:root{
      --bg:#0b0f14;
      --panel:#0f1620;
      --text:#e8eef6;
      --accent:#cfe3ff;
      --muted:rgba(232,238,246,.78);
      --muted2:rgba(232,238,246,.62);
      --line:rgba(232,238,246,.12);
      --shadow:0 10px 30px rgba(0,0,0,.35);
      --r:20px;
      --r2:16px;
      --max:1200px;
    }

    *{box-sizing:border-box}

    body{
      margin:0;
      font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
      background:
        radial-gradient(1200px 800px at 20% -10%, rgba(255,255,255,.10), transparent 45%),
        radial-gradient(900px 700px at 110% 20%, rgba(255,255,255,.08), transparent 50%),
        var(--bg);
      color:var(--text);
      line-height:1.45;
    }

    /* GLOBAL TYPOGRAPHY */
    h1, h2, h3, h4{
      color:rgb(232, 238, 246);
    }

    p{
      color:#ffffff;
    }

    a{
      color:#ffffff;
      text-decoration:none;
    }

    a:hover{
      text-decoration:underline;
    }

    .wrap{
      max-width:var(--max);
      margin:0 auto;
      padding:32px 20px 90px;
    }

    /* HEADER */
    header{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:10px 0 28px;
      gap:20px;
      flex-wrap:wrap;
    }

    .badge{
      padding:8px 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.03);
      font-size:13px;
      color:var(--muted);
      white-space:nowrap;
    }

    .nav{
      display:flex;
      gap:18px;
      font-size:14px;
      align-items:center;
      flex-wrap:wrap;
    }

    /* HERO */
    .hero{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:48px;
      align-items:center;
      padding:48px 0 28px;
    }

    @media(max-width:920px){
      .hero{
        grid-template-columns:1fr;
        text-align:center;
        gap:32px;
      }
    }

    .book-title{
      font-size: 48px!important;
      font-weight:700;
      letter-spacing:-0.015em;
      margin-bottom:16px;
      color:var(--accent);
    }

    h1{
      font-size: 38px!important;
      letter-spacing:-0.02em;
      margin:0 0 16px;
    }

    .sub{
      font-size:clamp(16px,1.4vw,20px);
      max-width:62ch;
    }

    .hero-image{
      display:flex;
      justify-content:center;
    }

    .hero-image img{
      width:100%;
      max-width:520px;
      border-radius:26px;
      box-shadow:0 30px 70px rgba(0,0,0,.55);
    }

    /* SECTIONS */
    section{margin-top:32px}

    .panel{
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      border-radius:var(--r);
      box-shadow:var(--shadow);
      padding:20px;
    }

    .grid2{
      display:grid;
      gap:18px;
      grid-template-columns:1fr 1fr;
    }

    @media(max-width:920px){
      .grid2{grid-template-columns:1fr}
    }

    /* FRAMEWORK */
    .pillars ul{
      list-style:none;
      padding:0;
      display:grid;
      gap:12px;
    }

    .pillars li{
      border:1px solid var(--line);
      border-radius:var(--r2);
      padding:14px;
      background:rgba(255,255,255,.03);
    }

    .pillars strong{
      display:block;
      font-size:14px;
      margin-bottom:2px;
    }

    .pillars span{
      font-size:13px;
    }

    /* CARDS */
    .cards{
      display:grid;
      gap:16px;
      grid-template-columns:repeat(4,1fr);
    }

    @media(max-width:980px){.cards{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.cards{grid-template-columns:1fr}}

    .card{
      padding:18px;
      border-radius:var(--r);
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
    }

    .card h3{
      margin:0 0 6px;
      font-size:15px;
    }

    .card p{
      margin:0;
      font-size:13px;
    }

    /* FOOTER */
    footer{
      margin-top:48px;
      padding-top:20px;
      border-top:1px solid var(--line);
      font-size:12px;
      color:var(--muted2);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
    }

    .social-links{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
    }

    .social-links a{
      padding:6px 8px;
      border:1px solid var(--line);
      border-radius:10px;
      background:rgba(255,255,255,.03);
    }
	.H2-Core {
	color: #ffffff;
	font-size: 26px;
    letter-spacing: -0.02em;
    margin: 0 0 16px;
}