:root {
	--bg: #f6f8fb;
	--surface: #ffffff;
	--surface-soft: #eef4ff;
	--text: #111827;
	--muted: #667085;
	--border: #e5e7eb;
	--primary: #2563eb;
	--primary-dark: #1d4ed8;
	--accent: #10b981;
	--warm: #f59e0b;
	--shadow: 0 18px 50px rgba(17, 24, 39, 0.08);
	--radius: 8px;
	--container: 1180px;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	font-size: 16px;
	line-height: 1.6;
}

a {
	color: inherit;
	text-decoration: none;
}

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

input,
button {
	font: inherit;
}

.container {
	width: min(100% - 32px, var(--container));
	margin: 0 auto;
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(255, 255, 255, 0.92);
	border-bottom: 1px solid var(--border);
	backdrop-filter: blur(16px);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 72px;
	gap: 24px;
}

.site-brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-weight: 800;
	letter-spacing: 0;
}

.brand-mark {
	display: grid;
	width: 36px;
	height: 36px;
	place-items: center;
	border-radius: 10px;
	background: var(--primary);
	color: #fff;
}

.custom-logo {
	max-height: 42px;
	width: auto;
}

.primary-nav {
	display: flex;
	align-items: center;
	gap: 20px;
	color: var(--muted);
	font-size: 14px;
	font-weight: 650;
}

.primary-nav ul,
.site-footer ul {
	display: flex;
	align-items: center;
	gap: 18px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.primary-nav a:hover,
.text-link:hover {
	color: var(--primary);
}

.nav-toggle {
	display: none;
	padding: 10px 12px;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--surface);
	color: var(--text);
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 42px;
	padding: 10px 16px;
	border: 1px solid transparent;
	border-radius: var(--radius);
	font-weight: 750;
	line-height: 1;
	transition: 160ms ease;
}

.button:hover {
	transform: translateY(-1px);
}

.button-primary {
	background: var(--primary);
	color: #fff;
	box-shadow: 0 10px 20px rgba(37, 99, 235, 0.18);
}

.button-primary:hover {
	background: var(--primary-dark);
	color: #fff;
}

.button-secondary {
	background: var(--surface);
	border-color: var(--border);
	color: var(--text);
}

.button-wide {
	width: 100%;
}

.home-hero {
	padding: 80px 0 56px;
	background:
		radial-gradient(circle at 75% 20%, rgba(16, 185, 129, 0.16), transparent 28%),
		linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.hero-grid,
.detail-grid,
.footer-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
	gap: 32px;
	align-items: center;
}

.hero-copy h1,
.page-hero h1,
.tool-detail-hero h1 {
	max-width: 820px;
	margin: 0;
	font-size: clamp(40px, 6vw, 72px);
	line-height: 0.98;
	letter-spacing: 0;
	text-wrap: balance;
}

.hero-copy p,
.page-hero p,
.tool-detail-hero p {
	max-width: 760px;
	color: var(--muted);
	font-size: 18px;
}

.eyebrow {
	margin: 0 0 12px;
	color: var(--primary);
	font-size: 13px;
	font-weight: 800;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.hero-search,
.archive-search {
	display: flex;
	gap: 10px;
	max-width: 720px;
	margin-top: 28px;
	padding: 8px;
	border: 1px solid var(--border);
	border-radius: 12px;
	background: var(--surface);
	box-shadow: var(--shadow);
}

.hero-search input,
.archive-search input {
	flex: 1;
	min-width: 0;
	border: 0;
	outline: 0;
	padding: 0 12px;
	color: var(--text);
}

.hero-links {
	display: flex;
	flex-wrap: wrap;
	gap: 18px;
	margin-top: 20px;
	color: var(--muted);
	font-weight: 700;
}

.hero-panel,
.detail-panel,
.article-card,
.tool-card,
.category-card {
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--surface);
	box-shadow: 0 12px 36px rgba(17, 24, 39, 0.05);
}

.hero-panel {
	padding: 24px;
}

.panel-label {
	display: inline-block;
	margin-bottom: 18px;
	color: var(--accent);
	font-size: 13px;
	font-weight: 850;
	text-transform: uppercase;
}

.hero-panel ul {
	display: grid;
	gap: 12px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.hero-panel li {
	padding: 16px;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: #fbfdff;
}

.hero-panel strong,
.hero-panel span {
	display: block;
}

.hero-panel span {
	color: var(--muted);
	font-size: 14px;
}

.section {
	padding: 56px 0;
}

.section-header {
	display: flex;
	align-items: end;
	justify-content: space-between;
	gap: 24px;
	margin-bottom: 22px;
}

.section-header h2,
.insight-band h2 {
	margin: 0;
	font-size: clamp(28px, 4vw, 42px);
	line-height: 1.08;
	letter-spacing: 0;
}

.text-link {
	color: var(--primary);
	font-weight: 800;
}

.category-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 14px;
}

.category-card {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	padding: 18px;
	font-weight: 800;
	transition: 160ms ease;
}

.category-card small {
	color: var(--muted);
	font-weight: 700;
	white-space: nowrap;
}

.category-card:hover,
.tool-card:hover {
	border-color: rgba(37, 99, 235, 0.35);
	transform: translateY(-2px);
}

.tool-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

.tool-card {
	display: flex;
	flex-direction: column;
	min-height: 100%;
	padding: 18px;
	transition: 160ms ease;
}

.tool-card-main {
	display: grid;
	grid-template-columns: 52px minmax(0, 1fr);
	gap: 14px;
}

.tool-card-logo {
	display: grid;
	width: 52px;
	height: 52px;
	place-items: center;
	overflow: hidden;
	border: 1px solid var(--border);
	border-radius: 12px;
	background: var(--surface-soft);
	color: var(--primary);
	font-weight: 900;
}

.tool-card h3 {
	margin: 0 0 6px;
	font-size: 18px;
	line-height: 1.2;
}

.tool-card p {
	margin: 0;
	color: var(--muted);
	font-size: 14px;
}

.tool-card-meta {
	display: grid;
	gap: 6px;
	margin: 16px 0;
	color: var(--muted);
	font-size: 13px;
}

.term-chips,
.filter-strip {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.chip {
	display: inline-flex;
	align-items: center;
	min-height: 30px;
	padding: 6px 10px;
	border: 1px solid var(--border);
	border-radius: 999px;
	background: var(--surface);
	color: var(--muted);
	font-size: 13px;
	font-weight: 750;
}

.chip-strong {
	background: var(--text);
	color: #fff;
	border-color: var(--text);
}

.tool-card-actions {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
	margin-top: auto;
	padding-top: 18px;
}

.page-hero,
.tool-detail-hero {
	padding: 64px 0;
	background: #fff;
	border-bottom: 1px solid var(--border);
}

.detail-panel {
	padding: 24px;
}

.detail-panel p {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	margin: 0;
	padding: 14px 0;
	border-bottom: 1px solid var(--border);
	color: var(--muted);
}

.detail-panel strong {
	color: var(--text);
}

.detail-logo {
	width: 84px;
	margin-bottom: 18px;
	border-radius: 16px;
}

.prose {
	max-width: 820px;
}

.prose h2 {
	margin-top: 40px;
	font-size: 30px;
	line-height: 1.15;
}

.prose a {
	color: var(--primary);
	font-weight: 750;
}

.content-list {
	display: grid;
	gap: 18px;
}

.article-card {
	padding: 22px;
}

.article-card h2 {
	margin: 0 0 8px;
}

.article-card p {
	color: var(--muted);
}

.insight-band {
	display: grid;
	grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
	gap: 28px;
	align-items: center;
	margin-bottom: 56px;
	padding: 34px;
	border: 1px solid rgba(37, 99, 235, 0.18);
	border-radius: 12px;
	background: #eff6ff;
}

.site-footer {
	padding: 48px 0;
	border-top: 1px solid var(--border);
	background: #101828;
	color: #d0d5dd;
}

.site-footer h2,
.site-footer h3 {
	margin-top: 0;
	color: #fff;
}

.site-footer p,
.site-footer a {
	color: #d0d5dd;
}

.footer-grid {
	align-items: start;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
}

@media (max-width: 920px) {
	.hero-grid,
	.detail-grid,
	.footer-grid,
	.insight-band {
		grid-template-columns: 1fr;
	}

	.category-grid,
	.tool-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 720px) {
	.header-inner {
		min-height: 64px;
	}

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

	.primary-nav {
		position: absolute;
		top: 64px;
		right: 16px;
		left: 16px;
		display: none;
		flex-direction: column;
		align-items: stretch;
		padding: 16px;
		border: 1px solid var(--border);
		border-radius: 12px;
		background: var(--surface);
		box-shadow: var(--shadow);
	}

	.primary-nav.is-open {
		display: flex;
	}

	.primary-nav ul {
		flex-direction: column;
		align-items: stretch;
	}

	.header-cta {
		width: 100%;
	}

	.home-hero {
		padding-top: 48px;
	}

	.hero-search,
	.archive-search,
	.section-header {
		flex-direction: column;
		align-items: stretch;
	}

	.category-grid,
	.tool-grid {
		grid-template-columns: 1fr;
	}

	.tool-card-actions {
		grid-template-columns: 1fr;
	}
}