/* ================================
           BLOG SECTION - PREMIUM VERSION
        ================================= */

        :root {
            --brand-red: #e11d48;
            --brand-red-dark: #be123c;
            --brand-red-soft: #fff1f2;

            --text-main: #111827;
            --text-muted: #6b7280;

            --card-bg: #ffffff;
            --border-soft: rgba(17, 24, 39, 0.08);

            --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.06);
            --shadow-red: 0 24px 55px -18px rgba(225, 29, 72, 0.32);

            --radius-xl: 24px;
            --transition-premium: 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
        }
/* آماده‌سازی فوتر برای انیمیشن لود */
.premium-footer {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.premium-footer.is-visible {
    opacity: 1;
    transform: translateY(0);
}

        main {
            padding-top: 70px;
            min-height: 100vh;
        }

        .blog-section {
            max-width: 1200px;
            margin: auto;
            padding: 80px 20px;
        }

        .blog-header {
            text-align: center;
            max-width: 740px;
            margin: 0 auto 60px;
        }

        .blog-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-red-soft);
            color: var(--brand-red);
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 8px 22px rgba(225, 29, 72, 0.08);
        }

        .blog-header h2 {
            font-size: clamp(30px, 4vw, 42px);
            margin-top: 18px;
            margin-bottom: 0;
            color: var(--text-main);
            line-height: 1.18;
            letter-spacing: -0.035em;
        }

        .blog-header p {
            color: var(--text-muted);
            margin-top: 16px;
            font-size: 15.5px;
            line-height: 1.8;
        }

        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            align-items: stretch;
        }

        /* ================================
           REAL ARTICLE CARD
        ================================= */

        .blog-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: transform var(--transition-premium),
                box-shadow var(--transition-premium),
                border-color var(--transition-premium),
                opacity 0.45s ease,
                filter 0.45s ease;
            display: flex;
            flex-direction: column;
            position: relative;
            cursor: pointer;
            min-height: 100%;
            box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
            isolation: isolate;
        }

        .blog-card::before {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--radius-xl);
            padding: 1px;
            background: linear-gradient(135deg,
                    rgba(225, 29, 72, 0.75),
                    rgba(225, 29, 72, 0.06),
                    transparent 65%);
            -webkit-mask:
                linear-gradient(#fff 0 0) content-box,
                linear-gradient(#fff 0 0);
            mask:
                linear-gradient(#fff 0 0) content-box,
                linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0;
            transition: opacity var(--transition-premium);
            pointer-events: none;
            z-index: 2;
        }

        .blog-card::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            right: -70px;
            top: -70px;
            background: radial-gradient(circle, rgba(225, 29, 72, 0.14), transparent 65%);
            opacity: 0;
            transform: scale(0.8);
            transition: opacity var(--transition-premium), transform var(--transition-premium);
            pointer-events: none;
            z-index: 1;
        }

        .blog-card:hover {
            transform: translateY(-12px);
            border-color: rgba(225, 29, 72, 0.28);
            box-shadow: var(--shadow-red), var(--shadow-soft);
        }

        .blog-card:hover::before,
        .blog-card:hover::after {
            opacity: 1;
        }

        .blog-card:hover::after {
            transform: scale(1);
        }

        .blog-image {
            height: 220px;
            overflow: hidden;
            position: relative;
            background: #f1f5f9;
            z-index: 0;
        }

        .blog-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background:
                linear-gradient(to top, rgba(0, 0, 0, 0.24), transparent 58%),
                linear-gradient(135deg, rgba(225, 29, 72, 0.18), transparent 45%);
            opacity: 0;
            transition: opacity 0.45s ease;
            pointer-events: none;
        }

        .blog-card:hover .blog-image::after {
            opacity: 1;
        }

        .blog-image img {
            width: 100%;
            height: 100%;
            display: block;
            object-fit: cover;
            transition: transform 0.85s cubic-bezier(0.165, 0.84, 0.44, 1),
                filter 0.85s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

        .blog-card:hover .blog-image img {
            transform: scale(1.1);
            filter: saturate(1.08) contrast(1.03);
        }

        .blog-content {
            padding: 26px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
            position: relative;
            z-index: 3;
        }

        .blog-category {
            font-size: 12px;
            font-weight: 800;
            color: var(--brand-red);
            letter-spacing: 0.065em;
            text-transform: uppercase;
        }

        .blog-content h3 {
            font-size: 20px;
            margin: 12px 0;
            line-height: 1.42;
            color: var(--text-main);
            letter-spacing: -0.018em;
        }

        .blog-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            flex-grow: 1;
            margin: 0;
        }

        .blog-btn {
            margin-top: 22px;
            padding: 11px 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            width: fit-content;
            font-weight: 700;
            font-size: 14px;
            color: #111827;
            text-decoration: none;
            background: transparent;
            border: 1px solid #e5e7eb;
            border-radius: 13px;
            transition: color 0.35s ease,
                border-color 0.35s ease,
                transform 0.35s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .blog-btn::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-red-dark));
            transition: height 0.32s cubic-bezier(0.22, 1, 0.36, 1);
            z-index: -1;
        }

        .blog-card:hover .blog-btn {
            border-color: rgba(225, 29, 72, 0.34);
        }

        .blog-btn:hover {
            color: #fff;
            border-color: var(--brand-red);
            transform: translateY(-1px);
        }

        .blog-btn:hover::after {
            height: 100%;
        }

        .blog-btn i {
            font-size: 13px;
            transition: transform 0.32s ease;
        }

        .blog-btn:hover i,
        .blog-card:hover .blog-btn i {
            transform: translateX(5px);
        }

        /* ================================
           PROFESSIONAL SKELETON LOADING
        ================================= */

        .skeleton-card {
            background: rgba(255, 255, 255, 0.88);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.85);
            box-shadow: 0 18px 42px rgba(15, 23, 42, 0.045);
            position: relative;
            min-height: 420px;
        }

        .skeleton-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                linear-gradient(120deg,
                    transparent 0%,
                    rgba(255, 255, 255, 0.35) 18%,
                    transparent 36%);
            transform: translateX(-120%);
            animation: skeleton-sweep 1.9s infinite;
            z-index: 3;
            pointer-events: none;
        }

        .skeleton-card::after {
            content: "";
            position: absolute;
            inset: -1px;
            border-radius: inherit;
            background: radial-gradient(circle at 20% 0%,
                    rgba(225, 29, 72, 0.08),
                    transparent 35%);
            opacity: 0.9;
            pointer-events: none;
        }

        .skeleton {
            position: relative;
            overflow: hidden;
            background:
                linear-gradient(90deg,
                    #e8eef6 0%,
                    #f6f8fb 42%,
                    #e8eef6 78%);
            background-size: 220% 100%;
            animation: skeleton-loading 1.45s ease-in-out infinite;
        }

        .skeleton-image {
            width: 100%;
            height: 220px;
            border-radius: 0;
        }

        .skeleton-body {
            padding: 26px;
        }

        .skeleton-line {
            height: 14px;
            border-radius: 999px;
            margin-bottom: 13px;
        }

        .skeleton-category {
            width: 38%;
            height: 13px;
            margin-bottom: 17px;
        }

        .skeleton-title {
            width: 82%;
            height: 22px;
            margin-bottom: 16px;
        }

        .skeleton-text-1 {
            width: 94%;
        }

        .skeleton-text-2 {
            width: 76%;
        }

        .skeleton-btn {
            width: 128px;
            height: 40px;
            border-radius: 13px;
            margin-top: 24px;
        }

        @keyframes skeleton-loading {
            0% {
                background-position: 170% 0;
            }

            100% {
                background-position: -170% 0;
            }
        }

        @keyframes skeleton-sweep {
            0% {
                transform: translateX(-130%);
            }

            55% {
                transform: translateX(130%);
            }

            100% {
                transform: translateX(130%);
            }
        }

        /* ================================
           ENTRY ANIMATION AFTER LOADING
        ================================= */

        .article-enter {
            opacity: 0;
            transform: translateY(24px) scale(0.985);
            filter: blur(8px);
            animation: articleReveal 0.72s cubic-bezier(0.22, 1, 0.36, 1) forwards;
        }

        @keyframes articleReveal {
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
                filter: blur(0);
            }
        }

        .grid-fade-out {
            opacity: 0;
            transform: translateY(8px);
            filter: blur(8px);
            transition: opacity 0.35s ease, transform 0.35s ease, filter 0.35s ease;
        }

        /* ================================
           RESPONSIVE
        ================================= */

        @media (max-width: 1000px) {
            .blog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            main {
                padding-top: 80px;
            }

            .blog-section {
                padding: 64px 18px;
            }

            .blog-header {
                margin-bottom: 42px;
            }
        }

        @media (max-width: 600px) {
            .blog-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .blog-image,
            .skeleton-image {
                height: 210px;
            }

            .blog-content,
            .skeleton-body {
                padding: 22px;
            }
        }

        @media (prefers-reduced-motion: reduce) {

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                scroll-behavior: auto !important;
                transition-duration: 0.01ms !important;
            }
        }