/* Reset و فونت‌ها */
@import url('https://fonts.googleapis.com/css2?family=Tanha&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Tanha', sans-serif;
}

:root {
    --primary-color: #1a5276;
    --secondary-color: #2980b9;
    --accent-color: #e67e22;
    --light-color: #f9f9f9;
    --dark-color: #333;
    --gray-color: #777;
    --white-color: #fff;
    --black-color: #000;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* نوار بالایی */
.top-bar {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 10px 0;
    font-size: 14px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info span {
    margin-left: 20px;
}

.contact-info i {
    margin-left: 5px;
}

.social-icons a {
    color: var(--white-color);
    margin-right: 15px;
    font-size: 16px;
    transition: all 0.3s ease;
}

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

/* هدر اصلی */
.main-header {
    background-color: var(--white-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1002;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-left: 10px;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 24px;
}

.main-nav ul {
    display: flex;
    list-style: none;
}

.main-nav ul li {
    margin-right: 25px;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: bold;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.main-nav ul li a:hover {
    color: var(--primary-color);
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    bottom: 0;
    right: 0;
    transition: width 0.3s ease;
}

.main-nav ul li a:hover::after {
    width: 100%;
    right: auto;
    left: 0;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
}

/* اسلایدر */
.hero-slider {
    position: relative;
    height: 80vh;
    overflow: hidden;
}

.slider-container {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.6);
    padding: 30px;
    border-radius: 5px;
    max-width: 600px;
    color: var(--white-color);
}

.slide-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.slide-content p {
    font-size: 18px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white-color);
    padding: 10px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #d35400;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    padding: 0 20px;
}

.slider-controls button {
    background-color: rgba(255, 255, 255, 0.3);
    color: var(--white-color);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-controls button:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dots .dot.active {
    background-color: var(--white-color);
    width: 30px;
    border-radius: 6px;
}

/* بخش خدمات */
.services {
    padding: 80px 0;
    background-color: var(--white-color);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.services-grid {
    display:flex;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background-color: var(--accent-color);
    transform: rotate(360deg);
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* بخش درباره ما */
.about {
    padding: 80px 0;
    background-color: var(--light-color);
}

.about .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-content {
    flex: 1;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-stats {
    display: flex;
    justify-content: space-between;
    margin: 30px 0;
}

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

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 16px;
    color: var(--gray-color);
}

/* بخش پروژه‌ها */
.projects {
    padding: 80px 0;
    background-color: var(--white-color);
}

.projects-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    margin: 0 10px;
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.project-info {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    background-color: rgba(26, 82, 118, 0.9);
    color: var(--white-color);
    padding: 20px;
    transition: all 0.3s ease;
}

.project-card:hover .project-info {
    bottom: 0;
}

.project-info h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-top: 10px;
}

.view-all {
    text-align: center;
    margin-top: 40px;
}

/* بخش مشتریان */
.clients {
    padding: 60px 0;
    background-color: var(--light-color);
}

.clients-slider {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.client-logo {
    flex: 1;
    min-width: 150px;
    text-align: center;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.client-logo:hover {
    opacity: 1;
}

.client-logo img {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    filter: grayscale(100%);
    transition: all 0.3s ease;
}

.client-logo:hover img {
    filter: grayscale(0);
}

/* بخش تماس با ما */
.contact {
    padding: 80px 0;
    background-color: var(--white-color);
}

.contact .container {
    display: flex;
    gap: 50px;
}

.contact-info, .contact-form {
    flex: 1;
}

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

.info-item i {
    font-size: 20px;
    color: var(--primary-color);
    margin-left: 15px;
}

.social-links {
    display: flex;
    margin-top: 30px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    margin-left: 10px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-5px);
}

.contact-form {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 82, 118, 0.2);
}

/* نقشه */
.map {
    width: 100%;
}

/* فوتر */
.main-footer {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 40px 0 0;
    font-size: 14px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 10px;
}

.footer-logo h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    flex: 1;
    display: flex;
    gap: 30px;
    min-width: 250px;
}

.link-column {
    flex: 1;
}

.link-column h4, .footer-contact h4 {
    font-size: 16px;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}

.link-column h4::after, .footer-contact h4::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
    bottom: 0;
    right: 0;
}

.link-column ul {
    list-style: none;
}

.link-column li {
    margin-bottom: 8px;
}

.link-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.link-column a:hover {
    color: var(--accent-color);
    padding-right: 5px;
}

.footer-contact {
    flex: 1;
    min-width: 250px;
}

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

.footer-contact li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-left: 10px;
    color: var(--accent-color);
    width: 20px;
    text-align: center;
}

.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white-color);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column-reverse;
        text-align: center;
    }
}
/* رسپانسیو */
@media (max-width: 992px) {
    .about .container, .contact .container {
        flex-direction: column;
    }
    
    .about-image, .contact-info, .contact-form {
        width: 100%;
    }
    
    .main-footer .container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--white-color);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
        /* z-index: 1001; */
        padding: 80px 30px;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
    }
    
    .main-nav ul li {
        margin: 15px 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .slide-content {
        right: 5%;
        max-width: 90%;
    }
    
    .hero-slider {
        height: 60vh;
    }
    
    .top-bar .container {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-info {
        margin-bottom: 10px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 28px;
    }
    
    .slide-content h2 {
        font-size: 24px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .main-footer .container {
        grid-template-columns: 1fr;
    }
}