@import url('https://fonts.googleapis.com/css2?family=Chivo:wght@400;500;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* Zuma is built as a tool, not a brochure. Fixed left rail, dense type,
   tabular numbers, and the calculator is the page rather than a section on it.
   Nothing here is centred and there is no hero image. */

:root{
  --shell:#F2F1EE;
  --shell-2:#E7E5E0;
  --ink:#17191A;
  --steel:#2E3538;
  --slate:#6C7477;
  --amber:#B4761E;
  --go:#2E6B4F;
  --stop:#A33B2A;
  --line:#D6D3CC;
  --rail:250px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--shell);color:var(--ink);font-family:"Chivo",system-ui,sans-serif;font-size:15.5px;line-height:1.56;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-weight:900;line-height:1.02;letter-spacing:-.035em}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.tnum{font-variant-numeric:tabular-nums}
.muted{color:var(--slate)}

/* ---- fixed left rail ---- */
.rail{position:fixed;left:0;top:0;bottom:0;width:var(--rail);background:var(--ink);color:var(--shell);padding:26px 22px;display:flex;flex-direction:column;z-index:50}
.rail .mark{font-size:17px;font-weight:900;letter-spacing:-.04em;line-height:1.15;margin-bottom:4px}
.rail .mark span{color:var(--amber)}
.rail .sub{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(242,241,238,.44);margin-bottom:32px}
.rail nav{display:flex;flex-direction:column;gap:1px}
.rail nav a{font-family:"IBM Plex Mono",monospace;font-size:12.5px;letter-spacing:.06em;padding:9px 10px;color:rgba(242,241,238,.62);border-left:2px solid transparent}
.rail nav a:hover{color:var(--shell);background:rgba(242,241,238,.05)}
.rail nav a.on{color:var(--shell);border-left-color:var(--amber);background:rgba(242,241,238,.06)}
.rail .foot{margin-top:auto;font-family:"IBM Plex Mono",monospace;font-size:10.5px;line-height:1.7;color:rgba(242,241,238,.38)}
.rail .foot a{color:rgba(242,241,238,.55)}
.rail .status{display:flex;align-items:center;gap:7px;font-family:"IBM Plex Mono",monospace;font-size:11px;color:rgba(242,241,238,.6);margin-bottom:18px;padding:8px 10px;background:rgba(46,107,79,.18);border-left:2px solid var(--go)}
.rail .dot{width:7px;height:7px;border-radius:50%;background:var(--go)}

/* ---- content area ---- */
.stage{margin-left:var(--rail);min-height:100vh}
.topbar{border-bottom:1px solid var(--line);padding:0 40px;height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--shell);position:sticky;top:0;z-index:30}
.crumb{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate)}
.tb-right{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--slate)}
.pad{padding:36px 40px 60px}

.hgroup{max-width:62ch;margin-bottom:30px}
.hgroup h1{font-size:clamp(30px,3.6vw,46px);margin-bottom:12px}
.hgroup p{color:var(--slate);font-size:16.5px}
.kicker{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:"Chivo";font-weight:700;font-size:13.5px;padding:13px 22px;border:2px solid var(--ink);background:var(--ink);color:var(--shell);cursor:pointer;border-radius:2px;transition:background .16s,color .16s}
.btn:hover{background:transparent;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--shell)}
.btn:disabled{opacity:.34;cursor:not-allowed}
.btn:disabled:hover{background:var(--ink);color:var(--shell)}

/* ---- calculator, the main event ---- */
.calc{display:grid;grid-template-columns:1fr 320px;border:1px solid var(--line);background:#fff}
.calc-in{padding:28px 30px;border-right:1px solid var(--line)}
.calc-out{background:var(--ink);color:var(--shell);padding:28px 26px;display:flex;flex-direction:column}
.grp{margin-bottom:22px}
.grp>label{display:block;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:8px}
.grp select,.grp input{width:100%;padding:11px 12px;border:1px solid var(--line);background:var(--shell);font-family:"Chivo";font-size:15px;color:var(--ink);border-radius:2px}
.grp select:focus,.grp input:focus{outline:none;border-color:var(--ink);background:#fff}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:2px;overflow:hidden}
.seg button{padding:12px 8px;background:var(--shell);border:0;border-right:1px solid var(--line);cursor:pointer;font-family:"Chivo";text-align:left;color:var(--ink)}
.seg button:last-child{border-right:0}
.seg button:hover{background:var(--shell-2)}
.seg button.on{background:var(--ink);color:var(--shell)}
.seg strong{display:block;font-size:13.5px;font-weight:700}
.seg small{display:block;font-size:11.5px;opacity:.7;margin-top:1px}

.out-k{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--amber);margin-bottom:16px}
.out-line{display:flex;justify-content:space-between;gap:10px;padding:7px 0;font-size:13px;border-bottom:1px solid rgba(242,241,238,.12)}
.out-line span:last-child{font-family:"IBM Plex Mono",monospace}
.out-total{margin-top:auto;padding-top:22px}
.out-total .amt{font-family:"IBM Plex Mono",monospace;font-size:38px;font-weight:600;letter-spacing:-.03em;line-height:1}
.out-total .cap{font-family:"IBM Plex Mono",monospace;font-size:10.5px;color:rgba(242,241,238,.5);margin-top:6px;letter-spacing:.08em}
.flag{margin-top:16px;padding:11px 13px;background:rgba(180,118,30,.18);border-left:3px solid var(--amber);font-size:12.5px;line-height:1.5}
.flag.ok{background:rgba(46,107,79,.18);border-left-color:var(--go)}

/* ---- data tables, used everywhere instead of cards ---- */
table.d{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
table.d th,table.d td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
table.d th{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);background:var(--shell-2);font-weight:500}
table.d td.n,table.d th.n{text-align:right;font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums}
table.d tr:last-child td{border-bottom:0}
table.d tbody tr:hover{background:var(--shell)}
.ring{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:11px;padding:2px 7px;border:1px solid var(--line);background:var(--shell)}

.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;margin-bottom:34px}
.metrics div{padding:20px 22px;border-right:1px solid var(--line)}
.metrics div:last-child{border-right:0}
.metrics .k{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:7px}
.metrics .v{font-family:"IBM Plex Mono",monospace;font-size:29px;font-weight:600;letter-spacing:-.02em}
.metrics .d{font-size:12px;color:var(--slate);margin-top:3px}

.note{border-left:3px solid var(--line);padding:2px 0 2px 16px;color:var(--slate);font-size:14px;margin:22px 0;max-width:64ch}

/* ---- tracking ---- */
.tin{display:flex;gap:10px;max-width:440px;margin-bottom:24px}
.tin input{flex:1;padding:13px;border:1px solid var(--line);font-family:"IBM Plex Mono",monospace;font-size:15px;letter-spacing:.08em;border-radius:2px;text-transform:uppercase}
.tin input:focus{outline:none;border-color:var(--ink)}
.tl-wrap{border:1px solid var(--line);background:#fff;padding:26px 30px;display:none;max-width:640px}
.tl-head{display:flex;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:22px;flex-wrap:wrap}
.tl-head .code{font-family:"IBM Plex Mono",monospace;font-size:19px;font-weight:600}
.tl-head .who{font-size:13px;color:var(--slate);text-align:right}
.tl{position:relative;padding:0 0 22px 24px;border-left:2px solid var(--line);margin-left:5px}
.tl:last-child{padding-bottom:0;border-left-color:transparent}
.tl::before{content:'';position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--line);border:2px solid #fff}
.tl.did::before{background:var(--go)}
.tl.now::before{background:var(--amber);box-shadow:0 0 0 4px rgba(180,118,30,.2)}
.tl .w{font-size:14.5px;font-weight:700}
.tl .t{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--slate);margin-top:2px}
.tl.todo .w,.tl.todo .t{opacity:.42}

.railtoggle{display:none}

@media(max-width:1040px){
  .calc{grid-template-columns:1fr}
  .calc-in{border-right:0;border-bottom:1px solid var(--line)}
  .metrics{grid-template-columns:1fr 1fr}
  .metrics div:nth-child(2){border-right:0}
}
@media(max-width:860px){
  :root{--rail:0px}
  .rail{position:static;width:auto;flex-direction:row;align-items:center;gap:18px;padding:14px 20px;overflow-x:auto}
  .rail .sub,.rail .foot,.rail .status{display:none}
  .rail .mark{margin-bottom:0;white-space:nowrap}
  .rail nav{flex-direction:row;gap:2px}
  .rail nav a{border-left:0;border-bottom:2px solid transparent;white-space:nowrap;padding:6px 9px}
  .rail nav a.on{border-left:0;border-bottom-color:var(--amber)}
  .stage{margin-left:0}
  .topbar{padding:0 20px}
  .pad{padding:26px 20px 50px}
  .row2,.seg{grid-template-columns:1fr}
  .seg button{border-right:0;border-bottom:1px solid var(--line)}
}