/* ==========================================================================
   TOOLS: interactive calculators. Extends styles-v2.css + statistics/stats.css
   Added 2026-11-01 (CAC payback calculator).
   ========================================================================== */

.tl-hero{padding-top:clamp(104px,12vh,132px);padding-bottom:0;}
.tl-hero h1{max-width:none;margin-top:18px;font-size:clamp(40px,6vw,84px);}
.tl-hero .st-lead{margin-top:20px;max-width:78ch;}
.tl-hero .st-lead p{font-size:clamp(15px,1.3vw,17px);}

/* ---------- calculator shell ---------- */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:0;margin-top:36px;border:2px solid var(--black);background:var(--cream);}
.calc-in{padding:32px 32px 28px;border-right:2px solid var(--black);}
.calc-out{background:var(--black);color:var(--cream);padding:32px;position:relative;}
.calc-out-inner{position:sticky;top:92px;}

.calc-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--red);}
.calc-bar .label{color:var(--black);}

/* segmented controls */
.seg{display:inline-flex;border:1.5px solid var(--black);}
.seg button{appearance:none;border:0;background:transparent;font:inherit;font-size:11px;font-weight:var(--w-bold);letter-spacing:.05em;text-transform:uppercase;color:var(--black);padding:8px 12px;cursor:pointer;min-height:36px;}
.seg button+button{border-left:1.5px solid var(--black);}
.seg button[aria-pressed="true"]{background:var(--black);color:var(--cream);}
.seg button:hover:not([aria-pressed="true"]){background:rgba(0,0,0,.06);}
.seg-sm button{padding:5px 9px;min-height:30px;font-size:10.5px;}

.presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}
.presets .p-l{font-size:11px;font-weight:var(--w-bold);letter-spacing:.05em;text-transform:uppercase;color:#4a4440;align-self:center;margin-right:4px;}
.presets button{appearance:none;font:inherit;font-size:12px;font-weight:var(--w-bold);color:var(--black);background:transparent;border:1.5px solid var(--black);border-radius:999px;padding:7px 13px;cursor:pointer;min-height:34px;}
.presets button:hover,.presets button.on{background:var(--red);border-color:var(--red);color:var(--cream);}

/* fields */
.fgroup{margin-top:22px;}
.fgroup-h{display:flex;justify-content:space-between;align-items:center;gap:10px;}
.fgroup-h h2{font-size:11px;font-weight:var(--w-bold);letter-spacing:.06em;text-transform:uppercase;color:var(--red-ink);}
.field{padding:16px 0 14px;border-bottom:1px solid var(--cream-dark);}
.field:last-child{border-bottom:0;}
.f-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;}
.f-top label{font-size:15px;font-weight:var(--w-bold);color:var(--black);line-height:1.25;}
.f-hint{display:block;margin-top:3px;font-size:12.5px;line-height:1.45;color:#4a4440;font-weight:var(--w-regular);}
.f-num{display:flex;align-items:center;border-bottom:2px solid var(--black);min-width:132px;max-width:160px;}
.f-num span{font-size:15px;font-weight:var(--w-bold);color:#4a4440;padding:0 4px;}
.f-num input{appearance:none;-moz-appearance:textfield;border:0;background:transparent;font:inherit;font-size:22px;font-weight:var(--w-black);letter-spacing:-.01em;color:var(--black);width:100%;text-align:right;padding:4px 2px;outline:none;}
.f-num:focus-within{border-bottom-color:var(--red);}
.f-num input::-webkit-outer-spin-button,.f-num input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}

/* range */
.f-range{margin-top:12px;width:100%;-webkit-appearance:none;appearance:none;height:28px;background:transparent;cursor:pointer;--p:50%;}
.f-range::-webkit-slider-runnable-track{height:3px;background:linear-gradient(to right,var(--red) 0 var(--p),var(--cream-dark) var(--p) 100%);}
.f-range::-moz-range-track{height:3px;background:var(--cream-dark);}
.f-range::-moz-range-progress{height:3px;background:var(--red);}
.f-range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;margin-top:-9.5px;background:var(--cream);border:3px solid var(--black);border-radius:50%;}
.f-range::-moz-range-thumb{width:16px;height:16px;background:var(--cream);border:3px solid var(--black);border-radius:50%;}
.f-range:focus-visible{outline:none;}
.f-range:focus-visible::-webkit-slider-thumb{border-color:var(--red);box-shadow:0 0 0 4px rgba(255,0,1,.18);}

.f-derived{margin-top:8px;font-size:12.5px;color:#4a4440;}
.f-derived b{color:var(--black);}
.hide{display:none !important;}

details.adv{margin-top:8px;border-top:1px solid var(--red);}
details.adv summary{list-style:none;cursor:pointer;padding:16px 0 4px;font-size:11px;font-weight:var(--w-bold);letter-spacing:.06em;text-transform:uppercase;color:var(--red-ink);display:flex;justify-content:space-between;}
details.adv summary::-webkit-details-marker{display:none;}
details.adv summary::after{content:"+";font-size:16px;line-height:1;color:var(--black);}
details.adv[open] summary::after{content:"–";}

/* ---------- output ---------- */
.o-label{font-size:11px;font-weight:var(--w-bold);letter-spacing:.06em;text-transform:uppercase;color:var(--cream-dark);}
.o-big{margin-top:14px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;}
.o-big b{font-size:clamp(76px,9vw,136px);font-weight:var(--w-black);letter-spacing:-.04em;line-height:.82;color:var(--red);font-variant-numeric:tabular-nums;}
.o-big span{font-size:clamp(18px,1.8vw,24px);font-weight:var(--w-bold);color:var(--cream);}
.o-verdict{margin-top:20px;display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:var(--w-bold);letter-spacing:.05em;text-transform:uppercase;padding:8px 12px;border:1.5px solid var(--cream);}
.o-verdict i{width:8px;height:8px;border-radius:50%;background:var(--cream);display:block;}
.o-verdict[data-v="strong"] i{background:#3ddc84;}
.o-verdict[data-v="ok"] i{background:#f5c542;}
.o-verdict[data-v="slow"] i,.o-verdict[data-v="never"] i{background:var(--red);}
.o-say{margin-top:16px;font-size:16px;line-height:1.55;color:var(--cream);max-width:48ch;font-weight:var(--w-medium);}
.o-say b{color:var(--red);font-weight:var(--w-black);}

.o-scale{margin-top:26px;}
.o-track{position:relative;height:10px;display:grid;grid-template-columns:12fr 6fr 6fr 12fr;gap:3px;}
.o-track span:nth-child(1){background:#3ddc84;opacity:.85;}
.o-track span:nth-child(2){background:#f5c542;opacity:.85;}
.o-track span:nth-child(3){background:#ff8a3d;opacity:.85;}
.o-track span:nth-child(4){background:var(--red);opacity:.85;}
.o-pin{position:absolute;top:-7px;width:3px;height:24px;background:var(--cream);transform:translateX(-50%);transition:left .35s var(--ease-out-standard);}
.o-ticks{position:relative;height:18px;margin-top:8px;font-size:10.5px;font-weight:var(--w-bold);letter-spacing:.04em;color:var(--cream-dark);}
.o-ticks span{position:absolute;transform:translateX(-50%);}
.o-ticks span:first-child{transform:none;}
.o-ticks span:last-child{transform:translateX(-100%);}

.o-grid{margin-top:26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--red);}
.o-grid>div{padding:16px 12px 14px 0;border-bottom:1px solid #2a2a2a;}
.o-grid>div:nth-child(odd){border-right:1px solid #2a2a2a;}
.o-grid>div:nth-child(even){padding-left:16px;}
.o-grid dt{font-size:10.5px;font-weight:var(--w-bold);letter-spacing:.06em;text-transform:uppercase;color:var(--cream-dark);}
.o-grid dd{margin-top:6px;font-size:clamp(22px,2.2vw,30px);font-weight:var(--w-black);letter-spacing:-.02em;color:var(--cream);font-variant-numeric:tabular-nums;}
.o-grid dd small{font-size:13px;font-weight:var(--w-bold);color:var(--cream-dark);letter-spacing:0;}

.o-actions{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap;}
.o-actions button{appearance:none;font:inherit;font-size:11px;font-weight:var(--w-bold);letter-spacing:.05em;text-transform:uppercase;padding:11px 14px;min-height:42px;cursor:pointer;border:1.5px solid var(--cream);background:transparent;color:var(--cream);}
.o-actions button.primary{background:var(--red);border-color:var(--red);}
.o-actions button:hover{background:var(--cream);color:var(--black);border-color:var(--cream);}
.o-actions .toast{align-self:center;font-size:12px;color:#3ddc84;font-weight:var(--w-bold);opacity:0;transition:opacity .25s;}
.o-actions .toast.on{opacity:1;}

/* ---------- chart + levers ---------- */
.calc-more{grid-column:1 / -1;border-top:2px solid var(--black);display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);}
.c-chart{padding:28px 32px 24px;border-right:2px solid var(--black);min-width:0;}
.c-levers{padding:28px 32px 24px;min-width:0;}
.c-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;}
.c-h h2{font-size:clamp(20px,2vw,26px);font-weight:var(--w-black);letter-spacing:-.015em;line-height:1.05;color:var(--red);}
.c-h p{font-size:12.5px;color:#4a4440;}
.legend{margin-top:10px;display:flex;gap:18px;flex-wrap:wrap;font-size:12px;font-weight:var(--w-bold);color:var(--black);}
.legend span{display:inline-flex;align-items:center;gap:7px;}
.legend i{display:block;width:18px;height:3px;background:var(--red);}
.legend i.dash{background:repeating-linear-gradient(to right,var(--black) 0 5px,transparent 5px 9px);}
.legend i.cac{background:var(--black);height:2px;}
.chart-wrap{position:relative;margin-top:14px;}
.chart-wrap svg{width:100%;height:auto;overflow:visible;touch-action:pan-y;}
.chart-tip{position:absolute;pointer-events:none;background:var(--black);color:var(--cream);font-size:12px;line-height:1.4;padding:8px 10px;white-space:nowrap;transform:translate(-50%,-110%);opacity:0;transition:opacity .15s;}
.chart-tip b{color:var(--red);}
.chart-tip.on{opacity:1;}
.ax{font-size:11px;font-weight:700;fill:#4a4440;font-family:var(--font-grotesk);}

.lever-list{list-style:none;margin-top:16px;border-top:1px solid var(--red);}
.lever-list li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 14px;padding:13px 0;border-bottom:1px solid var(--cream-dark);align-items:center;}
.lever-list .lv-n{font-size:14px;font-weight:var(--w-bold);color:var(--black);}
.lever-list .lv-d{font-size:15px;font-weight:var(--w-black);color:var(--red-ink);font-variant-numeric:tabular-nums;text-align:right;}
.lever-list .lv-bar{grid-column:1 / -1;height:4px;background:var(--cream-dark);}
.lever-list .lv-bar i{display:block;height:100%;background:var(--red);transition:width .35s var(--ease-out-standard);}
.lever-list li:first-child .lv-n::after{content:"Biggest lever";margin-left:8px;font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;background:var(--black);color:var(--cream);padding:3px 6px;vertical-align:2px;}
.c-levers .f-derived{margin-top:14px;}

/* ---------- mobile sticky result ---------- */
.m-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--black);color:var(--cream);display:none;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px calc(12px + env(safe-area-inset-bottom));border-top:3px solid var(--red);transform:translateY(110%);transition:transform .3s var(--ease-out-standard);}
.m-bar.on{transform:none;}
.m-bar b{font-size:26px;font-weight:var(--w-black);color:var(--red);letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.m-bar span{font-size:11px;font-weight:var(--w-bold);letter-spacing:.05em;text-transform:uppercase;}
.m-bar a{font-size:11px;font-weight:var(--w-bold);letter-spacing:.05em;text-transform:uppercase;border:1.5px solid var(--cream);padding:9px 12px;}

/* formula block */
.formula{margin-top:20px;padding:20px 22px;background:var(--black);color:var(--cream);font-size:clamp(15px,1.5vw,18px);font-weight:var(--w-bold);line-height:1.6;max-width:70ch;}
.formula em{font-style:normal;color:var(--red);}

@media(max-width:1000px){
  .calc{grid-template-columns:minmax(0,1fr);}
  .calc-in{border-right:0;border-bottom:2px solid var(--black);}
  .calc-out-inner{position:static;}
  .calc-more{grid-template-columns:minmax(0,1fr);}
  .c-chart{border-right:0;border-bottom:2px solid var(--black);}
  .m-bar{display:flex;}
}
@media(max-width:600px){
  .calc{margin-top:36px;border-width:1.5px;margin-left:calc(var(--page-x) * -1 + 10px);margin-right:calc(var(--page-x) * -1 + 10px);}
  .calc-in,.calc-out,.c-chart,.c-levers{padding:22px 18px;}
  .f-num{min-width:118px;max-width:132px;}
  .f-num input{font-size:20px;}
  .f-top label{font-size:14px;}
  .o-grid dd{font-size:22px;}
  .seg button{padding:8px 10px;}
  .calc-bar .seg{width:100%;}
  .calc-bar .seg button{flex:1;}
}
@media(prefers-reduced-motion:reduce){.o-pin,.lever-list .lv-bar i,.m-bar{transition:none;}}
@media print{.m-bar,.o-actions,.nav{display:none !important;}.calc-out{background:#fff;color:#000;}}

/* ---------- installed app (PWA) ---------- */
.ios-hint{position:fixed;left:12px;right:12px;bottom:calc(84px + env(safe-area-inset-bottom));z-index:95;background:var(--cream);color:var(--black);border:2px solid var(--black);padding:14px 44px 14px 16px;font-size:14px;line-height:1.45;box-shadow:0 8px 24px rgba(0,0,0,.18);}
.ios-hint b{color:var(--red-ink);}
.ios-hint button{position:absolute;top:6px;right:8px;appearance:none;border:0;background:transparent;font-size:24px;line-height:1;color:var(--black);cursor:pointer;padding:6px;}
.is-app .pb-nav{padding-top:calc(18px + env(safe-area-inset-top));}