:root {
        --primary: #0b7db8;
        --primary-dark: #08618f;
        --primary-light: #eaf6fc;
        --success: #16a34a;
        --warning: #f59e0b;
        --bg: #f5f7fb;
        --border: #e7edf4;
        --radius: 18px;
        --shadow: 0 8px 30px rgba(0, 0, 0, .08);
        --transition: .25s ease;
    }

    body {
        background: var(--bg);
    }

    /* ================= HERO ================= */
    .guide-header {
        background: linear-gradient(135deg, #0b7db8, #2aa7ef);
        border-radius: 24px;
        color: #fff;
        padding: 45px 50px;
        margin-bottom: 35px;
        overflow: hidden;
        position: relative;
        box-shadow: 0 15px 40px rgba(11, 125, 184, .25);
    }

    .guide-header::before {
        content: "";
        position: absolute;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .08);
        right: -80px;
        top: -80px;
    }

    .guide-header::after {
        content: "";
        position: absolute;
        width: 180px;
        height: 180px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .05);
        right: 120px;
        bottom: -80px;
    }

    .hero-icon {
        width: 82px;
        height: 82px;
        border-radius: 20px;
        background: rgba(255, 255, 255, .18);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 34px;
        margin-bottom: 20px;
        backdrop-filter: blur(10px);
    }

    .guide-header h1 {
        font-size: 2rem;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .guide-header p {
        margin: 0;
        font-size: 1.05rem;
        opacity: .95;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        margin-top: 22px;
        padding: 10px 18px;
        border-radius: 50px;
        background: rgba(255, 255, 255, .15);
        font-size: .92rem;
    }

    /* ================= MAIN CARD ================= */
    .guide-card {
        background: #fff;
        border-radius: 24px;
        box-shadow: var(--shadow);
        overflow: hidden;
    }

    .guide-body {
        padding: 40px;
    }

    /* ================= WIZARD ================= */
    .register-progress {
        position: relative;
        display: flex;
        justify-content: space-between;
        margin-bottom: 40px;
    }

    .progress-line {
        position: absolute;
        top: 23px;
        left: 55px;
        right: 55px;
        height: 4px;
        background: #dfe5eb;
        border-radius: 30px;
    }

    .progress-line-active {
        position: absolute;
        left: 0;
        top: 0;
        width: 0;
        height: 100%;
        background: linear-gradient(90deg, #0b7db8, #18a0e0);
        border-radius: 10px;
        transition: width .45s ease-in-out;
    }

    .progress-item {
        flex: 1;
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .progress-circle {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: #e5e7eb;
        color: #555;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: auto;
        font-weight: 700;
        font-size: 18px;
        border: 4px solid #fff;
        transition: .3s;
        box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
    }

    .progress-title {
        margin-top: 10px;
        font-weight: 600;
        font-size: .9rem;
        color: #6b7280;
    }

    .progress-item.active .progress-circle {
        background: var(--primary);
        color: #fff;
        transform: scale(1.1);
    }

    .progress-item.active .progress-title {
        color: var(--primary);
    }

    .progress-item.complete .progress-circle {
        background: var(--success);
        color: #fff;
    }

    /* ================= STEP ================= */
    .step-card {
        background: #fff;
        border-radius: 18px;
        padding: 35px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
        transition: .25s;
        scroll-margin-top: 90px;
    }

    .step-card:hover {
        box-shadow: 0 18px 40px rgba(0, 0, 0, .10);
    }

    .step-title {
        display: flex;
        align-items: center;
        margin-bottom: 25px;
    }

    .step-number {
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), #2aa7ef);
        color: #fff;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 24px;
        font-weight: 700;
        margin-right: 18px;
        flex-shrink: 0;
    }

    .step-title h3 {
        margin: 0;
        font-weight: 700;
    }

    .step-title p {
        margin: 4px 0 0;
        color: #6b7280;
    }

    /* ================= INFO ================= */
    .info-box {
        background: #f8fbff;
        border: 1px solid #d8ebfb;
        border-left: 5px solid var(--primary);
        border-radius: 15px;
        padding: 22px;
        margin-bottom: 30px;
    }

    .info-box ul {
        margin-bottom: 0;
        padding-left: 20px;
    }

    .info-box li {
        margin-bottom: 10px;
    }

    /* ================= IMAGE ================= */
    .guide-image {
        border-radius: 15px;
        transition: .35s;
        cursor: pointer;
        width: 100%;
    }

    .guide-image:hover {
        transform: scale(1.03);
        box-shadow: 0 20px 40px rgba(0, 0, 0, .18);
    }

    .image-caption {
        margin-top: 12px;
        text-align: center;
        color: #6b7280;
        font-size: .92rem;
    }

    /* ================= BUTTON ================= */
    .guide-card .btn,
    .guide-header .btn {
        border-radius: 12px;
        font-weight: 600;
        padding: .7rem 1.4rem;
    }

    .btn-primary {
        background: var(--primary);
        border-color: var(--primary);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
    }

    /* ================= RESPONSIVE ================= */
    @media (max-width:991px) {
        .guide-header {
            padding: 35px 30px;
        }

        .guide-body {
            padding: 25px;
        }
    }

    @media (max-width:768px) {
        .progress-title {
            display: none;
        }

        .progress-line {
            left: 35px;
            right: 35px;
        }

        .step-title {
            align-items: flex-start;
        }

        .step-number {
            width: 50px;
            height: 50px;
            font-size: 20px;
        }

        .guide-header h1 {
            font-size: 1.5rem;
        }
    }

    .step-number {
        width: 65px;
        height: 65px;
        border-radius: 50%;
        background: linear-gradient(135deg, #0b7db8, #1398df);
        color: #fff;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 28px;
        font-weight: 700;
        margin-right: 20px;
    }

    .check-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 14px 16px;
        background: #f8fafc;
        border: 1px solid #e9ecef;
        border-radius: 12px;
        transition: .25s;
    }

    .check-item:hover {
        background: #eef7ff;
        transform: translateY(-2px);
    }

    .check-item i {
        font-size: 20px;
        width: 24px;
        text-align: center;
    }

    .tab-pane {
        animation: fadePage .35s;
    }

    @keyframes fadePage {
        from {
            opacity: 0;
            transform: translateY(18px);
        }

        to {
            opacity: 1;
            transform: none;
        }
    }

    .btn-group .btn {
        min-width: 170px;
        font-weight: 600;
        transition: .25s;
    }

    .btn-group .btn.active {
        transform: translateY(-2px);
    }

    @media(max-width:768px) {
        .guide-header {
            padding: 35px 25px;
            text-align: center;
        }

        .guide-header h1 {
            font-size: 28px;
        }

        .guide-body {
            padding: 20px;
        }

        .step-card {
            padding: 20px;
        }

        .step-title {
            display: block;
            text-align: center;
        }

        .step-number {
            margin: auto auto 20px;
        }

        .btn-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .btn-group .btn {
            width: 100%;
        }
    }