.ert-shell {
	--ert-primary: var(--color-primary, #009992);
	--ert-accent: var(--color-accent, #e40041);
	--ert-text: var(--color-text, #111415);
	--ert-muted: var(--color-text-muted, #4b5053);
	--ert-bg: var(--color-bg, #ffffff);
	--ert-soft: var(--color-bg-soft, #f4f7f7);
	--ert-button-text: #ffffff;
	--ert-radius: var(--radius-md, 16px);
	--ert-shadow: var(--shadow-sm, 0 8px 20px rgba(0, 0, 0, 0.08));
	color: var(--ert-text);
	background: var(--ert-bg);
	border: 1px solid rgba(0, 0, 0, 0.08);
	border-radius: var(--ert-radius);
	box-shadow: var(--ert-shadow);
	padding: clamp(22px, 4vw, 36px);
}

.ert-shell * {
	box-sizing: border-box;
}

.ert-head {
	margin-bottom: 26px;
}

.ert-kicker {
	display: inline-flex;
	margin-bottom: 10px;
	padding: 4px 10px;
	background: #000000;
	color: #ffffff;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.ert-head h2,
.ert-step h3 {
	margin: 0 0 10px;
	font-family: var(--ert-heading-font, "Staatliches", sans-serif);
	font-weight: 400;
	line-height: 1.05;
}

.ert-head h2 {
	font-size: clamp(1.8rem, 4vw, 3rem);
}

.ert-head p,
.ert-step p {
	max-width: 68ch;
	margin: 0;
	color: var(--ert-muted);
}

.ert-form {
	display: grid;
	gap: 24px;
}

.ert-hp {
	position: absolute;
	left: -10000px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.ert-progress {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 8px;
}

.ert-progress span {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 38px;
	padding: 8px 10px;
	background: var(--ert-soft);
	color: var(--ert-muted);
	border: 1px solid rgba(0, 0, 0, 0.08);
	font-size: 0.82rem;
	font-weight: 700;
	text-align: center;
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

.ert-progress span.is-active {
	background: var(--ert-primary);
	color: #ffffff;
	border-color: var(--ert-primary);
}

.ert-step {
	display: none;
	gap: 18px;
}

.ert-step.is-active {
	display: grid;
}

.ert-step h3 {
	font-size: clamp(1.45rem, 3vw, 2.1rem);
}

.ert-choice-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
}

.ert-choice {
	position: relative;
	display: flex;
	align-items: center;
	gap: 12px;
	min-height: 58px;
	padding: 14px 16px;
	background: var(--ert-soft);
	border: 1px solid rgba(0, 0, 0, 0.1);
	border-radius: calc(var(--ert-radius) - 6px);
	cursor: pointer;
	transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.ert-choice:hover {
	transform: translateY(-1px);
	border-color: color-mix(in srgb, var(--ert-primary) 55%, #000000 0%);
}

.ert-choice input {
	width: 18px;
	height: 18px;
	accent-color: var(--ert-primary);
}

.ert-choice span {
	font-weight: 700;
}

.ert-fields {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 16px;
}

.ert-fields label {
	display: grid;
	gap: 7px;
}

.ert-fields span,
.ert-privacy span {
	font-weight: 700;
}

.ert-fields input,
.ert-fields select,
.ert-fields textarea {
	width: 100%;
	min-height: 46px;
	border: 1px solid rgba(0, 0, 0, 0.16);
	border-radius: 8px;
	background: #ffffff;
	color: var(--ert-text);
	font: inherit;
	padding: 10px 12px;
}

.ert-fields textarea {
	min-height: 132px;
	resize: vertical;
}

.ert-fields input:focus,
.ert-fields select:focus,
.ert-fields textarea:focus {
	outline: 3px solid color-mix(in srgb, var(--ert-primary) 20%, transparent);
	border-color: var(--ert-primary);
}

.ert-field-wide {
	grid-column: 1 / -1;
}

.ert-privacy {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	margin-top: 4px;
	padding: 16px;
	background: var(--ert-soft);
	border-radius: 8px;
}

.ert-privacy input {
	margin-top: 4px;
	accent-color: var(--ert-primary);
}

.ert-privacy a {
	color: var(--ert-primary);
	text-decoration: underline;
	text-decoration-thickness: 2px;
	text-underline-offset: 3px;
}

.ert-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: space-between;
}

.ert-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 46px;
	padding: 12px 18px;
	border: 0;
	border-radius: 0;
	background: var(--ert-primary);
	color: var(--ert-button-text);
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	cursor: pointer;
	box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
	transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.ert-button:hover {
	transform: translateY(-1px);
	box-shadow: 0 14px 28px rgba(0, 0, 0, 0.16);
}

.ert-button-secondary {
	background: #ffffff;
	color: var(--ert-text);
	border: 1px solid rgba(0, 0, 0, 0.14);
	box-shadow: none;
}

.ert-button[data-ert-submit] {
	background: var(--ert-accent);
}

.ert-button[disabled] {
	cursor: wait;
	opacity: 0.72;
	transform: none;
}

.ert-status {
	display: none;
	padding: 14px 16px;
	border-radius: 8px;
	background: var(--ert-soft);
	color: var(--ert-text);
	font-weight: 700;
}

.ert-status.is-visible {
	display: block;
}

.ert-status.is-error {
	background: #fff1f3;
	color: #9b1230;
}

.ert-status.is-success {
	background: #ecfbf6;
	color: #12664f;
}

@media (max-width: 760px) {
	.ert-progress,
	.ert-choice-grid,
	.ert-fields {
		grid-template-columns: 1fr;
	}

	.ert-progress span {
		justify-content: flex-start;
	}

	.ert-actions {
		display: grid;
		grid-template-columns: 1fr;
	}

	.ert-button {
		width: 100%;
	}
}