:root {
    --primary-color: #003B73;
    --accent-color: #01abf2;
    --bg-color: #F5F5DC;
    --white: #FFFFFF;
    --text-color: #333333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'IRANSans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    direction: rtl;
    background-color: white;
    background-image: url('images/circuit-board.svg');
    background-repeat: repeat;
    background-size: 300px 300px;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header Styles */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
    border-radius: 4px;
}

.hero-logo {
    width: 100%;
    height: auto;
    margin-bottom: 1rem;
    max-width: 600px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-right: 2rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-color);
    padding-top: 70px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-text-box {
    background-color: var(--primary-color);
    padding: 2rem;
    border-radius: 10px;
    color: var(--white);
    margin-top: 2rem;
}

.hero-text-box h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.hero-text-box p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--white);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #0195d3;
}

/* About Section */
.about {
    padding: 3rem 0;
    background-color: rgba(255, 255, 255, 0.92);
}

.about h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.about-text {
    text-align: justify;
    font-size: 1.1rem;
}

.about-text .main-text {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.sub-text h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    line-height: 1.8;
}

.activities-list {
    list-style: none;
    padding: 0;
    margin-right: 1rem;
}

.activities-list li {
    margin-bottom: 1rem;
    padding-right: 1.5rem;
    position: relative;
    font-size: 1.1rem;
    line-height: 1.6;
}

.activities-list li::before {
    content: "•";
    color: var(--accent-color);
    font-size: 1.5rem;
    position: absolute;
    right: 0;
    top: -0.2rem;
}

/* Services Section */
.services {
    padding: 5rem 0;
    background-color: rgba(249, 249, 249, 0.92);
}

.services h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card .service-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.service-card a {
    text-decoration: none;
    color: var(--primary-color);
}

.service-card h3 {
    padding: 1rem;
    margin: 0;
    font-size: 1.2rem;
    text-align: center;
}

.service-card p {
    padding: 0 1rem 1rem;
    margin: 0;
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.6;
    text-align: justify;
}

/* Service Cards with Images */
.service-image {
    height: 200px;
    width: 100%;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.3s ease;
}

.service-card:hover .service-image {
    transform: scale(1.05);
}

.plm-bg {
    background-image: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('images/plm.jpg');
}

.vr-bg {
    background-image: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('images/vr.jpg');
}

.twin-bg {
    background-image: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('images/twin.jpg');
}

.training-bg {
    background-image: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('images/training.jpg');
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background-color: rgba(255, 255, 255, 0.92);
}

.contact h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 600px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-item.address {
    justify-content: center;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.info-item p {
    font-size: 1rem;
    line-height: 1.6;
}

.info-item a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-item a:hover {
    color: var(--primary-color);
}

.contact-row {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    text-align: center;
    width: 100%;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        margin-top: 1rem;
    }

    .nav-links a {
        margin: 0 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

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

    .contact-row {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .logo-image {
        height: 35px;
    }

    .hero-logo {
        max-width: 500px;
    }

    .service-image {
        height: 180px;
    }
    
    .sub-text h3 {
        font-size: 1.1rem;
        line-height: 1.6;
    }
    
    .activities-list li {
        font-size: 1rem;
        margin-bottom: 0.8rem;
    }
}

@media (max-width: 480px) {
    .nav-links a {
        margin: 0 0.5rem;
    }

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

    .logo-image {
        height: 30px;
    }

    .hero-logo {
        max-width: 100%;
    }

    .service-image {
        height: 160px;
    }
}

.submit-button {
    padding: 1rem;
    background-color: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: #0195d3;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

.nav-social {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-social a {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.nav-social a:hover {
    color: var(--accent-color);
}

/* Industries Section */
.industries {
    padding: 5rem 0;
    background-color: rgba(255, 255, 255, 0.92);
}

.industries h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.industry-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    aspect-ratio: 16/9;
}

.industry-image {
    position: relative;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.3s ease;
}

.industry-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1), rgba(0,0,0,0.3));
    transition: background 0.3s ease;
}

.industry-image h3 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0;
    padding: 1rem;
    color: white;
    background-color: rgba(200, 200, 200, 0.3);
    transition: background-color 0.3s ease;
    font-size: 1.2rem;
}

.industry-card:hover .industry-image {
    transform: scale(1.05);
}

.industry-card:hover .industry-image::before {
    background: linear-gradient(to bottom, rgba(0,0,0,0.15), rgba(0,0,0,0.4));
}

.industry-card:hover .industry-image h3 {
    background-color: var(--primary-color);
}

@media (max-width: 768px) {
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .industries-grid {
        grid-template-columns: 1fr;
    }
}

/* Service Page Styles */
.service-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-wrapper {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.92);
}

.service-page {
    flex: 1 0 auto;
    padding-top: 80px;
    padding-bottom: 2rem;
}

.service-page .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.service-content {
    display: block;
    width: 100%;
    margin-bottom: 50px;
}

.service-content h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.service-content h2 {
    color: var(--primary-color);
    margin: 2rem 0 1rem;
    font-size: 1.5rem;
}

.service-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    text-align: justify;
}

.service-content .service-image {
    float: left;
    margin: 0 2rem 1rem 0;
    max-width: 400px;
}

.service-content .service-image img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.service-content::after {
    content: "";
    display: table;
    clear: both;
}

.footer {
    flex-shrink: 0;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    text-align: center;
    width: 100%;
    margin-top: auto;
}

.footer .container {
    padding: 1rem 0;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-color);
    transition: color 0.3s ease, border-color 0.3s ease;
}

.service-link:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.service-title-link {
    text-decoration: none;
    color: var(--primary-color);
}

.service-title-link h3 {
    padding: 1rem;
    margin: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
    text-align: center;
    border-bottom: 2px solid var(--primary-color);
    transition: color 0.3s ease, border-color 0.3s ease;
}

.service-title-link:hover h3 {
    color: var(--accent-color);
    border-color: var(--accent-color);
}