@keyframes zen-ripple {
    0% {
      transform: scale(0);
      opacity: 0.8;
    }
    50% {
      opacity: 0.5;
    }
    100% {
      transform: scale(4);
      opacity: 0;
    }
  }
  
  .zen-garden {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    background: linear-gradient(to bottom, #e5f5e5, #d9e9d9);
  }
  
  .zen-rock {
    position: absolute;
    background: #ffa07a;
    border-radius: 50% 50% 40% 60% / 60% 40% 60% 40%;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.2);
  }
  
  .zen-rock:nth-child(1) {
    top: 15%;
    left: 20%;
    width: 120px;
    height: 120px;
  }
  
  .zen-rock:nth-child(2) {
    top: 60%;
    right: 15%;
    width: 180px;
    height: 180px;
    border-radius: 50% 50% 30% 70% / 60% 40% 60% 40%;
  }
  
  .zen-rock:nth-child(3) {
    bottom: 10%;
    left: 35%;
    width: 100px;
    height: 100px;
    border-radius: 60% 40% 70% 30% / 40% 60% 30% 60%;
  }
  
  .zen-ripple {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    animation: zen-ripple 3s infinite;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
  }
  
  .zen-ripple:nth-child(1) {
    top: 25%;
    left: 40%;
    animation-delay: 0s;
  }
  
  .zen-ripple:nth-child(2) {
    top: 60%;
    left: 20%;
    animation-delay: 1s;
  }
  
  .zen-ripple:nth-child(3) {
    top: 80%;
    left: 70%;
    animation-delay: 2s;
  }
  .zen-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: zen-ripple 6s infinite;
  }

  .zen-form-container {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="1" d="M0,32L48,80C96,128,192,224,288,229.3C384,235,480,149,576,117.3C672,85,768,107,864,133.3C960,160,1056,192,1152,197.3C1248,203,1344,181,1392,170.7L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-position: bottom;
    background-repeat: no-repeat;
  }

  .zen-form .form-label {
    color: #333;
    font-weight: 500;
  }

  .zen-form .zen-input {
    border: none;
    border-bottom: 2px solid #ff6347;
    border-radius: 0;
    padding-left: 0;
    color: #333;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }

  .zen-form .zen-input:focus {
    box-shadow: none;
    border-color: #ff4500;
  }

  .bi-send-zen-fill::before {
    content: "✦";
    font-size: 1.5rem;
  }

  .zen-btn {
    background: linear-gradient(135deg, #ff6347 0%, #ff4500 100%);
    border: none;
    font-weight: 600;
    letter-spacing: 1px;
    transition: transform 0.3s ease;
  }

  .zen-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 99, 71, 0.4);
  }

  .zen-italic {
    font-family: 'Zen Kurenaido', sans-serif;
  }