/* public_v3.css — selfhacking.com public design system (dark). Tokens = admin :root triplets. Cap 32,000 B. */
/* 1 tokens */
:root{color-scheme:dark;
--surface-0:10 10 12;--surface-1:10 10 12;--surface-2:19 19 22;--surface-3:28 28 32;--surface-4:38 38 44;
--edge:34 34 42;--edge-strong:52 52 62;--edge-input:90 93 105;
--ink-0:244 245 247;--ink-1:175 178 187;--ink-2:122 125 135;--ink-3:85 88 97;
--accent:124 92 255;--secondary:34 211 238;--chart-pos:34 197 94;--chart-neg:244 63 94;
--selection-bg:rgba(124,92,255,.32);
--ink:var(--surface-1);--slate:var(--surface-2);--slate-2:var(--surface-3);
--paper:var(--ink-0);--ash:var(--ink-1);--ash-2:var(--ink-2);--disabled:var(--ink-3);
--signal:var(--accent);--assay:var(--secondary);--ok:var(--chart-pos);--err:var(--chart-neg);
--grad:linear-gradient(135deg,rgb(var(--signal)),rgb(var(--assay)));--grad-h:linear-gradient(90deg,rgb(var(--signal)),rgb(var(--assay)));
--font-sans:'Geist','Geist Fallback',system-ui,sans-serif;--font-mono:'JetBrains Mono','JetBrains Mono Fallback',ui-monospace,monospace;
--sig:rgb(var(--signal));--line:1px solid rgb(var(--edge));--line-strong:1px solid rgb(var(--edge-strong));--z-bar:90;--z-masthead:100;--z-drawer:200;--z-dialog:300;--masthead-h:56px;--wrap:1180px;--measure:680px;--pad:24px;
/* colour aliases; --ink/--ink-n/--edge/--accent are TRIPLETS */
--bg:rgb(var(--ink));--bg-soft:rgb(var(--slate));
--text:rgb(var(--paper));--text-2:rgb(var(--ash));--text-3:rgb(var(--ash-2));--cyan:rgb(var(--assay))}
/* 2 reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px;scroll-behavior:smooth}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:400 16px/1.5 var(--font-sans);font-feature-settings:"ss01","cv11";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
main{flex:1 0 auto}
::selection{background:var(--selection-bg);color:var(--text)}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,fieldset{margin:0}
fieldset{padding:0;border:0;min-width:0}
ul[class],ol[class]{list-style:none;margin:0;padding:0}
a{color:inherit;text-decoration:none}
img,video,svg{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{background:none;border:0;padding:0;cursor:pointer;text-align:inherit}
table{border-collapse:collapse;width:100%}
hr,.hr{border:0;border-top:var(--line);margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
:focus:not(:focus-visible){outline:0}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:16px;top:-60px;z-index:var(--z-dialog);padding:10px 16px;background:var(--bg-soft);border:var(--line-strong);border-radius:6px;font-size:13px;font-weight:500}
.skip-link:focus{top:8px}
/* 3 type */
.q,.price,.t-meta,.entry-meta,.rail-num,.crumbs,.byline .q,.figcaption,.prose figcaption,.toc-list a::before,.refs li::before,.fn-back,.prose sup,.fn-ref,.ptable-v,.grade,.timeline-node,.offer-facts,.steps,.co-refund,.cart-item-price,.stepper-qty,.srow-price,.ing-dose,.comment-date,.footer-bottom,.bar-sub,.prose code,.prose pre{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-variant-ligatures:none}
.t-display{font-size:clamp(34px,4.4vw,54px);font-weight:500;line-height:1.08;letter-spacing:-.02em;max-width:22ch}
.lead-title{font-size:40px;font-weight:500;line-height:1.08;letter-spacing:-.02em;max-width:22ch}
.t-page{font-size:32px;font-weight:500;line-height:1.1;letter-spacing:-.02em}
.t-h2,.entry-title,.prose h2{font-size:22px;font-weight:500;line-height:1.2;letter-spacing:-.01em;color:var(--text)}
.t-h3,.prose h3,.fieldset>legend,.fieldset-title{font-size:18px;font-weight:500;line-height:1.3;color:var(--text)}
.t-dek{font-size:20px;line-height:1.45;color:var(--text-2);max-width:60ch}
.t-label,.entry-cat,.offer-eyebrow,.rail-label,.ptable-k,.label,.field>label,.toc-label,.nav-drawer-label,.footer-h{font-size:13px;font-weight:500;color:var(--text-2);letter-spacing:0}
.t-meta,.entry-meta,.crumbs,.figcaption,.prose figcaption,.comment-date,.footer-bottom,.bar-sub,.offer-facts,.co-refund{font-size:13px;color:var(--text-3);line-height:1.5}
.q-500,.price{font-weight:500}
.live,.ptable-v .live{color:var(--cyan)}
.muted{color:var(--text-2)}
.muted-2{color:var(--text-3)}
.tl,.entry-title a,.lead-title a,.rail-title a,.offer-name a,.srow-name{text-decoration:underline;text-decoration-thickness:1px;text-decoration-color:transparent;text-underline-offset:.14em;transition:text-decoration-color .12s,text-decoration-thickness .12s}
.tl:hover,.entry-title a:hover,.lead-title a:hover,.rail-title a:hover,.offer-name a:hover,.srow-name:hover{text-decoration-thickness:2px;text-decoration-color:var(--sig)}
.link,.prose a,.refs a{color:var(--sig);text-decoration:underline;text-decoration-thickness:1px;text-decoration-color:rgb(var(--signal)/.4);text-underline-offset:.12em;transition:text-decoration-color .12s,text-decoration-thickness .12s}
.prose :is(.offer-name,.entry-title) a{color:var(--text);text-decoration-color:transparent}
.prose a.sh-inline-link{color:inherit;text-decoration-color:rgb(var(--ash)/.4)}
.link:hover,.prose a:hover,.refs a:hover{text-decoration-thickness:2px;text-decoration-color:var(--sig)}
@media(max-width:768px){.lead-title{font-size:32px}.t-page{font-size:28px}.t-dek{font-size:18px}}
/* 4 layout */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.measure{max-width:var(--measure)}
.page{padding-top:32px;padding-bottom:64px}
.page-head{display:flex;flex-direction:column;gap:12px;margin-bottom:32px}
.section{margin-top:64px}
.section-head{display:flex;flex-direction:column;gap:6px;padding-bottom:12px;border-bottom:var(--line);margin-bottom:24px}
.rule{height:3px;background:var(--grad-h);border:0;margin:0}
.rule--refs{margin:64px 0 24px}
.panel{background:var(--bg-soft);border:var(--line);border-radius:8px;padding:24px}
.layout-article,.layout-home,.layout-product,.layout-checkout{display:grid;gap:40px}
[class*=layout-]>*{min-width:0}
.rail,.data-margin,.checkout-summary{display:flex;flex-direction:column;gap:32px;min-width:0}
.data-margin{gap:24px}
.art-body,.data-margin{max-width:var(--measure)}
@media(min-width:769px){.layout-product{grid-template-columns:5fr 6fr;align-items:start}.tray{grid-row:1/3;position:sticky;top:80px}}
@media(min-width:1024px){
.layout-home{grid-template-columns:minmax(0,760px) 320px;gap:48px;align-items:start}
.layout-product{grid-template-columns:420px minmax(0,620px)}
.layout-checkout{grid-template-columns:minmax(0,560px) 380px;gap:48px;align-items:start}
.rail,.checkout-summary{position:sticky;top:80px}}
@media(min-width:1180px){
.layout-article{grid-template-columns:200px var(--measure);gap:48px;align-items:start}
.data-margin{position:sticky;top:80px}}
@media(max-width:768px){:root{--pad:16px}.section{margin-top:48px}.page{padding-top:24px;padding-bottom:48px}.page-head{margin-bottom:24px}.panel{padding:20px}.layout-article{gap:0}.page-article .crumbs span:nth-last-child(-n+2){display:none}.page-article .art-head{padding-top:8px}}
/* 5 masthead */
.masthead{position:sticky;top:0;z-index:var(--z-masthead);background:rgb(var(--ink)/.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.masthead-bar{border-bottom:var(--line)}
.masthead-inner{height:var(--masthead-h);display:flex;align-items:center;gap:28px}
.wordmark{font-size:20px;font-weight:500;color:var(--text);line-height:1;flex:none;letter-spacing:-.01em}
.nav,.nav-list{display:flex;align-items:center;gap:22px;height:100%}
.nav-list>li{position:relative;height:100%}
.nav-list>li>a{display:inline-flex;align-items:center;height:100%;padding-top:2px;font-size:14px;font-weight:500;color:rgb(var(--paper)/.8);border-bottom:2px solid transparent;transition:color .12s,border-color .12s;white-space:nowrap}
.nav-list>li>a:hover,.nav-list>li>a.is-active{color:var(--text);border-bottom-color:var(--sig)}
.nav-menu{position:absolute;left:-14px;top:100%;min-width:200px;padding:6px 0;background:var(--bg-soft);border:var(--line);border-radius:4px;display:none}
.nav-list>li:hover>.nav-menu,.nav-list>li:focus-within>.nav-menu{display:block}
.nav-menu a{display:flex;align-items:center;height:40px;padding:0 14px;font-size:14px;font-weight:500;color:rgb(var(--paper)/.8)}
.nav-menu a:hover{color:var(--text);background:rgb(var(--slate-2))}
.masthead-tools{margin-left:auto;display:flex;align-items:center;gap:2px}
.icon-btn{position:relative;width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;color:var(--text);flex:none}
.icon-btn:hover{background:rgb(var(--slate-2))}
.icon-btn svg{width:20px;height:20px}
.cart-badge{position:absolute;top:2px;right:0;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--sig);color:var(--bg);font-family:var(--font-mono);font-size:10px;font-weight:500;line-height:16px;text-align:center;display:none}
.cart-badge.is-on{display:block}
.hamburger{display:none}
.masthead-rule{position:relative;height:3px;background:var(--grad-h)}
.gauge{position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--cyan)}
.scrim{position:fixed;inset:0;z-index:calc(var(--z-drawer) - 1);background:rgb(var(--ink)/.6);opacity:0;pointer-events:none;transition:opacity .2s}
.scrim.is-open{opacity:1;pointer-events:auto}
.nav-drawer{position:fixed;top:0;left:0;bottom:0;width:min(320px,88vw);z-index:var(--z-drawer);background:var(--bg-soft);border-right:var(--line);transform:translateX(-100%);transition:transform .24s,visibility .24s;visibility:hidden;display:flex;flex-direction:column;overflow-y:auto}
.nav-drawer.is-open{transform:none;visibility:visible}
.nav-drawer-head{height:var(--masthead-h);flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 8px 0 16px;border-bottom:var(--line)}
.nav-drawer-label{padding:20px 16px 8px}
.nav-drawer-list a{display:flex;align-items:center;min-height:48px;padding:0 16px;font-size:17px;border-bottom:var(--line)}
.nav-drawer-list a:hover,.nav-drawer-list a.is-active{background:rgb(var(--slate-2))}
.nav-drawer-foot{margin-top:auto;padding:12px 16px 16px;border-top:var(--line);display:flex;flex-direction:column}
.nav-drawer-foot a{font-size:14px;color:var(--text-2);min-height:40px;display:flex;align-items:center}
body.is-locked{overflow:hidden}
@media(max-width:1023px){.nav{display:none}.hamburger{display:inline-flex}}
@media(max-width:768px){:root{--masthead-h:48px}.wordmark{font-size:18px}.icon-btn{width:44px;height:44px}.masthead-tools{gap:0}}
/* 6 entry row */
.river{display:flex;flex-direction:column}
.entry{display:grid;grid-template-columns:1fr 120px;gap:20px;padding:20px 0;border-top:var(--line);align-items:start}
.entry-body{min-width:0;display:flex;flex-direction:column;gap:6px}
.entry-dek{font-size:15px;line-height:1.45;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-meta{margin-top:2px}
.entry-cta{margin-top:8px;display:flex;gap:8px;align-items:center}
.entry-thumb,.srow-img,.cart-item-thumb,.offer-thumb,.tray-thumb,.tray-main,.figure img,.prose img,.lead-media img{border-radius:4px;border:var(--line)}
.entry-thumb{width:120px;height:90px;object-fit:cover}
.entry--product .entry-thumb{object-fit:contain;background:var(--bg-soft)}
@media(max-width:768px){.entry{grid-template-columns:1fr 96px;gap:6px 16px}.entry-thumb{width:96px;height:96px}.entry-title{font-size:19px}.river .entry-body{display:contents}.entry--product .entry-body{display:flex}.river .entry>a,.river .entry>img{grid-column:2;grid-row:1/3}.river .entry-dek,.river .entry-meta{grid-column:1/-1}.entry-cat a,.lead .t-label a{display:inline-block;padding:6px 0;margin:-6px 0}}
/* 7 home */
.lead{display:grid;gap:24px;align-items:start;padding-bottom:40px;border-bottom:var(--line)}
.lead-body{display:flex;flex-direction:column;gap:14px;min-width:0}
.lead-dek{font-size:18px;line-height:1.45;color:var(--text-2);max-width:52ch}
.lead-media img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.rail-section{display:flex;flex-direction:column}
.rail-label{padding-bottom:8px;border-bottom:var(--line)}
.rail-item{display:grid;grid-template-columns:28px 1fr;gap:8px;padding:12px 0;border-bottom:var(--line)}
.rail-num{padding-top:2px}
.rail-title{font-size:15px;font-weight:500;line-height:1.35}
@media(min-width:1024px){.lead{grid-template-columns:7fr 5fr;gap:48px}}
@media(max-width:768px){.lead{padding-bottom:24px}}
.river--b{border-bottom:var(--line)}.page-home .page{padding-bottom:0}
@media(max-width:1023px){.layout-home{gap:0}.main-col,.rail{display:contents}.offer--rail{order:1;margin-top:24px}.river--b{order:2;margin-top:24px}.rail>nav{order:3;margin-top:40px}.lead-media{order:-1}}
/* 8 article */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;line-height:1.4}
.crumbs a:hover{color:var(--text)}
.art-head{display:flex;flex-direction:column;gap:16px;padding:32px 0 28px;max-width:var(--measure)}
.byline{font-size:14px;font-weight:500;display:flex;flex-wrap:wrap;gap:8px;align-items:center;line-height:1.4}
.byline .q{font-weight:400;font-size:13px;color:var(--text-3)}
.byline .sep{color:var(--text-3)}
.figure{margin:0 0 32px}
.figure img{width:100%}
.figure--hero img{aspect-ratio:16/9;object-fit:cover}
.prose .art-inline-img{width:100%;aspect-ratio:2/1;object-fit:cover}
.figcaption,.prose figcaption{margin-top:8px;font-size:12px;line-height:1.45}
.prose{font-size:18px;line-height:1.65;color:rgb(var(--paper)/.86);max-width:var(--measure)}
.prose p,.prose ul,.prose ol,.prose blockquote,.prose figure,.prose table,.prose pre,.prose dl{margin:0 0 1.35em}
.prose h2{margin:2.4em 0 .7em}
.prose>:first-child{margin-top:0}
.prose h3{margin:1.8em 0 .5em}
.prose h4{font-size:16px;font-weight:500;line-height:1.35;color:var(--text);margin:1.5em 0 .4em}
.prose strong,.prose b{font-weight:500;color:var(--text)}
.prose em,.prose i{font-style:normal;color:var(--text)}
.prose ul,.prose ol{padding-left:1.4em}
.prose li+li{margin-top:.4em}
.prose blockquote,.pull{padding:4px 0 4px 20px;border-left:3px solid var(--sig);color:var(--text-2)}
.pull{font-size:20px;line-height:1.45;margin:32px 0}
.prose hr{margin:2.4em 0}
.prose table{font-size:15px;line-height:1.4;display:block;overflow-x:auto}
.prose th,.prose td{padding:10px 12px;border-bottom:var(--line);text-align:left;vertical-align:top}
.prose th{font-size:13px;font-weight:500;color:var(--text-2)}
.prose td{color:var(--text)}
.prose code{font-size:.88em;background:var(--bg-soft);padding:.1em .35em;border-radius:3px}
.prose pre{font-size:14px;line-height:1.5;background:var(--bg-soft);border:var(--line);border-radius:4px;padding:16px;overflow:auto}
.prose .q{font-size:.92em;color:var(--text)}
.prose sup,.fn-ref{font-size:11px;line-height:0;vertical-align:baseline;position:relative;top:-.55em;color:var(--sig);font-weight:400}
.prose sup a,.fn-ref a{color:inherit;text-decoration:none}
.prose .offer{margin:32px 0;font-size:15px;line-height:1.45;color:var(--text)}
.prose .entry{font-size:16px;line-height:1.5;color:var(--text);margin:32px 0;border-bottom:var(--line)}
.prose :is(.offer,.entry) :is(p,ol){margin:0;padding:0}
.prose-end{font-size:14px;line-height:1.5;color:var(--text-3)}.prose-end :is(em,strong){color:inherit}
.prose .grade{margin:0 2px;position:relative;top:-1px}
.toc{display:flex;flex-direction:column;gap:8px}
.toc-list{counter-reset:toc;display:flex;flex-direction:column}
.toc-list li{counter-increment:toc}
.toc-list a{display:grid;grid-template-columns:26px 1fr;gap:6px;padding:6px 0 6px 10px;border-left:2px solid transparent;font-size:14px;line-height:1.35;color:var(--text-2);transition:color .12s,border-color .12s}
.toc-list a::before{content:counter(toc,decimal-leading-zero);font-size:12px;color:var(--text-3);padding-top:2px}
.toc-list a:hover{color:var(--text)}
.toc-list a.is-active{color:var(--text);border-left-color:var(--sig)}
.refs{counter-reset:ref;display:flex;flex-direction:column;gap:10px;font-size:13px;line-height:1.5;color:var(--text-2);max-width:var(--measure)}
.refs li{counter-increment:ref;position:relative;padding-left:40px}
.refs li::before{content:counter(ref,decimal-leading-zero);font-size:12px;color:var(--text-3);position:absolute;left:0;top:1px}
.refs a{overflow-wrap:anywhere}
.refs .q{font-size:12px;color:var(--text)}
.fn-back{font-size:11px;color:var(--sig)}
.fn-ref a,.fn-back{padding:10px 6px;margin:0 -6px}
.art-summary{display:flex;flex-direction:column;gap:8px;margin-bottom:32px}
.art-summary-list li,.glist li{padding:8px 0;border-bottom:var(--line);font-size:16px;line-height:1.5;color:rgb(var(--paper)/.86)}
.section-head+.river>.entry:first-child{border-top:0}
.share{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.sticky-title{position:fixed;top:calc(var(--masthead-h) + 3px);left:0;right:0;z-index:var(--z-bar);height:44px;background:rgb(var(--slate)/.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:var(--line);transform:translateY(-110%);transition:transform .2s;display:none}
.sticky-title.is-on{transform:none}
.sticky-title-inner{height:44px;display:flex;align-items:center;gap:16px;font-size:14px;font-weight:500;white-space:nowrap;min-width:0}
.sticky-title-inner span{overflow:hidden;text-overflow:ellipsis;min-width:0}
@media(min-width:1024px) and (max-width:1179px){.sticky-title{display:block}}
@media(max-width:640px){.prose{font-size:17px}.pull{font-size:18px}}
/* 9 ptable + grade */
.ptable{display:flex;flex-direction:column;font-size:14px}
.ptable-row{display:grid;grid-template-columns:minmax(96px,40%) 1fr;gap:12px;padding:12px 0;border-bottom:var(--line);align-items:baseline}
.ptable-row:first-child{border-top:var(--line)}
.ptable-v{font-size:14px;text-align:right;overflow-wrap:anywhere}
.ptable-row--total .ptable-k{color:var(--text);font-size:14px}
.ptable-row--total .ptable-v{font-weight:500;font-size:16px}
.grade{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:3px;font-size:12px;font-weight:500;line-height:1;vertical-align:middle;color:var(--text);border:1px solid transparent;flex:none}
.grade--a{background:var(--sig)}
.grade--b{background:rgb(var(--signal)/.55)}
.grade--c{border-color:var(--sig)}
.grade--d{border-color:var(--text-2);color:var(--text-2)}
.grade-key{display:inline-flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12px;color:var(--text-3)}
.grade-key span{display:inline-flex;align-items:center;gap:5px}
/* 10 offer */
.offer{background:var(--bg-soft);border:var(--line);border-radius:8px;padding:20px;display:flex;flex-direction:column;gap:12px;color:var(--text);font-size:15px;line-height:1.45}
.offer-head{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:start}
.offer-head>div{display:flex;flex-direction:column;gap:4px;min-width:0}
.offer-name{font-size:20px;font-weight:500;line-height:1.2;letter-spacing:-.01em}
.offer-thumb{width:72px;height:72px;object-fit:contain;background:var(--bg)}
.offer-spec{font-size:15px;color:var(--text-2)}
.offer-spec .q,.offer-terms .q,.offer-facts .q,.srow-line .q,.cart-item-terms .q,.bar-text .q{color:var(--text)}
.offer-price{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;font-size:15px}
.offer-price>.q{font-size:24px;font-weight:500;color:var(--cyan);line-height:1}
.offer-terms{font-size:15px}
.offer-cta{margin-top:4px}
.offer-facts{font-size:12px}
.offer--inline{margin:32px 0}
.offer--hero .offer-name{font-size:clamp(28px,9.4vw,36px);line-height:1.1;letter-spacing:-.02em}
.timeline{position:relative;padding-top:14px;margin-top:4px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:4px;height:3px;background:var(--grad-h);border-radius:2px}
.timeline-nodes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.timeline-node{position:relative;font-size:12px;line-height:1.4;color:var(--text-3)}
.timeline-node::before{content:"";position:absolute;top:-13px;left:0;width:9px;height:9px;border-radius:50%;background:var(--bg-soft);border:2px solid var(--sig)}
.timeline-node:nth-child(2){text-align:center}
.timeline-node:nth-child(2)::before{left:50%;margin-left:-4px}
.timeline-node:last-child{text-align:right}
.timeline-node:last-child::before{left:auto;right:0;border-color:var(--cyan)}
.timeline-node b{display:block;font-weight:500;color:var(--text)}
@media(min-width:769px){.offer{padding:24px}.offer--rail{padding:20px}}
/* 11 buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:6px;font-family:var(--font-sans);font-size:15px;font-weight:500;line-height:1;white-space:nowrap;border:1px solid transparent;cursor:pointer;color:var(--text);background:none;transition:filter .12s,background-color .12s,border-color .12s;letter-spacing:0}
.btn--primary,.btn-pill{background:var(--grad);color:var(--bg);border-color:transparent}
.btn--primary:hover,.btn-pill:hover{filter:brightness(1.06);color:var(--bg)}
.btn--ghost{border-color:rgb(var(--edge-strong))}
.btn--ghost:hover{background:var(--bg-soft)}
.btn--sm{height:36px;padding:0 14px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;filter:none}
@media(max-width:768px){.btn{height:48px}.btn--sm{height:40px}}
/* 12 forms */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.input,.select,.textarea{width:100%;height:44px;padding:0 12px;background:var(--bg-soft);border:var(--line-strong);border-radius:6px;color:var(--text);font-size:16px;line-height:1.3;transition:border-color .12s,box-shadow .12s;-webkit-appearance:none;appearance:none}
.textarea{height:auto;min-height:120px;padding:10px 12px;resize:vertical}
.select{-webkit-appearance:auto;appearance:auto;padding-right:8px}
.input::placeholder,.textarea::placeholder{color:var(--text-3)}
.input:focus,.select:focus,.textarea:focus,.stripe-el.is-focus{outline:0;border-color:var(--sig);box-shadow:0 0 0 3px rgb(var(--signal)/.25)}
.input.is-error,.field.is-error .input,.field.is-error .select,.stripe-el.is-error{border-color:rgb(var(--err))}
.field-error{font-size:13px;color:rgb(var(--err))}
.field-ok,.field-hint,.co-note{font-size:13px;color:var(--text-2);line-height:1.45}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.45;cursor:pointer}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--sig);flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.stripe-el{min-height:44px;padding:12px;background:var(--bg-soft);border:var(--line-strong);border-radius:6px;transition:border-color .12s,box-shadow .12s}
.notice{padding:12px 16px;border:var(--line);border-radius:4px;background:var(--bg-soft);font-size:14px;line-height:1.45}
.notice--error{color:rgb(var(--err))}
.login-panel{max-width:440px}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
/* 13 checkout */
.steps{display:flex;gap:24px;font-size:13px;font-weight:500;color:var(--text-3);margin-bottom:24px}
.step{display:flex;gap:8px;align-items:center;padding-bottom:8px;border-bottom:2px solid transparent}
.step.is-active{color:var(--text);border-bottom-color:var(--sig)}
.step.is-done{color:var(--text-2)}
.fieldset{margin-bottom:24px}
.fieldset>legend,.fieldset-title{margin-bottom:16px;padding:0}
.co-consent{font-size:15px;line-height:1.5}
.co-refund{font-size:12px;margin-top:8px}
.co-actions,.wallets{display:flex;flex-direction:column;gap:8px}
.co-actions{margin-top:24px}
@media(max-width:1023px){.layout-checkout>.checkout-summary{order:-1}}
/* 14 cart drawer */
.cart{position:fixed;top:0;right:0;bottom:0;width:min(420px,96vw);z-index:var(--z-drawer);background:var(--bg-soft);border-left:var(--line);transform:translateX(100%);transition:transform .24s,visibility .24s;display:flex;flex-direction:column;visibility:hidden}
.cart.is-open{transform:none;visibility:visible}
.cart-head{height:56px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 8px 0 20px;border-bottom:var(--line);font-size:15px;font-weight:500}
.cart-body{flex:1;overflow-y:auto;padding:0 20px;overscroll-behavior:contain}
.cart-empty{padding:48px 0;color:var(--text-2);font-size:15px;display:flex;flex-direction:column;gap:12px}
.cart-item{display:grid;grid-template-columns:56px 1fr auto;gap:14px;padding:16px 0;border-bottom:var(--line);align-items:start}
.cart-item-thumb{width:56px;height:56px;object-fit:contain;background:var(--bg)}
.cart-item-body{min-width:0;display:flex;flex-direction:column;gap:4px}
.cart-item-name{font-size:14px;font-weight:500;line-height:1.3}
.cart-item-terms{font-size:13px;color:var(--text-2);line-height:1.4}
.cart-item-price{font-size:14px;text-align:right;padding-top:2px}
.cart-item-actions{display:flex;align-items:center;gap:10px;margin-top:6px}
.stepper{display:inline-flex;align-items:center;border:var(--line-strong);border-radius:6px}
.stepper-btn{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1}
.stepper-btn[disabled]{opacity:.4;cursor:default;background:none}
.stepper-qty{min-width:28px;text-align:center;font-size:13px}
.cart-remove{font-size:13px;color:var(--text-3);text-decoration:underline;text-underline-offset:.12em}
.cart-foot{flex:none;padding:12px 20px 20px;border-top:var(--line);display:flex;flex-direction:column;gap:12px}
.cart-foot .ptable-row:first-child,.cart-foot [hidden]+.ptable-row{border-top:0}
.cart-ship{font-size:13px;color:var(--text-2);line-height:1.4}
/* 15 shop */
.srow{display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-top:var(--line)}
.srow-img{width:96px;height:96px;object-fit:contain;background:var(--bg-soft)}
.srow-body{min-width:0;display:flex;flex-direction:column;gap:4px}
.srow-name{font-size:18px;font-weight:500;line-height:1.25}
.srow-line{font-size:15px;color:var(--text-2);line-height:1.45}
.srow-cta{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.srow-price{font-size:15px}
@media(max-width:640px){.srow{grid-template-columns:72px 1fr;gap:16px}.srow-img{width:72px;height:72px}.srow-cta{grid-column:2/-1;flex-direction:row;align-items:center;justify-content:space-between}}
/* 16 product */
.tray{display:flex;flex-direction:column;gap:8px}
.tray-main{aspect-ratio:1/1;width:100%;background:var(--bg);overflow:hidden}
.tray-main img,.tray-thumb img{width:100%;height:100%;object-fit:contain}
.tray-thumbs{display:grid;grid-template-columns:repeat(3,72px);gap:8px}
.tray-thumb{aspect-ratio:1/1;overflow:hidden;background:var(--bg);padding:0;display:block}
.tray-thumb.is-active{outline:2px solid var(--sig);outline-offset:-2px}
.layout-product{row-gap:0}
@media(max-width:768px){#offer-hero{order:-1}.tray{margin-top:24px}}
.layout-product--solo{grid-template-columns:minmax(0,var(--measure))}
.nowrap{white-space:nowrap}
.ing{display:flex;flex-direction:column}
.ing-row{display:grid;grid-template-columns:1fr auto;gap:4px 16px;padding:12px 0;border-bottom:var(--line)}
.ing-name{font-size:15px;font-weight:500}
.ing-dose{font-size:14px;text-align:right}
.ing-note{grid-column:1/-1;font-size:14px;color:var(--text-2);line-height:1.45}
.ing-grid{display:grid;gap:24px}.ing-grid .figure{margin:0}
@media(min-width:1024px){.ing-grid{grid-template-columns:1fr 240px}}
.faq{border-bottom:var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 0;font-size:16px;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);font-size:16px;color:var(--text-3);flex:none}
.faq[open] summary::after{content:"\2212"}
.faq-body{padding:0 0 16px;font-size:15px;line-height:1.55;color:rgb(var(--paper)/.86)}
.disclaimer{font-size:13px;line-height:1.5;color:var(--text-2)}
/* 17 bars */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:var(--z-bar);min-height:56px;background:var(--bg-soft);border-top:var(--line);transform:translateY(100%);transition:transform .24s,visibility .24s;visibility:hidden;display:none;padding-bottom:env(safe-area-inset-bottom,0px)}
.bar.is-on{transform:none;visibility:visible}
.bar--receipt::before{content:"";position:absolute;left:0;right:0;top:-1px;height:2px;background:var(--grad-h)}
.bar-inner{display:flex;align-items:center;gap:12px;min-height:56px;padding:6px 16px}
.bar-text{font-size:14px;line-height:1.3;flex:1;min-width:0}
.bar-sub{font-size:12px;display:block;margin-top:2px}
.bar .btn{flex:none}
.bar .icon-btn{width:44px;height:44px;margin:-4px 0;color:var(--text-2)}
@media(max-width:768px){.bar{display:block}body.has-bar{padding-bottom:56px}.bar .btn{height:44px}}
/* 18 comments */
.comments{margin-top:64px;max-width:var(--measure)}
.comment{padding:16px 0;border-top:var(--line);font-size:15px;line-height:1.55}
.comment-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:6px}
.comment-name{font-weight:500}
.comment-date{font-size:12px}
.comment-body{color:rgb(var(--paper)/.86)}
.comment-actions{display:flex;gap:8px;margin-top:10px;align-items:center}
.comment--reply{margin-left:32px}
@media(max-width:640px){.comment--reply{margin-left:16px}}
/* 19 footer */
.footer{margin-top:64px;background:var(--bg-soft);border-top:var(--line);padding:40px 0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.footer-h{color:var(--text);margin:0 0 12px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover,.footer-bottom a:hover{color:var(--text)}
.footer-bottom{margin-top:32px;padding-top:16px;border-top:var(--line);display:flex;flex-wrap:wrap;gap:8px 24px;font-size:12px}
@media(max-width:768px){.footer{margin-top:48px;padding:32px 0 20px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}
/* 20 utilities */
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:0s!important;animation:none!important}}
.stack>*+*{margin-top:16px}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.center{text-align:center;margin-left:auto;margin-right:auto}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mb-16{margin-bottom:16px}
@media(max-width:768px){.hide-m{display:none!important}}
/* guides */
.tray--doc{max-width:420px;margin-inline:auto}
.tray--doc .tray-main{aspect-ratio:auto}
.tray--doc .tray-thumbs{grid-template-columns:repeat(4,1fr)}
.tray--doc .tray-thumb{aspect-ratio:3/4}
.tray--doc .tray-thumb img{object-fit:cover}
.chap li{display:grid;grid-template-columns:28px 1fr auto;gap:2px 10px;padding:10px 0;border-bottom:var(--line);font-size:15px;line-height:1.4}
.chap-n,.chap-p{font-size:12px;color:var(--text-3);padding-top:3px}
.chap-sub{grid-column:2/-1;font-size:13px;line-height:1.45;color:var(--text-2)}
.pages{display:grid;gap:24px}.pages>*{margin:0}.pages a{display:block;cursor:zoom-in}
@media(min-width:600px){.pages{grid-template-columns:1fr 1fr}}
.entry-thumb--cover{width:90px;height:120px;object-fit:cover;margin-left:auto}
@media(max-width:768px){.entry-thumb--cover{width:72px;height:96px}}
.srow-img--cover{height:128px}.offer-thumb--cover{width:60px;height:80px}.cart-item-thumb--cover{height:75px}
.srow-img--cover,.offer-thumb--cover,.cart-item-thumb--cover{object-fit:cover}
@media(max-width:640px){.srow-img--cover{height:96px}}
/* /guides */
/* consent + disclosure (2026-09-04) */.consent{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--slate);border-top:1px solid var(--edge)}.consent-inner{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:12px 0}.consent-text{margin:0;font-size:14px;line-height:1.45;color:var(--ash)}.consent-actions{display:flex;gap:8px;flex:none}@media (max-width:640px){.consent-inner{flex-direction:column;align-items:stretch}.consent-actions{justify-content:flex-end}}.disclosure{margin:10px 0 0;font-size:13px;line-height:1.5;color:var(--ash)}
/* about: bio card (2026-09-12) */.bio{display:flex;gap:20px;align-items:flex-start;padding:20px;border-radius:12px;background:var(--bg-soft);border:var(--line);margin:0 0 1.35em}.bio>picture{flex:none;width:120px;height:120px;display:block}.prose .bio-img{width:120px;height:120px;border-radius:50%;object-fit:cover;border:0;display:block}.bio-name{margin:0;font-weight:500;font-size:18px}.bio .t-meta{margin:2px 0 10px}.bio p:last-child{margin:0}@media (max-width:520px){.bio{flex-direction:column}}