/* ============================================================
   # Landing — Автоматизация и ИИ (page-ai.php)
   # Prefix: ai-   |   Palette: Violet / Fuchsia / Emerald
   ============================================================ */

/* ---- Glass card utility ---- */

.ai-glass-card {
	background: rgba(30, 41, 59, 0.7);
	backdrop-filter: blur(10px);
	border: 1px solid rgba(139, 92, 246, 0.2);
	border-radius: var(--radius-lg);
}

/* ---- AI Hero ---- */

.ai-hero {
	position: relative;
	overflow: hidden;
	padding: 4rem 0 3rem;
	background: #0f172a;
	color: #fff;
	text-align: center;
}

.ai-hero__dots {
	position: absolute;
	inset: 0;
	opacity: 0.2;
	background-image: radial-gradient(circle at 50% 50%, #8b5cf6 2px, transparent 2px);
	background-size: 40px 40px;
	pointer-events: none;
}

.ai-hero__inner {
	position: relative;
	z-index: 1;
	max-width: 52rem;
	margin-inline: auto;
}

.ai-hero__badge {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.375rem 1rem;
	border-radius: 9999px;
	background: rgba(139, 92, 246, 0.15);
	color: #c4b5fd;
	font-size: 0.875rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	border: 1px solid rgba(139, 92, 246, 0.3);
	margin-bottom: 1.5rem;
}

.ai-hero__badge-icon {
	font-size: 1.125rem;
}

.ai-hero__title {
	font-size: clamp(2rem, 7vw, 3.75rem);
	font-weight: 800;
	line-height: 1.1;
	letter-spacing: -0.025em;
	margin-bottom: 1.5rem;
	color: #fff;
}

.ai-hero__title-accent {
	background: linear-gradient(135deg, #a78bfa, #d946ef);
	-webkit-background-clip: text;
	background-clip: text;
	-webkit-text-fill-color: transparent;
}

.ai-hero__subtitle {
	font-size: 1.125rem;
	line-height: 1.75;
	color: #94a3b8;
	max-width: 40rem;
	margin-inline: auto;
	margin-bottom: 2.5rem;
}

.ai-hero__cta {
	display: inline-block;
	padding: 1rem 2rem;
	background: #7c3aed;
	color: #fff;
	font-weight: 700;
	font-size: 1.125rem;
	border-radius: 0.5rem;
	text-decoration: none;
	transition: background 0.2s ease, box-shadow 0.2s ease;
	box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

.ai-hero__cta:visited,
.ai-hero__cta:link {
	color: #fff;
}

.ai-hero__cta:hover,
.ai-hero__cta:focus-visible {
	background: #6d28d9;
	box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
	color: #fff;
}

/* ---- Tablet ---- */
@media (min-width: 48rem) {
	.ai-hero {
		padding: 6rem 0 5rem;
	}

	.ai-hero__subtitle {
		font-size: 1.25rem;
	}
}

/* ---- Desktop ---- */
@media (min-width: 75rem) {
	.ai-hero {
		padding: 8rem 0 6rem;
	}
}

/* ---- AI Chart (Line) Section ---- */

.ai-chart {
	padding: 3rem 0;
	background: #0f172a;
	border-top: 1px solid #1e293b;
}

.ai-chart__header {
	text-align: center;
	margin-bottom: 2rem;
}

.ai-chart__title {
	font-size: clamp(1.5rem, 5vw, 1.875rem);
	font-weight: 700;
	color: #f1f5f9;
	margin-bottom: 1rem;
}

.ai-chart__subtitle {
	font-size: 1rem;
	color: #94a3b8;
	line-height: 1.6;
	max-width: 42rem;
	margin-inline: auto;
}

.ai-chart__card {
	padding: 1.5rem;
	box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.ai-chart__canvas-wrap {
	position: relative;
	width: 100%;
	max-width: 800px;
	margin-inline: auto;
	height: 260px;
}

.ai-chart__footnote {
	margin-top: 1.5rem;
	text-align: center;
	font-size: 0.8125rem;
	color: #64748b;
}

@media (min-width: 48rem) {
	.ai-chart {
		padding: 4.5rem 0;
	}

	.ai-chart__header {
		margin-bottom: 3rem;
	}

	.ai-chart__card {
		padding: 2.5rem;
	}

	.ai-chart__canvas-wrap {
		height: 350px;
	}
}

@media (min-width: 75rem) {
	.ai-chart {
		padding: 5rem 0;
	}

	.ai-chart__canvas-wrap {
		height: 400px;
	}
}

/* ---- AI Arsenal Section ---- */

.ai-arsenal {
	padding: 3rem 0;
	background: #020617;
}

.ai-arsenal__header {
	text-align: center;
	margin-bottom: 2.5rem;
}

.ai-arsenal__title {
	font-size: clamp(1.5rem, 5vw, 1.875rem);
	font-weight: 700;
	color: #f1f5f9;
	margin-bottom: 1rem;
}

.ai-arsenal__subtitle {
	font-size: 1rem;
	color: #94a3b8;
	line-height: 1.6;
	max-width: 42rem;
	margin-inline: auto;
}

.ai-arsenal__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.25rem;
	margin-bottom: 1.5rem;
}

/* Plugin card */
.ai-plugin-card {
	position: relative;
	overflow: hidden;
	padding: 2rem;
	transition: border-color 0.3s ease;
}

.ai-plugin-card:hover {
	border-color: rgba(139, 92, 246, 0.5);
}

.ai-plugin-card__glow {
	position: absolute;
	right: -2.5rem;
	top: -2.5rem;
	width: 10rem;
	height: 10rem;
	border-radius: 50%;
	filter: blur(3rem);
	pointer-events: none;
	transition: opacity 0.3s ease;
}

.ai-plugin-card__glow--violet {
	background: rgba(139, 92, 246, 0.15);
}

.ai-plugin-card:hover .ai-plugin-card__glow--violet {
	background: rgba(139, 92, 246, 0.3);
}

.ai-plugin-card__glow--fuchsia {
	background: rgba(192, 38, 211, 0.15);
}

.ai-plugin-card:hover .ai-plugin-card__glow--fuchsia {
	background: rgba(192, 38, 211, 0.3);
}

.ai-plugin-card__icon {
	font-size: 2.5rem;
	margin-bottom: 1rem;
	line-height: 1;
}

.ai-plugin-card__title {
	font-size: 1.25rem;
	font-weight: 700;
	color: #f1f5f9;
	margin-bottom: 0.5rem;
	line-height: 1.3;
}

.ai-plugin-card__badge {
	display: inline-block;
	padding: 0.25rem 0.75rem;
	border-radius: 9999px;
	font-size: 0.75rem;
	font-weight: 500;
	margin-bottom: 1rem;
}

.ai-plugin-card__badge--violet {
	background: rgba(139, 92, 246, 0.2);
	color: #c4b5fd;
	border: 1px solid rgba(139, 92, 246, 0.3);
}

.ai-plugin-card__badge--fuchsia {
	background: rgba(192, 38, 211, 0.2);
	color: #e879f9;
	border: 1px solid rgba(192, 38, 211, 0.3);
}

.ai-plugin-card__text {
	font-size: 0.9375rem;
	color: #94a3b8;
	line-height: 1.7;
	margin-bottom: 1.25rem;
}

.ai-plugin-card__features {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.ai-plugin-card__features li {
	position: relative;
	padding-left: 1.5rem;
	font-size: 0.875rem;
	color: #cbd5e1;
	line-height: 1.5;
}

.ai-plugin-card__features li::before {
	content: '✓';
	position: absolute;
	left: 0;
	color: #10b981;
	font-weight: 700;
}

/* Enterprise block */
.ai-enterprise {
	background: linear-gradient(135deg, #0f172a, #1e293b);
	border-radius: var(--radius-lg);
	border: 1px solid #334155;
	padding: 2rem;
}

.ai-enterprise__title {
	font-size: 1.125rem;
	font-weight: 700;
	color: #f1f5f9;
	margin-bottom: 1.25rem;
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.ai-enterprise__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.25rem;
}

.ai-enterprise__item-title {
	font-size: 0.9375rem;
	font-weight: 700;
	color: #e2e8f0;
	margin-bottom: 0.5rem;
}

.ai-enterprise__item-text {
	font-size: 0.875rem;
	color: #94a3b8;
	line-height: 1.6;
}

@media (min-width: 48rem) {
	.ai-arsenal {
		padding: 4.5rem 0;
	}

	.ai-arsenal__header {
		margin-bottom: 3.5rem;
	}

	.ai-arsenal__grid {
		grid-template-columns: repeat(2, 1fr);
		gap: 1.5rem;
	}

	.ai-enterprise__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 75rem) {
	.ai-arsenal {
		padding: 5rem 0;
	}

	.ai-arsenal__grid {
		gap: 2rem;
		margin-bottom: 2rem;
	}

	.ai-plugin-card {
		padding: 2.5rem;
	}

	.ai-plugin-card__title {
		font-size: 1.375rem;
	}

	.ai-enterprise {
		padding: 2.5rem;
	}
}

/* ---- AI Calculator Section ---- */

.ai-calc {
	padding: 3rem 0;
	background: #0f172a;
}

.ai-calc__wrap {
	position: relative;
	overflow: hidden;
	padding: 2rem 1.5rem;
	color: #fff;
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

.ai-calc__accent-bar {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: linear-gradient(90deg, #7c3aed, #10b981);
}

.ai-calc__content {
	position: relative;
	z-index: 1;
}

.ai-calc__title {
	font-size: clamp(1.5rem, 5vw, 1.875rem);
	font-weight: 700;
	text-align: center;
	margin-bottom: 1rem;
	color: #fff;
}

.ai-calc__subtitle {
	text-align: center;
	font-size: 1rem;
	color: #94a3b8;
	line-height: 1.6;
	max-width: 40rem;
	margin-inline: auto;
	margin-bottom: 2.5rem;
}

.ai-calc__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2rem;
}

/* Slider controls */
.ai-calc__inputs {
	display: flex;
	flex-direction: column;
	gap: 2rem;
	background: rgba(15, 23, 42, 0.8);
	padding: 2rem;
	border-radius: var(--radius-md);
	border: 1px solid #334155;
}

.ai-calc-slider__head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 0.5rem;
}

.ai-calc-slider__label {
	font-weight: 500;
	font-size: 0.9375rem;
	color: #cbd5e1;
}

.ai-calc-slider__value {
	font-weight: 700;
	font-size: 0.9375rem;
	color: #c4b5fd;
}

.ai-calc-slider__note {
	font-size: 0.75rem;
	color: #64748b;
	margin-top: 0.5rem;
}

/* Range slider */
.ai-calc-slider__input {
	-webkit-appearance: none;
	appearance: none;
	width: 100%;
	height: 8px;
	border-radius: 4px;
	background: #334155;
	/* outline: none; removed for accessibility */
	border: none;
	padding: 0;
}

.ai-calc-slider__input::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 24px;
	height: 24px;
	border-radius: 50%;
	background: #8b5cf6;
	cursor: pointer;
	box-shadow: 0 0 15px rgba(139, 92, 246, 0.6);
	border: 2px solid #fff;
}

.ai-calc-slider__input::-moz-range-thumb {
	width: 24px;
	height: 24px;
	border-radius: 50%;
	background: #8b5cf6;
	cursor: pointer;
	box-shadow: 0 0 15px rgba(139, 92, 246, 0.6);
	border: 2px solid #fff;
}

/* Output dashboard */
.ai-calc__output {
	background: rgba(16, 185, 129, 0.08);
	border: 1px solid rgba(16, 185, 129, 0.2);
	border-radius: var(--radius-md);
	padding: 2rem;
	text-align: center;
}

.ai-calc__result-label {
	font-size: 0.8125rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: #6ee7b7;
	margin-bottom: 0.5rem;
}

.ai-calc__result-value {
	font-size: clamp(2rem, 8vw, 3rem);
	font-weight: 800;
	color: #34d399;
	letter-spacing: -0.02em;
	margin-bottom: 0.5rem;
}

.ai-calc__result-note {
	font-size: 0.875rem;
	color: #94a3b8;
	margin-bottom: 1.5rem;
}

/* Breakdown rows */
.ai-calc__breakdown {
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	padding-top: 1rem;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	text-align: left;
	background: rgba(15, 23, 42, 0.5);
	padding: 1rem;
	border-radius: 0.5rem;
}

.ai-calc__breakdown-row {
	display: flex;
	justify-content: space-between;
	font-size: 0.8125rem;
	color: #cbd5e1;
}

.ai-calc__val-human {
	font-weight: 600;
	color: #fb7185;
	text-decoration: line-through;
}

.ai-calc__val-ai {
	font-weight: 600;
	color: #34d399;
}

.ai-calc__cta-wrap {
	margin-top: 1.5rem;
}

.ai-calc__cta {
	display: inline-block;
	width: 100%;
	padding: 0.75rem 1.5rem;
	background: #10b981;
	color: #fff;
	font-weight: 700;
	text-align: center;
	border-radius: 0.5rem;
	text-decoration: none;
	transition: background 0.2s ease;
}

.ai-calc__cta:visited,
.ai-calc__cta:link {
	color: #fff;
}

.ai-calc__cta:hover,
.ai-calc__cta:focus-visible {
	background: #059669;
	color: #fff;
}

@media (min-width: 48rem) {
	.ai-calc {
		padding: 4.5rem 0;
	}

	.ai-calc__wrap {
		padding: 3rem;
	}
}

@media (min-width: 64rem) {
	.ai-calc__grid {
		grid-template-columns: 7fr 5fr;
		gap: 3rem;
		align-items: center;
	}
}

@media (min-width: 75rem) {
	.ai-calc {
		padding: 5rem 0;
	}

	.ai-calc__wrap {
		padding: 3.5rem;
	}
}

/* ---- AI Form Section ---- */

.ai-form-section {
	padding: 3rem 0;
	background: #0f172a;
}

.ai-form-section__header {
	text-align: center;
	margin-bottom: 2rem;
}

.ai-form-section__badge {
	display: inline-block;
	padding: 0.25rem 0.75rem;
	border-radius: 9999px;
	background: rgba(139, 92, 246, 0.1);
	color: #a78bfa;
	font-size: 0.875rem;
	font-weight: 600;
	border: 1px solid rgba(139, 92, 246, 0.2);
	margin-bottom: 1rem;
}

.ai-form-section__title {
	font-size: clamp(1.5rem, 5vw, 1.875rem);
	font-weight: 700;
	color: #f1f5f9;
	margin-bottom: 1rem;
}

.ai-form-section__subtitle {
	font-size: 1rem;
	color: #94a3b8;
	line-height: 1.6;
	max-width: 42rem;
	margin-inline: auto;
}

.ai-form-section__card {
	max-width: 46rem;
	margin-inline: auto;
	padding: 2rem;
	box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

/* Override audit-form colors for dark violet theme */
.ai-form-section .audit-form__label {
	color: #cbd5e1;
}

.ai-form-section .audit-form__input,
.ai-form-section .audit-form__select {
	background: #0f172a;
	border-color: #334155;
	color: #f1f5f9;
}

.ai-form-section .audit-form__input::placeholder {
	color: #64748b;
}

.ai-form-section .audit-form__input:focus,
.ai-form-section .audit-form__select:focus {
	border-color: #8b5cf6;
	box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.ai-form-section .audit-form__select option {
	background: #0f172a;
	color: #f1f5f9;
}

.ai-form-section .audit-form__req {
	color: #8b5cf6;
}

.ai-form-section__submit {
	background: #7c3aed;
	box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.ai-form-section__submit:hover,
.ai-form-section__submit:focus-visible {
	background: #6d28d9;
	box-shadow: 0 0 25px rgba(139, 92, 246, 0.5);
}

.ai-form-section .audit-form__privacy {
	color: #64748b;
}

/* Violet header CTA — now handled by .header-cta--violet in style.css */

@media (min-width: 48rem) {
	.ai-form-section {
		padding: 4.5rem 0;
	}

	.ai-form-section__header {
		margin-bottom: 2.5rem;
	}

	.ai-form-section__card {
		padding: 2.5rem;
	}
}

@media (min-width: 75rem) {
	.ai-form-section {
		padding: 5rem 0;
	}

	.ai-form-section__card {
		padding: 3rem;
	}
}