/* ============================================ */
/* Import Font - Vazirmatn */
/* ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;700;800&display=swap');

/* ============================================ */
/* تنظیمات پایه و ریست */
/* ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* پالت رنگی */
    --primary-dark: rgb(22, 46, 81);
    --primary-teal: rgb(49, 183, 176);
    --secondary-gray: rgb(169, 164, 152);
    --white: #FFFFFF;
    --light-gray: #F8F9FA;

    /* فونت */
    --font-family: 'Vazirmatn', sans-serif;

    /* سایز فونت‌ها */
    --font-xl: 3rem;
    --font-lg: 2.5rem;
    --font-md: 1.5rem;
    --font-base: 1rem;
    --font-sm: 0.875rem;

    /* فاصله‌ها */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* انیمیشن */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-family);
    line-height: 1.7;
    color: var(--primary-dark);
    direction: rtl;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================ */
/* دکمه‌های اصلی */
/* ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: var(--font-base);
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-teal);
    color: var(--primary-dark);
}

.btn-primary:hover {
    background-color: #3ab5aa;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(49, 183, 176, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-teal);
    border: 2px solid var(--primary-teal);
}

.btn-outline:hover {
    background-color: var(--primary-teal);
    color: var(--white);
}

/* ============================================ */
/* هدر و ناوبری */
/* ============================================ */
.header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background-color: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background-color: var(--primary-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

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

/* سمت راست: همبرگر + لوگو */
.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo a {
    font-size: var(--font-md);
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-teal);
    transition: var(--transition);
}

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

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

.nav-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.5rem;
}

.icon-btn:hover {
    color: var(--primary-teal);
    transform: scale(1.1);
}

/* دکمه همبرگر (موبایل) */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================ */
/* بخش Hero با ویدیو پس‌زمینه */
/* ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

/* ویدیوی پس‌زمینه */
.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
            135deg,
            rgba(22, 46, 81, 0.85) 0%,
            rgba(15, 40, 71, 0.75) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--light-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================ */
/* بخش دوره ویژه */
/* ============================================ */
.featured-course {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.course-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.course-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    width: 100%;
    aspect-ratio: 768 / 430;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
}

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

.course-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--primary-teal);
    color: var(--primary-dark);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-weight: 700;
    font-size: var(--font-sm);
    z-index: 2;
}

.course-content {
    padding: var(--spacing-md);
}

.course-tag {
    display: inline-block;
    background-color: rgba(49, 183, 176, 0.1);
    color: var(--primary-teal);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: var(--font-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.course-title {
    font-size: var(--font-lg);
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.course-subtitle {
    font-size: var(--font-md);
    color: var(--secondary-gray);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.course-features {
    margin-bottom: var(--spacing-md);
}

.course-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.course-features i {
    color: var(--primary-teal);
    font-size: 1.2rem;
}

.course-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================ */
/* بخش ویدیو */
/* ============================================ */
.video-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-lg);
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.section-title i {
    color: var(--primary-teal);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-gray);
}

.video-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-md);
}

.main-video {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md);
}

.video-thumbnail {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    width: 100%;
    aspect-ratio: 768 / 430;
    background-color: var(--light-gray);
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(49, 183, 176, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.play-button:hover {
    background-color: var(--primary-teal);
    transform: translate(-50%, -50%) scale(1.1);
}

.play-button i {
    font-size: 2rem;
    color: var(--white);
    margin-left: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.video-meta {
    color: var(--secondary-gray);
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.dot {
    margin: 0 var(--spacing-xs);
}

/* لیست ویدیوهای کوچک */
.video-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.video-item {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.video-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.video-item-thumbnail {
    position: relative;
    width: 150px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 768 / 430;
    background-color: var(--light-gray);
}

.video-item-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.video-duration {
    position: absolute;
    bottom: 5px;
    left: 5px;
    background-color: rgba(0, 0, 0, 0.8);
    color: var(--white);
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
    font-size: 0.75rem;
    font-weight: 600;
}

.video-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.video-item-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.3rem;
    line-height: 1.4;
}

.video-item-views {
    font-size: var(--font-sm);
    color: var(--secondary-gray);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* ============================================ */
/* بخش پادکست */
/* ============================================ */
.podcast-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--primary-dark);
    color: var(--white);
}

.podcast-section .section-title {
    color: var(--white);
}

.podcast-section .section-subtitle {
    color: var(--light-gray);
}

.podcast-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.podcast-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.podcast-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background-color: rgba(255, 255, 255, 0.08);
}

.podcast-cover {
    width: 100%;
    aspect-ratio: 768 / 430;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.03);
}

.podcast-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
}

.podcast-card:hover .podcast-cover img {
    transform: scale(1.05);
}

.podcast-content {
    padding: var(--spacing-md);
}

.podcast-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.podcast-description {
    font-size: var(--font-sm);
    color: var(--light-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* پلیر پادکست */
.podcast-player {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.play-pause-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-teal);
    border: none;
    color: var(--primary-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.play-pause-btn:hover {
    background-color: #3ab5aa;
    transform: scale(1.1);
}

.play-pause-btn i {
    font-size: 1rem;
    margin-left: 3px;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.progress {
    height: 100%;
    background-color: var(--primary-teal);
    border-radius: 10px;
    transition: width 0.3s ease;
}

.time {
    font-size: var(--font-sm);
    color: var(--secondary-gray);
    flex-shrink: 0;
    min-width: 40px;
    text-align: center;
}

/* ============================================ */
/* بخش‌های محتوایی (مقالات) */
/* ============================================ */
.content-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.content-section:nth-child(even) {
    background-color: var(--light-gray);
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.article-card {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.article-image {
    width: 100%;
    aspect-ratio: 768 / 430;
    overflow: hidden;
    background-color: var(--light-gray);
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
}

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

.article-content {
    padding: var(--spacing-md);
}

.article-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-excerpt {
    color: var(--secondary-gray);
    font-size: var(--font-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-teal);
    font-weight: 600;
    font-size: var(--font-sm);
    transition: var(--transition);
}

.article-link:hover {
    gap: var(--spacing-sm);
}

/* بخش خاص دارالفنون خلاقیت */
.creative-section .article-card {
    border-top: 4px solid var(--primary-teal);
}

/* بخش ویژه کودکان */
.kids-section {
    background: linear-gradient(135deg, #ffeaa7 0%, #74b9ff 100%);
}

.kids-title {
    color: #2d3436;
}

.kids-section .section-subtitle {
    color: #636e72;
}

.kids-card {
    border: 3px solid var(--primary-teal);
    background-color: var(--white);
}

.kids-card .article-title {
    color: #e84393;
}

.kids-card .article-link {
    color: #fd79a8;
    font-weight: 700;
}

/* ============================================ */
/* فوتر */
/* ============================================ */
.footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col {
    min-width: 0;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-title i {
    color: var(--primary-teal);
}

.footer-text {
    color: var(--light-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-sm);
}

/* لینک‌های اجتماعی */
.social-links {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: var(--light-gray);
    font-size: var(--font-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-links a:hover {
    color: var(--primary-teal);
    padding-right: var(--spacing-xs);
}

/* خبرنامه */
.footer-newsletter-text {
    color: var(--light-gray);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-sm);
    line-height: 1.6;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--white);
    font-family: var(--font-family);
    font-size: var(--font-sm);
    min-width: 0;
}

.newsletter-form input::placeholder {
    color: var(--secondary-gray);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-teal);
    background-color: rgba(255, 255, 255, 0.1);
}

.newsletter-form button {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--primary-teal);
    border: none;
    color: var(--primary-dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.newsletter-form button:hover {
    background-color: #3ab5aa;
    transform: scale(1.1);
}

/* حق کپی‌رایت */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.footer-bottom p {
    color: var(--secondary-gray);
    font-size: var(--font-sm);
}


/* ============================================ */
/* Search Overlay */
/* ============================================ */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(22, 46, 81, 0.98);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-overlay-content {
    width: 90%;
    max-width: 700px;
    position: relative;
    animation: searchSlideDown 0.4s ease;
}

@keyframes searchSlideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.search-close-btn {
    position: absolute;
    top: -50px;
    left: 0;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-close-btn:hover {
    color: var(--primary-teal);
    transform: rotate(90deg);
}

.search-box {
    background-color: var(--white);
    border-radius: 50px;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.search-box i {
    font-size: 1.5rem;
    color: var(--primary-teal);
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1.2rem;
    font-family: var(--font-family);
    color: var(--primary-dark);
}

.search-box input::placeholder {
    color: var(--secondary-gray);
}

.search-results {
    margin-top: var(--spacing-md);
    background-color: var(--white);
    border-radius: 15px;
    padding: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.search-hint {
    color: var(--secondary-gray);
    text-align: center;
    font-size: var(--font-sm);
}

.search-result-item {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--light-gray);
    cursor: pointer;
    transition: var(--transition);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--light-gray);
    padding-right: var(--spacing-md);
}

.search-result-title {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 0.3rem;
}

.search-result-description {
    font-size: var(--font-sm);
    color: var(--secondary-gray);
}



/* ============================================ */
/* واکنش‌گرایی - Responsive Design */
/* ============================================ */

/* تبلت (992px و کمتر) */
@media (max-width: 992px) {
    :root {
        --font-xl: 2.5rem;
        --font-lg: 2rem;
        --font-md: 1.3rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    /* هدر */
    .navbar {
        position: relative;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--primary-dark);
        flex-direction: column;
        padding: var(--spacing-lg) var(--spacing-md);
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
        padding-top: 100px;
    }

    .nav-menu.active {
        right: 0;
    }

    .hamburger {
        display: flex;
    }

    /* Hero */
    .hero-title {
        font-size: 2.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    /* دوره ویژه */
    .course-wrapper {
        grid-template-columns: 1fr;
    }

    /* ویدیو */
    .video-wrapper {
        grid-template-columns: 1fr;
    }

    /* پادکست */
    .podcast-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* مقالات */
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* فوتر */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

/* موبایل (576px و کمتر) */
@media (max-width: 576px) {
    :root {
        --font-xl: 1.8rem;
        --font-lg: 1.5rem;
        --font-md: 1.2rem;
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* هدر */
    .nav-menu {
        width: 100%;
        right: -100%;
    }

    .logo a {
        font-size: 1.2rem;
    }

    /* Hero */
    .hero {
        min-height: 80vh;
        padding-top: 100px;
    }

    .hero-title {
        font-size: 1.6rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        gap: var(--spacing-sm);
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    /* دوره ویژه */
    .course-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .course-title {
        font-size: 1.4rem;
    }

    .course-subtitle {
        font-size: 1.1rem;
    }

    .course-actions {
        flex-direction: column;
    }

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

    /* ویدیو */
    .video-wrapper {
        grid-template-columns: 1fr;
    }

    .video-item {
        flex-direction: row;
    }

    .video-item-thumbnail {
        width: 120px;
    }

    /* پادکست */
    .podcast-grid {
        grid-template-columns: 1fr;
    }

    /* مقالات */
    .article-grid {
        grid-template-columns: 1fr;
    }

    /* فوتر */
    .footer {
        padding: var(--spacing-lg) 0 var(--spacing-sm);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .footer-grid .footer-col:nth-child(1),
    .footer-grid .footer-col:nth-child(4) {
        grid-column: 1 / -1;
    }

    .footer-col {
        width: 100%;
    }

    .footer-title {
        font-size: 1.2rem;
        margin-bottom: var(--spacing-sm);
    }

    .footer-text {
        margin-bottom: var(--spacing-sm);
    }

    .footer-links {
        gap: 0.7rem;
    }

    .newsletter-form {
        flex-direction: row;
    }

    .newsletter-form input {
        padding: 0.7rem 1rem;
    }

    .newsletter-form button {
        width: 45px;
        height: 45px;
    }

    .footer-bottom {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
    }

    .section-title {
        font-size: 1.4rem;
        flex-direction: column;
        gap: var(--spacing-xs);
    }



    .search-overlay-content {
        width: 95%;
    }

    .search-box {
        padding: 1rem 1.5rem;
    }

    .search-box input {
        font-size: 1rem;
    }

    .search-results {
        max-height: 300px;
    }

    .search-close-btn {
        top: -40px;
        font-size: 1.5rem;
    }

}

/* بهینه‌سازی برای دستگاه‌های خیلی کوچک */
@media (max-width: 380px) {
    :root {
        --font-xl: 1.5rem;
        --font-lg: 1.3rem;
        --spacing-md: 1rem;
    }

    .btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }

    .hero-title {
        font-size: 1.4rem;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .video-item-thumbnail {
        width: 100px;
    }

    .footer-title {
        font-size: 1.1rem;
    }

    .newsletter-form {
        gap: 0.5rem;
    }
}