:root {
  --paper: #FAF8F5;
  --surface: #FFFFFF;
  --ink: #1B1713;
  --muted: #6E655C;
  --line: #E7E0D8;
  --accent: #E8490F;
  --accent-strong: #C43A08;
  --accent-soft: #FDEEE7;
  --on-accent: #FFFFFF;
  --card-ink: #1B1713;
  --plan-line: #332C25;
  --plan-dot: #5A5045;
  --plan-text: #8D8378;
  --code-bg: #1B1713;
  --code-text: #E7DFD5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151210;
    --surface: #1F1B17;
    --ink: #F1EBE4;
    --muted: #A79C90;
    --line: #352E28;
    --accent: #FF7A47;
    --accent-strong: #FF9166;
    --accent-soft: #34211A;
    --on-accent: #23130C;
    --code-bg: #100D0B;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Instrument Sans", system-ui, sans-serif;
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 {
  font-family: "Outfit", sans-serif;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0;
}
a { color: var(--accent); }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
}

.topbar {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.topbar nav { display: flex; align-items: center; gap: 22px; }
.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}
.topbar nav a:hover, .topbar nav a:focus-visible { color: var(--ink); }
.topbar nav a.gh {
  color: var(--ink);
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: 7px 14px;
}
.topbar nav a.gh:hover { border-color: var(--accent); color: var(--accent); }

main { max-width: 1080px; margin: 0 auto; padding: 0 28px 80px; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 64px 0 72px;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 18px;
}
.hero p { color: var(--muted); max-width: 54ch; margin: 0; }
.seat-taken, .seat-free {
  display: inline-block;
  width: 0.72em; height: 0.72em;
  border-radius: 99px;
  vertical-align: -0.05em;
}
.seat-taken { background: var(--accent); }
.seat-free { border: 0.18em solid var(--accent); }
.cta { display: flex; gap: 12px; margin: 26px 0 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border-radius: 10px;
  padding: 12px 22px;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { color: var(--ink); border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.stack-line { font-size: 14px; color: var(--muted); }

.hero-plan {
  background: var(--card-ink);
  border-radius: 16px;
  padding: 22px 22px 16px;
}
.hero-plan svg { display: block; width: 100%; height: auto; }
.plan-caption {
  color: #8D8378;
  font-size: 13.5px;
  margin: 10px 4px 2px;
}

.features { padding: 24px 0 8px; }
.features h2, .selfhost h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  margin-bottom: 28px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
}
.grid h3 { font-size: 17.5px; font-weight: 600; margin-bottom: 6px; }
.grid h3::before {
  content: "";
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 99px;
  background: var(--accent);
  margin-right: 9px;
  vertical-align: 0.08em;
}
.grid article:nth-child(even) h3::before {
  background: transparent;
  border: 2.5px solid var(--accent);
  width: 7px; height: 7px;
}
.grid p { font-size: 14.5px; color: var(--muted); margin: 0; }

.selfhost {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: center;
  padding: 64px 0 24px;
}
.selfhost p { color: var(--muted); max-width: 46ch; }
.selfhost ul { color: var(--muted); padding-left: 20px; margin: 14px 0 0; }
.selfhost li { margin-bottom: 6px; }
.selfhost li::marker { color: var(--accent); }
.selfhost pre {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: 12px;
  padding: 22px 24px;
  overflow-x: auto;
  margin: 0;
}
.selfhost pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 14px;
  line-height: 1.7;
  color: inherit;
}

footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 26px 28px 46px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 14.5px;
}

@media (max-width: 860px) {
  .hero, .selfhost { grid-template-columns: 1fr; gap: 32px; }
  .grid { grid-template-columns: 1fr; }
  .topbar nav a:not(.gh) { display: none; }
}