/* ===== EV Atlas — Voltage =====
   Midnight indigo-black, electric teal-cyan + violet accents, charged amber.
   Space Grotesk (display) · Manrope (body/UI) · JetBrains Mono (data readouts) */

:root {
  --paper: #090C16;
  --paper-deep: #0E1220;
  --card: #131829;
  --pop: #1B2236;
  --pop-ink: #EAEEF8;
  --pop-ink-soft: #BCC6DC;
  --pop-border: #2C3550;
  --pop-accent: #3DE3D4;
  --ink: #EAEEF8;
  --ink-soft: #93A0BC;
  --rule: #222B43;
  --accent: #2FE3D0;
  --accent2: #9D8CFF;
  --on-accent: #06121A;
  --gold: #F5B63F;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 16px 40px rgba(0, 0, 0, 0.45);
  --map-nodata: #1A2133;
  --plant-fill: #161C2E;
  --price-us: #8B95AE;
  --price-state: #9D8CFF;
  --topbar-bg: rgba(10, 13, 22, 0.86);
  --pulse: #1C2540;
  --num-glow: 0 0 26px rgba(47, 227, 208, 0.20);
  --font-display: "Space Grotesk", "Avenir Next", sans-serif;
  --font-body: "Manrope", -apple-system, sans-serif;
  --font-ui: "Manrope", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

[data-theme="light"] {
  --paper: #F4F6FB;
  --paper-deep: #E9EDF6;
  --card: #FFFFFF;
  --pop: #FFFFFF;
  --pop-ink: #1A2238;
  --pop-ink-soft: #4A5773;
  --pop-border: #D5DCEC;
  --ink: #182036;
  --ink-soft: #56627E;
  --rule: #DEE4F0;
  --accent: #0E9E91;
  --accent2: #6D55E0;
  --on-accent: #FFFFFF;
  --gold: #B5791A;
  --shadow: 0 1px 2px rgba(20, 26, 45, 0.06), 0 10px 28px rgba(20, 26, 45, 0.10);
  --map-nodata: #DEE3EF;
  --plant-fill: #E8ECF5;
  --price-us: #7A8499;
  --price-state: #6D55E0;
  --topbar-bg: rgba(244, 246, 251, 0.9);
  --pulse: #DDE6F7; /* cool electric haze on the light pulse */
  --num-glow: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 600px at 85% -5%, rgba(157, 140, 255, 0.10), transparent 60%),
    radial-gradient(950px 550px at -5% 30%, rgba(47, 227, 208, 0.07), transparent 55%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

[data-theme="light"] body {
  background:
    radial-gradient(1100px 600px at 85% -5%, rgba(109, 85, 224, 0.07), transparent 60%),
    radial-gradient(950px 550px at -5% 30%, rgba(14, 158, 145, 0.05), transparent 55%),
    var(--paper);
}

/* Split-second "working" pulse when a state is clicked: the page background
   nudges toward --pulse (lighter in dark mode, darker in light) and resolves */
body.bg-pulse { animation: bg-pulse 0.55s ease-out; }
@keyframes bg-pulse {
  0% { background-color: var(--paper); }
  30% { background-color: var(--pulse); }
  100% { background-color: var(--paper); }
}

::selection { background: var(--accent); color: var(--on-accent); }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.kicker {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}

h1, h2, h3 { font-family: var(--font-display); margin: 0; }

/* ---------- hero (compact: the maps should peek above the fold) ---------- */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 60px 24px 40px;
}

.hero h1 {
  font-size: clamp(46px, 6.6vw, 92px);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: 0.005em;
  max-width: 20ch;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(110deg, var(--accent) 10%, var(--accent2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .deck {
  max-width: 580px;
  font-size: 19px;
  color: var(--ink-soft);
  margin: 18px 0 26px;
}

/* staggered load-in */
.hero .kicker, .hero h1, .hero .deck, .hero .zip-form {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
body.loaded .hero .kicker { opacity: 1; transform: none; transition-delay: 0.05s; }
body.loaded .hero h1 { opacity: 1; transform: none; transition-delay: 0.15s; }
body.loaded .hero .deck { opacity: 1; transform: none; transition-delay: 0.3s; }
body.loaded .hero .zip-form { opacity: 1; transform: none; transition-delay: 0.45s; }

/* ---------- four-map grid: the whole national picture in one screen ---------- */
.map-grid-section { max-width: 1160px; margin: 8px auto 0; padding: 0 24px; text-align: center; }
.map-grid-section > h2 { font-size: clamp(30px, 3.8vw, 44px); font-weight: 600; }

.map-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 26px;
  margin-top: 18px;
  text-align: left;
  scroll-margin-top: 52px; /* clear the fixed topbar on the map-click partial scroll */
}

.map-cell {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 16px 18px 12px;
  box-shadow: var(--shadow);
  transition: background-color 0.25s ease, color 0.25s ease;
}

.map-cell figcaption h3 {
  font-size: 23px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0 0 4px;
}

.map-cell figcaption p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.45;
  color: var(--ink-soft);
}

.us-map { width: 100%; position: relative; }

.stat { font-family: var(--font-mono); font-weight: 600; color: var(--accent); }

/* ---------- region panel ---------- */
.region-panel { max-width: 1140px; margin: 24px auto 0; padding: 24px; scroll-margin-top: 52px; }

.region-header { margin: 16px 0 20px; max-width: 820px; }
.region-header h2 {
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: 0.005em;
}
.region-sub { color: var(--ink-soft); font-size: 18px; margin: 12px 0 0; }

/* ---------- showcase ---------- */
.showcase { max-width: 1140px; margin: 48px auto 0; padding: 0 24px; text-align: center; }
.showcase h2 { font-size: clamp(30px, 3.8vw, 44px); font-weight: 600; }
.deck-small { color: var(--ink-soft); max-width: 560px; margin: 10px auto 20px; font-size: 17px; }

/* ---------- methodology ---------- */
.methodology {
  max-width: 760px;
  margin: 56px auto 0;
  padding: 36px 24px 64px;
  border-top: 1px solid var(--rule);
}
.methodology h2 { font-size: 34px; font-weight: 600; margin-bottom: 12px; }
.fine { font-size: 15px; color: var(--ink-soft); }

.boot-error {
  background: #B3402A; color: #fff;
  font-family: var(--font-ui);
  padding: 12px 18px; margin: 0; text-align: center;
}

@media (max-width: 760px) {
  body { font-size: 17px; }
  .map-grid { grid-template-columns: 1fr; gap: 14px; }
  .region-panel { padding: 16px; }
}