/*========== Hero Section ==========*/
body {
    background-color: var(--bg-sefid);
}

.mobile-menu>ul>li:nth-child(4)>a {
    color: var(--accent);
}

.hero {
    padding: 2rem 0 0 0;
    text-align: center;
    margin: 0 auto;
    max-width: 1200px;
}

.hero p {
    max-width: 800px;
    margin: 0 auto 2rem;
    text-align: center;
}

/*========== Main Content ==========*/
.main-content {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: .5rem;
    margin: 20px auto;
}

.article-content {
    display: grid;
    grid-template-columns: 1fr;
    padding: 0 1rem;
    gap: 1rem;
}

.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5 {
    margin-top: 10px;
}

.article-content img {
    margin: 10px 0px 20px 0;
    width: 100%;
    max-height: 500px;
    object-fit: cover;

    @supports (corner-shape: squircle) {
        border-radius: 15px;
        corner-shape: bevel;
    }
}

.underline:hover {
    text-decoration: underline;
}

.main-img img {
    max-height: 470px;
    width: 100%;
    object-fit: cover;

    @supports (corner-shape: squircle) {
        border-radius: 20px;
        corner-shape: bevel;
    }
}

.publish-info {
    margin: .5rem auto 2rem auto;
    font-size: 0.9rem;
    opacity: 0.7;
}

.publish-info>span {
    display: flex;
    float: inline-start;
    margin-right: 1rem;
}

.publish-info #current-date {
    margin-right: 5px;
}

.publish-info>span>i {
    margin: 5px 0 0 5px;
}

.publish-info .author {
    margin-right: 1rem;
    color: var(--black);
    transition: all .3s ease;

    i {
        margin: 0px 0 0 3px;
    }
}

.publish-info .author:hover {
    font-weight: 700;
    color: var(--accent);
}

/*========== Introduction ==========*/
.intro {
    background-color: var(--bg-khak);
    padding: 1rem;
    border-radius: 10px;
    border-right: 5px solid var(--accent);
}

.intro h3,
.intro h2 {
    color: var(--accent);
    margin-top: 0;
}

/*========== Stats Section ==========*/
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.stat-card {
    background: linear-gradient(135deg, var(--accent) 0%, var(--bg-abi) 100%);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 0 1px var(--black);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--white);
    font-weight: 800;
}

/*========== Comparison Table ==========*/
.comparison-section {
    margin: 3rem auto;
}

.comparison-table {
    margin: 1rem auto;
    border-radius: 20px;
    overflow: hidden;
}

.comparison-table table {
    width: 100%;
}

.comparison-table thead {
    background-color: var(--accent);
    color: var(--black-s);
}

.comparison-table th {
    padding: .7rem;
    text-align: center;
    font-weight: 700;
    padding: 20px 5px;
}


.comparison-table tbody tr {
    border-bottom: 1px solid var(--black-hover);
    background-color: var(--bg-khak);
}

.comparison-table tbody tr:last-child {
    border-bottom: none;
}

.comparison-table tbody tr:nth-child(even) {
    background-color: var(--bg-khak2);
}

.comparison-table td {
    padding: .7rem;
    text-align: center;
}


/*========== Systems Section ==========*/
.systems-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 3rem 0;
}

.system-card {
    background-color: var(--bg-khak);
    padding: 2rem;
    border-radius: 10px;
    border-top: 5px solid var(--accent);
}

.system-card.ancient {
    border-top-color: var(--bg-zard);
}

.system-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 0;
}

.system-icon {
    font-size: 1.5rem;
}

.system-card.modern .system-icon {
    color: var(--accent);
}

.system-card.ancient .system-icon {
    color: var(--bg-zard);
}

.advantage-list {
    list-style: none;
    margin: 1rem 0;
}

.advantage-list li {
    padding: 0.5rem 0;
    padding-right: 1.5rem;
    position: relative;
}

.advantage-list li:before {
    content: '✓';
    position: absolute;
    right: 0;
    font-weight: bold;
    color: var(--accent);
}

.system-card.ancient .advantage-list li:before {
    color: var(--bg-zard);
}

.system-card.traditional li::before {
    color: var(--bg-zard);
}

/*========== Key Differences ==========*/
.differences-section {
    margin: 3rem 0;
    padding: 0 10px;
}

.differences-section h2 {
    margin-right: 20px;
}

.difference-items {
    border-right: 4px solid var(--accent);
}

.difference-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1rem 0 1rem 1rem;
    border-radius: 10px;
}

.difference-number {
    background-color: var(--accent);
    color: var(--white-s);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin-right: -22px;
    margin-left: 10px;
    flex-shrink: 0;
}

.difference-content h4 {
    margin-top: 0;
}


/*========== Material Cards ==========*/
.materials-section {
    margin: 3rem 0;
}

.materials-section h3 {
    color: var(--accent);
}

.material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.material-card {
    background-color: var(--bg-khak);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--black-hover);
    transition: all var(--transition);
}

/* .material-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
} */

.material-card h4 {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/*========== Recommendations ==========*/
.recommendations {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 3rem 0;
}

.recommendation-card {
    padding: 2rem;
    border-radius: 10px;
}

.recommendation-card.modern {
    background-color: rgba(30, 144, 255, 0.1);
    border: 1px solid var(--accent);
}

.recommendation-card.ancient {
    background-color: rgba(139, 69, 19, 0.1);
    border: 1px solid var(--bg-zard);
}

.recommendation-card.modern i {
    color: var(--accent);
}

.recommendation-card.ancient i {
    color: var(--bg-zard);
}

.recommendation-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 0;
}

.checkmark {
    font-size: 1.5rem;
}

/*========== Sidebar ==========*/
.sidebar,
.sidebar1 {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-card {
    background-color: var(--bg-khak);
    padding: 1rem;
    border-radius: 10px;
    box-shadow: 0 0 1px var(--black);
}

.sidebar-card:last-child {
    position: sticky;
    top: 70px;
}

.sidebar-card h3 {
    margin-top: 0;
    color: var(--accent);
    border-bottom: 2px solid var(--black);
    padding-bottom: 10px;
}

.quick-links a {
    text-decoration: none;
    color: var(--black);
    display: flex;
    align-items: center;
    font-size: var(--fs-base-s);
    gap: 10px;
    padding: .3rem 0.7rem;
    border-bottom: 1px solid var(--black-hover);
    transition: all var(--transition);
}

.quick-links :last-child a {
    border-bottom: none;
}

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

.conclusion-card {
    background: linear-gradient(135deg, var(--accent) 0%, var(--bg-abi) 100%);
    color: var(--black-s);
    padding: 1rem;
    border-radius: 10px;
}

.conclusion-card h3 {
    color: rgb(255, 225, 0);
    margin-top: 0;
    border-bottom: 2px solid var(--black-s);
}


.conclusion-card ul {
    list-style: none;
    margin-top: 1rem;
}

.intro li,
.conclusion-card li {
    margin-bottom: 0.5rem;
    padding-right: 1.5rem;
    position: relative;
}

.intro li::before,
.conclusion-card li:before {
    content: '✓';
    position: absolute;
    right: 0;
    font-weight: bold;
    color: var(--bg-zard);
}



/*========== Responsive ==========*/
@media (max-width: 992px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* حذف sticky در موبایل */
    .sidebar,
    .sidebar1 {
        position: static;
    }

    .systems-section,
    .recommendations {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .stats-section {
        grid-template-columns: 1fr;
    }

    .article-content {
        padding: .5rem;
    }
}


/*========== Steps Section (مراحل دریافت) ==========*/
.steps-section {
    margin: 1rem 0;
}

.step-card {
    display: flex;
    padding: .5rem;
    border-radius: 10px;
    align-items: flex-start;
}

.step-number {
    background-color: var(--accent1);
    color: var(--white-s);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-block;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-top: 0;
    margin-right: 5px;
    color: var(--accent1);
    display: inline-block;
}

.step-image {
    margin: 1rem 0;
    text-align: center;
}

.step-image img {
    width: 100%;
    margin: 0 auto;
    box-shadow: 0 0 2px rgb(86, 86, 86);
    border-radius: 0;
}

/*========== Reasons Section (دلایل رد درخواست) ==========*/
.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.reason-card {
    background-color: var(--bg-khak);
    padding: 1.5rem;
    border-radius: 10px;
    border-right: 3px solid var(--bg-zard);
}

.reason-card h4 {
    margin-top: 0;
    color: var(--bg-zard);
}


/*========== Support Box (بخش پشتیبانی) ==========*/
.support-box {
    background: linear-gradient(135deg, var(--bg-banafsh) 0%, var(--bg-abi) 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    color: var(--white-s);
}

.support-box h4 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--white-s);
}

.support-box p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.support-box .cta-button {
    background-color: var(--bg-sabz);
    color: var(--white-s);
    text-shadow: 0 0 0 rgba(0, 0, 0, 0);
}

.support-box .cta-button:hover {
    background-color: var(--white-s);
    color: var(--sabz);
    transform: scale(1.05);
}

/*========== Responsive جدید ==========*/
@media (max-width: 768px) {
    .step-card {
        flex-direction: column;
    }

    .step-number {
        align-self: flex-start;
    }

    .step-image img {
        width: 100%;
    }

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


/*========== Tips List ==========*/
.tips-list {
    list-style: none;
    padding: 0;
}

.tips-list li {
    padding: 0.8rem 0;
    padding-right: 1.8rem;
    position: relative;
    border-bottom: 1px solid var(--black-hover);
}

.tips-list li:before {
    content: '✓';
    position: absolute;
    right: 0;
    color: var(--accent);
    font-weight: bold;
}








.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.comparison-card {
    background: rgba(0, 110, 255, 0.05);
    border-radius: 20px;
    padding: 1rem;
    margin-bottom: 20px;
    box-shadow: 0 2px 1px var(--accent);
}

.comparison-grid .comparison-card,
.comparison-card:first-child {
    margin-top: 10px;
}



.comparison-card h4,
.comparison-card h5,
.comparison-card h6 {
    color: var(--accent);
    margin-top: 0;
    margin-right: 5px;
}

.cons {
    background: var(--bg-khak);

    h6 {
        color: var(--bg-zard);
    }
}

.badge-success {
    background: var(--bg-sabz);
    color: white;
    padding: 0.2rem 0.8rem;
    border-radius: 50px;
    font-size: 1rem;

}

.badge-warning {
    background: var(--bg-zard);
    color: var(--white-s);
    padding: 0.2rem 0.8rem;
    border-radius: 50px;
    font-size: 1rem;
}


.location-card {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 2rem 0;
}

.location-item {
    flex: 1;
    background: var(--white);
    border-radius: 20px;
    padding: 1.5rem;
    border-top: 4px solid var(--accent);

    h2,
    h3,
    h4,
    h5 {
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .location-card {
        flex-direction: column;
    }
}










.responsive-demo {
    background: var(--bg-khak);
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.device-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
}

.device-card {
    text-align: center;
    padding: 1rem;
    background: var(--white);
    border-radius: 20px;
    width: 150px;
}

.device-card i {
    font-size: 3rem;
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 2rem 0;
    justify-content: center;
}

.stat-item {
    background: linear-gradient(135deg, var(--accent) 0%, var(--bg-abi) 100%);
    padding: 1.5rem;
    border-radius: 20px;
    text-align: center;
    min-width: 150px;
    color: var(--white);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--white);
}

.tool-card {
    background: var(--bg-khak);
    border-radius: 15px;
    padding: 1rem;
    margin: 0.5rem 0;
}

@media (max-width: 768px) {
    .device-grid {
        gap: 1rem;
    }

    .device-card {
        width: 120px;
    }
}







/*========== Hosting Types Grid ==========*/
.hosting-types {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.hosting-type-card {
    padding: 1rem;
    background-color: var(--bg-khak);
    border-radius: 10px;
}

.hosting-type-card h4 {
    color: var(--accent1);
    margin-bottom: 0;
}






.algorithm-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.algorithm-item {
    background: var(--bg-khak);
    padding: 1rem;
    border-radius: 12px;
    border-right: 3px solid var(--accent);
}


.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.tool-item {
    background: var(--bg-khak);
    padding: 0.8rem;
    border-radius: 12px;
    text-align: center;
}

@media (max-width: 768px) {
    .algorithm-list {
        grid-template-columns: 1fr;
    }
}