/* Кейсы · «Гроссбух». Prefix .cas- */

.cas-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 32px 64px;
  align-items: end;
}
.cas-sum { margin: 0; display: grid; }
.cas-sum > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: var(--bw) solid var(--line);
}
.cas-sum > div:first-child { border-top: var(--bw) solid var(--line); }
.cas-sum dt {
  font-family: var(--label-font);
  font-size: var(--label-size);
  font-weight: var(--label-weight);
  letter-spacing: var(--label-track);
  text-transform: var(--label-case);
  color: var(--ink-3);
}
.cas-sum dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: var(--w-strong);
  white-space: nowrap;
}
@media (max-width: 900px) {
  .cas-hero-grid { grid-template-columns: minmax(0, 1fr); }
}

.cas-main { padding-top: clamp(28px, 4vw, 48px); }
.cas-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.cas-chips .chip { gap: 7px; }
.cas-chip-n {
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  opacity: .5;
}
.cas-chips .chip[aria-pressed="true"] .cas-chip-n { opacity: .7; }
.cas-count {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ink-3);
  white-space: nowrap;
}
.cas-count b {
  display: inline-block;
  min-width: 1ch;
  color: var(--ink);
  font-weight: var(--w-strong);
  font-variant-numeric: tabular-nums;
}

.cas-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.cas-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 24px 28px 22px;
  background: var(--raised);
  border: var(--bw) solid var(--line-2);
  border-top: 2px solid var(--line-strong);
  border-radius: 0;
  cursor: pointer;
  opacity: 1;
  transition: border-color .25s var(--ease-out), box-shadow .35s var(--ease-out), opacity .2s var(--ease-out);
}
.cas-card:hover {
  box-shadow: 0 18px 40px -26px color-mix(in srgb, var(--ink) 40%, transparent);
  border-color: var(--ink-3);
  border-top-color: var(--line-strong);
}
.cas-card.is-out { opacity: 0; transform: scale(.98); }
.cas-card.is-open { border-color: var(--accent); }
.cas-card-top {
  display: flex;
  align-items: baseline;
  gap: 6px 12px;
  flex-wrap: wrap;
  font-family: var(--label-font);
  font-size: var(--label-size);
  font-weight: var(--label-weight);
  letter-spacing: var(--label-track);
  text-transform: var(--label-case);
  color: var(--ink-3);
}
.cas-no { color: var(--ink); }
.cas-term { margin-left: auto; }
.cas-client { margin-top: 8px; text-wrap: balance; }
.cas-meta { margin-top: -4px; font-size: 14px; color: var(--ink-3); }
.cas-done {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--ink);
}
.cas-done .i {
  flex: none;
  color: var(--pos);
  stroke-width: 2.2;
  transform: translateY(2px);
}
.cas-problem {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--ink-2);
}
.cas-figs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: auto;
  padding-top: 18px;
  border-top: var(--bw) solid var(--line);
}
.cas-fig { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.cas-fig-v { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 8px; }
.cas-fig-v b {
  font-family: var(--font-display);
  font-weight: 320;
  font-size: clamp(40px, 3.8vw, 54px);
  line-height: 1;
  letter-spacing: -.03em;
  white-space: nowrap;
}
.cas-fig-v small { font-size: 14.5px; font-weight: 500; color: var(--ink-2); }
.cas-fig-t { font-size: 13.5px; line-height: 1.4; color: var(--ink-3); }
.cas-open {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding: 6px 0;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
  background: none;
  border: 0;
  cursor: pointer;
  transition: color var(--t-fast);
}
.cas-open .i { transition: transform .35s var(--ease-out); }
.cas-card:hover .cas-open { color: var(--accent-text); }
.cas-card:hover .cas-open .i { transform: translateX(4px); }

@media (max-width: 860px) {
  .cas-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }
}
@media (max-width: 760px) {
  .cas-chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    width: calc(100% + var(--gutter) * 2);
  }
  .cas-chips::-webkit-scrollbar { display: none; }
  .cas-chips .chip { flex: none; height: 40px; }
  .cas-card { padding: 22px 20px 18px; }
}

/* Drawer */
.cas-drawer .drawer-panel { width: min(560px, 100vw); }
.cas-d-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 14px 14px 26px;
  border-bottom: var(--bw) solid var(--line);
}
.cas-d-pos {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cas-d-nav { display: flex; gap: 2px; flex: none; }
.cas-d-nav .icon-btn:disabled { opacity: .3; pointer-events: none; }
.cas-d-body {
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 26px 26px 34px;
}
.cas-d-title { font-size: clamp(26px, 2.6vw, 34px); text-wrap: balance; }
.cas-d-meta { margin-top: 8px; font-size: 14px; color: var(--ink-3); }
.cas-d-figs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0 6px;
  padding: 18px 0;
  border-top: var(--bw) solid var(--line-strong);
  border-bottom: var(--bw) solid var(--line);
}
.cas-d-figs .cas-fig-v b {
  font-family: var(--font-display);
  font-weight: 320;
}
.cas-d-in section { margin-top: 24px; }
.cas-d-in section > .label { display: block; margin-bottom: 8px; }
.cas-d-in section > p {
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--ink-2);
  text-wrap: pretty;
}
.cas-d-steps { margin-top: 12px; }
.cas-d-steps > li {
  animation: rise .45s var(--ease-out) both;
  animation-delay: calc(.12s + var(--k) * .08s);
}
.cas-d-steps > li::before { background: var(--raised); }
.cas-step-t {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
}
.cas-step-s {
  display: block;
  margin-top: 2px;
  font-size: 15px;
  line-height: 1.45;
  color: var(--ink);
}
.cas-d-foot { padding: 14px 26px 20px; border-top: var(--bw) solid var(--line); }
.cas-d-foot .btn {
  white-space: normal;
  height: auto;
  min-height: var(--btn-h);
  padding-block: 10px;
  text-align: center;
}
@media (max-width: 560px) {
  .cas-d-head { padding-left: 18px; }
  .cas-d-body { padding: 22px 18px 28px; }
  .cas-d-foot { padding: 12px 18px 16px; }
}

.js [data-reveal]:not(.is-in) { opacity: 0; transform: translateY(12px); }
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity .55s var(--ease-out), transform .55s var(--ease-out);
  transition-delay: var(--d, 0ms);
}