/* Color Palette & Variables */
:root {
    --primary-bg: #FFFFFF;
    --dark-bg: #1A1A1A;
    --gray-bg: #F5F5F5;
    --concrete-gray: #666666;
    --accent-gold: #C8A96B;
    --accent-gold-hover: #d4b574;
    --text-dark: #1A1A1A;
    --text-light: #FFFFFF;
    --text-muted: #666666;
    
    --font-heading: 'Playfair Display', serif;
    --font-sans: 'Poppins', sans-serif;
    --font-alt: 'Montserrat', sans-serif;
    
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.18);
    
    --transition: all 0.3s ease;
}

/* Dark Mode Variables */
.dark-mode {
    --primary-bg: #121212;
    --gray-bg: #1E1E1E;
    --text-dark: #FFFFFF;
    --text-muted: #A0A0A0;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(30, 30, 30, 0.85);
    --glass-border: rgba(255, 255, 255, 0.05);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--primary-bg);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

html {
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section-padding {
    padding: 100px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

.bg-light {
    background-color: var(--gray-bg);
}

.bg-dark {
    background-color: var(--dark-bg);
    color: var(--text-light);
}

.text-white {
    color: var(--text-light);
}

.mt-5 { margin-top: 3rem; }

/* Typography */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

.title-line {
    height: 3px;
    width: 60px;
    background-color: var(--accent-gold);
    margin-bottom: 30px;
}

.title-line.center {
    margin: 0 auto 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--accent-gold);
    color: #fff;
    border: 1px solid var(--accent-gold);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-gold);
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border: 1px solid #fff;
}

.btn-outline:hover {
    background-color: #fff;
    color: var(--text-dark);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-bg);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

.loader {
    text-align: center;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    display: block;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.loader-line {
    width: 100px;
    height: 2px;
    background-color: rgba(200, 169, 107, 0.3);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.loader-line::before {
    content: '';
    position: absolute;
    left: -50px;
    top: 0;
    width: 50px;
    height: 100%;
    background-color: var(--accent-gold);
    animation: loading 1.5s infinite ease-in-out;
}

@keyframes loading {
    0% { left: -50px; }
    100% { left: 100px; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border-bottom: 1px solid var(--glass-border);
}

.navbar.scrolled .logo h1,
.navbar.scrolled .nav-links a {
    color: var(--text-dark);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    color: #fff;
    font-family: var(--font-heading);
}

.logo h1 span {
    font-weight: 300;
    font-family: var(--font-alt);
    font-size: 1rem;
    display: block;
    color: var(--accent-gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

#theme-toggle {
    background: none;
    border: none;
    color: var(--accent-gold);
    font-size: 1.2rem;
    cursor: pointer;
}

.mobile-menu-btn {
    display: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

.navbar.scrolled .mobile-menu-btn {
    color: var(--text-dark);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--primary-bg);
    z-index: 1001;
    padding: 80px 40px;
    box-shadow: -5px 0 20px rgba(0,0,0,0.1);
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-menu.active {
    right: 0;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

.mobile-menu a {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-dark);
    font-family: var(--font-heading);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding-bottom: 10px;
}

.dark-mode .mobile-menu a {
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(26,26,26,0.8));
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    z-index: 1;
}

.company-name {
    font-size: 4rem;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.tagline {
    font-size: 1.5rem;
    font-family: var(--font-alt);
    margin-bottom: 20px;
    color: var(--accent-gold);
    font-weight: 300;
}

.hero-about {
    font-size: 1.1rem;
    margin-bottom: 40px;
    font-weight: 300;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

/* About Section */
.about p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.stats-container {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}

.stat-box {
    text-align: center;
}

.stat-box h3 {
    font-size: 2.5rem;
    color: var(--accent-gold);
    display: inline-block;
}

.stat-box span {
    font-size: 2rem;
    color: var(--accent-gold);
    font-family: var(--font-heading);
    font-weight: 600;
}

.stat-box p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
    color: var(--text-dark);
    font-weight: 500;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 10px;
    box-shadow: var(--shadow-soft);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--accent-gold);
    color: #fff;
    padding: 30px;
    border-radius: 50%;
    width: 150px;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 20px rgba(200, 169, 107, 0.4);
    text-align: center;
}

.experience-badge .years {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-top: 5px;
}

/* Expertise / Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--primary-bg);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.03);
}

.dark-mode .service-card {
    border: 1px solid rgba(255,255,255,0.05);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card .icon {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* We Design Section */
.design-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 250px);
    gap: 20px;
}

.design-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.design-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.design-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: #fff;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.design-item:hover img {
    transform: scale(1.05);
}

.design-item:hover .item-overlay {
    transform: translateY(0);
    opacity: 1;
}

.item-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.item-overlay p {
    font-size: 0.9rem;
    color: var(--accent-gold);
}

/* Track Record Section */
.track-record {
    text-align: center;
    background-image: linear-gradient(rgba(26,26,26,0.9), rgba(26,26,26,0.9)), url('file:///C:/Users/karthi/.gemini/antigravity/brain/501eff86-4943-41f5-b2ed-99537fcff99b/industrial_img_1778312486835.png');
    background-size: cover;
    background-attachment: fixed;
}

.record-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.record-number {
    font-size: 3.5rem;
    font-family: var(--font-heading);
    margin-bottom: 10px;
}

.record-item p {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #ccc;
}

/* Featured Projects */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: none;
    border: none;
    padding: 8px 20px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-dark);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: width 0.3s;
}

.filter-btn.active::after, .filter-btn:hover::after {
    width: 80%;
}

.filter-btn.active {
    color: var(--accent-gold);
    font-weight: 600;
}

.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.masonry-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    height: 300px;
}

.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26,26,26,0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.masonry-item:hover img {
    transform: scale(1.1);
}

.masonry-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    text-align: center;
    color: #fff;
    transform: translateY(-20px);
    transition: var(--transition);
}

.masonry-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-info h4 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.portfolio-info p {
    color: var(--accent-gold);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lightbox-btn {
    margin-top: 20px;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 1.2rem;
    transform: translateY(20px);
    transition: var(--transition);
}

.masonry-item:hover .lightbox-btn {
    transform: translateY(0);
}

.lightbox-btn:hover {
    background: #fff;
    color: var(--accent-gold);
}

/* Testimonials */
.testimonial-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background: var(--primary-bg);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-soft);
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: rgba(200, 169, 107, 0.2);
    position: absolute;
    top: 30px;
    right: 40px;
}

.review {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.client-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.client-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.stars {
    color: var(--accent-gold);
    font-size: 0.8rem;
}

/* Contact Section */
.info-items {
    margin-top: 40px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item .icon {
    width: 50px;
    height: 50px;
    background: rgba(200, 169, 107, 0.1);
    color: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-item p {
    color: var(--text-muted);
}

.social-media {
    margin-top: 40px;
}

.social-media h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 45px;
    height: 45px;
    background: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-dark);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-gold);
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(200, 169, 107, 0.4);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-soft);
}

.contact-form h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: transparent;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 5px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-dark);
    transition: var(--transition);
}

.dark-mode .form-group input,
.dark-mode .form-group select,
.dark-mode .form-group textarea {
    border: 1px solid rgba(255,255,255,0.1);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: #fff;
    padding: 80px 0 20px;
}

.footer-col h3 {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    margin-bottom: 20px;
}

.footer-col h3 span {
    font-family: var(--font-alt);
    font-weight: 300;
    font-size: 1rem;
    color: var(--accent-gold);
    display: block;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-gold);
}

.footer-col p {
    color: #A0A0A0;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #A0A0A0;
    font-size: 0.95rem;
}

.footer-col ul li a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.newsletter-form {
    position: relative;
    display: flex;
}

.newsletter-form input {
    width: 100%;
    padding: 12px 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-sans);
}

.newsletter-form button {
    position: absolute;
    right: 5px;
    top: 5px;
    height: calc(100% - 10px);
    width: 40px;
    background: var(--accent-gold);
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: #fff;
    color: var(--accent-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 50px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #888;
    font-size: 0.9rem;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: var(--transition);
    animation: bounce 2s infinite;
}

.floating-whatsapp:hover {
    background-color: #128C7E;
    transform: scale(1.1);
    animation: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 5px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.close-lightbox {
    position: absolute;
    top: 30px;
    right: 40px;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s;
}

.close-lightbox:hover {
    color: var(--accent-gold);
}

/* Scroll Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease-out;
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.reveal-up.active, .reveal-left.active, .reveal-right.active {
    opacity: 1;
    transform: translate(0, 0);
}

/* Responsive */
@media (max-width: 1024px) {
    .grid-4, .design-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .design-item.large {
        grid-column: span 1;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .company-name {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stats-container {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .grid-4, .design-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}