:root {
        --bd-blue: #1E6FFB;
        --bd-blue-light: #F0F7FF;
        --bd-bg: #FFFFFF;
    }

    header {
        background: rgba(240, 247, 255, 0.85) !important;
        backdrop-filter: saturate(180%) blur(10px);
        border-bottom: 1px solid #D1E3F8;
    }

    body {
        font-family: system-ui, -apple-system, sans-serif;
        color: #0F172A;
        background-color: var(--bd-bg);
    }

    .bder-title {
        font-size: 2.5rem;
        padding-top: 10px;
    }

    @media (max-width: 768px) {
        .bder-title {
            font-size: 19px;
        }
    }

    @media (max-width: 320px) {
        .bder-title {
            font-size: 16px;
        }
    }

    .text-primary {
        color: var(--bd-blue) !important;
    }

    .btn-primary {
        background-color: var(--bd-blue);
        border-color: var(--bd-blue);
        box-shadow: 0 4px 12px rgba(30, 111, 251, 0.35);
        transition: all 0.2s;
    }

    .btn-primary:hover {
        background-color: #165cd6;
        transform: translateY(-2px);
    }

    .form-control {
        padding: 12px 16px;
        border-radius: 10px;
        border: 1.5px solid #E5E7EB;
    }

    .form-control:focus {
        border-color: var(--bd-blue);
        box-shadow: 0 0 0 4px rgba(30, 111, 251, 0.18);
    }

    .phone-frame {
        background: var(--bd-panel);
        border-radius: 24px;
        padding: 1rem;
        border: 1px solid #E5E7EB;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    }

    .phone-frame img {
        width: 100%;
        height: auto;
        object-fit: cover;
        border-radius: 12px;
    }

    .step-container {
        min-height: 40px;
        margin-bottom: 15px;
    }

    .step-badge-fixed {
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);

        width: 28px;
        height: 28px;
        background-color: #0d6efd;
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        font-weight: bold;
        z-index: 2;
    }

    .step-container .text-muted {
        padding-left: 44px;
        padding-right: 20px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1.25;
        color: #6c757d;
    }

    #registro .form-control {
        color: #6c757d;
    }

    .phone-frame .text-muted {
        line-height: 1.2;
    }


    .holding-text {
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: 1.5px;
        color: rgba(255, 255, 255, 0.6);
        font-weight: 500;
    }

    .footer-simple {
        background-color: #F0F7FF;
        border-top: 1px solid #D1E3F8;
    }

    .footer-links a:hover {
        color: var(--bd-blue) !important;
        text-decoration: underline !important;
    }

    #year-simple {
        font-weight: 500;
    }