/* ============================================
   TOPBAR — THEME 5: NEON NIGHTS (STRUCTURAL)
   ============================================ */

:root {
  --ebtb20-topbar-background-color: linear-gradient(135deg, #070b16 0%, #0f172a 100%);
  --ebtb20-topbar-border-color: transparent;
  --ebtb20-topbar-social-icon-color: #475569;
  --ebtb20-topbar-social-icon-hover-color: #00e5ff;
  --ebtb20-topbar-contact-text-color: #94a3b8;
  --ebtb20-topbar-contact-icon-color: #f472b6;
  --ebtb20-topbar-contact-hover-text-color: #00e5ff;
  --ebtb20-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* STRUCTURAL: taller, centered, stacked layout */
.ebtb20-top-bar {
  background: var(--ebtb20-topbar-background-color);
  border-bottom: none;
  padding: 0.75rem 2rem;
  font-size: 0.8rem;
}

.ebtb20-top-bar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}

/* STRUCTURAL: icons with background squares */
.ebtb20-social-icons {
  display: flex;
  gap: 0.6rem;
}

.ebtb20-social-icon {
  color: var(--ebtb20-topbar-social-icon-color);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.35s var(--ebtb20-ease);
  font-size: 0.75rem;
}

.ebtb20-social-icon:hover {
  color: var(--ebtb20-topbar-social-icon-hover-color);
  background: rgba(0, 229, 255, 0.08);
  border-color: rgba(0, 229, 255, 0.3);
  transform: translateY(-2px);
}

.ebtb20-contact-info {
  display: flex;
  gap: 1.5rem;
}

/* STRUCTURAL: contact link with underline grow */
.ebtb20-contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ebtb20-topbar-contact-text-color);
  font-weight: 600;
  transition: all 0.3s var(--ebtb20-ease);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
}

.ebtb20-contact-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 1px;
  background: var(--ebtb20-topbar-contact-icon-color);
  transition: width 0.3s var(--ebtb20-ease);
}

.ebtb20-contact-link:hover::after {
  width: 100%;
}

.ebtb20-contact-link i {
  color: var(--ebtb20-topbar-contact-icon-color);
}

.ebtb20-contact-link:hover {
  color: var(--ebtb20-topbar-contact-hover-text-color);
}

@media (max-width: 768px) {
  .ebtb20-top-bar-container {
    flex-direction: column;
    gap: 0.6rem;
    align-items: center;
  }

  .ebtb20-social-icons {
    justify-content: center;
  }

  .ebtb20-contact-info {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.25rem;
  }
}

@media (max-width: 350px) {
  .ebtb20-contact-link span {
    display: none;
  }
}