:root {
      --cyan:#2ABFBF;
      --cyan-d:#1A9090;
      --cyan-l:#E8FAFA;
      --dark:#1A1A2E;
      --dark-2:#252540;
      --gold:#E8B000;
      --gold-l:#FFF8E1;
      --red:#E05252;
      --red-l:#FFF0F0;
      --green:#10B981;
      --green-l:#F0FDF4;
      --text:#1A1A2E;
      --muted:#6B7280;
      --line:#E5E7EB;
      --bg:#FFFFFF;
      --bg-off:#F7F8FA;
      --r:14px;
      --shadow:0 2px 16px rgba(26,26,46,.08);
      --shadow-m:0 4px 28px rgba(26,26,46,.12);
    }

    *, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
    html { scroll-behavior:smooth; }
    body {
      font-family:'Barlow',sans-serif;
      background:var(--bg);
      color:var(--text);
      overflow-x:hidden;
    }

    .topnav {
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(12px);
      border-bottom:1px solid var(--line);
      padding:0 32px;
    }

    .topnav-inner {
      max-width:1060px;
      margin:0 auto;
      display:flex;
      align-items:center;
      height:58px;
    }

    .topnav-logo img { height:28px; margin-right:24px; }

    .topnav-links {
      display:flex;
      gap:2px;
      flex:1;
      overflow-x:auto;
      scrollbar-width:none;
    }

    .topnav-links::-webkit-scrollbar { display:none; }

    .topnav-links a {
      color:var(--muted);
      text-decoration:none;
      font-size:.77rem;
      font-weight:600;
      letter-spacing:.06em;
      text-transform:uppercase;
      padding:6px 10px;
      border-radius:8px;
      white-space:nowrap;
      transition:all .2s;
    }

    .topnav-links a:hover,
    .topnav-links a.active {
      color:var(--cyan-d);
      background:var(--cyan-l);
    }

    .topnav-cta {
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:var(--dark);
      color:#fff;
      text-decoration:none;
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:.82rem;
      letter-spacing:.06em;
      padding:7px 16px;
      border-radius:999px;
      white-space:nowrap;
      transition:background .2s;
    }

    .topnav-cta:hover { background:var(--cyan-d); }

    .hero {
      background:var(--bg-off);
      border-bottom:1px solid var(--line);
      position:relative;
      overflow:hidden;
    }

    .hero::before {
      content:'';
      position:absolute;
      right:-80px;
      top:-80px;
      width:400px;
      height:400px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(42,191,191,.09) 0%,transparent 70%);
    }

    .hero-inner {
      max-width:1060px;
      margin:0 auto;
      padding:52px 32px 0;
      display:grid;
      grid-template-columns:1fr 300px;
      gap:40px;
      align-items:end;
      position:relative;
      z-index:1;
    }

    .hero-badge {
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:var(--cyan-l);
      border:1px solid rgba(42,191,191,.4);
      color:var(--cyan-d);
      font-family:'Barlow Condensed',sans-serif;
      font-size:.75rem;
      font-weight:700;
      letter-spacing:.14em;
      text-transform:uppercase;
      padding:5px 14px;
      border-radius:999px;
      margin-bottom:16px;
    }

    .hero-badge span {
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--cyan);
      display:inline-block;
    }

    .hero-title {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:900;
      font-size:clamp(2.1rem,5vw,3.5rem);
      line-height:1.02;
      color:var(--dark);
      margin-bottom:14px;
    }

    .hero-title em { font-style:normal; color:var(--cyan); }

    .hero-desc {
      font-size:.95rem;
      line-height:1.7;
      color:var(--muted);
      max-width:540px;
      margin-bottom:22px;
    }

    .hero-pills {
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:40px;
    }

    .hero-pill {
      background:var(--bg);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:.79rem;
      padding:5px 14px;
      border-radius:999px;
      font-weight:500;
    }

    .hero-chars {
      display:flex;
      align-items:flex-end;
      justify-content:flex-end;
      gap:8px;
    }

    .hero-chars img {
      height:255px;
      width:auto;
      object-fit:contain;
      display:block;
    }

    .hero-chars img:first-child {
      height:225px;
      filter:drop-shadow(0 -4px 18px rgba(42,191,191,.14));
    }

    .audio-bar {
      background:var(--dark);
      padding:20px 32px;
    }

    .audio-bar-inner {
      max-width:1060px;
      margin:0 auto;
      display:grid;
      grid-template-columns:72px 1fr;
      gap:20px;
      align-items:center;
    }

    .audio-portrait {
      width:72px;
      height:72px;
      border-radius:50%;
      object-fit:cover;
      object-position:top center;
      border:3px solid var(--cyan);
      box-shadow:0 0 0 5px rgba(42,191,191,.2);
    }

    .audio-label {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:.72rem;
      letter-spacing:.16em;
      text-transform:uppercase;
      color:var(--cyan);
      margin-bottom:3px;
    }

    .audio-title {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:1rem;
      color:#fff;
      margin-bottom:10px;
    }

    audio {
      width:100%;
      height:34px;
      accent-color:var(--cyan);
    }

    .page {
      max-width:1060px;
      margin:0 auto;
      padding:64px 32px 80px;
    }

    .chapter {
      margin-bottom:72px;
      scroll-margin-top:80px;
    }

    .chapter-header {
      display:flex;
      align-items:flex-start;
      gap:18px;
      margin-bottom:28px;
      padding-bottom:20px;
      border-bottom:2px solid var(--line);
    }

    .chapter-icon {
      width:48px;
      height:48px;
      border-radius:12px;
      background:var(--dark);
      color:var(--cyan);
      font-size:1.3rem;
      display:flex;
      align-items:center;
      justify-content:center;
      flex-shrink:0;
      box-shadow:var(--shadow);
    }

    .chapter-num {
      font-family:'Barlow Condensed',sans-serif;
      font-size:.72rem;
      font-weight:700;
      letter-spacing:.18em;
      text-transform:uppercase;
      color:var(--cyan);
      margin-bottom:3px;
    }

    .chapter-title {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:900;
      font-size:1.75rem;
      color:var(--dark);
      line-height:1.1;
    }

    .prose {
      font-size:.95rem;
      line-height:1.75;
      color:#374151;
    }

    .prose p { margin-bottom:14px; }
    .prose strong { color:var(--dark); font-weight:600; }
    .prose em { color:var(--cyan-d); font-style:italic; }

    .def-card, .oemer-quote, .card, .pdf-section, .attention-box, .success-box, .info-box, .mega-oemer {
      box-shadow:var(--shadow);
    }

    .def-card {
      background:var(--bg-off);
      border-radius:var(--r);
      border-left:4px solid var(--cyan);
      padding:20px 22px;
      margin:18px 0;
    }

    .def-card-term {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:.98rem;
      color:var(--cyan-d);
      text-transform:uppercase;
      letter-spacing:.08em;
      margin-bottom:6px;
    }

    .def-card-text {
      font-size:.9rem;
      line-height:1.65;
      color:#374151;
    }

    .def-card-example {
      margin-top:10px;
      padding:10px 14px;
      background:var(--bg);
      border-radius:8px;
      border:1px solid var(--line);
      font-style:italic;
      font-size:.87rem;
      color:var(--muted);
    }

    .attention-box {
      background:var(--red-l);
      border:2px solid var(--red);
      border-radius:var(--r);
      padding:22px 24px;
      margin:20px 0;
    }

    .attention-box-title,
    .success-box-title,
    .info-box-title,
    .oemer-quote-name,
    .mega-oemer-title {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:900;
      letter-spacing:.08em;
      text-transform:uppercase;
    }

    .attention-box-title {
      font-size:1.05rem;
      color:var(--red);
      margin-bottom:10px;
    }

    .attention-box-text {
      font-size:.9rem;
      line-height:1.65;
      color:#7A1515;
    }

    .attention-box ul,
    .success-box ul,
    .checklist {
      list-style:none;
      display:flex;
      flex-direction:column;
      gap:7px;
      margin-top:10px;
    }

    .attention-box li,
    .success-box li,
    .checklist li {
      display:flex;
      gap:10px;
      line-height:1.45;
    }

    .attention-box li::before {
      content:'✗';
      color:var(--red);
      font-weight:700;
    }

    .success-box {
      background:var(--green-l);
      border:1px solid #A7F3D0;
      border-radius:var(--r);
      padding:22px 24px;
      margin:20px 0;
    }

    .success-box-title {
      font-size:1.05rem;
      color:#065F46;
      margin-bottom:10px;
    }

    .success-box li {
      color:#065F46;
      font-size:.88rem;
    }

    .success-box li::before,
    .checklist li::before {
      content:'✓';
      color:var(--green);
      font-weight:700;
    }

    .card-grid {
      display:grid;
      grid-template-columns:repeat(auto-fill,minmax(265px,1fr));
      gap:16px;
      margin:20px 0;
    }

    .card {
      background:var(--bg);
      border:1px solid var(--line);
      border-radius:var(--r);
      padding:20px;
    }

    .card-title {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:1rem;
      color:var(--dark);
      margin-bottom:6px;
    }

    .card-text {
      font-size:.85rem;
      line-height:1.55;
      color:var(--muted);
    }

    .steps {
      display:flex;
      flex-direction:column;
      gap:16px;
      margin:20px 0;
    }

    .step {
      display:flex;
      gap:16px;
      align-items:flex-start;
      padding:18px 18px 18px 16px;
      background:var(--bg);
      border:1px solid var(--line);
      border-radius:var(--r);
      box-shadow:var(--shadow);
    }

    .step-num {
      width:44px;
      height:44px;
      min-width:44px;
      border-radius:50%;
      background:var(--dark);
      color:var(--cyan);
      font-family:'Barlow Condensed',sans-serif;
      font-weight:900;
      font-size:1rem;
      display:flex;
      align-items:center;
      justify-content:center;
      flex-shrink:0;
    }

    .step-body {
      min-width:0;
      flex:1;
    }

    .step-title {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:1.05rem;
      color:var(--dark);
      margin-bottom:4px;
      line-height:1.15;
    }

    .step-text {
      font-size:.88rem;
      line-height:1.6;
      color:var(--muted);
    }

    .step-tip {
      margin-top:10px;
      padding:10px 12px;
      background:var(--cyan-l);
      border-radius:10px;
      font-size:.83rem;
      line-height:1.5;
      color:var(--cyan-d);
      font-weight:500;
      display:block;
    }

    .info-box {
      background:var(--gold-l);
      border:1px solid rgba(232,176,0,.4);
      border-radius:var(--r);
      padding:20px 22px;
      margin:20px 0;
      display:flex;
      gap:14px;
      align-items:flex-start;
    }

    .info-box-title {
      font-size:.88rem;
      color:#92660A;
      margin-bottom:4px;
    }

    .info-box-text {
      font-size:.88rem;
      line-height:1.6;
      color:#5C4A00;
    }

    .oemer-quote {
      background:var(--bg-off);
      border-radius:var(--r);
      padding:22px 24px;
      margin:28px 0;
      display:grid;
      grid-template-columns:64px 1fr;
      gap:18px;
      align-items:center;
      border:1px solid var(--line);
    }

    .oemer-quote img {
      width:64px;
      height:64px;
      border-radius:50%;
      object-fit:cover;
      object-position:top center;
      border:2px solid var(--cyan);
    }

    .oemer-quote-name {
      font-size:.75rem;
      color:var(--cyan-d);
      margin-bottom:4px;
    }

    .oemer-quote-text {
      font-size:.9rem;
      line-height:1.6;
      color:#374151;
      font-style:italic;
    }

    .mega-oemer {
      background:linear-gradient(180deg,#0F172A 0%, #111827 100%);
      color:#E5F8F8;
      border-radius:var(--r);
      padding:28px 28px 26px;
      margin:28px 0;
      border:1px solid rgba(42,191,191,.25);
    }

    .mega-oemer-title {
      color:var(--cyan);
      font-size:1.02rem;
      margin-bottom:14px;
    }

    .mega-oemer p {
      font-size:.95rem;
      line-height:1.78;
      margin-bottom:14px;
      color:#D9E2EC;
    }

    .mega-oemer strong { color:#FFFFFF; }
    .mega-oemer em { color:#8DE3E3; font-style:italic; }

    .table-wrap {
      overflow-x:auto;
      margin:16px 0 24px;
    }

    table {
      width:100%;
      border-collapse:collapse;
      background:var(--bg);
      border-radius:var(--r);
      overflow:hidden;
      box-shadow:var(--shadow);
      font-size:.88rem;
    }

    th {
      background:var(--dark);
      color:#fff;
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:.82rem;
      letter-spacing:.07em;
      text-transform:uppercase;
      padding:13px 18px;
      text-align:left;
    }

    th.cyan-th { background:var(--cyan); }
    th.red-th { background:var(--red); }
    th.green-th { background:var(--green); }

    td {
      padding:12px 18px;
      border-bottom:1px solid var(--line);
      vertical-align:top;
      line-height:1.5;
    }

    tr:last-child td { border-bottom:none; }

    .pdf-section {
      background:var(--dark);
      border-radius:var(--r);
      overflow:hidden;
      margin:20px 0;
    }

    .pdf-header {
      padding:18px 24px;
      display:flex;
      align-items:center;
      gap:14px;
    }

    .pdf-icon {
      width:42px;
      height:42px;
      background:rgba(42,191,191,.2);
      border-radius:10px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:1.2rem;
      flex-shrink:0;
    }

    .pdf-title {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:1.1rem;
      color:#fff;
    }

    .pdf-sub {
      font-size:.8rem;
      color:rgba(255,255,255,.5);
      margin-top:2px;
    }

    .pdf-actions {
      margin-left:auto;
      display:flex;
      gap:8px;
    }

    .pdf-btn {
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 14px;
      border-radius:8px;
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:.8rem;
      letter-spacing:.05em;
      text-decoration:none;
      transition:all .2s;
    }

    .pdf-btn-outline {
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.8);
      border:1px solid rgba(255,255,255,.15);
    }

    .pdf-btn-outline:hover {
      background:rgba(255,255,255,.16);
    }

    .pdf-btn-solid {
      background:var(--cyan);
      color:#fff;
    }

    .pdf-btn-solid:hover {
      background:var(--cyan-d);
    }

    .compare-split {
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin:16px 0;
    }

    .compare-bad,
    .compare-good {
      border-radius:var(--r);
      padding:18px 20px;
    }

    .compare-bad {
      background:var(--red-l);
      border:1px solid rgba(224,82,82,.3);
    }

    .compare-good {
      background:var(--green-l);
      border:1px solid #A7F3D0;
    }

    .compare-label {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:.78rem;
      text-transform:uppercase;
      letter-spacing:.1em;
      margin-bottom:10px;
    }

    .compare-bad .compare-label { color:var(--red); }
    .compare-good .compare-label { color:#065F46; }

    .compare-text {
      font-size:.87rem;
      line-height:1.6;
      font-style:italic;
    }

    .book-promo {
      background:var(--dark);
      border-radius:var(--r);
      padding:36px;
      margin-top:64px;
    }

    .book-badge {
      display:inline-block;
      background:rgba(42,191,191,.2);
      color:var(--cyan);
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:.72rem;
      letter-spacing:.14em;
      text-transform:uppercase;
      padding:4px 12px;
      border-radius:999px;
      border:1px solid rgba(42,191,191,.3);
      margin-bottom:12px;
    }

    .book-promo h3 {
      font-family:'Barlow Condensed',sans-serif;
      font-weight:900;
      font-size:1.9rem;
      color:#fff;
      line-height:1.1;
      margin-bottom:12px;
    }

    .book-promo h3 em { font-style:normal; color:var(--cyan); }

    .book-promo p {
      font-size:.9rem;
      color:rgba(255,255,255,.6);
      line-height:1.6;
      margin-bottom:24px;
      max-width:560px;
    }

    .book-btn {
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:var(--cyan);
      color:#fff;
      font-family:'Barlow Condensed',sans-serif;
      font-weight:700;
      font-size:.95rem;
      letter-spacing:.05em;
      padding:13px 26px;
      border-radius:999px;
      text-decoration:none;
    }

    footer {
      background:var(--dark);
      color:rgba(255,255,255,.35);
      text-align:center;
      padding:28px 32px;
      font-size:.78rem;
    }

    footer a { color:var(--cyan); text-decoration:none; }

    @media (max-width:760px) {
      .topnav { padding:0 18px; }
      .topnav-links { display:none; }
      .hero-inner { padding:42px 18px 30px; grid-template-columns:1fr; }
      .hero-chars { display:none; }
      .audio-bar { padding:18px; }
      .audio-bar-inner,
      .oemer-quote,
      .compare-split { grid-template-columns:1fr; }
      .audio-portrait,
      .oemer-quote img { display:none; }
      .page { padding:48px 18px 64px; }
      .card-grid { grid-template-columns:1fr; }

      .step {
        padding:16px 14px;
        gap:12px;
      }

      .step-num {
        width:38px;
        height:38px;
        min-width:38px;
        font-size:.92rem;
      }

      .step-title { font-size:1rem; }
      .step-text { font-size:.84rem; line-height:1.55; }
      .step-tip { font-size:.8rem; padding:9px 10px; }

      .pdf-header {
        flex-direction:column;
        align-items:flex-start;
      }

      .pdf-actions {
        margin-left:0;
        width:100%;
        flex-wrap:wrap;
      }

      .mega-oemer { padding:22px 18px; }
      .mega-oemer p { font-size:.91rem; }
    }