/* ============================================================
   50·30·20 Rule — style.css
   Page-specific styles only · Requires root.css
   ============================================================ */

/* ── HERO ────────────────────────────────────────────────── */
.hero {
	position: relative;
	overflow: hidden;
	min-height: min(90vh, 780px);
	display: flex;
	align-items: center;
	padding-block: var(--space-20);
}

.hero-bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
	overflow: hidden;
}

.hero-grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(var(--border-light) 1px, transparent 1px),
		linear-gradient(90deg, var(--border-light) 1px, transparent 1px);
	background-size: 60px 60px;
	opacity: .5;
	mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-blob {
	position: absolute;
	border-radius: 50%;
	filter: blur(80px);
	opacity: .18;
	animation: blobFloat 12s ease-in-out infinite alternate;
}

[data-theme="dark"] .hero-blob {
	opacity: .1;
}

.blob-1 {
	width: 560px;
	height: 560px;
	background: var(--needs);
	top: -200px;
	left: -80px;
	animation-delay: 0s;
}

.blob-2 {
	width: 380px;
	height: 380px;
	background: var(--wants);
	top: 40px;
	right: -80px;
	animation-delay: -4s;
}

.blob-3 {
	width: 320px;
	height: 320px;
	background: var(--savings);
	bottom: -60px;
	left: 32%;
	animation-delay: -8s;
}

@keyframes blobFloat {
	0% {
		transform: translate(0, 0) scale(1);
	}

	100% {
		transform: translate(20px, 30px) scale(1.06);
	}
}

.hero-content {
	position: relative;
	z-index: 1;
}

.breadcrumb {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	font-size: var(--size-xs);
	font-weight: 500;
	color: var(--text-ter);
	margin-bottom: var(--space-5);
	transition: color var(--dur-fast);
}

.breadcrumb:hover {
	color: var(--text-sec);
}

.hero-badge {
	display: inline-flex;
	align-items: center;
	padding: 0.35rem 0.875rem;
	border-radius: var(--radius-full);
	background: var(--accent-light);
	color: var(--accent);
	font-size: var(--size-xs);
	font-weight: 600;
	letter-spacing: .08em;
	text-transform: uppercase;
	margin-bottom: var(--space-6);
	border: 1px solid hsl(var(--needs-hue) 80% 85%);
}

[data-theme="dark"] .hero-badge {
	border-color: hsl(var(--needs-hue) 40% 28%);
}

.hero-heading {
	font-family: var(--font-serif);
	font-size: clamp(var(--size-3xl), 6vw, var(--size-5xl));
	font-weight: 400;
	line-height: 1.08;
	letter-spacing: -.03em;
	color: var(--text-primary);
	max-width: 14ch;
	margin-bottom: var(--space-5);
}

.hero-heading em {
	font-style: italic;
	color: var(--accent);
}

.hero-tagline {
	font-size: var(--size-lg);
	font-weight: 500;
	color: var(--text-sec);
	margin-bottom: var(--space-4);
}

.hero-desc {
	font-size: var(--size-base);
	color: var(--text-sec);
	max-width: 50ch;
	line-height: 1.75;
	margin-bottom: var(--space-8);
}

.hero-desc strong {
	color: var(--text-primary);
	font-weight: 500;
}

.hero-ctas {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-3);
	margin-bottom: var(--space-12);
}

.hero-stat-row {
	display: flex;
	align-items: center;
	gap: var(--space-6);
}

.hero-stat {
	display: flex;
	flex-direction: column;
}

.stat-num {
	font-size: var(--size-xl);
	font-weight: 700;
	letter-spacing: -.03em;
	color: var(--text-primary);
	line-height: 1;
}

.stat-label {
	font-size: var(--size-xs);
	color: var(--text-ter);
	font-weight: 500;
	margin-top: var(--space-1);
}

.stat-divider {
	width: 1px;
	height: 32px;
	background: var(--border);
	flex-shrink: 0;
}

/* ── FORMULA EXPLAINER ───────────────────────────────────── */
.formula-row {
	position: relative;
	z-index: 30;
	display: flex;
	align-items: flex-start;
	justify-content: center;
	gap: var(--space-4);
	margin-bottom: var(--space-12);
	flex-wrap: wrap;
}

.formula-separator {
	font-family: var(--font-serif);
	font-size: clamp(3rem, 6vw, 5rem);
	color: var(--border);
	line-height: 1;
	margin-top: .72rem;
	font-weight: 400;
	user-select: none;
}

.formula-block {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-8) var(--space-6);
	border-radius: var(--radius-xl);
	border: 1.5px solid var(--border);
	background: var(--bg-card);
	box-shadow: var(--shadow-card);
	min-width: 160px;
	cursor: default;
	transition:
		transform var(--dur-base) var(--ease-out),
		box-shadow var(--dur-base) var(--ease-out),
		border-color var(--dur-base),
		background var(--dur-slow) var(--ease-io);
	outline-offset: 3px;
}

.formula-block:hover,
.formula-block:focus-visible {
	transform: translateY(-6px);
	box-shadow: var(--shadow-lg);
}

.formula-block[data-open] {
	z-index: 60;
}

.formula-block.needs:hover,
.formula-block.needs:focus-visible {
	border-color: var(--needs);
	background: var(--needs-light);
}

.formula-block.wants:hover,
.formula-block.wants:focus-visible {
	border-color: var(--wants);
	background: var(--wants-light);
}

.formula-block.savings:hover,
.formula-block.savings:focus-visible {
	border-color: var(--savings);
	background: var(--savings-light);
}

.formula-number {
	font-family: var(--font-serif);
	font-size: clamp(3rem, 6vw, 4.5rem);
	font-weight: 400;
	line-height: 1;
	letter-spacing: -.04em;
	transition: color var(--dur-base);
}

.needs.formula-block .formula-number,
.needs .formula-number {
	color: var(--needs);
}

.wants.formula-block .formula-number,
.wants .formula-number {
	color: var(--wants);
}

.savings.formula-block .formula-number,
.savings .formula-number {
	color: var(--savings);
}

.pct {
	font-size: 40%;
	vertical-align: super;
	font-family: var(--font-sans);
	font-weight: 600;
	letter-spacing: 0;
}

.formula-label {
	font-size: var(--size-sm);
	font-weight: 600;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--text-sec);
}

.formula-bar {
	width: 100%;
	height: 4px;
	border-radius: var(--radius-full);
	background: var(--border);
	overflow: hidden;
}

.formula-bar-fill {
	height: 100%;
	width: 100%;
	border-radius: var(--radius-full);
}

.needs .formula-bar-fill {
	background: var(--needs);
}

.wants .formula-bar-fill {
	background: var(--wants);
}

.savings .formula-bar-fill {
	background: var(--savings);
}

/* ── TOOLTIP ─────────────────────────────────────────────── */
.formula-tooltip {
	position: absolute;
	bottom: calc(100% + 14px);
	left: 50%;
	transform: translateX(-50%) translateY(8px);
	width: 240px;
	padding: var(--space-4) var(--space-5);
	border-radius: var(--radius-lg);
	background: var(--text-primary);
	color: var(--bg);
	font-size: var(--size-xs);
	line-height: 1.65;
	pointer-events: none;
	opacity: 0;
	transition:
		opacity var(--dur-base) var(--ease-out),
		transform var(--dur-base) var(--ease-out);
	z-index: 120;
	box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
}

[data-theme="dark"] .formula-tooltip {
	background: var(--bg-card-alt);
	color: var(--text-primary);
	border: 1px solid var(--border);
}

.formula-tooltip::after {
	content: '';
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%);
	border: 6px solid transparent;
	border-top-color: var(--text-primary);
}

[data-theme="dark"] .formula-tooltip::after {
	border-top-color: var(--bg-card-alt);
}

.formula-tooltip strong {
	display: block;
	font-size: var(--size-sm);
	font-weight: 600;
	margin-bottom: var(--space-2);
}

.formula-tooltip p {
	opacity: .8;
}

.tooltip-icon {
	display: block;
	font-size: 1.25rem;
	margin-bottom: var(--space-2);
}

.formula-block[data-open] .formula-tooltip {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

@media (hover: hover) and (pointer: fine) {
	.formula-block:hover .formula-tooltip,
	.formula-block:focus-visible .formula-tooltip {
		opacity: 1;
		transform: translateX(-50%) translateY(0);
	}
}

/* ── SPLIT BAR ───────────────────────────────────────────── */
.split-bar-wrapper {
	position: relative;
	z-index: 10;
	margin-top: var(--space-4);
}

.split-bar {
	display: flex;
	height: 48px;
	border-radius: var(--radius-md);
	overflow: hidden;
	border: 1.5px solid var(--border);
	box-shadow: var(--shadow-sm);
}

.split-segment {
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: var(--size-xs);
	font-weight: 700;
	letter-spacing: .04em;
	color: #fff;
}

.needs-seg {
	background: var(--needs);
}

.wants-seg {
	background: var(--wants);
}

.savings-seg {
	background: var(--savings);
}

.split-labels {
	display: flex;
	margin-top: var(--space-3);
}

.split-labels span {
	font-size: var(--size-xs);
	font-weight: 500;
	color: var(--text-ter);
}

.needs-label {
	width: 50%;
}

.wants-label {
	width: 30%;
	text-align: center;
}

.savings-label {
	width: 20%;
	text-align: right;
}

/* ── CALCULATOR CARD ─────────────────────────────────────── */
.calc-card {
	background: var(--bg-card);
	border: 1.5px solid var(--border);
	border-radius: var(--radius-xl);
	padding: var(--space-8);
	box-shadow: var(--shadow-md);
	margin-bottom: var(--space-8);
	transition: background var(--dur-slow), border-color var(--dur-slow);
}

.calc-input-row {
	display: flex;
	gap: var(--space-3);
	flex-wrap: wrap;
	align-items: stretch;
}

.currency-wrap {
	position: relative;
	display: flex;
	align-items: center;
	flex-shrink: 0;
}

.currency-select {
	appearance: none;
	-webkit-appearance: none;
	padding: 0 2.25rem 0 var(--space-4);
	height: 52px;
	border: 1.5px solid var(--border);
	border-radius: var(--radius-lg);
	background: var(--bg-card-alt);
	color: var(--text-primary);
	font-size: var(--size-sm);
	font-weight: 500;
	cursor: pointer;
	min-width: 110px;
	transition: border-color var(--dur-base), box-shadow var(--dur-base);
}

.currency-select:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-light);
}

.select-arrow {
	position: absolute;
	right: var(--space-3);
	color: var(--text-sec);
	pointer-events: none;
}

.amount-wrap {
	position: relative;
	flex: 1;
	min-width: 180px;
	display: flex;
	align-items: center;
}

.currency-prefix {
	position: absolute;
	left: var(--space-4);
	font-size: var(--size-md);
	font-weight: 500;
	color: var(--text-sec);
	pointer-events: none;
	user-select: none;
	z-index: 1;
}

.income-input {
	width: 100%;
	height: 52px;
	padding: 0 var(--space-4) 0 var(--space-8);
	border: 1.5px solid var(--border);
	border-radius: var(--radius-lg);
	background: var(--bg-card-alt);
	color: var(--text-primary);
	font-size: var(--size-md);
	font-weight: 500;
	transition: border-color var(--dur-base), box-shadow var(--dur-base), background var(--dur-slow);
}

.income-input::placeholder {
	color: var(--text-ter);
	font-weight: 400;
}

.income-input:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-light);
	background: var(--bg-card);
}

.income-input::-webkit-outer-spin-button,
.income-input::-webkit-inner-spin-button {
	-webkit-appearance: none;
	margin: 0;
}

.income-input[type=number] {
	-moz-appearance: textfield;
}

.calc-btn {
	height: 52px;
	padding-inline: var(--space-8);
}

.presets {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	flex-wrap: wrap;
	margin-top: var(--space-5);
}

.preset-label {
	font-size: var(--size-xs);
	color: var(--text-ter);
	font-weight: 500;
	margin-right: var(--space-1);
}

.preset-chip {
	padding: 0.3rem 0.875rem;
	border-radius: var(--radius-full);
	border: 1.5px solid var(--border);
	background: var(--bg-card-alt);
	color: var(--text-sec);
	font-size: var(--size-xs);
	font-weight: 600;
	transition: all var(--dur-base) var(--ease-out);
}

.preset-chip:hover {
	border-color: var(--accent);
	color: var(--accent);
	background: var(--accent-light);
	transform: scale(1.04);
}

.preset-chip.active {
	background: var(--accent);
	border-color: var(--accent);
	color: #fff;
}

/* ── RESULTS ─────────────────────────────────────────────── */
.results-summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: var(--space-3);
	margin-bottom: var(--space-6);
	padding-bottom: var(--space-5);
	border-bottom: 1px solid var(--border-light);
}

.results-summary[hidden] {
	display: none;
}

.summary-text {
	font-size: var(--size-md);
	font-weight: 600;
	color: var(--text-primary);
}

.results-actions {
	display: flex;
	gap: var(--space-2);
}

.result-cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: var(--space-5);
	margin-bottom: var(--space-8);
}

.result-card {
	background: var(--bg-card);
	border: 1.5px solid var(--border);
	border-radius: var(--radius-xl);
	padding: var(--space-6);
	box-shadow: var(--shadow-card);
	transition:
		transform var(--dur-base) var(--ease-out),
		box-shadow var(--dur-base) var(--ease-out),
		background var(--dur-slow),
		border-color var(--dur-slow);
}

.result-card[hidden] {
	display: none;
}

.result-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
}

.needs-card {
	border-top: 3px solid var(--needs);
}

.wants-card {
	border-top: 3px solid var(--wants);
}

.savings-card {
	border-top: 3px solid var(--savings);
}

.card-header {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	margin-bottom: var(--space-5);
}

.card-icon {
	font-size: 1.5rem;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	border-radius: var(--radius-md);
	flex-shrink: 0;
}

.needs-icon {
	background: var(--needs-light);
}

.wants-icon {
	background: var(--wants-light);
}

.savings-icon {
	background: var(--savings-light);
}

.card-meta {
	display: flex;
	flex-direction: column;
	flex: 1;
}

.card-pct {
	font-size: var(--size-xs);
	font-weight: 600;
	color: var(--text-ter);
	letter-spacing: .06em;
}

.card-title {
	font-size: var(--size-base);
	font-weight: 700;
	color: var(--text-primary);
	letter-spacing: -.01em;
}

.card-badge {
	font-size: 0.65rem;
	font-weight: 600;
	letter-spacing: .08em;
	text-transform: uppercase;
	padding: 0.2rem 0.6rem;
	border-radius: var(--radius-full);
}

.needs-badge {
	background: var(--needs-mid);
	color: var(--needs-dark);
}

.wants-badge {
	background: var(--wants-mid);
	color: var(--wants-dark);
}

.savings-badge {
	background: var(--savings-mid);
	color: var(--savings-dark);
}

.card-amount {
	font-family: var(--font-serif);
	font-size: clamp(var(--size-2xl), 4vw, var(--size-3xl));
	font-weight: 400;
	letter-spacing: -.04em;
	line-height: 1;
	margin-bottom: var(--space-3);
}

.needs-card .card-amount {
	color: var(--needs);
}

.wants-card .card-amount {
	color: var(--wants);
}

.savings-card .card-amount {
	color: var(--savings);
}

.card-desc {
	font-size: var(--size-xs);
	color: var(--text-ter);
	margin-bottom: var(--space-5);
	line-height: 1.5;
}

.progress-track {
	width: 100%;
	height: 6px;
	border-radius: var(--radius-full);
	background: var(--border);
	overflow: hidden;
	margin-bottom: var(--space-2);
}

.progress-fill {
	height: 100%;
	border-radius: var(--radius-full);
	width: 0%;
	transition: width 1s var(--ease-out);
}

.needs-fill {
	background: var(--needs);
}

.wants-fill {
	background: var(--wants);
}

.savings-fill {
	background: var(--savings);
}

.progress-label {
	display: flex;
	justify-content: space-between;
	font-size: var(--size-xs);
	color: var(--text-ter);
}

/* ── DONUT ───────────────────────────────────────────────── */
.donut-wrapper {
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	width: fit-content;
	margin-inline: auto;
	padding: var(--space-8);
}

.donut-wrapper[hidden] {
	display: none;
}

.donut-center {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	text-align: center;
	pointer-events: none;
}

.donut-label {
	display: block;
	font-size: var(--size-xs);
	color: var(--text-ter);
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: .08em;
}

.donut-total {
	display: block;
	font-family: var(--font-serif);
	font-size: var(--size-xl);
	font-weight: 400;
	color: var(--text-primary);
	letter-spacing: -.03em;
	margin-top: 2px;
}

/* ── RESULT REVEAL ANIMATION ─────────────────────────────── */
.reveal-result {
	animation: cardReveal 700ms var(--ease-out) forwards;
	opacity: 0;
	transform: translateY(20px);
}

@keyframes cardReveal {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.reveal-result:nth-child(1) {
	animation-delay: 0ms;
}

.reveal-result:nth-child(2) {
	animation-delay: 80ms;
}

.reveal-result:nth-child(3) {
	animation-delay: 160ms;
}

.reveal-result:nth-child(4) {
	animation-delay: 240ms;
}

/* Hero reveal stagger */
.breadcrumb.visible {
	transition-delay: 0ms;
}

.hero-badge.visible {
	transition-delay: 60ms;
}

.hero-heading.visible {
	transition-delay: 120ms;
}

.hero-tagline.visible {
	transition-delay: 180ms;
}

.hero-desc.visible {
	transition-delay: 240ms;
}

.hero-ctas.visible {
	transition-delay: 300ms;
}

.hero-stat-row.visible {
	transition-delay: 360ms;
}

/* ── TIPS ────────────────────────────────────────────────── */
.tips-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: var(--space-5);
}

.tip-card {
	padding: var(--space-6);
}

.tip-icon {
	font-size: 1.75rem;
	margin-bottom: var(--space-4);
}

.tip-card h3 {
	font-size: var(--size-base);
	font-weight: 700;
	letter-spacing: -.01em;
	margin-bottom: var(--space-3);
	color: var(--text-primary);
}

.tip-card p {
	font-size: var(--size-sm);
	color: var(--text-sec);
	line-height: 1.65;
}

.example-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: var(--space-4);
}

.example-card {
	padding: var(--space-6);
}

.example-card h3 {
	font-size: var(--size-md);
	margin-bottom: var(--space-3);
}

.example-card p,
.example-card li {
	font-size: var(--size-sm);
	line-height: 1.7;
	color: var(--text-sec);
}

.example-card ul {
	list-style: disc;
	padding-left: var(--space-5);
	display: grid;
	gap: .4rem;
}

.example-math {
	display: grid;
	gap: .55rem;
}

.example-math li {
	list-style: none;
	padding: .6rem .8rem;
	border-radius: var(--radius-md);
	background: var(--bg-card-alt);
	border: 1px solid var(--border);
	font-weight: 500;
	color: var(--text-primary);
}

.chart-card {
	padding: var(--space-6);
}

.chart-wrap {
	position: relative;
}

.web-chart {
	display: grid;
	gap: var(--space-4);
}

.web-chart-row {
	display: grid;
	grid-template-columns: 140px 1fr;
	gap: var(--space-3);
	align-items: center;
}

.web-chart-label {
	font-size: var(--size-xs);
	font-weight: 600;
	color: var(--text-sec);
}

.web-chart-track {
	position: relative;
	height: 30px;
	border-radius: var(--radius-full);
	background: var(--bg-card-alt);
	border: 1px solid var(--border);
	overflow: hidden;
}

.web-chart-fill {
	height: 100%;
	width: 0%;
	border-radius: var(--radius-full);
	transition: width .45s var(--ease-out);
}

.web-chart-value {
	position: absolute;
	left: .75rem;
	top: 50%;
	transform: translateY(-50%);
	font-size: var(--size-xs);
	font-weight: 700;
	color: var(--text-primary);
}

.chart-note {
	font-size: var(--size-xs);
	color: var(--text-ter);
	margin-top: var(--space-3);
}

.disclaimer-card {
	padding: var(--space-5);
	border: 1px solid var(--border);
	background: var(--bg-card-alt);
	border-radius: var(--radius-xl);
}

.disclaimer-card p {
	font-size: var(--size-sm);
	line-height: 1.7;
	color: var(--text-sec);
}

/* ── PRINT (page-specific) ───────────────────────────────── */
@media print {

	.hero-bg,
	.hero-ctas,
	.hero-stat-row,
	.presets,
	.calc-btn,
	.results-actions,
	.tips-section {
		display: none !important;
	}

	.result-card[hidden] {
		display: block !important;
	}

	.results-summary[hidden] {
		display: flex !important;
	}

	.result-card {
		break-inside: avoid;
		box-shadow: none;
		border: 1px solid #ddd;
	}
}

/* ── RESPONSIVE (page-specific) ──────────────────────────── */
@media (max-width: 768px) {
	.hero {
		min-height: 85vh;
	}

	.hero-heading {
		font-size: clamp(var(--size-2xl), 9vw, var(--size-3xl));
	}

	.hero-stat-row {
		gap: var(--space-4);
	}

	.formula-row {
		flex-direction: column;
		align-items: center;
		gap: var(--space-3);
	}

	.formula-separator {
		display: none;
	}

	.formula-block {
		width: 100%;
		max-width: 340px;
		flex-direction: row;
		padding: var(--space-5);
	}

	.formula-number {
		font-size: var(--size-3xl);
	}

	/* Tooltip flips below on mobile */
	.formula-tooltip {
		bottom: auto;
		top: calc(100% + 10px);
		width: min(300px, 92vw);
		transform: translateX(-50%) translateY(-8px);
	}

	.formula-tooltip::after {
		top: auto;
		bottom: 100%;
		border-top-color: transparent;
		border-bottom-color: var(--text-primary);
	}

	[data-theme="dark"] .formula-tooltip::after {
		border-bottom-color: var(--bg-card-alt);
	}

	.formula-block[data-open] .formula-tooltip {
		transform: translateX(-50%) translateY(0);
	}

	.calc-input-row {
		flex-direction: column;
	}

	.currency-wrap,
	.amount-wrap,
	.calc-btn {
		width: 100%;
	}

	.calc-btn {
		height: 52px;
	}

	.split-labels {
		justify-content: space-between;
	}

	.example-grid {
		grid-template-columns: 1fr;
	}

	.web-chart-row {
		grid-template-columns: 1fr;
	}

	.needs-label,
	.wants-label,
	.savings-label {
		width: auto;
		text-align: left;
	}
}