/* Oratcl project website — modern stylesheet (2026 redesign). */

:root {
	--color-brand: #253183;
	--color-brand-dark: #1a2361;
	--color-accent: #d9480f;
	--color-link: #2a65ad;
	--color-link-hover: #17457f;
	--color-text: #2b2d33;
	--color-text-muted: #5c6370;
	--color-bg: #ffffff;
	--color-bg-alt: #f6f7fb;
	--color-border: #e3e5ec;
	--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	--content-max: 1200px;
}

* {
	box-sizing: border-box;
}

html {
	font-size: 100%;
}

body {
	margin: 0;
	font-family: var(--font-sans);
	font-size: 1.0625rem;
	line-height: 1.6;
	color: var(--color-text);
	background: var(--color-bg);
}

a {
	color: var(--color-link);
	text-decoration: none;
	font-weight: 600;
}

a:hover,
a:focus-visible {
	color: var(--color-link-hover);
	text-decoration: underline;
}

img {
	max-width: 100%;
	border: none;
}

/* Site header + nav, shared across all pages */

.site-header {
	background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-dark) 100%);
	color: #ffffff;
}

.site-nav {
	max-width: var(--content-max);
	margin: 0 auto;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem 1.5rem;
	padding: 1rem 1.5rem;
}

.site-nav .brand {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	font-size: 1.15rem;
	font-weight: 700;
	letter-spacing: 0.02em;
	color: #ffffff;
	margin-right: auto;
}

.site-nav .brand img {
	height: 32px;
	width: auto;
}

.site-nav ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 0.25rem;
	margin: 0;
	padding: 0;
}

.site-nav a {
	color: rgba(255, 255, 255, 0.88);
	font-weight: 600;
	font-size: 0.95rem;
	padding: 0.4rem 0.7rem;
	border-radius: 6px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
	color: #ffffff;
	background: rgba(255, 255, 255, 0.12);
	text-decoration: none;
}

.site-nav a[aria-current="page"] {
	background: rgba(255, 255, 255, 0.18);
	color: #ffffff;
}

/* Nav dropdowns: native <details>/<summary>, no JS required */

.site-nav li.has-dropdown {
	position: relative;
}

.site-nav details.dropdown summary {
	cursor: pointer;
	list-style: none;
	color: rgba(255, 255, 255, 0.88);
	font-weight: 600;
	font-size: 0.95rem;
	padding: 0.4rem 0.7rem;
	border-radius: 6px;
}

.site-nav details.dropdown summary::-webkit-details-marker {
	display: none;
}

.site-nav details.dropdown summary::after {
	content: "▾";
	margin-left: 0.35rem;
	font-size: 0.75em;
}

.site-nav details.dropdown summary:hover,
.site-nav details.dropdown summary:focus-visible {
	color: #ffffff;
	background: rgba(255, 255, 255, 0.12);
}

.site-nav details.dropdown[open] summary {
	background: rgba(255, 255, 255, 0.18);
	color: #ffffff;
}

.site-nav details.dropdown .dropdown-panel {
	position: absolute;
	top: 100%;
	right: 0;
	z-index: 10;
	min-width: 220px;
	margin-top: 0.4rem;
	padding: 0.5rem;
	background: #ffffff;
	border: 1px solid var(--color-border);
	border-radius: 10px;
	box-shadow: 0 8px 24px rgba(20, 24, 50, 0.18);
}

.site-nav details.dropdown .dropdown-panel a {
	display: block;
	color: var(--color-text);
	font-weight: 600;
	font-size: 0.92rem;
	padding: 0.5rem 0.6rem;
	border-radius: 6px;
}

.site-nav details.dropdown .dropdown-panel a:hover,
.site-nav details.dropdown .dropdown-panel a:focus-visible {
	background: var(--color-bg-alt);
	color: var(--color-link-hover);
}

/* Page hero (index.html only) */

.hero {
	max-width: var(--content-max);
	margin: 0 auto;
	padding: 2.5rem 1.5rem 2rem;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1.5rem;
	justify-content: space-between;
}

.hero h1 {
	margin: 0 0 0.3rem;
	font-size: 2.1rem;
	letter-spacing: -0.01em;
}

.hero .version-badge {
	display: inline-block;
	margin-top: 0.4rem;
	padding: 0.3rem 0.8rem;
	border-radius: 999px;
	background: var(--color-bg-alt);
	color: var(--color-brand);
	font-weight: 700;
	font-size: 0.9rem;
}

.hero .logo-mark {
	flex-shrink: 0;
	width: 110px;
	height: auto;
}

.intro {
	max-width: var(--content-max);
	margin: 0 auto;
	padding: 0 1.5rem 1rem;
	color: var(--color-text-muted);
	font-size: 1.05rem;
}

/* Main two-column layout */

.page-layout {
	max-width: var(--content-max);
	margin: 0 auto;
	padding: 0 1.5rem 3rem;
	display: grid;
	grid-template-columns: 1fr 260px;
	gap: 2.5rem;
	align-items: start;
}

.page-layout.single-column {
	grid-template-columns: 1fr;
}

main h1 {
	font-size: 1.5rem;
	color: var(--color-brand);
	border-bottom: 2px solid var(--color-border);
	padding-bottom: 0.4rem;
	margin-top: 2rem;
}

main h1:first-child {
	margin-top: 0;
}

main p {
	margin: 0 0 1rem;
}

aside {
	background: var(--color-bg-alt);
	border: 1px solid var(--color-border);
	border-radius: 12px;
	padding: 1.25rem 1.4rem;
}

aside h2 {
	font-size: 0.78rem;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--color-text-muted);
	margin: 1.25rem 0 0.5rem;
}

aside h2:first-child {
	margin-top: 0;
}

aside ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

aside li a {
	display: block;
	padding: 0.35rem 0;
	font-weight: 600;
	font-size: 0.95rem;
	border-bottom: 1px solid transparent;
}

aside li:not(:last-child) a {
	border-bottom: 1px dashed var(--color-border);
}

/* FAQ: native <details>/<summary> accordion, no JS required */

.faq-section {
	margin: 2rem 0;
}

.faq-section > h2 {
	font-size: 1.3rem;
	color: var(--color-brand);
	border-bottom: 2px solid var(--color-border);
	padding-bottom: 0.4rem;
}

details.faq-item {
	border: 1px solid var(--color-border);
	border-radius: 10px;
	margin-bottom: 0.6rem;
	padding: 0;
	overflow: hidden;
}

details.faq-item summary {
	cursor: pointer;
	font-weight: 700;
	padding: 0.85rem 1.1rem;
	background: var(--color-bg-alt);
	list-style: none;
}

details.faq-item summary::-webkit-details-marker {
	display: none;
}

details.faq-item summary::before {
	content: "▸";
	display: inline-block;
	margin-right: 0.6rem;
	color: var(--color-accent);
	transition: transform 0.15s ease;
}

details.faq-item[open] summary::before {
	transform: rotate(90deg);
}

details.faq-item .faq-answer {
	padding: 1rem 1.1rem 1.3rem;
}

details.faq-item table {
	border-collapse: collapse;
	width: 100%;
	margin: 0.75rem 0;
	font-size: 0.92rem;
}

details.faq-item th,
details.faq-item td {
	border: 1px solid var(--color-border);
	padding: 0.4rem 0.6rem;
	text-align: center;
}

/* Preformatted content: man page, changelog */

pre {
	background: var(--color-bg-alt);
	border: 1px solid var(--color-border);
	border-radius: 10px;
	padding: 1.25rem;
	font-family: var(--font-mono);
	font-size: 0.9rem;
	line-height: 1.5;
	white-space: pre-wrap;
	word-break: break-word;
	overflow-x: auto;
}

/* Footer */

.site-footer {
	border-top: 1px solid var(--color-border);
	background: var(--color-bg-alt);
	margin-top: 2rem;
}

.site-footer .footer-inner {
	max-width: var(--content-max);
	margin: 0 auto;
	padding: 1.5rem;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

.site-footer .badges {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.site-footer .copyright {
	color: var(--color-text-muted);
	font-size: 0.9rem;
}

/* Responsive */

@media (max-width: 760px) {
	.page-layout {
		grid-template-columns: 1fr;
	}

	.hero {
		flex-direction: column;
		align-items: flex-start;
	}
}