/* ============================================================
   Pipeline — catálogo de composição de skills
   Sem dependências externas. Fontes do sistema.
   ============================================================ */

:root {
  --container: 1140px;
  --gutter: clamp(20px, 5vw, 48px);

  --font-sans: "Inter", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "Cascadia Mono", ui-monospace, "SF Mono", Consolas, monospace;

  --step--1: 0.8125rem;
  --step-0: 0.9375rem;
  --step-1: 1.0625rem;
  --step-2: clamp(1.25rem, 1.6vw, 1.4375rem);
  --step-3: clamp(1.75rem, 3.2vw, 2.5rem);
  --step-4: clamp(2.4rem, 6vw, 4.6rem);

  --ease: cubic-bezier(0.22, 0.8, 0.24, 1);
  --radius: 3px;

  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.22'/%3E%3C/svg%3E");
}

[data-theme="dark"] {
  --bg: #0a0b0c;
  --bg-elev: #101214;
  --bg-elev-2: #171a1d;
  --line: #202428;
  --line-strong: #2f353b;
  --text: #eceef0;
  --text-dim: #9aa2ab;
  --text-faint: #6a727b;
  --accent: #ff6a3d;
  --accent-ink: #0a0b0c;
  --accent-soft: rgba(255, 106, 61, 0.12);
  --ok: #57c98a;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.9);
  --grid-line: rgba(255, 255, 255, 0.045);
  --scrim: rgba(10, 11, 12, 0.86);
}

[data-theme="light"] {
  --bg: #f6f5f2;
  --bg-elev: #fffefc;
  --bg-elev-2: #efede8;
  --line: #e3dfd8;
  --line-strong: #cdc7be;
  --text: #14171b;
  --text-dim: #5a616a;
  --text-faint: #868d95;
  --accent: #bc401d;
  --accent-ink: #fffefc;
  --accent-soft: rgba(188, 64, 29, 0.09);
  --ok: #1c7a4f;
  --shadow: 0 18px 40px -28px rgba(30, 26, 22, 0.35);
  --grid-line: rgba(20, 23, 27, 0.055);
  --scrim: rgba(246, 245, 242, 0.88);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image: var(--noise);
  background-blend-mode: overlay;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-synthesis-weight: none;
}

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

code, kbd, pre, .mono { font-family: var(--font-mono); }

code {
  font-size: 0.9em;
  color: var(--text);
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.1em 0.38em;
  white-space: nowrap;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 680;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}

p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--text);
  color: var(--bg);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
}
.skip-link:focus { left: 16px; top: 16px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- primitivos de texto ---------- */

.label,
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.label-idx {
  font-variant-numeric: tabular-nums;
  color: var(--text-faint);
}

.label-idx::after {
  content: " /";
  opacity: 0.55;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--scrim);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 62px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
}

.brand-mark {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex: none;
}

.brand-word {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.site-nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--text-dim);
}

.site-nav a {
  position: relative;
  padding-block: 4px;
  transition: color 0.18s var(--ease);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s var(--ease);
}

.site-nav a:hover { color: var(--text); }
.site-nav a:hover::after { transform: scaleX(1); }

.theme-toggle {
  flex: none;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-dim);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.theme-toggle:hover { color: var(--text); border-color: var(--line-strong); }
.theme-toggle svg { width: 15px; height: 15px; }
[data-theme="dark"] .icon-sun,
[data-theme="light"] .icon-moon { display: none; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(120% 90% at 30% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 30% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  padding-block: clamp(64px, 11vw, 118px) clamp(56px, 8vw, 84px);
}

.hero-title {
  margin-top: 26px;
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.048em;
}

.hero-title-dim { color: var(--text-faint); }

.hero-lede {
  margin-top: 26px;
  max-width: 60ch;
  font-size: var(--step-1);
  line-height: 1.62;
  color: var(--text-dim);
  text-wrap: pretty;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 44px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  max-width: 560px;
}

.hero-stats div {
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
}

.hero-stats dt {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.hero-stats dd {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* ---------- destaque: cadeia ---------- */

.featured {
  border-bottom: 1px solid var(--line);
  padding-block: 40px 34px;
  background: var(--bg-elev);
}

.featured-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.featured-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  transition: color 0.18s var(--ease);
}
.featured-link span { color: var(--accent); }
.featured-link:hover { color: var(--text); }

.chain-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  padding-bottom: 4px;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
}

.chain-scroll.is-overflowing {
  -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 64px), transparent 100%);
  mask-image: linear-gradient(to right, #000 calc(100% - 64px), transparent 100%);
}

.chain {
  display: flex;
  align-items: stretch;
  gap: 6px;
  min-width: min-content;
}

.node {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: none;
  padding: 9px 12px 9px 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.node:hover { border-color: var(--accent); transform: translateY(-1px); }

.node-num {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
  padding-right: 1px;
}

.node-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text);
  white-space: nowrap;
}

.chain-lg .node { padding: 9px 11px 9px 10px; gap: 7px; }
.chain-lg .node-name { font-size: 0.6875rem; }
.chain-lg .node-num { font-size: 0.5625rem; }

.chain-arrow {
  display: grid;
  place-items: center;
  color: var(--text-faint);
  font-size: 0.625rem;
  flex: none;
  opacity: 0.75;
}

.featured-foot {
  margin-top: 16px;
  font-size: var(--step--1);
  color: var(--text-faint);
}

/* ---------- seções ---------- */

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.section-head h2 {
  margin-top: 10px;
  font-size: var(--step-3);
}

.section-aside {
  max-width: 34ch;
  font-size: var(--step--1);
  color: var(--text-dim);
  padding-bottom: 4px;
}

/* ---------- catálogo ---------- */

.catalog {
  padding-block: clamp(56px, 8vw, 88px);
  border-bottom: 1px solid var(--line);
}

.filterbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 10px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.chip:hover { color: var(--text); border-color: var(--line-strong); }

.chip[aria-pressed="true"] {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.search {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 260px;
  flex: 0 1 320px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  transition: border-color 0.18s var(--ease);
}

.search:focus-within { border-color: var(--line-strong); }

.search svg {
  width: 14px;
  height: 14px;
  margin-left: 11px;
  color: var(--text-faint);
  flex: none;
}

.search input {
  width: 100%;
  border: 0;
  background: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 9px 8px;
  outline: none;
}

.search input::placeholder { color: var(--text-faint); }
.search input::-webkit-search-cancel-button { display: none; }

.search-kbd {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-faint);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1px 5px;
  margin-right: 8px;
  flex: none;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

/* ---------- card ---------- */

.card {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 0 18px;
  padding: 20px 22px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  opacity: 0;
  translate: 0 14px;
  transition:
    opacity 0.55s var(--ease),
    translate 0.55s var(--ease),
    border-color 0.2s var(--ease),
    transform 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.card.is-in {
  opacity: 1;
  translate: 0 0;
}

.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 3px 7px;
  white-space: nowrap;
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.card-title {
  font-size: var(--step-2);
  letter-spacing: -0.028em;
}

.card-title a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.card-statement {
  max-width: 78ch;
  color: var(--text-dim);
  font-size: var(--step--1);
  line-height: 1.55;
  text-wrap: pretty;
}

.card-index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
  padding-top: 3px;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.card-chain {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.85;
  color: var(--text-dim);
  word-break: break-word;
}

.c-skill { color: var(--text); }

.c-arrow {
  color: var(--text-faint);
  padding: 0 5px;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.card-count {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
}

.copy-btn {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  border: 1px solid transparent;
  border-radius: 2px;
  padding: 3px 7px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--bg-elev-2);
}

.empty {
  margin-top: 30px;
  color: var(--text-dim);
  font-size: var(--step--1);
}

/* ---------- princípios ---------- */

.principles {
  padding-block: clamp(56px, 8vw, 88px);
  border-bottom: 1px solid var(--line);
}

.contrast {
  display: grid;
  grid-template-columns: 1fr 48px 1fr;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  margin-bottom: 44px;
}

.contrast-col { padding: 22px 24px 24px; }

.contrast-arrow {
  display: grid;
  place-items: center;
  color: var(--accent);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-size: 0.9rem;
}

.contrast-lead {
  margin-top: 10px;
  font-size: var(--step-2);
  font-weight: 640;
  letter-spacing: -0.025em;
}

.contrast-body {
  margin-top: 8px;
  max-width: 42ch;
  font-size: var(--step--1);
  color: var(--text-dim);
}

.rules {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.rule {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.rule-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  padding-top: 6px;
  font-variant-numeric: tabular-nums;
}

.rule h3 {
  font-size: var(--step-2);
  margin-bottom: 8px;
}

.rule p {
  max-width: 72ch;
  color: var(--text-dim);
  font-size: var(--step--1);
  line-height: 1.7;
}

.rule code { white-space: normal; }

.callout {
  margin-top: 36px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--bg-elev);
}

.callout p:last-child {
  margin-top: 8px;
  max-width: 78ch;
  color: var(--text-dim);
  font-size: var(--step--1);
}

/* ---------- detalhe ---------- */

#view-detail { animation: rise 0.32s var(--ease) both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.detail { padding-block: 36px clamp(64px, 9vw, 100px); }

.back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 32px;
  transition: color 0.18s var(--ease);
}
.back:hover { color: var(--text); }

.detail-head { display: flex; flex-direction: column; gap: 16px; }

.detail-head .card-top {
  justify-content: flex-start;
  gap: 14px;
}

.detail-title {
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.detail-statement {
  max-width: 62ch;
  font-size: var(--step-1);
  line-height: 1.6;
  color: var(--text-dim);
  text-wrap: pretty;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--text);
  background: var(--bg-elev);
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.btn:hover { background: var(--bg-elev-2); border-color: var(--text-faint); }

.btn-primary {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}
.btn-primary:hover { background: var(--text-dim); border-color: var(--text-dim); color: var(--bg); }

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.detail-chain {
  margin-top: 24px;
  margin-bottom: 28px;
}

.panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 52px;
}

.panel {
  padding: 20px 22px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.panel h2 { margin-bottom: 14px; }

.panel li {
  position: relative;
  padding-left: 18px;
  font-size: var(--step--1);
  line-height: 1.6;
  color: var(--text-dim);
}

.panel li + li { margin-top: 10px; }

.panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 1px;
  background: var(--text-faint);
}

.panel-outcome {
  border-color: var(--line-strong);
  background: var(--bg-elev-2);
}

.outcome-text {
  max-width: 46ch;
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--text);
}

/* estágios */

.stages-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}

.stages-head h2 { font-size: var(--step-2); }

.stages { position: relative; }

.stage {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.stage:last-child { border-bottom: 0; }

.stage-rail {
  position: relative;
  display: flex;
  justify-content: flex-start;
  padding-top: 2px;
}

.stage-rail span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  background: var(--bg);
  position: relative;
  z-index: 1;
}

.stage-body { min-width: 0; }

.stage-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 10px;
}

.stage-role {
  font-size: 1.0625rem;
  font-weight: 620;
  letter-spacing: -0.02em;
}

.skill-chip {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  border-left: 2px solid var(--accent);
  border-radius: 2px;
  padding: 2px 7px;
  background: var(--accent-soft);
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.16s var(--ease), color 0.16s var(--ease);
}

.skill-chip:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.stage-what {
  max-width: 74ch;
  color: var(--text-dim);
  font-size: var(--step--1);
  line-height: 1.7;
}

.stage-facts {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.stage-fact {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  align-items: baseline;
}

.stage-fact dt {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.stage-fact dd {
  font-size: var(--step--1);
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 84ch;
}

.stage-fact[data-kind="gate"] dd {
  color: var(--text);
  display: flex;
  gap: 8px;
}

.stage-fact[data-kind="gate"] dd::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ok);
  margin-top: 0.6em;
}

.note-box {
  margin-top: 40px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  font-size: var(--step--1);
  color: var(--text-dim);
  line-height: 1.65;
}

.note-box .label { display: block; margin-bottom: 7px; }

.related {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 10px;
  margin-top: 14px;
}

.related-card {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.related-card:hover { border-color: var(--line-strong); transform: translateY(-1px); }

.related-card strong {
  display: block;
  font-size: var(--step-0);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 3px;
}

.related-card span {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
}

/* ---------- footer, toast, noscript ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 46px 26px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
}

.footer-meta { color: var(--text-faint); }
.footer-meta a { color: var(--text-dim); text-decoration: underline; text-underline-offset: 3px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 60;
  transform: translate(-50%, 14px);
  opacity: 0;
  pointer-events: none;
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 9px 16px;
  border-radius: var(--radius);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  max-width: calc(100vw - 40px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.noscript { padding-block: 40px; color: var(--text-dim); }
.noscript a { color: var(--accent); text-decoration: underline; }

/* ---------- refinamentos ---------- */

.precondition {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  margin-top: 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--accent-soft);
  font-size: var(--step--1);
  line-height: 1.55;
  color: var(--text-dim);
}

.precondition-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.detail-bar {
  position: fixed;
  top: 62px;
  left: 0;
  right: 0;
  z-index: 35;
  border-bottom: 1px solid var(--line);
  background: var(--scrim);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
}

.detail-bar.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.detail-bar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 50px;
}

.detail-bar-name {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.detail-bar-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
  white-space: nowrap;
}

.detail-bar .btn { margin-left: auto; flex: none; }

.btn-sm { padding: 6px 11px; font-size: 0.6875rem; }

.link-btn {
  font-family: var(--font-mono);
  font-size: inherit;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.link-btn:hover { color: var(--text); }

.copy-btn.is-copied,
.skill-chip.is-copied,
.btn.is-copied {
  color: var(--ok);
  border-color: var(--ok);
  background: var(--bg-elev);
}

.stage { transition: background 0.2s var(--ease); }
.stage:hover .stage-rail span {
  border-color: var(--accent);
  color: var(--accent);
}

html { scrollbar-color: var(--line-strong) transparent; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 10px;
  border: 3px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ---------- manifesto ---------- */

.creed {
  padding-block: clamp(56px, 8vw, 92px);
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
}

.creed-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.88fr);
  gap: 20px 64px;
  align-items: start;
}

.creed-left h2 {
  margin-top: 14px;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.creed-right {
  padding-top: 32px;
  padding-bottom: 4px;
}

.creed-body {
  max-width: 48ch;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--text-dim);
  text-wrap: pretty;
}

.creed-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.creed-list li + li::before {
  content: "/";
  margin: 0 14px;
  color: var(--accent);
  opacity: 0.7;
}

/* ---------- detalhe: MCPs e trilho ---------- */

.mcps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 34px;
}

.mcp {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 3px 8px;
  background: var(--bg-elev);
}

.stages::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 40px;
  bottom: 40px;
  width: 1px;
  background: var(--line);
}

/* ---------- card: afordância ---------- */

.card-go {
  display: inline-block;
  margin-left: 7px;
  color: var(--text-faint);
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}

.card:hover .card-go {
  transform: translateX(3px);
  color: var(--accent);
}

/* ---------- rodapé ---------- */

.footer-mark {
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 11vw, 7rem);
  line-height: 0.85;
  letter-spacing: -0.055em;
  color: var(--text-faint);
  opacity: 0.26;
  user-select: none;
}

/* ---------- memória ---------- */

.memory {
  padding-block: clamp(56px, 8vw, 88px);
  border-bottom: 1px solid var(--line);
}

.memory-lede {
  max-width: 66ch;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--text-dim);
}

.memory-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.memory-tool {
  padding: 20px 22px 22px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.tool-kind {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.memory-tool h3 {
  font-size: var(--step-2);
  letter-spacing: -0.025em;
}

.memory-tool p {
  margin-top: 10px;
  font-size: var(--step--1);
  line-height: 1.65;
  color: var(--text-dim);
}

.memory-note {
  margin-top: 22px;
  font-size: 0.6875rem;
  line-height: 1.6;
  color: var(--text-faint);
}

/* ---------- origem das skills ---------- */

.origins {
  padding-block: clamp(56px, 8vw, 88px);
  border-bottom: 1px solid var(--line);
}

.origins-cta {
  flex: none;
  align-self: flex-end;
  white-space: nowrap;
}

.origins-lede {
  max-width: 68ch;
  margin-bottom: 34px;
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--text-dim);
}

.origin-list {
  columns: 2;
  column-gap: 56px;
}

.origin {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 2px 14px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  break-inside: avoid;
}

.origin-repo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
  transition: color 0.16s var(--ease), text-decoration-color 0.16s var(--ease);
}

.origin-repo:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.origin-repo.is-unlinked {
  color: var(--text-dim);
  text-decoration: none;
  cursor: default;
}

.origin-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 0;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-faint);
}

.origin-skill + .origin-skill::before {
  content: "·";
  margin: 0 7px;
  color: var(--line-strong);
}

.origins-note {
  max-width: 72ch;
  margin-top: 18px;
  font-size: 0.6875rem;
  line-height: 1.6;
  color: var(--text-faint);
}

.origins-block {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.origins-block .origin-list {
  margin-top: 14px;
}

/* ---------- responsivo ---------- */

@media (max-width: 900px) {
  .section-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .section-aside { max-width: none; }
  .creed-inner { grid-template-columns: 1fr; gap: 20px; align-items: start; }
  .origin-list { columns: 1; }
  .origins-cta { align-self: flex-start; }
  .memory-tools { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-nav { gap: 16px; font-size: 0.6875rem; }
  .site-nav a:nth-child(3) { display: none; }
  .header-inner { gap: 16px; }
  .hero-title { letter-spacing: -0.04em; }
  .hero-stats { gap: 12px 28px; }
  .panels { grid-template-columns: 1fr; }
  .contrast { grid-template-columns: 1fr; }
  .contrast-arrow {
    border: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 6px 0;
    transform: rotate(90deg);
  }
  .stage { grid-template-columns: 38px 1fr; gap: 14px; }
  .stage-rail span { width: 26px; height: 26px; font-size: 0.625rem; }
  .stages::before { left: 13px; }
  .stage-fact { grid-template-columns: 1fr; gap: 2px; }
  .rule { grid-template-columns: 40px 1fr; gap: 12px; }
  .search { flex: 1 1 100%; min-width: 0; }
  .filterbar { gap: 12px; }
  .detail-bar-meta { display: none; }
  .detail-bar-inner { gap: 10px; }
}

@media (max-width: 560px) {
  .card {
    grid-template-columns: 1fr;
  }
  .card-index { display: none; }
}

@media (max-width: 420px) {
  .brand-word { display: none; }
  .card { padding: 18px 16px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media print {
  .site-header, .site-nav, .theme-toggle, .toast, .detail-actions, .copy-btn, .featured-link, .detail-bar { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .panel, .node { break-inside: avoid; }
  .card {
    opacity: 1 !important;
    translate: none !important;
    box-shadow: none;
  }
}