/**
 * @file site-chrome.css
 * @description Estructura común de la landing: contenedor, enlace de salto, navegación flotante y footer
 * @copyright 2026 Custom AI Solutions Lab SL. All Rights Reserved.
 */

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container { padding: 0 2.5rem; }
}

body.is-locked { overflow: hidden; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 2000;
  background: var(--rl-carbon);
  color: var(--rl-white);
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus { top: 1rem; }

/* ==========================================================================
   NAVEGACIÓN FLOTANTE
   ========================================================================== */
.site-header {
  position: sticky;
  top: 1.25rem;
  z-index: 1000;
  padding: 0 1rem;
  pointer-events: none;
}

.nav-pill {
  position: relative;
  pointer-events: auto;
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.6rem 0.8rem 0.6rem 1.3rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(229, 229, 229, 0.85);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-floating-nav);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  color: var(--rl-carbon);
}

.nav-brand-logo {
  height: 28px;
  width: auto;
  border-radius: 6px;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
}

.nav-link {
  display: block;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  color: #444444;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover { color: var(--rl-carbon); background: var(--rl-bone-warm); }
.nav-link.is-active { color: var(--rl-carbon); background: var(--rl-bone-warm); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.lang-toggle-btn {
  min-width: 2.6rem;
  padding: 0.4rem 0.7rem;
  background: var(--rl-bone-warm);
  border: 1px solid var(--rl-light-gray);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--rl-carbon);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.lang-toggle-btn:hover { background: #E2DFD8; }

.nav-login-link {
  display: none;
  padding: 0.45rem 0.7rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--rl-carbon);
}

.nav-login-link:hover { opacity: 0.7; }

.nav-cta { display: none; padding: 0.55rem 1.2rem; }

@media (min-width: 768px) {
  .nav-login-link, .nav-cta { display: inline-flex; }
}

.nav-mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0 10px;
  cursor: pointer;
}

.nav-mobile-toggle span {
  display: block;
  height: 2px;
  background: var(--rl-carbon);
  border-radius: 2px;
}

@media (min-width: 960px) {
  .nav-mobile-toggle { display: none; }
}

.mobile-menu {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  list-style: none;
  padding: 1rem;
  background: var(--rl-white);
  border: 1px solid var(--rl-light-gray);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-mockup);
}

.mobile-menu[hidden] { display: none; }

.mobile-menu a {
  display: block;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.mobile-menu a:hover { background: var(--rl-bone-warm); }
.mobile-menu .btn-pill { width: 100%; margin-top: 0.5rem; }

/* ==========================================================================
   FOOTER: copyright y redes a la izquierda, normativa a la derecha
   ========================================================================== */
.site-footer {
  background: #111111;
  color: #B5B5B5;
  padding: 2rem 0;
  font-size: var(--text-sm);
}

.footer-bar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

@media (min-width: 960px) {
  .footer-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-left {
  display: flex;
  flex-wrap: wrap;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.75rem 1.5rem;
}

.footer-copyright {
  max-width: 17rem;
  color: #B5B5B5;
  font-size: var(--text-sm);
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.footer-social[hidden] { display: none; }

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  color: #E5E5E5;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.footer-social a:hover { background: #FFFFFF; color: #111111; }

.footer-right { min-width: 0; }

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
}

@media (min-width: 960px) {
  .footer-legal-links { justify-content: flex-end; }
}

.footer-legal-links a,
.link-button {
  display: inline-block;
  padding: 0.3rem 0;
  color: #B5B5B5;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.footer-legal-links a:hover,
.link-button:hover {
  color: #FFFFFF;
  text-decoration-color: currentColor;
}

.site-footer :focus-visible { outline-color: #FFFFFF; }