:root {
    --primary: #0754b8;
    --primary-hover: #06489d;
    --primary-dark: #063372;
    --navy: #032d69;
    --deep-navy: #022452;
    --accent: #1782df;
    --light-blue: #edf5ff;
    --pale-blue: #f7faff;
    --section-bg: #f6f8fb;
    --white: #ffffff;
    --border: #dde6f0;
    --border-strong: #c9d7e8;
    --text-main: #102f69;
    --text-body: #34445e;
    --text-muted: #738198;
    --success: #16834b;
    --error: #c83939;
    --container-width: 1820px;
    --wide-width: 2200px;
    --card-radius: 8px;
    --shadow-soft: 0 10px 28px rgba(13, 51, 101, 0.08);
    --shadow-card: 0 18px 46px rgba(13, 51, 101, 0.12);
    --focus-ring: 0 0 0 4px rgba(7, 84, 184, 0.2);
}

*,
*::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: Inter, Arial, "Helvetica Neue", sans-serif;
    line-height: 1.58;
    overflow-wrap: anywhere;
    word-break: normal;
}

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

button,
input {
    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;
}

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

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 10000;
    padding: 12px 18px;
    color: var(--white);
    background: var(--primary);
    border-radius: 6px;
    transform: translateY(-140%);
    transition: transform 0.2s ease;
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.button {
    min-height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 28px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0;
    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:active,
.news-card:active,
.featured-news-card:active {
    transform: translateY(1px);
}

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

.image-placeholder,
.featured-news-image,
.news-image,
.thumb,
.subscription-image,
.sidebar-contact-image {
    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, 0.88), transparent 18%),
        radial-gradient(circle at 76% 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: 0.28;
}

.image-placeholder::after {
    right: -64px;
    bottom: -76px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: rgba(7, 84, 184, 0.13);
}

.news-category-navigation {
    border-bottom: 1px solid var(--border);
    background: var(--white);
}

.news-category-list {
    min-height: 86px;
    display: flex;
    align-items: center;
    gap: 16px;
    overflow-x: auto;
    scrollbar-width: none;
}

.news-category-list::-webkit-scrollbar {
    display: none;
}

.news-category-list a {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0 22px;
    color: var(--text-body);
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 800;
    white-space: nowrap;
}

.news-category-list a svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.news-category-list a:hover,
.news-category-list a:focus-visible {
    color: var(--primary);
    background: var(--light-blue);
}

.news-category-list a.is-active {
    color: var(--white);
    background: var(--primary);
    border-color: var(--primary);
}

.news-layout {
    padding: 44px 0 48px;
    background: var(--white);
    font-size: 15px;
}

.news-layout__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 360px);
    gap: 28px;
    align-items: start;
}

.news-main-column {
    min-width: 0;
}

.featured-news-card,
.news-card,
.sidebar-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-soft);
}

.featured-news-card {
    display: grid;
    grid-template-columns: minmax(360px, 0.45fr) minmax(0, 0.55fr);
    overflow: hidden;
    margin-bottom: 28px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.featured-news-card:hover,
.news-card:hover {
    border-color: rgba(7, 84, 184, 0.5);
    box-shadow: var(--shadow-card);
    transform: translateY(-4px);
}

.featured-news-card__image-wrap,
.news-image-link {
    display: block;
    overflow: hidden;
}

.featured-news-image {
    height: 100%;
    min-height: 420px;
    border: 0;
    border-radius: 0;
    transition: transform 0.25s ease;
}

.featured-news-card:hover .featured-news-image,
.news-card:hover .news-image {
    transform: scale(1.035);
}

.featured-news-card__content {
    padding: 42px;
}

.news-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.4;
}

.news-meta span {
    color: var(--primary);
    font-weight: 800;
}

.featured-news-card h2 {
    margin-bottom: 16px;
    color: var(--primary-dark);
    font-size: clamp(26px, 1.8vw, 34px);
    line-height: 1.18;
}

.featured-news-card h2 a:hover,
.news-card h3 a:hover {
    color: var(--primary);
}

.featured-news-card__content > p:not(.news-meta) {
    margin-bottom: 24px;
    font-size: 16px;
    line-height: 1.6;
}

.read-more-button {
    min-width: 170px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.news-card {
    min-width: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.news-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 0;
    border-bottom: 1px solid var(--border);
    border-radius: var(--card-radius) var(--card-radius) 0 0;
    transition: transform 0.25s ease;
}

.news-card__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 20px 22px;
}

.news-card h3 {
    margin-bottom: 12px;
    color: var(--primary-dark);
    font-size: 20px;
    line-height: 1.28;
}

.news-card__body > p:not(.news-meta) {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 18px;
    font-size: 15px;
    line-height: 1.55;
}

.text-link {
    margin-top: auto;
    color: var(--primary);
    font-size: 15px;
    font-weight: 800;
}

.text-link:hover,
.text-link:focus-visible {
    color: var(--primary-hover);
    text-decoration: underline;
}

.empty-state {
    padding: 28px;
    margin: 24px 0 0;
    color: var(--text-main);
    background: var(--pale-blue);
    border: 1px solid var(--border);
    border-radius: var(--card-radius);
    text-align: center;
    font-size: 18px;
    font-weight: 800;
}

.featured-news-image {
    background:
        linear-gradient(135deg, rgba(3, 45, 105, 0.78), rgba(221, 236, 249, 0.35)),
        repeating-linear-gradient(90deg, transparent 0 24px, rgba(255, 255, 255, 0.38) 24px 27px),
        #d4e6f6;
}

.expo-image {
    background:
        linear-gradient(135deg, #dcecf8, #b9d2e8),
        repeating-linear-gradient(90deg, rgba(7, 84, 184, 0.35) 0 24px, rgba(255, 255, 255, 0.42) 24px 28px);
}

.shipment-image,
.warehouse-image {
    background: linear-gradient(170deg, rgba(7, 84, 184, 0.55) 0 44%, rgba(2, 36, 82, 0.78) 45% 52%, #d8eafd 53%);
}

.emul-image {
    background:
        radial-gradient(circle at 58% 42%, rgba(255, 255, 255, 0.86) 0 18%, transparent 19%),
        linear-gradient(135deg, #eff8ff, #d4e5f4);
}

.certificate-image {
    background: linear-gradient(135deg, #f3f8fd, #dbe8f4);
}

.equipment-image {
    background:
        linear-gradient(135deg, rgba(3, 45, 105, 0.72), rgba(207, 228, 247, 0.42)),
        repeating-linear-gradient(90deg, transparent 0 22px, rgba(255, 255, 255, 0.38) 22px 25px),
        #eaf3fb;
}

.support-image {
    background:
        radial-gradient(circle at 45% 38%, rgba(255, 255, 255, 0.86) 0 13%, transparent 14%),
        linear-gradient(135deg, #e5f1fc, #c7daed);
}

.basf-byk-image {
    background: linear-gradient(90deg, #f7f9fc 0 48%, #d7e9f8 49% 100%);
}

.anniversary-image {
    background:
        radial-gradient(circle at 55% 50%, rgba(255, 255, 255, 0.9), transparent 24%),
        linear-gradient(135deg, #0754b8, #0e78df);
}

.news-sidebar {
    display: grid;
    gap: 24px;
}

.sidebar-panel {
    padding: 26px;
}

.sidebar-panel h2 {
    margin-bottom: 18px;
    color: var(--text-main);
    font-size: 22px;
    font-weight: 850;
    line-height: 1.25;
}

.news-search-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
}

.news-search-form input,
.subscription-form input[type="email"] {
    min-height: 54px;
    width: 100%;
    padding: 0 16px;
    color: var(--text-body);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    font-size: 16px;
}

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

.clear-search-button,
.archive-reset {
    justify-self: start;
    min-height: 34px;
    padding: 0;
    color: var(--primary);
    background: transparent;
    border: 0;
    font-size: 15px;
    font-weight: 800;
}

.archive-all-link {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    margin-top: 10px;
    color: var(--primary);
    font-size: 15px;
    font-weight: 800;
}

.clear-search-button:hover,
.archive-reset:hover,
.archive-all-link:hover,
.archive-all-link:focus-visible {
    text-decoration: underline;
}

.search-status {
    min-height: 20px;
    margin: 12px 0 0;
    color: var(--primary-dark);
    font-size: 15px;
}

.latest-news-list {
    display: grid;
    gap: 18px;
}

.latest-news-list li:not(:last-child) {
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.latest-news-list a {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
}

.thumb {
    grid-row: span 2;
    width: 104px;
    aspect-ratio: 1.45 / 1;
    border-radius: 6px;
}

.latest-news-list strong {
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.32;
}

.latest-news-list time {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 14px;
}

.latest-news-list a:hover strong {
    color: var(--primary);
}

.archive-list {
    display: grid;
    gap: 12px;
}

.archive-list button {
    width: 100%;
    min-height: 34px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    color: var(--primary-dark);
    background: transparent;
    border: 0;
    font-size: 16px;
    text-align: left;
}

.archive-list button:hover,
.archive-list button:focus-visible,
.archive-list button.is-active {
    color: var(--primary);
    text-decoration: underline;
}

.archive-list span {
    color: var(--text-muted);
}

.news-contact-panel {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--light-blue), #f8fbff);
}

.news-contact-panel h2,
.news-contact-panel p,
.news-contact-panel a {
    position: relative;
    z-index: 2;
}

.news-contact-panel p {
    margin-bottom: 18px;
    font-size: 17px;
}

.news-contact-panel .button {
    width: 100%;
    margin-bottom: 12px;
}

.sidebar-contact-image {
    height: 150px;
    margin: 14px -26px -26px;
    border: 0;
    border-radius: 0;
    opacity: 0.82;
    background-size: cover;
    background-position: center right;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 34px;
    flex-wrap: wrap;
}

.page-button,
.pagination span {
    min-width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-body);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 16px;
}

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

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

.news-subscription {
    color: var(--white);
    background: linear-gradient(100deg, var(--deep-navy), var(--primary-dark) 58%, #084f9e);
}

.news-subscription__inner {
    min-height: 190px;
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr) minmax(420px, 0.82fr);
    gap: 34px;
    align-items: center;
    padding-block: 34px;
}

.subscription-image {
    height: 126px;
    border: 0;
    border-radius: 0;
    opacity: 0.78;
    background:
        radial-gradient(circle at 35% 56%, rgba(47, 157, 238, 0.72) 0 8%, transparent 9%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(25, 131, 223, 0.56));
    background-size: cover;
    background-position: center right;
}

.subscription-content h2 {
    margin-bottom: 10px;
    font-size: 32px;
    line-height: 1.18;
}

.subscription-content p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: 17px;
}

.subscription-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 170px;
    gap: 12px;
    margin-bottom: 12px;
}

.consent-label {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 10px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
}

.consent-label input {
    width: 18px;
    height: 18px;
    margin: 2px 0 0;
}

.subscription-message {
    min-height: 20px;
    margin: 10px 0 0;
    font-size: 14px;
}

.subscription-message.is-error {
    color: #ffd0d0;
}

.subscription-message.is-success {
    color: #d6ffe7;
}

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

.footer-main {
    display: grid;
    grid-template-columns: 1.4fr repeat(5, minmax(0, 1fr));
    gap: 34px;
    padding: 42px 0;
}

.footer-brand p {
    max-width: 360px;
    margin: 16px 0 18px;
    font-size: 15px;
}

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

.social-links a {
    width: 36px;
    height: 36px;
    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: 30px;
    margin-bottom: 14px;
    padding: 0;
    color: var(--white);
    background: transparent;
    border: 0;
    font-size: 16px;
    font-weight: 850;
    text-align: left;
}

.footer-column li {
    margin-bottom: 8px;
    font-size: 15px;
}

.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: 42px;
    margin-top: 10px;
    padding-inline: 18px;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.45);
    font-size: 15px;
}

.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: 14px;
}

.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 (max-width: 1500px) {
    .news-layout__grid {
        grid-template-columns: minmax(0, 1fr) 320px;
    }

    .news-grid {
        gap: 18px;
    }

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

@media (max-width: 1200px) {
    .news-layout__grid {
        grid-template-columns: 1fr;
    }

    .news-sidebar {
        grid-row: auto;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
    }

    .news-subscription__inner {
        grid-template-columns: 220px minmax(0, 1fr);
    }

    .subscription-form {
        grid-column: 1 / -1;
    }
}

@media (max-width: 900px) {
    .container {
        width: min(100% - 56px, var(--container-width));
    }

    .featured-news-card {
        grid-template-columns: 1fr;
    }

    .featured-news-image {
        min-height: 0;
        aspect-ratio: 16 / 9;
    }

    .featured-news-card__content {
        padding: 30px;
    }

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

    .news-sidebar {
        grid-template-columns: 1fr;
    }

    .news-search-form,
    .subscription-row {
        grid-template-columns: 1fr;
    }

    .news-search-form .button,
    .subscription-row .button {
        width: 100%;
    }

    .news-subscription__inner {
        grid-template-columns: 1fr;
    }

    .subscription-image {
        display: none;
    }

    .footer-main {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 26px;
    }
}

@media (max-width: 768px) {
    .container {
        width: min(100% - 40px, var(--container-width));
    }

    .news-category-list {
        min-height: 72px;
        gap: 10px;
    }

    .news-category-list a {
        min-height: 46px;
        padding-inline: 16px;
        font-size: 15px;
    }

    .news-layout {
        padding-top: 32px;
    }

    .featured-news-card__content,
    .news-card__body,
    .sidebar-panel {
        padding: 24px;
    }

    .featured-news-card h2 {
        font-size: 26px;
    }

    .news-card h3 {
        font-size: 20px;
    }

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

    .latest-news-list a {
        grid-template-columns: 92px minmax(0, 1fr);
    }

    .thumb {
        width: 92px;
    }

    .pagination .page-button:nth-of-type(4),
    .pagination .page-button:nth-of-type(5),
    .pagination span {
        display: none;
    }

    .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: 50px;
        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) {
    .container {
        width: min(100% - 32px, var(--container-width));
    }

    .featured-news-card__content,
    .news-card__body,
    .sidebar-panel {
        padding: 20px;
    }

    .latest-news-list a {
        grid-template-columns: 78px minmax(0, 1fr);
    }

    .thumb {
        width: 78px;
    }

    .sidebar-contact-image {
        margin-inline: -20px;
        margin-bottom: -20px;
    }

    .subscription-content h2 {
        font-size: 27px;
    }
}

@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;
    }

    .news-card:hover .news-image,
    .featured-news-card:hover .featured-news-image {
        transform: none;
    }
}