@import url(fontiran.css); 

:root {
    --bg-color: #0b0d0e;
    --glass-bg: rgba(18, 22, 25, 0.55);
    --glass-bg-hover: rgba(28, 34, 39, 0.75);
    --border-chalk: rgba(255, 255, 255, 0.18);
    --border-chalk-active: rgba(255, 255, 255, 0.45);
    
    --text-primary: #f5f5f7;
    --text-secondary: #a0aab2;
    --accent-glow: rgba(255, 255, 255, 0.08);
    --chalk-accent: #e2f1ff;
    
    --spacing-unit: 8px;
    --radius-card: 16px;
    --backdrop-blur: 16px;
    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'farhang2', 'Vazirmatn', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at center, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.7) 100%), url('bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    padding: calc(var(--spacing-unit) * 4);
    min-height: 100vh;
    direction: rtl;  
}

.wrapper {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 92vh;
}

header {
    margin-bottom: calc(var(--spacing-unit) * 6);
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 4);
    background: rgba(12, 15, 18, 0.4);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--border-chalk);
    border-radius: var(--radius-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.site-title {
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.system-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.system-status::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(240px, auto);
    gap: 20px;
    flex-grow: 1;
}

.bento-item {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--border-chalk);
    border-radius: var(--radius-card);
    padding: calc(var(--spacing-unit) * 4);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    box-shadow: 0 4px 24px -1px rgba(0, 0, 0, 0.25);
}

.bento-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-glow), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.bento-item:hover {
    background: var(--glass-bg-hover);
    border-color: var(--border-chalk-active);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 15px rgba(255, 255, 255, 0.05);
}

.bento-item:hover::before {
    opacity: 1;
}

.span-2 { grid-column: span 2; }
.span-large { grid-column: span 2; grid-row: span 2; }

.item-number {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 1px;
    opacity: 0.8;
}

.item-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-top: calc(var(--spacing-unit) * 2);
    margin-bottom: auto;
}

.detail-line {
    width: 32px;
    height: 2px;
    background: var(--chalk-accent);
    opacity: 0.4;
    border-radius: 2px;
    margin-top: calc(var(--spacing-unit) * 2);
    transition: var(--transition);
}

.bento-item:hover .detail-line {
    width: 56px;
    opacity: 0.9;
}

.item-arrow {
    position: absolute;
    bottom: 24px;
    left: 24px;  
    opacity: 0.4;
    font-size: 1.2rem;
    transition: var(--transition);
}

.bento-item:hover .item-arrow {
    opacity: 1;
    transform: translateX(-6px);
    color: var(--chalk-accent);
}

footer {
    margin-top: calc(var(--spacing-unit) * 6);
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 4);
    background: rgba(12, 15, 18, 0.4);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--border-chalk);
    border-radius: var(--radius-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-credits span {
    color: var(--text-primary);
    font-weight: 600;
}

@media (max-width: 1024px) {     
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    body {
        padding: calc(var(--spacing-unit) * 2);
    }
    
    header, footer {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .span-2, .span-large { 
        grid-column: span 1; 
        grid-row: span 1;
    }
}