/* Weaver Editor — site de demonstração e documentação.
   Direção: o produto trabalhando na página. O editor real fica num palco
   cor de açafrão (do logo); cada recurso aparece como um pedaço da
   interface de verdade. Uma família (Jost), sem serifas. */

:root {
  --bg: #ffffff;
  --surface: #f1f3f7;
  --surface-2: #e4e8ef;
  --ink: #121a33;
  --muted: #4a5374;
  --accent: #0165ad;
  --accent-dark: #014e86;
  --stage: #f57e21;
  --night: #121a33;
  --night-2: #222c4f;
  --night-text: #e3e6f0;

  --font: "Jost", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ui: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace; /* só em código real. taste-skill-ignore */

  /* Cinco tamanhos */
  --step-small: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.25rem, 1.1rem + 0.7vw, 1.625rem);
  --step-head: clamp(2rem, 1.3rem + 3.2vw, 4rem);
  --step-display: clamp(2.25rem, 9vw, 5rem);

  --margin: clamp(20px, 3vw, 40px);
  --gap: clamp(12px, 1.6vw, 24px);
  --section: clamp(112px, 12vw, 200px);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
  --t-press: 140ms;
  --t-hover: 180ms;
  --t-ui: 240ms;
  --t-reveal: 800ms;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 24px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 400 var(--step-body)/1.5 var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video, svg { display: block; }
img, video { max-width: 100%; height: auto; }

a { color: var(--accent); text-underline-offset: 4px; text-decoration-thickness: 1px; transition: color var(--t-hover) var(--ease-out), text-underline-offset var(--t-hover) var(--ease-out); }
a:hover { color: var(--accent-dark); text-underline-offset: 6px; }

:focus-visible { outline: 3px solid #01acde; outline-offset: 3px; }
::selection { background: #01acde; color: #fff; }

h1, h2, h3 { margin: 0; font-weight: 500; text-wrap: balance; }
p { margin: 0; }

.skip { position: absolute; left: 16px; top: -80px; z-index: 100; background: var(--ink); color: #fff; padding: 12px 18px; }
.skip:focus { top: 12px; color: #fff; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Grade: margem, 12 colunas, margem. Linhas: 2 = coluna 1, 14 = fim da 12, -1 = borda. */
.hero, .output, .features, .steps-section, .docs, .start, .site-footer {
  display: grid;
  grid-template-columns: minmax(var(--margin), 1fr) repeat(12, minmax(0, 104px)) minmax(var(--margin), 1fr);
  column-gap: var(--gap);
}
/* Itens de grade não crescem até a largura do código que carregam */
.hero > *, .output > *, .features > *, .steps-section > *, .docs > *, .start > *, .site-footer > *,
.exchanges > li, .cells > li { min-width: 0; }

/* ---------- Botões ---------- */

.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 26px;
  background: var(--accent); color: #fff;
  font: 500 var(--step-body)/1 var(--font); text-decoration: none;
  border: 0; border-radius: 0; cursor: pointer;
  transition: background-color var(--t-hover) var(--ease-out), transform var(--t-press) var(--ease-out);
}
.button:hover { background: var(--accent-dark); color: #fff; }
.button:active { transform: scale(0.97); }
.button-dark { background: var(--ink); }
.button-dark:hover { background: var(--night-2); }

.text-link { color: var(--ink); font-weight: 500; }
.text-link:hover { color: var(--ink); }

/* ---------- Cabeçalho ---------- */

.site-header { position: relative; z-index: 50; }
.bar {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 28px var(--margin) 0;
  max-width: calc(12 * 104px + 11 * 24px + 2 * var(--margin)); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 500; font-size: var(--step-body); }
.brand svg { width: 34px; height: auto; transition: transform var(--t-ui) var(--ease-out); }
.brand:hover { color: var(--ink); }
.brand:hover svg { transform: rotate(-6deg) scale(1.06); }

.site-nav ul { display: flex; gap: 32px; list-style: none; margin: 0; padding: 0; }
.site-nav a { color: var(--ink); text-decoration: none; font-size: var(--step-small); font-weight: 500; }
.site-nav a:hover { color: var(--accent); }

.menu-toggle { display: none; }

/* ---------- Abertura: o editor num palco ---------- */

.hero { padding-top: clamp(64px, 9vw, 120px); align-items: start; }

.hero-title {
  grid-column: 2 / 11; grid-row: 1;
  font-size: clamp(2.25rem, 5.2vw, 5rem);
  font-weight: 700; line-height: 0.92; letter-spacing: -0.03em; text-transform: uppercase;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.hero-text { grid-column: 2 / 6; grid-row: 2; display: grid; gap: 28px; padding-right: 8px; }
.hero-lead { font-size: var(--step-lead); line-height: 1.35; max-width: 26ch; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.hero-facts { font-size: var(--step-small); color: var(--muted); max-width: 34ch; line-height: 1.5; }

.stage {
  --tab-h: 56px; --tab-w: 208px;
  grid-column: 6 / -1; grid-row: 2;
  background: var(--stage);
  /* A aba: o canto superior esquerdo recortado, como a aba de uma pasta */
  clip-path: polygon(0 var(--tab-h), var(--tab-w) var(--tab-h), calc(var(--tab-w) + 56px) 0, 100% 0, 100% 100%, 0 100%);
  padding: calc(var(--tab-h) + 56px) var(--margin) 72px 56px;
  min-height: 640px;
}
.stage-inner { max-width: 780px; }
.stage-editor .wysiwyg-editor { box-shadow: none; } /* tira a sombra do editor. taste-skill-ignore */
.stage-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 20px; }
.stage-toggle {
  min-height: 44px; padding: 0 18px;
  background: var(--ink); color: #fff; border: 0; border-radius: 0;
  font: 500 var(--step-body)/1 var(--font); cursor: pointer;
  transition: background-color var(--t-hover) var(--ease-out), transform var(--t-press) var(--ease-out);
}
.stage-toggle:hover { background: var(--night-2); }
.stage-toggle:active { transform: scale(0.97); }
.stage-toggle[aria-pressed="true"] { background: #fff; color: var(--ink); }
.stage-note { flex: 1 1 280px; font-size: var(--step-body); color: var(--ink); max-width: 52ch; }
.stage-note code { background: rgba(18, 26, 51, .12); }

/* ---------- O que o formulário recebe ---------- */

.output { padding-top: var(--section); align-items: start; }

.output-index { grid-column: 2 / 7; padding-top: 72px; }
.output-names { display: flex; flex-direction: column; align-items: flex-start; }
.output-name {
  background: none; border: 0; padding: 0; margin: 0; cursor: pointer; text-align: left;
  font: 500 var(--step-head)/1.12 var(--font); letter-spacing: -0.02em;
  color: #646c8a;
  transition: color var(--t-hover) var(--ease-out), transform var(--t-ui) var(--ease-out);
}
.output-name:hover { color: var(--ink); transform: translateX(8px); }
.output-name[aria-pressed="true"] { color: var(--ink); }
.output-text { margin-top: 48px; max-width: 40ch; }

.output-stage {
  grid-column: 8 / -1;
  background: var(--surface);
  height: clamp(560px, 88svh, 860px);
  overflow: hidden;
  padding: 72px 0 0 64px;
}

/* A folha: um pedaço de "inspetor de rede" com o HTML enviado */
[data-ui].sheet {
  width: 560px; min-height: 120%;
  background: #fff; border: 1px solid #dde2ea; border-radius: 6px;
  font-family: var(--ui); color: #1f2937;
  transition: opacity 200ms var(--ease-out);
}
[data-ui].sheet.is-swapping { opacity: 0; }
[data-ui] .sheet-head { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid #e5e7eb; font-size: 14px; }
[data-ui] .sheet-method { background: #e7f3ec; color: #166534; font-weight: 600; font-size: 12px; padding: 2px 8px; border-radius: 4px; }
[data-ui] .sheet-url { color: #374151; }
[data-ui] .sheet-field { margin-left: auto; color: #6b7280; font-size: 13px; }
[data-ui] .sheet-body { padding: 18px; display: grid; gap: 10px; }
[data-ui] .sheet-label { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: #4b5563; }
[data-ui] .sheet-label + .code-block, [data-ui] .sheet-label + pre { margin-bottom: 8px; }
[data-ui].sheet pre { margin: 0; font-size: 13px; max-height: 300px; overflow: auto; white-space: pre-wrap; word-break: break-word; }
[data-ui].sheet pre.is-input { background: #f6f8fa; color: #57606a; }
[data-ui].sheet pre.is-input span { color: inherit; font-style: normal; }
[data-ui] .sheet-options { font-size: 13px; color: #374151; }
[data-ui] .sheet-options code { background: #eef2ff; color: #1e3a8a; }

/* ---------- Recursos: células com pedaços da interface ---------- */

.features { padding-top: var(--section); }
.section-title { grid-column: 2 / 14; font-size: var(--step-head); line-height: 1.05; letter-spacing: -0.025em; margin-bottom: 56px; }

.cells {
  grid-column: 2 / 14;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px;
  list-style: none; margin: 0; padding: 0;
}
.cell {
  position: relative; height: 440px; overflow: hidden;
  background: var(--surface);
  display: flex; flex-direction: column; justify-content: space-between;
}
.cell-text { padding: 28px; }
.cell h3 { font-size: var(--step-lead); line-height: 1.15; margin-bottom: 10px; }
.cell p { line-height: 1.5; max-width: 36ch; }
.cell code, .steps-note code, .docs-body :not(pre) > code, .start-explain code, .stage-note code {
  font-family: var(--mono); font-size: .86em; padding: 1px 6px; background: var(--surface-2);
}

.cell-shot { position: relative; flex: 1; margin: 0; min-height: 0; overflow: hidden; }
.cell-shot img {
  position: absolute; max-width: none;
  transition: transform 600ms var(--ease-soft);
}
.dock-bottom-left img { left: 28px; bottom: 0; }
.dock-bottom-right img { right: 28px; bottom: 0; }
.dock-top-left img { left: 28px; top: 0; }
.dock-top-right img { right: 28px; top: 0; }
.cell:hover .cell-shot img { transform: translate(-6px, -4px); }
.cell:hover .dock-top-left img, .cell:hover .dock-top-right img { transform: translate(-6px, 4px); }

/* ---------- Instalação: o que você escreve e o que volta ---------- */

.steps-section { padding-top: var(--section); }
.steps-section .section-title { grid-column: 4 / 14; }

.exchanges { grid-column: 4 / 10; list-style: none; margin: 0; padding: 0; display: grid; gap: 88px; }
.exchange-say { font-size: var(--step-lead); font-weight: 500; margin-bottom: 16px; }

pre {
  margin: 0; padding: 20px 22px; overflow-x: auto;
  background: var(--night); color: #e6e9f2;
  font: 14px/1.65 var(--mono); tab-size: 2;
}
code { font-family: var(--mono); }
.tok-tag { color: #7cc4ff; }
.tok-attr { color: #f6b26b; }
.tok-str { color: #a5e3a1; }
.tok-com { color: #9aa3c3; font-style: italic; }
.tok-key { color: #d6a8ff; }

.code-block { position: relative; }
.code-block pre { padding-right: 96px; }
.copy {
  position: absolute; top: 10px; right: 10px;
  min-height: 32px; padding: 0 12px;
  background: var(--night-2); color: #fff; border: 0; border-radius: 0;
  font: 500 13px/1 var(--font); cursor: pointer;
  transition: background-color var(--t-hover) var(--ease-out), transform var(--t-press) var(--ease-out);
}
.copy:hover { background: #33406b; }
.copy:active { transform: scale(0.95); }

.response { margin: 24px 0 0 56px; }

[data-ui].console {
  display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline;
  padding: 14px 16px; background: #fff; border: 1px solid #dde2ea; border-radius: 6px;
  font: 14px/1.5 var(--mono); color: #1f2937;
}
[data-ui] .console-prompt { color: #0165ad; }
[data-ui] .console-out { flex-basis: 100%; color: #b45309; padding-left: 18px; }

.response-video { margin-right: 0; }
.response-video video { width: 100%; background: #fff; }

.exchange-last .response { width: min(760px, calc(100vw - 2 * var(--margin))); }
[data-ui].request { background: #fff; border: 1px solid #dde2ea; border-radius: 6px; font-family: var(--ui); color: #1f2937; overflow: hidden; }
[data-ui] .request-head { display: flex; justify-content: space-between; padding: 12px 16px; background: #f6f8fa; border-bottom: 1px solid #e5e7eb; font-size: 13px; font-weight: 600; color: #374151; }
[data-ui] .request-head span + span { font-weight: 400; color: #6b7280; }
[data-ui] .request-row { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 16px; padding: 14px 16px; font-size: 13px; }
[data-ui] .request-key { color: #6b7280; }
[data-ui] .request-value { font: 13px/1.6 var(--mono); white-space: pre-wrap; word-break: break-word; color: #1f2937; background: none; padding: 0; }

.steps-note { grid-column: 4 / 11; margin-top: 88px; max-width: 64ch; }

/* ---------- Documentação ---------- */

.docs { margin-top: var(--section); padding: 120px 0 var(--section); background: var(--surface); }
.docs-head { grid-column: 2 / 14; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; }
.docs-title { font-size: var(--step-head); line-height: 1.05; letter-spacing: -0.025em; }
.docs-title span { display: block; }
.docs-title span:first-child { color: #5d6584; }

.docs-layout { grid-column: 2 / 14; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; align-items: start; margin-top: 56px; }

.docs-toc { position: sticky; top: 24px; max-height: calc(100vh - 48px); overflow-y: auto; }
.docs-toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.docs-toc a {
  display: flex; align-items: center; min-height: 44px; padding: 8px 14px;
  background: #fff; color: var(--ink); text-decoration: none; font-size: var(--step-small); line-height: 1.3;
  transition: background-color var(--t-hover) var(--ease-out), color var(--t-hover) var(--ease-out);
}
.docs-toc a:hover { background: var(--surface-2); color: var(--ink); }
.docs-toc a[aria-current="true"] { background: var(--ink); color: #fff; }

.docs-body { max-width: 800px; min-width: 0; }
.docs-body h2 { font-size: var(--step-lead); line-height: 1.2; letter-spacing: -0.02em; margin: 72px 0 16px; }
.docs-body h2:first-child { margin-top: 0; }
.docs-body h3 { font-size: var(--step-body); margin: 36px 0 10px; }
.docs-body p, .docs-body li { max-width: 68ch; }
.docs-body p { margin: 0 0 16px; }
.docs-body ul, .docs-body ol { padding-left: 22px; margin: 0 0 16px; }
.docs-body li { margin-bottom: 6px; }
.docs-body pre { margin: 0 0 20px; }
.docs-body blockquote { margin: 20px 0; padding: 16px 20px; background: #fff; }
.docs-body blockquote p { margin: 0; }
.docs-body :not(pre) > code { background: #fff; }
.docs-body .table-scroll { overflow-x: auto; margin: 0 0 24px; }
.docs-body table { border-collapse: separate; border-spacing: 0 4px; width: 100%; font-size: var(--step-small); }
.docs-body th, .docs-body td { text-align: left; vertical-align: top; padding: 12px 14px; }
.docs-body th { font-weight: 500; color: var(--muted); padding-top: 4px; padding-bottom: 4px; }
.docs-body tbody tr:nth-child(odd) td { background: #fff; }
.docs-body tbody tr:nth-child(even) td { background: var(--surface-2); }
.docs-body tbody tr:nth-child(even) td :not(pre) > code { background: #fff; }
.docs-body td code { white-space: nowrap; }
.docs-status { color: var(--muted); }

/* ---------- Fechamento: a frase com a lacuna ---------- */

.start { background: var(--night); color: #fff; padding: var(--section) 0; }
.start-form { grid-column: 2 / 14; }
.start-sentence { font-size: var(--step-display); font-weight: 700; line-height: 1.02; letter-spacing: -0.03em; }
.start-line { display: flex; flex-wrap: wrap; align-items: center; gap: 0.12em; }
.start-hash { color: #8b93ad; }
.start-input {
  width: 4.6em; height: 1.08em; padding: 0 0.15em;
  font: inherit; letter-spacing: inherit; color: #fff;
  background: var(--night-2); border: 0; border-radius: 0;
  transition: background-color var(--t-hover) var(--ease-out);
}
.start-input:hover, .start-input:focus { background: #2c3963; }
.start-input:focus-visible { outline: 3px solid #01acde; outline-offset: 0; }
.start-button {
  height: 1.08em; padding: 0 0.3em; margin-left: 0.12em;
  font: inherit; letter-spacing: inherit; text-transform: lowercase;
  color: #fff; background: var(--accent); border: 0; border-radius: 0; cursor: pointer;
  transition: background-color var(--t-hover) var(--ease-out), transform var(--t-press) var(--ease-out);
}
.start-button:hover { background: var(--accent-dark); }
.start-button:active { transform: scale(0.97); }
.start-explain { margin-top: 40px; color: var(--night-text); max-width: 70ch; }
.start-explain code { background: var(--night-2); color: #fff; }
.start-explain a { color: #fff; }
.start-explain a:hover { color: #fff; }

/* ---------- Rodapé: uma linha ---------- */

.site-footer { padding: 30svh 0 30px; font-size: var(--step-small); color: var(--muted); align-items: baseline; }
.site-footer > * { grid-row: 1; }
.footer-what { grid-column: 2 / 6; }
.footer-links { grid-column: 6 / 11; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; list-style: none; margin: 0; padding: 0; }
.footer-who { grid-column: 11 / 14; text-align: right; }
.site-footer a { color: var(--ink); }

/* ---------- Telas médias ---------- */

@media (max-width: 1100px) {
  .hero-title { grid-column: 2 / 14; }
  .hero-text { grid-column: 2 / 14; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
  .hero-lead { grid-row: span 2; max-width: 30ch; }
  .stage { grid-column: 1 / -1; grid-row: 3; margin-top: 48px; }
  .output-index { grid-column: 2 / 14; padding-top: 0; }
  .output-stage { grid-column: 1 / -1; margin-top: 40px; padding-left: var(--margin); }
  .cells { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps-section .section-title, .exchanges, .steps-note { grid-column: 2 / 14; }
  .response, .exchange-last .response { margin-left: 0; width: auto; }
  .footer-what, .footer-links, .footer-who { grid-column: 2 / 14; grid-row: auto; text-align: left; justify-content: flex-start; }
  .site-footer { row-gap: 8px; }
}

/* ---------- Celular ---------- */

@media (max-width: 720px) {
  .menu-toggle {
    display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px;
    background: var(--surface); border: 0; border-radius: 0;
    font: 500 1rem/1 var(--font); color: var(--ink); cursor: pointer;
  }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 84px; background: var(--surface); }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 8px var(--margin) 16px; }
  .site-nav a { display: block; padding: 12px 0; font-size: 1.0625rem; }

  .hero { padding-top: 48px; }
  .hero-title { font-size: 8.4vw; margin-bottom: 24px; }
  .hero-text { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .hero-lead { grid-row: auto; font-size: 1.25rem; }
  .stage { --tab-h: 40px; --tab-w: 72px; margin-top: 40px; padding: calc(var(--tab-h) + 16px) 16px 48px; min-height: 0; }

  .output-names { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
  .output-name { font-size: var(--step-body); min-height: 52px; padding: 0 14px; background: var(--surface); white-space: nowrap; }
  .output-name[aria-pressed="true"] { background: var(--ink); color: #fff; }
  .output-name:hover { transform: none; }
  .output-text { margin-top: 24px; }
  .output-stage { height: 70svh; padding: 16px 0 0 16px; margin-top: 24px; }

  .cells { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .cell { height: auto; }
  .cell-shot { flex: none; height: 240px; }
  .cell-bottom { flex-direction: column-reverse; }
  .dock-bottom-left img, .dock-top-left img { left: 20px; }
  .dock-bottom-right img, .dock-top-right img { right: 20px; }
  .cell-shot.zoom img { width: 280px; }

  .exchanges { gap: 64px; }
  .response { margin-left: 0; }
  .exchange-last .response { width: auto; margin-right: calc(-1 * var(--margin)); }
  [data-ui] .request-row { grid-template-columns: minmax(0, 1fr); gap: 6px; }

  .docs { padding-top: 88px; }
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; margin-top: 32px; }
  .docs-toc { position: static; max-height: none; }
  .docs-toc ol { display: flex; flex-wrap: wrap; gap: 6px; }
  .docs-title { font-size: 1.75rem; }

  .start-sentence { font-size: 9vw; }
  .start-line + .start-line { margin-top: 0.1em; }
  .start-input { width: 4.6em; }
}

/* ---------- Movimento ---------- */

.lines .line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.lines [data-line] { display: block; }

@media (prefers-reduced-motion: no-preference) {
  .js .lines [data-line] { transform: translateY(105%); animation: line-up 900ms var(--ease-out) forwards; animation-delay: calc(var(--i) * 110ms + 150ms); }
  .js [data-rise] { opacity: 0; transform: translateY(18px); animation: rise var(--t-reveal) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 90ms + 200ms); }

  /* Assinatura: o palco abre como uma cortina, de cima para baixo, e o editor assenta */
  .js .shutter { animation: shutter 1100ms var(--ease-in-out) 350ms both; }
  .js .shutter .stage-editor { animation: settle 1500ms var(--ease-soft) 450ms both; }

  .js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }

  /* Recursos: a captura assenta de um zoom leve depois da célula */
  .js .cell[data-reveal] .cell-shot { opacity: 0; transform: scale(1.05); transform-origin: center; transition: opacity 700ms var(--ease-out), transform 1200ms var(--ease-soft); transition-delay: calc(var(--i, 0) * 80ms + 160ms); }
  .js .cell[data-reveal].is-in .cell-shot { opacity: 1; transform: none; }

  /* Instalação: a frase, depois o código, depois a resposta */
  .js .exchange[data-reveal] { transform: none; }
  .js .exchange[data-reveal] > * { opacity: 0; transform: translateY(20px); transition: opacity 600ms var(--ease-out), transform 800ms var(--ease-out); }
  .js .exchange[data-reveal] > :nth-child(2) { transition-delay: 90ms; }
  .js .exchange[data-reveal] > :nth-child(3) { transition-delay: 180ms; }
  .js .exchange[data-reveal].is-in > * { opacity: 1; transform: none; }

  /* Vitrine: os nomes entram um a um, da esquerda */
  .js .output-name { opacity: 0; transform: translateX(-24px); }
  .js .output-names.is-in .output-name { opacity: 1; transform: none; transition: opacity 600ms var(--ease-out), transform 800ms var(--ease-out), color var(--t-hover) var(--ease-out); }
  .js .output-names.is-in .output-name:nth-child(2) { transition-delay: 70ms; }
  .js .output-names.is-in .output-name:nth-child(3) { transition-delay: 140ms; }
  .js .output-names.is-in .output-name:nth-child(4) { transition-delay: 210ms; }
  .js .output-names.is-in .output-name:hover { transition-delay: 0ms; }
  .js .output-stage .sheet { transform: translateY(48px); transition: transform 1000ms var(--ease-out), opacity 200ms var(--ease-out); }
  .js .output-stage.is-in .sheet { transform: none; }

  /* Fechamento: as duas linhas sobem */
  .js .start-line { opacity: 0; transform: translateY(32px); transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out); }
  .js .start-line + .start-line { transition-delay: 110ms; }
  .js .start.is-in .start-line { opacity: 1; transform: none; }
}

@keyframes line-up { to { transform: none; } }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes shutter {
  from { clip-path: polygon(0 var(--tab-h), var(--tab-w) var(--tab-h), calc(var(--tab-w) + 56px) 0, 100% 0, 100% var(--tab-h), 0 var(--tab-h)); }
  to { clip-path: polygon(0 var(--tab-h), var(--tab-w) var(--tab-h), calc(var(--tab-w) + 56px) 0, 100% 0, 100% 100%, 0 100%); }
}
@keyframes settle { from { opacity: 0; transform: translateY(40px) scale(1.03); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-delay: 0s !important; transition-duration: 1ms !important; transition-delay: 0s !important; }
}