/**
 * Лендинги «Умные связи» — sales, functionality
 * Структура и типографика в духе tallanto.com; цвета — фирменные из style.css
 */

.page-landing {
	--page-section-pad: clamp(3rem, 6vw, 5rem);
	--page-card-radius: 14px;
}

.page-landing main {
	overflow-x: hidden;
}

/* Подменю страницы продукта (как в макете pptx) */
.product-subnav {
	background: var(--card);
	border-bottom: 1px solid rgba(45, 90, 39, 0.12);
	position: sticky;
	top: 72px;
	z-index: 90;
}
.product-subnav__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 0.25rem 1.25rem;
	padding: 0.65rem 0;
}
.product-subnav a {
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--muted);
	text-decoration: none;
	padding: 0.35rem 0.5rem;
	border-radius: 6px;
	transition: color var(--transition), background var(--transition);
}
.product-subnav a:hover,
.product-subnav a.is-active {
	color: var(--primary-color);
	background: var(--section-color);
}
.product-subnav a.is-active {
	color: var(--accent-color-dark);
}

/* Hero split */
.sales-hero {
	padding: var(--page-section-pad) 0;
	background: linear-gradient(165deg, #f7faf6 0%, rgba(174, 80, 8, 0.08) 55%, #f7faf6 100%);
}
.sales-hero__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2.5rem;
	align-items: center;
}
@media (min-width: 960px) {
	.sales-hero__grid {
		grid-template-columns: 1fr 1.05fr;
		gap: 3rem;
	}
}
.sales-hero__eyebrow {
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent-color);
	margin-bottom: 0.75rem;
}
.sales-hero__title {
	font-size: clamp(1.75rem, 4vw, 2.65rem);
	font-weight: 700;
	line-height: 1.15;
	color: var(--primary-color);
	margin-bottom: 1rem;
}
.sales-hero__lead {
	font-size: clamp(1rem, 2vw, 1.125rem);
	color: var(--muted);
	max-width: 36rem;
	margin-bottom: 1.75rem;
}
.sales-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	align-items: center;
}
.sales-hero__note {
	font-size: 0.875rem;
	color: var(--muted);
	margin-top: 0.75rem;
}
.sales-hero__visual {
	position: relative;
}
.sales-hero__visual picture,
.sales-hero__visual img {
	display: block;
	width: 100%;
}
.sales-hero__visual img {
	width: 100%;
	height: auto;
	border-radius: var(--page-card-radius);
	box-shadow: var(--shadow-md);
	border: 1px solid var(--card-border);
}

/* Секции */
.landing-section {
	padding: var(--page-section-pad) 0;
}
.landing-section--alt {
	background: var(--section-color);
}
.landing-section__head {
	text-align: center;
	max-width: 46rem;
	margin: 0 auto 2.75rem;
}
.landing-section__head h2 {
	font-size: clamp(1.5rem, 3vw, 2rem);
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 0.75rem;
}
.landing-section__head p {
	color: var(--muted);
	font-size: 1.05rem;
}

/* Карточки аудитории */
.audience-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.25rem;
}
@media (min-width: 768px) {
	.audience-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}
.audience-card {
	display: grid;
	grid-template-columns: 100px 1fr;
	gap: 1rem;
	align-items: start;
	background: var(--card);
	border: 1px solid var(--card-border);
	border-radius: var(--page-card-radius);
	padding: 1.35rem 1.25rem;
	box-shadow: var(--shadow);
	transition: box-shadow var(--transition), transform var(--transition);
}
.audience-card:hover {
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
}
.audience-card__illus img {
	width: 100%;
	height: auto;
	object-fit: contain;
}
.audience-card h3 {
	font-size: 1.05rem;
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 0.25rem;
}
.audience-card__subtitle {
	font-size: 0.875rem;
	color: var(--muted);
	margin-bottom: 0.65rem;
}
.audience-card ul {
	list-style: none;
	margin: 0 0 0.75rem;
	padding: 0;
	font-size: 0.875rem;
	color: var(--text-dark);
}
.audience-card ul li {
	position: relative;
	padding-left: 1rem;
	margin-bottom: 0.35rem;
}
.audience-card ul li::before {
	content: "•";
	position: absolute;
	left: 0;
	color: var(--accent-color);
}
.audience-card__solution {
	font-size: 0.875rem;
	line-height: 1.5;
}
.audience-card__solution strong {
	color: var(--primary-color);
}

/* Позиционирование */
.positioning-card {
	max-width: 52rem;
	margin: 0 auto;
	background: var(--card);
	border: 2px solid var(--card-border);
	border-radius: var(--page-card-radius);
	padding: clamp(1.5rem, 4vw, 2.5rem);
	box-shadow: var(--shadow-md);
	text-align: center;
}
.positioning-card .solution-badge {
	margin-bottom: 1rem;
}
.positioning-card h2 {
	font-size: clamp(1.25rem, 2.5vw, 1.65rem);
	color: var(--primary-color);
	margin-bottom: 0.75rem;
}
.positioning-card .checklist {
	text-align: left;
	max-width: 28rem;
	margin: 1.25rem auto 1.5rem;
}

/* Шаги */
.steps-row {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
	align-items: stretch;
}
@media (min-width: 768px) {
	.steps-row {
		grid-template-columns: repeat(3, 1fr);
		gap: 0.75rem;
	}
}
.step-card {
	background: var(--card);
	border: 1px solid var(--card-border);
	border-radius: var(--page-card-radius);
	padding: 1.5rem 1.25rem;
	text-align: center;
	position: relative;
}
.step-card__num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.25rem;
	height: 2.25rem;
	border-radius: 8px;
	background: var(--accent-color);
	color: var(--text-light);
	font-weight: 700;
	font-size: 1rem;
	margin-bottom: 0.85rem;
}
.step-card h3 {
	font-size: 1rem;
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}
.step-card p {
	font-size: 0.9rem;
	color: var(--muted);
}
.steps-row .step-arrow {
	display: none;
}
@media (min-width: 768px) {
	.steps-row--with-arrows {
		grid-template-columns: 1fr auto 1fr auto 1fr;
	}
	.steps-row--with-arrows .step-arrow {
		display: flex;
		align-items: center;
		justify-content: center;
		color: var(--muted);
		font-size: 1.25rem;
	}
}

/* Сетка фич */
.feature-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
}
@media (min-width: 640px) {
	.feature-grid--4 {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (min-width: 960px) {
	.feature-grid--4 {
		grid-template-columns: repeat(4, 1fr);
	}
	.feature-grid--3 {
		grid-template-columns: repeat(3, 1fr);
	}
}
.feature-tile {
	background: var(--card);
	border: 1px solid var(--card-border);
	border-radius: var(--page-card-radius);
	padding: 1.35rem;
	height: 100%;
}
.feature-tile h3 {
	font-size: 1rem;
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}
.feature-tile p {
	font-size: 0.875rem;
	color: var(--muted);
	line-height: 1.55;
}

/* Тарифы */
.pricing-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.25rem;
}
@media (min-width: 640px) {
	.pricing-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (min-width: 1024px) {
	.pricing-grid {
		grid-template-columns: repeat(4, 1fr);
	}
}
.pricing-card {
	background: var(--card);
	border: 1px solid var(--card-border);
	border-radius: var(--page-card-radius);
	padding: 1.5rem;
	display: flex;
	flex-direction: column;
	height: 100%;
}
.pricing-card--popular {
	border-color: var(--accent-color);
	box-shadow: 0 0 0 2px rgba(174, 80, 8, 0.2);
}
.pricing-card__badge {
	align-self: flex-start;
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	background: var(--section-color);
	color: var(--accent-color-dark);
	padding: 0.25rem 0.5rem;
	border-radius: 4px;
	margin-bottom: 0.75rem;
}
.pricing-card h3 {
	font-size: 1.15rem;
	color: var(--primary-color);
	margin-bottom: 0.25rem;
}
.pricing-card__limit {
	font-size: 0.875rem;
	color: var(--muted);
	margin-bottom: 1rem;
}
.pricing-card__price {
	font-size: 1.35rem;
	font-weight: 700;
	color: var(--text-dark);
	margin-bottom: 0.25rem;
}
.pricing-card__price-sub {
	font-size: 0.8rem;
	color: var(--muted);
	margin-bottom: 1rem;
}
.pricing-card__features {
	list-style: none;
	padding: 0;
	margin: 0 0 1.25rem;
	flex: 1;
	font-size: 0.85rem;
}
.pricing-card__features li {
	padding: 0.2rem 0;
}
.pricing-card__actions {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}
.pricing-card__actions .btn {
	width: 100%;
	text-align: center;
	font-size: 0.85rem;
}

/* Сравнение */
.compare-table-wrap {
	overflow-x: auto;
	border-radius: var(--page-card-radius);
	border: 1px solid var(--card-border);
	background: var(--card);
}
.compare-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.9rem;
}
.compare-table th,
.compare-table td {
	padding: 0.85rem 1rem;
	text-align: left;
	border-bottom: 1px solid rgba(45, 90, 39, 0.1);
}
.compare-table thead th {
	background: var(--primary-color);
	color: var(--text-light);
	font-weight: 600;
}
.compare-table thead th.col-highlight {
	color: var(--primary-color);
	background: rgba(174, 80, 8, 0.06);
}
.compare-table tbody tr:last-child td {
	border-bottom: none;
}
.compare-table .col-highlight {
	background: rgba(174, 80, 8, 0.06);
	font-weight: 600;
}

/* Functionality page */
.func-section {
	padding: var(--page-section-pad) 0;
	border-bottom: 1px solid rgba(45, 90, 39, 0.08);
}
.func-section:nth-child(even) {
	background: var(--section-color);
}
.func-block {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2rem;
	align-items: center;
}
@media (min-width: 900px) {
	.func-block {
		grid-template-columns: 1fr 1fr;
		gap: 3rem;
	}
	.func-block--reverse .func-block__media {
		order: 2;
	}
	.func-block--reverse .func-block__content {
		order: 1;
	}
}
.func-block__content h2 {
	font-size: clamp(1.35rem, 2.5vw, 1.75rem);
	font-weight: 700;
	color: var(--primary-color);
	margin-bottom: 1rem;
}
.func-block__content p,
.func-block__content li {
	color: var(--muted);
	font-size: 0.95rem;
	line-height: 1.6;
}
.func-block__content ul {
	margin: 0.75rem 0 0;
	padding-left: 1.25rem;
}
.func-block__content li {
	margin-bottom: 0.4rem;
}
.func-block__media {
	max-width: 100%;
	min-width: 0;
}
.func-block__media picture,
.func-block__media img {
	display: block;
	width: 100%;
	max-width: 100%;
	height: auto;
}
.func-block__media img {
	border-radius: var(--page-card-radius);
	border: 1px solid var(--card-border);
	box-shadow: var(--shadow-md);
}

/* Lightbox скриншотов (как prettyPhoto на tallanto.com) */
.func-screenshot-zoom {
	display: block;
	position: relative;
	cursor: zoom-in;
	text-decoration: none;
	color: inherit;
}
.func-screenshot-zoom::after {
	content: "\f00e";
	font-family: "Font Awesome 6 Free";
	font-weight: 900;
	position: absolute;
	right: 0.75rem;
	bottom: 0.75rem;
	width: 2.25rem;
	height: 2.25rem;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background: rgba(45, 90, 39, 0.82);
	color: #fff;
	font-size: 0.95rem;
	opacity: 0;
	transform: scale(0.85);
	transition: opacity 0.2s ease, transform 0.2s ease;
	pointer-events: none;
}
.func-screenshot-zoom:hover::after,
.func-screenshot-zoom:focus-visible::after {
	opacity: 1;
	transform: scale(1);
}
.func-screenshot-zoom:focus-visible {
	outline: 2px solid var(--accent-color);
	outline-offset: 3px;
	border-radius: var(--page-card-radius);
}

body.func-lightbox-open {
	overflow: hidden;
}
.func-lightbox {
	position: fixed;
	inset: 0;
	z-index: 10000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 1.5rem;
	background: rgba(15, 23, 15, 0.88);
	backdrop-filter: blur(4px);
}
.func-lightbox[hidden] {
	display: none !important;
}
.func-lightbox__stage {
	max-width: min(96vw, 1400px);
	max-height: 90vh;
	display: flex;
	align-items: center;
	justify-content: center;
}
.func-lightbox__img {
	display: block;
	max-width: 100%;
	max-height: 90vh;
	width: auto;
	height: auto;
	border-radius: 8px;
	box-shadow: 0 12px 48px rgba(0, 0, 0, 0.45);
	background: #fff;
}
.func-lightbox__close,
.func-lightbox__nav {
	position: absolute;
	border: none;
	background: rgba(255, 255, 255, 0.12);
	color: #fff;
	cursor: pointer;
	transition: background 0.2s ease;
	line-height: 1;
}
.func-lightbox__close:hover,
.func-lightbox__nav:hover {
	background: rgba(255, 255, 255, 0.22);
}
.func-lightbox__close {
	top: 1rem;
	right: 1rem;
	width: 2.75rem;
	height: 2.75rem;
	border-radius: 50%;
	font-size: 1.75rem;
}
.func-lightbox__nav {
	top: 50%;
	transform: translateY(-50%);
	width: 2.75rem;
	height: 3.5rem;
	border-radius: 6px;
	font-size: 2rem;
}
.func-lightbox__prev {
	left: 1rem;
}
.func-lightbox__next {
	right: 1rem;
}

@media (max-width: 899px) {
	.func-block {
		gap: 1.25rem;
	}
	.func-block__media {
		order: -1;
	}
	.func-block--reverse .func-block__media {
		order: -1;
	}
	.func-toc ul {
		justify-content: flex-start;
		gap: 0.4rem 0.65rem;
	}
	.func-toc a {
		font-size: 0.8125rem;
		padding: 0.3rem 0.65rem;
	}
}

.func-toc {
	padding: 0 0 1.5rem;
}
.func-toc ul {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 1rem;
	list-style: none;
	margin: 0;
	padding: 0;
	justify-content: center;
}
.func-toc a {
	display: inline-block;
	padding: 0.35rem 0.85rem;
	border-radius: 999px;
	border: 1px solid var(--card-border);
	background: #fff;
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--primary-color);
	text-decoration: none;
}
.func-toc a:hover {
	border-color: var(--primary-color);
}
.func-pill-list {
	list-style: none;
	padding: 0;
	margin: 1rem 0 0;
}
.func-pill-list li {
	position: relative;
	padding: 0.65rem 0 0.65rem 1.75rem;
	border-bottom: 1px dashed rgba(45, 90, 39, 0.15);
}
.func-pill-list li::before {
	content: "\f00c";
	font-family: "Font Awesome 6 Free";
	font-weight: 900;
	position: absolute;
	left: 0;
	color: var(--accent-color);
}

/* CTA полоса */
.landing-cta {
	text-align: center;
	padding: var(--page-section-pad) 0;
	background: linear-gradient(135deg, var(--primary-color) 0%, #1e3d1a 100%);
	color: var(--text-light);
}
.landing-cta h2 {
	font-size: clamp(1.35rem, 3vw, 1.85rem);
	margin-bottom: 0.75rem;
}
.landing-cta p {
	opacity: 0.9;
	max-width: 36rem;
	margin: 0 auto 1.5rem;
}
.landing-cta .btn--on-dark {
	margin: 0 0.35rem 0.5rem;
}