/* GymStarterGuide – shared styles */
@font-face{font-family:"GSG Display";src:url(fonts/gsg-display.woff) format("woff");font-weight:800;font-style:normal;font-display:swap}
:root{--display:"GSG Display",Impact,"Arial Narrow Bold",system-ui,sans-serif;--floor:#1b1d21;--iron:#262a30;--iron2:#2e3238;--line:#3a4048;--chalk:#ece8df;--soft:#d9d5cb;--mute:#a4aab3;--blue:#4d82ff;--btn:#2f66e0;--amber:#e8b923;--green:#38b26a;--red:#e5604f;color-scheme:dark}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{background:var(--floor);color:var(--chalk);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
h1,h2,h3,.logo{font-family:var(--display);font-weight:800;letter-spacing:-.02em;line-height:1.08}
a{color:inherit}
img,svg{max-width:100%}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--chalk);color:var(--floor);padding:8px 14px;border-radius:8px;z-index:20}
.skip:focus{left:8px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* header */
header.site{position:sticky;top:0;z-index:10;background:rgba(27,29,33,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-size:1.5rem;text-decoration:none}
nav.main{display:flex;gap:26px}
nav.main a{text-decoration:none;color:var(--mute);padding:4px 0;border-bottom:2px solid transparent}
nav.main a:hover{color:var(--chalk)}
nav.main a[aria-current=page]{color:var(--chalk);border-bottom-color:var(--blue)}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--chalk);border-radius:8px;padding:6px 12px;font:inherit;cursor:pointer}
@media(max-width:760px){.burger{display:block}nav.main{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;background:var(--floor);border-bottom:1px solid var(--line)}nav.main.open{display:flex}nav.main a{padding:14px 20px;border-bottom:0}}

/* buttons & small controls */
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:13px 22px;border-radius:10px;text-decoration:none;font-weight:700;border:1px solid var(--line);background:none;color:var(--chalk);font-family:inherit;font-size:1rem;cursor:pointer}
.btn.main{background:var(--btn);border-color:var(--btn);color:#fff}
.btn:hover{filter:brightness(1.12)}
.ghost{background:none;border:1px solid var(--line);color:var(--mute);border-radius:8px;padding:8px 14px;font:inherit;font-size:.9rem;cursor:pointer}
.ghost:hover{color:var(--chalk)}
.chips{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.chips button{background:none;border:1px solid var(--line);color:var(--mute);border-radius:99px;padding:8px 18px;font:inherit;cursor:pointer}
.chips button[aria-pressed=true]{background:var(--chalk);color:var(--floor);border-color:var(--chalk)}

/* guide rows (home + hubs) */
.guides{border-top:1px solid var(--line)}
.row{display:grid;gap:4px 24px;padding:20px 12px;border-bottom:1px solid var(--line);text-decoration:none;transition:background .15s}
.row:hover{background:var(--iron)}
.row h3{font-size:1.55rem}
.row p{color:var(--mute);font-size:.95rem}
.row small{color:var(--mute)}
.row[hidden]{display:none}
@media(min-width:860px){.row{grid-template-columns:1fr 160px}.row small{text-align:right;grid-row:1/3;grid-column:2;align-self:center}}

/* page headers */
.ahead{padding:34px 0 30px;border-bottom:1px solid var(--line);background:repeating-linear-gradient(135deg,rgba(255,255,255,.025) 0 2px,transparent 2px 16px)}
.crumbs{font-size:.88rem;color:var(--mute);margin-bottom:14px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--chalk)}
.crumbs span{margin:0 6px}
.badge{display:inline-block;border:1px solid var(--line);border-radius:99px;padding:3px 12px;font-size:.85rem;color:var(--mute);margin-bottom:12px}
.ahead h1{font-size:clamp(2.2rem,5.6vw,3.7rem);max-width:22ch}
.ahead .lead{color:var(--soft);font-size:1.15rem;max-width:56ch;margin-top:14px}
.ahead .meta{color:var(--mute);font-size:.9rem;margin-top:14px}

/* article layout */
.alayout{display:grid;gap:40px;padding-top:36px;padding-bottom:20px}
@media(min-width:980px){.alayout{grid-template-columns:minmax(0,700px) 280px;justify-content:space-between}}
.alayout>*{min-width:0}
.side{align-self:start}
@media(min-width:980px){.side{position:sticky;top:84px}}
.toc{background:var(--iron);border:1px solid var(--line);border-radius:14px}
.toc summary{display:flex;align-items:center;justify-content:space-between;list-style:none;cursor:pointer;padding:14px 18px;font-family:var(--display);font-weight:800;font-size:1.2rem;letter-spacing:-.01em}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"+";color:var(--mute);font:400 1.3rem/1 system-ui,sans-serif}
.toc[open] summary::after{content:"\2013"}
.toc nav{padding:0 18px 14px}
.toc ol{list-style:none;padding:0}
.toc li+li{margin-top:2px}
.toc a{display:block;padding:5px 0 5px 12px;border-left:2px solid var(--line);color:var(--mute);text-decoration:none;font-size:.93rem;line-height:1.35}
.toc a:hover{color:var(--chalk)}
.toc a.on{border-left-color:var(--blue);color:var(--chalk)}
.promo{margin-top:16px;background:linear-gradient(160deg,#2a3550,#262a30);border:1px solid var(--line);border-radius:14px;padding:18px}
.promo h2{font-size:1.35rem;margin-bottom:6px}
.promo p{color:var(--soft);font-size:.93rem;margin-bottom:12px}
.promo .btn{padding:10px 16px;font-size:.95rem}
@media(max-width:979px){.promo{display:none}}

/* prose */
.prose{max-width:700px}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:2rem;margin-top:2.1em;scroll-margin-top:84px}
.prose h3{font-size:1.45rem;margin-top:1.7em}
.prose h2+*,.prose h3+*{margin-top:.7em}
.prose p,.prose li{font-size:1.06rem;color:var(--soft)}
.prose ul{padding-left:1.25em}
.prose li+li{margin-top:.45em}
.prose a{color:#7ea2ff;text-underline-offset:3px}
.prose a:hover{color:#a7c0ff}
.prose strong{color:#fff}
.prose ol{list-style:none;padding:0;counter-reset:s}
.prose ol>li{counter-increment:s;position:relative;padding-left:2.5em}
.prose ol>li::before{content:counter(s);position:absolute;left:0;top:.08em;width:1.75em;height:1.75em;border-radius:50%;background:var(--iron);border:1px solid var(--line);color:var(--blue);font:700 .85rem/1.65em system-ui,sans-serif;text-align:center}
.callout{border:1px solid var(--line);border-left:4px solid var(--blue);background:var(--iron);border-radius:12px;padding:14px 18px}
.callout b{display:block;font-size:.95rem;color:var(--blue);margin-bottom:2px}
.callout p{font-size:1rem}
.callout.safety{border-left-color:var(--amber)}
.callout.safety b{color:var(--amber)}
.callout.key{background:linear-gradient(160deg,#27324d,#262a30);border-left-color:var(--blue)}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.tbl{width:100%;border-collapse:collapse;font-size:.96rem;min-width:420px}
.tbl th,.tbl td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;color:var(--soft)}
.tbl th{background:var(--iron);color:var(--chalk);font-weight:700}
.tbl tr:last-child td{border-bottom:0}
@media(max-width:600px){.tbl{min-width:0;font-size:.88rem}.tbl th,.tbl td{padding:8px 10px}}
.fig{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:center;background:var(--iron);border:1px solid var(--line);border-radius:14px;padding:12px 16px 12px 12px;max-width:560px}
.fig svg{width:100%;height:auto;display:block;background:var(--floor);border-radius:10px}
.fig figcaption{color:var(--soft);font-size:.95rem;line-height:1.5}
.fig figcaption>strong:first-child{display:block;font-family:var(--display);font-weight:800;font-size:1.3rem;color:var(--chalk);margin-bottom:2px}
.fig figcaption strong{color:var(--blue)}
@media(max-width:520px){.fig{grid-template-columns:110px 1fr}}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;justify-content:space-between;background:linear-gradient(160deg,#2a3550,#262a30);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.cta p{flex:1 1 260px;color:var(--soft)}
.cta strong{display:block;font-family:var(--display);font-weight:800;font-size:1.4rem;color:var(--chalk)}

/* sources, related, notice */
.after{max-width:700px;padding-bottom:30px}
.sources{margin-top:44px;padding-top:22px;border-top:1px solid var(--line)}
.sources h2{font-size:1.5rem;margin-bottom:10px}
.sources ol{padding-left:1.3em;color:var(--mute);font-size:.93rem}
.sources li+li{margin-top:6px}
.sources a{color:#7ea2ff;text-underline-offset:3px}
.notice{margin-top:22px;color:var(--mute);font-size:.9rem;border:1px dashed var(--line);border-radius:12px;padding:12px 16px}
.related{padding:10px 0 60px}
.related h2{font-size:1.7rem;margin-bottom:14px}
.cards{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{display:block;background:var(--iron);border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;transition:border-color .15s}
.card:hover{border-color:var(--blue)}
.card small{color:var(--mute)}
.card h3{font-size:1.35rem;margin:4px 0 6px}
.card p{color:var(--mute);font-size:.93rem}

/* hubs */
.search{margin:6px 0 20px}
.search input{width:100%;max-width:420px;background:var(--iron);color:var(--chalk);border:1px solid var(--line);border-radius:10px;padding:11px 14px;font:inherit}
.empty{color:var(--mute);padding:20px 12px}

/* reading progress */
.progress{position:fixed;left:0;top:0;height:3px;width:100%;z-index:30;pointer-events:none}
.progress i{display:block;height:100%;width:0;background:var(--blue)}

/* simple pages */
.plain{padding:40px 0 70px}
.plain .prose{max-width:760px}
.plain h1{font-size:clamp(2.2rem,5.5vw,3.4rem);margin-bottom:6px}
.plain .upd{color:var(--mute);font-size:.92rem;margin-bottom:24px}
.mail{display:inline-flex;align-items:center;gap:12px;flex-wrap:wrap}
.nf{padding:90px 0 110px;text-align:center}
.nf h1{font-size:clamp(4rem,16vw,9rem);color:var(--blue)}
.nf p{color:var(--mute);margin:10px 0 24px}

/* footer */
footer.site{border-top:1px solid var(--line);padding:44px 0 40px;color:var(--mute);font-size:.93rem;margin-top:30px}
footer.site .cols{display:grid;gap:28px;grid-template-columns:1.4fr 1fr 1fr}
@media(max-width:700px){footer.site .cols{grid-template-columns:1fr 1fr}footer.site .cols>div:first-child{grid-column:1/3}}
footer.site h2{font-size:1.1rem;color:var(--chalk);margin-bottom:8px}
footer.site ul{list-style:none;padding:0}
footer.site li+li{margin-top:6px}
footer.site a{text-decoration:none}
footer.site a:hover{color:var(--chalk)}
footer.site .fine{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:.88rem}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{header.site,footer.site,.side,.progress,.cta,.related,.skip,.burger{display:none!important}body{background:#fff;color:#000}.prose p,.prose li{color:#000}.ahead{background:none}.callout{background:#fff}}