body { font-family: 'Segoe UI', Arial, sans-serif; margin: 0; background: #f7f9fa; color: #222; }
img { max-width: 100%; height: auto; display: block; }
header { background: #0a2342; color: #fff; padding: 0.5em 0; }
header .container { display: flex; align-items: center; justify-content: space-between; gap: 1em; flex-wrap: wrap; max-width: 1100px; margin: 0 auto; padding: 0 1em; box-sizing: border-box; }
header h1 { margin: 0; font-size: 2em; letter-spacing: 2px; }
nav { display: flex; gap: 1em; flex-wrap: wrap; }
nav a { color: #fff; text-decoration: none; font-weight: 500; }
nav a:hover { text-decoration: underline; }
main { max-width: 1100px; width: 100%; margin: 2em auto; padding: 1.5em; background: #fff; border-radius: 8px; box-shadow: 0 2px 8px #0001; box-sizing: border-box; }
.hero { text-align: left; margin-bottom: 2em; }
.hero h2 { font-size: clamp(1.8em, 3vw, 2.4em); margin-bottom: 0.5em; }
.lead { margin: 0.5em 0 1em 0; line-height: 1.6; font-size: clamp(1em, 2.4vw, 1.1em); }
.hero-note { margin-top: 0.5em; font-size: 0.97em; color: #1a1a1a; line-height: 1.5; }
.features ul, main ul { list-style: disc inside; margin: 1em 0 1em 1.5em; }
.features h3 { margin-top: 1.5em; }
footer { background: #0a2342; color: #fff; text-align: center; padding: 1em 0; margin-top: 2em; }
footer .container { max-width: 1100px; margin: 0 auto; padding: 0 1em; box-sizing: border-box; }
.arch-diagram { background: #f0f4f8; border: 1px solid #c3d0e0; border-radius: 6px; padding: 1em; font-family: 'Fira Mono', 'Consolas', monospace; font-size: 1em; overflow-x: auto; margin: 1.5em 0; }
.diagram-section { overflow-x: visible; }
.diagram-section svg { width: 100%; height: auto; }
svg { max-width: 100%; height: auto; }

@media (max-width: 900px) {
	header h1 { font-size: 1.6em; }
	nav { width: 100%; }
	main { margin: 1.5em auto; padding: 1.25em; }
	.hero h2 { font-size: clamp(1.6em, 4vw, 1.9em); }
}

@media (max-width: 700px) {
	main { max-width: 98vw; padding: 1em; margin: 1em auto; }
	header .container, footer .container { max-width: 98vw; padding: 0 0.75em; }
	.hero h2 { font-size: 1.5em; }
	.lead, .hero ul { font-size: 0.98em; }
	.arch-diagram { font-size: 0.9em; }
	nav { justify-content: center; }
}

@media (max-width: 520px) {
	.hero { margin-bottom: 1.5em; }
	main ul { margin-left: 1em; }
	.lead { line-height: 1.5; }
}