/* ==========================================================================
   Components
   ========================================================================== */

/* ---- Media frame / placeholder system -----------------------------------
   Enquanto as imagens reais (Google Drive) não chegam a assets/, o <img>
   falha silenciosamente (onerror="this.remove()") e este fundo assume o
   lugar — sem parecer "quebrado". Basta o usuário salvar o arquivo com o
   nome esperado (ver assets/README.md) para a foto real aparecer.
---------------------------------------------------------------------------*/
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 2px;
  background: linear-gradient(150deg, var(--color-bg-alt) 0%, var(--color-beige-detail) 150%);
  aspect-ratio: 4 / 5;
}

.media-frame::after {
  content: attr(data-placeholder-label);
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
  font-size: var(--fs-small);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-taupe);
  opacity: 0.55;
}

.media-frame img,
.media-frame picture {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame picture img {
  position: static;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--tall {
  aspect-ratio: 3 / 4;
}

.media-frame--wide {
  aspect-ratio: 16 / 9;
}

.media-frame--square {
  aspect-ratio: 1 / 1;
}

/* ---- Header / Nav ---------------------------------------------------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding-block: 1.5rem;
  transition: padding var(--duration-base) var(--ease-premium),
    background-color var(--duration-base) var(--ease-premium),
    box-shadow var(--duration-base) var(--ease-premium);
}

.site-header.is-scrolled {
  padding-block: 0.9rem;
  background: rgba(var(--color-bg-rgb), 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px -18px rgba(var(--color-ink-rgb), 0.25);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo__mark {
  height: 52px;
  width: auto;
  /* Sem placa/fundo atrás — uma sombra suave garante contraste sobre a foto do Hero */
  filter: drop-shadow(0 2px 10px rgba(var(--color-ink-rgb), 0.35));
  transition: height var(--duration-base) var(--ease-premium);
}

.site-header.is-scrolled .logo__mark {
  height: 40px;
  filter: none;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.primary-nav ul {
  display: flex;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}

.primary-nav ul a {
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-on-ink);
  padding-block: 0.25rem;
}

.site-header.is-scrolled .primary-nav ul a {
  color: var(--color-ink-soft);
}

.primary-nav ul a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: currentColor;
  transition: width var(--duration-fast) var(--ease-premium);
}

.primary-nav ul a:hover::after,
.primary-nav ul a:focus-visible::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 0.5rem;
  z-index: 110;
}

.nav-toggle__bar {
  width: 22px;
  height: 1.5px;
  background: var(--color-on-ink);
  transition: transform var(--duration-fast) var(--ease-premium), background var(--duration-fast);
}

.site-header.is-scrolled .nav-toggle__bar {
  background: var(--color-ink);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    inset: 0;
    z-index: 105;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    background: var(--color-ink);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--duration-base) var(--ease-premium),
      transform var(--duration-base) var(--ease-premium),
      visibility var(--duration-base);
  }

  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .primary-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1.75rem;
  }

  .primary-nav ul a {
    font-size: 1.375rem;
    color: var(--color-on-ink);
  }

  .site-header.is-scrolled .primary-nav ul a {
    color: var(--color-on-ink);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar {
    background: var(--color-on-ink);
  }

  /* O overlay do menu já é preto sólido — um botão preto sobre ele fica sem
     contorno visível. Invertido (claro/escuro), continua sólido e sem
     transparência, só que legível como botão também aqui. */
  .primary-nav .btn--primary {
    background: var(--color-on-ink);
    color: var(--color-ink);
    border-color: var(--color-on-ink);
    padding: 1rem 2.25rem;
    font-size: 1rem;
  }

  .primary-nav .btn--primary:hover,
  .primary-nav .btn--primary:focus-visible {
    background: var(--color-taupe);
    color: var(--color-on-ink);
    border-color: var(--color-taupe);
  }
}

/* ---- Buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.9rem 1.9rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 2px;
  transition: background-color var(--duration-fast) var(--ease-premium),
    color var(--duration-fast) var(--ease-premium),
    border-color var(--duration-fast) var(--ease-premium),
    transform var(--duration-fast) var(--ease-premium);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--color-ink);
  color: var(--color-on-ink);
  border: 1px solid var(--color-ink);
}

.btn--primary:hover {
  background: var(--color-taupe);
  border-color: var(--color-taupe);
}

.btn--primary:focus-visible {
  color: var(--color-on-ink);
}

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-line);
}

.btn--outline:hover {
  border-color: var(--color-taupe);
  color: var(--color-taupe);
}

.btn--ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn--on-dark {
  color: var(--color-on-ink);
}

.btn--small {
  padding: 0.6rem 1.3rem;
  font-size: 0.8125rem;
}

.btn--large {
  padding: 1.15rem 2.5rem;
  font-size: 1rem;
}

/* ---- Hero ---------------------------------------------------------------*/
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--color-on-ink);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  aspect-ratio: auto;
  border-radius: 0;
  will-change: transform;
}

.hero__media::after {
  font-size: 0.875rem;
}

.hero__vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: radial-gradient(120% 90% at 50% 45%, transparent 45%, rgba(var(--color-ink-rgb), 0.4) 100%);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  /* Overlay escuro ~45-60% conforme solicitado, mais denso na base para o texto */
  background: linear-gradient(
    to top,
    rgba(var(--color-ink-rgb), 0.6) 0%,
    rgba(var(--color-ink-rgb), 0.46) 50%,
    rgba(var(--color-ink-rgb), 0.5) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
  max-width: 920px;
}

.eyebrow--on-dark {
  color: var(--color-beige-detail);
}

.eyebrow--on-dark::before {
  background: var(--color-beige-detail);
}

.hero__title {
  font-size: var(--fs-hero);
  max-width: 15ch;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: var(--fs-lead);
  color: var(--color-on-ink-soft);
  max-width: 44ch;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-on-ink-soft);
}

.scroll-indicator__line {
  width: 1px;
  height: 44px;
  background: var(--color-on-ink-soft);
  overflow: hidden;
  position: relative;
}

.scroll-indicator__line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-on-ink);
  animation: scroll-pulse 2.2s var(--ease-premium) infinite;
}

.scroll-indicator__label {
  font-size: var(--fs-small);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* ---- Sobre — composição premium (moldura + conteúdo) ---------------------*/
.about-frame {
  position: relative;
  padding: clamp(1.25rem, 2.5vw, 1.75rem) 0 0 clamp(1.25rem, 2.5vw, 1.75rem);
}

.about-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-taupe-soft);
  z-index: 0;
}

.about-frame .media-frame {
  position: relative;
  z-index: 1;
}

.about-content {
  position: relative;
}

.about-content__mark {
  display: block;
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-beige-detail);
  margin-bottom: -1.5rem;
  margin-left: -0.25rem;
}

.signature {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.signature__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-ink);
}

.signature__role {
  font-size: 0.875rem;
  color: var(--color-taupe);
}

/* ---- Cards de diferenciais ----------------------------------------------*/
.card-diff {
  padding: 2rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 2px;
  transition: transform var(--duration-base) var(--ease-premium),
    box-shadow var(--duration-base) var(--ease-premium),
    border-color var(--duration-base) var(--ease-premium);
}

.card-diff:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
  border-color: var(--color-taupe-soft);
}

.card-diff__icon {
  display: inline-flex;
  color: var(--color-taupe);
  margin-bottom: 1.5rem;
  transition: color var(--duration-fast) var(--ease-premium);
}

.card-diff__icon svg {
  width: 36px;
  height: 36px;
}

.card-diff h3 {
  font-size: 1.125rem;
  margin-bottom: 0.6rem;
}

.card-diff p {
  color: var(--color-ink-soft);
  font-size: 0.9375rem;
}

/* ---- Serviços — blocos de categoria --------------------------------------
   01 Projeto: bloco editorial (título + descrição), sem marcadores — os
   próprios itens usam borda superior como separador discreto.
   02 Acompanhamento: split media+conteúdo, reaproveitando .split existente.
---------------------------------------------------------------------------*/
.service-category--split {
  padding-top: clamp(3rem, 7vw, 5rem);
  margin-top: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid var(--color-line);
}

.service-category__head {
  max-width: 46ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.service-list {
  border-top: 1px solid var(--color-line);
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.service-list__item {
  padding-block: clamp(1.75rem, 3.5vw, 2.25rem);
  border-bottom: 1px solid var(--color-line);
  display: grid;
  gap: 0.5rem;
}

.service-list__item h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.25rem;
}

.service-list__item p {
  color: var(--color-ink-soft);
  max-width: 52ch;
}

@media (min-width: 768px) {
  .service-list__item {
    grid-template-columns: minmax(0, 15rem) 1fr;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: baseline;
  }
}

/* ---- Timeline "Como funciona" -------------------------------------------*/
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem 2rem;
  position: relative;
}

.timeline__step {
  position: relative;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
}

.timeline__number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--color-taupe-soft);
  margin-bottom: 0.75rem;
}

.timeline__step h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.timeline__step p {
  color: var(--color-ink-soft);
  font-size: 0.9375rem;
  max-width: 32ch;
}

@media (min-width: 768px) {
  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1100px) {
  .timeline {
    grid-template-columns: repeat(6, 1fr);
  }

  .timeline__step {
    padding-top: 2rem;
  }

  .timeline__step::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    height: 1px;
    width: 0;
    background: var(--color-taupe);
    transition: width 900ms var(--ease-premium);
  }

  .timeline__step.is-visible::before {
    width: 100%;
  }
}

/* ---- Portfólio ------------------------------------------------------- */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.filter-btn {
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
  padding-bottom: 0.4rem;
  transition: color var(--duration-fast) var(--ease-premium);
}

.filter-btn::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--color-taupe);
  transition: width var(--duration-fast) var(--ease-premium);
}

.filter-btn:hover,
.filter-btn:focus-visible {
  color: var(--color-ink);
}

.filter-btn.is-active {
  color: var(--color-ink);
  font-weight: 500;
}

.filter-btn.is-active::after {
  width: 100%;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-item {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 2px;
}

.portfolio-item .media-frame {
  /* Cartão único para toda a grade — todas as fotos reais nascem em 16:9
     (ou muito perto disso), então uma só proporção mantém altura
     equilibrada entre os cartões, sem mosaico irregular nem buracos. */
  aspect-ratio: 16 / 9;
}

.portfolio-item.is-hidden {
  display: none;
}

.portfolio-item img {
  transition: transform var(--duration-slow) var(--ease-premium);
}

.portfolio-item:hover img,
.portfolio-item:focus-visible img {
  transform: scale(1.06);
}

.portfolio-item__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem 1.25rem;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  color: var(--color-on-ink);
  background: linear-gradient(to top, rgba(var(--color-ink-rgb), 0.65), transparent);
  transform: translateY(100%);
  transition: transform var(--duration-base) var(--ease-premium);
  text-align: left;
}

.portfolio-item:hover .portfolio-item__caption,
.portfolio-item:focus-visible .portfolio-item__caption {
  transform: translateY(0);
}

/* ---- Lightbox ---------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-premium);
}

.lightbox[hidden] {
  display: none;
}

.lightbox.is-open {
  opacity: 1;
}

.lightbox.is-open .lightbox__dialog {
  transform: scale(1);
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(var(--color-ink-rgb), 0.92);
  backdrop-filter: blur(6px);
}

.lightbox__dialog {
  position: relative;
  z-index: 1;
  max-width: min(90vw, 1100px);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.96);
  transition: transform var(--duration-base) var(--ease-premium);
}

.lightbox__image {
  max-width: 100%;
  max-height: 76vh;
  object-fit: contain;
  border-radius: 2px;
}

.lightbox__caption {
  margin-top: 1rem;
  color: var(--color-on-ink-soft);
  font-size: 0.9375rem;
}

.lightbox__close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-on-ink);
}

@media (min-width: 768px) {
  .lightbox__close {
    top: -3rem;
    right: -1rem;
  }
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
  color: var(--color-on-ink);
  padding: 0.5rem 1rem;
  transition: color var(--duration-fast);
}

.lightbox__nav:hover {
  color: var(--color-taupe-soft);
}

.lightbox__nav--prev {
  left: -1rem;
}

.lightbox__nav--next {
  right: -1rem;
}

@media (min-width: 768px) {
  .lightbox__nav--prev {
    left: -4rem;
  }

  .lightbox__nav--next {
    right: -4rem;
  }
}

/* ---- FAQ Accordion ------------------------------------------------------*/
.accordion {
  max-width: 800px;
  margin-inline: auto;
  border-top: 1px solid var(--color-line);
}

.accordion__item {
  border-bottom: 1px solid var(--color-line);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.125rem;
}

.accordion__icon {
  position: relative;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--color-taupe);
  transition: transform var(--duration-fast) var(--ease-premium);
}

.accordion__icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

.accordion__icon::after {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-base) var(--ease-premium);
}

.accordion__panel.is-open {
  grid-template-rows: 1fr;
}

.accordion__panel-inner {
  overflow: hidden;
}

.accordion__panel-inner p {
  padding-bottom: 1.5rem;
  color: var(--color-ink-soft);
  max-width: 60ch;
}

/* ---- CTA Final -----------------------------------------------------------*/
.cta-final__inner {
  text-align: center;
  max-width: 700px;
}

.cta-final h2 {
  font-size: var(--fs-h2);
  margin-bottom: 1.25rem;
}

.cta-final p {
  color: var(--color-on-ink-soft);
  font-size: var(--fs-lead);
  margin-bottom: 2.5rem;
}

/* ---- Footer ---------------------------------------------------------- */
.site-footer {
  padding-block: clamp(3rem, 6vw, 5rem) 2rem;
  background: var(--color-bg-alt);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.logo--footer {
  height: 34px;
  width: auto;
  margin-bottom: 0.75rem;
}

.site-footer__tagline {
  color: var(--color-ink-soft);
  max-width: 32ch;
  font-size: 0.9375rem;
}

.site-footer nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.site-footer nav a,
.site-footer__contact a {
  color: var(--color-ink-soft);
  font-size: 0.9375rem;
  transition: color var(--duration-fast);
}

.site-footer nav a:hover,
.site-footer__contact a:hover {
  color: var(--color-taupe);
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.site-footer__copy {
  padding-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--color-taupe-soft);
}