/* Run by the Numbers. Layout: sticky header, one page per URL; calculators use an input panel beside a finish-clock result panel. Track tartan red is the single accent; zone colors run cool to hot. */
:root{
  color-scheme:light;
  --bg:#F3F5F8; --surface:#FFFFFF; --ink:#16202E; --muted:#5A6577; --line:#D9DEE6;
  --accent:#C93A24; --accent-soft:#FBE7E2; --clock-bg:#16202E; --clock-fg:#F6F7F9;
  --z1:#7FB3D5; --z2:#5BAA8A; --z3:#E2B43C; --z4:#E07B39; --z5:#C93A24;
  --font-display:"Barlow Condensed","Arial Narrow",system-ui,sans-serif;
  --font-body:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E141D; --surface:#161E2A; --ink:#E7EBF1; --muted:#9AA5B5; --line:#2A3445;
  --accent:#F0634A; --accent-soft:#3A1E1A; --clock-bg:#05080D; --clock-fg:#F6F7F9;
  --z1:#5E93B8; --z2:#4C9677; --z3:#C99D2E; --z4:#D06A2C; --z5:#E0503A; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E141D; --surface:#161E2A; --ink:#E7EBF1; --muted:#9AA5B5; --line:#2A3445;
  --accent:#F0634A; --accent-soft:#3A1E1A; --clock-bg:#05080D; --clock-fg:#F6F7F9;
  --z1:#5E93B8; --z2:#4C9677; --z3:#C99D2E; --z4:#D06A2C; --z5:#E0503A; color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
[hidden]{display:none!important}
img{max-width:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;padding-inline:16px;padding-block:0 40px}
a{color:var(--accent)}
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);border-bottom:1px solid var(--line);margin-inline:-16px;padding:10px 16px}
.head-in{max-width:1040px;margin:0 auto;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between}
.logo{font-family:var(--font-display);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:1.15rem;color:var(--ink);text-decoration:none;display:flex;gap:8px;align-items:center}
.logo b{color:var(--accent)}
.mainnav{display:flex;flex-wrap:wrap;gap:4px 16px}
.mainnav a{font-family:var(--font-display);font-weight:500;text-transform:uppercase;letter-spacing:.06em;font-size:.95rem;color:var(--muted);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.mainnav a[aria-current="page"]{color:var(--ink);border-color:var(--accent)}
main{max-width:1040px;margin:0 auto;padding-block:24px 0}
.page{display:flex;flex-direction:column;gap:28px}
.crumbs{font-size:.85rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
h1{font-family:var(--font-display);font-weight:700;font-size:clamp(2.2rem,6vw,3.4rem);line-height:1.02;margin:0;text-wrap:balance}
h2{font-family:var(--font-display);font-weight:700;font-size:1.6rem;line-height:1.1;margin:0 0 8px;text-wrap:balance}
h3{font-family:var(--font-display);font-weight:700;font-size:1.25rem;margin:0}
.lede{margin:8px 0 0;color:var(--muted);max-width:62ch;font-size:1.08rem}
.board{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:760px){.board{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:16px;min-width:0}
.label{font-family:var(--font-display);font-weight:500;text-transform:uppercase;letter-spacing:.07em;font-size:.85rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font:inherit;font-size:.95rem;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
a:focus-visible,.chip:focus-visible,input:focus-visible,button:focus-visible,select:focus-visible,tr:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.field{display:flex;flex-direction:column;gap:6px}
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.trio label,.duo label{display:flex;flex-direction:column;gap:2px;font-size:.8rem;color:var(--muted)}
input,select{font-family:var(--font-num);font-size:1.15rem;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);width:100%;min-width:0}
.custom{display:grid;grid-template-columns:minmax(0,1fr) 90px;gap:8px}
.err{color:var(--accent);font-size:.9rem;min-height:1.2em;margin:0}
.slider-row{display:flex;justify-content:space-between;gap:8px;font-size:.85rem;color:var(--muted)}
input[type=range]{padding:0;border:0;background:none;accent-color:var(--accent)}
.clock{background:var(--clock-bg);color:var(--clock-fg);border-radius:10px;padding:18px 20px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px}
.clock .who{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.1em;font-size:.9rem;opacity:.75}
.clock .big{font-family:var(--font-num);font-weight:500;font-size:clamp(2.2rem,8vw,3.6rem);line-height:1;font-variant-numeric:tabular-nums}
.clock .big .sep{color:var(--accent)}
.clock .meta{font-family:var(--font-num);font-size:.9rem;opacity:.85;text-align:right}
.note{color:var(--muted);font-size:.92rem;margin:0}
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
th{font-family:var(--font-display);font-weight:500;text-transform:uppercase;letter-spacing:.06em;font-size:.8rem;color:var(--muted);text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:9px 10px;border-bottom:1px solid var(--line);font-family:var(--font-num);font-size:.95rem;white-space:nowrap}
td.txt{font-family:var(--font-body);white-space:normal;min-width:12ch}
td:first-child{font-family:var(--font-body);font-weight:600}
tbody tr.pick{cursor:pointer}
tbody tr.pick:hover,tbody tr.sel td{background:var(--accent-soft)}
.tag{display:inline-block;margin-left:8px;font-size:.72rem;font-weight:400;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}
.zdot{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:8px;vertical-align:middle}
.zbar{display:flex;height:34px;border-radius:6px;overflow:hidden}
.zbar div{display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;color:#10161F;font-size:.95rem}
.zscale{display:flex;justify-content:space-between;font-family:var(--font-num);font-size:.78rem;color:var(--muted)}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;border:1px solid var(--accent);border-radius:10px;padding:16px 18px;background:var(--accent-soft)}
.cta p{margin:0;max-width:52ch}
.lead-copy{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:4px}
.lead-list{margin:4px 0 0;padding-left:18px}
.cta form{display:flex;flex-direction:column;gap:8px;flex:1 1 300px;min-width:0}
.lead-row{display:flex;gap:8px;flex-wrap:wrap}
.lead-row>*{flex:1 1 140px;min-width:0}
.lead-row .btn{flex:0 0 auto}
.cta input,.cta select{font-family:var(--font-body);font-size:1rem}
.fine{font-size:.8rem;color:var(--muted)}
.btn{font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:1rem;border:0;border-radius:6px;padding:10px 16px;background:var(--accent);color:#fff;cursor:pointer;text-decoration:none;display:inline-block}
.leadmsg{text-align:left}
.adslot{border:1px dashed var(--line);border-radius:10px;padding:18px;text-align:center;color:var(--muted);font-size:.85rem}
.next{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:baseline}
.next .label{margin-right:4px}
.prose{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px}
.prose section{min-width:0}
.prose p{margin:0 0 12px}
.formula{font-family:var(--font-num);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:10px 12px;display:block;overflow-x:auto;margin-bottom:12px}
details{border-bottom:1px solid var(--line);padding:10px 0}
summary{cursor:pointer;font-weight:600}
details p{margin:8px 0 0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px;min-width:0}
.card:hover{border-color:var(--accent)}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .go{margin-top:auto;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;font-size:.85rem;color:var(--accent)}
.hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:24px;align-items:end}
@media (max-width:760px){.hero{grid-template-columns:minmax(0,1fr)}}
.hero h1{font-size:clamp(2.6rem,7vw,4.4rem)}
.hero .clock{flex-direction:column;align-items:flex-start}
.hero .clock .meta{text-align:left}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.fact{border-top:3px solid var(--accent);background:var(--surface);padding:12px 14px;border-radius:0}
.fact .v{font-family:var(--font-num);font-size:1.5rem;font-weight:500}
.fact .k{font-size:.85rem;color:var(--muted)}
.article{max-width:68ch;display:flex;flex-direction:column;gap:6px}
.article p,.article li{margin:0 0 10px}
.article h2{margin-top:18px}
.inline-calc{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:12px;margin:8px 0 16px}
.z2out{font-family:var(--font-num);font-size:1.6rem}
.site-foot{max-width:1040px;margin:40px auto 0;border-top:1px solid var(--line);padding-top:16px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;color:var(--muted);font-size:.85rem}
.site-foot nav{display:flex;gap:16px;flex-wrap:wrap}
.site-foot a{color:var(--muted)}
.soon{color:var(--muted);font-size:.9rem}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:4px 12px;flex-wrap:wrap;margin-bottom:10px}
.sec-head h2{margin:0}
.sec-head a{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;font-size:.9rem;text-decoration:none}
.list{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:0 24px}
.item{display:flex;flex-direction:column;padding:10px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--ink);min-width:0}
.item strong{font-weight:600}
.item span{color:var(--muted);font-size:.92rem}
.item:hover strong{color:var(--accent)}
.matrix{display:flex;flex-direction:column}
.mrow{display:grid;grid-template-columns:130px minmax(0,1fr);gap:8px 16px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
@media (max-width:520px){.mrow{grid-template-columns:minmax(0,1fr)}}
.mlabel{font-family:var(--font-display);font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.chip.goal{font-family:var(--font-num);font-size:.88rem;text-decoration:none;display:inline-block}
.goalfinder h2{font-size:1.3rem;margin:0}
.gp{display:flex;flex-direction:column;gap:14px}
.bandwrap{overflow-x:auto}
.band{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(72px,1fr);border:2px solid var(--ink);border-radius:8px;background:var(--surface);min-width:max-content}
.band div{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 10px;border-right:1px solid var(--line)}
.band div:last-child{border-right:0;background:var(--accent-soft)}
.band span{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:.78rem;color:var(--muted)}
.band b{font-family:var(--font-num);font-weight:500;font-variant-numeric:tabular-nums}
.tabs{display:flex;flex-wrap:wrap;box-shadow:inset 0 -1px 0 var(--line)}
.tab{font-family:var(--font-display);font-weight:500;text-transform:uppercase;letter-spacing:.06em;font-size:1rem;background:none;border:0;border-bottom:2px solid transparent;padding:8px 14px;color:var(--muted);cursor:pointer;white-space:nowrap}
.tab[aria-selected="true"]{color:var(--ink);border-color:var(--accent)}
.tab:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.gp-body{display:flex;flex-direction:column;gap:10px}
.gp-more{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin-top:4px}
.gp-more select{width:auto;flex:0 1 240px;font-size:1rem}
.goalfinder .btn{width:100%}
.skip{position:absolute;left:-9999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:6px;z-index:10}
.skip:focus{left:16px}
.crumbs .here{color:var(--muted)}
.ad{min-height:90px}
.chart td a{font-family:var(--font-body);font-weight:600}
.charts{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}