/* Inspired re-theme: modern system, generous whitespace */
:root {
  /* Color surfaces */
  --page-reading: #f5efe5;
  --surface-neutral: rgba(255, 255, 255, 0.78);
  --surface-reading: rgba(255, 250, 243, 0.92);
  --surface-emphasis: #edf3eb;
  --surface-proof: #dfe9e1;
  --surface-reflection: #efe5d7;
  --surface-synthesis: #e4eaf2;
  --surface-warning: #f5e2d7;
  --surface-next: #e6efe3;

  /* Borders & ink */
  --border-neutral: rgba(73, 90, 77, 0.16);
  --border-strong: rgba(73, 90, 77, 0.28);
  --border-proof: rgba(83, 111, 92, 0.24);
  --ink-strong: #203126;
  --ink-body: #435548;
  --ink-muted: #536354;

  /* Accents */
  --accent: #7d9875;
  --accent-strong: #4f6854;
  --signal: #7a4e21;

  /* Typography sizes */
  --type-hero-size: clamp(3rem, 6vw, 4.85rem);
  --type-section-size: clamp(2rem, 4vw, 3rem);
  --type-body-size: 1rem;
  --type-body-leading: 1.8;
  --type-concept-size: 1.25rem;
  --type-caption-size: 0.95rem;
  --type-annotation-size: 0.875rem;
  --type-meta-size: 0.75rem;
  --tracking-meta: 0.24em;

  /* Measures & spacing */
  --measure-reading: 68ch;
  --measure-wide: 88ch;
  --measure-hero: 18ch;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;

  /* Radii & shadows */
  --radius-card: 1.5rem;
  --radius-panel: 2rem;
  --radius-pill: 999px;
  --shadow-card: 0 14px 36px rgba(44, 52, 43, 0.06);
  --shadow-panel: 0 24px 60px rgba(44, 52, 43, 0.08);

  /* Motion */
  --motion-fast: 180ms;
  --motion-gentle: 260ms;

  /* Local tokens used in our layout (map to design tokens) */
  --bg: var(--page-reading);
  --panel: var(--surface-reading);
  --text: var(--ink-strong);
  --muted: var(--surface-neutral);
  --muted-text: var(--ink-muted);
  --accent-2: var(--accent-strong);
  --gap: 24px;
  --max-width: 1100px;
  --radius: var(--radius-card);
}
*{box-sizing:border-box}
html{
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body{
  margin:0;
  min-height:100vh;
  min-height:100dvh;
  background:var(--page-reading);
  color:var(--ink-strong);
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  font-size:var(--type-body-size);
  line-height:var(--type-body-leading);
}

h1,h2,h3,h4{
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

/* Header */
.site-header{display:flex;align-items:center;justify-content:space-between;padding:28px 20px;max-width:var(--max-width);margin:0 auto;border-bottom:1px solid rgba(11,37,69,0.04);position:sticky;top:0;background:transparent;z-index:50}
.brand{font-weight:700;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-2);display:flex;gap:12px;align-items:center}
.logo-square{width:36px;height:36px;background:var(--accent-2);border-radius:8px;display:inline-block}
.main-nav{display:flex;gap:6px;align-items:center}
.main-nav a{margin-left:6px;color:var(--muted-text);text-decoration:none;font-weight:600;padding:8px 12px;border-radius:8px;font-size:13px;text-transform:uppercase;letter-spacing:.12em}
.main-nav a:hover,.main-nav a:focus{color:var(--accent-2);background:rgba(11,37,69,0.04);outline:none}

/* Hero */
.hero{display:grid;grid-template-columns:1fr 360px;align-items:center;gap:32px;padding:96px 20px 64px;background:var(--bg)}
.hero-inner{ text-align:center; justify-self:center; max-width:720px }
.hero h1{font-size:var(--type-hero-size);line-height:0.98;margin:0 0 14px 0;font-weight:800;color:var(--accent-2);letter-spacing:-0.02em}
.lead{font-size:18px;color:var(--muted-text);margin:0}
.cta{display:inline-flex;align-items:center;justify-content:center;margin-top:18px;padding:10px 16px;background:var(--ink-strong);color:var(--panel);text-decoration:none;font-weight:800;border-radius:var(--radius-pill);box-shadow:var(--shadow-panel);transition:transform var(--motion-fast) ease}
.cta:hover{transform:translateY(-2px)}
.hero-graphic{width:360px;height:200px;justify-self:end}
.car-silhouettes{width:100%;height:100%;display:block}
.car-silhouettes .sil1{fill:var(--accent-2)}
.car-silhouettes .sil2{fill:var(--accent)}
.car-silhouettes .sil3{fill:#e76f51}
.car-silhouettes path{transition:transform .45s cubic-bezier(.2,.9,.2,1),opacity .45s ease;transform-origin:center}
.hero-graphic:hover .car-silhouettes .sil1{transform:translateX(-6px) scale(1.02);opacity:0.98}
.hero-graphic:hover .car-silhouettes .sil2{transform:translateX(-2px) translateY(4px) scale(1.01);opacity:0.98}
.hero-graphic:hover .car-silhouettes .sil3{transform:translateX(8px) translateY(-6px) scale(1.03);opacity:0.98}

/* Sections & layout */
.section{max-width:var(--max-width);margin:48px auto;padding:0 20px}
.section h2{font-size:var(--type-section-size);line-height:1.05;margin-bottom:12px}
.narrative ul{display:flex;flex-wrap:wrap;gap:12px;padding:0;margin:12px 0 0 0;list-style:none}
.narrative li{background:var(--muted);padding:18px 18px 18px 64px;border-left:6px solid var(--accent-2);flex:1;min-width:220px;position:relative}

/* numbered steps style to match the reference */
.narrative ul{counter-reset:steps}
.narrative li::before{counter-increment:steps;content:counter(steps);position:absolute;left:16px;top:16px;width:40px;height:40px;border-radius:999px;background:var(--accent-2);color:#fff;display:inline-grid;place-items:center;font-weight:800}

/* Grid & cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px;margin-top:24px}
.card{background:var(--panel);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 10px 30px rgba(11,37,69,0.06);border:1px solid rgba(11,37,69,0.04)}
.thumb-wrap{height:220px;overflow:hidden;background:linear-gradient(180deg,rgba(11,37,69,0.02),transparent)}
.thumb{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.9,.2,1)}
.card:hover .thumb{transform:scale(1.05)}
.card-body{padding:18px}
.card h3{margin:0 0 8px 0;font-size:18px;color:var(--accent-2)}
.card p{margin:0;color:var(--muted-text);font-size:14px}
.card .meta{margin-top:12px;font-size:12px;color:var(--muted-text);text-transform:uppercase;letter-spacing:.12em}
.card-actions{margin-top:12px}
.details{display:inline-block;padding:8px 12px;background:transparent;color:var(--accent-2);border-radius:8px;text-decoration:none;font-weight:700;border:1px solid rgba(11,37,69,0.06)}
.details:focus{outline:3px solid rgba(11,37,69,0.08)}

/* Story/feed layout */
.story-grid{display:flex;flex-direction:column;gap:22px;margin-top:20px}
.story-item{display:grid;grid-template-columns:240px 1fr;gap:20px;padding:20px;background:var(--panel);border-radius:12px;box-shadow:0 6px 18px rgba(11,37,69,0.04);align-items:start}
.story-item img{width:100%;height:160px;object-fit:cover;border-radius:8px}
.story-item h3{margin:0 0 8px 0}
.story-item .summary{color:var(--muted-text);margin-bottom:10px}
.story-item .body{color:var(--text)}
.story-controls{margin:12px 0}

/* Exhibit detail layout */
.exhibit-full{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.exhibit-full figure{margin:0}
.exhibit-full img{width:100%;height:auto;border-radius:8px}
.exhibit-full figcaption{font-size:13px;color:var(--muted-text);margin-top:8px}
.exhibit-full .content h1{margin-top:0}
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:8px 0}
.specs dt{font-weight:700}
.specs dd{margin:0;color:var(--text)}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(11,17,25,0.6);display:none;align-items:center;justify-content:center;padding:20px;z-index:1000}
.modal .modal-shell{background:var(--panel);max-width:980px;width:100%;padding:20px;position:relative;border-radius:12px}
.modal img{width:100%;height:auto;display:block;border-radius:8px}
.modal-close{position:absolute;right:12px;top:8px;border:0;background:none;font-size:28px}
.modal[aria-hidden="false"]{display:flex}
.modal-shell:focus{outline:none}

/* Guided tour controls */
.tour-controls{display:flex;gap:12px;margin-top:12px}
.btn{display:inline-block;padding:10px 14px;background:var(--accent-2);color:#fff;text-decoration:none;border-radius:8px;font-weight:700}

/* Print */
@media print{
  body{background:#fff;color:#000}
  .site-header,.main-nav,.cta,.hero-graphic{display:none}
  .exhibit-full{grid-template-columns:1fr}
}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding:64px 20px}
  .hero h1{font-size:36px}
  .hero-graphic{width:100%;height:140px;justify-self:center}
  .story-item{grid-template-columns:1fr}
  .thumb-wrap{height:180px}
  .exhibit-full{grid-template-columns:1fr}
}

/* Accessibility */
:focus-visible{outline:3px solid rgba(11,37,69,0.12);outline-offset:2px}

/* small uppercase kicker used in the reference */
.kicker{display:inline-block;font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted-text);margin-bottom:10px;font-weight:700}

/* Scroll + reveal animations */
html{scroll-behavior:smooth}
main{scroll-snap-type:y proximity}
body{overscroll-behavior-y:contain}

.section{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.9,.2,1),transform .7s cubic-bezier(.2,.9,.2,1);will-change:opacity,transform;scroll-snap-align:start}
.section.in-view{opacity:1;transform:none}

.card.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease-out,transform .6s ease-out}
.card.in-view{opacity:1;transform:none}

.hero-graphic{transition:transform .35s linear;will-change:transform}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .section,.card,.hero-graphic{transition:none!important;transform:none!important;opacity:1!important}
}