/* ============================================================
   HEADER & FOOTER — compartido en todas las páginas
   ============================================================ */

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  box-shadow: var(--shadow-sm);
  transition: background-color 400ms ease, border-color 400ms ease, box-shadow 400ms ease;
  overflow-x: clip;
  /* previene desbordamiento horizontal del header */
}

.header--scrolled {
  background: color-mix(in srgb, var(--color-surface) 96%, transparent);
  border-bottom-color: transparent;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 68px;
  min-width: 0;
  transition: height 400ms ease;
}

.header--scrolled .header__inner {
  height: 62px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.logo--header picture {
  display: flex;
  align-items: center;
}

.logo__img {
  display: block;
  width: auto;
  height: 52px;
  max-width: 190px;
  object-fit: contain;
}

.logo__img--footer {
  height: 42px;
  max-width: 150px;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  text-transform: uppercase;
}

.logo__sub {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Nav principal */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
  min-width: 0;
  flex-shrink: 1;
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--ease);
  letter-spacing: 0.01em;
  padding-block: var(--space-1);
  border-bottom: 2px solid transparent;
  transition: color var(--ease), border-color var(--ease);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav__cta {
  background: var(--color-accent);
  color: #fff;
  padding: 0.45em 1.1em;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.2;
  white-space: nowrap;
  align-self: center;
  box-shadow: 0 3px 10px rgba(232, 113, 10, 0.3);
  font-weight: 600;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background var(--ease), transform var(--ease);
  margin-left: var(--space-2);
}

.nav__cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(232, 113, 10, 0.4);
}

/* Acciones header derecha */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-2);
  flex-shrink: 0;
  /* no comprimir botones de idioma/tema */
}

/* Teléfono en header (desktop) */
.header__phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  padding: var(--space-1) var(--space-3);
  border: 1.5px solid var(--color-divider);
  border-radius: var(--radius-full);
  transition: border-color var(--ease), color var(--ease);
  white-space: nowrap;
}

.header__phone:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Redes sociales en header */
.header__socials {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__socials a {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--ease), color var(--ease);
}

.header__socials a:hover {
  background: var(--color-primary-xl);
  color: var(--color-primary);
}

/* Botón idioma EN/ES */
.lang-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 10px;
  min-width: 52px;
  height: 44px;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-divider);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
  white-space: nowrap;
}

.lang-btn:hover {
  background: var(--color-primary-xl);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Botón tema */
.theme-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--ease), color var(--ease);
}

.theme-btn:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Hamburguesa */
.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: background var(--ease);
}

.nav__toggle:hover {
  background: var(--color-surface-2);
}

/* ===== MENÚ MÓVIL ===== */
.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition:
    max-height 400ms ease,
    opacity 300ms ease,
    transform 400ms ease,
    visibility 0s linear 400ms;
}

.mobile-nav.is-open {
  max-height: calc(100dvh - 72px);
  overflow-y: auto;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0s;
}

.mobile-nav__link {
  min-height: 52px;
  display: flex;
  align-items: center;
  padding: var(--space-3) clamp(var(--space-4), 5vw, var(--space-8));
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  border-left: 3px solid transparent;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}

.mobile-nav__link:hover,
.mobile-nav__link.is-active {
  color: var(--color-primary);
  background: var(--color-primary-xl);
  border-left-color: var(--color-primary);
}

.mobile-nav__cta {
  margin: var(--space-4) var(--space-6) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-align: center;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav__cta:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.mobile-nav__socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.mobile-nav__socials a {
  color: var(--color-text-muted);
  transition: color var(--ease);
}

.mobile-nav__socials a:hover {
  color: var(--color-primary);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding-top: clamp(var(--space-16), 6vw, var(--space-24));
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Logo en footer */
.footer .logo__name {
  color: #fff;
}

.footer .logo__sub {
  color: rgba(255, 255, 255, 0.5);
}

.footer__tagline {
  font-size: var(--text-sm);
  line-height: 1.65;
  max-width: 32ch;
  color: rgba(255, 255, 255, 0.6);
}

/* Redes sociales footer */
.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer__socials a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.65);
  transition: background var(--ease), color var(--ease), transform var(--ease);
}

.footer__socials a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer__socials img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  padding: 2px;
  border-radius: 6px;
  background: #fff;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer__col a,
.footer__col p,
.footer__col span {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--ease);
  line-height: 1.5;
}

.footer__col a:hover {
  color: var(--color-accent);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer__contact-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.6;
}

/* Barra inferior */
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: var(--space-5);
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__bottom p,
.footer__bottom a {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
  transition: color var(--ease);
}

.footer__bottom a:hover {
  color: rgba(255, 255, 255, 0.7);
}

/* ===== RESPONSIVE ===== */

/* Tablet: cambia a hamburguesa antes de que el menú se comprima. */
@media (max-width: 1024px) {
  .header__inner {
    height: 72px;
    gap: var(--space-3);
  }

  .nav {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .header--scrolled .header__inner {
    height: 66px;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* Teléfonos y tablets pequeñas. */
@media (max-width: 768px) {
  .header__inner {
    gap: var(--space-2);
  }

  .logo__img {
    height: 48px;
    max-width: 165px;
  }

  .header__actions {
    gap: var(--space-2);
    margin-left: auto;
  }

  .lang-btn,
  .theme-btn,
  .nav__toggle {
    min-height: 48px;
  }

  .theme-btn,
  .nav__toggle {
    width: 48px;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .footer__bottom {
    padding-bottom: calc(var(--space-5) + 72px);
  }
}

@media (max-width: 600px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 520px) {
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* Pixel, iPhone y Android de ancho similar. */
@media (max-width: 430px) {
  .header__inner {
    height: 68px;
    gap: var(--space-1);
  }

  .logo__img {
    height: 44px;
    max-width: 145px;
  }

  .header__actions {
    gap: 0.375rem;
  }

  .lang-btn {
    min-width: 52px;
    height: 44px;
    padding-inline: 8px;
  }

  .theme-btn,
  .nav__toggle {
    width: 44px;
    min-height: 44px;
  }

  .mobile-nav.is-open {
    max-height: calc(100dvh - 68px);
  }

  .header--scrolled .header__inner {
    height: 64px;
  }
}

@media (max-width: 370px) {
  .header__inner {
    height: 64px;
  }

  .header--scrolled .header__inner {
    height: 60px;
  }

  .logo__img {
    height: 40px;
    max-width: 130px;
  }

  .mobile-nav.is-open {
    max-height: calc(100dvh - 64px);
  }
}

@media (prefers-reduced-motion: reduce) {

  .header,
  .header__inner,
  .mobile-nav {
    transition: none;
  }
}

.footer__credit {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  text-align: center;
  opacity: 0.7;
}

.footer__credit {
  font-size: 0.8rem;
  opacity: 0.65;
  text-align: center;
}

.footer__credit a:hover {
  color: var(--color-accent);
}