/* =========================================================
   HEADER / NAVEGAÇÃO
   ========================================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: height var(--t-med), background var(--t-med), box-shadow var(--t-med), backdrop-filter var(--t-med);
  background: transparent;
}

.site-header.is-loaded {
  animation: headerEnter 0.9s var(--ease) both;
}

@keyframes headerEnter {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header.is-scrolled {
  height: var(--header-h-scrolled);
  background: rgba(27, 29, 31, 0.55);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: var(--shadow-md);
}

/* Páginas que não têm hero escuro precisam de header sempre visível */
.site-header.is-static {
  background: rgba(27, 29, 31, 0.92);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

.site-header.is-static.is-scrolled {
  background: rgba(27, 29, 31, 0.85);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}

.brand img {
  height: 38px;
  width: auto;
  transition: height var(--t-med);
}

.site-header.is-scrolled .brand img {
  height: 32px;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--stone-white);
  letter-spacing: 0.04em;
}

.brand__sub {
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-top: 2px;
}

/* Oculta subtítulo em telas que não têm espaço suficiente no header */
@media (max-width: 1280px) {
  .brand__sub {
    display: none;
  }
}

@media (max-width: 600px) {
  .brand img {
    height: 32px;
  }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.main-nav__list a {
  position: relative;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-on-dark);
  padding: 0.4rem 0.1rem;
  transition: color var(--t-fast);
  white-space: nowrap;
}

.main-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--stone-red);
  transition: width var(--t-fast);
}

.main-nav__list a:hover,
.main-nav__list a[aria-current="page"] {
  color: var(--stone-bronze-light);
}

.main-nav__list a:hover::after,
.main-nav__list a[aria-current="page"]::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-on-dark);
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}

.header-phone svg { flex-shrink: 0; }

.header-phone:hover {
  border-color: var(--stone-red);
  background: var(--stone-red);
  color: var(--stone-white);
}

/* Entre 1100px e 1280px: comprime gaps e oculta texto do telefone */
@media (max-width: 1280px) {
  .site-header .container {
    gap: var(--space-sm);
  }

  .main-nav {
    gap: var(--space-sm);
  }

  .main-nav__list {
    gap: 1rem;
  }

  .main-nav__list a {
    font-size: 0.82rem;
  }
}

/* Abaixo de 1180px: esconde texto do telefone, mantém só ícone */
@media (max-width: 1180px) {
  .header-phone__label {
    display: none;
  }

  .header-phone {
    padding: 0.5rem 0.75rem;
  }
}

/* Abaixo de 1100px: oculta subtítulo (já existia) */
@media (max-width: 1100px) {
  .brand__sub {
    display: none;
  }
}

/* Abaixo de 1040px: reduz logo */
@media (max-width: 1040px) {
  .brand img {
    height: 32px;
  }

  .brand__name {
    font-size: 1.1rem;
  }

  .main-nav__list {
    gap: 0.75rem;
  }
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  position: relative;
  flex-shrink: 0;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--stone-white);
  transition: transform var(--t-fast), opacity var(--t-fast), top var(--t-fast);
}

.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
  background: var(--stone-white);
}
.nav-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
  background: var(--stone-white);
}

@media (max-width: 980px) {
  .main-nav {
    position: fixed;
    inset: 0;
    top: var(--header-h-scrolled);
    background: rgba(20, 22, 23, 0.99);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: var(--space-lg) var(--container-pad);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--t-med);
    z-index: 999;
  }

  .main-nav.is-open {
    transform: translateX(0);
    background: rgb(20, 22, 23);
  }

  .main-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    width: 100%;
  }

  .main-nav__list a {
    font-size: 1.4rem;
    font-family: var(--font-display);
  }

  .nav-toggle {
    display: block;
  }

  .header-phone span.header-phone__label {
    display: none;
  }
}

/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
  background: var(--stone-charcoal);
  color: var(--text-on-dark-muted);
  padding: var(--space-2xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand img {
  height: 44px;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  max-width: 320px;
  font-size: 0.92rem;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 0.6rem;
  margin-top: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
  color: var(--text-on-dark);
}

.footer-social a:hover {
  background: var(--stone-red);
  border-color: var(--stone-red);
  color: var(--stone-white);
}

.footer-col h3 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-on-dark);
  margin-bottom: var(--space-sm);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col a,
.footer-col address {
  font-size: 0.92rem;
  line-height: 1.6;
  transition: color var(--t-fast);
  font-style: normal;
}

.footer-col a:hover {
  color: var(--stone-bronze-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  font-size: 0.82rem;
}

.footer-bottom a:hover {
  color: var(--text-on-dark);
}

@media (max-width: 980px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg) var(--space-md);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   WHATSAPP FLOAT BUTTON
   ========================================================= */

.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  transition: transform var(--t-fast);
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: var(--stone-white);
}