/**
 * DataGrid Hero — خلفية شبكة متحركة نابضة مع توهج يتبع الماوس
 * نسخة Vanilla CSS/JS مأخوذة من مكوّن React DataGridHero
 * الاستخدام: <div class="data-grid-hero" data-grid-hero data-rows="14" data-cols="34" ...>
 */

.data-grid-hero {
    position: relative;
    overflow: hidden;
    background: hsl(222, 47%, 9%);
    border-radius: 14px;
    isolation: isolate;
    /* متغيرات التوهج — تُقرأ من الطبقات الداخلية */
    --mouse-x: 50%;
    --mouse-y: 50%;
    --mouse-glow-opacity: 1;
    --glow-color: 102, 126, 234; /* RGB */
}

.data-grid-hero .grid-container {
    position: absolute;
    inset: 0;
    display: grid;
    z-index: 0;
    pointer-events: none;
}

.data-grid-hero .grid-cell {
    border-radius: 2px;
    opacity: var(--opacity-min, 0.05);
    will-change: opacity;
}

@keyframes cell-pulse {
    from { opacity: var(--opacity-min, 0.05); }
    to   { opacity: var(--opacity-max, 0.6); }
}

/* طبقة التوهج التي تتبع الماوس */
.data-grid-hero .grid-glow {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: var(--mouse-glow-opacity, 1);
    background: radial-gradient(
        circle 260px at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(var(--glow-color), 0.22),
        rgba(var(--glow-color), 0.07) 45%,
        transparent 70%
    );
    transition: opacity 0.4s ease;
}

/* تدرّج خفيف أسفل الهيرو لدمجه مع الصفحة */
.data-grid-hero::after {
    content: '';
    position: absolute;
    inset: auto 0 0 0;
    height: 45%;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(to top, rgba(10, 14, 25, 0.55), transparent);
}

.data-grid-hero .hero-content {
    position: relative;
    z-index: 2;
    padding: 38px 34px;
    color: #fff;
}

.data-grid-hero .hero-title {
    font-size: clamp(24px, 4vw, 34px);
    font-weight: 800;
    margin: 0 0 6px;
    color: #fff;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    gap: 12px;
}

.data-grid-hero .hero-subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.72);
    margin: 0;
    max-width: 640px;
    line-height: 1.7;
}

.data-grid-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(6px);
    color: rgba(255, 255, 255, 0.85);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 30px;
    margin-bottom: 14px;
}

.data-grid-hero .hero-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.data-grid-hero .hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
}

.data-grid-hero .hero-btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.45);
}
.data-grid-hero .hero-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(102, 126, 234, 0.6);
    color: #fff;
}

.data-grid-hero .hero-btn-outline {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(6px);
}
.data-grid-hero .hero-btn-outline:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    transform: translateY(-2px);
}

/* شرائح الإحصائيات الزجاجية داخل الهيرو */
.data-grid-hero .hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 26px;
}

.data-grid-hero .hero-stat {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: 14px 18px;
    transition: all 0.25s ease;
}
.data-grid-hero .hero-stat:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.data-grid-hero .hero-stat .num {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.data-grid-hero .hero-stat .lbl {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 3px;
    display: flex;
    align-items: center;
    gap: 6px;
}

@media (max-width: 640px) {
    .data-grid-hero .hero-content { padding: 26px 20px; }
}

@media (prefers-reduced-motion: reduce) {
    .data-grid-hero .grid-cell { animation: none !important; }
}