:root { color-scheme: light dark; --bg: #002b36; --panel: #073642; --fg: #eee8d5; --muted: #a4b5b8; --accent: #62c6f2; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 1.05rem/1.7 system-ui, sans-serif; }
header, main, footer { max-width: 1080px; margin: auto; padding: 1.5rem; }
header { border-bottom: 1px solid #586e75; }
a { color: var(--accent); text-underline-offset: .2em; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
h1, h2, h3 { line-height: 1.2; }
h1 { font-size: clamp(2.1rem, 6vw, 4rem); letter-spacing: -.04em; }
h2 { font-size: 1.8rem; }
section { margin: 3rem 0; scroll-margin-top: 1rem; }
.hero { padding: 1rem 0 2rem; }
.hero p { max-width: 720px; }
.eyebrow { color: var(--accent); font-weight: 600; }
.button { display: inline-block; padding: .6rem 1.2rem; margin: 1rem 1rem 0 0; background: #268bd2; color: white; border-radius: .4rem; text-decoration: none; font-weight: 600; }
.secondary { display: inline-block; margin-top: 1rem; }
pre { padding: 1rem; background: var(--panel); border: 1px solid #586e75; border-radius: .4rem; overflow-x: auto; font-size: .9rem; }
.command-block { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: .5rem; margin: 1em 0; }
.command-block pre { margin: 0; }
.copy-command { padding: .8rem 1rem; background: var(--panel); color: var(--fg); border: 1px solid #586e75; border-radius: .4rem; font: inherit; cursor: pointer; }
.copy-command:hover { border-color: var(--accent); }
.copy-command:disabled { opacity: .7; cursor: wait; }
.copy-status { grid-column: 1 / -1; margin: 0; font-size: .9rem; }
.copy-status:empty { display: none; }
.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 2rem; }
figure { margin: 2rem 0; }
img { max-width: 100%; height: auto; border-radius: .5rem; }
article { padding: 1rem 0; border-bottom: 1px solid #586e75; }
.checksum { color: var(--muted); overflow-wrap: anywhere; font: .85rem/1.6 ui-monospace, monospace; }
footer { color: var(--muted); border-top: 1px solid #586e75; }
@media (prefers-color-scheme: light) { :root { --bg: #fdf6e3; --panel: #eee8d5; --fg: #073642; --muted: #586e75; --accent: #005b91; } }
@media (max-width: 600px) { .command-block { grid-template-columns: minmax(0, 1fr); } .copy-command { justify-self: start; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }