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

html[lang="es"] .hero h1,
html[lang="pt-BR"] .hero h1 {
    max-width: 860px;
    font-size: clamp(38px, 5.2vw, 68px);
}

html[lang="zh-CN"] .hero h1 {
    font-size: clamp(40px, 5.8vw, 74px);
}

html[lang="es"] .hero h1,
html[lang="pt-BR"] .hero h1 {
    max-width: 860px;
    font-size: clamp(38px, 5.2vw, 68px);
}

html[lang="zh-CN"] .hero h1 {
    font-size: clamp(40px, 5.8vw, 74px);
}

.btn-dark:hover {
    background: #10344f;
}

.btn-whatsapp {
    background: #20b76a;
    color: #fff;
    box-shadow: 0 10px 30px rgba(32, 183, 106, .2);
}

.btn-whatsapp:hover {
    background: #149657;
}

.trust-strip {
    position: relative;
    z-index: 3;
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.trust-strip-grid {
    display: grid;
    grid-template-columns: .9fr 1.35fr .9fr;
}

.trust-strip-grid > div {
    min-height: 170px;
    padding: 30px 32px;
    border-right: 1px solid var(--line);
}

.trust-strip-grid > div:first-child {
    border-left: 1px solid var(--line);
}

.trust-strip-grid span,
.trust-strip-grid strong {
    display: block;
}

.trust-strip-grid span {
    margin-bottom: 9px;
    color: #0085a4;
    font-size: 10px;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: .14em;
}

.trust-strip-grid strong {
    font-size: 17px;
    line-height: 1.35;
}

.trust-strip-grid p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.manufacturing-preview,
.factory-proof {
    background: #f2f7f9;
}

.manufacturing-preview-grid {
    display: grid;
    grid-template-columns: .88fr 1.12fr;
    gap: 72px;
    align-items: center;
}

.manufacturing-copy h2,
.relationship-copy h2,
.certification-grid h2 {
    margin: 0;
    font-size: clamp(36px, 4.4vw, 58px);
    line-height: 1.06;
    letter-spacing: -.04em;
}

.manufacturing-copy > p:not(.eyebrow),
.relationship-copy > p:not(.eyebrow),
.certification-grid > div > p:not(.eyebrow) {
    color: var(--muted);
    font-size: 16px;
}

.manufacturing-points {
    margin: 28px 0 32px;
    border-top: 1px solid var(--line);
}

.manufacturing-points > div {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: 22px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.manufacturing-points strong {
    font-size: 14px;
}

.manufacturing-points span {
    color: var(--muted);
    font-size: 13px;
}

.manufacturing-collage {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 14px;
    align-items: end;
}

.manufacturing-collage figure,
.factory-gallery figure {
    position: relative;
    margin: 0;
    overflow: hidden;
    border-radius: 16px;
    background: #dce7ed;
}

.manufacturing-collage figure {
    box-shadow: var(--shadow);
}

.manufacturing-collage-main {
    transform: translateY(-26px);
}

.manufacturing-collage img {
    width: 100%;
    height: 390px;
    object-fit: cover;
}

.manufacturing-collage-main img {
    height: 540px;
}

.manufacturing-collage figcaption,
.factory-gallery figcaption {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 34px 18px 16px;
    background: linear-gradient(transparent, rgba(3, 17, 29, .86));
    color: #fff;
    font-size: 11px;
}

.relationship-grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 72px;
    align-items: center;
}

.relationship-image {
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.relationship-image img {
    width: 100%;
    min-height: 560px;
    object-fit: cover;
}

.role-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 28px;
}

.role-grid > div {
    padding: 19px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--mist);
}

.role-grid span,
.role-grid b {
    display: block;
}

.role-grid span {
    margin-bottom: 8px;
    color: #0085a4;
    font-size: 11px;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.role-grid b {
    font-size: 13px;
}

.factory-gallery {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    grid-template-rows: repeat(2, 280px);
    gap: 16px;
}

.factory-gallery figure.wide {
    grid-row: 1 / 3;
}

.factory-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.manufacturing-process {
    background: #fff;
}

.certification-section {
    background: #eaf3f6;
}

.certification-grid {
    display: grid;
    grid-template-columns: 1fr .72fr;
    gap: 80px;
    align-items: center;
}

.certificate-mark {
    display: flex;
    min-height: 400px;
    padding: 50px;
    flex-direction: column;
    justify-content: center;
    border: 1px solid #9bc9d6;
    border-radius: 20px;
    background: linear-gradient(145deg, #fff, #ddecf1);
    box-shadow: var(--shadow);
    text-align: center;
}

.certificate-mark span {
    color: #0085a4;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: .2em;
}

.certificate-mark strong {
    display: block;
    color: var(--navy);
    font-size: 100px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: -.08em;
}

.certificate-mark small {
    margin-top: 22px;
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .1em;
}

.page-cta-actions,
.product-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px;
    flex-shrink: 0;
}

.product-detail-copy .actions {
    gap: 11px;
}

.product-detail-copy .btn {
    min-height: 47px;
    padding-inline: 18px;
}

.whatsapp-float {
    position: fixed;
    z-index: 90;
    right: 22px;
    bottom: 22px;
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 15px 9px 9px;
    border-radius: 999px;
    background: #20b76a;
    color: #fff;
    box-shadow: 0 14px 40px rgba(0, 0, 0, .24);
    font-size: 13px;
}

.whatsapp-float span {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: 50%;
    font-size: 10px;
    font-weight: 900;
}

.whatsapp-float b {
    font-size: 12px;
}

.whatsapp-float:hover {
    background: #149657;
}

@media (max-width: 1020px) {
    .trust-strip-grid {
        grid-template-columns: 1fr;
    }

    .trust-strip-grid > div,
    .trust-strip-grid > div:first-child {
        min-height: 0;
        border-left: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
    }

    .manufacturing-preview-grid,
    .relationship-grid,
    .certification-grid {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .manufacturing-collage-main {
        transform: none;
    }

    .relationship-image img {
        min-height: 420px;
    }

    .factory-gallery {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }

    .factory-gallery figure.wide {
        grid-row: auto;
    }

    .factory-gallery figure {
        height: 360px;
    }
}

@media (max-width: 700px) {
    .page-intro h1 {
        font-size: 36px;
        line-height: 1.08;
    }

    .trust-strip-grid > div {
        padding: 22px;
    }

    .manufacturing-preview-grid {
        gap: 40px;
    }

    .manufacturing-collage {
        grid-template-columns: 1fr;
    }

    .manufacturing-collage img,
    .manufacturing-collage-main img {
        height: 330px;
    }

    .manufacturing-points > div {
        grid-template-columns: 1fr;
        gap: 5px;
    }

    .relationship-image img {
        min-height: 320px;
    }

    .role-grid {
        grid-template-columns: 1fr;
    }

    .factory-gallery figure {
        height: 300px;
    }

    .certificate-mark {
        min-height: 280px;
        padding: 32px;
    }

    .certificate-mark strong {
        font-size: 78px;
    }

    .page-cta-actions,
    .product-cta-actions {
        width: 100%;
        justify-content: stretch;
    }

    .page-cta-actions .btn,
    .product-cta-actions .btn {
        width: 100%;
    }

    .whatsapp-float {
        right: 14px;
        bottom: 14px;
        padding-right: 9px;
    }

    .whatsapp-float b {
        display: none;
    }
}