body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #222;
    line-height: 1.6;
}
h1,
h2,
h3 {
    margin: 0 0 15px;
    font-weight: 600;
}



.yt-wrapper {
    position: relative;
    cursor: pointer;
    height: 100%;
    padding: 0;
    padding: 0 15px;
  
}
.yt-wrapper img {
    width: 100%;
    display: block;
    height: 100%;
}
.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 50px;
    color: white;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    padding: 10px 20px;
    aspect-ratio: 1 / 1;
    display: block;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}
select:has(option[value=""]:checked) {
color: grey;
}
select:has(option[value=""]:checked) {
    color: gray; /* Placeholder color */}


.section {
    padding: 40px 8%;
    background: #fff;
}
.blue-bg {
    background: linear-gradient(135deg, #005bbb, #0096db);
    color: white;
}
.container {
    max-width: 1200px;
    margin: auto;
}
.btn {
    display: inline-block;
    padding: 12px 26px;
    margin: 10px 10px 0 0;
    background: #0096db;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: 0.3s;
}
.btn:hover {
    background: #007bb5;
}
.btn-outline {
    background: transparent;
    border: 2px solid white;
}
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    align-items: center;
}
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}
.feature-box {
    background: #f0f4f8;
    padding: 25px;
    border-radius: 6px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th,
td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}
th {
    background: #005bbb;
    color: white;
}
.video-placeholder {
    background: #dbe6f2;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #333;
    border-radius: 8px;
}
footer {
    background: #002b5c;
    color: #ccc;
    text-align: center;
    padding: 25px 10px;
    font-size: 14px;
}
.img_logobox img {
    width: 200px;
}
.downloadbrocherstrip {
    height: calc(20% - 7px);
    display: flex;
    align-items: center;
    justify-content: end;
    padding-right: 45px;
    background-image: url(../silentfeature/donwloadbrocher2.jpg);
    background-size: cover;
    height: 100px;
}
.downloadbrocherstrip a {
    background-color: #c9a544;
    outline: none;
    border: none;
    padding: 6px 13px;
    font-size: 14px;
    font-weight: bold;
    color: white;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.downloadbrocherstrip a svg {
    width: 17px;
    filter: invert();
}
.carousel-indicators {
    bottom: -102px;
    background-attachment: red;
}
.carousel-indicators button {
    background-color: #009bd4 !important;
    height: 30px !important;
    border-radius: 50%;
}
.navcontainer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}
.navtextside {
    max-width: 300px;
    line-height: 1.4;
    text-align: center;
    font-size: 14px;
    margin: 0;
}
.form-container {
    background: #dcdcdc;
    padding-top: 12px;
}
.form-container h2 {
    text-align: center;
    margin-bottom: 20px;
}
.form-group {
    margin-bottom: 15px;
}
.form-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}
.form-container input,
select,
textarea {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
}
.form-container select {
    height: 43px;
}
.form-container input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #009bd4;
}
.form-container button {
    width: 100%;
    padding: 12px;
    background: #009bd4;
    border: none;
    color: white;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
}
.form-container button:hover {
    background: #009bd4;
}
.foursectionrow {
    display: flex;
    flex-wrap: wrap;
}
.gridoffeature {
    width: 50%;
    padding: 40px;
    background-color: gray;
    min-height: 400px;
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: end;
    color: white;
    background-size: cover;
}
.gridoffeature::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.66);
    z-index: 1;
}
.form-switch span {
    margin-top: -10px;
}
/* Keep content above overlay */
.gridoffeature * {
    position: relative;
    z-index: 2;
}
.gridoffeature a {
    color: white;
    text-decoration: none;
    border: 1px solid white;
    border-radius: 20px;
    max-width: 200px;
    width: 100%;
    display: block;
    margin: 0 auto;
    padding: 6px 0;
    transition: all 0.3s ease;
}
.gridoffeature:hover a {
    background-color: #007bb5;
    color: white;
}
.gg_a {
    border-right: 1px solid white;
    border-bottom: 1px solid white;
    background-image: url(../silentfeature/indorbg.jpg);
}
.gg_b {
    border-bottom: 1px solid white;
    background-image: url(../silentfeature/outdorbg.jpg);
}
.gg_c {
    border-right: 1px solid white;
    background-image: url(../silentfeature/controlsystem.jpg);
}
.gg_d {
    background-image: url(../silentfeature/hvac.jpg);
}
.tab-content>.active {
    display: block;
    background: #f5f5f5;
    padding: 10px;
    margin-top: 15px;
}
.nav-pills .nav-link {
    background: 0 0;
    border: 0;
    border-radius: .25rem;
    min-width: 200px;
    background-color: rgb(245, 245, 245);
    margin-right: 10px;
    transition: all 0.3s ease;
}
.nav-link {
    color: #0096db;
}
.nav-pills .nav-link.active,
.nav-pills .show>.nav-link {
    color: #fff;
    background-color: #0096db;
}
.nav-pills .nav-link:hover {
    color: #fff;
    background-color: #0096db;
}
.formofhomepage label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: black;
}
.form-error {
    color: red;
    font-size: 10px;
    position: absolute;
}
.mobilebnr {
    display: none;
}
.formofhomepage h4 {
    text-align: center;
    font-weight: bold;
    margin: 0px;
    padding: 0px;
    margin-bottom: 20px;
    color: #009acf;
    text-transform: uppercase;
    font-size: 18px;
}
@media screen and (max-width:520px) {
    .img_logobox img {
        width: 150px;
    }
    .navtextside {
        max-width: 151px;
        font-size: 8px;
        margin: 0;
        line-height: 1.45;
    }
    .navcontainer {
        padding: 5px 10px;
    }
    .formofhomepage label {
        font-size: 13px !important;
        font-weight: 300;
    }
    form .row .col-md-6 {
        width: 100% !important;
        max-width: 50%;
    }
    .section {
        padding: 40px 10px;
    }
    .blue-bg .col-md-8 {
        padding: 0;
        margin-bottom: 20px;
    }
    p {
        font-size: 13px;
    }
    .downloadbrocherstrip {
        height: 68px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding-right: 0;
    }
    .form-container {
        background: #ffffff;
        padding: 12px;
        border-radius: 0.25rem;
    }
    .nav-pills .nav-link {
        background: 0 0;
        border: 0;
        border-radius: .25rem;
        min-width: fit-content;
        background-color: rgb(245, 245, 245);
        margin-right: 10px;
        transition: all 0.3s ease;
        font-size: 13px;
        padding: 5px;
    }
    .nav {
        display: flex;
        flex-wrap: wrap;
        padding-left: 0;
        margin-bottom: 0;
        list-style: none;
        gap: 10px 0;
    }
    .gridoffeature {
        width: 100%;
        padding: 20px;
        text-align: center;
        display: flex;
        flex-direction: column;
        justify-content: center;
        color: white;
        border: none !important;
        border-bottom: 1px solid white !important;
        position: relative;
        background-size: cover;
    }
    .btn {
        font-size: 13px;
    }
    footer {
        background: #002b5c;
        color: #ccc;
        text-align: center;
        padding: 11px 10px;
        font-size: 13px;
    }
    .mobilebnr {
        display: block;
    }
    .desktopbaner {
        display: none;
    }
    .formofhomepage h4 {
        text-align: center;
        font-weight: bold;
        margin: 0px;
        padding: 0px;
        margin-bottom: 10px;
        color: #009acf;
        text-transform: uppercase;
        font-size: 14px;
    }
}