/* Homepage V4 (D-023): new platform graphic family and the redone managed-service section.
   Loaded on / after home-v3.css. Builds on V3 tokens (--z3-*). */
.z4-feat *, .z4-managed, .z4-managed * { box-sizing: border-box; }

/* ── Platform graphic family ───────────────────────────────────────── */
.z4-art { position: relative; flex: none; margin-top: auto; height: 300px; display: grid; place-items: center; padding: 32px; overflow: hidden; background: #efede8; }
.z4-art::before, .z4-art::after { content: ""; position: absolute; pointer-events: none; }
.z4-art::before { left: -12%; bottom: -35%; width: 62%; height: 95%; background: #f6f5f3; }
.z4-art::after { right: -10%; top: -30%; width: 46%; height: 75%; background: #e8e5de; }
.z3-feat__item--lg .z4-art, .z3-feat__item--md .z4-art { height: 400px; padding: 40px; }
.z4-panel { position: relative; z-index: 1; width: 100%; max-width: 420px; background: #fff; color: #000; box-shadow: 0 1px 0 var(--z3-rule), 0 24px 48px -18px #0c0a0829; transition: transform .5s cubic-bezier(.2,.7,.2,1); }
.z3-feat__card:hover .z4-panel { transform: translateY(-4px); }
.z4-panel__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--z3-rule); }
.z4-panel__title { font: 400 22px/1.2 var(--z-font-heading); letter-spacing: -.01em; color: #000; }
.z4-panel__meta { font: 400 13px/1.3 var(--z-font-body); color: var(--z3-body); }
.z4-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; background: var(--z3-warm); font: 500 12px/1.2 var(--z-font-body); color: var(--z3-body); white-space: nowrap; }
.z4-chip i { display: inline-flex; width: 12px; height: 12px; }
.z4-chip svg { width: 12px; height: 12px; }
.z4-chip--mint { background: var(--z3-mint); color: var(--z3-green); }
.z4-chip--green { background: var(--z3-green); color: #fff; }
.z4-rows { list-style: none; margin: 0; padding: 0; }
.z4-rows li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 22px; border-top: 1px solid var(--z3-rule); font: 400 15px/1.3 var(--z-font-body); color: var(--z3-body); }
.z4-rows li:first-child { border-top: 0; }
.z4-rows b { font: 500 15px/1.3 var(--z-font-body); color: #000; font-variant-numeric: tabular-nums; }
.z4-rows b svg { width: 16px; height: 16px; color: var(--z3-green); display: block; }
.z4-calc__addr { margin: 0; padding: 14px 22px 10px; font: 500 14px/1.3 var(--z-font-body); color: #000; }
.z4-calc__total { display: flex; align-items: baseline; justify-content: space-between; padding: 16px 22px 18px; background: var(--z3-green); color: #fff; font: 400 14px/1.3 var(--z-font-body); }
.z4-calc__total strong { font: 400 40px/1 var(--z-font-heading); letter-spacing: -.02em; color: #fff; }
.z4-bars { list-style: none; margin: 0; padding: 4px 0 8px; }
.z4-bars li { padding: 14px 22px 10px; }
.z4-bars__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; font: 500 15px/1.3 var(--z-font-body); color: #000; }
.z4-bar { position: relative; height: 8px; margin-top: 10px; background: #efede8; }
.z4-bar i { position: absolute; inset: 0 auto 0 0; width: var(--v); background: var(--z3-rule-2); }
.z4-bars li.is-near .z4-bar i { background: #1b595a; }
.z4-bars li.is-crossed .z4-bar i { background: var(--z3-green); }
.z4-bars small { display: block; margin-top: 6px; font: 400 13px/1.3 var(--z-font-body); color: var(--z3-body); font-variant-numeric: tabular-nums; }
.z4-status { list-style: none; margin: 0; padding: 0; }
.z4-status li { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 12px; padding: 13px 22px; border-top: 1px solid var(--z3-rule); font: 500 15px/1.3 var(--z-font-body); color: #000; }
.z4-status li:first-child { border-top: 0; }
.z4-due { font: 400 14px/1.3 var(--z-font-body); color: var(--z3-body); font-variant-numeric: tabular-nums; }
.z4-notice { justify-self: start; align-self: start; width: 82%; padding: 22px 22px 26px; }
.z4-notice__from { margin: 0; font: 500 12px/1.3 var(--z-font-body); color: var(--z3-body); }
.z4-notice__title { margin: 8px 0 16px; font: 400 22px/1.2 var(--z-font-heading); color: #000; }
.z4-notice__lines i { display: block; height: 8px; margin-top: 10px; background: #efede8; }
.z4-notice__reply { position: absolute; z-index: 2; right: 28px; bottom: 28px; width: 72%; display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.z4-notice__reply b { display: block; font: 500 15px/1.3 var(--z-font-body); }
.z4-notice__reply small { display: block; font: 400 13px/1.3 var(--z-font-body); color: var(--z3-body); }
.z4-dot { display: grid; place-items: center; flex: 0 0 28px; width: 28px; height: 28px; background: var(--z3-green); color: var(--z3-mint); }
.z4-dot i, .z4-dot svg { display: block; width: 14px; height: 14px; }
.z4-art--api { display: flex; flex-direction: column; justify-content: center; align-items: stretch; padding: 48px; }
.z4-code { position: relative; z-index: 1; width: 100%; max-width: 460px; background: var(--z3-act); color: #fff; }
.z4-code__bar { display: flex; align-items: center; gap: 12px; padding: 18px 22px; border-bottom: 1px solid #ffffff1f; font: 500 15px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.z4-code__verb { padding: 5px 8px; background: var(--z3-mint); color: var(--z3-green); font-size: 12px; }
.z4-code__steps { list-style: none; margin: 0; padding: 10px 22px 18px; }
.z4-code__steps li { display: flex; align-items: center; gap: 12px; padding: 8px 0; font: 400 15px/1.3 var(--z-font-body); color: #d5e4de; }
.z4-code__steps li span { display: grid; place-items: center; width: 24px; height: 24px; border: 1px solid #ffffff40; font: 500 12px/1 var(--z-font-body); color: #fff; }
.z4-api__res { align-self: flex-end; width: 80%; max-width: 400px; margin-top: -20px; }
.z4-api__res .z4-panel__title { font-size: 20px; white-space: nowrap; }
.z3-feat__item--wide .z4-art { flex: 0 0 50%; height: auto; min-height: 380px; margin-top: 0; }

/* ── Managed service ───────────────────────────────────────────────── */
.z4-managed { background: var(--z3-green); color: #fff; }
.z4-managed__top { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 48px var(--z3-gap); align-items: center; }
.z4-managed__copy { grid-column: 1 / span 5; }
.z4-managed__copy h2 { margin: 0; max-width: 13ch; color: #fff; text-wrap: balance; }
.z4-managed__lead { margin: 24px 0 0; max-width: 27rem; color: #d5e4de !important; }
.z4-split { list-style: none; margin: 40px 0 0; padding: 0; border-top: 1px solid #ffffff2e; }
.z4-split li { display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: baseline; gap: 16px; padding: 18px 0; border-bottom: 1px solid #ffffff2e; font: 400 17px/1.45 var(--z-font-body); color: #fff; }
.z4-split li span { justify-self: start; padding: 4px 10px; background: #ffffff14; font: 500 13px/1.3 var(--z-font-body); color: #fff; }
.z4-split li.is-you span { background: var(--z3-mint); color: var(--z3-green); }
.z4-managed__copy .z3-actions { margin-top: 40px; }

.z4-handoff { grid-column: 7 / -1; position: relative; margin: 0; padding: 64px 0 88px 48px; }
.z4-handoff::before { content: ""; position: absolute; top: 24px; right: -24px; width: 72%; height: 78%; background: #ffffff0a; border: 1px solid #ffffff14; }
.z4-handoff__team { position: absolute; z-index: 3; top: 0; left: 0; display: flex; align-items: center; gap: 12px; padding: 12px 18px 12px 12px; background: #fff; color: #000; box-shadow: 0 20px 40px -16px #0000004d; }
.z4-handoff__team img { display: block; width: 40px; height: 40px; }
.z4-handoff__team b { display: block; font: 500 15px/1.3 var(--z-font-body); }
.z4-handoff__team small { display: block; font: 400 13px/1.3 var(--z-font-body); color: var(--z3-body); }
.z4-handoff__card { position: relative; z-index: 2; max-width: 540px; margin-left: auto; background: #fff; color: #000; box-shadow: 0 32px 64px -24px #00000066; }
.z4-handoff__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 26px 28px 22px; border-bottom: 1px solid var(--z3-rule); }
.z4-handoff__k { display: block; font: 500 13px/1.3 var(--z-font-body); color: var(--z3-body); }
.z4-handoff__t { display: block; margin-top: 6px; font: 400 30px/1.1 var(--z-font-heading); letter-spacing: -.015em; }
.z4-handoff__state { display: grid; }
.z4-handoff__state > span { grid-area: 1 / 1; justify-self: end; display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; font: 500 12px/1.2 var(--z-font-body); white-space: nowrap; }
.z4-handoff__state .is-a { background: var(--z3-warm); color: var(--z3-body); }
.z4-handoff__state .is-b { background: var(--z3-mint); color: var(--z3-green); opacity: 0; }
.z4-handoff__state .is-b i, .z4-handoff__state .is-b svg { display: block; width: 12px; height: 12px; }
.z4-handoff__rows { list-style: none; margin: 0; padding: 0; }
.z4-handoff__rows li { display: flex; align-items: center; justify-content: space-between; padding: 14px 28px; border-top: 1px solid var(--z3-rule); font: 400 15px/1.3 var(--z-font-body); color: var(--z3-body); }
.z4-handoff__rows li:first-child { border-top: 0; }
.z4-handoff__rows b { font: 500 15px/1.3 var(--z-font-body); color: #000; font-variant-numeric: tabular-nums; }
.z4-handoff__rows li.is-total { background: var(--z3-warm); color: #000; }
.z4-handoff__rows li.is-total b { font: 400 26px/1.1 var(--z-font-heading); letter-spacing: -.01em; }
.z4-handoff__note { padding: 14px 28px; border-top: 1px solid var(--z3-rule); font: 400 13px/1.4 var(--z-font-body); color: var(--z3-body); }
.z4-handoff__actions { display: flex; gap: 10px; padding: 4px 28px 28px; }
.z4-handoff__approve, .z4-handoff__ask { display: inline-flex; align-items: center; height: 44px; padding: 0 22px; font: 500 15px/1 var(--z-font-body); }
.z4-handoff__approve { background: var(--z3-act); color: #fff; transition: background .2s, transform .2s; }
.z4-handoff__ask { border: 1px solid var(--z3-rule-2); color: #000; }
.z4-handoff__toast { position: absolute; z-index: 3; left: 0; bottom: 20px; display: flex; align-items: center; gap: 12px; padding: 14px 18px 14px 14px; background: #fff; color: #000; box-shadow: 0 20px 40px -16px #0000004d; }
.z4-handoff__toast b { display: block; font: 500 15px/1.3 var(--z-font-body); }
.z4-handoff__toast small { display: block; font: 400 13px/1.3 var(--z-font-body); color: var(--z3-body); }
.z4-handoff figcaption { position: absolute; right: 0; bottom: 0; font: 400 12px/1.3 var(--z-font-body); color: #a9c4bb; }
/* Played once when the graphic scrolls into view: approve → filed and paid → notice answered. */
.z4-handoff.is-play .z4-handoff__approve { animation: z4-press .5s ease 1.2s both; }
.z4-handoff.is-play .z4-handoff__state .is-a { animation: z4-out .3s ease 1.7s forwards; }
.z4-handoff.is-play .z4-handoff__state .is-b { animation: z4-in .4s ease 1.9s forwards; }
.z4-handoff.is-js .z4-handoff__toast { opacity: 0; transform: translateY(12px); }
.z4-handoff.is-play .z4-handoff__toast { animation: z4-rise .5s cubic-bezier(.2,.7,.2,1) 2.8s forwards; }
@keyframes z4-press { 40% { transform: scale(.96); background: var(--z3-green); } 100% { background: var(--z3-green); } }
@keyframes z4-out { to { opacity: 0; } }
@keyframes z4-in { to { opacity: 1; } }
@keyframes z4-rise { to { opacity: 1; transform: none; } }

.z4-managed__proof { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 40px var(--z3-gap); margin-top: 104px; padding-top: 56px; border-top: 1px solid #ffffff2e; align-items: start; }
.z4-commit { grid-column: 1 / span 7; }
.z4-commit__k { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; font: 500 14px/1.3 var(--z-font-body); color: var(--z3-mint); }
.z4-commit__k::before { content: ""; width: 10px; height: 10px; background: var(--z3-mint); }
.z4-commit__t { margin: 0; max-width: 22ch; font: 400 clamp(1.75rem, 1.2rem + 1.6vw, 2.625rem)/1.18 var(--z-font-heading); letter-spacing: -.015em; color: #fff; text-wrap: balance; }
.z4-managed__quote { grid-column: 9 / -1; margin: 0; padding-left: 28px; border-left: 1px solid #ffffff2e; }
.z4-managed__quote blockquote { margin: 0; padding: 0; border: 0; }
.z4-managed__quote blockquote p { margin: 0; font: 400 20px/1.4 var(--z-font-heading); color: #e0eee7; }
.z4-managed__quote, .z4-managed__quote * { text-align: left !important; }
.z4-managed__quote figcaption { margin-top: 16px; font: 500 14px/1.3 var(--z-font-body); color: #a9c4bb; }

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
  .z4-handoff { padding-left: 24px; }
  .z4-handoff__team small { display: none; }
}
@media (max-width: 980px) {
  .z3-feat__item--lg .z4-art, .z3-feat__item--md .z4-art, .z4-art { height: 340px; padding: 32px; }
  .z4-art--api { height: auto; padding: 40px 32px; }
  .z3-feat__item--wide .z4-art { flex: none; min-height: 0; }
  .z4-managed__copy, .z4-handoff, .z4-commit, .z4-managed__quote { grid-column: 1 / -1; }
  .z4-handoff { padding: 64px 0 88px; max-width: 600px; }
  .z4-managed__proof { margin-top: 64px; padding-top: 40px; }
  .z4-managed__quote { padding-left: 0; border-left: 0; }
}
@media (max-width: 600px) {
  .z4-art, .z3-feat__item--lg .z4-art, .z3-feat__item--md .z4-art { height: auto; min-height: 280px; padding: 32px 20px; }
  .z4-panel__head { padding: 14px 16px; }
  .z4-panel__title { font-size: 19px; }
  .z4-rows li, .z4-status li, .z4-bars li { padding-left: 16px; padding-right: 16px; }
  .z4-calc__addr, .z4-calc__total { padding-left: 16px; padding-right: 16px; }
  .z4-calc__total strong { font-size: 32px; }
  .z4-bars li:nth-child(3) { display: none; }
  .z4-notice__reply { right: 16px; bottom: 20px; width: 80%; }
  .z4-art--api { padding: 28px 20px; }
  .z4-split li { grid-template-columns: 64px minmax(0, 1fr); font-size: 16px; }
  .z4-handoff { padding: 0; }
  .z4-handoff::before { display: none; }
  .z4-handoff__team, .z4-handoff__toast { position: relative; top: auto; left: auto; bottom: auto; }
  .z4-handoff__team { margin-bottom: 8px; }
  .z4-handoff__toast { margin-top: 8px; }
  .z4-handoff__head, .z4-handoff__rows li, .z4-handoff__note, .z4-handoff__actions { padding-left: 18px; padding-right: 18px; }
  .z4-handoff__head { flex-direction: column; }
  .z4-handoff__state > span { justify-self: start; }
  .z4-handoff figcaption { position: static; margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .z4-panel { transition: none; }
  .z4-handoff.is-js .z4-handoff__toast { opacity: 1; transform: none; }
  .z4-handoff.is-play * { animation: none !important; }
}