:root {
  --ink:#141414;--surface:#1E1E1E;--surface-hover:#2A2A2A;
  --copper:#C17F3E;--copper-light:#D4963C;--copper-dim:rgba(193,127,62,0.15);
  --ivory:#F5F0E8;--ivory-mid:#D8D2C8;--ivory-muted:rgba(245,240,232,0.45);
  --ivory-faint:rgba(245,240,232,0.12);--ivory-hint:rgba(245,240,232,0.06);
  --text-faint:rgba(245,240,232,0.25);
  --bronze:#8B7355;--steel:#7B9BAF;--sage:#7A8B6F;--warm-gray:#8A8A82;--brick:#A65D5D;--charcoal:#5A5A5A;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;background:var(--ink);color:var(--ivory);-webkit-font-smoothing:antialiased;overflow-x:hidden}
.serif{font-family:'Instrument Serif',serif}

/* Nav */
.site-nav{position:sticky;top:0;z-index:100;padding:12px 24px;display:flex;justify-content:space-between;align-items:center;background:rgba(20,20,20,0.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--ivory-hint)}
.nav-left{display:flex;align-items:center;gap:32px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;position:relative;padding-bottom:6px}
.nav-logo::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:var(--copper)}
.nav-iq{font-family:'Instrument Serif',serif;font-size:14px;color:var(--ivory);font-weight:500;position:relative}
.nav-iq .br{font-weight:300;color:var(--copper);font-size:18px}
.nav-sep{width:0.5px;height:18px;background:var(--ivory-faint);margin:0 2px}
.nav-name{font-family:'Instrument Serif',serif;font-size:14px;color:var(--ivory);font-weight:400}
.nav-name .tv{color:var(--copper)}
.nav-links{display:flex;gap:24px}
.nav-links a{font-size:13px;color:var(--ivory-muted);text-decoration:none;transition:color .2s;font-weight:400}
.nav-links a:hover,.nav-links a.active{color:var(--copper)}
.nav-cta{font-size:12px;font-weight:600;letter-spacing:0.5px;color:var(--copper);text-decoration:none;border:1px solid rgba(193,127,62,0.35);padding:8px 18px;border-radius:4px;transition:all .2s}
.nav-cta:hover{background:var(--copper);color:var(--ink)}
@media(max-width:700px){.nav-links{display:none}.nav-left{gap:0}.nav-name{display:none}.nav-sep{display:none}}

/* Category badges */
.cat-masterclass{background:var(--copper-dim);color:var(--copper)}
.cat-stimulating{background:rgba(123,155,175,.12);color:var(--steel)}
.cat-competent{background:rgba(122,139,111,.12);color:var(--sage)}
.cat-passive{background:rgba(138,138,130,.12);color:var(--warm-gray)}
.cat-numbing{background:rgba(166,93,93,.12);color:var(--brick)}

/* Footer */
.site-footer{text-align:center;padding:40px 24px;border-top:1px solid var(--ivory-hint);margin-top:40px}
.site-footer .brand{font-size:10px;letter-spacing:2.5px;text-transform:uppercase;color:var(--text-faint);margin-bottom:6px}
.site-footer .tag{font-family:'Instrument Serif',serif;font-size:13px;color:var(--text-faint);font-style:italic;opacity:.6}
.site-footer .foot-links{margin-top:12px;display:flex;gap:20px;justify-content:center}
.site-footer .foot-links a{font-size:11px;color:var(--ivory-muted);text-decoration:none}
.site-footer .foot-links a:hover{color:var(--copper)}

/* Shared utilities */
.container{max-width:1080px;margin:0 auto;padding:0 24px}
.section-tag{font-size:11px;font-weight:500;letter-spacing:3px;text-transform:uppercase;color:var(--copper);margin-bottom:20px}
.section-title{font-family:'Instrument Serif',serif;font-size:clamp(28px,4vw,48px);font-weight:400;line-height:1.15;margin-bottom:20px}
.section-body{font-size:16px;line-height:1.75;color:var(--ivory-muted);max-width:620px;font-weight:300}
.section-body strong{color:var(--ivory);font-weight:500}

/* Buttons */
.btn{display:inline-block;padding:14px 24px;text-align:center;background:var(--copper);color:var(--ink);border:none;border-radius:6px;font-family:'DM Sans',sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}
.btn:hover{background:var(--copper-light)}
.btn:disabled{opacity:.25;cursor:not-allowed}
.btn-ghost{background:transparent;border:1px solid var(--ivory-faint);color:var(--ivory-muted)}
.btn-ghost:hover{background:var(--ivory-hint);color:var(--ivory)}

/* Search */
.search-input{width:100%;padding:13px 15px;background:var(--ivory-hint);border:1px solid var(--ivory-faint);border-radius:8px;color:var(--ivory);font-family:'DM Sans',sans-serif;font-size:14px;outline:none;transition:border-color .2s}
.search-input:focus{border-color:var(--copper)}
.search-input::placeholder{color:var(--text-faint)}
.dd{position:absolute;top:100%;left:0;right:0;z-index:50;background:var(--surface);border:1px solid var(--ivory-faint);border-radius:8px;margin-top:3px;max-height:240px;overflow-y:auto;display:none}
.dd.open{display:block}
.dd-item{padding:10px 14px;cursor:pointer;font-size:13px;display:flex;justify-content:space-between;transition:background .12s}
.dd-item:hover{background:var(--ivory-hint)}
.no-results{padding:16px;text-align:center;font-size:13px;color:var(--ivory-muted)}

/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:6px;min-height:32px}
.chip{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;background:var(--copper-dim);border:1px solid rgba(193,127,62,.2);border-radius:16px;font-size:12px;color:var(--copper-light);animation:pop .2s ease}
.chip .x{cursor:pointer;opacity:.5;font-size:14px;line-height:1}.chip .x:hover{opacity:1}
@keyframes pop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}

/* Bars */
.bar-cog{background:var(--charcoal)}.bar-edu{background:var(--copper)}.bar-ent{background:var(--bronze)}