/* ==========================================================================
   RR Ferramentaria — Componentes
   Cabeçalho · tema · botões · rodapé · formulários · acordeão · abas ·
   tabelas técnicas · marquee · dock de contato · lightbox
   ========================================================================== */

/* --- Botões --------------------------------------------------------------- */

.btn {
  --btn-fg: var(--bg);
  --btn-bg: var(--fg);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 3.25rem;
  padding: 0.85rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.008em;
  line-height: 1.2;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: color var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease),
              background-color var(--dur-2) var(--ease), transform var(--dur-1) var(--ease);
  -webkit-tap-highlight-color: transparent;
}

/* Painel que preenche o botão a partir da base — o “clique” antes do clique */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform var(--dur-2) var(--ease-out);
}

.btn:hover::before,
.btn:focus-visible::before { transform: scaleY(1); }
.btn:hover, .btn:focus-visible { color: #fff; }
.btn:active { transform: translateY(1px); }

.btn__icon {
  flex: none;
  width: 1rem;
  height: 1rem;
  transition: transform var(--dur-2) var(--ease-out);
}

.btn:hover .btn__icon,
.btn:focus-visible .btn__icon { transform: translateX(4px); }

.btn--accent { --btn-bg: var(--accent); --btn-fg: #fff; }
.btn--accent::before { background: var(--fg); }
.btn--accent:hover, .btn--accent:focus-visible { color: var(--bg); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--fg);
  border-color: var(--field-border);
}

.btn--ghost:hover,
.btn--ghost:focus-visible { border-color: transparent; }

.btn--sm { min-height: 2.6rem; padding: 0.5rem 1.05rem; font-size: 0.875rem; }
.btn--block { width: 100%; }

.btn[disabled],
.btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

/* Link com seta — CTA leve, sem peso de botão */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding-block: 0.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--fg);
  transition: color var(--dur-1) var(--ease);
}

.arrow-link::after {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  transition: width var(--dur-2) var(--ease-out);
}

.arrow-link:hover,
.arrow-link:focus-visible { color: var(--accent); }
.arrow-link:hover::after,
.arrow-link:focus-visible::after { width: 2.5rem; }

/* --- Cabeçalho ------------------------------------------------------------ */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  color: #fff;
  transition: background-color var(--dur-3) var(--ease), color var(--dur-3) var(--ease),
              transform var(--dur-3) var(--ease);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--line);
  opacity: 0;
  transition: opacity var(--dur-3) var(--ease);
}

.site-header.is-solid {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
          backdrop-filter: saturate(160%) blur(16px);
  color: var(--fg);
}

/* Navegadores sem color-mix: cai para a cor sólida do tema */
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .site-header.is-solid { background: var(--bg); }
}

.site-header.is-solid::after { opacity: 1; }
.site-header.is-hidden { transform: translateY(-101%); }

/* Páginas internas nascem com o cabeçalho sólido */
.site-header--static { position: sticky; }

.site-header__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2.5vw, 2rem);
}

.brand { display: inline-flex; align-items: center; flex: none; margin-right: auto; }

.brand img { width: auto; height: 38px; transition: opacity var(--dur-2) var(--ease); }

/* No celular o lockup é a única marca visível: abaixo de 34px o texto some. */
@media (max-width: 900px) { .brand img { height: 34px; } }
@media (max-width: 360px) { .brand img { height: 30px; } }

/*
  Sobre foto ou menu aberto, vale o logotipo branco. Com o cabeçalho sólido,
  o tema claro pede o logotipo colorido; no escuro o branco continua servindo.
*/
.brand__mark--light { display: block; }
.brand__mark--dark  { display: none; }

.site-header.is-solid .brand__mark--light { display: none; }
.site-header.is-solid .brand__mark--dark  { display: block; }

:root[data-theme="dark"] .site-header.is-solid .brand__mark--light { display: block; }
:root[data-theme="dark"] .site-header.is-solid .brand__mark--dark  { display: none; }

.brand:hover img { opacity: 0.75; }

/* Com o menu aberto o cabeçalho volta a ser transparente sobre o painel escuro */
body.is-menu-open .site-header {
  background: transparent;
  -webkit-backdrop-filter: none;
          backdrop-filter: none;
  color: #fff;
}

body.is-menu-open .site-header::after { opacity: 0; }
body.is-menu-open .site-header .brand__mark--light { display: block; }
body.is-menu-open .site-header .brand__mark--dark { display: none; }

/* Navegação principal */
.nav { display: none; }

@media (min-width: 1080px) {
  .nav { display: flex; align-items: center; gap: clamp(0.9rem, 1.9vw, 1.9rem); }
}

.nav__link {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.008em;
  padding-block: 0.45rem;
  color: inherit;
  opacity: 0.8;
  transition: opacity var(--dur-1) var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--dur-2) var(--ease-out);
}

.nav__link:hover,
.nav__link:focus-visible { opacity: 1; }
.nav__link:hover::after,
.nav__link:focus-visible::after { transform: scaleX(1); }

.nav__link[aria-current="page"] { opacity: 1; }
.nav__link[aria-current="page"]::after { transform: scaleX(1); background: var(--accent); }

.header__aside { display: flex; align-items: center; gap: 0.75rem; }

.header__phone {
  display: none;
  align-items: center;
  padding-block: 0.4rem;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  opacity: 0.82;
  transition: opacity var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

@media (min-width: 1080px) { .header__phone { display: inline-flex; } }

.header__phone:hover { opacity: 1; color: var(--accent); }
.header__phone svg { width: 15px; height: 15px; flex: none; }

.header__cta { display: none; }
@media (min-width: 1080px) { .header__cta { display: inline-flex; } }

/* --- Seletor de tema ------------------------------------------------------ */

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid currentColor;
  color: inherit;
  opacity: 0.68;
  transition: opacity var(--dur-1) var(--ease), background-color var(--dur-2) var(--ease),
              color var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}

.theme-toggle:hover { opacity: 1; background: var(--accent); border-color: var(--accent); color: #fff; }
.theme-toggle svg { width: 17px; height: 17px; }

/* O ícone mostra o destino do clique, igual ao que o aria-label anuncia */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Botão hambúrguer */
.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0 10px;
  color: inherit;
}

@media (min-width: 1080px) { .burger { display: none; } }

.burger span {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur-2) var(--ease-out), opacity var(--dur-1) var(--ease);
}

.burger span:nth-child(1) { width: 24px; }
.burger span:nth-child(2) { width: 17px; }

body.is-menu-open .burger span:nth-child(1) { transform: translateY(3.75px) rotate(45deg); width: 24px; }
body.is-menu-open .burger span:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); width: 24px; }

/* Menu mobile em tela cheia — sempre escuro, nos dois temas */
.menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2rem;
  background: #0a0c11;
  color: #edeef2;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  pointer-events: none;
  transition: clip-path var(--dur-3) var(--ease-out), visibility 0s linear var(--dur-3);
  overflow-y: auto;
  overscroll-behavior: contain;
}

body.is-menu-open .menu {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  pointer-events: auto;
  transition: clip-path var(--dur-3) var(--ease-out), visibility 0s;
}

.menu__list { display: flex; flex-direction: column; }
.menu__item { border-top: 1px solid rgba(255, 255, 255, 0.09); }
.menu__item:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.09); }

.menu__link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 7vw, 2.25rem);
  font-weight: 600;
  font-stretch: var(--wdth-mid);
  letter-spacing: -0.03em;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out),
              color var(--dur-1) var(--ease);
}

body.is-menu-open .menu__link { opacity: 1; transform: none; }
.menu__link:hover { color: #f0393e; }

.menu__link .num { font-size: var(--fs-mono); color: #8d95a6; letter-spacing: 0.12em; }

.menu__foot {
  margin-top: auto;
  padding-top: 2.5rem;
  display: grid;
  gap: 1.25rem;
  opacity: 0;
  transition: opacity var(--dur-3) var(--ease-out) 220ms;
}

body.is-menu-open .menu__foot { opacity: 1; }

.menu__meta { display: grid; gap: 0.35rem; font-size: var(--fs-sm); color: #a3aab8; }
/* Alvo de toque com pelo menos 24px — são links de telefone e e-mail no celular */
.menu__meta a {
  display: inline-block;
  padding-block: 0.28rem;
  font-family: var(--font-mono);
  color: #edeef2;
}

/* --- Barra de progresso de leitura ---------------------------------------- */

.progress {
  position: fixed;
  top: 0; left: 0;
  z-index: 101;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--accent);
  pointer-events: none;
}

/* --- Dock de contato persistente ------------------------------------------ */

.dock {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
}

@media (max-width: 720px) {
  .dock { bottom: calc(env(safe-area-inset-bottom, 0px) + 4.75rem); }
  .dock--low { bottom: calc(env(safe-area-inset-bottom, 0px) + 1rem); }
}

.dock__panel {
  display: grid;
  gap: 1px;
  background: var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  transform-origin: 100% 100%;
  transform: translateY(8px) scale(0.96);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out);
}

.dock.is-open .dock__panel { opacity: 1; transform: none; pointer-events: auto; }

.dock__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  background: var(--surface);
  color: var(--fg);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.dock__link:hover { background: var(--accent); color: #fff; }
.dock__link svg { width: 17px; height: 17px; flex: none; }

.dock__link small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.6;
}

.dock__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--fg);
  color: var(--bg);
  box-shadow: var(--shadow-2);
  transition: background-color var(--dur-2) var(--ease), color var(--dur-2) var(--ease),
              transform var(--dur-2) var(--ease-out);
}

.dock__toggle:hover { background: var(--accent); color: #fff; transform: scale(1.05); }
.dock__toggle svg { width: 22px; height: 22px; transition: transform var(--dur-2) var(--ease-out); }
.dock.is-open .dock__toggle svg { transform: rotate(135deg); }

/* Barra fixa de ação no mobile */
.actionbar {
  position: fixed;
  inset: auto 0 0;
  z-index: 96;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #0a0c11;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  transform: translateY(101%);
  transition: transform var(--dur-3) var(--ease-out);
}

.actionbar.is-visible { transform: none; }

@media (min-width: 721px) { .actionbar { display: none; } }

.actionbar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 0.5rem;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
}

.actionbar a + a { background: var(--brand-red); }
.actionbar svg { width: 16px; height: 16px; }

/* --- Formulários ---------------------------------------------------------- */

.field { display: grid; gap: 0.45rem; }

.field__label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
  color: var(--fg-muted);
}

.field__label .req { color: var(--accent); }

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.95rem 1rem;
  background: var(--surface-2);
  border: 1px solid var(--field-border);
  border-radius: var(--radius);
  color: var(--fg);
  font-size: 1rem;
  line-height: 1.45;
  transition: border-color var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
  appearance: none;
}

.textarea { min-height: 8.5rem; resize: vertical; }

.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%23888f9e' stroke-width='1.4'%3E%3Cpath d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
  padding-right: 2.75rem;
  cursor: pointer;
}

.input::placeholder,
.textarea::placeholder { color: var(--fg-muted); opacity: 0.9; }

.input:hover, .textarea:hover, .select:hover { border-color: var(--fg-muted); }

.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--fg);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field.has-error .input,
.field.has-error .textarea,
.field.has-error .select { border-color: var(--accent); }

.field__error {
  display: none;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-sm);
  color: var(--accent);
}

.field.has-error .field__error { display: flex; }

.field__hint { font-size: var(--fs-sm); color: var(--fg-muted); }

.form-grid { display: grid; gap: 1.15rem; grid-template-columns: 1fr; }

@media (min-width: 680px) {
  .form-grid--2 { grid-template-columns: 1fr 1fr; }
  .form-grid .span-2 { grid-column: 1 / -1; }
}

/* Chips selecionáveis */
.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip { position: relative; }

.chip input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.chip span {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1.05rem;
  border: 1px solid var(--field-border);
  border-radius: var(--radius);
  background: var(--surface-2);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--fg);
  transition: border-color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease),
              color var(--dur-1) var(--ease);
}

.chip span::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid var(--fg-muted);
  transition: background-color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.chip input:hover + span { border-color: var(--fg-muted); }

.chip input:checked + span {
  border-color: var(--fg);
  background: var(--fg);
  color: var(--bg);
}

.chip input:checked + span::before { background: var(--accent); border-color: var(--accent); }
.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }

/* --- Acordeão ------------------------------------------------------------- */

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

.accordion__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  padding: clamp(1.15rem, 2.4vw, 1.7rem) 0;
  text-align: left;
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: -0.018em;
  color: var(--fg);
  transition: color var(--dur-1) var(--ease);
}

.accordion__trigger:hover { color: var(--accent); }

.accordion__icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 0.35em;
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur-2) var(--ease-out), opacity var(--dur-1) var(--ease);
}

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

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-3) var(--ease-out);
}

.accordion__panel[data-open="true"] { grid-template-rows: 1fr; }
.accordion__panel > div { overflow: hidden; }

.accordion__body {
  max-width: 62ch;
  padding-bottom: clamp(1.25rem, 2.4vw, 1.9rem);
  color: var(--fg-muted);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out);
}

.accordion__panel[data-open="true"] .accordion__body { opacity: 1; transform: none; }

/* --- Abas ----------------------------------------------------------------- */

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.9rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.tabs__tab {
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--fg-muted);
  transition: color var(--dur-1) var(--ease), background-color var(--dur-2) var(--ease);
}

.tabs__tab:hover { color: var(--fg); }
.tabs__tab[aria-selected="true"] { background: var(--fg); color: var(--bg); }
.tabs__panel[hidden] { display: none; }
.tabs__panel { animation: panel-in var(--dur-3) var(--ease-out); }

/* --- Etiqueta técnica ----------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.32rem 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* --- Tabela técnica ------------------------------------------------------- */

.spec { width: 100%; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.spec tr { border-bottom: 1px solid var(--line); }
.spec th, .spec td { padding: 0.95rem 0; text-align: left; vertical-align: baseline; }

.spec th {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 400;
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
  color: var(--fg-muted);
  width: 55%;
  padding-right: 1rem;
}

.spec td {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 500;
  letter-spacing: -0.03em;
  text-align: right;
  color: var(--fg);
}

.spec td small {
  display: block;
  font-size: var(--fs-mono);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 0.2rem;
}

@media (max-width: 560px) {
  .spec, .spec tbody, .spec tr, .spec th, .spec td { display: block; width: auto; }
  .spec tr { padding-block: 0.9rem; }
  .spec th, .spec td { padding: 0; text-align: left; }
  .spec td { margin-top: 0.25rem; }
}

/* --- Marquee de segmentos ------------------------------------------------- */

.marquee {
  --marquee-duration: 52s;
  position: relative;
  overflow: hidden;
  display: flex;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  flex: none;
  align-items: center;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  padding-right: clamp(1.75rem, 4vw, 3.5rem);
  animation: marquee var(--marquee-duration) linear infinite;
}

.marquee:hover .marquee__track { animation-play-state: paused; }

@keyframes marquee { to { transform: translateX(-100%); } }

@media (prefers-reduced-motion: reduce) {
  .marquee { -webkit-mask-image: none; mask-image: none; overflow-x: auto; }
  .marquee__track { animation: none; }
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  font-weight: 600;
  font-stretch: var(--wdth-mid);
  letter-spacing: -0.02em;
  color: var(--fg);
}

.marquee__item::after {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  flex: none;
  border-radius: 50%;
}

/* --- Botão “voltar ao topo” ----------------------------------------------- */

.to-top {
  display: inline-flex;
  align-items: center;
  padding-block: 0.35rem;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
  color: inherit;
  opacity: 0.7;
  transition: opacity var(--dur-1) var(--ease);
}

.to-top:hover { opacity: 1; }
.to-top svg { width: 12px; height: 12px; transition: transform var(--dur-2) var(--ease-out); }
.to-top:hover svg { transform: translateY(-3px); }

/* --- Rodapé --------------------------------------------------------------- */

.site-footer {
  background: var(--invert-bg);
  color: var(--invert-fg);
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: 2rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 720px) { .site-footer { padding-bottom: 5.5rem; } }

.footer__top {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  grid-template-columns: 1fr;
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

@media (min-width: 720px) { .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .footer__top { grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 0.85fr)); } }
@media (min-width: 1240px) { .footer__top { grid-template-columns: minmax(0, 1.35fr) repeat(4, minmax(0, 0.8fr)); } }

.footer__brand img { height: 42px; width: auto; margin-bottom: 1.5rem; }
.footer__pitch { color: var(--invert-muted); max-width: 34ch; font-size: var(--fs-sm); line-height: 1.7; }

.footer__col h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 400;
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
  color: var(--invert-muted);
  margin-bottom: 1.15rem;
}

.footer__col ul { display: grid; gap: 0.35rem; }
.footer__col li { font-size: 0.9375rem; }

/* Alvo de toque com pelo menos 24px de altura (WCAG 2.2 — Target Size) */
.footer__col a {
  display: inline-block;
  padding-block: 0.22rem;
  color: var(--invert-fg);
  opacity: 0.85;
  transition: opacity var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.footer__col a:hover { opacity: 1; color: #f0393e; }

.footer__address { font-style: normal; color: var(--invert-muted); font-size: 0.9375rem; line-height: 1.7; }
.footer__address strong { color: var(--invert-fg); font-weight: 500; }

/* O e-mail é uma palavra só e mais larga que a coluna nas telas de 5 colunas. */
.footer__address a { color: var(--invert-fg); overflow-wrap: anywhere; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--invert-muted);
}

.footer__bottom a:hover { color: var(--invert-fg); }

/* --- Notas de estado ------------------------------------------------------ */

.notice {
  display: flex;
  gap: 0.9rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line-strong);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--fg);
}

.notice svg { width: 20px; height: 20px; flex: none; margin-top: 1px; }
.notice--ok { border-left-color: #2fa36a; }
.notice--ok svg { color: #2fa36a; }
.notice--err { border-left-color: var(--accent); }
.notice--err svg { color: var(--accent); }
.notice p + p { margin-top: 0.4rem; }
.notice strong { font-weight: 600; }

/* --- Carregamento --------------------------------------------------------- */

.btn.is-loading { pointer-events: none; }
.btn.is-loading .btn__label { opacity: 0.35; }

.spinner {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 620ms linear infinite;
}

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

@keyframes panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* --- Ampliação de desenho técnico ----------------------------------------- */

.zoomable { position: relative; cursor: zoom-in; }

.zoomable::after {
  content: "Ampliar";
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 2;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--scrim-hard);
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease-out);
  pointer-events: none;
}

.zoomable:hover::after,
.zoomable:focus-visible::after { opacity: 1; transform: none; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(6, 8, 12, 0.95);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-2) var(--ease), visibility 0s linear var(--dur-2);
}

.lightbox.is-open { opacity: 1; visibility: visible; transition: opacity var(--dur-2) var(--ease), visibility 0s; }

.lightbox__frame {
  margin: 0;
  max-width: min(96vw, 78rem);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.lightbox__frame img {
  max-height: 78vh;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius);
  padding: clamp(0.5rem, 2vw, 1.5rem);
}

.lightbox__frame figcaption {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #a3aab8;
  text-align: center;
}

.lightbox__close {
  position: absolute;
  top: clamp(0.75rem, 3vw, 1.75rem);
  right: clamp(0.75rem, 3vw, 1.75rem);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #edeef2;
  background: rgba(255, 255, 255, 0.1);
  transition: background-color var(--dur-1) var(--ease);
}

.lightbox__close:hover { background: var(--brand-red); }
.lightbox__close svg { width: 20px; height: 20px; }