/* R7 Rails — dark slow-travel rail journal
   Palette: deep slate night + brass/amber lamp glow + rail-steel
*/
:root{
  --night:#10151c;
  --night-2:#161d27;
  --card:#1b232f;
  --line:#2a3645;
  --ink:#e8edf4;
  --ink-soft:#a9b6c6;
  --ink-faint:#6f7e90;
  --brass:#d9a441;
  --brass-soft:#f0c873;
  --steel:#6fa8c7;
  --maxw:1080px;
  --r:14px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.8);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(217,164,65,.10), transparent 60%),
    var(--night);
  color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--brass-soft);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:"Fraunces","Georgia",serif;line-height:1.15;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.3rem);margin:.2em 0 .35em}
h2{font-size:clamp(1.5rem,3.4vw,2.1rem);margin:1.8em 0 .5em}
h3{font-size:1.25rem;margin:1.4em 0 .4em}
p{margin:0 0 1.05em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brass);font-weight:600}

/* header */
.site-head{position:sticky;top:0;z-index:30;background:rgba(16,21,28,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;max-width:var(--maxw);margin:0 auto;padding:13px 22px}
.brand{display:flex;align-items:center;gap:10px;font-family:"Fraunces",serif;font-weight:600;font-size:1.18rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand svg{width:30px;height:30px}
.nav-links{margin-left:auto;display:flex;gap:20px;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);font-size:.95rem}
.nav-links a:hover{color:var(--brass-soft);text-decoration:none}
.menu-btn{margin-left:auto;display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:9px;padding:8px 11px;cursor:pointer}

/* hero */
.hero{padding:64px 0 30px;position:relative}
.hero .lead{font-size:1.2rem;color:var(--ink-soft);max-width:62ch}
.hero-art{margin:30px 0 0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--night-2);box-shadow:var(--shadow)}

/* buttons */
.btn{display:inline-block;background:var(--brass);color:#1a1206;padding:12px 22px;border-radius:999px;font-weight:600;border:1px solid var(--brass)}
.btn:hover{background:var(--brass-soft);text-decoration:none}
.btn.ghost{background:transparent;color:var(--brass-soft)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* grid cards */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));margin:24px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-3px);border-color:var(--brass)}
.card a.cover{display:block}
.card .body{padding:18px 20px}
.card h3{margin:.1em 0 .3em}
.card p{color:var(--ink-soft);font-size:.96rem;margin:0 0 .6em}
.tag{display:inline-block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);border:1px solid var(--line);border-radius:999px;padding:3px 10px;margin-right:6px}

/* article */
.article{max-width:760px;margin:0 auto;padding:40px 0 20px}
.article ul,.article ol{color:var(--ink-soft);padding-left:1.2em}
.article li{margin:.35em 0}
.meta{color:var(--ink-faint);font-size:.9rem;margin-bottom:18px}
.callout{background:var(--night-2);border-left:3px solid var(--brass);border-radius:8px;padding:14px 18px;margin:22px 0;color:var(--ink-soft)}
.fact-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.96rem}
.fact-table th,.fact-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
.fact-table th{color:var(--brass);font-weight:600;width:38%}

/* breadcrumb */
.crumb{font-size:.85rem;color:var(--ink-faint);padding-top:26px}
.crumb a{color:var(--ink-soft)}

/* footer */
.site-foot{border-top:1px solid var(--line);margin-top:60px;background:var(--night-2)}
.foot-grid{display:grid;gap:26px;grid-template-columns:1.4fr 1fr 1fr;max-width:var(--maxw);margin:0 auto;padding:44px 22px 22px}
.foot-grid h4{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 12px}
.foot-grid a{display:block;color:var(--ink-soft);font-size:.94rem;margin:7px 0}
.foot-bottom{max-width:var(--maxw);margin:0 auto;padding:16px 22px 34px;color:var(--ink-faint);font-size:.85rem;border-top:1px solid var(--line)}

@media(max-width:720px){
  .nav-links{display:none;width:100%;flex-direction:column;gap:4px;margin:8px 0 4px}
  .nav-links.open{display:flex}
  .menu-btn{display:inline-block}
  .nav{flex-wrap:wrap}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:focus-visible{outline:2px solid var(--brass-soft);outline-offset:2px;border-radius:4px}