/* ============================================
   INTERFALA - LAYOUT (Header, Footer, Nav)
   ============================================ */

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--border-color-light);
  box-shadow: var(--shadow-sm);
}

.header .container {
  width: 100%;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
}

/*
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.logo-icon svg {
  width: 24px;
  height: 24px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.logo-text span {
  color: var(--color-primary);
}
*/

/* Navigation Desktop */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

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

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding: var(--spacing-sm) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Mobile menu toggle button */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--color-bg-tertiary);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-fixed) + 5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Menu Panel */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 320px;
  background: var(--color-bg-primary);
  z-index: calc(var(--z-fixed) + 10);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  flex-direction: column;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--border-color-light);
}

.mobile-menu-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.mobile-menu-close:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.mobile-menu-close svg {
  width: 24px;
  height: 24px;
}

.mobile-nav-list {
  padding: var(--spacing-md) 0;
  flex: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.mobile-nav-link.active {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.05);
  border-left-color: var(--color-primary);
}

.mobile-nav-actions {
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  border-top: 1px solid var(--border-color-light);
}

.mobile-nav-actions .btn-block {
  width: 100%;
  justify-content: center;
}

.mobile-nav-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: center;
  border-top: 1px solid var(--border-color-light);
}

.mobile-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.mobile-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.mobile-social a:hover {
  background: var(--color-primary);
  color: white;
}

.mobile-nav-footer p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: 0;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: var(--spacing-5xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo {
  margin-bottom: var(--spacing-lg);
}

.footer-brand .logo-text {
  color: white;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: white;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-column h5 {
  color: white;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-legal a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal a:hover {
  color: white;
}

/* Meta Partner Badge */
.meta-partner-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--spacing-md);
}

.meta-partner-badge svg {
  width: 20px;
  height: 20px;
}

/* ========== PAGE HERO ========== */
.page-hero {
  padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.page-hero h1 {
  margin-bottom: var(--spacing-md);
}

.page-hero p {
  font-size: var(--font-size-lg);
}

/* ========== MAIN CONTENT ========== */
main {
  min-height: calc(100vh - var(--header-height));
}

/* Offset para links de âncora */
[id] {
  scroll-margin-top: calc(var(--header-height) + var(--spacing-xl));
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-brand {
    grid-column: span 2;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .mobile-menu {
    display: flex;
  }
  
  .mobile-menu-overlay {
    display: block;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .page-hero {
    padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
  }
}