:root{
    --blue:#BAD2FF;
    --blue-dark:#5D79A8;
    --blue-light:#F2F6FF;
    --ink:#111827;
    --muted:#667085;
    --line:#E4E7EC;
    --paper:#FCFCFD;
    --white:#FFFFFF;
    --soft:#F5F7FA;
  }

  *{box-sizing:border-box}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  }
  a{text-decoration:none;color:inherit}

  .wrap{
    width:min(1120px, calc(100% - 40px));
    margin:0 auto;
  }

  header{
    border-bottom:1px solid var(--line);
    background:rgba(252,252,253,.94);
    position:sticky;
    top:0;
    z-index:10;
    backdrop-filter: blur(8px);
  }

  .nav{
    height:70px;
    display:flex;
    align-items:center;
    justify-content:space-between;
  }

  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:800;
    letter-spacing:-.03em;
  }
  .brand-logo-full{
    width:162px;
    height:auto;
    display:block;
  }

  .navlinks{
    display:flex;
    gap:26px;
    color:#667085;
    font-size:13px;
  }

  .hero{
    padding:64px 0 24px;
  }

  .eyebrow{
    color:var(--blue-dark);
    font-size:12px;
    text-transform:uppercase;
    letter-spacing:.12em;
    font-weight:800;
  }

  h1{
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-weight:700;
    font-size:clamp(38px, 5.2vw, 58px);
    letter-spacing:-.045em;
    line-height:1.0;
    max-width:800px;
    margin:16px 0 20px;
  }

  .hero-copy{
    max-width:680px;
    font-size:18px;
    line-height:1.65;
    color:var(--muted);
    margin:0;
  }

  .searchbox{
    margin-top:34px;
    position:relative;
    max-width:720px;
  }

  .searchbox input{
    width:100%;
    height:52px;
    border:1px solid var(--line);
    background:#fff;
    border-radius:10px;
    padding:0 18px 0 46px;
    font-size:14px;
    outline:none;
  }

  .searchbox input:focus{
    border-color:#BAD2FF;
    box-shadow:0 0 0 4px rgba(93,121,168,.10);
  }

  .searchicon{
    position:absolute;
    left:17px;
    top:15px;
    color:#98A2B3;
    font-size:20px;
  }

  section{padding:34px 0 70px}

  .section-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    margin-bottom:22px;
  }

  .section-label{
    font-size:12px;
    color:var(--blue-dark);
    text-transform:uppercase;
    font-weight:800;
    letter-spacing:.12em;
    margin-bottom:7px;
  }

  .section-title{
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size:30px;
    letter-spacing:-.04em;
    margin:0;
  }

  .section-sub{
    margin:8px 0 0;
    color:var(--muted);
    font-size:14px;
  }

  .category-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:14px;
  }

  .category{
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    padding:20px 22px;
    transition:.18s ease;
  }

  .category:hover{
    transform:translateY(-2px);
    border-color:#D8E5FF;
    box-shadow:0 12px 28px rgba(16,24,40,.06);
  }

  .category h3{
    font-size:18px;
    letter-spacing:-.025em;
    margin:0 0 6px;
  }

  .category p{
    color:#667085;
    font-size:13px;
    line-height:1.6;
    margin:0;
  }

  .category-link{
    display:inline-block;
    margin-top:12px;
    color:var(--blue-dark);
    font-size:13px;
    font-weight:800;
  }


  .library-search{
    margin:0 0 22px;
  }
  .library-search .searchbox{
    margin-top:0;
    max-width:none;
  }

  .toolbar{
    padding:15px 0;
    display:flex;
    gap:16px;
    align-items:center;
    justify-content:space-between;
    margin-bottom:24px;
  }

  .filters{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }

  .filter-group{
    display:flex;
    align-items:center;
    gap:8px;
  }

  .filter-group label{
    font-size:12px;
    color:#98A2B3;
  }

  .filter-select{
    appearance:none;
    border:1px solid var(--line);
    background:#fff;
    color:#475467;
    border-radius:8px;
    padding:8px 30px 8px 11px;
    font:inherit;
    font-size:12px;
    cursor:pointer;
    min-width:102px;
    background-image:
      linear-gradient(45deg, transparent 50%, #98A2B3 50%),
      linear-gradient(135deg, #98A2B3 50%, transparent 50%);
    background-position:
      calc(100% - 13px) 11px,
      calc(100% - 9px) 11px;
    background-size:4px 4px, 4px 4px;
    background-repeat:no-repeat;
  }

  .filter-select:focus{
    outline:none;
    border-color:#BAD2FF;
    box-shadow:0 0 0 3px rgba(186,210,255,.28);
  }

  .count{
    color:#98A2B3;
    font-size:12px;
    white-space:nowrap;
  }

  .library{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:16px;
  }

  .item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    padding:20px;
    min-height:248px;
    display:flex;
    flex-direction:column;
  }

  .cover{
    display:block;
    width:calc(100% + 40px);
    margin:-20px -20px 16px;
    aspect-ratio:16/9;
    object-fit:cover;
    border-radius:15px 15px 0 0;
  }
  .cover-default{
    display:flex;
    align-items:flex-end;
    padding:12px 16px;
    box-sizing:border-box;
    color:#fff;
    font-size:13px;
    font-weight:800;
    letter-spacing:.04em;
    text-transform:uppercase;
    text-shadow:0 1px 2px rgba(0,0,0,.25);
  }

  .item-top{
    display:flex;
    justify-content:space-between;
    gap:8px;
    align-items:center;
  }

  .type{
    font-size:10px;
    letter-spacing:.09em;
    font-weight:800;
    color:var(--blue-dark);
  }

  .item h3{
    margin:17px 0 7px;
    font-size:18px;
    letter-spacing:-.025em;
  }

  .source{
    font-size:12px;
    color:#667085;
    margin-bottom:10px;
  }

  .item p{
    color:#667085;
    font-size:13px;
    line-height:1.6;
    margin:0;
  }

  .item-bottom{
    margin-top:auto;
    padding-top:18px;
    display:flex;
    justify-content:space-between;
    align-items:center;
  }

  .topic{
    font-size:11px;
    color:#475467;
    background:var(--soft);
    border-radius:6px;
    padding:5px 7px;
  }


  .open{
    display:inline-flex;
    align-items:center;
    gap:4px;
    color:var(--blue-dark);
    font-size:12px;
    font-weight:800;
    padding:7px 9px;
    border:1px solid var(--line);
    border-radius:8px;
    background:#fff;
  }
  .open:hover{
    background:var(--blue-light);
    border-color:#D8E5FF;
  }

  .note{
    margin-top:18px;
    padding:18px;
    background:var(--blue-light);
    border-radius:12px;
    color:#344054;
    font-size:13px;
    line-height:1.65;
  }

  .empty{
    display:none;
    text-align:center;
    padding:45px;
    border:1px dashed var(--line);
    border-radius:16px;
    color:var(--muted);
  }

  @media(max-width:900px){
    .library{grid-template-columns:repeat(2,1fr)}
    .category-grid{grid-template-columns:repeat(2,1fr)}
  }

  @media(max-width:650px){
    .toolbar{align-items:flex-start;flex-direction:column}
    .filters{width:100%;display:grid;grid-template-columns:1fr 1fr}
    .filter-group{flex-direction:column;align-items:flex-start}
    .filter-select{width:100%;min-width:0}
    .wrap{width:calc(100% - 24px)}
    .navlinks{display:none}
    .hero{padding:56px 0 45px}
    h1{font-size:48px}
    .category-grid,.library{grid-template-columns:1fr}
    .cta{flex-direction:column;align-items:flex-start}
  }

  footer{
    border-top:1px solid var(--line);
    padding:36px 0;
  }

  .footer-inner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:24px;
  }

  .footer-title{
    font-weight:800;
    font-size:20px;
    letter-spacing:-.03em;
    margin-bottom:6px;
  }

  .footer-tagline{
    color:var(--muted);
    font-size:13px;
    line-height:1.5;
    max-width:640px;
  }

  .footer-social{
    display:flex;
    gap:10px;
    flex-shrink:0;
  }

  .social-icon{
    width:34px;
    height:34px;
    border-radius:8px;
    background:var(--ink);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:.15s ease;
  }

  .social-icon svg{
    width:16px;
    height:16px;
  }

  .social-icon:hover{
    background:var(--blue-dark);
  }

  @media(max-width:650px){
    .footer-inner{flex-direction:column;align-items:flex-start}
    .footer-social{align-self:flex-start}
  }

  .sr-only{
    position:absolute;width:1px;height:1px;padding:0;margin:-1px;
    overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
  }
  a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{
    outline:3px solid var(--blue-dark);
    outline-offset:2px;
  }
  .item h3 a:hover{color:var(--blue-dark)}
  .item-meta{display:flex;gap:6px;flex-wrap:wrap}
  .badge{
    font-size:10px;font-weight:800;letter-spacing:.06em;
    border-radius:999px;padding:3px 8px;
    background:var(--soft);color:#475467;
  }
  .badge-free{background:var(--blue-light);color:var(--blue-dark)}
  .item-top .type{margin-right:auto}

  .btn{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--ink);color:#fff;
    font-size:14px;font-weight:800;
    padding:12px 18px;border-radius:10px;
    transition:.15s ease;
  }
  .btn:hover{background:var(--blue-dark)}

  .cta{
    margin-top:40px;padding:26px 28px;
    background:var(--blue-light);border-radius:16px;
    display:flex;justify-content:space-between;align-items:center;gap:20px;
  }
  .cta-title{font-size:19px;font-weight:700;letter-spacing:-.025em}

  .hero.detail{padding:48px 0 30px}
  .back-link{display:inline-block;margin-bottom:26px;color:var(--blue-dark);font-size:13px;font-weight:800}
  .detail-title{font-size:clamp(34px,5vw,52px);margin:14px 0 16px}
  .facts{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
    gap:12px;margin:30px 0 20px;max-width:720px;
  }
  .facts div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
  .facts dt{font-size:11px;color:#98A2B3;text-transform:uppercase;letter-spacing:.08em;font-weight:800}
  .facts dd{margin:4px 0 0;font-size:15px;font-weight:600}
  .tags{list-style:none;padding:0;margin:0 0 30px;display:flex;flex-wrap:wrap;gap:8px}

  .item-bottom{flex-direction:column;align-items:stretch;gap:14px}
  .item-bottom .open{justify-content:center;white-space:nowrap}

  .see-more-wrap{text-align:center;margin-top:24px}
  .see-more{
    display:none;align-items:center;justify-content:center;
    font:inherit;font-size:13px;font-weight:800;color:var(--blue-dark);
    background:#fff;border:1px solid var(--line);border-radius:10px;
    padding:11px 22px;cursor:pointer;
  }
  .see-more:hover{background:var(--blue-light);border-color:#D8E5FF}

  .brand-logo-full{width:auto;height:52px;border-radius:8px}

  .accent{color:var(--blue-dark)}
  .hero .searchbox input{height:58px;font-size:15px;box-shadow:0 8px 24px rgba(16,24,40,.06)}
  .hero .searchicon{top:17px}

  .hero-search{margin:32px 0 0}

  .hero:not(.detail) .hero-copy{max-width:none}
  @media(max-width:900px){.hero:not(.detail) .hero-copy{font-size:16px}}

  .item p.desc + p.desc{margin-top:10px}
  .item p.desc strong{color:var(--ink)}

  .cta-sub{margin:6px 0 0;color:#475467;font-size:14px;line-height:1.55;max-width:520px}

  /* ---------- Tools made by Zoe (highlight band) ---------- */
  #tools{padding-top:10px}
  .tools-band{
    background:linear-gradient(135deg,#1D2B53 0%,#3E4C8A 100%);
    border-radius:24px;padding:32px;color:#fff;
  }
  .tools-head{
    display:flex;justify-content:space-between;align-items:flex-end;
    gap:20px;flex-wrap:wrap;margin-bottom:24px;
  }
  .tools-eyebrow{color:#BAD2FF}
  .tools-title{color:#fff;margin:6px 0}
  .tools-sub{margin:0;color:#D6E2FF;font-size:15px;line-height:1.5}
  .btn.tools-cta{background:#fff;color:#1D2B53}
  .btn.tools-cta:hover{background:#E4ECFF}
  .tools-strip{
    display:grid;gap:16px;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  }
  .tool{
    background:#fff;color:#111827;border-radius:16px;overflow:hidden;
    display:flex;flex-direction:column;transition:.18s ease;
  }
  .tool:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.25)}
  .tool-cover{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
  .tool-cover-default{
    display:flex;align-items:flex-end;padding:10px 14px;
    color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;
    text-shadow:0 1px 2px rgba(0,0,0,.25);
  }
  .tool-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
  .tool-name{
    font-weight:800;font-size:15px;line-height:1.35;letter-spacing:-.01em;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .tool-link{margin-top:auto;padding-top:6px;font-weight:800;font-size:13px;color:#5D79A8}
  @media(max-width:700px){
    .tools-band{padding:22px 18px;border-radius:18px}
  }

  /* ---------- Popular posts from my blog ---------- */
  .posts{margin-top:44px}
  .posts-title{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
    font-size:22px;letter-spacing:-.03em;margin:0 0 16px;
  }
  .posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .post{
    background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
    display:flex;flex-direction:column;transition:.18s ease;
  }
  .post:hover{transform:translateY(-2px);border-color:#D8E5FF;box-shadow:0 12px 28px rgba(16,24,40,.06)}
  .post-cover{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#F2F6FF}
  .post-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
  .post-name{
    font-weight:800;font-size:16px;line-height:1.4;letter-spacing:-.015em;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .post-desc{
    margin:0;color:#667085;font-size:13px;line-height:1.55;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .post-link{margin-top:auto;padding-top:4px;font-weight:800;font-size:13px;color:var(--blue-dark)}
  @media(max-width:900px){.posts-grid{grid-template-columns:1fr}}