/* شريط العنوان */
.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.masthead-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
}

.masthead-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--bg-accent-strong);
  color: #111827;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.14);
}

.brand-icon i {
  font-size: 18px;
}

.brand-name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.masthead-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--bg-accent-strong);
  color: #111827;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  transition: background-color var(--transition), transform var(--transition);
}

.masthead-cta:hover {
  background: #fcd34d;
}

.masthead-cta i {
  font-size: 15px;
}

/* تجاوب شريط العنوان */
@media (max-width: 640px) {
  .masthead-cta {
    flex: 1;
    justify-content: center;
  }

  .masthead-bar {
    padding-inline: 18px;
  }
}