:root {
            --abt-red: #ff3b30;
            --abt-dark: #0a0a0a;
            --abt-gray: #fbfbfd;
            --abt-border: rgba(0, 0, 0, 0.1);
        }

        #abt-skeleton-overlay {
            position: fixed;
            inset: 0;
            background: #fff;
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .abt-sk-wrap {
            width: 1000px;
            padding: 20px;
        }

        .abt-sk-hero {
            height: 400px;
            background: #f2f2f7;
            border-radius: 30px;
            animation: abt-pulse 1.5s infinite;
        }

        .abt-sk-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .abt-sk-box {
            height: 200px;
            background: #f2f2f7;
            border-radius: 20px;
            animation: abt-pulse 1.5s infinite;
        }

        .abt-sk-box.wide {
            grid-column: span 2;
        }

        @keyframes abt-pulse {
            50% {
                opacity: 0.5;
            }
        }

        .abt-main-wrapper {
            opacity: 0;
            transition: opacity 0.8s ease;
        }

        .abt-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 80px 20px;
        }

        .abt-badge {
            background: #f2f2f7;
            color: var(--abt-red);
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 12px;
            display: inline-block;
            margin-bottom: 15px;
        }

        .abt-hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .abt-hero-grid h1 {
            font-size: 64px;
            line-height: 1.1;
            margin: 20px 0;
            letter-spacing: -2px;
            color: var(--abt-dark);
        }

        .abt-highlight {
            color: var(--abt-red);
        }

        .abt-hero-img img {
            width: 100%;
            border-radius: 40px;
            box-shadow: 0 40px 100px rgba(0, 0, 0, 0.1);
        }

        .abt-dash-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 40px;
        }

        .abt-dash-card {
            padding: 40px;
            border-radius: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .abt-dash-card.dark-mode {
            background: var(--abt-dark);
            color: #fff;
        }

        .abt-dash-card.outline-mode {
            border: 1px solid var(--abt-border);
        }

        .abt-stat-unit {
            margin-bottom: 20px;
        }

        .abt-stat-number {
            display: block;
            font-size: 32px;
            font-weight: 800;
            color: var(--abt-red);
        }

        .abt-legal-item {
            display: flex;
            justify-content: space-between;
            border-bottom: 1px solid var(--abt-border);
            padding: 15px 0;
        }

        .abt-bento-box {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-auto-rows: 220px;
            gap: 20px;
            margin-top: 60px;
        }

        .abt-bento-cell {
            background: var(--abt-gray);
            border-radius: 32px;
            padding: 40px;
            transition: transform 0.4s ease;
            overflow: hidden;
            position: relative;
        }

        .abt-bento-cell:hover {
            transform: translateY(-5px);
        }

        .abt-bento-cell.span-wide {
            grid-column: span 2;
        }

        .abt-bento-cell.span-tall {
            grid-row: span 2;
            padding: 0;
        }

        .abt-bento-cell.span-tall img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .abt-bento-cell.red-accent {
            background: var(--abt-red);
            color: #fff;
        }

        .abt-icon-lg {
            font-size: 32px;
            margin-bottom: 15px;
        }

        .abt-reveal {
            transform: translateY(30px);
            transition: 1s cubic-bezier(0.19, 1, 0.22, 1);
        }

        .abt-reveal.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (max-width: 900px) {

            .abt-hero-grid,
            .abt-dash-row,
            .abt-bento-box {
                grid-template-columns: 1fr;
            }

            .abt-bento-cell.span-wide,
            .abt-bento-cell.span-tall {
                grid-column: span 1;
                grid-row: span 1;
            }

            .abt-bento-box {
                grid-auto-rows: auto;
            }

            .abt-hero-grid h1 {
                font-size: 42px;
            }
        }

        /* در بخش فوتر */
        .premium-footer {
            opacity: 0;
            /* نامرئی */
            visibility: hidden;
            /* غیرقابل دسترس */
            transition: opacity 0.8s ease-in-out;
            /* برای ظاهر شدن نرم */
        }

        /* کلاس کمکی برای نمایش */
        .premium-footer.is-visible {
            opacity: 1;
            visibility: visible;
        }