/**
 * Layout Architecture
 * Iron & Smash Co. | Craft Smash Burgers & Truffle Fries
 */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  position: relative;
}

.section-lg {
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
}

.section-sm {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.section-bg-alt {
  background-color: var(--color-bg-secondary);
}

/* Header & Barra de Anuncio */
.top-bar {
  background-color: var(--color-text);
  color: #ffffff;
  font-size: var(--font-size-xs);
  padding: 0.5rem 0;
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.top-bar a {
  color: var(--color-primary);
  text-decoration: underline;
  margin-left: 0.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  transition: padding var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: height var(--transition-base);
}

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

/* Logo Industrial */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--color-text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.brand-logo svg {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.brand-logo span {
  display: block;
  line-height: 1.05;
}

.brand-logo .brand-sub {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--color-secondary);
  letter-spacing: 0.12em;
}

/* Navegación Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text);
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--color-secondary);
  transition: width var(--transition-fast);
}

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

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

/* Acciones en Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Menú Móvil / Drawer */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

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

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

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

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-xl);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 5rem 2rem 2rem;
  transition: right var(--transition-smooth);
  overflow-y: auto;
}

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

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 24, 33, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-text);
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

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

/* Footer Institucional Industrial */
.site-footer {
  background-color: hsl(var(--iron-h), var(--iron-s), var(--iron-l));
  color: hsl(var(--kraft-h), 25%, 92%);
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-lg);
  border-top: 4px solid var(--color-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-col h4 {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

.footer-col p {
  color: hsl(var(--kraft-h), 15%, 80%);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: hsl(var(--kraft-h), 15%, 85%);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: var(--font-size-xs);
  color: hsl(var(--kraft-h), 10%, 65%);
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: hsl(var(--kraft-h), 10%, 75%);
  text-decoration: underline;
}

.footer-legal-links a:hover {
  color: var(--color-primary);
}