/* Layout: one column, three product chapters (Training / Diet / Health), each a working phone demo beside short copy. Pure black and white, dark-first. */
:root{
  --bg:#000000; --bg-2:#0D0D0D; --bg-3:#181818; --line:#262626;
  --fg:#FFFFFF; --fg-2:#B3B3B3; --fg-3:#777777;
  --ink:#000000; --paper:#FFFFFF;
  --display:"Chakra Petch","Bahnschrift",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:dark;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){--bg:#FFFFFF;--bg-2:#F4F4F4;--bg-3:#E9E9E9;--line:#D6D6D6;--fg:#000000;--fg-2:#4A4A4A;--fg-3:#777777;--ink:#FFFFFF;--paper:#000000;color-scheme:light}
}
:root[data-theme="light"]{--bg:#FFFFFF;--bg-2:#F4F4F4;--bg-3:#E9E9E9;--line:#D6D6D6;--fg:#000000;--fg-2:#4A4A4A;--fg-3:#777777;--ink:#FFFFFF;--paper:#000000;color-scheme:light}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
a{color:inherit}
h1,h2,h3{font-family:var(--display);line-height:1.05;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,7vw,5.2rem);font-weight:700}
h2{font-size:clamp(1.9rem,4vw,3rem);font-weight:700}
h3{font-size:1.1rem;font-weight:600}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--fg-3)}
.muted{color:var(--fg-2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--display);font-weight:600;font-size:.95rem;padding:.85rem 1.3rem;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer;text-decoration:none}
.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--fg);outline-offset:2px}

/* nav */
nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--fg)}
.logo svg{height:22px;width:auto;display:block}
.logo .wm{height:16px}
nav ul{display:flex;gap:1.5rem;list-style:none;margin:0;padding:0;font-size:.9rem;color:var(--fg-2)}
nav ul a{text-decoration:none}
@media (max-width:760px){nav ul{display:none}}

/* hero */
.hero{padding-block:clamp(48px,8vw,110px) clamp(40px,6vw,80px)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,6vw,80px);align-items:center}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}}
.hero-copy{display:grid;gap:1.5rem;min-width:0}
.hero-copy .lede{font-size:1.15rem;max-width:32rem;color:var(--fg-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem}
.pillars{display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;font-family:var(--mono);font-size:.76rem;letter-spacing:.08em;color:var(--fg-3)}
.pillars b{color:var(--fg);font-weight:500}
.brand-big{display:block;width:min(100%,420px);height:auto;color:var(--fg)}

/* chapters */
.chapter{border-top:1px solid var(--line);padding-block:clamp(56px,8vw,112px)}
.chapter .wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,6vw,80px);align-items:center}
@media (max-width:900px){.chapter .wrap{grid-template-columns:1fr}}
.chapter.flip .copy{order:2}
@media (max-width:900px){.chapter.flip .copy{order:0}}
.copy{display:grid;gap:1.2rem;min-width:0}
.copy .n{font-family:var(--display);font-size:5rem;font-weight:700;line-height:.8;color:var(--fg);opacity:.18}
.copy ul{margin:0;padding:0;list-style:none;display:grid;gap:.8rem}
.copy li{display:grid;grid-template-columns:22px 1fr;gap:.7rem;color:var(--fg-2);align-items:start}
.copy li b{color:var(--fg);font-weight:600}
.copy li i{display:block;width:14px;height:14px;border:1.5px solid var(--fg);border-radius:4px;margin-top:5px}
.copy li i.on{background:var(--fg)}

/* phone */
.phone{width:min(100%,330px);aspect-ratio:9/19;max-width:100%;margin:0 auto;background:var(--bg-2);border:1px solid var(--line);border-radius:38px;padding:12px;position:relative;box-shadow:0 40px 100px -50px rgba(0,0,0,.9)}
.phone .screen{background:var(--bg);border:1px solid var(--line);border-radius:28px;height:100%;overflow:hidden;display:flex;flex-direction:column;font-size:13px;position:relative}
.phone .screen>*{min-width:0}
.sb{display:flex;justify-content:space-between;padding:12px 18px 0;font-family:var(--mono);font-size:11px;color:var(--fg-3)}
.app-head{display:flex;align-items:center;justify-content:space-between;padding:10px 16px 6px}
.app-head svg{height:14px;width:auto;color:var(--fg)}
.app-head span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--fg-3)}
.pane{flex:1;overflow:auto;padding:4px 14px 14px;display:grid;gap:10px;align-content:start;scrollbar-width:none}
.pane::-webkit-scrollbar{display:none}
.seg{display:grid;grid-template-columns:repeat(3,1fr);background:var(--bg-3);border-radius:10px;padding:3px}
.seg button{font-family:var(--display);font-weight:600;font-size:12px;border:0;background:transparent;color:var(--fg-3);padding:7px 0;border-radius:8px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--fg);color:var(--bg)}
.lbl{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3);display:flex;justify-content:space-between}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-family:var(--display);font-weight:600;font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--fg-2);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.chip:disabled{opacity:.35;cursor:not-allowed}
.row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.big{font-family:var(--display);font-weight:700;font-size:26px;line-height:1}
.big small{font-family:var(--mono);font-size:10px;color:var(--fg-3);font-weight:400;margin-left:4px}
input[type=range]{width:100%;accent-color:var(--fg);margin:0}
.switch{width:44px;height:26px;border-radius:999px;background:var(--bg-3);border:1px solid var(--line);position:relative;cursor:pointer;flex:none}
.switch i{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--fg-3);transition:left .15s,background .15s}
.switch[aria-checked="true"]{background:var(--fg);border-color:var(--fg)}
.switch[aria-checked="true"] i{left:21px;background:var(--bg)}
.pbtn{font-family:var(--display);font-weight:600;font-size:13px;border:0;border-radius:12px;padding:12px;background:var(--fg);color:var(--bg);cursor:pointer;width:100%}
.pbtn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}
.ex{display:grid;grid-template-columns:1fr auto;gap:6px;padding:9px 10px;border:1px solid var(--line);border-radius:10px;align-items:center}
.ex b{font-size:12.5px;display:block}
.ex small{color:var(--fg-3);font-size:11px}
.ex .ss{font-family:var(--mono);font-size:11px;white-space:nowrap}
.ex.done{opacity:.4}
.timer{font-family:var(--display);font-weight:700;font-size:40px;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.figure{aspect-ratio:4/3;max-width:100%;background:var(--bg-3);border-radius:12px;display:grid;place-items:center;overflow:hidden;position:relative}
.figure::after{content:"PHOTO · FORM CHECK";position:absolute;left:10px;top:8px;font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--fg-3)}
.figure svg{width:70%;height:70%}
.steps{display:grid;gap:5px;color:var(--fg-2);font-size:12px}
.steps div{display:grid;grid-template-columns:16px 1fr;gap:6px}
.steps span{font-family:var(--mono);color:var(--fg-3)}
.meal{display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center;padding:8px 10px;border:1px solid var(--line);border-radius:10px}
.meal .ok{width:22px;height:22px;border-radius:7px;border:1.5px solid var(--fg);background:transparent;cursor:pointer;display:grid;place-items:center;color:var(--bg);padding:0}
.meal .ok[aria-pressed="true"]{background:var(--fg)}
.meal b{font-size:12.5px;display:block}.meal small{color:var(--fg-3);font-size:11px}
.meal .kc{font-family:var(--mono);font-size:11px;color:var(--fg-2)}
.meal.done b{text-decoration:line-through;color:var(--fg-3)}
.scan{border:1px dashed var(--line);border-radius:12px;padding:10px;display:grid;gap:8px}
.plate{aspect-ratio:16/10;max-width:100%;border-radius:10px;background:var(--bg-3);display:grid;place-items:center;position:relative;overflow:hidden}
.plate svg{width:60%;height:70%}
.plate .scanline{position:absolute;left:0;right:0;height:2px;background:var(--fg);opacity:.9;animation:scan 1.4s linear infinite}
@keyframes scan{0%{top:0}100%{top:100%}}
.items{display:grid;gap:5px;font-size:12px}
.items div{display:grid;grid-template-columns:1fr auto;gap:6px}
.items span{font-family:var(--mono);font-size:10.5px;color:var(--fg-3);white-space:nowrap}
.macros{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;text-align:center}
.macros div{background:var(--bg-3);border-radius:8px;padding:6px 2px}
.macros b{display:block;font-family:var(--display);font-size:14px}
.macros small{font-family:var(--mono);font-size:9px;color:var(--fg-3);letter-spacing:.08em}
.ring{position:relative;width:150px;height:150px;margin:0 auto}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring .c{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.ring .c b{font-family:var(--display);font-size:24px;line-height:1}
.ring .c small{font-family:var(--mono);font-size:10px;color:var(--fg-3)}
.glass{display:flex;align-items:center;justify-content:center;gap:10px;font-family:var(--display);font-weight:600;font-size:14px;border:1px solid var(--fg);background:transparent;color:var(--fg);border-radius:14px;padding:12px;cursor:pointer;width:100%}
.glass:active{background:var(--fg);color:var(--bg)}
.glass svg{width:22px;height:22px}
.bars{display:grid;gap:8px}
.bar{display:grid;grid-template-columns:70px 1fr 74px;gap:8px;align-items:center;font-size:12px}
.bar .t{height:8px;background:var(--bg-3);border-radius:999px;overflow:hidden}
.bar .f{height:100%;background:var(--fg);border-radius:999px;transition:width .3s}
.bar .v{font-family:var(--mono);font-size:10.5px;text-align:right;color:var(--fg-2);white-space:nowrap}
.vits{display:flex;flex-wrap:wrap;gap:5px}
.vits span{font-family:var(--mono);font-size:10px;border:1px solid var(--line);border-radius:999px;padding:3px 8px;color:var(--fg-2)}
.vits span.ok{border-color:var(--fg);color:var(--fg)}

/* profile */
.profile{border-top:1px solid var(--line);padding-block:clamp(56px,8vw,112px);background:var(--bg-2)}
.profile .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,6vw,80px);align-items:start}
@media (max-width:900px){.profile .wrap{grid-template-columns:1fr}}
.form{display:grid;gap:1rem;background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:clamp(1rem,3vw,1.6rem)}
.field{display:grid;gap:.45rem}
.field label{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3)}
.field input{font:inherit;padding:.7rem .9rem;border-radius:10px;border:1px solid var(--line);background:var(--bg-2);color:var(--fg);min-width:0;width:100%}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.goals{display:flex;flex-wrap:wrap;gap:.45rem}
.goals .chip{font-size:.85rem;padding:.5rem .85rem}
.derived{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}
@media (max-width:520px){.derived{grid-template-columns:1fr 1fr}}
.derived div{border:1px solid var(--line);border-radius:12px;padding:.8rem .9rem;background:var(--bg-2)}
.derived b{display:block;font-family:var(--display);font-size:1.5rem;line-height:1.1}
.derived small{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-3)}

/* watch + waitlist */
.watch{border-top:1px solid var(--line);padding-block:clamp(48px,7vw,96px)}
.watch .wrap{display:grid;grid-template-columns:auto 1fr;gap:2rem;align-items:center}
@media (max-width:700px){.watch .wrap{grid-template-columns:1fr}}
.wface{width:140px;height:170px;border-radius:38px;background:var(--bg-2);border:1px solid var(--line);display:grid;place-items:center;position:relative}
.wface::before,.wface::after{content:"";position:absolute;left:40px;right:40px;height:18px;background:var(--bg-3);border-radius:6px}
.wface::before{top:-18px}.wface::after{bottom:-18px}
.wface .in{width:112px;height:140px;border-radius:30px;background:var(--bg);border:1px solid var(--line);display:grid;place-items:center;text-align:center}
.wface .in b{font-family:var(--display);font-size:26px;line-height:1}
.wface .in small{font-family:var(--mono);font-size:9px;color:var(--fg-3);letter-spacing:.1em}
.waitlist{border-top:1px solid var(--line);padding-block:clamp(56px,8vw,112px)}
.waitlist .wrap{display:grid;gap:1.4rem;max-width:40rem;text-align:center;justify-items:center}
form.wl{display:grid;grid-template-columns:1fr auto;gap:.5rem;width:100%;max-width:30rem}
@media (max-width:480px){form.wl{grid-template-columns:1fr}}
form.wl input{font:inherit;padding:.85rem 1rem;border-radius:999px;border:1px solid var(--line);background:var(--bg-2);color:var(--fg);min-width:0}
footer{border-top:1px solid var(--line);padding-block:2rem;color:var(--fg-3);font-size:.8rem}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;align-items:center}
footer svg{height:14px;width:auto;color:var(--fg)}

/* multi-page additions */
nav ul a[aria-current="page"]{color:var(--fg);font-weight:600}
.page-hero{padding-block:clamp(44px,7vw,96px) clamp(28px,4vw,48px)}
.page-hero .wrap{display:grid;gap:1rem;max-width:46rem}
.page-hero h1{font-size:clamp(2.2rem,5.5vw,4rem)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media (max-width:860px){.cards{grid-template-columns:1fr}}
.card{display:grid;gap:.7rem;align-content:start;padding:1.4rem;border:1px solid var(--line);border-radius:20px;text-decoration:none;background:var(--bg-2);min-width:0}
.card:hover{border-color:var(--fg)}
.card .n{font-family:var(--display);font-size:2.4rem;font-weight:700;line-height:1;opacity:.25}
.card h3{font-size:1.3rem}
.card p{color:var(--fg-2);font-size:.95rem}
.card .go{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg)}
.section{padding-block:clamp(48px,7vw,96px);border-top:1px solid var(--line)}
.section .wrap{display:grid;gap:1.2rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;align-items:stretch}
@media (max-width:900px){.tiers{grid-template-columns:1fr}}
.tier{display:grid;gap:1rem;align-content:start;padding:clamp(1.2rem,3vw,1.8rem);border:1px solid var(--line);border-radius:20px;background:var(--bg-2);min-width:0}
.tier.hi{border-color:var(--fg);box-shadow:0 0 0 1px var(--fg) inset}
.tier .amt{font-family:var(--display);font-weight:700;font-size:2.6rem;line-height:1;letter-spacing:-.02em}
.tier .amt small{font-family:var(--mono);font-size:.78rem;color:var(--fg-3);font-weight:400;letter-spacing:0}
.tier ul{margin:0;padding:0;list-style:none;display:grid;gap:.55rem;color:var(--fg-2);font-size:.95rem}
.tier li{display:grid;grid-template-columns:18px 1fr;gap:.6rem;align-items:start}
.tier li::before{content:"";width:12px;height:12px;border:1.5px solid var(--fg);border-radius:4px;margin-top:5px;background:var(--fg)}
.tier li.off{color:var(--fg-3)}.tier li.off::before{background:transparent;border-color:var(--fg-3)}
.badge{display:inline-flex;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;padding:.3rem .6rem;border-radius:999px;border:1px solid var(--fg);color:var(--fg);width:max-content}
.badge.fill{background:var(--fg);color:var(--bg)}
.faq details{border-top:1px solid var(--line);padding:1rem 0}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-family:var(--display);font-weight:600;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::after{content:"+";font-family:var(--mono)}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--fg-2);margin-top:.6rem;max-width:62ch}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media (max-width:860px){.steps3{grid-template-columns:1fr}}
.steps3 div{display:grid;gap:.4rem;padding:1.2rem;border:1px solid var(--line);border-radius:16px}
.steps3 b{font-family:var(--display);font-size:1.05rem}
.steps3 p{color:var(--fg-2);font-size:.92rem}
/* legal pages */
.legal{max-width:760px}.legal h2{font-family:var(--display);font-size:1.25rem;margin:2rem 0 .6rem}.legal p,.legal li{color:var(--fg-2);font-size:.97rem;line-height:1.65}.legal ul{padding-left:1.2rem;display:grid;gap:.35rem}.legal .meta{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-3)}