/* ─── COOL GREEN MEDIA · DESIGN TOKENS + MASTHEAD ──────────────────────────
   Shared by every page. Drop in <head>:
     <link rel="stylesheet" href="<path>/masthead.css"/>
   Then mount the masthead by including masthead-bar.html (or pasting the
   markup) and loading masthead-rates.js after the markup.
─────────────────────────────────────────────────────────────────────────── */

:root {
  --bg:        oklch(0.985 0.008 110);
  --bg-1:      oklch(0.96 0.012 110);
  --bg-accent: oklch(0.965 0.025 155);
  --bg-warm:   oklch(0.965 0.018 70);
  --ink:       oklch(0.22 0.018 150);
  --ink-2:     oklch(0.42 0.015 150);
  --ink-3:     oklch(0.62 0.012 150);
  --rule:      oklch(0.88 0.01 140);
  --rule-2:    oklch(0.80 0.01 140);
  --accent:    oklch(0.52 0.13 155);
  --accent-2:  oklch(0.72 0.12 155);
  --accent-bg: oklch(0.93 0.05 155);
  --warn:      oklch(0.55 0.14 55);
  --warn-bg:   oklch(0.93 0.05 55);
  --peak:      oklch(0.68 0.14 30);
  --peak-bg:   oklch(0.90 0.06 30);
  --display:   'Instrument Serif', Georgia, serif;
  --ui:        'IBM Plex Sans', system-ui, sans-serif;
  --mono:      'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin:0; padding:0; background:var(--bg); color:var(--ink); font-family:var(--ui); -webkit-font-smoothing:antialiased; }
em, i { font-style: italic; }
a { color: inherit; text-decoration: none; }

/* ─── Page shell ─── */
.page { max-width: 1360px; margin: 0 auto; padding: 20px 48px 120px; }

/* ════════════════════════════════════════════════════════════════════════
   COOL GREEN MEDIA · masthead (vanilla, namespaced .cgm-)
   ════════════════════════════════════════════════════════════════════════ */

/* Top mini-bar: date / center stub / tagline */
.cgm-mini-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 8px 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  gap: 16px;
}
.cgm-mini-l { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.cgm-mini-c { display: flex; justify-content: center; align-items: center; }
.cgm-mini-r { display: flex; justify-content: flex-end; align-items: center; }
.cgm-tagline {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-2);
}

/* Dateline-c is the wrapper around the rate pill (positions the picker) */
.cgm-dateline-c { display: flex; align-items: center; gap: 8px; position: relative; }

/* Status dot — color reflects current tier */
.cgm-peak-dot {
  display: inline-block; width: 7px; height: 7px;
  background: var(--accent); border-radius: 50%;
  box-shadow: 0 0 0 3px var(--accent-bg, rgba(82,163,110,0.2));
}
.cgm-peak-dot.is-peak {
  background: var(--peak, #c7603a);
  box-shadow: 0 0 0 3px var(--peak-bg, rgba(199,96,58,0.2));
}
.cgm-peak-dot.is-partial {
  background: var(--warn, oklch(0.55 0.14 55));
  box-shadow: 0 0 0 3px oklch(0.93 0.05 55 / 0.55);
}

/* The rate pill button itself */
.cgm-rate-btn {
  all: unset; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 1px dotted var(--ink-3);
  padding-bottom: 1px;
}
.cgm-rate-btn:hover { color: var(--ink); border-color: var(--ink); }
.cgm-rate-caret { font-size: 9px; opacity: 0.6; }

/* Picker panel */
.cgm-rate-picker {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  background: var(--bg);
  border: 1px solid var(--ink);
  box-shadow: 0 12px 28px -14px rgba(0,0,0,0.22);
  min-width: 300px;
  max-height: 460px;
  overflow-y: auto;
  font-family: var(--ui);
}
.cgm-rate-picker.hidden { display: none; }
.cgm-rate-head {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-3);
  padding: 10px 14px 6px;
  border-bottom: 1px solid var(--rule);
}
.cgm-rate-opt {
  all: unset;
  display: grid; grid-template-columns: 1fr auto;
  gap: 12px; align-items: baseline;
  padding: 10px 14px; cursor: pointer;
  font-size: 13px; color: var(--ink);
  border-bottom: 1px solid var(--rule);
  width: 100%; box-sizing: border-box;
}
.cgm-rate-opt:hover { background: var(--bg-1); }
.cgm-rate-opt.on { background: var(--bg-accent, var(--bg-1)); }
.cgm-rate-opt .city { font-family: var(--display); font-size: 17px; }
.cgm-rate-opt .util {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.08em; color: var(--ink-3);
  text-transform: uppercase;
}
.cgm-rate-foot {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.08em; color: var(--ink-3);
  padding: 10px 14px; text-align: center;
}

/* Plan picker (above city list when utility has multiple TOU plans) */
#cgm-plan-mount:empty { display: none; }
.cgm-plan-head {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-3);
  padding: 10px 14px 8px;
  background: var(--bg-1);
}
.cgm-plan-list {
  display: grid; grid-template-columns: 1fr; gap: 4px;
  padding: 0 14px 12px;
  border-bottom: 1px solid var(--ink);
  background: var(--bg-1);
}
.cgm-plan-opt {
  all: unset; cursor: pointer;
  display: grid; grid-template-columns: 1fr auto;
  align-items: baseline; gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--rule);
  background: var(--bg);
  transition: border-color .15s, background .15s;
}
.cgm-plan-opt:hover { border-color: var(--ink-3); }
.cgm-plan-opt.on {
  border-color: var(--accent);
  background: var(--bg-accent, var(--bg-1));
}
.cgm-plan-opt .cgm-plan-label {
  font-family: var(--display); font-size: 15px; color: var(--ink);
}
.cgm-plan-opt.on .cgm-plan-label { color: var(--accent); }
.cgm-plan-opt .cgm-plan-now {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3);
}

/* Wordmark + hairlines */
.cgm-rule-ink { border-top: 1px solid var(--ink); }
.cgm-wordmark {
  text-align: center;
  padding: 30px 0 18px;
  position: relative;
}
.cgm-wordmark h1 {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(64px, 11vw, 150px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.18em;
  /* Optical centering: the glyph on the left throws the text off-axis. */
  margin-left: calc(-0.5em);
}
.cgm-wordmark a {
  color: inherit; text-decoration: none; border: none;
  display: inline-flex; align-items: center; gap: 0.18em;
}
.cgm-wordmark img.cgm-glyph {
  width: 0.82em; height: 0.82em;
  display: inline-block;
  position: relative; top: -0.06em;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
}
.cgm-tagline-italic {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(18px, 1.9vw, 24px);
  color: var(--ink-2);
  margin-top: 10px;
  letter-spacing: 0.025em;
  line-height: 1.4;
  text-align: center;
}

/* Compact wordmark for subpages: <body class="masthead-compact"> */
.masthead-compact .cgm-wordmark { padding: 18px 0 10px; }
.masthead-compact .cgm-wordmark h1 { font-size: clamp(40px, 6vw, 76px); }
.masthead-compact .cgm-tagline-italic { font-size: clamp(15px, 1.4vw, 18px); }

/* Section strip below the wordmark — kicker + return link */
.cgm-section-strip {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 10px 0; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
  border-bottom: 1px solid var(--ink); margin-bottom: 28px;
}
.cgm-section-strip a {
  color: var(--ink-2);
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
}
.cgm-section-strip em {
  font-family: var(--mono); font-size: 10.5px;
  text-transform: uppercase; letter-spacing: 0.12em;
  font-style: normal;
  color: var(--ink-2);
}
.cgm-section-strip .cgm-strip-mobile-line {
  display: none;
}
.cgm-section-strip a:hover { color: var(--accent); border-color: var(--accent); }

/* Mobile: stack the mini-bar, left-align the picker, shrink the wordmark
   to match the EV compare page treatment. */
@media (max-width: 720px) {
  .cgm-mini-bar {
    grid-template-columns: 1fr;
    gap: 8px;
    text-align: center;
  }
  .cgm-mini-l, .cgm-mini-r { justify-content: center; }
  .cgm-section-strip { flex-direction: column; gap: 6px; align-items: flex-start; }
  .cgm-section-strip em { display: none; }
  .cgm-rate-picker { left: 0; transform: none; min-width: 260px; }

  .cgm-wordmark { padding: 10px 0; }
  .cgm-wordmark h1 {
    font-size: clamp(32px, 9vw, 48px);
    margin-left: 0; /* drop optical offset on mobile */
  }
  .cgm-wordmark img.cgm-glyph {
    width: 0.88em; height: 0.88em;
    top: 0;
    vertical-align: -0.08em;
  }
  .cgm-tagline-italic {
    font-size: 14px;
    margin-top: 6px;
  }
  .cgm-tagline-italic .cgm-tagline-cta {
    display: block;
    margin-top: 2px;
  }
  .cgm-section-strip .cgm-strip-mobile-line {
    display: block;
    margin-top: 4px;
  }
}

@media (max-width: 959px) {
  .page { padding: 16px 20px 80px; }
  .cgm-wordmark { padding: 18px 0 12px; }
}
