html, body {
    margin: 0;
    padding: 0;
}
body {
    font-family: Verdana, Geneva, Tahoma, sans-serif, Helvetica, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}
header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    max-width: 1200px;
}
header h1 {
    margin: 0;
    padding: 0;
    height: 75px;
}
nav {
    background-color: rgba(255, 255, 255, 0); 
}
nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center; 
}
nav ul li {
    padding: 5px 40px;
}
nav ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.5s;
    font-weight: 600;
    font-size: larger;
}
nav ul li a:hover {
    color: #fdf7a6; 
}
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
section {
    margin-bottom: 40px;
}
h2 {
    color: #FF8C00;
    border-bottom: 2px solid #FFD700; 
    padding-bottom: 10px;
}
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px;
}
#logo {
    display: block;
    width: auto;
    height: auto;
    max-height: 75px;
    max-width: 100%;
}
#ingnsLogo {
    display: block;
    width: auto;
    height: auto;
    max-height: 75px;
    max-width: 100%;
}
.main-content {
    padding-left: 10%;
    padding-right: 10%;
}
.video-section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}
.video-background {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translateX(-50%) translateY(-50%);
    object-fit: cover;
}
.main-content {
    position: relative;
    background-color: #fff;
    z-index: 2;
    min-height: 100vh;
}
.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0); 
    transition: all 0.3s ease-in-out;
}
.sticky-header:hover .top-bar,
.sticky-header.scrolled .top-bar {
    background-color: rgba(255, 255, 255, 0.863); 
    transition: all 0.3s ease-in;
}
.sticky-header .top-bar{
    color: #000000; 
    transition: all 0.4s ease-out;
}
.sticky-header:hover .top-bar,
.sticky-header:hover nav,
.sticky-header.scrolled .top-bar,
.sticky-header.scrolled nav {
    color: #333; 
}
.sticky-header.scrolled nav,
.sticky-header:hover nav {
    background-color: rgb(184, 184, 184);
    transition: background-color 0.3s ease-in;
}
.sticky-header nav {
    background-color: rgba(223, 223, 223, 0);
    transition: background-color 0.3s ease-out;
}
.sticky-header nav ul li a {
    color: #ffffff;
    transition: color 0.3s ease;
}

.sticky-header:hover nav ul li a,
.sticky-header.scrolled nav ul li a {
    color: #333;
}
.nav-menu ul li a:hover {
    color: #f5b97d; 
    text-shadow: #f7750a, 1px 1px 1px;
}
.sticky-header .nav-menu ul li a:hover {
    color: #E67300;
    text-shadow: #f7750a, 1px 1px 1px   ;
}
.sticky-header.scrolled .nav-menu ul li a:hover {
    color: #E67300;
    text-shadow: #f7750a, 1px 1px 1px;
}
.sticky-header:hover .email-block a,
.sticky-header.scrolled .email-block a{
    text-decoration: none;
    color: #000000;
    font-weight: bold;   
}
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    background-color: rgba(255, 255, 255, 0);        
}
.top-bar-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 800;
    font-size: larger; 
}
.email-block a{
    text-decoration: none ;
    color: #000000;
    font-size: 1.2em;
    font-weight: bold;
}
.top-bar-section:last-child {
    align-items: center; 
    font-size: larger;
}
.phoneNumber-block {
    position: relative;
    display: flex; 
    align-items: center; 
    cursor: pointer;
}
.phone-numbers {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 15px;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    min-width: 140px;
    text-align: center;
    padding-bottom: 0;
}
.phone-numbers::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgb(204, 204, 204);
}
.phone-link {
    display: block;
    padding: 8px 12px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: all; 
}
.phone-link:hover {
    background-color: #f5f5f5;
    color: #FF8C00;
}
.phone-link:not(:last-child) {
    border-bottom: 1px solid #8d8d8d;
}
.email-block:not(:last-child) {
    border-bottom: 1px solid #8d8d8d;
}
.sticky-header:hover .header-icon,
.sticky-header.scrolled .header-icon {
    content: url('../Ikone/callBlack.png');
}
.header-icon {
    content: url('../Ikone/CallWhite.png');
    transition: content 0.3s ease;
    width: 32px;
    height: 32px;
}
.location-icon {
    margin-left: 10px; 
    width: 24px; 
    height: 24px;
    cursor: pointer;
    transition: content 0.3s ease;
}
.sticky-header:hover .location-icon,
.sticky-header.scrolled .location-icon {
    content: url('../Ikone/locationBlack.png');
}
.location-block {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
}
.address-block {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 15px;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 1000;
    min-width: 200px; 
    text-align: center;
    white-space: nowrap;
    font-weight: bold;
}
.address-block::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgb(204, 204, 204);
}
.icons-section {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.icons-container {
    display: flex;
    align-items: center;
    gap: 20px;
}
.phoneNumber-block, 
.location-block {
    position: relative;
    cursor: pointer;
}
.address-block span {
    display: block;
}
.ingns-small-logo {
    display: flex;
    align-items: center;
}
.sticky-header:hover .ingns-small-logo img,
.sticky-header.scrolled .ingns-small-logo img{
    content: url('../images/ingns-logo-900.png');
}
.small-logo {
    height: 32px;
    width: auto;
    margin-left: 20px;
}
.icons-container {
    display: flex;
    align-items: center;
    gap: 20px;
}
.location-icon {
    margin-left: 0;
}
.header-icon,
.location-icon {
    width: 32px;
    height: 32px;
    transition: content 0.3s ease, transform 0.25s ease-in-out;
}
.header-icon:hover,
.location-icon:hover {
    transform: scale(1.2);
}
.aboutUs {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 20px;
}
.aboutUs_img {
    width: 30%;
    display: flex;
    justify-content: center;
    align-items: center;
}
#logo1 {
    width: 100%;
    height: auto;
    max-width: 100px;
}
.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;    
}
.category-group {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3); 
    margin-bottom: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.category-group h3 {
    color: #FF8C00;
    font-size: 1.4em;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #f0f0f0;
    text-decoration: none;
}
.category-group h3 a {
    text-decoration: none;
    color: #a35c05;
}
.subcategory {
    margin-bottom: 1.5rem;
}
.subcategory h4 {
    color: #444;
    font-size: 1.1em;
    margin-bottom: 0.75rem;
}
.subcategory h4 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}
.subcategory h4 a:hover {
    color: #FF8C00;
}
.subcategory ul {
    list-style: none;
    padding-left: 1rem;
    position: relative;
}
.subcategory ul::before {
    content: '';
    position: absolute;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 1px;
    background-color: #FF8C00;
    z-index: 0;
}
.subcategory ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem; 
}
.subcategory ul li::before {
    position: absolute;
    left: 0;  
    top: 50%;
    width: 8px;
    height: 1px;
    background-color: #FF8C00;
    z-index: 1;
    margin-left: -0.5rem;
}
.subcategory ul li a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
    text-indent: -0.5rem;
    padding-left: 0.5rem;
}
.subcategory ul li a:hover {
    color: #FF8C00;
}
.category-industry {
    background: #fff;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    text-align: center;   
    cursor: pointer;
}
.category-industry:hover{
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}
.category-industry h3 {
    color: #FF8C00;
    font-size: 1.4em;
    padding-bottom: 0.5rem;
    text-decoration: none;
}
.category-industry h3 a {
    text-decoration: none;
    color: #291700;
    display: block;
    width: 100%;
    height: 100%;
}
.category-industry:hover h3 a {
    color: #FF8C00;
}
.customer-slider {
    width: 100%;
    margin: 0 auto;
    background-color: #ffffff;
    overflow: hidden;
}
.customer-slider div {
    margin: 0 10px;
    transition: opacity 0.3s ease;
}
.customer-slider img {
    width: 256px;
    height: 256px;
    object-fit: contain;
}
.sensortool-section {
    padding: 2% 0;
    background-color: #ffffff;
    margin-bottom: 0;

}
.sensortool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.sensortool-content {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background-color: #f0f0f0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    z-index: 2;
}

.sensortool-content h4 {
    color: #000000;
    font-size: 1.2rem;
}
.sensortool-content p {
    margin-bottom: 1.5rem;
    color: #424242;
    line-height: 1.6;
}
.sensortool-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.email-block1,
.addressBlock1,
.phone_numbers1{
    display: flex;
    flex-direction: column;
    text-align: center; 
    padding: 2%;
}
.email-block1 h4,
.addressBlock1 h4,
.phone_numbers1 h4{
    padding-left: 2%;
    margin: 0;
    font-weight: normal;
}
.phone_numbers1 {
    border-bottom: none;
    padding-bottom: 30px;
}
.email-block1 a,
.addressBlock1 a,
.phone_numbers1 a{
    padding-left: 2%;
    text-emphasis: none;
    text-decoration: none;
    color: #000000;
    font-size: 1.2em;
    font-weight:bold;
}
.phone-link1 {
    display: block;
    padding: 8px 12px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: all;
}
.phone-link1:hover {
    background-color: #f5f5f5;
    color: #FF8C00;
}
.contact_h2{
    padding-left: 10%;
    padding-right: 10%;
    margin: 0;
    padding-bottom: 0;
}
#langSwitch {
    margin-top: 10px;
    padding: 5px 10px;
    background-color: #FF8C00;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
    font-weight: 600;
}
#langSwitch:hover {
    background-color: #E67300;
}