*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.6;
      overflow-x: hidden;
    }
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 9999;
      opacity: 0.4;
    }
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: var(--bg); }
    ::-webkit-scrollbar-thumb { background: var(--orange-dim); border-radius: 2px; }

    .it-only, .en-only { display: none; }
    html[data-lang="it"] .it-only,
    html[data-lang="en"] .en-only { display: initial; }
    html[data-lang="it"] p.it-only,
    html[data-lang="en"] p.en-only,
    html[data-lang="it"] div.it-only,
    html[data-lang="en"] div.en-only,
    html[data-lang="it"] h1.it-only,
    html[data-lang="en"] h1.en-only,
    html[data-lang="it"] h2.it-only,
    html[data-lang="en"] h2.en-only,
    html[data-lang="it"] label.it-only,
    html[data-lang="en"] label.en-only,
    html[data-lang="it"] span.it-only,
    html[data-lang="en"] span.en-only { display: block; }
    html[data-lang="it"] a.it-only,
    html[data-lang="en"] a.en-only,
    html[data-lang="it"] button .it-only,
    html[data-lang="en"] button .en-only { display: inline; }

    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      padding: calc(18px + var(--safe-top)) 5% 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(1, 2, 7, 0.7);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-subtle);
      transition: all 0.3s;
    }
    nav.scrolled {
      padding: calc(12px + var(--safe-top)) 5% 12px;
      background: rgba(1, 2, 7, 0.92);
    }
    .nav-logo {
      font-family: var(--font-display);
      font-size: 22px;
      font-weight: 800;
      color: var(--text);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-logo span { color: var(--orange); }
    .nav-right { display: flex; align-items: center; gap: 14px; }
    .lang-toggle { display: flex; gap: 4px; align-items: center; }
    .lang-btn {
      font-family: var(--font-mono);
      font-size: 11px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid var(--border-subtle);
      background: transparent;
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s;
    }
    .lang-btn.active, .lang-btn:hover {
      border-color: var(--orange);
      color: var(--orange);
      background: var(--orange-glow);
    }
    .nav-cta {
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 10px 18px;
      border-radius: 6px;
      background: var(--button-gradient);
      color: var(--bg);
      text-decoration: none;
      transition: all 0.2s;
      white-space: nowrap;
    }
    .nav-cta:hover { background: var(--neon-violet); transform: translateY(-1px); box-shadow: 0 6px 24px var(--orange-glow-strong); }

    main {
      min-height: 100vh;
      background:
        radial-gradient(ellipse at 50% 0%, rgba(174, 80, 44, 0.10), transparent 48%),
        linear-gradient(rgba(174, 80, 44, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(174, 80, 44, 0.035) 1px, transparent 1px);
      background-size: auto, 60px 60px, 60px 60px;
    }
    section { padding: 100px 5%; }
    #preview {
      padding-top: 140px;
      display: flex;
      flex-direction: column;
      gap: 40px;
    }
    .preview-hero {
      max-width: 860px;
    }
    .preview-grid {
      display: grid;
      grid-template-columns: minmax(280px, 400px) minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }
    .hero-eyebrow {
      font-family: var(--font-mono);
      font-size: 11px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--orange);
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .hero-eyebrow::before {
      content: '';
      width: 40px;
      height: 1px;
      background: var(--button-gradient);
      opacity: 0.5;
    }
    h1, h2 {
      font-family: var(--font-display);
      font-weight: 800;
      line-height: 1.08;
      letter-spacing: 0;
    }
    h1 {
      font-size: clamp(2.5rem, 5vw, 5.2rem);
      margin-bottom: 24px;
    }
    h2 {
      font-size: clamp(2rem, 4vw, 3.1rem);
      margin-bottom: 16px;
    }
    .accent { color: var(--orange); }
    .section-intro,
    .hero-sub {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 640px;
      line-height: 1.7;
    }
    .tool-card,
    .stream-card,
    .beta-form {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      box-shadow: 0 0 80px rgba(174, 80, 44, 0.05);
    }
    .tool-card {
      padding: 28px;
      margin-top: 0;
    }
    .preview-grid .tool-card.reveal {
      transition-delay: 0.08s;
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 18px;
    }
    .form-group label {
      font-family: var(--font-mono);
      font-size: 11px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
    }
    .form-group input,
    .form-group textarea {
      background: var(--bg3);
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      padding: 14px 16px;
      font-family: var(--font-body);
      font-size: 15px;
      color: var(--text);
      outline: none;
      transition: all 0.2s;
      resize: vertical;
      width: 100%;
    }
    .form-group input[type="file"] {
      font-family: var(--font-mono);
      font-size: 12px;
      cursor: pointer;
    }
    .form-group input:focus,
    .form-group textarea:focus {
      border-color: var(--orange);
      background: var(--bg2);
      box-shadow: 0 0 0 3px var(--orange-glow);
    }
    .form-group input:disabled {
      cursor: not-allowed;
      opacity: 0.45;
    }
    .form-group input::placeholder,
    .form-group textarea::placeholder { color: var(--text-dim); }
    .form-group textarea { min-height: 130px; }

    .btn-primary,
    .btn-ghost,
    .form-submit,
    .toggle-btn {
      font-family: var(--font-mono);
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      border-radius: 8px;
      cursor: pointer;
      transition: all 0.25s;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      text-decoration: none;
      border: none;
    }
    .btn-primary,
    .form-submit {
      background: var(--button-gradient);
      color: var(--bg);
      padding: 15px 20px;
      width: 100%;
    }
    .btn-primary:hover,
    .form-submit:hover:not(:disabled) {
      background: var(--neon-violet);
      transform: translateY(-1px);
      box-shadow: 0 8px 30px var(--orange-glow-strong);
    }
    .btn-ghost,
    .toggle-btn {
      background: transparent;
      color: var(--text-muted);
      border: 1px solid var(--border-subtle);
      padding: 14px 18px;
    }
    .btn-ghost:hover:not(:disabled),
    .toggle-btn:hover:not(:disabled) {
      border-color: var(--orange);
      color: var(--orange);
      background: var(--orange-glow);
    }
    .toggle-btn.active {
      border-color: var(--orange);
      color: var(--bg);
      background: var(--button-gradient);
      box-shadow: 0 0 0 3px var(--orange-glow);
    }
    .btn-primary:disabled,
    .form-submit:disabled,
    .btn-ghost:disabled,
    .toggle-btn:disabled {
      opacity: 0.42;
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
    }
    .control-stack {
      display: grid;
      gap: 12px;
    }
    .load-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      align-items: end;
    }
    .creative-drag-card {
      display: grid;
      gap: 14px;
      padding: 16px;
      border: 1px dashed var(--border-subtle);
      border-radius: 12px;
      background: rgba(255,255,255,0.025);
      color: var(--text-muted);
      cursor: not-allowed;
      user-select: none;
      transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.2s;
    }
    .creative-drag-card.ready {
      cursor: grab;
      touch-action: none;
      border-color: rgba(62, 136, 250, 0.55);
      background: linear-gradient(145deg, rgba(62, 136, 250, 0.08), rgba(162, 94, 252, 0.06));
      box-shadow: 0 0 0 1px rgba(62, 136, 250, 0.08), 0 16px 40px rgba(0,0,0,0.18);
    }
    .creative-drag-card.ready:active,
    .creative-drag-card.dragging {
      cursor: grabbing;
      transform: translateY(-1px);
      border-color: var(--orange);
      box-shadow: 0 0 0 3px var(--orange-glow);
    }
    .creative-drag-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
    }
    .creative-drag-kicker {
      display: block;
      font-family: var(--font-mono);
      font-size: 10px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--orange);
      margin-bottom: 4px;
    }
    #creativeName {
      display: block;
      color: var(--text);
      font-family: var(--font-display);
      font-size: 16px;
      line-height: 1.25;
      overflow-wrap: anywhere;
    }
    .creative-drag-state {
      flex: 0 0 auto;
      padding: 5px 9px;
      border-radius: 999px;
      background: var(--bg3);
      border: 1px solid var(--border-subtle);
      color: var(--text-muted);
      font-family: var(--font-mono);
      font-size: 10px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }
    .creative-drag-card.ready .creative-drag-state {
      color: var(--bg);
      background: var(--button-gradient);
      border-color: transparent;
    }
    .creative-render {
      min-height: 150px;
      display: grid;
      place-items: center;
      overflow: hidden;
      border-radius: 10px;
      border: 1px solid var(--border-subtle);
      background:
        linear-gradient(rgba(174, 80, 44, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(174, 80, 44, 0.035) 1px, transparent 1px),
        var(--bg2);
      background-size: 28px 28px;
      text-align: center;
      padding: 18px;
      font-size: 13px;
    }
    .creative-render img {
      display: block;
      max-width: 100%;
      max-height: 220px;
      object-fit: contain;
      border-radius: 8px;
      background: #fff;
    }
    .creative-file-preview {
      display: grid;
      gap: 8px;
      place-items: center;
      color: var(--text);
    }
    .creative-file-icon {
      width: 54px;
      height: 64px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: var(--button-gradient);
      color: var(--bg);
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.08em;
      box-shadow: 0 14px 30px rgba(62, 136, 250, 0.18);
    }
    .creative-file-preview small {
      color: var(--text-muted);
      font-size: 12px;
    }
    .status-line {
      min-height: 42px;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px solid var(--border-subtle);
      margin-top: 22px;
      padding-top: 18px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--text-dim);
      flex: 0 0 auto;
    }
    .status-line.ready .status-dot { background: var(--green); }
    .status-line.warn .status-dot { background: var(--button-gradient); }
    .status-line.error .status-dot { background: var(--red); }

    .stream-card {
      overflow: hidden;
      min-height: 600px;
    }
    .browser-bar {
      background: var(--bg3);
      padding: 12px 16px;
      display: flex;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid var(--border-subtle);
    }
    .browser-dots { display: flex; gap: 6px; }
    .browser-dot {
      width: 10px; height: 10px;
      border-radius: 50%;
    }
    .browser-dot:nth-child(1) { background: #ff5f57; }
    .browser-dot:nth-child(2) { background: #ffbd2e; }
    .browser-dot:nth-child(3) { background: #28c840; }
    .browser-url {
      flex: 1;
      min-width: 0;
      background: var(--bg2);
      border-radius: 6px;
      padding: 6px 14px;
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--text-muted);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .browser-actions {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 0 0 auto;
    }
    .browser-tool-btn {
      width: 32px;
      height: 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      background: rgba(255,255,255,0.035);
      color: var(--text-muted);
      font-family: var(--font-mono);
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s;
    }
    .browser-tool-btn:hover {
      border-color: var(--orange);
      color: var(--orange);
      background: var(--orange-glow);
      transform: translateY(-1px);
    }
    .browser-tool-ai {
      width: 40px;
      color: var(--icon-blue);
      letter-spacing: 0.04em;
    }
    .stream-viewport {
      position: relative;
      background: var(--bg);
      width: 100%;
      aspect-ratio: 16 / 9;
      min-height: 340px;
      display: grid;
      place-items: center;
      overflow: hidden;
      outline: none;
      touch-action: none;
    }
    .stream-viewport.selecting {
      cursor: crosshair;
      box-shadow: inset 0 0 0 2px var(--orange);
    }
    .stream-viewport.drop-ready {
      box-shadow: inset 0 0 0 2px var(--neon-blue), inset 0 0 48px rgba(62, 136, 250, 0.22);
    }
    #streamImage {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      display: none;
      object-fit: contain;
      pointer-events: none;
      user-select: none;
      -webkit-user-drag: none;
      -webkit-user-select: none;
    }
    .stream-placeholder {
      position: absolute;
      inset: 0;
      display: grid;
      place-items: center;
      text-align: center;
      padding: 32px;
      color: var(--text-muted);
      background:
        linear-gradient(rgba(174, 80, 44, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(174, 80, 44, 0.04) 1px, transparent 1px),
        var(--bg2);
      background-size: 44px 44px;
    }
    .stream-placeholder strong {
      display: block;
      font-family: var(--font-display);
      color: var(--text);
      font-size: 22px;
      margin-bottom: 8px;
    }
    .stream-loader {
      position: absolute;
      inset: 0;
      z-index: 3;
      display: none;
      place-items: center;
      text-align: center;
      padding: 32px;
      background: rgba(1, 2, 7, 0.82);
      backdrop-filter: blur(8px);
    }
    .stream-loader.visible { display: grid; }
    .loader-gif {
      width: 74px;
      height: 74px;
      border-radius: 50%;
      border: 2px solid rgba(174, 80, 44, 0.18);
      border-top-color: var(--orange);
      border-right-color: rgba(174, 80, 44, 0.65);
      margin: 0 auto 18px;
      animation: spin 0.85s linear infinite;
      box-shadow: 0 0 28px rgba(174, 80, 44, 0.22);
    }
    .loader-label {
      font-family: var(--font-mono);
      font-size: 11px;
      text-transform: uppercase;
      color: var(--orange);
    }
    .loader-sub {
      color: var(--text-muted);
      font-size: 13px;
      margin-top: 6px;
    }
    .viewport-switcher {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 14px 16px;
      border-top: 1px solid var(--border-subtle);
      background: rgba(1, 8, 18, 0.72);
    }
    .viewport-switcher-label {
      font-family: var(--font-mono);
      font-size: 11px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
    }
    .viewport-mode-group {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px;
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      background: rgba(1, 2, 7, 0.34);
    }
    .viewport-mode-btn {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid transparent;
      border-radius: 7px;
      background: transparent;
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s;
    }
    .viewport-mode-btn.active {
      border-color: rgba(62, 136, 250, 0.46);
      background: rgba(62, 136, 250, 0.16);
      color: var(--neon-blue);
      box-shadow: 0 0 18px rgba(62, 136, 250, 0.12);
    }
    .viewport-mode-btn.locked:hover {
      border-color: var(--orange);
      background: var(--orange-glow);
      color: var(--orange);
      transform: translateY(-1px);
    }
    .viewport-mode-btn.locked:focus-visible {
      outline: 2px solid var(--neon-blue);
      outline-offset: 2px;
    }
    .stream-meta {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: var(--border-subtle);
      border-top: 1px solid var(--border-subtle);
    }
    .stream-stat {
      background: var(--surface);
      padding: 16px;
    }
    .stream-stat span {
      display: block;
      font-family: var(--font-mono);
      color: var(--text-muted);
      font-size: 10px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 5px;
    }
    .stream-stat strong {
      display: block;
      font-family: var(--font-display);
      color: var(--text);
      font-size: 17px;
      line-height: 1.2;
      overflow-wrap: anywhere;
    }

    #details {
      background: var(--bg2);
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }
    .details-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      background: var(--border-subtle);
      border-radius: 16px;
      overflow: hidden;
      margin-top: 42px;
    }
    .detail-item {
      background: var(--bg2);
      padding: 34px 28px;
    }
    .detail-num {
      font-family: var(--font-mono);
      font-size: 11px;
      letter-spacing: 0.15em;
      color: var(--orange);
      margin-bottom: 18px;
    }
    .detail-item h3 {
      font-family: var(--font-display);
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .detail-item p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.65;
    }

    #beta {
      position: relative;
      text-align: center;
    }
    .beta-header { max-width: 720px; margin: 0 auto 44px; }
    .beta-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font-mono);
      font-size: 11px;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      padding: 8px 18px;
      border-radius: 100px;
      background: var(--orange-glow);
      border: 1px solid var(--border);
      color: var(--orange);
      margin-bottom: 24px;
    }
    .beta-tag::before {
      content: '';
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--button-gradient);
      animation: blink 1.5s ease-in-out infinite;
    }
    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }
    .beta-form-wrap {
      max-width: 640px;
      margin: 0 auto;
      position: relative;
      text-align: left;
    }
    .beta-form {
      padding: 48px;
    }
    .form-note {
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 16px;
    }
    .beta-popup {
      position: fixed;
      inset: 0;
      z-index: 1200;
      display: grid;
      place-items: center;
      padding: 24px;
      background: rgba(1, 2, 7, 0.74);
      backdrop-filter: blur(18px);
    }
    .beta-popup[hidden] { display: none; }
    .beta-popup-panel {
      position: relative;
      width: min(100%, 480px);
      padding: 34px;
      border: 1px solid var(--border-strong);
      border-radius: 16px;
      background: linear-gradient(165deg, rgba(8, 20, 39, 0.98), rgba(1, 8, 18, 0.98));
      box-shadow: 0 34px 90px rgba(0,0,0,0.55), 0 0 70px rgba(174, 80, 44, 0.12);
      transform: translateY(14px) scale(0.98);
      opacity: 0;
      transition: opacity 0.22s ease, transform 0.22s ease;
    }
    .beta-popup.visible .beta-popup-panel {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
    .beta-popup-close {
      position: absolute;
      top: 14px;
      right: 14px;
      width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      background: rgba(255,255,255,0.03);
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s;
    }
    .beta-popup-close:hover {
      border-color: var(--orange);
      color: var(--orange);
      background: var(--orange-glow);
    }
    .beta-popup-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 7px 12px;
      border: 1px solid var(--border);
      border-radius: 100px;
      background: var(--orange-glow);
      color: var(--orange);
      font-family: var(--font-mono);
      font-size: 10px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }
    .beta-popup-badge::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--green);
    }
    .beta-popup h2 {
      max-width: 380px;
      margin-bottom: 14px;
      font-size: clamp(1.8rem, 5vw, 2.55rem);
    }
    .beta-popup p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.7;
      margin-bottom: 26px;
    }
    .tool-popup {
      position: fixed;
      inset: 0;
      z-index: 1200;
      display: grid;
      place-items: center;
      padding: 24px;
      background: rgba(1, 2, 7, 0.74);
      backdrop-filter: blur(18px);
    }
    .tool-popup[hidden] { display: none; }
    .tool-popup-panel {
      position: relative;
      width: min(calc(100vw - 32px), 540px);
      max-height: min(680px, calc(100vh - 32px));
      overflow-y: auto;
      padding: 42px 40px 34px;
      border: 1px solid var(--border-strong);
      border-radius: 14px;
      background:
        linear-gradient(165deg, rgba(8, 20, 39, 0.98), rgba(1, 8, 18, 0.98)),
        var(--bg2);
      box-shadow: 0 34px 90px rgba(0,0,0,0.58), 0 0 70px rgba(162, 94, 252, 0.14);
      transform: translateY(14px) scale(0.98);
      opacity: 0;
      transition: opacity 0.22s ease, transform 0.22s ease;
    }
    .tool-popup-panel::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--neon-blue), var(--neon-violet), var(--gradient-orange));
    }
    .tool-popup.visible .tool-popup-panel {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
    .tool-popup .beta-popup-close {
      top: 16px;
      right: 16px;
    }
    .tool-popup .beta-popup-badge {
      margin-bottom: 20px;
    }
    .tool-popup h2 {
      max-width: 420px;
      margin: 0 44px 12px 0;
      font-size: clamp(1.45rem, 4vw, 2rem);
      line-height: 1.08;
      letter-spacing: 0;
      overflow-wrap: anywhere;
    }
    .tool-popup p {
      max-width: 46ch;
      margin: 0 0 24px;
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.65;
    }
    .tool-popup-content {
      display: grid;
      gap: 16px;
      min-width: 0;
    }
    .tool-popup-actions {
      display: flex;
      gap: 12px 14px;
      flex-wrap: wrap;
      align-items: center;
      padding-top: 2px;
    }
    .tool-popup-actions .form-submit {
      width: auto;
      min-width: 170px;
      min-height: 44px;
      padding-left: 20px;
      padding-right: 20px;
    }
    .tool-popup-link {
      border: none;
      background: transparent;
      color: var(--orange);
      font-family: var(--font-mono);
      font-size: 12px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      cursor: pointer;
      padding: 8px 0;
    }
    .tool-popup-form {
      display: grid;
      gap: 14px;
      margin-top: 0;
    }
    .tool-popup-form input {
      width: 100%;
      box-sizing: border-box;
      background: var(--bg3);
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      padding: 14px 16px;
      color: var(--text);
      font-family: var(--font-body);
      font-size: 15px;
      outline: none;
    }
    .tool-popup-form input:focus {
      border-color: var(--orange);
      box-shadow: 0 0 0 3px var(--orange-glow);
    }
    .tool-popup-message {
      min-height: 20px;
      color: var(--text-muted);
      font-size: 13px;
      line-height: 1.45;
      overflow-wrap: anywhere;
    }
    .tool-popup-message.success {
      color: var(--green);
    }
    .tool-popup-message.error {
      color: #ff8a8a;
    }
    footer {
      padding: 40px 5%;
      border-top: 1px solid var(--border-subtle);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 24px;
      background: var(--bg);
    }
    .footer-logo {
      font-family: var(--font-display);
      font-size: 20px;
      font-weight: 800;
    }
    .footer-logo span { color: var(--orange); }
    .footer-copy {
      color: var(--text-muted);
      font-size: 13px;
    }
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    @keyframes spin { to { transform: rotate(360deg); } }

    [data-lang="it"] .en-only { display: none !important; }
    [data-lang="en"] .it-only { display: none !important; }

    @media (max-width: 980px) {
      .preview-grid {
        grid-template-columns: 1fr;
      }
      .stream-card {
        min-height: 0;
      }
    }
    @media (max-width: 700px) {
      nav {
        padding-left: 18px;
        padding-right: 18px;
      }
      .nav-right { gap: 8px; }
      .nav-cta { display: none !important; }
      section { padding: 74px 20px; }
      #preview { padding-top: 120px; }
      .browser-bar {
        flex-wrap: wrap;
      }
      .browser-url {
        order: 2;
        flex-basis: 100%;
      }
      .browser-actions {
        margin-left: auto;
      }
      .viewport-switcher {
        align-items: flex-start;
        flex-direction: column;
      }
      .viewport-mode-group {
        width: 100%;
        justify-content: space-between;
      }
      .viewport-mode-btn {
        flex: 1;
      }
      .tool-card,
      .beta-form { padding: 24px 20px; border-radius: 14px; }
      .tool-popup { padding: 18px; }
      .tool-popup-panel {
        width: 100%;
        max-height: calc(100vh - 36px);
        padding: 36px 22px 26px;
      }
      .tool-popup h2 {
        margin-right: 40px;
        font-size: 1.55rem;
      }
      .tool-popup p {
        margin-bottom: 20px;
      }
      .tool-popup-actions {
        align-items: stretch;
        flex-direction: column;
      }
      .tool-popup-actions .form-submit {
        width: 100%;
        min-width: 0;
      }
      .tool-popup-link {
        align-self: center;
      }
      .beta-popup { padding: 18px; }
      .beta-popup-panel { padding: 30px 22px 24px; }
      .load-row,
      .form-row,
      .details-grid,
      .stream-meta {
        grid-template-columns: 1fr;
      }
      .stream-viewport { min-height: 260px; }
      footer { flex-direction: column; text-align: center; }
    }

/* Extracted inline styles */
.preview-inline-1 { margin-bottom:0 }
.preview-inline-2 { margin-bottom:0 }
.preview-inline-3 { margin:16px auto 0;max-width:560px }
.preview-inline-4 { margin:16px auto 0;max-width:560px }