/* ---------- Tokens ---------- */
:root{
  --navy: #0A2240;
  --navy-deep: #061529;
  --navy-tint: #10305A;
  --steel: #4B4F54;
  --steel-light: #7C8087;
  --white: #FFFFFF;
  --paper: #F6F5F1;
  --paper-line: #E7E4DC;
  --gold: #C7A34C;
  --gold-deep: #A3822F;
  --line-on-navy: rgba(255,255,255,0.14);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  --wrap: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color: inherit; }
.wrap{ max-width: var(--wrap); margin: 0 auto; padding: 0 32px; }

.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--navy); color:var(--white); padding:12px 18px;
  z-index:100; border-radius:0 0 6px 0;
}
.skip-link:focus{ left:0; top:0; }

h1,h2,h3{ font-family: var(--font-display); font-weight:600; margin:0; color: var(--navy); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-body); font-weight:600; font-size:0.95rem;
  padding:12px 22px; border-radius:3px; text-decoration:none;
  border:1.5px solid transparent; cursor:pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--gold); color: var(--navy-deep); }
.btn-primary:hover{ background: var(--gold-deep); }
.btn-ghost{ border-color: var(--line-on-navy); color: var(--white); }
.btn-ghost:hover{ border-color: var(--gold); color: var(--gold); }
.btn-text{ padding:12px 4px; color: var(--navy); font-weight:600; }
.btn-text:hover{ color: var(--gold-deep); }
.btn-download{
  font-family: var(--font-mono); font-size:0.78rem; letter-spacing:.02em;
  padding:8px 14px; border:1.5px solid var(--navy); color: var(--navy);
  border-radius:2px; white-space:nowrap;
}
.btn-download:hover{ background: var(--navy); color: var(--white); }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index:50;
  background: var(--navy); color: var(--white);
  border-bottom: 1px solid var(--line-on-navy);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.logo{ display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--white); }
.logo-mark{ color: var(--gold); display:flex; }
.logo-mark svg{ width:26px; height:26px; }
.logo-word{ font-family: var(--font-display); font-weight:600; font-size:1.35rem; letter-spacing: .01em; }
.main-nav{ display:flex; gap:34px; }
.main-nav a{
  text-decoration:none; color: rgba(255,255,255,0.82); font-size:0.95rem; font-weight:500;
  position:relative; padding:4px 0;
}
.main-nav a:hover{ color: var(--white); }
.header-cta{ font-size:0.88rem; padding:10px 18px; }

/* ---------- Hero ---------- */
.hero{ background: var(--navy); color: var(--white); position:relative; overflow:hidden; }
.hero::after{
  content:""; position:absolute; right:-120px; top:-160px; width:520px; height:520px;
  border-radius:50%;
  background: radial-gradient(circle at center, rgba(199,163,76,0.14), rgba(199,163,76,0) 70%);
  pointer-events:none;
}
.hero-inner{ padding: 88px 32px 64px; max-width: 760px; position:relative; z-index:1; }
.eyebrow{
  font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.12em;
  font-size:0.75rem; color: var(--gold); margin:0 0 22px;
}
.hero h1{
  font-size: clamp(2.4rem, 5vw, 3.6rem); line-height:1.08; color: var(--white);
  margin-bottom:22px; letter-spacing:-0.01em;
}
.hero-sub{
  font-size:1.08rem; line-height:1.65; color: rgba(255,255,255,0.78); max-width:560px; margin:0 0 34px;
}
.hero-actions{ display:flex; align-items:center; gap:28px; flex-wrap:wrap; }
.hero-actions .btn-text{ color: rgba(255,255,255,0.85); }
.hero-actions .btn-text:hover{ color: var(--gold); }

.hero-ledger{ background: var(--navy-deep); border-top:1px solid var(--line-on-navy); position:relative; z-index:1; }
.ledger-strip{
  display:grid; grid-template-columns: repeat(4, 1fr);
  padding: 22px 32px;
}
.ledger-item{
  display:flex; flex-direction:column; gap:4px;
  padding: 0 24px; border-left: 1px solid var(--line-on-navy);
}
.ledger-item:first-child{ border-left:none; padding-left:0; }
.led-num{ font-family: var(--font-mono); font-size:1.15rem; color: var(--gold); font-weight:600; }
.led-label{ font-size:0.78rem; color: rgba(255,255,255,0.62); }

/* ---------- Filter bar ---------- */
.filter-bar{
  background: var(--paper); border-bottom:1px solid var(--paper-line);
  position: sticky; top:72px; z-index:40;
}
.filter-inner{
  display:flex; align-items:center; gap:28px; padding:18px 32px; flex-wrap:wrap;
}
.search-field{
  display:flex; align-items:center; gap:10px;
  background: var(--white); border:1.5px solid var(--paper-line); border-radius:4px;
  padding:9px 14px; flex: 1 1 260px; max-width:360px;
}
.search-field svg{ width:17px; height:17px; color: var(--steel-light); flex-shrink:0; }
.search-field input{
  border:none; outline:none; font-family: var(--font-body); font-size:0.92rem;
  width:100%; background:transparent; color: var(--navy);
}
.search-field input::placeholder{ color: var(--steel-light); }
.chip-row{ display:flex; gap:10px; flex-wrap:wrap; }
.chip{
  font-family: var(--font-body); font-size:0.85rem; font-weight:600;
  padding:8px 16px; border-radius:20px; border:1.5px solid var(--paper-line);
  background: var(--white); color: var(--steel); cursor:pointer;
  transition: all .15s ease;
}
.chip:hover{ border-color: var(--navy); color: var(--navy); }
.chip.is-active{ background: var(--navy); border-color: var(--navy); color: var(--white); }

/* ---------- Section shared ---------- */
.section-head{ margin-bottom:36px; }
.section-head h2{ font-size:1.9rem; margin-bottom:8px; }
.section-head p{ color: var(--steel); font-size:1rem; margin:0; }

.featured{ padding: 76px 0 20px; }
.all-tools{ padding: 76px 0 96px; }

/* ---------- Featured cards ---------- */
.featured-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap:24px;
}
.tool-card{
  border:1.5px solid var(--paper-line); border-radius:6px; padding:28px;
  display:flex; flex-direction:column; gap:16px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  background: var(--white);
}
.tool-card:hover{
  border-color: var(--gold); transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(10,34,64,0.08);
}
.tool-icon{
  width:46px; height:46px; border-radius:8px; background: var(--navy);
  display:flex; align-items:center; justify-content:center; color: var(--gold);
}
.tool-icon svg{ width:22px; height:22px; }
.tool-card h3{ font-size:1.2rem; }
.tool-card .tool-desc{ color: var(--steel); font-size:0.92rem; line-height:1.55; flex:1; }
.tool-meta-row{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
.tag{
  font-family: var(--font-mono); font-size:0.72rem; text-transform:uppercase; letter-spacing:.05em;
  color: var(--gold-deep); background: rgba(199,163,76,0.12); padding:4px 10px; border-radius:20px;
}

/* ---------- Ledger table ---------- */
.ledger-table{ border-top:2px solid var(--navy); }
.ledger-head{
  display:grid; grid-template-columns: 2.2fr 1fr 0.8fr 0.7fr 0.9fr;
  padding:14px 0; font-family: var(--font-mono); font-size:0.74rem;
  text-transform:uppercase; letter-spacing:.06em; color: var(--steel-light);
  border-bottom:1px solid var(--paper-line);
}
.ledger-row{
  display:grid; grid-template-columns: 2.2fr 1fr 0.8fr 0.7fr 0.9fr;
  align-items:center; padding:20px 0; border-bottom:1px solid var(--paper-line);
}
.ledger-row:hover{ background: var(--paper); }
.row-name{ display:flex; flex-direction:column; gap:3px; padding-right:16px; }
.row-name strong{ font-size:1.02rem; font-family: var(--font-display); font-weight:600; }
.row-name span{ font-size:0.85rem; color: var(--steel); }
.row-cat{ font-size:0.86rem; color: var(--steel); }
.row-ver, .row-size{ font-family: var(--font-mono); font-size:0.85rem; color: var(--navy); }
.row-dl{ justify-self:end; }

.empty-state{ text-align:center; color: var(--steel); padding:48px 0 0; font-size:0.95rem; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--navy-deep); color: rgba(255,255,255,0.75); padding:64px 0 0; }
.footer-grid{
  display:grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap:40px;
  padding-bottom:48px; border-bottom:1px solid var(--line-on-navy);
}
.footer-brand p{ font-size:0.9rem; line-height:1.6; margin-top:14px; max-width:280px; }
.footer-logo{ color: var(--white); font-size:1.25rem; }
.footer-col h3{
  font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.08em;
  font-size:0.76rem; color: var(--gold); margin-bottom:16px; font-weight:600;
}
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px; }
.footer-col a{ text-decoration:none; font-size:0.9rem; color: rgba(255,255,255,0.75); }
.footer-col a:hover{ color: var(--gold); }
.footer-bottom{
  display:flex; justify-content:space-between; padding:22px 32px;
  font-size:0.8rem; color: rgba(255,255,255,0.5); flex-wrap:wrap; gap:8px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .main-nav{ display:none; }
  .ledger-strip{ grid-template-columns: repeat(2, 1fr); row-gap:22px; }
  .ledger-item:nth-child(3){ border-left:none; padding-left:0; }
  .featured-grid{ grid-template-columns: 1fr; }
  .ledger-head{ display:none; }
  .ledger-row{
    grid-template-columns: 1fr; row-gap:8px; padding:20px 0;
  }
  .row-dl{ justify-self:start; margin-top:6px; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .hero-inner{ padding: 64px 20px 48px; }
  .wrap{ padding: 0 20px; }
  .footer-grid{ grid-template-columns: 1fr; }
  .filter-inner{ padding: 16px 20px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
}