:root {
	--bg: #080b10;
	--text: #e7edf3;
	--muted: #93a1b0;
	--surface: rgba(255, 255, 255, 0.035);
	--surface-2: rgba(255, 255, 255, 0.06);
	--border: rgba(255, 255, 255, 0.09);
	--border-2: rgba(255, 255, 255, 0.16);
	--accent: #34d399;
	--radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
	font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; }

/* Top nav */
.dnav {
	position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 16px;
	height: 60px; padding: 0 24px; background: rgba(8, 11, 16, 0.8); backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--border);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { height: 20px; display: block; }
.brand-train { height: 30px; width: auto; display: block; }
.brand-word { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 17px; letter-spacing: -0.01em; color: var(--text); }
.dnav-tag {
	font-size: 12px; font-weight: 600; color: var(--accent); text-transform: uppercase;
	letter-spacing: 0.05em; padding: 3px 9px; border: 1px solid rgba(52, 211, 153, 0.3);
	border-radius: 999px; background: rgba(52, 211, 153, 0.07);
}
.dnav-links { display: flex; gap: 22px; margin-left: auto; }
.dnav-links a { color: var(--muted); font-weight: 500; font-size: 14.5px; }
.dnav-links a:hover { color: var(--text); text-decoration: none; }

/* Shell */
.dshell { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 248px 1fr; gap: 40px; padding: 0 24px; }
.dside { position: sticky; top: 60px; align-self: start; height: calc(100vh - 60px); overflow-y: auto; padding: 28px 0 40px; }
.dside nav { display: flex; flex-direction: column; gap: 2px; }
.dside a {
	color: var(--muted); font-size: 14px; padding: 7px 12px; border-radius: 8px;
	border-left: 2px solid transparent;
}
.dside a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.dside a.active { color: var(--accent); background: rgba(52, 211, 153, 0.08); border-left-color: var(--accent); font-weight: 500; }

/* Content */
.dcontent { min-width: 0; padding: 40px 0 96px; max-width: 800px; }

/* Prose */
.prose h1 { font-family: "Space Grotesk", sans-serif; font-size: 36px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 18px; }
.prose h2 { font-family: "Space Grotesk", sans-serif; font-size: 25px; font-weight: 600; margin: 44px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); letter-spacing: -0.01em; }
.prose h3 { font-size: 19px; font-weight: 600; margin: 32px 0 10px; }
.prose h4 { font-size: 16px; font-weight: 600; margin: 24px 0 8px; color: var(--muted); }
.prose p { margin: 14px 0; color: #c7d2dc; }
.prose ul, .prose ol { margin: 14px 0 14px 26px; color: #c7d2dc; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--muted); }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { font-weight: 500; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }
.prose img { max-width: 100%; border-radius: var(--radius); }

.prose code {
	font-size: 13.5px; color: var(--accent); background: rgba(52, 211, 153, 0.1);
	padding: 2px 6px; border-radius: 5px;
}
.prose pre {
	background: #0c1017; border: 1px solid var(--border-2); border-radius: var(--radius);
	padding: 18px 20px; overflow-x: auto; margin: 18px 0; line-height: 1.7;
}
.prose pre code { color: #dbe4ee; background: none; padding: 0; font-size: 13.5px; }

.prose blockquote {
	border-left: 3px solid var(--accent); padding: 4px 0 4px 18px; margin: 18px 0; color: var(--muted);
}

.prose table {
	width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px;
	border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.prose th, .prose td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.prose thead th { background: var(--surface-2); font-weight: 600; color: var(--text); font-size: 13px; text-transform: uppercase; letter-spacing: 0.02em; }
.prose tbody tr:last-child td { border-bottom: none; }
.prose tbody tr:hover td { background: var(--surface); }
.prose td:first-child { color: var(--text); font-weight: 500; }

/* Responsive */
@media (max-width: 900px) {
	.dshell { grid-template-columns: 1fr; gap: 0; }
	.dside {
		position: static; height: auto; overflow: visible; padding: 16px 0;
		border-bottom: 1px solid var(--border); margin-bottom: 8px;
	}
	.dside nav { flex-direction: row; flex-wrap: wrap; gap: 6px; }
	.dside a { border-left: 0; font-size: 13px; padding: 6px 10px; border: 1px solid var(--border); }
	.dside a.active { border-color: var(--accent); }
	.dcontent { padding: 20px 0 72px; }
	.dnav-links a[href="/#compare"] { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }