/* ============================================================================
 * header-canonical.css — Header estándar NormaCode (público)
 * v1.0.0 — 2026-06-15 (pase 60)
 *
 * Análogo al footer-canonical.css. Aplicado a 13 páginas marketing tras
 * auditoría completa de navegación (SITE_NAVIGATION_MAP_2026-06-15.md +
 * ADR 2026-06-15_HEADER_CANONICO_PUBLIC_PAGES.md).
 *
 * Estructura: brand left + 4 items nav + 2 CTAs derecha.
 *   Nav: Normas · Demo · Precios · Evaluador
 *   CTAs: "Iniciar sesión" (texto) + "Postular al Beta" (botón cyan)
 *
 * Páginas que lo usan: login, normas, demo, demo/multifamiliar, about,
 *   beta-apply, roadmap, status, v/, cobertura-pais, terminos, privacidad,
 *   cookies, arco.
 *
 * Páginas que NO lo usan (justificadas):
 *   plans (header propio "Volver"), app/ (sidebar SPA),
 *   404, 500 (simplificados), payment-success (post-flow),
 *   register-beta (token-gated).
 * ========================================================================= */

.nc-canonical-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 12, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border, #2a2a30);
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-family: 'Inter', -apple-system, sans-serif;
}

/* === Brand === */
.nc-canonical-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text, #fff);
  flex-shrink: 0;
}
.nc-canonical-nav-logo {
  width: 22px;
  height: 22px;
  display: block;
}
/* Brand pattern: > NORMA_CODE (SSOT BRAND_SYSTEM/normacode/logo.svg).
   Prompt > gray #71717a (regular) + NORMA white bold + _CODE green #4ade80 regular. */
.nc-canonical-nav-brand-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nc-canonical-nav-brand-prompt {
  color: #71717a;
  font-weight: 400;
  margin-right: 0.18em;
}
.nc-canonical-nav-brand-name {
  color: #fff;
  font-weight: 700;
}
.nc-canonical-nav-brand-accent {
  color: #4ade80;
  font-weight: 400;
}

/* === Nav items (desktop) === */
.nc-canonical-nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  justify-content: center;
}
.nc-canonical-nav-links li { margin: 0; }
.nc-canonical-nav-links a {
  color: var(--text-secondary, #c9c9d1);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 0.35rem 0;
  position: relative;
  transition: color 0.18s ease-out;
}
.nc-canonical-nav-links a:hover { color: var(--text, #fff); }
.nc-canonical-nav-links a.is-active,
.nc-canonical-nav-links a[aria-current="page"] {
  color: var(--cyan, #22d3ee);
}
.nc-canonical-nav-links a.is-active::after,
.nc-canonical-nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  background: var(--cyan, #22d3ee);
  border-radius: 1px;
}

/* === CTAs derecha === */
.nc-canonical-nav-ctas {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}
.nc-canonical-nav-login {
  color: var(--text-secondary, #c9c9d1);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.45rem 0.25rem;
  transition: color 0.18s ease-out;
}
.nc-canonical-nav-login:hover { color: var(--text, #fff); }
.nc-canonical-nav-cta {
  background: var(--cyan, #22d3ee);
  color: #0a0a0c;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--cyan, #22d3ee);
  transition: background 0.18s ease-out, transform 0.18s ease-out;
  white-space: nowrap;
}
.nc-canonical-nav-cta:hover {
  background: #67e8f9;
  border-color: #67e8f9;
}
.nc-canonical-nav-cta:active { transform: translateY(1px); }

/* === Focus visible (WCAG 2.4.7) === */
.nc-canonical-nav a:focus-visible,
.nc-canonical-nav button:focus-visible {
  outline: 2px solid var(--cyan, #22d3ee);
  outline-offset: 3px;
  border-radius: 4px;
}

/* === Hamburger (mobile) === */
.nc-canonical-nav-hamburger {
  display: none;
  background: transparent;
  border: 1px solid var(--border, #2a2a30);
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text, #fff);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}
.nc-canonical-nav-hamburger svg { width: 22px; height: 22px; display: block; }

/* === Mobile overlay menu === */
.nc-canonical-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 7, 0.98);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  flex-direction: column;
  padding: 1.5rem 1.5rem 2rem;
  overflow-y: auto;
}
.nc-canonical-nav-overlay.is-open { display: flex; }
.nc-canonical-nav-overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}
.nc-canonical-nav-overlay-close {
  background: transparent;
  border: 1px solid var(--border, #2a2a30);
  color: var(--text, #fff);
  border-radius: 6px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nc-canonical-nav-overlay-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.nc-canonical-nav-overlay-links a {
  color: var(--text, #fff);
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 500;
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border, #2a2a30);
}
.nc-canonical-nav-overlay-links a.is-active {
  color: var(--cyan, #22d3ee);
}
.nc-canonical-nav-overlay-ctas {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.nc-canonical-nav-overlay-ctas a {
  text-align: center;
  padding: 0.95rem 1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
}
.nc-canonical-nav-overlay-ctas .nc-canonical-nav-login {
  color: var(--text, #fff);
  border: 1px solid var(--border, #2a2a30);
  background: transparent;
}
.nc-canonical-nav-overlay-ctas .nc-canonical-nav-cta {
  background: var(--cyan, #22d3ee);
  color: #0a0a0c;
  border: 1px solid var(--cyan, #22d3ee);
}
.nc-canonical-nav-overlay-cred {
  margin-top: auto;
  padding-top: 2rem;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--text-muted, #8a8a92);
  line-height: 1.55;
}

/* === Mobile breakpoint === */
@media (max-width: 880px) {
  .nc-canonical-nav-links,
  .nc-canonical-nav-ctas { display: none; }
  .nc-canonical-nav-hamburger { display: flex; }
  .nc-canonical-nav {
    padding: 0.7rem 1rem;
  }
}

/* Prevent body scroll while overlay open */
body.nc-nav-overlay-open { overflow: hidden; }