/* site.css — enable.sammuthu.com public site. Zen tokens from zen-theme.css; chunked, tables over prose. */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page-bg);color:var(--fg);font:15px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--teal)}
/* header: brand + chapter pills (component: chapter-nav.css, tokens in zen-theme.css). Opaque --surface: fixed chrome never ghosts. */
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;padding:12px max(18px,env(safe-area-inset-right)) 12px max(18px,env(safe-area-inset-left));border-bottom:1px solid var(--line);background:var(--surface);box-shadow:0 2px 12px rgba(12,47,40,.07)}
.brand{font-weight:800;font-size:15px;color:var(--fg);text-decoration:none;display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.brand small{font-weight:500;font-size:11px;color:var(--muted)}
.chipbtn{border:1px solid var(--line);background:var(--elevated);color:var(--fg);border-radius:999px;padding:6px 12px;font:inherit;font-size:12.5px;font-weight:600;cursor:pointer}
.page{max-width:min(96vw,132ch);margin:0 auto;padding:28px 20px 60px}
.page-hd{border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px}
.page-n{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--purple)}
.page-t{font-size:clamp(24px,3.2vw,36px);line-height:1.2;margin:6px 0 8px;letter-spacing:-.01em}
.page-one{font-size:16px;color:var(--muted);margin:0;max-width:100ch;line-height:1.6}
.story h2{font-size:19px;margin:34px 0 10px;padding-top:16px;border-top:1px solid var(--line)}
.story h3{font-size:15px;margin:20px 0 6px;color:var(--cyan)}
.story p,.story li{font-size:15.5px;line-height:1.75;max-width:100ch}
.story blockquote{border-left:3px solid var(--teal);background:var(--elevated);padding:12px 16px;border-radius:0 12px 12px 0;margin:14px 0;font-size:15.5px;line-height:1.7;max-width:100ch}
.story .stance{border-left-color:var(--amber)}
.tbl{overflow-x:auto;margin:12px 0 18px}
.story table{border-collapse:collapse;font-size:13.5px;line-height:1.5;min-width:50%}
.story th,.story td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top}
.story th{background:var(--elevated);font-weight:800;font-size:12px;letter-spacing:.04em}
.story tbody tr:nth-child(even){background:color-mix(in srgb,var(--elevated) 55%,transparent)}
.story pre.code{background:var(--elevated);border:1px solid var(--line);border-radius:10px;padding:14px;font-size:12.5px;line-height:1.55;overflow-x:auto}
.story code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em;background:var(--elevated);padding:1px 5px;border-radius:5px}
.story pre code{background:none;padding:0}
.story .md-diagram{margin:16px 0}
.story hr{border:none;border-top:1px dashed var(--line);margin:26px 0}
.story .lede{font-size:17px}
.mock-embed{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card-bg);margin:14px 0}
.mock-embed iframe{width:100%;height:640px;border:0;display:block}
.mock-cap{font-size:12.5px;color:var(--muted);padding:8px 14px;border-top:1px dashed var(--line)}
/* landing */
.hero{padding:10px 0 6px}
.hero .eyebrow{font-size:13px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin:0 0 10px}
.hero h1{font-size:clamp(30px,4.5vw,50px);line-height:1.1;margin:0 0 14px;letter-spacing:-.02em}
.hero .sub{font-size:18px;line-height:1.6;max-width:90ch;color:var(--fg)}
.hero .syn{font-size:13.5px;color:var(--muted);margin-top:10px}
.cta{display:inline-block;margin:16px 0 8px;background:var(--teal);color:var(--tab-fg);text-decoration:none;font-weight:800;padding:12px 22px;border-radius:12px;font-size:15px}
.cta:hover{filter:brightness(1.08)}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:14px 0 8px}
.tile{display:block;border:1px solid var(--line);background:var(--card-bg);box-shadow:var(--card-shadow);border-radius:14px;padding:14px 16px;text-decoration:none;color:var(--fg)}
.tile:hover{border-color:var(--teal)}
.tile b{display:block;font-size:15px;margin:2px 0 6px}
.tile span{font-size:13px;color:var(--muted);line-height:1.5;display:block}
.tile i{font-style:normal;font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--purple)}
/* prev/next */
.pn-row{display:flex;justify-content:space-between;gap:12px;margin-top:40px;padding-top:18px;border-top:1px solid var(--line)}
.pn{text-decoration:none;color:var(--fg);border:1px solid var(--line);border-radius:12px;padding:10px 14px;max-width:48%}
.pn span{display:block;font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.pn b{font-size:14px}
.pn.next{text-align:right;margin-left:auto}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;max-width:min(96vw,132ch);margin:0 auto;padding:18px 20px 40px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line)}
/* drawer (node card) */
.drawer{position:fixed;top:0;right:0;height:100vh;height:100dvh;width:min(560px,92vw);transform:translateX(100%);transition:transform .18s;background:var(--card-bg);border-left:1px solid var(--line);z-index:40;box-shadow:-8px 0 30px rgba(0,0,0,.08)}
.drawer.open{transform:none}
.drawer-in{height:100%;overflow-y:auto;padding:18px 20px 40px}
.d-close{float:right;border:none;background:none;color:var(--faint);font-size:22px;cursor:pointer}
.nd-kind{font-size:10px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.d-q{font-size:16px;font-weight:700;line-height:1.4;margin:6px 0 14px}
.d-sub{font-weight:500;color:var(--muted)}
.panel{border:1px solid var(--line);border-radius:12px;background:var(--elevated);padding:12px 14px;margin:10px 0}
.panel-h{font-size:10px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:6px}
.panel p{font-size:13.5px;line-height:1.6;margin:0}
.nd-say{border-left:3px solid var(--teal);padding:8px 12px;background:var(--card-bg);border-radius:0 8px 8px 0;font-size:13.5px;line-height:1.6}
.gchips{display:flex;flex-wrap:wrap;gap:6px}
/* glossary index */
#glossary-index{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px;margin:14px 0}
.g-card{text-align:left;font:inherit;border:1px solid var(--line);background:var(--card-bg);border-radius:12px;padding:12px 14px;cursor:pointer;color:var(--fg)}
.g-card:hover{border-color:var(--teal)}
.g-card b{display:block;font-size:14px;margin-bottom:4px}
.g-card span{font-size:12.5px;color:var(--muted);line-height:1.5;display:block}
@media (max-height:500px){.site-header{position:static}}   /* short viewports: the header must not eat the reading area */
@media (max-width:700px){
  html.no-js .site-header{flex-wrap:wrap}
  .site-header{gap:10px;padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right))}
  .pn{max-width:100%}.pn-row{flex-direction:column}.mock-embed iframe{height:560px}
}
/* role-track selector (hub + every track page) */
.role-pick{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:4px 0 18px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--card-bg);box-shadow:var(--card-shadow)}
.role-pick label{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--purple)}
.role-select{flex:1 1 240px;min-width:0;max-width:100%;font:inherit;font-size:15px;padding:9px 12px;border-radius:10px;border:1px solid var(--line);background:var(--card-bg);color:var(--fg);cursor:pointer}
.role-select:focus{outline:2px solid var(--teal);outline-offset:2px}
.fam-h{margin:22px 0 4px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}