/* Startup Office — developer site. Flat, dark, mobile first. No scripts, no images. */
:root {
  --bg: #0f1216;
  --panel: #171b21;
  --line: #262c35;
  --text: #e6e9ee;
  --muted: #9aa3b2;
  --accent: #4fd18b;
  --accent-ink: #0a1f14;
  --tag: #f2c14e;
  --tag-ink: #2a1f04;
  --link: #8ab4ff;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
a:hover, a:focus { color: #b7d0ff; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--tag); outline-offset: 3px; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }

header.site {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.brand {
  font-weight: 700; letter-spacing: 0.02em; color: var(--text); text-decoration: none;
}
.brand:hover, .brand:focus { color: var(--text); }
nav a { margin-left: 16px; font-size: 15px; }
nav a:first-child { margin-left: 0; }

main { padding: 40px 0 56px; }

h1 { font-size: 2.1rem; line-height: 1.15; margin: 8px 0 12px; letter-spacing: -0.01em; }
h2 { font-size: 1.35rem; margin: 40px 0 10px; line-height: 1.25; }
h3 { font-size: 1.05rem; margin: 24px 0 6px; }
p, ul, ol { margin: 0 0 14px; }
li { margin-bottom: 6px; }
.muted { color: var(--muted); }
.small { font-size: 15px; }

.tag {
  display: inline-block; background: var(--tag); color: var(--tag-ink);
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 4px;
}

.lead { font-size: 1.15rem; }

.btn {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  font-weight: 700; text-decoration: none; padding: 14px 22px; border-radius: 8px;
  margin: 8px 0 4px;
}
.btn:hover, .btn:focus { background: #6fe0a5; color: var(--accent-ink); }

.grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 24px 0; padding: 0; list-style: none; }
.grid li { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 0; }
.grid li strong { display: block; margin-bottom: 4px; }
@media (min-width: 560px) { .grid { grid-template-columns: 1fr 1fr; } }

.box { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin: 16px 0; }
.box p:last-child, .box ul:last-child { margin-bottom: 0; }

table { border-collapse: collapse; width: 100%; margin: 12px 0 18px; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }

code { font: 0.92em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--panel); padding: 1px 5px; border-radius: 4px; }

dl.faq dt { font-weight: 700; margin-top: 22px; }
dl.faq dd { margin: 6px 0 0; }

footer.site { border-top: 1px solid var(--line); padding: 20px 0 32px; color: var(--muted); font-size: 14px; }
footer.site a { color: var(--muted); }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; }