body { min-height: 100%; width: 100vw; background: #080b14; overflow-x: hidden; margin: 0; padding: 0; }
    [data-theme="light"] body { background: #fafbff; }
    .grid-bg, .glow-orb { display: none; }

    main.page-frame {
      background: rgba(10,14,28,.48) !important;
      backdrop-filter: none !important;
      -webkit-backdrop-filter: none !important;
    }
    [data-theme="light"] main.page-frame { background: transparent !important; }
    main.page-frame::before { left: 0 !important; right: 0 !important; }
    [data-theme="light"] .about-side-rack { opacity: .18; }

    #hero-nav {
      max-width: 100% !important;
      padding: 0 !important;
      margin: 0 !important;
      width: 100% !important;
    }

    /* ── Page heading (как на «Контакты») ── */
    .ct-heading {
      text-align: center;
      padding: 16px 40px 10px !important;
      position: relative; z-index: 1;
      width: 100%; box-sizing: border-box;
    }
    .ct-heading h1 {
      font-size: clamp(28px, 3.2vw, 48px);
      font-weight: 900; line-height: 1.1;
      letter-spacing: -1.5px; margin: 0 0 14px;
    }
    .ct-heading h1 .grad {
      background: linear-gradient(90deg, #00bcef, #00dbfd, #733cfc);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .ct-heading-sub {
      font-size: 16px; color: var(--muted); max-width: 560px;
      margin: 0 auto 24px; line-height: 1.6;
    }
    [data-theme="light"] .ct-heading h1 .grad {
      background: linear-gradient(90deg, #6132f2, #733cfc);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }

    /* ── Blog content ── */
    #blog {
      padding: 0 40px 80px !important;
      width: 100%; box-sizing: border-box;
      position: relative; z-index: 1;
    }
    .blog-inner {
      max-width: 1140px;
      margin: 0 auto;
    }

    .blog-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 24px;
      margin-top: 32px;
    }
    .blog-card {
      background: rgba(14,19,36,.72);
      backdrop-filter: blur(20px) saturate(140%);
      -webkit-backdrop-filter: blur(20px) saturate(140%);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 20px;
      overflow: hidden; transition: transform .2s, border-color .2s; cursor: pointer;
      text-decoration: none; color: inherit; display: flex; flex-direction: column;
    }
    .blog-card:hover { transform: translateY(-4px); border-color: rgba(0,212,255,.35); }
    .blog-card-img {
      width: 100%;
      height: clamp(190px, 18vw, 220px);
      flex: 0 0 clamp(190px, 18vw, 220px);
      overflow: hidden;
      background: linear-gradient(135deg, #0d1829, #1a2436);
      display: flex; align-items: center; justify-content: center; font-size: 48px;
    }
    .blog-card-img img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
    .blog-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
    .blog-card-tag {
      display: inline-block; padding: 4px 12px; border-radius: 20px;
      background: rgba(0,212,255,.12); color: var(--accent);
      font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px;
      margin-bottom: 12px;
    }
    .blog-card-title { font-size: 18px; font-weight: 800; margin-bottom: 10px; line-height: 1.35; }
    .blog-card-excerpt { font-size: 14px; color: var(--muted); line-height: 1.6; flex: 1; }
    .blog-card-footer {
      display: flex; align-items: center; justify-content: space-between;
      margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
    }
    .blog-card-date { font-size: 12px; color: var(--muted); }
    .blog-card-link { font-size: 13px; font-weight: 700; color: var(--accent); text-decoration: none; }

    .blog-empty {
      text-align: center; padding: 80px 20px; color: var(--muted);
      grid-column: 1 / -1;
    }
    .blog-empty h3 { font-size: 20px; margin-bottom: 8px; color: var(--text); }

    .submit-cta {
      margin: 0;
      background: rgba(14,19,36,.72);
      backdrop-filter: blur(20px) saturate(140%);
      -webkit-backdrop-filter: blur(20px) saturate(140%);
      border: 1px solid rgba(0,212,255,.15);
      border-radius: 20px;
      padding: 36px 40px; display: flex; align-items: center;
      justify-content: space-between; gap: 24px; flex-wrap: wrap;
    }
    .submit-cta-text h3 { font-size: 20px; font-weight: 900; margin-bottom: 6px; }
    .submit-cta-text p  { font-size: 14px; color: var(--muted); }
    .btn-submit-article {
      flex-shrink: 0;
      background: var(--cta-bg);
      color: #fff; font-weight: 800; font-size: 14px; padding: 13px 28px;
      border-radius: 12px; border: 1px solid var(--cta-border); cursor: pointer; font-family: inherit;
      transition: .2s; white-space: nowrap;
      box-shadow: var(--cta-shadow);
      text-shadow: 0 1px 1px rgba(0,0,0,.28);
    }
    .btn-submit-article:hover { background: var(--cta-bg-hover); box-shadow: var(--cta-shadow-hover); transform: translateY(-1px); }

    /* Light theme */
    [data-theme="light"] .blog-card,
    [data-theme="light"] .submit-cta {
      background: rgba(255,255,255,.88) !important;
      border-color: rgba(0,20,60,.12) !important;
    }
    [data-theme="light"] .blog-card-tag { color: var(--accent-text); background: rgba(97,50,242,.1); }
    [data-theme="light"] .blog-card-link { color: var(--accent-text); }
    [data-theme="light"] .blog-card:hover { border-color: rgba(97,50,242,.3); box-shadow: 0 4px 20px rgba(0,0,0,.08); }

    /* ── Submit modal ── */
    .submit-overlay {
      display: none; position: fixed; inset: 0; z-index: 1000;
      background: rgba(0,0,0,.7); backdrop-filter: blur(8px);
      align-items: center; justify-content: center; padding: 20px;
    }
    .submit-overlay.open { display: flex; }
    .submit-modal {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 20px; padding: 36px; width: 100%; max-width: 600px;
      max-height: 90vh; overflow-y: auto;
      box-shadow: 0 32px 80px rgba(0,0,0,.6);
    }
    .submit-modal-header {
      display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px;
    }
    .submit-modal-title { font-size: 20px; font-weight: 900; }
    .submit-modal-close {
      background: none; border: none; color: var(--muted); font-size: 20px;
      cursor: pointer; padding: 4px 8px; border-radius: 8px; transition: .2s; line-height: 1;
    }
    .submit-modal-close:hover { color: var(--text); background: rgba(255,255,255,.06); }
    .sm-field { margin-bottom: 14px; }
    .sm-field label {
      display: block; font-size: 12px; font-weight: 700; color: var(--muted);
      text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px;
    }
    .sm-field input, .sm-field textarea {
      width: 100%; box-sizing: border-box;
      background: rgba(255,255,255,.05); border: 1px solid var(--border);
      border-radius: 10px; padding: 12px 16px; color: var(--text); font-size: 14px;
      font-family: inherit; outline: none; transition: .2s; resize: vertical;
    }
    .sm-field input:focus, .sm-field textarea:focus { border-color: rgba(0,212,255,.4); }
    .sm-field textarea { min-height: 200px; }
    .sm-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .sm-note { font-size: 12px; color: var(--muted); margin-bottom: 18px; line-height: 1.5; }
    .sm-submit {
      width: 100%; background: var(--cta-bg);
      color: #fff; border: 1px solid var(--cta-border); border-radius: 12px; padding: 14px;
      font-weight: 800; font-size: 15px; cursor: pointer; font-family: inherit; transition: .2s;
      box-shadow: var(--cta-shadow);
      text-shadow: 0 1px 1px rgba(0,0,0,.28);
    }
    .sm-submit:hover { background: var(--cta-bg-hover); box-shadow: var(--cta-shadow-hover); transform: translateY(-1px); }
    .sm-msg { font-size: 13px; margin-top: 12px; text-align: center; min-height: 20px; }
    .sm-msg.ok  { color: #4ade80; }
    .sm-msg.err { color: #ff6b6b; }

    @media (max-width: 900px) {
      .ct-heading { padding: 24px 20px 12px !important; }
      .ct-heading h1 { font-size: clamp(26px, 6.5vw, 36px); }
      .ct-heading-sub { font-size: 15px; margin-bottom: 20px; }
      #blog { padding: 0 20px 56px !important; }
      .submit-cta {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: 28px 22px;
        gap: 18px;
      }
      .btn-submit-article { width: 100%; }
    }
    @media (max-width: 560px) {
      .ct-heading { padding: 20px 16px 10px !important; }
      #blog { padding: 0 16px 40px !important; }
      .sm-row { grid-template-columns: 1fr; }
      .blog-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 24px; }
      .blog-card-img {
        height: 200px;
        flex-basis: 200px;
      }
      .blog-card-body { padding: 18px; }
      .submit-modal {
        padding: 24px 18px;
        border-radius: 16px;
        max-height: calc(100vh - 32px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
      }
      .submit-overlay { padding: 12px; align-items: flex-end; }
    }

    /* ── Side server racks (как на «Контакты») ── */
    .about-side-rack {
      position: fixed; top: 0; height: 100vh; width: 340px;
      pointer-events: none; z-index: 0; opacity: .9;
    }
    .about-side-rack-left  { left: 0; }
    .about-side-rack-right { right: 0; }
    .about-side-rack canvas { display: block; width: 340px; height: 100%; }
    .about-side-rack-left canvas {
      -webkit-mask-image: linear-gradient(to right, transparent 0%, black 45%);
      mask-image: linear-gradient(to right, transparent 0%, black 45%);
    }
    .about-side-rack-right canvas {
      -webkit-mask-image: linear-gradient(to left, transparent 0%, black 45%);
      mask-image: linear-gradient(to left, transparent 0%, black 45%);
    }
    @media (max-width: 1480px) { .about-side-rack { opacity: .65; } }
    @media (max-width: 1240px) { .about-side-rack { display: none; } }