/*
	Ideaforge — Professional site styles
	Lightweight, modern CSS with variables, responsive layout, and component styles.
*/

:root {
	--color-bg: #ffffff;
	--color-text: #0f172a; /* slate-900 */
	--color-muted: #475569; /* slate-600 */
	--color-border: #e2e8f0; /* slate-200 */
	--color-primary: #45CCC5; /* teal */
	--color-primary-hover: #3BB8B0; /* slightly darker teal */
	--color-accent: #06b6d4; /* cyan-500 */

	--radius: 12px;
	--shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
	--shadow-md: 0 6px 12px rgba(16,24,40,0.08);
	--max-width: 1000px;
}

/* Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	color: var(--color-text);
	background: var(--color-bg);
	font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
	line-height: 1.7;
}

.container {
	width: 100%;
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 20px;
}

/* Header */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(255,255,255,0.9);
	backdrop-filter: saturate(180%) blur(6px);
	border-bottom: 1px solid var(--color-border);
}
.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 64px;
}
.brand {
	display: inline-flex;
	align-items: center;
	justify-content: flex-start;
	color: var(--color-text);
	font-weight: 700;
	letter-spacing: 0.2px;
	text-decoration: none;
}
.brand-logo {
	display: block;
	height: 28px; /* default banner height */
	width: auto;
	max-width: 200px; /* constrain long banners */
	border-radius: 8px;
}
.nav { display: flex; gap: 18px; align-items: center; }
.nav a {
	color: var(--color-muted);
	text-decoration: none;
	padding: 8px 10px;
	border-radius: 8px;
}
.nav a:hover { color: var(--color-text); background: #f8fafc; }
.nav .cta {
	color: #fff;
	background: var(--color-primary);
	padding: 10px 14px;
	border-radius: 10px;
}
.nav .cta:hover { background: var(--color-primary-hover); }

/* Hero */
.hero {
	padding: 72px 0 48px;
	background: radial-gradient(1200px 600px at 10% -20%, #e6fffb 0%, transparent 40%),
							radial-gradient(800px 400px at 100% 0%, #ecfeff 0%, transparent 50%);
	border-bottom: 1px solid var(--color-border);
}
.hero-title { font-size: clamp(2rem, 6vw, 3rem); margin: 0 0 12px; }
.hero-lead { font-size: clamp(1rem, 3vw, 1.25rem); color: var(--color-muted); max-width: 60ch; }
.hero-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 10px 16px;
	border-radius: 10px;
	text-decoration: none;
	border: 1px solid var(--color-border);
	color: var(--color-text);
	background: #fff;
	box-shadow: var(--shadow-sm);
}
.btn:hover { background: #f8fafc; }
.btn-primary {
	color: #fff;
	background: var(--color-primary);
	border-color: var(--color-primary);
	box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--color-primary-hover); }

/* Main content */
.site-main { padding: 36px 0 64px; }
.site-main h1, .site-main h2, .site-main h3 { color: var(--color-text); }
.site-main h1 { font-size: 2rem; margin: 0 0 16px; }
.site-main h2 { font-size: 1.5rem; margin: 28px 0 10px; }
.site-main h3 { font-size: 1.25rem; margin: 24px 0 8px; }
.site-main p { margin: 0 0 16px; }
.site-main ul { padding-left: 1.25rem; }
.site-main li { margin: 6px 0; }

/* Collapsible images on Support page */
/* Support steps: two-column collapsible rows */
.support-toolbar { display: flex; gap: 8px; margin: 12px 0 16px; }

details.support-step {
	border: 1px solid var(--color-border);
	border-radius: 12px;
	background: #fff;
	box-shadow: var(--shadow-sm);
	margin: 14px 0;
	overflow: hidden;
}
.support-step > summary {
	list-style: none;
	cursor: pointer;
}
.support-step > summary::-webkit-details-marker { display: none; }
.support-step .step-summary {
	padding: 14px 14px;
}
.support-step .step-left h3 { margin: 0 0 6px; font-size: 1.1rem; }
.support-step .step-left p { margin: 0; color: var(--color-muted); }

.support-step .step-right { border-top: 1px solid var(--color-border); }
.support-step .step-right img {
	display: block;
	max-width: 100%;
	height: auto;
	border-radius: 0 0 12px 12px;
}

/* Grid layout when open */
.support-step[open] .step-summary { border-bottom: 1px solid var(--color-border); }
.support-step[open] .step-right { padding: 12px; }

/* Desktop two-column layout */
@media (min-width: 860px) {
	.support-step > summary { padding: 0; }
	.support-step .step-summary { padding: 0; }
	.support-step[open] {
		display: grid;
		grid-template-columns: 1fr 400px;
		gap: 0;
	}
	.support-step .step-left { padding: 16px; }
	.support-step .step-right { border-left: 1px solid var(--color-border); border-top: none; display: flex; align-items: center; justify-content: center; padding: 16px; }
	.support-step .step-right img { border-radius: 0; }
}

/* Cards (optional) */
.card-grid { display: grid; grid-template-columns: repeat( auto-fit, minmax(240px, 1fr) ); gap: 16px; }
.card {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	padding: 16px;
	background: #fff;
	box-shadow: var(--shadow-sm);
}
.card h3 { margin-top: 0; }

/* Footer */
.site-footer {
	border-top: 1px solid var(--color-border);
	background: #fafafa;
}
.footer-inner { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 18px 0; }
.foot-links { display: flex; gap: 14px; }
.foot-links a { color: var(--color-muted); text-decoration: none; }
.foot-links a:hover { color: var(--color-text); text-decoration: underline; }

/* Responsive tweaks */
@media (max-width: 640px) {
	.header-inner { height: auto; padding: 12px 0; gap: 8px; flex-direction: column; align-items: flex-start; }
	.nav { flex-wrap: wrap; }
	.site-main { padding: 24px 0 48px; }
	.brand-logo { height: 22px; max-width: 160px; }
}

/* Support page: vertical shelf navigation */
.support .support-layout {
	display: grid;
	grid-template-columns: 240px 1fr;
	gap: 24px;
}
.support .support-nav {
	position: sticky;
	top: 88px; /* below header */
	align-self: start;
	border: 1px solid var(--color-border);
	border-radius: 12px;
	background: #fff;
	box-shadow: var(--shadow-sm);
	padding: 12px;
	max-height: calc(100vh - 120px);
	overflow: auto;
}
.support .support-nav-title {
	font-weight: 600;
	color: var(--color-muted);
	padding: 6px 8px 10px;
}
.support .support-nav ul {
	list-style: none;
	margin: 0;
	padding: 0 6px 4px;
	display: flex;
	flex-direction: column;
	gap: 6px;
}
.support .support-nav a {
	display: block;
	padding: 6px 8px;
	border-radius: 8px;
	color: var(--color-muted);
	text-decoration: none;
}
.support .support-nav a:hover { background: #f8fafc; color: var(--color-text); }
.support .support-nav a.active { background: #eefdfb; color: var(--color-text); border: 1px solid var(--color-primary); }

.support .support-content { min-width: 0; }

@media (max-width: 900px) {
	.support .support-layout { grid-template-columns: 1fr; }
	.support .support-nav { display: none; }
}

/* Breadcrumbs */
.breadcrumbs {
	font-size: 0.95rem;
	color: var(--color-muted);
	margin: 8px 0 16px;
}
.breadcrumbs a { color: var(--color-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-text); text-decoration: underline; }
.breadcrumbs .sep { margin: 0 6px; color: var(--color-border); }

/* Pager (previous/next links) */
.pager {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 12px;
	margin: 28px 0 8px;
	border-top: 1px solid var(--color-border);
	padding-top: 16px;
}
.pager a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 8px 12px;
	border: 1px solid var(--color-border);
	border-radius: 10px;
	color: var(--color-muted);
	text-decoration: none;
	background: #fff;
}
.pager a:hover { background: #f8fafc; color: var(--color-text); }