:root {
  --bg: #f6f8f6; --surface: #ffffff; --fg: #1c2b30; --muted: #56656a; --line: #dce6e0;
  --code: #edf2ee; --accent: #ff5a1f; --accent-fg: #1c2b30; --link: #1c2b30; --warn: #8a4b00; --warn-bg: #fff4e0;
  --ok-bg: #e6f4ec; --danger: #b3261e;
  --good: #1f9d55; --fair: #f2b705; --weak: #ff5a1f; --contour: #dce6e0; --sky: #e3f0f6; --ridge: #c9d8cf; --ridge-far: #dfe9e3; --city: #b9c8cf;
  --granite: #1c2b30; --on-granite: #f6f8f6;
  color-scheme: light;
}
/* Dark: follows the system unless the user picked light; or picked dark explicitly. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1d1b; --surface: #16262a; --fg: #eef3ef; --muted: #9fb0aa; --line: #26393a;
    --code: #1c2e30; --accent: #ff6a33; --accent-fg: #10191b; --link: #eef3ef; --warn: #f0b660; --warn-bg: #2c2210;
    --ok-bg: #12291f; --danger: #f08a80;
    --good: #3ccf7f; --fair: #f5c842; --weak: #ff7a45; --contour: #213b3b; --sky: #122a2e; --ridge: #24423f; --ridge-far: #1b3434; --city: #2b4a50;
    --granite: #e8efe9; --on-granite: #10191b;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
    --bg: #0f1d1b; --surface: #16262a; --fg: #eef3ef; --muted: #9fb0aa; --line: #26393a;
    --code: #1c2e30; --accent: #ff6a33; --accent-fg: #10191b; --link: #eef3ef; --warn: #f0b660; --warn-bg: #2c2210;
    --ok-bg: #12291f; --danger: #f08a80;
    --good: #3ccf7f; --fair: #f5c842; --weak: #ff7a45; --contour: #213b3b; --sky: #122a2e; --ridge: #24423f; --ridge-far: #1b3434; --city: #2b4a50;
    --granite: #e8efe9; --on-granite: #10191b;
    color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", "Noto Sans", sans-serif; }
.wrap { max-width: 64rem; margin: 0 auto; padding-inline: 1rem; }
main.wrap { padding-block: 2rem 4rem; min-height: 70vh; }
a { color: var(--link); text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }
h1 { font-size: clamp(1.8rem, 4.5vw, 2.6rem); line-height: 1.1; letter-spacing: -.02em; font-weight: 800; margin: 0 0 .75rem; }
h2 { font-size: 1.35rem; letter-spacing: -.01em; font-weight: 750; margin: 2.5rem 0 .75rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .5rem; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 44rem; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.top { border-block-end: 1px solid var(--line); background: var(--surface); }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: .75rem; }
.brand { display: inline-flex; align-items: center; gap: .45rem; font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; color: var(--fg); text-decoration: none; }
.brand small { font-weight: 500; color: var(--muted); letter-spacing: 0; }
.brand svg { width: 1.6rem; height: 1.6rem; }
.nav { display: flex; align-items: center; gap: .9rem; flex-wrap: wrap; }
.nav a { text-decoration: none; font-weight: 600; }
.nav a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.nav form { margin: 0; }
.lang select { font: inherit; font-size: .9rem; padding: .25rem .4rem; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); max-width: 11rem; }

.foot { border-block-start: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.foot-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 1.25rem; }
.foot nav { display: flex; gap: 1rem; }

.button, button.primary { display: inline-block; font: inherit; font-weight: 700; padding: .65rem 1.2rem; border-radius: 999px; border: 0; background: var(--accent); color: var(--accent-fg); text-decoration: none; cursor: pointer; }
.button.small { padding: .35rem .8rem; font-size: .9rem; }
.button.secondary, button.secondary { background: transparent; color: var(--fg); border: 2px solid var(--fg); font: inherit; font-weight: 700; padding: .5rem 1.1rem; border-radius: 999px; cursor: pointer; }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); font: inherit; padding: .5rem 1rem; border-radius: 8px; cursor: pointer; }
button.link { background: none; border: 0; padding: 0; font: inherit; color: var(--link); cursor: pointer; }

.notice { background: var(--ok-bg); border-inline-start: 4px solid var(--good); padding: .75rem 1rem; border-radius: 6px; }
.warning { background: var(--warn-bg); color: var(--warn); border-inline-start: 4px solid var(--warn); padding: .75rem 1rem; border-radius: 6px; }
.errors { color: var(--danger); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { counter-increment: step; position: relative; padding-inline-start: 2.5rem; margin-block: 1rem; }
.steps li::before { content: counter(step); position: absolute; inset-inline-start: 0; inset-block-start: 0; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--accent); color: var(--accent-fg); display: grid; place-items: center; font-weight: 700; font-size: .9rem; }

.plan h3 { margin-top: 0; }
.plan ul { padding-inline-start: 1.2rem; }
.price { font-size: 1.6rem; font-weight: 700; }

code, .copy-field { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .9em; background: var(--code); padding: .1em .35em; border-radius: 4px; }
.copy { display: flex; gap: .5rem; align-items: stretch; }
.copy-field { flex: 1; padding: .55rem .7rem; border: 1px solid var(--line); overflow-wrap: anywhere; direction: ltr; text-align: start; }

table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: start; padding: .5rem .6rem; border-block-end: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; }
.table-scroll { overflow-x: auto; }
td.num, th.num { text-align: end; font-variant-numeric: tabular-nums; }
.ltr { direction: ltr; unicode-bidi: isolate; }

form.stack { display: grid; gap: 1rem; max-width: 28rem; }
label { font-weight: 600; display: block; margin-block-end: .25rem; }
input[type=text], input[type=email], select.field { width: 100%; font: inherit; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--fg); }
.check { display: flex; gap: .5rem; align-items: flex-start; font-weight: 400; }
.hint { font-size: .9rem; color: var(--muted); margin-block-start: .25rem; }

.badge { display: inline-block; font-size: .8rem; font-weight: 600; padding: .1rem .5rem; border-radius: 999px; background: var(--code); }
.badge.ok { background: var(--ok-bg); color: var(--good); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

@media (max-width: 40rem) {
  .copy { flex-direction: column; }
  .top-inner { gap: .5rem; }
}

.theme { font: inherit; font-size: 1rem; line-height: 1; width: 2rem; height: 2rem; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); cursor: pointer; }