/* ZeroHuman page only. Built on assets/css/site.css tokens and components. */

/* Hero */
.page-hero .cluster { align-items: center; }
.page-hero .cluster .eyebrow { margin: 0; }
.zh-journey__rows { display: grid; }
.zh-journey__row {
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  border-top: 1px solid var(--line);
}
.zh-journey__row:first-child { border-top: 0; }
.zh-journey__title { font-size: 15px; font-weight: 500; letter-spacing: -0.015em; }
.zh-journey .ui-thread { gap: 6px; }
.zh-journey .ui-bubble { max-width: 78%; }

/* Mission */
.mission { gap: var(--space-6); }
.mission__statement {
  font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3.25rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.12;
  max-width: 22em;
}
.mission .lead { max-width: 40rem; }

/* Core technology */
.zh-quote {
  margin: 0 0 var(--head-gap);
  padding-left: var(--space-5);
  border-left: 2px solid var(--accent);
  font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.3;
  max-width: 44rem;
}
.zh-usecases { display: grid; gap: var(--space-4); margin-top: var(--space-7); }

/* Platforms */
.plat { display: grid; gap: var(--space-5); align-content: start; padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem); }
.plat__head { display: flex; align-items: center; gap: var(--space-3); }
.plat .checklist { margin-top: var(--space-2); padding-top: var(--space-5); border-top: 1px solid var(--line); }

/* WhatsApp in action */
.zh-chat-wrap { display: grid; gap: var(--space-4); }
.zh-chat { max-width: 30rem; width: 100%; }
.zh-chat__body { display: grid; gap: 16px; }
.zh-chat__meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.zh-chat .ui-thread { gap: 10px; }
.zh-voice { display: grid; gap: 8px; width: 78%; max-width: none; }
.zh-voice .ui-wave { --wave-h: 26px; display: flex; }
.zh-chat__foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.zh-caption { color: var(--text-faint); }
@media (max-width: 1023px) {
  .zh-chat-wrap { order: 1; }
}
.flow-list { list-style: none; counter-reset: flow; display: grid; margin-top: var(--space-3); border-top: 1px solid var(--line); }
.flow-list li {
  counter-increment: flow;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: 6px var(--space-3);
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.flow-list li::before {
  content: counter(flow, decimal-leading-zero);
  grid-row: 1 / 4;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  color: var(--accent);
  padding-top: 4px;
}
.flow-list h3 { font-size: 1.125rem; font-weight: 500; letter-spacing: -0.02em; }
.flow-list p { color: var(--text-muted); font-size: var(--fs-sm); max-width: 34rem; }
.flow-list .label { margin-top: 4px; }

/* Case studies */
.stack-lg { display: grid; gap: var(--space-6); }
.case {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-7);
  padding: clamp(1.5rem, 1rem + 2vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--surface);
  box-shadow: var(--inner-hi);
}
.case__copy { display: grid; gap: var(--space-4); align-content: start; }
.case__copy .h3 { max-width: 20em; }
.case__links { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-6); margin-top: var(--space-2); }
.case__stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: var(--space-6) var(--grid-gap);
}
.case__stats li { padding-top: var(--space-4); border-top: 1px solid var(--line-strong); min-width: 0; }
.case__value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: clamp(2rem, 1.5rem + 1.6vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.case__label { margin-top: var(--space-2); color: var(--text-muted); font-size: var(--fs-sm); }
@media (max-width: 1023px) {
  .case { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
}

/* Industries (tabs) */
.tabs__list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--space-6); }
.tab {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.tab:hover { color: var(--text); border-color: var(--line-max); }
.tab[aria-selected="true"] { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.tab:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.tabs__panels { border-top: 1px solid var(--line); }
.tabpanel {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-7);
  padding: var(--space-7) 0 0;
}
.tabpanel[hidden] { display: none; }
.tabs:not(.is-ready) .tabpanel { padding-bottom: var(--space-7); border-bottom: 1px solid var(--line); }
.tabpanel__intro { display: grid; gap: var(--space-3); align-content: start; }
.tabpanel__intro .label { color: var(--accent); }
.tabpanel__lists { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); align-content: start; }
.tabpanel__lists > div { display: grid; gap: var(--space-4); align-content: start; }
.plist { list-style: none; display: grid; gap: 12px; }
.plist li { position: relative; padding-left: 16px; color: var(--text-muted); font-size: var(--fs-sm); }
.plist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 1px;
  background: var(--accent);
}
@media (max-width: 1023px) {
  .tabpanel { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); }
}
@media (max-width: 639px) {
  .tabs__list { flex-wrap: nowrap; overflow-x: auto; margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); scrollbar-width: none; }
  .tabs__list::-webkit-scrollbar { display: none; }
  .tab { flex: none; }
  .tabpanel__lists { grid-template-columns: minmax(0, 1fr); }
}

/* Case studies: wide stat */
.case__wide { grid-column: 1 / -1; }
@media (min-width: 1024px) {
  .tabpanel { min-height: 23rem; }
}