/* IALF Theme — main stylesheet */

:root {
	--ialf-primary: #0b3d91;
	--ialf-primary-dark: #082c6b;
	--ialf-secondary: #475569;
	--ialf-accent: #e6a72f;
	--ialf-bg: #ffffff;
	--ialf-surface: #f5f7fa;
	--ialf-border: #e5e7eb;
	--ialf-text: #1f2937;
	--ialf-radius: 6px;
	--ialf-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
	--ialf-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

* { box-sizing: border-box; }

html { font-size: 16px; }
body {
	margin: 0;
	font-family: var(--ialf-font-sans);
	color: var(--ialf-text);
	background: var(--ialf-bg);
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--ialf-primary); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--ialf-accent); outline-offset: 2px; }

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 1.25rem;
}

.screen-reader-text {
	position: absolute !important;
	clip: rect(1px, 1px, 1px, 1px);
	width: 1px; height: 1px;
	overflow: hidden;
}
.screen-reader-text:focus { position: static; clip: auto; width: auto; height: auto; background: #fff; padding: 0.5rem; }

.skip-link {
	position: absolute; top: -40px; left: 0;
	background: var(--ialf-primary); color: #fff;
	padding: 0.5rem 1rem; z-index: 1000;
}
.skip-link:focus { top: 0; }

/* ---------- Header ---------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: #fff;
	box-shadow: var(--ialf-shadow);
}
.site-header__inner {
	display: flex; align-items: center; justify-content: space-between;
	gap: 1rem;
	min-height: 72px;
}
.site-branding .site-title {
	font-weight: 700;
	color: var(--ialf-primary);
	font-size: 1.4rem;
}
.custom-logo { max-height: 54px; width: auto; }

.main-navigation .menu,
.main-navigation ul {
	list-style: none; padding: 0; margin: 0;
	display: flex; gap: 0.25rem; align-items: center;
}
.main-navigation li { position: relative; }
.main-navigation a {
	display: block;
	padding: 0.75rem 1rem;
	color: var(--ialf-text);
	font-weight: 500;
	border-radius: var(--ialf-radius);
}
.main-navigation a:hover,
.main-navigation .current-menu-item > a {
	color: var(--ialf-primary);
	background: var(--ialf-surface);
	text-decoration: none;
}
.main-navigation .sub-menu {
	display: none;
	position: absolute; top: 100%; left: 0;
	background: #fff;
	min-width: 240px;
	box-shadow: var(--ialf-shadow);
	border-radius: var(--ialf-radius);
	padding: 0.5rem 0;
	z-index: 10;
	flex-direction: column;
	gap: 0;
}
.main-navigation li.has-submenu:hover > .sub-menu,
.main-navigation li.has-submenu:focus-within > .sub-menu,
.main-navigation li.has-submenu.is-open > .sub-menu {
	display: flex;
}
.main-navigation .sub-menu a { padding: 0.6rem 1rem; }

.nav-toggle {
	display: none;
	background: transparent; border: 0;
	cursor: pointer;
	width: 44px; height: 44px;
	flex-direction: column; justify-content: center; align-items: center; gap: 4px;
}
.nav-toggle span {
	display: block; width: 24px; height: 2px; background: var(--ialf-text);
	transition: transform 0.2s, opacity 0.2s;
}

/* ---------- Hero carousel ---------- */
.hero-carousel {
	position: relative;
	overflow: hidden;
	background: var(--ialf-primary-dark);
	color: #fff;
	min-height: 480px;
}
.hero-carousel__track {
	list-style: none; padding: 0; margin: 0;
	position: relative;
	height: 100%;
}
.hero-carousel__slide {
	position: absolute; inset: 0;
	opacity: 0; transition: opacity 0.5s ease;
	display: flex; align-items: flex-end;
}
.hero-carousel__slide.is-active { opacity: 1; position: relative; }
.hero-carousel__image {
	position: absolute; inset: 0;
	width: 100%; height: 100%; object-fit: cover;
	filter: brightness(0.6);
}
.hero-carousel__caption {
	position: relative;
	max-width: 800px;
	padding: 2rem 2rem 4rem;
	margin: 0 auto;
}
.hero-carousel__heading {
	font-size: clamp(1.6rem, 3vw, 2.6rem);
	margin: 0 0 0.5rem;
	color: #fff;
}
.hero-carousel__sub { font-size: 1.1rem; margin: 0 0 1rem; }
.hero-carousel__prev,
.hero-carousel__next {
	position: absolute; top: 50%; transform: translateY(-50%);
	background: rgba(0, 0, 0, 0.5); color: #fff;
	border: 0; width: 44px; height: 44px; border-radius: 50%;
	cursor: pointer; font-size: 1rem;
}
.hero-carousel__prev { left: 1rem; }
.hero-carousel__next { right: 1rem; }
.hero-carousel__dots {
	position: absolute; bottom: 1rem; left: 0; right: 0;
	display: flex; justify-content: center; gap: 0.5rem;
	list-style: none; padding: 0; margin: 0;
}
.hero-carousel__dot {
	width: 10px; height: 10px; border-radius: 50%;
	background: rgba(255, 255, 255, 0.5);
	border: 0; padding: 0; cursor: pointer;
}
.hero-carousel__dot.is-active { background: #fff; }

/* ---------- Homepage sections ---------- */
.home-sections {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 2rem;
	padding: 3rem 1.25rem;
}
.home-section {
	background: var(--ialf-surface);
	padding: 1.75rem;
	border-radius: var(--ialf-radius);
}
.home-section__title {
	color: var(--ialf-primary);
	margin-top: 0;
}

/* ---------- Page banner + breadcrumbs ---------- */
.page-banner {
	background: linear-gradient(135deg, var(--ialf-primary), var(--ialf-primary-dark));
	color: #fff;
	padding: 2.5rem 0 2rem;
}
.page-banner__title { margin: 0 0 0.5rem; color: #fff; }
.breadcrumbs {
	font-size: 0.9rem; color: rgba(255, 255, 255, 0.9);
}
.breadcrumbs a { color: #fff; text-decoration: underline; }
.breadcrumbs .sep { margin: 0 0.3rem; opacity: 0.7; }

/* ---------- Forms / buttons ---------- */
.button {
	display: inline-block;
	padding: 0.6rem 1.1rem;
	border-radius: var(--ialf-radius);
	background: var(--ialf-surface);
	border: 1px solid var(--ialf-border);
	color: var(--ialf-text);
	cursor: pointer;
	font: inherit;
	text-decoration: none;
	transition: background 0.15s, color 0.15s;
}
.button:hover, .button:focus { background: #e9ecef; text-decoration: none; }
.button--primary { background: var(--ialf-primary); color: #fff; border-color: var(--ialf-primary); }
.button--primary:hover, .button--primary:focus { background: var(--ialf-primary-dark); color: #fff; }
.button--danger { background: #b91c1c; color: #fff; border-color: #b91c1c; }
.button--danger:hover, .button--danger:focus { background: #7f1d1d; color: #fff; }
.button--small { padding: 0.35rem 0.7rem; font-size: 0.9rem; }

.auth-container, .member-area { padding: 2rem 1.25rem; }
.auth-form { max-width: 480px; }
.auth-form p { display: flex; flex-direction: column; margin: 0 0 1rem; gap: 0.25rem; }
.auth-form label { font-weight: 500; }
.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="url"],
.auth-form input[type="number"],
.auth-form input[type="search"],
.auth-form input[type="file"],
.auth-form textarea,
.auth-form select,
.document-form input[type="text"],
.document-form input[type="email"],
.document-form input[type="url"],
.document-form textarea,
.document-form select,
.document-form input[type="file"] {
	padding: 0.55rem 0.75rem;
	border-radius: var(--ialf-radius);
	border: 1px solid var(--ialf-border);
	font: inherit;
}
.auth-form input:focus,
.document-form input:focus,
.document-form textarea:focus,
.document-form select:focus {
	outline: 3px solid var(--ialf-accent);
	outline-offset: 1px;
	border-color: var(--ialf-primary);
}
.auth-links { font-size: 0.95rem; }
.checkbox-row label { flex-direction: row; display: inline-flex; gap: 0.4rem; align-items: center; }

.notice {
	padding: 0.75rem 1rem; border-radius: var(--ialf-radius);
	margin: 0 0 1.5rem;
}
.notice--error  { background: #fee2e2; color: #7f1d1d; }
.notice--info   { background: #dbeafe; color: #1e3a8a; }
.notice--success { background: #dcfce7; color: #14532d; }

/* ---------- Member area ---------- */
.tabs {
	display: flex; gap: 0.25rem; flex-wrap: wrap;
	border-bottom: 2px solid var(--ialf-border);
	margin-bottom: 2rem;
}
.tabs .tab {
	padding: 0.75rem 1.25rem;
	color: var(--ialf-secondary);
	border-bottom: 2px solid transparent;
	margin-bottom: -2px;
	font-weight: 500;
}
.tabs .tab.is-active {
	color: var(--ialf-primary);
	border-bottom-color: var(--ialf-primary);
	text-decoration: none;
}

.documents {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.95rem;
}
.documents th, .documents td {
	padding: 0.65rem 0.75rem;
	border-bottom: 1px solid var(--ialf-border);
	text-align: left;
	vertical-align: top;
}
.documents th { background: var(--ialf-surface); }
.documents .actions { white-space: nowrap; }

.document-form { max-width: 640px; margin: 0 0 2rem; }
.document-form p { margin: 0 0 1rem; display: flex; flex-direction: column; gap: 0.25rem; }
.document-form--inline { max-width: none; background: #f9fafb; padding: 0.75rem; border: 1px solid var(--ialf-border); border-radius: var(--ialf-radius); margin-top: 0.5rem; }
.document-form--danger { display: inline-block; margin-left: 0.5rem; }
details.row-edit { margin-top: 0.5rem; }
details.row-edit summary { cursor: pointer; color: var(--ialf-primary); }

/* Member picker */
.member-picker { position: relative; display: block; }
.member-picker__input { width: 100%; }
.member-picker__results {
	position: absolute; z-index: 50; top: 100%; left: 0; right: 0;
	background: #fff; border: 1px solid var(--ialf-border);
	border-radius: var(--ialf-radius);
	max-height: 220px; overflow-y: auto;
	box-shadow: var(--ialf-shadow);
	display: block;
}
.member-picker__results[hidden] { display: none; }
.member-picker__result { padding: 0.5rem 0.75rem; cursor: pointer; }
.member-picker__result:hover,
.member-picker__result.is-active { background: var(--ialf-surface); }
.member-picker__selected { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0.5rem 0; }
.chip {
	display: inline-flex; align-items: center; gap: 0.4rem;
	background: var(--ialf-surface); border: 1px solid var(--ialf-border);
	padding: 0.25rem 0.5rem; border-radius: 999px;
	font-size: 0.9rem;
}
.chip__remove { background: transparent; border: 0; cursor: pointer; font-size: 1rem; line-height: 1; }

/* ---------- Directory / member cards ---------- */
.directory-filter { display: flex; gap: 0.5rem; margin: 0 0 1.5rem; flex-wrap: wrap; align-items: center; }
.directory-filter input, .directory-filter select { padding: 0.55rem 0.75rem; border-radius: var(--ialf-radius); border: 1px solid var(--ialf-border); font: inherit; }

.members-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 1.5rem;
}
.member-card {
	background: #fff; border: 1px solid var(--ialf-border);
	border-radius: var(--ialf-radius); overflow: hidden;
	display: flex; flex-direction: column;
	transition: transform 0.15s, box-shadow 0.15s;
}
.member-card:hover { transform: translateY(-2px); box-shadow: var(--ialf-shadow); }
.member-card__link { color: inherit; text-decoration: none; }
.member-card__photo img { width: 100%; height: 200px; object-fit: cover; }
.member-card__placeholder { width: 100%; height: 200px; background: var(--ialf-surface); }
.member-card__name { margin: 1rem 1rem 0.25rem; font-size: 1.05rem; color: var(--ialf-primary); }
.member-card__institution { margin: 0 1rem 0.25rem; color: var(--ialf-secondary); font-size: 0.9rem; }
.member-card__region { margin: 0 1rem 0.5rem; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ialf-accent); }
.member-card__site { margin: 0 1rem 1rem; font-size: 0.9rem; }

.single-member__grid { display: grid; grid-template-columns: 280px 1fr; gap: 2rem; align-items: start; }
.single-member__photo img { border-radius: var(--ialf-radius); }

.post-list { display: grid; gap: 1.5rem; padding: 2rem 0; }
.post-card { background: #fff; border: 1px solid var(--ialf-border); border-radius: var(--ialf-radius); padding: 1.25rem; }
.post-card__title a { color: var(--ialf-primary); }

.page-layout.has-sidebar { display: grid; grid-template-columns: 1fr 300px; gap: 2rem; padding: 2rem 1.25rem; }
.page-layout { padding: 2rem 1.25rem; }

/* ---------- Footer ---------- */
.site-footer {
	background: var(--ialf-primary-dark);
	color: rgba(255, 255, 255, 0.85);
	margin-top: 3rem;
	padding: 2.5rem 0 1rem;
}
.site-footer a { color: #fff; }
.site-footer__top { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; margin-bottom: 1.5rem; }
.site-footer__col .widget { margin-bottom: 1rem; }
.site-footer__bottom { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,0.15); }
.site-footer__menu ul { list-style: none; display: flex; gap: 1rem; padding: 0; margin: 0; }
.site-footer__socials { list-style: none; display: flex; gap: 1rem; padding: 0; margin: 0; }
.site-footer__legal a { margin-left: 0.5rem; }

/* ---------- Profile ---------- */
.profile-layout { display: grid; grid-template-columns: 200px 1fr; gap: 2rem; align-items: start; }
.profile-avatar img { border-radius: 50%; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
	.page-layout.has-sidebar { grid-template-columns: 1fr; }
	.single-member__grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
	.nav-toggle { display: inline-flex; }
	.main-navigation .menu {
		display: none;
		position: absolute; top: 100%; left: 0; right: 0;
		background: #fff;
		flex-direction: column;
		align-items: stretch;
		padding: 1rem;
		box-shadow: var(--ialf-shadow);
	}
	.main-navigation.is-open .menu { display: flex; }
	.main-navigation .sub-menu {
		position: static;
		box-shadow: none;
		padding-left: 1rem;
	}
	.main-navigation li.has-submenu > .sub-menu { display: none; }
	.main-navigation li.has-submenu.is-open > .sub-menu { display: flex; }
	.site-header__inner { position: relative; }
}

@media (max-width: 600px) {
	.profile-layout { grid-template-columns: 1fr; }
	.hero-carousel { min-height: 360px; }
	.hero-carousel__caption { padding-bottom: 3rem; }
	.documents { display: block; overflow-x: auto; }
	.site-footer__bottom { flex-direction: column; align-items: flex-start; }
}