/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

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

.site-header__logo img {
  height: 32px;
  width: auto;
}

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

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav__list a {
  position: relative;
  padding-block: 0.4rem;
  color: rgba(255, 255, 255, 0.78);
  transition: color var(--transition-fast);
}

.site-nav__list a:hover,
.site-nav__list a[aria-current="page"] {
  color: #fff;
}

.site-nav__list a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: 1.15rem;
    width: 100%;
  }

  .site-nav__cta {
    width: 100%;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-block: var(--space-xl);
}

.site-footer__logo {
  margin-bottom: var(--space-sm);
}

.site-footer__brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  max-width: 32ch;
  margin-bottom: var(--space-sm);
}

.site-footer__social {
  display: flex;
  gap: 0.6rem;
}

.site-footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.site-footer__social a:hover,
.site-footer__social a:focus-visible {
  background: var(--color-secondary);
  transform: translateY(-2px);
}

.site-footer__social svg {
  width: 18px;
  height: 18px;
  display: block;
}

.site-footer__col h3 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.site-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
}

.site-footer__col li {
  color: rgba(255, 255, 255, 0.7);
  padding-block: 0.35rem;
}

.site-footer__col a {
  display: inline-block;
  /* Área de toque confortável no celular */
  padding-block: 0.25rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.site-footer__col a:hover,
.site-footer__col a:focus-visible {
  color: #fff;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-secondary-lighter);
}

.site-footer__bottom p {
  color: var(--color-secondary-lighter);
}

@media (max-width: 900px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}