/* Rankeez design system — data-instrument aesthetic: confident type, signal-green
   rank readouts, tabular numerals. Fully responsive, light + dark. */

:root {
	--color-bg: #ffffff;
	--color-bg-alt: #f7f6f2;
	--color-bg-raised: #ffffff;
	--color-border: #e6e3db;
	--color-text: #14151a;
	--color-text-muted: #63666f;
	--color-primary: #4338ca;
	--color-primary-dark: #362d9e;
	--color-primary-bg: #eeecfc;
	--color-accent: #059669;
	--color-accent-bg: #e7f8f1;
	--color-success: #0f9d58;
	--color-success-bg: #e9f9f1;
	--color-warning: #b5730a;
	--color-warning-bg: #fdf3e0;
	--color-danger: #c0392b;
	--color-danger-bg: #fbeae8;

	--radius-sm: 8px;
	--radius: 12px;
	--radius-lg: 18px;
	--shadow-sm: 0 1px 2px rgba(20, 20, 30, 0.06);
	--shadow-md: 0 6px 20px rgba(20, 20, 30, 0.08);
	--shadow-lg: 0 16px 40px rgba(20, 20, 30, 0.14);

	--font-display: "Space Grotesk", var(--font-sans);
	--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

	color-scheme: light;
}

@media (prefers-color-scheme: dark) {
	:root {
		--color-bg: #0b0d13;
		--color-bg-alt: #12141c;
		--color-bg-raised: #171a24;
		--color-border: #262a38;
		--color-text: #eceef4;
		--color-text-muted: #9298a8;
		--color-primary: #8b87f0;
		--color-primary-dark: #a6a3f5;
		--color-primary-bg: #211f3d;
		--color-accent: #34d399;
		--color-accent-bg: #0f2a22;
		--color-success: #34d399;
		--color-success-bg: #0f2a22;
		--color-warning: #f0b64f;
		--color-warning-bg: #332409;
		--color-danger: #f0776b;
		--color-danger-bg: #33130f;
		--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
		--shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
		--shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
		color-scheme: dark;
	}
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
	font-family: var(--font-sans);
	color: var(--color-text);
	background: var(--color-bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	line-height: 1.5;
	transition: background-color 0.2s ease, color 0.2s ease;
}

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

.rk-container {
	max-width: 1080px;
	margin: 0 auto;
	padding: 0 20px;
}

/* ============ Nav ============ */
.rk-nav {
	position: sticky;
	top: 0;
	z-index: 50;
	border-bottom: 1px solid var(--color-border);
	background: color-mix(in srgb, var(--color-bg) 88%, transparent);
	backdrop-filter: blur(10px);
	-webkit-backdrop-filter: blur(10px);
}
.rk-nav-inner {
	max-width: 1080px;
	margin: 0 auto;
	padding: 14px 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	position: relative;
}
.rk-logo {
	display: flex;
	align-items: center;
	gap: 9px;
	font-family: var(--font-display);
	font-weight: 700;
	font-size: 1.2rem;
	color: var(--color-text);
	letter-spacing: -0.01em;
}
.rk-logo img { height: 28px; width: 28px; border-radius: 6px; }
.rk-logo:hover { text-decoration: none; }
.rk-nav-links {
	display: flex;
	align-items: center;
	gap: 28px;
}
.rk-nav-links a {
	color: var(--color-text-muted);
	font-size: 0.92rem;
	font-weight: 500;
	position: relative;
	padding: 4px 0;
}
.rk-nav-links a:hover { color: var(--color-primary); text-decoration: none; }
.rk-nav-links a::after {
	content: "";
	position: absolute;
	left: 0; right: 100%;
	bottom: -2px;
	height: 2px;
	background: var(--color-primary);
	transition: right 0.18s ease;
}
.rk-nav-links a:hover::after { right: 0; }

.rk-nav-toggle-input { display: none; }
.rk-nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 34px;
	height: 34px;
	cursor: pointer;
	border-radius: var(--radius-sm);
}
.rk-nav-toggle span {
	display: block;
	height: 2px;
	width: 100%;
	background: var(--color-text);
	border-radius: 2px;
	transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ============ Hero ============ */
.rk-hero {
	position: relative;
	padding: 72px 0 48px;
	text-align: center;
	overflow: hidden;
}
.rk-hero::before {
	content: "";
	position: absolute;
	inset: -20% -10% auto -10%;
	height: 420px;
	background:
		radial-gradient(closest-side, color-mix(in srgb, var(--color-primary) 16%, transparent), transparent),
		radial-gradient(closest-side at 80% 20%, color-mix(in srgb, var(--color-accent) 14%, transparent), transparent);
	filter: blur(10px);
	z-index: -1;
	pointer-events: none;
}
.rk-hero h1 {
	font-family: var(--font-display);
	font-size: clamp(1.9rem, 4.2vw, 3rem);
	font-weight: 700;
	margin-bottom: 14px;
	letter-spacing: -0.03em;
	line-height: 1.1;
}
.rk-hero p.rk-sub {
	color: var(--color-text-muted);
	font-size: clamp(0.98rem, 1.6vw, 1.1rem);
	max-width: 640px;
	margin: 0 auto 28px;
}
.rk-stats-inline {
	display: inline-flex;
	gap: 10px;
	flex-wrap: wrap;
	justify-content: center;
	margin-bottom: 36px;
}
.rk-stats-inline span {
	font-size: 0.82rem;
	color: var(--color-text-muted);
	background: var(--color-bg-alt);
	border: 1px solid var(--color-border);
	padding: 6px 14px;
	border-radius: 999px;
}
.rk-stats-inline b {
	color: var(--color-text);
	font-family: var(--font-mono);
	font-variant-numeric: tabular-nums;
}

/* ============ Search form ============ */
.rk-search-form {
	max-width: 580px;
	margin: 0 auto;
}
.rk-search-row {
	display: flex;
	gap: 0;
	box-shadow: var(--shadow-md);
	border-radius: var(--radius);
	border: 1px solid var(--color-border);
	background: var(--color-bg-raised);
	transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.rk-search-row:focus-within {
	border-color: var(--color-primary);
	box-shadow: var(--shadow-lg), 0 0 0 4px var(--color-primary-bg);
}
.rk-search-row input[type="text"],
.rk-search-row input[type="input"] {
	flex: 1;
	min-width: 0;
	padding: 16px 18px;
	font-size: 1rem;
	font-family: var(--font-sans);
	background: transparent;
	color: var(--color-text);
	border: none;
	border-radius: var(--radius) 0 0 var(--radius);
	outline: none;
}
.rk-search-row input::placeholder { color: var(--color-text-muted); }
.rk-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 14px 24px;
	background: var(--color-primary);
	color: #fff;
	border: none;
	border-radius: 0 var(--radius) var(--radius) 0;
	font-weight: 600;
	font-size: 1rem;
	cursor: pointer;
	transition: background-color 0.15s ease, transform 0.1s ease;
	white-space: nowrap;
}
.rk-btn:hover { background: var(--color-primary-dark); text-decoration: none; color: #fff; }
.rk-btn:active { transform: scale(0.98); }
.rk-btn-outline {
	display: inline-block;
	padding: 10px 18px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	color: var(--color-text);
	font-weight: 600;
	font-size: 0.9rem;
	background: var(--color-bg-raised);
	transition: border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.rk-btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; transform: translateY(-1px); }

/* ============ Forms (contact, admin) ============ */
.rk-form { display: flex; flex-direction: column; gap: 16px; margin-top: 20px; }
.rk-form label { display: flex; flex-direction: column; gap: 6px; font-size: 0.88rem; font-weight: 600; color: var(--color-text); }
.rk-form input[type="text"],
.rk-form input[type="email"],
.rk-form input[type="password"],
.rk-form textarea,
.rk-form select {
	padding: 12px 14px;
	font-size: 1rem;
	font-weight: 400;
	font-family: var(--font-sans);
	background: var(--color-bg-raised);
	color: var(--color-text);
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	outline: none;
}
.rk-form input:focus, .rk-form textarea:focus, .rk-form select:focus {
	border-color: var(--color-primary);
	box-shadow: 0 0 0 4px var(--color-primary-bg);
}
.rk-form textarea { resize: vertical; min-height: 120px; font-family: var(--font-sans); }
.rk-form button.rk-btn { border-radius: var(--radius); align-self: flex-start; }

/* ============ Result cards ============ */
.rk-result {
	max-width: 580px;
	margin: 28px auto 0;
	padding: 28px 24px;
	border-radius: var(--radius-lg);
	text-align: center;
	box-shadow: var(--shadow-sm);
}
.rk-result-success { background: var(--color-accent-bg); border: 1px solid color-mix(in srgb, var(--color-accent) 35%, var(--color-border)); }
.rk-result-warning { background: var(--color-warning-bg); border: 1px solid color-mix(in srgb, var(--color-warning) 35%, var(--color-border)); }
.rk-result-danger  { background: var(--color-danger-bg);  border: 1px solid color-mix(in srgb, var(--color-danger) 35%, var(--color-border)); }
.rk-result .rk-rank-number {
	font-family: var(--font-mono);
	font-variant-numeric: tabular-nums;
	font-size: 3rem;
	font-weight: 700;
	color: var(--color-accent);
	letter-spacing: -0.02em;
	line-height: 1;
}
.rk-result p { margin: 10px 0 0; color: var(--color-text); }

pre.rk-code {
	text-align: left;
	background: #0b0e14;
	color: #d7dbe6;
	padding: 16px 18px;
	border-radius: var(--radius);
	font-family: var(--font-mono);
	font-size: 0.82rem;
	overflow-x: auto;
	margin-top: 16px;
	box-shadow: var(--shadow-sm);
	border: 1px solid #1c2130;
}

/* ============ Content sections ============ */
.rk-section { padding: 44px 0; }
.rk-section h2 {
	font-family: var(--font-display);
	font-size: clamp(1.35rem, 2.4vw, 1.7rem);
	font-weight: 700;
	margin-bottom: 18px;
	letter-spacing: -0.01em;
}
.rk-section h3 {
	font-family: var(--font-display);
	font-size: 1.12rem;
	font-weight: 700;
	margin: 26px 0 10px;
}
.rk-section p, .rk-section li { color: var(--color-text-muted); line-height: 1.7; }
.rk-section a { font-weight: 500; }

.rk-card {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	padding: 26px;
	background: var(--color-bg-raised);
	box-shadow: var(--shadow-sm);
	transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.rk-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-md);
	border-color: color-mix(in srgb, var(--color-primary) 30%, var(--color-border));
}
.rk-card-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
	gap: 18px;
	margin: 22px 0;
}

/* ============ Tables ============ */
.rk-table-wrap {
	overflow-x: auto;
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	box-shadow: var(--shadow-sm);
	-webkit-overflow-scrolling: touch;
}

.rk-chart {
	width: 100%;
	height: auto;
	overflow: visible;
}
.rk-chart-grid { stroke: var(--color-border); stroke-width: 1; shape-rendering: crispEdges; }
.rk-chart-area { fill: var(--color-primary); opacity: 0.1; stroke: none; }
.rk-chart-line { fill: none; stroke: var(--color-primary); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.rk-chart-dot { fill: var(--color-primary); stroke: var(--color-bg-raised); stroke-width: 2; transition: r 0.12s ease; }
.rk-chart-dot-best { fill: var(--color-accent); }
.rk-chart-dot-hover { r: 6; }
.rk-chart-hit { fill: transparent; cursor: pointer; outline: none; }
.rk-chart-hit:focus-visible { fill: color-mix(in srgb, var(--color-primary) 12%, transparent); }
.rk-chart-label { font-family: "JetBrains Mono", monospace; font-size: 12px; font-weight: 600; fill: var(--color-text); }
.rk-chart-label-muted { font-weight: 400; fill: var(--color-text-muted); }
.rk-chart-delta { font-size: 0.85rem; font-weight: 600; }
.rk-chart-delta-up { color: var(--color-success); }
.rk-chart-delta-down { color: var(--color-danger); }
.rk-chart-tooltip {
	position: fixed;
	z-index: 40;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 1px;
	padding: 7px 11px;
	border-radius: var(--radius-sm);
	background: var(--color-text);
	color: var(--color-bg);
	font-family: var(--font-mono);
	font-size: 0.8rem;
	line-height: 1.35;
	pointer-events: none;
	box-shadow: var(--shadow-md);
	white-space: nowrap;
}
.rk-chart-tooltip[hidden] { display: none; }
.rk-chart-tooltip strong { font-weight: 700; font-variant-numeric: tabular-nums; }
.rk-chart-tooltip span { color: color-mix(in srgb, var(--color-bg) 65%, transparent); font-size: 0.72rem; }
table.rk-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.92rem;
	min-width: 420px;
}
table.rk-table th {
	text-align: left;
	padding: 13px 16px;
	background: var(--color-bg-alt);
	color: var(--color-text-muted);
	font-weight: 600;
	font-size: 0.76rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	border-bottom: 1px solid var(--color-border);
	position: sticky;
	top: 0;
}
table.rk-table td {
	padding: 13px 16px;
	border-bottom: 1px solid var(--color-border);
	font-variant-numeric: tabular-nums;
}
table.rk-table tr:last-child td { border-bottom: none; }
table.rk-table tr:hover td { background: var(--color-bg-alt); }
.rk-rank-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 3em;
	padding: 3px 8px;
	font-family: var(--font-mono);
	font-weight: 700;
	font-size: 0.86rem;
	color: var(--color-text-muted);
	background: var(--color-bg-alt);
	border-radius: 999px;
}
table.rk-table .rk-favicon {
	width: 20px;
	height: 20px;
	border-radius: 5px;
}

/* ============ /site/ domain page ============ */
.rk-breadcrumb {
	font-size: 0.82rem;
	color: var(--color-text-muted) !important;
	margin-bottom: 6px;
}
.rk-breadcrumb a { color: var(--color-text-muted); font-weight: 400; }
.rk-breadcrumb a:hover { color: var(--color-primary); }
.rk-breadcrumb span { margin: 0 4px; opacity: 0.6; }

.rk-site-heading {
	display: flex;
	align-items: center;
	gap: 12px;
	word-break: break-word;
}
.rk-favicon {
	width: 32px;
	height: 32px;
	border-radius: 8px;
	background: var(--color-bg-alt);
	border: 1px solid var(--color-border);
	flex-shrink: 0;
}

.rk-hero-card {
	text-align: center;
	margin: 20px 0;
	background:
		radial-gradient(closest-side at 15% 0%, color-mix(in srgb, var(--color-primary) 10%, transparent), transparent),
		var(--color-bg-raised);
}
.rk-percentile {
	margin-top: 10px;
	font-size: 0.88rem;
	color: var(--color-text-muted);
}
.rk-percentile b { color: var(--color-accent); font-variant-numeric: tabular-nums; }

.rk-new-badge {
	display: inline-block;
	font-size: 0.76rem;
	font-weight: 600;
	color: var(--color-warning);
	background: var(--color-warning-bg);
	border: 1px solid color-mix(in srgb, var(--color-warning) 35%, var(--color-border));
	padding: 4px 12px;
	border-radius: 999px;
	margin-bottom: 14px;
}
.rk-rank-provisional {
	color: var(--color-warning) !important;
	opacity: 0.9;
}

.rk-analysis-notice {
	margin-top: 12px;
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--color-warning);
	background: var(--color-warning-bg);
	border: 1px solid color-mix(in srgb, var(--color-warning) 35%, var(--color-border));
	border-radius: 8px;
	padding: 8px 14px;
	display: inline-block;
}

.rk-stat-tiles { margin: 18px 0 22px; }
.rk-stat-tile {
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 18px 20px;
}
.rk-stat-label {
	font-size: 0.72rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--color-text-muted);
}
.rk-stat-value {
	font-family: var(--font-mono);
	font-variant-numeric: tabular-nums;
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--color-text);
}
.rk-stat-sub { font-size: 0.8rem; color: var(--color-text-muted); }

.rk-related-card {
	display: block;
	color: var(--color-text);
}
.rk-related-card:hover { text-decoration: none; }
.rk-related-kicker {
	display: block;
	font-size: 0.72rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--color-accent);
	margin-bottom: 8px;
}
.rk-related-card h4 {
	font-family: var(--font-display);
	font-size: 1rem;
	font-weight: 700;
	margin: 0 0 6px;
	color: var(--color-primary);
	line-height: 1.3;
}
.rk-related-card p { margin: 0; font-size: 0.88rem; }
.rk-teaser-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-top: 12px;
}
.rk-teaser-chip {
	font-size: 0.76rem;
	color: var(--color-text-muted);
	background: var(--color-bg-alt);
	border: 1px solid var(--color-border);
	padding: 4px 10px;
	border-radius: 999px;
	font-variant-numeric: tabular-nums;
}

/* ============ Pagination ============ */
.rk-pagination {
	display: flex;
	gap: 8px;
	justify-content: center;
	align-items: center;
	margin: 32px 0;
	flex-wrap: wrap;
}
.rk-pagination a, .rk-pagination span {
	padding: 9px 15px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	font-size: 0.88rem;
	color: var(--color-text);
	font-family: var(--font-mono);
}
.rk-pagination a { background: var(--color-bg-raised); transition: border-color 0.15s ease, color 0.15s ease; }
.rk-pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.rk-pagination .rk-current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); font-weight: 600; }

/* ============ Footer ============ */
.rk-footer {
	border-top: 1px solid var(--color-border);
	margin-top: 64px;
	padding: 34px 0;
	background: var(--color-bg-alt);
}
.rk-footer-inner {
	max-width: 1080px;
	margin: 0 auto;
	padding: 0 20px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-wrap: wrap;
	gap: 18px;
	font-size: 0.85rem;
	color: var(--color-text-muted);
}
.rk-footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.rk-footer-links a { color: var(--color-text-muted); font-weight: 500; }
.rk-footer-links a:hover { color: var(--color-primary); text-decoration: none; }

/* ============================================================
   Responsive
   ============================================================ */

/* Tablet */
@media (max-width: 860px) {
	.rk-hero { padding: 56px 0 40px; }
	.rk-section { padding: 36px 0; }
	.rk-card-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}

/* Nav collapses to a hamburger + dropdown */
@media (max-width: 720px) {
	.rk-nav-toggle { display: flex; }
	.rk-nav-links {
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		flex-direction: column;
		align-items: flex-start;
		gap: 2px;
		background: var(--color-bg);
		border-bottom: 1px solid var(--color-border);
		box-shadow: var(--shadow-md);
		padding: 8px 20px 16px;
		max-height: 0;
		overflow: hidden;
		opacity: 0;
		transition: max-height 0.22s ease, opacity 0.18s ease, padding 0.22s ease;
	}
	.rk-nav-links a {
		width: 100%;
		padding: 12px 0;
		border-bottom: 1px solid var(--color-border);
	}
	.rk-nav-links a:last-child { border-bottom: none; }
	.rk-nav-links a::after { display: none; }
	.rk-nav-toggle-input:checked ~ .rk-nav-links {
		max-height: 320px;
		opacity: 1;
		padding: 8px 20px 16px;
	}
	.rk-nav-toggle-input:checked ~ .rk-nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
	.rk-nav-toggle-input:checked ~ .rk-nav-toggle span:nth-child(2) { opacity: 0; }
	.rk-nav-toggle-input:checked ~ .rk-nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* Mobile */
@media (max-width: 560px) {
	.rk-container { padding: 0 16px; }
	.rk-hero { padding: 44px 0 32px; }
	.rk-hero::before { height: 300px; }
	.rk-search-row { flex-direction: column; box-shadow: none; border: 1px solid var(--color-border); }
	.rk-search-row:focus-within { box-shadow: 0 0 0 4px var(--color-primary-bg); }
	.rk-search-row input { border-radius: var(--radius) var(--radius) 0 0; }
	.rk-btn { border-radius: 0 0 var(--radius) var(--radius); padding: 14px; }
	.rk-result { padding: 22px 18px; }
	.rk-result .rk-rank-number { font-size: 2.3rem; }
	.rk-card { padding: 20px; }
	.rk-footer-inner { flex-direction: column; align-items: flex-start; text-align: left; }
	table.rk-table { min-width: 380px; }
}

@media (max-width: 400px) {
	.rk-stats-inline { gap: 8px; }
	.rk-stats-inline span { padding: 5px 10px; font-size: 0.76rem; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
	* { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}