.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Menú principal compartido (mismo look que el inicio) */
.site-header {
  --nav-navy: #0d3178;
  --nav-blue: #1f6ef5;
  --nav-blue-dark: #1559cf;
  --nav-soft: #e8f2ff;
  --nav-line: #e3edf7;
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(227, 237, 247, 0.9);
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
}

.site-header-inner {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--nav-navy);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.03em;
  flex: none;
}

.site-logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
  flex: none;
  box-shadow: 0 6px 14px rgba(31, 110, 245, 0.28);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-inline: auto;
  min-width: 0;
}

.site-nav a {
  position: relative;
  color: #4d607a;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 0;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--nav-blue);
}

.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--nav-blue);
}

.site-nav a.site-access {
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--nav-blue);
  display: grid;
  place-items: center;
  flex: none;
}

.site-nav a.site-access svg {
  width: 26px;
  height: 26px;
  display: block;
}

.site-nav a.site-access:hover {
  background: var(--nav-soft);
  color: var(--nav-blue-dark);
}

.site-nav a.site-access::after {
  display: none;
}

.site-header-actions {
  display: flex !important;
  align-items: center;
  gap: 8px;
  flex: none;
  margin-left: auto;
}

.site-icon-btn svg {
  width: 24px;
  height: 24px;
  display: block;
}

.site-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--nav-navy);
  cursor: pointer;
}

.site-menu-toggle:hover,
.site-icon-btn:hover {
  background: var(--nav-soft);
}

.site-icon-btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--nav-navy);
  display: grid;
  place-items: center;
  text-decoration: none;
}

.site-buy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--nav-blue);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 14.5px;
  box-shadow: 0 10px 22px rgba(31, 110, 245, 0.26);
}

.site-buy:hover {
  background: var(--nav-blue-dark);
  color: #fff !important;
}

.site-buy .buy-short { display: none; }

.site-header + main .hero {
  padding-top: 2.75rem;
}

@media (max-width: 1040px) {
  .site-menu-toggle { display: inline-grid; place-items: center; }
  .site-header-inner { position: relative; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 22px 16px;
    border-bottom: 1px solid var(--nav-line);
    box-shadow: 0 16px 30px rgba(16, 40, 80, 0.06);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5fa;
  }
  .site-nav a.site-access {
    width: 42px;
    height: 42px;
    margin-top: 10px;
    padding: 0;
    border: 0;
  }
}

@media (max-width: 640px) {
  .site-logo { font-size: 15px; gap: 6px; }
  .site-logo-mark { width: 30px; height: 30px; }
  .site-header-inner { gap: 6px; width: min(1180px, calc(100% - 28px)); }
  .site-menu-toggle, .site-icon-btn { width: 36px; height: 36px; }
  .site-buy { min-height: 36px; padding-inline: 12px; font-size: 13px; }
  .site-buy .buy-long { display: none; }
  .site-buy .buy-short { display: inline; }
}