.water-purification-page {
    --page-width: 1200px;
    --text-color: #263238;
    --heading-color: #173e35;
    --link-color: #216747;
    --section-background: #f3f7f4;

    width: 100%;
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.75;
}

.water-purification-page,
.water-purification-page *,
.water-purification-page *::before,
.water-purification-page *::after {
    box-sizing: border-box;
}

/* Introductory and lower content */
.water-purification-page > .text-block {
    width: 100%;
    max-width: var(--page-width);
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 2.5rem);
}

/* Headings */
.water-purification-page h1,
.water-purification-page h2,
.water-purification-page h3 {
    color: var(--heading-color);
    font-family: inherit;
    font-weight: 700;
    line-height: 1.2;
    overflow-wrap: break-word;
}

.water-purification-page h1 {
    margin: 0 0 1.5rem;
    font-size: clamp(2rem, 4vw, 3.25rem);
}

.water-purification-page h2 {
    margin: 0 0 1.25rem;
    font-size: clamp(1.75rem, 3vw, 2.6rem);
}

.water-purification-page h3 {
    margin: 2rem 0 1rem;
    font-size: clamp(1.3rem, 2vw, 1.75rem);
}

.water-purification-page > .text-block > h3:first-child {
    margin-top: 0;
}

/* Paragraphs */
.water-purification-page p {
    margin: 0 0 1.25rem;
    font-size: inherit;
    line-height: inherit;
    overflow-wrap: break-word;
}

.water-purification-page p:last-child {
    margin-bottom: 0;
}

.water-purification-page strong {
    font-weight: 700;
}

/* Links */
.water-purification-page a {
    color: var(--link-color);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.water-purification-page a:hover {
    text-decoration-thickness: 2px;
}

.water-purification-page a:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 4px;
}

/* Full-width solution section */
.water-purification-page .water-purification-section {
    margin: 0;
    padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 2.5rem);
    background-color: var(--section-background);
}

/* Two-column layout */
.water-purification-page .water-purification-content {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(1.5rem, 4vw, 4rem);
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
}

.water-purification-page .water-purification-text,
.water-purification-page .water-purification-image {
    min-width: 0;
}

/* Image: scales without cropping or distortion */
.water-purification-page .water-purification-image img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 0;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgb(0 0 0 / 12%);
}

/* Tablets and mobile */
@media (max-width: 800px) {
    .water-purification-page .water-purification-content {
        grid-template-columns: minmax(0, 1fr);
        gap: 2rem;
    }

    .water-purification-page .water-purification-image {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
    }
}

/* Small mobile screens */
@media (max-width: 480px) {
    .water-purification-page {
        line-height: 1.65;
    }

    .water-purification-page h1 {
        font-size: 2rem;
    }

    .water-purification-page .water-purification-image img {
        border-radius: 8px;
    }
}