/* ==========================================================================
   СФК «Investment Finance Group» — design system
   ========================================================================== */

:root{
	--color-primary: #0B4F82;
	--color-primary-dark: #07314F;
	--color-accent: #3B8FD4;
	--color-bg: #F6F8FB;
	--color-surface: #FFFFFF;
	--color-text: #1F2937;
	--color-text-muted: #64748B;
	--color-border: #E4E9F0;

	--radius-sm: 6px;
	--radius-md: 12px;
	--radius-lg: 18px;

	--shadow-sm: 0 1px 3px rgba(16, 33, 56, 0.08);
	--shadow-md: 0 8px 24px rgba(16, 33, 56, 0.10);
	--shadow-lg: 0 16px 40px rgba(16, 33, 56, 0.14);

	--container: 1120px;
	--font: 'Inter', 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body{
	margin: 0;
	padding: 0;
	font-family: var(--font);
	color: var(--color-text);
	background: var(--color-bg);
	-webkit-font-smoothing: antialiased;
}

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

a{
	color: inherit;
}

.container{
	width: 100%;
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 20px;
}

.clearfix{
	clear: both;
}

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

.site-header{
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-border);
}

.site-header .container{
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 72px;
}

.logo{
	font-size: 17px;
	font-weight: 700;
	color: var(--color-primary-dark);
	text-decoration: none;
	line-height: 1.25;
	letter-spacing: -0.01em;
}

.logo span{
	display: block;
	font-size: 11px;
	font-weight: 500;
	color: var(--color-text-muted);
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.nav-toggle{
	display: none;
}

.nav-toggle-label{
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 32px;
	height: 32px;
	cursor: pointer;
}

.nav-toggle-label span{
	display: block;
	height: 2px;
	width: 100%;
	background: var(--color-primary-dark);
	border-radius: 2px;
	transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-menu{
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	gap: 4px;
}

.nav-menu .nav-link{
	display: inline-block;
	padding: 8px 14px;
	border-radius: var(--radius-sm);
	text-decoration: none;
	color: var(--color-text);
	font-size: 14.5px;
	font-weight: 500;
	transition: background 0.2s ease, color 0.2s ease;
}

.nav-menu .nav-link:hover,
.nav-menu .nav-link.is-active{
	background: rgba(11, 79, 130, 0.08);
	color: var(--color-primary);
}

.nav-phone{
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin-left: 6px;
	padding: 8px 14px;
	border-radius: var(--radius-sm);
	border: 1px solid var(--color-border);
	color: var(--color-primary-dark);
	font-size: 14px;
	font-weight: 600;
	text-decoration: none;
	white-space: nowrap;
}

@media (max-width: 879px){
	.nav-toggle-label{
		display: flex;
	}

	.nav-menu{
		position: absolute;
		top: 72px;
		left: 0;
		right: 0;
		flex-direction: column;
		align-items: stretch;
		gap: 2px;
		background: var(--color-surface);
		border-bottom: 1px solid var(--color-border);
		box-shadow: var(--shadow-md);
		padding: 10px;
		display: none;
	}

	.nav-menu .nav-link,
	.nav-phone{
		width: 100%;
		text-align: left;
	}

	.nav-phone{
		margin: 6px 0 0;
	}

	.nav-toggle:checked ~ .nav-menu{
		display: flex;
	}

	.nav-toggle:checked ~ .nav-toggle-label span:nth-child(1){
		transform: translateY(7px) rotate(45deg);
	}

	.nav-toggle:checked ~ .nav-toggle-label span:nth-child(2){
		opacity: 0;
	}

	.nav-toggle:checked ~ .nav-toggle-label span:nth-child(3){
		transform: translateY(-7px) rotate(-45deg);
	}
}

@media (min-width: 880px){
	.nav-menu{
		display: flex !important;
	}
}

/* ==========================================================================
   Hero (home page)
   ========================================================================== */

.hero{
	position: relative;
	background: linear-gradient(180deg, rgba(7, 49, 79, 0.82), rgba(7, 49, 79, 0.88)), url('top-image.jpg') center / cover no-repeat;
	color: #fff;
	padding: 96px 0 88px;
}

.hero-content{
	max-width: 680px;
}

.eyebrow{
	display: inline-block;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: #BFDBFB;
	margin: 0 0 14px;
}

.hero h1{
	font-size: clamp(28px, 4vw, 40px);
	line-height: 1.25;
	font-weight: 700;
	margin: 0 0 18px;
	letter-spacing: -0.01em;
}

.hero p{
	font-size: 16.5px;
	line-height: 1.7;
	color: rgba(255,255,255,0.88);
	margin: 0;
}

/* ==========================================================================
   About / activities summary
   ========================================================================== */

.about-section{
	padding: 72px 0;
}

.section-head{
	max-width: 640px;
	margin: 0 0 40px;
}

.section-head h2{
	font-size: clamp(22px, 3vw, 28px);
	margin: 0 0 12px;
	color: var(--color-primary-dark);
	letter-spacing: -0.01em;
}

.section-head p{
	color: var(--color-text-muted);
	line-height: 1.7;
	margin: 0;
	font-size: 15.5px;
}

.feature-grid{
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 20px;
}

.feature-card{
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: 26px;
	box-shadow: var(--shadow-sm);
}

.feature-card .icon{
	width: 44px;
	height: 44px;
	border-radius: var(--radius-sm);
	background: rgba(11, 79, 130, 0.09);
	color: var(--color-primary);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 18px;
	margin-bottom: 16px;
}

.feature-card h3{
	font-size: 17px;
	margin: 0 0 8px;
	color: var(--color-text);
}

.feature-card p{
	margin: 0;
	color: var(--color-text-muted);
	font-size: 14.5px;
	line-height: 1.65;
}

/* ==========================================================================
   News grid
   ========================================================================== */

.news-section{
	padding: 16px 0 80px;
}

.news-grid{
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 22px;
}

.news-card{
	display: flex;
	flex-direction: column;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: var(--shadow-sm);
	transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.news-card:hover{
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
}

.news-card .card-body{
	padding: 22px 22px 20px;
	flex: 1;
	display: flex;
	flex-direction: column;
}

.news-date{
	display: inline-block;
	font-size: 12.5px;
	font-weight: 600;
	color: var(--color-primary);
	background: rgba(11, 79, 130, 0.08);
	padding: 4px 10px;
	border-radius: 999px;
	margin-bottom: 12px;
	align-self: flex-start;
}

.news-card h3{
	font-size: 16px;
	line-height: 1.4;
	margin: 0 0 10px;
	color: var(--color-text);
}

.news-card p{
	font-size: 14px;
	line-height: 1.6;
	color: var(--color-text-muted);
	margin: 0 0 16px;
	flex: 1;
}

.more-link{
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 13.5px;
	font-weight: 600;
	color: var(--color-primary);
	text-decoration: none;
}

.more-link::after{
	content: '\2192';
	transition: transform 0.2s ease;
}

.more-link:hover::after{
	transform: translateX(3px);
}

/* ==========================================================================
   Page header (inner pages)
   ========================================================================== */

.page-header{
	background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
	color: #fff;
	padding: 56px 0;
}

.page-header .eyebrow{
	color: #BFDBFB;
}

.page-header h1{
	font-size: clamp(22px, 3.4vw, 30px);
	margin: 0;
	letter-spacing: -0.01em;
}

/* ==========================================================================
   Content card (about / detail pages)
   ========================================================================== */

.content-section{
	padding: 48px 0 80px;
}

.content-card{
	max-width: 760px;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-sm);
	padding: 36px;
}

.content-card p{
	font-size: 15.5px;
	line-height: 1.8;
	color: var(--color-text);
	margin: 0 0 16px;
}

.content-card p:last-child{
	margin-bottom: 0;
}

.info-list{
	max-width: 760px;
	margin: 24px 0 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: 1px;
	background: var(--color-border);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	overflow: hidden;
}

@media (min-width: 560px){
	.info-list{
		grid-template-columns: repeat(2, 1fr);
	}
}

.info-list .info-item{
	background: var(--color-surface);
	padding: 20px 22px;
}

.info-list dt{
	font-size: 12.5px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--color-text-muted);
	margin: 0 0 6px;
}

.info-list dd{
	margin: 0;
	font-size: 15px;
	line-height: 1.55;
	color: var(--color-text);
}

.back-link{
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin-top: 24px;
	font-size: 14px;
	font-weight: 600;
	color: var(--color-primary);
	text-decoration: none;
}

.back-link::before{
	content: '\2190';
}

/* ==========================================================================
   Map
   ========================================================================== */

.map-section{
	padding: 0 0 0;
}

.map-box{
	border-top: 1px solid var(--color-border);
	overflow: hidden;
}

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

.site-footer{
	background: var(--color-primary-dark);
	color: rgba(255,255,255,0.85);
	padding: 40px 0;
}

.footer-inner{
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
}

.footer-logo{
	font-size: 15px;
	font-weight: 700;
	color: #fff;
}

.footer-nav{
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	margin: 0;
	padding: 0;
}

.footer-nav a{
	display: inline-block;
	padding: 6px 12px;
	border-radius: var(--radius-sm);
	text-decoration: none;
	color: rgba(255,255,255,0.85);
	font-size: 14px;
	transition: background 0.2s ease;
}

.footer-nav a:hover{
	background: rgba(255,255,255,0.08);
}

.footer-meta{
	font-size: 13px;
	color: rgba(255,255,255,0.55);
}

@media (max-width: 640px){
	.footer-inner{
		flex-direction: column;
		align-items: flex-start;
	}

	.content-card{
		padding: 24px;
	}

	.hero{
		padding: 64px 0 56px;
	}

	.about-section,
	.news-section{
		padding-top: 48px;
		padding-bottom: 48px;
	}
}