:root {
	--ruslabs-accent: #01bfc5;
	--ruslabs-text: #333;
	--ruslabs-border: #e5e5e5;
}

* { box-sizing: border-box; }

body {
	color: var(--ruslabs-text);
	font-family: "Open Sans", Arial, sans-serif;
	margin: 0;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

a { color: var(--ruslabs-accent); }

.btn, .btn-order {
	display: inline-block;
	background: var(--ruslabs-accent);
	color: #fff;
	border: none;
	border-radius: 4px;
	padding: 10px 20px;
	font-size: 14px;
	cursor: pointer;
	text-decoration: none;
}
.btn-order:hover { background: #019ba0; color: #fff; }

/* Header */
.site-header .header-info {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 20px;
	padding: 16px 20px;
}
.site-header .logo img { max-height: 48px; }
.site-header .description { color: #777; font-size: 13px; max-width: 220px; }
.site-header .phone a { font-size: 18px; font-weight: 600; color: var(--ruslabs-text); text-decoration: none; }
.site-header .header-cta { margin-left: auto; }
.header-menu { background: #f5f7f7; border-top: 1px solid var(--ruslabs-border); border-bottom: 1px solid var(--ruslabs-border); }
.header-menu .nav-links { list-style: none; display: flex; flex-wrap: wrap; gap: 24px; margin: 0; padding: 12px 0; }
.header-menu .nav-links a { color: var(--ruslabs-text); text-decoration: none; font-size: 14px; }
.header-menu .nav-links a:hover { color: var(--ruslabs-accent); }

/* Footer */
.site-footer { margin-top: 60px; background: #222; color: #ccc; padding: 30px 0; }
.site-footer a { color: #fff; margin-right: 20px; }
.site-footer .footer-menu { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 12px; }
.site-footer .footer-copy { font-size: 12px; color: #999; }

/* Breadcrumbs */
.breadcrumbs { font-size: 13px; color: #888; margin: 20px 0; }
.breadcrumbs a { color: #888; text-decoration: none; }
.breadcrumbs a:hover { color: var(--ruslabs-accent); }

/* Hero (front page) */
.hero { text-align: center; padding: 60px 20px; background: #f5f7f7; border-radius: 8px; margin: 20px 0; }
.hero h1 { margin-top: 0; }

/* Category / service grids */
.category-grid, .service-list { list-style: none; margin: 20px 0; padding: 0; display: grid; gap: 12px; }
.category-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.category-grid a {
	display: block;
	padding: 16px;
	background: #fff;
	border: 1px solid var(--ruslabs-border);
	border-radius: 6px;
	text-decoration: none;
	color: var(--ruslabs-text);
}
.category-grid a:hover { border-color: var(--ruslabs-accent); color: var(--ruslabs-accent); }

.service-item {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 16px;
	padding: 16px;
	border: 1px solid var(--ruslabs-border);
	border-radius: 6px;
	margin-bottom: 12px;
}
.service-item__col_1st { flex: 2; min-width: 240px; }
.service-item__col_2nd { flex: 1; min-width: 180px; text-align: right; }
.service-item__pagetitle-link { font-weight: 600; text-decoration: none; color: var(--ruslabs-text); }
.service-item__pagetitle-link:hover { color: var(--ruslabs-accent); }
.service-item__biomaterial, .service-item__deadline { font-size: 13px; color: #777; margin-top: 4px; }
.service-item__price { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.service-item__price-val { color: var(--ruslabs-accent); }

/* Single analysis */
.page-header { margin-top: 0; }
.tabs__switcher { list-style: none; display: flex; gap: 10px; padding: 0; margin: 24px 0 0; border-bottom: 1px solid var(--ruslabs-border); flex-wrap: wrap; }
.tabs__switcher-item { padding: 10px 4px; cursor: pointer; color: #777; border-bottom: 2px solid transparent; }
.tabs__switcher-item.active { color: var(--ruslabs-accent); border-bottom-color: var(--ruslabs-accent); }
.tabs__item { display: none; padding: 20px 0; line-height: 1.6; }
.tabs__item.active { display: block; }
.analysis-cta { margin-top: 40px; padding: 24px; background: #f5f7f7; border-radius: 8px; text-align: center; }

/* Booking popup */
.ruslabs-popup { position: fixed; inset: 0; z-index: 9999; display: none; }
.ruslabs-popup.is-open { display: block; }
.ruslabs-popup__overlay { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.ruslabs-popup__dialog {
	position: relative;
	max-width: 420px;
	margin: 8vh auto;
	background: #fff;
	border-radius: 8px;
	padding: 32px;
	z-index: 1;
}
.ruslabs-popup__close { position: absolute; top: 12px; right: 16px; background: none; border: none; font-size: 24px; line-height: 1; cursor: pointer; color: #999; }
.ruslabs-booking-form__row { margin-bottom: 14px; }
.ruslabs-booking-form__row label { display: block; margin-bottom: 4px; font-size: 13px; color: #666; }
.ruslabs-booking-form__row_consent label { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; color: #888; }
.ruslabs-booking-form input[type="text"],
.ruslabs-booking-form input[type="tel"] {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--ruslabs-border);
	border-radius: 4px;
	font-size: 14px;
}
.ruslabs-booking-form__message { font-size: 13px; min-height: 18px; color: var(--ruslabs-accent); }
body.ruslabs-popup-open { overflow: hidden; }

@media (max-width: 640px) {
	.site-header .header-info { flex-direction: column; align-items: flex-start; }
	.site-header .header-cta { margin-left: 0; }
	.service-item__col_2nd { text-align: left; }
}