/* ---------- hero ---------- */
  .hero{
    position:relative;overflow:hidden;
    background:linear-gradient(135deg,#0a5b63 0%,#0f2330 100%);
    color:#fff;
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background:radial-gradient(800px 300px at 85% -20%,rgba(244,165,35,.35),transparent 60%);
    pointer-events:none;
  }
  .hero-inner{max-width:920px;margin:0 auto;padding:60px 22px 54px;position:relative;z-index:1}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
    padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;letter-spacing:.3px;
    margin-bottom:18px;
  }
  .hero h1{
    font-family:'Sora','IBM Plex Sans Arabic',sans-serif;
    font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.25;margin-bottom:14px;
  }
  [dir="rtl"] .hero h1{font-family:'IBM Plex Sans Arabic',sans-serif}
  .hero p{font-size:17px;max-width:640px;color:rgba(255,255,255,.82);font-weight:300}
  .updated{margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.6)}

  /* ---------- layout ---------- */
  .wrap{max-width:920px;margin:0 auto;padding:0 22px}
  main{padding:44px 0 80px}

  /* table of contents */
  .toc{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:22px 26px;margin-bottom:34px;box-shadow:var(--shadow);
  }
  .toc h2{font-size:14px;text-transform:uppercase;letter-spacing:1.2px;color:var(--brand);margin-bottom:14px;font-weight:700}
  .toc ol{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 24px;counter-reset:t}
  @media(max-width:560px){.toc ol{grid-template-columns:1fr}}
  .toc li{counter-increment:t}
  .toc a{
    color:var(--ink-soft);text-decoration:none;font-size:15px;display:flex;align-items:baseline;gap:10px;
    padding:5px 0;transition:.18s;
  }
  .toc a::before{
    content:counter(t,decimal-leading-zero);color:var(--solar-deep);font-weight:700;font-size:13px;
    font-family:'IBM Plex Sans',sans-serif;min-width:24px;
  }
  .toc a:hover{color:var(--brand);transform:translateX(var(--hov,-4px))}
  [dir="ltr"] .toc a:hover{--hov:4px}

  /* sections */
  section.card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:30px 32px;margin-bottom:18px;box-shadow:var(--shadow);scroll-margin-top:90px;
    position:relative;overflow:hidden;
  }
  section.card::before{
    content:"";position:absolute;inset-inline-start:0;top:0;bottom:0;width:4px;
    background:linear-gradient(var(--solar),var(--brand));opacity:0;transition:.3s;
  }
  section.card:hover::before{opacity:1}
  section.card h2{
    font-size:20px;font-weight:700;color:var(--ink);margin-bottom:14px;
    display:flex;align-items:center;gap:12px;
  }
  section.card h2 .num{
    width:34px;height:34px;flex:none;border-radius:10px;display:grid;place-items:center;
    background:linear-gradient(135deg,rgba(14,124,134,.12),rgba(244,165,35,.16));
    color:var(--brand-deep);font-weight:700;font-size:15px;font-family:'IBM Plex Sans',sans-serif;
  }
  section.card p{color:var(--ink-soft);margin-bottom:12px;font-size:16px}
  section.card p:last-child{margin-bottom:0}
  section.card ul{margin:6px 0 12px;padding-inline-start:6px;list-style:none}
  section.card li{
    color:var(--ink-soft);font-size:15.5px;margin-bottom:9px;padding-inline-start:26px;position:relative;
  }
  section.card li::before{
    content:"";position:absolute;inset-inline-start:4px;top:11px;width:8px;height:8px;border-radius:3px;
    background:var(--solar);transform:rotate(45deg);
  }
  strong{color:var(--ink);font-weight:600}
  .highlight{
    background:linear-gradient(135deg,rgba(14,124,134,.07),rgba(244,165,35,.09));
    border:1px solid rgba(14,124,134,.18);border-radius:14px;padding:18px 20px;margin-top:8px;
  }
  .highlight p{color:var(--ink);margin:0}
  .warn{
    background:rgba(244,165,35,.1);border:1px solid rgba(217,134,18,.3);
    border-radius:14px;padding:18px 20px;
  }
  .warn p{color:#6b4a08;margin:0}