/* ------------------------------------------------------------------
   /ai/ — „Agentic engineering: the flow”. Tokeny, nav, przyciski, .reveal → ../css/style.css
   Symulacje: elementy startują w stanie „zero”; GSAP (ai.js) animuje je w pętli.
   html.rm (prefers-reduced-motion): stany końcowe ustawione tutaj, bez animacji.
------------------------------------------------------------------ */
.ai-page { overflow-x: clip; }
:root { --ok: #16a34a; --bad: #dc2626; --cyan: #06b6d4; --violet: #8b5cf6; --amber: #d97706; }
:root[data-theme="dark"] { --ok: #34d399; --bad: #f87171; --cyan: #22d3ee; --violet: #a78bfa; --amber: #fbbf24; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --ok: #34d399; --bad: #f87171; --cyan: #22d3ee; --violet: #a78bfa; --amber: #fbbf24; } }

/* ---------- Hero ---------- */
.ai-hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.ai-hero__scene { position: absolute; inset: 0; pointer-events: none; }
.ai-hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
@media (min-width: 900px) {
  /* lewa strona (pod tekstem) wygaszona, żeby nagłówek był czytelny */
  .ai-hero__canvas { -webkit-mask-image: linear-gradient(90deg, transparent 0, rgba(0,0,0,.35) 30%, #000 55%); mask-image: linear-gradient(90deg, transparent 0, rgba(0,0,0,.35) 30%, #000 55%); }
}
@media (max-width: 899px) {
  /* mobile: graf w górnym pasie (48vh), tekst poniżej */
  .ai-hero__scene { bottom: auto; height: 46vh; }
  .ai-hero__canvas { -webkit-mask-image: linear-gradient(180deg, #000 0, #000 70%, transparent 100%); mask-image: linear-gradient(180deg, #000 0, #000 70%, transparent 100%); }
  .ai-hero .ai-hero__inner { padding-top: 40vh; }   /* silniejszy selektor: reguła bazowa jest niżej w pliku */
  .ai-hero__fallback { right: auto; left: 50%; top: 52%; width: 70vw; transform: translate(-50%, -50%); }
  .agents__wires { display: none; }
}
.ai-hero__fallback { display: none; position: absolute; right: -8%; top: 50%; width: min(70vw, 620px); transform: translateY(-50%); opacity: .55; }
.ai-hero.is-fallback .ai-hero__canvas { display: none; }
.ai-hero.is-fallback .ai-hero__fallback { display: block; }
.ai-hero__inner { position: relative; padding-top: 110px; padding-bottom: 96px; }
.ai-hero__title { font-size: clamp(38px, 6.6vw, 76px); font-weight: 800; letter-spacing: -0.04em; line-height: 1.02; margin: 20px 0 24px; display: grid; max-width: 820px; }
.ai-hero__line { display: block; }
.ai-hero__line--accent { color: transparent; background: linear-gradient(90deg, var(--accent), var(--cyan) 60%, var(--violet)); -webkit-background-clip: text; background-clip: text; }
.ai-hero__lead { max-width: 640px; font-size: clamp(17px, 2.1vw, 19px); line-height: 1.55; color: var(--text-muted); margin-bottom: 32px; }
.flowline { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 44px; counter-reset: fl; max-width: 720px; }
.flowline li { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); padding: 6px 10px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-elev); position: relative; }
.flowline li::before { counter-increment: fl; content: counter(fl, decimal-leading-zero) " "; color: var(--accent); }
.ai-hero__scroll { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.ai-hero__scroll .icon { animation: bob 1.6s var(--ease) infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }

/* ---------- Sceny ---------- */
.scene { padding: 88px 0; }
.scene__grid { display: grid; grid-template-columns: 1fr; gap: 36px; align-items: center; }
.scene__text { max-width: 560px; }
.scene__text--center { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.scene__index { font-family: var(--font-mono); font-size: 13px; color: var(--accent); display: block; margin-bottom: 12px; }
.scene__text h2 { font-size: clamp(27px, 4vw, 42px); letter-spacing: -0.03em; margin-bottom: 16px; }
.scene__lead { font-size: clamp(16px, 1.85vw, 18px); color: var(--text-muted); line-height: 1.6; }
.scene__lead em { font-style: normal; color: var(--text); font-weight: 500; }
.scene__note { margin-top: 14px; font-size: 14px; color: var(--text-faint); padding-left: 12px; border-left: 2px solid var(--accent); }

.sim {
  position: relative; min-width: 0;
  padding: 22px; border-radius: 18px;
  background: var(--bg-elev); border: 1px solid var(--border); box-shadow: var(--shadow);
  display: grid; gap: 16px;
}
.sim::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: var(--glow); opacity: .5; pointer-events: none; }
.sim > * { position: relative; }
.mono { font-family: var(--font-mono); }

/* ---------- 1. Intent ---------- */
.chat { display: grid; gap: 10px; }
.msg { max-width: 88%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.45; opacity: 0; transform: translateY(8px); }
.msg__who { display: block; font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); margin-bottom: 2px; }
.msg--human { justify-self: end; background: var(--accent); color: var(--accent-contrast); border-bottom-right-radius: 4px; }
.msg--human .msg__who { color: inherit; opacity: .7; }
.msg--agent { justify-self: start; background: var(--bg); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.spec { border: 1px dashed var(--border-strong); border-radius: 12px; padding: 12px 14px; opacity: 0; transform: scale(.97); }
.spec__head { font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ok); margin-bottom: 8px; }
.spec li { position: relative; padding-left: 24px; font-size: 14px; color: var(--text-muted); margin: 4px 0; opacity: 0; transform: translateX(-6px); }
.spec li::before { content: ""; position: absolute; left: 0; top: 4px; width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid var(--ok); }
.spec li.is-done::before { background: var(--ok); }
.spec li.is-done::after { content: ""; position: absolute; left: 4.5px; top: 6px; width: 4px; height: 8px; border: solid var(--accent-contrast); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.rm .msg, .rm .spec, .rm .spec li { opacity: 1; transform: none; }
.rm .spec li::before { background: var(--ok); }

/* ---------- 2. Context ---------- */
.ctx { display: grid; gap: 10px; }
.ctx__label { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.ctx__label b { color: var(--text); }
.ctx__bar { display: flex; height: 44px; border-radius: 10px; background: var(--bg); border: 1px solid var(--border); overflow: hidden; }
.ctx__seg { flex: 0 0 auto; width: 0; }
.ctx__legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }
.ctx__legend li { display: inline-flex; align-items: center; gap: 6px; }
.ctx__legend li::before { content: ""; width: 9px; height: 9px; border-radius: 2px; background: var(--c); }
.ctx__legend .ctx__seg--rules { --c: var(--accent); } .ctx__legend .ctx__seg--memory { --c: var(--violet); } .ctx__legend .ctx__seg--repo { --c: var(--cyan); }
.ctx__legend .ctx__seg--tools { --c: var(--amber); } .ctx__legend .ctx__seg--task { --c: #64748b; } .ctx__legend .ctx__seg--conv { --c: #94a3b8; } .ctx__legend .ctx__seg--summary { --c: var(--ok); }
.ctx__bar .ctx__seg--rules { background: var(--accent); }
.ctx__bar .ctx__seg--memory { background: var(--violet); }
.ctx__bar .ctx__seg--repo { background: var(--cyan); }
.ctx__bar .ctx__seg--tools { background: var(--amber); }
.ctx__bar .ctx__seg--task { background: #64748b; }
.ctx__bar .ctx__seg--conv { background: repeating-linear-gradient(135deg, #94a3b8 0 6px, #64748b 6px 12px); }
.ctx__bar .ctx__seg--summary { background: var(--ok); }
.ctx__status { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); min-height: 1.4em; }
.ctx__sources { display: grid; gap: 6px; }
.ctx__sources li { display: flex; gap: 10px; align-items: baseline; font-size: 13px; color: var(--text-muted); padding: 8px 10px; border-radius: 8px; background: var(--bg); border: 1px solid var(--border); opacity: .55; }
.ctx__sources li b { font-family: var(--font-mono); font-size: 12px; color: var(--text); font-weight: 500; }
.ctx__sources li.is-on { opacity: 1; border-color: var(--accent); }
.rm .ctx__bar .ctx__seg--rules { width: 12%; } .rm .ctx__bar .ctx__seg--memory { width: 10%; } .rm .ctx__bar .ctx__seg--repo { width: 16%; } .rm .ctx__bar .ctx__seg--tools { width: 8%; } .rm .ctx__bar .ctx__seg--task { width: 18%; } .rm .ctx__bar .ctx__seg--summary { width: 14%; }
.rm .ctx__sources li { opacity: 1; }

/* ---------- 3. Plan & gate ---------- */
.plan { border-radius: 12px; background: var(--bg); border: 1px solid var(--border); padding: 12px 14px; }
.plan__head { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.plan__badge { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); font-weight: 400; }
.plan__items { counter-reset: p; display: grid; gap: 5px; }
.plan__items li { position: relative; padding-left: 26px; font-size: 14px; color: var(--text-muted); overflow: hidden; }
.plan__items li::before { counter-increment: p; content: counter(p); position: absolute; left: 0; top: 1px; width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-mono); font-size: 11px; background: var(--accent-soft); color: var(--accent); }
.plan__items li { clip-path: inset(0 100% 0 0); }
.gatebox { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding: 10px 6px; }
.gatebox__human { position: relative; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--bg); border: 1px solid var(--border-strong); color: var(--text-muted); }
.gatebox__human svg { width: 22px; height: 22px; }
.gatebox__stamp { position: absolute; left: 50%; top: -14px; transform: translate(-50%, 0) rotate(-6deg) scale(0); font-family: var(--font-mono); font-size: 11px; color: var(--ok); border: 1.5px solid var(--ok); border-radius: 5px; padding: 2px 6px; background: var(--bg-elev); white-space: nowrap; }
.gatebox__track { position: relative; height: 40px; }
.gatebox__track::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: var(--border-strong); }
.gatebox__bar { position: absolute; left: 30%; top: 6px; bottom: 6px; width: 4px; border-radius: 2px; background: var(--text); transform-origin: top center; }
.gatebox__track i { position: absolute; top: 50%; left: 0; width: 10px; height: 10px; margin-top: -5px; border-radius: 50%; background: var(--accent); opacity: 0; }
.gatebox__end { font-family: var(--font-mono); font-size: 12px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border-strong); color: var(--text-muted); }
.rm .plan__items li { clip-path: none; }
.rm .gatebox__stamp { transform: translate(-50%, 0) rotate(-6deg) scale(1); }
.rm .gatebox__bar { transform: rotate(-80deg); }
.rm .gatebox__track i { opacity: 1; left: 60%; }

/* ---------- 4. Orchestrator ---------- */
.sim--agents { gap: 0; }
.orch { justify-self: center; text-align: center; padding: 10px 18px; border-radius: 12px; background: var(--accent); color: var(--accent-contrast); display: grid; gap: 2px; font-weight: 600; font-size: 14px; }
.orch small { font-family: var(--font-mono); font-size: 11px; opacity: .8; font-weight: 400; }
.agents__wires { width: 100%; height: 70px; display: block; }
.agents__wires path { fill: none; stroke: var(--border-strong); stroke-width: 1.5; }
.agents__wires .pkt { fill: var(--accent); opacity: 0; }
.workers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.worker { display: grid; gap: 6px; padding: 10px 8px; border-radius: 10px; background: var(--bg); border: 1px solid var(--border); font-size: 12px; text-align: center; min-width: 0; }
.worker b { font-weight: 600; }
.worker .bar { height: 5px; border-radius: 3px; background: var(--border); overflow: hidden; }
.worker .bar i { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 3px; }
.worker .result { font-style: normal; font-family: var(--font-mono); font-size: 11px; color: var(--ok); opacity: 0; line-height: 1.3; }
.merge { margin-top: 14px; justify-self: center; font-family: var(--font-mono); font-size: 12px; color: var(--ok); border: 1px solid var(--ok); border-radius: 999px; padding: 6px 12px; opacity: 0; transform: translateY(6px); }
.rm .worker .bar i { width: 100%; } .rm .worker .result, .rm .merge { opacity: 1; transform: none; }

/* ---------- 5. Tools ---------- */
.sim--tools { gap: 8px; }
.bus__titles { display: grid; grid-template-columns: 64px 1fr 64px; gap: 10px; font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); text-align: center; }
.bus { display: grid; grid-template-columns: 64px 1fr 64px; gap: 10px; align-items: stretch; }
.bus__col { display: grid; grid-auto-rows: 34px; gap: 10px; justify-items: center; align-items: center; align-content: start; }
.bus__col--agent { align-content: center; }
.bus__node { width: 34px; height: 34px; border-radius: 10px; background: var(--accent); box-shadow: 0 0 0 0 var(--accent-soft); }
.bus__node--tool { width: 22px; height: 22px; border-radius: 6px; background: var(--cyan); opacity: .6; }
.bus__node--tool.is-hot { opacity: 1; box-shadow: 0 0 0 6px rgba(34, 211, 238, .18); }
.bus__lanes { display: grid; gap: 10px; align-content: start; }
.lane { position: relative; height: 34px; border-radius: 8px; background: var(--bg); border: 1px dashed var(--border); overflow: hidden; }
.lane .call, .lane .resp { position: absolute; top: 50%; transform: translateY(-50%); font-family: var(--font-mono); font-size: 11px; padding: 4px 8px; border-radius: 6px; white-space: nowrap; }
.lane .call { left: 6px; background: var(--accent-soft); color: var(--accent); opacity: 0; }
.lane .resp { right: 6px; background: var(--bg-elev); border: 1px solid var(--border-strong); color: var(--text-muted); opacity: 0; }
.lane .resp--ok { color: var(--ok); border-color: var(--ok); }
.rm .lane .call, .rm .lane .resp { opacity: 1; } .rm .bus__node--tool { opacity: 1; }

/* ---------- 6. Verification ring ---------- */
.sim--verify { justify-items: center; }
.ring { width: min(100%, 280px); height: auto; overflow: visible; }
.ring__track { fill: none; stroke: var(--border); stroke-width: 6; }
.ring__progress { fill: none; stroke: var(--accent); stroke-width: 6; stroke-linecap: round; stroke-dasharray: 691; stroke-dashoffset: 691; transform: rotate(-90deg); transform-origin: 160px 160px; }
.ring__node circle { fill: var(--bg); stroke: var(--border-strong); stroke-width: 2; }
.ring__node text { text-anchor: middle; dominant-baseline: central; font-family: var(--font-mono); font-size: 11px; fill: var(--text-muted); }
.ring__node.is-on circle { stroke: var(--accent); fill: var(--accent-soft); }
.ring__node.is-bad circle { stroke: var(--bad); fill: rgba(220, 38, 38, .12); }
.ring__node.is-ok circle { stroke: var(--ok); fill: rgba(22, 163, 74, .12); }
.ring__dot { fill: var(--accent); }
.ring__center { text-anchor: middle; font-family: var(--font-mono); font-size: 14px; fill: var(--text); font-weight: 500; }
.ring__center--sub { font-size: 11px; fill: var(--text-muted); font-weight: 400; }
.verdicts { display: grid; gap: 8px; width: 100%; }
.verdict { display: flex; gap: 10px; align-items: baseline; padding: 8px 12px; border-radius: 8px; font-size: 13px; color: var(--text-muted); border: 1px solid var(--border); background: var(--bg); opacity: .35; }
.verdict b { font-family: var(--font-mono); font-size: 12px; }
.verdict--fail b { color: var(--bad); } .verdict--pass b { color: var(--ok); }
.verdict.is-on { opacity: 1; }
.verdict--fail.is-on { border-color: var(--bad); } .verdict--pass.is-on { border-color: var(--ok); }
.rm .ring__progress { stroke-dashoffset: 0; stroke: var(--ok); } .rm .verdict { opacity: 1; } .rm .verdict--pass { border-color: var(--ok); }

/* ---------- 7. Review ---------- */
.diff { display: grid; gap: 10px; }
.diff__head { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); }
.diff__body { margin: 0; padding: 10px 12px; border-radius: 10px; background: #0f1117; color: #c9ccd6; font-family: var(--font-mono); font-size: 12px; line-height: 1.55; overflow-x: auto; }
.diff__body .l { display: block; padding: 0 6px; border-radius: 4px; white-space: pre; }
.diff__body .add { background: rgba(52, 211, 153, .12); color: #a7f3d0; }
.diff__body .l.is-flag { background: rgba(251, 191, 36, .22); }
.diff__body .l.is-fixed { background: rgba(52, 211, 153, .28); }
.comment { display: grid; gap: 2px; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); font-size: 13px; color: var(--text-muted); opacity: 0; transform: translateX(10px); border-left: 3px solid var(--amber); }
.comment b { font-family: var(--font-mono); font-size: 11px; color: var(--amber); font-weight: 500; }
.comment.is-done { border-left-color: var(--ok); }
.comment.is-done b { color: var(--ok); }
.comment.is-done b::after { content: " · fixed"; }
html[lang="pl"] .comment.is-done b::after { content: " · poprawione"; }
.comment--3 { border-left-color: var(--ok); } .comment--3 b { color: var(--ok); }
.diff__verdict { font-family: var(--font-mono); font-size: 12px; color: var(--ok); opacity: 0; }
.rm .comment, .rm .diff__verdict { opacity: 1; transform: none; }
.rm .comment--1, .rm .comment--2 { border-left-color: var(--ok); }

/* ---------- 8. Ship ---------- */
.pipe { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.stage { position: relative; text-align: center; padding: 12px 6px; border-radius: 10px; background: var(--bg); border: 1px solid var(--border); font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.stage::after { content: "✓"; position: absolute; right: 6px; top: 4px; font-size: 11px; color: var(--ok); opacity: 0; }
.stage.is-run { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 4px var(--accent-soft); }
.stage.is-done { border-color: var(--ok); color: var(--text); box-shadow: none; }
.stage.is-done::after { opacity: 1; }
.feedback { width: 100%; height: 44px; display: block; margin: -2px 0; }
.feedback path { fill: none; stroke: var(--border-strong); stroke-width: 1.5; stroke-dasharray: 5 6; }
.feedback .pkt { fill: var(--violet); opacity: 0; }
.backlog { display: grid; gap: 6px; padding: 10px 12px; border-radius: 12px; background: var(--bg); border: 1px solid var(--border); }
.backlog__head { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); }
.ticket { font-size: 13px; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text-muted); }
.ticket--old { text-decoration: line-through; opacity: .6; }
.ticket--new { border-color: var(--violet); color: var(--text); opacity: 0; transform: translateY(-6px); }
.rm .stage { border-color: var(--ok); } .rm .stage::after { opacity: 1; } .rm .ticket--new { opacity: 1; transform: none; }

/* ---------- 9. Principles ---------- */
.principles { display: grid; gap: 12px; max-width: 900px; margin: 0 auto; counter-reset: pr; }
.principle { display: grid; grid-template-columns: 40px 1fr; gap: 2px 14px; align-items: baseline; padding: 18px 20px; border-radius: var(--radius); background: var(--bg-elev); border: 1px solid var(--border); box-shadow: var(--shadow); }
.principle::before { counter-increment: pr; content: "0" counter(pr); grid-row: 1 / 3; font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.principle b { font-size: 16px; letter-spacing: -0.01em; }
.principle span { color: var(--text-muted); font-size: 14px; }

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .principles { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .scene { padding: 112px 0; }
  .scene__grid { grid-template-columns: 5fr 6fr; gap: 64px; }
  .scene__grid--reverse .scene__text { order: 2; }
  .scene__grid--reverse .sim { order: 1; }
  .ai-hero__inner { padding-top: 120px; }
}
@media (max-width: 480px) {
  .workers { grid-template-columns: 1fr 1fr; }
  .pipe { grid-template-columns: 1fr 1fr; }
  .bus, .bus__titles { grid-template-columns: 48px 1fr 48px; }
  .lane .call, .lane .resp { font-size: 10px; padding: 3px 6px; }
}