/* ── reset & base ── */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background: #f7f2e9;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            padding: 2rem 1.5rem;
            color: #1e1e2a;
            line-height: 1.5;
            display: flex;
            justify-content: center;
        }

        /* ── LOADING OVERLAY ── */
        #loader-overlay {
            position: fixed;
            inset: 0;
            z-index: 9999;
            background: #f7f2e9;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: opacity 0.8s ease, visibility 0.8s ease;
            opacity: 1;
            visibility: visible;
        }

        #loader-overlay.loaded {
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
        }

        .loader-box {
            background: #ffffff;
            border: 5px solid #1e1e2a;
            border-radius: 28px;
            box-shadow: 14px 14px 0 #1e1e2a;
            padding: 2.5rem 3.5rem;
            text-align: center;
            max-width: 440px;
            width: 90%;
            animation: loaderPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
            transform: scale(0.8);
            opacity: 0;
        }

        @keyframes loaderPop {
            0% {
                transform: scale(0.8);
                opacity: 0;
            }
            100% {
                transform: scale(1);
                opacity: 1;
            }
        }

        .loader-ring {
            position: relative;
            width: 80px;
            height: 80px;
            margin: 0 auto 1.2rem auto;
        }

        .loader-ring::before,
        .loader-ring::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 50%;
            border: 6px solid transparent;
        }

        .loader-ring::before {
            border-top-color: #ffb3c6;
            border-left-color: #ffb3c6;
            animation: spinRing 1.1s cubic-bezier(0.65, 0.0, 0.35, 1.0) infinite;
        }

        .loader-ring::after {
            border-right-color: #a6d9f7;
            border-bottom-color: #a6d9f7;
            animation: spinRing 1.1s cubic-bezier(0.65, 0.0, 0.35, 1.0) infinite reverse;
            width: 62px;
            height: 62px;
            top: 9px;
            left: 9px;
        }

        @keyframes spinRing {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        .loader-dots {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 0.8rem 0 0.4rem 0;
        }

        .loader-dots span {
            width: 14px;
            height: 14px;
            background: #1e1e2a;
            border-radius: 50%;
            border: 2px solid #1e1e2a;
            animation: dotBounce 1.2s ease-in-out infinite;
            transform: scale(0.6);
        }

        .loader-dots span:nth-child(2) {
            animation-delay: 0.2s;
            background: #ffd966;
        }
        .loader-dots span:nth-child(3) {
            animation-delay: 0.4s;
            background: #b7e4c7;
        }
        .loader-dots span:nth-child(4) {
            animation-delay: 0.6s;
            background: #a6d9f7;
        }
        .loader-dots span:nth-child(5) {
            animation-delay: 0.8s;
            background: #f7c5a0;
        }

        @keyframes dotBounce {
            0%,
            100% {
                transform: scale(0.6);
                opacity: 0.4;
            }
            50% {
                transform: scale(1.2);
                opacity: 1;
            }
        }

        .loader-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin: 0.2rem 0 0.1rem 0;
            color: #1e1e2a;
        }

        .loader-title span {
            background: #ffb3c6;
            padding: 0 0.3rem;
            border-radius: 12px;
            border: 3px solid #1e1e2a;
            display: inline-block;
        }

        .loader-sub {
            font-size: 0.85rem;
            font-weight: 600;
            color: #3d3d52;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-top: 0.1rem;
        }

        .loader-sub .neo-tag {
            display: inline-block;
            background: #ffd966;
            border: 3px solid #1e1e2a;
            border-radius: 40px;
            padding: 0.1rem 1rem;
            font-weight: 700;
            font-size: 0.6rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: #1e1e2a;
        }

        /* ── loader progress bar (neo style) ── */
        .loader-progress {
            width: 100%;
            height: 10px;
            background: #e5dfd4;
            border: 3px solid #1e1e2a;
            border-radius: 40px;
            margin-top: 1rem;
            overflow: hidden;
            position: relative;
        }

        .loader-progress-bar {
            height: 100%;
            width: 0%;
            background: #a6d9f7;
            border-radius: 40px;
            transition: width 0.2s ease;
            box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.3);
        }

        .loader-progress-bar.fill {
            background: #b7e4c7;
            width: 100%;
        }

        /* ── neobrutalism core ── */
        .blog-wrap {
            max-width: 880px;
            width: 100%;
        }

        .neo-card {
            background: #ffffff;
            border: 4px solid #1e1e2a;
            border-radius: 20px;
            box-shadow: 10px 10px 0 #1e1e2a;
            padding: 2rem 2.25rem;
            margin-bottom: 2.25rem;
            transition: box-shadow 0.15s ease;
        }

        .neo-card:hover {
            box-shadow: 12px 12px 0 #1e1e2a;
        }

        .neo-tag {
            display: inline-block;
            background: #ffd966;
            border: 3px solid #1e1e2a;
            border-radius: 40px;
            padding: 0.2rem 1rem;
            font-weight: 700;
            font-size: 0.7rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: #1e1e2a;
        }

        .neo-btn {
            display: inline-block;
            background: #a6d9f7;
            border: 3px solid #1e1e2a;
            border-radius: 60px;
            padding: 0.55rem 1.6rem;
            font-weight: 700;
            font-size: 0.9rem;
            color: #1e1e2a;
            text-decoration: none;
            box-shadow: 4px 4px 0 #1e1e2a;
            transition: all 0.1s ease;
        }

        .neo-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 #1e1e2a;
        }

        .neo-btn i {
            margin-right: 0.4rem;
        }

        /* ── typography ── */
        h1,
        h2,
        h3 {
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        h1 {
            font-size: 2.8rem;
            margin-bottom: 0.25rem;
        }

        h1 span {
            background: #ffb3c6;
            padding: 0 0.3rem;
            border-radius: 12px;
            border: 3px solid #1e1e2a;
            display: inline-block;
        }

        .subhead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #2d2d3f;
            margin-top: 0.2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .subhead .neo-tag {
            font-size: 0.65rem;
        }

        h2 {
            font-size: 2rem;
            margin: 0 0 0.5rem 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        h2 .neo-tag {
            font-size: 0.6rem;
            background: #b7e4c7;
        }

        h3 {
            font-size: 1.3rem;
            margin: 0 0 0.3rem 0;
        }

        p,
        li {
            font-size: 1.05rem;
            color: #1e1e2a;
        }

        .text-muted {
            color: #3d3d52;
        }

        /* ── divider ── */
        .neo-divider {
            width: 100%;
            height: 4px;
            background: #1e1e2a;
            border-radius: 10px;
            margin: 1.5rem 0 1.8rem 0;
        }

        /* ── lists ── */
        .neo-list {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0.2rem 0;
        }

        .neo-list li {
            padding: 0.6rem 0 0.6rem 2.2rem;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%231e1e2a" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>') left center no-repeat;
            background-size: 1.2rem;
            border-bottom: 2px solid #e5dfd4;
        }

        .neo-list li:last-child {
            border-bottom: 0;
        }

        .neo-list--cross li {
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%23d14c4c" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"></line><line x1="6" y1="6" x2="18" y2="18"></line></svg>');
        }

        /* ── grid for 2-col layout ── */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        @media (max-width: 640px) {
            .two-col {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            h1 {
                font-size: 2.2rem;
            }

            .neo-card {
                padding: 1.5rem 1.2rem;
            }

            body {
                padding: 1rem 0.8rem;
            }
        }

        /* ── badge / meta ── */
        .meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.6rem;
            margin-top: 0.6rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #2d2d3f;
        }

        .meta-row i {
            margin-right: 0.3rem;
        }

        /* ── footer ── */
        .footer-note {
            text-align: center;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 1.5rem 0 0.5rem 0;
            border-top: 4px solid #1e1e2a;
            margin-top: 1rem;
        }

        .footer-note a {
            color: #1e1e2a;
            text-decoration: underline wavy #ffb3c6 3px;
            font-weight: 700;
        }

        .footer-note i {
            color: #d14c4c;
        }

        /* ── utility ── */
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        /* small screens fine-tuning */
        @media (max-width: 480px) {
            .neo-card {
                border-width: 3px;
                box-shadow: 6px 6px 0 #1e1e2a;
                padding: 1.2rem 1rem;
            }
            .neo-btn {
                padding: 0.4rem 1.2rem;
                font-size: 0.8rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            p,
            li {
                font-size: 0.95rem;
            }
            .loader-box {
                padding: 2rem 1.5rem;
            }
            .loader-title {
                font-size: 1.6rem;
            }
            .loader-ring {
                width: 60px;
                height: 60px;
            }
            .loader-ring::after {
                width: 46px;
                height: 46px;
                top: 7px;
                left: 7px;
            }
        }

        /* ── additional style for the back button ── */
        .back-btn {
            background: #e0d6c8;
            font-size: 0.8rem;
            padding: 0.3rem 1.2rem;
            box-shadow: 3px 3px 0 #1e1e2a;
            border-width: 3px;
            margin-left: 0.2rem;
        }
        .back-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0 #1e1e2a;
        }
        .back-btn i {
            margin-right: 0.3rem;
        }

        /* ── tools grid ── */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 0.5rem;
        }

        .tools-grid .tool-card {
            background: #f0ebe0;
            border: 3px solid #1e1e2a;
            border-radius: 16px;
            padding: 1rem 1.2rem;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .tools-grid .tool-card h3 {
            font-size: 1.1rem;
            margin: 0 0 0.3rem 0;
        }

        .tools-grid .tool-card p {
            font-size: 0.95rem;
            flex: 1;
            margin-bottom: 0.8rem;
        }

        .tools-grid .tool-card a {
            font-weight: 700;
            color: #1e1e2a;
            text-decoration: underline wavy #a6d9f7 2px;
            margin-top: auto;
            align-self: flex-start;
        }

        @media (max-width: 768px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .tools-grid {
                grid-template-columns: 1fr;
            }
        }