:root {
        --bg: #bfdbfe;
        --navy: #1e3a8a;
        --navy-dark: #0f2460;
        --navy-mid: #1d4ed8;
        --accent: #22d3ee;
        --font: 'Poppins', sans-serif;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        overflow-x: hidden;
    }

    body {
        font-family: var(--font);
        background: var(--bg);
        color: var(--navy-dark);
        overflow-x: hidden;
    }

    /* ===== TOP BAR ===== */
    .top-bar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding: 14px 32px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: rgba(191, 219, 254, 0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(30, 58, 138, 0.1);
    }

    .top-bar-left {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .btn-back,
    .btn-home {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        font-family: var(--font);
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.5px;
        padding: 8px 18px;
        border-radius: 50px;
        cursor: pointer;
        text-decoration: none;
        border: none;
        transition: background 0.2s, color 0.2s, transform 0.2s;
    }

    .btn-back {
        background: transparent;
        border: 2px solid var(--navy);
        color: var(--navy);
    }

    .btn-back:hover {
        background: var(--navy);
        color: #fff;
        transform: translateX(-2px);
    }

    .btn-home {
        background: var(--navy);
        color: #fff;
    }

    .btn-home:hover {
        background: var(--navy-mid);
        transform: translateY(-1px);
    }

    .top-bar-logo {
        display: flex;
        align-items: center;
        gap: 6px;
        text-decoration: none;
    }

    .top-bar-logo img {
        height: 36px;
        mix-blend-mode: multiply;
    }

    /* ===== HERO ===== */
    .blog-hero {
        padding-top: 90px;
        padding-bottom: 50px;
        position: relative;
        overflow: hidden;
    }

    .hero-blob {
        position: absolute;
        border-radius: 50%;
        opacity: 0.3;
        pointer-events: none;
    }

    .hb1 {
        width: 300px;
        height: 300px;
        background: #60a5fa;
        top: 0;
        left: -80px;
        filter: blur(60px);
    }

    .hb2 {
        width: 240px;
        height: 240px;
        background: #818cf8;
        bottom: 0;
        right: -60px;
        filter: blur(60px);
    }

    .blog-hero-inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 40px 32px 10px;
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .blog-hero-badge {
        display: inline-block;
        background: var(--navy);
        color: #fff;
        font-size: 0.72rem;
        font-weight: 700;
        letter-spacing: 3px;
        padding: 6px 20px;
        border-radius: 20px;
        margin-bottom: 20px;
    }

    .blog-hero h1 {
        font-size: clamp(2rem, 5vw, 3.2rem);
        font-weight: 900;
        color: var(--navy-dark);
        line-height: 1.1;
        margin-bottom: 14px;
    }

    .blog-hero h1 span {
        color: var(--navy-mid);
    }

    .blog-hero p {
        font-size: 0.95rem;
        color: var(--navy);
        max-width: 480px;
        margin: 0 auto 32px;
        line-height: 1.7;
    }

    /* Search */
    .blog-search-wrap {
        display: flex;
        justify-content: center;
    }

    .blog-search {
        display: flex;
        align-items: center;
        background: #fff;
        border-radius: 50px;
        padding: 6px 6px 6px 20px;
        gap: 8px;
        box-shadow: 0 4px 20px rgba(30, 58, 138, 0.15);
        width: 100%;
        max-width: 440px;
    }

    .blog-search input {
        flex: 1;
        border: none;
        outline: none;
        font-family: var(--font);
        font-size: 0.88rem;
        color: var(--navy-dark);
        background: transparent;
    }

    .blog-search input::placeholder {
        color: #93c5fd;
    }

    .blog-search button {
        background: var(--navy);
        color: #fff;
        border: none;
        border-radius: 50px;
        padding: 8px 20px;
        font-family: var(--font);
        font-size: 0.8rem;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s;
    }

    .blog-search button:hover {
        background: var(--navy-mid);
    }

    /* ===== FILTER ===== */
    .filter-wrap {
        max-width: 1100px;
        margin: 36px auto 32px;
        padding: 0 32px;
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .filter-btn {
        background: transparent;
        border: 2px solid var(--navy);
        color: var(--navy);
        font-family: var(--font);
        font-size: 0.78rem;
        font-weight: 600;
        letter-spacing: 1px;
        padding: 6px 18px;
        border-radius: 50px;
        cursor: pointer;
        transition: background 0.2s, color 0.2s, transform 0.2s;
    }

    .filter-btn:hover,
    .filter-btn.active {
        background: var(--navy);
        color: #fff;
        transform: translateY(-1px);
    }

    /* ===== SECTION LABEL ===== */
    .section-label {
        max-width: 1100px;
        margin: 0 auto 24px;
        padding: 0 32px;
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .section-label h2 {
        font-size: 1rem;
        font-weight: 800;
        letter-spacing: 3px;
        color: var(--navy-dark);
        white-space: nowrap;
    }

    .s-line {
        flex: 1;
        height: 2px;
        background: linear-gradient(90deg, var(--navy), transparent);
    }

    /* ===== BLOG GRID ===== */
    .blog-main {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 32px 80px;
    }

    .blog-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 28px;
    }

    /* Card */
    .b-card {
        background: #2f6fd8;
        border-radius: 18px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        box-shadow: 0 6px 24px rgba(15, 36, 96, 0.22);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .b-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 14px 36px rgba(15, 36, 96, 0.32);
    }

    .b-card-thumb {
        width: 100%;
        aspect-ratio: 16/9;
        overflow: hidden;
        flex-shrink: 0;
    }

    .b-card-thumb svg {
        width: 100%;
        height: 100%;
        display: block;
    }

    .b-card-body {
        padding: 18px 20px 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
        background: #3b75d9;
    }

    .b-card-tag {
        display: inline-block;
        background: rgba(255, 255, 255, 0.2);
        color: #e0f2fe;
        font-size: 0.68rem;
        font-weight: 700;
        letter-spacing: 1.2px;
        padding: 3px 10px;
        border-radius: 20px;
        margin-bottom: 10px;
        width: fit-content;
        text-transform: uppercase;
    }

    .b-card-title {
        font-size: 0.95rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .b-card-desc {
        font-size: 0.8rem;
        color: #e0f2fe;
        line-height: 1.55;
        flex: 1;
        margin-bottom: 16px;
    }

    .b-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: auto;
    }

    .b-card-meta {
        font-size: 0.72rem;
        color: #bfdbfe;
        display: flex;
        align-items: center;
        gap: 5px;
    }

    .btn-baca {
        display: inline-block;
        background: rgba(255, 255, 255, 0.88);
        color: var(--navy);
        font-size: 0.72rem;
        font-weight: 700;
        padding: 6px 16px;
        border-radius: 20px;
        text-decoration: none;
        letter-spacing: 0.8px;
        transition: background 0.2s, transform 0.2s;
        white-space: nowrap;
    }

    .btn-baca:hover {
        background: #fff;
        transform: translateX(3px);
    }

    /* Featured */
    .b-card.featured {
        grid-column: 1 / -1;
        flex-direction: row;
    }

    .b-card.featured .b-card-thumb {
        width: 44%;
        aspect-ratio: unset;
        flex-shrink: 0;
    }

    .b-card.featured .b-card-title {
        font-size: 1.15rem;
    }

    .b-card.featured .b-card-desc {
        font-size: 0.85rem;
    }

    /* Empty */
    .blog-empty {
        grid-column: 1 / -1;
        text-align: center;
        padding: 60px 20px;
        color: var(--navy);
        font-size: 0.95rem;
        opacity: 0.6;
    }

    /* ===== BACK TO TOP ===== */
    #backToTop {
        position: fixed;
        bottom: 2rem;
        right: 2rem;
        z-index: 99999;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: linear-gradient(135deg, #1e40af, #3b82f6);
        border: none;
        color: #fff;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 20px rgba(59, 130, 246, 0.5);
        opacity: 0;
        visibility: hidden;
        transform: translateY(16px);
        transition: opacity 0.3s, visibility 0.3s, transform 0.3s, box-shadow 0.3s;
    }

    #backToTop.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    #backToTop:hover {
        box-shadow: 0 8px 28px rgba(59, 130, 246, 0.7);
        transform: translateY(-3px);
    }

    /* ===== FOOTER ===== */
    .footer-wave {
        line-height: 0;
        overflow: hidden;
    }

    .footer-wave svg {
        width: 100%;
        height: 80px;
        display: block;
        margin-bottom: -2px;
    }

    .footer-body {
        background: var(--navy-dark);
        display: flex;
        align-items: flex-start;
        justify-content: center;
        gap: 60px;
        padding: 48px 32px 40px;
        flex-wrap: wrap;
    }

    .footer-logo-img {
        height: 140px;
        mix-blend-mode: screen;
    }

    .footer-col h4 {
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 2px;
        color: #fff;
        margin-bottom: 16px;
    }

    .footer-col ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-col li a {
        text-decoration: none;
        color: #93c5fd;
        font-size: 0.85rem;
        transition: color 0.2s;
    }

    .footer-col li a:hover {
        color: #fff;
    }

    .footer-sosmed {
        display: flex;
        gap: 12px;
        align-items: center;
    }

    .sosmed-btn {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #93c5fd;
        text-decoration: none;
        transition: background 0.2s, color 0.2s;
    }

    .sosmed-btn:hover {
        background: rgba(255, 255, 255, 0.2);
        color: #fff;
    }

    .footer-copy {
        background: #000;
        text-align: center;
        padding: 14px;
        color: #9ca3af;
        font-size: 0.82rem;
    }

    /* ANIMASI CARD */
    .b-card[data-tag] {
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .b-card.hidden {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
        pointer-events: none;
        position: absolute;
        visibility: hidden;
    }

    .b-card.visible {
        opacity: 1;
        transform: translateY(0) scale(1);
        position: relative;
        visibility: visible;
    }

    @keyframes searchReveal {
        from {
            opacity: 0;
            transform: translateY(20px) scale(0.95);
        }

        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    .b-card.search-animate {
        animation: searchReveal 0.45s ease;
    }



    /* ===== RESPONSIVE MOBILE ===== */
    @media (max-width: 768px) {
        .footer-body {
            flex-direction: row;
            flex-wrap: wrap;
            justify-content: center;
            align-items: flex-start;
            gap: 32px;
            padding: 40px 24px 32px;
            text-align: center;
        }

        .footer-logo {
            width: 100%;
            display: flex;
            justify-content: center;
        }

        .footer-logo-img {
            height: 120px;
        }

        .footer-col ul {
            align-items: center;
        }

        .footer-sosmed {
            width: 100%;
            justify-content: center;
        }

        .blog-search-wrap {
            padding: 0 20px;
        }

        .blog-search {
            max-width: 100%;
            width: 100%;
        }

        .blog-search button {
            padding: 8px 14px;
            font-size: 0.75rem;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .blog-search input {
            min-width: 0;
            width: 100%;
        }

    }

    @media (max-width: 480px) {
        .footer-logo-img {
            height: 100px;
        }
    }