:root {
	color-scheme: light;
	--color-bg: #f5f7fb;
	--color-surface: #ffffff;
	--color-text: #1f2933;
	--color-muted: #52606d;
	--color-border: #d7deec;
	--color-primary: #2563eb;
	--color-primary-dark: #1d4ed8;
	--color-accent: #dc2626;
	--color-accent-dark: #b91c1c;
	--shadow-soft: 0 1.5rem 3rem rgba(15, 23, 42, 0.08);
	--radius-sm: 0.4rem;
	--radius-md: 0.75rem;
	--radius-lg: 1.25rem;
	--transition: 220ms ease;
	--color-card-base: rgba(255, 255, 255, 0.92);
	--color-card-highlight: rgba(248, 250, 255, 0.92);
	--color-card-border: rgba(148, 163, 184, 0.25);
}

[data-theme='dark'] {
	color-scheme: dark;
	--color-bg: #0f172a;
	--color-surface: #111c34;
	--color-text: #f1f5f9;
	--color-muted: #c7d2fe;
	--color-border: #1f2a44;
	--color-primary: #60a5fa;
	--color-primary-dark: #3b82f6;
	--color-accent: #f87171;
	--color-accent-dark: #ef4444;
	--shadow-soft: 0 1.5rem 3rem rgba(8, 15, 32, 0.45);
	--color-card-base: rgba(46, 60, 92, 0.92);
	--color-card-highlight: rgba(25, 35, 58, 0.92);
	--color-card-border: rgba(99, 102, 241, 0.45);
}

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

html,
body {
	min-height: 100%;
}

body {
	margin: 0;
	font-family: 'Roboto', sans-serif;
	background: var(--color-bg);
	color: var(--color-text);
	line-height: 1.65;
	transition: background var(--transition), color var(--transition);
	display: flex;
	flex-direction: column;
}

main {
	flex: 1 0 auto;
	padding: clamp(2rem, 3vw, 3rem) 1.5rem 4rem;
}

a {
	color: var(--color-primary);
	text-decoration: none;
}

a:hover,
a:focus-visible {
	color: var(--color-primary-dark);
}

button {
	font: inherit;
	color: inherit;
}

:focus-visible {
	outline: 3px solid var(--color-primary);
	outline-offset: 3px;
}

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

.skip-link {
	position: absolute;
	top: -4rem;
	left: 1rem;
	padding: 0.6rem 1rem;
	border-radius: var(--radius-sm);
	background: var(--color-primary);
	color: #fff;
	font-weight: 600;
	transition: top var(--transition);
	z-index: 1000;
}

.skip-link:focus-visible {
	top: 1rem;
}

header {
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-border);
	box-shadow: 0 0.35rem 1.5rem rgba(15, 23, 42, 0.06);
	transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.navbar {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	margin: 0 auto;
	max-width: 1100px;
	padding: 1.15rem 1.5rem;
}

.logo {
	font-weight: 700;
	font-size: 1.35rem;
	letter-spacing: 0.04em;
}

.nav-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 2.75rem;
	height: 2.75rem;
	border: 1px solid var(--color-border);
	border-radius: 50%;
	background: transparent;
	cursor: pointer;
	transition: background var(--transition), border-color var(--transition);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
	background: rgba(37, 99, 235, 0.08);
	border-color: var(--color-primary);
}

.nav-links {
	list-style: none;
	display: flex;
	align-items: center;
	gap: 1.5rem;
	margin: 0;
	padding: 0;
}

.nav-links a {
	display: inline-flex;
	align-items: center;
	padding: 0.35rem 0;
	font-weight: 500;
	color: var(--color-text);
	border-bottom: 2px solid transparent;
	transition: color var(--transition), border-color var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
	color: var(--color-primary);
	border-color: rgba(37, 99, 235, 0.35);
}

.nav-links a.active,
.nav-links a[aria-current='page'] {
	color: var(--color-primary);
	border-color: var(--color-primary);
}

.nav-actions {
	display: flex;
	align-items: center;
	gap: 0.85rem;
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	padding: 0.65rem 1.35rem;
	border-radius: 999px;
	border: none;
	font-weight: 600;
	cursor: pointer;
	background: var(--color-primary);
	color: #fff;
	transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
	text-decoration: none;
}

.btn:hover,
.btn:focus-visible {
	background: var(--color-primary-dark);
	box-shadow: 0 0.75rem 1.5rem rgba(37, 99, 235, 0.25);
	transform: translateY(-1px);
}

.btn-donate {
	background: var(--color-accent);
}

.btn-donate:hover,
.btn-donate:focus-visible {
	background: var(--color-accent-dark);
}

.theme-toggle {
	border: 1px solid var(--color-border);
	border-radius: 50%;
	width: 2.75rem;
	height: 2.75rem;
	background: transparent;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 1.1rem;
	transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
	border-color: var(--color-primary);
	background: rgba(37, 99, 235, 0.08);
	transform: rotate(-12deg);
}

h1 {
	font-size: clamp(2.1rem, 4vw, 2.8rem);
	margin: 0 auto clamp(1.5rem, 3vw, 2.5rem);
	max-width: 1100px;
	padding: 0 1.5rem;
	font-weight: 700;
}

main > section {
	max-width: 1100px;
	margin: 0 auto clamp(3rem, 4vw, 4.5rem);
	background: var(--color-surface);
	border-radius: var(--radius-lg);
	border: 1px solid transparent;
	padding: clamp(1.75rem, 3vw, 2.75rem);
	box-shadow: var(--shadow-soft);
	transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

main > section:has(.plain-language-summary) {
	border-color: rgba(37, 99, 235, 0.06);
}

section h2 {
	margin-top: 0;
	margin-bottom: 1rem;
	font-size: clamp(1.6rem, 3vw, 2.2rem);
}

section p {
	margin: 0 0 1.1rem;
	color: var(--color-muted);
}

#welcome {
	text-align: center;
}

#welcome p {
	margin-bottom: 1.4rem;
}

#slideshow {
	position: relative;
	overflow: hidden;
	border-radius: var(--radius-lg);
	margin: clamp(2rem, 3vw, 3rem) auto 0;
	max-width: 1100px;
	min-height: clamp(18rem, 40vw, 24rem);
 	background: #000;
 	padding: 0;
 	border: none;
}

#slideshow .slide {
	position: absolute;
	inset: 0;
	opacity: 0;
	transition: opacity 600ms ease;
	object-fit: cover;
	width: 100%;
	height: 100%;
}

#slideshow .slide.is-active {
	opacity: 1;
}

.plain-language-summary {
	font-weight: 500;
	color: var(--color-text);
	background: rgba(37, 99, 235, 0.08);
	border-radius: var(--radius-md);
	padding: 1rem 1.2rem;
	margin-bottom: 1.3rem;
}

.cta-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	margin-top: 1.5rem;
}

.cta-actions .btn {
	min-width: 11rem;
}

.policy-item {
	border-bottom: 1px solid rgba(209, 213, 219, 0.35);
	padding-bottom: 1.75rem;
	margin-bottom: 1.75rem;
}

.policy-item:last-of-type {
	border-bottom: none;
	margin-bottom: 0;
	padding-bottom: 0;
}

.policy-item h3 {
	margin: 0 0 0.75rem;
}

.policy-item.collapsible h3 {
	margin-bottom: 0;
}

.policy-item h3 button {
	width: 100%;
	background: none;
	border: none;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0.75rem 0;
	font-weight: 700;
	font-size: 1.05rem;
	cursor: pointer;
	color: var(--color-text);
	transition: color var(--transition);
}

.policy-item h3 button:hover,
.policy-item h3 button:focus-visible {
	color: var(--color-primary);
}

.policy-item .toggle-icon {
	font-size: 1.35rem;
	transition: transform var(--transition);
}

.policy-item:not(.collapsed) .toggle-icon {
	transform: rotate(45deg);
}

.policy-content {
	overflow: hidden;
	max-height: 1000px;
	transition: max-height 400ms ease, opacity 260ms ease;
	opacity: 1;
	padding-top: 1rem;
}

.policy-item.collapsed .policy-content {
	max-height: 0;
	opacity: 0;
	padding-top: 0;
}

.policy-content ul {
	margin: 0 0 1.1rem 1.25rem;
	padding: 0;
}

.policy-content li {
	margin-bottom: 0.6rem;
}

footer {
	background: var(--color-surface);
	border-top: 1px solid var(--color-border);
	text-align: center;
	padding: 1.75rem 1.5rem;
	font-size: 0.95rem;
	transition: background var(--transition), border-color var(--transition), color var(--transition);
}

#back-to-top {
	position: fixed;
	right: 1.5rem;
	bottom: 1.5rem;
	width: 3rem;
	height: 3rem;
	border-radius: 50%;
	border: none;
	background: var(--color-primary);
	color: #fff;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 1.35rem;
	cursor: pointer;
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--transition), transform var(--transition), visibility var(--transition), background var(--transition);
	box-shadow: 0 0.85rem 1.65rem rgba(37, 99, 235, 0.3);
	z-index: 900;
}

#back-to-top.visible {
	opacity: 1;
	visibility: visible;
	transform: translateY(-0.5rem);
}

#back-to-top:hover,
#back-to-top:focus-visible {
	background: var(--color-primary-dark);
}

.info-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 1.5rem;
	margin-top: 2rem;
}

.info-card {
	padding: 1.5rem;
	border-radius: var(--radius-md);
	border: 1px solid var(--color-card-border);
	background: linear-gradient(180deg, var(--color-card-base), var(--color-card-highlight));
	transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.info-card:hover,
.info-card:focus-within {
	transform: translateY(-4px);
	border-color: rgba(37, 99, 235, 0.35);
	box-shadow: 0 1.4rem 2.8rem rgba(15, 23, 42, 0.14);
}

@media (max-width: 900px) {
	.nav-actions {
		gap: 0.65rem;
	}

	.btn {
		padding: 0.6rem 1.15rem;
	}
}

@media (max-width: 768px) {
	.navbar {
		align-items: flex-start;
	}

	.nav-toggle {
		display: inline-flex;
	}

	.nav-links {
		position: absolute;
		top: calc(100% + 0.5rem);
		right: 1.5rem;
		left: 1.5rem;
		flex-direction: column;
		align-items: flex-start;
		gap: 0.6rem;
		padding: 1rem 1.25rem;
		border-radius: var(--radius-md);
		background: var(--color-surface);
		border: 1px solid var(--color-border);
		box-shadow: var(--shadow-soft);
		display: none;
	}

	.navbar.is-open .nav-links {
		display: flex;
	}

	.nav-links a {
		width: 100%;
	}

	.nav-actions {
		margin-left: auto;
	}

	.nav-actions .btn {
		padding: 0.55rem 1.1rem;
	}

	main {
		padding-inline: 1.25rem;
	}

	main > section {
		padding: 1.5rem;
	}
}

@media (max-width: 540px) {
	#slideshow {
		min-height: 15rem;
	}

	h1 {
		font-size: clamp(1.9rem, 8vw, 2.25rem);
	}

	.nav-actions {
		gap: 0.45rem;
	}

	.btn-donate {
		padding-inline: 1rem;
	}

	#back-to-top {
		right: 1rem;
		bottom: 1rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}

	#slideshow .slide {
		transition: none;
	}
}