/* ==========================================================================
   churn-save.css — "Churn save flow" page visuals.
   Insight reason cards · Fig. 01 cancel-flow phone + routing table ·
   Fig. 02 stated-reason × usage matrix · Fig. 03 per-100 dot grid.
   Colours: tokens only, except inside .phone__screen.
   ========================================================================== */

/* ---------- Insight: three reasons ---------- */
.cs-reasons { display: grid; gap: 1rem; margin-top: clamp(28px, 4vw, 44px); }
@media (min-width: 760px) { .cs-reasons { grid-template-columns: repeat(3, 1fr); } }
.cs-reason {
  display: grid; gap: .6rem; align-content: start; padding: clamp(20px, 2.4vw, 28px);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.cs-reason h3 { font: italic 400 1.5rem/1.15 var(--font-serif); letter-spacing: -.01em; color: var(--ink); }
.cs-reason p { font-size: .95rem; line-height: 1.55; }
.cs-reason__tag { justify-self: start; padding: .3rem .55rem; border-radius: 999px; border: 1px solid var(--line-strong); }

/* ---------- Fig. 01 · cancel flow + routing table ---------- */
.cs-flow { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .cs-flow { grid-template-columns: 300px minmax(0, 1fr); gap: clamp(40px, 5vw, 72px); } }
.cs-phone { width: min(100%, 300px); }

.cs-route { display: grid; gap: 1.1rem; align-content: start; }
.cs-route__lede { color: var(--ink-2); font-size: .97rem; }
.cs-route__table { display: grid; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: var(--surface); }
.cs-route__row {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: .25rem .9rem; padding: .85rem 1rem;
  border-top: 1px solid var(--line); font-size: .9rem; color: var(--ink-2); line-height: 1.4;
  transition: background-color .4s var(--ease-out), box-shadow .4s var(--ease-out);
}
.cs-route__row > span:nth-child(3) { grid-column: 1 / -1; color: var(--muted); font-size: .84rem; }
@media (min-width: 560px) {
  .cs-route__row { grid-template-columns: 1fr 1.1fr 1.3fr; }
  .cs-route__row > span:nth-child(3) { grid-column: auto; }
}
.cs-route__row b { color: var(--ink); font-weight: 600; }
.cs-route__row--head { border-top: 0; background: var(--paper-2); font: 500 var(--fs-mono)/1.4 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.cs-route__row--head > span:nth-child(3) { display: none; }
@media (min-width: 560px) { .cs-route__row--head > span:nth-child(3) { display: inline; font-size: inherit; } }
.cs-route__row.is-active { background: var(--signal-soft); box-shadow: inset 2px 0 0 var(--signal); }
.cs-route__row.is-active b { color: var(--signal-ink); }

/* phone UI — hard-coded colours allowed inside .phone__screen */
.csf { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 14px 18px 20px; font-family: var(--font-sans); color: #15140f; }
.csf__status { display: flex; justify-content: space-between; font: 600 11px/1 var(--font-sans); padding: 2px 6px 0; }
.csf__status span:last-child { letter-spacing: -1px; font-size: 9px; }
.csf__bar { margin-top: 26px; font-size: 12px; font-weight: 500; color: #6c685f; }
.csf__bar span { font-size: 18px; vertical-align: -2px; margin-right: 4px; }
.csf__panel {
  position: absolute; left: 18px; right: 18px; top: 84px; bottom: 20px;
  display: flex; flex-direction: column; gap: 10px;
  opacity: 0; visibility: hidden; transform: translateX(16px);
  transition: opacity .45s var(--ease-out), transform .55s var(--ease-out), visibility 0s linear .45s;
}
.csf[data-step="reason"] [data-panel="reason"],
.csf[data-step="offer"] [data-panel="offer"],
.csf[data-step="done"] [data-panel="done"] { opacity: 1; visibility: visible; transform: none; transition: opacity .45s var(--ease-out), transform .55s var(--ease-out), visibility 0s; }
.csf__kicker, .csf__tag { font: 500 9.5px/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: #6c685f; }
.csf__tag { align-self: flex-start; padding: 5px 8px; border-radius: 999px; background: #15140f; color: #f4f1ea; }
.csf__title { font: 400 25px/1.08 var(--font-serif); letter-spacing: -.015em; color: #15140f; }
.csf__sub { font-size: 12px; line-height: 1.45; color: #3b3932; }
.csf__reasons { display: grid; gap: 8px; margin-top: 6px; }
.csf__reason {
  display: flex; align-items: center; justify-content: space-between; min-height: 46px; padding: 0 14px;
  border-radius: 12px; background: #fff; box-shadow: 0 0 0 1px rgba(21,20,15,.12);
  font-size: 13px; font-weight: 500; text-align: left; color: #15140f;
  transition: box-shadow .25s, transform .3s var(--ease-out);
}
.csf__reason::after { content: "›"; font-size: 18px; color: #6c685f; }
.csf__reason:hover { box-shadow: 0 0 0 1.5px #15140f; }
.csf__reason:active { transform: scale(.98); }
.csf__reason:focus-visible, .csf__primary:focus-visible, .csf__secondary:focus-visible { outline: 2px solid #ef4f16; outline-offset: 2px; }
.csf__visual { flex: 1; min-height: 0; display: grid; place-items: center; }
.csf__actions { display: grid; gap: 8px; margin-top: auto; }
.csf__primary, .csf__secondary { height: 44px; border-radius: 999px; font: 600 13px/1 var(--font-sans); }
.csf__primary { background: #15140f; color: #f4f1ea; }
.csf__secondary { color: #3b3932; box-shadow: inset 0 0 0 1px rgba(21,20,15,.18); }
[data-panel="done"] { justify-content: center; align-items: flex-start; }
[data-panel="done"] .csf__secondary { margin-top: 10px; padding: 0 20px; }
.csf__check { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: #ef4f16; color: #fff; font-size: 20px; }
.csf__check.is-bye { background: #e7e3d9; color: #3b3932; }

/* offer visuals */
.csv-price { width: 100%; display: grid; gap: 10px; }
.csv-price__row { display: grid; grid-template-columns: 62px 1fr; align-items: center; gap: 10px; font: 500 9.5px/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: #6c685f; }
.csv-price__bar { height: 12px; border-radius: 999px; background: #d9d4c8; }
.csv-price__bar--offer { width: 68%; background: #ef4f16; }
.csv-month { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; width: 100%; }
.csv-month i { aspect-ratio: 1; border-radius: 4px; background: #ece8de; }
.csv-month i.on { background: #ef4f16; opacity: .85; }
.csv-month__l { grid-column: 1 / -1; margin-top: 4px; font: 500 9.5px/1.4 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: #6c685f; }
.csv-pause { display: grid; justify-items: center; gap: 10px; text-align: center; }
.csv-pause__ic { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: #ece8de; }
.csv-pause__ic::before { content: ""; width: 18px; height: 22px; border-left: 6px solid #15140f; border-right: 6px solid #15140f; box-sizing: border-box; }
.csv-pause ul { list-style: none; padding: 0; margin: 0; font-size: 11.5px; color: #3b3932; display: grid; gap: 3px; }
.csv-pause li::before { content: "✓ "; color: #ef4f16; }

/* ---------- Fig. 02 · reason × usage matrix ---------- */
.cs-mx { display: grid; gap: 1.5rem; }
.cs-mx__top { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: flex-end; }
.cs-mx__q { margin-top: .6rem; font: 400 clamp(1.3rem, 2.4vw, 1.75rem)/1.2 var(--font-serif); color: var(--ink); letter-spacing: -.01em; max-width: 26ch; }
.cs-mx__mode { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }

.cs-mx__grid {
  display: grid; gap: 8px;
  grid-template-columns: minmax(72px, .55fr) 1fr 1fr;
  grid-template-areas:
    ".  xa xa"
    "yh c1 c2"
    "r1 a  b"
    "r2 c  d";
}
.cs-mx__axis--x { grid-area: xa; color: var(--muted); }
.cs-mx__axis--y { grid-area: yh; align-self: end; color: var(--muted); }
.cs-mx__colh { align-self: end; color: var(--ink); padding-bottom: .2rem; border-bottom: 1px solid var(--line-strong); }
.cs-mx__colh--1 { grid-area: c1; } .cs-mx__colh--2 { grid-area: c2; }
.cs-mx__rowh { align-self: center; font: italic 400 clamp(.98rem, 1.6vw, 1.25rem)/1.15 var(--font-serif); color: var(--ink); }
.cs-mx__rowh--1 { grid-area: r1; } .cs-mx__rowh--2 { grid-area: r2; }
.cs-mx__cell--a { grid-area: a; } .cs-mx__cell--b { grid-area: b; }
.cs-mx__cell--c { grid-area: c; } .cs-mx__cell--d { grid-area: d; }
@media (max-width: 520px) {
  .cs-mx__axis { font-size: .62rem; }
  .cs-mx__colh { font-size: .62rem; letter-spacing: .04em; }
}

.cs-mx__cell {
  position: relative; display: grid; gap: .45rem; align-content: start; text-align: left;
  min-height: 112px; padding: .85rem .9rem; border-radius: var(--radius-sm);
  background: var(--paper-2); border: 1px solid var(--line);
  transition: border-color .3s, background-color .3s, transform .45s var(--ease-out), box-shadow .3s;
}
.cs-mx__cell:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.cs-mx__cell[aria-pressed="true"] { border-color: var(--ink); background: var(--surface); box-shadow: var(--shadow); }
.cs-mx__d { font: 500 .95rem/1.2 var(--font-sans); color: var(--ink); letter-spacing: -.01em; }
.cs-mx__o {
  justify-self: start; display: inline-flex; align-items: center; gap: .35rem; padding: .3rem .5rem; border-radius: 6px;
  font: 500 .66rem/1.2 var(--font-mono); letter-spacing: .04em; text-transform: uppercase;
  background: var(--surface); border: 1px solid var(--line-strong); color: var(--ink-2);
}
.cs-mx__cell[aria-pressed="true"] .cs-mx__o { background: var(--paper-2); }
.cs-mx__o--disc { border-color: var(--line-strong); }
.cs-mx__flag {
  position: absolute; top: .55rem; right: .55rem; width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; font: 600 .75rem/1 var(--font-sans);
}
.cs-mx__flag--warn { background: var(--signal); color: var(--surface); }
.cs-mx__flag--ok { background: transparent; color: var(--ok); box-shadow: inset 0 0 0 1.5px var(--ok); }
.cs-mx__cell.is-warn { border-style: dashed; border-color: var(--signal); }
.cs-mx__cell.is-changed .cs-mx__o { border-color: var(--ok); color: var(--ok); }
@media (max-width: 520px) {
  .cs-mx__cell { min-height: 104px; padding: .7rem .65rem; }
  .cs-mx__d { font-size: .84rem; }
  .cs-mx__o { font-size: .58rem; padding: .25rem .4rem; }
  .cs-mx__flag { width: 16px; height: 16px; font-size: .62rem; top: .4rem; right: .4rem; }
}

.cs-mx__detail {
  display: grid; gap: .45rem; padding: 1.1rem 1.25rem; border-radius: var(--radius-sm);
  background: var(--paper-2); border-left: 2px solid var(--ink);
  transition: border-color .3s;
}
.cs-mx__detail.is-warn { border-left-color: var(--signal); }
.cs-mx__diag { font: 400 1.5rem/1.15 var(--font-serif); color: var(--ink); letter-spacing: -.01em; }
.cs-mx__detail.is-warn .cs-mx__diag { color: var(--signal-ink); }
.cs-mx__detail p:last-child { color: var(--ink-2); font-size: .96rem; line-height: 1.55; max-width: 62ch; }
.cs-mx__foot { color: var(--muted); }

/* ---------- Fig. 03 · per-100 dot grid ---------- */
.figure--first { margin-top: 0; margin-bottom: clamp(40px, 6vw, 64px); }
.cs-dots { display: grid; gap: 1.5rem; }
.cs-dots__top { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.cs-dots__q { font: 400 clamp(1.3rem, 2.4vw, 1.75rem)/1.2 var(--font-serif); color: var(--ink); letter-spacing: -.01em; }
.cs-dots__q b { font-weight: 400; color: var(--ink); }
.cs-dots__grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: clamp(5px, 1vw, 10px); max-width: 520px; }
@media (min-width: 900px) { .cs-dots__grid { grid-template-columns: repeat(20, 1fr); max-width: none; } }
.cs-dot {
  aspect-ratio: 1; border-radius: 50%; background: transparent; box-shadow: inset 0 0 0 1.5px var(--line-strong);
  transition: background-color .5s var(--ease-out), box-shadow .5s var(--ease-out), transform .5s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 6ms);
}
.cs-dot.is-gone { background: var(--before); box-shadow: none; }
.cs-dot.is-saved { background: var(--signal); box-shadow: 0 0 0 3px var(--signal-soft); transform: scale(.92); }
.cs-dots__legend { display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; font-size: .9rem; color: var(--ink-2); }
.cs-dots__legend span { display: inline-flex; align-items: center; gap: .5rem; transition: opacity .4s; }
.cs-dots__legend b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.cs-dots__saved b { color: var(--signal-ink); }
.cs-dots.is-before .cs-dots__saved { opacity: .25; }
.k { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.k--gone { background: var(--before); }
.k--saved { background: var(--signal); }
.k--stay { box-shadow: inset 0 0 0 1.5px var(--line-strong); }
.csv-month { max-width: 196px; margin-inline: auto; }