body {
    font-family: Arial, sans-serif;
    background-color: #2c1b25;
    color: white;
    display: flex;
    flex-direction: column;
}

.hero {
    width: 100%;
    height: auto;
    padding: 20px;
    max-width: 1300px;
    margin: 0 auto;
}

.logo {
    width: 120px;
}

h1 {
    font-size: 3.3rem;
    font-weight: bolder;
}

ul {
    list-style: none;
    padding-left: 0;
}

ul li {
    font-size: 1.5em;
    margin: 15px 0;
}

.btn {
    display: inline-block;
    background-color: #008000;
    color: white;
    margin-top: 20px;
    padding: 15px 30px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 40px;
    font-size: 1.5em;
    transition: background 0.3s ease;
}

.btn:hover {
    background-color: #009624;
}

.water {
    position: absolute;
    left:53%;
    bottom:430px;
    width: 550px;
}

.flowmeter {
    position: absolute;
    left:65%;
    bottom: 480px;
    width: 250px;
}

.device {
    position: absolute;
    left: 47%;
    bottom: 230px;
    width: 110px;
}
.monitor {
    position: absolute;
    left: 50%;
    bottom: 30px;
    width: 650px;

}
.section {
    background-color: #1b1b1b;
    width: 100%;
    height: auto;
}

.concept-heading {
    background-color: #00c2cb;
    color: white;
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.7);
    width: 100%;
    max-width: 500px;
    padding: 15px;
    margin-top: 30px;
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    border-radius: 5px;
}

.feature-section {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-top: 35px;
}

.feature-section:hover {
    transform: scale(1.05);
}

.feature {
    font-size: 25px;
    font-weight: bold;
    color: black;
}

.card {
    background-color: #545454;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease-in-out;
    align-items: center;
}

.card:hover {
    transform: scale(1.05);
}

.card img {
    max-width: 80px;
}

.card h5 {
    font-size: 35px;
    font-weight: bold;
    margin-top: 10px;
    color: white;
}

.card ul {
    padding-left: 0;
    list-style-type: none;
}

.card ul li {
    font-size: 20px;
    font-weight: bold;
    margin: 10px 0;
    color: white;
}

.image-container {
    display: flex;
    justify-content: center;
    gap: 70px;
    text-align: center;
    margin-top: 50px;
}

.image-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.image-box img {
    width: 100%;
    max-width: 300px;
    border-radius: 10px;
}

.image-box img:hover {
    transform: scale(1.05);
}

.image-box p {
    font-size: 30px;
    margin-top: 30px;
}

.section1 {
    background-color: #1b1b1b;
    width: 100%;
    padding: 20px;
    height: 40vh;
}

.card1 {
    border: 1px solid white;
    border-radius: 10px;
    background-color: #1b1b1b;
    transition: transform 0.3s ease-in-out;
    color: white;
    text-align: center;
    padding: 15px;
    height: 100%;
}

.card1 p {
    font-size: 22px;
}

.card1:hover {
    transform: scale(1.05);
}

.btn-custom1 {
    background-color: #ffc107;
    color: rgb(42, 54, 97);
    font-weight: bold;
    border-radius: 10px;
    padding: 10px;
    margin-bottom: 0;
}

.btn-custom1:hover {
    background-color: #ff9800;
}

.footer {
    background-color: #1b1b1b;
    color: white;
    padding: 50px 0;
}

.footer h5 {
    font-weight: bold;
    font-size: 30px;
    margin-bottom: 20px;
}

.footer p {
    color: #f8f9fa;
    font-size: 22px;
}

.footer a:hover {
    text-decoration: underline;
    color: #ffd700;
}

.feedback-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
}

.feedback-form input,
.feedback-form textarea {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
}

.feedback-form input::placeholder,
.feedback-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.btn-custom {
    background: #ffc107;
    color: #1e3c72;
    font-weight: bold;
    font-size: 20px;
    transition: 0.3s;
    padding: 10px;
    border-radius: 10px;
}

.btn-custom:hover {
    background: #ff9800;
}

@media (max-width: 1200px) {
    h1 {
        font-size: 3rem;
    }

    ul li {
        font-size: 1.2rem;
    }

    .water {
        position: absolute;
        left:53%;
        bottom:430px;
        width: 550px;
    }
    
    .flowmeter {
        position: absolute;
        left:65%;
        bottom: 500px;
        width: 210px;
    }
    
    .device {
        position: absolute;
        left: 50%;
        bottom: 260px;
        width: 110px;
    }
    .monitor {
        position: absolute;
        left: 53%;
        top:215px;
        width: 600px;
    
    }

    .concept-heading {
        font-size: 30px;
    }

    .feature {
        font-size: 20px;
    }

    .card h5 {
        font-size: 30px;
    }

    .card ul li {
        font-size: 22px;
    }

    .image-box p {
        font-size: 20px;
    }

    .card1 p {
        font-size: 18px;
    }

    .footer h5 {
        font-size: 25px;
    }

    .footer p {
        font-size: 18px;
    }
}


@media (max-width: 576px) {
    .hero{
        height: 150vh ;
    }
    h1 {
        font-size: 2rem;
    }

    ul li {
        font-size: 1.4rem;
    }

    .hero1 {
        text-align: center;
        margin-top: -150px;
    }
    
    .water {
        position: absolute;
        left:5%;
        top:700px;
        width: 550px;
    }
    
    .flowmeter {
        position: absolute;
        left:22%;
        top: 680px;
        width: 250px;
    }
    
    .device {
        position: absolute;
        left: 5%;
        top: 980px;
        width: 90px;
    }
    .monitor {
        position: absolute;
        left: 15%;
        top: 950px;
        width: 650px;
    
    }

    .concept-heading {
        font-size: 20px;
    }

    .feature {
        font-size: 16px;
    }

    .card {
        margin-top: 10px;
    }

    .card h5 {
        font-size: 25px;
    }

    .card ul li {
        font-size: 16px;
    }

    .image-box p {
        font-size: 16px;
    }

    .section1 {
        height: 110vh;
    }

    .card1 p {
        font-size: 16px;
    }
    .footer {
        margin-top: -300px;
    }
    .footer h5 {
        font-size: 22px;
    }

    .footer p {
        font-size: 18px;
    }
}