h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* --- Base & Variables --- */
:root {
    --brand-primary: #4774B8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #475569;
    --border-color: #e2e8f0;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: Vazirmatn, system-ui, -apple-system, sans-serif; /* فونت Vazirmatn اضافه شد */
    background-color: var(--bg-primary);
    color: var(--text-main);
    direction: rtl;
    line-height: 1.6;
}

a {
    color: var(--brand-primary);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

/* --- Layout Classes --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.main-content {
    min-height: calc(100vh - 140px);
    padding: 2rem 0;
}

.section {
    padding: 4rem 0;
}

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

.grid {
    display: grid;
    gap: 2rem;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.flex-gap {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--brand-primary);
    color: white;
}

    .btn-primary:hover {
        background-color: #355a90;
        text-decoration: none;
    }

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

    .btn-outline:hover {
        background-color: var(--bg-secondary);
        text-decoration: none;
    }

/* --- Hero Section --- */
.hero {
    display: flex;
    align-items: center;
    gap: 2rem;
    min-height: 60vh;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    min-width: 0; /* این خط باعث می‌شود عکس‌ها متن را فشرده نکنند */
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}
    .hero-image img {
        width: 100%;
        height: auto;
        border-radius: 12px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1); /* یک سایه زیبا برای عکس نرم‌افزار */
        border: 1px solid var(--border-color);
    }
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .flex-gap {
        justify-content: center;
    }
}

/* --- Header Styles (Responsive & Sticky) --- */
.site-header {
    background-color: var(--brand-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 1rem 0;
}

.site-header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-header .logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    white-space: nowrap;
}

.site-header .logo img {
    height: 36px;
    width: auto;
    display: block;
}

.site-header nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.site-header nav a {
    color: white;
    opacity: 0.85;
    text-decoration: none;
    transition: opacity 0.2s ease;
    font-weight: 500;
    white-space: nowrap;
}

    .site-header nav a:hover {
        opacity: 1;
    }

.site-header .btn-header {
    background-color: white;
    color: var(--brand-primary);
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

    .site-header .btn-header:hover {
        background-color: var(--bg-secondary);
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

/* Responsive Header for Mobile */
@media (max-width: 768px) {
    .site-header-container {
        flex-direction: column;
        justify-content: center;
    }

    .site-header nav ul {
        gap: 1rem;
    }
}
.site-header .logo-text {
    position: relative;
    top: -4px;  
}
/* --- Form Styles --- */
.form-group {
    margin-bottom: 1.5rem;
    text-align: right;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--text-main);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--bg-primary);
    color: var(--text-main);
    transition: all 0.2s ease;
}

    .form-control:focus {
        outline: none;
        border-color: var(--brand-primary);
        box-shadow: 0 0 0 3px rgba(71, 116, 184, 0.15); /* هاله آبی هنگام کلیک روی فیلد */
    }

    .form-control::placeholder {
        color: #94a3b8;
    }

.req-star {
    color: #e50000;
    margin-right: 4px;
}
/* --- Slider Styles --- */
.slider-wrapper {
    position: relative;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    overflow: hidden;
}

.slider-container {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -ms-overflow-style: none; /* مخفی‌کردن اسکرول‌بار در IE */
    scrollbar-width: none; /* مخفی‌کردن اسکرول‌بار در فایرفاکس */
}

    .slider-container::-webkit-scrollbar {
        display: none; /* مخفی‌کردن اسکرول‌بار در کروم و سافاری */
    }

.slider-slide {
    flex: 0 0 100%;
    scroll-snap-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

    .slider-slide img {
        width: 100%;
        height: auto;
        display: block;
    }

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    border: none;
    color: var(--brand-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: all 0.2s;
    z-index: 10;
}

    .slider-btn:hover {
        background: white;
        box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    }

    .slider-btn.prev {
        right: 10px;
    }

    .slider-btn.next {
        left: 10px;
    }

/* --- Lightbox Styles --- */
.slider-slide img {
    cursor: pointer; /* تغییر شکل ماوس برای نشان دادن قابلیت کلیک */
    transition: transform 0.2s ease;
}

    .slider-slide img:hover {
        transform: scale(1.02); /* بزرگ‌نمایی بسیار ملایم هنگام رفتن ماوس روی عکس */
    }

.lightbox-modal {
    border: none;
    border-radius: 8px;
    padding: 0;
    background: transparent;
    max-width: 95vw;
    max-height: 95vh;
}

    /* پس‌زمینه تاریک پشت تصویر */
    .lightbox-modal::backdrop {
        background: rgba(0, 0, 0, 0.85);
        backdrop-filter: blur(4px);
    }

.lightbox-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

    .lightbox-content img {
        max-width: 100vw;
        max-height: 85vh;
        border-radius: 8px;
        box-shadow: 0 4px 25px rgba(0,0,0,0.5);
        object-fit: contain;
    }

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 10px;
}

    .lightbox-close:hover {
        color: var(--brand-primary);
    }