:root {
    --bt-tq-max: 980px;
}

.bt-tq-shell {
    max-width: var(--bt-tq-max);
    margin: 0 auto;
    padding: 56px 20px 72px;
    color: #171717;
}

.bt-tq-hero {
    text-align: center;
    padding: 64px 24px;
    border: 1px solid #e8e8e8;
    border-radius: 30px;
    background:
        radial-gradient(circle at top, rgba(0,0,0,.035), transparent 45%),
        #fff;
}

.bt-tq-badge {
    display: inline-block;
    margin-bottom: 18px;
    padding: 7px 10px;
    border-radius: 999px;
    background: #f1f1f1;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .09em;
}

.bt-tq-hero h1 {
    margin: 0;
    font-size: clamp(48px, 9vw, 86px);
    line-height: .95;
    letter-spacing: -.055em;
}

.bt-tq-lead {
    max-width: 680px;
    margin: 24px auto 0;
    font-size: clamp(19px, 3vw, 25px);
    line-height: 1.45;
    color: #555;
}

.bt-tq-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

.bt-tq-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 21px;
    border-radius: 14px;
    font-weight: 700;
    text-decoration: none !important;
    transition: transform .15s ease, opacity .15s ease;
}

.bt-tq-button:hover {
    transform: translateY(-1px);
}

.bt-tq-button-primary {
    background: #171717;
    color: #fff !important;
}

.bt-tq-button-secondary {
    background: #f1f1f1;
    color: #171717 !important;
}

.bt-tq-button-disabled {
    background: #eee;
    color: #999 !important;
    cursor: default;
}

.bt-tq-meta {
    margin-top: 20px;
    font-size: 13px;
    color: #777;
}

.bt-tq-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 18px;
}

.bt-tq-card,
.bt-tq-section {
    border: 1px solid #e8e8e8;
    border-radius: 22px;
    background: #fff;
}

.bt-tq-card {
    padding: 24px;
}

.bt-tq-card h2,
.bt-tq-section h2 {
    margin-top: 0;
}

.bt-tq-card p {
    margin-bottom: 0;
    color: #606060;
}

.bt-tq-section {
    margin-top: 18px;
    padding: 28px;
}

.bt-tq-list {
    margin-bottom: 0;
}

.bt-tq-support-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.bt-tq-support-strip p {
    margin-bottom: 0;
    color: #666;
}

.bt-tq-tip-shell {
    max-width: 760px;
}

.bt-tq-tip-hero {
    padding-top: 72px;
    padding-bottom: 72px;
}

.bt-tq-notice {
    max-width: 520px;
    margin: 28px auto 0;
    padding: 16px;
    border-radius: 14px;
    background: #f4f4f4;
    color: #666;
}

.bt-tq-back {
    text-decoration: none;
    font-weight: 700;
    color: inherit;
}

@media (max-width: 720px) {
    .bt-tq-shell {
        padding-top: 24px;
    }

    .bt-tq-hero {
        padding: 44px 18px;
        border-radius: 24px;
    }

    .bt-tq-card-grid {
        grid-template-columns: 1fr;
    }

    .bt-tq-support-strip {
        align-items: flex-start;
        flex-direction: column;
    }

    .bt-tq-button {
        width: 100%;
    }

    .bt-tq-actions {
        flex-direction: column;
    }
}

@media (prefers-color-scheme: dark) {
    .bt-tq-shell {
        color: #f5f5f5;
    }

    .bt-tq-hero,
    .bt-tq-card,
    .bt-tq-section {
        background: #151515;
        border-color: #2a2a2a;
    }

    .bt-tq-hero {
        background:
            radial-gradient(circle at top, rgba(255,255,255,.055), transparent 45%),
            #151515;
    }

    .bt-tq-badge,
    .bt-tq-button-secondary,
    .bt-tq-notice {
        background: #242424;
        color: #eee !important;
    }

    .bt-tq-lead,
    .bt-tq-card p,
    .bt-tq-support-strip p,
    .bt-tq-meta {
        color: #aaa;
    }

    .bt-tq-button-primary {
        background: #f4f4f4;
        color: #111 !important;
    }
}