:root {
      --bg: #0f172a;
      --card: rgba(255,255,255,.06);
      --line: rgba(255,255,255,.14);
      --text: #f8fafc;
      --muted: #cbd5e1;

      --accent: #22c55e;
      --wb: #a855f7;
      --wb-2: #7e22ce;
      --wb-text: #fdf4ff;
      --wb-glow: rgba(168,85,247,.28);

      --ozon: #38bdf8;
      --ozon-2: #2563eb;
      --ozon-text: #eff6ff;
      --ozon-glow: rgba(56,189,248,.26);

      --shadow: 0 12px 40px rgba(0, 0, 0, .25);
      --radius: 18px;
      --radius-lg: 24px;
      --max: 1180px;
    }

    * { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; }

    body {
      font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(900px 500px at 10% -10%, rgba(34,197,94,.20), transparent 60%),
        radial-gradient(700px 400px at 100% 0%, rgba(59,130,246,.16), transparent 60%),
        linear-gradient(180deg, #0b1220 0%, #0f172a 45%, #0b1220 100%);
      line-height: 1.6;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }

    .container {
      width: min(var(--max), calc(100% - 32px));
      margin: 0 auto;
    }

    .header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(8,12,22,.45);
      border-bottom: 1px solid rgba(255,255,255,.05);
    }

    .header-inner {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 10px 0;
      flex-wrap: wrap;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: inherit;
      font-weight: 800;
    }

    .brand-logo {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      background:
        radial-gradient(circle at 70% 30%, rgba(255,255,255,.7), transparent 35%),
        linear-gradient(135deg, #22c55e 0%, #16a34a 55%, #14532d 100%);
      display: grid;
      place-items: center;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.15), 0 10px 22px rgba(34,197,94,.22);
      font-size: 19px;
    }

    .nav {
      display: flex;
      gap: 12px;
      align-items: center;
      flex-wrap: wrap;
    }

    .nav a.link {
      color: var(--muted);
      padding: 8px 10px;
      border-radius: 10px;
      font-size: 14px;
    }

    .nav a.link:hover,
    .nav a.link.active {
      background: rgba(255,255,255,.04);
      color: var(--text);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      border: 1px solid transparent;
      font-weight: 700;
      padding: 12px 18px;
      border-radius: 12px;
      transition: .2s ease;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-1px);
      filter: brightness(1.03);
    }

    .btn-wb {
      background: linear-gradient(180deg, var(--wb), var(--wb-2));
      color: var(--wb-text);
      box-shadow: 0 8px 18px var(--wb-glow);
    }

    .btn-ozon {
      background: linear-gradient(180deg, var(--ozon), var(--ozon-2));
      color: var(--ozon-text);
      box-shadow: 0 8px 18px var(--ozon-glow);
    }

    main { padding: 28px 0; }

    .section-title {
      font-size: clamp(28px, 4vw, 40px);
      margin: 0 0 10px;
      line-height: 1.1;
      letter-spacing: -.02em;
    }

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

    .card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: var(--shadow);
    }

    .article-grid {
      display: grid;
      gap: 14px;
    }

    .article-card {
      background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 18px;
      box-shadow: var(--shadow);
    }

    .article-date {
      color: #94a3b8;
      font-size: 13px;
      margin-bottom: 8px;
    }

    .article-title {
      margin: 0 0 8px;
      font-size: 22px;
      line-height: 1.2;
    }

    .article-excerpt {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 15px;
    }

    .article-content {
      color: var(--muted);
      font-size: 16px;
    }

    .article-content h2,
    .article-content h3 {
      color: var(--text);
    }

    .article-content img {
      border-radius: 16px;
      margin: 16px 0;
    }

    @media (max-width: 980px) {
      .header {
        position: static;
      }

      .header-inner {
        align-items: flex-start;
      }

      .nav {
        gap: 8px;
      }

      .nav a.link {
        font-size: 13px;
        padding: 6px 8px;
      }
    }

    @media (max-width: 560px) {
      .header-inner {
        min-height: 66px;
      }

      .brand span:last-child {
        display: none;
      }

      .btn {
        width: 100%;
      }
    }