/* History Journeys — shared styles for inner pages (expertise, research, detours) */
:root{
  --amber:#F7941D; --amber-hi:#FFB449; --amber-deep:#c9720a; --ember:#8a4a0e;
  --night:#100c09; --night-2:#171210;
  --bone:#f2ead9; --bone-dim:#c9bda8; --mist:#8d8172;
  --line:rgba(242,234,217,.12);
  --cream:#FAF6F0; --sandstone:#E8DCC4; --sand-soft:#efe7d6;
  --ink:#231F20; --ink-text:#3A3331; --ink-muted:#6d645d;
  --line-ink:rgba(35,31,32,.12);
  --serif:'Hind', Georgia, serif;
  --sans:'Hind', -apple-system, 'Segoe UI', sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--cream);color:var(--ink-text);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased}
::selection{background:var(--amber);color:var(--night)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;letter-spacing:-.01em;color:var(--ink)}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,4vw,44px)}
.narrow{max-width:820px;margin:0 auto;padding:0 clamp(20px,4vw,44px)}

/* Nav */
header{position:fixed;top:0;left:0;right:0;z-index:90;background:rgba(250,246,240,.93);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-ink);transition:box-shadow .3s}
header.solid{box-shadow:0 4px 24px rgba(35,31,32,.09)}
.navbar{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand svg{height:52px;width:auto;--mono-fill:var(--amber);--word-fill:var(--ink)}
.brand .bn{font-family:var(--serif);font-weight:700;font-size:21px;letter-spacing:.01em;color:var(--ink);line-height:1.1}
.brand .bt{display:block;font-family:var(--sans);font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-muted);margin-top:4px}
nav.main{display:flex;gap:clamp(16px,2.4vw,30px);align-items:center}
nav.main a{text-decoration:none;font-size:14px;font-weight:500;letter-spacing:.01em;color:var(--ink-text);transition:color .2s}
nav.main a:hover,nav.main a.here{color:var(--amber-deep)}
#nav-toggle{display:none}
.burger{display:none;cursor:pointer;width:30px;height:22px;position:relative;z-index:99}
.burger span{position:absolute;left:0;right:0;height:2px;background:var(--ink);transition:.3s;border-radius:2px}
.burger span:nth-child(1){top:2px}.burger span:nth-child(2){top:10px}.burger span:nth-child(3){top:18px}

/* Page hero strip */
.page-hero{background:linear-gradient(160deg,#14100c 0%,#241611 70%,#1a100b 100%);color:var(--bone);padding:150px 0 64px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--amber-deep),var(--amber),var(--amber-hi))}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--amber);margin-bottom:18px}
.kicker::before{content:"";width:26px;height:1px;background:var(--amber)}
.page-hero h1{font-size:clamp(2.1rem,5vw,3.3rem);color:#fff;max-width:22ch}
.page-hero .lede{margin-top:16px;max-width:64ch;color:var(--bone-dim);font-size:1.08rem}

/* Content */
section{padding:clamp(56px,7vw,90px) 0}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:14.5px;letter-spacing:.02em;padding:15px 30px;border-radius:999px;transition:.25s}
.btn-amber{background:linear-gradient(140deg,var(--amber-hi),var(--amber-deep));color:#1a1108}
.btn-amber:hover{filter:brightness(1.12);transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(35,31,32,.45);color:var(--ink)}
.btn-ghost:hover{border-color:var(--amber-deep);color:var(--amber-deep)}
.actions{margin-top:44px;display:flex;gap:14px;flex-wrap:wrap}

/* Expertise grid */
.xp-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:8px}
.xp{background:#fff;border:1px solid var(--line-ink);border-left:3px solid var(--amber);border-radius:12px;padding:18px 20px;font-size:.98rem;color:var(--ink-text);transition:.25s}
.xp:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(35,31,32,.08)}

/* Research list */
.paper{background:#fff;border:1px solid var(--line-ink);border-radius:12px;padding:22px 24px;margin-bottom:14px;transition:.25s}
.paper:hover{box-shadow:0 8px 22px rgba(35,31,32,.08)}
.paper .yr{font-family:var(--serif);font-weight:700;color:var(--amber-deep);font-size:.95rem;letter-spacing:.06em}
.paper p{margin-top:6px;font-size:.98rem;line-height:1.65}
.paper em{font-style:italic}
.paper a{color:var(--amber-deep);font-weight:600;text-decoration:none}
.paper a:hover{text-decoration:underline}

/* Detours article */
article.detour{background:var(--cream)}
.detour .meta{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber-deep);font-weight:600;margin-bottom:14px}
.detour h2{font-size:clamp(1.5rem,3vw,2rem);margin:44px 0 14px}
.detour h3{font-size:1.25rem;margin:36px 0 12px}
.detour p{margin:0 0 1.1em;line-height:1.75}
.detour figure{margin:34px 0}
.detour figure img{width:100%;border-radius:14px;display:block}
.detour figcaption{font-size:.85rem;color:var(--ink-muted);margin-top:10px;font-style:italic}
.reading{background:var(--sand-soft);border:1px solid var(--line-ink);border-radius:14px;padding:24px 26px;margin-top:44px}
.reading h3{margin:0 0 12px}
.reading a{display:block;color:var(--amber-deep);font-weight:600;text-decoration:none;padding:6px 0;font-size:.95rem}
.reading a:hover{text-decoration:underline}

/* Footer */
footer{background:#0b0806;border-top:1px solid var(--line);padding:56px 0 40px;color:var(--bone-dim)}
.ack{max-width:74ch;font-size:.93rem;line-height:1.75}
.ack h4{font-family:var(--serif);font-weight:600;color:var(--bone);font-size:1.05rem;margin-bottom:12px}
.foot-row{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;margin-top:42px;padding-top:26px;border-top:1px solid var(--line);font-size:.82rem;color:var(--mist)}
.foot-row a{color:var(--bone-dim)}

/* Detours live hero — photo-ball banner */
.page-hero.detours-live{min-height:72vh;display:flex;align-items:center;padding:150px 0 80px;background:linear-gradient(180deg,#100c09 0%,#171210 100%)}
.page-hero.detours-live #hj-balls{position:absolute;inset:0;width:100%;height:100%;cursor:grab;touch-action:none;z-index:0}
.page-hero.detours-live #hj-balls.grabbing{cursor:grabbing}
.page-hero.detours-live::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,8,6,.85) 0%,rgba(11,8,6,.55) 40%,rgba(11,8,6,.12) 70%,transparent 100%);pointer-events:none;z-index:1}
.page-hero.detours-live .wrap{position:relative;z-index:2;pointer-events:none}
.page-hero.detours-live h1,.page-hero.detours-live .lede{text-shadow:0 2px 10px rgba(0,0,0,.85),0 2px 28px rgba(0,0,0,.6)}
@media (max-width:760px){.page-hero.detours-live{min-height:60vh}}

/* Reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.6,.2,1),transform .8s cubic-bezier(.2,.6,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

@media(max-width:760px){
  header{background:var(--cream);-webkit-backdrop-filter:none;backdrop-filter:none}
  .burger{display:block}
  .brand{gap:10px}
  .brand svg{height:42px}
  .brand .bn{font-size:16px}
  .brand .bt{font-size:8.5px;letter-spacing:.12em;margin-top:2px}
  nav.main{position:fixed;inset:0;background:#FAF6F0;flex-direction:column;justify-content:center;gap:30px;transform:translateX(100%);transition:transform .35s;z-index:95}
  nav.main a{font-size:1.2rem;color:var(--ink)}
  #nav-toggle:checked ~ nav.main{transform:none}
  #nav-toggle:checked ~ .burger span:nth-child(1){top:10px;transform:rotate(45deg)}
  #nav-toggle:checked ~ .burger span:nth-child(2){opacity:0}
  #nav-toggle:checked ~ .burger span:nth-child(3){top:10px;transform:rotate(-45deg)}
  .xp-grid{grid-template-columns:1fr}
}