/**
 * STREET DOGS | Craft Hot Dogs & Urban Diner
 * Layout System, Sticky Header, Announcement Bar & Footer
 */

/* ==========================================================================
   CONTAINERS & WRAPPERS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-sm {
  max-width: var(--container-sm);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-md {
  max-width: var(--container-md);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-lg {
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-fluid {
  width: 100%;
  padding-inline: var(--container-padding);
}

/* Secciones generales con espaciado amplio */
.section {
  padding-block: var(--section-padding-y);
  position: relative;
}

.section-alt {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

/* ==========================================================================
   TOP ANNOUNCEMENT BAR
   ========================================================================== */
.announcement-bar {
  background-color: var(--color-text);
  color: var(--color-text-light);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--container-padding);
  position: relative;
  z-index: calc(var(--z-sticky) + 1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  text-align: center;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  animation: pulseGreen 2s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulseGreen {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

/* ==========================================================================
   HEADER PRINCIPAL STICKY
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header.scrolled {
  padding-block: var(--space-2);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: var(--header-height);
  transition: height var(--transition-normal);
}

.site-header.scrolled .header-inner {
  height: 68px;
}

/* Logo */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-text);
  text-decoration: none;
}

.brand-badge {
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

/* Navegación Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
  padding-block: var(--space-2);
  transition: color var(--transition-fast);
}

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

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
}

/* Acciones en Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Botón alternador de tema */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--color-surface-alt);
  border-color: var(--color-border-hover);
}

/* Botón Hamburger Móvil */
.menu-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.menu-toggle-bar {
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

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

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

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

/* Cajón móvil de navegación (Drawer) */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(85vw, 360px);
  height: 100vh;
  background-color: var(--color-bg);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-drawer);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-xl);
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: calc(var(--z-drawer) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-nav-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  list-style: none;
  margin-top: var(--space-6);
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  display: block;
}

.mobile-nav-link.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ==========================================================================
   FOOTER INSTITUCIONAL COMPLETO
   ========================================================================== */
.site-footer {
  background-color: var(--color-text);
  color: var(--color-text-light);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
  border-top: 4px solid var(--color-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr) 1.5fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-col h4 {
  font-size: var(--text-base);
  color: #ffffff;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  font-weight: 800;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-secondary);
}

.footer-brand-desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  margin-top: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-badge-demo {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-xs);
  margin-top: var(--space-2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-legal-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: underline;
  text-underline-offset: 3px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-xs);
  padding: 0;
}

.footer-legal-link:hover {
  color: #ffffff;
}