/* worker.ai platform page (version 52): six parts of running a company, with the Worker tools under each part.
   Flat cards, 1px borders, no shadows. Dashed card: no separate Worker tool for that part. */
.pf-stage { align-items: end; }
.pf-board { min-width: 0; text-align: left; }

.pf-key { list-style: none; margin: 0 0 18px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13px; color: var(--muted); }
.pf-key li { display: inline-flex; align-items: center; gap: 8px; }
.pf-key .sw { width: 22px; height: 14px; border-radius: 4px; background: var(--white); border: 1px solid var(--hair); flex: none; }
.pf-key .sw.dash { border: 1.5px dashed #5A5A5A; background: var(--color-off-white); }
.pf-key .sw.ai { width: 10px; height: 10px; border: 0; border-radius: 50%; background: var(--blue); }

.pf-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) { .pf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .pf-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; } }

.pf-part { position: relative; min-width: 0; display: flex; flex-direction: column; padding: 22px 22px 20px; background: var(--white); border: 1px solid var(--hair); border-radius: var(--radius-xl); scroll-margin-top: 96px; transition: border-color 200ms ease, background-color 200ms ease; }
.pf-part.open { background: var(--color-off-white); border: 1.5px dashed #5A5A5A; padding: 21.5px 21.5px 19.5px; }
.pf-part:target { border-color: var(--blue); }
.pf-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin: 0 0 10px; }
.pf-num { display: block; font: 700 54px/0.8 var(--font-display); letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 1.5px var(--blue); }
.pf-part.open .pf-num { -webkit-text-stroke-color: #5A5A5A; }
.pf-part h2 { font: 700 clamp(22px, 2.2vw, 26px)/1.15 var(--font-display); letter-spacing: -0.01em; margin: 0; color: var(--ink); }
.pf-what { margin: 0 0 18px; color: var(--muted); font-size: 15px; line-height: 1.45; }
.pf-in { margin: 0 0 8px; padding-top: 14px; border-top: 1px solid var(--hair); font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.pf-part.open .pf-in { border-top-color: #DAD4ED; }
.pf-tools { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 6px; }
.pf-tool { display: block; padding: 8px 10px; margin: 0 -10px; border-radius: var(--radius-md); color: var(--ink); text-decoration: none; }
.pf-tool b { display: flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 600; line-height: 1.3; }
.pf-tool b svg { width: 14px; height: 14px; flex: none; color: var(--blue); transition: transform 200ms ease; }
.pf-tool small { display: block; margin-top: 2px; font-size: 13.5px; line-height: 1.4; color: var(--muted); }
a.pf-tool:hover, a.pf-tool:focus-visible { background: #EDEAFE; text-decoration: none; }
a.pf-tool:hover b, a.pf-tool:focus-visible b { color: var(--blue); }
a.pf-tool:hover b svg { transform: translateX(3px); }
.pf-aitag { display: flex; align-items: center; gap: 8px; margin: auto 0 0; padding: 7px 10px; border-radius: var(--radius-md); background: #EDEAFE; font-size: 13px; font-weight: 500; line-height: 1.35; color: var(--ink); transition: background-color 200ms ease, color 200ms ease; }
.pf-aitag .dot, .pf-ai .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); flex: none; }

.pf-ai { margin-top: 14px; display: grid; gap: 14px 24px; align-items: center; padding: 20px 22px; border: 1px solid var(--hair); border-radius: var(--radius-xl); background: var(--white); }
@media (min-width: 900px) { .pf-ai { grid-template-columns: minmax(0, 15em) minmax(0, 1fr) auto; } }
.pf-ai-k { display: flex; align-items: center; gap: 8px; margin: 0; font: 700 20px/1.2 var(--font-display); color: var(--ink); }
.pf-ai-t { margin: 4px 0 0; font-size: 13px; color: var(--muted); }
.pf-ai > p { margin: 0; font-size: 15px; line-height: 1.5; color: var(--ink); }
.pf-ai .fb-btn { justify-self: start; }

/* point at the AI workers band and the three parts it helps light up (browsers with :has) */
.pf-board:has(.pf-ai:hover) .pf-part[data-ai="1"], .pf-board:has(.pf-ai:focus-within) .pf-part[data-ai="1"] { border-color: var(--blue); }
.pf-board:has(.pf-ai:hover) .pf-part[data-ai="1"] .pf-aitag, .pf-board:has(.pf-ai:focus-within) .pf-part[data-ai="1"] .pf-aitag { background: var(--blue); color: var(--white); }
.pf-board:has(.pf-ai:hover) .pf-part[data-ai="1"] .pf-aitag .dot, .pf-board:has(.pf-ai:focus-within) .pf-part[data-ai="1"] .pf-aitag .dot { background: var(--white); }
.pf-board:has(.pf-ai:hover) .pf-ai, .pf-board:has(.pf-ai:focus-within) .pf-ai { border-color: var(--blue); }

/* parts below the fold fade in once (platform.js); parts on screen at load never move */
.pf-rv { opacity: 0; transform: translateY(14px); transition: opacity 520ms ease, transform 520ms ease; transition-delay: calc(var(--i, 0) * 90ms); }
.pf-rv.in { opacity: 1; transform: none; }

.pf .vh { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

@media (max-width: 899px) { .pf-stage { margin-top: var(--space-10); } }
@media (prefers-reduced-motion: reduce) {
  .pf-part, .pf-aitag, .pf-tool b svg { transition: none; }
  .pf-rv { opacity: 1; transform: none; transition: none; }
}