html {
  scroll-behavior: smooth;
}

.animate-on-scroll {
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

/* Mobile menu animation */
#mobile-menu {
  transition: opacity 0.2s ease;
  opacity: 0;
}
#mobile-menu.menu-open {
  opacity: 1;
}

/* Phone mockup styling */
.phone-mockup {
  background: #1E293B;
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  max-width: 280px;
  margin: 0 auto;
}
.phone-screen {
  background: #FFFFFF;
  border-radius: 24px;
  overflow: hidden;
}
.phone-notch {
  width: 120px;
  height: 28px;
  background: #1E293B;
  border-radius: 0 0 16px 16px;
  margin: 0 auto;
}

/* Fee comparison bars */
.fee-bar {
  border-radius: 6px;
  height: 36px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-weight: 600;
  font-size: 14px;
  transition: width 0.8s ease-out;
}

/* Timeline connector */
.timeline-line {
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: #00D4AA;
}
.timeline-step:last-child .timeline-line {
  display: none;
}

/* Active nav link */
.nav-active {
  color: #00D4AA;
  position: relative;
}
.nav-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: #00D4AA;
  border-radius: 1px;
}

/* App store button hover */
.app-store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}
.app-store-btn {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}