:root {
    --primary: #0f5f87;
    --primary-hover: #0b4f72;
    --primary-dark: #173245;
    --navy: #173245;
    --deep-navy: #0f2535;
    --accent: #687887;
    --light-blue: #eef4f7;
    --pale-blue: #f7f9fa;
    --section-bg: #f7f8f8;
    --white: #ffffff;
    --border: #dfe5e8;
    --border-strong: #c4cdd2;
    --text-main: #18303f;
    --text-body: #3d4b55;
    --text-muted: #6d7880;
    --success: #16834b;
    --error: #c83939;
    --container-width: 1820px;
    --wide-width: 2200px;
    --card-radius: 4px;
    --shadow-soft: 0 8px 20px rgba(18, 41, 55, 0.04);
    --shadow-card: 0 12px 28px rgba(18, 41, 55, 0.08);
    --focus-ring: 0 0 0 3px rgba(15, 95, 135, 0.18);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    overflow-x: hidden;
    color: var(--text-body);
    background: var(--white);
    font-family: Arial, "Helvetica Neue", Inter, sans-serif;
    font-size: 16px;
    line-height: 1.58;
    overflow-wrap: anywhere;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

svg {
    display: block;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

.container {
    width: min(100% - 56px, var(--container-width));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 10000;
    padding: 10px 14px;
    color: var(--white);
    background: var(--primary);
    border-radius: 6px;
    transform: translateY(-140%);
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 850;
    line-height: 1.2;
    text-align: center;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.button--primary {
    color: var(--white);
    background: var(--primary);
    border-color: var(--primary);
}

.button--primary:hover,
.button--primary:focus-visible {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.button--outline {
    color: var(--primary);
    background: var(--white);
    border-color: var(--primary);
}

.button--outline:hover,
.button--outline:focus-visible {
    color: var(--white);
    background: var(--primary);
}

.button--light {
    color: var(--primary);
    background: var(--white);
    border-color: var(--white);
}

.button--light:hover,
.button--light:focus-visible {
    color: var(--white);
    background: transparent;
    border-color: var(--white);
}

.button:active,
.solution-challenge-card:active,
.recommended-product-card:active,
.process-direction-card:active {
    transform: translateY(1px);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.image-placeholder {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    background:
        radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.9), transparent 18%),
        radial-gradient(circle at 74% 30%, rgba(7, 84, 184, 0.13), transparent 25%),
        linear-gradient(135deg, #f8fbff 0%, #e8f2fd 48%, #d7e7f5 100%);
}

.image-placeholder::before,
.image-placeholder::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.image-placeholder::before {
    inset: 0;
    background-image:
        linear-gradient(rgba(7, 84, 184, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(7, 84, 184, 0.08) 1px, transparent 1px);
    background-size: 42px 42px;
    opacity: 0.25;
}

.image-placeholder::after {
    right: -58px;
    bottom: -66px;
    width: 170px;
    height: 170px;
    border-radius: 50%;
    background: rgba(7, 84, 184, 0.12);
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-actions .button {
    min-width: 220px;
}
.section-title {
    margin: 0 0 28px;
    color: var(--text-main);
    font-size: 26px;
    line-height: 1.22;
    font-weight: 760;
    letter-spacing: 0;
}

.solution-service-benefits {
    background: var(--section-bg);
    border-block: 1px solid var(--border);
}

.capability-panel {
    display: grid;
    grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.42fr) auto;
    gap: 34px;
    align-items: start;
    padding-top: 34px;
    padding-bottom: 34px;
}

.capability-panel__header .section-title {
    margin-bottom: 0;
    font-size: 28px;
}

.section-eyebrow {
    display: block;
    margin-bottom: 10px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.2;
    font-weight: 760;
    letter-spacing: 0;
    text-transform: uppercase;
}

.capability-list,
.benefits-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    background: transparent;
}

.capability-list li,
.benefit-item {
    min-height: 96px;
    padding: 18px 22px;
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.capability-list li:nth-child(1),
.capability-list li:nth-child(2),
.benefit-item:nth-child(1),
.benefit-item:nth-child(2) {
    border-top: 0;
}

.capability-list li:nth-child(2n + 1),
.benefit-item:nth-child(2n + 1) {
    border-left: 0;
}

.capability-list strong,
.benefit-item strong {
    display: block;
    margin-bottom: 7px;
    color: var(--text-main);
    font-size: 17px;
    line-height: 1.3;
    font-weight: 760;
}

.capability-list span,
.benefit-item span {
    display: block;
    color: var(--text-body);
    font-size: 14px;
    line-height: 1.5;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    color: var(--text-main);
    font-weight: 700;
    border-radius: 0;
    box-shadow: none;
}

.benefit-item svg {
    display: none;
}

.capability-panel__cta {
    min-width: 230px;
    display: grid;
    gap: 10px;
}

.capability-panel__cta .button {
    width: 100%;
    justify-content: center;
}

.solution-challenges,
.recommended-products,
.solution-mid-layout,
.comparison-brand-layout,
.solution-request-section {
    padding: 56px 0 0;
}

main > .solution-process-directions,
main > .solution-workflow {
    padding: 56px 0 0;
}

.challenge-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--border-strong);
    border-bottom: 1px solid var(--border-strong);
}

.solution-challenge-card,
.recommended-product-card,
.process-direction-card,
.workflow-list,
.brand-support-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    box-shadow: none;
}

.solution-challenge-card {
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding: 22px 0;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.solution-challenge-card:hover,
.recommended-product-card:hover,
.process-direction-card:hover,
.brand-support-card:hover {
    border-color: var(--border-strong);
    box-shadow: none;
    transform: none;
}

.solution-challenge-card:last-child {
    border-bottom: 0;
}

.solution-challenge-card svg {
    display: none;
}

.solution-challenge-card h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 20px;
    line-height: 1.28;
    font-weight: 760;
}

.solution-challenge-card p {
    margin: 0;
    font-size: 16px;
    line-height: 1.58;
}

.solution-challenge-card strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
    font-size: 15px;
}

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

.recommended-product-card {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 20px;
    transition: border-color 0.2s ease;
}

.product-sample-link {
    display: block;
    margin-bottom: 18px;
}

.product-sample-image {
    width: 100%;
    aspect-ratio: 1.38 / 1;
    display: block;
    object-fit: cover;
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    background: radial-gradient(ellipse at 52% 55%, rgba(255, 255, 255, 0.96) 0 34%, transparent 35%), linear-gradient(135deg, #f8fbff, #e4eef8);
}

.product-sample-image::before {
    opacity: 0.14;
}

.pale-sample {
    background: radial-gradient(ellipse at 52% 55%, rgba(240, 224, 176, 0.86) 0 34%, transparent 35%), linear-gradient(135deg, #f8fbff, #e4eef8);
}

.cream-sample {
    background: radial-gradient(ellipse at 52% 55%, rgba(255, 255, 255, 0.98) 0 34%, transparent 35%), linear-gradient(135deg, #eef5fb, #d8e5f2);
}

.recommended-product-card h3 {
    margin-bottom: 8px;
    color: var(--text-main);
    font-size: 22px;
    line-height: 1.18;
    font-weight: 760;
}

.recommended-product-card p {
    margin: 0 0 7px;
    font-size: 15px;
    line-height: 1.45;
}

.recommended-product-card ul {
    margin: 4px 0 16px;
}

.recommended-product-card li {
    position: relative;
    margin-bottom: 6px;
    padding-left: 12px;
    font-size: 14px;
    line-height: 1.38;
}

.recommended-product-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary);
}

.recommended-product-card .button {
    width: 100%;
    min-height: 44px;
    margin-top: auto;
    padding-inline: 12px;
    font-size: 14px;
}

.mid-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.34fr) minmax(320px, 0.66fr);
    gap: 30px;
    align-items: start;
}

.process-direction-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--border-strong);
    border-bottom: 1px solid var(--border-strong);
}

.process-direction-card {
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(180px, 0.26fr) minmax(0, 1fr) auto;
    column-gap: 22px;
    align-items: center;
    padding: 18px 0;
    border: 0;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    transition: border-color 0.2s ease;
}

.process-direction-card:last-child {
    border-bottom: 0;
}

.process-image {
    display: none;
}

.process-direction-card:hover .process-image {
    transform: none;
}

.process-direction-card h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 18px;
    line-height: 1.3;
    font-weight: 760;
}

.process-direction-card p {
    margin: 0;
    font-size: 15px;
    line-height: 1.48;
}

.card-link {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    margin: 0;
    color: var(--primary);
    font-size: 14px;
    line-height: 1.2;
    font-weight: 760;
    white-space: nowrap;
}

.fabric-white-image {
    background: linear-gradient(135deg, #fff, #dbe8f4);
}

.dyeing-image {
    background: repeating-linear-gradient(90deg, #f1cb35 0 28px, #1a82d8 28px 56px, #f2668a 56px 84px, #dbe8f4 84px 112px);
}

.softening-image {
    background: linear-gradient(135deg, #fff0f3, #e5edf8);
}

.washing-image {
    background: radial-gradient(circle at 38% 48%, rgba(255, 255, 255, 0.8), transparent 20%), linear-gradient(135deg, #c6d3df, #30445a);
}

.auxiliary-image {
    background: radial-gradient(circle at 55% 45%, rgba(255, 255, 255, 0.92), transparent 18%), linear-gradient(135deg, #e9f6ff, #bfd9ef);
}

.workflow-list {
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
    border-top: 1px solid var(--border-strong);
    border-bottom: 1px solid var(--border-strong);
    border-inline: 0;
    border-radius: 0;
}

.mid-grid .workflow-list {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
}

.mid-grid .workflow-step {
    grid-template-columns: 34px minmax(0, 1fr);
    column-gap: 12px;
    align-items: start;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.mid-grid .workflow-step + .workflow-step {
    padding-top: 16px;
}

.mid-grid .workflow-step:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.mid-grid .workflow-step span {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: start;
    margin: 0;
}

.mid-grid .workflow-step svg {
    display: none;
}

.mid-grid .workflow-step h3,
.mid-grid .workflow-step p {
    grid-column: 2;
}

.workflow-step {
    position: relative;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    column-gap: 14px;
    justify-items: start;
    align-content: start;
    text-align: left;
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
    opacity: 1;
    transform: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.workflow-step:last-child {
    border-bottom: 0;
}

.workflow-step.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.workflow-step:not(:last-child)::after {
    display: none;
}

.workflow-step span {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    color: var(--primary);
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 3px;
    font-size: 15px;
    font-weight: 760;
}

.mid-grid .workflow-step span,
.mid-grid .workflow-step svg {
    width: 30px;
    height: 30px;
}

.workflow-step svg {
    display: none;
}

.workflow-step h3 {
    grid-column: 2;
    margin: 0 0 4px;
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.25;
    font-weight: 760;
}

.workflow-step p {
    grid-column: 2;
    margin: 0;
    font-size: 14px;
    line-height: 1.48;
}

.comparison-brand-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.34fr);
    gap: 24px;
    align-items: start;
}

.solution-comparison,
.solution-brand-support {
    min-width: 0;
}

.comparison-table-wrapper {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    contain: layout paint;
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-soft);
    background: linear-gradient(90deg, rgba(7, 84, 184, 0.09), transparent 18px) 0 0 / 18px 100% no-repeat, var(--white);
}

table {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
    font-size: 14px;
}

th,
td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    text-align: center;
    vertical-align: middle;
}

th:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    text-align: left;
    background: var(--white);
}

thead th {
    color: var(--primary-dark);
    background: var(--pale-blue);
    font-weight: 850;
}

tbody tr:last-child th,
tbody tr:last-child td {
    border-bottom: 0;
}

.rating-dots {
    display: inline-flex;
    gap: 4px;
    white-space: nowrap;
}

.rating-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #c6cfdb;
}

.rating-dot.is-active {
    background: var(--primary);
}

.rating-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin: 14px 0 0;
    font-size: 14px;
}

.rating-legend .rating-dots {
    margin-right: 2px;
}

.brand-support-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.brand-support-card {
    min-height: 220px;
    display: grid;
    grid-template-rows: 82px 1fr auto;
    gap: 10px;
    padding: 16px;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.brand-support-link {
    width: 100%;
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    background: var(--white);
}

.brand-image {
    width: 100%;
    height: 70px;
    object-fit: contain;
    padding: 10px;
    align-self: center;
}

.brand-image[alt="BASF"] {
    height: 78px;
    padding: 6px;
}

.brand-support-link:hover,
.brand-support-link:focus-visible {
    border-color: rgba(7, 84, 184, 0.5);
}

.brand-support-card p {
    margin: 0;
    font-size: 15px;
    line-height: 1.5;
}

.brand-text-link {
    align-self: end;
    color: var(--primary);
    font-size: 15px;
    font-weight: 850;
}

.brand-text-link:hover,
.brand-text-link:focus-visible {
    text-decoration: underline;
}

.brand-byk {
    background: radial-gradient(circle at 50% 50%, #0754b8 0 18%, transparent 19%), linear-gradient(135deg, #fff, #eef3f8);
}

.solution-request-section {
    padding-bottom: 0;
}

.request-shell {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 0;
    padding: 10px;
    border: 1px solid #0d5dc8;
    border-radius: var(--card-radius);
    background: linear-gradient(135deg, var(--deep-navy), #0754b8);
}

.sample-request-panel {
    position: relative;
    overflow: hidden;
    min-height: 360px;
    display: flex;
    align-items: center;
    padding: 34px;
    color: var(--white);
    background-size: cover;
    background-position: center;
    isolation: isolate;
}

.sample-request-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(90deg, rgba(2, 36, 82, 0.86), rgba(7, 84, 184, 0.58) 55%, rgba(7, 84, 184, 0.24));
}

.sample-request-panel .sample-content {
    width: min(640px, 100%);
}

.sample-lab-image {
    display: none !important;
}

.sample-content h2 {
    margin-bottom: 14px;
    font-size: 30px;
    line-height: 1.2;
}

.sample-content p {
    margin-bottom: 14px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 17px;
    line-height: 1.55;
}

.sample-content li {
    position: relative;
    margin-bottom: 8px;
    padding-left: 22px;
    font-size: 16px;
}

.sample-content li::before {
    content: "\\2713";
    position: absolute;
    left: 0;
    color: #bce5ff;
}

.solution-request-form {
    padding: 30px;
    background: var(--white);
    border-radius: 5px;
}

.solution-request-form h2 {
    margin-bottom: 20px;
    color: var(--primary-dark);
    font-size: 27px;
    line-height: 1.2;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(var(--form-columns, 2), minmax(0, 1fr));
    gap: 14px;
}

.form-field {
    display: grid;
    gap: 6px;
}

.form-field--full {
    grid-column: 1 / -1;
}

.form-field label,
.field-label {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 800;
}

.form-field label span {
    color: var(--error);
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field textarea {
    width: 100%;
    min-height: 46px;
    padding: 0 13px;
    color: var(--text-body);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 5px;
}

.form-field textarea {
    min-height: 100px;
    padding-top: 12px;
    resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}

.form-field.is-error input,
.form-field.is-error textarea {
    border-color: var(--error);
}

.field-error {
    min-height: 16px;
    margin: 0;
    color: var(--error);
    font-size: 12px;
}

.request-type-field,
.consent-field {
    align-content: start;
}

.request-type-field label,
.consent-field label {
    min-height: 28px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-body);
    font-size: 14px;
}

.request-submit {
    width: 100%;
    min-height: 48px;
    margin-top: 14px;
}

.form-success {
    min-height: 18px;
    margin: 8px 0 0;
    color: var(--success);
    font-size: 14px;
    font-weight: 800;
}

.solution-faq {
    padding: 56px 0;
    background: var(--white);
}

.solution-faq h2 {
    max-width: 900px;
    margin: 0 auto 26px;
    color: var(--primary-dark);
    font-size: 28px;
    line-height: 1.24;
    font-weight: 760;
    text-align: center;
}

.solution-faq .solution-faq__list,
.solution-faq .faq-list {
    max-width: 960px;
    display: grid;
    gap: 12px;
    margin: 0 auto;
}

.solution-faq .solution-faq__item,
.solution-faq .faq-item {
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-soft);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.solution-faq .solution-faq__item[open],
.solution-faq .faq-item[open] {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-card);
}

.solution-faq summary {
    position: relative;
    min-height: 58px;
    display: flex;
    align-items: center;
    padding: 16px 58px 16px 22px;
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.45;
    font-weight: 800;
    list-style: none;
    cursor: pointer;
}

.solution-faq summary::-webkit-details-marker {
    display: none;
}

.solution-faq summary::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 24px;
    width: 12px;
    height: 12px;
    border-right: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: translateY(-68%) rotate(45deg);
    transition: transform 0.2s ease;
}

.solution-faq details[open] summary::after {
    transform: translateY(-32%) rotate(-135deg);
}

.solution-faq summary:hover,
.solution-faq summary:focus-visible {
    color: var(--primary);
}

.solution-faq summary:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.solution-faq details > p {
    margin: 0;
    padding: 0 22px 20px;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.7;
}

.site-footer {
    color: rgba(255, 255, 255, 0.84);
    background: linear-gradient(120deg, var(--deep-navy), #053b83);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.55fr repeat(5, minmax(0, 1fr));
    gap: 34px;
    padding: 40px 0 36px;
}

.footer-brand p {
    max-width: 330px;
    margin: 14px 0 18px;
    font-size: 14px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
}

.social-links a:hover,
.social-links a:focus-visible {
    color: var(--white);
    background: rgba(255, 255, 255, 0.14);
}

.social-links svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.footer-column {
    font-style: normal;
}

.footer-column__title {
    min-height: 28px;
    margin-bottom: 12px;
    padding: 0;
    color: var(--white);
    background: transparent;
    border: 0;
    font-size: 15px;
    font-weight: 850;
    text-align: left;
}

.footer-column li {
    margin-bottom: 8px;
    font-size: 13px;
    line-height: 1.45;
}

.footer-column a:hover,
.footer-column a:focus-visible,
.footer-bottom a:hover,
.footer-bottom a:focus-visible {
    color: var(--white);
    text-decoration: underline;
}

.button--footer {
    min-height: 40px;
    margin-top: 12px;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.45);
}

.button--footer:hover,
.button--footer:focus-visible {
    color: var(--deep-navy);
    background: var(--white);
}

.footer-bottom {
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.64);
    font-size: 13px;
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom div {
    display: flex;
    gap: 36px;
}

.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 900;
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    background: var(--primary);
    border: 0;
    border-radius: 6px;
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
    background: var(--primary-hover);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@media (min-width: 2100px) {
    .container {
        width: min(100% - 72px, var(--wide-width));
    }
}

@media (max-width: 1320px) {
    .capability-panel {
        grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
    }

    .capability-panel__cta {
        grid-column: 1 / -1;
        max-width: 520px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .recommended-products-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .request-shell {
        grid-template-columns: 1fr;
    }

    .mid-grid {
        grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.8fr);
    }

    .comparison-brand-grid {
        grid-template-columns: minmax(0, 1fr) minmax(280px, 0.38fr);
    }

    .brand-support-grid {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 992px) {
    .recommended-products-grid,
    .workflow-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .capability-panel {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .capability-panel__cta {
        grid-column: auto;
    }

    .process-direction-card {
        grid-template-columns: minmax(160px, 0.32fr) minmax(0, 1fr);
        row-gap: 8px;
    }

    .process-direction-card .card-link {
        grid-column: 2;
        justify-content: flex-start;
    }

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

    .comparison-brand-grid {
        grid-template-columns: 1fr;
    }

    .brand-support-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sample-request-panel {
        grid-template-columns: 1fr;
    }

    .sample-lab-image {
        min-height: 170px;
        height: 170px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
        line-height: 1.5;
    }
.hero-actions {
        display: grid;
        gap: 10px;
    }

    .hero-actions .button {
        width: 100%;
    }

    .section-title {
        margin-bottom: 16px;
    }

    .recommended-products-grid,
    .workflow-list,
    .brand-support-grid,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .capability-list,
    .benefits-strip {
        grid-template-columns: 1fr;
    }

    .capability-list li,
    .benefit-item,
    .capability-list li:nth-child(2),
    .benefit-item:nth-child(2) {
        min-height: 0;
        padding: 14px 0;
        border-left: 0;
        border-top: 1px solid var(--border);
    }

    .capability-list li:first-child,
    .benefit-item:first-child {
        border-top: 0;
    }

    .solution-challenges,
    .recommended-products,
    .solution-mid-layout,
    .comparison-brand-layout,
    .solution-request-section,
    main > .solution-process-directions,
    main > .solution-workflow {
        padding-top: 38px;
    }

    .solution-challenge-card {
        grid-template-columns: 1fr;
        gap: 7px;
        padding: 16px 0;
    }

    .solution-challenge-card h3,
    .recommended-product-card h3,
    .process-direction-card h3,
    .workflow-step h3 {
        font-size: 18px;
        line-height: 1.25;
    }

    .solution-challenge-card p,
    .recommended-product-card p,
    .process-direction-card p,
    .workflow-step p,
    .brand-support-card p {
        font-size: 14px;
        line-height: 1.48;
    }

    .recommended-product-card {
        padding: 16px;
    }

    .product-sample-link {
        margin-bottom: 12px;
    }

    .recommended-product-card li {
        font-size: 13px;
        line-height: 1.35;
    }

    .process-direction-card {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 16px 0;
    }

    .process-direction-card h3 {
        margin: 0;
    }

    .process-direction-card p {
        margin: 0;
    }

    .process-direction-card .card-link {
        grid-column: auto;
    }

    .workflow-list {
        min-height: 0;
        padding: 0;
        gap: 0;
    }

    .workflow-step {
        grid-template-columns: 32px minmax(0, 1fr);
        padding: 14px 0;
    }

    .workflow-step span {
        width: 28px;
        height: 28px;
    }

    .brand-support-card {
        min-height: 0;
        padding: 12px;
        grid-template-rows: 68px 1fr auto;
    }

    .brand-support-link {
        min-height: 68px;
    }

    .brand-image {
        height: 58px;
        padding: 8px;
    }

    .brand-image[alt="BASF"] {
        height: 66px;
        padding: 4px;
    }

    .brand-text-link {
        font-size: 14px;
    }

    table {
        min-width: 920px;
    }

    .request-shell {
        padding: 6px;
    }

    .sample-request-panel,
    .solution-request-form {
        padding: 22px;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .footer-brand,
    .footer-contacts {
        padding-bottom: 18px;
    }

    .footer-column {
        border-top: 1px solid rgba(255, 255, 255, 0.16);
    }

    .footer-column__title {
        width: 100%;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin: 0;
    }

    .footer-column ul {
        display: none;
        padding-bottom: 12px;
    }

    .footer-column.is-open ul {
        display: block;
    }

    .footer-bottom {
        display: grid;
    }

    .footer-bottom div {
        display: grid;
        gap: 8px;
    }
}

@media (max-width: 480px) {
.button {
        min-height: 42px;
        padding-inline: 14px;
        font-size: 13px;
    }

    .solution-challenges,
    .recommended-products,
    .solution-mid-layout,
    .comparison-brand-layout,
    .solution-request-section,
    main > .solution-process-directions,
    main > .solution-workflow {
        padding-top: 30px;
    }

    .recommended-product-card,
    .sample-request-panel,
    .solution-request-form,
    .brand-support-card {
        padding: 14px;
    }

    .capability-panel {
        padding-top: 24px;
        padding-bottom: 24px;
    }

    .capability-panel__cta {
        grid-template-columns: 1fr;
    }

    .recommended-product-card h3 {
        font-size: 17px;
    }

    .process-direction-card h3 {
        font-size: 17px;
    }

    .recommended-product-card .button {
        min-height: 40px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

    .process-direction-card:hover .process-image {
        transform: none;
    }

    .workflow-step {
        opacity: 1;
        transform: none;
    }
}