:root {
	--ww-ink: var(--wp--preset--color--ink, #0F1E38);
	--ww-navy: var(--wp--preset--color--navy, #1F3A6E);
	--ww-muted: var(--wp--preset--color--muted, #52656e);
	--ww-body-copy: var(--wp--preset--color--body-copy, #4e626c);
	--ww-faint: var(--wp--preset--color--faint, #5f7078);
	--ww-paper: var(--wp--preset--color--paper, #F7F9FA);
	--ww-surface: var(--wp--preset--color--surface, #ffffff);
	--ww-header-surface: #FFFFFF;
	--ww-tint: var(--wp--preset--color--tint, #EFF4FA);
	--ww-line: var(--wp--preset--color--line, #D4DEE8);
	--ww-accent: var(--wp--preset--color--accent, #147A72);
	--ww-bolt: var(--wp--preset--color--bolt, #F6B90C);
	--ww-positive: var(--wp--preset--color--positive, #2d6f5e);
	--ww-caution: var(--wp--preset--color--caution, #9c6b1d);
	--ww-warning: var(--wp--preset--color--caution-strong, #7a5a15);
	--ww-caution-surface: var(--wp--preset--color--caution-surface, #fef3dc);
	--ww-caution-ink: var(--wp--preset--color--caution-ink, #5e5b4d);
	--ww-caution-strong: var(--wp--preset--color--caution-strong, #7a5a15);
	--ww-negative: var(--wp--preset--color--negative, #9a4f42);
	--ww-danger-surface: var(--wp--preset--color--danger-surface, #fff4f2);
	--ww-focus: var(--wp--preset--color--focus, #1d6f82);
	--ww-radius-sm: 6px;
	--ww-radius-md: 8px;
	--ww-content: 1136px; /* single source: 1136 + 2x32 gutters = 1200 box */
	--ww-wide: 1200px; /* single source: page boxes are 1200 */
	--ww-gutter: 32px;
	--ww-gutter-mobile: 20px;
	--ww-shell-width: calc(var(--ww-content) + var(--ww-gutter) + var(--ww-gutter));
	--ww-reading: 1136px; /* unified: reading boxes align to the same 1200 grid */
	--ww-font: var(--wp--preset--font-family--property-deal-sans, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
	--ww-space-1: var(--wp--preset--spacing--space-1, 0.35rem);
	--ww-space-2: var(--wp--preset--spacing--space-2, 0.65rem);
	--ww-space-3: var(--wp--preset--spacing--space-3, 0.9rem);
	--ww-space-4: var(--wp--preset--spacing--space-4, 1.25rem);
	--ww-space-5: var(--wp--preset--spacing--space-5, 1.75rem);
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	background: var(--ww-paper);
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--ww-paper);
	color: var(--ww-ink);
	font-family: var(--ww-font);
	font-size: 16px;
	line-height: 1.5;
}

img,
svg {
	display: block;
	max-width: 100%;
}

a {
	color: var(--ww-accent);
}

button,
input,
select,
textarea {
	font: inherit;
}

button {
	cursor: pointer;
}

.ww-site-main {
	min-height: 70vh;
}

.ww-icon {
	width: 1em;
	height: 1em;
	flex: 0 0 auto;
	stroke-width: 2;
}

.ww-skip-link {
	position: fixed;
	z-index: 100;
	top: 12px;
	left: 12px;
	padding: 10px 14px;
	background: var(--ww-navy);
	color: var(--ww-surface);
	font-size: 0.8rem;
	font-weight: 700;
	text-decoration: none;
	transform: translateY(-160%);
	transition: transform 160ms ease;
}

.ww-skip-link:focus {
	transform: translateY(0);
}

.ww-site-header {
	border-bottom: 1px solid var(--ww-line);
	background: var(--ww-header-surface);
	box-shadow: 0 1px 0 rgba(23, 40, 50, 0.03);
}

.ww-site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--ww-header-surface, #fff);
}
.ww-site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	max-width: var(--ww-shell-width);
	margin: 0 auto;
	padding: 10px 32px;
}

.ww-brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	line-height: 0;
	color: var(--ww-ink);
	font-weight: 800;
	text-decoration: none;
}

.ww-brand__mark {
	display: grid;
	width: 34px;
	height: 34px;
	place-items: center;
	background: var(--ww-ink);
	color: var(--ww-surface);
	border-radius: var(--ww-radius-sm);
	font-size: 0.68rem;
	font-weight: 800;
	letter-spacing: 0;
}

.ww-brand__name {
	font-size: 0.92rem;
	white-space: nowrap;
}

.ww-site-nav {
	display: flex;
	align-items: center;
	gap: 22px;
}

.ww-site-nav > ul {
	display: flex;
	align-items: center;
	gap: 22px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.ww-site-nav > li {
	list-style: none;
}

.ww-site-nav a {
	padding: 8px 0;
	color: var(--ww-muted);
	font-size: 0.8rem;
	font-weight: 700;
	text-decoration: none;
}

.ww-site-nav a:hover,
.ww-site-nav a[aria-current="page"] {
	color: var(--ww-ink);
}

.ww-header-actions {
	display: inline-flex;
	align-items: center;
	gap: 10px;
}

.ww-header-link {
	display: inline-flex;
	min-height: 40px;
	align-items: center;
	color: var(--ww-navy);
	font-size: 0.78rem;
	font-weight: 800;
	text-decoration: none;
	white-space: nowrap;
}

.ww-header-link:hover {
	color: var(--ww-accent);
}

.ww-header-cta {
	display: inline-flex;
	min-height: 38px;
	align-items: center;
	justify-content: center;
	gap: 7px;
	border: 1px solid var(--ww-navy);
	border-radius: var(--ww-radius-md);
	background: var(--ww-navy);
	color: var(--ww-surface);
	padding: 0 14px;
	font-size: 0.78rem;
	font-weight: 800;
	text-decoration: none;
	white-space: nowrap;
}

.ww-header-cta:hover {
	background: var(--ww-accent);
	color: var(--ww-surface);
}

.ww-mobile-nav-account {
	display: none;
}

.ww-site-nav a[aria-current="page"] {
	border-bottom: 2px solid var(--ww-accent);
}

.ww-menu-toggle {
	display: none;
	min-width: 44px;
	min-height: 44px;
	align-items: center;
	justify-content: center;
	gap: 7px;
	border: 1px solid var(--ww-line);
	border-radius: var(--ww-radius-sm);
	background: var(--ww-surface);
	color: var(--ww-navy);
	padding: 8px 12px;
	font-size: 0.78rem;
	font-weight: 800;
}

.ww-site-footer {
	width: 100%;
	margin: 0;
	background: #12294F;
	border-top: 1px solid rgba(246,185,12,.4);
	color: #C9D4E4;
	font-size: 0.78rem;
}
.ww-site-footer__primary, .ww-site-footer__bottom {
	max-width: var(--ww-shell-width);
	margin: 0 auto;
	padding-inline: 32px;
}
.ww-site-footer__primary {
	display: grid;
	grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
	gap: 24px 48px;
	align-items: start;
	padding-top: 40px;
	padding-bottom: 28px;
}
.ww-site-footer__meta { grid-column: 1 / -1; }
@media (max-width: 900px) { .ww-site-footer__primary { grid-template-columns: 1fr; } .ww-footer-cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .ww-footer-cols { grid-template-columns: 1fr; } }
.ww-site-footer__meta p { color: #8FA0B8; font-size: .72rem; margin-top: 10px; }
.ww-site-footer a, .ww-site-footer a:visited { color: #FFFFFF; }
.ww-site-footer a:hover { color: #F6B90C; }
.ww-site-footer__brand { filter: none; }
.ww-site-footer__bottom {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px 20px;
	padding-top: 14px;
	padding-bottom: 22px;
	border-top: 1px solid rgba(255,255,255,.14);
}
.ww-site-footer__disclosure { color: #8FA0B8; font-size: .7rem; max-width: 640px; }
.ww-site-footer__copy { color: #8FA0B8; font-size: .72rem; }
.ww-site-footer--legacy {
	max-width: var(--ww-shell-width);
	margin: 0 auto;
	padding: 28px 32px 30px;
	border-top: 1px solid var(--ww-line);
}

.ww-site-footer__primary {
	display: grid;
	grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
	align-items: center;
	gap: 40px;
}

.ww-site-footer__copy {
	min-width: 0;
}

.ww-site-footer p {
	margin: 0;
	line-height: 1.55;
}

.ww-site-footer__brand {
	display: inline-block;
	margin-bottom: 4px;
	color: var(--ww-ink);
	font-weight: 800;
	text-decoration: none;
}

.ww-site-footer__brand:hover {
	color: var(--ww-accent);
}

.ww-site-footer__copy > p {
	max-width: 420px;
}

.ww-footer-nav {
	margin: 0;
	padding: 0;
}

.ww-footer-cols {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 24px 32px;
}
.ww-footer-nav__title {
	margin: 0 0 8px;
	font-size: .72rem;
	font-weight: 800;
	letter-spacing: .08em;
	text-transform: uppercase;
	color: #F6B90C;
}
.ww-footer-nav__list {
	display: grid;
	gap: 2px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.ww-footer-nav a {
	display: inline-flex;
	min-height: 32px;
	align-items: center;
	color: #E6EDF7;
	font-weight: 700;
	text-decoration: none;
}

.ww-footer-nav a,
.ww-footer-nav a:visited {
	color: #FFFFFF;
}
.ww-footer-nav a:hover,
.ww-footer-nav a:focus-visible,
.ww-footer-nav a:active {
	color: #F6B90C;
}

.ww-site-footer__bottom {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	padding-top: 16px;
	border-top: 1px solid var(--ww-line);
}

.ww-site-footer__disclosure {
	color: var(--ww-faint);
	font-size: 0.7rem;
}

@media (max-width: 1040px) {
	.ww-site-header__inner {
		padding: 16px var(--ww-gutter);
		gap: 14px;
	}

	.ww-menu-toggle {
		display: none;
		align-items: center;
		justify-content: center;
	}

	.ww-has-menu .ww-menu-toggle {
		display: inline-flex;
	}

	.ww-has-menu .ww-site-nav {
		display: none;
		flex-basis: 100%;
		align-items: stretch;
		flex-direction: column;
		gap: 0;
		padding-top: 8px;
	}

	.ww-header-actions {
		order: initial;
		display: inline-flex;
		flex: 0 0 auto;
		gap: 8px;
		margin-inline-start: auto;
	}

	.ww-header-link {
		min-height: 36px;
		padding: 0 4px;
		font-size: 0.74rem;
	}

	.ww-site-nav {
		width: 100%;
		min-width: 0;
		flex-basis: 100%;
	}

	.ww-site-nav > ul {
		display: grid;
		width: 100%;
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 0 16px;
	}

	.ww-has-menu .ww-site-nav.is-open {
		display: flex;
	}

	.ww-site-header__inner.is-menu-open {
		flex-wrap: wrap;
	}

	.ww-site-header__inner.is-menu-open .ww-header-actions {
		flex-basis: 100%;
		justify-content: flex-start;
		margin-inline-start: 0;
	}

	.ww-mobile-nav-account {
		display: none;
		flex-wrap: wrap;
		gap: 14px;
		width: 100%;
		padding-top: 10px;
		border-top: 1px solid var(--ww-line);
	}

	.ww-mobile-nav-account a {
		color: var(--ww-navy);
		font-size: 0.8rem;
		font-weight: 800;
		text-decoration: none;
	}

	.ww-site-header__inner.is-menu-open .ww-mobile-nav-account {
		display: flex;
	}

	.ww-site-nav a {
		min-width: 0;
		overflow-wrap: anywhere;
		padding: 11px 0;
		border-bottom: 1px solid var(--ww-line);
	}

	.ww-site-nav a[aria-current="page"] {
		border-bottom: 2px solid var(--ww-accent);
	}

	.ww-site-footer {
		gap: 18px;
		padding: 24px var(--ww-gutter);
	}

	.ww-site-footer__primary {
		grid-template-columns: 1fr;
		align-items: start;
		gap: 16px;
	}

	.ww-footer-nav__list {
		justify-content: flex-start;
	}
}

@media (max-width: 760px) {
	.ww-site-header__inner {
		padding-right: var(--ww-gutter-mobile);
		padding-left: var(--ww-gutter-mobile);
	}

	.ww-header-link {
		display: none;
	}

	.ww-site-footer {
		padding-right: var(--ww-gutter-mobile);
		padding-left: var(--ww-gutter-mobile);
	}

	.ww-site-footer__bottom {
		display: block;
		padding-top: 14px;
	}
}

@media (max-width: 400px) {
	.ww-site-header__inner {
		gap: 8px;
	}

	.ww-brand {
		gap: 6px;
		min-width: 0;
	}

	.ww-brand__name {
		font-size: 0.76rem;
	}

	.ww-brand__mark {
		width: 30px;
		height: 30px;
		font-size: 0.62rem;
	}

	.ww-header-cta {
		padding-right: 9px;
		padding-left: 9px;
		font-size: 0.68rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}

/* Electric trade header: light text on dark slate, amber actions. */
.ww-site-header {
	border-bottom: 1px solid #2a3340;
}
.ww-brand {
	color: #f4f1e8;
}
.ww-brand__mark {
	background: #F6B90C;
	color: #0F1E38;
}
.ww-site-nav a {
	color: #c8cdd5;
}
.ww-site-nav a:hover,
.ww-site-nav a[aria-current="page"] {
	color: #fbbf24;
}
.ww-header-link {
	color: #e6e9ee;
}
.ww-header-cta {
	border-color: #F6B90C;
	background: #F6B90C;
	color: #0F1E38;
}
.ww-header-cta:hover {
	background: #fbbf24;
	color: #0F1E38;
}

/* Differentiated electric heroes: no mechanical mirrored layouts. */
.ww-home-hero {
	background: #0F1E38;
	border-radius: var(--ww-radius-lg);
	color: #f4f1e8;
}
.ww-home-hero h1 {
	color: #ffffff;
}
.ww-home-hero .ww-lede {
	color: #c8cdd5;
}
.ww-home-hero .ww-eyebrow {
	color: #fbbf24;
}
.ww-home-hero .ww-hero__media img {
	filter: none;
}
.ww-archive-intro {
	background: var(--ww-tint);
	border: 1px solid var(--ww-line);
	border-radius: var(--ww-radius-lg);
	padding: 28px 32px;
}
.ww-archive-intro .ww-page-intro__media {
	max-width: 220px;
	background: #ffffff;
	border: 1px solid var(--ww-line);
	border-radius: var(--ww-radius-md);
	padding: 12px;
}
[data-ww-page-key="ww-guides"] .ww-page-intro {
	background: #0F1E38;
	border-radius: var(--ww-radius-lg);
	padding: 36px 40px;
	color: #f4f1e8;
}
[data-ww-page-key="ww-guides"] .ww-page-intro h1 {
	color: #ffffff;
}
[data-ww-page-key="ww-guides"] .ww-page-intro .ww-lede {
	color: #c8cdd5;
}
[data-ww-page-key="ww-guides"] .ww-page-intro .ww-eyebrow {
	color: #fbbf24;
}
[data-ww-page-key="ww-guides"] .ww-page-intro__media {
	display: none;
}

/* Full-bleed hero bands: bands span the viewport, content caps at 1200px. */
.ww-home-hero,
.ww-archive-intro,
[data-ww-page-key="ww-guides"] .ww-page-intro {
	margin-inline: calc(50% - 50vw);
	border-radius: 0;
	border-left: none;
	border-right: none;
	padding-inline: max(20px, calc(50vw - 600px));
}
.ww-block--hero.ww-home-hero h1,
[data-ww-page-key="ww-guides"] .ww-page-intro h1 {
	color: #ffffff;
}

/* Bleed system (root cause fix): top-level bands are full-width by
   construction; nested bands bleed via negative margins. Content caps 1200.
   NOTE: double-class specificity (0,2,0) beats components' single-class
   .ww-block rules (0,1,0) regardless of stylesheet order. */
.ww-block.ww-block--bleed,
section.ww-block--bleed {
	width: 100%;
	max-width: none;
	margin-inline: 0;
	border-radius: 0;
}
.ww-bleed__inner {
	max-width: 1200px;
	margin: 0 auto;
	padding-inline: 32px;
}
.ww-block--hero.ww-home-hero {
	display: block;
	width: 100%;
	padding: 0;
	margin-inline: 0;
	background:
		radial-gradient(900px 380px at 78% 18%, rgba(246, 185, 12, 0.16), transparent 70%),
		#12294F;
	border-bottom: 4px solid #F6B90C;
}
.ww-home-hero__inner {
	display: grid;
	grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
	gap: 56px;
	align-items: center;
	padding-top: 64px;
	padding-bottom: 72px;
}

/* ============ WattBills professional polish pass (2026-10-12) ============ */
/* A. Color semantics: single source of truth lives in theme.json; fallbacks here. */
:root {
	--ww-ink: var(--wp--preset--color--ink, #0F1E38);
	--ww-navy: var(--wp--preset--color--navy, #1F3A6E);
	--ww-accent: var(--wp--preset--color--accent, #147A72);
	--ww-bolt: var(--wp--preset--color--bolt, #F6B90C);
	--ww-muted: var(--wp--preset--color--muted, #4A5B6B);
	--ww-faint: var(--wp--preset--color--faint, #7A8AA0);
	--ww-line: var(--wp--preset--color--line, #D4DEE8);
	--ww-tint: var(--wp--preset--color--tint, #EAF4F3);
}
/* B. Type scale: fluid headings, readable body. */
.ww-block--hero h1, .ww-page-intro h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.06; letter-spacing: -0.015em; text-wrap: balance; }
h2, .ww-relations-subtitle { letter-spacing: -0.01em; }
.ww-eyebrow, .ww-card__label { letter-spacing: .09em; }
.ww-detail__main, .ww-guide-content, .ww-article-body { line-height: 1.72; }
.ww-detail__main p, .ww-guide-content p, .ww-article-body p { margin: 0 0 1.1em; }
.ww-guide-section { margin: 0 0 2.2em; }
.ww-detail__main h2, .ww-guide-content h2 { margin: 2em 0 .7em; font-size: clamp(1.35rem, 2.6vw, 1.7rem); }
.ww-detail__main h3, .ww-guide-content h3 { margin: 1.6em 0 .5em; }
/* Guide intro band: strengthen boundary, calm watermark. */
.ww-guide-intro, .ww-article-intro, .ww-page-intro { border-bottom: 1px solid var(--ww-line); }
.ww-guide-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: center; font-size: .78rem; color: var(--ww-muted); }
/* Formula + example cards: teal spine, quiet surface. */
.calculator-formula-item, .ww-guide-formulas article, .ww-guide-examples article {
	border: 1px solid var(--ww-line);
	border-left: 4px solid var(--ww-accent);
	border-radius: 10px;
	background: #fff;
	padding: 16px 20px;
	margin: 0 0 14px;
}
/* FAQ details: card rows with clear affordance. */
.ww-guide-faq details, .ww-calculator-faq details {
	border: 1px solid var(--ww-line);
	border-radius: 10px;
	background: #fff;
	padding: 12px 16px;
	margin: 0 0 10px;
}
.ww-guide-faq summary, .ww-calculator-faq summary { cursor: pointer; font-weight: 700; color: var(--ww-ink); }
.ww-guide-faq summary::marker, .ww-calculator-faq summary::marker { color: var(--ww-accent); }
.ww-guide-faq details p, .ww-calculator-faq details p { margin: .6em 0 0; color: var(--ww-muted); }
/* Sources: smaller, calm, clearly secondary. */
.ww-guide-sources, .ww-guide-sources li { font-size: .8rem; color: var(--ww-muted); }
/* D. Calculator tool: tabular numerals, stronger result hierarchy. */
.calculator-output-value, .calculator-result-value { font-variant-numeric: tabular-nums; }
.calculator-outputs .calculator-output-value { font-size: 1.35rem; font-weight: 800; color: var(--ww-navy); }
.calculator-panel-heading { font-size: .78rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; color: var(--ww-navy); }
.calculator-field label { font-weight: 700; color: var(--ww-ink); }
.calculator-field input, .calculator-field select { border: 1px solid var(--ww-line); border-radius: 8px; padding: 10px 12px; font-size: 1rem; }
.calculator-field input:focus-visible, .calculator-field select:focus-visible { outline: 2px solid var(--ww-accent); outline-offset: 1px; border-color: var(--ww-accent); }
.calculator-formula-symbolic { overflow-x: auto; }
/* E. Header/footer chrome. */
.ww-site-nav a, .ww-nav-menu a { font-size: .86rem; font-weight: 700; }
.ww-header-cta { background: var(--ww-bolt); border-color: var(--ww-bolt); color: #0F1E38; }
.ww-header-cta:hover { background: #E5A90B; border-color: #E5A90B; color: #0F1E38; }
.ww-site-footer { font-size: .8rem; }
.ww-site-footer__bottom { gap: 8px 24px; padding-bottom: 26px; }
/* Print: keep formulas legible. */
@media print { .calculator-formula-item { break-inside: avoid; } }
@media (max-width: 700px) {
	.calculator-field input, .calculator-field select { font-size: 16px; }
	.ww-guide-meta { font-size: .72rem; }
}

/* Header root-cause pass: logo height drives header height; nav inherits faint link color. */
.ww-brand img { display: block; }
.ww-site-nav a, .ww-nav-menu a { color: var(--ww-ink); }
.ww-site-nav a:hover, .ww-nav-menu a:hover { color: var(--ww-accent); text-decoration: underline; text-underline-offset: 4px; }
.ww-site-nav .current-menu-item > a, .ww-nav-menu .current-menu-item > a { color: var(--ww-accent); }
.ww-header-link { color: var(--ww-ink); min-height: 38px; }
[id] { scroll-margin-top: 84px; }
@media print { .ww-site-header { position: static; } }