/* ============================================================
   MELHOR TRANSPORTES — Layout: topbar, header, nav, footer
   ============================================================ */

/* ---- Barra de contato (topo) ---- */
.topbar {
  background: linear-gradient(90deg, var(--cor-primaria-escura), var(--cor-primaria));
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.8125rem;
  position: relative;
  z-index: 60;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
}

.topbar__list {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar__list li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.topbar__list svg {
  width: 13px;
  height: 13px;
  fill: currentColor;
  opacity: 0.85;
}

.topbar a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--cor-fundo);
  border-bottom: 1px solid var(--cor-borda);
  transition: box-shadow var(--transicao), border-color var(--transicao);
}

.header.is-scrolled {
  box-shadow: var(--sombra-2);
  border-bottom-color: transparent;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo__marca {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cor-primaria), var(--cor-primaria-escura));
  box-shadow: var(--sombra-1);
}

.logo__marca svg {
  width: 26px;
  height: 26px;
  fill: #fff;
}

.logo__texto {
  font-family: var(--fonte-titulo);
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--cor-texto);
  line-height: 1;
  letter-spacing: 0.02em;
}

.logo__texto strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cor-primaria);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Logo em imagem */
.logo__img {
  height: 52px;
  width: auto;
  display: block;
  max-width: 220px;
  object-fit: contain;
}

/* Chip branco para a logo em fundos escuros (footer / menu mobile) */
.logo--chip {
  background: #fff;
  border-radius: 12px;
  padding: 8px 14px;
  box-shadow: var(--sombra-1);
}

.logo--chip .logo__img {
  height: 34px;
}

/* ---- Navegação ---- */
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav__link {
  position: relative;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--cor-texto);
  padding-block: 6px;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 3px;
  border-radius: 99px;
  background: var(--cor-destaque);
  transition: width var(--transicao);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__link.is-active {
  color: var(--cor-primaria);
}

/* ---- Toggle mobile ---- */
.nav-toggle {
  display: none;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  border-radius: 99px;
  background: var(--cor-texto);
  transition: transform var(--transicao), opacity var(--transicao);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---- Menu mobile (overlay) ---- */
.menu-mobile {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: linear-gradient(160deg, var(--cor-primaria-escura), var(--cor-fundo-escuro));
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 20px 24px 32px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  overflow-y: auto;
}

.menu-mobile.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.menu-mobile__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.menu-mobile .logo__texto { color: #fff; }
.menu-mobile .logo__texto strong { color: #fff; opacity: 0.8; }

.menu-mobile__close {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.12);
}

.menu-mobile__close svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

.menu-mobile__nav {
  margin-top: 40px;
}

.menu-mobile__nav ul {
  display: grid;
  gap: 6px;
}

.menu-mobile__nav a {
  display: block;
  font-family: var(--fonte-titulo);
  font-size: 1.5rem;
  font-weight: 700;
  padding: 12px 8px;
  border-radius: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  transition: background var(--transicao);
}

.menu-mobile__nav a:hover {
  background: rgba(255, 255, 255, 0.06);
}

.menu-mobile__foot {
  margin-top: auto;
  padding-top: 28px;
  display: grid;
  gap: 12px;
}

.menu-mobile__contato {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  display: grid;
  gap: 6px;
}

.menu-mobile__contato a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.menu-mobile__contato a:hover {
  color: #fff;
}

/* ---- Footer ---- */
.footer {
  background: linear-gradient(160deg, var(--cor-fundo-escuro), #170509);
  color: rgba(255, 255, 255, 0.82);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-block: 64px 48px;
}

.footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer__sobre p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 18px;
  max-width: 34ch;
}

.footer .logo__texto {
  color: #fff;
}

.footer .logo__texto strong {
  color: #fff;
  opacity: 0.75;
}

.footer ul {
  display: grid;
  gap: 10px;
}

.footer ul a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.78);
  transition: color var(--transicao), padding-left var(--transicao);
}

.footer ul a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer__contato-list li {
  display: flex;
  gap: 10px;
  font-size: 0.92rem;
}

.footer__contato-list svg {
  width: 16px;
  height: 16px;
  fill: var(--cor-destaque);
  flex-shrink: 0;
  margin-top: 4px;
}

.footer__contato-list a:hover {
  color: #fff;
}

.footer__social {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  transition: background var(--transicao), transform var(--transicao);
}

.footer__social a:hover {
  background: var(--cor-primaria);
  transform: translateY(-3px);
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: #fff;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding-block: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ---- Botão WhatsApp flutuante ---- */
.whats-fixo {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.4);
  transition: transform var(--transicao), background var(--transicao);
}

.whats-fixo:hover {
  transform: translateY(-4px) scale(1.05);
  background: var(--whatsapp-escuro);
}

.whats-fixo svg {
  width: 30px;
  height: 30px;
  fill: #fff;
}

.whats-fixo::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  animation: pulsar 2.4s infinite;
}

@keyframes pulsar {
  0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45); }
  70%  { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ---- Responsivo ---- */
@media (max-width: 1024px) {
  .nav__list,
  .nav__cta { display: none; }
  .nav { gap: 0; }
  .nav-toggle { display: grid; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .topbar__list--right { display: none; }
  .topbar__inner { justify-content: center; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { justify-content: center; text-align: center; }
}