/**
 * Главная: блок «Расчёт стоимости» под преимуществами (полная ширина, волна).
 */

.calc-cta-section {
	--calc-cta-teal: #007979;
	--calc-cta-teal-glow: rgba(0, 121, 121, 0.45);
	--calc-cta-yellow: #f2d06b;
	--calc-cta-dark: #0a1214;
	--calc-cta-dark-mid: #0f1c1f;
	--calc-cta-text: rgba(255, 255, 255, 0.92);
	--calc-cta-muted: rgba(255, 255, 255, 0.68);
	--calc-cta-ease: cubic-bezier(0.23, 1, 0.32, 1);

	position: relative;
	width: 100%;
	margin-top: clamp(2rem, 5vw, 3.5rem);
	margin-bottom: 0;
	padding: 0 0 clamp(3.5rem, 7vw, 5rem);
	font-family: "Manrope", system-ui, sans-serif;
	background: linear-gradient(168deg, var(--calc-cta-dark-mid) 0%, var(--calc-cta-dark) 42%, #050a0c 100%);
	overflow: hidden;
}

/* Волна — плавный переход от светлого блока преимуществ */
.calc-cta-section__wave {
	display: block;
	width: 100%;
	height: clamp(56px, 9vw, 96px);
	margin-top: calc(-1 * clamp(48px, 7vw, 72px) + 1px);
	margin-bottom: -2px;
	line-height: 0;
	pointer-events: none;
}

.calc-cta-section__wave svg {
	display: block;
	width: 100%;
	height: 100%;
}

.calc-cta-section__wave path {
	fill: var(--calc-cta-dark-mid);
}

/* Мягкое свечение и «звёзды» на фоне */
.calc-cta-section::before {
	content: "";
	position: absolute;
	inset: 0;
	background:
		radial-gradient(ellipse 80% 50% at 50% -20%, var(--calc-cta-teal-glow), transparent 55%),
		radial-gradient(circle at 12% 78%, rgba(242, 208, 107, 0.06), transparent 35%),
		radial-gradient(circle at 88% 40%, rgba(0, 121, 121, 0.12), transparent 40%);
	pointer-events: none;
}

.calc-cta-section::after {
	content: "";
	position: absolute;
	inset: 0;
	background-image: radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.04) 0, transparent 1px),
		radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.03) 0, transparent 1px),
		radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.025) 0, transparent 1px);
	background-size: 120px 120px, 180px 180px, 200px 200px;
	opacity: 0.5;
	pointer-events: none;
	animation: calc-cta-drift 28s linear infinite;
}

@keyframes calc-cta-drift {
	from {
		transform: translate(0, 0);
	}
	to {
		transform: translate(-40px, -24px);
	}
}

.calc-cta-section__inner {
	position: relative;
	z-index: 1;
	max-width: 1350px;
	margin: 0 auto;
	padding: clamp(1.25rem, 3vw, 2rem) clamp(1rem, 4vw, 1.5rem) 0;
}

.calc-cta-header {
	text-align: center;
	max-width: 40rem;
	margin: 0 auto clamp(2rem, 4vw, 2.75rem);
	opacity: 0;
	transform: translateY(28px);
	transition: opacity 0.75s var(--calc-cta-ease), transform 0.75s var(--calc-cta-ease);
}

.calc-cta-header.is-visible {
	opacity: 1;
	transform: translateY(0);
}

.calc-cta-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	margin: 0 0 0.75rem;
	padding: 0.35rem 0.85rem;
	font-size: 0.68rem;
	font-weight: 800;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: rgba(10, 18, 20, 0.95);
	background: linear-gradient(135deg, var(--calc-cta-yellow) 0%, #e8c655 100%);
	border-radius: 999px;
	box-shadow: 0 4px 20px rgba(242, 208, 107, 0.25);
}

.calc-cta-badge i {
	font-size: 0.75rem;
}

.calc-cta-title {
	margin: 0 0 0.65rem;
	font-size: clamp(1.65rem, 4vw, 2.35rem);
	font-weight: 800;
	letter-spacing: -0.03em;
	line-height: 1.15;
	color: var(--calc-cta-text);
}

.calc-cta-title span {
	color: var(--calc-cta-yellow);
}

.calc-cta-lead {
	margin: 0;
	font-size: clamp(0.92rem, 1.8vw, 1.05rem);
	line-height: 1.55;
	color: var(--calc-cta-muted);
}

.calc-cta-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: clamp(1rem, 2.5vw, 1.35rem);
}

@media (min-width: 720px) {
	.calc-cta-grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 1.25rem;
	}
}

.calc-cta-card {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	text-align: left;
	width: 100%;
	padding: clamp(1.35rem, 3vw, 1.75rem);
	border: 1px solid rgba(0, 121, 121, 0.35);
	border-radius: 22px;
	background: linear-gradient(155deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
	color: var(--calc-cta-text);
	font: inherit;
	cursor: pointer;
	overflow: hidden;
	opacity: 0;
	transform: translateY(36px) scale(0.98);
	transition:
		opacity 0.65s var(--calc-cta-ease),
		transform 0.65s var(--calc-cta-ease),
		border-color 0.3s ease,
		box-shadow 0.35s ease,
		background 0.35s ease;
}

.calc-cta-card.is-visible {
	opacity: 1;
	transform: translateY(0) scale(1);
}

.calc-cta-card::before {
	content: "";
	position: absolute;
	inset: -1px;
	border-radius: inherit;
	background: linear-gradient(135deg, rgba(0, 121, 121, 0.35), transparent 45%, rgba(242, 208, 107, 0.12));
	opacity: 0;
	transition: opacity 0.4s ease;
	pointer-events: none;
}

.calc-cta-card:hover::before,
.calc-cta-card:focus-visible::before {
	opacity: 1;
}

.calc-cta-card:hover,
.calc-cta-card:focus-visible {
	border-color: rgba(242, 208, 107, 0.55);
	box-shadow:
		0 20px 48px rgba(0, 0, 0, 0.35),
		0 0 0 1px rgba(242, 208, 107, 0.15);
	transform: translateY(-6px);
	background: linear-gradient(155deg, rgba(255, 255, 255, 0.1) 0%, rgba(0, 121, 121, 0.08) 100%);
}

.calc-cta-card.is-visible:hover,
.calc-cta-card.is-visible:focus-visible {
	transform: translateY(-6px);
}

.calc-cta-card:focus-visible {
	outline: 2px solid var(--calc-cta-yellow);
	outline-offset: 3px;
}

.calc-cta-card__glow {
	position: absolute;
	width: 140px;
	height: 140px;
	border-radius: 50%;
	background: radial-gradient(circle, rgba(0, 121, 121, 0.35), transparent 70%);
	top: -50px;
	right: -40px;
	opacity: 0.6;
	pointer-events: none;
	transition: transform 0.5s var(--calc-cta-ease), opacity 0.5s ease;
}

.calc-cta-card:hover .calc-cta-card__glow {
	transform: scale(1.25);
	opacity: 0.85;
}

.calc-cta-card__ico {
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 3.25rem;
	height: 3.25rem;
	margin-bottom: 1rem;
	border-radius: 14px;
	background: rgba(0, 121, 121, 0.35);
	color: #fff;
	font-size: 1.35rem;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
	animation: calc-cta-icon-float 4.5s ease-in-out infinite;
}

.calc-cta-card:nth-child(2) .calc-cta-card__ico {
	animation-delay: -1.5s;
}

.calc-cta-card:nth-child(3) .calc-cta-card__ico {
	animation-delay: -3s;
}

@keyframes calc-cta-icon-float {
	0%,
	100% {
		transform: translateY(0);
	}
	50% {
		transform: translateY(-5px);
	}
}

.calc-cta-card__title {
	position: relative;
	z-index: 1;
	margin: 0 0 0.4rem;
	font-size: clamp(1.05rem, 2.2vw, 1.2rem);
	font-weight: 800;
	letter-spacing: -0.02em;
}

.calc-cta-card__text {
	position: relative;
	z-index: 1;
	margin: 0 0 1rem;
	font-size: 0.86rem;
	line-height: 1.5;
	color: var(--calc-cta-muted);
	flex: 1;
}

.calc-cta-card__cta {
	position: relative;
	z-index: 1;
	display: inline-flex;
	align-items: center;
	gap: 0.45rem;
	font-size: 0.78rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--calc-cta-yellow);
}

.calc-cta-card__cta i {
	transition: transform 0.35s var(--calc-cta-ease);
}

.calc-cta-card:hover .calc-cta-card__cta i,
.calc-cta-card:focus-visible .calc-cta-card__cta i {
	transform: translateX(5px);
}

@media (prefers-reduced-motion: reduce) {
	.calc-cta-section::after {
		animation: none;
	}

	.calc-cta-header,
	.calc-cta-card {
		opacity: 1;
		transform: none;
		transition: border-color 0.2s ease, box-shadow 0.2s ease;
	}

	.calc-cta-card__ico {
		animation: none;
	}

	.calc-cta-card:hover,
	.calc-cta-card:focus-visible {
		transform: none;
	}
}