.diyai-hcc {
	--diyai-hcc-ink: #17202a;
	--diyai-hcc-muted: #5f6c7b;
	--diyai-hcc-line: #d8e0e8;
	--diyai-hcc-panel: #ffffff;
	--diyai-hcc-soft: #f4f7fa;
	--diyai-hcc-soft-2: #eef6f2;
	--diyai-hcc-accent: #126a72;
	--diyai-hcc-accent-dark: #0b4c52;
	--diyai-hcc-green: #0a6d45;
	--diyai-hcc-warn: #8a4b00;
	--diyai-hcc-error: #9b1c31;
	color: var(--diyai-hcc-ink);
	font-size: 17px;
	line-height: 1.65;
	max-width: 1120px;
	margin: 0 auto;
}

.diyai-hcc * {
	box-sizing: border-box;
}

.diyai-hcc__hero,
.diyai-hcc__panel,
.diyai-hcc__helper {
	background: var(--diyai-hcc-panel);
	border: 1px solid var(--diyai-hcc-line);
	border-radius: 8px;
}

.diyai-hcc__hero {
	align-items: stretch;
	display: grid;
	gap: clamp(22px, 4vw, 44px);
	grid-template-columns: minmax(0, 1fr) minmax(250px, 340px);
	padding: clamp(28px, 5vw, 56px);
	margin-bottom: 24px;
}

.diyai-hcc__eyebrow {
	color: var(--diyai-hcc-accent);
	font-size: 0.82rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	margin: 0 0 8px;
	text-transform: uppercase;
}

.diyai-hcc h1,
.diyai-hcc h2,
.diyai-hcc h3 {
	line-height: 1.2;
	letter-spacing: 0;
	margin: 0 0 14px;
}

.diyai-hcc h1 {
	font-size: clamp(2.2rem, 4vw, 3.7rem);
	max-width: 760px;
}

.diyai-hcc__hero-copy p:not(.diyai-hcc__eyebrow) {
	font-size: 1.08rem;
	max-width: 720px;
}

.diyai-hcc__hero-card {
	background: var(--diyai-hcc-soft-2);
	border: 1px solid #cfe5d9;
	border-radius: 8px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 22px;
}

.diyai-hcc__hero-card strong {
	color: var(--diyai-hcc-green);
	display: block;
	font-size: 1.05rem;
	margin-bottom: 10px;
}

.diyai-hcc__hero-card ol {
	margin: 0;
	padding-left: 20px;
}

.diyai-hcc__hero-card li + li {
	margin-top: 8px;
}

.diyai-hcc p {
	margin: 0 0 16px;
}

.diyai-hcc__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 22px;
}

.diyai-hcc__button {
	align-items: center;
	background: var(--diyai-hcc-accent);
	border: 1px solid var(--diyai-hcc-accent);
	border-radius: 6px;
	color: #fff;
	cursor: pointer;
	display: inline-flex;
	font: inherit;
	font-weight: 700;
	min-height: 44px;
	padding: 10px 16px;
	text-decoration: none;
}

.diyai-hcc__button:hover,
.diyai-hcc__button:focus {
	background: var(--diyai-hcc-accent-dark);
	color: #fff;
}

.diyai-hcc__button--secondary {
	background: #fff;
	color: var(--diyai-hcc-accent);
}

.diyai-hcc__button--secondary:hover,
.diyai-hcc__button--secondary:focus {
	background: var(--diyai-hcc-soft);
	color: var(--diyai-hcc-accent-dark);
}

.diyai-hcc__button--small {
	font-size: 0.95rem;
	min-height: 38px;
	padding: 7px 12px;
}

.diyai-hcc__panel {
	margin: 0 0 24px;
	padding: clamp(20px, 4vw, 32px);
}

.diyai-hcc__section-head {
	max-width: 760px;
}

.diyai-hcc__tool-grid {
	align-items: start;
	display: grid;
	gap: 22px;
	grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
	margin-top: 18px;
}

.diyai-hcc label {
	display: block;
	font-weight: 700;
	margin: 14px 0 6px;
}

.diyai-hcc input[type="email"],
.diyai-hcc input[type="text"],
.diyai-hcc textarea {
	border: 1px solid var(--diyai-hcc-line);
	border-radius: 6px;
	color: var(--diyai-hcc-ink);
	display: block;
	font: inherit;
	padding: 10px 12px;
	width: 100%;
}

.diyai-hcc textarea {
	min-height: 260px;
	resize: vertical;
}

.diyai-hcc__field-note {
	color: var(--diyai-hcc-muted);
	font-size: 0.94rem;
	margin-top: 8px;
}

.diyai-hcc__result-card {
	background: #fbfcfd;
	border: 1px solid var(--diyai-hcc-line);
	border-radius: 8px;
	padding: 20px;
	position: sticky;
	top: 24px;
}

.diyai-hcc__smell-result {
	margin-top: 18px;
}

.diyai-hcc__score {
	align-items: baseline;
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 10px;
}

.diyai-hcc__score strong {
	font-size: 2rem;
}

.diyai-hcc__smell-result ul {
	display: grid;
	gap: 10px;
	list-style: none;
	margin: 16px 0 0;
	padding: 0;
}

.diyai-hcc__smell-result li {
	background: var(--diyai-hcc-soft);
	border-left: 4px solid var(--diyai-hcc-accent);
	border-radius: 0 6px 6px 0;
	padding: 12px;
}

.diyai-hcc__smell-result li span {
	display: block;
}

.diyai-hcc__progress {
	display: grid;
	gap: 8px;
	margin: 8px 0 18px;
}

.diyai-hcc__progress-track {
	background: var(--diyai-hcc-soft);
	border-radius: 999px;
	display: block;
	height: 12px;
	overflow: hidden;
}

.diyai-hcc__progress-track span {
	background: var(--diyai-hcc-accent);
	display: block;
	height: 100%;
	transition: width 220ms ease;
}

.diyai-hcc__course {
	margin-bottom: 24px;
}

.diyai-hcc__course-head {
	margin-bottom: 14px;
	max-width: 760px;
}

.diyai-hcc__course-grid {
	align-items: start;
	display: grid;
	gap: 18px;
	grid-template-columns: minmax(230px, 280px) minmax(0, 1fr);
}

.diyai-hcc__lesson-tabs {
	background: var(--diyai-hcc-panel);
	border: 1px solid var(--diyai-hcc-line);
	border-radius: 8px;
	display: grid;
	gap: 6px;
	padding: 8px;
	position: sticky;
	top: 18px;
}

.diyai-hcc__lesson-tab {
	align-items: start;
	background: #fff;
	border: 1px solid transparent;
	border-radius: 6px;
	color: var(--diyai-hcc-ink);
	cursor: pointer;
	display: grid;
	font: inherit;
	gap: 4px;
	grid-template-columns: minmax(0, 1fr) auto;
	padding: 12px;
	text-align: left;
	width: 100%;
}

.diyai-hcc__lesson-tab:hover {
	background: #f8fbfb;
}

.diyai-hcc__lesson-tab:focus {
	outline: 3px solid rgba(18, 106, 114, 0.3);
	outline-offset: 1px;
}

.diyai-hcc__lesson-tab.is-active {
	background: var(--diyai-hcc-soft-2);
	border-color: #cfe5d9;
	box-shadow: inset 4px 0 0 var(--diyai-hcc-accent);
}

.diyai-hcc__lesson-tab-kicker {
	color: var(--diyai-hcc-accent);
	font-size: 0.78rem;
	font-weight: 800;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.diyai-hcc__lesson-tab-title {
	font-weight: 800;
	line-height: 1.25;
}

.diyai-hcc__status {
	border: 1px solid var(--diyai-hcc-line);
	border-radius: 999px;
	color: var(--diyai-hcc-muted);
	font-size: 0.85rem;
	font-weight: 700;
	padding: 4px 9px;
	white-space: nowrap;
}

.diyai-hcc__lesson-tab .diyai-hcc__status {
	grid-column: 2;
	grid-row: 1 / span 2;
}

.diyai-hcc__lesson-tab.is-locked {
	background: #fffdf8;
}

.diyai-hcc__lesson-tab.is-locked .diyai-hcc__status {
	border-color: #e7c982;
	color: var(--diyai-hcc-warn);
}

.diyai-hcc__lesson-panels {
	min-width: 0;
}

.diyai-hcc__lesson-panel {
	background: var(--diyai-hcc-panel);
	border: 1px solid var(--diyai-hcc-line);
	border-radius: 8px;
	overflow: hidden;
}

.diyai-hcc__lesson-panel.is-locked {
	background: #fffdf8;
}

.diyai-hcc__lesson-body {
	padding: clamp(20px, 4vw, 34px);
}

.diyai-hcc__lesson-content {
	max-width: 780px;
}

.diyai-hcc__lesson-content h3 {
	border-top: 1px solid var(--diyai-hcc-line);
	font-size: 1.1rem;
	margin-top: 24px;
	padding-top: 18px;
}

.diyai-hcc__lesson-body pre {
	background: #101820;
	border-radius: 6px;
	color: #f4f7fa;
	font-size: 0.95rem;
	line-height: 1.55;
	margin: 0;
	overflow: auto;
	padding: 16px;
	white-space: pre-wrap;
}

.diyai-hcc__prompt-note {
	background: #fff7e8;
	border: 1px solid #f0d39b;
	border-radius: 6px;
	color: #513300;
	font-size: 0.94rem;
	margin: 8px 0 12px;
	padding: 10px 12px;
}

.diyai-hcc__prompt-box {
	border: 1px solid #1f2a33;
	border-radius: 8px;
	margin-top: 10px;
	overflow: hidden;
}

.diyai-hcc__prompt-bar {
	align-items: center;
	background: #1f2a33;
	color: #fff;
	display: flex;
	font-size: 0.88rem;
	gap: 12px;
	justify-content: space-between;
	padding: 9px 12px;
}

.diyai-hcc__copy-prompt {
	background: #fff;
	border: 0;
	border-radius: 5px;
	color: #17202a;
	cursor: pointer;
	font: inherit;
	font-weight: 700;
	padding: 5px 9px;
}

.diyai-hcc__copy-prompt:focus {
	outline: 3px solid rgba(255, 255, 255, 0.45);
	outline-offset: 2px;
}

.diyai-hcc__check {
	align-items: flex-start;
	display: flex;
	gap: 10px;
	font-weight: 400;
}

.diyai-hcc__check input {
	margin-top: 7px;
}

.diyai-hcc__privacy {
	color: var(--diyai-hcc-muted);
	font-size: 0.95rem;
}

.diyai-hcc__helpers {
	margin-top: 28px;
}

.diyai-hcc__signup-grid {
	align-items: start;
	display: grid;
	gap: 28px;
	grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1.15fr);
}

.diyai-hcc__helper-grid {
	display: grid;
	gap: 14px;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.diyai-hcc__helper {
	padding: 18px;
}

.diyai-hcc__helper .diyai-hcc__button {
	margin-right: 8px;
	margin-top: 8px;
}

.diyai-hcc__error {
	color: var(--diyai-hcc-error);
	font-weight: 700;
}

.diyai-hcc .is-hidden {
	display: none;
}

@media (max-width: 720px) {
	.diyai-hcc {
		font-size: 16px;
	}

	.diyai-hcc__hero,
	.diyai-hcc__tool-grid,
	.diyai-hcc__course-grid,
	.diyai-hcc__signup-grid {
		grid-template-columns: 1fr;
	}

	.diyai-hcc__result-card {
		position: static;
	}

	.diyai-hcc__lesson-tabs {
		display: flex;
		gap: 8px;
		overflow-x: auto;
		padding: 8px;
		position: static;
		scroll-snap-type: x mandatory;
	}

	.diyai-hcc__lesson-tab {
		flex: 0 0 min(78vw, 280px);
		scroll-snap-align: start;
	}

	.diyai-hcc__helper-grid {
		grid-template-columns: 1fr;
	}

	.diyai-hcc__actions,
	.diyai-hcc__button {
		width: 100%;
	}

	.diyai-hcc__button {
		justify-content: center;
	}
}