/* Yuuki Cooling page: light theme with dark accent bands. */
:root {
  --bg: #F3F5F6;
  --surface: #FFFFFF;
  --border: #CDD4D9;
  --text: #14202A;
  --text-2: #3E4B56;
  --muted: #56636E;
  --faint: #9AA8B3;
  --accent: #1B5FA8;
  --on-accent: #FFFFFF;
  --link: #1B5FA8;
  --link-hover: #154B86;
  --hover-tint: rgba(20, 32, 42, 0.06);
  --input-border: #8795A1;
  /* Dark bands (map panel, energy section, footer) */
  --band: #14202A;
  --band-text: #E6ECF0;
  --band-muted: #C9D3DA;
  --band-faint: #9AA8B3;
  --band-line: #2B3A46;
}

.site-header .wrap { min-height: 88px; }
.brand-name { font-weight: 800; font-size: 21px; letter-spacing: 0.06em; }
.brand-sub { font-size: 15px; letter-spacing: 0; }
.site-nav { font-size: 15px; font-weight: 500; }
.site-nav .btn { font-weight: 600; }
.btn { border-radius: 6px; font-weight: 600; font-size: 16px; }
.btn-lg { min-height: 52px; padding: 0 24px; }
.btn-outline { border-width: 1.5px; }

.title {
  font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 800; font-stretch: 110%; line-height: 1.08;
}
.title-lg { font-size: clamp(30px, 3.1vw, 44px); }
.title-md { font-size: clamp(28px, 2.8vw, 40px); line-height: 1.1; }
.lead { font-size: 18px; line-height: 1.6; color: var(--text-2); }
.section { padding-block: clamp(64px, 6.7vw, 96px); }
.section-white { background: var(--surface); border-top: 1px solid var(--border); }
.section-band { background: var(--band); color: var(--band-text); }

/* Card lists with a rule on top (audiences, energy points) */
.rule-list { list-style: none; padding: 0; display: grid; gap: 32px; }
.rule-list li { display: flex; flex-direction: column; gap: 10px; padding-top: 18px; border-top: 2px solid currentColor; }
.rule-list strong { font-size: 17px; line-height: 1.3; }
.rule-list span { font-size: 15px; line-height: 1.5; color: var(--muted); }
.cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }

/* ---------- Hero ---------- */
.hero .wrap {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 680px);
  gap: 64px; align-items: center;
  padding-block: clamp(48px, 5.5vw, 80px) clamp(64px, 7vw, 104px);
}
.hero-copy { display: flex; flex-direction: column; gap: 28px; }
.hero h1 {
  font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 800; font-stretch: 115%;
  font-size: clamp(36px, 4.2vw, 60px); line-height: 1.02; letter-spacing: -0.01em;
}
.hero-copy p { font-size: 19px; line-height: 1.55; color: var(--text-2); max-width: 30em; }

/* ---------- Interactive power map panel ---------- */
.map-panel {
  background: var(--band); color: var(--band-text);
  border-radius: 10px; padding: 28px;
  display: flex; flex-direction: column; gap: 20px;
}
.map-panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.map-panel h2 { font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif; font-weight: 700; font-stretch: 110%; font-size: 19px; }
.map-panel .small { font-size: 13px; color: var(--band-faint); }
.map-choices { display: flex; flex-wrap: wrap; gap: 8px; }
.map-choices button {
  min-height: 44px; padding: 0 16px; border-radius: 6px;
  border: 1px solid #3A4A57; background: transparent; color: var(--band-muted);
  font: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
}
.map-choices button[aria-pressed="true"] { border-color: var(--band-text); background: var(--band-text); color: var(--band); }
.map-body { display: flex; gap: 24px; align-items: stretch; }
.map-area { position: relative; width: min(400px, 100%); aspect-ratio: 1; flex-shrink: 0; }
.map-area .heat-grid { gap: 2px; }
.tc-marker {
  position: absolute; transform: translate(-50%, -50%);
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid #FFFFFF; background: rgba(20, 32, 42, 0.75); color: #FFFFFF;
  font-size: 10px; font-weight: 700; line-height: 18px; text-align: center;
}
.map-legend { display: flex; gap: 8px; }
.map-legend .bar { width: 12px; border-radius: 3px; background: linear-gradient(to top, #140B34, #4A0C6B, #A52C60, #ED6925, #FBB61A, #FCFFA4); }
.map-legend .labels { display: flex; flex-direction: column; justify-content: space-between; font-size: 12px; color: var(--band-faint); white-space: nowrap; }
.readings { flex-grow: 1; display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.readings dl { margin: 0; display: flex; flex-direction: column; gap: 6px; }
.readings .row { display: flex; justify-content: space-between; gap: 8px; padding-bottom: 5px; border-bottom: 1px solid var(--band-line); }
.readings dt { color: var(--band-faint); }
.readings dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.readings .totals { margin-top: auto; padding-top: 12px; }
.readings .totals .row { border: 0; padding: 0; flex-direction: column; gap: 4px; margin-top: 8px; }
.readings .totals dd { font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif; font-weight: 700; font-size: 22px; }
.map-note { font-size: 14px; line-height: 1.5; color: var(--band-muted); }

/* ---------- Who it's for ---------- */
.who { border-bottom: 1px solid var(--border); }
.who .wrap { display: flex; flex-direction: column; gap: 44px; }
.who h2 { max-width: 20em; }

/* ---------- Clean energy band ---------- */
.energy .wrap { display: flex; flex-direction: column; gap: 48px; }
.energy-head { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 80px; align-items: end; }
.energy h2 { color: #FFFFFF; }
.energy-head p { font-size: 18px; line-height: 1.6; color: var(--band-muted); }
.energy .rule-list strong { font-size: 19px; color: #FFFFFF; }
.energy .rule-list span { font-size: 16px; line-height: 1.55; color: var(--band-muted); }
.energy .source-note { color: var(--band-faint); }

/* ---------- Free report ---------- */
.report .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 520px); gap: 80px; align-items: start; }
.report-copy { display: flex; flex-direction: column; gap: 28px; }
.report-copy .lead { max-width: 34em; }
.exchange { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; padding-top: 8px; }
.exchange > div { display: flex; flex-direction: column; gap: 14px; }
.exchange h3 { font-size: 17px; font-weight: 700; }
.exchange ul { padding-left: 20px; display: flex; flex-direction: column; gap: 10px; font-size: 16px; color: var(--text-2); }

.form-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: clamp(24px, 2.5vw, 36px); display: flex; flex-direction: column; gap: 20px;
}
.form-card h3 { font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif; font-weight: 700; font-stretch: 110%; font-size: 22px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 14px; font-weight: 600; }
.field input, .field select, .field textarea {
  min-height: 48px; padding: 0 14px;
  border: 1px solid var(--input-border); border-radius: 6px;
  font: inherit; font-size: 16px; color: var(--text); background: #FFFFFF;
}
.field textarea { padding: 12px 14px; resize: vertical; }
.form-card .btn { min-height: 52px; border: 0; }
.form-note { font-size: 14px; line-height: 1.5; color: var(--muted); }

/* ---------- TTV v1 specs ---------- */
.ttv .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 400px); gap: 80px; align-items: start; }
.ttv-copy { display: flex; flex-direction: column; gap: 20px; }
.ttv-copy .lead { max-width: 36em; }
.specs { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 16px; }
.specs tr { border-bottom: 1px solid var(--border); }
.specs tr:first-child { border-top: 2px solid var(--text); }
.specs th { text-align: left; width: 230px; padding: 18px 16px 18px 0; font-weight: 600; vertical-align: top; }
.specs td { padding: 18px 0; color: var(--text-2); }
.ttv-side { display: flex; flex-direction: column; gap: 24px; }
.founding-card { background: var(--bg); border-radius: 10px; padding: 32px; display: flex; flex-direction: column; gap: 18px; }
.founding-card h3 { font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif; font-weight: 700; font-stretch: 110%; font-size: 22px; }
.founding-card p { font-size: 16px; line-height: 1.55; color: var(--text-2); }
.side-note { font-size: 15px; line-height: 1.55; color: var(--muted); padding-inline: 4px; }

/* ---------- Roadmap ---------- */
.roadmap .wrap { display: flex; flex-direction: column; gap: 48px; }
.roadmap-head { display: flex; flex-direction: column; gap: 16px; }
.roadmap-head .lead { max-width: 40em; }
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 32px; }
.steps li { display: flex; flex-direction: column; gap: 12px; }
.step-track { display: flex; align-items: center; gap: 12px; }
.step-dot { width: 14px; height: 14px; border: 2px solid var(--text); flex-shrink: 0; }
.step-line { flex-grow: 1; height: 2px; background: var(--border); }
.steps li:last-child .step-line { display: none; }
.step-when { font-size: 14px; font-weight: 600; color: var(--muted); }
.steps strong { font-size: 19px; line-height: 1.3; }
.steps span.desc { font-size: 15px; line-height: 1.55; color: var(--muted); }
.steps li.current .step-dot { background: var(--accent); border-color: var(--accent); }
.steps li.current .step-when { color: var(--accent); }

/* ---------- About ---------- */
.about .wrap { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 80px; align-items: start; }
.about-points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.about-points > div { display: flex; flex-direction: column; gap: 10px; }
.about-points h3 { font-size: 18px; font-weight: 700; }
.about-points p { font-size: 15px; line-height: 1.55; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer { background: var(--band); color: var(--band-text); }
.site-footer .brand-sub { color: var(--band-muted); }
.site-footer .muted { color: var(--band-faint); }
.site-footer nav { font-size: 15px; }
.site-footer nav a { color: var(--band-muted); }
.site-footer nav a.email { color: var(--band-text); text-decoration: underline; }
.site-footer :focus-visible { outline-color: #7CC8FF; }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .hero .wrap, .report .wrap, .ttv .wrap, .about .wrap { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .map-panel { max-width: 680px; }
  .cols-5, .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps .step-line { display: none; }
}
@media (max-width: 720px) {
  .map-body { flex-wrap: wrap; }
  .map-area { width: 100%; }
  .readings { min-width: 180px; }
  .cols-5, .cols-3, .steps, .energy-head, .exchange, .about-points { grid-template-columns: minmax(0, 1fr); }
  .specs th { width: 40%; }
}