:root {
  color-scheme: light dark;
  --bg: #f6fafb;
  --surface: #ffffff;
  --surface-2: #eaf3f5;
  --text: #11262d;
  --muted: #455a63;
  --line: #cfdfe4;
  --accent: #0b6b7c;
  --accent-strong: #08515e;
  --on-accent: #ffffff;
  --code-bg: #0f2a31;
  --code-text: #dff3f6;
  --focus: #b45309;
  --shadow: 0 1px 2px rgb(10 40 50 / 8%), 0 8px 24px rgb(10 40 50 / 6%);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1a1f;
    --surface: #112830;
    --surface-2: #163239;
    --text: #e6f2f4;
    --muted: #a3bcc3;
    --line: #25434b;
    --accent: #4fc3d6;
    --accent-strong: #7ad6e5;
    --on-accent: #06222a;
    --code-bg: #07141a;
    --code-text: #d3eef2;
    --focus: #fbbf24;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
main { flex: 1; }
a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.wrap { width: 100%; max-width: 68rem; margin: 0 auto; padding: 0 1rem; }
.icon { width: 1.5em; height: 1.5em; fill: currentColor; flex: none; }
.skip {
  position: absolute; left: 1rem; top: -4rem; background: var(--accent); color: var(--on-accent);
  padding: 0.6rem 1rem; border-radius: 0 0 6px 6px; z-index: 10; font-weight: 600;
}
.skip:focus { top: 0; }

/* header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 1.5rem; padding-top: 0.75rem; padding-bottom: 0.75rem; }
.brand { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.25rem; color: var(--text); text-decoration: none; padding: 0.25rem 0; }
.brand .icon { color: var(--accent); width: 1.6em; height: 1.6em; }
.nav { display: flex; flex-wrap: wrap; gap: 0.25rem; margin: 0; padding: 0; list-style: none; }
.nav a { display: block; padding: 0.5rem 0.75rem; border-radius: 6px; color: var(--muted); text-decoration: none; font-weight: 500; }
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); background: var(--surface-2); font-weight: 600; }

/* hero */
.hero { padding: 3rem 0 2.5rem; background: linear-gradient(180deg, var(--surface-2), var(--bg)); }
.hero h1 { font-size: clamp(2rem, 6vw, 3.25rem); line-height: 1.15; margin: 0 0 1rem; max-width: 22ch; letter-spacing: -0.02em; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 40rem; margin: 0 0 1.5rem; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; font-weight: 700; color: var(--accent); margin: 0 0 0.75rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 2.75rem; padding: 0.5rem 1.25rem; border-radius: 8px; font-weight: 600; text-decoration: none;
  border: 2px solid var(--accent); background: var(--accent); color: var(--on-accent);
}
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--on-accent); }
.btn.secondary { background: transparent; color: var(--accent); }
.btn.secondary:hover { background: var(--surface-2); color: var(--accent-strong); }

/* sections */
section.block { padding: 2.5rem 0; }
section.block.alt { background: var(--surface-2); }
h1, h2, h3 { line-height: 1.25; }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 0.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; margin: 0 0 0.35rem; }
.sub { color: var(--muted); max-width: 42rem; margin: 0 0 1.75rem; }
.page-title { padding: 2.5rem 0 1rem; }
.page-title h1 { font-size: clamp(1.9rem, 5vw, 2.75rem); margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.page-title p { color: var(--muted); max-width: 42rem; margin: 0; font-size: 1.1rem; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem; box-shadow: var(--shadow); }
.card .icon { color: var(--accent); width: 2rem; height: 2rem; margin-bottom: 0.5rem; display: block; }
.card p { margin: 0; color: var(--muted); }
.card ul { margin: 0.5rem 0 0; padding-left: 1.1rem; color: var(--muted); }

/* code */
pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
pre { background: var(--code-bg); color: var(--code-text); padding: 1rem; border-radius: 10px; overflow-x: auto; margin: 0 0 1rem; font-size: 0.9rem; line-height: 1.55; }
pre:focus-visible { outline-offset: 0; }
:not(pre) > code { background: var(--surface-2); padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.9em; overflow-wrap: anywhere; }
.alt :not(pre) > code { background: var(--surface); }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.table-wrap:focus-visible { outline-offset: 0; }
table { border-collapse: collapse; width: 100%; min-width: 34rem; }
th, td { text-align: left; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface-2); font-size: 0.85rem; }
tr:last-child td { border-bottom: 0; }
td:first-child { white-space: nowrap; }

/* pricing */
.price-card { max-width: 28rem; margin: 0 auto; text-align: left; border: 2px solid var(--accent); }
.price { font-size: 3rem; font-weight: 800; line-height: 1; margin: 0.5rem 0; letter-spacing: -0.02em; }
.price small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.ticks { list-style: none; padding: 0; margin: 1rem 0 1.5rem; display: grid; gap: 0.5rem; }
.ticks li { display: flex; gap: 0.5rem; align-items: flex-start; }
.ticks .icon { color: var(--accent); margin-top: 0.15rem; width: 1.25em; height: 1.25em; }
.note { color: var(--muted); font-size: 0.95rem; }

/* footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); padding: 1.5rem 0; margin-top: 2rem; color: var(--muted); font-size: 0.95rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; justify-content: space-between; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; margin: 0; padding: 0; list-style: none; }
.site-footer a { display: inline-block; padding: 0.25rem 0; }
.site-footer p { margin: 0; }

@media (prefers-reduced-motion: no-preference) {
  .btn, .nav a { transition: background-color 0.15s, color 0.15s; }
}
.card .ticks { margin: 1rem 0 1.5rem; padding: 0; color: var(--text); }
.mt-md { margin-top: 1.5rem; }
.mt-lg { margin-top: 2rem; }
.mt-xl { margin-top: 2.5rem; }