:root{
  --field-dusk:#181F2A;
  --field-dusk-2:#212B39;
  --prairie-gold:#C9A227;
  --gold-bright:#E4C158;
  --rust-iron:#9A4B2B;
  --chalk:#F3EEE2;
  --chalk-dim:#CBC4B4;
  --denim:#3D5A73;
  --line: rgba(243,238,226,0.14);
  --maxw: 1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--field-dusk);
  color:var(--chalk);
  font-family:'Public Sans', sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{
  font-family:'Big Shoulders Display', sans-serif;
  text-transform:uppercase;
  letter-spacing:0.01em;
  line-height:0.95;
  margin:0;
}
.mono{
  font-family:'IBM Plex Mono', monospace;
  letter-spacing:0.03em;
}
a{color:inherit;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
img,svg{display:block;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* ===== Nav ===== */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(24,31,42,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 28px; max-width:var(--maxw); margin:0 auto;
}
.brand{display:flex; align-items:baseline; gap:10px;}
.brand-mark{
  font-family:'Big Shoulders Display', sans-serif;
  font-weight:800;
  font-size:1.35rem;
  letter-spacing:0.02em;
  text-transform:uppercase;
  text-decoration:none;
}
.brand-mark span{color:var(--prairie-gold);}
.brand-sub{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.62rem;
  color:var(--chalk-dim);
  letter-spacing:0.16em;
  text-transform:uppercase;
  display:none;
}
nav.links{display:flex; gap:28px; align-items:center;}
nav.links a{
  font-size:0.85rem;
  text-decoration:none;
  color:var(--chalk-dim);
  font-weight:600;
  letter-spacing:0.02em;
  transition:color 0.2s ease;
}
nav.links a:hover, nav.links a:focus-visible{color:var(--gold-bright);}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--prairie-gold);
  color:var(--field-dusk);
  font-weight:700;
  font-size:0.85rem;
  padding:11px 20px;
  border-radius:2px;
  text-decoration:none;
  border:1px solid var(--prairie-gold);
  cursor:pointer;
  transition:background 0.2s ease, transform 0.15s ease;
}
.btn:hover, .btn:focus-visible{background:var(--gold-bright); border-color:var(--gold-bright);}
.btn:active{transform:translateY(1px);}
.btn.ghost{background:transparent; color:var(--chalk); border-color:var(--line);}
.btn.ghost:hover, .btn.ghost:focus-visible{border-color:var(--gold-bright); color:var(--gold-bright); background:transparent;}
:focus-visible{outline:2px solid var(--gold-bright); outline-offset:3px;}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:100px 0 90px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background:
    repeating-linear-gradient(180deg, transparent 0 78px, var(--line) 78px 79px),
    radial-gradient(ellipse at 80% 0%, rgba(201,162,39,0.10), transparent 55%);
  pointer-events:none;
}
.hero-inner{position:relative; display:grid; grid-template-columns:1.2fr 0.8fr; gap:48px; align-items:end;}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  color:var(--prairie-gold);
  letter-spacing:0.22em;
  text-transform:uppercase;
  margin-bottom:18px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:""; width:22px; height:1px; background:var(--prairie-gold);}
.hero h1{
  font-size:clamp(2.6rem, 6vw, 5rem);
  font-weight:800;
  color:var(--chalk);
}
.hero h1 em{font-style:normal; color:var(--prairie-gold);}
.hero p.lead{margin-top:22px; max-width:52ch; color:var(--chalk-dim); font-size:1.08rem;}
.hero-cta{margin-top:34px; display:flex; gap:16px; flex-wrap:wrap;}
.hero-stats{justify-self:end; display:grid; gap:0; border-left:1px solid var(--line); padding-left:32px;}
.stat{padding:14px 0; border-bottom:1px solid var(--line);}
.stat:last-child{border-bottom:none;}
.stat .num{font-family:'Big Shoulders Display'; font-size:2.1rem; font-weight:800; color:var(--gold-bright);}
.stat .lbl{font-family:'IBM Plex Mono'; font-size:0.68rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--chalk-dim);}

@media (max-width: 860px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-stats{justify-self:start; border-left:none; padding-left:0; border-top:1px solid var(--line); padding-top:20px; margin-top:10px; display:flex; gap:32px;}
  .stat{border-bottom:none; padding:0;}
}

/* ===== Section shell ===== */
section{padding:88px 0;}
.section-head{max-width:640px; margin-bottom:56px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head h2{font-size:clamp(1.9rem,4vw,2.8rem); font-weight:800;}
.section-head p{color:var(--chalk-dim); margin-top:16px; font-size:1rem;}

/* ===== Trail ===== */
.trail-section{background:var(--field-dusk-2); border-bottom:1px solid var(--line);}
.trail{position:relative; display:flex; flex-direction:column; gap:0;}
.trail::before{
  content:"";
  position:absolute; left:19px; top:8px; bottom:8px; width:2px;
  background:repeating-linear-gradient(180deg, var(--prairie-gold) 0 10px, transparent 10px 20px);
  opacity:0.55;
}
.stop{
  position:relative; display:grid; grid-template-columns:48px 1fr; gap:24px;
  padding:26px 0; border-bottom:1px solid var(--line);
  opacity:0; transform:translateY(14px);
  transition:opacity 0.6s ease, transform 0.6s ease;
}
.stop.in-view{opacity:1; transform:translateY(0);}
.stop:last-child{border-bottom:none;}
.stop-marker{
  position:relative; width:40px; height:40px; border-radius:50%;
  background:var(--field-dusk-2); border:2px solid var(--prairie-gold);
  display:flex; align-items:center; justify-content:center;
  font-family:'IBM Plex Mono'; font-weight:600; font-size:0.72rem;
  color:var(--gold-bright); z-index:1;
}
.stop-body{display:grid; grid-template-columns:1fr auto; gap:16px 24px; align-items:center;}
.stop-name{font-size:clamp(1.3rem,2.6vw,1.7rem); font-weight:700; color:var(--chalk); text-decoration:none;}
a.stop-name:hover, a.stop-name:focus-visible{color:var(--gold-bright);}
.stop-meta{
  grid-column:1 / -1; display:flex; flex-wrap:wrap; gap:10px 22px;
  font-family:'IBM Plex Mono'; font-size:0.78rem; color:var(--chalk-dim);
}
.stop-meta span b{color:var(--chalk); font-weight:600;}
.stop-cta{white-space:nowrap;}
@media (max-width: 640px){
  .stop-body{grid-template-columns:1fr;}
  .stop-cta{justify-self:start;}
}
.placeholder-note{
  margin-top:28px; font-size:0.82rem; color:var(--chalk-dim);
  border-left:2px solid var(--rust-iron); padding:10px 16px;
  background:rgba(154,75,43,0.08);
}

/* ===== Why ===== */
.why-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line);}
.why-card{background:var(--field-dusk); padding:34px 30px;}
.why-card .mark{font-family:'IBM Plex Mono'; color:var(--prairie-gold); font-size:0.75rem; letter-spacing:0.1em;}
.why-card h3{font-size:1.35rem; font-weight:700; margin-top:14px; text-transform:none;}
.why-card p{color:var(--chalk-dim); margin-top:10px; font-size:0.95rem;}
@media (max-width:800px){.why-grid{grid-template-columns:1fr;}}

/* ===== Register form ===== */
.register-section{background:var(--field-dusk-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.register-layout{display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; align-items:start;}
@media (max-width:900px){.register-layout{grid-template-columns:1fr;}}
.form-card{background:var(--field-dusk); border:1px solid var(--line); padding:36px;}
.field{margin-bottom:20px;}
.field label{
  display:block; font-family:'IBM Plex Mono'; font-size:0.72rem;
  letter-spacing:0.08em; text-transform:uppercase; color:var(--chalk-dim); margin-bottom:8px;
}
.field input, .field select{
  width:100%; background:var(--field-dusk-2); border:1px solid var(--line);
  color:var(--chalk); padding:12px 14px; font-family:'Public Sans'; font-size:0.95rem; border-radius:2px;
}
.field input:focus, .field select:focus{border-color:var(--prairie-gold); outline:none;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media (max-width:520px){.field-row{grid-template-columns:1fr;}}
.form-msg{margin-top:18px; font-size:0.9rem; color:var(--gold-bright); display:none;}
.form-msg.show{display:block;}
.form-msg.error{color:#E38B6B;}

/* ===== Detail page ===== */
.breadcrumb{
  font-family:'IBM Plex Mono'; font-size:0.72rem; color:var(--chalk-dim);
  letter-spacing:0.06em; text-transform:uppercase; margin-bottom:18px;
}
.breadcrumb a{color:var(--prairie-gold); text-decoration:none;}
.breadcrumb a:hover{color:var(--gold-bright);}
.detail-grid{display:grid; grid-template-columns:1.3fr 0.7fr; gap:56px;}
@media (max-width:860px){.detail-grid{grid-template-columns:1fr;}}
.info-list{display:flex; flex-direction:column; gap:0; border-top:1px solid var(--line);}
.info-row{display:flex; justify-content:space-between; gap:16px; padding:16px 0; border-bottom:1px solid var(--line);}
.info-row .k{font-family:'IBM Plex Mono'; font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--chalk-dim);}
.info-row .v{font-weight:600; text-align:right;}
.heritage-note{
  margin-top:32px; padding:24px; background:var(--field-dusk-2); border-left:2px solid var(--prairie-gold);
}
.heritage-note .mark{font-family:'IBM Plex Mono'; font-size:0.7rem; color:var(--prairie-gold); letter-spacing:0.1em;}
.heritage-note p{margin-top:10px; color:var(--chalk-dim); font-size:0.95rem;}

/* ===== Footer ===== */
footer{padding:48px 0 40px;}
.footer-grid{display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; align-items:center; border-top:1px solid var(--line); padding-top:32px;}
.footer-brand{font-family:'Big Shoulders Display'; font-weight:800; font-size:1.1rem; text-transform:uppercase;}
.footer-brand span{color:var(--prairie-gold);}
.footer-meta{font-family:'IBM Plex Mono'; font-size:0.72rem; color:var(--chalk-dim); letter-spacing:0.05em;}