24}#mobile-menu .menu-actions .button{display:flex;flex:1;padding:15px 12px;margin:0;min-height:48px;font-size:12px;text-align:center;border:1px solid transparent}#mobile-menu .button.white{background:linear-gradient(145deg,#fff,#e7e8ec);color:var(--navy)}#mobile-menu .button.glass{background:#ffffff09;border-color:#ffffff48;color:#eee}#mobile-menu .menu-note{font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;font-size:9px;margin:20px 0 0;color:#b6bfce}@keyframes menu-enter{from{opacity:0;transform:translateY(-28px)}to{opacity:1;transform:translateY(0)}}
.formula .section-top{margin-bottom:20px}.formula-display{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.formula-stick{height:470px;overflow:hidden;display:flex;justify-content:center;align-items:center}.formula-stick img{height:100%;width:100%;object-fit:contain;mix-blend-mode:multiply;mask-image:linear-gradient(transparent,#000 10%,#000 88%,transparent)}.formula-facts .eyebrow{color:#656d7c;margin-bottom:13px}.dose-list{margin:0 0 16px}.dose-list>div{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:96px;border-bottom:1px solid var(--line)}.dose-list dt{font-size:24px;letter-spacing:-.03em}.dose-list dt small{font-size:11px;letter-spacing:0;display:block;color:#68707d;line-height:1.5;margin-top:6px}.dose-list dd{font-family:var(--mono);font-weight:300;font-size:32px;white-space:nowrap;margin:0;letter-spacing:-.06em}.dose-list dd span{font-size:13px}.transparency{display:block;max-width:none;padding:20px 0 0;margin:20px 0 0}.transparency summary{font-size:16px;letter-spacing:-.02em;padding-block:4px}.transparency p{max-width:650px;padding-top:16px;margin:0;font-size:13px}.transparency .plus{font-size:22px}
.research-section{background:radial-gradient(ellipse at 15% 0%,#242f42,#101726 60%)}.research-layout{display:block}.research-intro{max-width:700px;margin-bottom:40px}.research-layout h2{margin-bottom:18px}.research-layout .research-intro>p:not(.eyebrow){max-width:none}.studies{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}.studies details,.studies details:last-child{border:1px solid #ffffff29;border-radius:20px;background:linear-gradient(135deg,#ffffff0e,#ffffff03);overflow:hidden;backdrop-filter:blur(16px)}.studies summary{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:26px}.research-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.studies small{font-size:10px;margin:0}.research-dose{font-family:var(--mono);font-size:43px;font-weight:300;letter-spacing:-.07em;margin:35px 0 22px;line-height:1}.research-dose>span{font-size:15px;letter-spacing:0;color:#b9c1ce}.studies summary strong{font-size:22px;line-height:1.25;min-height:56px;letter-spacing:-.03em}.research-tag{font-family:var(--mono);font-size:9px;color:#aeb8c9;margin-top:18px}.expand-label{font-size:11px;margin-top:27px;color:#eee}.expand-label:after{content:'';display:inline-block;width:6px;height:6px;border-right:1px solid;border-bottom:1px solid;transform:rotate(45deg);margin:0 0 3px 10px}.studies details[open] .expand-label:after{transform:rotate(225deg);margin-bottom:0}.study-body{border-top:1px solid #ffffff20;padding:20px 26px 26px}.study-body p:last-of-type{margin-bottom:24px}.study-body a{display:inline-block;line-height:1.7}.research-layout>.research-note{font-size:11px!important;color:#aeb8c6;max-width:700px;border:0;padding:0;margin:24px 0 0}
.approach-heading{display:flex;justify-content:space-between;align-items:end;gap:45px;margin-bottom:36px}.approach-heading>p{font-size:15px;color:#68707d;margin:0}.habit-explorer{display:grid;grid-template-columns:1fr 1.2fr;border:1px solid #fff9;border-radius:22px;background:linear-gradient(130deg,#ffffff65,#ffffff10);overflow:hidden;box-shadow:0 4px 22px #080c1b05}.habit-visual{min-height:330px;background:linear-gradient(150deg,#283648,#101927);position:relative;overflow:hidden}.habit-sun{position:absolute;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle at 50% 60%,#ffb778,#ff8f34 60%,#d9a68b);box-shadow:0 0 60px #ff8f3444;left:50%;top:44%;transform:translate(-50%,-50%);opacity:.78}.habit-horizon{position:absolute;left:0;right:0;top:51%;height:70%;background:linear-gradient(#19263998,#142033);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid #ffffff25}.habit-visual>span{position:absolute;bottom:26px;left:28px;font-family:var(--mono);font-size:9px;letter-spacing:.17em;color:#c7cdd6}.habit-content{padding:34px}.habit-tabs{display:flex;gap:5px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:17px}.habit-tabs button{background:transparent;font-size:11px;padding:9px 12px;border-radius:30px;color:#626b79}.habit-tabs button[aria-selected=true]{background:#fff9;color:#111625;box-shadow:0 1px 7px #080c1b09}#habit-panel{padding-top:29px;min-height:149px}#habit-panel h3{font-size:26px;margin-bottom:12px}#habit-panel p{font-size:14px;color:#616a79;max-width:400px}.habit-action{display:flex;align-items:center;gap:20px;margin-top:10px}.habit-action p{font-size:10px;color:#697180;line-height:1.6;margin:0}.habit-action .button{margin:0}.habit-explorer[data-active=evenings] .habit-sun{top:60%;opacity:.55}.habit-explorer[data-active=caffeine] .habit-sun{top:32%}.habit-explorer[data-active=wearables] .habit-sun{background:#c8cdd4;opacity:.7;box-shadow:0 0 55px #c8cdd422}.founder{padding-top:20px}.founder .signature span{font-size:12px}
@media(max-width:1050px) and (min-width:701px){.hero{column-gap:25px;min-height:600px}.hero h1{font-size:49px}.hero-image img{width:330px}.formula-display{gap:45px}.studies{gap:12px}.studies summary{padding:20px}.studies summary strong{font-size:19px}.research-dose{font-size:34px}.study-body{padding:20px}.habit-content{padding:24px}.habit-action{gap:12px}.habit-tabs button{padding:9px}}
@media(max-width:700px){.header{height:60px}.hero{display:grid;grid-template-columns:1fr;grid-template-rows:auto auto auto auto;min-height:0;padding:8px 0 26px;gap:0}.hero-eyebrow{grid-column:1;grid-row:1;font-size:9px;letter-spacing:.12em;margin:0;text-align:center}.hero-image{grid-column:1;grid-row:2;order:initial;height:clamp(160px,29svh,250px);margin:8px 0 12px;width:100%}.hero-image img{height:100%;width:auto;max-height:100%;max-width:100%;filter:drop-shadow(8px 12px 16px #0004)}.hero-copy{grid-column:1;grid-row:3;align-self:auto}.hero h1{font-size:clamp(32px,8.9vw,42px);line-height:1.04}.intro{font-size:13px;line-height:1.45;margin:13px 0 8px;max-width:100%}.hero-proof{font-size:10px;line-height:1.5}.hero-actions{grid-column:1;grid-row:4;margin:18px 0 0;order:initial}.hero-actions .micro{font-size:9px;line-height:1.45;margin:10px 0 0}.buttons .button{min-height:46px;padding:13px 10px;font-size:12px}.night-opening:after{width:130%;left:-50%;height:24%;bottom:40%;opacity:.15;filter:blur(24px)}.formula .section-top{margin-bottom:20px}.formula .section-top>p{font-size:13px;margin-top:16px}.formula .section-top>p br{display:none}.formula-display{grid-template-columns:100px minmax(0,1fr);gap:20px;align-items:center}.formula-stick{height:325px;position:relative;margin-inline:-15px}.formula-stick img{width:220px;max-width:none;flex-shrink:0;height:330px;object-fit:cover}.formula-facts .eyebrow{font-size:8px;margin-bottom:2px}.dose-list>div{display:block;min-height:82px;padding:12px 0}.dose-list dt{font-size:17px}.dose-list dt small{font-size:8px;margin-top:3px;line-height:1.5}.dose-list dd{font-size:24px;margin-top:5px}.dose-list dd span{font-size:10px}.formula-facts .text-link{font-size:11px;gap:8px}.formula-facts .text-link span{margin-left:0}.transparency{margin-top:18px;padding-top:18px}.transparency summary{font-size:14px;gap:15px}.transparency p{font-size:12px}.research-intro{margin-bottom:25px}.research-layout h2{font-size:34px}.research-layout .research-intro>p:not(.eyebrow){font-size:13px}.studies{grid-template-columns:1fr;gap:12px}.studies details,.studies details:last-child{border-radius:17px}.studies summary{display:grid;grid-template-columns:1fr auto;gap:0 15px;padding:22px}.research-card-top{grid-column:1/3;grid-row:1}.studies small{font-size:9px}.research-dose{grid-column:2;grid-row:2/5;font-size:32px;align-self:center;margin:16px 0 0}.research-dose>span{font-size:11px}.studies summary strong{grid-column:1;grid-row:2;font-size:18px;min-height:0;margin-top:17px;max-width:190px}.research-tag{grid-column:1;grid-row:3;font-size:8px;margin-top:8px}.expand-label{grid-column:1;grid-row:4;font-size:10px;margin-top:15px}.study-body{padding:20px 22px 24px}.research-layout>.research-note{font-size:10px!important;margin-top:20px}.approach-heading{display:block;margin-bottom:25px}.approach-heading>p{margin-top:18px;font-size:13px}.habit-explorer{grid-template-columns:1fr;border-radius:18px}.habit-visual{min-height:165px}.habit-sun{width:120px;height:120px;top:49%}.habit-visual>span{left:22px;bottom:19px;font-size:8px}.habit-content{padding:22px}.habit-tabs{flex-wrap:nowrap;gap:1px;justify-content:space-between;padding-bottom:14px}.habit-tabs button{font-size:10px;padding:9px 8px}#habit-panel{min-height:145px;padding-top:25px}#habit-panel h3{font-size:23px}#habit-panel p{font-size:13px}.habit-action{gap:15px;margin-top:2px}.habit-action .button{padding:14px 22px}.habit-action p{font-size:9px}.founder{padding-top:0;gap:25px}.founder figure{height:220px}.founder h2{font-size:35px}.founder p:not(.eyebrow){font-size:14px}.founder .signature{margin-top:24px}.founder figure{display:none}}
@media(max-width:360px){.hero h1{font-size:30px}.hero-image{height:clamp(120px,25svh,180px)}.intro{font-size:12px}.hero-proof{font-size:9px}.hero-actions{margin-top:14px}.hero-actions .micro{font-size:8px}.formula-display{grid-template-columns:85px minmax(0,1fr);gap:16px}.research-dose{font-size:27px}.studies summary{padding:18px}.studies summary strong{font-size:17px}.habit-content{padding:18px}.habit-tabs button{font-size:9px;padding:9px 7px}}
@media(max-width:700px) and (max-height:650px){.hero-image{height:clamp(108px,23svh,150px);margin:5px 0 9px}.hero{padding-bottom:20px}.hero h1{font-size:31px}.hero-actions{margin-top:12px}.intro{margin-top:10px}.header{height:54px}}

.formula-stick img{width:auto;max-width:none;object-fit:contain;mask-image:none}