/* ============================================================
   CampusCoders — UI Components & Utilities
   ============================================================ */

/* ─── Hero Canvas Background ────────────────────────────── */
#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

/* ─── Feature Icon Boxes ────────────────────────────────── */
.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.25);
  margin-bottom: 16px;
}

/* ─── Card Enhancements ─────────────────────────────────── */
.card-hover {
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.25s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.5), 0 0 20px rgba(37, 99, 235, 0.15);
  border-color: rgba(37, 99, 235, 0.4);
}

/* ─── Badges & Tags ─────────────────────────────────────── */
.badge-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ─── Code Snippet Container ────────────────────────────── */
.code-window {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.code-window-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.code-content {
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.65;
  color: #e6edf3;
  overflow-x: auto;
}

/* ─── Breadcrumbs ────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.breadcrumb a:hover {
  color: var(--accent-blue);
}
.breadcrumb-sep {
  color: var(--border);
}

/* ─── WhatsApp & Floating Buttons ────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: #25D366;
  color: #fff;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
  color: #fff;
}
.wa-icon { font-size: 1.2rem; }

/* ─── Back To Top Button ─────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 175px;
  z-index: 998;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}
.back-to-top:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}
.back-to-top.visible {
  display: flex;
}