/* Toothbrush guide: final layout layer. Loaded after the shared storefront CSS. */
.op2-brush-guide {
    --guide-line: rgba(7, 44, 192, 0.13);
    --guide-warm: #fbf5ec;
    --guide-pale: #edf7fb;
    display: flex;
    flex-direction: column;
    overflow: clip;
}

.op2-brush-guide .op2-brush-guide-hero { order: 1; }
.op2-brush-guide .op2-brush-guide-principle { order: 2; }
.op2-brush-guide .op2-brush-guide-series { order: 3; }
.op2-brush-guide .op2-brush-guide-compare { order: 4; }
.op2-brush-guide .op2-brush-guide-science { order: 5; }
.op2-brush-guide .op2-brush-guide-handle { order: 6; }
.op2-brush-guide .op2-brush-guide-faq { order: 7; }
.op2-brush-guide .op2-brush-guide-cta { order: 8; }

/* Hero */
.op2-brush-guide .op2-brush-guide-hero {
    background: linear-gradient(90deg, var(--guide-warm) 0 50%, #fff 50%);
}

.op2-brush-guide .op2-brush-guide-hero-grid {
    min-height: 500px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
    align-items: stretch;
}

.op2-brush-guide .op2-brush-guide-intro {
    padding: clamp(48px, 5vw, 72px) clamp(34px, 5vw, 76px) clamp(48px, 5vw, 72px) 0;
    align-self: center;
}

.op2-brush-guide .op2-brush-guide-intro h1 {
    max-width: 660px;
    margin: 14px 0 0;
    font-size: clamp(40px, 4.3vw, 62px);
    line-height: 1.04;
    letter-spacing: -0.04em;
}

.op2-brush-guide .op2-brush-guide-intro > p {
    max-width: 650px;
    margin: 24px 0 28px;
    font-size: 18px;
    line-height: 1.62;
}

.op2-brush-guide .op2-brush-guide-hero-product {
    min-height: 500px;
    padding: 34px 34px 52px;
    display: grid;
    place-items: center;
    position: relative;
}

.op2-brush-guide .op2-brush-guide-hero-product img {
    width: min(100%, 430px);
    height: 360px;
    object-fit: contain;
}

.op2-brush-guide .op2-brush-guide-hero-product figcaption {
    right: clamp(24px, 4vw, 54px);
    bottom: 32px;
}

/* Short explainer */
.op2-brush-guide .op2-brush-guide-principle {
    width: min(1180px, calc(100% - 48px));
    margin: 24px auto 0;
    padding: 26px 30px;
    border: 1px solid var(--guide-line);
    border-left: 4px solid var(--blue);
    border-radius: 16px;
    display: grid;
    grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.5fr);
    align-items: center;
    gap: 28px;
    background: #f9fbff;
}

.op2-brush-guide .op2-brush-guide-principle > div {
    min-width: 0;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: center;
    gap: 14px;
}

.op2-brush-guide .op2-brush-guide-principle .dashicons {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--blue);
    color: #fff;
    font-size: 21px;
    line-height: 1;
}

.op2-brush-guide .op2-brush-guide-principle h2 {
    margin: 0;
    font-size: clamp(24px, 2.2vw, 32px);
    line-height: 1.12;
}

.op2-brush-guide .op2-brush-guide-principle > p {
    margin: 0;
    font-size: 15px;
    line-height: 1.65;
}

/* Series visual */
.op2-brush-guide .op2-brush-guide-series {
    margin-top: 22px;
    padding: clamp(52px, 6vw, 78px) 0;
    background: #f8fafc;
}

.op2-brush-guide .op2-brush-guide-section-head {
    max-width: 800px;
    margin-bottom: 28px;
}

.op2-brush-guide .op2-brush-guide-section-head h2,
.op2-brush-guide .op2-brush-guide-handle-intro h2,
.op2-brush-guide .op2-brush-guide-cta h2 {
    margin: 10px 0 0;
    font-size: clamp(31px, 3.2vw, 46px);
    line-height: 1.09;
    letter-spacing: -0.035em;
}

.op2-brush-guide .op2-brush-guide-series-visual {
    /* Show the complete bristle diagrams while keeping the embedded
       English caption area outside the crop; localized labels follow below. */
    height: clamp(410px, 42vw, 500px);
    margin: 0;
    border: 1px solid var(--guide-line);
    border-radius: 18px 18px 0 0;
    overflow: hidden;
    background: #fff;
}

.op2-brush-guide .op2-brush-guide-series-visual img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center top;
}

.op2-brush-guide .op2-brush-guide-density-row {
    border: 1px solid var(--guide-line);
    border-top: 0;
    border-radius: 0 0 18px 18px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: hidden;
    background: #fff;
}

.op2-brush-guide .op2-brush-guide-density-row > div {
    min-height: 68px;
    padding: 13px 16px;
    border-right: 1px solid var(--guide-line);
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 7px;
}

.op2-brush-guide .op2-brush-guide-density-row > div:last-child { border-right: 0; }
.op2-brush-guide .op2-brush-guide-density-row strong { color: var(--blue); font-size: 26px; }
.op2-brush-guide .op2-brush-guide-density-row span { color: var(--muted); font-size: 12px; font-weight: 650; }

/* Product comparison */
.op2-brush-guide .op2-brush-guide-compare {
    width: min(1180px, calc(100% - 48px));
    padding: clamp(54px, 6vw, 82px) 0;
}

.op2-brush-guide .op2-brush-model-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.op2-brush-guide .op2-brush-model-card {
    min-height: 390px;
    border: 1px solid var(--guide-line);
    border-radius: 16px;
    display: grid;
    grid-template-columns: minmax(190px, 0.8fr) minmax(0, 1.2fr);
    overflow: hidden;
    background: #fff;
    box-shadow: 0 14px 38px rgba(27, 20, 78, 0.055);
}

.op2-brush-guide .op2-brush-model-image {
    min-height: 100%;
    padding: 22px;
    display: grid;
    place-items: center;
}

.op2-brush-guide .op2-brush-model-card--feather .op2-brush-model-image { background: #fff4f8; }
.op2-brush-guide .op2-brush-model-card--ultra .op2-brush-model-image { background: #eef8fc; }
.op2-brush-guide .op2-brush-model-card--super .op2-brush-model-image { background: #f0faf4; }
.op2-brush-guide .op2-brush-model-card--soft .op2-brush-model-image { background: #fff9ec; }

.op2-brush-guide .op2-brush-model-image img {
    width: 100%;
    height: 245px;
    object-fit: contain;
}

.op2-brush-guide .op2-brush-model-copy {
    min-width: 0;
    min-height: 0;
    padding: 26px;
    display: flex;
    flex-direction: column;
}

.op2-brush-guide .op2-brush-model-count { margin: 0 0 8px; }
.op2-brush-guide .op2-brush-model-count strong { color: var(--blue); font-size: 29px; }
.op2-brush-guide .op2-brush-model-count span { margin-left: 6px; font-size: 12px; }
.op2-brush-guide .op2-brush-model-copy h3 { margin: 0 0 6px; font-size: 21px; line-height: 1.25; }
.op2-brush-guide .op2-brush-model-softness { margin: 0 0 14px; color: #9a5747; font-size: 13px; font-weight: 700; }
.op2-brush-guide .op2-brush-model-diameter { margin: 0 0 14px; padding: 10px 0; border-block: 1px solid var(--guide-line); display: flex; justify-content: space-between; gap: 12px; font-size: 12px; }
.op2-brush-guide .op2-brush-model-copy > p:not([class]) { margin: 0 0 18px; color: var(--muted); font-size: 13px; line-height: 1.58; }
.op2-brush-guide .op2-brush-model-copy .op2-button { width: 100%; min-height: 44px; margin-top: auto; justify-content: center; font-size: 13px; }

/* UltraX science and benefits */
.op2-brush-guide .op2-brush-guide-science {
    width: 100%;
    max-width: none;
    padding: clamp(58px, 6vw, 86px) max(24px, calc((100% - 1180px) / 2));
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
    align-items: center;
    gap: 28px clamp(34px, 5vw, 70px);
    background: var(--guide-pale);
}

.op2-brush-guide .op2-brush-guide-science-copy h2 { margin: 10px 0 0; font-size: clamp(31px, 3.1vw, 44px); line-height: 1.1; }
.op2-brush-guide .op2-brush-guide-science-copy > p { margin: 20px 0 0; font-size: 15px; line-height: 1.68; }
.op2-brush-guide .op2-brush-guide-evidence-note { padding: 15px 17px; border-left: 3px solid #e5bb43; border-radius: 0 10px 10px 0; background: #fff9e8; font-size: 13px !important; }

.op2-brush-guide .op2-brush-guide-science-photo {
    height: 370px;
    margin: 0;
    border-radius: 18px;
    overflow: hidden;
    background: #dceef7;
}

.op2-brush-guide .op2-brush-guide-science-photo img {
    width: 100%;
    height: 124%;
    display: block;
    object-fit: cover;
    object-position: left top;
}

.op2-brush-guide .op2-brush-guide-material-meter {
    grid-column: 1 / -1;
    padding: 22px 24px;
    border: 1px solid var(--guide-line);
    border-radius: 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(220px, 0.7fr);
    gap: 22px;
    background: #fff;
}

.op2-brush-guide .op2-brush-guide-benefit-grid {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.op2-brush-guide .op2-brush-guide-benefit-grid article {
    padding: 20px;
    border: 1px solid var(--guide-line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
}

.op2-brush-guide .op2-brush-guide-benefit-grid .dashicons,
.op2-brush-guide .op2-brush-routine-steps .dashicons {
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--blue);
    color: #fff;
    font-size: 20px;
    line-height: 1;
}

.op2-brush-guide .op2-brush-guide-benefit-grid h3 { margin: 0; font-size: 17px; }
.op2-brush-guide .op2-brush-guide-benefit-grid p { margin: 8px 0 0; font-size: 13px; line-height: 1.58; }

/* Handle and brushing routine */
.op2-brush-guide .op2-brush-guide-handle {
    width: min(1180px, calc(100% - 48px));
    padding: clamp(58px, 6vw, 84px) 0;
    display: grid;
    grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: 34px clamp(38px, 6vw, 78px);
}

.op2-brush-guide .op2-brush-guide-handle-intro > p { margin: 20px 0 0; font-size: 15px; line-height: 1.7; }
.op2-brush-guide .op2-brush-guide-handle-points { border-top: 1px solid var(--guide-line); }
.op2-brush-guide .op2-brush-guide-handle-points article { padding: 18px 0; border-bottom: 1px solid var(--guide-line); display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 16px; }
.op2-brush-guide .op2-brush-guide-handle-points article > span { width: 46px; height: 46px; border: 1px solid var(--guide-line); border-radius: 50%; display: grid; place-items: center; color: var(--blue); font-size: 13px; font-weight: 750; }
.op2-brush-guide .op2-brush-guide-handle-points h3 { margin: 0; font-size: 18px; }
.op2-brush-guide .op2-brush-guide-handle-points p { margin: 7px 0 0; font-size: 13px; line-height: 1.58; }

.op2-brush-guide .op2-brush-guide-routine-inline { grid-column: 1 / -1; margin-top: 4px; padding-top: 28px; border-top: 1px solid var(--guide-line); }
.op2-brush-guide .op2-brush-guide-routine-inline > h3 { margin: 0 0 18px; font-size: 23px; }
.op2-brush-guide .op2-brush-guide-routine-inline .op2-brush-routine-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.op2-brush-guide .op2-brush-guide-routine-inline .op2-brush-routine-steps li { min-height: 0; padding: 18px; border: 1px solid var(--guide-line); border-radius: 14px; background: #fff; }
.op2-brush-guide .op2-brush-routine-steps .dashicons { margin-bottom: 12px; }

/* FAQ and CTA */
.op2-brush-guide .op2-brush-guide-faq { padding: clamp(54px, 6vw, 78px) 0; }
.op2-brush-guide .op2-brush-guide-cta { padding: clamp(38px, 4vw, 52px) 0; }

@media (max-width: 980px) {
    .op2-brush-guide .op2-brush-guide-hero { background: var(--guide-warm); }
    .op2-brush-guide .op2-brush-guide-hero-grid,
    .op2-brush-guide .op2-brush-guide-science,
    .op2-brush-guide .op2-brush-guide-handle { grid-template-columns: 1fr; }
    .op2-brush-guide .op2-brush-guide-intro { padding-right: 0; }
    .op2-brush-guide .op2-brush-guide-hero-product { background: #fff; }
    .op2-brush-guide .op2-brush-guide-principle { grid-template-columns: 1fr; gap: 14px; }
    .op2-brush-guide .op2-brush-model-grid { grid-template-columns: 1fr; }
    .op2-brush-guide .op2-brush-guide-science-photo { height: 430px; }
    .op2-brush-guide .op2-brush-guide-material-meter { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .op2-brush-guide .op2-brush-guide-material-meter > p { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
    .op2-brush-guide .op2-brush-guide-hero-grid { min-height: 0; }
    .op2-brush-guide .op2-brush-guide-intro { padding: 34px 20px 30px; }
    .op2-brush-guide .op2-brush-guide-intro h1 { font-size: 36px; }
    .op2-brush-guide .op2-brush-guide-intro > p { margin: 18px 0 22px; font-size: 15px; }
    .op2-brush-guide .op2-brush-guide-hero-actions { align-items: stretch; flex-direction: column; }
    .op2-brush-guide .op2-brush-guide-hero-actions .op2-button { width: 100%; justify-content: center; }
    .op2-brush-guide .op2-brush-guide-hero-product { min-height: 300px; padding: 18px 18px 48px; }
    .op2-brush-guide .op2-brush-guide-hero-product img { height: 245px; }

    .op2-brush-guide .op2-brush-guide-principle,
    .op2-brush-guide .op2-brush-guide-compare,
    .op2-brush-guide .op2-brush-guide-handle { width: calc(100% - 36px); }
    .op2-brush-guide .op2-brush-guide-principle { padding: 19px; }
    .op2-brush-guide .op2-brush-guide-principle > div { grid-template-columns: 36px minmax(0, 1fr); gap: 11px; }
    .op2-brush-guide .op2-brush-guide-principle .dashicons { width: 36px; height: 36px; font-size: 18px; }
    .op2-brush-guide .op2-brush-guide-principle h2 { font-size: 22px; }

    .op2-brush-guide .op2-brush-guide-series { padding: 42px 0; }
    .op2-brush-guide .op2-brush-guide-series > .op2-container { width: calc(100% - 36px); }
    .op2-brush-guide .op2-brush-guide-section-head h2,
    .op2-brush-guide .op2-brush-guide-handle-intro h2,
    .op2-brush-guide .op2-brush-guide-cta h2 { font-size: 29px; }
    .op2-brush-guide .op2-brush-guide-series-visual { height: 155px; border-radius: 13px 13px 0 0; }
    .op2-brush-guide .op2-brush-guide-density-row { grid-template-columns: repeat(2, minmax(0, 1fr)); border-radius: 0 0 13px 13px; }
    .op2-brush-guide .op2-brush-guide-density-row > div { min-height: 58px; padding: 10px 8px; border-bottom: 1px solid var(--guide-line); }
    .op2-brush-guide .op2-brush-guide-density-row > div:nth-child(2) { border-right: 0; }
    .op2-brush-guide .op2-brush-guide-density-row > div:nth-child(n+3) { border-bottom: 0; }
    .op2-brush-guide .op2-brush-guide-density-row strong { font-size: 22px; }

    .op2-brush-guide .op2-brush-guide-compare { padding: 44px 0; }
    .op2-brush-guide .op2-brush-model-card { min-height: 0; grid-template-columns: 1fr; }
    .op2-brush-guide .op2-brush-model-image { min-height: 190px; padding: 14px; }
    .op2-brush-guide .op2-brush-model-image img { height: 185px; }
    .op2-brush-guide .op2-brush-model-copy { padding: 19px; }

    .op2-brush-guide .op2-brush-guide-science { padding: 46px 18px; gap: 22px; }
    .op2-brush-guide .op2-brush-guide-science-copy h2 { font-size: 29px; }
    .op2-brush-guide .op2-brush-guide-science-photo { height: 260px; }
    .op2-brush-guide .op2-brush-guide-material-meter { padding: 18px; grid-template-columns: 1fr; }
    .op2-brush-guide .op2-brush-guide-material-meter > p { grid-column: auto; }
    .op2-brush-guide .op2-brush-guide-benefit-grid { grid-template-columns: 1fr; }

    .op2-brush-guide .op2-brush-guide-handle { padding: 46px 0; gap: 22px; }
    .op2-brush-guide .op2-brush-guide-routine-inline .op2-brush-routine-steps { grid-template-columns: 1fr; }
    .op2-brush-guide .op2-brush-guide-faq { padding: 44px 0; }
    .op2-brush-guide .op2-brush-guide-cta { padding: 34px 0; }
}

/* Keep the embedded English/model caption strip outside the desktop crop.
   The four localized counts remain in the existing HTML row below. */
@media (min-width: 641px) {
    .op2-brush-guide .op2-brush-guide-series-visual {
        position: relative;
        height: auto;
        aspect-ratio: 120 / 49;
    }

    .op2-brush-guide .op2-brush-guide-series-visual img {
        position: absolute;
        inset: 0;
    }
}

/* Approved option B: only the three guide-benefit icons. */
.op2-brush-guide-benefit-grid .pesitro-benefit-icon {
    display: block;
    width: 64px;
    height: 64px;
    flex: 0 0 64px;
    margin: 0 0 20px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}