/*
 * ICYCO Air-to-Air Heat Pump Calculator — wizard frontend
 *
 * 4-step guided wizard. All selectors scoped under
 * .icyco-heatpump-calculator. Full-bleed outer wrapper so the section
 * background spans viewport width regardless of where the shortcode is
 * inserted in the document.
 */

.icyco-heatpump-calculator {
	/* === Brand tokens === */
	--icyco-blue:           var(--awb-color6,   #013cae);
	--icyco-blue-dark:      var(--awb-custom12, #012b7f);
	--icyco-blue-deep:      #07153d;
	--icyco-blue-tint:      #e8eef9;
	--icyco-blue-soft:      #f1f5fb;

	--icyco-red:            #d72638;
	--icyco-red-dark:       #a91b29;
	--icyco-red-tint:       #fef2f3;

	--icyco-success:        #1f9d5e;
	--icyco-success-tint:   #e8f5ed;

	--icyco-text:           #0f172a;
	--icyco-text-strong:    #06112c;
	--icyco-text-muted:     #475569;
	--icyco-text-faint:     #6b7280;
	--icyco-text-soft:      #a0aec0;

	--icyco-bg:             #ffffff;
	--icyco-bg-soft:        #f8fafc;
	--icyco-bg-tint:        #eef3f9;
	--icyco-bg-section:     #f3f6fb;

	--icyco-border:         #e3e9f0;
	--icyco-border-soft:    #eef2f7;
	--icyco-border-strong:  #c9d3df;

	--hpc-accent: var(--icyco-blue);
	--hpc-radius: 16px;

	--icyco-radius:         var(--hpc-radius);
	--icyco-radius-sm:      12px;
	--icyco-radius-xs:      8px;

	--icyco-shadow-xs:      0 1px 2px rgba(15, 23, 42, 0.04);
	--icyco-shadow-sm:      0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 16px rgba(15, 23, 42, 0.05);
	--icyco-shadow:         0 2px 6px rgba(15, 23, 42, 0.06), 0 16px 40px rgba(15, 23, 42, 0.06);
	--icyco-shadow-card:    0 4px 12px rgba(15, 23, 42, 0.05), 0 24px 56px rgba(15, 23, 42, 0.08);
	--icyco-shadow-hero:    0 8px 16px rgba(1, 30, 90, 0.12), 0 32px 64px rgba(1, 30, 90, 0.22);
	--icyco-ring:           0 0 0 4px rgba(1, 60, 174, 0.15);

	--icyco-text-xs:        12px;
	--icyco-text-sm:        14px;
	--icyco-text-base:      16px;
	--icyco-text-md:        17px;
	--icyco-text-lg:        19px;
	--icyco-text-xl:        24px;
	--icyco-text-2xl:       30px;
	--icyco-text-3xl:       38px;
	--icyco-display-hero:   clamp(48px, 7vw, 84px);
	--icyco-display-title:  clamp(28px, 4.2vw, 44px);

	color: var(--icyco-text);
	font-family: inherit;
	font-size: var(--icyco-text-base);
	line-height: 1.55;
	display: block;

	/* Full-bleed escape from parent container constraints */
	position: relative;
	width: 100vw;
	margin-left: 50%;
	margin-right: 50%;
	transform: translateX(-50%);
	max-width: 100vw;
}

.icyco-heatpump-calculator *,
.icyco-heatpump-calculator *::before,
.icyco-heatpump-calculator *::after {
	box-sizing: border-box;
}

/* Theme defensive resets */
.icyco-heatpump-calculator fieldset {
	border: 0;
	padding: 0;
	margin: 0;
	min-width: 0;
}
.icyco-heatpump-calculator legend {
	display: block;
	padding: 0;
	margin: 0;
	float: none;
	width: 100%;
}
.icyco-heatpump-calculator button,
.icyco-heatpump-calculator input,
.icyco-heatpump-calculator select,
.icyco-heatpump-calculator textarea {
	font-family: inherit;
}
.icyco-heatpump-calculator :focus-visible {
	outline: 2px solid var(--icyco-blue);
	outline-offset: 2px;
	border-radius: 4px;
}

/* ============================================================ */
/* Section band                                                 */
/* ============================================================ */
.hpcalc__section {
	background:
		radial-gradient(ellipse at top, var(--icyco-bg-tint) 0%, transparent 60%),
		linear-gradient(180deg, var(--icyco-bg-section) 0%, #ffffff 85%);
	padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 4vw, 2.5rem) clamp(3rem, 6vw, 5.5rem);
}
.hpcalc__container {
	width: 100%;
	max-width: 1180px;
	margin: 0 auto;
}

/* ============================================================ */
/* Hero                                                         */
/* ============================================================ */
.hpcalc__hero {
	text-align: center;
	margin: 0 auto clamp(2rem, 4vw, 2.75rem);
	max-width: 800px;
}
.hpcalc__hero-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: .5rem;
	font-size: var(--icyco-text-xs);
	letter-spacing: .12em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-blue);
	background: var(--icyco-blue-tint);
	padding: .35rem .85rem;
	border-radius: 999px;
	margin: 0 0 1rem;
}
.hpcalc__hero-title {
	margin: 0 0 .85rem;
	font-size: var(--icyco-display-title);
	font-weight: 800;
	color: var(--icyco-text-strong);
	letter-spacing: -0.025em;
	line-height: 1.1;
}
.hpcalc__hero-intro {
	margin: 0 0 1.35rem;
	color: var(--icyco-text-muted);
	font-size: clamp(16px, 1.5vw, 19px);
	line-height: 1.5;
}
.hpcalc__badges {
	display: inline-flex;
	flex-wrap: wrap;
	gap: .55rem;
	list-style: none;
	padding: 0;
	margin: 0;
	justify-content: center;
}
.hpcalc__badges li {
	display: inline-flex;
	align-items: center;
	gap: .45rem;
	padding: .45rem .9rem;
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: 999px;
	font-size: var(--icyco-text-xs);
	color: var(--icyco-text);
	font-weight: 600;
}
.hpcalc__badges svg {
	width: 14px;
	height: 14px;
	fill: var(--icyco-success);
	flex: 0 0 14px;
}

/* ============================================================ */
/* Progress indicator                                           */
/* ============================================================ */
.hpcalc__progress {
	max-width: 880px;
	margin: 0 auto clamp(1.5rem, 3vw, 2.25rem);
}
.hpcalc__progress-mobile {
	display: none;
	text-align: center;
	margin: 0 0 1rem;
	font-size: var(--icyco-text-sm);
}
.hpcalc__progress-mobile-step {
	display: inline-block;
	letter-spacing: .1em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-blue);
	font-size: 11px;
	margin-right: .5rem;
}
.hpcalc__progress-mobile-name {
	color: var(--icyco-text-strong);
	font-weight: 700;
	font-size: var(--icyco-text-md);
}

.hpcalc__steps {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 0;
	position: relative;
}
.hpcalc__steps::before {
	/* Connector line behind the circles */
	content: '';
	position: absolute;
	top: 22px;
	left: calc(12.5% + 0px);
	right: calc(12.5% + 0px);
	height: 2px;
	background: var(--icyco-border);
	z-index: 0;
}
.hpcalc__steps-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: .65rem;
	text-align: center;
	position: relative;
	z-index: 1;
}
.hpcalc__steps-num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	background: var(--icyco-bg);
	border: 2px solid var(--icyco-border-strong);
	color: var(--icyco-text-faint);
	font-size: var(--icyco-text-md);
	font-weight: 700;
	border-radius: 50%;
	transition: background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.hpcalc__steps-label {
	font-size: var(--icyco-text-sm);
	font-weight: 600;
	color: var(--icyco-text-muted);
	letter-spacing: .005em;
}
.hpcalc__steps-item.is-current .hpcalc__steps-num {
	background: var(--icyco-blue);
	border-color: var(--icyco-blue);
	color: #ffffff;
	box-shadow: 0 0 0 6px rgba(1, 60, 174, 0.12);
}
.hpcalc__steps-item.is-current .hpcalc__steps-label {
	color: var(--icyco-text-strong);
	font-weight: 700;
}
.hpcalc__steps-item.is-done .hpcalc__steps-num {
	background: var(--icyco-blue);
	border-color: var(--icyco-blue);
	color: #ffffff;
}
.hpcalc__steps-item.is-done .hpcalc__steps-num::before {
	content: '✓';
	font-size: 18px;
	line-height: 1;
}
.hpcalc__steps-item.is-done .hpcalc__steps-num span,
.hpcalc__steps-item.is-done .hpcalc__steps-num {
	font-size: 0;
}
.hpcalc__steps-item.is-done .hpcalc__steps-num::before {
	font-size: 18px;
}
.hpcalc__steps-item.is-done .hpcalc__steps-label {
	color: var(--icyco-text-muted);
}

@media (max-width: 640px) {
	.hpcalc__progress-mobile { display: block; }
	.hpcalc__steps {
		grid-template-columns: repeat(4, 1fr);
		gap: 0;
	}
	.hpcalc__steps::before {
		top: 14px;
	}
	.hpcalc__steps-num {
		width: 28px;
		height: 28px;
		font-size: var(--icyco-text-sm);
	}
	.hpcalc__steps-item.is-done .hpcalc__steps-num::before {
		font-size: 14px;
	}
	.hpcalc__steps-item.is-current .hpcalc__steps-num {
		box-shadow: 0 0 0 4px rgba(1, 60, 174, 0.12);
	}
	.hpcalc__steps-label { display: none; }
}

/* ============================================================ */
/* Wizard steps                                                 */
/* ============================================================ */
.hpcalc__form {
	display: block;
	margin: 0;
}
.hpcalc__step {
	display: block;
	margin: 0;
}
.hpcalc__step[hidden] {
	display: none;
}
.hpcalc__step-card {
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius);
	box-shadow: var(--icyco-shadow-card);
	padding: clamp(1.75rem, 3vw, 2.75rem) clamp(1.5rem, 3.5vw, 3rem);
	max-width: 880px;
	margin: 0 auto;
}
.hpcalc__step--results .hpcalc__step-card,
.hpcalc__step--results { max-width: 1100px; margin-left: auto; margin-right: auto; }
.hpcalc__step-head {
	margin: 0 0 1.75rem;
}
.hpcalc__step-head--centered { text-align: center; max-width: 720px; margin-left: auto; margin-right: auto; }
.hpcalc__step-eyebrow {
	font-size: 11px;
	letter-spacing: .12em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-blue);
	margin: 0 0 .5rem;
}
.hpcalc__step-title {
	margin: 0 0 .5rem;
	font-size: clamp(22px, 3vw, 30px);
	font-weight: 700;
	color: var(--icyco-text-strong);
	letter-spacing: -0.015em;
	line-height: 1.2;
}
.hpcalc__step-sub {
	margin: 0;
	font-size: var(--icyco-text-md);
	color: var(--icyco-text-muted);
	line-height: 1.55;
	max-width: 56ch;
}

.hpcalc__field-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.25rem 1.5rem;
}
.hpcalc__field {
	min-width: 0;
}
.hpcalc__field--full {
	grid-column: 1 / -1;
	margin-bottom: 1.5rem;
}
.hpcalc__field--full:last-of-type { margin-bottom: 0; }

.hpcalc__label,
.hpcalc__sub-label {
	display: block;
	font-weight: 600;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text);
	margin: 0 0 .5rem;
}
.hpcalc__label--block { margin-bottom: .5rem; }
.hpcalc__sub-label {
	margin-top: 1rem;
	font-weight: 600;
}

/* Inputs / selects */
.icyco-heatpump-calculator .hpcalc__select,
.icyco-heatpump-calculator .hpcalc__input {
	display: block;
	width: 100%;
	min-height: 52px;
	padding: .75rem 1rem;
	font: inherit;
	font-size: var(--icyco-text-base);
	color: var(--icyco-text-strong);
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border-strong);
	border-radius: var(--icyco-radius-sm);
	line-height: 1.4;
	transition: border-color .15s ease, box-shadow .15s ease;
	appearance: auto;
}
.icyco-heatpump-calculator .hpcalc__select {
	padding-right: 2.75rem;
	background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%23475569' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='M1 1l5 5 5-5'/></svg>");
	background-repeat: no-repeat;
	background-position: right 1.1rem center;
	background-size: 12px 8px;
	-webkit-appearance: none;
	appearance: none;
	cursor: pointer;
}
.icyco-heatpump-calculator .hpcalc__select:hover,
.icyco-heatpump-calculator .hpcalc__input:hover {
	border-color: var(--icyco-blue);
}
.icyco-heatpump-calculator .hpcalc__select:focus,
.icyco-heatpump-calculator .hpcalc__input:focus {
	outline: none;
	border-color: var(--icyco-blue);
	box-shadow: var(--icyco-ring);
}

.hpcalc__hint {
	display: block;
	margin-top: .55rem;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-faint);
	line-height: 1.5;
	font-weight: 500;
}
.hpcalc__hint strong { color: var(--icyco-text); font-weight: 600; }

.hpcalc__helper {
	margin: 0 0 1rem;
	font-size: var(--icyco-text-md);
	color: var(--icyco-text-muted);
	line-height: 1.55;
}

.hpcalc__advanced {
	margin-top: 1.25rem;
	padding-top: 1.1rem;
	border-top: 1px dashed var(--icyco-border);
}
.hpcalc__advanced summary {
	cursor: pointer;
	font-size: var(--icyco-text-xs);
	font-weight: 700;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--icyco-blue);
	padding: .25rem 0;
	list-style: none;
}
.hpcalc__advanced summary::-webkit-details-marker { display: none; }
.hpcalc__advanced summary::before {
	content: '+';
	margin-right: .4rem;
	font-weight: 700;
	font-size: 1.05em;
}
.hpcalc__advanced[open] summary::before { content: '−'; }
.hpcalc__advanced summary:hover { color: var(--icyco-blue-dark); }
.hpcalc__advanced-body {
	margin: .75rem 0 0;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-muted);
	line-height: 1.55;
}

/* Choice cards (hot water, tariff) */
.hpcalc__choice-group {
	margin-top: 1.75rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--icyco-border-soft);
}
.hpcalc__choice-group:first-child {
	margin-top: 0;
	padding-top: 0;
	border-top: 0;
}
.hpcalc__choice {
	display: flex;
	align-items: flex-start;
	gap: .9rem;
	padding: 1.15rem 1.25rem;
	background: var(--icyco-bg);
	border: 2px solid var(--icyco-border);
	border-radius: var(--icyco-radius-sm);
	cursor: pointer;
	transition: border-color .15s ease, background-color .15s ease, box-shadow .15s ease;
	margin-bottom: .65rem;
}
.hpcalc__choice:last-child { margin-bottom: 0; }
.hpcalc__choice:hover {
	border-color: var(--icyco-blue);
	background: var(--icyco-blue-soft);
}
.hpcalc__choice input[type="radio"] {
	margin: 0;
	margin-top: .2rem;
	width: 20px;
	height: 20px;
	accent-color: var(--icyco-blue);
	flex: 0 0 20px;
	cursor: pointer;
}
.hpcalc__choice:has(input:checked) {
	border-color: var(--icyco-blue);
	background: var(--icyco-blue-tint);
	box-shadow: 0 0 0 1px var(--icyco-blue) inset;
}
.hpcalc__choice-body {
	display: flex;
	flex-direction: column;
	gap: .2rem;
	min-width: 0;
}
.hpcalc__choice-title {
	font-weight: 600;
	color: var(--icyco-text-strong);
	font-size: var(--icyco-text-md);
	line-height: 1.4;
}
.hpcalc__choice-sub {
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-muted);
	line-height: 1.5;
}

.hpcalc__inset {
	margin-top: 1rem;
	padding: 1.25rem 1.4rem;
	background: var(--icyco-bg-soft);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius-sm);
}
.hpcalc__inset .hpcalc__sub-label { margin-top: 0; }

.hpcalc__custom-tariff {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--icyco-text-sm);
}
.hpcalc__custom-tariff th,
.hpcalc__custom-tariff td {
	padding: .65rem .6rem;
	text-align: left;
	vertical-align: middle;
	border-bottom: 1px solid var(--icyco-border);
}
.hpcalc__custom-tariff thead th {
	font-size: 11px;
	letter-spacing: .06em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-text-faint);
}
.hpcalc__custom-tariff td:first-child {
	color: var(--icyco-text);
	font-weight: 500;
}
.icyco-heatpump-calculator .hpcalc__custom-tariff input {
	min-height: 40px;
	padding: .45rem .6rem;
	font-size: var(--icyco-text-sm);
}
.hpcalc__custom-tariff-note {
	color: var(--icyco-text-faint);
	font-size: var(--icyco-text-xs);
	font-style: italic;
}

.hpcalc__fuel-card {
	margin-top: 1.5rem;
	padding: 1.25rem 1.4rem;
	background: var(--icyco-bg-soft);
	border: 1px solid var(--icyco-border);
	border-left: 4px solid var(--icyco-blue);
	border-radius: var(--icyco-radius-sm);
}
.hpcalc__fuel-card .hpcalc__sub-label { margin-top: 0; }

.hpcalc__reassure {
	margin: 1.5rem 0 0;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-faint);
	display: inline-flex;
	align-items: center;
	gap: .5rem;
}
.hpcalc__reassure::before {
	content: '';
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--icyco-success);
	flex: 0 0 6px;
}

/* ============================================================ */
/* Step navigation buttons                                      */
/* ============================================================ */
.hpcalc__step-nav {
	display: flex;
	justify-content: flex-end;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
	margin-top: 2rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--icyco-border-soft);
}
.hpcalc__step-nav--split {
	justify-content: space-between;
}
.hpcalc__step-nav--results {
	justify-content: center;
	border-top: 0;
	padding-top: 1.5rem;
}

.icyco-heatpump-calculator .hpcalc__submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .65rem;
	min-height: 56px;
	padding: 1rem 2.25rem;
	background: var(--icyco-red);
	color: #ffffff;
	border: 0;
	border-radius: 999px;
	font: inherit;
	font-size: var(--icyco-text-md);
	font-weight: 700;
	letter-spacing: .005em;
	cursor: pointer;
	text-decoration: none;
	transition: background-color .15s ease, transform .05s ease, box-shadow .15s ease;
	box-shadow: 0 2px 4px rgba(167, 27, 41, 0.2), 0 10px 24px rgba(167, 27, 41, 0.2);
}
.icyco-heatpump-calculator .hpcalc__submit svg {
	width: 18px;
	height: 18px;
}
.icyco-heatpump-calculator .hpcalc__submit:hover,
.icyco-heatpump-calculator .hpcalc__submit:focus-visible {
	background: var(--icyco-red-dark);
	outline: none;
	transform: translateY(-1px);
	box-shadow: 0 4px 8px rgba(167, 27, 41, 0.25), 0 14px 32px rgba(167, 27, 41, 0.28);
}
.icyco-heatpump-calculator .hpcalc__submit:active { transform: translateY(0); }

.icyco-heatpump-calculator .hpcalc__quote-cta {
	background: var(--icyco-red);
	color: #ffffff;
}

.icyco-heatpump-calculator .hpcalc__back {
	display: inline-flex;
	align-items: center;
	gap: .5rem;
	background: transparent;
	color: var(--icyco-text-muted);
	border: 0;
	font: inherit;
	font-size: var(--icyco-text-sm);
	font-weight: 600;
	cursor: pointer;
	padding: .8rem 1.25rem;
	border-radius: 999px;
	transition: background-color .15s ease, color .15s ease;
	text-decoration: none;
}
.icyco-heatpump-calculator .hpcalc__back:hover {
	background: var(--icyco-bg-soft);
	color: var(--icyco-text-strong);
}
.icyco-heatpump-calculator .hpcalc__back svg {
	width: 14px;
	height: 14px;
}

.hpcalc__error {
	margin: 1.5rem 0 0;
	padding: 1.1rem 1.4rem;
	background: var(--icyco-red-tint);
	border: 1px solid #f8c8cd;
	border-left: 4px solid var(--icyco-red);
	border-radius: var(--icyco-radius-sm);
	color: var(--icyco-red-dark);
	font-size: var(--icyco-text-md);
	font-weight: 500;
}

/* ============================================================ */
/* Step 4: Results                                              */
/* ============================================================ */
.hpcalc__results {
	display: grid;
	gap: 1.25rem;
	margin-top: 0;
}

/* Hero savings panel */
.hpcalc-savings {
	background: linear-gradient(135deg, var(--icyco-blue) 0%, var(--icyco-blue-deep) 100%);
	color: #ffffff;
	border-radius: var(--icyco-radius);
	padding: clamp(2rem, 4vw, 3rem) clamp(1.75rem, 4vw, 3rem);
	position: relative;
	overflow: hidden;
	box-shadow: var(--icyco-shadow-hero);
	text-align: center;
}
.hpcalc-savings::before {
	content: '';
	position: absolute;
	top: -60%;
	right: -25%;
	width: 80%;
	height: 220%;
	background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
	pointer-events: none;
}
.hpcalc-savings__label {
	display: block;
	font-size: var(--icyco-text-xs);
	letter-spacing: .14em;
	text-transform: uppercase;
	color: rgba(255,255,255,0.82);
	font-weight: 700;
	margin-bottom: .85rem;
	position: relative;
	z-index: 1;
}
.hpcalc-savings__value {
	display: block;
	font-size: var(--icyco-display-hero);
	font-weight: 800;
	line-height: 0.95;
	letter-spacing: -0.03em;
	color: #ffffff;
	margin-bottom: 1.1rem;
	position: relative;
	z-index: 1;
}
.hpcalc-savings__sub {
	display: block;
	font-size: var(--icyco-text-md);
	color: rgba(255,255,255,0.92);
	line-height: 1.55;
	margin: 0 auto 1.75rem;
	position: relative;
	z-index: 1;
	max-width: 52ch;
}
.hpcalc-savings__co2 {
	display: inline-flex;
	align-items: baseline;
	gap: .85rem;
	padding-top: 1.5rem;
	border-top: 1px solid rgba(255,255,255,0.22);
	position: relative;
	z-index: 1;
}
.hpcalc-savings__co2-label {
	font-size: var(--icyco-text-xs);
	letter-spacing: .12em;
	text-transform: uppercase;
	color: rgba(255,255,255,0.8);
	font-weight: 700;
}
.hpcalc-savings__co2-value {
	font-size: var(--icyco-text-2xl);
	font-weight: 700;
	color: #ffffff;
	font-variant-numeric: tabular-nums;
	letter-spacing: -0.01em;
}
.hpcalc-savings.is-negative {
	background: linear-gradient(135deg, #475569 0%, #1f2937 100%);
}

/* Comparison cards 4-up */
.hpcalc-stats {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: .85rem;
}
.hpcalc-stat {
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius-sm);
	padding: 1.25rem 1.3rem;
	box-shadow: var(--icyco-shadow-xs);
	text-align: left;
}
.hpcalc-stat__label {
	font-size: 11px;
	letter-spacing: .08em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-text-faint);
	display: block;
	margin-bottom: .45rem;
}
.hpcalc-stat__value {
	font-size: var(--icyco-text-2xl);
	font-weight: 700;
	color: var(--icyco-text-strong);
	line-height: 1.1;
	letter-spacing: -0.015em;
	font-variant-numeric: tabular-nums;
	display: block;
	margin-bottom: .25rem;
}
.hpcalc-stat__sub {
	font-size: var(--icyco-text-xs);
	color: var(--icyco-text-faint);
	display: block;
}
.hpcalc-stat--current { border-top: 3px solid var(--icyco-text-soft); }
.hpcalc-stat--hp      { border-top: 3px solid var(--icyco-blue); }
.hpcalc-stat--energy  { border-top: 3px solid var(--icyco-text-muted); }
.hpcalc-stat--co2     { border-top: 3px solid var(--icyco-success); }

/* Compare bars */
.hpcalc-compare {
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius-sm);
	padding: 1.5rem 1.75rem;
	box-shadow: var(--icyco-shadow-xs);
}
.hpcalc-compare__title {
	font-size: 11px;
	letter-spacing: .08em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-text-faint);
	margin: 0 0 1.25rem;
}
.hpcalc-compare__metric { margin-bottom: 1.4rem; }
.hpcalc-compare__metric:last-child { margin-bottom: 0; }
.hpcalc-compare__metric-name {
	font-size: var(--icyco-text-md);
	font-weight: 600;
	color: var(--icyco-text);
	margin-bottom: .75rem;
}
.hpcalc-compare__bar {
	display: grid;
	grid-template-columns: 110px 1fr 110px;
	gap: 1rem;
	align-items: center;
	margin-bottom: .55rem;
}
.hpcalc-compare__bar-label {
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-muted);
	font-weight: 500;
}
.hpcalc-compare__bar-track {
	background: var(--icyco-bg-tint);
	border-radius: 999px;
	height: 14px;
	overflow: hidden;
}
.hpcalc-compare__bar-fill {
	height: 100%;
	border-radius: 999px;
	transition: width .4s ease;
}
.hpcalc-compare__bar-fill--current { background: var(--icyco-text-soft); }
.hpcalc-compare__bar-fill--hp      { background: var(--icyco-blue); }
.hpcalc-compare__bar-value {
	font-size: var(--icyco-text-md);
	font-weight: 700;
	color: var(--icyco-text-strong);
	text-align: right;
	font-variant-numeric: tabular-nums;
}

/* Standing-charge insight */
.hpcalc-standing {
	background: var(--icyco-success-tint);
	border: 1px solid #c8e7d5;
	border-left: 4px solid var(--icyco-success);
	border-radius: var(--icyco-radius);
	padding: 1.6rem 1.75rem;
	box-shadow: var(--icyco-shadow-xs);
}
.hpcalc-standing__head {
	display: flex;
	align-items: flex-start;
	gap: 1rem;
	margin-bottom: 1.1rem;
}
.hpcalc-standing__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	background: #ffffff;
	border-radius: 50%;
	color: var(--icyco-success);
	flex: 0 0 44px;
}
.hpcalc-standing__icon svg { width: 24px; height: 24px; }
.hpcalc-standing__title {
	margin: 0;
	font-size: var(--icyco-text-lg);
	font-weight: 700;
	color: #07522e;
	letter-spacing: -0.01em;
	line-height: 1.3;
}
.hpcalc-standing__sub {
	margin: .35rem 0 0;
	font-size: var(--icyco-text-sm);
	color: #1a6b41;
	line-height: 1.55;
}
.hpcalc-standing__amount {
	display: flex;
	align-items: baseline;
	gap: .65rem;
	margin: 0 0 .65rem;
}
.hpcalc-standing__amount-value {
	font-size: var(--icyco-text-3xl);
	font-weight: 800;
	color: #07522e;
	letter-spacing: -0.015em;
	font-variant-numeric: tabular-nums;
}
.hpcalc-standing__amount-unit {
	font-size: var(--icyco-text-sm);
	color: #1a6b41;
	font-weight: 600;
}
.hpcalc-standing__detail {
	font-size: var(--icyco-text-xs);
	color: #1a6b41;
	margin: 0 0 .75rem;
	line-height: 1.5;
}
.hpcalc-standing__source summary {
	cursor: pointer;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .08em;
	text-transform: uppercase;
	color: #1a6b41;
	list-style: none;
}
.hpcalc-standing__source summary::-webkit-details-marker { display: none; }
.hpcalc-standing__source summary::before { content: '+'; margin-right: .3rem; }
.hpcalc-standing__source[open] summary::before { content: '−'; }
.hpcalc-standing__source-body {
	margin-top: .55rem;
	font-size: var(--icyco-text-xs);
	color: #1a6b41;
}
.hpcalc-standing__source a {
	color: #07522e;
	text-decoration: underline;
}

/* ============================================================ */
/* Detailed breakdown accordion                                 */
/* ============================================================ */
.hpcalc__breakdown {
	margin-top: clamp(1.25rem, 2vw, 1.75rem);
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius);
	box-shadow: var(--icyco-shadow-sm);
	overflow: hidden;
}
.hpcalc__breakdown[hidden] { display: none; }
.hpcalc__breakdown-summary {
	cursor: pointer;
	padding: 1.3rem 1.75rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	font-size: var(--icyco-text-md);
	font-weight: 700;
	color: var(--icyco-text-strong);
	list-style: none;
	transition: background-color .15s ease;
}
.hpcalc__breakdown-summary::-webkit-details-marker { display: none; }
.hpcalc__breakdown-summary:hover { background: var(--icyco-bg-soft); }
.hpcalc__breakdown-label {
	display: inline-flex;
	align-items: center;
	gap: .75rem;
}
.hpcalc__breakdown-label::before {
	content: '';
	width: 4px;
	height: 22px;
	background: var(--icyco-blue);
	border-radius: 2px;
}
.hpcalc__breakdown-arrow {
	width: 12px;
	height: 12px;
	border-right: 2px solid var(--icyco-text-muted);
	border-bottom: 2px solid var(--icyco-text-muted);
	transform: rotate(45deg);
	transition: transform .2s ease;
	margin-top: -4px;
	flex: 0 0 12px;
}
.hpcalc__breakdown[open] .hpcalc__breakdown-arrow {
	transform: rotate(-135deg);
	margin-top: 4px;
}
.hpcalc__breakdown-body {
	padding: 0 clamp(1.25rem, 2.5vw, 2rem) clamp(1.5rem, 2.5vw, 2rem);
	border-top: 1px solid var(--icyco-border);
	background: var(--icyco-bg-soft);
}

.hpcalc-scenarios {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.25rem;
	margin-top: 1.5rem;
}
.hpcalc-scenario {
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius);
	padding: 1.5rem 1.75rem;
	box-shadow: var(--icyco-shadow-xs);
}
.hpcalc-scenario__title {
	margin: 0 0 .35rem;
	font-size: var(--icyco-text-lg);
	font-weight: 700;
	color: var(--icyco-text-strong);
	display: flex;
	align-items: center;
	gap: .65rem;
}
.hpcalc-scenario__title::before {
	content: '';
	display: inline-block;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: var(--icyco-text-soft);
	flex: 0 0 12px;
}
.hpcalc-scenario--hp .hpcalc-scenario__title::before {
	background: var(--icyco-blue);
}
.hpcalc-scenario__caption {
	margin: 0 0 1.1rem;
	font-size: var(--icyco-text-xs);
	color: var(--icyco-text-faint);
	letter-spacing: .04em;
	text-transform: uppercase;
	font-weight: 600;
}
.hpcalc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--icyco-text-sm);
}
.hpcalc-table th,
.hpcalc-table td {
	text-align: left;
	padding: .85rem .25rem;
	border-bottom: 1px solid var(--icyco-border);
	vertical-align: top;
}
.hpcalc-table th {
	font-size: 11px;
	letter-spacing: .06em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-text-faint);
}
.hpcalc-table td:nth-child(2),
.hpcalc-table td:nth-child(3),
.hpcalc-table td:nth-child(4),
.hpcalc-table th:nth-child(2),
.hpcalc-table th:nth-child(3),
.hpcalc-table th:nth-child(4) {
	text-align: right;
	font-variant-numeric: tabular-nums;
}
.hpcalc-row-name {
	color: var(--icyco-text);
	font-weight: 600;
}
.hpcalc-row-name small {
	display: block;
	color: var(--icyco-text-faint);
	font-size: 11px;
	font-weight: 500;
	margin-top: .25rem;
}
.hpcalc-total td {
	border-bottom: 0;
	padding-top: 1.1rem;
	font-weight: 700;
	color: var(--icyco-text-strong);
}
.hpcalc-total__label { font-size: var(--icyco-text-md); }
.hpcalc-total__value { font-size: var(--icyco-text-xl); }

.hpcalc-cite-row td { padding: 0; border: 0; }
.hpcalc-line-cite {
	background: var(--icyco-bg-soft);
	border-radius: var(--icyco-radius-xs);
	padding: .4rem .75rem;
	margin: .25rem 0 .5rem;
}
.hpcalc-line-cite summary {
	cursor: pointer;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--icyco-blue);
	list-style: none;
}
.hpcalc-line-cite summary::-webkit-details-marker { display: none; }
.hpcalc-line-cite summary::before { content: '+'; margin-right: .35rem; }
.hpcalc-line-cite[open] summary::before { content: '−'; }
.hpcalc-line-cite summary:hover { color: var(--icyco-blue-dark); }
.hpcalc-line-cite dl {
	margin: .6rem 0 .1rem;
	display: grid;
	grid-template-columns: 130px 1fr;
	gap: .3rem .75rem;
	font-size: var(--icyco-text-sm);
}
.hpcalc-line-cite dt { color: var(--icyco-text-faint); font-size: var(--icyco-text-xs); }
.hpcalc-line-cite dd { margin: 0; font-size: var(--icyco-text-xs); color: var(--icyco-text); }
.hpcalc-line-cite a {
	color: var(--icyco-blue);
	text-decoration: underline;
	text-underline-offset: 2px;
}
.hpcalc-line-cite a:hover { color: var(--icyco-blue-dark); }

/* ============================================================ */
/* Methodology accordion                                        */
/* ============================================================ */
.hpcalc__methodology {
	margin: clamp(1.5rem, 3vw, 2.25rem) auto 0;
	max-width: 1100px;
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius);
	box-shadow: var(--icyco-shadow-xs);
	overflow: hidden;
}
.hpcalc__methodology-summary {
	list-style: none;
	cursor: pointer;
	padding: 1.3rem 1.75rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	font-size: var(--icyco-text-md);
	font-weight: 700;
	color: var(--icyco-text-strong);
	transition: background-color .15s ease;
}
.hpcalc__methodology-summary::-webkit-details-marker { display: none; }
.hpcalc__methodology-summary:hover { background: var(--icyco-bg-soft); }
.hpcalc__methodology-label {
	display: inline-flex;
	align-items: center;
	gap: .75rem;
}
.hpcalc__methodology-label::before {
	content: '';
	width: 4px;
	height: 22px;
	background: var(--icyco-blue);
	border-radius: 2px;
}
.hpcalc__methodology-arrow {
	width: 12px;
	height: 12px;
	border-right: 2px solid var(--icyco-text-muted);
	border-bottom: 2px solid var(--icyco-text-muted);
	transform: rotate(45deg);
	transition: transform .2s ease;
	margin-top: -4px;
	flex: 0 0 12px;
}
.hpcalc__methodology[open] .hpcalc__methodology-arrow {
	transform: rotate(-135deg);
	margin-top: 4px;
}
.hpcalc__methodology-body {
	padding: 0 clamp(1.25rem, 2.5vw, 2rem) clamp(1.5rem, 2.5vw, 2rem);
	border-top: 1px solid var(--icyco-border);
	background: var(--icyco-bg-soft);
}
.hpcalc__method-section { margin-top: 1.75rem; }
.hpcalc__method-section h4 {
	margin: 0 0 .85rem;
	font-size: var(--icyco-text-sm);
	font-weight: 700;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--icyco-blue);
}
.hpcalc__method-section ul {
	margin: 0;
	padding-left: 1.4rem;
	font-size: var(--icyco-text-md);
	color: var(--icyco-text);
	line-height: 1.65;
}
.hpcalc__method-section ul li { margin-bottom: .4rem; }
.hpcalc__method-section ul li a {
	color: var(--icyco-blue);
	text-decoration: underline;
}
.hpcalc__method-section ul li a:hover { color: var(--icyco-blue-dark); }
.hpcalc__formula {
	display: block;
	padding: 1rem 1.25rem;
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius-sm);
	margin: 0 0 .65rem;
	font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-strong);
	line-height: 1.65;
	white-space: pre-wrap;
	overflow-wrap: anywhere;
	overflow-x: auto;
	max-width: 100%;
}

/* Defensive guard: nothing inside the methodology body should ever push the
 * accordion wider than its container — long raw URLs, formulae, or labels
 * fall back to breaking instead of forcing horizontal scroll on the page. */
.hpcalc__methodology-body {
	overflow: hidden;
}
.hpcalc__methodology-body a {
	overflow-wrap: anywhere;
}
.hpcalc__methodology-body ul li {
	overflow-wrap: break-word;
}

/* ---- Dynamic data-sources list inside the methodology accordion ---- */
.hpcalc__sources-intro {
	margin: 0 0 1.1rem;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-muted);
	line-height: 1.55;
}
.hpcalc__sources-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: .65rem;
}

/*
 * Two-column card: meta on the left, link pill on the right.
 * All text columns explicitly allow wrapping; the link uses a short
 * human-readable label so it stays compact and never blows out the row.
 */
.hpcalc__source-card {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: .75rem 1.25rem;
	align-items: start;
	padding: 1rem 1.15rem;
	background: var(--icyco-bg);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius-sm);
}
.hpcalc__source-card--empty {
	grid-template-columns: 1fr;
	color: var(--icyco-text-muted);
	font-style: italic;
}
.hpcalc__source-meta {
	min-width: 0;             /* allow children to shrink */
	display: grid;
	gap: .25rem;
}
.hpcalc__source-cat {
	margin: 0;
	font-size: 11px;
	letter-spacing: .08em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-text-faint);
	line-height: 1.4;
	overflow-wrap: break-word;
}
.hpcalc__source-val {
	margin: 0;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-strong);
	font-weight: 600;
	line-height: 1.5;
	overflow-wrap: break-word;
	word-wrap: break-word;
	min-width: 0;
}
.hpcalc__source-note {
	margin: 0;
	font-size: 12.5px;
	color: var(--icyco-text-muted);
	line-height: 1.55;
	overflow-wrap: break-word;
	word-wrap: break-word;
	min-width: 0;
}
.hpcalc__source-link {
	display: inline-flex;
	align-items: center;
	gap: .35rem;
	font-size: var(--icyco-text-xs);
	color: var(--icyco-blue);
	text-decoration: none;
	font-weight: 600;
	padding: .45rem .85rem;
	background: var(--icyco-blue-tint);
	border-radius: 999px;
	transition: background-color .15s ease, color .15s ease;
	white-space: nowrap;
	flex: 0 0 auto;
	align-self: start;
	max-width: 100%;
}
.hpcalc__source-link:hover,
.hpcalc__source-link:focus-visible {
	background: var(--icyco-blue);
	color: #ffffff;
	outline: none;
}
.hpcalc__source-link-text {
	display: inline-block;
}
.hpcalc__source-link-icon {
	width: 11px;
	height: 11px;
	flex: 0 0 11px;
}
.hpcalc__source-link--inert {
	background: var(--icyco-bg-tint);
	color: var(--icyco-text-faint);
	font-weight: 500;
	cursor: default;
}
.hpcalc__source-link--inert:hover {
	background: var(--icyco-bg-tint);
	color: var(--icyco-text-faint);
}

@media (max-width: 600px) {
	.hpcalc__source-card {
		grid-template-columns: 1fr;
		padding: .9rem 1rem;
	}
	.hpcalc__source-link {
		justify-self: start;
	}
}

/* ============================================================ */
/* Step 3: Heat pump recommended card + advanced picker         */
/* ============================================================ */

/* Visually hide but keep accessible — used on the native select */
.hpcalc__sr-only {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	padding: 0 !important;
	margin: -1px !important;
	overflow: hidden !important;
	clip: rect(0, 0, 0, 0) !important;
	white-space: nowrap !important;
	border: 0 !important;
}

/* Recommended unit card — the calm default Step 3 view */
.hpcalc__hp-recommended {
	background: linear-gradient(180deg, var(--icyco-bg) 0%, var(--icyco-bg-soft) 100%);
	border: 1px solid var(--icyco-border);
	border-left: 4px solid var(--icyco-blue);
	border-radius: var(--icyco-radius);
	padding: 1.5rem 1.75rem;
	box-shadow: var(--icyco-shadow-xs);
	margin-bottom: 1rem;
}
.hpcalc__hp-card-eyebrow {
	display: inline-block;
	font-size: 11px;
	letter-spacing: .1em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-blue);
	background: var(--icyco-blue-tint);
	padding: .25rem .7rem;
	border-radius: 999px;
	margin: 0 0 .85rem;
}
.hpcalc__hp-card-title {
	margin: 0 0 .35rem;
	font-size: var(--icyco-text-xl);
	font-weight: 700;
	color: var(--icyco-text-strong);
	letter-spacing: -0.01em;
	line-height: 1.25;
}
.hpcalc__hp-card-why {
	margin: 0 0 1.25rem;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-muted);
	line-height: 1.55;
	max-width: 56ch;
}
.hpcalc__hp-card-specs {
	display: flex;
	flex-wrap: wrap;
	gap: .65rem 1.5rem;
	margin: 0 0 1rem;
	padding: 0;
}
.hpcalc__hp-card-specs > div {
	display: flex;
	flex-direction: column;
	gap: .15rem;
	min-width: 0;
}
.hpcalc__hp-card-specs dt {
	margin: 0;
	font-size: 11px;
	letter-spacing: .06em;
	text-transform: uppercase;
	font-weight: 700;
	color: var(--icyco-text-faint);
}
.hpcalc__hp-card-specs dd {
	margin: 0;
	font-size: var(--icyco-text-lg);
	font-weight: 700;
	color: var(--icyco-text-strong);
	font-variant-numeric: tabular-nums;
	letter-spacing: -0.005em;
}
.hpcalc__hp-card-caveat {
	margin: 0;
	padding-top: 1rem;
	border-top: 1px solid var(--icyco-border-soft);
	font-size: var(--icyco-text-xs);
	color: var(--icyco-text-faint);
	line-height: 1.5;
}
.hpcalc__hp-recommended--warn {
	border-left-color: #d97706;
}
.hpcalc__hp-recommended--warn .hpcalc__hp-card-eyebrow {
	color: #92400e;
	background: #fef3c7;
}
.hpcalc__hp-recommended--custom {
	border-left-color: var(--icyco-text-soft);
}
.hpcalc__hp-recommended--custom .hpcalc__hp-card-eyebrow {
	color: var(--icyco-text-muted);
	background: var(--icyco-bg-tint);
}

/* Advanced disclosure under recommended card */
.hpcalc__advanced--hp {
	margin-top: 0;
	padding-top: 0;
	border-top: 0;
}
.hpcalc__advanced--hp > summary {
	padding: .85rem 1.1rem;
	background: var(--icyco-bg-soft);
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius-sm);
	color: var(--icyco-blue);
	font-weight: 700;
	font-size: var(--icyco-text-sm);
	text-transform: none;
	letter-spacing: 0;
	transition: background-color .15s ease, border-color .15s ease;
}
.hpcalc__advanced--hp > summary:hover {
	background: var(--icyco-blue-soft);
	border-color: var(--icyco-blue);
}
.hpcalc__advanced--hp[open] > summary {
	background: var(--icyco-blue-soft);
	border-color: var(--icyco-blue);
	border-bottom-left-radius: 0;
	border-bottom-right-radius: 0;
}
.hpcalc__hp-advanced {
	border: 1px solid var(--icyco-border);
	border-top: 0;
	border-radius: 0 0 var(--icyco-radius-sm) var(--icyco-radius-sm);
	padding: 1.5rem;
	background: var(--icyco-bg);
}
.hpcalc__choice-group--compact {
	margin-top: 0;
	padding-top: 0;
	border-top: 0;
}
.hpcalc__choice-group--compact .hpcalc__choice {
	padding: .85rem 1rem;
	border-width: 1px;
}
.hpcalc__choice-group--compact .hpcalc__choice-title {
	font-size: var(--icyco-text-sm);
	font-weight: 600;
}
.hpcalc__choice-group--compact .hpcalc__choice-sub {
	font-size: 12px;
}

/* Scrollable list of HP unit options as radio cards */
.hpcalc__hp-options {
	margin-top: 1.25rem;
	border: 1px solid var(--icyco-border);
	border-radius: var(--icyco-radius-sm);
	background: var(--icyco-bg);
	max-height: 360px;
	overflow-y: auto;
	overflow-x: hidden;
}
.hpcalc__hp-option {
	display: block;
	border-bottom: 1px solid var(--icyco-border-soft);
	cursor: pointer;
	transition: background-color .12s ease;
	position: relative;
}
.hpcalc__hp-option:last-child {
	border-bottom: 0;
}
.hpcalc__hp-option:hover {
	background: var(--icyco-blue-soft);
}
.hpcalc__hp-option input[type="radio"] {
	position: absolute;
	opacity: 0;
	pointer-events: none;
	left: 0;
	top: 0;
}
.hpcalc__hp-option-body {
	display: block;
	padding: .9rem 1.1rem .9rem 2.6rem;
	position: relative;
}
.hpcalc__hp-option-body::before {
	/* Custom radio indicator */
	content: '';
	position: absolute;
	left: 1rem;
	top: 50%;
	transform: translateY(-50%);
	width: 18px;
	height: 18px;
	border: 2px solid var(--icyco-border-strong);
	border-radius: 50%;
	background: var(--icyco-bg);
	transition: border-color .15s ease, background-color .15s ease;
}
.hpcalc__hp-option input[type="radio"]:checked + .hpcalc__hp-option-body::before {
	border-color: var(--icyco-blue);
	background: var(--icyco-blue);
	box-shadow: inset 0 0 0 3px var(--icyco-bg);
}
.hpcalc__hp-option input[type="radio"]:focus-visible + .hpcalc__hp-option-body::before {
	outline: 2px solid var(--icyco-blue);
	outline-offset: 2px;
}
.hpcalc__hp-option.is-selected,
.hpcalc__hp-option:has(input:checked) {
	background: var(--icyco-blue-tint);
}
.hpcalc__hp-option-title {
	display: flex;
	align-items: baseline;
	gap: .65rem;
	font-size: var(--icyco-text-md);
	font-weight: 700;
	color: var(--icyco-text-strong);
	line-height: 1.3;
	margin-bottom: .15rem;
	flex-wrap: wrap;
}
.hpcalc__hp-option-title small {
	font-size: 11px;
	letter-spacing: .06em;
	text-transform: uppercase;
	font-weight: 700;
	padding: .15rem .55rem;
	border-radius: 999px;
	background: var(--icyco-bg-tint);
	color: var(--icyco-text-muted);
	flex: 0 0 auto;
}
.hpcalc__hp-option--fit small {
	background: var(--icyco-blue-tint);
	color: var(--icyco-blue);
}
.hpcalc__hp-option--over small {
	background: #fef3c7;
	color: #92400e;
}
.hpcalc__hp-option--under small {
	background: var(--icyco-red-tint);
	color: var(--icyco-red-dark);
}
.hpcalc__hp-option-specs {
	display: block;
	font-size: var(--icyco-text-sm);
	color: var(--icyco-text-muted);
	font-variant-numeric: tabular-nums;
	letter-spacing: 0;
}

.hpcalc__hp-custom-input {
	margin-top: 1.25rem;
}

/* Sizing hint under HP picker (legacy — kept for any other call sites) */
.hpcalc__hint--sizing {
	margin-top: .75rem;
	padding: .85rem 1.1rem;
	background: var(--icyco-blue-soft);
	border: 1px solid var(--icyco-blue-tint);
	border-radius: var(--icyco-radius-sm);
	color: var(--icyco-blue-deep);
	font-size: var(--icyco-text-sm);
	line-height: 1.55;
}
.hpcalc__hint--sizing strong { color: var(--icyco-blue-dark); }

/* ============================================================ */
/* Responsive                                                   */
/* ============================================================ */
@media (max-width: 900px) {
	.hpcalc-stats { grid-template-columns: 1fr 1fr; }
	.hpcalc-scenarios { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
	.hpcalc__section { padding: 2rem 1rem 2.5rem; }
	.hpcalc__step-card { padding: 1.5rem 1.3rem; }
	.hpcalc__field-grid { grid-template-columns: 1fr; gap: 1.1rem; }
	.hpcalc__step-title { font-size: var(--icyco-text-xl); }
	.hpcalc__choice { padding: 1rem 1.1rem; }
	.hpcalc-savings { padding: 1.75rem 1.5rem 1.6rem; }
	.hpcalc-savings__value { font-size: 56px; }
	.hpcalc-savings__co2-value { font-size: var(--icyco-text-xl); }
	.hpcalc-stats { grid-template-columns: 1fr 1fr; gap: .65rem; }
	.hpcalc-compare__bar { grid-template-columns: 78px 1fr 80px; gap: .65rem; }
	.hpcalc-scenario { padding: 1.25rem 1.4rem; }
	.hpcalc__step-nav { flex-direction: column-reverse; align-items: stretch; gap: .75rem; }
	.hpcalc__step-nav--split { flex-direction: column-reverse; }
	.icyco-heatpump-calculator .hpcalc__submit {
		width: 100%;
		font-size: var(--icyco-text-md);
		min-height: 54px;
	}
	.icyco-heatpump-calculator .hpcalc__back { width: 100%; justify-content: center; }
	.hpcalc__reassure { justify-content: center; }
	.hpcalc__custom-tariff th,
	.hpcalc__custom-tariff td { padding: .45rem .35rem; font-size: var(--icyco-text-xs); }
	.hpcalc-line-cite dl { grid-template-columns: 1fr; gap: .15rem; }
	.hpcalc__breakdown-summary,
	.hpcalc__methodology-summary { padding: 1.1rem 1.3rem; font-size: var(--icyco-text-base); }
}

@media (max-width: 480px) {
	.hpcalc__hero-title { font-size: 26px; }
	.hpcalc-savings__value { font-size: 48px; }
	.hpcalc-stats { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
	.icyco-heatpump-calculator *,
	.icyco-heatpump-calculator *::before,
	.icyco-heatpump-calculator *::after {
		transition: none !important;
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
	}
}