/* ===== About Lvpai Packaging redesign ===== */
.about-redesign {
    --about-ink: #17352A;
    --about-muted: #66766F;
    --about-soft: #EEF6F1;
    --about-line: rgba(20, 156, 92, 0.16);
    background: #FFFFFF;
}
.about-page-header {
    padding: clamp(56px, 7vw, 96px) 0 clamp(32px, 4vw, 56px);
    background: radial-gradient(circle at 12% 12%, rgba(20, 156, 92, 0.10), transparent 32%), linear-gradient(135deg, #F7FBF8 0%, #FFFFFF 58%, #EEF6F1 100%);
}

.about-page-header h1 {
    margin: 8px 0 0;
    color: var(--about-ink);
    font-size: clamp(2.4rem, 5.5vw, 5rem);
    font-weight: 800;
    line-height: 0.96;
    letter-spacing: -0.055em;
}


.about-redesign__hero {
    position: relative;
    overflow: hidden;
    padding: clamp(72px, 9vw, 128px) 0 clamp(56px, 7vw, 96px);
    background: radial-gradient(circle at 12% 12%, rgba(20, 156, 92, 0.14), transparent 32%), linear-gradient(135deg, #F7FBF8 0%, #FFFFFF 58%, #EEF6F1 100%);
}

.about-redesign__hero::after {
    content: "";
    position: absolute;
    inset: auto -12% -42% 48%;
    height: 420px;
    border-radius: 999px;
    background: rgba(212, 168, 83, 0.12);
    transform: rotate(-8deg);
}

.about-redesign__hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.72fr);
    gap: clamp(36px, 6vw, 76px);
    align-items: center;
}

.about-redesign__eyebrow,
.about-detail-panel__label {
    display: inline-flex;
    margin-bottom: 16px;
    color: var(--color-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.about-redesign__hero h1 {
    max-width: 760px;
    margin: 0 0 28px;
    color: var(--about-ink);
    font-size: clamp(2.5rem, 6.2vw, 5.75rem);
    font-weight: 800;
    line-height: 0.96;
    letter-spacing: -0.06em;
}

.about-redesign__intro {
    display: grid;
    gap: 18px;
    max-width: 760px;
    color: var(--about-muted);
    font-size: clamp(1rem, 1.3vw, 1.12rem);
    line-height: 1.82;
}

.about-redesign__hero-media,
.about-detail-panel__media,
.about-certificate-card {
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.about-redesign__hero-media {
    position: relative;
    display: block;
    min-height: 480px;
    overflow: hidden;
    border: 1px solid var(--about-line);
    border-radius: 32px;
    box-shadow: 0 28px 70px rgba(23, 53, 42, 0.16);
}

.about-redesign__hero-media img,
.about-detail-panel__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-redesign__hero-media span {
    position: absolute;
    right: 22px;
    bottom: 22px;
    padding: 12px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--about-ink);
    font-weight: 800;
    box-shadow: var(--shadow-md);
}

.about-redesign__hero-media:hover,
.about-detail-panel__media:hover,
.about-certificate-card:hover {
    transform: translateY(-4px);
}

.about-section-index {
    padding: clamp(56px, 7vw, 96px) 0;
    background: #FFFFFF;
}

/* ---- About index: alternating left/right rows ---- */
.about-section-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
    padding: clamp(48px, 6vw, 80px) 0;
    border-bottom: 1px solid var(--about-line);
    text-decoration: none;
    color: inherit;
    transition: background 0.22s ease;
}

.about-section-row:last-child {
    border-bottom: none;
}

.about-section-row:hover {
    background: var(--about-soft);
    border-radius: 24px;
}

.about-section-row--reverse .about-section-row__media {
    order: 2;
}

.about-section-row__media {
    position: relative;
    height: clamp(280px, 36vw, 480px);
    overflow: hidden;
    border: 1px solid var(--about-line);
    border-radius: 28px;
    background: var(--about-soft);
    box-shadow: 0 20px 56px rgba(23, 53, 42, 0.11);
    transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.about-section-row:hover .about-section-row__media {
    transform: translateY(-4px);
    box-shadow: 0 28px 70px rgba(23, 53, 42, 0.17);
}

.about-section-row__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-section-row__content {
    display: grid;
    gap: 16px;
    align-content: center;
}

.about-section-row__label {
    display: inline-flex;
    color: var(--color-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.about-section-row__content h2 {
    margin: 0;
    color: var(--about-ink);
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 800;
    line-height: 1.06;
    letter-spacing: -0.04em;
}

.about-section-row__content p {
    color: var(--about-muted);
    font-size: clamp(0.96rem, 1.2vw, 1.08rem);
    line-height: 1.78;
    max-width: 480px;
}

.about-section-row__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    color: var(--color-primary);
    font-size: 0.94rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    transition: gap 0.2s ease;
}

.about-section-row:hover .about-section-row__cta {
    gap: 10px;
}

/* keep h2 rule for certifications header and detail panels */
.about-certifications__header h2,
.about-detail-panel__content h2 {
    margin: 0;
    color: var(--about-ink);
    font-size: clamp(1.55rem, 3vw, 2.6rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.about-detail-panel {
    padding: clamp(72px, 8vw, 112px) 0;
    background: #FFFFFF;
}

.about-detail-panel--green,
.about-detail-panel--quality {
    background: linear-gradient(180deg, #F7FBF8 0%, #FFFFFF 100%);
}

.about-detail-panel__grid {
    display: grid;
    grid-template-columns: minmax(360px, 0.86fr) minmax(0, 1fr);
    gap: clamp(34px, 5.8vw, 76px);
    align-items: center;
}

.about-detail-panel--reverse .about-detail-panel__media {
    order: 2;
}

.about-detail-panel__media {
    display: block;
    height: min(58vw, 560px);
    min-height: 420px;
    overflow: hidden;
    border: 1px solid var(--about-line);
    border-radius: 32px;
    background: var(--about-soft);
    box-shadow: 0 24px 64px rgba(23, 53, 42, 0.13);
}

.about-detail-panel__media[aria-current="page"] {
    pointer-events: none;
}

.about-detail-panel__content {
    color: var(--about-muted);
    font-size: 1rem;
    line-height: 1.82;
}

.about-detail-panel__content > p + p {
    margin-top: 16px;
}

.about-advantage-list {
    display: grid;
    gap: 16px;
    margin-top: 28px;
}

.about-advantage-list article,
.about-quality-grid article {
    border: 1px solid var(--about-line);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 14px 34px rgba(23, 53, 42, 0.06);
}

.about-advantage-list article {
    padding: 24px;
}

.about-advantage-list h3,
.about-quality-grid h3,
.about-certificate-card h3 {
    margin: 0 0 10px;
    color: var(--about-ink);
    font-size: 1.08rem;
    line-height: 1.32;
}

.about-quality-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin-top: 54px;
}

.about-quality-grid article {
    padding: 28px;
    color: var(--about-muted);
    line-height: 1.72;
}

.about-quality-grid p + p,
.about-quality-grid ul + p,
.about-quality-grid p + ul {
    margin-top: 12px;
}

.about-quality-grid ul {
    display: grid;
    gap: 8px;
    padding-left: 0;
    list-style: none;
}

.about-quality-grid li {
    position: relative;
    padding-left: 18px;
    color: var(--about-ink);
    font-weight: 700;
}

.about-quality-grid li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.74em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-primary);
}

.about-certifications {
    padding: clamp(72px, 8vw, 112px) 0;
    background: #F7FBF8;
}

.about-certifications__header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 36px;
}

.about-certifications__header p {
    max-width: 420px;
    color: var(--about-muted);
    line-height: 1.7;
}

.about-certifications__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.about-certificate-card {
    display: grid;
    gap: 14px;
    padding: 16px 16px 22px;
    border: 1px solid var(--about-line);
    border-radius: 24px;
    background: #FFFFFF;
    box-shadow: 0 16px 42px rgba(23, 53, 42, 0.09);
}

.about-certificate-card:hover {
    border-color: rgba(20, 156, 92, 0.34);
    box-shadow: 0 24px 56px rgba(23, 53, 42, 0.14);
}

.about-certificate-card img {
    width: 100%;
    aspect-ratio: 1 / 1.33;
    object-fit: cover;
    object-position: top center;
    border: 1px solid #E9EFEA;
    border-radius: 16px;
    background: #FFFFFF;
}

.about-certificate-card span {
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 800;
}

.about-certificate-card span,
.about-certificate-card h3 {
    margin-right: 6px;
    margin-left: 6px;
}

.about-certificate-stack {
    position: relative;
    height: 100%;
    min-height: 250px;
    padding: 26px 48px;
}

.about-certificate-stack img {
    position: absolute;
    top: 26px;
    left: 50%;
    width: 42%;
    height: auto;
    border: 1px solid #E4EAE5;
    border-radius: 10px;
    background: #FFFFFF;
    box-shadow: 0 16px 34px rgba(23, 53, 42, 0.14);
    transform: translateX(-50%) rotate(0deg);
}

.about-certificate-stack img:nth-child(1) {
    left: 34%;
    transform: translateX(-50%) rotate(-8deg);
}

.about-certificate-stack img:nth-child(2) {
    z-index: 2;
}

.about-certificate-stack img:nth-child(3) {
    left: 66%;
    transform: translateX(-50%) rotate(8deg);
}

@media (max-width: 1180px) {
    .about-certifications__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .about-redesign__hero-grid,
    .about-detail-panel__grid,
    .about-quality-grid {
        grid-template-columns: 1fr;
    }

    .about-detail-panel--reverse .about-detail-panel__media {
        order: 0;
    }

    .about-redesign__hero-media,
    .about-detail-panel__media {
        min-height: 320px;
        height: 420px;
    }

    .about-certifications__header {
        display: block;
    }

    .about-certifications__header p {
        margin-top: 14px;
    }
}

@media (max-width: 768px) {
    .about-section-row {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: clamp(36px, 5vw, 56px) 0;
    }

    .about-section-row--reverse .about-section-row__media {
        order: 0;
    }

    .about-section-row__media {
        height: clamp(220px, 52vw, 360px);
    }

    .about-section-row__content p {
        max-width: none;
    }
}

@media (max-width: 640px) {
    .about-redesign__hero,
    .about-section-index,
    .about-detail-panel,
    .about-certifications {
        padding: 48px 0;
    }

    .about-certifications__grid {
        grid-template-columns: 1fr;
    }

    .about-redesign__hero-media,
    .about-detail-panel__media {
        min-height: 260px;
        height: 320px;
        border-radius: 24px;
    }

    .about-advantage-list article,
    .about-quality-grid article {
        padding: 22px;
    }
}