/* ==========================================================================
   СЭМ Theme — Main Styles
   ========================================================================== */

:root {
	--sem-navy: #051427;
	--sem-navy-light: #0a1f3d;
	--sem-navy-dark: #030d1a;
	--sem-orange: #F37021;
	--sem-orange-hover: #e0651c;
	--sem-white: #ffffff;
	--sem-gray-100: #f5f7fa;
	--sem-gray-200: #e8ecf1;
	--sem-gray-400: #94a3b8;
	--sem-gray-600: #64748b;
	--sem-gray-800: #1e293b;
	--sem-text: #334155;
	--sem-container: 1280px;
	--sem-header-height: 80px;
	--sem-radius: 8px;
	--sem-radius-lg: 12px;
	--sem-shadow: 0 4px 24px rgba(5, 20, 39, 0.12);
	--sem-transition: 0.25s ease;
}

*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	font-size: 16px;
	line-height: 1.6;
	color: var(--sem-text);
	background: var(--sem-white);
	-webkit-font-smoothing: antialiased;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

a {
	color: inherit;
	text-decoration: none;
}

ul {
	list-style: none;
}

button {
	font-family: inherit;
	cursor: pointer;
	border: none;
	background: none;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* Container */
.sem-container {
	width: 100%;
	max-width: var(--sem-container);
	margin: 0 auto;
	padding: 0 24px;
}

/* Buttons */
.sem-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 28px;
	font-size: 14px;
	font-weight: 600;
	border-radius: var(--sem-radius);
	transition: all var(--sem-transition);
	white-space: nowrap;
}

.sem-btn--primary {
	background: var(--sem-orange);
	color: var(--sem-white);
}

.sem-btn--primary:hover {
	background: var(--sem-orange-hover);
	transform: translateY(-1px);
}

.sem-btn--outline {
	background: transparent;
	color: var(--sem-white);
	border: 2px solid rgba(255, 255, 255, 0.6);
}

.sem-btn--outline:hover {
	border-color: var(--sem-white);
	background: rgba(255, 255, 255, 0.08);
}

.sem-btn--sm {
	padding: 10px 20px;
	font-size: 13px;
}

.sem-btn--lg {
	padding: 16px 32px;
	font-size: 15px;
}

.sem-btn--full {
	width: 100%;
}

/* Label & Section headers */
.sem-label {
	display: inline-block;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--sem-orange);
	margin-bottom: 12px;
}

.sem-section-title {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 700;
	line-height: 1.2;
	color: var(--sem-navy);
}

.sem-section-title--light {
	color: var(--sem-white);
}

.sem-section-desc {
	font-size: 15px;
	color: var(--sem-gray-600);
	margin-top: 16px;
	max-width: 480px;
	line-height: 1.7;
}

.sem-section-header {
	margin-bottom: 48px;
}

.sem-section-header--split {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 32px;
	flex-wrap: wrap;
}

.sem-section-header--dark {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 32px;
	flex-wrap: wrap;
}

.sem-section-header--center {
	text-align: center;
}

.sem-link-arrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 14px;
	font-weight: 600;
	color: var(--sem-orange);
	transition: gap var(--sem-transition);
	flex-shrink: 0;
}

.sem-link-arrow:hover {
	gap: 12px;
}

.sem-link-arrow--light {
	color: var(--sem-orange);
}

/* ==========================================================================
   Header
   ========================================================================== */

.sem-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
	height: var(--sem-header-height);
	background: rgba(5, 20, 39, 0.95);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid rgba(255, 255, 255, 0.06);
	transition: background var(--sem-transition), box-shadow var(--sem-transition);
}

.sem-header.is-scrolled {
	background: var(--sem-navy);
	box-shadow: var(--sem-shadow);
}

.sem-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 100%;
	gap: 24px;
}

/* Logo */
.sem-logo {
	display: flex;
	align-items: center;
	flex-shrink: 0;
}

.sem-logo__img {
	display: block;
	width: auto;
	height: 56px;
	max-width: min(280px, 48vw);
	object-fit: contain;
	object-position: left center;
}

.sem-logo--footer .sem-logo__img {
	height: 48px;
	max-width: 240px;
}

/* Navigation */
.sem-nav {
	flex: 1;
	display: flex;
	justify-content: center;
}

.sem-nav__list {
	display: flex;
	align-items: center;
	gap: 4px;
}

.sem-nav__list li a,
.sem-nav__link {
	display: block;
	padding: 8px 14px;
	font-size: 13px;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.85);
	border-radius: 6px;
	transition: color var(--sem-transition), background var(--sem-transition);
}

.sem-nav__list li a:hover,
.sem-nav__link:hover {
	color: var(--sem-white);
	background: rgba(255, 255, 255, 0.06);
}

/* Dropdown submenu */
.sem-nav__item--has-children,
.sem-nav__list .menu-item-has-children {
	position: relative;
}

.sem-nav__submenu,
.sem-nav__list .sub-menu {
	position: absolute;
	top: calc(100% + 8px);
	left: 50%;
	transform: translateX(-50%) translateY(8px);
	min-width: 260px;
	background: var(--sem-white);
	border-radius: var(--sem-radius-lg);
	box-shadow: 0 12px 40px rgba(5, 20, 39, 0.18);
	padding: 8px 0;
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--sem-transition), visibility var(--sem-transition), transform var(--sem-transition);
	z-index: 100;
}

.sem-nav__item--has-children:hover > .sem-nav__submenu,
.sem-nav__list .menu-item-has-children:hover > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateX(-50%) translateY(0);
}

.sem-nav__sublink,
.sem-nav__submenu a,
.sem-nav__list .sub-menu a {
	display: block;
	padding: 10px 20px;
	font-size: 13px;
	font-weight: 500;
	color: var(--sem-navy);
	white-space: nowrap;
	transition: background var(--sem-transition), color var(--sem-transition);
}

.sem-nav__sublink:hover,
.sem-nav__submenu a:hover,
.sem-nav__list .sub-menu a:hover {
	background: var(--sem-gray-100);
	color: var(--sem-orange);
}

.sem-nav__item--has-children > .sem-nav__link::after,
.sem-nav__list .menu-item-has-children > a::after {
	content: '';
	display: inline-block;
	width: 0;
	height: 0;
	margin-left: 6px;
	border-left: 4px solid transparent;
	border-right: 4px solid transparent;
	border-top: 5px solid currentColor;
	vertical-align: middle;
	opacity: 0.6;
}

.sem-nav__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 36px;
	height: 36px;
	padding: 6px;
}

.sem-nav__toggle-bar {
	display: block;
	width: 100%;
	height: 2px;
	background: var(--sem-white);
	border-radius: 2px;
	transition: transform var(--sem-transition), opacity var(--sem-transition);
}

.sem-nav__toggle[aria-expanded="true"] .sem-nav__toggle-bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.sem-nav__toggle[aria-expanded="true"] .sem-nav__toggle-bar:nth-child(2) {
	opacity: 0;
}

.sem-nav__toggle[aria-expanded="true"] .sem-nav__toggle-bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Header contacts */
.sem-header__contacts {
	display: flex;
	align-items: center;
	gap: 20px;
	flex-shrink: 0;
}

.sem-header__contact-info {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 2px;
}

.sem-header__phone {
	font-size: 14px;
	font-weight: 700;
	color: var(--sem-white);
	transition: color var(--sem-transition);
}

.sem-header__phone:hover {
	color: var(--sem-orange);
}

.sem-header__email {
	font-size: 12px;
	color: rgba(255, 255, 255, 0.55);
	transition: color var(--sem-transition);
}

.sem-header__email:hover {
	color: var(--sem-orange);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.sem-hero {
	position: relative;
	min-height: 100vh;
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding-top: var(--sem-header-height);
	background-color: var(--sem-navy);
	background-image: var(--hero-bg);
	background-size: cover;
	background-position: 65% center;
	overflow: hidden;
}

.sem-hero__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(
		105deg,
		rgba(5, 20, 39, 0.88) 0%,
		rgba(5, 20, 39, 0.55) 42%,
		rgba(5, 20, 39, 0.15) 72%,
		rgba(5, 20, 39, 0.05) 100%
	);
}

.sem-hero__content {
	position: relative;
	z-index: 2;
	padding: 80px 0 160px;
}

.sem-hero__title {
	font-size: clamp(36px, 5.5vw, 56px);
	font-weight: 800;
	line-height: 1.1;
	color: var(--sem-white);
	margin-bottom: 16px;
	max-width: 680px;
}

.sem-hero__subtitle {
	font-size: clamp(18px, 2.5vw, 24px);
	font-weight: 600;
	color: var(--sem-orange);
	margin-bottom: 20px;
}

.sem-hero__desc {
	font-size: 15px;
	color: rgba(255, 255, 255, 0.75);
	max-width: 520px;
	line-height: 1.7;
	margin-bottom: 36px;
}

.sem-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
}

/* Stats bar */
.sem-hero__stats {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 3;
	background: rgba(5, 20, 39, 0.85);
	backdrop-filter: blur(16px);
	border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sem-hero__stats-inner {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 0;
}

.sem-stat {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 28px 24px;
	border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sem-stat:last-child {
	border-right: none;
}

.sem-stat__icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	flex-shrink: 0;
	color: var(--sem-orange);
	background: rgba(243, 112, 33, 0.12);
	border-radius: 10px;
}

.sem-stat__value {
	display: block;
	font-size: 28px;
	font-weight: 800;
	color: var(--sem-white);
	line-height: 1;
}

.sem-stat__label {
	display: block;
	font-size: 12px;
	color: rgba(255, 255, 255, 0.55);
	margin-top: 4px;
	line-height: 1.3;
}

/* Scroll indicator */
.sem-hero__scroll {
	position: absolute;
	right: 32px;
	bottom: 120px;
	z-index: 3;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
	color: rgba(255, 255, 255, 0.45);
	font-size: 11px;
}

.sem-hero__scroll-icon {
	animation: sem-bounce 2s infinite;
}

@keyframes sem-bounce {
	0%, 100% { transform: translateY(0); }
	50% { transform: translateY(6px); }
}

/* ==========================================================================
   Services
   ========================================================================== */

.sem-services {
	padding: 100px 0;
	background: var(--sem-white);
}

.sem-services__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}

.sem-service-card {
	position: relative;
	display: block;
	height: 280px;
	border-radius: var(--sem-radius-lg);
	overflow: hidden;
	transition: transform var(--sem-transition);
}

.sem-service-card:hover {
	transform: translateY(-4px);
}

.sem-service-card__bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	transition: transform 0.5s ease;
}

.sem-service-card:hover .sem-service-card__bg {
	transform: scale(1.06);
}

.sem-service-card__overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(to top, rgba(5, 20, 39, 0.92) 0%, rgba(5, 20, 39, 0.3) 60%, rgba(5, 20, 39, 0.15) 100%);
}

.sem-service-card__content {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 24px;
	z-index: 2;
}

.sem-service-card__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background: var(--sem-orange);
	color: var(--sem-white);
	border-radius: 8px;
	margin-bottom: 12px;
}

.sem-service-card__title {
	font-size: 16px;
	font-weight: 700;
	color: var(--sem-white);
	line-height: 1.3;
}

/* ==========================================================================
   Projects
   ========================================================================== */

.sem-projects {
	padding: 100px 0;
	background: var(--sem-navy);
}

.sem-projects__slider-wrap {
	position: relative;
}

.sem-projects__slider {
	display: flex;
	gap: 24px;
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	scroll-behavior: smooth;
	-ms-overflow-style: none;
	scrollbar-width: none;
	padding-bottom: 8px;
}

.sem-projects__slider::-webkit-scrollbar {
	display: none;
}

.sem-project-card {
	flex: 0 0 calc(33.333% - 16px);
	min-width: 300px;
	scroll-snap-align: start;
	background: var(--sem-navy-light);
	border-radius: var(--sem-radius-lg);
	overflow: hidden;
	border: 1px solid rgba(255, 255, 255, 0.06);
	transition: border-color var(--sem-transition);
}

.sem-project-card:hover {
	border-color: rgba(243, 112, 33, 0.3);
}

.sem-project-card__image {
	height: 200px;
	overflow: hidden;
	background: var(--sem-navy-dark);
}

.sem-project-card__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.sem-project-card:hover .sem-project-card__image img {
	transform: scale(1.05);
}

.sem-project-card__body {
	padding: 20px 24px 24px;
}

.sem-project-card__title {
	font-size: 14px;
	font-weight: 700;
	color: var(--sem-white);
	margin-bottom: 6px;
	line-height: 1.45;
}

.sem-project-card__type {
	font-size: 13px;
	color: rgba(255, 255, 255, 0.5);
	margin-bottom: 12px;
}

.sem-project-card__meta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	font-size: 12px;
	color: rgba(255, 255, 255, 0.45);
}

.sem-project-card__meta span {
	display: inline-flex;
	align-items: center;
	gap: 4px;
}

.sem-projects__nav {
	display: flex;
	gap: 12px;
	justify-content: flex-end;
	margin-top: 32px;
}

.sem-slider-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: var(--sem-orange);
	color: var(--sem-white);
	transition: background var(--sem-transition), transform var(--sem-transition);
}

.sem-slider-btn:hover {
	background: var(--sem-orange-hover);
	transform: scale(1.05);
}

.sem-slider-btn--ghost {
	background: transparent;
	border: 1px solid var(--sem-gray-200);
	color: var(--sem-gray-600);
}

.sem-slider-btn--ghost:hover {
	border-color: var(--sem-orange);
	color: var(--sem-orange);
	background: transparent;
}

/* ==========================================================================
   Advantages
   ========================================================================== */

.sem-advantages {
	padding: 100px 0;
	background: var(--sem-white);
}

.sem-advantages__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 48px 40px;
}

.sem-advantage__icon {
	color: var(--sem-navy);
	margin-bottom: 16px;
}

.sem-advantage__title {
	font-size: 16px;
	font-weight: 700;
	color: var(--sem-navy);
	margin-bottom: 8px;
	line-height: 1.3;
}

.sem-advantage__desc {
	font-size: 14px;
	color: var(--sem-gray-600);
	line-height: 1.7;
}

/* ==========================================================================
   Partners
   ========================================================================== */

.sem-partners {
	padding: 80px 0 100px;
	background: var(--sem-gray-100);
	border-top: 1px solid var(--sem-gray-200);
}

.sem-partners__slider-wrap {
	display: flex;
	align-items: center;
	gap: 24px;
}

.sem-partners__slider {
	display: flex;
	gap: 48px;
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	scroll-behavior: smooth;
	flex: 1;
	-ms-overflow-style: none;
	scrollbar-width: none;
	align-items: center;
	padding: 16px 0;
}

.sem-partners__slider::-webkit-scrollbar {
	display: none;
}

.sem-partner {
	flex: 0 0 auto;
	scroll-snap-align: start;
}

.sem-partner__name {
	display: block;
	font-size: 20px;
	font-weight: 700;
	color: var(--sem-gray-400);
	letter-spacing: -0.02em;
	filter: grayscale(1);
	opacity: 0.7;
	transition: opacity var(--sem-transition), color var(--sem-transition);
	white-space: nowrap;
}

.sem-partner:hover .sem-partner__name {
	opacity: 1;
	color: var(--sem-gray-600);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.sem-footer {
	position: relative;
	background: var(--sem-navy);
	color: rgba(255, 255, 255, 0.75);
	padding: 80px 0 0;
	overflow: hidden;
}

.sem-footer__pattern {
	position: absolute;
	inset: 0;
	opacity: 0.04;
	background-image:
		linear-gradient(rgba(255,255,255,0.3) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255,255,255,0.3) 1px, transparent 1px);
	background-size: 40px 40px;
	pointer-events: none;
}

.sem-footer__grid {
	position: relative;
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
	gap: 48px;
	padding-bottom: 48px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sem-footer__desc {
	font-size: 14px;
	line-height: 1.7;
	margin: 20px 0 24px;
	color: rgba(255, 255, 255, 0.55);
}

.sem-footer__social {
	display: flex;
	gap: 12px;
}

.sem-social-link {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border: 1px solid rgba(255, 255, 255, 0.15);
	border-radius: 50%;
	color: rgba(255, 255, 255, 0.6);
	transition: all var(--sem-transition);
}

.sem-social-link:hover {
	border-color: var(--sem-orange);
	color: var(--sem-orange);
}

.sem-footer__heading {
	font-size: 14px;
	font-weight: 700;
	color: var(--sem-white);
	margin-bottom: 20px;
}

.sem-footer__links li {
	margin-bottom: 10px;
}

.sem-footer__links a {
	font-size: 14px;
	color: rgba(255, 255, 255, 0.55);
	transition: color var(--sem-transition);
}

.sem-footer__links a:hover {
	color: var(--sem-orange);
}

.sem-footer__contacts-list {
	margin-bottom: 24px;
}

.sem-footer__contacts-list li {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	font-size: 14px;
	margin-bottom: 12px;
	color: rgba(255, 255, 255, 0.55);
}

.sem-footer__contacts-list svg {
	flex-shrink: 0;
	margin-top: 3px;
	color: var(--sem-orange);
}

.sem-footer__contacts-list a:hover {
	color: var(--sem-orange);
}

.sem-footer__bottom {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 24px 0;
	gap: 16px;
	flex-wrap: wrap;
}

.sem-footer__copy {
	font-size: 13px;
	color: rgba(255, 255, 255, 0.35);
}

.sem-footer__privacy {
	font-size: 13px;
	color: rgba(255, 255, 255, 0.35);
	transition: color var(--sem-transition);
}

.sem-footer__privacy:hover {
	color: var(--sem-orange);
}

/* ==========================================================================
   Modal
   ========================================================================== */

.sem-modal {
	position: fixed;
	inset: 0;
	z-index: 2000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 24px;
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--sem-transition), visibility var(--sem-transition);
}

.sem-modal.is-open {
	opacity: 1;
	visibility: visible;
}

.sem-modal__overlay {
	position: absolute;
	inset: 0;
	background: rgba(5, 20, 39, 0.7);
	backdrop-filter: blur(4px);
}

.sem-modal__dialog {
	position: relative;
	width: 100%;
	max-width: 440px;
	background: var(--sem-white);
	border-radius: var(--sem-radius-lg);
	padding: 40px;
	box-shadow: var(--sem-shadow);
	transform: translateY(20px);
	transition: transform var(--sem-transition);
}

.sem-modal.is-open .sem-modal__dialog {
	transform: translateY(0);
}

.sem-modal__close {
	position: absolute;
	top: 16px;
	right: 16px;
	width: 36px;
	height: 36px;
	font-size: 24px;
	color: var(--sem-gray-400);
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	transition: background var(--sem-transition);
}

.sem-modal__close:hover {
	background: var(--sem-gray-100);
}

.sem-modal__title {
	font-size: 24px;
	font-weight: 700;
	color: var(--sem-navy);
	margin-bottom: 8px;
}

.sem-modal__desc {
	font-size: 14px;
	color: var(--sem-gray-600);
	margin-bottom: 24px;
}

.sem-form__field {
	display: block;
	margin-bottom: 16px;
}

.sem-form__label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: var(--sem-navy);
	margin-bottom: 6px;
}

.sem-form__field input {
	width: 100%;
	padding: 12px 16px;
	font-size: 14px;
	font-family: inherit;
	border: 1px solid var(--sem-gray-200);
	border-radius: var(--sem-radius);
	transition: border-color var(--sem-transition);
}

.sem-form__field input:focus {
	outline: none;
	border-color: var(--sem-orange);
}

/* ==========================================================================
   Inner pages
   ========================================================================== */

.sem-main--inner {
	padding-top: calc(var(--sem-header-height) + 48px);
	padding-bottom: 80px;
}

.sem-article__title {
	font-size: 32px;
	font-weight: 700;
	color: var(--sem-navy);
	margin-bottom: 24px;
}

.sem-article__content {
	font-size: 16px;
	line-height: 1.8;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1100px) {
	.sem-nav__list li a,
	.sem-nav__link {
		padding: 8px 10px;
		font-size: 12px;
	}

	.sem-header__contact-info {
		display: none;
	}

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

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

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

	.sem-project-card {
		flex: 0 0 calc(50% - 12px);
	}
}

@media (max-width: 768px) {
	:root {
		--sem-header-height: 64px;
	}

	.sem-logo__img {
		height: 44px;
		max-width: min(200px, 52vw);
	}

	.sem-nav__toggle {
		display: flex;
	}

	.sem-nav__menu {
		position: fixed;
		top: var(--sem-header-height);
		left: 0;
		right: 0;
		bottom: 0;
		background: var(--sem-navy);
		padding: 24px;
		transform: translateX(100%);
		transition: transform var(--sem-transition);
		overflow-y: auto;
	}

	.sem-nav__menu.is-open {
		transform: translateX(0);
	}

	.sem-nav__list {
		flex-direction: column;
		align-items: stretch;
		gap: 4px;
	}

	.sem-nav__list li a,
	.sem-nav__link {
		padding: 14px 16px;
		font-size: 15px;
	}

	.sem-nav__submenu,
	.sem-nav__list .sub-menu {
		position: static;
		transform: none;
		opacity: 1;
		visibility: visible;
		background: rgba(255, 255, 255, 0.04);
		box-shadow: none;
		min-width: 0;
		padding: 0 0 0 16px;
		display: none;
	}

	.sem-nav__item--has-children.is-open > .sem-nav__submenu,
	.sem-nav__list .menu-item-has-children.is-open > .sub-menu,
	.sem-nav__menu.is-open .sem-nav__item--has-children > .sem-nav__submenu,
	.sem-nav__menu.is-open .menu-item-has-children > .sub-menu {
		display: block;
	}

	.sem-nav__sublink,
	.sem-nav__submenu a,
	.sem-nav__list .sub-menu a {
		color: rgba(255, 255, 255, 0.75);
		padding: 12px 16px;
	}

	.sem-header__contacts .sem-btn {
		display: none;
	}

	.sem-hero__stats-inner {
		grid-template-columns: repeat(2, 1fr);
	}

	.sem-stat {
		padding: 20px 16px;
	}

	.sem-stat:nth-child(2) {
		border-right: none;
	}

	.sem-stat__value {
		font-size: 22px;
	}

	.sem-hero__scroll {
		display: none;
	}

	.sem-hero__content {
		padding-bottom: 200px;
	}

	.sem-services,
	.sem-projects,
	.sem-advantages {
		padding: 64px 0;
	}

	.sem-services__grid {
		grid-template-columns: 1fr;
	}

	.sem-service-card {
		height: 220px;
	}

	.sem-advantages__grid {
		grid-template-columns: 1fr;
		gap: 32px;
	}

	.sem-footer__grid {
		grid-template-columns: 1fr;
		gap: 32px;
	}

	.sem-project-card {
		flex: 0 0 85%;
		min-width: 260px;
	}

	.sem-section-header--split,
	.sem-section-header--dark {
		flex-direction: column;
		align-items: flex-start;
	}
}

@media (max-width: 480px) {
	.sem-hero__stats-inner {
		grid-template-columns: 1fr;
	}

	.sem-stat {
		border-right: none;
		border-bottom: 1px solid rgba(255, 255, 255, 0.06);
	}

	.sem-stat:last-child {
		border-bottom: none;
	}

	.sem-hero__actions {
		flex-direction: column;
	}

	.sem-hero__actions .sem-btn {
		width: 100%;
	}
}