/* ====== RESET & BASE STYLES ====== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* ====== LOADING SCREEN ====== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

.loading-container {
    text-align: center;
    color: white;
}

.loading-logo {
    width: 150px;
    height: 150px;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

.loading-text {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ====== NAVIGATION ====== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(45, 55, 72, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: #f7fafc;
}

.nav-logo img {
    width: 100px;
    height: 100px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #e2e8f0;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #cbd5e0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #a0aec0;
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #e2e8f0;
    margin: 3px 0;
    transition: 0.3s;
}

/* ====== HERO SECTION ====== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    color: white;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: #a0aec0;
    text-shadow: 0 0 20px rgba(160, 174, 192, 0.5);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* ====== BUTTON STYLES ====== */
.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    pointer-events: auto;
}

.btn-primary {
    background: #718096;
    color: white;
}

.btn-primary:hover {
    background: #4a5568;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(113, 128, 150, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2d3748;
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 30px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 100;
}

.hero-cta .btn {
    display: inline-flex !important;
    align-items: center;
    gap: 10px;
    min-width: 180px;
    justify-content: center;
    position: relative !important;
    z-index: 101 !important;
    pointer-events: auto !important;
    cursor: pointer !important;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #a0aec0;
    margin-bottom: 5px;
}

.stat p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-visual {
    position: relative;
    height: 500px;
    z-index: 5;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 2rem;
    color: #a0aec0;
}

.card-1 i {
    color: #f56565; /* Red for Embedded Systems */
}

.card-2 i {
    color: #4299e1; /* Blue for AI Technology */
}

.card-3 i {
    color: #48bb78; /* Green for Smart Transportation */
}

.card-4 i {
    color: #ed8936; /* Orange for Smart Agriculture */
}

.floating-card span {
    font-weight: 500;
    text-align: center;
}

.card-1 {
    top: 20px;
    left: 20px;
    animation-delay: 0s;
}

.card-2 {
    top: 80px;
    right: 20px;
    animation-delay: 1.5s;
}

.card-3 {
    bottom: 120px;
    left: 0;
    animation-delay: 3s;
}

.card-4 {
    bottom: 20px;
    right: 80px;
    animation-delay: 4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateX(0px); }
    50% { transform: translateX(50px); }
}

/* ====== SECTION STYLES ====== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* ====== ABOUT SECTION ====== */
.about {
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature i {
    color: #718096;
    font-size: 1.2rem;
}

.tech-stack {
    display: grid;
    gap: 30px;
}

.tech-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
}

.tech-item i {
    font-size: 2.5rem;
    color: #718096;
    margin-bottom: 15px;
}

.tech-item:nth-child(1) i {
    color: #4299e1; /* Blue for AI */
}

.tech-item:nth-child(2) i {
    color: #f56565; /* Red for Embedded Systems */
}

.tech-item:nth-child(3) i {
    color: #9f7aea; /* Purple for Software Development */
}

.tech-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.tech-item p {
    color: #666;
}

/* ====== SERVICES SECTION ====== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #718096, #4a5568);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-card:nth-child(1) .service-icon {
    background: linear-gradient(135deg, #4299e1, #3182ce); /* Blue for AI Solutions */
}

.service-card:nth-child(2) .service-icon {
    background: linear-gradient(135deg, #f56565, #e53e3e); /* Red for Embedded Systems */
}

.service-card:nth-child(3) .service-icon {
    background: linear-gradient(135deg, #48bb78, #38a169); /* Green for Smart Transportation */
}

.service-card:nth-child(4) .service-icon {
    background: linear-gradient(135deg, #ed8936, #dd6b20); /* Orange for Smart Agriculture */
}

.service-card:nth-child(5) .service-icon {
    background: linear-gradient(135deg, #9f7aea, #805ad5); /* Purple for Custom R&D */
}

.service-card:nth-child(6) .service-icon {
    background: linear-gradient(135deg, #38b2ac, #319795); /* Teal for Automation Solutions */
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    text-align: left;
}

.service-card li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '✓';
    color: #718096;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* ====== PROJECTS SECTION ====== */
.projects {
    background: #f8f9fa;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #718096, #4a5568);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-card:nth-child(1) .project-image {
    background: linear-gradient(135deg, #48bb78, #38a169); /* Green for Vehicle Detection */
}

.project-card:nth-child(2) .project-image {
    background: linear-gradient(135deg, #4299e1, #3182ce); /* Blue for Oversize Detection */
}

.project-card:nth-child(3) .project-image {
    background: linear-gradient(135deg, #9f7aea, #805ad5); /* Purple for Automated Calling */
}

.project-card:nth-child(4) .project-image {
    background: linear-gradient(135deg, #f56565, #e53e3e); /* Red for Tyre Detection */
}

.project-card:nth-child(5) .project-image {
    background: linear-gradient(135deg, #ed8936, #dd6b20); /* Orange for Agriculture */
}

.project-image i {
    font-size: 4rem;
    color: white;
}

.project-content {
    padding: 30px;
}

.project-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.project-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.tech-tag {
    background: #718096;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-status {
    display: flex;
    justify-content: flex-end;
}

.status-badge {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.status-badge.active {
    background: #10b981;
    color: white;
}

/* ====== TEAM SECTION ====== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.team-member {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.member-avatar {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #718096, #4a5568);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.member-avatar i {
    font-size: 3rem;
    color: white;
}

.member-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.member-role {
    color: #718096;
    font-weight: 500;
    margin-bottom: 15px;
}

.member-bio {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.member-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.expertise-tag {
    background: #f8f9fa;
    color: #718096;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* ====== CONTACT SECTION ====== */
.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #718096, #4a5568);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.contact-details p {
    color: #666;
    line-height: 1.6;
}

.contact-cta {
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 40px;
    border-radius: 20px;
    margin-top: 60px;
}

.contact-cta h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.contact-cta p {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.cta-buttons .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 200px;
    justify-content: center;
}

.cta-buttons .btn-secondary {
    background: transparent;
    color: #718096;
    border: 2px solid #718096;
}

.cta-buttons .btn-secondary:hover {
    background: #718096;
    color: white;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #f0f0f0;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #718096;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ====== FOOTER ====== */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #a0aec0;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #a0aec0;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: #718096;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-link:hover {
    background: #4a5568;
}

.contact-info-footer p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #ccc;
}

.contact-info-footer i {
    color: #a0aec0;
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #ccc;
}

/* ====== BACK TO TOP BUTTON ====== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #718096;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #4a5568;
    transform: translateY(-2px);
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 768px) {
        .nav-menu {
            position: fixed;
            left: -100%;
            top: 70px;
            flex-direction: column;
            background: rgba(45, 55, 72, 0.98);
            width: 100%;
            text-align: center;
            transition: 0.3s;
            box-shadow: 0 10px 27px rgba(0, 0, 0, 0.15);
            padding: 30px 0;
        }    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
        gap: 15px;
    }

    .hero-cta .btn {
        min-width: 160px;
        font-size: 14px;
        padding: 12px 20px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-cta {
        padding: 40px 20px;
        margin-top: 40px;
    }

    .contact-cta h3 {
        font-size: 1.6rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        height: 300px;
        margin-top: 40px;
    }

    .floating-card {
        padding: 15px;
    }

    .floating-card span {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 30px 20px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

}

/* ====== ANIMATIONS ====== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ====== UTILITY CLASSES ====== */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}