:root{
  --navy: #1f2a44;
  --navy-deep: #161e33;
  --cream: #f5f2ea;
  --cream-dim: #cfd3de;
  --gold: #c9a227;
  --gold-soft: rgba(201,162,39,0.14);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --maxw: 880px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background: var(--navy);
  background-image: radial-gradient(ellipse at top, rgba(255,255,255,0.03), transparent 60%);
  color: var(--cream);
  font-family: var(--sans);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;}
img{max-width:100%;}

.topnav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: sticky; top:0; z-index: 20;
  background: rgba(22,30,51,0.92);
  backdrop-filter: blur(6px);
}
.topnav .brand{
  font-family: var(--serif); font-weight:500; font-size:1.15rem;
  text-decoration:none; letter-spacing:0.02em;
}
.navtoggle{
  display:none; background:none; border:none; color:var(--cream);
  font-size:1.4rem; cursor:pointer;
}
.navlist{
  list-style:none; display:flex; gap:22px; margin:0; padding:0;
  flex-wrap:wrap;
}
.navlist a{
  text-decoration:none; font-size:0.92rem; color: var(--cream-dim);
  padding:6px 2px; border-bottom:2px solid transparent;
  transition: color .15s, border-color .15s;
  white-space:nowrap;
}
.navlist a:hover, .navlist a.active{
  color: var(--gold); border-bottom-color: var(--gold);
}

main{ max-width: var(--maxw); margin: 0 auto; padding: 48px 24px 80px; }

.breadcrumb{ font-size:0.82rem; color: var(--cream-dim); margin-bottom: 28px; }
.breadcrumb a{ text-decoration:none; color: var(--cream-dim); }
.breadcrumb a:hover{ color: var(--gold); }

.kicker{
  font-size:0.78rem; text-transform:uppercase; letter-spacing:0.14em;
  color: var(--gold); font-weight:600; margin: 0 0 10px;
}
h1{
  font-family: var(--serif); font-weight:300; font-size: clamp(2.1rem, 5vw, 3rem);
  line-height:1.12; margin: 0 0 20px; color:#fff;
}
h2{ font-family: var(--serif); font-weight:400; font-size:1.7rem; color:#fff; }
h3{
  font-family: var(--serif); font-weight:500; font-size:1.25rem;
  color: var(--gold); margin: 34px 0 10px;
}
.lede{ font-size:1.15rem; color: var(--cream); opacity:0.92; }
p{ margin: 0 0 18px; color: var(--cream); opacity:0.92; }
.tool-body p{ font-size:1.02rem; }
.tool-body ul{ margin:0 0 20px; padding-left: 1.3em; }
.tool-body li{ margin-bottom:8px; opacity:0.92; }

.hero{ padding-bottom: 12px; }

.btn{
  display:inline-block; background: var(--gold); color: var(--navy);
  font-weight:600; text-decoration:none; padding: 13px 26px;
  border-radius: 999px; font-size:0.95rem; margin-top:8px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 6px 20px rgba(201,162,39,0.35); }

.cta{ margin: 36px 0 8px; }
.cta-note{ font-size:0.78rem; color: var(--cream-dim); margin: 10px 0 0; opacity:0.8; }

.card-grid{
  display:grid; grid-template-columns: repeat(auto-fill, minmax(230px,1fr));
  gap:16px; margin-top: 32px;
}
.card{
  display:block; text-decoration:none; color:inherit;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 14px; padding: 20px 20px 22px;
  transition: border-color .15s, transform .15s, background .15s;
}
.card:hover{
  border-color: var(--gold); transform: translateY(-2px);
  background: rgba(255,255,255,0.06);
}
.card h3{ margin: 6px 0 8px; font-size:1.08rem; color:#fff; }
.card p{ font-size:0.88rem; margin:0; opacity:0.75; }
.card-code{
  font-size:0.72rem; letter-spacing:0.08em; color: var(--gold); font-weight:700;
}
.card.kit{ background: var(--gold-soft); border-color: rgba(201,162,39,0.4); }
.card.pillar-card{ padding: 26px 22px; }
.card.pillar-card .letter{
  display:inline-flex; align-items:center; justify-content:center;
  width:38px; height:38px; border-radius:50%;
  background: var(--gold-soft); color: var(--gold);
  font-family: var(--serif); font-weight:600; font-size:1.1rem;
  margin-bottom:10px;
}

.pillar-head{ margin-bottom: 8px; }

.prevnext{
  margin-top: 44px; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size:0.85rem; color: var(--cream-dim); display:flex; flex-wrap:wrap; gap:8px 4px;
}
.prevnext a{ text-decoration:none; color: var(--cream-dim); }
.prevnext a:hover{ color: var(--gold); }

.sitefooter{
  text-align:center; padding: 40px 24px 60px; color: var(--cream-dim);
  font-size:0.85rem; border-top: 1px solid rgba(255,255,255,0.08);
}
.sitefooter em{ font-style:italic; color: var(--cream); }
.sitefooter .tag{ margin-top:6px; color: var(--gold); letter-spacing:0.02em; }

@media (max-width: 720px){
  .navlist{
    display:none; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; background: var(--navy-deep);
    padding: 14px 24px 24px; gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .navlist.open{ display:flex; }
  .navtoggle{ display:block; }
}