/* =====================================================================
   Practices — shared by Threshold and Hotline.
   Calculator, charts, fence, research log, pricing, FAQ, closing form.
   ===================================================================== */

/* ---------- Instrument: sliders + readout ---------- */
.instr { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
@media (max-width: 900px) { .instr { grid-template-columns: 1fr; gap: 20px; } }
.instr + .instr { margin-top: 28px; }
.panel { background: var(--paper); border-radius: 22px; padding: 30px 28px; box-shadow: var(--shadow-pill); }
.panel.center { display: flex; flex-direction: column; justify-content: center; }
.fields { display: grid; gap: 24px; }
.slider label {
  display: flex; justify-content: space-between; align-items: baseline; gap: 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--mute); margin-bottom: 12px;
}
.slider output {
  font-family: var(--mono); font-size: 14px; font-weight: 500; color: var(--ink);
  letter-spacing: 0; text-transform: none; font-variant-numeric: tabular-nums;
}
.slider .hint { font-size: 12.5px; color: var(--mute); margin-top: 9px; letter-spacing: -.005em; }

/* Range: a machined track with an ink fill and a lifted thumb */
input[type=range] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 22px; margin: 0;
  background: transparent; cursor: pointer; --fill: 50%;
}
input[type=range]::-webkit-slider-runnable-track {
  height: 4px; border-radius: 4px;
  background: linear-gradient(to right, var(--ink) var(--fill), var(--line-2) var(--fill));
}
input[type=range]::-moz-range-track { height: 4px; border-radius: 4px; background: var(--line-2); }
input[type=range]::-moz-range-progress { height: 4px; border-radius: 4px; background: var(--ink); }
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 20px; height: 20px; border-radius: 50%;
  margin-top: -8px; background: var(--paper); border: 0;
  box-shadow: var(--shadow-pill), 0 0 0 1px var(--line-2);
  transition: transform .2s var(--ease-glide), box-shadow .2s;
}
input[type=range]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%; background: var(--paper); border: 0;
  box-shadow: var(--shadow-pill), 0 0 0 1px var(--line-2);
  transition: transform .2s var(--ease-glide);
}
input[type=range]:hover::-webkit-slider-thumb { transform: scale(1.12); }
input[type=range]:active::-webkit-slider-thumb { transform: scale(.94); box-shadow: var(--shadow-ink); background: var(--ink); }
input[type=range]:active::-moz-range-thumb { transform: scale(.94); background: var(--ink); }
input[type=range]:focus-visible { outline: none; }
input[type=range]:focus-visible::-webkit-slider-thumb { box-shadow: var(--shadow-pill), 0 0 0 2px var(--ink); }
input[type=range]:focus-visible::-moz-range-thumb { box-shadow: var(--shadow-pill), 0 0 0 2px var(--ink); }

.readout {
  background: var(--ink); color: var(--paper); border-radius: 22px; padding: 34px 30px;
  box-shadow: var(--shadow-ink); display: flex; flex-direction: column; justify-content: center;
}
.readout .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--on-ink-mute); }
.readout .v {
  font-weight: 500; font-size: clamp(48px, 6.4vw, 84px); line-height: .92; letter-spacing: -.04em;
  font-variant-numeric: tabular-nums; margin: 16px 0 10px;
}
.readout .sub { font-size: 14.5px; color: var(--on-ink-mute); line-height: 1.5; max-width: 34ch; margin: 0; }
.readout .rows {
  margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--on-ink-line);
  display: flex; gap: 30px; flex-wrap: wrap;
}
.readout .rv { font-weight: 500; font-size: 20px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.readout .rk { font-family: var(--mono); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--on-ink-mute); margin-top: 5px; }

.pull {
  font-weight: 500; font-size: clamp(21px, 2.4vw, 29px); line-height: 1.2; letter-spacing: -.025em;
  margin: 18px 0 0; text-wrap: balance;
}
.panel .body { font-size: 14.5px; color: var(--ink-2); line-height: 1.6; margin: 20px 0 0; max-width: 42ch; }

/* ---------- Charts ---------- */
figure { margin: 0; }
.chartsvg { display: block; width: 100%; height: auto; margin-top: 18px; overflow: visible; touch-action: pan-y; }
.chartsvg text { font-family: var(--mono); }
.cfoot { font-size: 12.5px; color: var(--mute); line-height: 1.5; margin-top: 14px; max-width: 54ch; }
.scrub-read {
  display: flex; align-items: baseline; gap: 12px; margin-top: 16px; min-height: 26px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--mute);
}
.scrub-read b { font-weight: 500; color: var(--ink); font-size: 15px; letter-spacing: 0; font-variant-numeric: tabular-nums; }
.scrub-read .odds { color: var(--coral-txt); }

.note {
  display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; align-items: baseline;
  background: var(--hush); border-radius: 16px; padding: 18px 22px; margin-top: 28px;
  font-size: 13.5px; color: var(--ink-2); line-height: 1.55;
}
.note p { margin: 0; max-width: 78ch; }
@media (max-width: 640px) { .note { grid-template-columns: 1fr; } }

/* ---------- The fence ---------- */
.fence { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 820px) { .fence { grid-template-columns: 1fr; } }
.fbox ul { margin: 18px 0 0; padding: 0; list-style: none; }
.fbox li {
  font-size: 14.5px; color: var(--ink-2); line-height: 1.5; padding: 13px 0 13px 22px;
  border-top: 1px solid var(--line); position: relative;
}
.fbox li:last-child { border-bottom: 1px solid var(--line); }
.fbox li::before { content: ""; position: absolute; left: 0; top: 20px; width: 8px; height: 8px; border-radius: 50%; }
.fbox.yes li::before { background: var(--neon); box-shadow: 0 0 6px var(--neon-glow); }
.fbox.no li::before { background: var(--coral); box-shadow: 0 0 6px var(--coral-glow); }
.fence-spec { margin-top: 44px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .fence-spec { grid-template-columns: 1fr; gap: 24px; } }
.fence-spec .pull { margin: 14px 0 0; max-width: 20ch; }
.fence-spec .body { font-size: 14.5px; color: var(--ink-2); line-height: 1.6; margin: 16px 0 0; max-width: 42ch; }

/* Handoff card: a transcript line, a flag, a route, what the model didn't do */
.handoff .h-line { display: grid; grid-template-columns: 88px 1fr; gap: 14px; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.5; color: var(--ink-2); }
.handoff .h-line:first-of-type { border-top: 0; padding-top: 4px; }
.handoff .h-who { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); padding-top: 3px; }
.handoff .h-flag {
  display: flex; align-items: center; gap: 10px; margin: 6px 0 4px; padding: 11px 14px;
  border-radius: 12px; background: var(--hush); font-size: 13.5px; font-weight: 500; color: var(--ink);
}
.handoff .h-flag .dot { --c: var(--coral); --c-glow: var(--coral-glow); }
.handoff .h-route {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 10px; padding: 12px 14px; border-radius: 12px; background: var(--ink); color: var(--paper);
  box-shadow: var(--shadow-ink); font-size: 13.5px; font-weight: 500;
}
.handoff .h-route .t { font-family: var(--mono); font-size: 12px; font-variant-numeric: tabular-nums; color: var(--on-ink-mute); }
.handoff .h-not {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 14px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute);
}
.handoff .h-not s { text-decoration: line-through; text-decoration-color: var(--coral); text-decoration-thickness: 1.5px; background: var(--hush); color: var(--ink-3); padding: 4px 9px; border-radius: 999px; }

/* ---------- Research: the weekly log ---------- */
.research { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: start; }
@media (max-width: 960px) { .research { grid-template-columns: 1fr; gap: 40px; } }
.research h2 {
  font-weight: 500; font-size: clamp(34px, 4.4vw, 62px); line-height: .98; letter-spacing: -.03em;
  margin: 20px 0 0; text-wrap: balance; max-width: 14ch;
}
.research .lede { font-size: 17px; color: var(--ink-2); line-height: 1.5; margin: 24px 0 0; max-width: 46ch; }
.research .inline-form { margin-top: 30px; }
.research .form-fine { margin-top: 14px; }
.rules { list-style: none; margin: 0; padding: 0; counter-reset: rule; }
.rules li {
  counter-increment: rule; display: grid; grid-template-columns: 40px 1fr; gap: 14px;
  padding: 18px 0; border-top: 1px solid var(--line-2); font-size: 15px; line-height: 1.5; color: var(--ink-2);
}
.rules li:last-child { border-bottom: 1px solid var(--line-2); }
.rules li::before {
  content: counter(rule, decimal-leading-zero); font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .14em; color: var(--mute); padding-top: 4px;
}
.rules li b { color: var(--ink); font-weight: 500; display: block; }
.honest {
  margin-top: 28px; padding: 18px 22px; border: 1px dashed var(--line-2); border-radius: 16px;
  font-size: 14px; line-height: 1.55; color: var(--ink-2);
}
.honest .label { display: block; margin-bottom: 6px; }

/* ---------- Pricing ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; } }
.plan { display: flex; flex-direction: column; }
.plan.on { background: var(--ink); color: var(--paper); box-shadow: var(--shadow-ink); }
.plan.on:hover { box-shadow: var(--shadow-ink); }
.plan.on .eyebrow, .plan.on .desc, .plan.on li, .plan.on .per { color: var(--on-ink-mute); }
.plan.on li, .plan.on li:last-of-type { border-color: var(--on-ink-line); }
.plan h3 { font-weight: 500; font-size: 23px; letter-spacing: -.025em; margin: 18px 0 0; }
.plan .price {
  font-weight: 500; font-size: clamp(40px, 4vw, 54px); line-height: .95; letter-spacing: -.04em;
  margin: 20px 0 0; font-variant-numeric: tabular-nums;
}
.plan .per { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); margin-top: 10px; }
.plan .desc { font-size: 14.5px; color: var(--ink-2); line-height: 1.55; margin: 18px 0 0; }
.plan ul { list-style: none; margin: 24px 0 0; padding: 0; flex: 1; }
.plan li { font-size: 13.5px; color: var(--ink-2); line-height: 1.45; padding: 11px 0; border-top: 1px solid var(--line); }
.plan li:last-of-type { border-bottom: 1px solid var(--line); }
.plan .btn { margin-top: 26px; }
.plan.on .btn { background: var(--paper); color: var(--ink); box-shadow: var(--shadow-pill); }
.pnote {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 28px; margin-top: 26px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; color: var(--mute);
  line-height: 1.8; text-transform: uppercase;
}

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line-2); max-width: 980px; }
.faq details { border-bottom: 1px solid var(--line-2); }
.faq summary {
  cursor: pointer; list-style: none; padding: 26px 0; display: grid;
  grid-template-columns: 40px 1fr 28px; gap: 16px; align-items: baseline;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .n { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--mute); }
.faq summary .q {
  font-weight: 500; font-size: clamp(18px, 2.1vw, 25px); letter-spacing: -.022em; line-height: 1.2; color: var(--ink);
  transition: transform .3s var(--ease-out);
}
.faq summary:hover .q { transform: translateX(4px); }
.faq .pm { position: relative; width: 14px; height: 14px; justify-self: end; align-self: center; }
.faq .pm::before, .faq .pm::after {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; margin-top: -.75px;
  background: var(--ink-3); border-radius: 2px; transition: transform .35s var(--ease-glide), background .2s;
}
.faq .pm::after { transform: rotate(90deg); }
.faq details[open] .pm::after { transform: rotate(0deg); }
.faq details[open] .pm::before, .faq details[open] .pm::after { background: var(--ink); }
.faq .ans { padding: 0 0 30px 56px; }
.faq .ans p { margin: 0; font-size: 15px; color: var(--ink-2); line-height: 1.6; max-width: 62ch; }
.faq details::details-content {
  block-size: 0; overflow: hidden;
  transition: block-size .45s var(--ease-out), content-visibility .45s allow-discrete;
}
.faq details[open]::details-content { block-size: auto; }
@media (max-width: 640px) { .faq summary { grid-template-columns: 1fr 24px; } .faq summary .n { display: none; } .faq .ans { padding-left: 0; } }

/* ---------- Closing: the audit request ---------- */
.closing-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 64px; align-items: start; }
@media (max-width: 960px) { .closing-grid { grid-template-columns: 1fr; gap: 40px; } }
.closing h2 {
  font-weight: 500; font-size: clamp(38px, 5.1vw, 76px); line-height: .97; letter-spacing: -.032em;
  margin: 20px 0 0; text-wrap: balance; max-width: 12ch;
}
.closing .lede { font-size: 17px; color: var(--ink-2); line-height: 1.5; margin: 26px 0 0; max-width: 42ch; }
.closing .meta { display: grid; gap: 22px; margin-top: 44px; }
.closing .meta .kv .v { font-weight: 400; font-size: 15px; color: var(--ink-2); line-height: 1.5; }
.closing .meta a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-2); transition: text-decoration-color .2s; }
.closing .meta a:hover { text-decoration-color: var(--ink); }
.request { padding: 30px 28px 24px; }
.request h3 { font-weight: 500; font-size: clamp(22px, 2.4vw, 28px); letter-spacing: -.024em; margin: 0 0 24px; line-height: 1.2; }
.request .form-grid { gap: 18px 16px; }
.request .done { text-align: center; padding: 30px 8px 18px; }
.request .done h3 { margin: 22px 0 12px; outline: none; }
.request .done p { font-size: 15px; color: var(--ink-2); line-height: 1.6; max-width: 40ch; margin: 0 auto; }

/* Sister-practice line in the footer region */
.sister {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 32px;
  padding: 30px 0; border-top: 1px solid var(--line);
}
.sister p { margin: 0; font-size: 14.5px; color: var(--ink-2); max-width: 60ch; }
.sister .links { display: flex; gap: 10px; flex-wrap: wrap; }
.sister .glyph { width: 18px; height: 18px; border-radius: 6px; box-shadow: none; }
.sister .glyph::after { left: 4px; right: 4px; top: 8px; height: 2px; }