/* =============================================================
   Layout — Header, Navegação, Footer, Flutuantes
   ============================================================= */

/* --- HEADER ------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(251, 248, 242, 0.75);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition:
    background var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled {
  background: rgba(251, 248, 242, 0.92);
  border-bottom-color: rgba(15, 79, 90, 0.08);
  box-shadow: 0 1px 0 rgba(15, 79, 90, 0.04);
}
.site-header.nav-open {
  background: var(--cream-50);
    backdrop-filter: none;
      -webkit-backdrop-filter: none;
      }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: var(--space-3);
  min-height: var(--header-h);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.site-logo img {
  height: 48px;
  width: auto;
  transition: transform var(--dur-base) var(--ease-out);
}
.site-logo:hover img { transform: scale(1.02); }
@media (min-width: 960px) {
  .site-logo img { height: 52px; }
}

/* --- NAV DESKTOP ------------------------------------------- */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav__list li + li { margin-top: 0; }

.nav__link {
  display: inline-block;
  padding: var(--space-3) var(--space-3);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  letter-spacing: 0.005em;
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-out);
  position: relative;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: 10px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav__link:hover { color: var(--color-primary); }
.nav__link:hover::after,
.nav__link--active::after {
  transform: scaleX(1);
}
.nav__link--active { color: var(--color-primary); }

/* Dropdown */
.nav__has-dropdown { position: relative; }
.nav__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 260px;
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    visibility var(--dur-fast) var(--ease-out);
}
.nav__has-dropdown:hover > .nav__dropdown,
.nav__has-dropdown:focus-within > .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav__dropdown a {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.nav__dropdown a:hover {
  background: var(--cream-100);
  color: var(--color-primary);
}

/* Toggle mobile */
.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-heading);
  transition: background var(--dur-fast) var(--ease-out);
}
.nav__toggle:hover { background: var(--cream-100); }
.nav__toggle svg { width: 22px; height: 22px; }
.nav__toggle .icon-close { display: none; }
.nav[data-open="true"] .nav__toggle .icon-open { display: none; }
.nav[data-open="true"] .nav__toggle .icon-close { display: block; }

@media (max-width: 960px) {
  .nav__toggle { display: inline-flex; }
  .nav__list {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-5) clamp(1.25rem, 4vw, 2rem);
    background: var(--cream-50);
    border-top: 1px solid var(--color-border);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition:
      transform var(--dur-base) var(--ease-out),
      opacity var(--dur-base) var(--ease-out);
    overflow-y: auto;
    z-index: var(--z-menu);
  }
  .nav[data-open="true"] .nav__list {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__link {
    padding: var(--space-4) 0;
    font-size: var(--fs-md);
    border-bottom: 1px solid rgba(15, 79, 90, 0.08);
    border-radius: 0;
  }
  .nav__link::after { display: none; }
  .nav__has-dropdown .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0 0 var(--space-3) var(--space-4);
    min-width: 0;
  }
  .nav__dropdown a {
    padding: var(--space-2) 0;
    color: var(--color-text-muted);
  }
  .nav__list .btn {
    margin-top: var(--space-4);
    align-self: flex-start;
  }
}

/* --- FOOTER ------------------------------------------------ */
.site-footer {
  background: var(--teal-900);
  color: rgba(255, 255, 255, 0.74);
  padding-block: var(--space-8) var(--space-5);
  margin-top: var(--space-9);
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(183, 144, 76, 0.12), transparent 45%),
    radial-gradient(ellipse at 85% 100%, rgba(46, 143, 154, 0.15), transparent 50%);
  pointer-events: none;
}
.site-footer .container { position: relative; }

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--dur-fast) var(--ease-out);
}
.site-footer a:hover { color: var(--gold-300); }

.footer-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
.footer-col { min-width: 0; }
@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr);
    gap: var(--space-7);
  }
}

.footer-logo img {
  height: 56px;
  width: auto;
  filter: brightness(0) saturate(100%) invert(98%) sepia(8%) saturate(260%) hue-rotate(4deg) brightness(102%);
  opacity: 0.92;
}

.footer-brand-desc {
  margin-top: var(--space-5);
  max-width: 340px;
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
  color: rgba(255, 255, 255, 0.72);
}

.footer-credential {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.footer-heading {
  color: var(--white);
  font-family: var(--font-sans);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li + li { margin-top: var(--space-3); }
.footer-nav a {
  font-size: var(--fs-sm);
  display: inline-block;
  position: relative;
}
.footer-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--gold-300);
  transition: width var(--dur-base) var(--ease-out);
}
.footer-nav a:hover::after { width: 100%; }

.social-list {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0 0;
  display: flex;
  gap: var(--space-3);
}
.social-list li + li { margin-top: 0; }
.social-list a {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}
.social-list a::after { display: none; }
.social-list a:hover {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--white);
  transform: translateY(-2px);
}
.social-list svg { width: 16px; height: 16px; }

.footer-base {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.5);
}
.footer-base a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.65);
}
.footer-base a:hover { color: var(--gold-300); }

/* --- FAB WhatsApp ------------------------------------------ */
.fab-whatsapp {
  position: fixed;
  right: clamp(1rem, 2.5vw, 1.75rem);
  bottom: clamp(1rem, 2.5vw, 1.75rem);
  z-index: var(--z-sticky);
  width: 56px;
  height: 56px;
  background: #25D366;
  color: var(--white);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35), 0 2px 6px rgba(0, 0, 0, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
.fab-whatsapp:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.45), 0 4px 8px rgba(0, 0, 0, 0.14);
  color: var(--white);
}
.fab-whatsapp svg { width: 26px; height: 26px; }
.fab-whatsapp__pulse {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: #25D366;
  opacity: 0;
  animation: fab-pulse 3s var(--ease-out) infinite;
  z-index: -1;
}
@keyframes fab-pulse {
  0%   { transform: scale(1); opacity: 0.45; }
  70%  { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .fab-whatsapp__pulse { animation: none; }
}

/* Evita conflito com cookie banner em mobile — eleva FAB quando banner visível */
body[data-cookie-visible="true"] .fab-whatsapp {
  bottom: 140px;
}
@media (min-width: 640px) {
  body[data-cookie-visible="true"] .fab-whatsapp {
    bottom: clamp(1rem, 2.5vw, 1.75rem);
  }
}