/* =========================================================
   Guindastes RJ — Base (reset, layout, header, footer, botões)
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}
/* Snap SÓ na home (classe vinda do layout). Nas páginas internas não existem
   seções de snap, então o footer (align:end) seria o único ponto e o mandatory
   prenderia a rolagem nele. */
html.snap { scroll-snap-type: y mandatory; }  /* abrupto, tipo slide */
@media (prefers-reduced-motion: reduce) {
  html, html.snap { scroll-behavior: auto; scroll-snap-type: none; }
}

body {
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
/* Link não nasce sublinhado nem azul; quem quer sublinhado declara (ex.: .btn--ghost) */
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px; top: 0;
  background: #fff; color: #000;
  padding: 10px 16px; z-index: 200;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ------------------- Trilha de navegação (breadcrumb) -------------------
   Fica aqui, e não numa folha de página: é usada por frota, equipamento,
   localidade, aplicação e junção — que carregam CSS diferentes. */
.pag-crumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: .76rem; color: var(--text-dim); margin-bottom: 16px;
}
.pag-crumb a { color: var(--text-muted); }
.pag-crumb a:hover { color: #fff; }
.pag-crumb strong { color: var(--text-muted); font-weight: 600; }

/* ---------------------------- Botões ---------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font: 600 .8125rem/1 var(--font);
  text-transform: uppercase;
  letter-spacing: .03em;
  text-decoration: none;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
}
.btn .ico { flex: none; }

.btn--primary { background: var(--btn-bg); color: var(--btn-fg); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.35); }

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 4px;
  padding: 11px 10px;
}
.btn--ghost:hover { color: #fff; }

.btn--geo {
  background: rgba(255,255,255,.05);
  color: var(--text-muted);
  border-color: var(--line-strong);
  padding: 10px 16px;
}
.btn--geo:hover { color: #fff; border-color: rgba(255,255,255,.5); }
.btn--geo.is-loading { opacity: .6; pointer-events: none; }

/* WhatsApp (neutro — sem verde): quadrado grafite com ícone branco */
.btn--wa {
  flex: 0 0 auto;
  width: 46px;
  padding: 0;
  aspect-ratio: 1 / 1;
  background: var(--whatsapp);
  color: #fff;
  border: 1px solid transparent;
}
.btn--wa:hover { background: var(--whatsapp-600); transform: translateY(-2px); }

/* WhatsApp largo (texto + ícone) */
.btn--whatsapp { background: var(--whatsapp); color: #fff; border-color: transparent; }
.btn--whatsapp:hover { background: var(--whatsapp-600); transform: translateY(-2px); }

/* ---------------------------- Header / Navbar ---------------------------- */
/* Transparente no topo (só logo/links/botão), sólido ao rolar. */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  background: transparent;
  transition: background var(--t), box-shadow var(--t), border-color var(--t);
}
.site-header::before {           /* scrim p/ legibilidade quando transparente */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom, rgba(0,0,0,.55), rgba(0,0,0,0));
  transition: opacity var(--t);
  pointer-events: none;
}
.site-header.is-scrolled {
  background: var(--bg-2);
  box-shadow: 0 6px 24px rgba(0,0,0,.35);
}
.site-header.is-scrolled::before { opacity: 0; }
/* Menu mobile aberto: header fica sólido (combina com o painel) */
.site-header.nav-open { background: var(--bg-2); }
.site-header.nav-open::before { opacity: 0; }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand { display: inline-flex; align-items: center; }
.brand__logo { height: 34px; width: auto; }

.main-nav__list {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}
.main-nav__link {
  position: relative;
  color: #e8e8e8;
  text-decoration: none;
  text-transform: uppercase;
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .04em;
  padding: 6px 0;
  transition: color var(--t-fast);
}
.main-nav__link:hover { color: #fff; }
.main-nav__link.is-active { color: #fff; }
.main-nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px; background: #fff;
}
.main-nav__cta {
  padding-left: 26px;
  border-left: 1px solid var(--line-strong);
}

/* Hambúrguer (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.nav-toggle__bar { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform var(--t-fast), opacity var(--t-fast); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------- Seções genéricas ---------------------------- */
.section { position: relative; padding-block: clamp(32px, 5vh, 60px); }
.section--dark    { background: var(--bg-0); }
.section--mid     { background: var(--bg-3); }
.section--contact { background: var(--bg-5); }

/* Snap: cada seção ocupa a tela toda e para em cada uma */
.snap-section { scroll-snap-align: start; scroll-snap-stop: always; }
.section.snap-section {
  min-height: calc(100svh - var(--header-h));   /* desconta a navbar fixa → conteúdo cabe na área visível */
  display: flex;
  flex-direction: column;
  justify-content: center;
}
/* Footer = último ponto de snap, alinhado ao fim → alcançável mesmo com mandatory */
html.snap .site-footer { scroll-snap-align: end; }
/* Mobile: conteúdo pode passar da altura — alinha ao topo e afrouxa o snap */
@media (max-width: 860px) {
  html.snap { scroll-snap-type: y proximity; }
  .section.snap-section { justify-content: flex-start; }
}

.section-head { margin-bottom: clamp(1.25rem, 3.5vh, 2rem); }
.section-head__title {
  display: flex; align-items: center; gap: .55rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.1;
}
.section-head__title .ico { color: #fff; flex: none; }
.section-head__sub {
  color: var(--text-muted);
  font-size: clamp(.9rem, 1.6vw, 1rem);
  margin-top: .35rem;
}

/* Placeholders temporários (seções 2–4) */
.placeholder { min-height: 56vh; display: flex; align-items: center; }
.placeholder__note {
  color: var(--text-dim);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: inline-block;
  margin-top: 1rem;
}

/* ---------------------------- Footer ---------------------------- */
.site-footer { background: var(--bg-4); color: var(--text-muted); }
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: 32px;
  align-items: start;
  padding-block: clamp(36px, 5vh, 56px);
}
.site-footer__logo { height: 76px; width: auto; margin-bottom: 16px; }
.site-footer__brand p { max-width: 44ch; font-size: .88rem; line-height: 1.6; }
.site-footer__col { border-left: 1px solid var(--line); padding-left: 28px; }
.site-footer__col h2 {
  color: #fff; font-size: .9rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em; margin-bottom: 14px;
}
.site-footer__col ul { list-style: none; display: grid; gap: 9px; }
.site-footer__col a { text-decoration: none; transition: color var(--t-fast); }
.site-footer__col a:hover { color: #fff; }
.site-footer__hours { display: flex; flex-direction: column; gap: 2px; }
.site-footer__hours strong { color: #fff; font-size: 1rem; }
.site-footer__bar { border-top: 1px solid var(--line); }
.site-footer__bar p { text-align: center; font-size: .8rem; color: var(--text-dim); padding-block: 16px; }

/* ---------------------------- Responsivo ---------------------------- */
@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(-8px);
    visibility: hidden;
    transition: opacity var(--t), transform var(--t), visibility 0s linear .28s;
  }
  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    transition: opacity var(--t), transform var(--t), visibility 0s linear 0s;
  }
  .main-nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 20px; }
  .main-nav__link { padding: 15px 0; border-bottom: 1px solid var(--line); }
  .main-nav__link.is-active::after { display: none; }
  .main-nav__cta { padding-left: 0; border-left: 0; margin-top: 14px; }
  .main-nav__cta .btn { width: 100%; }
}
@media (max-width: 820px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__col:nth-child(2) { border-left: 0; padding-left: 0; }
}
@media (max-width: 480px) {
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__col { border-left: 0; padding-left: 0; }
}

/* ---------------- Botão flutuante (todas as páginas) ----------------
   A home estende isto no home.css com o indicador de seções. */
.fabs { position: fixed; right: 20px; bottom: 20px; z-index: 90; display: flex; align-items: flex-end; gap: 12px; }
.fabs__col { display: flex; flex-direction: column; gap: 14px; }
.fab {
  width: 58px; height: 58px; border-radius: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; cursor: pointer;
  box-shadow: 0 10px 24px rgba(0,0,0,.4);
  transition: background var(--t-fast), transform var(--t-fast), opacity var(--t-fast), visibility var(--t-fast);
}
.fab--wa { background: var(--whatsapp); color: #fff; }
.fab--wa:hover { background: var(--whatsapp-600); transform: translateY(-2px); }
.fab--top { background: var(--bg-2); color: #fff; opacity: 0; visibility: hidden; transform: translateY(8px); }
.fabs.is-scrolled .fab--top { opacity: 1; visibility: visible; transform: translateY(0); }
.fab--top:hover { background: #3a3a3a; }
@media (max-width: 640px) {
  .fab { width: 52px; height: 52px; border-radius: 14px; }
}