/* ============ Design tokens ============ */
:root {
  color-scheme: light;
  --surface-1:      #fcfcfb;
  --page-plane:      #f9f9f7;
  --text-primary:    #0b0b0b;
  --text-secondary:  #52514e;
  --text-muted:      #898781;
  --gridline:        #e1e0d9;
  --baseline:        #c3c2b7;
  --border:          rgba(11,11,11,0.10);
  --card-bg:         #ffffff;
  --scrim:           rgba(10,10,8,0.62);
  --scrim-light:      rgba(255,255,255,0.86);
  --link:            #184f95;
  --focus-ring:      #256abf;
  --chance-marker:   #52514e;
  --null-band:       rgba(137,135,129,0.18);
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-1:      #1a1a19;
    --page-plane:      #0d0d0d;
    --text-primary:    #ffffff;
    --text-secondary:  #c3c2b7;
    --text-muted:      #898781;
    --gridline:        #2c2c2a;
    --baseline:        #383835;
    --border:          rgba(255,255,255,0.10);
    --card-bg:         #232322;
    --scrim:           rgba(0,0,0,0.66);
    --scrim-light:      rgba(20,20,18,0.80);
    --link:            #86b6ef;
    --focus-ring:      #6da7ec;
    --chance-marker:   #c3c2b7;
    --null-band:       rgba(137,135,129,0.22);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1:      #1a1a19;
  --page-plane:      #0d0d0d;
  --text-primary:    #ffffff;
  --text-secondary:  #c3c2b7;
  --text-muted:      #898781;
  --gridline:        #2c2c2a;
  --baseline:        #383835;
  --border:          rgba(255,255,255,0.10);
  --card-bg:         #232322;
  --scrim:           rgba(0,0,0,0.66);
  --scrim-light:      rgba(20,20,18,0.80);
  --link:            #86b6ef;
  --focus-ring:      #6da7ec;
  --chance-marker:   #c3c2b7;
  --null-band:       rgba(137,135,129,0.22);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page-plane);
  color: var(--text-primary);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: "Source Serif 4", Georgia, serif; font-weight: 700; line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
h3 { font-size: 1.15rem; margin-bottom: 0.4em; }
p { margin: 0 0 1em; color: var(--text-secondary); }
a { color: var(--link); }
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--card-bg); color: var(--text-primary); padding: 12px 16px;
}
.skip-link:focus { left: 16px; top: 16px; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

/* ============ Header ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: var(--scrim-light); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: 1200px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between;
}
.site-header__brand { font-family: "Source Serif 4", serif; font-weight: 700; font-size: 1rem; color: var(--text-primary); }
.theme-toggle {
  background: transparent; border: 1px solid var(--border); border-radius: 999px;
  width: 34px; height: 34px; cursor: pointer; color: var(--text-primary); font-size: 1rem;
}

/* ============ Map panes ============ */
.map-pane { position: absolute; inset: 0; width: 100%; height: 100%; }
.map-pane--tall { position: relative; height: 70vh; min-height: 420px; }

/* ============ Hero ============ */
.hero { position: relative; height: 100vh; min-height: 560px; }
.hero__scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, var(--scrim) 0%, rgba(10,10,8,0.15) 45%, rgba(10,10,8,0.35) 100%);
}
.hero__content {
  position: relative; z-index: 2; max-width: 720px; margin: 0 auto;
  padding: 30vh 20px 0; color: #fff; text-align: left;
}
.hero__content h1 { color: #fff; }
.hero__subtitle { color: rgba(255,255,255,0.92); font-size: 1.15rem; max-width: 560px; }
.hero__scroll-hint { color: rgba(255,255,255,0.75); font-size: 0.9rem; }

/* ============ Scrollytelling ============ */
.scrolly { position: relative; }
.scrolly__sticky {
  position: sticky; top: 0; height: 100vh; width: 100%; z-index: 0;
}
.scrolly__steps { position: relative; z-index: 1; margin-top: -100vh; pointer-events: none; }
.step { min-height: 100vh; display: flex; align-items: center; padding: 24px; pointer-events: none; }
.step__card {
  pointer-events: auto;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  max-width: 440px; padding: 28px 28px; margin: 0 auto 0 6%;
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
  transition: opacity 0.2s ease;
}
.step:not(.is-active) .step__card { opacity: 0.55; }

@media (max-width: 900px) {
  .step__card { margin: 0 auto; max-width: 92%; }
}

@media (max-width: 768px) {
  .scrolly__sticky { height: 46vh; }
  .scrolly__steps { margin-top: 0; }
  .step { min-height: auto; padding: 16px; }
  .step__card { max-width: 100%; opacity: 1 !important; box-shadow: none; margin-bottom: 16px; }
}

/* ============ Full-bleed sections ============ */
.full-bleed { padding: 64px 16px; max-width: 1200px; margin: 0 auto; }
.section-heading { max-width: 720px; margin-bottom: 24px; }
.section-heading h2 { margin-bottom: 0.3em; }

.compare-container {
  position: relative; width: 100%; height: 65vh; min-height: 420px;
  border-radius: 12px; overflow: hidden; border: 1px solid var(--border);
}
.swipe-controls {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px;
  margin-bottom: 16px;
}
.switch { display: flex; align-items: center; gap: 8px; font-size: 0.92rem; color: var(--text-secondary); cursor: pointer; }
.flyto-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.flyto-row__label { font-size: 0.85rem; color: var(--text-muted); margin-right: 4px; }
.flyto-btn, .toggle-btn {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 14px; font-size: 0.85rem; color: var(--text-primary); cursor: pointer;
  font-family: inherit;
}
.flyto-btn:hover, .toggle-btn:hover { border-color: var(--focus-ring); }
.swipe-legends { display: flex; justify-content: space-between; gap: 16px; margin-top: 12px; flex-wrap: wrap; }

/* 44px handle centred on the 2px divider: the plugin's own offsets assume a 60px handle
   (left:-30px, margin-top:-30px), so they are reset for this size. Only background-color and
   -size are set so the plugin's white left/right arrow icon (background-image) is kept. */
.maplibregl-compare .compare-swiper-vertical {
  width: 44px; height: 44px; left: -21px; margin: -22px 0 0;
  background-color: var(--focus-ring); background-size: 100% 100%;
  box-shadow: inset 0 0 0 2px #fff, 0 1px 6px rgba(0, 0, 0, 0.35);
  cursor: ew-resize;
}
.maplibregl-compare .compare-swiper-vertical:focus-visible,
.maplibregl-compare .compare-swiper-horizontal:focus-visible {
  outline: 3px solid var(--focus-ring); outline-offset: 2px;
}

.agree-popup-panel {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px 40px 16px 16px; max-width: 320px; box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  font-size: 0.9rem;
}
.agree-popup-panel__close {
  position: absolute; top: 8px; right: 8px; background: transparent; border: none;
  font-size: 1.2rem; line-height: 1; cursor: pointer; color: var(--text-secondary); padding: 4px 8px;
}
.agree-popup-panel dt { color: var(--text-muted); font-size: 0.78rem; margin-top: 8px; }
.agree-popup-panel dd { margin: 0; color: var(--text-primary); font-weight: 600; }

/* ============ Legends ============ */
.legend { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: 12px; font-size: 0.85rem; }
.legend--swatches .legend__item { display: flex; align-items: center; gap: 8px; }
.legend__swatch { width: 22px; height: 22px; border-radius: 4px; border: 1px solid var(--border); object-fit: cover; flex-shrink: 0; }
.legend__swatch--pattern { width: 34px; height: 26px; border-radius: 3px; }
.legend__dot { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; border: 1px solid var(--border); }
.legend__item { display: flex; align-items: center; gap: 6px; color: var(--text-secondary); }
.legend__group-label { font-weight: 600; color: var(--text-primary); width: 100%; margin-top: 6px; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
.legend--inline { background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; flex: 1 1 220px; }

/* ============ Numbers / charts ============ */
.numbers { max-width: 1100px; margin: 0 auto; padding: 64px 16px; }
.chart-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 24px; margin-bottom: 28px; position: relative;
}
.chart-card__note { font-size: 0.86rem; color: var(--text-muted); max-width: 700px; }
.chart { width: 100%; }
.chart--wide { min-height: 420px; }
.chart-tooltip {
  position: fixed; pointer-events: none; z-index: 70;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 12px; font-size: 0.82rem; box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  max-width: 240px;
}
.chart-tooltip__value { font-weight: 700; color: var(--text-primary); }
.chart-tooltip__label { color: var(--text-secondary); }
.chart-tooltip__row { display: flex; align-items: center; gap: 6px; margin-top: 2px; }
.chart-tooltip__swatch { width: 10px; height: 2px; display: inline-block; }

svg text { fill: var(--text-secondary); font-family: "Inter", system-ui, sans-serif; }
.axis-label, .tick text { fill: var(--text-muted); font-size: 11px; }
.grid line { stroke: var(--gridline); stroke-width: 1px; shape-rendering: crispEdges; }
.axis-baseline { stroke: var(--baseline); stroke-width: 1px; }

/* ============ Colophon ============ */
.colophon { background: var(--card-bg); border-top: 1px solid var(--border); padding: 56px 16px; }
.colophon__inner { max-width: 720px; margin: 0 auto; }
.colophon li { color: var(--text-secondary); margin-bottom: 8px; }

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

@media (max-width: 768px) {
  .full-bleed, .numbers { padding-left: 16px; padding-right: 16px; }
  .hero__content { padding-top: 22vh; }
}
.colophon .credits { font-size: 0.92rem; padding-left: 1.2em; }