:root {
	--bg: #ffffff;
	--bg-alt: #f5f5f4;
	--fg: #18181b;
	--muted: #57534e;
	--line: #e7e5e4;
	--card: #ffffff;
	--accent: #ca8a04;
	--accent-fg: #18181b;
	--accent-bg: #facc15;
	--red: #dc2626;
	--shadow: 0 20px 50px -20px rgb(0 0 0 / 0.25);
	color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
	:root {
		--bg: #0b0b0d;
		--bg-alt: #131316;
		--fg: #f4f4f5;
		--muted: #a1a1aa;
		--line: #27272a;
		--card: #18181b;
		--accent: #facc15;
		--shadow: 0 30px 80px -30px rgb(250 204 21 / 0.18);
	}
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
	margin: 0;
	background: var(--bg);
	color: var(--fg);
	font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--bg-alt); padding: 0.1em 0.35em; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }

/* nav */
.nav {
	position: sticky; top: 0; z-index: 10;
	display: flex; align-items: center; justify-content: space-between; gap: 16px;
	padding: 12px max(16px, calc((100% - 1200px) / 2));
	background: color-mix(in srgb, var(--bg) 85%, transparent);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; color: var(--fg); text-decoration: none; }
.nav nav { display: flex; gap: 20px; flex-wrap: wrap; justify-content: flex-end; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.nav nav a:hover { color: var(--fg); }
.nav .gh { color: var(--fg); font-weight: 600; }

/* layout */
section { padding: 72px max(16px, calc((100% - 1200px) / 2)); }

/* hero */
.hero { text-align: center; padding-top: 56px; }
.hero .logo img { margin: 0 auto 24px; width: 240px; }
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 720px; margin: 0 auto 28px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
	display: inline-block; padding: 12px 22px; border-radius: 10px;
	border: 1px solid var(--line); color: var(--fg); text-decoration: none; font-weight: 600;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent-bg); color: var(--accent-fg); border-color: var(--accent-bg); }
.btn.primary:hover { filter: brightness(1.05); }
.chips { list-style: none; padding: 0; margin: 28px auto 0; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.chips li { font-size: 0.85rem; padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.shot { margin: 0; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.hero-shot { margin-top: 48px; }

/* feature rows */
.features { display: grid; gap: 96px; }
.feature { display: grid; grid-template-columns: 4fr 8fr; gap: 40px; align-items: center; }
.feature.flip { grid-template-columns: 8fr 4fr; }
.feature.flip .text { order: 2; }
.kicker { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; font-weight: 700; color: var(--red); margin: 0 0 8px; }
.feature p { color: var(--muted); }
.feature ul { padding-left: 1.2em; margin: 0; }
.feature li { margin: 4px 0; }
.feature li::marker { color: var(--accent); }

/* grid */
.grid-section { background: var(--bg-alt); text-align: center; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; text-align: left; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.card h3 { font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* kubernetes band */
.band { display: grid; grid-template-columns: 4fr 8fr; gap: 48px; align-items: start; }
.band .text p { color: var(--muted); }
.links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.links a {
	display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px;
	text-decoration: none; color: var(--fg);
}
.links a:hover { border-color: var(--accent); }
.links strong { display: block; font-family: ui-monospace, Menlo, monospace; }
.links span { color: var(--muted); font-size: 0.92rem; }

/* why */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; background: var(--bg-alt); }
.why p { color: var(--muted); margin: 0; }

/* start */
.start { max-width: 820px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.start ol { padding-left: 1.4em; }
.start li { margin: 8px 0; }
.note { color: var(--muted); border-left: 3px solid var(--accent); padding-left: 16px; margin-top: 28px; }

/* faq */
.faq { max-width: 820px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { color: var(--muted); margin: 10px 0 0; }

footer { text-align: center; padding: 40px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.92rem; }
footer p { margin: 4px 0; }

@media (max-width: 900px) {
	.feature, .feature.flip, .band, .why { grid-template-columns: 1fr; gap: 24px; }
	.feature.flip .text { order: 0; }
	.grid { grid-template-columns: repeat(2, 1fr); }
	.features { gap: 64px; }
}
@media (max-width: 560px) {
	.nav nav a:not(.gh) { display: none; }
	.grid, .links { grid-template-columns: 1fr; }
	section { padding-top: 48px; padding-bottom: 48px; }
}