/**
 * custom.css — визуальный стиль сайта abitur.spsu.ru
 * Размещать в: templates/purity_iii/css/custom.css
 * Подключается автоматически через head.php шаблона.
 *
 * Структура:
 *  1. Шрифты
 *  2. CSS-переменные
 *  3. База (body, заголовки)
 *  4. Контейнер и сетка
 *  5. Шапка (navbar)
 *  6. Подвал (footer)
 *  7. Сайдбар (рубрики)
 *  8. Кнопка "наверх"
 *  9. Адаптив
 */

/* ============================================================
   1. ШРИФТЫ
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Geologica:wght@400;600;700;800&family=Mulish:wght@400;500;600&display=swap');


/* ============================================================
   2. CSS-ПЕРЕМЕННЫЕ
   ============================================================ */
:root {
	--pgu-navy:   #0b1f4a;
	--pgu-blue:   #0057b8;
	--pgu-accent: #2b8fff;
	--pgu-white:  #ffffff;
	--pgu-muted:  rgba(255, 255, 255, 0.65);
}


/* ============================================================
   3. БАЗА
   ============================================================ */
body {
	font-family: 'Mulish', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
	font-family: 'Geologica', sans-serif;
}


/* ============================================================
   4. КОНТЕЙНЕР И СЕТКА
   ============================================================ */

/* Глобально — чуть шире стандартного Bootstrap */
@media (min-width: 1200px) {
	.container {
		width: 1380px;
	}
}

/* Главная страница — контент на всю ширину */
.home #t3-mainbody.container {
	width: 100% !important;
	max-width: 100% !important;
	padding-left: 0 !important;
	padding-right: 0 !important;
}

.home #t3-mainbody .row,
.home #t3-mainbody .t3-content {
	margin: 0 !important;
	padding: 0 !important;
	width: 100% !important;
}


/* ============================================================
   5. ШАПКА — #t3-mainnav
   ============================================================ */

/* Фон */
#t3-mainnav.navbar-default {
	background-color: var(--pgu-navy);
	border: none;
	border-radius: 0;
	box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
	margin-bottom: 0;
}

/* Логотип — контейнер без фона */
#t3-mainnav .logo,
#t3-mainnav .logo-image,
#t3-mainnav .logo a,
#t3-mainnav .navbar-header .logo div {
	background: transparent !important;
	background-color: transparent !important;
	border: none !important;
	box-shadow: none !important;
}

/* Логотип — текст */
#t3-mainnav .logo a {
	color: var(--pgu-white);
	font-family: 'Geologica', sans-serif;
	font-weight: 700;
	text-decoration: none;
}
#t3-mainnav .logo a span { color: var(--pgu-white); }
#t3-mainnav .logo a:hover,
#t3-mainnav .logo a:focus {
	text-decoration: none;
	color: var(--pgu-white);
	opacity: 0.85;
}

/* Логотип — изображение (filter убран, т.к. логотип цветной) */
#t3-mainnav .logo-img {
	filter: none;
}

/* Ссылки навигации */
#t3-mainnav .navbar-default .navbar-nav > li > a,
#t3-mainnav .t3-navbar .nav > li > a {
	color: var(--pgu-muted);
	font-family: 'Mulish', sans-serif;
	font-weight: 600;
	font-size: 13.5px;
	transition: color 0.2s;
}
#t3-mainnav .navbar-default .navbar-nav > li > a:hover,
#t3-mainnav .navbar-default .navbar-nav > li > a:focus,
#t3-mainnav .t3-navbar .nav > li > a:hover,
#t3-mainnav .t3-navbar .nav > li > a:focus {
	color: var(--pgu-white);
	background-color: transparent;
}

/* Активный пункт */
#t3-mainnav .navbar-default .navbar-nav > .active > a,
#t3-mainnav .navbar-default .navbar-nav > .active > a:hover,
#t3-mainnav .navbar-default .navbar-nav > .active > a:focus {
	color: var(--pgu-white);
	background-color: rgba(255, 255, 255, 0.1);
}

/* Открытый дропдаун */
#t3-mainnav .navbar-default .navbar-nav > .open > a,
#t3-mainnav .navbar-default .navbar-nav > .open > a:hover,
#t3-mainnav .navbar-default .navbar-nav > .open > a:focus {
	color: var(--pgu-white);
	background-color: rgba(255, 255, 255, 0.08);
}

/* Гамбургер на мобильном */
#t3-mainnav .navbar-default .navbar-toggle {
	border-color: rgba(255, 255, 255, 0.3);
}
#t3-mainnav .navbar-default .navbar-toggle:hover,
#t3-mainnav .navbar-default .navbar-toggle:focus {
	background-color: rgba(255, 255, 255, 0.1);
}
#t3-mainnav .navbar-default .navbar-toggle .icon-bar {
	background-color: var(--pgu-white);
}

/* Мегаменю */
#t3-mainnav .navbar-default .dropdown-menu {
	background-color: var(--pgu-navy);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-top: 2px solid var(--pgu-accent);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
#t3-mainnav .navbar-default .dropdown-menu > li > a {
	color: var(--pgu-muted);
	font-size: 13px;
}
#t3-mainnav .navbar-default .dropdown-menu > li > a:hover {
	color: var(--pgu-white);
	background-color: rgba(255, 255, 255, 0.07);
}


/* ============================================================
   6. ПОДВАЛ — #t3-footer
   ============================================================ */

#t3-footer {
	background-color: var(--pgu-navy);
	border-top: none;
}

/* Социальная панель */
.pgu-footer-social-bar {
	background-color: var(--pgu-navy);
	border-top: 1px solid rgba(255, 255, 255, 0.07);
	padding: 32px 0;
}

.pgu-footer-social-inner {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 32px;
	flex-wrap: wrap;
}

/* Бренд (левая часть) */
.pgu-footer-brand-name {
	font-family: 'Geologica', sans-serif;
	font-weight: 700;
	font-size: 15px;
	color: var(--pgu-white);
	margin-bottom: 4px;
}

.pgu-footer-brand-slogan {
	font-size: 13px;
	color: rgba(255, 255, 255, 0.35);
	font-style: italic;
	margin-bottom: 14px;
}

.pgu-footer-main-link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 13px;
	font-weight: 600;
	color: rgba(255, 255, 255, 0.45);
	text-decoration: none;
	transition: color 0.2s;
}
.pgu-footer-main-link:hover { color: rgba(255, 255, 255, 0.85); }
.pgu-footer-main-link svg { opacity: 0.6; }

/* Контакты (правая часть) */
.pgu-footer-contacts {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 10px;
}

.pgu-footer-contacts-label {
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.07em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.3);
}

.pgu-footer-phone {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-family: 'Geologica', sans-serif;
	font-size: 17px;
	font-weight: 700;
	color: var(--pgu-white);
	text-decoration: none;
	transition: color 0.2s;
}
.pgu-footer-phone:hover { color: var(--pgu-accent); }
.pgu-footer-phone svg { opacity: 0.7; }

.pgu-footer-social-label {
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.07em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.3);
	margin-top: 4px;
}

.pgu-footer-socials {
	display: flex;
	gap: 8px;
}

.pgu-social-link {
	width: 40px;
	height: 40px;
	border-radius: 10px;
	background: rgba(255, 255, 255, 0.07);
	border: 1px solid rgba(255, 255, 255, 0.1);
	display: flex;
	align-items: center;
	justify-content: center;
	text-decoration: none;
	transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.pgu-social-link:hover {
	background: rgba(255, 255, 255, 0.15);
	border-color: rgba(255, 255, 255, 0.25);
	transform: translateY(-3px);
}
.pgu-social-link svg { fill: rgba(255, 255, 255, 0.65); transition: fill 0.2s; }
.pgu-social-link:hover svg { fill: var(--pgu-white); }

/* Копирайт */
#t3-footer .t3-copyright {
	background-color: #070f24;
	padding: 16px 0;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
}
#t3-footer .t3-copyright .copyright {
	color: rgba(255, 255, 255, 0.3);
	font-size: 12.5px;
	line-height: 1.6;
}
#t3-footer .t3-copyright .copyright small {
	font-size: 12px;
	color: rgba(255, 255, 255, 0.3);
	display: block;
	margin-top: 2px;
}
#t3-footer .t3-copyright .copyright a {
	color: rgba(255, 255, 255, 0.45);
	text-decoration: underline;
	text-underline-offset: 2px;
}
#t3-footer .t3-copyright .copyright a:hover { color: rgba(255, 255, 255, 0.75); }


/* ============================================================
   7. САЙДБАР — рубрики (sidebar-2)
   ============================================================ */

.t3-sidebar .module-title {
	font-family: 'Geologica', sans-serif;
	font-size: 15px;
	font-weight: 700;
	color: var(--pgu-navy);
	padding-bottom: 10px;
	border-bottom: 2px solid var(--pgu-accent);
	margin-bottom: 12px;
}
.t3-sidebar .module-title span { color: inherit; }

.t3-sidebar .nav-pills.nav-stacked {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.t3-sidebar .nav-pills.nav-stacked > li > a {
	display: block;
	padding: 9px 14px;
	border-radius: 8px;
	background: #f4f7fb;
	color: var(--pgu-blue);
	font-family: 'Mulish', sans-serif;
	font-weight: 600;
	font-size: 14px;
	text-decoration: none;
	border: 1.5px solid transparent;
	transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}
.t3-sidebar .nav-pills.nav-stacked > li > a:hover {
	background: #e8f2ff;
	border-color: var(--pgu-accent);
	color: var(--pgu-navy);
	transform: translateX(4px);
}

.t3-sidebar .nav-pills.nav-stacked > li.active > a,
.t3-sidebar .nav-pills.nav-stacked > li.current > a {
	background: var(--pgu-blue);
	color: var(--pgu-white);
	border-color: var(--pgu-blue);
}
.t3-sidebar .nav-pills.nav-stacked > li.active > a:hover,
.t3-sidebar .nav-pills.nav-stacked > li.current > a:hover {
	background: var(--pgu-accent);
	border-color: var(--pgu-accent);
	transform: translateX(4px);
}


/* ============================================================
   8. КНОПКА "НАВЕРХ"
   ============================================================ */
#back-to-top .btn-primary {
	background-color: var(--pgu-blue);
	border-color: var(--pgu-blue);
	border-radius: 50%;
	width: 40px;
	height: 40px;
	padding: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 14px rgba(0, 87, 184, 0.4);
	transition: background-color 0.2s, transform 0.2s;
}
#back-to-top .btn-primary:hover {
	background-color: var(--pgu-accent);
	border-color: var(--pgu-accent);
	transform: translateY(-3px);
}


/* ============================================================
   9. АДАПТИВ
   ============================================================ */

/* Мобильная навигация */
@media (max-width: 767px) {
	#t3-mainnav .navbar-default .navbar-collapse {
		background-color: #0d2660;
		border-top: 1px solid rgba(255, 255, 255, 0.08);
	}
	#t3-mainnav .navbar-default .navbar-nav > li > a {
		border-bottom: 1px solid rgba(255, 255, 255, 0.05);
		padding: 12px 16px;
	}
	#t3-mainnav .navbar-default .navbar-nav > li:last-child > a {
		border-bottom: none;
	}
}

/* Футер на мобильном */
@media (max-width: 767px) {
	.pgu-footer-social-inner {
		flex-direction: column;
		align-items: flex-start;
		gap: 24px;
	}
	.pgu-footer-contacts {
		align-items: flex-start;
	}
}