/* ==========================================================================
   CASA URUSVATI — LAYOUT CSS (Header, Footer, Grid, Containers)
   Arquitetura Estática Limpa — Zero WordPress / Zero Divi
   ========================================================================== */

/* 1. Header Fixo & Flutuante Translúcido */
.site-header {
  position: fixed;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: var(--container-width);
  max-width: var(--container-max-width);
  z-index: 9999;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-header);
  box-shadow: var(--shadow-header);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.scrolled {
  top: 8px;
  box-shadow: 0 4px 24px rgba(108, 0, 191, 0.32);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 30px;
  position: relative;
}

/* Logo Coaxialmente Centralizado */
.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo img {
  max-height: 52px;
  width: auto;
  display: block;
}

/* Navegação Desktop */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-menu li a {
  font-family: 'Montserrat', Helvetica, Arial, Lucida, sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 6px;
  display: block;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--color-primary);
  opacity: 0.7;
}

/* Botão Menu Mobile (Hamburguer) */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  gap: 5px;
  z-index: 10001;
}

.mobile-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Menu Dropdown Mobile */
.mobile-nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 100%;
  background: var(--color-white);
  border-radius: var(--radius-header);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  padding: 15px 0;
  list-style: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.mobile-nav-dropdown.open {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-nav-dropdown li a {
  display: block;
  padding: 12px 24px;
  font-family: 'Montserrat', Helvetica, Arial, Lucida, sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-nav-dropdown li:last-child a {
  border-bottom: none;
}

.mobile-nav-dropdown li a:hover,
.mobile-nav-dropdown li a.active {
  color: var(--color-primary);
  opacity: 0.8;
  background-color: var(--color-bg-light);
}

/* 2. Containers e Estruturas de Conteúdo */
.container {
  width: var(--container-width);
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
}

.container-narrow {
  width: var(--container-width);
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
}

.container-small {
  width: var(--container-width);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* 3. Rodapé Oficial da Casa Urusvati */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 70px 0 0;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 50px;
}

.footer-col h3 {
  font-family: var(--font-title);
  font-size: 26px;
  color: var(--color-footer-text-light);
  font-weight: 500;
  margin-bottom: 22px;
  letter-spacing: 0.3px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 7px;
  line-height: 1.4;
}

.footer-links li a {
  color: var(--color-footer-text);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.footer-links li a:hover {
  color: var(--color-footer-text-light);
  transform: translateX(3px);
}

.footer-links li span {
  color: var(--color-footer-text);
  font-size: 14px;
}

.footer-links li small {
  font-size: 12px;
  opacity: 0.8;
}

/* Barra Inferior de Copyright & Crédito */
.footer-bottom {
  background-color: var(--color-footer-bottom);
  padding: 13px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--color-footer-text);
  line-height: 16px;
}

.footer-bottom-inner p {
  margin: 0;
  font-size: 11.5px;
  line-height: 16px;
  display: flex;
  align-items: center;
}

.footer-credit a {
  display: flex;
  align-items: center;
  opacity: 0.9;
  transition: opacity 0.2s ease;
}

.footer-credit a:hover {
  opacity: 1;
}

.footer-credit img {
  width: 71px;
  height: 16px;
  display: block;
}

/* 4. Regras Responsivas de Layout */
@media (max-width: 980px) {
  .site-nav {
    display: none;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
  }
  
  .header-inner {
    padding: 10px 20px;
  }
  
  .site-logo img {
    max-height: 44px;
  }
}

@media (max-width: 640px) {
  .site-header {
    top: 10px;
    width: 94%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  
  .footer-links li a:hover {
    transform: none;
  }
  
  .footer-bottom-inner {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
}