*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --navy:    #0a1628;
      --accent:  #f05a28;
      --accent2: #d44a1a;
      --white:   #ffffff;
      --off:     #f7f8fa;
      --muted:   #8a93a3;
      --border-dark: rgba(255,255,255,0.08);
      --border-light: #e8eaee;
      --text:    #1a2336;
      --text2:   #5a6478;
      --mono:    'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', sans-serif;
      background: var(--off);
      color: var(--text);
      -webkit-font-smoothing: antialiased;
      line-height: 1.5;
    }

    /* ── TOP BAR ── */
    .topbar {
      background: var(--navy);
      padding: 10px 32px;
      display: flex; align-items: center; justify-content: space-between;
      border-bottom: 1px solid var(--border-dark);
    }
    .topbar-left { display: flex; align-items: center; gap: 14px; }
    .topbar-logo-img {
      height: 22px; width: auto;
      
      opacity: 0.85;
    }
    .topbar-sep { width: 1px; height: 16px; background: rgba(255,255,255,0.15); }
    .topbar-product {
      font-size: 12px; font-weight: 400; color: var(--muted);
      letter-spacing: 0.04em;
    }
    .topbar-right { display: flex; align-items: center; gap: 24px; }
    .topbar-link {
      font-size: 11px; font-weight: 500; letter-spacing: 0.08em;
      text-transform: uppercase; color: var(--muted);
      text-decoration: none; transition: color 0.15s;
    }
    .topbar-link:hover { color: var(--white); }

    /* ── LANGUAGE SWITCHER ── */
    .lang-switch {
      position: relative;
      display: inline-flex;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .lang-switch__current {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--muted);
      padding: 4px 0;
      transition: color 0.15s;
    }
    .lang-switch:hover .lang-switch__current { color: var(--white); }
    .lang-switch__current abbr {
      text-decoration: none;
      border: none;
      font-variant: none;
      letter-spacing: 0.08em;
    }
    .lang-switch__chevron {
      width: 12px; height: 12px;
      fill: currentColor;
      transition: transform 0.2s ease;
      flex-shrink: 0;
    }
    .lang-switch.open .lang-switch__chevron {
      transform: rotate(180deg);
    }
    .lang-switch__list {
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      background: var(--navy);
      border: 1px solid var(--border-dark);
      border-radius: 4px;
      padding: 6px 0;
      min-width: 80px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-4px);
      transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
      z-index: 100;
      box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    }
    .lang-switch.open .lang-switch__list {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .lang-switch__item {
      display: block;
    }
    .lang-switch__link {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--muted);
      text-decoration: none;
      transition: color 0.15s, background 0.15s;
    }
    .lang-switch__link:hover {
      color: var(--white);
      background: rgba(255,255,255,0.05);
    }
    .lang-switch__link abbr {
      text-decoration: none;
      border: none;
    }
    .lang-switch__link.active {
      color: var(--accent);
      pointer-events: none;
    }

    /* ── MAIN LAYOUT ── */
    .main {
      max-width: 760px;
      margin: 0 auto;
      padding: 48px 24px 80px;
    }

    /* ── HEADER ── */
    .header { margin-bottom: 40px; }
    .header-eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 10px; font-weight: 600; letter-spacing: 0.18em;
      text-transform: uppercase; color: var(--accent);
      margin-bottom: 16px;
    }
    .header-eyebrow::before {
      content: '';
      width: 6px; height: 6px;
      background: var(--accent);
      border-radius: 50%;
      animation: pulse-dot 2.5s ease-in-out infinite;
    }
    @keyframes pulse-dot {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }
    .header h1 {
      font-size: clamp(28px, 4vw, 42px);
      font-weight: 700; line-height: 1.12; letter-spacing: -0.02em;
      color: var(--text);
      margin-bottom: 12px;
    }
    .header p {
      font-size: 15px; font-weight: 300; line-height: 1.7;
      color: var(--text2);
      max-width: 540px;
    }

    /* ── SERVER IMAGE ── */
    .server-img-wrap {
      margin-bottom: 40px;
      border-radius: 4px;
      overflow: hidden;
      border: 1px solid var(--border-light);
      background: var(--navy);
    }
    .server-img-wrap img {
      width: 100%; height: auto; display: block;
      object-fit: cover;
      max-height: 340px;
      opacity: 0.85;
    }

    /* ── DOWNLOAD PANEL ── */
    .dl-panel {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: 4px;
      overflow: hidden;
      margin-bottom: 32px;
    }
    .dl-panel-header {
      padding: 16px 24px;
      background: var(--navy);
      display: flex; align-items: center; justify-content: space-between;
    }
    .dl-panel-header h2 {
      font-size: 12px; font-weight: 600; letter-spacing: 0.14em;
      text-transform: uppercase; color: rgba(255,255,255,0.9);
    }
    .dl-panel-header .badge {
      font-size: 9px; font-weight: 700; letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 3px 10px;
      background: rgba(240,90,40,0.15);
      color: var(--accent);
      border: 1px solid rgba(240,90,40,0.3);
      border-radius: 2px;
    }
    .dl-panel-body { padding: 24px; }

    .dl-meta {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 0;
      border: 1px solid var(--border-light);
      margin-bottom: 24px;
    }
    .dl-meta-item {
      padding: 14px 16px;
      border-right: 1px solid var(--border-light);
    }
    .dl-meta-item:last-child { border-right: none; }
    .dl-meta-item .label {
      font-size: 9px; font-weight: 600; letter-spacing: 0.12em;
      text-transform: uppercase; color: var(--muted); margin-bottom: 4px;
    }
    .dl-meta-item .value {
      font-size: 14px; font-weight: 600; color: var(--text);
      font-family: var(--mono);
    }

    .dl-platforms {
      display: flex; flex-direction: column; gap: 8px;
      margin-bottom: 24px;
    }
    .platform-row {
      display: flex; align-items: center; justify-content: space-between;
      padding: 12px 16px;
      border: 1px solid var(--border-light);
      border-radius: 3px;
      cursor: pointer;
      transition: border-color 0.2s, background 0.2s;
    }
    .platform-row:hover {
      border-color: var(--accent);
      background: color-mix(in srgb, var(--accent) 3%, var(--white));
    }
    .platform-row-left {
      display: flex; align-items: center; gap: 12px;
    }
    .platform-icon {
      width: 28px; height: 28px;
      display: flex; align-items: center; justify-content: center;
      font-size: 16px;
    }
    .platform-name {
      font-size: 13px; font-weight: 500; color: var(--text);
    }
    .platform-arch {
      font-size: 11px; font-weight: 400; color: var(--muted);
      font-family: var(--mono);
      margin-top: 1px;
    }
    .platform-action {
      font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
      text-transform: uppercase; color: var(--accent);
      display: flex; align-items: center; gap: 6px;
    }
    .platform-action .arrow { transition: transform 0.2s; }
    .platform-row:hover .platform-action .arrow { transform: translateX(3px); }

    /* ── DOWNLOAD BUTTON SPINNER ── */
    .platform-row .btn-spinner {
      width: 14px; height: 14px;
      border: 2px solid rgba(240,90,40,0.2);
      border-top-color: var(--accent);
      border-radius: 50%;
      animation: spin-smooth 0.8s linear infinite;
      flex-shrink: 0;
    }
    .platform-row:not(.ready) .btn-spinner { display: block; }
    .platform-row.ready .btn-spinner { display: none; }
    .platform-row:not(.ready) { pointer-events: none; }
    .platform-row:not(.ready) .platform-action-text { display: none; }
    .platform-row.ready .platform-action-text { display: inline; }

    @keyframes spin-smooth {
      to { transform: rotate(360deg); }
    }

    .dl-notice {
      font-size: 11px; color: var(--muted);
      padding-top: 16px;
      border-top: 1px solid var(--border-light);
      line-height: 1.6;
    }
    .dl-notice code {
      font-family: var(--mono);
      font-size: 10px;
      background: var(--off);
      padding: 2px 5px;
      border-radius: 2px;
    }

    /* ── SPECS ── */
    .specs {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: 4px;
      margin-bottom: 32px;
    }
    .specs-header {
      padding: 14px 24px;
      border-bottom: 1px solid var(--border-light);
      font-size: 11px; font-weight: 600; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--muted);
    }
    .specs-grid {
      display: grid; grid-template-columns: 1fr 1fr;
    }
    .spec-item {
      padding: 18px 24px;
      border-right: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .spec-item:nth-child(even) { border-right: none; }
    .spec-item:nth-last-child(-n+2) { border-bottom: none; }
    .spec-item h4 {
      font-size: 14px; font-weight: 600; color: var(--text);
      margin-bottom: 4px;
    }
    .spec-item p {
      font-size: 12px; font-weight: 300; color: var(--text2);
      line-height: 1.6;
    }

    /* ── CHANGELOG ── */
    .changelog {
      background: var(--white);
      border: 1px solid var(--border-light);
      border-radius: 4px;
      margin-bottom: 32px;
    }
    .changelog-header {
      padding: 14px 24px;
      border-bottom: 1px solid var(--border-light);
      font-size: 11px; font-weight: 600; letter-spacing: 0.14em;
      text-transform: uppercase; color: var(--muted);
    }
    .changelog-body { padding: 20px 24px; }
    .changelog-version {
      font-size: 13px; font-weight: 600; color: var(--text);
      margin-bottom: 10px;
      display: flex; align-items: center; gap: 8px;
    }
    .changelog-version .tag {
      font-size: 9px; font-weight: 700; letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 2px 8px;
      background: color-mix(in srgb, var(--accent) 10%, var(--white));
      color: var(--accent);
      border-radius: 2px;
    }
    .changelog ul { list-style: none; padding: 0; }
    .changelog li {
      font-size: 13px; font-weight: 300; color: var(--text2);
      line-height: 1.7;
      padding-left: 16px;
      position: relative;
    }
    .changelog li::before {
      content: '';
      position: absolute; left: 0; top: 10px;
      width: 4px; height: 4px;
      background: var(--accent);
      border-radius: 50%;
    }

    /* ── CTA ── */
    .cta {
      background: var(--navy);
      border-radius: 4px;
      padding: 32px;
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 20px;
      position: relative; overflow: hidden;
    }
    .cta::before {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(ellipse 60% 100% at 100% 50%, rgba(240,90,40,0.08) 0%, transparent 60%);
      pointer-events: none;
    }
    .cta-text { position: relative; }
    .cta-text h3 {
      font-size: 16px; font-weight: 600; color: var(--white);
      margin-bottom: 4px;
    }
    .cta-text p {
      font-size: 13px; font-weight: 300; color: var(--muted);
    }
    .btn-outline {
      display: inline-flex; align-items: center; gap: 8px;
      border: 1px solid rgba(255,255,255,0.2);
      color: var(--white);
      font-family: 'Inter', sans-serif;
      font-size: 11px; font-weight: 600; letter-spacing: 0.1em;
      text-transform: uppercase;
      background: transparent; border-radius: 2px;
      padding: 12px 24px; cursor: pointer; white-space: nowrap;
      text-decoration: none;
      transition: border-color 0.2s, background 0.2s;
      position: relative;
    }
    .btn-outline:hover { border-color: var(--accent); background: rgba(240,90,40,0.08); }

    /* ── FOOTER ── */
    footer {
      padding: 24px 32px;
      border-top: 1px solid var(--border-light);
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 12px;
    }
    .footer-inner {
      /* max-width: 760px; */
      margin: 0 auto;
      width: 100%;
      display: flex; align-items: center; justify-content: space-between;
      flex-wrap: wrap; gap: 12px;
    }
    .footer-left { display: flex; align-items: center; gap: 14px; }
    .footer-logo-img { height: 18px; width: auto; opacity: 0.6; }
    .footer-sep { width: 1px; height: 14px; background: var(--border-light); }
    .footer-sub { font-size: 11px; color: var(--muted); letter-spacing: 0.03em; }
    .footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
    .footer-links a {
      font-size: 11px; font-weight: 500; letter-spacing: 0.06em;
      text-transform: uppercase; color: var(--muted);
      text-decoration: none; transition: color 0.15s;
    }
    .footer-links a:hover { color: var(--text); }

    /* ── PAGE LOADER ── */
    #page-loader {
      position: fixed; inset: 0; z-index: 500;
      background: var(--off);
      display: flex; align-items: center; justify-content: center;
      transition: opacity 0.2s ease;
    }
    #page-loader.hiding { opacity: 0; pointer-events: none; }
    .load-ring {
      width: 28px; height: 28px; border-radius: 50%;
      border: 2.5px solid var(--border-light);
      border-top-color: var(--accent);
      animation: spin-smooth 0.9s linear infinite;
    }
    body.loading .main,
    body.loading .topbar,
    body.loading footer { visibility: hidden; }

    /* ── SECTION REVEAL with per-section spinner ── */
    .section-wrap {
      position: relative;
    }
    .section-wrap .content {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.5s ease, transform 0.5s ease;
    }
    .section-wrap.loaded .content {
      opacity: 1;
      transform: none;
    }
    .section-wrap .section-loader {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 32px 0;
    }
    .section-wrap .section-loader .sec-ring {
      width: 20px; height: 20px; border-radius: 50%;
      border: 2px solid var(--border-light);
      border-top-color: var(--accent);
      animation: spin-smooth 0.8s linear infinite;
    }
    .section-wrap.loaded .section-loader {
      display: none;
    }

    @media (max-width: 600px) {
      .topbar { padding: 10px 16px; }
      .topbar-right { gap: 16px; flex-wrap: wrap; }
      .topbar-link { font-size: 10px; }
      .lang-switch__list { right: -8px; }
      .main { padding: 32px 16px 60px; }
      footer { padding: 24px 16px; }
      .dl-meta { grid-template-columns: 1fr; }
      .dl-meta-item { border-right: none; border-bottom: 1px solid var(--border-light); }
      .dl-meta-item:last-child { border-bottom: none; }
      .specs-grid { grid-template-columns: 1fr; }
      .spec-item { border-right: none !important; }
      .cta { flex-direction: column; align-items: flex-start; }
      .footer-left { flex-direction: column; align-items: flex-start; gap: 4px; }
      .footer-sep { display: none; }
    }