@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Source+Serif+4:ital,opsz,wght@0,8..60,200..900;1,8..60,200..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Merriweather:ital,opsz,wght@0,18..144,300..900;1,18..144,300..900&family=Source+Serif+4:ital,opsz,wght@0,8..60,200..900;1,8..60,200..900&display=swap');

.ch-story-block {
    width: 100%;
    padding: 4em 0em;
}
            
.ch-story-year {
    display: inline-block;
    background-color: #FFFF00;
    color: #1C1917;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1em;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
}
            
.ch-story-title {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    color: #1C1917;
    line-height: 1.15;
    font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
    margin: 0em 0em 1em 0em;
}
            
.ch-story-desc {
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    color: #1C1917;
    font-size: clamp(1rem, 0.95rem + 0.2vw, 1.1rem);
    line-height: 1.7;
    margin: 0;
}
            
.ch-founder-block {
    display: flex;
    align-items: center;
    gap: 3em;
    width: 100%;
    padding: 4em 0em;
}
            
.ch-founder-image {
    flex: 0 0 auto;
    width: 320px;
}
            
.ch-founder-block--reverse {
    flex-direction: row-reverse;
}
            
.ch-founder-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
.ch-founder-content {
    flex: 1 1 auto;
}
            
@media (max-width: 767px) {
    .ch-founder-block {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5em;
    }

    .ch-founder-image {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
}
            
.ch-milestone-block {
    width: 100%;
    padding: 4em 0em;
}
            
.ch-milestone-title {
    text-align: center;
    margin-bottom: 1.5em;
}
            
.ch-milestone-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5em;
}
            
@media (max-width: 767px) {
    .ch-milestone-grid {
        grid-template-columns: 1fr;
        gap: 1.5em;
    }
}
            
            
.ch-expansion-block {
    width: 100%;
    padding: 4em 0em 9em 0em;
}
            
/* Row 1: text + image */
.ch-expansion-row-top {
    margin-bottom: 4em;
}
            
.ch-expansion-text {
    flex: 1 1 45%;
}
            
.ch-expansion-image {
    flex: 1 1 55%;
}
            
.ch-expansion-image img,
.ch-expansion-image-wide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
/* Row 2: wide image with overlapping card */
.ch-expansion-row-bottom {
    position: relative;
}
            
.ch-expansion-image-wide {
    width: 85%;
}
            
.ch-expansion-card {
    position: absolute;
    right: 0;
    bottom: -2.5em;
    width: 45%;
    background-color: #ffffff;
    border-radius: 16px;
    padding: 2em;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
}
            
/* Mobile: stack everything, drop the overlap */
@media (max-width: 767px) {
    .ch-expansion-row-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5em;
        margin-bottom: 2em;
    }
            
    .ch-expansion-image-wide {
        width: 100%;
    }
            
    .ch-expansion-card {
        position: static;
        width: 100%;
        margin-top: 1.5em;
        box-shadow: rgba(9, 30, 66, 0.15) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    }
}
            
.ch-expansion-title {
    margin-bottom: 1em;
}
            
.ch-expansion-columns {
    display: flex;
    align-items: flex-start;
    gap: 3em;
}
            
.ch-expansion-columns .ch-expansion-text {
    flex: 1 1 45%;
}
            
.ch-expansion-columns .ch-expansion-image {
    flex: 1 1 55%;
}
            
@media (max-width: 767px) {
    .ch-expansion-columns {
        flex-direction: column;
        gap: 1.5em;
    }
}
            
            
.ch-pipes-block {
    width: 100%;
    padding: 4em 0em;
}
            
/* Zone A */
.ch-pipes-top {
    display: flex;
    align-items: flex-start;
    gap: 3em;
    margin-bottom: 3em;
}
            
.ch-pipes-portrait {
    flex: 0 0 auto;
    width: 320px;
}
            
.ch-pipes-portrait img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
.ch-pipes-intro {
    flex: 1 1 auto;
}
            
.ch-pipes-intro .ch-story-year {
    margin-bottom: 0.75em;
}
            
.ch-pipes-intro .ch-story-title {
    margin-bottom: 1em;
}
            
/* Zone B */
.ch-pipes-media {
    position: relative;
    margin-bottom: 3em;
}
            
.ch-pipes-media-images img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
    margin-bottom: 1em;
}
            
.ch-pipes-media-card {
    position: absolute;
    top: -2.5em;
    right: 0;
    width: 55%;
    background-color: #ffffff;
    border-radius: 16px;
    padding: 2em;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 8px 16px -4px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
}
            
/* Zone C */
.ch-pipes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5em;
}
            
.ch-pipes-product-image {
    margin-top: 1.25em;
}
            
.ch-pipes-product-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
/* Mobile */
@media (max-width: 767px) {
    .ch-pipes-top {
        flex-direction: column;
        gap: 1.5em;
    }
            
    .ch-pipes-portrait {
        width: 100%;
        max-width: 320px;
    }
            
    .ch-pipes-media-card {
        position: static;
        width: 100%;
        margin-top: 1em;
    }
            
    .ch-pipes-grid {
        grid-template-columns: 1fr;
        gap: 1.5em;
    }
}
            
.ch-quality-safety-block {
    width: 100%;
    padding: 4em 0em;
}
            
.ch-listing-block {
    width: 100%;
    padding: 4em 0em;
}
            
.ch-listing-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2.5em auto;
}
            
.ch-listing-header .ch-story-year {
    margin-bottom: 1em;
}
            
.ch-listing-title {
    margin-bottom: 1em;
}
            
.ch-listing-intro {
    margin: 0 auto;
}
            
.ch-listing-image {
    margin-bottom: 2.5em;
}
            
.ch-listing-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
.ch-listing-body {
    max-width: 900px;
    margin: 0 auto 2.5em auto;
    text-align: center;
}
            
.ch-listing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2em;
}
            
.ch-listing-product-image {
    height: 500px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
.ch-listing-product-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: 0;
    box-shadow: none;
    background-color: transparent;
}
            
@media (max-width: 767px) {
    .ch-listing-grid {
        grid-template-columns: 1fr;
    }
}
            
            
.ch-growth-block {
    width: 100%;
    padding: 4em 0em;
}
            
/* Zone A */
.ch-growth-top {
    display: flex;
    align-items: flex-start;
    gap: 3em;
    margin-bottom: 3em;
}
            
.ch-growth-intro {
    flex: 1 1 45%;
}
            
.ch-growth-top-image {
    flex: 1 1 50%;
}
            
.ch-growth-top-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
/* Zone B / D shared */
.ch-growth-body {
    width: 100%;
    margin-bottom: 3em;
}
            
/* Zone C: asymmetric gallery */
.ch-growth-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1.5em;
    margin-bottom: 3em;
}
            
.ch-growth-gallery-top-left {
    grid-column: 1;
    grid-row: 1;
}
            
.ch-growth-gallery-bottom-left {
    grid-column: 1;
    grid-row: 2;
}
            
.ch-growth-gallery-right {
    grid-column: 2;
    grid-row: 1 / 3;
}
            
.ch-growth-gallery-item img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
/* Mobile */
@media (max-width: 767px) {
    .ch-growth-top {
        flex-direction: column;
        gap: 1.5em;
    }
            
    .ch-growth-gallery {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
            
    .ch-growth-gallery-top-left,
    .ch-growth-gallery-bottom-left,
    .ch-growth-gallery-right {
        grid-column: 1;
        grid-row: auto;
    }
}
            
.ch-legacy-block {
    width: 100%;
    padding: 4em 0em;
}
            
.ch-legacy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5em;
    margin-bottom: 3em;
}
            
.ch-legacy-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: rgba(9, 30, 66, 0.25) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    background-color: #F5F5F4;
}
            
.ch-legacy-caption {
    margin-top: 1.25em;
}
            
@media (max-width: 767px) {
    .ch-legacy-grid {
        grid-template-columns: 1fr;
        gap: 1.5em;
    }
}
            
.ch-end-block {
    width: 100%;
    padding: 0em 0em 6em 0em;
}
            
            
.bttp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: #ffffff;
    border: 1px solid #D6D3D1;
    border-radius: 12px;
    color: #1C1917;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: rgba(9, 30, 66, 0.15) 0px 4px 8px -2px, rgba(9, 30, 66, 0.08) 0px 0px 0px 1px;
    margin: 0 auto;
}
            
.bttp-btn:hover {
    background-color: #FAFAF9;
    border-color: #A8A29E;
}