/* TransformX — Layout (shared chrome: header, mobile menu, footer) */

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  background: var(--surface-glass);
  backdrop-filter: blur(var(--blur-header));
  -webkit-backdrop-filter: blur(var(--blur-header));
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}

.nav__link:hover,
.nav__link.is-active,
.nav__link[aria-current="page"] {
  color: var(--transform-blue);
  background: var(--surface-blue);
}

nav a.active {
  color: var(--color-primario);
  border-bottom: 2px solid var(--color-primario);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--size-touch-target);
  height: var(--size-touch-target);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.header__menu-toggle:hover {
  background: var(--surface-secondary);
}

.header__menu-toggle svg {
  width: var(--size-icon-md);
  height: var(--size-icon-md);
}

@media (min-width: 1024px) {
  .nav {
    display: block;
  }

  .header__menu-toggle {
    display: none;
  }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--overlay-navy);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: var(--size-nav-drawer);
  height: 100%;
  background: var(--white);
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.nav__list--drawer {
  flex-direction: column;
  align-items: stretch;
}

.nav__link--drawer {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav__link--drawer:hover,
.nav__link--drawer.is-active,
.nav__link--drawer[aria-current="page"] {
  background: var(--surface-blue);
  color: var(--transform-blue);
}

.mobile-menu__actions {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mobile-menu__actions .btn {
  width: 100%;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--deep-navy);
  color: rgba(255, 255, 255, 0.8);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__grid {
  display: grid;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .footer__grid {
    grid-template-columns: 1.5fr repeat(3, 1fr) 1.2fr;
  }
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer__brand .logo-text {
  color: var(--white);
}

.footer__brand .logo-text__suffix {
  color: var(--transformation-cyan);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.footer__social-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.footer__social-link svg {
  width: var(--size-icon-sm);
  height: var(--size-icon-sm);
}

.footer__column-title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  color: var(--white);
  margin-bottom: var(--space-4);
  font-family: var(--font-heading);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--white);
}

.footer__newsletter p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-4);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer__bottom-links a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.footer__bottom-links a:hover {
  color: var(--white);
}