:root {
      --bg: #ffffff;
      --bg-muted: #fafaf7;
      --fg: #0a0a0a;
      --fg-muted: #6b6b6b;
      --border: #e8e8e5;
      --accent: #ff4b4b;
      --accent-dark: #e63a3a;
      --radius: 4px;
      --max: 1200px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      background: var(--bg);
      color: var(--fg);
      line-height: 1.5;
      font-size: 17px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }

    .container {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ---------- Header ---------- */
    header.site {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }
    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 0;
      gap: 24px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logo img {
      height: 32px;
      width: auto;
      display: block;
    }
    @media (max-width: 480px) {
      .logo img { height: 26px; }
    }
    .nav-links {
      display: flex;
      gap: 20px;
      font-size: 14px;
      font-weight: 500;
    }
    .nav-links a {
      color: var(--fg);
      transition: color .15s;
      white-space: nowrap;
    }
    .nav-links a:hover { color: var(--accent); }

    .nav-cta {
      background: var(--accent);
      color: #fff;
      padding: 10px 18px;
      border-radius: var(--radius);
      font-weight: 600;
      font-size: 14px;
      transition: background .15s;
      white-space: nowrap;
    }
    .nav-cta:hover { background: var(--accent-dark); }

    .burger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
    .burger span { display: block; width: 22px; height: 2px; background: var(--fg); margin: 5px 0; transition: .2s; }

    @media (max-width: 980px) {
      .nav-links, .nav-cta { display: none; }
      .burger { display: block; }
      .nav-links.open {
        display: flex;
        flex-direction: column;
        gap: 16px;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border);
      }
    }

    /* ---------- Section meta ---------- */
    section { padding: 96px 0; border-bottom: 1px solid var(--border); }
    @media (max-width: 768px) { section { padding: 64px 0; } }

    .section-kicker {
      font-family: 'Inter', sans-serif;
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 16px;
      display: inline-block;
    }
    .section-kicker::before { content: '> '; }

    h1, h2, h3 {
      font-family: 'Inter', sans-serif;
      font-weight: 900;
      letter-spacing: -0.02em;
      line-height: 1.05;
      color: var(--fg);
    }
    h1 { font-size: clamp(40px, 7vw, 84px); }
    h2 { font-size: clamp(32px, 5vw, 56px); margin-bottom: 48px; }
    h3 { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }

    .accent-block {
      background: var(--accent);
      color: #fff;
      padding: 0 0.2em 0.05em;
      display: inline-block;
      white-space: nowrap;
      box-decoration-break: clone;
      -webkit-box-decoration-break: clone;
    }

    p { color: var(--fg); }
    .muted { color: var(--fg-muted); }

    /* ---------- Hero ---------- */
    .hero {
      padding: 80px 0 96px;
      border-bottom: 1px solid var(--border);
      position: relative;
      overflow: hidden;
    }
    .hero-inner {
      display: grid;
      grid-template-columns: 1fr;
      gap: 48px;
    }
    .hero-tagline {
      font-family: 'Inter', sans-serif;
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 20px;
    }
    .hero-tagline::before { content: '> '; }
    .hero-sub {
      font-size: clamp(17px, 1.6vw, 20px);
      color: var(--fg-muted);
      max-width: 720px;
      margin-top: 28px;
      line-height: 1.5;
    }
    .hero-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
    .hero-cta {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--accent);
      color: #fff;
      padding: 16px 28px;
      border-radius: var(--radius);
      font-weight: 600;
      font-size: 16px;
      transition: background .15s, transform .15s;
    }
    .hero-cta:hover { background: var(--accent-dark); transform: translateY(-1px); }
    .hero-cta svg { width: 18px; height: 18px; }
    .hero-cta.secondary {
      background: transparent;
      color: var(--fg);
      border: 1px solid var(--fg);
    }
    .hero-cta.secondary:hover { background: var(--fg); color: #fff; transform: translateY(-1px); }

    .hero-pillars {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 72px;
      padding-top: 48px;
      border-top: 1px solid var(--border);
    }
    .pillar-num {
      font-family: 'Inter', sans-serif;
      font-size: 14px;
      font-weight: 900;
      color: var(--accent);
      letter-spacing: 0.05em;
      margin-bottom: 16px;
    }
    .pillar-text {
      font-family: 'Inter', sans-serif;
      font-size: clamp(18px, 2vw, 22px);
      font-weight: 700;
      line-height: 1.25;
      color: var(--fg);
      letter-spacing: -0.01em;
    }
    @media (max-width: 768px) {
      .hero-pillars { grid-template-columns: 1fr; gap: 28px; }
    }

    /* ---------- About ---------- */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 80px;
      align-items: start;
    }
    .about-text p + p { margin-top: 20px; }
    .about-list {
      list-style: none;
      display: grid;
      gap: 20px;
    }
    .about-list li {
      display: grid;
      grid-template-columns: 40px 1fr;
      gap: 16px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border);
    }
    .about-list li:last-child { border-bottom: 0; padding-bottom: 0; }
    .about-list .num {
      font-family: 'Inter', sans-serif;
      font-weight: 900;
      color: var(--accent);
      font-size: 18px;
    }
    .about-list h3 { font-size: 17px; margin-bottom: 6px; }
    .about-list p { font-size: 15px; color: var(--fg-muted); }
    @media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 48px; } }

    /* ---------- Competencies ---------- */
    .comp-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
    }
    .comp-col h3 {
      font-family: 'Inter', sans-serif;
      font-size: 14px;
      font-weight: 900;
      color: var(--accent);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding-bottom: 16px;
      margin-bottom: 20px;
      border-bottom: 2px solid var(--accent);
    }
    .comp-col h3::before { content: '> '; }
    .comp-col ul { list-style: none; display: grid; gap: 20px; }
    .comp-col li {
      display: grid;
      grid-template-columns: 36px 1fr;
      gap: 10px;
    }
    .comp-num {
      font-family: 'Inter', sans-serif;
      font-weight: 900;
      font-size: 13px;
      color: var(--fg-muted);
    }
    .comp-text {
      font-size: 15px;
      line-height: 1.45;
      color: var(--fg);
      font-weight: 500;
    }
    @media (max-width: 900px) {
      .comp-grid { grid-template-columns: 1fr; gap: 32px; }
    }

    /* ---------- Solutions ---------- */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 36px 28px;
      transition: border-color .15s, transform .15s, box-shadow .15s;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(255,75,75,0.06); }
    .card-cat {
      font-family: 'Inter', sans-serif;
      font-weight: 900;
      color: var(--accent);
      font-size: 13px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }
    .card-cat::before { content: '> '; }
    .card h3 { font-size: 22px; }
    .card-slogan {
      font-size: 17px;
      font-weight: 500;
      color: var(--fg);
      margin-top: -10px;
      line-height: 1.35;
      letter-spacing: -0.01em;
    }
    .card p { color: var(--fg-muted); font-size: 15px; }
    @media (max-width: 980px) { .solutions-grid { grid-template-columns: 1fr; } }

    /* ---------- Team ---------- */
    .team-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .person {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .person-photo {
      aspect-ratio: 4 / 5;
      background: linear-gradient(135deg, #f0f0ed, #e0e0dc);
      border-radius: var(--radius);
      position: relative;
      overflow: hidden;
    }
    .person-photo::after {
      content: '';
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      width: 40%;
      height: 40%;
      background: radial-gradient(circle, rgba(255,75,75,0.1), transparent);
    }
    .person.lead .person-photo {
      background: linear-gradient(135deg, #1a1a1a, #0a0a0a);
    }
    .person.lead .person-photo::after {
      background: radial-gradient(circle, rgba(255,75,75,0.35), transparent);
    }
    .person h3 { font-size: 17px; }
    .person .role { font-size: 14px; color: var(--fg-muted); }
    .person .bio { font-size: 13px; color: var(--fg-muted); line-height: 1.5; }
    @media (max-width: 900px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 480px) { .team-grid { grid-template-columns: 1fr; } }

    /* ---------- Publications ---------- */
    .pub-list {
      display: grid;
      gap: 0;
    }
    .pub {
      display: grid;
      grid-template-columns: 80px 1fr auto;
      gap: 32px;
      padding: 28px 0;
      border-top: 1px solid var(--border);
      align-items: start;
    }
    .pub:last-child { border-bottom: 1px solid var(--border); }
    .pub-year {
      font-family: 'Inter', sans-serif;
      font-weight: 900;
      font-size: 22px;
      color: var(--accent);
    }
    .pub-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--fg);
      margin-bottom: 6px;
      line-height: 1.35;
    }
    .pub-meta {
      font-size: 14px;
      color: var(--fg-muted);
    }
    .pub-link {
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      white-space: nowrap;
    }
    .pub-link:hover { text-decoration: underline; }
    @media (max-width: 700px) {
      .pub { grid-template-columns: 1fr; gap: 8px; }
      .pub-year { font-size: 16px; }
    }

    /* ---------- News ---------- */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      transition: border-color .15s, transform .15s;
      display: flex;
      flex-direction: column;
      gap: 14px;
      cursor: pointer;
    }
    .news-card:hover { border-color: var(--accent); transform: translateY(-2px); }
    .news-meta {
      display: flex;
      gap: 12px;
      align-items: center;
      font-size: 12px;
      font-family: 'Inter', sans-serif;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }
    .news-cat { color: var(--accent); }
    .news-date { color: var(--fg-muted); }
    .news-title {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--fg);
      letter-spacing: -0.01em;
    }
    .news-lead {
      font-size: 14px;
      color: var(--fg-muted);
      line-height: 1.5;
    }
    .news-more {
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
      margin-top: auto;
    }
    .news-more::after { content: ' →'; }
    .news-sources {
      font-size: 12px;
      color: var(--fg-muted);
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px solid var(--border);
    }
    .news-sources a {
      color: var(--fg-muted);
      text-decoration: underline;
      text-decoration-color: var(--border);
      text-underline-offset: 2px;
    }
    .news-sources a:hover { color: var(--accent); text-decoration-color: var(--accent); }
    .news-source-sep { margin: 0 6px; }
    @media (max-width: 900px) { .news-grid { grid-template-columns: 1fr; } }

    /* ---------- Footer / contacts ---------- */
    footer {
      background: #0a0a0a;
      color: #fff;
      padding: 80px 0 32px;
    }
    footer .kicker { color: var(--accent); }
    footer h2 { color: #fff; margin-bottom: 32px; }

    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 64px;
      margin-bottom: 64px;
    }
    .contact-lead {
      font-size: clamp(20px, 2.2vw, 28px);
      line-height: 1.35;
      color: #fff;
      max-width: 480px;
    }
    .contact-info { display: grid; gap: 24px; }
    .contact-item .label {
      font-family: 'Inter', sans-serif;
      font-size: 12px;
      color: var(--accent);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .contact-item a,
    .contact-item p { color: #fff; font-size: 17px; font-weight: 500; }
    .contact-item a:hover { color: var(--accent); }
    @media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; gap: 48px; } }

    .footer-logo { margin-top: 48px; margin-bottom: 32px; }
    .footer-logo img { height: 32px; width: auto; opacity: 0.9; }

    .footer-bottom {
      border-top: 1px solid #222;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #666;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* ---------- Fade-in on scroll ---------- */
    .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease-out, transform .6s ease-out; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

    /* ---------- Product card clickable hint ---------- */
    .card[data-product] { cursor: pointer; position: relative; }
    .card-open-hint {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      margin-top: auto;
      padding-top: 8px;
    }
    .card-open-hint::after { content: '→'; transition: transform .15s; }
    .card[data-product]:hover .card-open-hint::after { transform: translateX(4px); }

    /* ---------- Slide modal ---------- */
    .modal-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(10, 10, 10, 0.92);
      z-index: 100;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 40px 24px;
    }
    .modal-backdrop.open { display: flex; }
    .modal-box {
      background: #fff;
      border-radius: 6px;
      max-width: 1200px;
      width: 100%;
      max-height: calc(100vh - 80px);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      position: relative;
    }
    .modal-header {
      padding: 20px 28px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }
    .modal-title {
      font-family: 'Inter', sans-serif;
      font-weight: 900;
      font-size: 20px;
      letter-spacing: -0.01em;
      color: var(--fg);
    }
    .modal-subtitle {
      font-size: 13px;
      color: var(--fg-muted);
      margin-top: 2px;
      font-style: italic;
    }
    .modal-counter {
      font-family: 'Inter', sans-serif;
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.05em;
    }
    .modal-close {
      background: none;
      border: 0;
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--fg);
      border-radius: 4px;
      transition: background .15s;
    }
    .modal-close:hover { background: var(--bg-muted); color: var(--accent); }
    .modal-close svg { width: 22px; height: 22px; }

    .modal-stage {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #f4f4f1;
      min-height: 300px;
      overflow: auto;
    }
    .modal-stage img {
      max-width: 100%;
      max-height: calc(100vh - 240px);
      object-fit: contain;
      user-select: none;
      -webkit-user-drag: none;
    }

    .modal-nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 28px;
      border-top: 1px solid var(--border);
      gap: 16px;
    }
    .modal-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 18px;
      border: 1px solid var(--border);
      background: #fff;
      border-radius: var(--radius);
      font-family: 'Inter', sans-serif;
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      color: var(--fg);
      transition: border-color .15s, color .15s, background .15s;
    }
    .modal-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
    .modal-btn:disabled { opacity: 0.35; cursor: not-allowed; }
    .modal-btn svg { width: 16px; height: 16px; }

    .modal-dots {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .modal-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--border);
      cursor: pointer;
      transition: background .15s, transform .15s;
      border: 0;
      padding: 0;
    }
    .modal-dot.active { background: var(--accent); transform: scale(1.3); }
    .modal-dot:hover { background: var(--accent); }

    @media (max-width: 700px) {
      .modal-box { max-height: calc(100vh - 60px); }
      .modal-header { padding: 14px 18px; }
      .modal-title { font-size: 16px; }
      .modal-nav { padding: 12px 18px; flex-wrap: wrap; }
      .modal-btn span { display: none; }
      .modal-dots { order: 3; width: 100%; }
    }

    body.modal-open { overflow: hidden; }

    /* ---------- News loading state ---------- */
    .news-empty {
      grid-column: 1 / -1;
      padding: 32px;
      text-align: center;
      color: var(--fg-muted);
      font-size: 14px;
      border: 1px dashed var(--border);
      border-radius: var(--radius);
    }

    /* ---------- Section placeholder ---------- */
    .section-placeholder {
      padding: 64px 32px;
      text-align: center;
      color: var(--fg-muted);
      font-size: 15px;
      border: 1px dashed var(--border);
      border-radius: var(--radius);
      background: var(--bg);
    }
    .section-placeholder-label {
      display: inline-block;
      font-family: 'Inter', sans-serif;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
    }

    /* ---------- Document list (на /product/) ---------- */
    .doc-section-sub {
      font-size: 15px;
      color: var(--fg-muted);
      max-width: 680px;
      margin-top: -32px;
      margin-bottom: 36px;
      line-height: 1.5;
    }
    .doc-list {
      display: grid;
      gap: 12px;
    }
    .doc-item {
      display: grid;
      grid-template-columns: 48px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px 24px;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: #fff;
      transition: border-color .15s, transform .15s;
      text-decoration: none;
      color: inherit;
    }
    a.doc-item:hover, .doc-item.available:hover {
      border-color: var(--accent);
      transform: translateY(-1px);
    }
    .doc-icon {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--fg-muted);
      background: var(--bg-muted);
      border-radius: 6px;
    }
    .doc-icon svg { width: 22px; height: 22px; }
    .doc-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--fg);
      line-height: 1.35;
      margin-bottom: 2px;
    }
    .doc-meta {
      font-size: 13px;
      color: var(--fg-muted);
    }
    .doc-status {
      font-size: 12px;
      color: var(--fg-muted);
      background: var(--bg-muted);
      padding: 6px 14px;
      border-radius: 100px;
      white-space: nowrap;
      font-weight: 500;
    }
    .doc-download {
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
      white-space: nowrap;
    }
    .doc-download::after { content: ' →'; }
    @media (max-width: 640px) {
      .doc-item { grid-template-columns: 40px 1fr; padding: 16px; gap: 14px; }
      .doc-item .doc-status, .doc-item .doc-download { grid-column: 2; justify-self: start; margin-top: 6px; }
      .doc-icon { width: 36px; height: 36px; }
      .doc-icon svg { width: 18px; height: 18px; }
    }