/* پالت رنگی حرفه‌ای و شرکتی */
:root {
    --primary: #2C3E50;
    /* آبی تیره - حرفه‌ای */
    --primary-light: #34495E;
    --primary-dark: #1A252F;
    --secondary: #27AE60;
    /* سبز - طبیعی */
    --secondary-light: #2ECC71;
    --secondary-dark: #229954;
    --accent: #27AE60;
    --accent-light: #2ECC71;
    --accent-dark: #229954;
    --light: #F8F9FA;
    /* خاکستری بسیار روشن */
    --dark: #212529;
    /* خاکستری تیره */
    --text: #495057;
    --text-light: #6C757D;
    --white: #FFFFFF;
    --shadow: rgba(33, 37, 41, 0.1);
    --border: #E9ECEF;
    --success: #27AE60;
    --warning: #F39C12;
    --danger: #E74C3C;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
}

/* فونت‌ها */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* انیمیشن‌های مدرن */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: var(--gradient-secondary);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

h3 {
    font-size: 2rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.5px;
    gap: 10px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-secondary);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn:hover:before {
    width: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(44, 62, 80, 0.2);
}

.btn-secondary {
    background: var(--gradient-secondary);
}

.btn-secondary:before {
    background: var(--gradient-primary);
}

/* نوار ناوبری */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 5px 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    text-decoration: none;
}

.logo-container img {
    width: 50px;
}

.logo {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.logo-text span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
}

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

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--secondary);
}

/* زبان سوییچر */
.language-switcher {
    position: relative;
    margin-left: 20px;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    color: var(--dark);
}

.language-btn:hover {
    background: var(--white);
    border-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.language-flag {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--white);
}

.lang-en {
    background: var(--gradient-primary);
}

.lang-de {
    background: linear-gradient(135deg, #000000, #FF0000, #FFCC00);
}

.lang-fr {
    background: linear-gradient(135deg, #002395, #FFFFFF, #ED2939);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    min-width: 180px;
    display: none;
    z-index: 1001;
    overflow: hidden;
    animation: fadeIn 0.3s ease;
}

.language-dropdown.show {
    display: block;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border);
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: var(--light);
}

.language-option.active {
    background: var(--light);
    color: var(--secondary);
}

/* بخش هیرو */
.hero {
    padding-top: 160px;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 94, 0.9) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.pexels.com/photos/326281/pexels-photo-326281.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    z-index: -1;
}

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

.hero-text {
    animation: slideIn 1s ease;
}

.hero-text h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 2.8rem;
}

.hero-text p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.hero-image {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

/* بخش ویژگی‌ها */
.features {
    background: var(--light);
}

/*.features-grid {*/
/*    display: grid;*/
/*    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));*/
/*    gap: 40px;*/
/*}*/
.features-grid {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-snap-type: x mandatory;
}

.feature-card {
    min-width: 280px; /* عرض هر کارت */
         max-width: 400px;
flex-shrink: 0;
    flex: 0 0 auto;
    scroll-snap-align: start;
}
.features-scroll {
    overflow-x: auto;   /* اجازه اسکرول افقی */
    overflow-y: hidden; 
    width: 100%;
    -webkit-overflow-scrolling: touch; /* smooth موبایل */
    scroll-behavior: smooth;
    position: relative;
}

.features-track {
    display: flex;
    gap: 24px;
    width: max-content;
}

/* اسکرول خودکار */
@keyframes scroll-horizontal {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@media (min-width: 769px) { /* فقط روی دسکتاپ */
    .features-track {
        animation: scroll-horizontal 40s linear infinite;
    }
}

.feature-card {
    min-width: 280px;
    flex-shrink: 0;
    flex: 0 0 auto;
}


/* اسکرول نرم */
.features-grid {
    scroll-behavior: smooth;
}

/* مخفی کردن اسکرول‌بار (اختیاری) */
.features-grid::-webkit-scrollbar {
    display: none;
}
.features-grid {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.feature-card p {
    line-height: 1.7;
    white-space: normal;
}


.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-secondary);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

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

/* بخش محصولات */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}
.feature-card img {
    max-width: 300px;
}
.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 20px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.product-image {
    height: 220px;
    width: 100%;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-content {
    padding: 30px;
}

.product-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.product-tag {
    padding: 6px 15px;
    background: var(--light);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* بخش تماس */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: var(--light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(10px);
    background: var(--white);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--light);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

/* صفحه بلاگ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
}

.blog-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.blog-image {
    height: 220px;
    width: 100%;
    background: var(--light);
    position: relative;
    overflow: hidden;
}

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

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

.blog-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 6px 15px;
    background: var(--gradient-secondary);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-content {
    padding: 30px;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* صفحه مقالات */
.article-header {
    padding: 160px 0 80px;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.article-image {
    width: 100%;
    height: 400px;
    background: var(--light);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 40px;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-body h2 {
    text-align: left;
    margin: 40px 0 20px;
}

.article-body h2:after {
    display: none;
}

/* دکمه بازگشت به بالا */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.3);
}

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

.back-to-top:hover {
    background: var(--gradient-secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(39, 174, 96, 0.3);
}

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

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

.footer-column h3 {
    color: var(--white);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-secondary);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #bbbbbb;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a:hover {
    color: var(--secondary);
    transform: translateX(10px);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--gradient-secondary);
    transform: translateY(-5px);
}

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

/* منوی موبایل */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
}

.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px;
    display: none;
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    margin-bottom: 15px;
}

.mobile-menu a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: block;
    padding: 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    background: var(--light);
    color: var(--secondary);
}

/* ریسپانسیو */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

@media (max-width: 768px) {
    section {
        padding: 70px 0;
        margin-top: 50px;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.6rem;
    }

    .nav-links,
    .language-switcher {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding-top: 140px;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

    .features-grid,
    .products-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    section {
        padding: 50px 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}