/* Shredded Systems Stack — Modern Athletic, light. One stylesheet for the whole site. */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Hanken+Grotesk:wght@400;500;600;700;800&display=swap');

:root{
  --bg:#FCF9F4; --surface:#FFFFFF; --ink:#211C18; --muted:#7C7168; --line:#E7DFD5;
  --accent:#B4552F; --accent-ink:#FFFFFF; --tint:#F5EDE4; --tint2:#EAD6C4;
  --display:"Oswald",Impact,"Arial Narrow Bold",sans-serif;
  --body:"Hanken Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --radius:12px; --btnr:9px; --shadow:0 12px 30px -22px rgba(70,45,25,.55);
}
*{box-sizing:border-box; margin:0; padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg); color:var(--ink);
  font-family:var(--body); line-height:1.65; -webkit-font-smoothing:antialiased;
  font-size:16.5px;
}
.container{max-width:730px; margin:0 auto; padding:22px 20px 66px}

/* top nav (inner pages) */
nav{display:flex; align-items:center; justify-content:space-between; padding:8px 0 22px}
nav a{color:var(--accent); text-decoration:none; font-weight:700; font-size:14px}
nav .brand{color:var(--muted); font-size:11.5px; letter-spacing:.18em; text-transform:uppercase; font-weight:700}

/* type */
h1{font-family:var(--display); font-weight:600; text-transform:uppercase; letter-spacing:.012em;
   font-size:clamp(29px,5.2vw,44px); line-height:1.05; margin-bottom:12px; text-wrap:balance}
h2{font-family:var(--display); font-weight:600; text-transform:uppercase; letter-spacing:.012em; line-height:1.12}
.eyebrow{font-family:var(--body); font-size:12px; letter-spacing:.2em; font-weight:700; color:var(--accent); text-transform:uppercase; margin-bottom:12px}
.meta{color:var(--muted); font-size:13px; margin-bottom:22px; font-weight:600; letter-spacing:.02em; text-transform:uppercase}
.lead{font-size:18.5px; color:var(--ink); margin-bottom:10px; line-height:1.5}

article h2{font-size:23px; margin:36px 0 10px}
article h3{font-family:var(--body); font-weight:800; text-transform:none; letter-spacing:0; font-size:17px; margin:22px 0 6px}
article p{color:var(--ink); margin-bottom:14px}
article ul, article ol{margin:0 0 15px 22px}
article li{margin-bottom:7px}
article a{color:var(--accent); text-decoration:underline; text-underline-offset:2px; font-weight:600}
strong{font-weight:800}

/* buttons */
.btn{display:inline-flex; align-items:center; gap:8px; font-family:var(--body); font-weight:800; font-size:15px;
     letter-spacing:.02em; text-transform:uppercase; background:var(--accent); color:var(--accent-ink);
     text-decoration:none; border:0; border-radius:var(--btnr); padding:13px 20px; cursor:pointer; transition:transform .12s ease, filter .12s ease}
.btn:hover{filter:brightness(1.06); transform:translateY(-1px)}
.btn.ghost{background:transparent; color:var(--accent); border:1.6px solid var(--accent)}

/* CTA card (articles) */
.cta{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:20px; margin:26px 0; box-shadow:var(--shadow)}
.cta .k{font-size:12px; letter-spacing:.16em; text-transform:uppercase; font-weight:800; color:var(--accent); margin-bottom:6px}
.cta p{color:var(--muted); font-size:14.5px; margin-bottom:14px}

/* tables */
table{width:100%; border-collapse:collapse; margin:10px 0 18px; font-size:14.5px; font-variant-numeric:tabular-nums}
th,td{text-align:left; padding:10px 10px; border-bottom:1px solid var(--line)}
th{font-family:var(--body); font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); font-weight:800}
tr.light td, tr.deload td{color:var(--accent); font-style:italic; font-weight:600}

.disclaimer{font-size:12.5px; color:var(--muted); margin-top:32px; border-top:1px solid var(--line); padding-top:14px}
footer{color:var(--muted); font-size:12.5px; text-align:center; margin-top:26px}

/* more-guides list (articles) */
.guides-index{margin:36px 0 0}
.guides-index .gi-title{font-size:12px; letter-spacing:.16em; text-transform:uppercase; font-weight:800; color:var(--accent); margin-bottom:8px}
.guides-index ul{list-style:none; margin:0; padding:0; border-top:1px solid var(--line)}
.guides-index a{display:block; padding:12px 2px; border-bottom:1px solid var(--line); color:var(--ink);
   text-decoration:none; font-family:var(--display); font-weight:600; text-transform:uppercase; letter-spacing:.012em; font-size:15px}
.guides-index a:hover{color:var(--accent)}

/* ---------- charts / figures ---------- */
.fig{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:16px 16px 12px; margin:16px 0 20px; box-shadow:var(--shadow)}
.cap{font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); font-weight:700; display:flex; justify-content:space-between; gap:14px; margin-top:10px}
.cap .hi{color:var(--accent); text-align:center}
.lc{width:100%; height:auto; display:block}
.lc .grid{stroke:var(--line); stroke-width:1}
.lc .area{fill:var(--tint2); opacity:.55}
.lc .line{fill:none; stroke:var(--accent); stroke-width:3; stroke-linecap:round; stroke-linejoin:round}
.lc .dot{fill:var(--accent)}
.lc .ring{fill:none; stroke:var(--accent); stroke-width:2; opacity:.35}

/* horizontal bar figure (RIR / generic) */
.bars{display:flex; flex-direction:column; gap:8px; margin:4px 0}
.bars .row{display:grid; grid-template-columns:64px 1fr; align-items:center; gap:12px}
.bars .rl{font-size:12.5px; font-weight:800; color:var(--muted); text-transform:uppercase; letter-spacing:.04em}
.bars .track{display:block; height:22px; border-radius:6px; background:var(--tint); overflow:hidden}
.bars .fill{display:block; height:100%; border-radius:6px; background:var(--tint2)}
.bars .row.hot .fill{background:var(--accent)}
.bars .row.hot .rl{color:var(--accent)}

/* vertical bar plot (weeks) */
.plot{display:flex; align-items:flex-end; gap:8px; height:120px; margin:6px 0 2px}
.plot .col{flex:1; display:flex; flex-direction:column; align-items:center; gap:6px; height:100%; justify-content:flex-end}
.plot .bar{width:100%; background:var(--accent); border-radius:6px 6px 0 0}
.plot .col.dl .bar{background:var(--tint2)}
.plot .wl{font-size:10.5px; color:var(--muted); font-weight:700; letter-spacing:.03em}

.callout{background:var(--tint); border-left:3px solid var(--accent); border-radius:10px; padding:14px 16px; margin:16px 0; font-size:14.5px}
.callout .k{font-size:11px; letter-spacing:.14em; text-transform:uppercase; font-weight:800; color:var(--accent); margin-bottom:4px}

/* ---------- homepage ---------- */
.site-head{display:flex; align-items:center; justify-content:space-between; padding:6px 0 18px}
.site-head .logo{font-family:var(--display); font-weight:700; text-transform:uppercase; letter-spacing:.05em; font-size:16px; color:var(--ink); text-decoration:none}
.site-head .logo b{color:var(--accent)}
.site-head a.nav-cta{font-size:13px; font-weight:800; text-transform:uppercase; letter-spacing:.04em; color:var(--accent); text-decoration:none}
.hero{display:grid; grid-template-columns:1.05fr .95fr; gap:28px; align-items:center; margin:8px 0 6px}
.hero .sub{font-size:18px; color:var(--muted); margin:0 0 18px; max-width:46ch}
.cta-row{display:flex; gap:10px; flex-wrap:wrap}
.panel{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:16px; box-shadow:var(--shadow)}
.strip{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin:24px 0}
.stat{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:16px}
.stat .num{font-family:var(--display); font-weight:700; font-size:32px; color:var(--accent); line-height:1; font-variant-numeric:tabular-nums}
.stat .num small{font-size:15px}
.stat .lab{font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-top:7px; font-weight:700}
.sec-title{font-size:13px; letter-spacing:.2em; text-transform:uppercase; font-weight:800; color:var(--accent); margin:26px 0 12px}
.guides{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.guide{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:16px 17px; text-decoration:none; color:var(--ink); display:block; transition:transform .12s ease, border-color .12s ease}
.guide:hover{transform:translateY(-2px); border-color:var(--accent)}
.guide .tag{font-size:10.5px; letter-spacing:.13em; text-transform:uppercase; color:var(--accent); font-weight:800}
.guide .gt{font-family:var(--display); font-weight:600; text-transform:uppercase; letter-spacing:.012em; font-size:16px; display:block; margin:3px 0}
.guide .gd{font-size:13px; color:var(--muted); line-height:1.45}
.home-foot{margin-top:30px; padding-top:16px; border-top:1px solid var(--line); color:var(--muted); font-size:12.5px; display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap}

/* ---------- calculator ---------- */
.sub{color:var(--muted); font-size:16.5px; margin-bottom:24px; max-width:60ch}
.card{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:22px 20px; margin-bottom:18px; box-shadow:var(--shadow)}
.card h2{font-size:18px; margin-bottom:4px}
.card .hint{color:var(--muted); font-size:13.5px; margin-bottom:16px; text-transform:none; letter-spacing:0}
.grid{display:grid; grid-template-columns:1fr 1fr; gap:12px 14px}
.field{display:flex; flex-direction:column; gap:5px}
.field.full{grid-column:1 / -1}
label{font-size:12.5px; font-weight:700; color:var(--muted); text-transform:uppercase; letter-spacing:.04em}
input[type=number], select{
  font:inherit; font-size:16px; color:var(--ink); background:var(--surface);
  border:1px solid var(--line); border-radius:10px; padding:11px 12px; width:100%;
}
input:focus, select:focus{outline:2px solid var(--accent); outline-offset:1px; border-color:var(--accent)}
.seg{display:inline-flex; background:var(--tint); border:1px solid var(--line); border-radius:10px; padding:3px; gap:3px}
.seg button{font:inherit; font-size:14px; font-weight:700; border:0; background:transparent; color:var(--muted); padding:8px 14px; border-radius:8px; cursor:pointer}
.seg button.on{background:var(--accent); color:var(--accent-ink)}
.row{display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-top:16px}
.result{margin-top:18px; border-top:1px dashed var(--line); padding-top:16px; display:none}
.result.show{display:block}
.est{font-size:14px; color:var(--muted); margin-bottom:12px}
.est b{color:var(--ink); font-size:16px}
.opts{display:grid; gap:10px}
.opt{display:flex; gap:12px; align-items:flex-start; background:var(--tint); border:1px solid var(--line); border-radius:12px; padding:12px 14px}
.opt .tag{flex:0 0 auto; font-size:12px; font-weight:800; color:var(--accent-ink); background:var(--accent); border-radius:7px; padding:4px 8px; margin-top:1px}
.opt .big{font-weight:800}
.opt .why{color:var(--muted); font-size:13px}
.checkline{display:flex; align-items:center; gap:8px; margin-top:6px; font-size:14px; color:var(--muted); text-transform:none; letter-spacing:0; font-weight:600}
.explain h2{font-size:20px; margin:30px 0 8px}
.explain h3{font-family:var(--body); font-weight:800; text-transform:none; letter-spacing:0; font-size:16px; margin:18px 0 4px}
.explain p{color:var(--muted); margin-bottom:8px}
.err{color:#B4231A; font-size:13px; margin-top:8px; display:none}

@media (max-width:640px){
  .hero{grid-template-columns:1fr}
  .guides{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){ *{transition:none!important} }

/* print: calculator plan only */
#planPrint .print-head{display:none}
@media print{
  body *{visibility:hidden}
  #planPrint, #planPrint *{visibility:visible}
  #planPrint{position:absolute; left:0; top:0; width:100%}
  #planPrint .print-head{display:block; margin-bottom:8px}
  #planPrint .print-head h2{font-size:18px}
  #planPrint .print-head p{font-size:13px; color:#333}
  tr.deload td{color:#000}
}