/* =====================================================
   UTILITIES
   ===================================================== */

/* --- Back to Top Button --- */
#back-to-top {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--grad-1), var(--grad-2));
  color: white;
  border-radius: 13px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease);
}

#back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

#back-to-top:hover {
  transform: translateX(-50%) translateY(-4px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s var(--ease);
  border: none;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.01em;
}

.btn.primary {
  background: linear-gradient(135deg, var(--grad-1), var(--grad-2));
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.btn.secondary {
  background: var(--card-bg);
  color: var(--text-main);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.btn.secondary:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  background: rgba(37, 99, 235, 0.08);
}

.btn.full-width {
  width: 100%;
  justify-content: center;
}

/* --- Custom reCAPTCHA Badge Styling --- */
.grecaptcha-badge {
    left: 24px !important;
    right: auto !important;
    bottom: 24px !important;
    z-index: 2 !important;
}