body {
    font-family: 'Inter', sans-serif;
    background-color: #f0f2f5;
    overflow-x: hidden;
}

.floating-header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    background: rgba(18, 140, 126, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    padding: 1rem 2rem;
    transition: all 0.3s ease-in-out;
}

.floating-header .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    display: flex;
    align-items: center;
}

.floating-header nav a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    margin-left: 1.5rem;
    transition: color 0.3s;
}

.floating-header nav a:hover {
    color: #fff;
}

.floating-header .btn-group button {
    margin-left: 1rem;
    transition: all 0.2s ease;
}

.floating-header .btn-login {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: transparent;
}

.floating-header .btn-login:hover {
    background: rgba(255, 255, 255, 0.1);
}

.floating-header .btn-register {
    background: #fff;
    color: #128C7E;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.floating-header .btn-register:hover {
    background: #f0f2f5;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .floating-header nav {
        display: none;
    }

    #mobile-menu-button {
        display: block;
        color: white;
    }

    #mobile-menu {
        display: none;
    }

    #mobile-menu.show {
        display: block;
    }

    .floating-header .btn-register,
    .floating-header .btn-login {
        display: none;
    }

    .hero-content h3 {
        font-size: 2rem; /* Adjust font size for mobile */
        text-align: center;
        margin-bottom: 1rem;
    }

    .hero-content p {
        text-align: center;
        font-size: 1.125rem;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .hero-img {
        width: 100%;
        height: auto;
        margin: 0;
        text-align: center;
    }
}

@media (min-width: 769px) {
    #mobile-menu-button {
        display: none;
    }
}

/* Animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-15px);}
    60% {transform: translateY(-7px);}
}

.gradient-text {
    background: linear-gradient(45deg, #25D366, #128C7E);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.staggered-animation > * {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

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

.staggered-animation > *:nth-child(1) { animation-delay: 0.1s; }
.staggered-animation > *:nth-child(2) { animation-delay: 0.2s; }
.staggered-animation > *:nth-child(3) { animation-delay: 0.3s; }
.staggered-animation > *:nth-child(4) { animation-delay: 0.4s; }
.staggered-animation > *:nth-child(5) { animation-delay: 0.5s; }
.staggered-animation > *:nth-child(6) { animation-delay: 0.6s; }

.whatsapp-bg {
        background-color: #e5ddd5;
        background-image: url("data:image/svg+xml,%3Csvg width='64' height='64' viewBox='0 0 64 64' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M8 16c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm0-2c3.314 0 6-2.686 6-6s-2.686-6-6-6-6 2.686-6 6 2.686 6 6 6zm33.414-6l5.95-5.95L45.95.636 40 6.586 34.05.636 32.636 2.05 38.586 8l-5.95 5.95 1.414 1.414L40 9.414l5.95 5.95 1.414-1.414L41.414 8zM40 48c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm0-2c3.314 0 6-2.686 6-6s-2.686-6-6-6-6 2.686-6 6 2.686 6 6 6zM9.414 40l5.95-5.95-1.414-1.414L8 38.586l-5.95-5.95L.636 34.05 6.586 40l-5.95 5.95 1.414 1.414L8 41.414l5.95 5.95 1.414-1.414L9.414 40z' fill='%239C92AC' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    }
    .message-bubble {
        position: relative;
        max-width: 70%;
        padding: 8px 12px;
        border-radius: 7.5px;
        margin-bottom: 10px;
    }
    .message-in {
        background-color: white;
        margin-right: auto;
        border-top-left-radius: 0;
    }
    .message-out {
        background-color: #DCF8C6;
        margin-left: auto;
        border-top-right-radius: 0;
    }
    .message-time {
        font-size: 11px;
        color: #667781;
        text-align: right;
        margin-top: 4px;
    }
    .whatsapp-header {
        background-color: #128C7E;
    }
    .whatsapp-chat-bg {
        background-color: #e5ddd5;
    }

  @keyframes fade-in-down {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
  }
  @keyframes slide-up {
      0% { opacity: 0; transform: translateY(40px); }
      100% { opacity: 1; transform: translateY(0); }
  }

  .animate-fade-in-down {
      animation: fade-in-down 0.8s ease forwards;
  }
  .animate-slide-up {
      animation: slide-up 0.8s ease forwards;
  }
  .delay-100 { animation-delay: 0.1s; }
  .delay-200 { animation-delay: 0.2s; }
  .delay-300 { animation-delay: 0.3s; }
  .delay-400 { animation-delay: 0.4s; }
  .delay-500 { animation-delay: 0.5s; }
  .delay-600 { animation-delay: 0.6s; }

  @keyframes fade-in-up {
    0% { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
  }
  @keyframes slide-left {
      0% { opacity: 0; transform: translateX(-50px); }
      100% { opacity: 1; transform: translateX(0); }
  }

  .animate-fade-in-down {
      animation: fade-in-down 0.8s ease forwards;
  }
  .animate-fade-in-up {
      animation: fade-in-up 0.8s ease forwards;
  }
  .animate-slide-left {
      animation: slide-left 0.8s ease forwards;
  }

  .delay-100 { animation-delay: 0.1s; }
  .delay-200 { animation-delay: 0.2s; }
  .delay-300 { animation-delay: 0.3s; }
  .delay-500 { animation-delay: 0.5s; }