body {
  margin: 0;
  padding: 0;
  font-family: "Inter", sans-serif;
  line-height: 1.7;
}

/* ══════════════════════════════════════════════════════
           KEYFRAMES FOR ANIMATIONS
        ═══════════════════════════════════════════════════════ */

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ambientGlow {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

@keyframes heartbeat {
  0%,
  100% {
    opacity: 0.6;
  }

  50% {
    opacity: 1;
  }
}

@keyframes dnaRotate {
  0% {
    transform: rotateY(0deg);
  }

  100% {
    transform: rotateY(360deg);
  }
}

@keyframes dnaPulse {
  0%,
  100% {
    opacity: 0.5;
  }

  50% {
    opacity: 1;
  }
}

@keyframes crossPulse {
  0%,
  100% {
    opacity: 0.6;
    box-shadow: 0 0 20px rgba(20, 184, 166, 0.6);
  }

  50% {
    opacity: 1;
    box-shadow: 0 0 40px rgba(20, 184, 166, 0.9);
  }
}

@keyframes particleFloat {
  0%,
  100% {
    transform: translate(0, 0);
    opacity: 0;
  }

  10%,
  90% {
    opacity: 0.8;
  }

  50% {
    transform: translate(var(--px), var(--py));
    opacity: 1;
  }
}

@keyframes lineFlow {
  0%,
  100% {
    opacity: 0.3;
    transform: scaleX(1);
  }

  50% {
    opacity: 0.8;
    transform: scaleX(1.1);
  }
}

.case-icon {
  font-size: 40px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--brand-indigo) 100%);
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 10px;
}

@media (max-width: 768px) {
  .case-icon {
    width: 48px;
    height: 48px;
  }

  .case-icon svg {
    width: 24px;
    height: 24px;
  }
}

@media (max-width: 480px) {
  .case-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
  }

  .case-icon svg {
    width: 22px;
    height: 22px;
  }
}