:root{
  --ink:#1b2a4a; --ink-soft:#41506b; --muted:#8090a8;
  --paper:#fbf9f4; --card:#ffffff; --line:#e8e2d6;
  --navy:#1f3864; --navy-soft:#2e4a7d;
  --teal:#2a9d8f; --amber:#e9a23b; --coral:#e07a5f;
  --safe:#3a9d5d; --safe-bg:#e7f4ec; --safe-line:#bfe3cc;
  --target:#d99311; --target-bg:#fcf3dd; --target-line:#f0dca6;
  --reach:#d1574a; --reach-bg:#fceae6; --reach-line:#f3c9c0;
  --shadow:0 2px 8px rgba(31,56,100,.06),0 8px 28px rgba(31,56,100,.07);
  --shadow-lg:0 10px 40px rgba(31,56,100,.13);
  --radius:18px; --radius-sm:11px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Spline Sans',system-ui,sans-serif;
  background:var(--paper); color:var(--ink);
  line-height:1.55; -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 15% 0%,rgba(42,157,143,.05),transparent 40%),radial-gradient(circle at 85% 5%,rgba(233,162,59,.06),transparent 38%);
}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:600;line-height:1.15;color:var(--navy)}
a{color:var(--teal);text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}

/* ---------- top nav ---------- */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(251,249,244,.82);border-bottom:1px solid var(--line)}
.topbar .row{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-family:'Fraunces';font-weight:600;font-size:20px;color:var(--navy)}
.brand .mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--teal));
  display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:var(--shadow)}
.navlinks{display:flex;gap:6px;flex-wrap:wrap}
.navlinks a{padding:8px 13px;border-radius:9px;color:var(--ink-soft);font-weight:500;font-size:14.5px;transition:.18s}
.navlinks a:hover{background:#fff;color:var(--navy);box-shadow:var(--shadow)}
.navlinks a.active{background:var(--navy);color:#fff;box-shadow:var(--shadow)}
.navlinks a.active:hover{color:#fff}
@media(max-width:820px){.navlinks{display:none}}

/* ---------- hero / AIR tool ---------- */
.hero{padding:46px 0 30px;position:relative}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  font-weight:600;color:var(--teal);background:var(--safe-bg);padding:6px 13px;border-radius:30px;margin-bottom:16px}
.hero h1{font-size:clamp(33px,5vw,54px);font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.hero h1 em{font-style:italic;color:var(--teal)}
.hero .lede{font-size:18px;color:var(--ink-soft);max-width:620px;margin-bottom:30px}

.toolcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:28px 28px 30px;position:relative;overflow:hidden}
.toolcard::before{content:"";position:absolute;inset:0 0 auto 0;height:5px;
  background:linear-gradient(90deg,var(--safe),var(--target),var(--reach))}
.toolcard h2{font-size:23px;margin-bottom:4px}
.toolcard .sub{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.inputrow{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap}
.field{flex:1;min-width:220px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:7px;letter-spacing:.01em}
.airbox{display:flex;align-items:center;gap:0;border:2px solid var(--navy);border-radius:13px;overflow:hidden;background:#fff}
.airbox span{padding:0 15px;font-weight:600;color:var(--muted);font-size:14px;white-space:nowrap;background:#f7f9fc;align-self:stretch;display:flex;align-items:center;border-right:1px solid var(--line)}
.airbox input{flex:1;border:0;outline:0;padding:15px 16px;font-size:25px;font-weight:700;color:var(--navy);font-family:'Fraunces';width:100%;background:transparent}
.btn{border:0;cursor:pointer;font-family:'Spline Sans';font-weight:600;font-size:15.5px;
  padding:16px 30px;border-radius:13px;background:var(--navy);color:#fff;transition:.18s;box-shadow:var(--shadow);white-space:nowrap}
.btn:hover{background:var(--navy-soft);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn.ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--navy)}

.controls{display:flex;gap:22px;flex-wrap:wrap;margin-top:20px;padding-top:20px;border-top:1px dashed var(--line);align-items:center}
.ctl{display:flex;flex-direction:column;gap:6px}
.ctl label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.ctl select,.ctl input[type=range]{font-family:inherit}
.ctl select{padding:9px 12px;border:1.5px solid var(--line);border-radius:9px;background:#fff;font-size:14px;color:var(--ink);font-weight:500;min-width:180px}
.sliderwrap{display:flex;align-items:center;gap:10px}
.sliderwrap output{font-weight:700;color:var(--navy);font-size:14px;min-width:36px;font-family:'Fraunces'}
input[type=range]{accent-color:var(--teal);width:120px}

/* ---------- summary counters ---------- */
.counters{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0 8px}
.counter{border-radius:var(--radius-sm);padding:18px 16px;text-align:center;border:1px solid;position:relative;transition:.2s;cursor:default}
.counter .n{font-family:'Fraunces';font-weight:700;font-size:40px;line-height:1}
.counter .l{font-weight:600;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-top:5px}
.counter .d{font-size:12px;color:var(--muted);margin-top:3px}
.c-safe{background:var(--safe-bg);border-color:var(--safe-line)}.c-safe .n,.c-safe .l{color:var(--safe)}
.c-target{background:var(--target-bg);border-color:var(--target-line)}.c-target .n,.c-target .l{color:var(--target)}
.c-reach{background:var(--reach-bg);border-color:var(--reach-line)}.c-reach .n,.c-reach .l{color:var(--reach)}

/* ---------- results ---------- */
.results{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
@media(max-width:900px){.results{grid-template-columns:1fr}.counters{grid-template-columns:repeat(3,1fr)}}
.bucket{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.bucket .head{padding:14px 17px;color:#fff;font-weight:600}
.bucket .head .t{font-family:'Fraunces';font-size:17px;display:flex;align-items:center;gap:8px}
.bucket .head .s{font-size:12px;opacity:.9;font-weight:500;margin-top:2px}
.bk-safe .head{background:var(--safe)}.bk-target .head{background:var(--target)}.bk-reach .head{background:var(--reach)}
.bucket .list{padding:8px;overflow-y:auto;max-height:440px;flex:1}
.item{padding:10px 11px;border-radius:9px;transition:.15s;border:1px solid transparent}
.item:hover{background:var(--paper);border-color:var(--line)}
.item .iit{font-weight:600;font-size:13.5px;color:var(--navy)}
.item .crs{font-size:12.5px;color:var(--ink-soft);margin:1px 0 5px}
.item .meta{display:flex;gap:12px;font-size:11.5px;color:var(--muted)}
.item .meta b{color:var(--ink);font-weight:600}
.empty{padding:30px 16px;text-align:center;color:var(--muted);font-size:13.5px}
.morenote{padding:11px;font-size:12px;color:var(--muted);text-align:center;font-style:italic;border-top:1px dashed var(--line)}

/* ---------- generic section ---------- */
.section{padding:54px 0 10px}
.section-h{margin-bottom:7px}
.section-h .kick{font-size:12.5px;letter-spacing:.13em;text-transform:uppercase;font-weight:600;color:var(--teal)}
.section-h h2{font-size:clamp(26px,3.4vw,36px);margin-top:6px}
.section-h p{color:var(--ink-soft);max-width:680px;margin-top:9px;font-size:15.5px}

/* ---------- cards & tables ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-top:22px;overflow:hidden}
.card h3{font-size:20px;margin-bottom:3px}
.card .cap{color:var(--muted);font-size:13.5px;margin-bottom:16px}
.tablescroll{overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:13px;min-width:520px}
th,td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--navy);color:#fff;font-weight:600;font-size:12px;letter-spacing:.03em;position:sticky;top:0;cursor:pointer;user-select:none}
th:hover{background:var(--navy-soft)}
th .arrow{opacity:.5;font-size:10px;margin-left:3px}
tbody tr:nth-child(even){background:#faf8f3}
tbody tr:hover{background:var(--safe-bg)}
td.num{text-align:right;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.chip{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600}
.up{background:var(--reach-bg);color:var(--reach)}
.down{background:var(--safe-bg);color:var(--safe)}
.flat{background:#eef0f4;color:var(--muted)}
.best{background:var(--safe-bg);color:var(--safe);font-weight:700}

/* selector pills */
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.pill{padding:8px 15px;border-radius:30px;border:1.5px solid var(--line);background:#fff;cursor:pointer;
  font-size:13.5px;font-weight:600;color:var(--ink-soft);transition:.16s}
.pill:hover{border-color:var(--teal);color:var(--teal)}
.pill.active{background:var(--navy);border-color:var(--navy);color:#fff}

/* heatmap */
.heat{overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--line)}
table.heatmap{min-width:760px}
table.heatmap td{text-align:center;font-weight:600;font-variant-numeric:tabular-nums;color:#1b2a4a;border:1px solid rgba(255,255,255,.5)}
table.heatmap td.rowlab{text-align:left;background:#f3f0e8!important;color:var(--navy);font-weight:600;position:sticky;left:0;z-index:2;white-space:nowrap;font-size:12.5px}
table.heatmap th.corner{position:sticky;left:0;z-index:3}
.heat-na{color:#c4c4c4!important;background:#f4f4f4!important;font-weight:400}
.legend{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:12.5px;color:var(--ink-soft);flex-wrap:wrap}
.legend .bar{height:13px;width:160px;border-radius:7px;background:linear-gradient(90deg,#3a9d5d,#8cc06a,#f4d35e,#e9a23b,#d1574a)}
.legend .lo,.legend .hi{font-weight:600}

.chartbox{position:relative;height:380px;margin-top:6px}
.chartgrid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:840px){.chartgrid{grid-template-columns:1fr}}

.insight{display:flex;gap:11px;padding:13px 15px;background:var(--safe-bg);border-left:3px solid var(--teal);
  border-radius:9px;margin-top:14px;font-size:13.5px;color:var(--ink-soft)}
.insight b{color:var(--navy)}

.disclaimer{background:var(--reach-bg);border:1px solid var(--reach-line);border-radius:var(--radius-sm);
  padding:15px 18px;margin:30px 0;font-size:13px;color:#8a3528;line-height:1.6}
.disclaimer b{color:var(--reach)}

footer{padding:40px 0 60px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--line);margin-top:40px}

.fade{opacity:0;transform:translateY(14px);animation:rise .6s forwards}
@keyframes rise{to{opacity:1;transform:none}}
.hidden{display:none!important}

/* ============================================================
   MULTI-PAGE ADDITIONS
   ============================================================ */

/* mobile nav: hamburger */
.navtoggle{display:none;background:none;border:1.5px solid var(--line);border-radius:9px;
  width:42px;height:38px;cursor:pointer;font-size:18px;color:var(--navy);align-items:center;justify-content:center}
@media(max-width:820px){
  .navtoggle{display:flex}
  .navlinks{position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:2px;
    background:rgba(251,249,244,.98);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
    padding:10px 22px 16px;display:none;box-shadow:var(--shadow)}
  .navlinks.open{display:flex}
  .navlinks a{font-size:15.5px;padding:11px 13px}
}

/* ---------- persistent AIR banner (non-home pages) ---------- */
.airbar{background:linear-gradient(120deg,var(--navy),var(--navy-soft));color:#fff;
  border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:18px 22px;margin:26px 0 4px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;position:relative;overflow:hidden}
.airbar::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:linear-gradient(90deg,var(--safe),var(--target),var(--reach))}
.airbar .lbl{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;opacity:.85}
.airbar .miniair{display:flex;align-items:center;border:2px solid rgba(255,255,255,.35);
  border-radius:11px;overflow:hidden;background:rgba(255,255,255,.1)}
.airbar .miniair span{padding:0 12px;font-size:13px;font-weight:600;opacity:.8;align-self:stretch;display:flex;align-items:center;background:rgba(0,0,0,.12)}
.airbar .miniair input{border:0;outline:0;background:transparent;color:#fff;font-family:'Fraunces';
  font-weight:700;font-size:21px;padding:9px 13px;width:130px}
.airbar .miniair input::placeholder{color:rgba(255,255,255,.5)}
.airbar .hint{font-size:13px;opacity:.85;max-width:340px}
.airbar .btn{padding:11px 20px;font-size:14px}
.airbar .btn.light{background:#fff;color:var(--navy)}
.airbar .btn.light:hover{background:#eef2f8}

/* ---------- verdict pill (shared) ---------- */
.verdict{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:30px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em}
.v-safe{background:var(--safe-bg);color:var(--safe)}
.v-target{background:var(--target-bg);color:var(--target)}
.v-reach{background:var(--reach-bg);color:var(--reach)}
.v-out{background:#eef0f4;color:var(--muted)}

/* ---------- probability gauge ---------- */
.gaugewrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.gauge{--p:0;--c:var(--teal);width:118px;height:118px;border-radius:50%;flex-shrink:0;
  background:conic-gradient(var(--c) calc(var(--p)*1%),#edeae1 0);
  display:grid;place-items:center;position:relative}
.gauge::after{content:"";position:absolute;inset:11px;background:var(--card);border-radius:50%}
.gauge .val{position:relative;z-index:1;font-family:'Fraunces';font-weight:700;font-size:27px;color:var(--navy)}
.gauge .val small{display:block;font-size:10px;letter-spacing:.08em;color:var(--muted);font-weight:600;font-family:'Spline Sans'}

/* ---------- closest cutoffs / list rows ---------- */
.youline{display:flex;align-items:center;gap:10px;margin:14px 0;padding:9px 14px;border-radius:9px;
  background:var(--navy);color:#fff;font-weight:600;font-size:13.5px}
.youline .tag{background:#fff;color:var(--navy);border-radius:6px;padding:2px 9px;font-size:12px;font-weight:700}
.cl-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;
  padding:9px 12px;border-bottom:1px solid var(--line);font-size:13.5px}
.cl-row:last-child{border-bottom:0}
.cl-row .nm{font-weight:600;color:var(--navy)}
.cl-row .nm small{display:block;font-weight:400;color:var(--ink-soft);font-size:12px}
.cl-row .rk{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink)}

/* ---------- stat cards ---------- */
.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:14px;margin-top:6px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;box-shadow:var(--shadow)}
.stat .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}
.stat .v{font-family:'Fraunces';font-weight:700;font-size:30px;color:var(--navy);line-height:1.1;margin-top:4px}
.stat .sub{font-size:12.5px;color:var(--ink-soft);margin-top:3px}

/* ---------- compare ---------- */
.cmp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:6px}
.cmp-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px;position:relative}
.cmp-card.empty-slot{border-style:dashed;display:grid;place-items:center;color:var(--muted);
  min-height:210px;text-align:center;font-size:13.5px}
.cmp-card .x{position:absolute;top:11px;right:12px;cursor:pointer;color:var(--muted);
  font-size:17px;line-height:1;border:0;background:none}
.cmp-card .x:hover{color:var(--reach)}
.cmp-card h4{font-size:16px;margin-bottom:1px}
.cmp-card .ctx{font-size:12.5px;color:var(--ink-soft);margin-bottom:12px}
.cmp-rows{font-size:13px}
.cmp-rows div{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px dashed var(--line)}
.cmp-rows div:last-child{border-bottom:0}
.cmp-rows b{font-variant-numeric:tabular-nums;color:var(--navy)}
.addbox{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-top:6px}
.addbox select{padding:10px 12px;border:1.5px solid var(--line);border-radius:9px;background:#fff;
  font-size:14px;font-family:inherit;min-width:200px;color:var(--ink)}

/* range bars (branch spread) */
.spread{display:flex;flex-direction:column;gap:9px;margin-top:6px}
.spread-row{display:grid;grid-template-columns:160px 1fr 70px;gap:12px;align-items:center;font-size:13px}
.spread-row .lab{font-weight:600;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.spread-track{position:relative;height:13px;background:#eee;border-radius:7px}
.spread-fill{position:absolute;height:100%;border-radius:7px;
  background:linear-gradient(90deg,var(--safe),var(--target),var(--reach))}
.spread-row .rng{font-size:12px;color:var(--ink-soft);text-align:right;font-variant-numeric:tabular-nums}

.pagehead{padding:40px 0 4px}
.pagehead .kick{font-size:12.5px;letter-spacing:.13em;text-transform:uppercase;font-weight:600;color:var(--teal)}
.pagehead h1{font-size:clamp(28px,4vw,42px);margin-top:8px;font-weight:700}
.pagehead p{color:var(--ink-soft);max-width:680px;margin-top:10px;font-size:16px}

.subtabs{display:flex;gap:6px;flex-wrap:wrap;margin:22px 0 4px;border-bottom:1px solid var(--line);padding-bottom:0}
.subtab{padding:10px 16px;border:0;background:none;cursor:pointer;font-family:inherit;font-weight:600;
  font-size:14.5px;color:var(--ink-soft);border-bottom:2.5px solid transparent;margin-bottom:-1px;transition:.16s}
.subtab:hover{color:var(--navy)}
.subtab.active{color:var(--navy);border-bottom-color:var(--teal)}