* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'General Sans', sans-serif;
      background: #0a0a23;
      color: white;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      text-align: center;
      padding: 1rem;
    }

    /* Logo */
    header {
      margin-top: 1rem;
    }

    header img {
      width: 70px; /* smaller */
      height: 70px;
      border-radius: 50%; /* rounded */
      object-fit: cover;
      /* background: white; neat circle */
      padding: 8px; /* inner space */
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    }

    .container {
      max-width: 650px;
      width: 100%;
      margin: auto;
      padding: 2rem;
    }

    h1 {
      font-family:sans-serif;
      font-size: clamp(1.3rem, 3vw, 1.6rem);
      font-weight: 700;
      margin: 2rem 0 1rem;
      line-height: 1.2;
      letter-spacing: -1px;
    }

    p {
      font-size: clamp(1rem, 2.5vw, 1.1rem);
      margin-bottom: 2.5rem;
      opacity: 0.9;
      line-height: 1.6;
    }

    /* Glass form */
    .form {
      display: flex;
      justify-content: center;
      gap: 0.5rem;
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(12px);
      padding: 0.6rem;
      border-radius: 15px;
      box-shadow: 0 8px 25px rgba(0,0,0,0.25);
    }

    input[type="email"] {
      padding: 0.9rem 1rem;
      border: none;
      border-radius: 10px;
      outline: none;
      flex: 1;
      font-size: 1rem;
      font-family: 'General Sans', sans-serif;
      background: transparent;
      color: white;
      min-width: 0;
    }

    input::placeholder {
      color: rgba(255, 255, 255, 0.5);
    }

    button {
      padding: 0.9rem 1.5rem;
      border: none;
      border-radius: 10px;
      background: white;
      color: #0a0a23;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      font-family: 'General Sans', sans-serif;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
      flex-shrink: 0;
    }

    button:hover {
      background: #f3f3f3;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    }



   /* Default: popup under button */
.popup {
  margin-top: 10px;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  width: fit-content;
}

.popup.success {
  background: #4caf50;
  color: #fff;
}

.popup.error {
  background: #f44336;
  color: #fff;
}

.popup.show {
  display: inline-block;
  opacity: 1;
}

.close-btn {
  margin-left: 8px;
  font-weight: bold;
  cursor: pointer;
}

/* On smaller screens → make it a toast bottom-right */
@media (max-width: 768px) {
  .popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    margin-top: 0;
    z-index: 9999;
  }
}




    footer {
      margin-top: auto;
      padding: 1.5rem 0;
    }

    footer a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: white;
      color: #0a0a23;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      font-size: 1.5rem;
      transition: 0.3s ease;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }

    footer a:hover {
      background: #e6e6e6;
      transform: scale(1.1);
    }

    /* Mobile adjustments */
    @media (max-width: 600px) {
      .form {
        flex-direction: column;
        gap: 0.7rem;
      }
      button {
        width: 100%;
      }
    }