:root {
    --primary-color: #004e92;
    --secondary-color: #000428;
    --accent-color: #00d2ff;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --light-bg: #f5f7fa;
    --dark-bg: #1a1a1a;
    --border-color: #e1e1e1;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --gradient-primary: linear-gradient(135deg, #000428 0%, #004e92 100%);
    --gradient-accent: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    --gradient-text: linear-gradient(to right, #000428, #004e92);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --container-width: 1280px;
    --header-height: 80px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}
a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}
ul,
ol {
    list-style: none;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 210, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 210, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 210, 255, 0);
    }
}
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}
@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-normal);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.brand-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    padding: 5px 0;
}
.brand-logo img {
    max-height: 50px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-normal);
}
.brand-logo:hover img {
    transform: scale(1.05);
}
.primary-navigation {
    display: flex;
    align-items: center;
    height: 100%;
}
.menu-list {
    display: flex;
    align-items: center;
    gap: 30px;
    height: 100%;
    margin: 0;
    padding: 0;
}
.menu-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}
.menu-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 10px 0;
    position: relative;
    transition: color var(--transition-fast);
}
.menu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-normal);
}
.menu-item:hover .menu-link {
    color: var(--primary-color);
}
.menu-item:hover .menu-link::after {
    width: 100%;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background-color: var(--white);
    min-width: 260px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-md);
    padding: 15px 0;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 16px;
    height: 16px;
    background-color: var(--white);
    border-left: 1px solid rgba(0, 0, 0, 0.05);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}
.menu-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.dropdown-menu li {
    display: block;
    width: 100%;
}
.dropdown-menu li a {
    display: block;
    padding: 10px 25px;
    font-size: 0.9rem;
    color: var(--text-color);
    transition: all var(--transition-fast);
    position: relative;
    z-index: 1;
}
.dropdown-menu li a:hover {
    color: var(--primary-color);
    background-color: var(--light-bg);
    padding-left: 30px;
}
.main-content {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}
.hero-intro {
    padding: 80px 20px;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 60px;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
    box-shadow: var(--shadow-lg);
}
.hero-intro::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    animation: rotate 20s linear infinite;
    z-index: 0;
}
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
.hero-intro .container {
    position: relative;
    z-index: 2;
}
.headline-primary {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
    background: linear-gradient(to right, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeIn 1s ease-out;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.business-notice {
    font-size: 1.1rem;
    max-width: 900px;
    margin: 0 auto 40px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: var(--border-radius-md);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeIn 1.2s ease-out;
}
.inquiry-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    max-width: 800px;
    margin: 0 auto;
    animation: fadeIn 1.5s ease-out;
    position: relative;
    z-index: 10;
}
.form-heading {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--light-bg);
    padding-bottom: 15px;
}
.uhc-contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.input-group {
    position: relative;
    width: 100%;
}
.input-field,
.textarea-field {
    width: 100%;
    padding: 15px 20px;
    font-size: 1rem;
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: var(--light-bg);
    border: 2px solid transparent;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}
.input-field:focus,
.textarea-field:focus {
    background-color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 78, 146, 0.1);
}
.input-field::placeholder,
.textarea-field::placeholder {
    color: #999;
    font-style: italic;
}
.contact-link {
    display: inline-block;
    padding: 16px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    background: var(--gradient-accent);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 20px rgba(0, 210, 255, 0.3);
    align-self: flex-start;
    position: relative;
    overflow: hidden;
}
.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}
.contact-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(0, 210, 255, 0.4);
}
.contact-link:hover::before {
    left: 100%;
}
.contact-link:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 10px rgba(0, 210, 255, 0.3);
}
.section-block {
    padding: 80px 0;
    position: relative;
}
.section-block:nth-child(even) {
    background-color: var(--white);
}
.section-block:nth-child(odd) {
    background-color: #f0f4f8;
}
.section-heading {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}
.section-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}
.text-content {
    max-width: 1000px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    text-align: justify;
}
.text-content p {
    margin-bottom: 25px;
}
.text-content p:last-child {
    margin-bottom: 0;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 40px;
}
.gallery-grid-large {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 40px;
}
.gallery-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    aspect-ratio: 1 / 1;
    cursor: pointer;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: block;
}
.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}
.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    z-index: 2;
}
.gallery-item:hover img {
    transform: scale(1.1);
}
.gallery-item:hover::after {
    opacity: 1;
}
.water-purification-tech .section-heading {
    color: #006064;
}
.water-purification-tech .section-heading::after {
    background: linear-gradient(to right, #006064, #00acc1);
}
.smart-kitchen-solutions {
    background-color: #fff;
}
.smart-kitchen-solutions .section-heading {
    color: #d32f2f;
}
.smart-kitchen-solutions .section-heading::after {
    background: linear-gradient(to right, #b71c1c, #f44336);
}
.home-automation-iot {
    background: linear-gradient(180deg, #f0f4f8 0%, #e1e8ed 100%);
}
.home-automation-iot .section-heading {
    background: linear-gradient(to right, #240b36, #c31432);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.home-automation-iot .section-heading::after {
    background: linear-gradient(to right, #240b36, #c31432);
}
.warranty-service .section-heading {
    color: #2e7d32;
}
.warranty-service .section-heading::after {
    background: linear-gradient(to right, #1b5e20, #4caf50);
}
.partners-sponsorship-section {
    padding: 100px 0;
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
}
.partner-heading {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.partner-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 40px;
}
.partner-group {
    background: var(--white);
    border: 1px solid #eaeaea;
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}
.partner-group:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 210, 255, 0.3);
    transform: translateY(-5px);
}
.partner-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.7;
}
.partner-subheading {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}
.partner-subheading::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    margin-right: 15px;
    box-shadow: 0 0 10px var(--accent-color);
}
.partner-group p {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.7;
}
.partner-group p:last-child {
    margin-bottom: 0;
}
.partner-link-dofollow {
    font-weight: 700;
    color: var(--primary-color);
    border-bottom: 2px solid rgba(0, 78, 146, 0.2);
    padding-bottom: 1px;
    transition: all var(--transition-fast);
}
.partner-link-dofollow:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background-color: rgba(0, 210, 255, 0.05);
}
.site-footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 30px;
    border-top: 5px solid var(--primary-color);
}
.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}
.footer-branding {
    text-align: center;
}
.footer-branding h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 2px;
    background: linear-gradient(to right, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.footer-branding p {
    color: #a0a0a0;
    margin-bottom: 10px;
    font-size: 0.95rem;
}
.footer-branding strong {
    color: var(--white);
}
.footer-credits {
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}
.footer-credits p {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 5px;
}
.tech-support a {
    color: var(--accent-color);
    font-weight: 600;
    position: relative;
    display: inline-block;
}
.tech-support a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: var(--accent-color);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}
.tech-support a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .gallery-grid-large {
        grid-template-columns: repeat(4, 1fr);
    }
    .headline-primary {
        font-size: 2.5rem;
    }
}
@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    .header-inner {
        position: relative;
    }
    .primary-navigation {
        display: none; 
    }
    .gallery-grid,
    .gallery-grid-large {
        grid-template-columns: repeat(2, 1fr);
    }
    .section-heading {
        font-size: 1.8rem;
    }
    .partner-group {
        padding: 25px;
    }
}
@media (max-width: 768px) {
    .container {
        width: 100%;
        padding-left: 15px;
        padding-right: 15px;
    }
    .headline-primary {
        font-size: 2rem;
    }
    .business-notice {
        font-size: 1rem;
        padding: 15px;
    }
    .inquiry-form-wrapper {
        padding: 25px;
    }
    .section-block {
        padding: 60px 0;
    }
    .gallery-grid,
    .gallery-grid-large {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .contact-link {
        width: 100%;
        text-align: center;
    }
}
@media (max-width: 480px) {
    .headline-primary {
        font-size: 1.6rem;
    }
    .brand-logo img {
        max-height: 40px;
    }
    .gallery-grid,
    .gallery-grid-large {
        grid-template-columns: 1fr;
    }
    .footer-branding h3 {
        font-size: 1.4rem;
    }
    .partner-heading {
        font-size: 1.8rem;
    }
}
@media (min-width: 993px) {
    .primary-navigation {
        display: flex !important;
    }
}
::selection {
    background: var(--accent-color);
    color: var(--white);
}
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555;
}
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text-color);
    -webkit-box-shadow: 0 0 0px 1000px var(--light-bg) inset;
    transition: background-color 5000s ease-in-out 0s;
}
.brand-logo img {
    max-width: 180px; 
    height: auto;
}
.text-content p:first-of-type::first-letter {
    font-size: 3rem;
    color: var(--primary-color);
    float: left;
    margin-right: 10px;
    line-height: 0.8;
    font-weight: 800;
}
.partner-group:nth-child(1) { border-left: 5px solid #004e92; }
.partner-group:nth-child(2) { border-left: 5px solid #ff9966; }
.partner-group:nth-child(3) { border-left: 5px solid #00d2ff; }
.partner-group:nth-child(4) { border-left: 5px solid #1a2980; }
.partner-group:nth-child(5) { border-left: 5px solid #d4af37; }
