/* ============================================
   Glassmorphism layer for Bootstrap
   - Keeps Bootstrap utilities/components
   - Adds glass cards, buttons, footer/nav styling
   ============================================ */

/* Dark theme base overrides */
:root, [data-bs-theme=dark] {
  --bs-body-bg: transparent;
  --bs-body-color: var(--txt);
  --bs-border-color: var(--glass-border);
  --bs-card-bg: transparent;
  --bs-card-border-color: var(--glass-border);
  --bs-card-cap-bg: transparent;
  --bs-link-color: var(--txt);
  --bs-link-hover-color: var(--accent);
  --bs-emphasis-color: var(--txt);
}

/* Glass primitives */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-radius: var(--radius-2xl);
}
.glass-strong {
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(calc(var(--blur) * 1.2));
  -webkit-backdrop-filter: blur(calc(var(--blur) * 1.2));
  border-radius: var(--radius-2xl);
}

/* Buttons */
.btn {
  border-radius: 12px;
}
.btn-outline {
  border: 1px solid var(--glass-border);
  background: transparent;
  color: var(--txt);
}
.btn-ghost {
  border: 1px solid transparent;
  background: transparent;
  color: var(--txt);
  opacity: .9;
}
.btn-outline:hover,
.btn-ghost:hover {
  transform: translateY(-1px);
  transition: transform var(--t-fast);
}

/* Icon button for socials */
.btn-icon {
  width: 38px; height: 38px;
  padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--txt);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.btn-icon:hover, .btn-icon:focus-visible {
  background: var(--glass);
  border-color: var(--glass-border);
  transform: translateY(-1px);
}
.btn-icon svg {
  width: 18px; height: 18px; fill: currentColor;
}

/* Footer glass */
.site-footer {
  border-top: 1px solid var(--glass-border);
  background: linear-gradient(180deg, rgba(8,18,32,.40), rgba(8,18,32,.60));
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
}
.site-footer .footer-single-line {
  padding: 18px clamp(16px, 3vw, 32px);
}
.site-footer .footer-single-line > .row:first-child {
  margin: 0;
}
.site-footer .footer-single-line > .row:last-child {
  margin-top: 0.5rem;
  margin-left: 0;
  margin-right: 0;
}
.site-footer .footer-brand {
  justify-self: start;
}
.site-footer .footer-social {
  display: flex;
  align-items: center;
}
@media (max-width: 991px) {
  .site-footer .footer-single-line > .row:first-child {
    justify-content: center;
  }
  .site-footer .footer-single-line .col-3,
  .site-footer .footer-single-line .col-auto {
    width: 100%;
    text-align: center !important;
  }
  .site-footer .footer-brand {
    justify-content: center;
  }
  .site-footer .footer-social {
    justify-content: center !important;
  }
}
.footer-brand .logo { width: 40px; height: 40px; color: var(--accent); }

/* Copyright text */
.footer-copyright {
  font-size: 0.875rem;
}

/* Glass badges */
.badge.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--txt);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.badge.glass:hover {
  background: var(--glass-strong);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Stat cards */
.stat-card {
  transition: transform var(--t-med), background var(--t-med), border-color var(--t-med);
  border: 1px solid transparent;
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

/* Links as minimal glass chips */
.footer-nav a.btn.btn-ghost {
  padding: 6px 10px;
  border-radius: 10px;
}
.footer-nav a.btn.btn-ghost[aria-current="page"] {
  background: var(--glass);
  border: 1px solid var(--glass-border);
}
.footer-nav a.btn.btn-ghost:hover,
.footer-nav a.btn.btn-ghost:focus-visible {
  background: var(--glass);
  outline: none;
  transform: translateY(-1px);
}