/* StrainChain /chain and /club-os pages. Tokens match the home page (Forest, Chalk, Acid, Amber). */
:root{--forest:#0a120e;--forest-2:#111c14;--forest-3:#162019;--chalk:#ece9e0;--chalk-2:#c8c5bc;--chalk-3:#9a9790;--acid:#7cc492;--amber:#c9a84c;--line:rgba(236,233,224,.14);--head:'Syne',sans-serif;--mono:'JetBrains Mono',monospace;--body:'Inter',sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{background:var(--forest);font-size:16px}
body{font-family:var(--body);color:var(--chalk);background:var(--forest);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:0 clamp(1.25rem,5vw,3rem)}
nav.top{position:sticky;top:0;z-index:10;background:rgba(10,18,14,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
nav.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.9rem;padding-bottom:.9rem;flex-wrap:wrap}
.logo{font-family:var(--head);font-weight:800;text-decoration:none;letter-spacing:-.02em}
nav.top ul{display:flex;gap:1.25rem;list-style:none;font-size:.9rem;flex-wrap:wrap}
nav.top ul a{text-decoration:none;color:var(--chalk-2)}nav.top ul a[aria-current]{color:var(--acid)}
.label{font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--acid)}
h1,h2,h3{font-family:var(--head);line-height:1.1;letter-spacing:-.02em}
h1{font-size:clamp(2rem,6vw,3.6rem);font-weight:800;margin:.6rem 0 1rem}
h2{font-size:clamp(1.4rem,3.5vw,2rem);font-weight:700;margin-bottom:.8rem}
h3{font-size:1.1rem;font-weight:700;margin-bottom:.35rem}
.lede{color:var(--chalk-2);max-width:62ch;font-size:1.05rem}
section{padding:3rem 0;border-top:1px solid var(--line)}
header.hero{padding:4rem 0 3rem}
p{max-width:68ch;color:var(--chalk-2)}p+p{margin-top:.8rem}
.chain{list-style:none;counter-reset:s;display:grid;gap:1rem}
.chain li{counter-increment:s;background:var(--forest-2);border:1px solid var(--line);border-radius:6px;padding:1.1rem 1.25rem 1.1rem 3.6rem;position:relative}
.chain li::before{content:counter(s,decimal-leading-zero);position:absolute;left:1.1rem;top:1.15rem;font-family:var(--mono);color:var(--amber);font-weight:600}
.chain li p{font-size:.95rem}
.chain .who{font-family:var(--mono);font-size:.72rem;color:var(--acid);letter-spacing:.06em;text-transform:uppercase;display:block;margin-top:.5rem}
@media(min-width:900px){.chain{grid-template-columns:repeat(5,1fr)}.chain li{padding:3rem 1rem 1rem}.chain li::before{left:1rem;top:1rem}}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.card{background:var(--forest-2);border:1px solid var(--line);border-radius:6px;padding:1.25rem}
.card p{font-size:.95rem}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);font-weight:600}
td:first-child{font-family:var(--mono);color:var(--acid);white-space:nowrap}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:6px;background:var(--forest-2)}
.empty{border:1px dashed var(--line);border-radius:6px;padding:1.5rem;background:var(--forest-3)}
.limits{border-left:3px solid var(--amber);padding:.2rem 0 .2rem 1rem;color:var(--chalk-2);font-size:.92rem;max-width:68ch}
.btn{display:inline-block;margin-top:1.2rem;padding:.7rem 1.2rem;border-radius:6px;background:var(--acid);color:var(--forest);font-weight:600;text-decoration:none}
.btn.ghost{background:none;border:1px solid var(--line);color:var(--chalk);margin-left:.5rem}
footer{border-top:1px solid var(--line);padding:2rem 0 3rem;font-size:.85rem;color:var(--chalk-3)}
footer a{margin-right:1rem}
.skip{position:absolute;left:-9999px;top:0;background:var(--acid);color:var(--forest);padding:.6rem 1rem;z-index:20}.skip:focus{left:0}
.mb{margin-bottom:1.2rem}.mb-s{margin-bottom:.8rem}.mt{margin-top:1.5rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.acid{color:var(--acid);text-decoration:underline}a:focus-visible,.btn:focus-visible{outline:2px solid var(--acid);outline-offset:3px;border-radius:3px}@media(max-width:600px){td:first-child{white-space:normal}}

label{font-size:.85rem;color:var(--chalk-2)}input,select{width:100%;max-width:26rem;margin-top:.3rem;padding:.65rem .8rem;border-radius:6px;border:1px solid var(--line);background:var(--forest-3);color:var(--chalk);font:inherit}
.hp{position:absolute;left:-9999px}button.btn{border:0;cursor:pointer;font:inherit;font-weight:600}