:root {
    --primary: #0066ff;
    --primary-dark: #0052d4;
    --primary-light: #3399ff;
    --secondary: #00c6ff;
    --accent: #ff6b6b;
    --success: #00d68f;
    --warning: #ffaa00;
    --danger: #ff3d71;
    
    --dark: #1a1a2e;
    --gray-dark: #2d3047;
    --gray: #6c757d;
    --gray-light: #8d93ab;
    --light: #f8f9fa;
    --white: #ffffff;
    
    --shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.15);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.2s ease;
    --transition-slow: all 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    color: var(--dark);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    direction: rtl;
    padding-top: 130px;
}

.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

/* تایپوگرافی */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1.5rem; }

.highlight {
    color: var(--primary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* دکمه‌ها */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-family: 'Vazirmatn', sans-serif;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(90deg, var(--primary-dark), var(--primary));
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* هدر و ناوبری */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.top-bar {
    background: var(--dark);
    color: var(--white);
    padding: 8px 0;
    font-size: 0.875rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.contact-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
}

.contact-item a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

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

.social-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition-fast);
    text-decoration: none;
}

.social-icon:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.navbar {
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--dark);
}

.logo-icon {
    display: flex;
    gap: 5px;
    color: var(--primary);
}

.logo-icon i {
    font-size: 1.5rem;
    animation: float 3s infinite ease-in-out;
}

.logo-icon i:nth-child(2) { animation-delay: 0.2s; }
.logo-icon i:nth-child(3) { animation-delay: 0.4s; }

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--gray);
    letter-spacing: 1px;
}

.nav-menu-container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-menu {
    display: flex;
    gap: 25px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
    border-radius: 2px;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    width: 30px;
    height: 30px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* بخش هیرو */
.hero-section {
    height: calc(100vh - 130px);
    min-height: 600px;
    position: relative;
    margin-top: -130px;
}

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

.swiper-slide {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.slide-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.7);
    z-index: 1;
}

.slide-1 {
    background: linear-gradient(rgba(26, 26, 46, 0.7), rgba(26, 26, 46, 0.7)), 
                url('../images/hero-bg-1.jpg');
    background-size: cover;
    background-position: center;
}

.slide-2 {
    background: linear-gradient(rgba(26, 26, 46, 0.7), rgba(26, 26, 46, 0.7)), 
                url('../images/hero-bg-2.jpg');
    background-size: cover;
    background-position: center;
}

.slide-3 {
    background: linear-gradient(rgba(26, 26, 46, 0.7), rgba(26, 26, 46, 0.7)), 
                url('../images/hero-bg-3.jpg');
    background-size: cover;
    background-position: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 700px;
    text-align: right;
}

.hero-title {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: var(--white);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    color: var(--white);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.swiper-pagination {
    bottom: 30px !important;
}

.swiper-pagination-bullet {
    width: 12px !important;
    height: 12px !important;
    background: rgba(255, 255, 255, 0.5) !important;
    opacity: 1 !important;
}

.swiper-pagination-bullet-active {
    background: var(--primary) !important;
}

.swiper-button-next,
.swiper-button-prev {
    color: white !important;
    background: rgba(255, 255, 255, 0.1);
    width: 50px !important;
    height: 50px !important;
    border-radius: 50%;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: rgba(255, 255, 255, 0.2);
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 1.25rem !important;
    font-weight: bold;
}

.scroll-indicator {
    position: absolute;
    bottom: 80px;
    right: 50%;
    transform: translateX(50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: white;
    z-index: 10;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 0.875rem;
    letter-spacing: 2px;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: white;
    border-radius: 2px;
    position: absolute;
    top: 10px;
    right: 50%;
    transform: translateX(50%);
    animation: scroll 2s infinite;
}

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

@keyframes scroll {
    0% { transform: translateX(50%) translateY(0); opacity: 1; }
    100% { transform: translateX(50%) translateY(20px); opacity: 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* بخش آمار */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.stat-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary);
}

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

.stat-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 2rem;
}

.stat-content {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 1.125rem;
    color: var(--gray);
    font-weight: 600;
}

/* بخش خدمات */
.services-section {
    padding: 100px 0;
    background: var(--white);
}

.services-tabs {
    margin-bottom: 80px;
}

.tabs-header {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--light);
    padding-bottom: 20px;
}

.tab-btn {
    padding: 15px 25px;
    background: var(--white);
    border: 2px solid var(--light);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-dark);
    white-space: nowrap;
}

.tab-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.tab-btn.active {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow);
}

.tabs-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 50px;
}

.service-image {
    border-radius: var(--radius);
    overflow: hidden;
    height: 400px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.service-info h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-info > p {
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 1.125rem;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateX(-5px);
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 5px;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.feature-item p {
    color: var(--gray);
    margin-bottom: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.services-showcase {
    margin-top: 80px;
}

.services-showcase h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--dark);
}

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--primary);
}

.service-card:nth-child(1):hover { border-top-color: #0066ff; }
.service-card:nth-child(2):hover { border-top-color: #00c6ff; }
.service-card:nth-child(3):hover { border-top-color: #00d68f; }
.service-card:nth-child(4):hover { border-top-color: #ffaa00; }
.service-card:nth-child(5):hover { border-top-color: #ff6b6b; }
.service-card:nth-child(6):hover { border-top-color: #9d4edd; }

.service-card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--white);
    font-size: 2rem;
}

.service-card:nth-child(2) .service-card-icon { background: linear-gradient(135deg, #00c6ff, #0072ff); }
.service-card:nth-child(3) .service-card-icon { background: linear-gradient(135deg, #00d68f, #00b894); }
.service-card:nth-child(4) .service-card-icon { background: linear-gradient(135deg, #ffaa00, #ff9500); }
.service-card:nth-child(5) .service-card-icon { background: linear-gradient(135deg, #ff6b6b, #ff5252); }
.service-card:nth-child(6) .service-card-icon { background: linear-gradient(135deg, #9d4edd, #7b2cbf); }

.service-card h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.service-card > p {
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.6;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    text-align: right;
    margin-bottom: 25px;
    padding: 0;
}

.service-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    color: var(--gray-dark);
}

.service-features i {
    color: var(--success);
    font-size: 0.875rem;
}

/* بخش درباره ما */
.about-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text .section-title {
    text-align: right;
}

.about-text .section-title::after {
    right: 0;
    transform: none;
}

.about-description {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 40px;
}

.feature {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature:hover {
    box-shadow: var(--shadow);
    transform: translateX(-5px);
}

.feature i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 5px;
}

.feature h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.feature p {
    color: var(--gray);
    margin-bottom: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.about-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.about-image {
    position: relative;
}

.image-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 500px;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
    min-width: 120px;
    box-shadow: var(--shadow);
}

.experience-badge .years {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    display: block;
}

.experience-badge .text {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.stats-badge {
    position: absolute;
    top: -30px;
    left: 30px;
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    gap: 20px;
}

.stats-badge .stat {
    text-align: center;
}

.stats-badge .number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
    line-height: 1;
}

.stats-badge .label {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 5px;
    display: block;
}

/* بخش پروژه‌ها */
.projects-section {
    padding: 100px 0;
    background: var(--white);
}

.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 12px 28px;
    background: var(--white);
    border: 2px solid var(--light);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-dark);
}

.filter-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.filter-btn.active {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.project-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 1;
    transform: scale(1);
}

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

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 102, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--dark);
    color: var(--white);
    transform: rotate(90deg);
}

.project-info {
    padding: 25px;
}

.project-category {
    display: inline-block;
    background: var(--light);
    color: var(--primary);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.project-info h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    line-height: 1.4;
    color: var(--dark);
}

.project-info > p {
    color: var(--gray);
    margin-bottom: 15px;
    font-size: 0.95rem;
    min-height: 48px;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tags span {
    background: var(--light);
    color: var(--gray-dark);
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

.projects-cta {
    text-align: center;
    margin-top: 50px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* بخش مشتریان */
.clients-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
}

.clients-slider {
    margin-bottom: 80px;
}

.client-slide {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 40px;
    align-items: center;
}

.client-logo {
    flex: 0 0 150px;
}

.client-logo img {
    width: 100%;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.client-slide:hover .client-logo img {
    filter: grayscale(0);
    opacity: 1;
}

.client-review {
    flex: 1;
}

.client-review p {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--gray-dark);
    margin-bottom: 25px;
    line-height: 1.8;
    position: relative;
    padding-right: 30px;
}

.client-review p::before {
    content: '"';
    position: absolute;
    top: -20px;
    right: 0;
    font-size: 4rem;
    color: var(--primary-light);
    opacity: 0.3;
    font-family: serif;
}

.client-info h4 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.client-rating {
    color: #ffaa00;
    font-size: 1rem;
}

.clients-logos {
    margin-top: 50px;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
}

.logo-item {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    height: 120px;
}

.logo-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.logo-item img {
    max-width: 100%;
    max-height: 60px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.logo-item:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* بخش تماس */
.contact-section {
    padding: 100px 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info .section-title {
    text-align: right;
}

.contact-info .section-title::after {
    right: 0;
    transform: none;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-item:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateX(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--dark);
}

.contact-text p {
    color: var(--gray);
    margin-bottom: 0;
    line-height: 1.6;
}

.contact-text a {
    color: var(--gray-dark);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-text a:hover {
    color: var(--primary);
}

.contact-social h4 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--dark);
}

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

.social-icons .social-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
    background: var(--light);
    color: var(--dark);
}

.social-icons .social-icon:hover {
    background: var(--primary);
    color: var(--white);
}

.contact-form-container {
    background: var(--light);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
}

.form-header {
    margin-bottom: 30px;
}

.form-header h3 {
    font-size: 1.75rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.form-header p {
    color: var(--gray);
    margin-bottom: 0;
    line-height: 1.6;
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: 'Vazirmatn', sans-serif;
    transition: var(--transition-fast);
    background: var(--white);
    color: var(--dark);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-footer {
    margin-top: 30px;
}

.form-note {
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: 15px;
    text-align: center;
    line-height: 1.6;
}

.form-note a {
    color: var(--primary);
    text-decoration: none;
}

.form-note a:hover {
    text-decoration: underline;
}

/* بخش خبرنامه */
.newsletter-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.newsletter-text h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--white);
}

.newsletter-text p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 0;
    line-height: 1.8;
    color: var(--white);
}

.newsletter-form .form-group {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 18px 25px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: 'Vazirmatn', sans-serif;
    color: var(--dark);
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.newsletter-form .form-note {
    margin-top: 15px;
    color: rgba(255, 255, 255, 0.8);
}

/* نقشه */
.map-section {
    height: 450px;
}

.map-container {
    width: 100%;
    height: 100%;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* فوتر */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.footer-about {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
    line-height: 1.8;
}

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

.footer-social .social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.footer-social .social-icon:hover {
    background: var(--primary);
}

.footer-col h4 {
    font-size: 1.25rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
    color: var(--white);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a::before {
    content: '›';
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-right: 10px;
}

.footer-links a:hover::before {
    color: var(--primary);
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: var(--primary);
    font-size: 1.125rem;
    margin-top: 5px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
    font-size: 0.875rem;
}

.footer-links-bottom {
    display: flex;
    gap: 30px;
}

.footer-links-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.footer-links-bottom a:hover {
    color: var(--white);
}

/* دکمه بازگشت به بالا */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* واتساپ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: var(--shadow);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    background: #128c7e;
    transform: translateY(-5px) scale(1.1);
}

/* رسپانسیو */
@media (max-width: 1200px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    
    .service-detail {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 992px) {
    body {
        padding-top: 120px;
    }
    
    .hero-section {
        height: calc(100vh - 120px);
        min-height: 500px;
        margin-top: -120px;
    }
    
    .hero-title { font-size: 2rem; }
    .section-title { font-size: 1.75rem; }
    
    .service-detail,
    .about-content,
    .contact-content,
    .newsletter-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu-container {
        position: fixed;
        top: 120px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 120px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 50px 20px;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
        gap: 30px;
    }
    
    .nav-menu-container.active {
        right: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: center;
        width: 100%;
        gap: 20px;
    }
    
    .nav-cta {
        margin-top: 20px;
        width: 100%;
        text-align: center;
    }
    
    .hero-buttons,
    .about-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn,
    .about-cta .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    html { font-size: 14px; }
    
    body {
        padding-top: 110px;
    }
    
    .hero-section {
        height: calc(100vh - 110px);
        min-height: 400px;
        margin-top: -110px;
    }
    
    .hero-title { font-size: 1.75rem; }
    .section-title { font-size: 1.5rem; }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tab-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .service-detail,
    .contact-form-container {
        padding: 30px 20px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .top-bar-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-info {
        justify-content: center;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        bottom: 20px;
        left: 20px;
    }
}

@media (max-width: 576px) {
    .container { padding: 0 15px; }
    
    .hero-title { font-size: 1.5rem; }
    .section-title { font-size: 1.25rem; }
    
    .stat-card {
        padding: 30px 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-btn,
    .filter-btn {
        padding: 10px 15px;
        font-size: 0.8rem;
    }
    
    .tabs-header {
        gap: 5px;
    }
}