/* How it works, Who it's for and Case studies sections, plus the case study pages' shared pieces. */

/* Today and With Talo run top to bottom side by side. Both columns share one row grid through subgrid, so Record
   and Train stay level whatever wraps; Talo's single step spans the two stalled rows it replaces. */
.flows { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(5, auto); gap: 28px 16px; margin-bottom: 40px; }
.flow { display: grid; grid-row: span 5; grid-template-rows: subgrid; padding: 24px; border-radius: var(--radius); background: var(--fill); }
.flow--talo { box-shadow: inset 0 0 0 1px var(--brand); }
.flow__label { font-size: 12px; text-transform: uppercase; color: var(--faint); }
.flow--talo .flow__label { color: var(--brand); }
.flow__steps { display: grid; grid-row: span 4; grid-template-rows: subgrid; }
.flow__steps li { position: relative; display: flex; min-height: 64px; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); font-size: 15px; }
.flow__steps li + li::before { content: ''; position: absolute; top: -29px; left: 27px; width: 2px; height: 22px; background: var(--faint); }
.flow__steps li + li::after { content: ''; position: absolute; top: -9px; left: 24px; border: 4px solid transparent; border-top: 5px solid var(--faint); border-bottom: 0; }
.flow__icon { flex: none; width: 24px; height: 24px; color: var(--brand); }
.flow__steps .flow__step--stall { border-style: dashed; border-color: var(--error); color: var(--error); }
.flow__step--stall .flow__icon { color: var(--error); }
.flow__flag { margin-left: auto; padding: 2px 6px; border-radius: var(--radius-small); background: #F9E3E0; color: var(--error); font-size: 11px; text-transform: uppercase; }
.flow__steps .flow__step--talo { grid-row: span 2; align-content: center; border-color: var(--brand); background: var(--brand); color: var(--accent-ink); font-size: 16px; }
.flow__step--talo .flow__icon { color: var(--accent-ink); }
/* Talo's three stages. Without JavaScript every stage reads as a line; with it they become tabs that cycle
   while in view, each tab showing its progress, until the reader picks one. */
.stages { display: grid; gap: 12px; flex-basis: 100%; }
.stages__tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.stages__tabs[hidden] { display: none; }
.stages__tabs button { position: relative; overflow: hidden; min-height: 32px; padding: 0 12px; border: 0; border-radius: var(--radius-small); background: rgba(255, 255, 255, 0.14); color: var(--accent-ink); font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.04em; cursor: pointer; transition: background 0.2s ease, color 0.2s ease; }
@media (hover: hover) { .stages__tabs button:hover { background: rgba(255, 255, 255, 0.26); } }
.stages__tabs button:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 2px; }
.stages__tabs button[aria-selected='true'] { background: var(--accent-ink); color: var(--brand); }
.stages__tabs button::after { content: ''; position: absolute; inset: auto 0 0 0; height: 2px; background: var(--brand); opacity: 0.45; transform: scaleX(0); transform-origin: left; }
.stages.is-playing .stages__tabs button[aria-selected='true']::after { animation: stage-progress var(--stage-ms, 2800ms) linear forwards; }
@keyframes stage-progress { to { transform: scaleX(1); } }
.stages__panels { display: grid; gap: 8px; }
.stages__panel { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border-radius: 8px; background: rgba(255, 255, 255, 0.08); font-size: 14px; line-height: 1.45; }
.stages__glyph { flex: none; width: 22px; height: 22px; }
.stages__name { font-size: 12px; text-transform: uppercase; opacity: 0.7; }
.stages.is-live .stages__panels > * { grid-area: 1 / 1; transition: opacity 0.25s ease, transform 0.25s ease; }
.stages.is-live .stages__panel:not(.is-active) { visibility: hidden; opacity: 0; transform: translateY(4px); }
.stages.is-live .stages__name { display: none; }

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 40px; }
.step { display: flex; flex-direction: column; gap: 8px; padding: 24px; border-top: 2px solid var(--brand); background: var(--fill); border-radius: 0 0 var(--radius) var(--radius); }
.step__n { display: grid; place-items: center; width: 24px; height: 24px; margin-bottom: 8px; border-radius: 50%; background: var(--brand); color: var(--accent-ink); font-size: 12px; }
.step h3 { color: var(--brand); }
.step p { color: var(--faint); font-size: 15px; }

.delivery { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 12px; margin: 0; }
.delivery__timeline { padding: 24px; border-radius: var(--radius); background: var(--fill); }
.delivery__task { margin-bottom: 16px; color: var(--brand); }
.segbar { display: flex; gap: 3px; margin-bottom: 20px; }
.segbar li { flex: 0 0 calc(var(--w) * 1% - 3px); display: flex; flex-direction: column; gap: 4px; min-width: 0; padding: 10px 8px; border-radius: var(--radius-small); background: var(--brand); color: var(--accent-ink); font-size: 13px; }
.segbar li:nth-child(even) { background: var(--slate); }
.segbar li > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.segbar__t { font-size: 11px; opacity: 0.8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.delivery__parts { display: grid; gap: 8px; font-size: 14px; color: var(--muted); }
.delivery__parts .chip { min-width: 84px; margin-right: 8px; text-align: center; }
.delivery__code { margin: 0; padding: 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); color: var(--slate); font-size: 13px; line-height: 1.55; }
.delivery figcaption { grid-column: 1 / -1; font-size: 13px; color: var(--faint); }

.audiences { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.audience { display: flex; flex-direction: column; gap: 10px; padding: 28px; border-radius: var(--radius); background: var(--fill); }
.audience h3 { color: var(--brand); }
.audience__rows { display: grid; gap: 14px; margin-top: 8px; padding-top: 18px; border-top: 1px solid var(--line); }
.audience__rows .label { margin-bottom: 4px; }
.audience__rows dd { color: var(--muted); }

.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.case-card { display: flex; flex-direction: column; gap: 16px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: border-color 0.15s; }
@media (hover: hover) { .case-card:hover { border-color: var(--brand); } }
.case-card__top { display: flex; align-items: center; gap: 10px; }
.case-card__top .capture__kind { padding-inline: 0; }
.case-card h3 { color: var(--brand); }
.case-card__figs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding-block: 16px; border-block: 1px solid var(--line); }
.case-card__figs dt { font-size: 12px; color: var(--faint); }
.case-card__figs dd { margin-top: 4px; font-size: 24px; color: var(--ink); }
.case-card__more { margin-top: auto; font-size: 14px; color: var(--brand); }

@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .delivery, .audiences, .cases { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .flows { column-gap: 8px; }
  .flow { padding: 14px 10px; }
  .flow__steps li { gap: 6px 8px; padding: 10px; font-size: 13px; }
  .flow__steps .flow__step--talo { font-size: 14px; }
  .flow__steps li + li::before { left: 20px; }
  .flow__steps li + li::after { left: 17px; }
  .flow__icon { width: 20px; height: 20px; }
  .flow__flag { margin-left: 0; }
  .stages__tabs button { padding: 0 8px; }
  .stages__panel { padding: 8px; font-size: 12px; }
  .stages__glyph { display: none; }
  .segbar__t { display: none; }
  .segbar li { padding: 8px 4px; font-size: 11px; }
}

/* Service switch: both step sets stack without JavaScript; tabs appear with it. */
.switch__tabs { display: inline-flex; gap: 4px; margin-bottom: 16px; padding: 4px; border-radius: 12px; background: var(--fill-strong); }
.switch__tabs[hidden] { display: none; }
.switch__tabs button { min-height: 40px; padding: 0 18px; border: 0; border-radius: 9px; background: none; color: var(--slate); font: 500 14px/1 var(--sans); cursor: pointer; }
.switch__tabs button[aria-selected='true'] { background: var(--bg); color: var(--brand); box-shadow: 0 1px 3px rgba(17, 17, 17, 0.12); }
.switch__title { margin-bottom: 12px; color: var(--faint); font-size: 14px; }
.switch.is-switch .switch__title { display: none; }
.steps--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

/* Flow diagrams build top to bottom once, the first time they scroll in. */
.flows.is-pending .flow__steps li { opacity: 0; transform: translateY(-8px); }
.flows.is-built .flow__steps li { transition: opacity 0.3s ease, transform 0.3s ease; transition-delay: calc(var(--i) * 110ms); }
.flows.is-built .flow:nth-child(2) .flow__steps li { transition-delay: calc(350ms + var(--i) * 110ms); }

/* Term definitions: shown on hover, focus or tap, by CSS alone. */
.term { position: relative; border-bottom: 1px dotted currentColor; cursor: help; }
.term:focus-visible { outline-offset: 1px; }
.term__tip { display: none; position: absolute; left: 50%; bottom: calc(100% + 8px); z-index: 25; width: max-content; max-width: min(280px, 80vw); padding: 10px 12px; border-radius: 8px; background: var(--ink); color: #FFFFFF; font: 400 13px/1.4 var(--sans); letter-spacing: 0; text-align: left; text-transform: none; transform: translateX(calc(-50% + var(--shift, 0px))); pointer-events: none; }
.term:focus .term__tip { display: block; }
@media (hover: hover) { .term:hover .term__tip { display: block; } }
/* Explainer words sit in running text; widen the tap area on touch screens without moving the text. */
@media (pointer: coarse) { .term::after { content: ''; position: absolute; inset: -12px -4px; } }

/* Label row filter on the lab case study. */
.rowfilter { display: inline-flex; gap: 4px; margin-bottom: 14px; padding: 3px; border-radius: 10px; background: var(--fill-strong); }
.rowfilter[hidden] { display: none; }
.rowfilter button { min-height: 32px; padding: 0 12px; border: 0; border-radius: 8px; background: none; color: var(--slate); font: 500 13px/1 var(--sans); cursor: pointer; }
.rowfilter button[aria-pressed='true'] { background: var(--bg); color: var(--brand); box-shadow: 0 1px 3px rgba(17, 17, 17, 0.12); }

@media (max-width: 1100px) {
  .steps--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .steps--5 { grid-template-columns: 1fr; }
  .switch__tabs { display: flex; }
  .switch__tabs button { flex: 1; padding: 0 8px; font-size: 13px; white-space: normal; }
}