.solar-utility { max-width: 1100px; }

.solar-utility .hero { margin-top: 1rem; margin-bottom: 1rem; }
.solar-utility .hero h1 { font-size: 2rem; margin-bottom: .25rem; }
.solar-utility .subhead { color: #334155; margin: .25rem 0 1rem; }
.solar-utility .hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn { display:inline-block; padding:.6rem 1rem; border-radius:.75rem; text-decoration:none; }
.btn-primary { background:#0ea5e9; color:white; }

.breadcrumbs { font-size:.9rem; margin:.5rem 0 1rem; color:#6b7280; }
.breadcrumbs a { color:#6b7280; text-decoration:none; }
.breadcrumbs .current { color:#111827; }

.solar-utility .toc { background:#f8fafc; border:1px solid #e5e7eb; border-radius: .75rem; padding:1rem; margin: 0 0 1rem; }
.solar-utility .toc h2 { font-size:1rem; margin:0 0 .5rem; }
.solar-utility .toc ol { margin:0; padding-left: 1rem; line-height:1.6; }

.content { display:grid; grid-template-columns: 1fr; gap: 1rem; }
.block { background:#fff; border:1px solid #e5e7eb; border-radius:.75rem; padding:1rem; }
.block h2 { font-size:1.4rem; margin:0 0 .6rem; color:#0f172a; }
.block h3 { font-size:1.1rem; margin:1rem 0 .35rem; color:#0f172a; }
.block p { line-height:1.7; color:#1f2937; margin:.5rem 0; }

.table-wrap { overflow-x:auto; margin-top:.75rem; }
.table-wrap table { width:100%; border-collapse: collapse; }
.table-wrap th, .table-wrap td { border:1px solid #e5e7eb; padding:.6rem; text-align:left; }
.table-wrap td { font-variant-numeric: tabular-nums; }
.table-wrap thead th { background:#f1f5f9; }
.table-wrap tbody th { font-weight:600; background:#f8fafc; }

.alt-links { padding-left:1.25rem; margin-top:.5rem; }
.alt-links li { margin:.5rem 0; line-height:1.6; }
.alt-links a { color:#0ea5e9; text-decoration:none; }
.alt-links a:hover { text-decoration:underline; }

.src-line { font-size:.9rem; color:#475569; margin-top:.75rem; }
.src-line a { color:#0ea5e9; text-decoration:none; }
.src-line a:hover { text-decoration:underline; }

details { border:1px solid #e5e7eb; border-radius:.5rem; padding:.6rem .8rem; margin:.5rem 0; background:#fff; }
details summary { cursor:pointer; font-weight:600; color:#0f172a; }
details p { margin:.5rem 0 0; }

.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* ====== CHARTS ====== */
.chart-card { margin: .9rem 0 .25rem; border: 1px solid #e5e7eb; border-radius: .75rem; padding: .75rem .75rem .5rem; background: #fff; }
.chart-holder { position: relative; width: 100%; }
.chart-holder svg { width: 100%; height: auto; display: block; }
.chart-note { font-size: .85rem; color: #64748b; margin: .35rem .25rem 0; }
.chart-tip {
  position: absolute; transform: translate(-50%, -100%);
  background: #0f172a; color: #fff; padding: .35rem .55rem; border-radius: .4rem;
  font-size: .8rem; line-height: 1.2; white-space: nowrap; pointer-events: none; z-index: 5;
  box-shadow: 0 2px 8px rgba(15,23,42,.18);
}
.chart-legend { display:flex; gap:1.1rem; flex-wrap:wrap; margin:0 0 .5rem; font-size:.9rem; }
.chart-legend .lg { position:relative; padding-left:1.6rem; color:#334155; }
.chart-legend .lg::before { content:""; position:absolute; left:0; top:50%; transform:translateY(-50%); width:1.2rem; height:0; border-top-width:3px; }
.chart-legend .lg-util::before { border-top-color:#0ea5e9; border-top-style:solid; }
.chart-legend .lg-ca::before { border-top-color:#94a3b8; border-top-style:dashed; }

/* ====== ZIP GRID ====== */
.zip-grid { display:flex; flex-wrap:wrap; gap:.4rem; margin-top:.75rem; }
.zip { font-size:.85rem; font-variant-numeric:tabular-nums; background:#f1f5f9; border:1px solid #e5e7eb; color:#334155; padding:.2rem .5rem; border-radius:.4rem; }

/* ====== UTILITY INDEX CARDS ====== */
.util-cards { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1rem; margin-top:.75rem; }
.util-card { display:flex; flex-direction:column; gap:.3rem; padding:1rem 1.1rem; border:1px solid #e5e7eb; border-radius:.75rem; background:#f8fafc; text-decoration:none; transition:border-color .15s; }
.util-card:hover { border-color:#0ea5e9; }
.util-card .util-name { font-weight:600; color:#0f172a; font-size:1.05rem; }
.util-card .util-meta { font-size:.85rem; color:#475569; }

/* ====== HERO PRO ====== */
.hero-pro {
  background: radial-gradient(1200px 500px at 10% -10%, rgba(14,165,233,.15), transparent),
              linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid #e5e7eb; border-radius: 1rem; padding: 1.25rem; margin: .75rem 0 1rem;
}
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; align-items: start; }
.eyebrow { font-size: .85rem; letter-spacing: .02em; color: #0284c7; font-weight: 600; margin: 0 0 .25rem; }
.hero-pro h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .25rem; }
.hero-pro .subhead { color: #334155; margin: .25rem 0 .75rem; }
.quick-facts { margin: 0 0 .9rem; padding-left: 1.25rem; }
.quick-facts li { margin: .25rem 0; }
.hero-cta { display:flex; gap:.6rem; flex-wrap:wrap; margin:.25rem 0 .75rem; }
.btn-outline { color:#0ea5e9; border:1px solid #bae6fd; background:#f0f9ff; }
.trust-row { display:flex; gap:.5rem; flex-wrap:wrap; }
.badge { background:#f1f5f9; border:1px solid #e5e7eb; color:#334155; padding:.35rem .6rem; border-radius:999px; font-size:.85rem; }

/* ====== STICKY TOC ====== */
.sticky-toc { margin: .75rem 0 1rem; }
.toc-mobile { display: none; }
.toc-desktop { position: sticky; top: 90px; background:#fff; border:1px solid #e5e7eb; border-radius:.75rem; padding:1rem; }
.toc-desktop h2 { font-size:1rem; margin:0 0 .5rem; color:#0f172a; }
.toc-desktop ol { margin:0; padding-left:1rem; line-height:1.6; }
.toc-desktop a { color:#0ea5e9; text-decoration:none; }
.toc-desktop a:hover { text-decoration:underline; }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .toc-desktop { display:none; }
  .toc-mobile { display:block; }
  .toc-mobile summary {
    list-style:none; cursor:pointer; font-weight:700; padding:.8rem 1rem;
    border:1px solid #e5e7eb; border-radius:.75rem; background:#f8fafc; color:#0f172a;
  }
  .toc-mobile[open] summary { border-bottom-left-radius:0; border-bottom-right-radius:0; }
  .toc-mobile ol { border:1px solid #e5e7eb; border-top:0; border-radius:0 0 .75rem .75rem; padding: .6rem 1.2rem; background:#fff; }
}

/* ====== RATE HIKE / BILL PROJECTOR CALCULATOR ====== */
.calc { margin-top: .75rem; }
.calc-controls { display: grid; gap: .75rem; }
.calc-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.calc-row label, .calc-row .calc-label { font-size: .92rem; color: #334155; min-width: 180px; }
.calc-row input[type=range] { flex: 1; min-width: 160px; accent-color: #0ea5e9; }
.calc-row output { font-size: .95rem; font-weight: 600; min-width: 96px; text-align: right; color: #0f172a; }
.calc-addons { gap: 8px; }
.addon { background: #f1f5f9; border: 1px solid #e2e8f0; color: #334155; padding: .4rem .7rem; border-radius: .5rem; font-size: .85rem; cursor: pointer; }
.addon:hover { border-color: #0ea5e9; }
.addon.on { background: #0ea5e9; border-color: #0ea5e9; color: #fff; }
.calc-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 1rem 0; }
.calc-tile { background: #f8fafc; border: 1px solid #e5e7eb; border-radius: .6rem; padding: .7rem .8rem; }
.calc-tile .t-lab { display: block; font-size: .78rem; color: #64748b; margin-bottom: .25rem; }
.calc-tile .t-val { font-size: 1.5rem; font-weight: 600; color: #0f172a; font-variant-numeric: tabular-nums; }
.calc-tile.hot .t-val { color: #0284c7; }
.calc-disclaimer { font-size: .8rem; color: #64748b; margin-top: .5rem; line-height: 1.5; }

/* ====== PER-UTILITY PERSONALITY (Phase 2) ======
   Every utility sets --uacc on .solar-utility; the hook card, signature
   block, legend, and chart pick it up so each page carries its own color. */
.solar-utility { --uacc: #0ea5e9; --uacc-soft: color-mix(in srgb, var(--uacc) 9%, #fff); --uacc-ink: color-mix(in srgb, var(--uacc) 55%, #0f172a); }
.solar-utility .btn-primary { background: var(--uacc); }
.solar-utility .chart-legend .lg-util::before { border-top-color: var(--uacc); }
.solar-utility .calc-row input[type=range] { accent-color: var(--uacc); }
.solar-utility .addon.on { background: var(--uacc); border-color: var(--uacc); }

/* Hero hook: the utility's one defining number */
.hero-grid-hook { grid-template-columns: 1fr; }
@media (min-width: 860px) { .hero-grid-hook { grid-template-columns: 1.6fr 1fr; gap: 2rem; } }
.hero-hook { background: #fff; border: 1px solid #e2e8f0; border-top: 5px solid var(--uacc); border-radius: 14px; box-shadow: 0 10px 28px -20px rgba(15,23,42,.4); padding: 1.3rem 1.4rem; align-self: center; }
.hero-hook .hh-value { display: block; font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 800; letter-spacing: -.03em; color: var(--uacc-ink); line-height: 1; font-variant-numeric: tabular-nums; }
.hero-hook .hh-label { display: block; font-size: .95rem; font-weight: 700; color: #0f172a; margin: .45rem 0 .35rem; }
.hero-hook .hh-ctx { font-size: .85rem; color: #475569; line-height: 1.55; margin: 0 0 .8rem; }
.hero-hook .hh-meta { display: flex; flex-wrap: wrap; gap: .35rem 1rem; border-top: 1px dashed #e2e8f0; padding-top: .7rem; }
.hero-hook .hh-meta span { font-size: .75rem; color: #64748b; }

/* Signature block family */
.usig-kicker { font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: color-mix(in srgb, var(--uacc) 60%, #fff); margin: 0 0 .5rem; }
.usig-panel { background: #0b1220; border-radius: 14px; padding: 1.6rem 1.8rem; position: relative; overflow: hidden; }
.usig-panel::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 6px; background: var(--uacc); }
.usig-panel h2 { color: #fff !important; border: 0 !important; padding: 0 !important; margin: 0 0 .7rem !important; }
.usig-panel p { color: #cbd5e1; line-height: 1.65; margin: 0; }

.usig-mf .usig-mf-row { display: grid; grid-template-columns: 1fr; gap: .4rem 0; padding: 1rem 0; border-top: 1px solid #e5e7eb; }
.usig-mf .usig-mf-row:first-child { border-top: 0; }
@media (min-width: 720px) { .usig-mf .usig-mf-row { grid-template-columns: 1fr 1.15fr; gap: 0 2rem; } }
.usig-mf-myth { color: #64748b; font-size: .92rem; line-height: 1.55; position: relative; padding-left: 1.4rem; }
.usig-mf-myth::before { content: "\201C"; position: absolute; left: 0; top: .1rem; font-size: 1.3rem; font-weight: 800; color: #cbd5e1; line-height: 1; }
.usig-mf-fact { color: #0f172a; font-size: .96rem; line-height: 1.6; font-weight: 500; position: relative; padding-left: 1.4rem; }
.usig-mf-fact::before { content: ""; position: absolute; left: 0; top: .5rem; width: 9px; height: 9px; border-radius: 50%; background: var(--uacc); }

.usig-paths { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .9rem; margin-top: .9rem; }
.usig-path { background: #f8fafc; border: 1px solid #e5e7eb; border-top: 4px solid var(--uacc); border-radius: 10px; padding: 1rem 1.1rem; }
.usig-path h3 { font-size: .98rem; font-weight: 800; color: #0f172a; margin: 0 0 .4rem; }
.usig-path p { font-size: .88rem; color: #475569; line-height: 1.55; margin: 0; }

.usig-tl { list-style: none; margin: .9rem 0 0; padding: 0; }
.usig-tl li { position: relative; padding: 0 0 1.2rem 2.1rem; }
.usig-tl li::before { content: ""; position: absolute; left: 6px; top: 1.4rem; bottom: -.2rem; width: 2px; background: #e5e7eb; }
.usig-tl li:last-child { padding-bottom: 0; }
.usig-tl li:last-child::before { display: none; }
.usig-tl li::after { content: ""; position: absolute; left: 0; top: .25rem; width: 13px; height: 13px; border-radius: 50%; background: #fff; border: 3px solid var(--uacc); }
.usig-tl .usig-tl-mark { font-size: .75rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; color: var(--uacc-ink); }
.usig-tl p { font-size: .94rem; color: #334155; line-height: 1.6; margin: .15rem 0 0; }

.usig-split { display: grid; grid-template-columns: 1fr; gap: .9rem; margin-top: .9rem; }
@media (min-width: 760px) { .usig-split { grid-template-columns: 1fr 1fr; } }
.usig-split-a { background: var(--uacc-soft); border: 1px solid color-mix(in srgb, var(--uacc) 25%, #fff); border-radius: 10px; padding: 1.1rem 1.2rem; }
.usig-split-b { background: #f8fafc; border: 1px solid #e5e7eb; border-radius: 10px; padding: 1.1rem 1.2rem; }
.usig-split h3 { font-size: .95rem; font-weight: 800; color: #0f172a; margin: 0 0 .45rem; }
.usig-split p { font-size: .9rem; color: #475569; line-height: 1.6; margin: 0; }