/* ==========================================================================
   LAYOUT — Header, Navegación y Footer
   Design System Synera Arenys v1.0
   ========================================================================== */

/* ------------------------------ HEADER ------------------------------ */
.header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--borde-color);
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-container img {
  display: block;
  height: 42px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--azul-synera);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.logo-subtitle {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--cyan-synera);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-item a {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--azul-synera);
  position: relative;
  padding: 0.5rem 0;
}

.nav-item a:hover,
.nav-item a.active {
  color: var(--cyan-synera);
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--cyan-synera);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Botón Hamburguesa Móvil */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--azul-synera);
}

/* ------------------------------ FOOTER ------------------------------ */
.footer {
  background-color: var(--azul-synera);
  color: var(--blanco);
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .logo-container img {
  height: 42px; /* con proporción 3:1 del logo (1500x500px) da ~126px de ancho, por encima del mínimo de 120px del manual de marca */
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: var(--blanco);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--cyan-synera);
}

.footer-desc {
  color: #94A3B8;
  font-size: 0.9rem;
  margin: 1.25rem 0 1.5rem 0;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #CBD5E1;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--cyan-synera);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: #CBD5E1;
  font-size: 0.88rem;
  margin-bottom: 0.85rem;
  min-width: 0;
}

.footer-contact-item span {
  overflow-wrap: break-word;
}

.footer-contact-item svg {
  color: var(--cyan-synera);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  color: #94A3B8;
  font-size: 0.85rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--cyan-synera);
  color: var(--blanco);
  transform: translateY(-2px);
}

.social-icon img {
  width: 18px;
  height: 18px;
  display: block;
}