/* ==========================================================================
   Bernal Editorial — corpo do site
   Estilos de cada seção da landing page. Depende de global.css.
   ========================================================================== */

/* clip (e não hidden) para não quebrar o header sticky */
.page {
  overflow-x: clip;
}

.section-title {
  font-weight: 400;
  font-size: clamp(36px, 4vw, 52px);
  line-height: 1.06;
  text-wrap: balance;
}

.section-title em {
  color: var(--color-accent);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* — Cabeçalho — */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: white;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-divider);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-block: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-text);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-text);
}

.brand__logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand__label {
  font-size: 18px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--color-accent-2);
}

.brand__name {
  font-family: var(--font-heading);
  font-size: 22px;
  line-height: 1;
  font-weight: 600;
}

.brand__name em {
  color: var(--color-accent);
  font-weight: 400;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  font-family: var(--font-heading);
  font-size: 17px;
}

.nav__link {
  color: var(--color-text);
  text-decoration: none;
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-accent);
}

/* — Hero — */
.hero {
  position: relative;
  padding-top: 56px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
  gap: 32px;
  align-items: end;
}

.hero__ghost {
  position: absolute;
  left: -40px;
  top: 54%;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 220px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px color-mix(in srgb, var(--color-accent) 22%, transparent);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.hero__content {
  position: relative;
  padding-bottom: 96px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__kicker::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--color-accent-2);
}

.hero__title {
  font-weight: 400;
  font-size: clamp(44px, 5.6vw, 72px);
  line-height: 1.04;
  letter-spacing: -.02em;
  text-wrap: balance;
}

.hero__title em {
  color: var(--color-accent);
}

.hero__lead {
  font-size: 18px;
  line-height: 1.65;
  max-width: 470px;
  color: var(--color-neutral-800);
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* A altura do arco acompanha a largura (unidades cqw), mantendo a proporção da foto em qualquer tela */
.hero__visual {
  position: relative;
  container-type: inline-size;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero__arch,
.hero__arch-frame {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.hero__arch {
  width: min(500px, 90cqw);
  height: calc(min(500px, 90cqw) * 1.32);
  border-radius: 250px 250px 0 0;
  overflow: hidden;
  /* mesmo tom do quadro branco da foto, para a faixa do topo se fundir à imagem */
  background: #dadadc;
}

/* foto inteira (sem cortar as laterais), apoiada na base do arco */
.hero__arch img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: 50% 100%;
  -webkit-mask-image: linear-gradient(to bottom, transparent 4%, #000 12%);
  mask-image: linear-gradient(to bottom, transparent 4%, #000 12%);
}

/* A moldura fica no fluxo e define a altura do bloco (com folga no topo para o selo) */
.hero__arch-frame {
  position: relative;
  left: auto;
  transform: none;
  margin-top: 32px;
  width: min(544px, 98cqw);
  height: calc(min(500px, 90cqw) * 1.32 + 48px);
  border-radius: 272px 272px 0 0;
  border: 1px solid var(--color-accent-2);
  border-bottom: 0;
}

.hero__seal {
  position: absolute;
  top: 70px;
  right: 0;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-accent-2);
  display: grid;
  place-items: center;
}

.hero__seal-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  animation: spin 40s linear infinite;
}

.hero__seal-ring text {
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: 3.1px;
  text-transform: uppercase;
  fill: var(--color-accent-2);
}

.hero__badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  font-family: var(--font-heading);
  font-size: 17px;
}

.hero__badge--right {
  right: 4%;
  bottom: 90px;
}

.badge-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid currentColor;
  display: grid;
  place-items: center;
  color: var(--color-accent);
}

.badge-icon--accent-2 {
  color: var(--color-accent-2);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* — Faixa de apresentação — */
.intro-band {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}

.intro-band__inner {
  padding-block: 36px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 24px 64px;
  align-items: center;
}

.intro-band__title {
  font-weight: 400;
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.15;
  text-wrap: balance;
}

.intro-band__text {
  font-size: 16px;
  line-height: 1.7;
}

/* — Livros — */
.books {
  padding-block: 104px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.book {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 64px;
  align-items: center;
}

.book__cover-wrap {
  display: flex;
  justify-content: center;
  padding-block: 24px;
}

/* Livro 3D — capa, páginas em branco e contracapa giram pela lombada (borda esquerda).
   A sequência abrir → folhear → fechar é animada em js/main.js. */
.book3d {
  --book-paper: #fbf8f1;
  --book-radius: 2px 6px 6px 2px;
  width: min(320px, 80%);
  aspect-ratio: 729 / 1165;
  perspective: 2000px;
}

.book3d__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transform: translateX(0%) scale(1) rotateX(0deg) rotate(-2deg);
}

.book3d__back,
.book3d__cover,
.book3d__page {
  position: absolute;
  transform-origin: left center;
  transform-style: preserve-3d;
}

.book3d__back,
.book3d__cover {
  inset: 0;
  border-radius: var(--book-radius);
}

/* A sombra fica só na contracapa: na capa ela giraria junto e apareceria como um bloco */
.book3d__back {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  box-shadow: var(--shadow-lg);
}

.book__cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--book-radius);
  backface-visibility: hidden;
}

/* Verso da capa (guarda) */
.book3d__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px 2px 2px 6px;
  background: linear-gradient(to left, color-mix(in srgb, var(--color-text) 14%, transparent), transparent 10%), var(--color-surface);
  transform: rotateY(180deg);
  backface-visibility: hidden;
}

/* Páginas: um pouco menores que a capa, com sombra junto à lombada */
.book3d__page {
  top: 1.5%;
  bottom: 1.5%;
  left: 0;
  width: 97%;
}

.book3d__page::before,
.book3d__page::after {
  content: "";
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

.book3d__page::before {
  border-radius: 0 3px 3px 0;
  background: linear-gradient(to right, color-mix(in srgb, var(--color-text) 12%, transparent), transparent 12%), var(--book-paper);
}

.book3d__page::after {
  border-radius: 3px 0 0 3px;
  background: linear-gradient(to left, color-mix(in srgb, var(--color-text) 12%, transparent), transparent 12%), var(--book-paper);
  transform: rotateY(180deg);
}

.book__info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.book__info .tag {
  align-self: flex-start;
}

.book__title {
  font-weight: 400;
  font-size: clamp(34px, 3.6vw, 48px);
  line-height: 1.05;
}

.book__tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--color-accent-2-700);
}

.book__text {
  font-size: 17px;
  line-height: 1.75;
}

.book__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.upcoming {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px 28px;
  border: 1px dashed var(--color-accent-2);
  border-radius: var(--radius-md);
}

.upcoming__mark {
  width: 48px;
  aspect-ratio: 2 / 3;
  border: 1px solid var(--color-accent-2);
  border-radius: 1px 3px 3px 1px;
  display: grid;
  place-items: center;
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--color-accent-2);
}

.upcoming__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.upcoming__body .kicker {
  font-size: 11px;
}

.upcoming__title {
  font-family: var(--font-heading);
  font-size: 24px;
}

.upcoming__text {
  font-size: 15px;
}

/* — Cursos — */
.courses {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.courses__inner {
  padding-block: 96px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.courses__head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  flex-wrap: wrap;
}

.courses__head .section-head {
  max-width: 640px;
}

.courses__lead {
  font-size: 17px;
  line-height: 1.65;
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 24px;
  align-items: stretch;
}

.courses__photo {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  object-position: 50% 20%;
}

.course-card {
  --card-color: var(--color-accent);
  --card-number: var(--color-accent-300);
  --card-rule: var(--color-accent-2);
  position: relative;
  padding: 40px 36px;
  border: 1px solid var(--card-color);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .3s ease, box-shadow .3s ease;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.course-card--alt {
  --card-color: var(--color-accent-2);
  --card-number: var(--color-accent-2-300);
  --card-rule: var(--color-accent);
}

.course-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-card__label {
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--card-color);
}

.course-card__number {
  font-family: var(--font-heading);
  font-size: 40px;
  line-height: 1;
  color: var(--card-number);
  font-feature-settings: 'tnum';
}

.course-card__title {
  font-weight: 400;
  font-size: 32px;
  line-height: 1.1;
}

.course-card__title em {
  color: var(--card-color);
}

.course-card .rule {
  background: var(--card-rule);
}

.course-card__text {
  font-size: 16px;
  line-height: 1.7;
}

/* — Sobre — */
.about {
  padding-block: 112px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 64px;
  align-items: start;
}

.about__photo {
  width: 100%;
  height: auto;
  aspect-ratio: 1038 / 1515;
  object-fit: cover;
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about__roles {
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.about__content>.rule {
  width: 64px;
}

.about__text {
  font-size: 16px;
  line-height: 1.75;
}

.about__note {
  margin-top: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--color-text);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about__note h3 {
  font-size: 22px;
}

.about__note p {
  font-size: 15px;
  line-height: 1.7;
}

/* — Bernal Editorial — */
.editorial {
  background: var(--color-accent-900);
  color: var(--color-on-dark);
}

.editorial__inner {
  padding-block: 104px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 64px;
  align-items: center;
}

.editorial__logo-wrap {
  display: flex;
  justify-content: center;
}

.editorial__logo {
  width: min(340px, 80%);
  height: auto;
  filter: invert(1);
}

.editorial__content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.editorial__content .kicker {
  font-size: 11px;
  color: var(--color-accent-2-300);
}

.editorial__title {
  font-weight: 400;
  font-size: clamp(38px, 4.4vw, 56px);
  line-height: 1.04;
}

.editorial__text {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-on-dark-muted);
}

.editorial__note {
  padding-top: 18px;
  border-top: 1px solid color-mix(in srgb, var(--color-on-dark) 25%, transparent);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.editorial__note h3 {
  font-style: italic;
  font-weight: 400;
  font-size: 24px;
  color: var(--color-accent-2-300);
}

.editorial__note p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-on-dark-muted);
}

.editorial .btn-secondary {
  align-self: flex-start;
  color: var(--color-on-dark);
  border-color: var(--color-accent-2-300);
}

.editorial .btn-secondary:hover {
  background: color-mix(in srgb, var(--color-on-dark) 10%, transparent);
}

/* — Contato — */
.contact {
  padding-block: 112px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact__lead {
  font-size: 17px;
}

.contact-box {
  position: relative;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 48px;
}

.contact-box::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.contact-box__info {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-box__intro {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-box__title {
  font-weight: 400;
  font-size: clamp(32px, 3.4vw, 44px);
}

.contact-box__title em {
  color: var(--color-accent);
}

.contact-box__text {
  font-size: 16px;
  line-height: 1.7;
}

.contact-box__details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  border-top: 1px solid var(--color-divider);
  padding-top: 24px;
}

.contact-box__details>div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-box__brand {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
}

.contact-box__small {
  font-size: 14px;
  line-height: 1.6;
}

.contact-box__details .kicker {
  font-size: 11px;
  letter-spacing: .22em;
}

.contact-box__roles {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 18px;
}

.contact-form {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-form__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.contact-form .btn-block {
  font-size: 17px;
  padding: 13px;
}

.contact-success {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  padding: 24px;
  border-left: 1px solid var(--color-accent);
}

.contact-success h3 {
  font-weight: 400;
  font-size: 30px;
}

.contact-success p {
  font-size: 15px;
}

[hidden] {
  display: none !important;
}

/* — Rodapé — */
.site-footer {
  border-top: 1px solid var(--color-divider);
}

.site-footer__inner {
  padding-block: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-neutral-700);
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-footer__brand .brand__label {
  font-size: 10px;
}

.site-footer__brand .brand__name {
  font-size: 20px;
  font-weight: 400;
  color: var(--color-text);
}

/* — Animação de entrada — */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__seal-ring {
    animation: none;
  }
}

/* — Responsivo — */
@media (max-width: 900px) {
  .hero__content {
    padding-bottom: 24px;
  }

  .hero__ghost {
    font-size: 140px;
    top: 40%;
  }
}

@media (max-width: 640px) {
  .nav {
    justify-content: center;
  }

  .nav__links {
    gap: 18px;
    justify-content: center;
    font-size: 16px;
  }

  .hero {
    padding-top: 40px;
  }

  .hero__seal {
    width: 104px;
    height: 104px;
    top: 20px;
  }

  .hero__badge {
    font-size: 15px;
    padding: 8px 12px 8px 8px;
  }

  .hero__badge--right {
    right: 0;
    bottom: 60px;
  }

  .books,
  .about,
  .contact {
    padding-block: 72px;
  }

  .courses__inner,
  .editorial__inner {
    padding-block: 72px;
  }

  .upcoming {
    grid-template-columns: auto 1fr;
    padding: 20px;
  }

  .upcoming .btn {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .course-card {
    padding: 32px 24px;
  }
}