/* ============================================================
   MK3 Car Studio — folha de estilos
   Paleta extraída do logotipo: preto profundo, cromo/cinza,
   vermelho de competição e faísca laranja usada com parcimônia.
   Assinatura visual: filete quadriculado (bandeira do logo e
   piso real do estúdio) marcando breadcrumbs e rodapé.
   Criado por Cajamar NET - Programador Responsável: Paulo Curti
   ============================================================ */

:root {
  --mk3-preto: #0b0b0d;
  --mk3-grafite: #16171c;
  --mk3-grafite-2: #1d1f26;
  --mk3-aco: #2a2d38;
  --mk3-claro: #f4f5f7;
  --mk3-branco: #ffffff;
  --mk3-vermelho: #d92027;
  --mk3-vermelho-escuro: #a3121a;
  --mk3-faisca: #f59e0b;
  --mk3-texto-claro: #e8eaef;
  --mk3-texto-suave: #9aa0ab;
  --mk3-texto-escuro: #22242b;
  --mk3-texto-medio: #565c68;
  --mk3-fonte-display: "Saira Condensed", "Arial Narrow", sans-serif;
  --mk3-fonte-corpo: "Inter", system-ui, -apple-system, sans-serif;
}

/* ------------------------------------------------------------
   Base
   ------------------------------------------------------------ */
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body.mk3-body {
  font-family: var(--mk3-fonte-corpo);
  background-color: var(--mk3-preto);
  color: var(--mk3-texto-claro);
  overflow-x: hidden;
}

.mk3-display {
  font-family: var(--mk3-fonte-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: 1.05;
}

a { color: var(--mk3-vermelho); }
a:hover { color: var(--mk3-vermelho-escuro); }

:focus-visible {
  outline: 3px solid var(--mk3-faisca);
  outline-offset: 2px;
}

::selection { background: var(--mk3-vermelho); color: #fff; }

img { max-width: 100%; }

/* ------------------------------------------------------------
   Assinatura: filete quadriculado
   ------------------------------------------------------------ */
.mk3-xadrez {
  height: 14px;
  background:
    repeating-conic-gradient(#ffffff14 0% 25%, #00000038 0% 50%)
    0 0 / 28px 14px;
  border-top: 2px solid var(--mk3-vermelho);
}

/* ------------------------------------------------------------
   Navegação
   ------------------------------------------------------------ */
.mk3-navbar {
  background: rgba(11, 11, 13, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #ffffff12;
  padding-top: .4rem;
  padding-bottom: .4rem;
}
/* Logo "medalha": maior que o header, saltando para fora sem alterar
   a altura da barra — as margens negativas devolvem os mesmos 52px
   de caixa de linha que o logo antigo ocupava. */
.mk3-brand { position: relative; z-index: 5; }
.mk3-brand img {
  display: block;
  height: 146px;
  margin: -32px 0 -62px;
  transform: translateY(20px);
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, .55));
}
.mk3-navbar .nav-link {
  font-family: var(--mk3-fonte-display);
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--mk3-texto-claro);
  padding: .55rem .85rem;
  border-bottom: 2px solid transparent;
}
.mk3-navbar .nav-link:hover { color: #fff; border-bottom-color: var(--mk3-vermelho); }
.mk3-navbar .nav-link.active { color: var(--mk3-vermelho); border-bottom-color: var(--mk3-vermelho); }

.mk3-dropdown {
  background: var(--mk3-grafite-2);
  border: 1px solid #ffffff14;
  border-top: 3px solid var(--mk3-vermelho);
  border-radius: .5rem;
  min-width: 18rem;
  padding: .4rem;
}
.mk3-dropdown .dropdown-item {
  color: var(--mk3-texto-claro);
  border-radius: .35rem;
  padding: .55rem .8rem;
  font-weight: 500;
}
.mk3-dropdown .dropdown-item i { color: var(--mk3-vermelho); }
.mk3-dropdown .dropdown-item:hover,
.mk3-dropdown .dropdown-item.active {
  background: var(--mk3-vermelho);
  color: #fff;
}
.mk3-dropdown .dropdown-item:hover i,
.mk3-dropdown .dropdown-item.active i { color: #fff; }

/* ------------------------------------------------------------
   Botões
   ------------------------------------------------------------ */
.mk3-btn-vermelho {
  background: var(--mk3-vermelho);
  border: none;
  color: #fff;
  font-family: var(--mk3-fonte-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .55rem 1.4rem;
  border-radius: .4rem;
  transition: background .2s ease, transform .15s ease;
}
.mk3-btn-vermelho:hover {
  background: var(--mk3-vermelho-escuro);
  color: #fff;
  transform: translateY(-1px);
}
.mk3-btn {
  font-family: var(--mk3-fonte-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-radius: .4rem;
}
.mk3-btn-contorno {
  border: 2px solid #ffffff55;
  color: #fff;
  background: transparent;
}
.mk3-btn-contorno:hover { border-color: #fff; color: #fff; background: #ffffff14; }

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.mk3-hero {
  position: relative;
  min-height: min(88vh, 780px);
  display: flex;
  align-items: center;
  isolation: isolate;
  padding: 6rem 0 7rem;
}
.mk3-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--hero-foto) center center / cover no-repeat;
}
.mk3-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(8, 8, 10, .96) 20%, rgba(8, 8, 10, .78) 52%, rgba(8, 8, 10, .35) 100%),
    linear-gradient(to top, rgba(8, 8, 10, .95), transparent 40%);
}
.mk3-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--mk3-fonte-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .85rem;
  color: var(--mk3-faisca);
}
.mk3-hero-eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--mk3-vermelho);
}
.mk3-hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 800;
  color: #fff;
  max-width: 15ch;
}
.mk3-hero h1 em {
  font-style: normal;
  color: var(--mk3-vermelho);
}
.mk3-hero-sub {
  color: var(--mk3-texto-suave);
  font-size: 1.12rem;
  max-width: 52ch;
}
.mk3-hero .mk3-xadrez {
  position: absolute;
  left: 0; right: 0; bottom: 0;
}

/* ------------------------------------------------------------
   Rows claros e escuros
   ------------------------------------------------------------ */
.mk3-row-escuro {
  background: var(--mk3-grafite);
  color: var(--mk3-texto-claro);
  padding: 4.5rem 0;
}
.mk3-row-preto {
  background: var(--mk3-preto);
  color: var(--mk3-texto-claro);
  padding: 4.5rem 0;
}
.mk3-row-claro {
  background: var(--mk3-claro);
  color: var(--mk3-texto-escuro);
  padding: 4.5rem 0;
}
.mk3-row-claro .mk3-display { color: var(--mk3-texto-escuro); }
.mk3-row-claro p { color: var(--mk3-texto-medio); }
.mk3-row-claro .mk3-texto-forte { color: var(--mk3-texto-escuro); }

.mk3-eyebrow {
  display: block;
  font-family: var(--mk3-fonte-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .8rem;
  color: var(--mk3-vermelho);
  margin-bottom: .5rem;
}
.mk3-titulo-secao { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: .75rem; }
.mk3-sub-secao { color: var(--mk3-texto-suave); max-width: 62ch; }
.mk3-row-claro .mk3-sub-secao { color: var(--mk3-texto-medio); }

/* ------------------------------------------------------------
   Cards de serviço
   ------------------------------------------------------------ */
.mk3-card-servico {
  display: flex;
  flex-direction: column;
  background: var(--mk3-grafite-2);
  border: 1px solid #ffffff12;
  border-radius: .75rem;
  overflow: hidden;
  text-decoration: none;
  color: var(--mk3-texto-claro);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.mk3-card-servico:hover {
  transform: translateY(-4px);
  border-color: var(--mk3-vermelho);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .45);
  color: var(--mk3-texto-claro);
}
.mk3-card-foto {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.mk3-card-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.mk3-card-servico:hover .mk3-card-foto img { transform: scale(1.05); }
.mk3-card-corpo {
  position: relative;
  padding: 1.5rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.mk3-card-corpo p { color: var(--mk3-texto-suave); font-size: .92rem; flex-grow: 1; }
.mk3-card-icone {
  position: absolute;
  top: -24px;
  left: 1.1rem;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--mk3-vermelho);
  color: #fff;
  font-size: 1.3rem;
  border-radius: .55rem;
  box-shadow: 0 6px 16px rgba(217, 32, 39, .4);
}
.mk3-card-corpo h3 { color: #fff; margin-top: .5rem; }
.mk3-card-seta {
  font-family: var(--mk3-fonte-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .85rem;
  color: var(--mk3-vermelho);
  margin-top: .75rem;
}
.mk3-card-seta i { transition: transform .2s ease; display: inline-block; }
.mk3-card-servico:hover .mk3-card-seta i { transform: translateX(4px); }

/* ------------------------------------------------------------
   Breadcrumb interno com foto
   ------------------------------------------------------------ */
.mk3-breadcrumb {
  position: relative;
  isolation: isolate;
  padding: 5.5rem 0 4.5rem;
  background: var(--bc-foto, none) center 30% / cover no-repeat, var(--mk3-preto);
}
.mk3-breadcrumb::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(95deg, rgba(8, 8, 10, .95) 25%, rgba(8, 8, 10, .72) 60%, rgba(8, 8, 10, .45)),
    linear-gradient(to top, rgba(8, 8, 10, .9), transparent 55%);
}
.mk3-breadcrumb .mk3-xadrez {
  position: absolute;
  left: 0; right: 0; bottom: 0;
}
.mk3-trilha {
  --bs-breadcrumb-divider-color: var(--mk3-texto-suave);
  font-family: var(--mk3-fonte-display);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .8rem;
}
.mk3-trilha a { color: var(--mk3-faisca); text-decoration: none; }
.mk3-trilha .active { color: var(--mk3-texto-suave); }
.mk3-breadcrumb-desc { color: var(--mk3-texto-suave); max-width: 60ch; font-size: 1.05rem; }

/* ------------------------------------------------------------
   Blocos de conteúdo das páginas de serviço
   ------------------------------------------------------------ */
.mk3-beneficio {
  background: var(--mk3-grafite-2);
  border: 1px solid #ffffff12;
  border-left: 3px solid var(--mk3-vermelho);
  border-radius: .6rem;
  padding: 1.4rem 1.3rem;
  height: 100%;
}
.mk3-beneficio i { font-size: 1.5rem; color: var(--mk3-vermelho); }
.mk3-beneficio h3 { color: #fff; font-size: 1.05rem; margin: .6rem 0 .4rem; }
.mk3-beneficio p { color: var(--mk3-texto-suave); font-size: .92rem; margin: 0; }

.mk3-row-claro .mk3-beneficio {
  background: #fff;
  border-color: #e3e5ea;
  border-left-color: var(--mk3-vermelho);
  box-shadow: 0 4px 14px rgba(20, 22, 30, .05);
}
.mk3-row-claro .mk3-beneficio h3 { color: var(--mk3-texto-escuro); }
.mk3-row-claro .mk3-beneficio p { color: var(--mk3-texto-medio); }

/* Passos do processo */
.mk3-passo {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}
.mk3-passo + .mk3-passo { margin-top: 1.6rem; }
.mk3-passo-numero {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--mk3-vermelho);
  color: #fff;
  font-family: var(--mk3-fonte-display);
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: .5rem;
}
.mk3-passo h3 { font-size: 1.1rem; margin-bottom: .3rem; }
.mk3-passo p { margin: 0; font-size: .95rem; }

/* Foto lateral com moldura */
.mk3-foto-moldura {
  border-radius: .75rem;
  overflow: hidden;
  border: 1px solid #ffffff1c;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .5);
}
.mk3-foto-moldura img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mk3-row-claro .mk3-foto-moldura {
  border-color: #dcdee4;
  box-shadow: 0 14px 34px rgba(20, 22, 30, .12);
}

/* Galeria simples */
.mk3-galeria img {
  border-radius: .6rem;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  width: 100%;
  transition: transform .25s ease;
}
.mk3-galeria a:hover img { transform: scale(1.03); }

/* FAQ */
.mk3-faq .accordion-item {
  border: 1px solid #e3e5ea;
  border-radius: .5rem !important;
  overflow: hidden;
  margin-bottom: .75rem;
}
.mk3-faq .accordion-button {
  font-weight: 600;
  color: var(--mk3-texto-escuro);
  background: #fff;
}
.mk3-faq .accordion-button:not(.collapsed) {
  background: var(--mk3-vermelho);
  color: #fff;
  box-shadow: none;
}
.mk3-faq .accordion-button:not(.collapsed)::after { filter: brightness(0) invert(1); }
.mk3-faq .accordion-body { background: #fff; color: var(--mk3-texto-medio); }

/* ------------------------------------------------------------
   CTA final
   ------------------------------------------------------------ */
.mk3-cta-final {
  background:
    linear-gradient(120deg, var(--mk3-vermelho-escuro), var(--mk3-vermelho) 55%, #e8474d),
    var(--mk3-vermelho);
  color: #ffe3e4;
  padding: 4rem 0;
}
.mk3-cta-final .mk3-btn { color: var(--mk3-vermelho-escuro); }
.mk3-cta-tel { font-size: .95rem; color: #ffd7d9; }

/* ------------------------------------------------------------
   Diferenciais / números
   ------------------------------------------------------------ */
.mk3-diferencial { text-align: center; padding: 1rem .5rem; }
.mk3-diferencial i {
  font-size: 2rem;
  color: var(--mk3-vermelho);
}
.mk3-diferencial h3 {
  font-size: 1.02rem;
  margin: .6rem 0 .3rem;
  font-family: var(--mk3-fonte-display);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.mk3-diferencial p { font-size: .9rem; margin: 0; }

/* ------------------------------------------------------------
   Rodapé
   ------------------------------------------------------------ */
.mk3-rodape {
  background: #000;
  color: var(--mk3-texto-suave);
}
.mk3-rodape-texto { font-size: .95rem; }
.mk3-rodape-titulo {
  font-family: var(--mk3-fonte-display);
  text-transform: uppercase;
  letter-spacing: .14em;
  color: #fff;
  margin-bottom: 1rem;
}
.mk3-rodape-lista {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mk3-rodape-lista li { margin-bottom: .5rem; }
.mk3-rodape-lista a {
  color: var(--mk3-texto-suave);
  text-decoration: none;
}
.mk3-rodape-lista a:hover { color: var(--mk3-vermelho); }
.mk3-rodape-contato li {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
}
.mk3-rodape-contato i { color: var(--mk3-vermelho); margin-top: .15rem; }
.mk3-rodape-base {
  border-top: 1px solid #ffffff14;
  padding: 1rem 0;
  font-size: .85rem;
}
.mk3-rodape-base a {
  color: var(--mk3-texto-suave);
  text-decoration: none;
}
.mk3-rodape-base a:hover { color: var(--mk3-vermelho); }

/* WhatsApp flutuante */
.mk3-whats-flutuante {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 1050;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  background: #25d366;
  color: #fff;
  font-size: 1.8rem;
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .45);
  transition: transform .2s ease;
}
.mk3-whats-flutuante:hover { transform: scale(1.08); color: #fff; }

/* ------------------------------------------------------------
   Formulário de contato
   ------------------------------------------------------------ */
.mk3-form-card {
  background: #fff;
  border: 1px solid #e3e5ea;
  border-radius: .75rem;
  padding: 2rem 1.75rem;
  box-shadow: 0 14px 34px rgba(20, 22, 30, .08);
}
.mk3-mapa {
  border: 0;
  border-radius: .75rem;
  width: 100%;
  min-height: 320px;
  filter: grayscale(35%);
}

/* ------------------------------------------------------------
   Animação de entrada (JS adiciona .mk3-visivel)
   ------------------------------------------------------------ */
.mk3-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.mk3-reveal.mk3-visivel { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .mk3-reveal { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------
   Ajustes responsivos
   ------------------------------------------------------------ */
@media (max-width: 991.98px) {
  .mk3-navbar .navbar-collapse {
    position: relative;
    z-index: 6; /* acima do logo saltado quando o menu mobile abre */
    background: var(--mk3-grafite-2);
    border-radius: .6rem;
    padding: .75rem 1rem;
    margin-top: .6rem;
    border: 1px solid #ffffff14;
  }
}
@media (max-width: 575.98px) {
  .mk3-hero { padding: 4rem 0 5.5rem; min-height: 0; }
  .mk3-row-escuro, .mk3-row-preto, .mk3-row-claro { padding: 3.25rem 0; }
  .mk3-brand img {
    height: 110px;
    margin: -24px 0 -42px;
  }
}