/* ============================================================================
   Nox · direção Roteiro
   O rolo horizontal do Roteiro, vestido com o tema cósmico do app (DEC-019):
   céu noturno, Instrument Serif + Source Sans 3, estrela de quatro pontas.
   Um único acento quente marca só o estado ativo (capítulo, ritmo, CTA).
   ========================================================================== */

@font-face {
  font-family: "Source Sans 3";
  src: url("./vendor/fonts/source-sans-3-latin-300-normal.woff2") format("woff2");
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("./vendor/fonts/source-sans-3-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("./vendor/fonts/source-sans-3-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("./vendor/fonts/source-sans-3-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Instrument";
  src: url("./vendor/fonts/instrument-serif-latin-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Paleta do app (AppColors) */
  --night-0: #080a1a;
  --night-1: #12152b;
  --night-2: #1e2447;
  --primary: #5b6cb0;
  --accent: #8fa0d9;
  --text: #f2f3fa;
  --muted: #aeb4d0;
  --faint: #6f76a0;
  --star: #f4f1e8;
  --star-glow: #bfc9f2;
  --line: rgba(143, 160, 217, 0.18);
  --line-strong: rgba(143, 160, 217, 0.36);
  --glass: linear-gradient(160deg, rgba(34, 41, 82, 0.92), rgba(20, 24, 50, 0.92));
  --warm: #f0c98c;
  --success: #6ba88e;

  --font-serif: "Instrument", "Times New Roman", serif;
  --font-sans: "Source Sans 3", ui-sans-serif, system-ui, -apple-system, sans-serif;

  --header-h: 72px;
  --radius: 20px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shell: min(1180px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  background: var(--night-0);
  overscroll-behavior: none;
}

body.nx {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--night-0);
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

::selection {
  background: rgba(91, 108, 176, 0.45);
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--warm);
  outline-offset: 3px;
  border-radius: 6px;
}

em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.nx-shell {
  width: var(--shell);
  margin-inline: auto;
}

.nx-skip {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--text);
  color: var(--night-0);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}
.nx-skip:focus {
  top: 16px;
}

/* --------------------------------------------------------------- céu */

.nx-sky {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(120% 80% at 50% -10%, var(--night-2) 0%, var(--night-1) 45%, var(--night-0) 100%);
}
.nx-sky__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.28;
}
.nx-sky__glow--a {
  width: 560px;
  height: 460px;
  top: 10%;
  left: -10%;
  background: #3a2f5c;
}
.nx-sky__glow--b {
  width: 520px;
  height: 420px;
  bottom: -5%;
  right: -10%;
  background: #224a3d;
  opacity: 0.22;
}
.nx-sky__stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

main,
.nx-footer {
  position: relative;
  z-index: 1;
}

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

.nx-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  /* Sem backdrop-filter: desfocar o conteúdo que rola embaixo a cada frame
     fazia o cabeçalho piscar. Um degradê opaco resolve sem custo. */
  background: linear-gradient(to bottom, rgba(8, 10, 26, 0.96) 0%, rgba(8, 10, 26, 0.82) 60%, rgba(8, 10, 26, 0) 100%);
}

.nx-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.nx-brand__star {
  width: 18px;
  height: 18px;
  fill: var(--star);
  filter: drop-shadow(0 0 6px rgba(191, 201, 242, 0.6));
}
.nx-brand__word {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--text);
}
.nx-brand__word em {
  color: var(--accent);
}

.nx-header__chapter {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
  opacity: 0;
  transition: opacity 0.4s;
}
.nx-header__chapter.is-live {
  opacity: 1;
}
.nx-header__chapter [data-chapter-name] {
  color: var(--warm);
}

.nx-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nx-nav a:not(.nx-btn) {
  font-size: 0.92rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s;
}
.nx-nav a:not(.nx-btn):hover {
  color: var(--text);
}

/* ----------------------------------------------------------- botões */

.nx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--star);
  color: var(--night-0);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.3s;
  box-shadow: 0 0 0 0 rgba(240, 201, 140, 0);
}
.nx-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px -10px rgba(240, 201, 140, 0.55);
}
.nx-btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.nx-btn--ghost:hover {
  border-color: var(--accent);
  box-shadow: 0 10px 40px -14px rgba(143, 160, 217, 0.5);
}
.nx-btn--small {
  min-height: 40px;
  padding: 0 18px;
  font-size: 0.88rem;
}

/* ------------------------------------------------------- tipografia */

.nx-eyebrow {
  margin: 0 0 18px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.nx-display,
.nx-title,
.nx-chapter__title,
.nx-feature h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0;
}

.nx-display {
  font-size: clamp(3.2rem, 7.4vw, 6.6rem);
  line-height: 0.98;
}
.nx-title {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.02;
  max-width: 20ch;
}
.nx-title--small {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
}

/* As máscaras do split cortam descendentes de serifas com leading curto. */
[data-split] .vk-split__mask {
  padding-bottom: 0.14em;
  margin-bottom: -0.14em;
}

.nx-lead {
  margin: 22px 0 0;
  max-width: 34ch;
  font-size: clamp(1.08rem, 1.5vw, 1.28rem);
  font-weight: 300;
  color: var(--muted);
}

.nx-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}

.nx-card {
  /* Sem backdrop-filter: dentro de pais com opacidade e rotação animadas,
     o desfoque trocava de base a cada frame e a tela piscava. */
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.8);
}

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

.nx-hero {
  position: relative;
  min-height: 100vh;
  width: var(--shell);
  margin-inline: auto;
  padding: calc(var(--header-h) + 48px) 0 120px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.nx-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.nx-hero__device {
  display: flex;
  justify-content: center;
}

.nx-phone {
  position: relative;
  width: min(320px, 78vw);
  aspect-ratio: 9 / 19;
  border-radius: 46px;
  padding: 12px;
  background: linear-gradient(160deg, #262c55, #0d1024);
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04) inset, 0 60px 120px -40px rgba(91, 108, 176, 0.55);
  will-change: transform;
}
.nx-phone__notch {
  position: absolute;
  top: 22px;
  left: 50%;
  width: 92px;
  height: 24px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #05060f;
  z-index: 2;
}
.nx-phone__screen {
  height: 100%;
  border-radius: 36px;
  padding: 64px 20px 20px;
  background: radial-gradient(120% 70% at 50% 0%, var(--night-2), var(--night-0) 80%);
  overflow: hidden;
}
.nx-phone__step {
  display: flex;
  gap: 6px;
  margin: 0 0 22px;
}
.nx-phone__step span {
  height: 3px;
  flex: 1;
  border-radius: 3px;
  background: var(--line);
}
.nx-phone__step span.on {
  background: var(--accent);
}
.nx-phone__q {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.7rem;
  line-height: 1.05;
}
.nx-phone__hint {
  margin: 8px 0 18px;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}
.nx-options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.nx-options li {
  display: flex;
  flex-direction: column;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(30, 36, 71, 0.45);
}
.nx-options b {
  font-weight: 600;
  font-size: 0.92rem;
}
.nx-options span {
  font-size: 0.74rem;
  color: var(--faint);
}
.nx-options li.is-on {
  border-color: var(--warm);
  box-shadow: 0 0 24px -8px rgba(240, 201, 140, 0.6);
}

.nx-cycle {
  position: absolute;
  left: 50%;
  bottom: 28px;
  width: 100vw;
  transform: translateX(-50%);
  border-block: 1px solid var(--line);
  padding: 14px 0;
  --marquee-duration: 40s;
}
.nx-cycle span {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--muted);
}
.nx-cycle i {
  display: inline-block;
  width: 8px;
  height: 8px;
  align-self: center;
  background: var(--star-glow);
  clip-path: polygon(50% 0, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0 50%, 39% 39%);
  opacity: 0.7;
}

/* ----------------------------------------------------------- problema */

.nx-problem {
  padding: 140px 0 160px;
}
.nx-problem__list {
  list-style: none;
  margin: 64px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  perspective: 1200px;
}
.nx-problem__item {
  position: relative;
  padding: 28px 26px 30px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(18, 21, 43, 0.6);
  font-size: 1.2rem;
  color: var(--muted);
  transform-origin: center left;
  will-change: transform;
}
.nx-problem__item::after {
  content: "";
  position: absolute;
  left: 26px;
  right: 26px;
  top: 50%;
  height: 1px;
  background: rgba(201, 138, 122, 0.55);
  transform: scaleX(var(--strike, 0));
  transform-origin: left;
}
.nx-num {
  display: block;
  margin-bottom: 18px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--faint);
}

/* ------------------------------------------------------- rolo do dia */

.nx-reel {
  position: relative;
  /* 440vh: cerca de 15% menos scroll por troca do que a primeira versão. */
  height: 440vh;
  --rail-x: max(24px, calc((100vw - 1180px) / 2));
  --edge: calc(var(--rail-x) + 150px);
}
.nx-reel__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: calc(var(--header-h) + 16px) 0 32px;
  /* Título e capítulos formam um bloco só, centrado na altura da tela. */
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(28px, 5vh, 64px);
  overflow: hidden;
}
.nx-reel__head .nx-eyebrow {
  margin-bottom: 10px;
}
.nx-reel__head .nx-title {
  max-width: none;
}

.nx-reel__viewport {
  position: relative;
  min-width: 0;
}
.nx-reel__clip {
  /* O capítulo que sai se apaga antes de alcançar o trilho. */
  -webkit-mask-image: linear-gradient(90deg, transparent var(--edge), #000 calc(var(--edge) + 56px));
  mask-image: linear-gradient(90deg, transparent var(--edge), #000 calc(var(--edge) + 56px));
}
.nx-reel__track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 calc(var(--edge) + 64px);
  display: flex;
  gap: 6vw;
  will-change: transform;
}

.nx-chapter {
  flex: none;
  width: min(1040px, 74vw);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
  opacity: var(--focus, 1);
}
.nx-chapter__num {
  margin: 0 0 18px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
}
.nx-chapter__title {
  font-size: clamp(2.6rem, 4.4vw, 4.2rem);
  line-height: 1.02;
}
.nx-chapter__text p:not(.nx-chapter__num) {
  margin: 22px 0 0;
  max-width: 36ch;
  font-size: clamp(1.1rem, 1.4vw, 1.3rem);
  font-weight: 300;
  color: var(--muted);
}
.nx-chapter__art {
  display: flex;
  justify-content: center;
}

/* Trilho de capítulos, à esquerda dos capítulos */
.nx-rail {
  position: absolute;
  left: var(--rail-x);
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: grid;
  gap: 30px;
  padding-left: 26px;
  --p: 0;
}
.nx-rail__track {
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line-strong);
}
.nx-rail__fill {
  width: 100%;
  height: calc(var(--p) * 100%);
  background: linear-gradient(to bottom, var(--accent), var(--warm));
}
.nx-rail button {
  all: unset;
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: -26px;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  transition: color 0.4s;
}
.nx-rail button svg {
  width: 17px;
  height: 17px;
  fill: var(--faint);
  transition: fill 0.4s, transform 0.4s var(--ease);
}
.nx-rail button:hover {
  color: var(--muted);
}
.nx-rail button.is-active {
  color: var(--text);
}
.nx-rail button.is-active svg {
  fill: var(--warm);
  transform: scale(1.3);
}
.nx-rail button.is-done svg {
  fill: var(--accent);
}
.nx-rail button:focus-visible {
  outline: 2px solid var(--warm);
  outline-offset: 4px;
}

/* Artes dos capítulos */
.nx-questions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  width: min(440px, 100%);
}
.nx-questions li {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--glass);
  font-family: var(--font-serif);
  font-size: 1.5rem;
}
.nx-questions li:nth-child(odd) {
  transform: translateX(-14px);
}
.nx-questions li:first-child {
  border-color: var(--warm);
}

.nx-synth {
  position: relative;
  width: min(440px, 100%);
  padding: 34px 30px 30px;
  display: grid;
  gap: 12px;
}
.nx-synth__star {
  width: 30px;
  height: 30px;
  fill: var(--star);
  filter: drop-shadow(0 0 10px rgba(191, 201, 242, 0.8));
  margin-bottom: 8px;
}
.nx-synth__label {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.6rem;
}
.nx-synth__line {
  height: 10px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(143, 160, 217, 0.28), rgba(143, 160, 217, 0.08));
}
.nx-synth__line--short {
  width: 62%;
}
.nx-synth__cta {
  justify-self: start;
  margin-top: 14px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--star);
  color: var(--night-0);
  font-size: 0.86rem;
  font-weight: 600;
}

.nx-rhythm {
  width: min(440px, 100%);
  padding: 28px;
}
.nx-rhythm__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.nx-rhythm__list li {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}
.nx-rhythm__list li.is-on {
  border-color: var(--warm);
  color: var(--text);
  background: rgba(240, 201, 140, 0.1);
  box-shadow: 0 0 30px -10px rgba(240, 201, 140, 0.7);
}

.nx-plan {
  width: min(440px, 100%);
  padding: 28px;
  display: grid;
  gap: 10px;
}
.nx-plan .nx-label:not(:first-child) {
  margin-top: 12px;
}
.nx-plan__main {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--warm);
}
.nx-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--warm);
  flex: none;
}
.nx-bar {
  height: 10px;
  flex: 1;
  border-radius: 6px;
  background: rgba(242, 243, 250, 0.22);
}
.nx-plan__hint {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}
.nx-quota {
  position: relative;
  margin-top: 4px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 14px;
  font-size: 0.82rem;
}
.nx-quota__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 10%;
  background: rgba(107, 168, 142, 0.35);
}
.nx-quota b {
  position: relative;
  font-weight: 600;
}

.nx-week {
  margin: 0;
  width: min(460px, 100%);
  padding: 24px 22px 18px;
}
.nx-week svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 10px;
}
.nx-week__line {
  fill: none;
  stroke: var(--primary);
  stroke-width: 1.2;
  stroke-dasharray: 100;
  stroke-dashoffset: var(--draw, 0);
  opacity: 0.7;
}
.nx-week__star {
  fill: var(--star);
  filter: drop-shadow(0 0 6px rgba(191, 201, 242, 0.85));
}
.nx-week text {
  fill: var(--faint);
  font-family: var(--font-sans);
  font-size: 12px;
  text-anchor: middle;
}

/* -------------------------------------------------------- entregáveis */

.nx-features {
  padding: 160px 0 140px;
}
.nx-features__grid {
  list-style: none;
  margin: 64px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  perspective: 1400px;
}
.nx-feature {
  padding: 28px 24px 30px;
  transform-origin: left center;
  will-change: transform, opacity;
}
.nx-feature svg {
  width: 20px;
  height: 20px;
  fill: var(--accent);
  margin-bottom: 22px;
}
.nx-feature h3 {
  font-size: 1.6rem;
  line-height: 1.1;
}
.nx-feature p {
  margin: 12px 0 0;
  font-size: 0.98rem;
  font-weight: 300;
  color: var(--muted);
}

/* -------------------------------------------------------------- FAQ */

.nx-faq {
  padding: 120px 0;
}
.nx-faq__inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: start;
}
.nx-faq__head {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}
.nx-faq__item {
  border-bottom: 1px solid var(--line);
}
.nx-faq__item h3 {
  margin: 0;
}
.nx-faq__item button {
  all: unset;
  box-sizing: border-box;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 26px 0;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2vw, 1.65rem);
  line-height: 1.2;
}
.nx-faq__item button span {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}
.nx-faq__item button span::before,
.nx-faq__item button span::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transition: transform 0.4s var(--ease);
}
.nx-faq__item button span::after {
  transform: rotate(90deg);
}
.nx-faq__item button[aria-expanded="true"] span::after {
  transform: rotate(0deg);
}
.nx-faq__item button:focus-visible {
  outline: 2px solid var(--warm);
  outline-offset: 4px;
}
/* Sem JS as respostas ficam abertas; o runtime marca <html> com .vk-ready. */
.vk-ready .nx-faq__panel {
  overflow: hidden;
  height: 0;
  transition: height 0.5s var(--ease);
}
.nx-faq__panel p {
  margin: 0;
  padding: 0 40px 28px 0;
  font-weight: 300;
  color: var(--muted);
}

/* -------------------------------------------------------- CTA final */

.nx-cta {
  padding: 160px 0 180px;
  text-align: center;
}
.nx-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.nx-cta__star {
  width: 56px;
  height: 56px;
  fill: var(--star);
  margin-bottom: 36px;
  filter: drop-shadow(0 0 22px rgba(191, 201, 242, 0.9));
  animation: nx-breathe 6s ease-in-out infinite;
}
.nx-display--cta {
  max-width: 14ch;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
}
.nx-cta .nx-lead {
  margin-inline: auto;
}
.nx-cta .nx-btn {
  margin-top: 36px;
}
.nx-soon {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  margin: 36px 0 0;
  padding: 0 28px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  font-weight: 600;
}

@keyframes nx-breathe {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.85;
  }
  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

/* ----------------------------------------------------------- rodapé */

.nx-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 56px;
  font-size: 0.9rem;
  color: var(--faint);
}
.nx-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px 32px;
}
.nx-footer__inner > p {
  margin: 0;
}
.nx-footer__links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 0;
  padding: 0;
}
.nx-footer__links a {
  color: var(--muted);
  text-decoration: none;
}
.nx-footer__links a:hover {
  color: var(--text);
}
.nx-footer__maker {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}
.nx-footer__maker a {
  color: inherit;
}

/* --------------------------------------------- versão estática do rolo
   O <html> nasce com .nx-static-reel; o script só a remove em tela larga e
   com movimento liberado. Abaixo de 900px, sem JS ou com movimento reduzido,
   o rolo vira lista vertical e nenhum capítulo depende do scroll horizontal. */

.nx-static-reel .nx-reel {
  height: auto;
}
.nx-static-reel .nx-reel__stage {
  position: relative;
  height: auto;
  padding-top: 24px;
  overflow: visible;
}
.nx-static-reel .nx-rail {
  display: none;
}
.nx-static-reel .nx-reel__clip {
  -webkit-mask-image: none;
  mask-image: none;
}
.nx-static-reel .nx-reel__track {
  flex-direction: column;
  gap: 96px;
  padding: 64px 0 120px;
  width: var(--shell);
  margin-inline: auto;
  transform: none !important;
}
.nx-static-reel .nx-chapter {
  width: 100%;
  margin-right: 0;
  opacity: 1;
}

@media (max-width: 900px) {
  :root {
    --header-h: 64px;
    --shell: calc(100vw - 32px);
  }
  body.nx {
    font-size: 17px;
  }
  .nx-header__chapter,
  .nx-nav a:not(.nx-btn) {
    display: none;
  }
  .nx-hero {
    grid-template-columns: 1fr;
    padding-top: calc(var(--header-h) + 40px);
    padding-bottom: 140px;
    gap: 56px;
  }
  .nx-problem__list,
  .nx-features__grid {
    grid-template-columns: 1fr;
  }
  .nx-chapter {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .nx-chapter__art {
    justify-content: flex-start;
  }
  .nx-questions li:nth-child(odd) {
    transform: none;
  }
  .nx-faq__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .nx-faq__head {
    position: static;
  }
  .nx-footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 600px) and (max-width: 900px) {
  .nx-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nx-cta__star {
    animation: none;
  }
}