/* متغیرهای رنگ و سایه */
:root {
    --primary-color: #0072bc;
    --secondary-color: #f8f9fa;
    --text-color: #333;
    --border-color: #e5e5e5;
    --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* فونت فارسی */
@font-face {
    font-family: IRANYekanBakh;
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("../font/yekan-bakh/YekanBakhFaNum-Regular.woff2") format("woff2");
}

@font-face {
    font-family: IRANYekanBakh;
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url("../font/yekan-bakh/YekanBakhFaNum-Medium.woff2") format("woff2");
}

@font-face {
    font-family: IRANYekanBakh;
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("../font/yekan-bakh/YekanBakhFaNum-Bold.woff2") format("woff2");
}

/* تنظیمات پایه */
body {
    font-family: IRANYekanBakh, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--text-color);
    background-color: #f5f6f7;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-weight: 400;
}

/* هدر سایت */
header {
    border-bottom: 1px solid var(--border-color);
    background: white;
}

.site-logo h1 {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* بخش اصلی */
main {
    flex: 1;
}

.main-content {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* فرم دانلود */
.download-form-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 100%;
    margin: 0 auto;
}

.download-form-group .form-control {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-size: 16px;
    height: auto;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.download-form-group .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 114, 188, 0.1);
}

.download-form-group .btn-primary {
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 1rem;
    font-weight: 500;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.download-form-group .btn-primary:hover {
    background-color: #005a96;
}

@media (min-width: 576px) {
    .download-form-group {
        flex-direction: row;
    }
    
    .download-form-group .form-control {
        flex: 1;
    }
    
    .download-form-group .btn-primary {
        width: auto;
        padding: 1rem 2rem;
    }
}

/* نوار پیشرفت */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: var(--secondary-color);
}

.progress-bar {
    background-color: var(--primary-color);
}

/* بخش ویژگی‌ها */
.features {
    border: 1px solid var(--border-color);
}

.feature-card {
    padding: 2rem 1rem;
    transition: all 0.3s ease;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-weight: 500;
}

/* فوتر */
footer {
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* کلاس‌های کمکی */
.rounded-12 {
    border-radius: 12px;
}

.shadow-sm {
    box-shadow: var(--card-shadow) !important;
}

/* تنظیمات واکنشگرا */
@media (max-width: 575.98px) {
    .main-content,
    .features {
        border-radius: 0;
        padding: 1rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .youtube-icon {
        transform: scale(0.8);
    }
    
    footer .row {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    footer .col-auto {
        width: 100%;
    }

    .download-form-group {
        padding: 0 0.5rem;
    }
}

/* کلاس‌های کمکی */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-light {
    background-color: var(--secondary-color) !important;
}

/* استایل پیام‌های تعمیرات */
.maintenance-message {
    background: #ffebee;
    color: #c62828;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #ef5350;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    margin: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.maintenance-message::before {
    content: "⚠️";
    margin-right: 10px;
}

.maintenance-message::after {
    content: "⚠️";
    margin-left: 10px;
}