/* Briefing · Ever Designer
   Usa os tokens de tokens.css (cópia do design system, sem o @import de fontes). */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { color: var(--color-primary-text); }
button, input, textarea { font: inherit; color: inherit; }
p { margin: 0; }
::selection { background: var(--color-primary); color: var(--color-white); }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.sm-only { display: none; }

.skip {
  position: absolute; left: var(--space-4); top: -80px; z-index: var(--z-tooltip);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-pill);
  background: var(--color-primary); color: var(--color-text-on-primary); text-decoration: none; font-weight: var(--fw-semibold);
}
.skip:focus { top: var(--space-4); }
.noscript { padding: var(--space-6); }

.view { animation: enter var(--dur-slow) var(--ease-standard); }
@keyframes enter { from { opacity: 0; transform: translateY(8px); } }

/* ---------- Base ---------- */
.logo {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: var(--ls-logo);
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
}
.logo span { font-weight: var(--fw-regular); }
.logo b { font-weight: var(--fw-bold); }

.label {
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.label--blue { color: var(--color-primary-text); }
.label--light { color: var(--color-text-on-primary-muted); }

.muted { color: var(--color-text-muted); font-size: var(--fs-body-sm); }
.small { font-size: 13px; line-height: var(--lh-body-sm); }

.display {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
}
.display strong { font-weight: var(--fw-bold); color: var(--color-primary-text); }
.display:focus { outline: none; }

.lead { max-width: 500px; font-size: var(--fs-body-lg); line-height: var(--lh-body); color: var(--color-text-secondary); }

.row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); }

.tag {
  display: inline-flex; align-items: center; gap: var(--space-2);
  height: var(--control-xs); padding: 0 var(--space-4);
  border-radius: var(--radius-pill); border: var(--border-hairline);
  background: var(--color-surface);
  font-size: var(--fs-body-sm); font-weight: var(--fw-medium); color: var(--color-text-secondary);
  white-space: nowrap;
}

.is-ok { color: var(--color-primary-text); }
.is-bad { color: var(--color-error); }
.status, .status span { display: inline-flex; align-items: center; gap: var(--space-2); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
  height: var(--control-md); padding: 0 var(--space-6);
  border-radius: var(--radius-pill); border: 1px solid transparent;
  font-size: var(--fs-button); font-weight: var(--fw-semibold); line-height: 1;
  text-decoration: none; white-space: nowrap; flex-shrink: 0; cursor: pointer;
  transition: background-color var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard);
}
.btn svg { flex-shrink: 0; transition: transform var(--dur-arrow) var(--ease-standard); }
.btn--lg { height: var(--control-lg); padding: 0 var(--space-8); font-size: var(--fs-button-lg); }
.btn--sm { height: var(--control-sm); padding: 0 14px; gap: 6px; font-size: var(--fs-body-sm); font-weight: var(--fw-medium); }
.btn--primary { background: var(--color-primary); color: var(--color-text-on-primary); }
.btn--primary:active { background: var(--color-primary-active); }
.btn--outline { border-color: var(--color-border-strong); background: transparent; color: var(--color-text-primary); }
.btn[disabled] { opacity: 0.7; cursor: progress; }

@media (hover: hover) {
  .btn--primary:hover { background: var(--color-primary-hover); }
  .btn--outline:hover { border-color: var(--color-border-hover); background: var(--color-ghost-hover); }
  .btn:hover svg { transform: translateX(3px); }
}

.icon-btn {
  width: 44px; height: 44px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-pill); border: 1px solid var(--color-border-strong);
  background: transparent; color: inherit; cursor: pointer;
}

/* ---------- Capa ---------- */
.cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  grid-template-areas: "head media" "body media" "stats media";
  min-height: 100vh;
  min-height: 100dvh;
}
.cover__head {
  grid-area: head;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  padding: var(--space-10) var(--space-20) 0;
}
.cover__head .logo { font-size: 22px; }
.cover__body {
  grid-area: body; align-self: center;
  display: flex; flex-direction: column; gap: 28px;
  padding: var(--space-12) var(--space-20);
}
.cover .display { font-size: clamp(48px, 5.3vw, 76px); }
.stats {
  grid-area: stats;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6);
  max-width: 440px; margin: 0 var(--space-20) var(--space-12);
  padding-top: 28px; border-top: var(--border-hairline);
}
.stats div { display: flex; flex-direction: column-reverse; gap: var(--space-1); }
.stats dt { font-size: var(--fs-label); font-weight: var(--fw-semibold); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--color-text-muted); }
.stats dd { margin: 0; font-family: var(--font-display); font-weight: var(--fw-medium); font-size: 44px; line-height: 1; letter-spacing: var(--ls-heading); }
.cover__media { grid-area: media; position: relative; overflow: hidden; background: var(--color-bg-tertiary); }
.cover__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 22%; }

.toc {
  grid-area: media; align-self: end; justify-self: start; position: relative; z-index: var(--z-raised);
  width: 440px; margin: 0 0 var(--space-12) -96px; padding: 28px;
  display: flex; flex-direction: column; gap: var(--space-1);
  border-radius: var(--radius-lg); border: var(--border-hairline);
  background: var(--color-surface); box-shadow: var(--shadow-soft);
}
.toc .label { padding-bottom: var(--space-3); }
.toc__row { display: flex; align-items: baseline; gap: var(--space-3); padding: 10px 0; color: var(--color-text-primary); text-decoration: none; }
.toc__n { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--fs-body-sm); color: var(--color-primary-text); }
.toc__name { font-weight: var(--fw-medium); transition: color var(--dur-base) var(--ease-standard); }
.toc__dots { flex-grow: 1; min-width: var(--space-4); border-bottom: 1px dotted var(--color-border-strong); transform: translateY(-4px); }
.toc__meta { font-size: var(--fs-body-sm); color: var(--color-text-secondary); white-space: nowrap; }
@media (hover: hover) { .toc__row:hover .toc__name { color: var(--color-primary-text); } }
.cover .foot { display: none; }
.toc__row.is-locked { color: var(--color-text-muted); cursor: not-allowed; }
.toc__row.is-locked .toc__n { color: var(--color-text-muted); }
.toc__row.is-locked .toc__meta { display: inline-flex; align-items: center; gap: 6px; color: var(--color-text-muted); }
.toc__note { padding-top: var(--space-3); font-size: var(--fs-caption); color: var(--color-text-muted); }

/* Bloqueios do passo a passo */
.sb-ch.is-locked { color: var(--color-text-disabled); cursor: not-allowed; }
.sb-ch.is-locked .sb-n { color: var(--color-text-disabled); }
.sb-ch.is-locked .sc { display: inline-flex; color: var(--color-text-disabled); }
.next.is-locked { cursor: not-allowed; }
.next.is-locked .label { color: var(--color-text-muted); }
.next.is-locked .next__title { color: var(--color-text-muted); }
.next.is-locked .next__go { background: transparent; border: 1px solid var(--color-border-strong); color: var(--color-text-muted); }
.next.is-locked img { filter: grayscale(1) brightness(0.45); }

@media (max-width: 1279px) {
  .cover__head { padding: var(--space-10) var(--space-12) 0; }
  .cover__body { padding: var(--space-12); }
  .stats { margin: 0 var(--space-12) var(--space-12); }
  .toc { width: 400px; margin-left: -64px; }
}

/* ---------- Capítulo ---------- */
.progress { position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-overlay); height: 3px; background: var(--color-ghost-hover); }
.progress span { display: block; height: 100%; background: var(--color-primary); transition: width var(--dur-slow) var(--ease-standard); }

.topbar { display: none; }

.layout { display: flex; min-height: 100vh; }

.side {
  position: sticky; top: 0; width: 320px; height: 100vh; flex-shrink: 0; overflow-y: auto;
  display: flex; flex-direction: column; gap: var(--space-12);
  padding: var(--space-10) var(--space-8);
  border-right: var(--border-hairline);
}
.side [data-side] { display: flex; flex-direction: column; gap: var(--space-12); flex-grow: 1; }

.sb { display: flex; flex-direction: column; gap: var(--space-1); }
.sb > .label { padding-bottom: var(--space-3); }
.sb-ch { display: flex; align-items: baseline; gap: var(--space-3); padding: var(--space-2) 0; color: var(--color-text-secondary); text-decoration: none; font-size: 15px; }
.sb-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-ch.is-cur { color: var(--color-text-primary); font-weight: var(--fw-semibold); }
.sb-n { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--fs-body-sm); color: var(--color-text-muted); }
.sb-ch.is-cur .sb-n { color: var(--color-primary-text); }
.sc { margin-left: auto; padding-left: var(--space-2); font-size: var(--fs-label); font-weight: var(--fw-regular); color: var(--color-text-muted); }
.sb-ch.is-cur .sc { display: none; }
.sb-sub { list-style: none; margin: 0 0 var(--space-3); padding: 0 0 0 28px; display: flex; flex-direction: column; gap: 2px; font-size: var(--fs-body-sm); }
.sb-sub a { display: flex; align-items: center; gap: 10px; min-height: 32px; color: var(--color-text-muted); text-decoration: none; }
.sb-sub a.is-done { color: var(--color-text-secondary); }
.sb-sub a.is-now { color: var(--color-text-primary); font-weight: var(--fw-medium); }
.sb-sub a.is-bad { color: var(--color-error); }
.st {
  width: 16px; height: 16px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-pill); border: 1.5px solid var(--color-border-strong);
}
.st--opt { border-style: dashed; }
.is-done .st { border: 0; background: var(--color-primary); color: var(--color-white); }
.is-now .st { border: 2px solid var(--color-focus); }
.is-bad .st { border: 2px solid var(--color-error); }
@media (hover: hover) {
  .sb-ch:hover, .sb-sub a:hover { color: var(--color-text-primary); }
}

.meter { margin-top: auto; display: flex; flex-direction: column; gap: var(--space-2); padding-top: var(--space-6); border-top: var(--border-hairline); }
.meter__pct { font-family: var(--font-display); font-weight: var(--fw-medium); font-size: 56px; line-height: 1; letter-spacing: var(--ls-display); }
.meter__pct span { color: var(--color-text-muted); }
.meter p { font-size: var(--fs-body-sm); color: var(--color-text-secondary); }
.meter .saved { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-caption); color: var(--color-text-muted); }

.chapter { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.chapter { --col: 1140px; --gutter-x: max(var(--space-20), calc((100% - var(--col)) / 2 + var(--space-20))); }
.opener {
  position: relative; height: 440px; overflow: hidden;
  display: flex; align-items: flex-end; gap: var(--space-8);
  padding: 0 var(--gutter-x) var(--space-12);
  background: #22285A;
}
.opener img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: var(--pos); }
.opener::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0, 1, 3, 0.88) 0%, rgba(0, 1, 3, 0.2) 55%, rgba(0, 1, 3, 0) 100%);
}
.opener__n {
  position: relative; z-index: 1;
  font-family: var(--font-display); font-weight: var(--fw-bold);
  font-size: clamp(160px, 18vw, 260px); line-height: 0.75; letter-spacing: -0.06em;
}
.opener__text { position: relative; z-index: 1; display: flex; flex-direction: column; gap: var(--space-3); padding-bottom: var(--space-1); }
.opener h1 { margin: 0; font-family: var(--font-display); font-weight: var(--fw-medium); font-size: clamp(40px, 3.9vw, 56px); line-height: var(--lh-heading); letter-spacing: var(--ls-heading); }
.opener h1:focus { outline: none; }
.opener p:last-child { font-size: var(--fs-body-sm); color: var(--color-text-on-primary-muted); }

.qs { width: 100%; max-width: var(--col); margin-inline: auto; padding: var(--space-8) var(--space-20) 0; }

/* Pergunta */
.q {
  display: grid; grid-template-columns: 96px minmax(0, 1fr); column-gap: var(--space-8);
  padding: var(--space-12) 0; border-bottom: var(--border-hairline);
  scroll-margin-top: var(--space-6);
}
.q[hidden] { display: none; }
.q--last { border-bottom: 0; }
.q__n {
  font-family: var(--font-display); font-weight: var(--fw-medium); font-size: 32px; line-height: 1.2;
  letter-spacing: var(--ls-heading); color: var(--color-text-disabled);
  transition: color var(--dur-base) var(--ease-standard);
}
.q.is-done .q__n { color: var(--color-text-secondary); }
.q:focus-within .q__n { color: var(--color-primary-text); }
.q.is-error .q__n { color: var(--color-error); }
.q__b { display: flex; flex-direction: column; gap: var(--space-5); min-width: 0; }
.q__t {
  display: block;
  font-family: var(--font-display); font-weight: var(--fw-medium);
  font-size: 28px; line-height: 1.15; letter-spacing: var(--ls-heading);
}
.req { color: var(--color-primary-text); }
.opt {
  display: inline-flex; align-items: center; height: 24px; padding: 0 var(--space-3); margin-left: var(--space-1);
  border-radius: var(--radius-pill); background: var(--color-bg-tertiary);
  font-family: var(--font-body); font-size: var(--fs-label); font-weight: var(--fw-medium); letter-spacing: 0;
  color: var(--color-text-muted); vertical-align: middle;
}
.q__help { margin-top: -12px; font-size: var(--fs-body); line-height: var(--lh-body-sm); color: var(--color-text-secondary); }
.q__note { font-size: var(--fs-caption); color: var(--color-text-muted); }
.q__err { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-body-sm); color: var(--color-error); }
.q__err svg { flex-shrink: 0; }

/* Campos */
.inp {
  width: 100%; min-width: 0; height: var(--control-md); padding: 0 var(--space-4);
  border-radius: var(--radius-md); border: var(--border-hairline);
  background: var(--color-bg-secondary); color: var(--color-text-primary);
  font-size: var(--fs-body); line-height: var(--lh-ui);
  transition: border-color var(--dur-base) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.inp::placeholder { color: var(--color-text-muted); }
.inp:hover { border-color: var(--color-border-hover); }
.inp:focus { outline: none; border-color: var(--color-focus); box-shadow: 0 0 0 4px var(--color-primary-muted); }
.inp[aria-invalid="true"] { border-color: var(--color-error); }
.inp[aria-invalid="true"]:focus { box-shadow: 0 0 0 4px var(--color-error-muted); }
.inp--short { max-width: 560px; }
textarea.inp { height: auto; min-height: 144px; padding: var(--space-3) var(--space-4); line-height: var(--lh-body); resize: vertical; }

.contact { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
.contact label { display: flex; flex-direction: column; gap: var(--space-2); font-size: var(--fs-body-sm); font-weight: var(--fw-medium); }

.refs { display: flex; flex-direction: column; gap: var(--space-3); }
.ref { display: grid; grid-template-columns: 40px minmax(0, 1fr) minmax(0, 1.4fr); gap: var(--space-3); align-items: center; }
.ref__n {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-pill); border: 1px solid var(--color-border-strong);
  font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--fs-body-sm); color: var(--color-text-secondary);
  transition: border-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard);
}
.ref:focus-within .ref__n { border-color: var(--color-primary); color: var(--color-primary-text); }

/* Opções em pill */
.pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  display: inline-flex; align-items: center; gap: var(--space-2);
  height: var(--control-md); max-width: 100%; padding: 0 var(--space-5);
  border-radius: var(--radius-pill); border: var(--border-hairline);
  background: var(--color-surface); color: var(--color-text-secondary);
  font-size: var(--fs-body); font-weight: var(--fw-medium); line-height: 1;
  white-space: nowrap; flex-shrink: 0; cursor: pointer;
  transition: background-color var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard), color var(--dur-base) var(--ease-standard);
}
.pill svg { flex-shrink: 0; }
.pill .sm { display: none; }
.pill[aria-pressed="true"], .pill[aria-checked="true"] {
  border-color: var(--color-surface-light); background: var(--color-surface-light); color: var(--color-text-inverse);
}
.pill--add { border-style: dashed; border-color: var(--color-border-strong); background: transparent; }
@media (hover: hover) {
  .pill:hover { border-color: var(--color-border-strong); background: var(--color-surface-hover); color: var(--color-text-primary); }
  .pill[aria-pressed="true"]:hover, .pill[aria-checked="true"]:hover { background: var(--color-surface-light-hover); color: var(--color-text-inverse); }
}
.pill-other {
  display: inline-flex; align-items: center; gap: var(--space-1);
  height: var(--control-md); max-width: 100%; padding-right: var(--space-1);
  border-radius: var(--radius-pill); background: var(--color-surface-light);
}
.pill-other .pill { border: 0; background: transparent; padding-right: var(--space-2); }
.pill-other__inp {
  flex: 1; width: 240px; min-width: 0; height: 40px; padding: 0 var(--space-4);
  border: 0; border-radius: var(--radius-pill);
  background: var(--color-surface-light-hover); color: var(--color-text-inverse);
  font-size: var(--fs-body);
}
.pill-other__inp::placeholder { color: var(--color-ink-muted); }
.pill-other__inp:focus { outline: 2px solid var(--color-primary); outline-offset: 0; }

/* Próximo capítulo */
.next {
  display: grid; grid-template-columns: minmax(0, 1fr) 360px; min-height: 240px; margin-top: var(--space-8);
  border-radius: var(--radius-lg); border: var(--border-hairline); background: var(--color-surface);
  overflow: hidden; color: var(--color-text-primary); text-decoration: none;
  transition: border-color var(--dur-base) var(--ease-standard);
}
.next__body { display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-6); padding: var(--space-10); }
.next__row { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-6); }
.next__title { font-family: var(--font-display); font-weight: var(--fw-medium); font-size: clamp(40px, 3.9vw, 56px); line-height: 1; letter-spacing: var(--ls-display); }
.next__go {
  width: 56px; height: 56px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-pill); background: var(--color-primary); color: var(--color-text-on-primary);
  transition: background-color var(--dur-base) var(--ease-standard), transform var(--dur-arrow) var(--ease-standard);
}
.next img { width: 100%; height: 100%; object-fit: cover; }
@media (hover: hover) {
  .next:hover { border-color: var(--color-border-hover); }
  .next:hover .next__go { background: var(--color-primary-hover); transform: translateX(4px); }
  .next.is-locked:hover { border-color: var(--color-border); }
  .next.is-locked:hover .next__go { background: transparent; transform: none; }
}

.chapter-foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-4);
  padding: var(--space-6) 0 var(--space-24); font-size: var(--fs-body-sm);
}
.back { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px; font-weight: var(--fw-medium); color: var(--color-text-secondary); text-decoration: none; }
@media (hover: hover) { .back:hover { color: var(--color-text-primary); } }

/* Revisão e envio */
.review {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: var(--space-12);
  margin-top: var(--space-8); padding: var(--space-12);
  border-radius: var(--radius-lg); border: 1px solid var(--color-border-strong); background: var(--color-surface);
}
.review.is-ready { border-color: var(--color-primary); }
.review__main { display: flex; flex-direction: column; gap: var(--space-5); }
.review__t { margin: 0; font-family: var(--font-display); font-weight: var(--fw-medium); font-size: clamp(40px, 3.9vw, 56px); line-height: 1; letter-spacing: var(--ls-display); }
.review__t strong { font-weight: var(--fw-bold); color: var(--color-primary-text); }
.review__p { font-size: var(--fs-body); line-height: var(--lh-body); color: var(--color-text-secondary); }
.review__actions { display: flex; flex-wrap: nowrap; gap: var(--space-4); padding-top: var(--space-2); }
.review__msg { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-body-sm); color: var(--color-error); }
.review__msg:empty { display: none; }
.review__list { list-style: none; margin: 0; padding: 0; align-self: end; }
.review__list a {
  display: flex; align-items: center; gap: var(--space-3); padding: 14px 0;
  border-top: var(--border-hairline); color: var(--color-text-primary); text-decoration: none; font-size: 15px;
}
.review__list li:last-child a { border-bottom: var(--border-hairline); }
.chk-n { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: var(--fs-body-sm); color: var(--color-primary-text); }
.chk-c { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--color-text-secondary); white-space: nowrap; }
.chk-c svg { color: var(--color-primary-text); }
.chk-c.is-bad, .chk-c.is-bad svg { color: var(--color-error); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Rodapé */
.foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2) var(--space-4);
  margin-top: auto; padding: var(--space-6) var(--space-20);
  border-top: var(--border-hairline);
  font-size: var(--fs-label); font-weight: var(--fw-semibold); letter-spacing: var(--ls-label); text-transform: uppercase;
  color: var(--color-text-muted);
}
.chapter > .foot { padding-inline: var(--gutter-x); }
.foot a { color: inherit; }
@media (hover: hover) { .foot a:hover { color: var(--color-text-primary); } }

/* Sumário no mobile (sheet) */
.sheet {
  width: 100%; max-width: 100%; max-height: 85vh; max-height: 85dvh;
  margin: auto 0 0; padding: var(--space-3) var(--space-5) 28px;
  border: 0; border-top: var(--border-hairline); border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--color-surface); color: var(--color-text-primary); box-shadow: var(--shadow-soft);
}
.sheet[open] { animation: sheet-in var(--dur-slow) var(--ease-standard); }
@keyframes sheet-in { from { transform: translateY(24px); opacity: 0; } }
.sheet::backdrop { background: rgba(0, 1, 3, 0.72); }
.sheet__handle { display: block; width: 40px; height: 4px; margin: 0 auto var(--space-5); border-radius: var(--radius-pill); background: var(--color-border-strong); }
.sheet__head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-4); margin-bottom: var(--space-5); }
.sheet__head > div { display: flex; flex-direction: column; gap: var(--space-1); }
.sheet__head .meter__pct { font-size: 44px; }
.sb--sheet .sb-ch { align-items: center; min-height: 52px; border-top: var(--border-hairline); }
.sb--sheet .sb-sub a { min-height: 36px; }

/* ---------- Página final (tema claro) ---------- */
body.is-done { background: var(--color-surface-light); color: var(--color-text-inverse); }
.done { display: grid; grid-template-columns: minmax(0, 680px) minmax(0, 1fr); min-height: 100vh; min-height: 100dvh; }
.done__text { display: flex; flex-direction: column; padding: var(--space-10) var(--space-20); }
/* Conteúdo agrupado com espaçamento fixo, centralizado na altura da tela */
.done__main { margin-block: auto; display: flex; flex-direction: column; gap: var(--space-12); padding-block: var(--space-12); }
.done .logo { color: var(--color-text-inverse); font-size: 22px; }
.done__body { display: flex; flex-direction: column; gap: var(--space-6); }
.done .display { font-size: clamp(56px, 6.6vw, 96px); }
.done .display strong { color: var(--color-primary); }
.done .lead { color: var(--color-ink-secondary); max-width: 480px; }
.done .label { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--color-ink-secondary); }
.dot { width: 8px; height: 8px; border-radius: var(--radius-pill); background: var(--color-primary); }
.done__next { display: flex; flex-direction: column; gap: var(--space-5); }
.mats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-8); font-size: 15px; }
.mats li { display: flex; gap: var(--space-3); padding: 10px 0; border-top: var(--border-inverse); }
.mats b { font-family: var(--font-display); font-weight: var(--fw-bold); color: var(--color-primary); }
.done .small { color: var(--color-ink-muted); }
.done .btn--outline { border-color: rgba(0, 1, 3, 0.25); color: var(--color-text-inverse); }
@media (hover: hover) { .done .btn--outline:hover { border-color: rgba(0, 1, 3, 0.5); background: rgba(0, 1, 3, 0.06); } }
.row--btns { gap: var(--space-3); }
.done__media { position: relative; overflow: hidden; background: var(--color-surface-light); }
.done__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 48% center; }
.done__fim {
  position: absolute; left: var(--space-10); bottom: var(--space-6);
  font-family: var(--font-display); font-weight: var(--fw-bold);
  font-size: clamp(120px, 15vw, 220px); line-height: 0.8; letter-spacing: -0.06em; color: rgba(0, 1, 3, 0.08);
}
.demo {
  display: flex; align-items: flex-start; gap: var(--space-2);
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  background: rgba(0, 0, 238, 0.08); color: var(--color-primary); font-size: var(--fs-body-sm);
}
.demo svg { flex-shrink: 0; margin-top: 2px; }
.demo code { font-size: 13px; }

/* ---------- Tablet e mobile ---------- */
@media (max-width: 1023px) {
  /* Capa */
  .cover {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
    grid-template-areas: "media" "body" "stats" "toc" "foot";
  }
  .cover__head { grid-area: media; align-self: start; position: relative; z-index: var(--z-raised); padding: var(--space-5); }
  .cover__head .logo { font-size: 18px; }
  .cover__head .tag { background: var(--color-header); border-color: transparent; }
  .cover__media { height: min(520px, 68vh); }
  .cover__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0, 1, 3, 0.6) 0%, rgba(0, 1, 3, 0) 30%); }
  .cover__body { padding: var(--space-8) var(--space-5) 0; gap: var(--space-6); }
  .cover .display { font-size: clamp(40px, 11vw, 56px); }
  .cover__body .row { flex-direction: column; align-items: stretch; gap: var(--space-3); }
  .cover__body .row .muted { text-align: center; }
  .stats { max-width: none; margin: var(--space-6) var(--space-5) 0; padding: var(--space-5) 0; border-bottom: var(--border-hairline); }
  .stats dd { font-size: 32px; }
  .stats dt { font-size: 11px; }
  .toc { grid-area: toc; justify-self: stretch; width: auto; margin: var(--space-8) var(--space-5); padding: var(--space-6) var(--space-5); box-shadow: none; }
  .toc__row { padding: var(--space-3) 0; font-size: 15px; }
  .hide-sm { display: none; }
  .cover .foot { display: flex; grid-area: foot; }

  /* Capítulo */
  .topbar {
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
    position: sticky; top: 0; z-index: var(--z-sticky);
    height: 59px; padding: 3px var(--space-3) 0 var(--space-5);
    background: var(--color-header); border-bottom: var(--border-hairline);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  }
  .topbar .logo { font-size: 16px; }
  .topbar__meta { font-size: var(--fs-label); font-weight: var(--fw-semibold); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--color-text-secondary); white-space: nowrap; }
  .topbar__meta b { color: var(--color-primary-text); font-weight: var(--fw-semibold); }
  .side { display: none; }
  .layout { min-height: calc(100vh - 59px); }

  .opener { height: 400px; flex-direction: column; align-items: flex-start; justify-content: flex-end; gap: var(--space-3); padding: var(--space-5); }
  .opener img { object-position: var(--pos-m); }
  .opener__n { font-size: 150px; }
  .opener h1 { font-size: 36px; }

  .qs { max-width: 720px; margin: 0 auto; padding: var(--space-2) var(--space-5) 0; }
  .q { display: flex; flex-direction: column; gap: 14px; padding: var(--space-8) 0; scroll-margin-top: 76px; }
  .q__n { font-size: 22px; }
  .q__b { gap: 14px; }
  .q__t { font-size: 22px; line-height: 1.2; }
  .q__help { margin-top: 0; font-size: var(--fs-body-sm); }
  .contact { grid-template-columns: minmax(0, 1fr); }
  .ref { grid-template-columns: minmax(0, 1fr); gap: var(--space-2); padding: var(--space-4); border-radius: var(--radius-md); border: var(--border-hairline); background: var(--color-bg-tertiary); }
  .ref:focus-within { border-color: var(--color-primary); }
  .ref__n { width: auto; height: auto; justify-content: flex-start; border: 0; font-size: 13px; letter-spacing: var(--ls-label); text-transform: uppercase; }
  .sm-only { display: inline; }

  .pills { gap: var(--space-2); }
  .pill { height: 44px; padding: 0 var(--space-4); gap: 6px; font-size: 15px; }
  .pill-other { height: 44px; }
  .pill-other__inp { height: 36px; width: 160px; }

  .next { grid-template-columns: minmax(0, 1fr); margin-top: var(--space-2); }
  .next img { order: -1; height: 140px; }
  .next__body { padding: var(--space-6) var(--space-5); gap: var(--space-3); }
  .next__title { font-size: 30px; line-height: 1.05; letter-spacing: var(--ls-heading); }
  .next__go { width: 48px; height: 48px; }
  .chapter-foot { padding: var(--space-5) 0 var(--space-12); }

  .review { grid-template-columns: minmax(0, 1fr); gap: var(--space-5); padding: 28px var(--space-5); margin-top: var(--space-2); }
  .review__t { font-size: 36px; }
  .review__actions { flex-direction: column; }
  .review__actions .btn { width: 100%; }
  .review__list { order: 0; }

  .foot, .chapter > .foot { padding: var(--space-5); flex-direction: column; }

  /* Final */
  .done { grid-template-columns: minmax(0, 1fr); }
  .done__media { order: -1; height: 360px; }
  .done__fim { left: var(--space-5); bottom: var(--space-4); font-size: 120px; }
  .done { position: relative; }
  .done .logo { position: absolute; top: var(--space-5); left: var(--space-5); z-index: var(--z-raised); font-size: 18px; }
  .done__text { padding: var(--space-8) var(--space-5) var(--space-12); }
  .done__main { margin-block: 0; padding-block: 0; gap: var(--space-10); }
  .done .display { font-size: clamp(44px, 13vw, 64px); }
  .mats { grid-template-columns: minmax(0, 1fr); }
  .mats li:last-child { border-bottom: var(--border-inverse); }
  .row--btns { flex-direction: column; align-items: stretch; }
}

/* Tablet: título do capítulo e rodapé alinhados à coluna centralizada de perguntas */
@media (max-width: 1023px) {
  .chapter { --gutter-m: max(var(--space-5), calc((100% - 720px) / 2 + var(--space-5))); }
  .opener, .chapter > .foot { padding-left: var(--gutter-m); padding-right: var(--gutter-m); }
}

@media (max-width: 479px) {
  .pill .lg { display: none; }
  .pill .sm { display: inline; }
}

@media (min-width: 1024px) {
  .sheet { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}