/* ── Hero ── */
    .hero {
      text-align: center; padding: 80px 24px 60px;
      max-width: 800px; margin: 0 auto;
    }
    .hero-badge {
      display: inline-block; padding: 6px 16px;
      background: var(--orange-glow); color: var(--orange);
      border: 1px solid rgba(244,114,43,.25);
      border-radius: 20px; font-size: 13px; font-weight: 600;
      margin-bottom: 24px;
    }
    .hero h1 {
      font-size: clamp(32px, 6vw, 56px); font-weight: 800;
      line-height: 1.15; margin-bottom: 20px;
      background: linear-gradient(135deg, #fff 0%, #ccc 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .hero p {
      font-size: clamp(16px, 2.5vw, 19px); color: var(--text-dim);
      max-width: 600px; margin: 0 auto 36px;
    }
    .hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

    /* ── Hero Particles Canvas ── */
    .hero-particles-wrap {
      position: relative; overflow: hidden;
    }
    #hero-particles {
      position: absolute; top: 0; left: 0; width: 100%; height: 100%;
      pointer-events: none; z-index: 0;
    }
    .hero-content-wrap { position: relative; z-index: 1; }

    /* ── Evolution Timeline ── */
    .hero-evo-timeline {
      display: flex; align-items: center; justify-content: center;
      gap: 0; margin-bottom: 36px; flex-wrap: nowrap;
    }
    .evo-node {
      display: flex; flex-direction: column; align-items: center; gap: 6px;
      position: relative; min-width: 72px;
    }
    .evo-dot {
      width: 32px; height: 32px; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 12px; font-weight: 700; color: #fff;
      background: #2A2A2F; border: 2px solid #3A3A42;
      transition: all .3s;
    }
    .evo-dot.past { background: #2A2A2F; border-color: #4A4A52; color: #8A8A94; }
    .evo-dot.current {
      background: linear-gradient(135deg, #F4722B, #FBBF24);
      border-color: #F4722B; color: #fff;
      box-shadow: 0 0 20px rgba(244,114,43,.4), 0 0 40px rgba(244,114,43,.15);
      width: 38px; height: 38px; font-size: 13px;
    }
    .evo-label {
      font-size: 10px; color: var(--text-dim); text-align: center;
      line-height: 1.2; max-width: 72px;
    }
    .evo-label.current-label {
      color: var(--orange); font-weight: 600;
    }
    .evo-line {
      width: 40px; height: 2px; background: #3A3A42; flex-shrink: 0;
      margin: 0 -2px; align-self: center; margin-bottom: 20px;
    }
    .evo-line.active-line {
      background: linear-gradient(90deg, #3A3A42, #F4722B);
    }

    /* ── Hero Quote ── */
    .hero-quote {
      margin: 0 auto 32px;
      max-width: 520px;
      padding: 16px 24px;
      border-left: 3px solid var(--orange);
      background: rgba(244,114,43,.06);
      border-radius: 0 10px 10px 0;
      text-align: left;
    }
    .hero-quote p {
      font-size: 14px; color: var(--text-dim); font-style: italic;
      margin: 0; line-height: 1.6;
    }
    .hero-quote p::before { content: "\201C"; color: var(--orange); font-size: 18px; font-style: normal; }
    .hero-quote p::after { content: "\201D"; color: var(--orange); font-size: 18px; font-style: normal; }
    .btn-primary {
      background: var(--orange); color: #fff; padding: 12px 28px;
      border-radius: 10px; font-size: 15px; font-weight: 600; border: none; cursor: pointer;
      transition: transform .15s, box-shadow .15s;
      display: inline-block;
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px var(--orange-glow); opacity: 1; }
    .btn-secondary {
      background: var(--bg-card); color: var(--text); padding: 12px 28px;
      border-radius: 10px; font-size: 15px; font-weight: 600;
      border: 1px solid var(--border); cursor: pointer; transition: border-color .2s;
    }
    .btn-secondary:hover { border-color: var(--orange); }

    /* ── Section ── */
    .section { padding: 60px 24px; max-width: 1200px; margin: 0 auto; }
    .section-title {
      font-size: 28px; font-weight: 700; margin-bottom: 8px;
    }
    .section-desc { color: var(--text-dim); margin-bottom: 32px; font-size: 15px; }

    /* ── Cards Grid ── */
    .cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
    .card {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 14px; padding: 24px; transition: all .25s;
      display: flex; flex-direction: column;
    }
    .card:hover { background: var(--bg-card-hover); border-color: rgba(244,114,43,.3); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.3); }
    .card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
    .card-icon {
      width: 44px; height: 44px; border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      font-size: 22px; flex-shrink: 0;
    }
    .card-icon.agent { background: rgba(59,130,246,.15); }
    .card-icon.skill { background: rgba(16,185,129,.15); }
    .card-icon.goal { background: rgba(251,191,36,.15); }
    .card-icon.repo { background: rgba(244,114,43,.12); }
    .card h3 { font-size: 17px; font-weight: 600; }
    .card-meta { color: var(--text-dim); font-size: 13px; margin-bottom: 4px; }
    .card-desc {
      color: var(--text-dim); font-size: 14px; line-height: 1.5;
      display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
      overflow: hidden; margin-bottom: 12px; flex-grow: 1;
    }
    .card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }
    .tag {
      padding: 3px 10px; border-radius: 6px; font-size: 12px; font-weight: 500;
      background: rgba(244,114,43,.1); color: var(--orange);
    }
    .tag.blue { background: rgba(59,130,246,.1); color: var(--blue); }
    .tag.green { background: rgba(16,185,129,.1); color: var(--green); }
    .tag.gold { background: rgba(251,191,36,.1); color: var(--gold); }

    /* Card stats row */
    .card-stats {
      display: flex; gap: 16px; margin: 8px 0;
      font-size: 13px; color: var(--text-dim);
    }
    .card-stats span { display: flex; align-items: center; gap: 4px; }

    /* Download button */
    .card-actions { margin-top: 12px; }
    .btn-download {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 6px 14px; border-radius: 8px; font-size: 13px; font-weight: 500;
      background: rgba(244,114,43,.1); color: var(--orange);
      border: 1px solid rgba(244,114,43,.2);
      transition: all .2s; cursor: pointer; text-decoration: none;
    }
    .btn-download:hover { background: rgba(244,114,43,.2); border-color: var(--orange); opacity: 1; }

    /* ── Features ── */
    .features { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 24px; }
    .feature { text-align: center; padding: 32px 20px; }
    .feature-icon { font-size: 36px; margin-bottom: 16px; }
    .feature h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
    .feature p { color: var(--text-dim); font-size: 14px; }

    /* ── Stats ── */
    .stats {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      gap: 20px; text-align: center; padding: 40px 0;
    }
    .stat-num {
      font-size: 36px; font-weight: 800;
      background: linear-gradient(135deg, var(--orange), var(--gold));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .stat-label { color: var(--text-dim); font-size: 13px; margin-top: 4px; }

    /* ── Footer ── */
    .footer {
      margin-top: auto; border-top: 1px solid var(--border);
      padding: 32px 24px; text-align: center;
    }
    .footer-inner { max-width: 1200px; margin: 0 auto; }
    .footer p { color: var(--text-dim); font-size: 13px; }
    .footer-links { display: flex; gap: 20px; justify-content: center; margin-bottom: 12px; }
    .footer-links a { color: var(--text-dim); font-size: 13px; }
    .footer-links a:hover { color: var(--orange); }

    /* ── Auth Modal ── */
    .modal-overlay {
      display: none; position: fixed; inset: 0; z-index: 200;
      background: rgba(0,0,0,.7); backdrop-filter: blur(4px);
      align-items: center; justify-content: center;
    }
    .modal-overlay.active { display: flex; }
    .modal {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: 16px; padding: 32px; width: 90%; max-width: 400px;
    }
    .modal h2 { font-size: 22px; margin-bottom: 20px; }
    .modal label { display: block; color: var(--text-dim); font-size: 13px; margin-bottom: 6px; }
    .modal input {
      width: 100%; padding: 10px 14px; border-radius: 8px;
      border: 1px solid var(--border); background: var(--bg);
      color: var(--text); font-size: 14px; margin-bottom: 16px;
      outline: none; transition: border-color .2s;
    }
    .modal input:focus { border-color: var(--orange); }
    .modal-actions { display: flex; gap: 10px; }
    .modal-close {
      flex: 1; padding: 10px; border-radius: 8px; border: 1px solid var(--border);
      background: none; color: var(--text); cursor: pointer; font-size: 14px;
    }
    .modal-submit {
      flex: 2; padding: 10px; border-radius: 8px; border: none;
      background: var(--orange); color: #fff; cursor: pointer; font-size: 14px; font-weight: 600;
    }

    /* ── Ecosystem Stats ── */
    .eco-stats {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
      max-width: 900px; margin: 0 auto; padding: 20px 0;
    }
    .eco-stat-card {
      background: rgba(255,255,255,0.05); border: 1px solid var(--border);
      border-radius: 14px; padding: 28px 20px; text-align: center;
      transition: all .3s;
    }
    .eco-stat-card:hover {
      border-color: rgba(244,114,43,.3); transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0,0,0,.3);
    }
    .eco-stat-icon { font-size: 28px; margin-bottom: 8px; }
    .eco-stat-num {
      font-size: 32px; font-weight: 800;
      background: linear-gradient(135deg, var(--orange), var(--gold));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .eco-stat-label { font-size: 13px; color: var(--text-dim); margin-top: 4px; }
    .eco-stat-sub { font-size: 11px; color: #6B7280; margin-top: 2px; }
    @media (max-width: 768px) {
      .eco-stats { grid-template-columns: repeat(2, 1fr); }
    }