* { margin: 0; padding: 0; box-sizing: border-box; }
    :root {
      --gold: #633a85;
      --gold-light: #34d2e2;
      --deep: #0A0A0F;
      --surface: #111118;
      --surface-2: #1A1A24;
      --text: #E8E6E1;
      --text-muted: #8A8691;
      --accent: #7B68EE;
      --border: rgba(99,58,133,0.15);
    }
    [data-theme="light"] {
      --deep: #f7f3ef;
      --surface: #ffffff;
      --surface-2: #f0ece8;
      --text: #1a1218;
      --text-muted: #5a4e6a;
      --border: rgba(99,58,133,0.18);
    }
    body { font-family: 'Barlow', sans-serif; background: var(--deep); color: var(--text); line-height: 1.7; overflow-x: hidden; }
    .syne { font-family: 'Rubik', sans-serif; }
    .bg-glow { position: fixed; top: -30%; left: -10%; width: 60%; height: 60%; background: radial-gradient(ellipse, rgba(99,58,133,0.05) 0%, transparent 70%); pointer-events: none; z-index: 0; }
    .bg-glow-2 { position: fixed; bottom: -20%; right: -15%; width: 50%; height: 50%; background: radial-gradient(ellipse, rgba(123,104,238,0.04) 0%, transparent 70%); pointer-events: none; z-index: 0; }
    section, nav, header, footer, main, article { position: relative; z-index: 1; }
    .container { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }
    /* Nav */
    nav { padding: 1.5rem 2rem; display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; }
    .logo { font-family: 'Rubik', sans-serif; font-weight: 800; font-size: 1.1rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); text-decoration: none; }
    .logo span { color: var(--text-muted); font-weight: 400; }
    .nav-links { display: flex; gap: 2rem; list-style: none; }
    .nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
    .nav-links a:hover { color: var(--gold); }
    /* Breadcrumb */
    .breadcrumb { padding: 1rem 0 0; font-size: 0.85rem; color: var(--text-muted); }
    .breadcrumb a { color: var(--text-muted); text-decoration: none; }
    .breadcrumb a:hover { color: var(--gold); }
    .breadcrumb span { margin: 0 0.5rem; }
    /* Hero */
    .hero { padding: 3rem 0 2rem; border-bottom: 1px solid var(--border); }
    .center-badges { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
    .badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.3rem 0.75rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
    .badge-motor { background: rgba(99,58,133,0.15); color: var(--gold); border: 1px solid rgba(99,58,133,0.3); }
    .badge-awareness { background: rgba(123,104,238,0.15); color: #a89ff0; border: 1px solid rgba(123,104,238,0.3); }
    .badge-pressure { background: rgba(46,204,113,0.12); color: #5de09b; border: 1px solid rgba(46,204,113,0.25); }
    .hero h1 { font-family: 'Rubik', sans-serif; font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; color: var(--text); line-height: 1.15; margin-bottom: 0.5rem; }
    .hero h1 .gold { color: var(--gold); }
    .alt-names { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }
    .bio-row { display: flex; align-items: flex-start; gap: 0.5rem; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; }
    .bio-label { color: var(--gold); font-weight: 600; min-width: 160px; }
    .theme-text { font-size: 1.05rem; color: var(--text); line-height: 1.75; background: var(--surface); border-left: 3px solid var(--gold); padding: 1rem 1.25rem; border-radius: 0 8px 8px 0; margin-top: 1rem; }
    /* Sections */
    .section { padding: 2.5rem 0; border-bottom: 1px solid var(--border); }
    .section:last-child { border-bottom: none; }
    .section-title { font-family: 'Rubik', sans-serif; font-size: 1.4rem; font-weight: 700; color: var(--gold); margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.5rem; }
    .section-title::before { content: ''; display: block; width: 4px; height: 1.4rem; background: var(--gold); border-radius: 2px; }
    /* Defined/Undefined columns */
    .def-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    @media (max-width: 700px) { .def-grid { grid-template-columns: 1fr; } }
    .def-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; }
    .def-card.defined { border-color: rgba(99,58,133,0.4); }
    .def-card.undefined { border-color: rgba(123,104,238,0.3); }
    .def-card h3 { font-family: 'Rubik', sans-serif; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
    .def-card.defined h3 { color: var(--gold); }
    .def-card.undefined h3 { color: #a89ff0; }
    .def-card p { font-size: 0.93rem; line-height: 1.75; color: var(--text); }
    /* Gates grid */
    .gates-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
    .gate-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1.1rem 1.25rem; text-decoration: none; color: var(--text); transition: border-color 0.2s, transform 0.2s; display: block; }
    .gate-card:hover { border-color: rgba(99,58,133,0.5); transform: translateY(-2px); }
    .gate-number { font-family: 'Rubik', sans-serif; font-size: 1.5rem; font-weight: 800; color: var(--gold); }
    .gate-name { font-size: 0.85rem; color: var(--text-muted); margin: 0.1rem 0 0.5rem; font-style: italic; }
    .gate-theme { font-size: 0.85rem; line-height: 1.6; color: var(--text); }
    /* Channels grid */
    .channels-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
    .channel-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1.1rem 1.25rem; text-decoration: none; color: var(--text); transition: border-color 0.2s, transform 0.2s; display: block; }
    .channel-card:hover { border-color: rgba(123,104,238,0.5); transform: translateY(-2px); }
    .channel-id { font-family: 'Rubik', sans-serif; font-size: 1rem; font-weight: 700; color: var(--gold); }
    .channel-name { font-size: 0.85rem; color: var(--text-muted); margin: 0.15rem 0 0.5rem; font-style: italic; }
    .channel-theme { font-size: 0.85rem; line-height: 1.6; color: var(--text); }
    /* Not-self questions */
    .not-self-box { background: var(--surface-2); border: 1px solid rgba(231,76,60,0.25); border-radius: 12px; padding: 1.5rem; }
    .not-self-title { font-family: 'Rubik', sans-serif; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: #e08070; margin-bottom: 1rem; }
    .not-self-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
    .not-self-list li { padding-left: 1.5rem; position: relative; font-size: 0.95rem; color: var(--text); line-height: 1.65; }
    .not-self-list li::before { content: '?'; position: absolute; left: 0; color: #e08070; font-weight: 700; }
    /* CTA */
    .cta-section { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; text-align: center; margin: 2rem 0; }
    .cta-section h2 { font-family: 'Rubik', sans-serif; font-size: 1.3rem; font-weight: 700; color: var(--text); margin-bottom: 0.75rem; }
    .cta-section p { color: var(--text-muted); font-size: 0.93rem; margin-bottom: 1.25rem; max-width: 480px; margin-left: auto; margin-right: auto; }
    .btn-gold { display: inline-block; padding: 0.75rem 2rem; background: var(--gold); color: #0A0A0F; font-family: 'Rubik', sans-serif; font-weight: 700; font-size: 0.9rem; letter-spacing: 0.05em; text-decoration: none; border-radius: 8px; transition: background 0.2s; }
    .btn-gold:hover { background: var(--gold-light); }
    /* Centers nav */
    .centers-nav { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--border); }
    .centers-nav-title { font-family: 'Rubik', sans-serif; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1rem; }
    .centers-nav-grid { display: flex; flex-wrap: wrap; gap: 0.6rem; }
    .center-pill { padding: 0.4rem 0.9rem; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; font-size: 0.82rem; color: var(--text-muted); text-decoration: none; transition: border-color 0.2s, color 0.2s; }
    .center-pill:hover, .center-pill.active { border-color: var(--gold); color: var(--gold); }
    /* Footer */
    footer { padding: 2rem; text-align: center; color: var(--text-muted); font-size: 0.82rem; border-top: 1px solid var(--border); margin-top: 3rem; }
    footer a { color: var(--text-muted); text-decoration: none; }
    footer a:hover { color: var(--gold); }
    @media (max-width: 600px) {
      nav { padding: 1rem; flex-wrap: wrap; gap: 1rem; }
      .nav-links { gap: 1rem; font-size: 0.82rem; }
    }
    /* JA Study Materials block */
    .ja-study { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 1.75rem; margin: 1.5rem 0 2rem; }
    .ja-study-overline { font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); font-weight: 600; margin-bottom: 0.75rem; }
    .ja-study h3 { font-family: 'Rubik', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; }
    .ja-study p.intro { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.25rem; line-height: 1.7; }
    .ja-study-products { display: flex; flex-direction: column; gap: 0.5rem; }
    .ja-study-product { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1rem; background: var(--surface-2); border: 1px solid rgba(99,58,133,0.15); border-radius: 8px; text-decoration: none; transition: border-color 0.2s; }
    .ja-study-product:hover { border-color: rgba(99,58,133,0.5); }
    .ja-study-product-name { font-size: 0.88rem; color: var(--text); font-weight: 500; line-height: 1.4; }
    .ja-study-product-price { font-size: 0.85rem; color: var(--gold); font-weight: 700; white-space: nowrap; margin-left: 0.75rem; flex-shrink: 0; }
    .ja-study-footer { margin-top: 1rem; font-size: 0.78rem; color: var(--text-muted); }
    .ja-study-footer a { color: var(--gold); text-decoration: none; }
    .ja-study-footer a:hover { text-decoration: underline; }
    .ja-study-thumb { width: 42px; height: 42px; object-fit: cover; border-radius: 5px; flex-shrink: 0; margin-right: 0.6rem; }
    @media (max-width: 500px) { .ja-study-product { flex-direction: column; align-items: flex-start; gap: 0.2rem; } .ja-study-product-price { margin-left: 0; } .ja-study-thumb { margin-bottom: 0.2rem; } }
    /* ── Transit Section ── */
    .transit-status-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
    .transit-count-badge { display: flex; align-items: baseline; gap: 0.4rem; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 0.6rem 1rem; }
    .transit-count-num { font-family: 'Rubik', sans-serif; font-size: 1.8rem; font-weight: 800; color: var(--gold); line-height: 1; }
    .transit-count-label { font-size: 0.82rem; color: var(--text-muted); }
    .transit-defined-badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.5rem 1rem; background: rgba(99,58,133,0.15); border: 1px solid rgba(99,58,133,0.45); border-radius: 999px; font-size: 0.8rem; font-weight: 700; color: var(--gold); letter-spacing: 0.04em; text-transform: uppercase; }
    .transit-open-badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.5rem 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; font-size: 0.8rem; font-weight: 600; color: var(--text-muted); letter-spacing: 0.04em; text-transform: uppercase; }
    .transit-gates-table { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
    .transit-gate-row { display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 0.75rem; padding: 0.65rem 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; transition: border-color 0.2s; }
    .transit-gate-row.transit-gate-active { border-color: rgba(99,58,133,0.5); background: rgba(99,58,133,0.06); }
    .transit-gate-num { font-family: 'Rubik', sans-serif; font-size: 0.9rem; font-weight: 700; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; }
    .transit-gate-num.active { color: var(--gold); }
    .transit-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 6px rgba(99,58,133,0.7); flex-shrink: 0; animation: transit-pulse 2s ease-in-out infinite; }
    .transit-dot-off { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border); flex-shrink: 0; }
    @keyframes transit-pulse { 0%,100% { box-shadow: 0 0 4px rgba(99,58,133,0.5); } 50% { box-shadow: 0 0 10px rgba(99,58,133,0.9); } }
    .transit-gate-name { font-size: 0.85rem; color: var(--text); }
    .transit-gate-planets { display: flex; gap: 0.4rem; flex-wrap: wrap; justify-content: flex-end; }
    .transit-planet-badge { display: inline-flex; align-items: center; gap: 0.2rem; padding: 0.2rem 0.5rem; background: rgba(99,58,133,0.12); border: 1px solid rgba(99,58,133,0.25); border-radius: 6px; font-size: 0.75rem; color: var(--gold); white-space: nowrap; }
    .transit-line { color: var(--text-muted); font-size: 0.7rem; }
    .transit-quiet { font-size: 0.78rem; color: var(--text-muted); font-style: italic; }
    .transit-energy-summary { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--gold); border-radius: 0 8px 8px 0; padding: 1rem 1.25rem; margin-bottom: 1rem; }
    .transit-energy-label { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 0.4rem; }
    .transit-energy-summary p { font-size: 0.92rem; color: var(--text); line-height: 1.7; margin: 0; }
    .transit-view-all { text-align: right; }
    .transit-view-link { font-size: 0.82rem; color: var(--text-muted); text-decoration: none; }
    .transit-view-link:hover { color: var(--gold); }
    .gate-card-transit-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 5px rgba(99,58,133,0.7); margin-left: 0.35rem; vertical-align: middle; animation: transit-pulse 2s ease-in-out infinite; }
    .gate-card.gate-transit-active { border-color: rgba(99,58,133,0.5); }
    .gate-transit-planets { font-size: 0.72rem; color: var(--gold); margin-top: 0.35rem; opacity: 0.85; }
    @media (max-width: 580px) { .transit-gate-row { grid-template-columns: 100px 1fr; } .transit-gate-planets { grid-column: 1 / -1; justify-content: flex-start; margin-top: 0.25rem; } }
    /* Authority box */
    .authority-box { display: flex; gap: 1rem; align-items: flex-start; background: linear-gradient(135deg, rgba(99,58,133,0.08), rgba(123,104,238,0.06)); border: 1px solid rgba(99,58,133,0.3); border-radius: 12px; padding: 1.25rem 1.5rem; }
    .authority-icon { font-size: 1.5rem; flex-shrink: 0; opacity: 0.7; margin-top: 0.1rem; }
    .authority-box p { font-size: 0.93rem; line-height: 1.75; color: var(--text); }
    .authority-box strong { color: var(--gold); }
    /* Practical experiments */
    .experiments-list { display: flex; flex-direction: column; gap: 1rem; }
    .experiment-item { display: flex; gap: 1rem; align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1.1rem 1.25rem; }
    .experiment-num { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: rgba(99,58,133,0.15); border: 1px solid rgba(99,58,133,0.3); display: flex; align-items: center; justify-content: center; font-family: 'Rubik', sans-serif; font-weight: 700; font-size: 0.78rem; color: var(--gold); }
    .experiment-item p { font-size: 0.93rem; line-height: 1.75; color: var(--text); margin: 0; }
    /* Dual CTA */
    .cta-dual-btns { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
    .btn-outline-gold { display: inline-block; padding: 0.75rem 2rem; background: transparent; color: var(--gold); font-family: 'Rubik', sans-serif; font-weight: 700; font-size: 0.9rem; letter-spacing: 0.05em; text-decoration: none; border-radius: 8px; border: 2px solid var(--gold); transition: background 0.2s, color 0.2s; }
    .btn-outline-gold:hover { background: var(--gold); color: #0A0A0F; }
    [data-theme="light"] .btn-gold { color: #fff; }
    [data-theme="light"] .btn-outline-gold:hover { color: #fff; }