:root {
    --focus-color: #ffbf47;
    --surface-soft: #eef5fc;
    --border-soft: #d7e3ef;
    --motion-fast: 180ms;
    --motion-normal: 420ms;
}

html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 5000;
    padding: 10px 16px;
    border-radius: 8px;
    background: #fff;
    color: #123e68;
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(0,0,0,.2);
    transform: translateY(-150%);
    transition: transform var(--motion-fast) ease;
}
.skip-link:focus { transform: translateY(0); }

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--focus-color);
    outline-offset: 3px;
}

.white-strip-wrapper {
    --plaque-lift: -4px;
    z-index: 2200;
    animation: plaqueFloat 4.6s ease-in-out 1.2s infinite;
    filter: drop-shadow(8px 14px 12px rgba(7, 27, 46, .46));
    isolation: isolate;
    will-change: transform;
}
.white-strip-bg {
    background: linear-gradient(145deg, #fff 0%, #fff 68%, #edf5fb 100%);
}
.white-strip-shadow {
    opacity: .5;
    filter: blur(12px);
}
.white-strip-wrapper .logo-wrapper .logo {
    animation: wheelIn 1.2s ease-out both;
}
.company-name { animation-duration: 520ms; animation-delay: 120ms; }
.contacts-header { animation-duration: 520ms; animation-delay: 220ms; }
.hero h1 { animation-duration: 520ms; animation-delay: 100ms; }
.hero p { animation-duration: 520ms; animation-delay: 190ms; }

@keyframes plaqueFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(var(--plaque-lift)); }
}

.primary-nav {
    position: sticky;
    top: 0;
    z-index: 1200;
}
.primary-nav a[aria-current="page"] {
    color: var(--accent-blue, #4a90d9);
    border-bottom-color: var(--accent-blue, #4a90d9);
}
.nav-toggle {
    display: none;
    width: 100%;
    padding: 12px 20px;
    border: 0;
    background: #fff;
    color: var(--primary-blue, #1a4a7a);
    font: inherit;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}
.nav-toggle-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}
.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
    display: block;
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform var(--motion-fast) ease, opacity var(--motion-fast) ease;
}
.nav-toggle-icon { position: relative; }
.nav-toggle-icon::before,
.nav-toggle-icon::after { content: ""; position: absolute; left: 0; }
.nav-toggle-icon::before { top: -7px; }
.nav-toggle-icon::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after { transform: translateY(-7px) rotate(-45deg); }

.submenu-toggle {
    display: none;
    border: 0;
    background: transparent;
    color: var(--primary-blue, #1a4a7a);
    cursor: pointer;
}

.breadcrumbs {
    background: #f7fafd;
    border-bottom: 1px solid var(--border-soft);
}
.breadcrumbs .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    font-size: .9rem;
    color: #61758a;
}
.breadcrumbs a { color: var(--primary-blue, #1a4a7a); font-weight: 600; }
.breadcrumbs span[aria-hidden="true"] { margin: 0 8px; color: #8ba0b4; }

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity var(--motion-normal) ease, transform var(--motion-normal) ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.document-tools {
    max-width: 760px;
    margin: 24px auto 18px;
    text-align: left;
}
.document-tools label { display: block; margin-bottom: 7px; color: #294c70; font-weight: 700; }
.document-search {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #b9cce0;
    border-radius: 10px;
    background: #fff;
    color: #1f2937;
    font: inherit;
}
.document-search-status { min-height: 1.5em; margin-top: 7px; color: #60758b; font-size: .9rem; }
.docs-list li[hidden] { display: none !important; }
.docs-list li {
    transition: transform var(--motion-fast) ease, box-shadow var(--motion-fast) ease, background-color var(--motion-fast) ease;
}
.docs-list li:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(26,74,122,.09); }
.file-size { white-space: nowrap; }

.vk-news-shell {
    min-height: 0 !important;
    overflow: visible !important;
    background: transparent !important;
    box-shadow: none !important;
}
.vk-news-feed { display: grid; gap: 20px; }
.vk-post-card {
    overflow: hidden;
    padding: 22px;
    border: 1px solid var(--border-soft);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 6px 20px rgba(26,74,122,.08);
    text-align: left;
    transition: transform var(--motion-fast) ease, box-shadow var(--motion-fast) ease;
}
.vk-post-card:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(26,74,122,.13); }
.vk-post-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: #687d91; font-size: .86rem; }
.vk-post-pinned { padding: 2px 8px; border-radius: 999px; background: var(--surface-soft); color: #315d87; font-weight: 700; }
.vk-post-text { margin: 0 0 16px; color: #243d56; line-height: 1.65; white-space: pre-line; overflow-wrap: anywhere; }
.vk-post-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 0 0 16px; }
.vk-post-gallery-1 { grid-template-columns: 1fr; }
.vk-post-photo { display: block; min-height: 180px; overflow: hidden; border-radius: 10px; background: #e8eff6; }
.vk-post-photo img { display: block; width: 100%; height: 100%; max-height: 440px; object-fit: cover; transition: transform 300ms ease; }
.vk-post-photo:hover img { transform: scale(1.025); }
.vk-post-video-gallery { display: grid; gap: 8px; margin: 0 0 16px; }
.vk-post-video { position: relative; display: block; min-height: 220px; overflow: hidden; border-radius: 10px; background: #172a3d; color: #fff; }
.vk-post-video img { display: block; width: 100%; height: 100%; max-height: 440px; object-fit: cover; opacity: .88; transition: transform 300ms ease, opacity 300ms ease; }
.vk-post-video:hover img { transform: scale(1.025); opacity: .72; }
.vk-post-video-play { position: absolute; top: 50%; left: 50%; display: grid; width: 58px; height: 58px; place-items: center; padding-left: 4px; border-radius: 50%; background: rgba(38, 117, 191, .94); box-shadow: 0 8px 24px rgba(0,0,0,.28); transform: translate(-50%, -50%); transition: transform 220ms ease; }
.vk-post-video:hover .vk-post-video-play { transform: translate(-50%, -50%) scale(1.08); }
.vk-post-video-title { position: absolute; right: 14px; bottom: 12px; left: 14px; overflow: hidden; color: #fff; font-weight: 700; text-overflow: ellipsis; text-shadow: 0 1px 5px rgba(0,0,0,.85); white-space: nowrap; }
.vk-post-attachment-link { display: block; margin: 8px 0; color: #326da8; font-weight: 600; }
.vk-post-source-link { display: inline-block; margin-top: 4px; color: var(--accent-blue, #4a90d9); font-weight: 700; }
.vk-news-message { padding: 24px; border: 1px solid var(--border-soft); border-radius: 12px; background: var(--surface-soft); color: #3a536c; text-align: center; }
.vk-news-message a { color: #326da8; font-weight: 700; }
.vk-news-message-error { border-color: #efc5c5; background: #fff5f5; color: #8b3434; }
.vk-news-stale { color: #6a7d8f; font-size: .85rem; text-align: center; }

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}
.legal-content h2 { margin: 28px 0 10px; color: var(--primary-blue, #1a4a7a); font-size: 1.35rem; }
.legal-content p,
.legal-content li { margin-bottom: 10px; color: #3a536c; }
.legal-content ul { padding-left: 22px; }

.footer-links a { min-height: 32px; }
.footer-links a[aria-current="page"] { color: #fff; text-decoration: underline; }

@media (hover: hover) {
    nav .dropdown-content {
        display: block;
        visibility: hidden;
        opacity: 0;
        transform: translateY(8px);
        pointer-events: none;
        transition: opacity var(--motion-fast) ease, transform var(--motion-fast) ease, visibility var(--motion-fast) ease;
    }
    nav .dropdown:hover .dropdown-content,
    nav .dropdown:focus-within .dropdown-content {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }
}

@media (max-width: 900px) {
    .nav-toggle { display: block; }
    .primary-nav { padding: 0; }
    .primary-nav > .container {
        display: none !important;
        padding: 4px 20px 16px !important;
        flex-direction: column;
        align-items: stretch;
        gap: 0 !important;
        animation: mobileMenuIn 220ms ease both;
    }
    body.nav-open { overflow: hidden; }
    body.nav-open .primary-nav > .container { display: flex !important; max-height: calc(100vh - 52px); overflow-y: auto; }
    .primary-nav > .container > a,
    .primary-nav .dropdown > a {
        display: block;
        width: 100%;
        padding: 11px 4px;
        border-bottom: 1px solid #e5edf5;
    }
    .primary-nav .dropdown { position: relative; width: 100%; }
    .submenu-toggle {
        display: flex;
        position: absolute;
        top: 4px;
        right: 0;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        z-index: 2;
    }
    .submenu-toggle::after { content: "⌄"; font-size: 1.25rem; transition: transform var(--motion-fast) ease; }
    .submenu-toggle[aria-expanded="true"]::after { transform: rotate(180deg); }
    .primary-nav .dropdown-content,
    .primary-nav .dropdown:hover .dropdown-content {
        display: none !important;
        position: static;
        visibility: visible;
        opacity: 1;
        transform: none;
        pointer-events: auto;
        min-width: 0;
        box-shadow: none;
        border-radius: 0;
        padding: 2px 0 8px 14px;
    }
    .primary-nav .dropdown.is-open .dropdown-content { display: block !important; }
    .primary-nav .dropdown-content a { padding: 9px 12px; white-space: normal; }
    .breadcrumbs .container { padding: 8px 16px; }
}

@keyframes mobileMenuIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
    .white-strip-wrapper {
        --plaque-lift: -2px;
        filter: drop-shadow(5px 10px 9px rgba(7, 27, 46, .4));
    }
    .white-strip-wrapper .logo-wrapper .logo { animation-duration: 900ms; }
    .company-name,
    .contacts-header,
    .hero h1,
    .hero p { animation-duration: 380ms; animation-delay: 60ms; }
    .vk-post-card { padding: 16px; }
    .vk-post-gallery { grid-template-columns: 1fr; }
    .vk-post-photo { min-height: 150px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
    .reveal { opacity: 1; transform: none; }
}

@media print {
    header, .primary-nav, .breadcrumbs, footer, .document-tools { display: none !important; }
    body { background: #fff; color: #000; }
    a { color: #000; text-decoration: underline; }
}